ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

root/jsr166/jsr166/src/test/tck/CompletableFutureTest.java

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.36 by jsr166, Sun Jun 1 23:12:45 2014 UTC vs.
Revision 1.181 by jsr166, Sat Nov 26 20:32:24 2016 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33	+	import java.util.concurrent.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
35		import java.util.concurrent.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 static 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	>	abstract static 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	<	// A non-commutative function that handles null values as well
386	<	public static int subtract(Integer x, Integer y) {
387	<	return ((x == null) ? 42 : x.intValue())
385	>	static 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.
400	>	static Integer inc(Integer x) {
401	>	return (x == null) ? null : x + 1;
402	>	}
403	>
404	>	static class NoopConsumer extends CheckedIntegerAction
405	>	implements Consumer<Integer>
406	>	{
407	>	NoopConsumer(ExecutionMode m) { super(m); }
408	>	public void accept(Integer x) {
409	>	invoked();
410	>	value = x;
411	>	}
412	>	}
413	>
414	>	static class IncFunction extends CheckedIntegerAction
415	>	implements Function<Integer,Integer>
416	>	{
417	>	IncFunction(ExecutionMode m) { super(m); }
418	>	public Integer apply(Integer x) {
419	>	invoked();
420	>	return value = inc(x);
421	>	}
422	>	}
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	<	static final Supplier<Integer> supplyOne =
433	<	() -> Integer.valueOf(1);
434	<	static final Function<Integer, Integer> inc =
435	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
331	<	static final BiFunction<Integer, Integer, Integer> subtract =
332	<	(Integer x, Integer y) -> subtract(x, y);
333	<	static final class IncAction implements Consumer<Integer> {
334	<	int value;
335	<	public void accept(Integer x) { value = x.intValue() + 1; }
336	<	}
337	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
338	<	volatile int invocationCount = 0;
339	<	int value;
340	<	// Check this action was invoked exactly once when result is computed.
341	<	public boolean ran() { return invocationCount == 1; }
432	>	static 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	<	volatile int invocationCount = 0;
443	<	int value;
444	<	// Check this action was invoked exactly once when result is computed.
445	<	public boolean ran() { return invocationCount == 1; }
441	>
442	>	static 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++;
448	<	return subtract(x, y);
447	>	invoked();
448	>	return value = subtract(x, y);
449		}
450		}
451	<	static final class Noop implements Runnable {
452	<	boolean ran;
453	<	public void run() { ran = true; }
451	>
452	>	static class Noop extends CheckedAction implements Runnable {
453	>	Noop(ExecutionMode m) { super(m); }
454	>	public void run() {
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	>	static class FailingSupplier extends CheckedAction
460	>	implements Supplier<Integer>
461	>	{
462	>	final CFException ex;
463	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
464	>	public Integer get() {
465	>	invoked();
466	>	throw ex;
467	>	}
468		}
469	<	static final class FailingConsumer implements Consumer<Integer> {
470	<	boolean ran;
471	<	public void accept(Integer x) { ran = true; throw new CFException(); }
469	>
470	>	static class FailingConsumer extends CheckedIntegerAction
471	>	implements Consumer<Integer>
472	>	{
473	>	final CFException ex;
474	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
475	>	public void accept(Integer x) {
476	>	invoked();
477	>	value = x;
478	>	throw ex;
479	>	}
480		}
481	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
482	<	boolean ran;
483	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
481	>
482	>	static class FailingBiConsumer extends CheckedIntegerAction
483	>	implements BiConsumer<Integer, Integer>
484	>	{
485	>	final CFException ex;
486	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
487	>	public void accept(Integer x, Integer y) {
488	>	invoked();
489	>	value = subtract(x, y);
490	>	throw ex;
491	>	}
492		}
493	<	static final class FailingFunction implements Function<Integer, Integer> {
494	<	boolean ran;
495	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
493	>
494	>	static class FailingFunction extends CheckedIntegerAction
495	>	implements Function<Integer, Integer>
496	>	{
497	>	final CFException ex;
498	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
499	>	public Integer apply(Integer x) {
500	>	invoked();
501	>	value = x;
502	>	throw ex;
503	>	}
504		}
505	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
506	<	boolean ran;
507	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
505	>
506	>	static class FailingBiFunction extends CheckedIntegerAction
507	>	implements BiFunction<Integer, Integer, Integer>
508	>	{
509	>	final CFException ex;
510	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
511	>	public Integer apply(Integer x, Integer y) {
512	>	invoked();
513	>	value = subtract(x, y);
514	>	throw ex;
515	>	}
516		}
517	<	static final class FailingNoop implements Runnable {
518	<	boolean ran;
519	<	public void run() { ran = true; throw new CFException(); }
517	>
518	>	static class FailingRunnable extends CheckedAction implements Runnable {
519	>	final CFException ex;
520	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
521	>	public void run() {
522	>	invoked();
523	>	throw ex;
524	>	}
525		}
526
527	<	static final class CompletableFutureInc
528	<	implements Function<Integer, CompletableFuture<Integer>> {
529	<	boolean ran;
527	>	static class CompletableFutureInc extends CheckedIntegerAction
528	>	implements Function<Integer, CompletableFuture<Integer>>
529	>	{
530	>	CompletableFutureInc(ExecutionMode m) { super(m); }
531		public CompletableFuture<Integer> apply(Integer x) {
532	<	ran = true;
532	>	invoked();
533	>	value = x;
534		CompletableFuture<Integer> f = new CompletableFuture<>();
535	<	f.complete(Integer.valueOf(x.intValue() + 1));
535	>	assertTrue(f.complete(inc(x)));
536		return f;
537		}
538		}
539
540	<	static final class FailingCompletableFutureFunction
541	<	implements Function<Integer, CompletableFuture<Integer>> {
542	<	boolean ran;
540	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
541	>	implements Function<Integer, CompletableFuture<Integer>>
542	>	{
543	>	final CFException ex;
544	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
545		public CompletableFuture<Integer> apply(Integer x) {
546	<	ran = true; throw new CFException();
546	>	invoked();
547	>	value = x;
548	>	throw ex;
549		}
550		}
551
552	<	// Used for explicit executor tests
553	<	static final class ThreadExecutor implements Executor {
554	<	AtomicInteger count = new AtomicInteger(0);
409	<
552	>	static class CountingRejectingExecutor implements Executor {
553	>	final RejectedExecutionException ex = new RejectedExecutionException();
554	>	final AtomicInteger count = new AtomicInteger(0);
555		public void execute(Runnable r) {
556		count.getAndIncrement();
557	<	new Thread(r).start();
557	>	throw ex;
558		}
559		}
560
561	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
562	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
563	<	}
561	>	// Used for explicit executor tests
562	>	static final class ThreadExecutor implements Executor {
563	>	final AtomicInteger count = new AtomicInteger(0);
564	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
565	>	static boolean startedCurrentThread() {
566	>	return Thread.currentThread().getThreadGroup() == tg;
567	>	}
568
569	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
570	<	boolean ran;
571	<	public Integer apply(Integer x, Throwable t) {
423	<	ran = true;
424	<	return (t == null) ? two : three;
569	>	public void execute(Runnable r) {
570	>	count.getAndIncrement();
571	>	new Thread(tg, r).start();
572		}
573		}
574
575	+	static final boolean defaultExecutorIsCommonPool
576	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
577	+
578		/**
579		* Permits the testing of parallel code for the 3 different
580	<	* execution modes without repeating all the testing code.
580	>	* execution modes without copy/pasting all the test methods.
581		*/
582		enum ExecutionMode {
583	<	DEFAULT {
583	>	SYNC {
584	>	public void checkExecutionMode() {
585	>	assertFalse(ThreadExecutor.startedCurrentThread());
586	>	assertNull(ForkJoinTask.getPool());
587	>	}
588	>	public CompletableFuture<Void> runAsync(Runnable a) {
589	>	throw new UnsupportedOperationException();
590	>	}
591	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
592	>	throw new UnsupportedOperationException();
593	>	}
594	>	public <T> CompletableFuture<Void> thenRun
595	>	(CompletableFuture<T> f, Runnable a) {
596	>	return f.thenRun(a);
597	>	}
598	>	public <T> CompletableFuture<Void> thenAccept
599	>	(CompletableFuture<T> f, Consumer<? super T> a) {
600	>	return f.thenAccept(a);
601	>	}
602	>	public <T,U> CompletableFuture<U> thenApply
603	>	(CompletableFuture<T> f, Function<? super T,U> a) {
604	>	return f.thenApply(a);
605	>	}
606	>	public <T,U> CompletableFuture<U> thenCompose
607	>	(CompletableFuture<T> f,
608	>	Function<? super T,? extends CompletionStage<U>> a) {
609	>	return f.thenCompose(a);
610	>	}
611	>	public <T,U> CompletableFuture<U> handle
612	>	(CompletableFuture<T> f,
613	>	BiFunction<? super T,Throwable,? extends U> a) {
614	>	return f.handle(a);
615	>	}
616	>	public <T> CompletableFuture<T> whenComplete
617	>	(CompletableFuture<T> f,
618	>	BiConsumer<? super T,? super Throwable> a) {
619	>	return f.whenComplete(a);
620	>	}
621		public <T,U> CompletableFuture<Void> runAfterBoth
622		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
623		return f.runAfterBoth(g, a);
#	Line 447 | Line 634 | public class CompletableFutureTest exten
634		BiFunction<? super T,? super U,? extends V> a) {
635		return f.thenCombine(g, a);
636		}
637	+	public <T> CompletableFuture<Void> runAfterEither
638	+	(CompletableFuture<T> f,
639	+	CompletionStage<?> g,
640	+	java.lang.Runnable a) {
641	+	return f.runAfterEither(g, a);
642	+	}
643	+	public <T> CompletableFuture<Void> acceptEither
644	+	(CompletableFuture<T> f,
645	+	CompletionStage<? extends T> g,
646	+	Consumer<? super T> a) {
647	+	return f.acceptEither(g, a);
648	+	}
649	+	public <T,U> CompletableFuture<U> applyToEither
650	+	(CompletableFuture<T> f,
651	+	CompletionStage<? extends T> g,
652	+	Function<? super T,U> a) {
653	+	return f.applyToEither(g, a);
654	+	}
655		},
656
657	<	//             /** Experimental way to do more testing */
658	<	//         REVERSE_DEFAULT {
659	<	//             public <T,U> CompletableFuture<Void> runAfterBoth
660	<	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
661	<	//                 return g.runAfterBoth(f, a);
662	<	//             }
663	<	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
664	<	//                 (CompletableFuture<T> f,
665	<	//                  CompletionStage<? extends U> g,
666	<	//                  BiConsumer<? super T,? super U> a) {
667	<	//                 return DEFAULT.thenAcceptBoth(f, g, a);
668	<	//             }
669	<	//         },
670	<
671	<	DEFAULT_ASYNC {
657	>	ASYNC {
658	>	public void checkExecutionMode() {
659	>	assertEquals(defaultExecutorIsCommonPool,
660	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
661	>	}
662	>	public CompletableFuture<Void> runAsync(Runnable a) {
663	>	return CompletableFuture.runAsync(a);
664	>	}
665	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
666	>	return CompletableFuture.supplyAsync(a);
667	>	}
668	>	public <T> CompletableFuture<Void> thenRun
669	>	(CompletableFuture<T> f, Runnable a) {
670	>	return f.thenRunAsync(a);
671	>	}
672	>	public <T> CompletableFuture<Void> thenAccept
673	>	(CompletableFuture<T> f, Consumer<? super T> a) {
674	>	return f.thenAcceptAsync(a);
675	>	}
676	>	public <T,U> CompletableFuture<U> thenApply
677	>	(CompletableFuture<T> f, Function<? super T,U> a) {
678	>	return f.thenApplyAsync(a);
679	>	}
680	>	public <T,U> CompletableFuture<U> thenCompose
681	>	(CompletableFuture<T> f,
682	>	Function<? super T,? extends CompletionStage<U>> a) {
683	>	return f.thenComposeAsync(a);
684	>	}
685	>	public <T,U> CompletableFuture<U> handle
686	>	(CompletableFuture<T> f,
687	>	BiFunction<? super T,Throwable,? extends U> a) {
688	>	return f.handleAsync(a);
689	>	}
690	>	public <T> CompletableFuture<T> whenComplete
691	>	(CompletableFuture<T> f,
692	>	BiConsumer<? super T,? super Throwable> a) {
693	>	return f.whenCompleteAsync(a);
694	>	}
695		public <T,U> CompletableFuture<Void> runAfterBoth
696		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
697		return f.runAfterBothAsync(g, a);
#	Line 480 | Line 708 | public class CompletableFutureTest exten
708		BiFunction<? super T,? super U,? extends V> a) {
709		return f.thenCombineAsync(g, a);
710		}
711	+	public <T> CompletableFuture<Void> runAfterEither
712	+	(CompletableFuture<T> f,
713	+	CompletionStage<?> g,
714	+	java.lang.Runnable a) {
715	+	return f.runAfterEitherAsync(g, a);
716	+	}
717	+	public <T> CompletableFuture<Void> acceptEither
718	+	(CompletableFuture<T> f,
719	+	CompletionStage<? extends T> g,
720	+	Consumer<? super T> a) {
721	+	return f.acceptEitherAsync(g, a);
722	+	}
723	+	public <T,U> CompletableFuture<U> applyToEither
724	+	(CompletableFuture<T> f,
725	+	CompletionStage<? extends T> g,
726	+	Function<? super T,U> a) {
727	+	return f.applyToEitherAsync(g, a);
728	+	}
729		},
730
485	–	//         REVERSE_DEFAULT_ASYNC {
486	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
487	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
488	–	//                 return f.runAfterBothAsync(g, a);
489	–	//             }
490	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
491	–	//                 (CompletableFuture<T> f,
492	–	//                  CompletionStage<? extends U> g,
493	–	//                  BiConsumer<? super T,? super U> a) {
494	–	//                 return DEFAULT_ASYNC.thenAcceptBoth(f, g, a);
495	–	//             }
496	–	//         },
497	–
731		EXECUTOR {
732	+	public void checkExecutionMode() {
733	+	assertTrue(ThreadExecutor.startedCurrentThread());
734	+	}
735	+	public CompletableFuture<Void> runAsync(Runnable a) {
736	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
737	+	}
738	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
739	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
740	+	}
741	+	public <T> CompletableFuture<Void> thenRun
742	+	(CompletableFuture<T> f, Runnable a) {
743	+	return f.thenRunAsync(a, new ThreadExecutor());
744	+	}
745	+	public <T> CompletableFuture<Void> thenAccept
746	+	(CompletableFuture<T> f, Consumer<? super T> a) {
747	+	return f.thenAcceptAsync(a, new ThreadExecutor());
748	+	}
749	+	public <T,U> CompletableFuture<U> thenApply
750	+	(CompletableFuture<T> f, Function<? super T,U> a) {
751	+	return f.thenApplyAsync(a, new ThreadExecutor());
752	+	}
753	+	public <T,U> CompletableFuture<U> thenCompose
754	+	(CompletableFuture<T> f,
755	+	Function<? super T,? extends CompletionStage<U>> a) {
756	+	return f.thenComposeAsync(a, new ThreadExecutor());
757	+	}
758	+	public <T,U> CompletableFuture<U> handle
759	+	(CompletableFuture<T> f,
760	+	BiFunction<? super T,Throwable,? extends U> a) {
761	+	return f.handleAsync(a, new ThreadExecutor());
762	+	}
763	+	public <T> CompletableFuture<T> whenComplete
764	+	(CompletableFuture<T> f,
765	+	BiConsumer<? super T,? super Throwable> a) {
766	+	return f.whenCompleteAsync(a, new ThreadExecutor());
767	+	}
768		public <T,U> CompletableFuture<Void> runAfterBoth
769		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
770		return f.runAfterBothAsync(g, a, new ThreadExecutor());
#	Line 512 | Line 781 | public class CompletableFutureTest exten
781		BiFunction<? super T,? super U,? extends V> a) {
782		return f.thenCombineAsync(g, a, new ThreadExecutor());
783		}
784	+	public <T> CompletableFuture<Void> runAfterEither
785	+	(CompletableFuture<T> f,
786	+	CompletionStage<?> g,
787	+	java.lang.Runnable a) {
788	+	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
789	+	}
790	+	public <T> CompletableFuture<Void> acceptEither
791	+	(CompletableFuture<T> f,
792	+	CompletionStage<? extends T> g,
793	+	Consumer<? super T> a) {
794	+	return f.acceptEitherAsync(g, a, new ThreadExecutor());
795	+	}
796	+	public <T,U> CompletableFuture<U> applyToEither
797	+	(CompletableFuture<T> f,
798	+	CompletionStage<? extends T> g,
799	+	Function<? super T,U> a) {
800	+	return f.applyToEitherAsync(g, a, new ThreadExecutor());
801	+	}
802		};
803
804	+	public abstract void checkExecutionMode();
805	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
806	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
807	+	public abstract <T> CompletableFuture<Void> thenRun
808	+	(CompletableFuture<T> f, Runnable a);
809	+	public abstract <T> CompletableFuture<Void> thenAccept
810	+	(CompletableFuture<T> f, Consumer<? super T> a);
811	+	public abstract <T,U> CompletableFuture<U> thenApply
812	+	(CompletableFuture<T> f, Function<? super T,U> a);
813	+	public abstract <T,U> CompletableFuture<U> thenCompose
814	+	(CompletableFuture<T> f,
815	+	Function<? super T,? extends CompletionStage<U>> a);
816	+	public abstract <T,U> CompletableFuture<U> handle
817	+	(CompletableFuture<T> f,
818	+	BiFunction<? super T,Throwable,? extends U> a);
819	+	public abstract <T> CompletableFuture<T> whenComplete
820	+	(CompletableFuture<T> f,
821	+	BiConsumer<? super T,? super Throwable> a);
822		public abstract <T,U> CompletableFuture<Void> runAfterBoth
823		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
824		public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
#	Line 524 | Line 829 | public class CompletableFutureTest exten
829		(CompletableFuture<T> f,
830		CompletionStage<? extends U> g,
831		BiFunction<? super T,? super U,? extends V> a);
832	+	public abstract <T> CompletableFuture<Void> runAfterEither
833	+	(CompletableFuture<T> f,
834	+	CompletionStage<?> g,
835	+	java.lang.Runnable a);
836	+	public abstract <T> CompletableFuture<Void> acceptEither
837	+	(CompletableFuture<T> f,
838	+	CompletionStage<? extends T> g,
839	+	Consumer<? super T> a);
840	+	public abstract <T,U> CompletableFuture<U> applyToEither
841	+	(CompletableFuture<T> f,
842	+	CompletionStage<? extends T> g,
843	+	Function<? super T,U> a);
844		}
845
846		/**
847	<	* exceptionally action completes with function value on source
848	<	* exception; otherwise with source value
847	>	* exceptionally action is not invoked when source completes
848	>	* normally, and source result is propagated
849		*/
850	<	public void testExceptionally() {
851	<	CompletableFuture<Integer> f = new CompletableFuture<>();
852	<	ExceptionToInteger r = new ExceptionToInteger();
853	<	CompletableFuture<Integer> g = f.exceptionally(r);
854	<	f.completeExceptionally(new CFException());
855	<	checkCompletedNormally(g, three);
850	>	public void testExceptionally_normalCompletion() {
851	>	for (boolean createIncomplete : new boolean[] { true, false })
852	>	for (Integer v1 : new Integer[] { 1, null })
853	>	{
854	>	final AtomicInteger a = new AtomicInteger(0);
855	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
856	>	if (!createIncomplete) assertTrue(f.complete(v1));
857	>	final CompletableFuture<Integer> g = f.exceptionally
858	>	((Throwable t) -> {
859	>	a.getAndIncrement();
860	>	threadFail("should not be called");
861	>	return null;            // unreached
862	>	});
863	>	if (createIncomplete) assertTrue(f.complete(v1));
864
865	<	f = new CompletableFuture<>();
866	<	r = new ExceptionToInteger();
867	<	g = f.exceptionally(r);
868	<	f.complete(one);
544	<	checkCompletedNormally(g, one);
545	<	}
865	>	checkCompletedNormally(g, v1);
866	>	checkCompletedNormally(f, v1);
867	>	assertEquals(0, a.get());
868	>	}}
869
870		/**
871	<	* handle action completes normally with function value on either
872	<	* normal or exceptional completion of source
871	>	* exceptionally action completes with function value on source
872	>	* exception
873		*/
874	<	public void testHandle() {
875	<	CompletableFuture<Integer> f, g;
876	<	IntegerHandler r;
877	<
878	<	f = new CompletableFuture<>();
879	<	f.completeExceptionally(new CFException());
880	<	g = f.handle(r = new IntegerHandler());
881	<	assertTrue(r.ran);
882	<	checkCompletedNormally(g, three);
883	<
884	<	f = new CompletableFuture<>();
885	<	g = f.handle(r = new IntegerHandler());
886	<	assertFalse(r.ran);
887	<	f.completeExceptionally(new CFException());
888	<	checkCompletedNormally(g, three);
889	<	assertTrue(r.ran);
567	<
568	<	f = new CompletableFuture<>();
569	<	f.complete(one);
570	<	g = f.handle(r = new IntegerHandler());
571	<	assertTrue(r.ran);
572	<	checkCompletedNormally(g, two);
874	>	public void testExceptionally_exceptionalCompletion() {
875	>	for (boolean createIncomplete : new boolean[] { true, false })
876	>	for (Integer v1 : new Integer[] { 1, null })
877	>	{
878	>	final AtomicInteger a = new AtomicInteger(0);
879	>	final CFException ex = new CFException();
880	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
881	>	if (!createIncomplete) f.completeExceptionally(ex);
882	>	final CompletableFuture<Integer> g = f.exceptionally
883	>	((Throwable t) -> {
884	>	ExecutionMode.SYNC.checkExecutionMode();
885	>	threadAssertSame(t, ex);
886	>	a.getAndIncrement();
887	>	return v1;
888	>	});
889	>	if (createIncomplete) f.completeExceptionally(ex);
890
891	<	f = new CompletableFuture<>();
892	<	g = f.handle(r = new IntegerHandler());
893	<	assertFalse(r.ran);
577	<	f.complete(one);
578	<	assertTrue(r.ran);
579	<	checkCompletedNormally(g, two);
580	<	}
891	>	checkCompletedNormally(g, v1);
892	>	assertEquals(1, a.get());
893	>	}}
894
895		/**
896	<	* runAsync completes after running Runnable
896	>	* If an "exceptionally action" throws an exception, it completes
897	>	* exceptionally with that exception
898		*/
899	<	public void testRunAsync() {
900	<	Noop r = new Noop();
901	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
902	<	assertNull(f.join());
903	<	assertTrue(r.ran);
904	<	checkCompletedNormally(f, null);
905	<	}
899	>	public void testExceptionally_exceptionalCompletionActionFailed() {
900	>	for (boolean createIncomplete : new boolean[] { true, false })
901	>	{
902	>	final AtomicInteger a = new AtomicInteger(0);
903	>	final CFException ex1 = new CFException();
904	>	final CFException ex2 = new CFException();
905	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
906	>	if (!createIncomplete) f.completeExceptionally(ex1);
907	>	final CompletableFuture<Integer> g = f.exceptionally
908	>	((Throwable t) -> {
909	>	ExecutionMode.SYNC.checkExecutionMode();
910	>	threadAssertSame(t, ex1);
911	>	a.getAndIncrement();
912	>	throw ex2;
913	>	});
914	>	if (createIncomplete) f.completeExceptionally(ex1);
915	>
916	>	checkCompletedWithWrappedException(g, ex2);
917	>	checkCompletedExceptionally(f, ex1);
918	>	assertEquals(1, a.get());
919	>	}}
920
921		/**
922	<	* runAsync with executor completes after running Runnable
922	>	* whenComplete action executes on normal completion, propagating
923	>	* source result.
924		*/
925	<	public void testRunAsync2() {
926	<	Noop r = new Noop();
927	<	ThreadExecutor exec = new ThreadExecutor();
928	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
929	<	assertNull(f.join());
930	<	assertTrue(r.ran);
931	<	checkCompletedNormally(f, null);
932	<	assertEquals(1, exec.count.get());
933	<	}
925	>	public void testWhenComplete_normalCompletion() {
926	>	for (ExecutionMode m : ExecutionMode.values())
927	>	for (boolean createIncomplete : new boolean[] { true, false })
928	>	for (Integer v1 : new Integer[] { 1, null })
929	>	{
930	>	final AtomicInteger a = new AtomicInteger(0);
931	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
932	>	if (!createIncomplete) assertTrue(f.complete(v1));
933	>	final CompletableFuture<Integer> g = m.whenComplete
934	>	(f,
935	>	(Integer result, Throwable t) -> {
936	>	m.checkExecutionMode();
937	>	threadAssertSame(result, v1);
938	>	threadAssertNull(t);
939	>	a.getAndIncrement();
940	>	});
941	>	if (createIncomplete) assertTrue(f.complete(v1));
942
943	<	/**
944	<	* failing runAsync completes exceptionally after running Runnable
945	<	*/
946	<	public void testRunAsync3() {
610	<	FailingNoop r = new FailingNoop();
611	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
612	<	checkCompletedWithWrappedCFException(f);
613	<	assertTrue(r.ran);
614	<	}
943	>	checkCompletedNormally(g, v1);
944	>	checkCompletedNormally(f, v1);
945	>	assertEquals(1, a.get());
946	>	}}
947
948		/**
949	<	* supplyAsync completes with result of supplier
949	>	* whenComplete action executes on exceptional completion, propagating
950	>	* source result.
951		*/
952	<	public void testSupplyAsync() {
953	<	CompletableFuture<Integer> f;
954	<	f = CompletableFuture.supplyAsync(supplyOne);
955	<	assertEquals(f.join(), one);
956	<	checkCompletedNormally(f, one);
957	<	}
952	>	public void testWhenComplete_exceptionalCompletion() {
953	>	for (ExecutionMode m : ExecutionMode.values())
954	>	for (boolean createIncomplete : new boolean[] { true, false })
955	>	{
956	>	final AtomicInteger a = new AtomicInteger(0);
957	>	final CFException ex = new CFException();
958	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
959	>	if (!createIncomplete) f.completeExceptionally(ex);
960	>	final CompletableFuture<Integer> g = m.whenComplete
961	>	(f,
962	>	(Integer result, Throwable t) -> {
963	>	m.checkExecutionMode();
964	>	threadAssertNull(result);
965	>	threadAssertSame(t, ex);
966	>	a.getAndIncrement();
967	>	});
968	>	if (createIncomplete) f.completeExceptionally(ex);
969	>
970	>	checkCompletedWithWrappedException(g, ex);
971	>	checkCompletedExceptionally(f, ex);
972	>	assertEquals(1, a.get());
973	>	}}
974
975		/**
976	<	* supplyAsync with executor completes with result of supplier
976	>	* whenComplete action executes on cancelled source, propagating
977	>	* CancellationException.
978		*/
979	<	public void testSupplyAsync2() {
980	<	CompletableFuture<Integer> f;
981	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
982	<	assertEquals(f.join(), one);
983	<	checkCompletedNormally(f, one);
984	<	}
979	>	public void testWhenComplete_sourceCancelled() {
980	>	for (ExecutionMode m : ExecutionMode.values())
981	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
982	>	for (boolean createIncomplete : new boolean[] { true, false })
983	>	{
984	>	final AtomicInteger a = new AtomicInteger(0);
985	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
986	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
987	>	final CompletableFuture<Integer> g = m.whenComplete
988	>	(f,
989	>	(Integer result, Throwable t) -> {
990	>	m.checkExecutionMode();
991	>	threadAssertNull(result);
992	>	threadAssertTrue(t instanceof CancellationException);
993	>	a.getAndIncrement();
994	>	});
995	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
996	>
997	>	checkCompletedWithWrappedCancellationException(g);
998	>	checkCancelled(f);
999	>	assertEquals(1, a.get());
1000	>	}}
1001
1002		/**
1003	<	* Failing supplyAsync completes exceptionally
1003	>	* If a whenComplete action throws an exception when triggered by
1004	>	* a normal completion, it completes exceptionally
1005		*/
1006	<	public void testSupplyAsync3() {
1007	<	FailingSupplier r = new FailingSupplier();
1008	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1009	<	checkCompletedWithWrappedCFException(f);
1010	<	assertTrue(r.ran);
1011	<	}
1006	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1007	>	for (boolean createIncomplete : new boolean[] { true, false })
1008	>	for (ExecutionMode m : ExecutionMode.values())
1009	>	for (Integer v1 : new Integer[] { 1, null })
1010	>	{
1011	>	final AtomicInteger a = new AtomicInteger(0);
1012	>	final CFException ex = new CFException();
1013	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1014	>	if (!createIncomplete) assertTrue(f.complete(v1));
1015	>	final CompletableFuture<Integer> g = m.whenComplete
1016	>	(f,
1017	>	(Integer result, Throwable t) -> {
1018	>	m.checkExecutionMode();
1019	>	threadAssertSame(result, v1);
1020	>	threadAssertNull(t);
1021	>	a.getAndIncrement();
1022	>	throw ex;
1023	>	});
1024	>	if (createIncomplete) assertTrue(f.complete(v1));
1025
1026	<	// seq completion methods
1026	>	checkCompletedWithWrappedException(g, ex);
1027	>	checkCompletedNormally(f, v1);
1028	>	assertEquals(1, a.get());
1029	>	}}
1030
1031		/**
1032	<	* thenRun result completes normally after normal completion of source
1032	>	* If a whenComplete action throws an exception when triggered by
1033	>	* a source completion that also throws an exception, the source
1034	>	* exception takes precedence (unlike handle)
1035		*/
1036	<	public void testThenRun() {
1037	<	CompletableFuture<Integer> f;
1038	<	CompletableFuture<Void> g;
1039	<	Noop r;
1040	<
1041	<	f = new CompletableFuture<>();
1042	<	g = f.thenRun(r = new Noop());
1043	<	f.complete(null);
1044	<	checkCompletedNormally(g, null);
1045	<	assertTrue(r.ran);
1046	<
1047	<	f = new CompletableFuture<>();
1048	<	f.complete(null);
1049	<	g = f.thenRun(r = new Noop());
1050	<	checkCompletedNormally(g, null);
1051	<	assertTrue(r.ran);
1052	<	}
1036	>	public void testWhenComplete_sourceFailedActionFailed() {
1037	>	for (boolean createIncomplete : new boolean[] { true, false })
1038	>	for (ExecutionMode m : ExecutionMode.values())
1039	>	{
1040	>	final AtomicInteger a = new AtomicInteger(0);
1041	>	final CFException ex1 = new CFException();
1042	>	final CFException ex2 = new CFException();
1043	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1044	>
1045	>	if (!createIncomplete) f.completeExceptionally(ex1);
1046	>	final CompletableFuture<Integer> g = m.whenComplete
1047	>	(f,
1048	>	(Integer result, Throwable t) -> {
1049	>	m.checkExecutionMode();
1050	>	threadAssertSame(t, ex1);
1051	>	threadAssertNull(result);
1052	>	a.getAndIncrement();
1053	>	throw ex2;
1054	>	});
1055	>	if (createIncomplete) f.completeExceptionally(ex1);
1056	>
1057	>	checkCompletedWithWrappedException(g, ex1);
1058	>	checkCompletedExceptionally(f, ex1);
1059	>	if (testImplementationDetails) {
1060	>	assertEquals(1, ex1.getSuppressed().length);
1061	>	assertSame(ex2, ex1.getSuppressed()[0]);
1062	>	}
1063	>	assertEquals(1, a.get());
1064	>	}}
1065
1066		/**
1067	<	* thenRun result completes exceptionally after exceptional
1067	>	* handle action completes normally with function value on normal
1068		* completion of source
1069		*/
1070	<	public void testThenRun2() {
1071	<	CompletableFuture<Integer> f;
1072	<	CompletableFuture<Void> g;
1073	<	Noop r;
1074	<
1075	<	f = new CompletableFuture<>();
1076	<	g = f.thenRun(r = new Noop());
1077	<	f.completeExceptionally(new CFException());
1078	<	checkCompletedWithWrappedCFException(g);
1079	<	assertFalse(r.ran);
1070	>	public void testHandle_normalCompletion() {
1071	>	for (ExecutionMode m : ExecutionMode.values())
1072	>	for (boolean createIncomplete : new boolean[] { true, false })
1073	>	for (Integer v1 : new Integer[] { 1, null })
1074	>	{
1075	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1076	>	final AtomicInteger a = new AtomicInteger(0);
1077	>	if (!createIncomplete) assertTrue(f.complete(v1));
1078	>	final CompletableFuture<Integer> g = m.handle
1079	>	(f,
1080	>	(Integer result, Throwable t) -> {
1081	>	m.checkExecutionMode();
1082	>	threadAssertSame(result, v1);
1083	>	threadAssertNull(t);
1084	>	a.getAndIncrement();
1085	>	return inc(v1);
1086	>	});
1087	>	if (createIncomplete) assertTrue(f.complete(v1));
1088
1089	<	f = new CompletableFuture<>();
1090	<	f.completeExceptionally(new CFException());
1091	<	g = f.thenRun(r = new Noop());
1092	<	checkCompletedWithWrappedCFException(g);
688	<	assertFalse(r.ran);
689	<	}
1089	>	checkCompletedNormally(g, inc(v1));
1090	>	checkCompletedNormally(f, v1);
1091	>	assertEquals(1, a.get());
1092	>	}}
1093
1094		/**
1095	<	* thenRun result completes exceptionally if action does
1095	>	* handle action completes normally with function value on
1096	>	* exceptional completion of source
1097		*/
1098	<	public void testThenRun3() {
1099	<	CompletableFuture<Integer> f;
1100	<	CompletableFuture<Void> g;
1101	<	FailingNoop r;
1102	<
1103	<	f = new CompletableFuture<>();
1104	<	g = f.thenRun(r = new FailingNoop());
1105	<	f.complete(null);
1106	<	checkCompletedWithWrappedCFException(g);
1098	>	public void testHandle_exceptionalCompletion() {
1099	>	for (ExecutionMode m : ExecutionMode.values())
1100	>	for (boolean createIncomplete : new boolean[] { true, false })
1101	>	for (Integer v1 : new Integer[] { 1, null })
1102	>	{
1103	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1104	>	final AtomicInteger a = new AtomicInteger(0);
1105	>	final CFException ex = new CFException();
1106	>	if (!createIncomplete) f.completeExceptionally(ex);
1107	>	final CompletableFuture<Integer> g = m.handle
1108	>	(f,
1109	>	(Integer result, Throwable t) -> {
1110	>	m.checkExecutionMode();
1111	>	threadAssertNull(result);
1112	>	threadAssertSame(t, ex);
1113	>	a.getAndIncrement();
1114	>	return v1;
1115	>	});
1116	>	if (createIncomplete) f.completeExceptionally(ex);
1117
1118	<	f = new CompletableFuture<>();
1119	<	f.complete(null);
1120	<	g = f.thenRun(r = new FailingNoop());
1121	<	checkCompletedWithWrappedCFException(g);
708	<	}
1118	>	checkCompletedNormally(g, v1);
1119	>	checkCompletedExceptionally(f, ex);
1120	>	assertEquals(1, a.get());
1121	>	}}
1122
1123		/**
1124	<	* thenRun result completes exceptionally if source cancelled
1124	>	* handle action completes normally with function value on
1125	>	* cancelled source
1126		*/
1127	<	public void testThenRun4() {
1128	<	CompletableFuture<Integer> f;
1129	<	CompletableFuture<Void> g;
1130	<	Noop r;
1131	<
1132	<	f = new CompletableFuture<>();
1133	<	g = f.thenRun(r = new Noop());
1134	<	assertTrue(f.cancel(true));
1135	<	checkCompletedWithWrappedCancellationException(g);
1127	>	public void testHandle_sourceCancelled() {
1128	>	for (ExecutionMode m : ExecutionMode.values())
1129	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1130	>	for (boolean createIncomplete : new boolean[] { true, false })
1131	>	for (Integer v1 : new Integer[] { 1, null })
1132	>	{
1133	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1134	>	final AtomicInteger a = new AtomicInteger(0);
1135	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1136	>	final CompletableFuture<Integer> g = m.handle
1137	>	(f,
1138	>	(Integer result, Throwable t) -> {
1139	>	m.checkExecutionMode();
1140	>	threadAssertNull(result);
1141	>	threadAssertTrue(t instanceof CancellationException);
1142	>	a.getAndIncrement();
1143	>	return v1;
1144	>	});
1145	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1146
1147	<	f = new CompletableFuture<>();
1148	<	assertTrue(f.cancel(true));
1149	<	g = f.thenRun(r = new Noop());
1150	<	checkCompletedWithWrappedCancellationException(g);
727	<	}
1147	>	checkCompletedNormally(g, v1);
1148	>	checkCancelled(f);
1149	>	assertEquals(1, a.get());
1150	>	}}
1151
1152		/**
1153	<	* thenApply result completes normally after normal completion of source
1153	>	* If a "handle action" throws an exception when triggered by
1154	>	* a normal completion, it completes exceptionally
1155		*/
1156	<	public void testThenApply() {
1157	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1158	<	CompletableFuture<Integer> g = f.thenApply(inc);
1159	<	f.complete(one);
1160	<	checkCompletedNormally(g, two);
1161	<	}
1156	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1157	>	for (ExecutionMode m : ExecutionMode.values())
1158	>	for (boolean createIncomplete : new boolean[] { true, false })
1159	>	for (Integer v1 : new Integer[] { 1, null })
1160	>	{
1161	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1162	>	final AtomicInteger a = new AtomicInteger(0);
1163	>	final CFException ex = new CFException();
1164	>	if (!createIncomplete) assertTrue(f.complete(v1));
1165	>	final CompletableFuture<Integer> g = m.handle
1166	>	(f,
1167	>	(Integer result, Throwable t) -> {
1168	>	m.checkExecutionMode();
1169	>	threadAssertSame(result, v1);
1170	>	threadAssertNull(t);
1171	>	a.getAndIncrement();
1172	>	throw ex;
1173	>	});
1174	>	if (createIncomplete) assertTrue(f.complete(v1));
1175
1176	<	/**
1177	<	* thenApply result completes exceptionally after exceptional
1178	<	* completion of source
1179	<	*/
743	<	public void testThenApply2() {
744	<	CompletableFuture<Integer> f = new CompletableFuture<>();
745	<	CompletableFuture<Integer> g = f.thenApply(inc);
746	<	f.completeExceptionally(new CFException());
747	<	checkCompletedWithWrappedCFException(g);
748	<	}
1176	>	checkCompletedWithWrappedException(g, ex);
1177	>	checkCompletedNormally(f, v1);
1178	>	assertEquals(1, a.get());
1179	>	}}
1180
1181		/**
1182	<	* thenApply result completes exceptionally if action does
1183	<	*/
1184	<	public void testThenApply3() {
1185	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1186	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1187	<	f.complete(one);
1188	<	checkCompletedWithWrappedCFException(g);
1189	<	}
1182	>	* If a "handle action" throws an exception when triggered by
1183	>	* a source completion that also throws an exception, the action
1184	>	* exception takes precedence (unlike whenComplete)
1185	>	*/
1186	>	public void testHandle_sourceFailedActionFailed() {
1187	>	for (boolean createIncomplete : new boolean[] { true, false })
1188	>	for (ExecutionMode m : ExecutionMode.values())
1189	>	{
1190	>	final AtomicInteger a = new AtomicInteger(0);
1191	>	final CFException ex1 = new CFException();
1192	>	final CFException ex2 = new CFException();
1193	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1194	>
1195	>	if (!createIncomplete) f.completeExceptionally(ex1);
1196	>	final CompletableFuture<Integer> g = m.handle
1197	>	(f,
1198	>	(Integer result, Throwable t) -> {
1199	>	m.checkExecutionMode();
1200	>	threadAssertNull(result);
1201	>	threadAssertSame(ex1, t);
1202	>	a.getAndIncrement();
1203	>	throw ex2;
1204	>	});
1205	>	if (createIncomplete) f.completeExceptionally(ex1);
1206	>
1207	>	checkCompletedWithWrappedException(g, ex2);
1208	>	checkCompletedExceptionally(f, ex1);
1209	>	assertEquals(1, a.get());
1210	>	}}
1211
1212		/**
1213	<	* thenApply result completes exceptionally if source cancelled
1213	>	* runAsync completes after running Runnable
1214		*/
1215	<	public void testThenApply4() {
1216	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1217	<	CompletableFuture<Integer> g = f.thenApply(inc);
1218	<	assertTrue(f.cancel(true));
1219	<	checkCompletedWithWrappedCancellationException(g);
1220	<	}
1215	>	public void testRunAsync_normalCompletion() {
1216	>	ExecutionMode[] executionModes = {
1217	>	ExecutionMode.ASYNC,
1218	>	ExecutionMode.EXECUTOR,
1219	>	};
1220	>	for (ExecutionMode m : executionModes)
1221	>	{
1222	>	final Noop r = new Noop(m);
1223	>	final CompletableFuture<Void> f = m.runAsync(r);
1224	>	assertNull(f.join());
1225	>	checkCompletedNormally(f, null);
1226	>	r.assertInvoked();
1227	>	}}
1228
1229		/**
1230	<	* thenAccept result completes normally after normal completion of source
1230	>	* failing runAsync completes exceptionally after running Runnable
1231		*/
1232	<	public void testThenAccept() {
1233	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1234	<	IncAction r = new IncAction();
1235	<	CompletableFuture<Void> g = f.thenAccept(r);
1236	<	f.complete(one);
1237	<	checkCompletedNormally(g, null);
1238	<	assertEquals(r.value, 2);
1239	<	}
1232	>	public void testRunAsync_exceptionalCompletion() {
1233	>	ExecutionMode[] executionModes = {
1234	>	ExecutionMode.ASYNC,
1235	>	ExecutionMode.EXECUTOR,
1236	>	};
1237	>	for (ExecutionMode m : executionModes)
1238	>	{
1239	>	final FailingRunnable r = new FailingRunnable(m);
1240	>	final CompletableFuture<Void> f = m.runAsync(r);
1241	>	checkCompletedWithWrappedException(f, r.ex);
1242	>	r.assertInvoked();
1243	>	}}
1244
1245	<	/**
1246	<	* thenAccept result completes exceptionally after exceptional
1247	<	* completion of source
1248	<	*/
1249	<	public void testThenAccept2() {
1250	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1251	<	IncAction r = new IncAction();
1252	<	CompletableFuture<Void> g = f.thenAccept(r);
1253	<	f.completeExceptionally(new CFException());
1254	<	checkCompletedWithWrappedCFException(g);
1245	>	public void testRunAsync_rejectingExecutor() {
1246	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1247	>	try {
1248	>	CompletableFuture.runAsync(() -> {}, e);
1249	>	shouldThrow();
1250	>	} catch (Throwable t) {
1251	>	assertSame(e.ex, t);
1252	>	}
1253	>
1254	>	assertEquals(1, e.count.get());
1255		}
1256
1257		/**
1258	<	* thenAccept result completes exceptionally if action does
1258	>	* supplyAsync completes with result of supplier
1259		*/
1260	<	public void testThenAccept3() {
1261	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1262	<	FailingConsumer r = new FailingConsumer();
1263	<	CompletableFuture<Void> g = f.thenAccept(r);
1264	<	f.complete(one);
1265	<	checkCompletedWithWrappedCFException(g);
1266	<	assertTrue(r.ran);
1267	<	}
1260	>	public void testSupplyAsync_normalCompletion() {
1261	>	ExecutionMode[] executionModes = {
1262	>	ExecutionMode.ASYNC,
1263	>	ExecutionMode.EXECUTOR,
1264	>	};
1265	>	for (ExecutionMode m : executionModes)
1266	>	for (Integer v1 : new Integer[] { 1, null })
1267	>	{
1268	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1269	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1270	>	assertSame(v1, f.join());
1271	>	checkCompletedNormally(f, v1);
1272	>	r.assertInvoked();
1273	>	}}
1274
1275		/**
1276	<	* thenAccept result completes exceptionally if source cancelled
1276	>	* Failing supplyAsync completes exceptionally
1277		*/
1278	<	public void testThenAccept4() {
1279	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1280	<	IncAction r = new IncAction();
1281	<	CompletableFuture<Void> g = f.thenAccept(r);
1282	<	assertTrue(f.cancel(true));
1283	<	checkCompletedWithWrappedCancellationException(g);
1278	>	public void testSupplyAsync_exceptionalCompletion() {
1279	>	ExecutionMode[] executionModes = {
1280	>	ExecutionMode.ASYNC,
1281	>	ExecutionMode.EXECUTOR,
1282	>	};
1283	>	for (ExecutionMode m : executionModes)
1284	>	{
1285	>	FailingSupplier r = new FailingSupplier(m);
1286	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1287	>	checkCompletedWithWrappedException(f, r.ex);
1288	>	r.assertInvoked();
1289	>	}}
1290	>
1291	>	public void testSupplyAsync_rejectingExecutor() {
1292	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1293	>	try {
1294	>	CompletableFuture.supplyAsync(() -> null, e);
1295	>	shouldThrow();
1296	>	} catch (Throwable t) {
1297	>	assertSame(e.ex, t);
1298	>	}
1299	>
1300	>	assertEquals(1, e.count.get());
1301		}
1302
1303	+	// seq completion methods
1304	+
1305		/**
1306	<	* thenCombine result completes normally after normal completion
819	<	* of sources
1306	>	* thenRun result completes normally after normal completion of source
1307		*/
1308	<	public void testThenCombine_normalCompletion1() {
1308	>	public void testThenRun_normalCompletion() {
1309		for (ExecutionMode m : ExecutionMode.values())
1310		for (Integer v1 : new Integer[] { 1, null })
1311	<	for (Integer v2 : new Integer[] { 2, null }) {
825	<
1311	>	{
1312		final CompletableFuture<Integer> f = new CompletableFuture<>();
1313	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1314	<	final SubtractFunction r = new SubtractFunction();
829	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1313	>	final Noop[] rs = new Noop[6];
1314	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1315
1316	<	f.complete(v1);
1317	<	checkIncomplete(h);
1318	<	assertFalse(r.ran());
1319	<	g.complete(v2);
1320	<
1321	<	checkCompletedNormally(h, subtract(v1, v2));
1316	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1317	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1318	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1319	>	checkIncomplete(h0);
1320	>	checkIncomplete(h1);
1321	>	checkIncomplete(h2);
1322	>	assertTrue(f.complete(v1));
1323	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1324	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1325	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1326	>
1327	>	checkCompletedNormally(h0, null);
1328	>	checkCompletedNormally(h1, null);
1329	>	checkCompletedNormally(h2, null);
1330	>	checkCompletedNormally(h3, null);
1331	>	checkCompletedNormally(h4, null);
1332	>	checkCompletedNormally(h5, null);
1333		checkCompletedNormally(f, v1);
1334	<	checkCompletedNormally(g, v2);
1335	<	}
840	<	}
1334	>	for (Noop r : rs) r.assertInvoked();
1335	>	}}
1336
1337	<	public void testThenCombine_normalCompletion2() {
1337	>	/**
1338	>	* thenRun result completes exceptionally after exceptional
1339	>	* completion of source
1340	>	*/
1341	>	public void testThenRun_exceptionalCompletion() {
1342		for (ExecutionMode m : ExecutionMode.values())
1343	<	for (Integer v1 : new Integer[] { 1, null })
1344	<	for (Integer v2 : new Integer[] { 2, null }) {
846	<
1343	>	{
1344	>	final CFException ex = new CFException();
1345		final CompletableFuture<Integer> f = new CompletableFuture<>();
1346	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1347	<	final SubtractFunction r = new SubtractFunction();
850	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1346	>	final Noop[] rs = new Noop[6];
1347	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1348
1349	<	g.complete(v2);
1350	<	checkIncomplete(h);
1351	<	assertFalse(r.ran());
1352	<	f.complete(v1);
1353	<
1354	<	checkCompletedNormally(h, subtract(v1, v2));
1355	<	checkCompletedNormally(f, v1);
1356	<	checkCompletedNormally(g, v2);
1357	<	}
1358	<	}
1349	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1350	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1351	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1352	>	checkIncomplete(h0);
1353	>	checkIncomplete(h1);
1354	>	checkIncomplete(h2);
1355	>	assertTrue(f.completeExceptionally(ex));
1356	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1357	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1358	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1359	>
1360	>	checkCompletedWithWrappedException(h0, ex);
1361	>	checkCompletedWithWrappedException(h1, ex);
1362	>	checkCompletedWithWrappedException(h2, ex);
1363	>	checkCompletedWithWrappedException(h3, ex);
1364	>	checkCompletedWithWrappedException(h4, ex);
1365	>	checkCompletedWithWrappedException(h5, ex);
1366	>	checkCompletedExceptionally(f, ex);
1367	>	for (Noop r : rs) r.assertNotInvoked();
1368	>	}}
1369
1370	<	public void testThenCombine_normalCompletion3() {
1370	>	/**
1371	>	* thenRun result completes exceptionally if source cancelled
1372	>	*/
1373	>	public void testThenRun_sourceCancelled() {
1374		for (ExecutionMode m : ExecutionMode.values())
1375	<	for (Integer v1 : new Integer[] { 1, null })
1376	<	for (Integer v2 : new Integer[] { 2, null }) {
867	<
1375	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1376	>	{
1377		final CompletableFuture<Integer> f = new CompletableFuture<>();
1378	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1379	<	final SubtractFunction r = new SubtractFunction();
871	<
872	<	g.complete(v2);
873	<	f.complete(v1);
874	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1378	>	final Noop[] rs = new Noop[6];
1379	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1380
1381	<	checkCompletedNormally(h, subtract(v1, v2));
1382	<	checkCompletedNormally(f, v1);
1383	<	checkCompletedNormally(g, v2);
1384	<	}
1385	<	}
1381	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1382	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1383	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1384	>	checkIncomplete(h0);
1385	>	checkIncomplete(h1);
1386	>	checkIncomplete(h2);
1387	>	assertTrue(f.cancel(mayInterruptIfRunning));
1388	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1389	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1390	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1391	>
1392	>	checkCompletedWithWrappedCancellationException(h0);
1393	>	checkCompletedWithWrappedCancellationException(h1);
1394	>	checkCompletedWithWrappedCancellationException(h2);
1395	>	checkCompletedWithWrappedCancellationException(h3);
1396	>	checkCompletedWithWrappedCancellationException(h4);
1397	>	checkCompletedWithWrappedCancellationException(h5);
1398	>	checkCancelled(f);
1399	>	for (Noop r : rs) r.assertNotInvoked();
1400	>	}}
1401
1402	<	public void testThenCombine_normalCompletion4() {
1402	>	/**
1403	>	* thenRun result completes exceptionally if action does
1404	>	*/
1405	>	public void testThenRun_actionFailed() {
1406		for (ExecutionMode m : ExecutionMode.values())
1407		for (Integer v1 : new Integer[] { 1, null })
1408	<	for (Integer v2 : new Integer[] { 2, null }) {
886	<
1408	>	{
1409		final CompletableFuture<Integer> f = new CompletableFuture<>();
1410	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1411	<	final SubtractFunction r = new SubtractFunction();
1410	>	final FailingRunnable[] rs = new FailingRunnable[6];
1411	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1412
1413	<	f.complete(v1);
1414	<	g.complete(v2);
1415	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1416	<
1417	<	checkCompletedNormally(h, subtract(v1, v2));
1413	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1414	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1415	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1416	>	assertTrue(f.complete(v1));
1417	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1418	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1419	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1420	>
1421	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1422	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1423	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1424	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1425	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1426	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1427		checkCompletedNormally(f, v1);
1428	<	checkCompletedNormally(g, v2);
898	<	}
899	<	}
1428	>	}}
1429
1430		/**
1431	<	* thenCombine result completes exceptionally after exceptional
903	<	* completion of either source
1431	>	* thenApply result completes normally after normal completion of source
1432		*/
1433	<	public void testThenCombine_exceptionalCompletion1() {
1433	>	public void testThenApply_normalCompletion() {
1434		for (ExecutionMode m : ExecutionMode.values())
1435	<	for (Integer v1 : new Integer[] { 1, null }) {
1436	<
909	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
910	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
911	<	final SubtractFunction r = new SubtractFunction();
912	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
913	<	final CFException ex = new CFException();
914	<
915	<	f.completeExceptionally(ex);
916	<	checkIncomplete(h);
917	<	g.complete(v1);
918	<
919	<	checkCompletedWithWrappedCFException(h, ex);
920	<	checkCompletedWithWrappedCFException(f, ex);
921	<	assertFalse(r.ran());
922	<	checkCompletedNormally(g, v1);
923	<	}
924	<	}
925	<
926	<	public void testThenCombine_exceptionalCompletion2() {
927	<	for (ExecutionMode m : ExecutionMode.values())
928	<	for (Integer v1 : new Integer[] { 1, null }) {
929	<
1435	>	for (Integer v1 : new Integer[] { 1, null })
1436	>	{
1437		final CompletableFuture<Integer> f = new CompletableFuture<>();
1438	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1439	<	final SubtractFunction r = new SubtractFunction();
933	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, subtract);
934	<	final CFException ex = new CFException();
1438	>	final IncFunction[] rs = new IncFunction[4];
1439	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1440
1441	<	g.completeExceptionally(ex);
1442	<	checkIncomplete(h);
1443	<	f.complete(v1);
1444	<
1445	<	checkCompletedWithWrappedCFException(h, ex);
1446	<	checkCompletedWithWrappedCFException(g, ex);
1447	<	assertFalse(r.ran());
1441	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1442	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1443	>	checkIncomplete(h0);
1444	>	checkIncomplete(h1);
1445	>	assertTrue(f.complete(v1));
1446	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1447	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1448	>
1449	>	checkCompletedNormally(h0, inc(v1));
1450	>	checkCompletedNormally(h1, inc(v1));
1451	>	checkCompletedNormally(h2, inc(v1));
1452	>	checkCompletedNormally(h3, inc(v1));
1453		checkCompletedNormally(f, v1);
1454	<	}
1455	<	}
1454	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1455	>	}}
1456
1457	<	public void testThenCombine_exceptionalCompletion3() {
1457	>	/**
1458	>	* thenApply result completes exceptionally after exceptional
1459	>	* completion of source
1460	>	*/
1461	>	public void testThenApply_exceptionalCompletion() {
1462		for (ExecutionMode m : ExecutionMode.values())
1463	<	for (Integer v1 : new Integer[] { 1, null }) {
950	<
951	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
952	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
953	<	final SubtractFunction r = new SubtractFunction();
1463	>	{
1464		final CFException ex = new CFException();
1465	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1466	+	final IncFunction[] rs = new IncFunction[4];
1467	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1468
1469	<	g.completeExceptionally(ex);
1470	<	f.complete(v1);
1471	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1472	<
1473	<	checkCompletedWithWrappedCFException(h, ex);
1474	<	checkCompletedWithWrappedCFException(g, ex);
1475	<	assertFalse(r.ran());
1476	<	checkCompletedNormally(f, v1);
1477	<	}
1478	<	}
1469	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1470	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1471	>	assertTrue(f.completeExceptionally(ex));
1472	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1473	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1474	>
1475	>	checkCompletedWithWrappedException(h0, ex);
1476	>	checkCompletedWithWrappedException(h1, ex);
1477	>	checkCompletedWithWrappedException(h2, ex);
1478	>	checkCompletedWithWrappedException(h3, ex);
1479	>	checkCompletedExceptionally(f, ex);
1480	>	for (IncFunction r : rs) r.assertNotInvoked();
1481	>	}}
1482
1483	<	public void testThenCombine_exceptionalCompletion4() {
1483	>	/**
1484	>	* thenApply result completes exceptionally if source cancelled
1485	>	*/
1486	>	public void testThenApply_sourceCancelled() {
1487		for (ExecutionMode m : ExecutionMode.values())
1488	<	for (Integer v1 : new Integer[] { 1, null }) {
1489	<
1488	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1489	>	{
1490		final CompletableFuture<Integer> f = new CompletableFuture<>();
1491	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1492	<	final SubtractFunction r = new SubtractFunction();
974	<	final CFException ex = new CFException();
1491	>	final IncFunction[] rs = new IncFunction[4];
1492	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1493
1494	<	f.completeExceptionally(ex);
1495	<	g.complete(v1);
1496	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, subtract);
1494	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1495	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1496	>	assertTrue(f.cancel(mayInterruptIfRunning));
1497	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1498	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1499
1500	<	checkCompletedWithWrappedCFException(h, ex);
1501	<	checkCompletedWithWrappedCFException(f, ex);
1502	<	assertFalse(r.ran());
1503	<	checkCompletedNormally(g, v1);
1504	<	}
1505	<	}
1500	>	checkCompletedWithWrappedCancellationException(h0);
1501	>	checkCompletedWithWrappedCancellationException(h1);
1502	>	checkCompletedWithWrappedCancellationException(h2);
1503	>	checkCompletedWithWrappedCancellationException(h3);
1504	>	checkCancelled(f);
1505	>	for (IncFunction r : rs) r.assertNotInvoked();
1506	>	}}
1507
1508		/**
1509	<	* thenCombine result completes exceptionally if action does
1509	>	* thenApply result completes exceptionally if action does
1510		*/
1511	<	public void testThenCombine_actionFailed1() {
1511	>	public void testThenApply_actionFailed() {
1512		for (ExecutionMode m : ExecutionMode.values())
1513		for (Integer v1 : new Integer[] { 1, null })
1514	<	for (Integer v2 : new Integer[] { 2, null }) {
994	<
1514	>	{
1515		final CompletableFuture<Integer> f = new CompletableFuture<>();
1516	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1517	<	final FailingBiFunction r = new FailingBiFunction();
998	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
999	<
1000	<	f.complete(v1);
1001	<	checkIncomplete(h);
1002	<	g.complete(v2);
1516	>	final FailingFunction[] rs = new FailingFunction[4];
1517	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1518
1519	<	checkCompletedWithWrappedCFException(h);
1519	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1520	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1521	>	assertTrue(f.complete(v1));
1522	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1523	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1524	>
1525	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1526	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1527	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1528	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1529		checkCompletedNormally(f, v1);
1530	<	checkCompletedNormally(g, v2);
1007	<	}
1008	<	}
1530	>	}}
1531
1532	<	public void testThenCombine_actionFailed2() {
1532	>	/**
1533	>	* thenAccept result completes normally after normal completion of source
1534	>	*/
1535	>	public void testThenAccept_normalCompletion() {
1536		for (ExecutionMode m : ExecutionMode.values())
1537		for (Integer v1 : new Integer[] { 1, null })
1538	<	for (Integer v2 : new Integer[] { 2, null }) {
1014	<
1538	>	{
1539		final CompletableFuture<Integer> f = new CompletableFuture<>();
1540	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1541	<	final FailingBiFunction r = new FailingBiFunction();
1018	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1540	>	final NoopConsumer[] rs = new NoopConsumer[4];
1541	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1542
1543	<	g.complete(v2);
1544	<	checkIncomplete(h);
1545	<	f.complete(v1);
1546	<
1547	<	checkCompletedWithWrappedCFException(h);
1543	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1544	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1545	>	checkIncomplete(h0);
1546	>	checkIncomplete(h1);
1547	>	assertTrue(f.complete(v1));
1548	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1549	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1550	>
1551	>	checkCompletedNormally(h0, null);
1552	>	checkCompletedNormally(h1, null);
1553	>	checkCompletedNormally(h2, null);
1554	>	checkCompletedNormally(h3, null);
1555		checkCompletedNormally(f, v1);
1556	<	checkCompletedNormally(g, v2);
1557	<	}
1028	<	}
1556	>	for (NoopConsumer r : rs) r.assertValue(v1);
1557	>	}}
1558
1559		/**
1560	<	* thenCombine result completes exceptionally if either source cancelled
1560	>	* thenAccept result completes exceptionally after exceptional
1561	>	* completion of source
1562		*/
1563	<	public void testThenCombine_sourceCancelled1() {
1563	>	public void testThenAccept_exceptionalCompletion() {
1564		for (ExecutionMode m : ExecutionMode.values())
1565	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1566	<	for (Integer v1 : new Integer[] { 1, null }) {
1037	<
1565	>	{
1566	>	final CFException ex = new CFException();
1567		final CompletableFuture<Integer> f = new CompletableFuture<>();
1568	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1569	<	final SubtractFunction r = new SubtractFunction();
1041	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1568	>	final NoopConsumer[] rs = new NoopConsumer[4];
1569	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1570
1571	<	assertTrue(f.cancel(mayInterruptIfRunning));
1572	<	checkIncomplete(h);
1573	<	g.complete(v1);
1574	<
1575	<	checkCompletedWithWrappedCancellationException(h);
1576	<	checkCancelled(f);
1577	<	assertFalse(r.ran());
1578	<	checkCompletedNormally(g, v1);
1579	<	}
1580	<	}
1571	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1572	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1573	>	assertTrue(f.completeExceptionally(ex));
1574	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1575	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1576	>
1577	>	checkCompletedWithWrappedException(h0, ex);
1578	>	checkCompletedWithWrappedException(h1, ex);
1579	>	checkCompletedWithWrappedException(h2, ex);
1580	>	checkCompletedWithWrappedException(h3, ex);
1581	>	checkCompletedExceptionally(f, ex);
1582	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1583	>	}}
1584
1585	<	public void testThenCombine_sourceCancelled2() {
1585	>	/**
1586	>	* thenAccept result completes exceptionally if source cancelled
1587	>	*/
1588	>	public void testThenAccept_sourceCancelled() {
1589		for (ExecutionMode m : ExecutionMode.values())
1590		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1591	<	for (Integer v1 : new Integer[] { 1, null }) {
1058	<
1591	>	{
1592		final CompletableFuture<Integer> f = new CompletableFuture<>();
1593	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1594	<	final SubtractFunction r = new SubtractFunction();
1062	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1593	>	final NoopConsumer[] rs = new NoopConsumer[4];
1594	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1595
1596	<	assertTrue(g.cancel(mayInterruptIfRunning));
1597	<	checkIncomplete(h);
1598	<	f.complete(v1);
1596	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1597	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1598	>	assertTrue(f.cancel(mayInterruptIfRunning));
1599	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1600	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1601
1602	<	checkCompletedWithWrappedCancellationException(h);
1603	<	checkCancelled(g);
1604	<	assertFalse(r.ran());
1605	<	checkCompletedNormally(f, v1);
1606	<	}
1607	<	}
1602	>	checkCompletedWithWrappedCancellationException(h0);
1603	>	checkCompletedWithWrappedCancellationException(h1);
1604	>	checkCompletedWithWrappedCancellationException(h2);
1605	>	checkCompletedWithWrappedCancellationException(h3);
1606	>	checkCancelled(f);
1607	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1608	>	}}
1609
1610	<	public void testThenCombine_sourceCancelled3() {
1610	>	/**
1611	>	* thenAccept result completes exceptionally if action does
1612	>	*/
1613	>	public void testThenAccept_actionFailed() {
1614		for (ExecutionMode m : ExecutionMode.values())
1615	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1616	<	for (Integer v1 : new Integer[] { 1, null }) {
1079	<
1615	>	for (Integer v1 : new Integer[] { 1, null })
1616	>	{
1617		final CompletableFuture<Integer> f = new CompletableFuture<>();
1618	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1619	<	final SubtractFunction r = new SubtractFunction();
1618	>	final FailingConsumer[] rs = new FailingConsumer[4];
1619	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1620
1621	<	assertTrue(g.cancel(mayInterruptIfRunning));
1622	<	f.complete(v1);
1623	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1624	<
1625	<	checkCompletedWithWrappedCancellationException(h);
1626	<	checkCancelled(g);
1627	<	assertFalse(r.ran());
1621	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1622	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1623	>	assertTrue(f.complete(v1));
1624	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1625	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1626	>
1627	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1628	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1629	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1630	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1631		checkCompletedNormally(f, v1);
1632	<	}
1093	<	}
1632	>	}}
1633
1634	<	public void testThenCombine_sourceCancelled4() {
1634	>	/**
1635	>	* thenCombine result completes normally after normal completion
1636	>	* of sources
1637	>	*/
1638	>	public void testThenCombine_normalCompletion() {
1639		for (ExecutionMode m : ExecutionMode.values())
1640	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1641	<	for (Integer v1 : new Integer[] { 1, null }) {
1642	<
1640	>	for (boolean fFirst : new boolean[] { true, false })
1641	>	for (Integer v1 : new Integer[] { 1, null })
1642	>	for (Integer v2 : new Integer[] { 2, null })
1643	>	{
1644		final CompletableFuture<Integer> f = new CompletableFuture<>();
1645		final CompletableFuture<Integer> g = new CompletableFuture<>();
1646	<	final SubtractFunction r = new SubtractFunction();
1646	>	final SubtractFunction[] rs = new SubtractFunction[6];
1647	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1648
1649	<	assertTrue(f.cancel(mayInterruptIfRunning));
1650	<	g.complete(v1);
1651	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1649	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1650	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1651	>	final Integer w1 =  fFirst ? v1 : v2;
1652	>	final Integer w2 = !fFirst ? v1 : v2;
1653	>
1654	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1655	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1656	>	assertTrue(fst.complete(w1));
1657	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1658	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1659	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1660	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1661	>	checkCompletedNormally(h1, subtract(w1, w1));
1662	>	checkCompletedNormally(h3, subtract(w1, w1));
1663	>	rs[1].assertValue(subtract(w1, w1));
1664	>	rs[3].assertValue(subtract(w1, w1));
1665	>	assertTrue(snd.complete(w2));
1666	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1667	>
1668	>	checkCompletedNormally(h0, subtract(v1, v2));
1669	>	checkCompletedNormally(h2, subtract(v1, v2));
1670	>	checkCompletedNormally(h4, subtract(v1, v2));
1671	>	rs[0].assertValue(subtract(v1, v2));
1672	>	rs[2].assertValue(subtract(v1, v2));
1673	>	rs[4].assertValue(subtract(v1, v2));
1674
1675	<	checkCompletedWithWrappedCancellationException(h);
1676	<	checkCancelled(f);
1677	<	assertFalse(r.ran());
1111	<	checkCompletedNormally(g, v1);
1112	<	}
1113	<	}
1675	>	checkCompletedNormally(f, v1);
1676	>	checkCompletedNormally(g, v2);
1677	>	}}
1678
1679		/**
1680	<	* thenAcceptBoth result completes normally after normal
1681	<	* completion of sources
1680	>	* thenCombine result completes exceptionally after exceptional
1681	>	* completion of either source
1682		*/
1683	<	public void testThenAcceptBoth_normalCompletion1() {
1683	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1684		for (ExecutionMode m : ExecutionMode.values())
1685	+	for (boolean fFirst : new boolean[] { true, false })
1686	+	for (boolean failFirst : new boolean[] { true, false })
1687		for (Integer v1 : new Integer[] { 1, null })
1688	<	for (Integer v2 : new Integer[] { 2, null }) {
1123	<
1688	>	{
1689		final CompletableFuture<Integer> f = new CompletableFuture<>();
1690		final CompletableFuture<Integer> g = new CompletableFuture<>();
1691	<	final SubtractAction r = new SubtractAction();
1692	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1693	<
1694	<	f.complete(v1);
1695	<	checkIncomplete(h);
1696	<	assertEquals(r.value, 0);
1697	<	g.complete(v2);
1698	<
1699	<	checkCompletedNormally(h, null);
1700	<	assertEquals(r.value, subtract(v1, v2));
1701	<	checkCompletedNormally(f, v1);
1702	<	checkCompletedNormally(g, v2);
1703	<	}
1704	<	}
1691	>	final CFException ex = new CFException();
1692	>	final SubtractFunction r1 = new SubtractFunction(m);
1693	>	final SubtractFunction r2 = new SubtractFunction(m);
1694	>	final SubtractFunction r3 = new SubtractFunction(m);
1695	>
1696	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1697	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1698	>	final Callable<Boolean> complete1 = failFirst ?
1699	>	() -> fst.completeExceptionally(ex) :
1700	>	() -> fst.complete(v1);
1701	>	final Callable<Boolean> complete2 = failFirst ?
1702	>	() -> snd.complete(v1) :
1703	>	() -> snd.completeExceptionally(ex);
1704	>
1705	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1706	>	assertTrue(complete1.call());
1707	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1708	>	checkIncomplete(h1);
1709	>	checkIncomplete(h2);
1710	>	assertTrue(complete2.call());
1711	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1712	>
1713	>	checkCompletedWithWrappedException(h1, ex);
1714	>	checkCompletedWithWrappedException(h2, ex);
1715	>	checkCompletedWithWrappedException(h3, ex);
1716	>	r1.assertNotInvoked();
1717	>	r2.assertNotInvoked();
1718	>	r3.assertNotInvoked();
1719	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1720	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1721	>	}}
1722
1723	<	public void testThenAcceptBoth_normalCompletion2() {
1723	>	/**
1724	>	* thenCombine result completes exceptionally if either source cancelled
1725	>	*/
1726	>	public void testThenCombine_sourceCancelled() throws Throwable {
1727		for (ExecutionMode m : ExecutionMode.values())
1728	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1729	+	for (boolean fFirst : new boolean[] { true, false })
1730	+	for (boolean failFirst : new boolean[] { true, false })
1731		for (Integer v1 : new Integer[] { 1, null })
1732	<	for (Integer v2 : new Integer[] { 2, null }) {
1145	<
1732	>	{
1733		final CompletableFuture<Integer> f = new CompletableFuture<>();
1734		final CompletableFuture<Integer> g = new CompletableFuture<>();
1735	<	final SubtractAction r = new SubtractAction();
1736	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1737	<
1738	<	g.complete(v2);
1739	<	checkIncomplete(h);
1740	<	assertEquals(r.value, 0);
1741	<	f.complete(v1);
1735	>	final SubtractFunction r1 = new SubtractFunction(m);
1736	>	final SubtractFunction r2 = new SubtractFunction(m);
1737	>	final SubtractFunction r3 = new SubtractFunction(m);
1738	>
1739	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1740	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1741	>	final Callable<Boolean> complete1 = failFirst ?
1742	>	() -> fst.cancel(mayInterruptIfRunning) :
1743	>	() -> fst.complete(v1);
1744	>	final Callable<Boolean> complete2 = failFirst ?
1745	>	() -> snd.complete(v1) :
1746	>	() -> snd.cancel(mayInterruptIfRunning);
1747	>
1748	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1749	>	assertTrue(complete1.call());
1750	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1751	>	checkIncomplete(h1);
1752	>	checkIncomplete(h2);
1753	>	assertTrue(complete2.call());
1754	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1755	>
1756	>	checkCompletedWithWrappedCancellationException(h1);
1757	>	checkCompletedWithWrappedCancellationException(h2);
1758	>	checkCompletedWithWrappedCancellationException(h3);
1759	>	r1.assertNotInvoked();
1760	>	r2.assertNotInvoked();
1761	>	r3.assertNotInvoked();
1762	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1763	>	checkCancelled(failFirst ? fst : snd);
1764	>	}}
1765
1766	<	checkCompletedNormally(h, null);
1767	<	assertEquals(r.value, subtract(v1, v2));
1768	<	checkCompletedNormally(f, v1);
1769	<	checkCompletedNormally(g, v2);
1160	<	}
1161	<	}
1162	<
1163	<	public void testThenAcceptBoth_normalCompletion3() {
1766	>	/**
1767	>	* thenCombine result completes exceptionally if action does
1768	>	*/
1769	>	public void testThenCombine_actionFailed() {
1770		for (ExecutionMode m : ExecutionMode.values())
1771	+	for (boolean fFirst : new boolean[] { true, false })
1772		for (Integer v1 : new Integer[] { 1, null })
1773	<	for (Integer v2 : new Integer[] { 2, null }) {
1774	<
1773	>	for (Integer v2 : new Integer[] { 2, null })
1774	>	{
1775		final CompletableFuture<Integer> f = new CompletableFuture<>();
1776		final CompletableFuture<Integer> g = new CompletableFuture<>();
1777	<	final SubtractAction r = new SubtractAction();
1778	<
1779	<	g.complete(v2);
1780	<	f.complete(v1);
1781	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1782	<
1783	<	checkCompletedNormally(h, null);
1784	<	assertEquals(r.value, subtract(v1, v2));
1777	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1778	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1779	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1780	>
1781	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1782	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1783	>	final Integer w1 =  fFirst ? v1 : v2;
1784	>	final Integer w2 = !fFirst ? v1 : v2;
1785	>
1786	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1787	>	assertTrue(fst.complete(w1));
1788	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1789	>	assertTrue(snd.complete(w2));
1790	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1791	>
1792	>	checkCompletedWithWrappedException(h1, r1.ex);
1793	>	checkCompletedWithWrappedException(h2, r2.ex);
1794	>	checkCompletedWithWrappedException(h3, r3.ex);
1795	>	r1.assertInvoked();
1796	>	r2.assertInvoked();
1797	>	r3.assertInvoked();
1798		checkCompletedNormally(f, v1);
1799		checkCompletedNormally(g, v2);
1800	<	}
1181	<	}
1800	>	}}
1801
1802	<	public void testThenAcceptBoth_normalCompletion4() {
1802	>	/**
1803	>	* thenAcceptBoth result completes normally after normal
1804	>	* completion of sources
1805	>	*/
1806	>	public void testThenAcceptBoth_normalCompletion() {
1807		for (ExecutionMode m : ExecutionMode.values())
1808	+	for (boolean fFirst : new boolean[] { true, false })
1809		for (Integer v1 : new Integer[] { 1, null })
1810	<	for (Integer v2 : new Integer[] { 2, null }) {
1811	<
1810	>	for (Integer v2 : new Integer[] { 2, null })
1811	>	{
1812		final CompletableFuture<Integer> f = new CompletableFuture<>();
1813		final CompletableFuture<Integer> g = new CompletableFuture<>();
1814	<	final SubtractAction r = new SubtractAction();
1815	<
1816	<	f.complete(v1);
1817	<	g.complete(v2);
1818	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1819	<
1820	<	checkCompletedNormally(h, null);
1821	<	assertEquals(r.value, subtract(v1, v2));
1814	>	final SubtractAction r1 = new SubtractAction(m);
1815	>	final SubtractAction r2 = new SubtractAction(m);
1816	>	final SubtractAction r3 = new SubtractAction(m);
1817	>
1818	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1819	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1820	>	final Integer w1 =  fFirst ? v1 : v2;
1821	>	final Integer w2 = !fFirst ? v1 : v2;
1822	>
1823	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1824	>	assertTrue(fst.complete(w1));
1825	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1826	>	checkIncomplete(h1);
1827	>	checkIncomplete(h2);
1828	>	r1.assertNotInvoked();
1829	>	r2.assertNotInvoked();
1830	>	assertTrue(snd.complete(w2));
1831	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1832	>
1833	>	checkCompletedNormally(h1, null);
1834	>	checkCompletedNormally(h2, null);
1835	>	checkCompletedNormally(h3, null);
1836	>	r1.assertValue(subtract(v1, v2));
1837	>	r2.assertValue(subtract(v1, v2));
1838	>	r3.assertValue(subtract(v1, v2));
1839		checkCompletedNormally(f, v1);
1840		checkCompletedNormally(g, v2);
1841	<	}
1201	<	}
1841	>	}}
1842
1843		/**
1844		* thenAcceptBoth result completes exceptionally after exceptional
1845		* completion of either source
1846		*/
1847	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1847	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1848		for (ExecutionMode m : ExecutionMode.values())
1849	<	for (Integer v1 : new Integer[] { 1, null }) {
1850	<
1849	>	for (boolean fFirst : new boolean[] { true, false })
1850	>	for (boolean failFirst : new boolean[] { true, false })
1851	>	for (Integer v1 : new Integer[] { 1, null })
1852	>	{
1853		final CompletableFuture<Integer> f = new CompletableFuture<>();
1854		final CompletableFuture<Integer> g = new CompletableFuture<>();
1213	–	final SubtractAction r = new SubtractAction();
1214	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1855		final CFException ex = new CFException();
1856	+	final SubtractAction r1 = new SubtractAction(m);
1857	+	final SubtractAction r2 = new SubtractAction(m);
1858	+	final SubtractAction r3 = new SubtractAction(m);
1859	+
1860	+	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1861	+	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1862	+	final Callable<Boolean> complete1 = failFirst ?
1863	+	() -> fst.completeExceptionally(ex) :
1864	+	() -> fst.complete(v1);
1865	+	final Callable<Boolean> complete2 = failFirst ?
1866	+	() -> snd.complete(v1) :
1867	+	() -> snd.completeExceptionally(ex);
1868	+
1869	+	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1870	+	assertTrue(complete1.call());
1871	+	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1872	+	checkIncomplete(h1);
1873	+	checkIncomplete(h2);
1874	+	assertTrue(complete2.call());
1875	+	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1876	+
1877	+	checkCompletedWithWrappedException(h1, ex);
1878	+	checkCompletedWithWrappedException(h2, ex);
1879	+	checkCompletedWithWrappedException(h3, ex);
1880	+	r1.assertNotInvoked();
1881	+	r2.assertNotInvoked();
1882	+	r3.assertNotInvoked();
1883	+	checkCompletedNormally(failFirst ? snd : fst, v1);
1884	+	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1885	+	}}
1886
1887	<	f.completeExceptionally(ex);
1888	<	checkIncomplete(h);
1889	<	g.complete(v1);
1890	<
1221	<	checkCompletedWithWrappedCFException(h, ex);
1222	<	checkCompletedWithWrappedCFException(f, ex);
1223	<	assertFalse(r.ran());
1224	<	checkCompletedNormally(g, v1);
1225	<	}
1226	<	}
1227	<
1228	<	public void testThenAcceptBoth_exceptionalCompletion2() {
1887	>	/**
1888	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1889	>	*/
1890	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1891		for (ExecutionMode m : ExecutionMode.values())
1892	<	for (Integer v1 : new Integer[] { 1, null }) {
1893	<
1892	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1893	>	for (boolean fFirst : new boolean[] { true, false })
1894	>	for (boolean failFirst : new boolean[] { true, false })
1895	>	for (Integer v1 : new Integer[] { 1, null })
1896	>	{
1897		final CompletableFuture<Integer> f = new CompletableFuture<>();
1898		final CompletableFuture<Integer> g = new CompletableFuture<>();
1899	<	final SubtractAction r = new SubtractAction();
1900	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1901	<	final CFException ex = new CFException();
1902	<
1903	<	g.completeExceptionally(ex);
1904	<	checkIncomplete(h);
1905	<	f.complete(v1);
1899	>	final SubtractAction r1 = new SubtractAction(m);
1900	>	final SubtractAction r2 = new SubtractAction(m);
1901	>	final SubtractAction r3 = new SubtractAction(m);
1902	>
1903	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1904	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1905	>	final Callable<Boolean> complete1 = failFirst ?
1906	>	() -> fst.cancel(mayInterruptIfRunning) :
1907	>	() -> fst.complete(v1);
1908	>	final Callable<Boolean> complete2 = failFirst ?
1909	>	() -> snd.complete(v1) :
1910	>	() -> snd.cancel(mayInterruptIfRunning);
1911	>
1912	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1913	>	assertTrue(complete1.call());
1914	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1915	>	checkIncomplete(h1);
1916	>	checkIncomplete(h2);
1917	>	assertTrue(complete2.call());
1918	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1919	>
1920	>	checkCompletedWithWrappedCancellationException(h1);
1921	>	checkCompletedWithWrappedCancellationException(h2);
1922	>	checkCompletedWithWrappedCancellationException(h3);
1923	>	r1.assertNotInvoked();
1924	>	r2.assertNotInvoked();
1925	>	r3.assertNotInvoked();
1926	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1927	>	checkCancelled(failFirst ? fst : snd);
1928	>	}}
1929
1930	<	checkCompletedWithWrappedCFException(h, ex);
1931	<	checkCompletedWithWrappedCFException(g, ex);
1932	<	assertFalse(r.ran());
1930	>	/**
1931	>	* thenAcceptBoth result completes exceptionally if action does
1932	>	*/
1933	>	public void testThenAcceptBoth_actionFailed() {
1934	>	for (ExecutionMode m : ExecutionMode.values())
1935	>	for (boolean fFirst : new boolean[] { true, false })
1936	>	for (Integer v1 : new Integer[] { 1, null })
1937	>	for (Integer v2 : new Integer[] { 2, null })
1938	>	{
1939	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1940	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1941	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1942	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1943	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1944	>
1945	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1946	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1947	>	final Integer w1 =  fFirst ? v1 : v2;
1948	>	final Integer w2 = !fFirst ? v1 : v2;
1949	>
1950	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1951	>	assertTrue(fst.complete(w1));
1952	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1953	>	assertTrue(snd.complete(w2));
1954	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1955	>
1956	>	checkCompletedWithWrappedException(h1, r1.ex);
1957	>	checkCompletedWithWrappedException(h2, r2.ex);
1958	>	checkCompletedWithWrappedException(h3, r3.ex);
1959	>	r1.assertInvoked();
1960	>	r2.assertInvoked();
1961	>	r3.assertInvoked();
1962		checkCompletedNormally(f, v1);
1963	<	}
1964	<	}
1963	>	checkCompletedNormally(g, v2);
1964	>	}}
1965
1966	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1966	>	/**
1967	>	* runAfterBoth result completes normally after normal
1968	>	* completion of sources
1969	>	*/
1970	>	public void testRunAfterBoth_normalCompletion() {
1971		for (ExecutionMode m : ExecutionMode.values())
1972	<	for (Integer v1 : new Integer[] { 1, null }) {
1973	<
1972	>	for (boolean fFirst : new boolean[] { true, false })
1973	>	for (Integer v1 : new Integer[] { 1, null })
1974	>	for (Integer v2 : new Integer[] { 2, null })
1975	>	{
1976		final CompletableFuture<Integer> f = new CompletableFuture<>();
1977		final CompletableFuture<Integer> g = new CompletableFuture<>();
1978	<	final SubtractAction r = new SubtractAction();
1979	<	final CFException ex = new CFException();
1980	<
1981	<	g.completeExceptionally(ex);
1982	<	f.complete(v1);
1983	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1984	<
1985	<	checkCompletedWithWrappedCFException(h, ex);
1986	<	checkCompletedWithWrappedCFException(g, ex);
1987	<	assertFalse(r.ran());
1978	>	final Noop r1 = new Noop(m);
1979	>	final Noop r2 = new Noop(m);
1980	>	final Noop r3 = new Noop(m);
1981	>
1982	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1983	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1984	>	final Integer w1 =  fFirst ? v1 : v2;
1985	>	final Integer w2 = !fFirst ? v1 : v2;
1986	>
1987	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1988	>	assertTrue(fst.complete(w1));
1989	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1990	>	checkIncomplete(h1);
1991	>	checkIncomplete(h2);
1992	>	r1.assertNotInvoked();
1993	>	r2.assertNotInvoked();
1994	>	assertTrue(snd.complete(w2));
1995	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1996	>
1997	>	checkCompletedNormally(h1, null);
1998	>	checkCompletedNormally(h2, null);
1999	>	checkCompletedNormally(h3, null);
2000	>	r1.assertInvoked();
2001	>	r2.assertInvoked();
2002	>	r3.assertInvoked();
2003		checkCompletedNormally(f, v1);
2004	<	}
2005	<	}
2004	>	checkCompletedNormally(g, v2);
2005	>	}}
2006
2007	<	public void testThenAcceptBoth_exceptionalCompletion4() {
2007	>	/**
2008	>	* runAfterBoth result completes exceptionally after exceptional
2009	>	* completion of either source
2010	>	*/
2011	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2012		for (ExecutionMode m : ExecutionMode.values())
2013	<	for (Integer v1 : new Integer[] { 1, null }) {
2014	<
2013	>	for (boolean fFirst : new boolean[] { true, false })
2014	>	for (boolean failFirst : new boolean[] { true, false })
2015	>	for (Integer v1 : new Integer[] { 1, null })
2016	>	{
2017		final CompletableFuture<Integer> f = new CompletableFuture<>();
2018		final CompletableFuture<Integer> g = new CompletableFuture<>();
1275	–	final SubtractAction r = new SubtractAction();
2019		final CFException ex = new CFException();
2020	<
2021	<	f.completeExceptionally(ex);
2022	<	g.complete(v1);
2023	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2024	<
2025	<	checkCompletedWithWrappedCFException(h, ex);
2026	<	checkCompletedWithWrappedCFException(f, ex);
2027	<	assertFalse(r.ran());
2028	<	checkCompletedNormally(g, v1);
2029	<	}
2030	<	}
2020	>	final Noop r1 = new Noop(m);
2021	>	final Noop r2 = new Noop(m);
2022	>	final Noop r3 = new Noop(m);
2023	>
2024	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2025	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2026	>	final Callable<Boolean> complete1 = failFirst ?
2027	>	() -> fst.completeExceptionally(ex) :
2028	>	() -> fst.complete(v1);
2029	>	final Callable<Boolean> complete2 = failFirst ?
2030	>	() -> snd.complete(v1) :
2031	>	() -> snd.completeExceptionally(ex);
2032	>
2033	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2034	>	assertTrue(complete1.call());
2035	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2036	>	checkIncomplete(h1);
2037	>	checkIncomplete(h2);
2038	>	assertTrue(complete2.call());
2039	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2040	>
2041	>	checkCompletedWithWrappedException(h1, ex);
2042	>	checkCompletedWithWrappedException(h2, ex);
2043	>	checkCompletedWithWrappedException(h3, ex);
2044	>	r1.assertNotInvoked();
2045	>	r2.assertNotInvoked();
2046	>	r3.assertNotInvoked();
2047	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2048	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2049	>	}}
2050
2051		/**
2052	<	* thenAcceptBoth result completes exceptionally if action does
2052	>	* runAfterBoth result completes exceptionally if either source cancelled
2053		*/
2054	<	public void testThenAcceptBoth_actionFailed1() {
2054	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2055		for (ExecutionMode m : ExecutionMode.values())
2056	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2057	+	for (boolean fFirst : new boolean[] { true, false })
2058	+	for (boolean failFirst : new boolean[] { true, false })
2059		for (Integer v1 : new Integer[] { 1, null })
2060	<	for (Integer v2 : new Integer[] { 2, null }) {
1296	<
2060	>	{
2061		final CompletableFuture<Integer> f = new CompletableFuture<>();
2062		final CompletableFuture<Integer> g = new CompletableFuture<>();
2063	<	final FailingBiConsumer r = new FailingBiConsumer();
2064	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2065	<
2066	<	f.complete(v1);
2067	<	checkIncomplete(h);
2068	<	g.complete(v2);
2063	>	final Noop r1 = new Noop(m);
2064	>	final Noop r2 = new Noop(m);
2065	>	final Noop r3 = new Noop(m);
2066	>
2067	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2068	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2069	>	final Callable<Boolean> complete1 = failFirst ?
2070	>	() -> fst.cancel(mayInterruptIfRunning) :
2071	>	() -> fst.complete(v1);
2072	>	final Callable<Boolean> complete2 = failFirst ?
2073	>	() -> snd.complete(v1) :
2074	>	() -> snd.cancel(mayInterruptIfRunning);
2075	>
2076	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2077	>	assertTrue(complete1.call());
2078	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2079	>	checkIncomplete(h1);
2080	>	checkIncomplete(h2);
2081	>	assertTrue(complete2.call());
2082	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2083	>
2084	>	checkCompletedWithWrappedCancellationException(h1);
2085	>	checkCompletedWithWrappedCancellationException(h2);
2086	>	checkCompletedWithWrappedCancellationException(h3);
2087	>	r1.assertNotInvoked();
2088	>	r2.assertNotInvoked();
2089	>	r3.assertNotInvoked();
2090	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2091	>	checkCancelled(failFirst ? fst : snd);
2092	>	}}
2093
2094	<	checkCompletedWithWrappedCFException(h);
2094	>	/**
2095	>	* runAfterBoth result completes exceptionally if action does
2096	>	*/
2097	>	public void testRunAfterBoth_actionFailed() {
2098	>	for (ExecutionMode m : ExecutionMode.values())
2099	>	for (boolean fFirst : new boolean[] { true, false })
2100	>	for (Integer v1 : new Integer[] { 1, null })
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 FailingRunnable r1 = new FailingRunnable(m);
2106	>	final FailingRunnable r2 = new FailingRunnable(m);
2107	>	final FailingRunnable r3 = new FailingRunnable(m);
2108	>
2109	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2110	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2111	>	final Integer w1 =  fFirst ? v1 : v2;
2112	>	final Integer w2 = !fFirst ? v1 : v2;
2113	>
2114	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2115	>	assertTrue(fst.complete(w1));
2116	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2117	>	assertTrue(snd.complete(w2));
2118	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2119	>
2120	>	checkCompletedWithWrappedException(h1, r1.ex);
2121	>	checkCompletedWithWrappedException(h2, r2.ex);
2122	>	checkCompletedWithWrappedException(h3, r3.ex);
2123	>	r1.assertInvoked();
2124	>	r2.assertInvoked();
2125	>	r3.assertInvoked();
2126		checkCompletedNormally(f, v1);
2127		checkCompletedNormally(g, v2);
2128	<	}
1310	<	}
2128	>	}}
2129
2130	<	public void testThenAcceptBoth_actionFailed2() {
2130	>	/**
2131	>	* applyToEither result completes normally after normal completion
2132	>	* of either source
2133	>	*/
2134	>	public void testApplyToEither_normalCompletion() {
2135		for (ExecutionMode m : ExecutionMode.values())
2136		for (Integer v1 : new Integer[] { 1, null })
2137	<	for (Integer v2 : new Integer[] { 2, null }) {
2138	<
2137	>	for (Integer v2 : new Integer[] { 2, null })
2138	>	{
2139		final CompletableFuture<Integer> f = new CompletableFuture<>();
2140		final CompletableFuture<Integer> g = new CompletableFuture<>();
2141	<	final FailingBiConsumer r = new FailingBiConsumer();
2142	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2141	>	final IncFunction[] rs = new IncFunction[6];
2142	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2143
2144	<	g.complete(v2);
2145	<	checkIncomplete(h);
2144	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2145	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2146	>	checkIncomplete(h0);
2147	>	checkIncomplete(h1);
2148	>	rs[0].assertNotInvoked();
2149	>	rs[1].assertNotInvoked();
2150		f.complete(v1);
2151	+	checkCompletedNormally(h0, inc(v1));
2152	+	checkCompletedNormally(h1, inc(v1));
2153	+	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2154	+	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2155	+	checkCompletedNormally(h2, inc(v1));
2156	+	checkCompletedNormally(h3, inc(v1));
2157	+	g.complete(v2);
2158	+
2159	+	// unspecified behavior - both source completions available
2160	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2161	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2162	+	rs[4].assertValue(h4.join());
2163	+	rs[5].assertValue(h5.join());
2164	+	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2165	+	Objects.equals(inc(v2), h4.join()));
2166	+	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2167	+	Objects.equals(inc(v2), h5.join()));
2168
1326	–	checkCompletedWithWrappedCFException(h);
2169		checkCompletedNormally(f, v1);
2170		checkCompletedNormally(g, v2);
2171	<	}
2172	<	}
2171	>	checkCompletedNormally(h0, inc(v1));
2172	>	checkCompletedNormally(h1, inc(v1));
2173	>	checkCompletedNormally(h2, inc(v1));
2174	>	checkCompletedNormally(h3, inc(v1));
2175	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2176	>	}}
2177
2178		/**
2179	<	* thenAcceptBoth result completes exceptionally if either source cancelled
2179	>	* applyToEither result completes exceptionally after exceptional
2180	>	* completion of either source
2181		*/
2182	<	public void testThenAcceptBoth_sourceCancelled1() {
2182	>	public void testApplyToEither_exceptionalCompletion() {
2183		for (ExecutionMode m : ExecutionMode.values())
2184	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2185	<	for (Integer v1 : new Integer[] { 1, null }) {
1339	<
2184	>	for (Integer v1 : new Integer[] { 1, null })
2185	>	{
2186		final CompletableFuture<Integer> f = new CompletableFuture<>();
2187		final CompletableFuture<Integer> g = new CompletableFuture<>();
2188	<	final SubtractAction r = new SubtractAction();
2189	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2188	>	final CFException ex = new CFException();
2189	>	final IncFunction[] rs = new IncFunction[6];
2190	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2191
2192	<	assertTrue(f.cancel(mayInterruptIfRunning));
2193	<	checkIncomplete(h);
2192	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2193	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2194	>	checkIncomplete(h0);
2195	>	checkIncomplete(h1);
2196	>	rs[0].assertNotInvoked();
2197	>	rs[1].assertNotInvoked();
2198	>	f.completeExceptionally(ex);
2199	>	checkCompletedWithWrappedException(h0, ex);
2200	>	checkCompletedWithWrappedException(h1, ex);
2201	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2202	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2203	>	checkCompletedWithWrappedException(h2, ex);
2204	>	checkCompletedWithWrappedException(h3, ex);
2205		g.complete(v1);
2206
2207	<	checkCompletedWithWrappedCancellationException(h);
2208	<	checkCancelled(f);
2209	<	assertFalse(r.ran());
2210	<	checkCompletedNormally(g, v1);
2207	>	// unspecified behavior - both source completions available
2208	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2209	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2210	>	try {
2211	>	assertEquals(inc(v1), h4.join());
2212	>	rs[4].assertValue(inc(v1));
2213	>	} catch (CompletionException ok) {
2214	>	checkCompletedWithWrappedException(h4, ex);
2215	>	rs[4].assertNotInvoked();
2216	>	}
2217	>	try {
2218	>	assertEquals(inc(v1), h5.join());
2219	>	rs[5].assertValue(inc(v1));
2220	>	} catch (CompletionException ok) {
2221	>	checkCompletedWithWrappedException(h5, ex);
2222	>	rs[5].assertNotInvoked();
2223		}
1354	–	}
2224
2225	<	public void testThenAcceptBoth_sourceCancelled2() {
2226	<	for (ExecutionMode m : ExecutionMode.values())
2227	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2228	<	for (Integer v1 : new Integer[] { 1, null }) {
2225	>	checkCompletedExceptionally(f, ex);
2226	>	checkCompletedNormally(g, v1);
2227	>	checkCompletedWithWrappedException(h0, ex);
2228	>	checkCompletedWithWrappedException(h1, ex);
2229	>	checkCompletedWithWrappedException(h2, ex);
2230	>	checkCompletedWithWrappedException(h3, ex);
2231	>	checkCompletedWithWrappedException(h4, ex);
2232	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2233	>	}}
2234
2235	+	public void testApplyToEither_exceptionalCompletion2() {
2236	+	for (ExecutionMode m : ExecutionMode.values())
2237	+	for (boolean fFirst : new boolean[] { true, false })
2238	+	for (Integer v1 : new Integer[] { 1, null })
2239	+	{
2240		final CompletableFuture<Integer> f = new CompletableFuture<>();
2241		final CompletableFuture<Integer> g = new CompletableFuture<>();
2242	<	final SubtractAction r = new SubtractAction();
2243	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2242	>	final CFException ex = new CFException();
2243	>	final IncFunction[] rs = new IncFunction[6];
2244	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2245
2246	<	assertTrue(g.cancel(mayInterruptIfRunning));
2247	<	checkIncomplete(h);
2248	<	f.complete(v1);
2246	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2247	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2248	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2249	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2250	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2251	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2252
2253	<	checkCompletedWithWrappedCancellationException(h);
2254	<	checkCancelled(g);
2255	<	assertFalse(r.ran());
2256	<	checkCompletedNormally(f, v1);
2253	>	// unspecified behavior - both source completions available
2254	>	try {
2255	>	assertEquals(inc(v1), h0.join());
2256	>	rs[0].assertValue(inc(v1));
2257	>	} catch (CompletionException ok) {
2258	>	checkCompletedWithWrappedException(h0, ex);
2259	>	rs[0].assertNotInvoked();
2260	>	}
2261	>	try {
2262	>	assertEquals(inc(v1), h1.join());
2263	>	rs[1].assertValue(inc(v1));
2264	>	} catch (CompletionException ok) {
2265	>	checkCompletedWithWrappedException(h1, ex);
2266	>	rs[1].assertNotInvoked();
2267	>	}
2268	>	try {
2269	>	assertEquals(inc(v1), h2.join());
2270	>	rs[2].assertValue(inc(v1));
2271	>	} catch (CompletionException ok) {
2272	>	checkCompletedWithWrappedException(h2, ex);
2273	>	rs[2].assertNotInvoked();
2274	>	}
2275	>	try {
2276	>	assertEquals(inc(v1), h3.join());
2277	>	rs[3].assertValue(inc(v1));
2278	>	} catch (CompletionException ok) {
2279	>	checkCompletedWithWrappedException(h3, ex);
2280	>	rs[3].assertNotInvoked();
2281		}
1375	–	}
1376	–
1377	–	public void testThenAcceptBoth_sourceCancelled3() {
1378	–	for (ExecutionMode m : ExecutionMode.values())
1379	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1380	–	for (Integer v1 : new Integer[] { 1, null }) {
1381	–
1382	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1383	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1384	–	final SubtractAction r = new SubtractAction();
1385	–
1386	–	assertTrue(g.cancel(mayInterruptIfRunning));
1387	–	f.complete(v1);
1388	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2282
1390	–	checkCompletedWithWrappedCancellationException(h);
1391	–	checkCancelled(g);
1392	–	assertFalse(r.ran());
2283		checkCompletedNormally(f, v1);
2284	<	}
2285	<	}
2284	>	checkCompletedExceptionally(g, ex);
2285	>	}}
2286
2287	<	public void testThenAcceptBoth_sourceCancelled4() {
2287	>	/**
2288	>	* applyToEither result completes exceptionally if either source cancelled
2289	>	*/
2290	>	public void testApplyToEither_sourceCancelled() {
2291		for (ExecutionMode m : ExecutionMode.values())
2292		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2293	<	for (Integer v1 : new Integer[] { 1, null }) {
2294	<
2293	>	for (Integer v1 : new Integer[] { 1, null })
2294	>	{
2295		final CompletableFuture<Integer> f = new CompletableFuture<>();
2296		final CompletableFuture<Integer> g = new CompletableFuture<>();
2297	<	final SubtractAction r = new SubtractAction();
2297	>	final IncFunction[] rs = new IncFunction[6];
2298	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2299
2300	<	assertTrue(f.cancel(mayInterruptIfRunning));
2300	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2301	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2302	>	checkIncomplete(h0);
2303	>	checkIncomplete(h1);
2304	>	rs[0].assertNotInvoked();
2305	>	rs[1].assertNotInvoked();
2306	>	f.cancel(mayInterruptIfRunning);
2307	>	checkCompletedWithWrappedCancellationException(h0);
2308	>	checkCompletedWithWrappedCancellationException(h1);
2309	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2310	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2311	>	checkCompletedWithWrappedCancellationException(h2);
2312	>	checkCompletedWithWrappedCancellationException(h3);
2313		g.complete(v1);
1408	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2314
2315	<	checkCompletedWithWrappedCancellationException(h);
2315	>	// unspecified behavior - both source completions available
2316	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2317	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2318	>	try {
2319	>	assertEquals(inc(v1), h4.join());
2320	>	rs[4].assertValue(inc(v1));
2321	>	} catch (CompletionException ok) {
2322	>	checkCompletedWithWrappedCancellationException(h4);
2323	>	rs[4].assertNotInvoked();
2324	>	}
2325	>	try {
2326	>	assertEquals(inc(v1), h5.join());
2327	>	rs[5].assertValue(inc(v1));
2328	>	} catch (CompletionException ok) {
2329	>	checkCompletedWithWrappedCancellationException(h5);
2330	>	rs[5].assertNotInvoked();
2331	>	}
2332	>
2333		checkCancelled(f);
1412	–	assertFalse(r.ran());
2334		checkCompletedNormally(g, v1);
2335	<	}
2336	<	}
2335	>	checkCompletedWithWrappedCancellationException(h0);
2336	>	checkCompletedWithWrappedCancellationException(h1);
2337	>	checkCompletedWithWrappedCancellationException(h2);
2338	>	checkCompletedWithWrappedCancellationException(h3);
2339	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2340	>	}}
2341
2342	<	/**
1418	<	* runAfterBoth result completes normally after normal
1419	<	* completion of sources
1420	<	*/
1421	<	public void testRunAfterBoth_normalCompletion1() {
2342	>	public void testApplyToEither_sourceCancelled2() {
2343		for (ExecutionMode m : ExecutionMode.values())
2344	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2345	+	for (boolean fFirst : new boolean[] { true, false })
2346		for (Integer v1 : new Integer[] { 1, null })
2347	<	for (Integer v2 : new Integer[] { 2, null }) {
1425	<
2347	>	{
2348		final CompletableFuture<Integer> f = new CompletableFuture<>();
2349		final CompletableFuture<Integer> g = new CompletableFuture<>();
2350	<	final Noop r = new Noop();
2351	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2350	>	final IncFunction[] rs = new IncFunction[6];
2351	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2352
2353	<	f.complete(v1);
2354	<	checkIncomplete(h);
2355	<	assertFalse(r.ran);
2356	<	g.complete(v2);
2353	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2354	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2355	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2356	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2357	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2358	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2359
2360	<	checkCompletedNormally(h, null);
2361	<	assertTrue(r.ran);
2362	<	checkCompletedNormally(f, v1);
2363	<	checkCompletedNormally(g, v2);
2360	>	// unspecified behavior - both source completions available
2361	>	try {
2362	>	assertEquals(inc(v1), h0.join());
2363	>	rs[0].assertValue(inc(v1));
2364	>	} catch (CompletionException ok) {
2365	>	checkCompletedWithWrappedCancellationException(h0);
2366	>	rs[0].assertNotInvoked();
2367	>	}
2368	>	try {
2369	>	assertEquals(inc(v1), h1.join());
2370	>	rs[1].assertValue(inc(v1));
2371	>	} catch (CompletionException ok) {
2372	>	checkCompletedWithWrappedCancellationException(h1);
2373	>	rs[1].assertNotInvoked();
2374	>	}
2375	>	try {
2376	>	assertEquals(inc(v1), h2.join());
2377	>	rs[2].assertValue(inc(v1));
2378	>	} catch (CompletionException ok) {
2379	>	checkCompletedWithWrappedCancellationException(h2);
2380	>	rs[2].assertNotInvoked();
2381	>	}
2382	>	try {
2383	>	assertEquals(inc(v1), h3.join());
2384	>	rs[3].assertValue(inc(v1));
2385	>	} catch (CompletionException ok) {
2386	>	checkCompletedWithWrappedCancellationException(h3);
2387	>	rs[3].assertNotInvoked();
2388		}
1441	–	}
1442	–
1443	–	public void testRunAfterBoth_normalCompletion2() {
1444	–	for (ExecutionMode m : ExecutionMode.values())
1445	–	for (Integer v1 : new Integer[] { 1, null })
1446	–	for (Integer v2 : new Integer[] { 2, null }) {
1447	–
1448	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1449	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1450	–	final Noop r = new Noop();
1451	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1452	–
1453	–	g.complete(v2);
1454	–	checkIncomplete(h);
1455	–	assertFalse(r.ran);
1456	–	f.complete(v1);
2389
1458	–	checkCompletedNormally(h, null);
1459	–	assertTrue(r.ran);
2390		checkCompletedNormally(f, v1);
2391	<	checkCompletedNormally(g, v2);
2392	<	}
1463	<	}
2391	>	checkCancelled(g);
2392	>	}}
2393
2394	<	public void testRunAfterBoth_normalCompletion3() {
2394	>	/**
2395	>	* applyToEither result completes exceptionally if action does
2396	>	*/
2397	>	public void testApplyToEither_actionFailed() {
2398		for (ExecutionMode m : ExecutionMode.values())
2399		for (Integer v1 : new Integer[] { 1, null })
2400	<	for (Integer v2 : new Integer[] { 2, null }) {
2401	<
2400	>	for (Integer v2 : new Integer[] { 2, null })
2401	>	{
2402		final CompletableFuture<Integer> f = new CompletableFuture<>();
2403		final CompletableFuture<Integer> g = new CompletableFuture<>();
2404	<	final Noop r = new Noop();
2404	>	final FailingFunction[] rs = new FailingFunction[6];
2405	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2406
2407	<	g.complete(v2);
2407	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2408	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2409		f.complete(v1);
2410	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2410	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2411	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2412	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2413	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2414	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2415	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2416	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2417	>
2418	>	g.complete(v2);
2419	>
2420	>	// unspecified behavior - both source completions available
2421	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2422	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2423	>
2424	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2425	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2426	>	Objects.equals(v2, rs[4].value));
2427	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2428	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2429	>	Objects.equals(v2, rs[5].value));
2430
1478	–	checkCompletedNormally(h, null);
1479	–	assertTrue(r.ran);
2431		checkCompletedNormally(f, v1);
2432		checkCompletedNormally(g, v2);
2433	<	}
1483	<	}
2433	>	}}
2434
2435	<	public void testRunAfterBoth_normalCompletion4() {
2435	>	/**
2436	>	* acceptEither result completes normally after normal completion
2437	>	* of either source
2438	>	*/
2439	>	public void testAcceptEither_normalCompletion() {
2440		for (ExecutionMode m : ExecutionMode.values())
2441		for (Integer v1 : new Integer[] { 1, null })
2442	<	for (Integer v2 : new Integer[] { 2, null }) {
2443	<
2442	>	for (Integer v2 : new Integer[] { 2, null })
2443	>	{
2444		final CompletableFuture<Integer> f = new CompletableFuture<>();
2445		final CompletableFuture<Integer> g = new CompletableFuture<>();
2446	<	final Noop r = new Noop();
2446	>	final NoopConsumer[] rs = new NoopConsumer[6];
2447	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2448
2449	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2450	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2451	+	checkIncomplete(h0);
2452	+	checkIncomplete(h1);
2453	+	rs[0].assertNotInvoked();
2454	+	rs[1].assertNotInvoked();
2455		f.complete(v1);
2456	+	checkCompletedNormally(h0, null);
2457	+	checkCompletedNormally(h1, null);
2458	+	rs[0].assertValue(v1);
2459	+	rs[1].assertValue(v1);
2460	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2461	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2462	+	checkCompletedNormally(h2, null);
2463	+	checkCompletedNormally(h3, null);
2464	+	rs[2].assertValue(v1);
2465	+	rs[3].assertValue(v1);
2466		g.complete(v2);
1496	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2467
2468	<	checkCompletedNormally(h, null);
2469	<	assertTrue(r.ran);
2468	>	// unspecified behavior - both source completions available
2469	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2470	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2471	>	checkCompletedNormally(h4, null);
2472	>	checkCompletedNormally(h5, null);
2473	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2474	>	Objects.equals(v2, rs[4].value));
2475	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2476	>	Objects.equals(v2, rs[5].value));
2477	>
2478		checkCompletedNormally(f, v1);
2479		checkCompletedNormally(g, v2);
2480	<	}
2481	<	}
2480	>	checkCompletedNormally(h0, null);
2481	>	checkCompletedNormally(h1, null);
2482	>	checkCompletedNormally(h2, null);
2483	>	checkCompletedNormally(h3, null);
2484	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2485	>	}}
2486
2487		/**
2488	<	* runAfterBoth result completes exceptionally after exceptional
2488	>	* acceptEither result completes exceptionally after exceptional
2489		* completion of either source
2490		*/
2491	<	public void testRunAfterBoth_exceptionalCompletion1() {
2491	>	public void testAcceptEither_exceptionalCompletion() {
2492		for (ExecutionMode m : ExecutionMode.values())
2493	<	for (Integer v1 : new Integer[] { 1, null }) {
2494	<
2493	>	for (Integer v1 : new Integer[] { 1, null })
2494	>	{
2495		final CompletableFuture<Integer> f = new CompletableFuture<>();
2496		final CompletableFuture<Integer> g = new CompletableFuture<>();
1515	–	final Noop r = new Noop();
1516	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2497		final CFException ex = new CFException();
2498	+	final NoopConsumer[] rs = new NoopConsumer[6];
2499	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2500
2501	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2502	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2503	+	checkIncomplete(h0);
2504	+	checkIncomplete(h1);
2505	+	rs[0].assertNotInvoked();
2506	+	rs[1].assertNotInvoked();
2507		f.completeExceptionally(ex);
2508	<	checkIncomplete(h);
2508	>	checkCompletedWithWrappedException(h0, ex);
2509	>	checkCompletedWithWrappedException(h1, ex);
2510	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2511	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2512	>	checkCompletedWithWrappedException(h2, ex);
2513	>	checkCompletedWithWrappedException(h3, ex);
2514	>
2515		g.complete(v1);
2516
2517	<	checkCompletedWithWrappedCFException(h, ex);
2518	<	checkCompletedWithWrappedCFException(f, ex);
2519	<	assertFalse(r.ran);
2520	<	checkCompletedNormally(g, v1);
2517	>	// unspecified behavior - both source completions available
2518	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2519	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2520	>	try {
2521	>	assertNull(h4.join());
2522	>	rs[4].assertValue(v1);
2523	>	} catch (CompletionException ok) {
2524	>	checkCompletedWithWrappedException(h4, ex);
2525	>	rs[4].assertNotInvoked();
2526	>	}
2527	>	try {
2528	>	assertNull(h5.join());
2529	>	rs[5].assertValue(v1);
2530	>	} catch (CompletionException ok) {
2531	>	checkCompletedWithWrappedException(h5, ex);
2532	>	rs[5].assertNotInvoked();
2533		}
1528	–	}
2534
2535	<	public void testRunAfterBoth_exceptionalCompletion2() {
2536	<	for (ExecutionMode m : ExecutionMode.values())
2537	<	for (Integer v1 : new Integer[] { 1, null }) {
2535	>	checkCompletedExceptionally(f, ex);
2536	>	checkCompletedNormally(g, v1);
2537	>	checkCompletedWithWrappedException(h0, ex);
2538	>	checkCompletedWithWrappedException(h1, ex);
2539	>	checkCompletedWithWrappedException(h2, ex);
2540	>	checkCompletedWithWrappedException(h3, ex);
2541	>	checkCompletedWithWrappedException(h4, ex);
2542	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2543	>	}}
2544
2545	+	public void testAcceptEither_exceptionalCompletion2() {
2546	+	for (ExecutionMode m : ExecutionMode.values())
2547	+	for (boolean fFirst : new boolean[] { true, false })
2548	+	for (Integer v1 : new Integer[] { 1, null })
2549	+	{
2550		final CompletableFuture<Integer> f = new CompletableFuture<>();
2551		final CompletableFuture<Integer> g = new CompletableFuture<>();
1536	–	final Noop r = new Noop();
1537	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2552		final CFException ex = new CFException();
2553	+	final NoopConsumer[] rs = new NoopConsumer[6];
2554	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2555
2556	<	g.completeExceptionally(ex);
2557	<	checkIncomplete(h);
2558	<	f.complete(v1);
2556	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2557	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2558	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2559	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2560	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2561	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2562
2563	<	checkCompletedWithWrappedCFException(h, ex);
2564	<	checkCompletedWithWrappedCFException(g, ex);
2565	<	assertFalse(r.ran);
2566	<	checkCompletedNormally(f, v1);
2563	>	// unspecified behavior - both source completions available
2564	>	try {
2565	>	assertEquals(null, h0.join());
2566	>	rs[0].assertValue(v1);
2567	>	} catch (CompletionException ok) {
2568	>	checkCompletedWithWrappedException(h0, ex);
2569	>	rs[0].assertNotInvoked();
2570	>	}
2571	>	try {
2572	>	assertEquals(null, h1.join());
2573	>	rs[1].assertValue(v1);
2574	>	} catch (CompletionException ok) {
2575	>	checkCompletedWithWrappedException(h1, ex);
2576	>	rs[1].assertNotInvoked();
2577	>	}
2578	>	try {
2579	>	assertEquals(null, h2.join());
2580	>	rs[2].assertValue(v1);
2581	>	} catch (CompletionException ok) {
2582	>	checkCompletedWithWrappedException(h2, ex);
2583	>	rs[2].assertNotInvoked();
2584	>	}
2585	>	try {
2586	>	assertEquals(null, h3.join());
2587	>	rs[3].assertValue(v1);
2588	>	} catch (CompletionException ok) {
2589	>	checkCompletedWithWrappedException(h3, ex);
2590	>	rs[3].assertNotInvoked();
2591		}
1549	–	}
1550	–
1551	–	public void testRunAfterBoth_exceptionalCompletion3() {
1552	–	for (ExecutionMode m : ExecutionMode.values())
1553	–	for (Integer v1 : new Integer[] { 1, null }) {
1554	–
1555	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1556	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1557	–	final Noop r = new Noop();
1558	–	final CFException ex = new CFException();
1559	–
1560	–	g.completeExceptionally(ex);
1561	–	f.complete(v1);
1562	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2592
1564	–	checkCompletedWithWrappedCFException(h, ex);
1565	–	checkCompletedWithWrappedCFException(g, ex);
1566	–	assertFalse(r.ran);
2593		checkCompletedNormally(f, v1);
2594	<	}
2595	<	}
2594	>	checkCompletedExceptionally(g, ex);
2595	>	}}
2596
2597	<	public void testRunAfterBoth_exceptionalCompletion4() {
2597	>	/**
2598	>	* acceptEither result completes exceptionally if either source cancelled
2599	>	*/
2600	>	public void testAcceptEither_sourceCancelled() {
2601		for (ExecutionMode m : ExecutionMode.values())
2602	<	for (Integer v1 : new Integer[] { 1, null }) {
2603	<
2602	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2603	>	for (Integer v1 : new Integer[] { 1, null })
2604	>	{
2605		final CompletableFuture<Integer> f = new CompletableFuture<>();
2606		final CompletableFuture<Integer> g = new CompletableFuture<>();
2607	<	final Noop r = new Noop();
2608	<	final CFException ex = new CFException();
2607	>	final NoopConsumer[] rs = new NoopConsumer[6];
2608	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2609	>
2610	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2611	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2612	>	checkIncomplete(h0);
2613	>	checkIncomplete(h1);
2614	>	rs[0].assertNotInvoked();
2615	>	rs[1].assertNotInvoked();
2616	>	f.cancel(mayInterruptIfRunning);
2617	>	checkCompletedWithWrappedCancellationException(h0);
2618	>	checkCompletedWithWrappedCancellationException(h1);
2619	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2620	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2621	>	checkCompletedWithWrappedCancellationException(h2);
2622	>	checkCompletedWithWrappedCancellationException(h3);
2623
1580	–	f.completeExceptionally(ex);
2624		g.complete(v1);
1582	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2625
2626	<	checkCompletedWithWrappedCFException(h, ex);
2627	<	checkCompletedWithWrappedCFException(f, ex);
2628	<	assertFalse(r.ran);
2629	<	checkCompletedNormally(g, v1);
2626	>	// unspecified behavior - both source completions available
2627	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2628	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2629	>	try {
2630	>	assertNull(h4.join());
2631	>	rs[4].assertValue(v1);
2632	>	} catch (CompletionException ok) {
2633	>	checkCompletedWithWrappedCancellationException(h4);
2634	>	rs[4].assertNotInvoked();
2635	>	}
2636	>	try {
2637	>	assertNull(h5.join());
2638	>	rs[5].assertValue(v1);
2639	>	} catch (CompletionException ok) {
2640	>	checkCompletedWithWrappedCancellationException(h5);
2641	>	rs[5].assertNotInvoked();
2642		}
2643	<	}
2643	>
2644	>	checkCancelled(f);
2645	>	checkCompletedNormally(g, v1);
2646	>	checkCompletedWithWrappedCancellationException(h0);
2647	>	checkCompletedWithWrappedCancellationException(h1);
2648	>	checkCompletedWithWrappedCancellationException(h2);
2649	>	checkCompletedWithWrappedCancellationException(h3);
2650	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2651	>	}}
2652
2653		/**
2654	<	* runAfterBoth result completes exceptionally if action does
2654	>	* acceptEither result completes exceptionally if action does
2655		*/
2656	<	public void testRunAfterBoth_actionFailed1() {
2656	>	public void testAcceptEither_actionFailed() {
2657		for (ExecutionMode m : ExecutionMode.values())
2658		for (Integer v1 : new Integer[] { 1, null })
2659	<	for (Integer v2 : new Integer[] { 2, null }) {
2660	<
2659	>	for (Integer v2 : new Integer[] { 2, null })
2660	>	{
2661		final CompletableFuture<Integer> f = new CompletableFuture<>();
2662		final CompletableFuture<Integer> g = new CompletableFuture<>();
2663	<	final FailingNoop r = new FailingNoop();
2664	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2663	>	final FailingConsumer[] rs = new FailingConsumer[6];
2664	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2665
2666	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2667	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2668		f.complete(v1);
2669	<	checkIncomplete(h);
2669	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2670	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2671	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2672	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2673	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2674	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2675	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2676	>
2677		g.complete(v2);
2678
2679	<	checkCompletedWithWrappedCFException(h);
2679	>	// unspecified behavior - both source completions available
2680	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2681	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2682	>
2683	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2684	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2685	>	Objects.equals(v2, rs[4].value));
2686	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2687	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2688	>	Objects.equals(v2, rs[5].value));
2689	>
2690		checkCompletedNormally(f, v1);
2691		checkCompletedNormally(g, v2);
2692	<	}
1612	<	}
2692	>	}}
2693
2694	<	public void testRunAfterBoth_actionFailed2() {
2694	>	/**
2695	>	* runAfterEither result completes normally after normal completion
2696	>	* of either source
2697	>	*/
2698	>	public void testRunAfterEither_normalCompletion() {
2699		for (ExecutionMode m : ExecutionMode.values())
2700		for (Integer v1 : new Integer[] { 1, null })
2701	<	for (Integer v2 : new Integer[] { 2, null }) {
2702	<
2703	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2704	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2705	<	final FailingNoop r = new FailingNoop();
2706	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2701	>	for (Integer v2 : new Integer[] { 2, null })
2702	>	for (boolean pushNop : new boolean[] { true, false })
2703	>	{
2704	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2705	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2706	>	final Noop[] rs = new Noop[6];
2707	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2708	>
2709	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2710	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2711	>	checkIncomplete(h0);
2712	>	checkIncomplete(h1);
2713	>	rs[0].assertNotInvoked();
2714	>	rs[1].assertNotInvoked();
2715	>	if (pushNop) {          // ad hoc test of intra-completion interference
2716	>	m.thenRun(f, () -> {});
2717	>	m.thenRun(g, () -> {});
2718	>	}
2719	>	f.complete(v1);
2720	>	checkCompletedNormally(h0, null);
2721	>	checkCompletedNormally(h1, null);
2722	>	rs[0].assertInvoked();
2723	>	rs[1].assertInvoked();
2724	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2725	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2726	>	checkCompletedNormally(h2, null);
2727	>	checkCompletedNormally(h3, null);
2728	>	rs[2].assertInvoked();
2729	>	rs[3].assertInvoked();
2730
2731		g.complete(v2);
1625	–	checkIncomplete(h);
1626	–	f.complete(v1);
2732
2733	<	checkCompletedWithWrappedCFException(h);
2733	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2734	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2735	>
2736		checkCompletedNormally(f, v1);
2737		checkCompletedNormally(g, v2);
2738	<	}
2739	<	}
2738	>	checkCompletedNormally(h0, null);
2739	>	checkCompletedNormally(h1, null);
2740	>	checkCompletedNormally(h2, null);
2741	>	checkCompletedNormally(h3, null);
2742	>	checkCompletedNormally(h4, null);
2743	>	checkCompletedNormally(h5, null);
2744	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2745	>	}}
2746
2747		/**
2748	<	* runAfterBoth result completes exceptionally if either source cancelled
2748	>	* runAfterEither result completes exceptionally after exceptional
2749	>	* completion of either source
2750		*/
2751	<	public void testRunAfterBoth_sourceCancelled1() {
2751	>	public void testRunAfterEither_exceptionalCompletion() {
2752		for (ExecutionMode m : ExecutionMode.values())
2753	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2754	<	for (Integer v1 : new Integer[] { 1, null }) {
1641	<
2753	>	for (Integer v1 : new Integer[] { 1, null })
2754	>	{
2755		final CompletableFuture<Integer> f = new CompletableFuture<>();
2756		final CompletableFuture<Integer> g = new CompletableFuture<>();
2757	<	final Noop r = new Noop();
2758	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2757	>	final CFException ex = new CFException();
2758	>	final Noop[] rs = new Noop[6];
2759	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2760
2761	<	assertTrue(f.cancel(mayInterruptIfRunning));
2762	<	checkIncomplete(h);
2763	<	g.complete(v1);
2761	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2762	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2763	>	checkIncomplete(h0);
2764	>	checkIncomplete(h1);
2765	>	rs[0].assertNotInvoked();
2766	>	rs[1].assertNotInvoked();
2767	>	assertTrue(f.completeExceptionally(ex));
2768	>	checkCompletedWithWrappedException(h0, ex);
2769	>	checkCompletedWithWrappedException(h1, ex);
2770	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2771	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2772	>	checkCompletedWithWrappedException(h2, ex);
2773	>	checkCompletedWithWrappedException(h3, ex);
2774	>
2775	>	assertTrue(g.complete(v1));
2776	>
2777	>	// unspecified behavior - both source completions available
2778	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2779	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2780	>	try {
2781	>	assertNull(h4.join());
2782	>	rs[4].assertInvoked();
2783	>	} catch (CompletionException ok) {
2784	>	checkCompletedWithWrappedException(h4, ex);
2785	>	rs[4].assertNotInvoked();
2786	>	}
2787	>	try {
2788	>	assertNull(h5.join());
2789	>	rs[5].assertInvoked();
2790	>	} catch (CompletionException ok) {
2791	>	checkCompletedWithWrappedException(h5, ex);
2792	>	rs[5].assertNotInvoked();
2793	>	}
2794
2795	<	checkCompletedWithWrappedCancellationException(h);
1652	<	checkCancelled(f);
1653	<	assertFalse(r.ran);
2795	>	checkCompletedExceptionally(f, ex);
2796		checkCompletedNormally(g, v1);
2797	<	}
2798	<	}
2797	>	checkCompletedWithWrappedException(h0, ex);
2798	>	checkCompletedWithWrappedException(h1, ex);
2799	>	checkCompletedWithWrappedException(h2, ex);
2800	>	checkCompletedWithWrappedException(h3, ex);
2801	>	checkCompletedWithWrappedException(h4, ex);
2802	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2803	>	}}
2804
2805	<	public void testRunAfterBoth_sourceCancelled2() {
2805	>	public void testRunAfterEither_exceptionalCompletion2() {
2806		for (ExecutionMode m : ExecutionMode.values())
2807	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2808	<	for (Integer v1 : new Integer[] { 1, null }) {
2809	<
2807	>	for (boolean fFirst : new boolean[] { true, false })
2808	>	for (Integer v1 : new Integer[] { 1, null })
2809	>	{
2810		final CompletableFuture<Integer> f = new CompletableFuture<>();
2811		final CompletableFuture<Integer> g = new CompletableFuture<>();
2812	<	final Noop r = new Noop();
2813	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2812	>	final CFException ex = new CFException();
2813	>	final Noop[] rs = new Noop[6];
2814	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2815
2816	<	assertTrue(g.cancel(mayInterruptIfRunning));
2817	<	checkIncomplete(h);
2818	<	f.complete(v1);
2816	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2817	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2818	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2819	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2820	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2821	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2822
2823	<	checkCompletedWithWrappedCancellationException(h);
2824	<	checkCancelled(g);
2825	<	assertFalse(r.ran);
2826	<	checkCompletedNormally(f, v1);
2823	>	// unspecified behavior - both source completions available
2824	>	try {
2825	>	assertEquals(null, h0.join());
2826	>	rs[0].assertInvoked();
2827	>	} catch (CompletionException ok) {
2828	>	checkCompletedWithWrappedException(h0, ex);
2829	>	rs[0].assertNotInvoked();
2830	>	}
2831	>	try {
2832	>	assertEquals(null, h1.join());
2833	>	rs[1].assertInvoked();
2834	>	} catch (CompletionException ok) {
2835	>	checkCompletedWithWrappedException(h1, ex);
2836	>	rs[1].assertNotInvoked();
2837	>	}
2838	>	try {
2839	>	assertEquals(null, h2.join());
2840	>	rs[2].assertInvoked();
2841	>	} catch (CompletionException ok) {
2842	>	checkCompletedWithWrappedException(h2, ex);
2843	>	rs[2].assertNotInvoked();
2844	>	}
2845	>	try {
2846	>	assertEquals(null, h3.join());
2847	>	rs[3].assertInvoked();
2848	>	} catch (CompletionException ok) {
2849	>	checkCompletedWithWrappedException(h3, ex);
2850	>	rs[3].assertNotInvoked();
2851		}
1677	–	}
1678	–
1679	–	public void testRunAfterBoth_sourceCancelled3() {
1680	–	for (ExecutionMode m : ExecutionMode.values())
1681	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1682	–	for (Integer v1 : new Integer[] { 1, null }) {
1683	–
1684	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1685	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1686	–	final Noop r = new Noop();
1687	–
1688	–	assertTrue(g.cancel(mayInterruptIfRunning));
1689	–	f.complete(v1);
1690	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2852
1692	–	checkCompletedWithWrappedCancellationException(h);
1693	–	checkCancelled(g);
1694	–	assertFalse(r.ran);
2853		checkCompletedNormally(f, v1);
2854	<	}
2855	<	}
2854	>	checkCompletedExceptionally(g, ex);
2855	>	}}
2856
2857	<	public void testRunAfterBoth_sourceCancelled4() {
2857	>	/**
2858	>	* runAfterEither result completes exceptionally if either source cancelled
2859	>	*/
2860	>	public void testRunAfterEither_sourceCancelled() {
2861		for (ExecutionMode m : ExecutionMode.values())
2862		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2863	<	for (Integer v1 : new Integer[] { 1, null }) {
2864	<
2863	>	for (Integer v1 : new Integer[] { 1, null })
2864	>	{
2865		final CompletableFuture<Integer> f = new CompletableFuture<>();
2866		final CompletableFuture<Integer> g = new CompletableFuture<>();
2867	<	final Noop r = new Noop();
2867	>	final Noop[] rs = new Noop[6];
2868	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2869
2870	<	assertTrue(f.cancel(mayInterruptIfRunning));
2871	<	g.complete(v1);
2872	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2870	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2871	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2872	>	checkIncomplete(h0);
2873	>	checkIncomplete(h1);
2874	>	rs[0].assertNotInvoked();
2875	>	rs[1].assertNotInvoked();
2876	>	f.cancel(mayInterruptIfRunning);
2877	>	checkCompletedWithWrappedCancellationException(h0);
2878	>	checkCompletedWithWrappedCancellationException(h1);
2879	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2880	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2881	>	checkCompletedWithWrappedCancellationException(h2);
2882	>	checkCompletedWithWrappedCancellationException(h3);
2883	>
2884	>	assertTrue(g.complete(v1));
2885	>
2886	>	// unspecified behavior - both source completions available
2887	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2888	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2889	>	try {
2890	>	assertNull(h4.join());
2891	>	rs[4].assertInvoked();
2892	>	} catch (CompletionException ok) {
2893	>	checkCompletedWithWrappedCancellationException(h4);
2894	>	rs[4].assertNotInvoked();
2895	>	}
2896	>	try {
2897	>	assertNull(h5.join());
2898	>	rs[5].assertInvoked();
2899	>	} catch (CompletionException ok) {
2900	>	checkCompletedWithWrappedCancellationException(h5);
2901	>	rs[5].assertNotInvoked();
2902	>	}
2903
1712	–	checkCompletedWithWrappedCancellationException(h);
2904		checkCancelled(f);
1714	–	assertFalse(r.ran);
2905		checkCompletedNormally(g, v1);
2906	<	}
2907	<	}
2908	<
2909	<	/**
2910	<	* applyToEither result completes normally after normal completion
2911	<	* of either source
1722	<	*/
1723	<	public void testApplyToEither() {
1724	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1725	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1726	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1727	<	f.complete(one);
1728	<	checkCompletedNormally(g, two);
1729	<	f2.complete(one);
1730	<	checkCompletedNormally(g, two);
1731	<
1732	<	f = new CompletableFuture<>();
1733	<	f.complete(one);
1734	<	f2 = new CompletableFuture<>();
1735	<	g = f.applyToEither(f2, inc);
1736	<	checkCompletedNormally(g, two);
1737	<	}
1738	<
1739	<	/**
1740	<	* applyToEither result completes exceptionally after exceptional
1741	<	* completion of either source
1742	<	*/
1743	<	public void testApplyToEither2() {
1744	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1745	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1746	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1747	<	f.completeExceptionally(new CFException());
1748	<	f2.complete(one);
1749	<	checkCompletedWithWrappedCFException(g);
1750	<
1751	<	f = new CompletableFuture<>();
1752	<	f2 = new CompletableFuture<>();
1753	<	f2.completeExceptionally(new CFException());
1754	<	g = f.applyToEither(f2, inc);
1755	<	checkCompletedWithWrappedCFException(g);
1756	<	}
1757	<
1758	<	/**
1759	<	* applyToEither result completes exceptionally if action does
1760	<	*/
1761	<	public void testApplyToEither3() {
1762	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1763	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1764	<	FailingFunction r = new FailingFunction();
1765	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
1766	<	f2.complete(two);
1767	<	checkCompletedWithWrappedCFException(g);
1768	<	}
1769	<
1770	<	/**
1771	<	* applyToEither result completes exceptionally if either source cancelled
1772	<	*/
1773	<	public void testApplyToEither4() {
1774	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1775	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1776	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1777	<	assertTrue(f.cancel(true));
1778	<	checkCompletedWithWrappedCancellationException(g);
1779	<	f = new CompletableFuture<>();
1780	<	f2 = new CompletableFuture<>();
1781	<	assertTrue(f2.cancel(true));
1782	<	checkCompletedWithWrappedCancellationException(g);
1783	<	}
1784	<
1785	<	/**
1786	<	* acceptEither result completes normally after normal completion
1787	<	* of either source
1788	<	*/
1789	<	public void testAcceptEither() {
1790	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1791	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1792	<	IncAction r = new IncAction();
1793	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1794	<	f.complete(one);
1795	<	checkCompletedNormally(g, null);
1796	<	f2.complete(one);
1797	<	checkCompletedNormally(g, null);
1798	<	assertEquals(r.value, 2);
1799	<
1800	<	r = new IncAction();
1801	<	f = new CompletableFuture<>();
1802	<	f.complete(one);
1803	<	f2 = new CompletableFuture<>();
1804	<	g = f.acceptEither(f2, r);
1805	<	checkCompletedNormally(g, null);
1806	<	assertEquals(r.value, 2);
1807	<	}
1808	<
1809	<	/**
1810	<	* acceptEither result completes exceptionally after exceptional
1811	<	* completion of either source
1812	<	*/
1813	<	public void testAcceptEither2() {
1814	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1815	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1816	<	IncAction r = new IncAction();
1817	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1818	<	f.completeExceptionally(new CFException());
1819	<	f2.complete(one);
1820	<	checkCompletedWithWrappedCFException(g);
1821	<
1822	<	r = new IncAction();
1823	<	f = new CompletableFuture<>();
1824	<	f2 = new CompletableFuture<>();
1825	<	f2.completeExceptionally(new CFException());
1826	<	g = f.acceptEither(f2, r);
1827	<	checkCompletedWithWrappedCFException(g);
1828	<	}
1829	<
1830	<	/**
1831	<	* acceptEither result completes exceptionally if action does
1832	<	*/
1833	<	public void testAcceptEither3() {
1834	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1835	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1836	<	FailingConsumer r = new FailingConsumer();
1837	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1838	<	f2.complete(two);
1839	<	checkCompletedWithWrappedCFException(g);
1840	<	}
1841	<
1842	<	/**
1843	<	* acceptEither result completes exceptionally if either source cancelled
1844	<	*/
1845	<	public void testAcceptEither4() {
1846	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1847	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1848	<	IncAction r = new IncAction();
1849	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1850	<	assertTrue(f.cancel(true));
1851	<	checkCompletedWithWrappedCancellationException(g);
1852	<	f = new CompletableFuture<>();
1853	<	f2 = new CompletableFuture<>();
1854	<	assertTrue(f2.cancel(true));
1855	<	checkCompletedWithWrappedCancellationException(g);
1856	<	}
1857	<
1858	<	/**
1859	<	* runAfterEither result completes normally after normal completion
1860	<	* of either source
1861	<	*/
1862	<	public void testRunAfterEither() {
1863	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1864	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1865	<	Noop r = new Noop();
1866	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1867	<	f.complete(one);
1868	<	checkCompletedNormally(g, null);
1869	<	f2.complete(one);
1870	<	checkCompletedNormally(g, null);
1871	<	assertTrue(r.ran);
1872	<
1873	<	r = new Noop();
1874	<	f = new CompletableFuture<>();
1875	<	f.complete(one);
1876	<	f2 = new CompletableFuture<>();
1877	<	g = f.runAfterEither(f2, r);
1878	<	checkCompletedNormally(g, null);
1879	<	assertTrue(r.ran);
1880	<	}
1881	<
1882	<	/**
1883	<	* runAfterEither result completes exceptionally after exceptional
1884	<	* completion of either source
1885	<	*/
1886	<	public void testRunAfterEither2() {
1887	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1888	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1889	<	Noop r = new Noop();
1890	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1891	<	f.completeExceptionally(new CFException());
1892	<	f2.complete(one);
1893	<	checkCompletedWithWrappedCFException(g);
1894	<
1895	<	r = new Noop();
1896	<	f = new CompletableFuture<>();
1897	<	f2 = new CompletableFuture<>();
1898	<	f2.completeExceptionally(new CFException());
1899	<	g = f.runAfterEither(f2, r);
1900	<	checkCompletedWithWrappedCFException(g);
1901	<	}
2906	>	checkCompletedWithWrappedCancellationException(h0);
2907	>	checkCompletedWithWrappedCancellationException(h1);
2908	>	checkCompletedWithWrappedCancellationException(h2);
2909	>	checkCompletedWithWrappedCancellationException(h3);
2910	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2911	>	}}
2912
2913		/**
2914		* runAfterEither result completes exceptionally if action does
2915		*/
2916	<	public void testRunAfterEither3() {
2917	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2918	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2919	<	FailingNoop r = new FailingNoop();
2920	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2921	<	f2.complete(two);
2922	<	checkCompletedWithWrappedCFException(g);
2923	<	}
2916	>	public void testRunAfterEither_actionFailed() {
2917	>	for (ExecutionMode m : ExecutionMode.values())
2918	>	for (Integer v1 : new Integer[] { 1, null })
2919	>	for (Integer v2 : new Integer[] { 2, null })
2920	>	{
2921	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2922	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2923	>	final FailingRunnable[] rs = new FailingRunnable[6];
2924	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2925
2926	<	/**
2927	<	* runAfterEither result completes exceptionally if either source cancelled
2928	<	*/
2929	<	public void testRunAfterEither4() {
2930	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2931	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2932	<	Noop r = new Noop();
2933	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2934	<	assertTrue(f.cancel(true));
2935	<	checkCompletedWithWrappedCancellationException(g);
2936	<	f = new CompletableFuture<>();
2937	<	f2 = new CompletableFuture<>();
2938	<	assertTrue(f2.cancel(true));
2939	<	checkCompletedWithWrappedCancellationException(g);
2940	<	}
2926	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2927	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2928	>	assertTrue(f.complete(v1));
2929	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2930	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2931	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2932	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2933	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2934	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2935	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2936	>	assertTrue(g.complete(v2));
2937	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2938	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2939	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2940	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2941	>
2942	>	checkCompletedNormally(f, v1);
2943	>	checkCompletedNormally(g, v2);
2944	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2945	>	}}
2946
2947		/**
2948		* thenCompose result completes normally after normal completion of source
2949		*/
2950	<	public void testThenCompose() {
2951	<	CompletableFuture<Integer> f, g;
2952	<	CompletableFutureInc r;
2953	<
2954	<	f = new CompletableFuture<>();
2955	<	g = f.thenCompose(r = new CompletableFutureInc());
2956	<	f.complete(one);
2957	<	checkCompletedNormally(g, two);
2958	<	assertTrue(r.ran);
2950	>	public void testThenCompose_normalCompletion() {
2951	>	for (ExecutionMode m : ExecutionMode.values())
2952	>	for (boolean createIncomplete : new boolean[] { true, false })
2953	>	for (Integer v1 : new Integer[] { 1, null })
2954	>	{
2955	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2956	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2957	>	if (!createIncomplete) assertTrue(f.complete(v1));
2958	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2959	>	if (createIncomplete) assertTrue(f.complete(v1));
2960
2961	<	f = new CompletableFuture<>();
2962	<	f.complete(one);
2963	<	g = f.thenCompose(r = new CompletableFutureInc());
2964	<	checkCompletedNormally(g, two);
1948	<	assertTrue(r.ran);
1949	<	}
2961	>	checkCompletedNormally(g, inc(v1));
2962	>	checkCompletedNormally(f, v1);
2963	>	r.assertValue(v1);
2964	>	}}
2965
2966		/**
2967		* thenCompose result completes exceptionally after exceptional
2968		* completion of source
2969		*/
2970	<	public void testThenCompose2() {
2971	<	CompletableFuture<Integer> f, g;
2972	<	CompletableFutureInc r;
2973	<
2974	<	f = new CompletableFuture<>();
2975	<	g = f.thenCompose(r = new CompletableFutureInc());
2976	<	f.completeExceptionally(new CFException());
2977	<	checkCompletedWithWrappedCFException(g);
2978	<
2979	<	f = new CompletableFuture<>();
2980	<	f.completeExceptionally(new CFException());
2981	<	g = f.thenCompose(r = new CompletableFutureInc());
2982	<	checkCompletedWithWrappedCFException(g);
2983	<	}
2970	>	public void testThenCompose_exceptionalCompletion() {
2971	>	for (ExecutionMode m : ExecutionMode.values())
2972	>	for (boolean createIncomplete : new boolean[] { true, false })
2973	>	{
2974	>	final CFException ex = new CFException();
2975	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2976	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2977	>	if (!createIncomplete) f.completeExceptionally(ex);
2978	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2979	>	if (createIncomplete) f.completeExceptionally(ex);
2980	>
2981	>	checkCompletedWithWrappedException(g, ex);
2982	>	checkCompletedExceptionally(f, ex);
2983	>	r.assertNotInvoked();
2984	>	}}
2985
2986		/**
2987		* thenCompose result completes exceptionally if action does
2988		*/
2989	<	public void testThenCompose3() {
2990	<	CompletableFuture<Integer> f, g;
2991	<	FailingCompletableFutureFunction r;
2992	<
2993	<	f = new CompletableFuture<>();
2994	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2995	<	f.complete(one);
2996	<	checkCompletedWithWrappedCFException(g);
2989	>	public void testThenCompose_actionFailed() {
2990	>	for (ExecutionMode m : ExecutionMode.values())
2991	>	for (boolean createIncomplete : new boolean[] { true, false })
2992	>	for (Integer v1 : new Integer[] { 1, null })
2993	>	{
2994	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2995	>	final FailingCompletableFutureFunction r
2996	>	= new FailingCompletableFutureFunction(m);
2997	>	if (!createIncomplete) assertTrue(f.complete(v1));
2998	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2999	>	if (createIncomplete) assertTrue(f.complete(v1));
3000
3001	<	f = new CompletableFuture<>();
3002	<	f.complete(one);
3003	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1985	<	checkCompletedWithWrappedCFException(g);
1986	<	}
3001	>	checkCompletedWithWrappedException(g, r.ex);
3002	>	checkCompletedNormally(f, v1);
3003	>	}}
3004
3005		/**
3006		* thenCompose result completes exceptionally if source cancelled
3007		*/
3008	<	public void testThenCompose4() {
3009	<	CompletableFuture<Integer> f, g;
3010	<	CompletableFutureInc r;
3011	<
3012	<	f = new CompletableFuture<>();
3013	<	g = f.thenCompose(r = new CompletableFutureInc());
3014	<	assertTrue(f.cancel(true));
3015	<	checkCompletedWithWrappedCancellationException(g);
3016	<
3017	<	f = new CompletableFuture<>();
3018	<	assertTrue(f.cancel(true));
3019	<	g = f.thenCompose(r = new CompletableFutureInc());
3020	<	checkCompletedWithWrappedCancellationException(g);
2004	<	}
2005	<
2006	<	// asyncs
2007	<
2008	<	/**
2009	<	* thenRunAsync result completes normally after normal completion of source
2010	<	*/
2011	<	public void testThenRunAsync() {
2012	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2013	<	Noop r = new Noop();
2014	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2015	<	f.complete(null);
2016	<	checkCompletedNormally(g, null);
2017	<
2018	<	// reordered version
2019	<	f = new CompletableFuture<>();
2020	<	f.complete(null);
2021	<	r = new Noop();
2022	<	g = f.thenRunAsync(r);
2023	<	checkCompletedNormally(g, null);
2024	<	}
2025	<
2026	<	/**
2027	<	* thenRunAsync result completes exceptionally after exceptional
2028	<	* completion of source
2029	<	*/
2030	<	public void testThenRunAsync2() {
2031	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2032	<	Noop r = new Noop();
2033	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2034	<	f.completeExceptionally(new CFException());
2035	<	try {
2036	<	g.join();
2037	<	shouldThrow();
2038	<	} catch (CompletionException success) {}
2039	<	checkCompletedWithWrappedCFException(g);
2040	<	}
2041	<
2042	<	/**
2043	<	* thenRunAsync result completes exceptionally if action does
2044	<	*/
2045	<	public void testThenRunAsync3() {
2046	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2047	<	FailingNoop r = new FailingNoop();
2048	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2049	<	f.complete(null);
2050	<	checkCompletedWithWrappedCFException(g);
2051	<	}
2052	<
2053	<	/**
2054	<	* thenRunAsync result completes exceptionally if source cancelled
2055	<	*/
2056	<	public void testThenRunAsync4() {
2057	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2058	<	Noop r = new Noop();
2059	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2060	<	assertTrue(f.cancel(true));
2061	<	checkCompletedWithWrappedCancellationException(g);
2062	<	}
2063	<
2064	<	/**
2065	<	* thenApplyAsync result completes normally after normal completion of source
2066	<	*/
2067	<	public void testThenApplyAsync() {
2068	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2069	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2070	<	f.complete(one);
2071	<	checkCompletedNormally(g, two);
2072	<	}
2073	<
2074	<	/**
2075	<	* thenApplyAsync result completes exceptionally after exceptional
2076	<	* completion of source
2077	<	*/
2078	<	public void testThenApplyAsync2() {
2079	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2080	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2081	<	f.completeExceptionally(new CFException());
2082	<	checkCompletedWithWrappedCFException(g);
2083	<	}
2084	<
2085	<	/**
2086	<	* thenApplyAsync result completes exceptionally if action does
2087	<	*/
2088	<	public void testThenApplyAsync3() {
2089	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2090	<	FailingFunction r = new FailingFunction();
2091	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
2092	<	f.complete(null);
2093	<	checkCompletedWithWrappedCFException(g);
2094	<	}
2095	<
2096	<	/**
2097	<	* thenApplyAsync result completes exceptionally if source cancelled
2098	<	*/
2099	<	public void testThenApplyAsync4() {
2100	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2101	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2102	<	assertTrue(f.cancel(true));
2103	<	checkCompletedWithWrappedCancellationException(g);
2104	<	}
2105	<
2106	<	/**
2107	<	* thenAcceptAsync result completes normally after normal
2108	<	* completion of source
2109	<	*/
2110	<	public void testThenAcceptAsync() {
2111	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2112	<	IncAction r = new IncAction();
2113	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2114	<	f.complete(one);
2115	<	checkCompletedNormally(g, null);
2116	<	assertEquals(r.value, 2);
2117	<	}
2118	<
2119	<	/**
2120	<	* thenAcceptAsync result completes exceptionally after exceptional
2121	<	* completion of source
2122	<	*/
2123	<	public void testThenAcceptAsync2() {
2124	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2125	<	IncAction r = new IncAction();
2126	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2127	<	f.completeExceptionally(new CFException());
2128	<	checkCompletedWithWrappedCFException(g);
2129	<	}
2130	<
2131	<	/**
2132	<	* thenAcceptAsync result completes exceptionally if action does
2133	<	*/
2134	<	public void testThenAcceptAsync3() {
2135	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2136	<	FailingConsumer r = new FailingConsumer();
2137	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2138	<	f.complete(null);
2139	<	checkCompletedWithWrappedCFException(g);
2140	<	}
2141	<
2142	<	/**
2143	<	* thenAcceptAsync result completes exceptionally if source cancelled
2144	<	*/
2145	<	public void testThenAcceptAsync4() {
2146	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2147	<	IncAction r = new IncAction();
2148	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2149	<	assertTrue(f.cancel(true));
2150	<	checkCompletedWithWrappedCancellationException(g);
2151	<	}
2152	<
2153	<	/**
2154	<	* applyToEitherAsync result completes normally after normal
2155	<	* completion of sources
2156	<	*/
2157	<	public void testApplyToEitherAsync() {
2158	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2159	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2160	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2161	<	f.complete(one);
2162	<	checkCompletedNormally(g, two);
2163	<
2164	<	f = new CompletableFuture<>();
2165	<	f.complete(one);
2166	<	f2 = new CompletableFuture<>();
2167	<	g = f.applyToEitherAsync(f2, inc);
2168	<	checkCompletedNormally(g, two);
2169	<	}
2170	<
2171	<	/**
2172	<	* applyToEitherAsync result completes exceptionally after exceptional
2173	<	* completion of source
2174	<	*/
2175	<	public void testApplyToEitherAsync2() {
2176	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2177	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2178	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2179	<	f.completeExceptionally(new CFException());
2180	<	checkCompletedWithWrappedCFException(g);
2181	<
2182	<	f = new CompletableFuture<>();
2183	<	f2 = new CompletableFuture<>();
2184	<	f2.completeExceptionally(new CFException());
2185	<	g = f.applyToEitherAsync(f2, inc);
2186	<	f.complete(one);
2187	<	checkCompletedWithWrappedCFException(g);
2188	<	}
2189	<
2190	<	/**
2191	<	* applyToEitherAsync result completes exceptionally if action does
2192	<	*/
2193	<	public void testApplyToEitherAsync3() {
2194	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2195	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2196	<	FailingFunction r = new FailingFunction();
2197	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
2198	<	f.complete(one);
2199	<	checkCompletedWithWrappedCFException(g);
2200	<	}
2201	<
2202	<	/**
2203	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2204	<	*/
2205	<	public void testApplyToEitherAsync4() {
2206	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2207	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2208	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2209	<	assertTrue(f.cancel(true));
2210	<	checkCompletedWithWrappedCancellationException(g);
2211	<
2212	<	f = new CompletableFuture<>();
2213	<	f2 = new CompletableFuture<>();
2214	<	assertTrue(f2.cancel(true));
2215	<	g = f.applyToEitherAsync(f2, inc);
2216	<	checkCompletedWithWrappedCancellationException(g);
2217	<	}
2218	<
2219	<	/**
2220	<	* acceptEitherAsync result completes normally after normal
2221	<	* completion of sources
2222	<	*/
2223	<	public void testAcceptEitherAsync() {
2224	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2225	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2226	<	IncAction r = new IncAction();
2227	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2228	<	f.complete(one);
2229	<	checkCompletedNormally(g, null);
2230	<	assertEquals(r.value, 2);
2231	<
2232	<	r = new IncAction();
2233	<	f = new CompletableFuture<>();
2234	<	f.complete(one);
2235	<	f2 = new CompletableFuture<>();
2236	<	g = f.acceptEitherAsync(f2, r);
2237	<	checkCompletedNormally(g, null);
2238	<	assertEquals(r.value, 2);
2239	<	}
2240	<
2241	<	/**
2242	<	* acceptEitherAsync result completes exceptionally after exceptional
2243	<	* completion of source
2244	<	*/
2245	<	public void testAcceptEitherAsync2() {
2246	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2247	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2248	<	IncAction r = new IncAction();
2249	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2250	<	f.completeExceptionally(new CFException());
2251	<	checkCompletedWithWrappedCFException(g);
2252	<
2253	<	r = new IncAction();
2254	<	f = new CompletableFuture<>();
2255	<	f2 = new CompletableFuture<>();
2256	<	f2.completeExceptionally(new CFException());
2257	<	g = f.acceptEitherAsync(f2, r);
2258	<	f.complete(one);
2259	<	checkCompletedWithWrappedCFException(g);
2260	<	}
2261	<
2262	<	/**
2263	<	* acceptEitherAsync result completes exceptionally if action does
2264	<	*/
2265	<	public void testAcceptEitherAsync3() {
2266	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2267	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2268	<	FailingConsumer r = new FailingConsumer();
2269	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2270	<	f.complete(one);
2271	<	checkCompletedWithWrappedCFException(g);
2272	<	}
2273	<
2274	<	/**
2275	<	* acceptEitherAsync result completes exceptionally if either
2276	<	* source cancelled
2277	<	*/
2278	<	public void testAcceptEitherAsync4() {
2279	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2280	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2281	<	IncAction r = new IncAction();
2282	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2283	<	assertTrue(f.cancel(true));
2284	<	checkCompletedWithWrappedCancellationException(g);
2285	<
2286	<	r = new IncAction();
2287	<	f = new CompletableFuture<>();
2288	<	f2 = new CompletableFuture<>();
2289	<	assertTrue(f2.cancel(true));
2290	<	g = f.acceptEitherAsync(f2, r);
2291	<	checkCompletedWithWrappedCancellationException(g);
2292	<	}
2293	<
2294	<	/**
2295	<	* runAfterEitherAsync result completes normally after normal
2296	<	* completion of sources
2297	<	*/
2298	<	public void testRunAfterEitherAsync() {
2299	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2300	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2301	<	Noop r = new Noop();
2302	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2303	<	f.complete(one);
2304	<	checkCompletedNormally(g, null);
2305	<	assertTrue(r.ran);
2306	<
2307	<	r = new Noop();
2308	<	f = new CompletableFuture<>();
2309	<	f.complete(one);
2310	<	f2 = new CompletableFuture<>();
2311	<	g = f.runAfterEitherAsync(f2, r);
2312	<	checkCompletedNormally(g, null);
2313	<	assertTrue(r.ran);
2314	<	}
2315	<
2316	<	/**
2317	<	* runAfterEitherAsync result completes exceptionally after exceptional
2318	<	* completion of source
2319	<	*/
2320	<	public void testRunAfterEitherAsync2() {
2321	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2322	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2323	<	Noop r = new Noop();
2324	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2325	<	f.completeExceptionally(new CFException());
2326	<	checkCompletedWithWrappedCFException(g);
2327	<
2328	<	r = new Noop();
2329	<	f = new CompletableFuture<>();
2330	<	f2 = new CompletableFuture<>();
2331	<	f2.completeExceptionally(new CFException());
2332	<	g = f.runAfterEitherAsync(f2, r);
2333	<	f.complete(one);
2334	<	checkCompletedWithWrappedCFException(g);
2335	<	}
2336	<
2337	<	/**
2338	<	* runAfterEitherAsync result completes exceptionally if action does
2339	<	*/
2340	<	public void testRunAfterEitherAsync3() {
2341	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2342	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2343	<	FailingNoop r = new FailingNoop();
2344	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2345	<	f.complete(one);
2346	<	checkCompletedWithWrappedCFException(g);
2347	<	}
2348	<
2349	<	/**
2350	<	* runAfterEitherAsync result completes exceptionally if either
2351	<	* source cancelled
2352	<	*/
2353	<	public void testRunAfterEitherAsync4() {
2354	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2355	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2356	<	Noop r = new Noop();
2357	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2358	<	assertTrue(f.cancel(true));
2359	<	checkCompletedWithWrappedCancellationException(g);
2360	<
2361	<	r = new Noop();
2362	<	f = new CompletableFuture<>();
2363	<	f2 = new CompletableFuture<>();
2364	<	assertTrue(f2.cancel(true));
2365	<	g = f.runAfterEitherAsync(f2, r);
2366	<	checkCompletedWithWrappedCancellationException(g);
2367	<	}
2368	<
2369	<	/**
2370	<	* thenComposeAsync result completes normally after normal
2371	<	* completion of source
2372	<	*/
2373	<	public void testThenComposeAsync() {
2374	<	CompletableFuture<Integer> f, g;
2375	<	CompletableFutureInc r;
2376	<
2377	<	f = new CompletableFuture<>();
2378	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2379	<	f.complete(one);
2380	<	checkCompletedNormally(g, two);
2381	<
2382	<	f = new CompletableFuture<>();
2383	<	f.complete(one);
2384	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2385	<	checkCompletedNormally(g, two);
2386	<	}
2387	<
2388	<	/**
2389	<	* thenComposeAsync result completes exceptionally after
2390	<	* exceptional completion of source
2391	<	*/
2392	<	public void testThenComposeAsync2() {
2393	<	CompletableFuture<Integer> f, g;
2394	<	CompletableFutureInc r;
2395	<
2396	<	f = new CompletableFuture<>();
2397	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2398	<	f.completeExceptionally(new CFException());
2399	<	checkCompletedWithWrappedCFException(g);
2400	<	assertFalse(r.ran);
2401	<
2402	<	f = new CompletableFuture<>();
2403	<	f.completeExceptionally(new CFException());
2404	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2405	<	checkCompletedWithWrappedCFException(g);
2406	<	assertFalse(r.ran);
2407	<	}
2408	<
2409	<	/**
2410	<	* thenComposeAsync result completes exceptionally if action does
2411	<	*/
2412	<	public void testThenComposeAsync3() {
2413	<	CompletableFuture<Integer> f, g;
2414	<	FailingCompletableFutureFunction r;
2415	<
2416	<	f = new CompletableFuture<>();
2417	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2418	<	f.complete(one);
2419	<	checkCompletedWithWrappedCFException(g);
2420	<
2421	<	f = new CompletableFuture<>();
2422	<	f.complete(one);
2423	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2424	<	checkCompletedWithWrappedCFException(g);
2425	<	}
2426	<
2427	<	/**
2428	<	* thenComposeAsync result completes exceptionally if source cancelled
2429	<	*/
2430	<	public void testThenComposeAsync4() {
2431	<	CompletableFuture<Integer> f, g;
2432	<	CompletableFutureInc r;
2433	<
2434	<	f = new CompletableFuture<>();
2435	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2436	<	assertTrue(f.cancel(true));
2437	<	checkCompletedWithWrappedCancellationException(g);
2438	<
2439	<	f = new CompletableFuture<>();
2440	<	assertTrue(f.cancel(true));
2441	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2442	<	checkCompletedWithWrappedCancellationException(g);
2443	<	}
2444	<
2445	<	// async with explicit executors
2446	<
2447	<	/**
2448	<	* thenRunAsync result completes normally after normal completion of source
2449	<	*/
2450	<	public void testThenRunAsyncE() {
2451	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2452	<	Noop r = new Noop();
2453	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2454	<	f.complete(null);
2455	<	checkCompletedNormally(g, null);
2456	<
2457	<	// reordered version
2458	<	f = new CompletableFuture<>();
2459	<	f.complete(null);
2460	<	r = new Noop();
2461	<	g = f.thenRunAsync(r, new ThreadExecutor());
2462	<	checkCompletedNormally(g, null);
2463	<	}
2464	<
2465	<	/**
2466	<	* thenRunAsync result completes exceptionally after exceptional
2467	<	* completion of source
2468	<	*/
2469	<	public void testThenRunAsync2E() {
2470	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2471	<	Noop r = new Noop();
2472	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2473	<	f.completeExceptionally(new CFException());
2474	<	try {
2475	<	g.join();
2476	<	shouldThrow();
2477	<	} catch (CompletionException success) {}
2478	<	checkCompletedWithWrappedCFException(g);
2479	<	}
2480	<
2481	<	/**
2482	<	* thenRunAsync result completes exceptionally if action does
2483	<	*/
2484	<	public void testThenRunAsync3E() {
2485	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2486	<	FailingNoop r = new FailingNoop();
2487	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2488	<	f.complete(null);
2489	<	checkCompletedWithWrappedCFException(g);
2490	<	}
2491	<
2492	<	/**
2493	<	* thenRunAsync result completes exceptionally if source cancelled
2494	<	*/
2495	<	public void testThenRunAsync4E() {
2496	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2497	<	Noop r = new Noop();
2498	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2499	<	assertTrue(f.cancel(true));
2500	<	checkCompletedWithWrappedCancellationException(g);
2501	<	}
2502	<
2503	<	/**
2504	<	* thenApplyAsync result completes normally after normal completion of source
2505	<	*/
2506	<	public void testThenApplyAsyncE() {
2507	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2508	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2509	<	f.complete(one);
2510	<	checkCompletedNormally(g, two);
2511	<	}
2512	<
2513	<	/**
2514	<	* thenApplyAsync result completes exceptionally after exceptional
2515	<	* completion of source
2516	<	*/
2517	<	public void testThenApplyAsync2E() {
2518	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2519	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2520	<	f.completeExceptionally(new CFException());
2521	<	checkCompletedWithWrappedCFException(g);
2522	<	}
2523	<
2524	<	/**
2525	<	* thenApplyAsync result completes exceptionally if action does
2526	<	*/
2527	<	public void testThenApplyAsync3E() {
2528	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2529	<	FailingFunction r = new FailingFunction();
2530	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2531	<	f.complete(null);
2532	<	checkCompletedWithWrappedCFException(g);
2533	<	}
2534	<
2535	<	/**
2536	<	* thenApplyAsync result completes exceptionally if source cancelled
2537	<	*/
2538	<	public void testThenApplyAsync4E() {
2539	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2540	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2541	<	assertTrue(f.cancel(true));
2542	<	checkCompletedWithWrappedCancellationException(g);
2543	<	}
2544	<
2545	<	/**
2546	<	* thenAcceptAsync result completes normally after normal
2547	<	* completion of source
2548	<	*/
2549	<	public void testThenAcceptAsyncE() {
2550	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2551	<	IncAction r = new IncAction();
2552	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2553	<	f.complete(one);
2554	<	checkCompletedNormally(g, null);
2555	<	assertEquals(r.value, 2);
2556	<	}
2557	<
2558	<	/**
2559	<	* thenAcceptAsync result completes exceptionally after exceptional
2560	<	* completion of source
2561	<	*/
2562	<	public void testThenAcceptAsync2E() {
2563	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2564	<	IncAction r = new IncAction();
2565	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2566	<	f.completeExceptionally(new CFException());
2567	<	checkCompletedWithWrappedCFException(g);
2568	<	}
2569	<
2570	<	/**
2571	<	* thenAcceptAsync result completes exceptionally if action does
2572	<	*/
2573	<	public void testThenAcceptAsync3E() {
2574	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2575	<	FailingConsumer r = new FailingConsumer();
2576	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2577	<	f.complete(null);
2578	<	checkCompletedWithWrappedCFException(g);
2579	<	}
2580	<
2581	<	/**
2582	<	* thenAcceptAsync result completes exceptionally if source cancelled
2583	<	*/
2584	<	public void testThenAcceptAsync4E() {
2585	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2586	<	IncAction r = new IncAction();
2587	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2588	<	assertTrue(f.cancel(true));
2589	<	checkCompletedWithWrappedCancellationException(g);
2590	<	}
2591	<
2592	<	/**
2593	<	* applyToEitherAsync result completes normally after normal
2594	<	* completion of sources
2595	<	*/
2596	<	public void testApplyToEitherAsyncE() {
2597	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2598	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2599	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2600	<	f.complete(one);
2601	<	checkCompletedNormally(g, two);
2602	<
2603	<	f = new CompletableFuture<>();
2604	<	f.complete(one);
2605	<	f2 = new CompletableFuture<>();
2606	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2607	<	checkCompletedNormally(g, two);
2608	<	}
2609	<
2610	<	/**
2611	<	* applyToEitherAsync result completes exceptionally after exceptional
2612	<	* completion of source
2613	<	*/
2614	<	public void testApplyToEitherAsync2E() {
2615	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2616	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2617	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2618	<	f.completeExceptionally(new CFException());
2619	<	checkCompletedWithWrappedCFException(g);
2620	<
2621	<	f = new CompletableFuture<>();
2622	<	f2 = new CompletableFuture<>();
2623	<	f2.completeExceptionally(new CFException());
2624	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2625	<	f.complete(one);
2626	<	checkCompletedWithWrappedCFException(g);
2627	<	}
2628	<
2629	<	/**
2630	<	* applyToEitherAsync result completes exceptionally if action does
2631	<	*/
2632	<	public void testApplyToEitherAsync3E() {
2633	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2634	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2635	<	FailingFunction r = new FailingFunction();
2636	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2637	<	f.complete(one);
2638	<	checkCompletedWithWrappedCFException(g);
2639	<	}
2640	<
2641	<	/**
2642	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2643	<	*/
2644	<	public void testApplyToEitherAsync4E() {
2645	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2646	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2647	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2648	<	assertTrue(f.cancel(true));
2649	<	checkCompletedWithWrappedCancellationException(g);
2650	<
2651	<	f = new CompletableFuture<>();
2652	<	f2 = new CompletableFuture<>();
2653	<	assertTrue(f2.cancel(true));
2654	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2655	<	checkCompletedWithWrappedCancellationException(g);
2656	<	}
2657	<
2658	<	/**
2659	<	* acceptEitherAsync result completes normally after normal
2660	<	* completion of sources
2661	<	*/
2662	<	public void testAcceptEitherAsyncE() {
2663	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2664	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2665	<	IncAction r = new IncAction();
2666	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2667	<	f.complete(one);
2668	<	checkCompletedNormally(g, null);
2669	<	assertEquals(r.value, 2);
2670	<
2671	<	r = new IncAction();
2672	<	f = new CompletableFuture<>();
2673	<	f.complete(one);
2674	<	f2 = new CompletableFuture<>();
2675	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2676	<	checkCompletedNormally(g, null);
2677	<	assertEquals(r.value, 2);
2678	<	}
2679	<
2680	<	/**
2681	<	* acceptEitherAsync result completes exceptionally after exceptional
2682	<	* completion of source
2683	<	*/
2684	<	public void testAcceptEitherAsync2E() {
2685	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2686	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2687	<	IncAction r = new IncAction();
2688	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2689	<	f.completeExceptionally(new CFException());
2690	<	checkCompletedWithWrappedCFException(g);
2691	<
2692	<	r = new IncAction();
2693	<	f = new CompletableFuture<>();
2694	<	f2 = new CompletableFuture<>();
2695	<	f2.completeExceptionally(new CFException());
2696	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2697	<	f.complete(one);
2698	<	checkCompletedWithWrappedCFException(g);
2699	<	}
2700	<
2701	<	/**
2702	<	* acceptEitherAsync result completes exceptionally if action does
2703	<	*/
2704	<	public void testAcceptEitherAsync3E() {
2705	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2706	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2707	<	FailingConsumer r = new FailingConsumer();
2708	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2709	<	f.complete(one);
2710	<	checkCompletedWithWrappedCFException(g);
2711	<	}
2712	<
2713	<	/**
2714	<	* acceptEitherAsync result completes exceptionally if either
2715	<	* source cancelled
2716	<	*/
2717	<	public void testAcceptEitherAsync4E() {
2718	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2719	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2720	<	IncAction r = new IncAction();
2721	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2722	<	assertTrue(f.cancel(true));
2723	<	checkCompletedWithWrappedCancellationException(g);
2724	<
2725	<	r = new IncAction();
2726	<	f = new CompletableFuture<>();
2727	<	f2 = new CompletableFuture<>();
2728	<	assertTrue(f2.cancel(true));
2729	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2730	<	checkCompletedWithWrappedCancellationException(g);
2731	<	}
2732	<
2733	<	/**
2734	<	* runAfterEitherAsync result completes normally after normal
2735	<	* completion of sources
2736	<	*/
2737	<	public void testRunAfterEitherAsyncE() {
2738	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2739	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2740	<	Noop r = new Noop();
2741	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2742	<	f.complete(one);
2743	<	checkCompletedNormally(g, null);
2744	<	assertTrue(r.ran);
2745	<
2746	<	r = new Noop();
2747	<	f = new CompletableFuture<>();
2748	<	f.complete(one);
2749	<	f2 = new CompletableFuture<>();
2750	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2751	<	checkCompletedNormally(g, null);
2752	<	assertTrue(r.ran);
2753	<	}
2754	<
2755	<	/**
2756	<	* runAfterEitherAsync result completes exceptionally after exceptional
2757	<	* completion of source
2758	<	*/
2759	<	public void testRunAfterEitherAsync2E() {
2760	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2761	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2762	<	Noop r = new Noop();
2763	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2764	<	f.completeExceptionally(new CFException());
2765	<	checkCompletedWithWrappedCFException(g);
2766	<
2767	<	r = new Noop();
2768	<	f = new CompletableFuture<>();
2769	<	f2 = new CompletableFuture<>();
2770	<	f2.completeExceptionally(new CFException());
2771	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2772	<	f.complete(one);
2773	<	checkCompletedWithWrappedCFException(g);
2774	<	}
2775	<
2776	<	/**
2777	<	* runAfterEitherAsync result completes exceptionally if action does
2778	<	*/
2779	<	public void testRunAfterEitherAsync3E() {
2780	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2781	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2782	<	FailingNoop r = new FailingNoop();
2783	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2784	<	f.complete(one);
2785	<	checkCompletedWithWrappedCFException(g);
2786	<	}
2787	<
2788	<	/**
2789	<	* runAfterEitherAsync result completes exceptionally if either
2790	<	* source cancelled
2791	<	*/
2792	<	public void testRunAfterEitherAsync4E() {
2793	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2794	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2795	<	Noop r = new Noop();
2796	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2797	<	assertTrue(f.cancel(true));
2798	<	checkCompletedWithWrappedCancellationException(g);
3008	>	public void testThenCompose_sourceCancelled() {
3009	>	for (ExecutionMode m : ExecutionMode.values())
3010	>	for (boolean createIncomplete : new boolean[] { true, false })
3011	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3012	>	{
3013	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3014	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3015	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3016	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3017	>	if (createIncomplete) {
3018	>	checkIncomplete(g);
3019	>	assertTrue(f.cancel(mayInterruptIfRunning));
3020	>	}
3021
2800	–	r = new Noop();
2801	–	f = new CompletableFuture<>();
2802	–	f2 = new CompletableFuture<>();
2803	–	assertTrue(f2.cancel(true));
2804	–	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3022		checkCompletedWithWrappedCancellationException(g);
3023	<	}
3024	<
2808	<	/**
2809	<	* thenComposeAsync result completes normally after normal
2810	<	* completion of source
2811	<	*/
2812	<	public void testThenComposeAsyncE() {
2813	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2814	<	CompletableFutureInc r = new CompletableFutureInc();
2815	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2816	<	f.complete(one);
2817	<	checkCompletedNormally(g, two);
2818	<	}
2819	<
2820	<	/**
2821	<	* thenComposeAsync result completes exceptionally after
2822	<	* exceptional completion of source
2823	<	*/
2824	<	public void testThenComposeAsync2E() {
2825	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2826	<	CompletableFutureInc r = new CompletableFutureInc();
2827	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2828	<	f.completeExceptionally(new CFException());
2829	<	checkCompletedWithWrappedCFException(g);
2830	<	}
3023	>	checkCancelled(f);
3024	>	}}
3025
3026		/**
3027	<	* thenComposeAsync result completes exceptionally if action does
3027	>	* thenCompose result completes exceptionally if the result of the action does
3028		*/
3029	<	public void testThenComposeAsync3E() {
3030	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3031	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3032	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3033	<	f.complete(one);
3034	<	checkCompletedWithWrappedCFException(g);
3035	<	}
3029	>	public void testThenCompose_actionReturnsFailingFuture() {
3030	>	for (ExecutionMode m : ExecutionMode.values())
3031	>	for (int order = 0; order < 6; order++)
3032	>	for (Integer v1 : new Integer[] { 1, null })
3033	>	{
3034	>	final CFException ex = new CFException();
3035	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3036	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3037	>	final CompletableFuture<Integer> h;
3038	>	// Test all permutations of orders
3039	>	switch (order) {
3040	>	case 0:
3041	>	assertTrue(f.complete(v1));
3042	>	assertTrue(g.completeExceptionally(ex));
3043	>	h = m.thenCompose(f, (x -> g));
3044	>	break;
3045	>	case 1:
3046	>	assertTrue(f.complete(v1));
3047	>	h = m.thenCompose(f, (x -> g));
3048	>	assertTrue(g.completeExceptionally(ex));
3049	>	break;
3050	>	case 2:
3051	>	assertTrue(g.completeExceptionally(ex));
3052	>	assertTrue(f.complete(v1));
3053	>	h = m.thenCompose(f, (x -> g));
3054	>	break;
3055	>	case 3:
3056	>	assertTrue(g.completeExceptionally(ex));
3057	>	h = m.thenCompose(f, (x -> g));
3058	>	assertTrue(f.complete(v1));
3059	>	break;
3060	>	case 4:
3061	>	h = m.thenCompose(f, (x -> g));
3062	>	assertTrue(f.complete(v1));
3063	>	assertTrue(g.completeExceptionally(ex));
3064	>	break;
3065	>	case 5:
3066	>	h = m.thenCompose(f, (x -> g));
3067	>	assertTrue(f.complete(v1));
3068	>	assertTrue(g.completeExceptionally(ex));
3069	>	break;
3070	>	default: throw new AssertionError();
3071	>	}
3072
3073	<	/**
3074	<	* thenComposeAsync result completes exceptionally if source cancelled
3075	<	*/
3076	<	public void testThenComposeAsync4E() {
2847	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2848	<	CompletableFutureInc r = new CompletableFutureInc();
2849	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2850	<	assertTrue(f.cancel(true));
2851	<	checkCompletedWithWrappedCancellationException(g);
2852	<	}
3073	>	checkCompletedExceptionally(g, ex);
3074	>	checkCompletedWithWrappedException(h, ex);
3075	>	checkCompletedNormally(f, v1);
3076	>	}}
3077
3078		// other static methods
3079
#	Line 2867 | Line 3091 | public class CompletableFutureTest exten
3091		* when all components complete normally
3092		*/
3093		public void testAllOf_normal() throws Exception {
3094	<	for (int k = 1; k < 20; ++k) {
3095	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3096	<	for (int i = 0; i < k; ++i)
3094	>	for (int k = 1; k < 10; k++) {
3095	>	CompletableFuture<Integer>[] fs
3096	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3097	>	for (int i = 0; i < k; i++)
3098	>	fs[i] = new CompletableFuture<>();
3099	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3100	>	for (int i = 0; i < k; i++) {
3101	>	checkIncomplete(f);
3102	>	checkIncomplete(CompletableFuture.allOf(fs));
3103	>	fs[i].complete(one);
3104	>	}
3105	>	checkCompletedNormally(f, null);
3106	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3107	>	}
3108	>	}
3109	>
3110	>	public void testAllOf_normal_backwards() throws Exception {
3111	>	for (int k = 1; k < 10; k++) {
3112	>	CompletableFuture<Integer>[] fs
3113	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3114	>	for (int i = 0; i < k; i++)
3115		fs[i] = new CompletableFuture<>();
3116		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3117	<	for (int i = 0; i < k; ++i) {
3117	>	for (int i = k - 1; i >= 0; i--) {
3118		checkIncomplete(f);
3119		checkIncomplete(CompletableFuture.allOf(fs));
3120		fs[i].complete(one);
#	Line 2882 | Line 3124 | public class CompletableFutureTest exten
3124		}
3125		}
3126
3127	+	public void testAllOf_exceptional() throws Exception {
3128	+	for (int k = 1; k < 10; k++) {
3129	+	CompletableFuture<Integer>[] fs
3130	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3131	+	CFException ex = new CFException();
3132	+	for (int i = 0; i < k; i++)
3133	+	fs[i] = new CompletableFuture<>();
3134	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3135	+	for (int i = 0; i < k; i++) {
3136	+	checkIncomplete(f);
3137	+	checkIncomplete(CompletableFuture.allOf(fs));
3138	+	if (i != k / 2) {
3139	+	fs[i].complete(i);
3140	+	checkCompletedNormally(fs[i], i);
3141	+	} else {
3142	+	fs[i].completeExceptionally(ex);
3143	+	checkCompletedExceptionally(fs[i], ex);
3144	+	}
3145	+	}
3146	+	checkCompletedWithWrappedException(f, ex);
3147	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3148	+	}
3149	+	}
3150	+
3151		/**
3152		* anyOf(no component futures) returns an incomplete future
3153		*/
3154		public void testAnyOf_empty() throws Exception {
3155	+	for (Integer v1 : new Integer[] { 1, null })
3156	+	{
3157		CompletableFuture<Object> f = CompletableFuture.anyOf();
3158		checkIncomplete(f);
3159	<	}
3159	>
3160	>	f.complete(v1);
3161	>	checkCompletedNormally(f, v1);
3162	>	}}
3163
3164		/**
3165		* anyOf returns a future completed normally with a value when
3166		* a component future does
3167		*/
3168		public void testAnyOf_normal() throws Exception {
3169	<	for (int k = 0; k < 10; ++k) {
3169	>	for (int k = 0; k < 10; k++) {
3170		CompletableFuture[] fs = new CompletableFuture[k];
3171	<	for (int i = 0; i < k; ++i)
3171	>	for (int i = 0; i < k; i++)
3172		fs[i] = new CompletableFuture<>();
3173		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3174		checkIncomplete(f);
3175	<	for (int i = 0; i < k; ++i) {
3176	<	fs[i].complete(one);
3177	<	checkCompletedNormally(f, one);
3178	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3175	>	for (int i = 0; i < k; i++) {
3176	>	fs[i].complete(i);
3177	>	checkCompletedNormally(f, 0);
3178	>	int x = (int) CompletableFuture.anyOf(fs).join();
3179	>	assertTrue(0 <= x && x <= i);
3180	>	}
3181	>	}
3182	>	}
3183	>	public void testAnyOf_normal_backwards() throws Exception {
3184	>	for (int k = 0; k < 10; k++) {
3185	>	CompletableFuture[] fs = new CompletableFuture[k];
3186	>	for (int i = 0; i < k; i++)
3187	>	fs[i] = new CompletableFuture<>();
3188	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3189	>	checkIncomplete(f);
3190	>	for (int i = k - 1; i >= 0; i--) {
3191	>	fs[i].complete(i);
3192	>	checkCompletedNormally(f, k - 1);
3193	>	int x = (int) CompletableFuture.anyOf(fs).join();
3194	>	assertTrue(i <= x && x <= k - 1);
3195		}
3196		}
3197		}
#	Line 2913 | Line 3200 | public class CompletableFutureTest exten
3200		* anyOf result completes exceptionally when any component does.
3201		*/
3202		public void testAnyOf_exceptional() throws Exception {
3203	<	for (int k = 0; k < 10; ++k) {
3203	>	for (int k = 0; k < 10; k++) {
3204		CompletableFuture[] fs = new CompletableFuture[k];
3205	<	for (int i = 0; i < k; ++i)
3205	>	CFException[] exs = new CFException[k];
3206	>	for (int i = 0; i < k; i++) {
3207		fs[i] = new CompletableFuture<>();
3208	+	exs[i] = new CFException();
3209	+	}
3210		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3211		checkIncomplete(f);
3212	<	for (int i = 0; i < k; ++i) {
3213	<	fs[i].completeExceptionally(new CFException());
3214	<	checkCompletedWithWrappedCFException(f);
3212	>	for (int i = 0; i < k; i++) {
3213	>	fs[i].completeExceptionally(exs[i]);
3214	>	checkCompletedWithWrappedException(f, exs[0]);
3215	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3216	>	}
3217	>	}
3218	>	}
3219	>
3220	>	public void testAnyOf_exceptional_backwards() throws Exception {
3221	>	for (int k = 0; k < 10; k++) {
3222	>	CompletableFuture[] fs = new CompletableFuture[k];
3223	>	CFException[] exs = new CFException[k];
3224	>	for (int i = 0; i < k; i++) {
3225	>	fs[i] = new CompletableFuture<>();
3226	>	exs[i] = new CFException();
3227	>	}
3228	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3229	>	checkIncomplete(f);
3230	>	for (int i = k - 1; i >= 0; i--) {
3231	>	fs[i].completeExceptionally(exs[i]);
3232	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3233		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3234		}
3235		}
#	Line 2934 | Line 3242 | public class CompletableFutureTest exten
3242		CompletableFuture<Integer> f = new CompletableFuture<>();
3243		CompletableFuture<Integer> g = new CompletableFuture<>();
3244		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2937	–	CompletableFuture<?> h;
3245		ThreadExecutor exec = new ThreadExecutor();
3246
3247		Runnable[] throwingActions = {
3248		() -> CompletableFuture.supplyAsync(null),
3249		() -> CompletableFuture.supplyAsync(null, exec),
3250	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3250	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3251
3252		() -> CompletableFuture.runAsync(null),
3253		() -> CompletableFuture.runAsync(null, exec),
#	Line 2950 | Line 3257 | public class CompletableFutureTest exten
3257
3258		() -> f.thenApply(null),
3259		() -> f.thenApplyAsync(null),
3260	<	() -> f.thenApplyAsync((x) -> x, null),
3260	>	() -> f.thenApplyAsync(x -> x, null),
3261		() -> f.thenApplyAsync(null, exec),
3262
3263		() -> f.thenAccept(null),
3264		() -> f.thenAcceptAsync(null),
3265	<	() -> f.thenAcceptAsync((x) -> {} , null),
3265	>	() -> f.thenAcceptAsync(x -> {} , null),
3266		() -> f.thenAcceptAsync(null, exec),
3267
3268		() -> f.thenRun(null),
#	Line 2990 | Line 3297 | public class CompletableFutureTest exten
3297		() -> f.applyToEither(g, null),
3298		() -> f.applyToEitherAsync(g, null),
3299		() -> f.applyToEitherAsync(g, null, exec),
3300	<	() -> f.applyToEither(nullFuture, (x) -> x),
3301	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3302	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3303	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3300	>	() -> f.applyToEither(nullFuture, x -> x),
3301	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3302	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3303	>	() -> f.applyToEitherAsync(g, x -> x, null),
3304
3305		() -> f.acceptEither(g, null),
3306		() -> f.acceptEitherAsync(g, null),
3307		() -> f.acceptEitherAsync(g, null, exec),
3308	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3309	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3310	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3311	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3308	>	() -> f.acceptEither(nullFuture, x -> {}),
3309	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3310	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3311	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3312
3313		() -> f.runAfterEither(g, null),
3314		() -> f.runAfterEitherAsync(g, null),
#	Line 3013 | Line 3320 | public class CompletableFutureTest exten
3320
3321		() -> f.thenCompose(null),
3322		() -> f.thenComposeAsync(null),
3323	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3323	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3324		() -> f.thenComposeAsync(null, exec),
3325
3326		() -> f.exceptionally(null),
#	Line 3031 | Line 3338 | public class CompletableFutureTest exten
3338		() -> CompletableFuture.anyOf(null, f),
3339
3340		() -> f.obtrudeException(null),
3341	+
3342	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3343	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3344	+	() -> CompletableFuture.delayedExecutor(1L, null),
3345	+
3346	+	() -> f.orTimeout(1L, null),
3347	+	() -> f.completeOnTimeout(42, 1L, null),
3348	+
3349	+	() -> CompletableFuture.failedFuture(null),
3350	+	() -> CompletableFuture.failedStage(null),
3351		};
3352
3353		assertThrows(NullPointerException.class, throwingActions);
#	Line 3038 | Line 3355 | public class CompletableFutureTest exten
3355		}
3356
3357		/**
3358	+	* Test submissions to an executor that rejects all tasks.
3359	+	*/
3360	+	public void testRejectingExecutor() {
3361	+	for (Integer v : new Integer[] { 1, null })
3362	+	{
3363	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3364	+
3365	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3366	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3367	+
3368	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3369	+
3370	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3371	+	srcs.add(complete);
3372	+	srcs.add(incomplete);
3373	+
3374	+	for (CompletableFuture<Integer> src : srcs) {
3375	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3376	+	fs.add(src.thenRunAsync(() -> {}, e));
3377	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3378	+	fs.add(src.thenApplyAsync(z -> z, e));
3379	+
3380	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3381	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3382	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3383	+
3384	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3385	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3386	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3387	+
3388	+	fs.add(src.thenComposeAsync(z -> null, e));
3389	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3390	+	fs.add(src.handleAsync((z, t) -> null, e));
3391	+
3392	+	for (CompletableFuture<?> future : fs) {
3393	+	if (src.isDone())
3394	+	checkCompletedWithWrappedException(future, e.ex);
3395	+	else
3396	+	checkIncomplete(future);
3397	+	}
3398	+	futures.addAll(fs);
3399	+	}
3400	+
3401	+	{
3402	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3403	+
3404	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3405	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3406	+
3407	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3408	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3409	+
3410	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3411	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3412	+
3413	+	for (CompletableFuture<?> future : fs)
3414	+	checkIncomplete(future);
3415	+	futures.addAll(fs);
3416	+	}
3417	+
3418	+	{
3419	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3420	+
3421	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3422	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3423	+
3424	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3425	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3426	+
3427	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3428	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3429	+
3430	+	for (CompletableFuture<?> future : fs)
3431	+	checkCompletedWithWrappedException(future, e.ex);
3432	+	futures.addAll(fs);
3433	+	}
3434	+
3435	+	incomplete.complete(v);
3436	+
3437	+	for (CompletableFuture<?> future : futures)
3438	+	checkCompletedWithWrappedException(future, e.ex);
3439	+
3440	+	assertEquals(futures.size(), e.count.get());
3441	+	}}
3442	+
3443	+	/**
3444	+	* Test submissions to an executor that rejects all tasks, but
3445	+	* should never be invoked because the dependent future is
3446	+	* explicitly completed.
3447	+	*/
3448	+	public void testRejectingExecutorNeverInvoked() {
3449	+	for (Integer v : new Integer[] { 1, null })
3450	+	{
3451	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3452	+
3453	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3454	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3455	+
3456	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3457	+
3458	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3459	+	srcs.add(complete);
3460	+	srcs.add(incomplete);
3461	+
3462	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3463	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3464	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3465	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3466	+
3467	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3468	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3469	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3470	+
3471	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3472	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3473	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3474	+
3475	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3476	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3477	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3478	+
3479	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3480	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3481	+
3482	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3483	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3484	+
3485	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3486	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3487	+
3488	+	for (CompletableFuture<?> future : fs)
3489	+	checkIncomplete(future);
3490	+
3491	+	for (CompletableFuture<?> future : fs)
3492	+	future.complete(null);
3493	+
3494	+	incomplete.complete(v);
3495	+
3496	+	for (CompletableFuture<?> future : fs)
3497	+	checkCompletedNormally(future, null);
3498	+
3499	+	assertEquals(0, e.count.get());
3500	+	}}
3501	+
3502	+	/**
3503		* toCompletableFuture returns this CompletableFuture.
3504		*/
3505		public void testToCompletableFuture() {
#	Line 3045 | Line 3507 | public class CompletableFutureTest exten
3507		assertSame(f, f.toCompletableFuture());
3508		}
3509
3510	+	// jdk9
3511	+
3512		/**
3513	<	* whenComplete action executes on normal completion, propagating
3050	<	* source result.
3513	>	* newIncompleteFuture returns an incomplete CompletableFuture
3514		*/
3515	<	public void testWhenComplete1() {
3516	<	final AtomicInteger a = new AtomicInteger();
3515	>	public void testNewIncompleteFuture() {
3516	>	for (Integer v1 : new Integer[] { 1, null })
3517	>	{
3518		CompletableFuture<Integer> f = new CompletableFuture<>();
3519	<	CompletableFuture<Integer> g =
3520	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3521	<	f.complete(three);
3522	<	checkCompletedNormally(f, three);
3523	<	checkCompletedNormally(g, three);
3524	<	assertEquals(a.get(), 1);
3519	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3520	>	checkIncomplete(f);
3521	>	checkIncomplete(g);
3522	>	f.complete(v1);
3523	>	checkCompletedNormally(f, v1);
3524	>	checkIncomplete(g);
3525	>	g.complete(v1);
3526	>	checkCompletedNormally(g, v1);
3527	>	assertSame(g.getClass(), CompletableFuture.class);
3528	>	}}
3529	>
3530	>	/**
3531	>	* completedStage returns a completed CompletionStage
3532	>	*/
3533	>	public void testCompletedStage() {
3534	>	AtomicInteger x = new AtomicInteger(0);
3535	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3536	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3537	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3538	>	assertEquals(x.get(), 1);
3539	>	assertNull(r.get());
3540		}
3541
3542		/**
3543	<	* whenComplete action executes on exceptional completion, propagating
3544	<	* source result.
3543	>	* defaultExecutor by default returns the commonPool if
3544	>	* it supports more than one thread.
3545		*/
3546	<	public void testWhenComplete2() {
3068	<	final AtomicInteger a = new AtomicInteger();
3546	>	public void testDefaultExecutor() {
3547		CompletableFuture<Integer> f = new CompletableFuture<>();
3548	<	CompletableFuture<Integer> g =
3549	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3550	<	f.completeExceptionally(new CFException());
3551	<	assertTrue(f.isCompletedExceptionally());
3552	<	assertTrue(g.isCompletedExceptionally());
3553	<	assertEquals(a.get(), 1);
3548	>	Executor e = f.defaultExecutor();
3549	>	Executor c = ForkJoinPool.commonPool();
3550	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3551	>	assertSame(e, c);
3552	>	else
3553	>	assertNotSame(e, c);
3554		}
3555
3556		/**
3557	<	* If a whenComplete action throws an exception when triggered by
3558	<	* a normal completion, it completes exceptionally
3557	>	* failedFuture returns a CompletableFuture completed
3558	>	* exceptionally with the given Exception
3559		*/
3560	<	public void testWhenComplete3() {
3560	>	public void testFailedFuture() {
3561	>	CFException ex = new CFException();
3562	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3563	>	checkCompletedExceptionally(f, ex);
3564	>	}
3565	>
3566	>	/**
3567	>	* failedFuture(null) throws NPE
3568	>	*/
3569	>	public void testFailedFuture_null() {
3570	>	try {
3571	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3572	>	shouldThrow();
3573	>	} catch (NullPointerException success) {}
3574	>	}
3575	>
3576	>	/**
3577	>	* copy returns a CompletableFuture that is completed normally,
3578	>	* with the same value, when source is.
3579	>	*/
3580	>	public void testCopy_normalCompletion() {
3581	>	for (boolean createIncomplete : new boolean[] { true, false })
3582	>	for (Integer v1 : new Integer[] { 1, null })
3583	>	{
3584		CompletableFuture<Integer> f = new CompletableFuture<>();
3585	<	CompletableFuture<Integer> g =
3586	<	f.whenComplete((Integer x, Throwable t) ->
3587	<	{ throw new CFException(); } );
3588	<	f.complete(three);
3589	<	checkCompletedNormally(f, three);
3590	<	assertTrue(g.isCompletedExceptionally());
3591	<	checkCompletedWithWrappedCFException(g);
3585	>	if (!createIncomplete) assertTrue(f.complete(v1));
3586	>	CompletableFuture<Integer> g = f.copy();
3587	>	if (createIncomplete) {
3588	>	checkIncomplete(f);
3589	>	checkIncomplete(g);
3590	>	assertTrue(f.complete(v1));
3591	>	}
3592	>	checkCompletedNormally(f, v1);
3593	>	checkCompletedNormally(g, v1);
3594	>	}}
3595	>
3596	>	/**
3597	>	* copy returns a CompletableFuture that is completed exceptionally
3598	>	* when source is.
3599	>	*/
3600	>	public void testCopy_exceptionalCompletion() {
3601	>	for (boolean createIncomplete : new boolean[] { true, false })
3602	>	{
3603	>	CFException ex = new CFException();
3604	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3605	>	if (!createIncomplete) f.completeExceptionally(ex);
3606	>	CompletableFuture<Integer> g = f.copy();
3607	>	if (createIncomplete) {
3608	>	checkIncomplete(f);
3609	>	checkIncomplete(g);
3610	>	f.completeExceptionally(ex);
3611	>	}
3612	>	checkCompletedExceptionally(f, ex);
3613	>	checkCompletedWithWrappedException(g, ex);
3614	>	}}
3615	>
3616	>	/**
3617	>	* Completion of a copy does not complete its source.
3618	>	*/
3619	>	public void testCopy_oneWayPropagation() {
3620	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3621	>	assertTrue(f.copy().complete(1));
3622	>	assertTrue(f.copy().complete(null));
3623	>	assertTrue(f.copy().cancel(true));
3624	>	assertTrue(f.copy().cancel(false));
3625	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3626	>	checkIncomplete(f);
3627		}
3628
3629		/**
3630	<	* whenCompleteAsync action executes on normal completion, propagating
3631	<	* source result.
3630	>	* minimalCompletionStage returns a CompletableFuture that is
3631	>	* completed normally, with the same value, when source is.
3632		*/
3633	<	public void testWhenCompleteAsync1() {
3098	<	final AtomicInteger a = new AtomicInteger();
3633	>	public void testMinimalCompletionStage() {
3634		CompletableFuture<Integer> f = new CompletableFuture<>();
3635	<	CompletableFuture<Integer> g =
3636	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3637	<	f.complete(three);
3638	<	checkCompletedNormally(f, three);
3639	<	checkCompletedNormally(g, three);
3640	<	assertEquals(a.get(), 1);
3635	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3636	>	AtomicInteger x = new AtomicInteger(0);
3637	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3638	>	checkIncomplete(f);
3639	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3640	>	f.complete(1);
3641	>	checkCompletedNormally(f, 1);
3642	>	assertEquals(x.get(), 1);
3643	>	assertNull(r.get());
3644		}
3645
3646		/**
3647	<	* whenCompleteAsync action executes on exceptional completion, propagating
3648	<	* source result.
3647	>	* minimalCompletionStage returns a CompletableFuture that is
3648	>	* completed exceptionally when source is.
3649		*/
3650	<	public void testWhenCompleteAsync2() {
3113	<	final AtomicInteger a = new AtomicInteger();
3650	>	public void testMinimalCompletionStage2() {
3651		CompletableFuture<Integer> f = new CompletableFuture<>();
3652	<	CompletableFuture<Integer> g =
3653	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3654	<	f.completeExceptionally(new CFException());
3655	<	checkCompletedWithWrappedCFException(f);
3656	<	checkCompletedWithWrappedCFException(g);
3652	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3653	>	AtomicInteger x = new AtomicInteger(0);
3654	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3655	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3656	>	checkIncomplete(f);
3657	>	CFException ex = new CFException();
3658	>	f.completeExceptionally(ex);
3659	>	checkCompletedExceptionally(f, ex);
3660	>	assertEquals(x.get(), 0);
3661	>	assertEquals(r.get().getCause(), ex);
3662		}
3663
3664		/**
3665	<	* If a whenCompleteAsync action throws an exception when
3666	<	* triggered by a normal completion, it completes exceptionally
3665	>	* failedStage returns a CompletionStage completed
3666	>	* exceptionally with the given Exception
3667		*/
3668	<	public void testWhenCompleteAsync3() {
3668	>	public void testFailedStage() {
3669	>	CFException ex = new CFException();
3670	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3671	>	AtomicInteger x = new AtomicInteger(0);
3672	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3673	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3674	>	assertEquals(x.get(), 0);
3675	>	assertEquals(r.get(), ex);
3676	>	}
3677	>
3678	>	/**
3679	>	* completeAsync completes with value of given supplier
3680	>	*/
3681	>	public void testCompleteAsync() {
3682	>	for (Integer v1 : new Integer[] { 1, null })
3683	>	{
3684		CompletableFuture<Integer> f = new CompletableFuture<>();
3685	<	CompletableFuture<Integer> g =
3686	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3687	<	{ throw new CFException(); } );
3688	<	f.complete(three);
3689	<	checkCompletedNormally(f, three);
3690	<	checkCompletedWithWrappedCFException(g);
3685	>	f.completeAsync(() -> v1);
3686	>	f.join();
3687	>	checkCompletedNormally(f, v1);
3688	>	}}
3689	>
3690	>	/**
3691	>	* completeAsync completes exceptionally if given supplier throws
3692	>	*/
3693	>	public void testCompleteAsync2() {
3694	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3695	>	CFException ex = new CFException();
3696	>	f.completeAsync(() -> { throw ex; });
3697	>	try {
3698	>	f.join();
3699	>	shouldThrow();
3700	>	} catch (CompletionException success) {}
3701	>	checkCompletedWithWrappedException(f, ex);
3702		}
3703
3704		/**
3705	<	* whenCompleteAsync action executes on normal completion, propagating
3138	<	* source result.
3705	>	* completeAsync with given executor completes with value of given supplier
3706		*/
3707	<	public void testWhenCompleteAsync1e() {
3708	<	final AtomicInteger a = new AtomicInteger();
3709	<	ThreadExecutor exec = new ThreadExecutor();
3707	>	public void testCompleteAsync3() {
3708	>	for (Integer v1 : new Integer[] { 1, null })
3709	>	{
3710		CompletableFuture<Integer> f = new CompletableFuture<>();
3711	<	CompletableFuture<Integer> g =
3712	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3713	<	exec);
3714	<	f.complete(three);
3715	<	checkCompletedNormally(f, three);
3716	<	checkCompletedNormally(g, three);
3717	<	assertEquals(a.get(), 1);
3711	>	ThreadExecutor executor = new ThreadExecutor();
3712	>	f.completeAsync(() -> v1, executor);
3713	>	assertSame(v1, f.join());
3714	>	checkCompletedNormally(f, v1);
3715	>	assertEquals(1, executor.count.get());
3716	>	}}
3717	>
3718	>	/**
3719	>	* completeAsync with given executor completes exceptionally if
3720	>	* given supplier throws
3721	>	*/
3722	>	public void testCompleteAsync4() {
3723	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3724	>	CFException ex = new CFException();
3725	>	ThreadExecutor executor = new ThreadExecutor();
3726	>	f.completeAsync(() -> { throw ex; }, executor);
3727	>	try {
3728	>	f.join();
3729	>	shouldThrow();
3730	>	} catch (CompletionException success) {}
3731	>	checkCompletedWithWrappedException(f, ex);
3732	>	assertEquals(1, executor.count.get());
3733		}
3734
3735		/**
3736	<	* whenCompleteAsync action executes on exceptional completion, propagating
3155	<	* source result.
3736	>	* orTimeout completes with TimeoutException if not complete
3737		*/
3738	<	public void testWhenCompleteAsync2e() {
3739	<	final AtomicInteger a = new AtomicInteger();
3159	<	ThreadExecutor exec = new ThreadExecutor();
3738	>	public void testOrTimeout_timesOut() {
3739	>	long timeoutMillis = timeoutMillis();
3740		CompletableFuture<Integer> f = new CompletableFuture<>();
3741	<	CompletableFuture<Integer> g =
3742	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3743	<	exec);
3744	<	f.completeExceptionally(new CFException());
3165	<	checkCompletedWithWrappedCFException(f);
3166	<	checkCompletedWithWrappedCFException(g);
3741	>	long startTime = System.nanoTime();
3742	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3743	>	checkCompletedWithTimeoutException(f);
3744	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3745		}
3746
3747		/**
3748	<	* If a whenCompleteAsync action throws an exception when triggered
3171	<	* by a normal completion, it completes exceptionally
3748	>	* orTimeout completes normally if completed before timeout
3749		*/
3750	<	public void testWhenCompleteAsync3e() {
3751	<	ThreadExecutor exec = new ThreadExecutor();
3750	>	public void testOrTimeout_completed() {
3751	>	for (Integer v1 : new Integer[] { 1, null })
3752	>	{
3753		CompletableFuture<Integer> f = new CompletableFuture<>();
3754	<	CompletableFuture<Integer> g =
3755	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3756	<	{ throw new CFException(); },
3757	<	exec);
3758	<	f.complete(three);
3759	<	checkCompletedNormally(f, three);
3760	<	checkCompletedWithWrappedCFException(g);
3754	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3755	>	long startTime = System.nanoTime();
3756	>	f.complete(v1);
3757	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3758	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3759	>	g.complete(v1);
3760	>	checkCompletedNormally(f, v1);
3761	>	checkCompletedNormally(g, v1);
3762	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3763	>	}}
3764	>
3765	>	/**
3766	>	* completeOnTimeout completes with given value if not complete
3767	>	*/
3768	>	public void testCompleteOnTimeout_timesOut() {
3769	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3770	>	() -> testCompleteOnTimeout_timesOut(null));
3771		}
3772
3773		/**
3774	<	* handleAsync action completes normally with function value on
3187	<	* either normal or exceptional completion of source
3774	>	* completeOnTimeout completes with given value if not complete
3775		*/
3776	<	public void testHandleAsync() {
3777	<	CompletableFuture<Integer> f, g;
3778	<	IntegerHandler r;
3776	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3777	>	long timeoutMillis = timeoutMillis();
3778	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3779	>	long startTime = System.nanoTime();
3780	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3781	>	assertSame(v, f.join());
3782	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3783	>	f.complete(99);         // should have no effect
3784	>	checkCompletedNormally(f, v);
3785	>	}
3786
3787	<	f = new CompletableFuture<>();
3788	<	g = f.handleAsync(r = new IntegerHandler());
3789	<	assertFalse(r.ran);
3790	<	f.completeExceptionally(new CFException());
3791	<	checkCompletedWithWrappedCFException(f);
3792	<	checkCompletedNormally(g, three);
3793	<	assertTrue(r.ran);
3787	>	/**
3788	>	* completeOnTimeout has no effect if completed within timeout
3789	>	*/
3790	>	public void testCompleteOnTimeout_completed() {
3791	>	for (Integer v1 : new Integer[] { 1, null })
3792	>	{
3793	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3794	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3795	>	long startTime = System.nanoTime();
3796	>	f.complete(v1);
3797	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3798	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3799	>	g.complete(v1);
3800	>	checkCompletedNormally(f, v1);
3801	>	checkCompletedNormally(g, v1);
3802	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3803	>	}}
3804
3805	<	f = new CompletableFuture<>();
3806	<	g = f.handleAsync(r = new IntegerHandler());
3807	<	assertFalse(r.ran);
3808	<	f.completeExceptionally(new CFException());
3809	<	checkCompletedWithWrappedCFException(f);
3810	<	checkCompletedNormally(g, three);
3811	<	assertTrue(r.ran);
3805	>	/**
3806	>	* delayedExecutor returns an executor that delays submission
3807	>	*/
3808	>	public void testDelayedExecutor() {
3809	>	testInParallel(() -> testDelayedExecutor(null, null),
3810	>	() -> testDelayedExecutor(null, 1),
3811	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3812	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3813	>	}
3814	>
3815	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3816	>	long timeoutMillis = timeoutMillis();
3817	>	// Use an "unreasonably long" long timeout to catch lingering threads
3818	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3819	>	final Executor delayer, longDelayer;
3820	>	if (executor == null) {
3821	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3822	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3823	>	} else {
3824	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3825	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3826	>	}
3827	>	long startTime = System.nanoTime();
3828	>	CompletableFuture<Integer> f =
3829	>	CompletableFuture.supplyAsync(() -> v, delayer);
3830	>	CompletableFuture<Integer> g =
3831	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3832
3833	<	f = new CompletableFuture<>();
3210	<	g = f.handleAsync(r = new IntegerHandler());
3211	<	assertFalse(r.ran);
3212	<	f.complete(one);
3213	<	checkCompletedNormally(f, one);
3214	<	checkCompletedNormally(g, two);
3215	<	assertTrue(r.ran);
3833	>	assertNull(g.getNow(null));
3834
3835	<	f = new CompletableFuture<>();
3836	<	g = f.handleAsync(r = new IntegerHandler());
3837	<	assertFalse(r.ran);
3838	<	f.complete(one);
3839	<	checkCompletedNormally(f, one);
3840	<	checkCompletedNormally(g, two);
3841	<	assertTrue(r.ran);
3835	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3836	>	long millisElapsed = millisElapsedSince(startTime);
3837	>	assertTrue(millisElapsed >= timeoutMillis);
3838	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3839	>
3840	>	checkCompletedNormally(f, v);
3841	>
3842	>	checkIncomplete(g);
3843	>	assertTrue(g.cancel(true));
3844	>	}
3845	>
3846	>	//--- tests of implementation details; not part of official tck ---
3847	>
3848	>	Object resultOf(CompletableFuture<?> f) {
3849	>	SecurityManager sm = System.getSecurityManager();
3850	>	if (sm != null) {
3851	>	try {
3852	>	System.setSecurityManager(null);
3853	>	} catch (SecurityException giveUp) {
3854	>	return "Reflection not available";
3855	>	}
3856	>	}
3857	>
3858	>	try {
3859	>	java.lang.reflect.Field resultField
3860	>	= CompletableFuture.class.getDeclaredField("result");
3861	>	resultField.setAccessible(true);
3862	>	return resultField.get(f);
3863	>	} catch (Throwable t) {
3864	>	throw new AssertionError(t);
3865	>	} finally {
3866	>	if (sm != null) System.setSecurityManager(sm);
3867	>	}
3868	>	}
3869	>
3870	>	public void testExceptionPropagationReusesResultObject() {
3871	>	if (!testImplementationDetails) return;
3872	>	for (ExecutionMode m : ExecutionMode.values())
3873	>	{
3874	>	final CFException ex = new CFException();
3875	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3876	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3877	>
3878	>	final Runnable noopRunnable = new Noop(m);
3879	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3880	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
3881	>
3882	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3883	>	= new ArrayList<>();
3884	>
3885	>	funs.add(y -> m.thenRun(y, noopRunnable));
3886	>	funs.add(y -> m.thenAccept(y, noopConsumer));
3887	>	funs.add(y -> m.thenApply(y, incFunction));
3888	>
3889	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3890	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3891	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3892	>
3893	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3894	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3895	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3896	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3897	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3898	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3899	>
3900	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3901	>
3902	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3903	>
3904	>	funs.add(y -> CompletableFuture.allOf(y));
3905	>	funs.add(y -> CompletableFuture.allOf(y, v42));
3906	>	funs.add(y -> CompletableFuture.allOf(v42, y));
3907	>	funs.add(y -> CompletableFuture.anyOf(y));
3908	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3909	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3910	>
3911	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3912	>	fun : funs) {
3913	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3914	>	f.completeExceptionally(ex);
3915	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3916	>	checkCompletedWithWrappedException(src, ex);
3917	>	CompletableFuture<?> dep = fun.apply(src);
3918	>	checkCompletedWithWrappedException(dep, ex);
3919	>	assertSame(resultOf(src), resultOf(dep));
3920	>	}
3921	>
3922	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3923	>	fun : funs) {
3924	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3925	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3926	>	CompletableFuture<?> dep = fun.apply(src);
3927	>	f.completeExceptionally(ex);
3928	>	checkCompletedWithWrappedException(src, ex);
3929	>	checkCompletedWithWrappedException(dep, ex);
3930	>	assertSame(resultOf(src), resultOf(dep));
3931	>	}
3932	>
3933	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3934	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3935	>	fun : funs) {
3936	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3937	>	f.cancel(mayInterruptIfRunning);
3938	>	checkCancelled(f);
3939	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3940	>	checkCompletedWithWrappedCancellationException(src);
3941	>	CompletableFuture<?> dep = fun.apply(src);
3942	>	checkCompletedWithWrappedCancellationException(dep);
3943	>	assertSame(resultOf(src), resultOf(dep));
3944	>	}
3945	>
3946	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3947	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3948	>	fun : funs) {
3949	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3950	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3951	>	CompletableFuture<?> dep = fun.apply(src);
3952	>	f.cancel(mayInterruptIfRunning);
3953	>	checkCancelled(f);
3954	>	checkCompletedWithWrappedCancellationException(src);
3955	>	checkCompletedWithWrappedCancellationException(dep);
3956	>	assertSame(resultOf(src), resultOf(dep));
3957	>	}
3958	>	}}
3959	>
3960	>	/**
3961	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3962	>	*/
3963	>	public void testMinimalCompletionStage_minimality() {
3964	>	if (!testImplementationDetails) return;
3965	>	Function<Method, String> toSignature =
3966	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3967	>	Predicate<Method> isNotStatic =
3968	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3969	>	List<Method> minimalMethods =
3970	>	Stream.of(Object.class, CompletionStage.class)
3971	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3972	>	.filter(isNotStatic)
3973	>	.collect(Collectors.toList());
3974	>	// Methods from CompletableFuture permitted NOT to throw UOE
3975	>	String[] signatureWhitelist = {
3976	>	"newIncompleteFuture[]",
3977	>	"defaultExecutor[]",
3978	>	"minimalCompletionStage[]",
3979	>	"copy[]",
3980	>	};
3981	>	Set<String> permittedMethodSignatures =
3982	>	Stream.concat(minimalMethods.stream().map(toSignature),
3983	>	Stream.of(signatureWhitelist))
3984	>	.collect(Collectors.toSet());
3985	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3986	>	.filter(isNotStatic)
3987	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3988	>	.collect(Collectors.toList());
3989	>
3990	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
3991	>	CompletionStage<Integer> min =
3992	>	new CompletableFuture<Integer>().minimalCompletionStage();
3993	>	stages.add(min);
3994	>	stages.add(min.thenApply(x -> x));
3995	>	stages.add(CompletableFuture.completedStage(1));
3996	>	stages.add(CompletableFuture.failedStage(new CFException()));
3997	>
3998	>	List<Method> bugs = new ArrayList<>();
3999	>	for (Method method : allMethods) {
4000	>	Class<?>[] parameterTypes = method.getParameterTypes();
4001	>	Object[] args = new Object[parameterTypes.length];
4002	>	// Manufacture boxed primitives for primitive params
4003	>	for (int i = 0; i < args.length; i++) {
4004	>	Class<?> type = parameterTypes[i];
4005	>	if (parameterTypes[i] == boolean.class)
4006	>	args[i] = false;
4007	>	else if (parameterTypes[i] == int.class)
4008	>	args[i] = 0;
4009	>	else if (parameterTypes[i] == long.class)
4010	>	args[i] = 0L;
4011	>	}
4012	>	for (CompletionStage<Integer> stage : stages) {
4013	>	try {
4014	>	method.invoke(stage, args);
4015	>	bugs.add(method);
4016	>	}
4017	>	catch (java.lang.reflect.InvocationTargetException expected) {
4018	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4019	>	bugs.add(method);
4020	>	// expected.getCause().printStackTrace();
4021	>	}
4022	>	}
4023	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4024	>	}
4025	>	}
4026	>	if (!bugs.isEmpty())
4027	>	throw new Error("Methods did not throw UOE: " + bugs);
4028		}
4029
4030		/**
4031	<	* handleAsync action with Executor completes normally with
4032	<	* function value on either normal or exceptional completion of
3229	<	* source
4031	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4032	>	* is completed normally, with the same value, when source is.
4033		*/
4034	<	public void testHandleAsync2() {
4035	<	CompletableFuture<Integer> f, g;
4036	<	ThreadExecutor exec = new ThreadExecutor();
4037	<	IntegerHandler r;
4034	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4035	>	for (boolean createIncomplete : new boolean[] { true, false })
4036	>	for (Integer v1 : new Integer[] { 1, null })
4037	>	{
4038	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4039	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4040	>	if (!createIncomplete) assertTrue(f.complete(v1));
4041	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4042	>	if (createIncomplete) {
4043	>	checkIncomplete(f);
4044	>	checkIncomplete(g);
4045	>	assertTrue(f.complete(v1));
4046	>	}
4047	>	checkCompletedNormally(f, v1);
4048	>	checkCompletedNormally(g, v1);
4049	>	}}
4050
4051	<	f = new CompletableFuture<>();
4052	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4053	<	assertFalse(r.ran);
4054	<	f.completeExceptionally(new CFException());
4055	<	checkCompletedWithWrappedCFException(f);
4056	<	checkCompletedNormally(g, three);
4057	<	assertTrue(r.ran);
4051	>	/**
4052	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4053	>	* is completed exceptionally when source is.
4054	>	*/
4055	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4056	>	for (boolean createIncomplete : new boolean[] { true, false })
4057	>	{
4058	>	CFException ex = new CFException();
4059	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4060	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4061	>	if (!createIncomplete) f.completeExceptionally(ex);
4062	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4063	>	if (createIncomplete) {
4064	>	checkIncomplete(f);
4065	>	checkIncomplete(g);
4066	>	f.completeExceptionally(ex);
4067	>	}
4068	>	checkCompletedExceptionally(f, ex);
4069	>	checkCompletedWithWrappedException(g, ex);
4070	>	}}
4071
4072	<	f = new CompletableFuture<>();
4073	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4074	<	assertFalse(r.ran);
4075	<	f.completeExceptionally(new CFException());
4076	<	checkCompletedWithWrappedCFException(f);
4077	<	checkCompletedNormally(g, three);
4078	<	assertTrue(r.ran);
4072	>	/**
4073	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4074	>	*/
4075	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4076	>	for (Integer v1 : new Integer[] { 1, null })
4077	>	{
4078	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4079	>	CompletionStage minimal = f.minimalCompletionStage();
4080	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4081	>	assertTrue(g.complete(v1));
4082	>	checkCompletedNormally(g, v1);
4083	>	checkIncomplete(f);
4084	>	checkIncomplete(minimal.toCompletableFuture());
4085	>	}}
4086
4087	<	f = new CompletableFuture<>();
4088	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4089	<	assertFalse(r.ran);
4090	<	f.complete(one);
4091	<	checkCompletedNormally(f, one);
4092	<	checkCompletedNormally(g, two);
4093	<	assertTrue(r.ran);
4087	>	/**
4088	>	* minimalStage.toCompletableFuture().join() awaits completion
4089	>	*/
4090	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4091	>	for (boolean createIncomplete : new boolean[] { true, false })
4092	>	for (Integer v1 : new Integer[] { 1, null })
4093	>	{
4094	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4095	>	if (!createIncomplete) assertTrue(f.complete(v1));
4096	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4097	>	if (createIncomplete) assertTrue(f.complete(v1));
4098	>	assertEquals(v1, minimal.toCompletableFuture().join());
4099	>	assertEquals(v1, minimal.toCompletableFuture().get());
4100	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4101	>	}}
4102	>
4103	>	/**
4104	>	* Completion of a toCompletableFuture copy of a minimal stage
4105	>	* does not complete its source.
4106	>	*/
4107	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4108	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4109	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4110	>	assertTrue(g.toCompletableFuture().complete(1));
4111	>	assertTrue(g.toCompletableFuture().complete(null));
4112	>	assertTrue(g.toCompletableFuture().cancel(true));
4113	>	assertTrue(g.toCompletableFuture().cancel(false));
4114	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4115	>	checkIncomplete(g.toCompletableFuture());
4116	>	f.complete(1);
4117	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4118	>	}
4119
4120	<	f = new CompletableFuture<>();
4121	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4122	<	assertFalse(r.ran);
4123	<	f.complete(one);
4124	<	checkCompletedNormally(f, one);
4125	<	checkCompletedNormally(g, two);
4126	<	assertTrue(r.ran);
4120	>	/** Demo utility method for external reliable toCompletableFuture */
4121	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4122	>	CompletableFuture<T> f = new CompletableFuture<>();
4123	>	stage.handle((T t, Throwable ex) -> {
4124	>	if (ex != null) f.completeExceptionally(ex);
4125	>	else f.complete(t);
4126	>	return null;
4127	>	});
4128	>	return f;
4129	>	}
4130	>
4131	>	/** Demo utility method to join a CompletionStage */
4132	>	static <T> T join(CompletionStage<T> stage) {
4133	>	return toCompletableFuture(stage).join();
4134		}
4135
4136	+	/**
4137	+	* Joining a minimal stage "by hand" works
4138	+	*/
4139	+	public void testMinimalCompletionStage_join_by_hand() {
4140	+	for (boolean createIncomplete : new boolean[] { true, false })
4141	+	for (Integer v1 : new Integer[] { 1, null })
4142	+	{
4143	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4144	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4145	+	CompletableFuture<Integer> g = new CompletableFuture<>();
4146	+	if (!createIncomplete) assertTrue(f.complete(v1));
4147	+	minimal.thenAccept(x -> g.complete(x));
4148	+	if (createIncomplete) assertTrue(f.complete(v1));
4149	+	g.join();
4150	+	checkCompletedNormally(g, v1);
4151	+	checkCompletedNormally(f, v1);
4152	+	assertEquals(v1, join(minimal));
4153	+	}}
4154	+
4155	+	static class Monad {
4156	+	static class ZeroException extends RuntimeException {
4157	+	public ZeroException() { super("monadic zero"); }
4158	+	}
4159	+	// "return", "unit"
4160	+	static <T> CompletableFuture<T> unit(T value) {
4161	+	return completedFuture(value);
4162	+	}
4163	+	// monadic zero ?
4164	+	static <T> CompletableFuture<T> zero() {
4165	+	return failedFuture(new ZeroException());
4166	+	}
4167	+	// >=>
4168	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
4169	+	(Function<T, CompletableFuture<U>> f,
4170	+	Function<U, CompletableFuture<V>> g) {
4171	+	return x -> f.apply(x).thenCompose(g);
4172	+	}
4173	+
4174	+	static void assertZero(CompletableFuture<?> f) {
4175	+	try {
4176	+	f.getNow(null);
4177	+	throw new AssertionFailedError("should throw");
4178	+	} catch (CompletionException success) {
4179	+	assertTrue(success.getCause() instanceof ZeroException);
4180	+	}
4181	+	}
4182	+
4183	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
4184	+	CompletableFuture<T> g) {
4185	+	T fval = null, gval = null;
4186	+	Throwable fex = null, gex = null;
4187	+
4188	+	try { fval = f.get(); }
4189	+	catch (ExecutionException ex) { fex = ex.getCause(); }
4190	+	catch (Throwable ex) { fex = ex; }
4191	+
4192	+	try { gval = g.get(); }
4193	+	catch (ExecutionException ex) { gex = ex.getCause(); }
4194	+	catch (Throwable ex) { gex = ex; }
4195	+
4196	+	if (fex != null || gex != null)
4197	+	assertSame(fex.getClass(), gex.getClass());
4198	+	else
4199	+	assertEquals(fval, gval);
4200	+	}
4201	+
4202	+	static class PlusFuture<T> extends CompletableFuture<T> {
4203	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4204	+	}
4205	+
4206	+	/** Implements "monadic plus". */
4207	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4208	+	CompletableFuture<? extends T> g) {
4209	+	PlusFuture<T> plus = new PlusFuture<T>();
4210	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4211	+	try {
4212	+	if (ex == null) {
4213	+	if (plus.complete(result))
4214	+	if (plus.firstFailure.get() != null)
4215	+	plus.firstFailure.set(null);
4216	+	}
4217	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
4218	+	if (plus.isDone())
4219	+	plus.firstFailure.set(null);
4220	+	}
4221	+	else {
4222	+	// first failure has precedence
4223	+	Throwable first = plus.firstFailure.getAndSet(null);
4224	+
4225	+	// may fail with "Self-suppression not permitted"
4226	+	try { first.addSuppressed(ex); }
4227	+	catch (Exception ignored) {}
4228	+
4229	+	plus.completeExceptionally(first);
4230	+	}
4231	+	} catch (Throwable unexpected) {
4232	+	plus.completeExceptionally(unexpected);
4233	+	}
4234	+	};
4235	+	f.whenComplete(action);
4236	+	g.whenComplete(action);
4237	+	return plus;
4238	+	}
4239	+	}
4240	+
4241	+	/**
4242	+	* CompletableFuture is an additive monad - sort of.
4243	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4244	+	*/
4245	+	public void testAdditiveMonad() throws Throwable {
4246	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4247	+	CompletableFuture<Long> zero = Monad.zero();
4248	+
4249	+	// Some mutually non-commutative functions
4250	+	Function<Long, CompletableFuture<Long>> triple
4251	+	= x -> Monad.unit(3 * x);
4252	+	Function<Long, CompletableFuture<Long>> inc
4253	+	= x -> Monad.unit(x + 1);
4254	+
4255	+	// unit is a right identity: m >>= unit === m
4256	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4257	+	inc.apply(5L));
4258	+	// unit is a left identity: (unit x) >>= f === f x
4259	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4260	+	inc.apply(5L));
4261	+
4262	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4263	+	Monad.assertFutureEquals(
4264	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4265	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4266	+
4267	+	// The case for CompletableFuture as an additive monad is weaker...
4268	+
4269	+	// zero is a monadic zero
4270	+	Monad.assertZero(zero);
4271	+
4272	+	// left zero: zero >>= f === zero
4273	+	Monad.assertZero(zero.thenCompose(inc));
4274	+	// right zero: f >>= (\x -> zero) === zero
4275	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4276	+
4277	+	// f plus zero === f
4278	+	Monad.assertFutureEquals(Monad.unit(5L),
4279	+	Monad.plus(Monad.unit(5L), zero));
4280	+	// zero plus f === f
4281	+	Monad.assertFutureEquals(Monad.unit(5L),
4282	+	Monad.plus(zero, Monad.unit(5L)));
4283	+	// zero plus zero === zero
4284	+	Monad.assertZero(Monad.plus(zero, zero));
4285	+	{
4286	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4287	+	Monad.unit(8L));
4288	+	// non-determinism
4289	+	assertTrue(f.get() == 5L || f.get() == 8L);
4290	+	}
4291	+
4292	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4293	+	// f plus godot === f (doesn't wait for godot)
4294	+	Monad.assertFutureEquals(Monad.unit(5L),
4295	+	Monad.plus(Monad.unit(5L), godot));
4296	+	// godot plus f === f (doesn't wait for godot)
4297	+	Monad.assertFutureEquals(Monad.unit(5L),
4298	+	Monad.plus(godot, Monad.unit(5L)));
4299	+	}
4300	+
4301	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4302	+	public void testRecursiveChains() throws Throwable {
4303	+	for (ExecutionMode m : ExecutionMode.values())
4304	+	for (boolean addDeadEnds : new boolean[] { true, false })
4305	+	{
4306	+	final int val = 42;
4307	+	final int n = expensiveTests ? 1_000 : 2;
4308	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4309	+	CompletableFuture<Integer> tail = head;
4310	+	for (int i = 0; i < n; i++) {
4311	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4312	+	tail = m.thenApply(tail, v -> v + 1);
4313	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4314	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4315	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4316	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4317	+	}
4318	+	head.complete(val);
4319	+	assertEquals(val + 3 * n, (int) tail.join());
4320	+	}}
4321	+
4322	+	/**
4323	+	* A single CompletableFuture with many dependents.
4324	+	* A demo of scalability - runtime is O(n).
4325	+	*/
4326	+	public void testManyDependents() throws Throwable {
4327	+	final int n = expensiveTests ? 1_000_000 : 10;
4328	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4329	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4330	+	final AtomicInteger count = new AtomicInteger(0);
4331	+	for (int i = 0; i < n; i++) {
4332	+	head.thenRun(() -> count.getAndIncrement());
4333	+	head.thenAccept(x -> count.getAndIncrement());
4334	+	head.thenApply(x -> count.getAndIncrement());
4335	+
4336	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4337	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4338	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4339	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4340	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4341	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4342	+
4343	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4344	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4345	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4346	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4347	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4348	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4349	+	}
4350	+	head.complete(null);
4351	+	assertEquals(5 * 3 * n, count.get());
4352	+	}
4353	+
4354	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4355	+	public void testCoCompletionGarbageRetention() throws Throwable {
4356	+	final int n = expensiveTests ? 1_000_000 : 10;
4357	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4358	+	CompletableFuture<Integer> f;
4359	+	for (int i = 0; i < n; i++) {
4360	+	f = new CompletableFuture<>();
4361	+	f.runAfterEither(incomplete, () -> {});
4362	+	f.complete(null);
4363	+
4364	+	f = new CompletableFuture<>();
4365	+	f.acceptEither(incomplete, x -> {});
4366	+	f.complete(null);
4367	+
4368	+	f = new CompletableFuture<>();
4369	+	f.applyToEither(incomplete, x -> x);
4370	+	f.complete(null);
4371	+
4372	+	f = new CompletableFuture<>();
4373	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4374	+	f.complete(null);
4375	+	}
4376	+
4377	+	for (int i = 0; i < n; i++) {
4378	+	f = new CompletableFuture<>();
4379	+	incomplete.runAfterEither(f, () -> {});
4380	+	f.complete(null);
4381	+
4382	+	f = new CompletableFuture<>();
4383	+	incomplete.acceptEither(f, x -> {});
4384	+	f.complete(null);
4385	+
4386	+	f = new CompletableFuture<>();
4387	+	incomplete.applyToEither(f, x -> x);
4388	+	f.complete(null);
4389	+
4390	+	f = new CompletableFuture<>();
4391	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4392	+	f.complete(null);
4393	+	}
4394	+	}
4395	+
4396	+	/**
4397	+	* Reproduction recipe for:
4398	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4399	+	* cvs update -D '2016-05-01' ./src/main/java/util/concurrent/CompletableFuture.java && ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testAnyOfGarbageRetention tck; cvs update -A
4400	+	*/
4401	+	public void testAnyOfGarbageRetention() throws Throwable {
4402	+	for (Integer v : new Integer[] { 1, null })
4403	+	{
4404	+	final int n = expensiveTests ? 100_000 : 10;
4405	+	CompletableFuture<Integer>[] fs
4406	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4407	+	for (int i = 0; i < fs.length; i++)
4408	+	fs[i] = new CompletableFuture<>();
4409	+	fs[fs.length - 1].complete(v);
4410	+	for (int i = 0; i < n; i++)
4411	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4412	+	}}
4413	+
4414	+	/**
4415	+	* Checks for garbage retention with allOf.
4416	+	*
4417	+	* As of 2016-07, fails with OOME:
4418	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4419	+	*/
4420	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4421	+	final int n = expensiveTests ? 100_000 : 10;
4422	+	CompletableFuture<Integer>[] fs
4423	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4424	+	for (int i = 0; i < fs.length; i++)
4425	+	fs[i] = new CompletableFuture<>();
4426	+	for (int i = 0; i < n; i++)
4427	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4428	+	}
4429	+
4430	+	/**
4431	+	* Checks for garbage retention when a dependent future is
4432	+	* cancelled and garbage-collected.
4433	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4434	+	*
4435	+	* As of 2016-07, fails with OOME:
4436	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4437	+	*/
4438	+	public void testCancelledGarbageRetention() throws Throwable {
4439	+	final int n = expensiveTests ? 100_000 : 10;
4440	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4441	+	for (int i = 0; i < n; i++)
4442	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4443	+	}
4444	+
4445	+	/**
4446	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4447	+	* is invoked many times.
4448	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4449	+	*
4450	+	* As of 2016-07, fails with OOME:
4451	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4452	+	*/
4453	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4454	+	final int n = expensiveTests ? 900_000 : 10;
4455	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4456	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4457	+	for (int i = 0; i < n; i++)
4458	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4459	+	}
4460	+
4461	+	//     static <U> U join(CompletionStage<U> stage) {
4462	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4463	+	//         stage.whenComplete((v, ex) -> {
4464	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4465	+	//         });
4466	+	//         return f.join();
4467	+	//     }
4468	+
4469	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4470	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4471	+	//         stage.whenComplete((v, ex) -> {
4472	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4473	+	//         });
4474	+	//         return f.isDone();
4475	+	//     }
4476	+
4477	+	//     static <U> U join2(CompletionStage<U> stage) {
4478	+	//         return stage.toCompletableFuture().copy().join();
4479	+	//     }
4480	+
4481	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4482	+	//         return stage.toCompletableFuture().copy().isDone();
4483	+	//     }
4484	+
4485		}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines