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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.28 by jsr166, Sun Jul 14 16:34:49 2013 UTC vs.
Revision 1.195 by jsr166, Sun Jul 22 20:09:31 2018 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;
22	<	import static java.util.concurrent.TimeUnit.SECONDS;
23	<	import java.util.*;
24	<	import java.util.function.Supplier;
25	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
27	–	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.Test;
45	+	import junit.framework.TestSuite;
46
47		public class CompletableFutureTest extends JSR166TestCase {
48
49		public static void main(String[] args) {
50	<	junit.textui.TestRunner.run(suite());
50	>	main(suite(), args);
51		}
52		public static Test suite() {
53		return new TestSuite(CompletableFutureTest.class);
#	Line 41 | Line 58 | public class CompletableFutureTest exten
58		void checkIncomplete(CompletableFuture<?> f) {
59		assertFalse(f.isDone());
60		assertFalse(f.isCancelled());
61	<	assertTrue(f.toString().contains("[Not completed]"));
61	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
62	>
63	>	Object result = null;
64		try {
65	<	assertNull(f.getNow(null));
65	>	result = f.getNow(null);
66		} catch (Throwable fail) { threadUnexpectedException(fail); }
67	+	assertNull(result);
68	+
69		try {
70	<	f.get(0L, SECONDS);
70	>	f.get(randomExpiredTimeout(), randomTimeUnit());
71		shouldThrow();
72		}
73		catch (TimeoutException success) {}
#	Line 54 | Line 75 | public class CompletableFutureTest exten
75		}
76
77		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
78	<	try {
79	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
59	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
78	>	checkTimedGet(f, value);
79	>
80		try {
81		assertEquals(value, f.join());
62	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
63	–	try {
82		assertEquals(value, f.getNow(null));
65	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
66	–	try {
83		assertEquals(value, f.get());
84		} catch (Throwable fail) { threadUnexpectedException(fail); }
85		assertTrue(f.isDone());
86		assertFalse(f.isCancelled());
87		assertFalse(f.isCompletedExceptionally());
88	<	assertTrue(f.toString().contains("[Completed normally]"));
88	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
89		}
90
91	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
91	>	/**
92	>	* Returns the "raw" internal exceptional completion of f,
93	>	* without any additional wrapping with CompletionException.
94	>	*/
95	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
96	>	// handle (and whenComplete and exceptionally) can distinguish
97	>	// between "direct" and "wrapped" exceptional completion
98	>	return f.handle((u, t) -> t).join();
99	>	}
100	>
101	>	void checkCompletedExceptionally(CompletableFuture<?> f,
102	>	boolean wrapped,
103	>	Consumer<Throwable> checker) {
104	>	Throwable cause = exceptionalCompletion(f);
105	>	if (wrapped) {
106	>	assertTrue(cause instanceof CompletionException);
107	>	cause = cause.getCause();
108	>	}
109	>	checker.accept(cause);
110	>
111	>	long startTime = System.nanoTime();
112		try {
113		f.get(LONG_DELAY_MS, MILLISECONDS);
114		shouldThrow();
115		} catch (ExecutionException success) {
116	<	assertTrue(success.getCause() instanceof CFException);
116	>	assertSame(cause, success.getCause());
117		} catch (Throwable fail) { threadUnexpectedException(fail); }
118	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
119	+
120		try {
121		f.join();
122		shouldThrow();
123		} catch (CompletionException success) {
124	<	assertTrue(success.getCause() instanceof CFException);
125	<	}
124	>	assertSame(cause, success.getCause());
125	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
126	>
127		try {
128		f.getNow(null);
129		shouldThrow();
130		} catch (CompletionException success) {
131	<	assertTrue(success.getCause() instanceof CFException);
132	<	}
131	>	assertSame(cause, success.getCause());
132	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
133	>
134		try {
135		f.get();
136		shouldThrow();
137		} catch (ExecutionException success) {
138	<	assertTrue(success.getCause() instanceof CFException);
138	>	assertSame(cause, success.getCause());
139		} catch (Throwable fail) { threadUnexpectedException(fail); }
140	<	assertTrue(f.isDone());
140	>
141		assertFalse(f.isCancelled());
142	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
142	>	assertTrue(f.isDone());
143	>	assertTrue(f.isCompletedExceptionally());
144	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
145	>	}
146	>
147	>	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
148	>	checkCompletedExceptionally(f, true,
149	>	t -> assertTrue(t instanceof CFException));
150	>	}
151	>
152	>	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
153	>	checkCompletedExceptionally(f, true,
154	>	t -> assertTrue(t instanceof CancellationException));
155	>	}
156	>
157	>	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
158	>	checkCompletedExceptionally(f, false,
159	>	t -> assertTrue(t instanceof TimeoutException));
160	>	}
161	>
162	>	void checkCompletedWithWrappedException(CompletableFuture<?> f,
163	>	Throwable ex) {
164	>	checkCompletedExceptionally(f, true, t -> assertSame(t, ex));
165	>	}
166	>
167	>	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
168	>	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
169		}
170
171		void checkCancelled(CompletableFuture<?> f) {
172	+	long startTime = System.nanoTime();
173		try {
174		f.get(LONG_DELAY_MS, MILLISECONDS);
175		shouldThrow();
176		} catch (CancellationException success) {
177		} catch (Throwable fail) { threadUnexpectedException(fail); }
178	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
179	+
180		try {
181		f.join();
182		shouldThrow();
#	Line 121 | Line 190 | public class CompletableFutureTest exten
190		shouldThrow();
191		} catch (CancellationException success) {
192		} catch (Throwable fail) { threadUnexpectedException(fail); }
124	–	assertTrue(f.isDone());
125	–	assertTrue(f.isCompletedExceptionally());
126	–	assertTrue(f.isCancelled());
127	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
128	–	}
193
194	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
195	<	try {
132	<	f.get(LONG_DELAY_MS, MILLISECONDS);
133	<	shouldThrow();
134	<	} catch (ExecutionException success) {
135	<	assertTrue(success.getCause() instanceof CancellationException);
136	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
137	<	try {
138	<	f.join();
139	<	shouldThrow();
140	<	} catch (CompletionException success) {
141	<	assertTrue(success.getCause() instanceof CancellationException);
142	<	}
143	<	try {
144	<	f.getNow(null);
145	<	shouldThrow();
146	<	} catch (CompletionException success) {
147	<	assertTrue(success.getCause() instanceof CancellationException);
148	<	}
149	<	try {
150	<	f.get();
151	<	shouldThrow();
152	<	} catch (ExecutionException success) {
153	<	assertTrue(success.getCause() instanceof CancellationException);
154	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
194	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
195	>
196		assertTrue(f.isDone());
156	–	assertFalse(f.isCancelled());
197		assertTrue(f.isCompletedExceptionally());
198	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
198	>	assertTrue(f.isCancelled());
199	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
200		}
201
202		/**
#	Line 172 | Line 213 | public class CompletableFutureTest exten
213		* isCancelled, join, get, and getNow
214		*/
215		public void testComplete() {
216	+	for (Integer v1 : new Integer[] { 1, null })
217	+	{
218		CompletableFuture<Integer> f = new CompletableFuture<>();
219		checkIncomplete(f);
220	<	f.complete(one);
221	<	checkCompletedNormally(f, one);
222	<	}
220	>	assertTrue(f.complete(v1));
221	>	assertFalse(f.complete(v1));
222	>	checkCompletedNormally(f, v1);
223	>	}}
224
225		/**
226		* completeExceptionally completes exceptionally, as indicated by
#	Line 184 | Line 228 | public class CompletableFutureTest exten
228		*/
229		public void testCompleteExceptionally() {
230		CompletableFuture<Integer> f = new CompletableFuture<>();
231	+	CFException ex = new CFException();
232		checkIncomplete(f);
233	<	f.completeExceptionally(new CFException());
234	<	checkCompletedWithWrappedCFException(f);
233	>	f.completeExceptionally(ex);
234	>	checkCompletedExceptionally(f, ex);
235		}
236
237		/**
#	Line 194 | Line 239 | public class CompletableFutureTest exten
239		* methods isDone, isCancelled, join, get, and getNow
240		*/
241		public void testCancel() {
242	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
243	+	{
244		CompletableFuture<Integer> f = new CompletableFuture<>();
245		checkIncomplete(f);
246	<	assertTrue(f.cancel(true));
246	>	assertTrue(f.cancel(mayInterruptIfRunning));
247	>	assertTrue(f.cancel(mayInterruptIfRunning));
248	>	assertTrue(f.cancel(!mayInterruptIfRunning));
249		checkCancelled(f);
250	<	}
250	>	}}
251
252		/**
253		* obtrudeValue forces completion with given value
#	Line 206 | Line 255 | public class CompletableFutureTest exten
255		public void testObtrudeValue() {
256		CompletableFuture<Integer> f = new CompletableFuture<>();
257		checkIncomplete(f);
258	<	f.complete(one);
258	>	assertTrue(f.complete(one));
259		checkCompletedNormally(f, one);
260		f.obtrudeValue(three);
261		checkCompletedNormally(f, three);
#	Line 215 | Line 264 | public class CompletableFutureTest exten
264		f = new CompletableFuture<>();
265		f.obtrudeValue(three);
266		checkCompletedNormally(f, three);
267	+	f.obtrudeValue(null);
268	+	checkCompletedNormally(f, null);
269		f = new CompletableFuture<>();
270		f.completeExceptionally(new CFException());
271		f.obtrudeValue(four);
#	Line 225 | Line 276 | public class CompletableFutureTest exten
276		* obtrudeException forces completion with given exception
277		*/
278		public void testObtrudeException() {
279	<	CompletableFuture<Integer> f = new CompletableFuture<>();
280	<	checkIncomplete(f);
281	<	f.complete(one);
282	<	checkCompletedNormally(f, one);
283	<	f.obtrudeException(new CFException());
284	<	checkCompletedWithWrappedCFException(f);
279	>	for (Integer v1 : new Integer[] { 1, null })
280	>	{
281	>	CFException ex;
282	>	CompletableFuture<Integer> f;
283	>
284	>	f = new CompletableFuture<>();
285	>	assertTrue(f.complete(v1));
286	>	for (int i = 0; i < 2; i++) {
287	>	f.obtrudeException(ex = new CFException());
288	>	checkCompletedExceptionally(f, ex);
289	>	}
290	>
291		f = new CompletableFuture<>();
292	<	f.obtrudeException(new CFException());
293	<	checkCompletedWithWrappedCFException(f);
292	>	for (int i = 0; i < 2; i++) {
293	>	f.obtrudeException(ex = new CFException());
294	>	checkCompletedExceptionally(f, ex);
295	>	}
296	>
297		f = new CompletableFuture<>();
298		f.completeExceptionally(new CFException());
299	<	f.obtrudeValue(four);
300	<	checkCompletedNormally(f, four);
301	<	f.obtrudeException(new CFException());
302	<	checkCompletedWithWrappedCFException(f);
303	<	}
299	>	f.obtrudeValue(v1);
300	>	checkCompletedNormally(f, v1);
301	>	f.obtrudeException(ex = new CFException());
302	>	checkCompletedExceptionally(f, ex);
303	>	f.completeExceptionally(new CFException());
304	>	checkCompletedExceptionally(f, ex);
305	>	assertFalse(f.complete(v1));
306	>	checkCompletedExceptionally(f, ex);
307	>	}}
308
309		/**
310		* getNumberOfDependents returns number of dependent tasks
311		*/
312		public void testGetNumberOfDependents() {
313	<	CompletableFuture<Integer> f = new CompletableFuture<>();
314	<	assertEquals(f.getNumberOfDependents(), 0);
315	<	CompletableFuture g = f.thenRun(new Noop());
316	<	assertEquals(f.getNumberOfDependents(), 1);
317	<	assertEquals(g.getNumberOfDependents(), 0);
318	<	CompletableFuture h = f.thenRun(new Noop());
319	<	assertEquals(f.getNumberOfDependents(), 2);
320	<	f.complete(1);
313	>	for (ExecutionMode m : ExecutionMode.values())
314	>	for (Integer v1 : new Integer[] { 1, null })
315	>	{
316	>	CompletableFuture<Integer> f = new CompletableFuture<>();
317	>	assertEquals(0, f.getNumberOfDependents());
318	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
319	>	assertEquals(1, f.getNumberOfDependents());
320	>	assertEquals(0, g.getNumberOfDependents());
321	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
322	>	assertEquals(2, f.getNumberOfDependents());
323	>	assertEquals(0, h.getNumberOfDependents());
324	>	assertTrue(f.complete(v1));
325		checkCompletedNormally(g, null);
326	<	assertEquals(f.getNumberOfDependents(), 0);
327	<	assertEquals(g.getNumberOfDependents(), 0);
328	<	}
326	>	checkCompletedNormally(h, null);
327	>	assertEquals(0, f.getNumberOfDependents());
328	>	assertEquals(0, g.getNumberOfDependents());
329	>	assertEquals(0, h.getNumberOfDependents());
330	>	}}
331
332		/**
333		* toString indicates current completion state
334		*/
335	<	public void testToString() {
336	<	CompletableFuture<String> f;
337	<
338	<	f = new CompletableFuture<String>();
339	<	assertTrue(f.toString().contains("[Not completed]"));
340	<
341	<	f.complete("foo");
342	<	assertTrue(f.toString().contains("[Completed normally]"));
343	<
344	<	f = new CompletableFuture<String>();
345	<	f.completeExceptionally(new IndexOutOfBoundsException());
346	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
335	>	public void testToString_incomplete() {
336	>	CompletableFuture<String> f = new CompletableFuture<>();
337	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
338	>	if (testImplementationDetails)
339	>	assertEquals(identityString(f) + "[Not completed]",
340	>	f.toString());
341	>	}
342	>
343	>	public void testToString_normal() {
344	>	CompletableFuture<String> f = new CompletableFuture<>();
345	>	assertTrue(f.complete("foo"));
346	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
347	>	if (testImplementationDetails)
348	>	assertEquals(identityString(f) + "[Completed normally]",
349	>	f.toString());
350	>	}
351	>
352	>	public void testToString_exception() {
353	>	CompletableFuture<String> f = new CompletableFuture<>();
354	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
355	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
356	>	if (testImplementationDetails)
357	>	assertTrue(f.toString().startsWith(
358	>	identityString(f) + "[Completed exceptionally: "));
359	>	}
360	>
361	>	public void testToString_cancelled() {
362	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
363	>	CompletableFuture<String> f = new CompletableFuture<>();
364	>	assertTrue(f.cancel(mayInterruptIfRunning));
365	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
366	>	if (testImplementationDetails)
367	>	assertTrue(f.toString().startsWith(
368	>	identityString(f) + "[Completed exceptionally: "));
369	>	}
370		}
371
372		/**
#	Line 284 | Line 377 | public class CompletableFutureTest exten
377		checkCompletedNormally(f, "test");
378		}
379
380	<	// Choose non-commutative actions for better coverage
380	>	abstract static class CheckedAction {
381	>	int invocationCount = 0;
382	>	final ExecutionMode m;
383	>	CheckedAction(ExecutionMode m) { this.m = m; }
384	>	void invoked() {
385	>	m.checkExecutionMode();
386	>	assertEquals(0, invocationCount++);
387	>	}
388	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
389	>	void assertInvoked() { assertEquals(1, invocationCount); }
390	>	}
391	>
392	>	abstract static class CheckedIntegerAction extends CheckedAction {
393	>	Integer value;
394	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
395	>	void assertValue(Integer expected) {
396	>	assertInvoked();
397	>	assertEquals(expected, value);
398	>	}
399	>	}
400	>
401	>	static class IntegerSupplier extends CheckedAction
402	>	implements Supplier<Integer>
403	>	{
404	>	final Integer value;
405	>	IntegerSupplier(ExecutionMode m, Integer value) {
406	>	super(m);
407	>	this.value = value;
408	>	}
409	>	public Integer get() {
410	>	invoked();
411	>	return value;
412	>	}
413	>	}
414	>
415	>	// A function that handles and produces null values as well.
416	>	static Integer inc(Integer x) {
417	>	return (x == null) ? null : x + 1;
418	>	}
419
420	<	static final Supplier<Integer> supplyOne =
421	<	() -> Integer.valueOf(1);
422	<	static final Function<Integer, Integer> inc =
423	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
424	<	static final BiFunction<Integer, Integer, Integer> subtract =
425	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
426	<	static final class IncAction implements Consumer<Integer> {
427	<	int value;
297	<	public void accept(Integer x) { value = x.intValue() + 1; }
420	>	static class NoopConsumer extends CheckedIntegerAction
421	>	implements Consumer<Integer>
422	>	{
423	>	NoopConsumer(ExecutionMode m) { super(m); }
424	>	public void accept(Integer x) {
425	>	invoked();
426	>	value = x;
427	>	}
428		}
429	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
430	<	int value;
429	>
430	>	static class IncFunction extends CheckedIntegerAction
431	>	implements Function<Integer,Integer>
432	>	{
433	>	IncFunction(ExecutionMode m) { super(m); }
434	>	public Integer apply(Integer x) {
435	>	invoked();
436	>	return value = inc(x);
437	>	}
438	>	}
439	>
440	>	// Choose non-commutative actions for better coverage
441	>	// A non-commutative function that handles and produces null values as well.
442	>	static Integer subtract(Integer x, Integer y) {
443	>	return (x == null && y == null) ? null :
444	>	((x == null) ? 42 : x.intValue())
445	>	- ((y == null) ? 99 : y.intValue());
446	>	}
447	>
448	>	static class SubtractAction extends CheckedIntegerAction
449	>	implements BiConsumer<Integer, Integer>
450	>	{
451	>	SubtractAction(ExecutionMode m) { super(m); }
452		public void accept(Integer x, Integer y) {
453	<	value = x.intValue() - y.intValue();
453	>	invoked();
454	>	value = subtract(x, y);
455		}
456		}
457	<	static final class Noop implements Runnable {
458	<	boolean ran;
459	<	public void run() { ran = true; }
457	>
458	>	static class SubtractFunction extends CheckedIntegerAction
459	>	implements BiFunction<Integer, Integer, Integer>
460	>	{
461	>	SubtractFunction(ExecutionMode m) { super(m); }
462	>	public Integer apply(Integer x, Integer y) {
463	>	invoked();
464	>	return value = subtract(x, y);
465	>	}
466		}
467
468	<	static final class FailingSupplier implements Supplier<Integer> {
469	<	boolean ran;
470	<	public Integer get() { ran = true; throw new CFException(); }
468	>	static class Noop extends CheckedAction implements Runnable {
469	>	Noop(ExecutionMode m) { super(m); }
470	>	public void run() {
471	>	invoked();
472	>	}
473		}
474	<	static final class FailingConsumer implements Consumer<Integer> {
475	<	boolean ran;
476	<	public void accept(Integer x) { ran = true; throw new CFException(); }
474	>
475	>	static class FailingSupplier extends CheckedAction
476	>	implements Supplier<Integer>
477	>	{
478	>	final CFException ex;
479	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
480	>	public Integer get() {
481	>	invoked();
482	>	throw ex;
483	>	}
484		}
485	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
486	<	boolean ran;
487	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
485	>
486	>	static class FailingConsumer extends CheckedIntegerAction
487	>	implements Consumer<Integer>
488	>	{
489	>	final CFException ex;
490	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
491	>	public void accept(Integer x) {
492	>	invoked();
493	>	value = x;
494	>	throw ex;
495	>	}
496	>	}
497	>
498	>	static class FailingBiConsumer extends CheckedIntegerAction
499	>	implements BiConsumer<Integer, Integer>
500	>	{
501	>	final CFException ex;
502	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
503	>	public void accept(Integer x, Integer y) {
504	>	invoked();
505	>	value = subtract(x, y);
506	>	throw ex;
507	>	}
508		}
509	<	static final class FailingFunction implements Function<Integer, Integer> {
510	<	boolean ran;
511	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
509	>
510	>	static class FailingFunction extends CheckedIntegerAction
511	>	implements Function<Integer, Integer>
512	>	{
513	>	final CFException ex;
514	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
515	>	public Integer apply(Integer x) {
516	>	invoked();
517	>	value = x;
518	>	throw ex;
519	>	}
520		}
521	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
522	<	boolean ran;
523	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
521	>
522	>	static class FailingBiFunction extends CheckedIntegerAction
523	>	implements BiFunction<Integer, Integer, Integer>
524	>	{
525	>	final CFException ex;
526	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
527	>	public Integer apply(Integer x, Integer y) {
528	>	invoked();
529	>	value = subtract(x, y);
530	>	throw ex;
531	>	}
532		}
533	<	static final class FailingNoop implements Runnable {
534	<	boolean ran;
535	<	public void run() { ran = true; throw new CFException(); }
533	>
534	>	static class FailingRunnable extends CheckedAction implements Runnable {
535	>	final CFException ex;
536	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
537	>	public void run() {
538	>	invoked();
539	>	throw ex;
540	>	}
541		}
542
543	<	static final class CompletableFutureInc
544	<	implements Function<Integer, CompletableFuture<Integer>> {
545	<	boolean ran;
543	>	static class CompletableFutureInc extends CheckedIntegerAction
544	>	implements Function<Integer, CompletableFuture<Integer>>
545	>	{
546	>	CompletableFutureInc(ExecutionMode m) { super(m); }
547		public CompletableFuture<Integer> apply(Integer x) {
548	<	ran = true;
548	>	invoked();
549	>	value = x;
550		CompletableFuture<Integer> f = new CompletableFuture<>();
551	<	f.complete(Integer.valueOf(x.intValue() + 1));
551	>	assertTrue(f.complete(inc(x)));
552		return f;
553		}
554		}
555
556	<	static final class FailingCompletableFutureFunction
557	<	implements Function<Integer, CompletableFuture<Integer>> {
558	<	boolean ran;
556	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
557	>	implements Function<Integer, CompletableFuture<Integer>>
558	>	{
559	>	final CFException ex;
560	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
561		public CompletableFuture<Integer> apply(Integer x) {
562	<	ran = true; throw new CFException();
562	>	invoked();
563	>	value = x;
564	>	throw ex;
565	>	}
566	>	}
567	>
568	>	static class CountingRejectingExecutor implements Executor {
569	>	final RejectedExecutionException ex = new RejectedExecutionException();
570	>	final AtomicInteger count = new AtomicInteger(0);
571	>	public void execute(Runnable r) {
572	>	count.getAndIncrement();
573	>	throw ex;
574		}
575		}
576
577		// Used for explicit executor tests
578		static final class ThreadExecutor implements Executor {
579	<	AtomicInteger count = new AtomicInteger(0);
579	>	final AtomicInteger count = new AtomicInteger(0);
580	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
581	>	static boolean startedCurrentThread() {
582	>	return Thread.currentThread().getThreadGroup() == tg;
583	>	}
584
585		public void execute(Runnable r) {
586		count.getAndIncrement();
587	<	new Thread(r).start();
587	>	new Thread(tg, r).start();
588		}
589		}
590
591	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
592	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
366	<	}
591	>	static final boolean defaultExecutorIsCommonPool
592	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
593
594	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
595	<	boolean ran;
596	<	public Integer apply(Integer x, Throwable t) {
597	<	ran = true;
598	<	return (t == null) ? two : three;
599	<	}
600	<	}
594	>	/**
595	>	* Permits the testing of parallel code for the 3 different
596	>	* execution modes without copy/pasting all the test methods.
597	>	*/
598	>	enum ExecutionMode {
599	>	SYNC {
600	>	public void checkExecutionMode() {
601	>	assertFalse(ThreadExecutor.startedCurrentThread());
602	>	assertNull(ForkJoinTask.getPool());
603	>	}
604	>	public CompletableFuture<Void> runAsync(Runnable a) {
605	>	throw new UnsupportedOperationException();
606	>	}
607	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
608	>	throw new UnsupportedOperationException();
609	>	}
610	>	public <T> CompletableFuture<Void> thenRun
611	>	(CompletableFuture<T> f, Runnable a) {
612	>	return f.thenRun(a);
613	>	}
614	>	public <T> CompletableFuture<Void> thenAccept
615	>	(CompletableFuture<T> f, Consumer<? super T> a) {
616	>	return f.thenAccept(a);
617	>	}
618	>	public <T,U> CompletableFuture<U> thenApply
619	>	(CompletableFuture<T> f, Function<? super T,U> a) {
620	>	return f.thenApply(a);
621	>	}
622	>	public <T,U> CompletableFuture<U> thenCompose
623	>	(CompletableFuture<T> f,
624	>	Function<? super T,? extends CompletionStage<U>> a) {
625	>	return f.thenCompose(a);
626	>	}
627	>	public <T,U> CompletableFuture<U> handle
628	>	(CompletableFuture<T> f,
629	>	BiFunction<? super T,Throwable,? extends U> a) {
630	>	return f.handle(a);
631	>	}
632	>	public <T> CompletableFuture<T> whenComplete
633	>	(CompletableFuture<T> f,
634	>	BiConsumer<? super T,? super Throwable> a) {
635	>	return f.whenComplete(a);
636	>	}
637	>	public <T,U> CompletableFuture<Void> runAfterBoth
638	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
639	>	return f.runAfterBoth(g, a);
640	>	}
641	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
642	>	(CompletableFuture<T> f,
643	>	CompletionStage<? extends U> g,
644	>	BiConsumer<? super T,? super U> a) {
645	>	return f.thenAcceptBoth(g, a);
646	>	}
647	>	public <T,U,V> CompletableFuture<V> thenCombine
648	>	(CompletableFuture<T> f,
649	>	CompletionStage<? extends U> g,
650	>	BiFunction<? super T,? super U,? extends V> a) {
651	>	return f.thenCombine(g, a);
652	>	}
653	>	public <T> CompletableFuture<Void> runAfterEither
654	>	(CompletableFuture<T> f,
655	>	CompletionStage<?> g,
656	>	java.lang.Runnable a) {
657	>	return f.runAfterEither(g, a);
658	>	}
659	>	public <T> CompletableFuture<Void> acceptEither
660	>	(CompletableFuture<T> f,
661	>	CompletionStage<? extends T> g,
662	>	Consumer<? super T> a) {
663	>	return f.acceptEither(g, a);
664	>	}
665	>	public <T,U> CompletableFuture<U> applyToEither
666	>	(CompletableFuture<T> f,
667	>	CompletionStage<? extends T> g,
668	>	Function<? super T,U> a) {
669	>	return f.applyToEither(g, a);
670	>	}
671	>	},
672	>
673	>	ASYNC {
674	>	public void checkExecutionMode() {
675	>	assertEquals(defaultExecutorIsCommonPool,
676	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
677	>	}
678	>	public CompletableFuture<Void> runAsync(Runnable a) {
679	>	return CompletableFuture.runAsync(a);
680	>	}
681	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
682	>	return CompletableFuture.supplyAsync(a);
683	>	}
684	>	public <T> CompletableFuture<Void> thenRun
685	>	(CompletableFuture<T> f, Runnable a) {
686	>	return f.thenRunAsync(a);
687	>	}
688	>	public <T> CompletableFuture<Void> thenAccept
689	>	(CompletableFuture<T> f, Consumer<? super T> a) {
690	>	return f.thenAcceptAsync(a);
691	>	}
692	>	public <T,U> CompletableFuture<U> thenApply
693	>	(CompletableFuture<T> f, Function<? super T,U> a) {
694	>	return f.thenApplyAsync(a);
695	>	}
696	>	public <T,U> CompletableFuture<U> thenCompose
697	>	(CompletableFuture<T> f,
698	>	Function<? super T,? extends CompletionStage<U>> a) {
699	>	return f.thenComposeAsync(a);
700	>	}
701	>	public <T,U> CompletableFuture<U> handle
702	>	(CompletableFuture<T> f,
703	>	BiFunction<? super T,Throwable,? extends U> a) {
704	>	return f.handleAsync(a);
705	>	}
706	>	public <T> CompletableFuture<T> whenComplete
707	>	(CompletableFuture<T> f,
708	>	BiConsumer<? super T,? super Throwable> a) {
709	>	return f.whenCompleteAsync(a);
710	>	}
711	>	public <T,U> CompletableFuture<Void> runAfterBoth
712	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
713	>	return f.runAfterBothAsync(g, a);
714	>	}
715	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
716	>	(CompletableFuture<T> f,
717	>	CompletionStage<? extends U> g,
718	>	BiConsumer<? super T,? super U> a) {
719	>	return f.thenAcceptBothAsync(g, a);
720	>	}
721	>	public <T,U,V> CompletableFuture<V> thenCombine
722	>	(CompletableFuture<T> f,
723	>	CompletionStage<? extends U> g,
724	>	BiFunction<? super T,? super U,? extends V> a) {
725	>	return f.thenCombineAsync(g, a);
726	>	}
727	>	public <T> CompletableFuture<Void> runAfterEither
728	>	(CompletableFuture<T> f,
729	>	CompletionStage<?> g,
730	>	java.lang.Runnable a) {
731	>	return f.runAfterEitherAsync(g, a);
732	>	}
733	>	public <T> CompletableFuture<Void> acceptEither
734	>	(CompletableFuture<T> f,
735	>	CompletionStage<? extends T> g,
736	>	Consumer<? super T> a) {
737	>	return f.acceptEitherAsync(g, a);
738	>	}
739	>	public <T,U> CompletableFuture<U> applyToEither
740	>	(CompletableFuture<T> f,
741	>	CompletionStage<? extends T> g,
742	>	Function<? super T,U> a) {
743	>	return f.applyToEitherAsync(g, a);
744	>	}
745	>	},
746	>
747	>	EXECUTOR {
748	>	public void checkExecutionMode() {
749	>	assertTrue(ThreadExecutor.startedCurrentThread());
750	>	}
751	>	public CompletableFuture<Void> runAsync(Runnable a) {
752	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
753	>	}
754	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
755	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
756	>	}
757	>	public <T> CompletableFuture<Void> thenRun
758	>	(CompletableFuture<T> f, Runnable a) {
759	>	return f.thenRunAsync(a, new ThreadExecutor());
760	>	}
761	>	public <T> CompletableFuture<Void> thenAccept
762	>	(CompletableFuture<T> f, Consumer<? super T> a) {
763	>	return f.thenAcceptAsync(a, new ThreadExecutor());
764	>	}
765	>	public <T,U> CompletableFuture<U> thenApply
766	>	(CompletableFuture<T> f, Function<? super T,U> a) {
767	>	return f.thenApplyAsync(a, new ThreadExecutor());
768	>	}
769	>	public <T,U> CompletableFuture<U> thenCompose
770	>	(CompletableFuture<T> f,
771	>	Function<? super T,? extends CompletionStage<U>> a) {
772	>	return f.thenComposeAsync(a, new ThreadExecutor());
773	>	}
774	>	public <T,U> CompletableFuture<U> handle
775	>	(CompletableFuture<T> f,
776	>	BiFunction<? super T,Throwable,? extends U> a) {
777	>	return f.handleAsync(a, new ThreadExecutor());
778	>	}
779	>	public <T> CompletableFuture<T> whenComplete
780	>	(CompletableFuture<T> f,
781	>	BiConsumer<? super T,? super Throwable> a) {
782	>	return f.whenCompleteAsync(a, new ThreadExecutor());
783	>	}
784	>	public <T,U> CompletableFuture<Void> runAfterBoth
785	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
786	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
787	>	}
788	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
789	>	(CompletableFuture<T> f,
790	>	CompletionStage<? extends U> g,
791	>	BiConsumer<? super T,? super U> a) {
792	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
793	>	}
794	>	public <T,U,V> CompletableFuture<V> thenCombine
795	>	(CompletableFuture<T> f,
796	>	CompletionStage<? extends U> g,
797	>	BiFunction<? super T,? super U,? extends V> a) {
798	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
799	>	}
800	>	public <T> CompletableFuture<Void> runAfterEither
801	>	(CompletableFuture<T> f,
802	>	CompletionStage<?> g,
803	>	java.lang.Runnable a) {
804	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
805	>	}
806	>	public <T> CompletableFuture<Void> acceptEither
807	>	(CompletableFuture<T> f,
808	>	CompletionStage<? extends T> g,
809	>	Consumer<? super T> a) {
810	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
811	>	}
812	>	public <T,U> CompletableFuture<U> applyToEither
813	>	(CompletableFuture<T> f,
814	>	CompletionStage<? extends T> g,
815	>	Function<? super T,U> a) {
816	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
817	>	}
818	>	};
819	>
820	>	public abstract void checkExecutionMode();
821	>	public abstract CompletableFuture<Void> runAsync(Runnable a);
822	>	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
823	>	public abstract <T> CompletableFuture<Void> thenRun
824	>	(CompletableFuture<T> f, Runnable a);
825	>	public abstract <T> CompletableFuture<Void> thenAccept
826	>	(CompletableFuture<T> f, Consumer<? super T> a);
827	>	public abstract <T,U> CompletableFuture<U> thenApply
828	>	(CompletableFuture<T> f, Function<? super T,U> a);
829	>	public abstract <T,U> CompletableFuture<U> thenCompose
830	>	(CompletableFuture<T> f,
831	>	Function<? super T,? extends CompletionStage<U>> a);
832	>	public abstract <T,U> CompletableFuture<U> handle
833	>	(CompletableFuture<T> f,
834	>	BiFunction<? super T,Throwable,? extends U> a);
835	>	public abstract <T> CompletableFuture<T> whenComplete
836	>	(CompletableFuture<T> f,
837	>	BiConsumer<? super T,? super Throwable> a);
838	>	public abstract <T,U> CompletableFuture<Void> runAfterBoth
839	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
840	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
841	>	(CompletableFuture<T> f,
842	>	CompletionStage<? extends U> g,
843	>	BiConsumer<? super T,? super U> a);
844	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
845	>	(CompletableFuture<T> f,
846	>	CompletionStage<? extends U> g,
847	>	BiFunction<? super T,? super U,? extends V> a);
848	>	public abstract <T> CompletableFuture<Void> runAfterEither
849	>	(CompletableFuture<T> f,
850	>	CompletionStage<?> g,
851	>	java.lang.Runnable a);
852	>	public abstract <T> CompletableFuture<Void> acceptEither
853	>	(CompletableFuture<T> f,
854	>	CompletionStage<? extends T> g,
855	>	Consumer<? super T> a);
856	>	public abstract <T,U> CompletableFuture<U> applyToEither
857	>	(CompletableFuture<T> f,
858	>	CompletionStage<? extends T> g,
859	>	Function<? super T,U> a);
860	>	}
861	>
862	>	/**
863	>	* exceptionally action is not invoked when source completes
864	>	* normally, and source result is propagated
865	>	*/
866	>	public void testExceptionally_normalCompletion() {
867	>	for (boolean createIncomplete : new boolean[] { true, false })
868	>	for (Integer v1 : new Integer[] { 1, null })
869	>	{
870	>	final AtomicInteger a = new AtomicInteger(0);
871	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
872	>	if (!createIncomplete) assertTrue(f.complete(v1));
873	>	final CompletableFuture<Integer> g = f.exceptionally
874	>	((Throwable t) -> {
875	>	a.getAndIncrement();
876	>	threadFail("should not be called");
877	>	return null;            // unreached
878	>	});
879	>	if (createIncomplete) assertTrue(f.complete(v1));
880	>
881	>	checkCompletedNormally(g, v1);
882	>	checkCompletedNormally(f, v1);
883	>	assertEquals(0, a.get());
884	>	}}
885
886		/**
887		* exceptionally action completes with function value on source
888	<	* exception;  otherwise with source value
888	>	* exception
889		*/
890	<	public void testExceptionally() {
891	<	CompletableFuture<Integer> f = new CompletableFuture<>();
892	<	ExceptionToInteger r = new ExceptionToInteger();
893	<	CompletableFuture<Integer> g = f.exceptionally(r);
894	<	f.completeExceptionally(new CFException());
895	<	checkCompletedNormally(g, three);
890	>	public void testExceptionally_exceptionalCompletion() {
891	>	for (boolean createIncomplete : new boolean[] { true, false })
892	>	for (Integer v1 : new Integer[] { 1, null })
893	>	{
894	>	final AtomicInteger a = new AtomicInteger(0);
895	>	final CFException ex = new CFException();
896	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
897	>	if (!createIncomplete) f.completeExceptionally(ex);
898	>	final CompletableFuture<Integer> g = f.exceptionally
899	>	((Throwable t) -> {
900	>	ExecutionMode.SYNC.checkExecutionMode();
901	>	threadAssertSame(t, ex);
902	>	a.getAndIncrement();
903	>	return v1;
904	>	});
905	>	if (createIncomplete) f.completeExceptionally(ex);
906	>
907	>	checkCompletedNormally(g, v1);
908	>	assertEquals(1, a.get());
909	>	}}
910	>
911	>	/**
912	>	* If an "exceptionally action" throws an exception, it completes
913	>	* exceptionally with that exception
914	>	*/
915	>	public void testExceptionally_exceptionalCompletionActionFailed() {
916	>	for (boolean createIncomplete : new boolean[] { true, false })
917	>	{
918	>	final AtomicInteger a = new AtomicInteger(0);
919	>	final CFException ex1 = new CFException();
920	>	final CFException ex2 = new CFException();
921	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
922	>	if (!createIncomplete) f.completeExceptionally(ex1);
923	>	final CompletableFuture<Integer> g = f.exceptionally
924	>	((Throwable t) -> {
925	>	ExecutionMode.SYNC.checkExecutionMode();
926	>	threadAssertSame(t, ex1);
927	>	a.getAndIncrement();
928	>	throw ex2;
929	>	});
930	>	if (createIncomplete) f.completeExceptionally(ex1);
931	>
932	>	checkCompletedWithWrappedException(g, ex2);
933	>	checkCompletedExceptionally(f, ex1);
934	>	assertEquals(1, a.get());
935	>	}}
936
937	<	f = new CompletableFuture<>();
938	<	r = new ExceptionToInteger();
939	<	g = f.exceptionally(r);
940	<	f.complete(one);
941	<	checkCompletedNormally(g, one);
942	<	}
937	>	/**
938	>	* whenComplete action executes on normal completion, propagating
939	>	* source result.
940	>	*/
941	>	public void testWhenComplete_normalCompletion() {
942	>	for (ExecutionMode m : ExecutionMode.values())
943	>	for (boolean createIncomplete : new boolean[] { true, false })
944	>	for (Integer v1 : new Integer[] { 1, null })
945	>	{
946	>	final AtomicInteger a = new AtomicInteger(0);
947	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
948	>	if (!createIncomplete) assertTrue(f.complete(v1));
949	>	final CompletableFuture<Integer> g = m.whenComplete
950	>	(f,
951	>	(Integer result, Throwable t) -> {
952	>	m.checkExecutionMode();
953	>	threadAssertSame(result, v1);
954	>	threadAssertNull(t);
955	>	a.getAndIncrement();
956	>	});
957	>	if (createIncomplete) assertTrue(f.complete(v1));
958	>
959	>	checkCompletedNormally(g, v1);
960	>	checkCompletedNormally(f, v1);
961	>	assertEquals(1, a.get());
962	>	}}
963
964		/**
965	<	* handle action completes normally with function value on either
966	<	* normal or exceptional completion of source
965	>	* whenComplete action executes on exceptional completion, propagating
966	>	* source result.
967		*/
968	<	public void testHandle() {
969	<	CompletableFuture<Integer> f, g;
970	<	IntegerHandler r;
968	>	public void testWhenComplete_exceptionalCompletion() {
969	>	for (ExecutionMode m : ExecutionMode.values())
970	>	for (boolean createIncomplete : new boolean[] { true, false })
971	>	{
972	>	final AtomicInteger a = new AtomicInteger(0);
973	>	final CFException ex = new CFException();
974	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
975	>	if (!createIncomplete) f.completeExceptionally(ex);
976	>	final CompletableFuture<Integer> g = m.whenComplete
977	>	(f,
978	>	(Integer result, Throwable t) -> {
979	>	m.checkExecutionMode();
980	>	threadAssertNull(result);
981	>	threadAssertSame(t, ex);
982	>	a.getAndIncrement();
983	>	});
984	>	if (createIncomplete) f.completeExceptionally(ex);
985	>
986	>	checkCompletedWithWrappedException(g, ex);
987	>	checkCompletedExceptionally(f, ex);
988	>	assertEquals(1, a.get());
989	>	}}
990	>
991	>	/**
992	>	* whenComplete action executes on cancelled source, propagating
993	>	* CancellationException.
994	>	*/
995	>	public void testWhenComplete_sourceCancelled() {
996	>	for (ExecutionMode m : ExecutionMode.values())
997	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
998	>	for (boolean createIncomplete : new boolean[] { true, false })
999	>	{
1000	>	final AtomicInteger a = new AtomicInteger(0);
1001	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1002	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1003	>	final CompletableFuture<Integer> g = m.whenComplete
1004	>	(f,
1005	>	(Integer result, Throwable t) -> {
1006	>	m.checkExecutionMode();
1007	>	threadAssertNull(result);
1008	>	threadAssertTrue(t instanceof CancellationException);
1009	>	a.getAndIncrement();
1010	>	});
1011	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1012
1013	<	f = new CompletableFuture<>();
1014	<	f.completeExceptionally(new CFException());
1015	<	g = f.handle(r = new IntegerHandler());
1016	<	assertTrue(r.ran);
406	<	checkCompletedNormally(g, three);
1013	>	checkCompletedWithWrappedCancellationException(g);
1014	>	checkCancelled(f);
1015	>	assertEquals(1, a.get());
1016	>	}}
1017
1018	<	f = new CompletableFuture<>();
1019	<	g = f.handle(r = new IntegerHandler());
1020	<	assertFalse(r.ran);
1021	<	f.completeExceptionally(new CFException());
1022	<	checkCompletedNormally(g, three);
1023	<	assertTrue(r.ran);
1018	>	/**
1019	>	* If a whenComplete action throws an exception when triggered by
1020	>	* a normal completion, it completes exceptionally
1021	>	*/
1022	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1023	>	for (boolean createIncomplete : new boolean[] { true, false })
1024	>	for (ExecutionMode m : ExecutionMode.values())
1025	>	for (Integer v1 : new Integer[] { 1, null })
1026	>	{
1027	>	final AtomicInteger a = new AtomicInteger(0);
1028	>	final CFException ex = new CFException();
1029	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1030	>	if (!createIncomplete) assertTrue(f.complete(v1));
1031	>	final CompletableFuture<Integer> g = m.whenComplete
1032	>	(f,
1033	>	(Integer result, Throwable t) -> {
1034	>	m.checkExecutionMode();
1035	>	threadAssertSame(result, v1);
1036	>	threadAssertNull(t);
1037	>	a.getAndIncrement();
1038	>	throw ex;
1039	>	});
1040	>	if (createIncomplete) assertTrue(f.complete(v1));
1041	>
1042	>	checkCompletedWithWrappedException(g, ex);
1043	>	checkCompletedNormally(f, v1);
1044	>	assertEquals(1, a.get());
1045	>	}}
1046
1047	<	f = new CompletableFuture<>();
1048	<	f.complete(one);
1049	<	g = f.handle(r = new IntegerHandler());
1050	<	assertTrue(r.ran);
1051	<	checkCompletedNormally(g, two);
1047	>	/**
1048	>	* If a whenComplete action throws an exception when triggered by
1049	>	* a source completion that also throws an exception, the source
1050	>	* exception takes precedence (unlike handle)
1051	>	*/
1052	>	public void testWhenComplete_sourceFailedActionFailed() {
1053	>	for (boolean createIncomplete : new boolean[] { true, false })
1054	>	for (ExecutionMode m : ExecutionMode.values())
1055	>	{
1056	>	final AtomicInteger a = new AtomicInteger(0);
1057	>	final CFException ex1 = new CFException();
1058	>	final CFException ex2 = new CFException();
1059	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1060	>
1061	>	if (!createIncomplete) f.completeExceptionally(ex1);
1062	>	final CompletableFuture<Integer> g = m.whenComplete
1063	>	(f,
1064	>	(Integer result, Throwable t) -> {
1065	>	m.checkExecutionMode();
1066	>	threadAssertSame(t, ex1);
1067	>	threadAssertNull(result);
1068	>	a.getAndIncrement();
1069	>	throw ex2;
1070	>	});
1071	>	if (createIncomplete) f.completeExceptionally(ex1);
1072	>
1073	>	checkCompletedWithWrappedException(g, ex1);
1074	>	checkCompletedExceptionally(f, ex1);
1075	>	if (testImplementationDetails) {
1076	>	assertEquals(1, ex1.getSuppressed().length);
1077	>	assertSame(ex2, ex1.getSuppressed()[0]);
1078	>	}
1079	>	assertEquals(1, a.get());
1080	>	}}
1081
1082	<	f = new CompletableFuture<>();
1083	<	g = f.handle(r = new IntegerHandler());
1084	<	assertFalse(r.ran);
1085	<	f.complete(one);
1086	<	assertTrue(r.ran);
1087	<	checkCompletedNormally(g, two);
1088	<	}
1082	>	/**
1083	>	* handle action completes normally with function value on normal
1084	>	* completion of source
1085	>	*/
1086	>	public void testHandle_normalCompletion() {
1087	>	for (ExecutionMode m : ExecutionMode.values())
1088	>	for (boolean createIncomplete : new boolean[] { true, false })
1089	>	for (Integer v1 : new Integer[] { 1, null })
1090	>	{
1091	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1092	>	final AtomicInteger a = new AtomicInteger(0);
1093	>	if (!createIncomplete) assertTrue(f.complete(v1));
1094	>	final CompletableFuture<Integer> g = m.handle
1095	>	(f,
1096	>	(Integer result, Throwable t) -> {
1097	>	m.checkExecutionMode();
1098	>	threadAssertSame(result, v1);
1099	>	threadAssertNull(t);
1100	>	a.getAndIncrement();
1101	>	return inc(v1);
1102	>	});
1103	>	if (createIncomplete) assertTrue(f.complete(v1));
1104	>
1105	>	checkCompletedNormally(g, inc(v1));
1106	>	checkCompletedNormally(f, v1);
1107	>	assertEquals(1, a.get());
1108	>	}}
1109
1110		/**
1111	<	* runAsync completes after running Runnable
1111	>	* handle action completes normally with function value on
1112	>	* exceptional completion of source
1113		*/
1114	<	public void testRunAsync() {
1115	<	Noop r = new Noop();
1116	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1117	<	assertNull(f.join());
1118	<	assertTrue(r.ran);
1119	<	checkCompletedNormally(f, null);
1120	<	}
1114	>	public void testHandle_exceptionalCompletion() {
1115	>	for (ExecutionMode m : ExecutionMode.values())
1116	>	for (boolean createIncomplete : new boolean[] { true, false })
1117	>	for (Integer v1 : new Integer[] { 1, null })
1118	>	{
1119	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1120	>	final AtomicInteger a = new AtomicInteger(0);
1121	>	final CFException ex = new CFException();
1122	>	if (!createIncomplete) f.completeExceptionally(ex);
1123	>	final CompletableFuture<Integer> g = m.handle
1124	>	(f,
1125	>	(Integer result, Throwable t) -> {
1126	>	m.checkExecutionMode();
1127	>	threadAssertNull(result);
1128	>	threadAssertSame(t, ex);
1129	>	a.getAndIncrement();
1130	>	return v1;
1131	>	});
1132	>	if (createIncomplete) f.completeExceptionally(ex);
1133	>
1134	>	checkCompletedNormally(g, v1);
1135	>	checkCompletedExceptionally(f, ex);
1136	>	assertEquals(1, a.get());
1137	>	}}
1138	>
1139	>	/**
1140	>	* handle action completes normally with function value on
1141	>	* cancelled source
1142	>	*/
1143	>	public void testHandle_sourceCancelled() {
1144	>	for (ExecutionMode m : ExecutionMode.values())
1145	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1146	>	for (boolean createIncomplete : new boolean[] { true, false })
1147	>	for (Integer v1 : new Integer[] { 1, null })
1148	>	{
1149	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1150	>	final AtomicInteger a = new AtomicInteger(0);
1151	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1152	>	final CompletableFuture<Integer> g = m.handle
1153	>	(f,
1154	>	(Integer result, Throwable t) -> {
1155	>	m.checkExecutionMode();
1156	>	threadAssertNull(result);
1157	>	threadAssertTrue(t instanceof CancellationException);
1158	>	a.getAndIncrement();
1159	>	return v1;
1160	>	});
1161	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1162	>
1163	>	checkCompletedNormally(g, v1);
1164	>	checkCancelled(f);
1165	>	assertEquals(1, a.get());
1166	>	}}
1167
1168		/**
1169	<	* runAsync with executor completes after running Runnable
1169	>	* If a "handle action" throws an exception when triggered by
1170	>	* a normal completion, it completes exceptionally
1171		*/
1172	<	public void testRunAsync2() {
1173	<	Noop r = new Noop();
1174	<	ThreadExecutor exec = new ThreadExecutor();
1175	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
1172	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1173	>	for (ExecutionMode m : ExecutionMode.values())
1174	>	for (boolean createIncomplete : new boolean[] { true, false })
1175	>	for (Integer v1 : new Integer[] { 1, null })
1176	>	{
1177	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1178	>	final AtomicInteger a = new AtomicInteger(0);
1179	>	final CFException ex = new CFException();
1180	>	if (!createIncomplete) assertTrue(f.complete(v1));
1181	>	final CompletableFuture<Integer> g = m.handle
1182	>	(f,
1183	>	(Integer result, Throwable t) -> {
1184	>	m.checkExecutionMode();
1185	>	threadAssertSame(result, v1);
1186	>	threadAssertNull(t);
1187	>	a.getAndIncrement();
1188	>	throw ex;
1189	>	});
1190	>	if (createIncomplete) assertTrue(f.complete(v1));
1191	>
1192	>	checkCompletedWithWrappedException(g, ex);
1193	>	checkCompletedNormally(f, v1);
1194	>	assertEquals(1, a.get());
1195	>	}}
1196	>
1197	>	/**
1198	>	* If a "handle action" throws an exception when triggered by
1199	>	* a source completion that also throws an exception, the action
1200	>	* exception takes precedence (unlike whenComplete)
1201	>	*/
1202	>	public void testHandle_sourceFailedActionFailed() {
1203	>	for (boolean createIncomplete : new boolean[] { true, false })
1204	>	for (ExecutionMode m : ExecutionMode.values())
1205	>	{
1206	>	final AtomicInteger a = new AtomicInteger(0);
1207	>	final CFException ex1 = new CFException();
1208	>	final CFException ex2 = new CFException();
1209	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1210	>
1211	>	if (!createIncomplete) f.completeExceptionally(ex1);
1212	>	final CompletableFuture<Integer> g = m.handle
1213	>	(f,
1214	>	(Integer result, Throwable t) -> {
1215	>	m.checkExecutionMode();
1216	>	threadAssertNull(result);
1217	>	threadAssertSame(ex1, t);
1218	>	a.getAndIncrement();
1219	>	throw ex2;
1220	>	});
1221	>	if (createIncomplete) f.completeExceptionally(ex1);
1222	>
1223	>	checkCompletedWithWrappedException(g, ex2);
1224	>	checkCompletedExceptionally(f, ex1);
1225	>	assertEquals(1, a.get());
1226	>	}}
1227	>
1228	>	/**
1229	>	* runAsync completes after running Runnable
1230	>	*/
1231	>	public void testRunAsync_normalCompletion() {
1232	>	ExecutionMode[] executionModes = {
1233	>	ExecutionMode.ASYNC,
1234	>	ExecutionMode.EXECUTOR,
1235	>	};
1236	>	for (ExecutionMode m : executionModes)
1237	>	{
1238	>	final Noop r = new Noop(m);
1239	>	final CompletableFuture<Void> f = m.runAsync(r);
1240		assertNull(f.join());
448	–	assertTrue(r.ran);
1241		checkCompletedNormally(f, null);
1242	<	assertEquals(1, exec.count.get());
1243	<	}
1242	>	r.assertInvoked();
1243	>	}}
1244
1245		/**
1246		* failing runAsync completes exceptionally after running Runnable
1247		*/
1248	<	public void testRunAsync3() {
1249	<	FailingNoop r = new FailingNoop();
1250	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1251	<	checkCompletedWithWrappedCFException(f);
1252	<	assertTrue(r.ran);
1253	<	}
1248	>	public void testRunAsync_exceptionalCompletion() {
1249	>	ExecutionMode[] executionModes = {
1250	>	ExecutionMode.ASYNC,
1251	>	ExecutionMode.EXECUTOR,
1252	>	};
1253	>	for (ExecutionMode m : executionModes)
1254	>	{
1255	>	final FailingRunnable r = new FailingRunnable(m);
1256	>	final CompletableFuture<Void> f = m.runAsync(r);
1257	>	checkCompletedWithWrappedException(f, r.ex);
1258	>	r.assertInvoked();
1259	>	}}
1260	>
1261	>	@SuppressWarnings("FutureReturnValueIgnored")
1262	>	public void testRunAsync_rejectingExecutor() {
1263	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1264	>	try {
1265	>	CompletableFuture.runAsync(() -> {}, e);
1266	>	shouldThrow();
1267	>	} catch (Throwable t) {
1268	>	assertSame(e.ex, t);
1269	>	}
1270
1271	<	/**
464	<	* supplyAsync completes with result of supplier
465	<	*/
466	<	public void testSupplyAsync() {
467	<	CompletableFuture<Integer> f;
468	<	f = CompletableFuture.supplyAsync(supplyOne);
469	<	assertEquals(f.join(), one);
470	<	checkCompletedNormally(f, one);
1271	>	assertEquals(1, e.count.get());
1272		}
1273
1274		/**
1275	<	* supplyAsync with executor completes with result of supplier
1275	>	* supplyAsync completes with result of supplier
1276		*/
1277	<	public void testSupplyAsync2() {
1278	<	CompletableFuture<Integer> f;
1279	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1280	<	assertEquals(f.join(), one);
1281	<	checkCompletedNormally(f, one);
1282	<	}
1277	>	public void testSupplyAsync_normalCompletion() {
1278	>	ExecutionMode[] executionModes = {
1279	>	ExecutionMode.ASYNC,
1280	>	ExecutionMode.EXECUTOR,
1281	>	};
1282	>	for (ExecutionMode m : executionModes)
1283	>	for (Integer v1 : new Integer[] { 1, null })
1284	>	{
1285	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1286	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1287	>	assertSame(v1, f.join());
1288	>	checkCompletedNormally(f, v1);
1289	>	r.assertInvoked();
1290	>	}}
1291
1292		/**
1293		* Failing supplyAsync completes exceptionally
1294		*/
1295	<	public void testSupplyAsync3() {
1296	<	FailingSupplier r = new FailingSupplier();
1297	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1298	<	checkCompletedWithWrappedCFException(f);
1299	<	assertTrue(r.ran);
1295	>	public void testSupplyAsync_exceptionalCompletion() {
1296	>	ExecutionMode[] executionModes = {
1297	>	ExecutionMode.ASYNC,
1298	>	ExecutionMode.EXECUTOR,
1299	>	};
1300	>	for (ExecutionMode m : executionModes)
1301	>	{
1302	>	FailingSupplier r = new FailingSupplier(m);
1303	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1304	>	checkCompletedWithWrappedException(f, r.ex);
1305	>	r.assertInvoked();
1306	>	}}
1307	>
1308	>	@SuppressWarnings("FutureReturnValueIgnored")
1309	>	public void testSupplyAsync_rejectingExecutor() {
1310	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1311	>	try {
1312	>	CompletableFuture.supplyAsync(() -> null, e);
1313	>	shouldThrow();
1314	>	} catch (Throwable t) {
1315	>	assertSame(e.ex, t);
1316	>	}
1317	>
1318	>	assertEquals(1, e.count.get());
1319		}
1320
1321		// seq completion methods
#	Line 495 | Line 1323 | public class CompletableFutureTest exten
1323		/**
1324		* thenRun result completes normally after normal completion of source
1325		*/
1326	<	public void testThenRun() {
1327	<	CompletableFuture<Integer> f;
1328	<	CompletableFuture<Void> g;
1329	<	Noop r;
1330	<
1331	<	f = new CompletableFuture<>();
1332	<	g = f.thenRun(r = new Noop());
1333	<	f.complete(null);
1334	<	checkCompletedNormally(g, null);
1335	<	assertTrue(r.ran);
1336	<
1337	<	f = new CompletableFuture<>();
1338	<	f.complete(null);
1339	<	g = f.thenRun(r = new Noop());
1340	<	checkCompletedNormally(g, null);
1341	<	assertTrue(r.ran);
1342	<	}
1326	>	public void testThenRun_normalCompletion() {
1327	>	for (ExecutionMode m : ExecutionMode.values())
1328	>	for (Integer v1 : new Integer[] { 1, null })
1329	>	{
1330	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1331	>	final Noop[] rs = new Noop[6];
1332	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1333	>
1334	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1335	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1336	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1337	>	checkIncomplete(h0);
1338	>	checkIncomplete(h1);
1339	>	checkIncomplete(h2);
1340	>	assertTrue(f.complete(v1));
1341	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1342	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1343	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1344	>
1345	>	checkCompletedNormally(h0, null);
1346	>	checkCompletedNormally(h1, null);
1347	>	checkCompletedNormally(h2, null);
1348	>	checkCompletedNormally(h3, null);
1349	>	checkCompletedNormally(h4, null);
1350	>	checkCompletedNormally(h5, null);
1351	>	checkCompletedNormally(f, v1);
1352	>	for (Noop r : rs) r.assertInvoked();
1353	>	}}
1354
1355		/**
1356		* thenRun result completes exceptionally after exceptional
1357		* completion of source
1358		*/
1359	<	public void testThenRun2() {
1360	<	CompletableFuture<Integer> f;
1361	<	CompletableFuture<Void> g;
1362	<	Noop r;
1363	<
1364	<	f = new CompletableFuture<>();
1365	<	g = f.thenRun(r = new Noop());
1366	<	f.completeExceptionally(new CFException());
1367	<	checkCompletedWithWrappedCFException(g);
1368	<	assertFalse(r.ran);
1369	<
1370	<	f = new CompletableFuture<>();
1371	<	f.completeExceptionally(new CFException());
1372	<	g = f.thenRun(r = new Noop());
1373	<	checkCompletedWithWrappedCFException(g);
1374	<	assertFalse(r.ran);
1375	<	}
1359	>	public void testThenRun_exceptionalCompletion() {
1360	>	for (ExecutionMode m : ExecutionMode.values())
1361	>	{
1362	>	final CFException ex = new CFException();
1363	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1364	>	final Noop[] rs = new Noop[6];
1365	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1366	>
1367	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1368	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1369	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1370	>	checkIncomplete(h0);
1371	>	checkIncomplete(h1);
1372	>	checkIncomplete(h2);
1373	>	assertTrue(f.completeExceptionally(ex));
1374	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1375	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1376	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1377	>
1378	>	checkCompletedWithWrappedException(h0, ex);
1379	>	checkCompletedWithWrappedException(h1, ex);
1380	>	checkCompletedWithWrappedException(h2, ex);
1381	>	checkCompletedWithWrappedException(h3, ex);
1382	>	checkCompletedWithWrappedException(h4, ex);
1383	>	checkCompletedWithWrappedException(h5, ex);
1384	>	checkCompletedExceptionally(f, ex);
1385	>	for (Noop r : rs) r.assertNotInvoked();
1386	>	}}
1387
1388		/**
1389	<	* thenRun result completes exceptionally if action does
1389	>	* thenRun result completes exceptionally if source cancelled
1390		*/
1391	<	public void testThenRun3() {
1392	<	CompletableFuture<Integer> f;
1393	<	CompletableFuture<Void> g;
1394	<	FailingNoop r;
1395	<
1396	<	f = new CompletableFuture<>();
1397	<	g = f.thenRun(r = new FailingNoop());
1398	<	f.complete(null);
1399	<	checkCompletedWithWrappedCFException(g);
1400	<
1401	<	f = new CompletableFuture<>();
1402	<	f.complete(null);
1403	<	g = f.thenRun(r = new FailingNoop());
1404	<	checkCompletedWithWrappedCFException(g);
1405	<	}
1391	>	public void testThenRun_sourceCancelled() {
1392	>	for (ExecutionMode m : ExecutionMode.values())
1393	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1394	>	{
1395	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1396	>	final Noop[] rs = new Noop[6];
1397	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1398	>
1399	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1400	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1401	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1402	>	checkIncomplete(h0);
1403	>	checkIncomplete(h1);
1404	>	checkIncomplete(h2);
1405	>	assertTrue(f.cancel(mayInterruptIfRunning));
1406	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1407	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1408	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1409	>
1410	>	checkCompletedWithWrappedCancellationException(h0);
1411	>	checkCompletedWithWrappedCancellationException(h1);
1412	>	checkCompletedWithWrappedCancellationException(h2);
1413	>	checkCompletedWithWrappedCancellationException(h3);
1414	>	checkCompletedWithWrappedCancellationException(h4);
1415	>	checkCompletedWithWrappedCancellationException(h5);
1416	>	checkCancelled(f);
1417	>	for (Noop r : rs) r.assertNotInvoked();
1418	>	}}
1419
1420		/**
1421	<	* thenRun result completes exceptionally if source cancelled
1421	>	* thenRun result completes exceptionally if action does
1422		*/
1423	<	public void testThenRun4() {
1424	<	CompletableFuture<Integer> f;
1425	<	CompletableFuture<Void> g;
1426	<	Noop r;
1427	<
1428	<	f = new CompletableFuture<>();
1429	<	g = f.thenRun(r = new Noop());
1430	<	assertTrue(f.cancel(true));
1431	<	checkCompletedWithWrappedCancellationException(g);
1432	<
1433	<	f = new CompletableFuture<>();
1434	<	assertTrue(f.cancel(true));
1435	<	g = f.thenRun(r = new Noop());
1436	<	checkCompletedWithWrappedCancellationException(g);
1437	<	}
1423	>	public void testThenRun_actionFailed() {
1424	>	for (ExecutionMode m : ExecutionMode.values())
1425	>	for (Integer v1 : new Integer[] { 1, null })
1426	>	{
1427	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1428	>	final FailingRunnable[] rs = new FailingRunnable[6];
1429	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1430	>
1431	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1432	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1433	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1434	>	assertTrue(f.complete(v1));
1435	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1436	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1437	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1438	>
1439	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1440	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1441	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1442	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1443	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1444	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1445	>	checkCompletedNormally(f, v1);
1446	>	}}
1447
1448		/**
1449		* thenApply result completes normally after normal completion of source
1450		*/
1451	<	public void testThenApply() {
1452	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1453	<	CompletableFuture<Integer> g = f.thenApply(inc);
1454	<	f.complete(one);
1455	<	checkCompletedNormally(g, two);
1456	<	}
1451	>	public void testThenApply_normalCompletion() {
1452	>	for (ExecutionMode m : ExecutionMode.values())
1453	>	for (Integer v1 : new Integer[] { 1, null })
1454	>	{
1455	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1456	>	final IncFunction[] rs = new IncFunction[4];
1457	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1458	>
1459	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1460	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1461	>	checkIncomplete(h0);
1462	>	checkIncomplete(h1);
1463	>	assertTrue(f.complete(v1));
1464	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1465	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1466	>
1467	>	checkCompletedNormally(h0, inc(v1));
1468	>	checkCompletedNormally(h1, inc(v1));
1469	>	checkCompletedNormally(h2, inc(v1));
1470	>	checkCompletedNormally(h3, inc(v1));
1471	>	checkCompletedNormally(f, v1);
1472	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1473	>	}}
1474
1475		/**
1476		* thenApply result completes exceptionally after exceptional
1477		* completion of source
1478		*/
1479	<	public void testThenApply2() {
1480	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1481	<	CompletableFuture<Integer> g = f.thenApply(inc);
1482	<	f.completeExceptionally(new CFException());
1483	<	checkCompletedWithWrappedCFException(g);
1484	<	}
1479	>	public void testThenApply_exceptionalCompletion() {
1480	>	for (ExecutionMode m : ExecutionMode.values())
1481	>	{
1482	>	final CFException ex = new CFException();
1483	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1484	>	final IncFunction[] rs = new IncFunction[4];
1485	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1486	>
1487	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1488	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1489	>	assertTrue(f.completeExceptionally(ex));
1490	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1491	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1492	>
1493	>	checkCompletedWithWrappedException(h0, ex);
1494	>	checkCompletedWithWrappedException(h1, ex);
1495	>	checkCompletedWithWrappedException(h2, ex);
1496	>	checkCompletedWithWrappedException(h3, ex);
1497	>	checkCompletedExceptionally(f, ex);
1498	>	for (IncFunction r : rs) r.assertNotInvoked();
1499	>	}}
1500
1501		/**
1502	<	* thenApply result completes exceptionally if action does
1502	>	* thenApply result completes exceptionally if source cancelled
1503		*/
1504	<	public void testThenApply3() {
1505	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1506	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1507	<	f.complete(one);
1508	<	checkCompletedWithWrappedCFException(g);
1509	<	}
1504	>	public void testThenApply_sourceCancelled() {
1505	>	for (ExecutionMode m : ExecutionMode.values())
1506	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1507	>	{
1508	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1509	>	final IncFunction[] rs = new IncFunction[4];
1510	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1511	>
1512	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1513	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1514	>	assertTrue(f.cancel(mayInterruptIfRunning));
1515	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1516	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1517	>
1518	>	checkCompletedWithWrappedCancellationException(h0);
1519	>	checkCompletedWithWrappedCancellationException(h1);
1520	>	checkCompletedWithWrappedCancellationException(h2);
1521	>	checkCompletedWithWrappedCancellationException(h3);
1522	>	checkCancelled(f);
1523	>	for (IncFunction r : rs) r.assertNotInvoked();
1524	>	}}
1525
1526		/**
1527	<	* thenApply result completes exceptionally if source cancelled
1527	>	* thenApply result completes exceptionally if action does
1528		*/
1529	<	public void testThenApply4() {
1530	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1531	<	CompletableFuture<Integer> g = f.thenApply(inc);
1532	<	assertTrue(f.cancel(true));
1533	<	checkCompletedWithWrappedCancellationException(g);
1534	<	}
1529	>	public void testThenApply_actionFailed() {
1530	>	for (ExecutionMode m : ExecutionMode.values())
1531	>	for (Integer v1 : new Integer[] { 1, null })
1532	>	{
1533	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1534	>	final FailingFunction[] rs = new FailingFunction[4];
1535	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1536	>
1537	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1538	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1539	>	assertTrue(f.complete(v1));
1540	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1541	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1542	>
1543	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1544	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1545	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1546	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1547	>	checkCompletedNormally(f, v1);
1548	>	}}
1549
1550		/**
1551		* thenAccept result completes normally after normal completion of source
1552		*/
1553	<	public void testThenAccept() {
1554	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1555	<	IncAction r = new IncAction();
1556	<	CompletableFuture<Void> g = f.thenAccept(r);
1557	<	f.complete(one);
1558	<	checkCompletedNormally(g, null);
1559	<	assertEquals(r.value, 2);
1560	<	}
1553	>	public void testThenAccept_normalCompletion() {
1554	>	for (ExecutionMode m : ExecutionMode.values())
1555	>	for (Integer v1 : new Integer[] { 1, null })
1556	>	{
1557	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1558	>	final NoopConsumer[] rs = new NoopConsumer[4];
1559	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1560	>
1561	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1562	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1563	>	checkIncomplete(h0);
1564	>	checkIncomplete(h1);
1565	>	assertTrue(f.complete(v1));
1566	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1567	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1568	>
1569	>	checkCompletedNormally(h0, null);
1570	>	checkCompletedNormally(h1, null);
1571	>	checkCompletedNormally(h2, null);
1572	>	checkCompletedNormally(h3, null);
1573	>	checkCompletedNormally(f, v1);
1574	>	for (NoopConsumer r : rs) r.assertValue(v1);
1575	>	}}
1576
1577		/**
1578		* thenAccept result completes exceptionally after exceptional
1579		* completion of source
1580		*/
1581	<	public void testThenAccept2() {
1582	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1583	<	IncAction r = new IncAction();
1584	<	CompletableFuture<Void> g = f.thenAccept(r);
1585	<	f.completeExceptionally(new CFException());
1586	<	checkCompletedWithWrappedCFException(g);
1587	<	}
1581	>	public void testThenAccept_exceptionalCompletion() {
1582	>	for (ExecutionMode m : ExecutionMode.values())
1583	>	{
1584	>	final CFException ex = new CFException();
1585	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1586	>	final NoopConsumer[] rs = new NoopConsumer[4];
1587	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1588	>
1589	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1590	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1591	>	assertTrue(f.completeExceptionally(ex));
1592	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1593	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1594	>
1595	>	checkCompletedWithWrappedException(h0, ex);
1596	>	checkCompletedWithWrappedException(h1, ex);
1597	>	checkCompletedWithWrappedException(h2, ex);
1598	>	checkCompletedWithWrappedException(h3, ex);
1599	>	checkCompletedExceptionally(f, ex);
1600	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1601	>	}}
1602
1603		/**
1604	<	* thenAccept result completes exceptionally if action does
1604	>	* thenAccept result completes exceptionally if source cancelled
1605		*/
1606	<	public void testThenAccept3() {
1607	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1608	<	FailingConsumer r = new FailingConsumer();
1609	<	CompletableFuture<Void> g = f.thenAccept(r);
1610	<	f.complete(one);
1611	<	checkCompletedWithWrappedCFException(g);
1612	<	assertTrue(r.ran);
1613	<	}
1606	>	public void testThenAccept_sourceCancelled() {
1607	>	for (ExecutionMode m : ExecutionMode.values())
1608	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1609	>	{
1610	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1611	>	final NoopConsumer[] rs = new NoopConsumer[4];
1612	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1613	>
1614	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1615	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1616	>	assertTrue(f.cancel(mayInterruptIfRunning));
1617	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1618	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1619	>
1620	>	checkCompletedWithWrappedCancellationException(h0);
1621	>	checkCompletedWithWrappedCancellationException(h1);
1622	>	checkCompletedWithWrappedCancellationException(h2);
1623	>	checkCompletedWithWrappedCancellationException(h3);
1624	>	checkCancelled(f);
1625	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1626	>	}}
1627
1628		/**
1629	<	* thenAccept result completes exceptionally if source cancelled
1629	>	* thenAccept result completes exceptionally if action does
1630		*/
1631	<	public void testThenAccept4() {
1632	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1633	<	IncAction r = new IncAction();
1634	<	CompletableFuture<Void> g = f.thenAccept(r);
1635	<	assertTrue(f.cancel(true));
1636	<	checkCompletedWithWrappedCancellationException(g);
1637	<	}
1631	>	public void testThenAccept_actionFailed() {
1632	>	for (ExecutionMode m : ExecutionMode.values())
1633	>	for (Integer v1 : new Integer[] { 1, null })
1634	>	{
1635	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1636	>	final FailingConsumer[] rs = new FailingConsumer[4];
1637	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1638	>
1639	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1640	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1641	>	assertTrue(f.complete(v1));
1642	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1643	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1644	>
1645	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1646	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1647	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1648	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1649	>	checkCompletedNormally(f, v1);
1650	>	}}
1651
1652		/**
1653		* thenCombine result completes normally after normal completion
1654		* of sources
1655		*/
1656	<	public void testThenCombine() {
1657	<	CompletableFuture<Integer> f, g, h;
1658	<
1659	<	f = new CompletableFuture<>();
1660	<	g = new CompletableFuture<>();
1661	<	h = f.thenCombine(g, subtract);
1662	<	f.complete(3);
1663	<	checkIncomplete(h);
1664	<	g.complete(1);
1665	<	checkCompletedNormally(h, 2);
1666	<
1667	<	f = new CompletableFuture<>();
1668	<	g = new CompletableFuture<>();
1669	<	h = f.thenCombine(g, subtract);
1670	<	g.complete(1);
1671	<	checkIncomplete(h);
1672	<	f.complete(3);
1673	<	checkCompletedNormally(h, 2);
1674	<
1675	<	f = new CompletableFuture<>();
1676	<	g = new CompletableFuture<>();
1677	<	g.complete(1);
1678	<	f.complete(3);
1679	<	h = f.thenCombine(g, subtract);
1680	<	checkCompletedNormally(h, 2);
1681	<	}
1656	>	public void testThenCombine_normalCompletion() {
1657	>	for (ExecutionMode m : ExecutionMode.values())
1658	>	for (boolean fFirst : new boolean[] { true, false })
1659	>	for (Integer v1 : new Integer[] { 1, null })
1660	>	for (Integer v2 : new Integer[] { 2, null })
1661	>	{
1662	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1663	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1664	>	final SubtractFunction[] rs = new SubtractFunction[6];
1665	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1666	>
1667	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1668	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1669	>	final Integer w1 =  fFirst ? v1 : v2;
1670	>	final Integer w2 = !fFirst ? v1 : v2;
1671	>
1672	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1673	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1674	>	assertTrue(fst.complete(w1));
1675	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1676	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1677	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1678	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1679	>	checkCompletedNormally(h1, subtract(w1, w1));
1680	>	checkCompletedNormally(h3, subtract(w1, w1));
1681	>	rs[1].assertValue(subtract(w1, w1));
1682	>	rs[3].assertValue(subtract(w1, w1));
1683	>	assertTrue(snd.complete(w2));
1684	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1685	>
1686	>	checkCompletedNormally(h0, subtract(v1, v2));
1687	>	checkCompletedNormally(h2, subtract(v1, v2));
1688	>	checkCompletedNormally(h4, subtract(v1, v2));
1689	>	rs[0].assertValue(subtract(v1, v2));
1690	>	rs[2].assertValue(subtract(v1, v2));
1691	>	rs[4].assertValue(subtract(v1, v2));
1692	>
1693	>	checkCompletedNormally(f, v1);
1694	>	checkCompletedNormally(g, v2);
1695	>	}}
1696
1697		/**
1698		* thenCombine result completes exceptionally after exceptional
1699		* completion of either source
1700		*/
1701	<	public void testThenCombine2() {
1702	<	CompletableFuture<Integer> f, g, h;
1703	<
1704	<	f = new CompletableFuture<>();
1705	<	g = new CompletableFuture<>();
1706	<	h = f.thenCombine(g, subtract);
1707	<	f.completeExceptionally(new CFException());
1708	<	checkIncomplete(h);
1709	<	g.complete(1);
1710	<	checkCompletedWithWrappedCFException(h);
1711	<
1712	<	f = new CompletableFuture<>();
1713	<	g = new CompletableFuture<>();
1714	<	h = f.thenCombine(g, subtract);
1715	<	g.completeExceptionally(new CFException());
1716	<	checkIncomplete(h);
1717	<	f.complete(3);
1718	<	checkCompletedWithWrappedCFException(h);
1719	<
1720	<	f = new CompletableFuture<>();
1721	<	g = new CompletableFuture<>();
1722	<	f.complete(3);
1723	<	g.completeExceptionally(new CFException());
1724	<	h = f.thenCombine(g, subtract);
1725	<	checkCompletedWithWrappedCFException(h);
1726	<
1727	<	f = new CompletableFuture<>();
1728	<	g = new CompletableFuture<>();
1729	<	f.completeExceptionally(new CFException());
1730	<	g.complete(3);
1731	<	h = f.thenCombine(g, subtract);
1732	<	checkCompletedWithWrappedCFException(h);
1733	<	}
1701	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1702	>	for (ExecutionMode m : ExecutionMode.values())
1703	>	for (boolean fFirst : new boolean[] { true, false })
1704	>	for (boolean failFirst : new boolean[] { true, false })
1705	>	for (Integer v1 : new Integer[] { 1, null })
1706	>	{
1707	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1708	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1709	>	final CFException ex = new CFException();
1710	>	final SubtractFunction r1 = new SubtractFunction(m);
1711	>	final SubtractFunction r2 = new SubtractFunction(m);
1712	>	final SubtractFunction r3 = new SubtractFunction(m);
1713	>
1714	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1715	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1716	>	final Callable<Boolean> complete1 = failFirst ?
1717	>	() -> fst.completeExceptionally(ex) :
1718	>	() -> fst.complete(v1);
1719	>	final Callable<Boolean> complete2 = failFirst ?
1720	>	() -> snd.complete(v1) :
1721	>	() -> snd.completeExceptionally(ex);
1722	>
1723	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1724	>	assertTrue(complete1.call());
1725	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1726	>	checkIncomplete(h1);
1727	>	checkIncomplete(h2);
1728	>	assertTrue(complete2.call());
1729	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1730	>
1731	>	checkCompletedWithWrappedException(h1, ex);
1732	>	checkCompletedWithWrappedException(h2, ex);
1733	>	checkCompletedWithWrappedException(h3, ex);
1734	>	r1.assertNotInvoked();
1735	>	r2.assertNotInvoked();
1736	>	r3.assertNotInvoked();
1737	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1738	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1739	>	}}
1740
1741		/**
1742	<	* thenCombine result completes exceptionally if action does
1742	>	* thenCombine result completes exceptionally if either source cancelled
1743		*/
1744	<	public void testThenCombine3() {
1745	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1746	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1747	<	FailingBiFunction r = new FailingBiFunction();
1748	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
1749	<	f.complete(one);
1750	<	checkIncomplete(g);
1751	<	assertFalse(r.ran);
1752	<	f2.complete(two);
1753	<	checkCompletedWithWrappedCFException(g);
1754	<	assertTrue(r.ran);
1755	<	}
1744	>	public void testThenCombine_sourceCancelled() throws Throwable {
1745	>	for (ExecutionMode m : ExecutionMode.values())
1746	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1747	>	for (boolean fFirst : new boolean[] { true, false })
1748	>	for (boolean failFirst : new boolean[] { true, false })
1749	>	for (Integer v1 : new Integer[] { 1, null })
1750	>	{
1751	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1752	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1753	>	final SubtractFunction r1 = new SubtractFunction(m);
1754	>	final SubtractFunction r2 = new SubtractFunction(m);
1755	>	final SubtractFunction r3 = new SubtractFunction(m);
1756	>
1757	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1758	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1759	>	final Callable<Boolean> complete1 = failFirst ?
1760	>	() -> fst.cancel(mayInterruptIfRunning) :
1761	>	() -> fst.complete(v1);
1762	>	final Callable<Boolean> complete2 = failFirst ?
1763	>	() -> snd.complete(v1) :
1764	>	() -> snd.cancel(mayInterruptIfRunning);
1765	>
1766	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1767	>	assertTrue(complete1.call());
1768	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1769	>	checkIncomplete(h1);
1770	>	checkIncomplete(h2);
1771	>	assertTrue(complete2.call());
1772	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1773	>
1774	>	checkCompletedWithWrappedCancellationException(h1);
1775	>	checkCompletedWithWrappedCancellationException(h2);
1776	>	checkCompletedWithWrappedCancellationException(h3);
1777	>	r1.assertNotInvoked();
1778	>	r2.assertNotInvoked();
1779	>	r3.assertNotInvoked();
1780	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1781	>	checkCancelled(failFirst ? fst : snd);
1782	>	}}
1783
1784		/**
1785	<	* thenCombine result completes exceptionally if either source cancelled
1785	>	* thenCombine result completes exceptionally if action does
1786		*/
1787	<	public void testThenCombine4() {
1788	<	CompletableFuture<Integer> f, g, h;
1789	<
1790	<	f = new CompletableFuture<>();
1791	<	g = new CompletableFuture<>();
1792	<	h = f.thenCombine(g, subtract);
1793	<	assertTrue(f.cancel(true));
1794	<	checkIncomplete(h);
1795	<	g.complete(1);
1796	<	checkCompletedWithWrappedCancellationException(h);
1797	<
1798	<	f = new CompletableFuture<>();
1799	<	g = new CompletableFuture<>();
1800	<	h = f.thenCombine(g, subtract);
1801	<	assertTrue(g.cancel(true));
1802	<	checkIncomplete(h);
1803	<	f.complete(3);
1804	<	checkCompletedWithWrappedCancellationException(h);
1805	<
1806	<	f = new CompletableFuture<>();
1807	<	g = new CompletableFuture<>();
1808	<	assertTrue(f.cancel(true));
1809	<	assertTrue(g.cancel(true));
1810	<	h = f.thenCombine(g, subtract);
1811	<	checkCompletedWithWrappedCancellationException(h);
1812	<	}
1787	>	public void testThenCombine_actionFailed() {
1788	>	for (ExecutionMode m : ExecutionMode.values())
1789	>	for (boolean fFirst : new boolean[] { true, false })
1790	>	for (Integer v1 : new Integer[] { 1, null })
1791	>	for (Integer v2 : new Integer[] { 2, null })
1792	>	{
1793	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1794	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1795	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1796	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1797	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1798	>
1799	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1800	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1801	>	final Integer w1 =  fFirst ? v1 : v2;
1802	>	final Integer w2 = !fFirst ? v1 : v2;
1803	>
1804	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1805	>	assertTrue(fst.complete(w1));
1806	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1807	>	assertTrue(snd.complete(w2));
1808	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1809	>
1810	>	checkCompletedWithWrappedException(h1, r1.ex);
1811	>	checkCompletedWithWrappedException(h2, r2.ex);
1812	>	checkCompletedWithWrappedException(h3, r3.ex);
1813	>	r1.assertInvoked();
1814	>	r2.assertInvoked();
1815	>	r3.assertInvoked();
1816	>	checkCompletedNormally(f, v1);
1817	>	checkCompletedNormally(g, v2);
1818	>	}}
1819
1820		/**
1821		* thenAcceptBoth result completes normally after normal
1822		* completion of sources
1823		*/
1824	<	public void testThenAcceptBoth() {
1825	<	CompletableFuture<Integer> f, g;
1826	<	CompletableFuture<Void> h;
1827	<	SubtractAction r;
1828	<
1829	<	f = new CompletableFuture<>();
1830	<	g = new CompletableFuture<>();
1831	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1832	<	f.complete(3);
1833	<	checkIncomplete(h);
1834	<	g.complete(1);
1835	<	checkCompletedNormally(h, null);
1836	<	assertEquals(r.value, 2);
1837	<
1838	<	f = new CompletableFuture<>();
1839	<	g = new CompletableFuture<>();
1840	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1841	<	g.complete(1);
1842	<	checkIncomplete(h);
1843	<	f.complete(3);
1844	<	checkCompletedNormally(h, null);
1845	<	assertEquals(r.value, 2);
1846	<
1847	<	f = new CompletableFuture<>();
1848	<	g = new CompletableFuture<>();
1849	<	g.complete(1);
1850	<	f.complete(3);
1851	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1852	<	checkCompletedNormally(h, null);
1853	<	assertEquals(r.value, 2);
1854	<	}
1824	>	public void testThenAcceptBoth_normalCompletion() {
1825	>	for (ExecutionMode m : ExecutionMode.values())
1826	>	for (boolean fFirst : new boolean[] { true, false })
1827	>	for (Integer v1 : new Integer[] { 1, null })
1828	>	for (Integer v2 : new Integer[] { 2, null })
1829	>	{
1830	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1831	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1832	>	final SubtractAction r1 = new SubtractAction(m);
1833	>	final SubtractAction r2 = new SubtractAction(m);
1834	>	final SubtractAction r3 = new SubtractAction(m);
1835	>
1836	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1837	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1838	>	final Integer w1 =  fFirst ? v1 : v2;
1839	>	final Integer w2 = !fFirst ? v1 : v2;
1840	>
1841	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1842	>	assertTrue(fst.complete(w1));
1843	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1844	>	checkIncomplete(h1);
1845	>	checkIncomplete(h2);
1846	>	r1.assertNotInvoked();
1847	>	r2.assertNotInvoked();
1848	>	assertTrue(snd.complete(w2));
1849	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1850	>
1851	>	checkCompletedNormally(h1, null);
1852	>	checkCompletedNormally(h2, null);
1853	>	checkCompletedNormally(h3, null);
1854	>	r1.assertValue(subtract(v1, v2));
1855	>	r2.assertValue(subtract(v1, v2));
1856	>	r3.assertValue(subtract(v1, v2));
1857	>	checkCompletedNormally(f, v1);
1858	>	checkCompletedNormally(g, v2);
1859	>	}}
1860
1861		/**
1862		* thenAcceptBoth result completes exceptionally after exceptional
1863		* completion of either source
1864		*/
1865	<	public void testThenAcceptBoth2() {
1866	<	CompletableFuture<Integer> f, g;
1867	<	CompletableFuture<Void> h;
1868	<	SubtractAction r;
1869	<
1870	<	f = new CompletableFuture<>();
1871	<	g = new CompletableFuture<>();
1872	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1873	<	f.completeExceptionally(new CFException());
1874	<	checkIncomplete(h);
1875	<	g.complete(1);
1876	<	checkCompletedWithWrappedCFException(h);
1877	<
1878	<	f = new CompletableFuture<>();
1879	<	g = new CompletableFuture<>();
1880	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1881	<	g.completeExceptionally(new CFException());
1882	<	checkIncomplete(h);
1883	<	f.complete(3);
1884	<	checkCompletedWithWrappedCFException(h);
1885	<
1886	<	f = new CompletableFuture<>();
1887	<	g = new CompletableFuture<>();
1888	<	f.complete(3);
1889	<	g.completeExceptionally(new CFException());
1890	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1891	<	checkCompletedWithWrappedCFException(h);
1892	<
1893	<	f = new CompletableFuture<>();
1894	<	g = new CompletableFuture<>();
1895	<	f.completeExceptionally(new CFException());
1896	<	g.complete(3);
1897	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1898	<	checkCompletedWithWrappedCFException(h);
1899	<	}
1865	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1866	>	for (ExecutionMode m : ExecutionMode.values())
1867	>	for (boolean fFirst : new boolean[] { true, false })
1868	>	for (boolean failFirst : new boolean[] { true, false })
1869	>	for (Integer v1 : new Integer[] { 1, null })
1870	>	{
1871	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1872	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1873	>	final CFException ex = new CFException();
1874	>	final SubtractAction r1 = new SubtractAction(m);
1875	>	final SubtractAction r2 = new SubtractAction(m);
1876	>	final SubtractAction r3 = new SubtractAction(m);
1877	>
1878	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1879	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1880	>	final Callable<Boolean> complete1 = failFirst ?
1881	>	() -> fst.completeExceptionally(ex) :
1882	>	() -> fst.complete(v1);
1883	>	final Callable<Boolean> complete2 = failFirst ?
1884	>	() -> snd.complete(v1) :
1885	>	() -> snd.completeExceptionally(ex);
1886	>
1887	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1888	>	assertTrue(complete1.call());
1889	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1890	>	checkIncomplete(h1);
1891	>	checkIncomplete(h2);
1892	>	assertTrue(complete2.call());
1893	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1894	>
1895	>	checkCompletedWithWrappedException(h1, ex);
1896	>	checkCompletedWithWrappedException(h2, ex);
1897	>	checkCompletedWithWrappedException(h3, ex);
1898	>	r1.assertNotInvoked();
1899	>	r2.assertNotInvoked();
1900	>	r3.assertNotInvoked();
1901	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1902	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1903	>	}}
1904
1905		/**
1906	<	* thenAcceptBoth result completes exceptionally if action does
1906	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1907		*/
1908	<	public void testThenAcceptBoth3() {
1909	<	CompletableFuture<Integer> f, g;
1910	<	CompletableFuture<Void> h;
1911	<	FailingBiConsumer r;
1912	<
1913	<	f = new CompletableFuture<>();
1914	<	g = new CompletableFuture<>();
1915	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
1916	<	f.complete(3);
1917	<	checkIncomplete(h);
1918	<	g.complete(1);
1919	<	checkCompletedWithWrappedCFException(h);
1920	<
1921	<	f = new CompletableFuture<>();
1922	<	g = new CompletableFuture<>();
1923	<	f.complete(3);
1924	<	g.complete(1);
1925	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
1926	<	checkCompletedWithWrappedCFException(h);
1927	<	}
1908	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1909	>	for (ExecutionMode m : ExecutionMode.values())
1910	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1911	>	for (boolean fFirst : new boolean[] { true, false })
1912	>	for (boolean failFirst : new boolean[] { true, false })
1913	>	for (Integer v1 : new Integer[] { 1, null })
1914	>	{
1915	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1916	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1917	>	final SubtractAction r1 = new SubtractAction(m);
1918	>	final SubtractAction r2 = new SubtractAction(m);
1919	>	final SubtractAction r3 = new SubtractAction(m);
1920	>
1921	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1922	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1923	>	final Callable<Boolean> complete1 = failFirst ?
1924	>	() -> fst.cancel(mayInterruptIfRunning) :
1925	>	() -> fst.complete(v1);
1926	>	final Callable<Boolean> complete2 = failFirst ?
1927	>	() -> snd.complete(v1) :
1928	>	() -> snd.cancel(mayInterruptIfRunning);
1929	>
1930	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1931	>	assertTrue(complete1.call());
1932	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1933	>	checkIncomplete(h1);
1934	>	checkIncomplete(h2);
1935	>	assertTrue(complete2.call());
1936	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1937	>
1938	>	checkCompletedWithWrappedCancellationException(h1);
1939	>	checkCompletedWithWrappedCancellationException(h2);
1940	>	checkCompletedWithWrappedCancellationException(h3);
1941	>	r1.assertNotInvoked();
1942	>	r2.assertNotInvoked();
1943	>	r3.assertNotInvoked();
1944	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1945	>	checkCancelled(failFirst ? fst : snd);
1946	>	}}
1947
1948		/**
1949	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1949	>	* thenAcceptBoth result completes exceptionally if action does
1950		*/
1951	<	public void testThenAcceptBoth4() {
1952	<	CompletableFuture<Integer> f, g;
1953	<	CompletableFuture<Void> h;
1954	<	SubtractAction r;
1955	<
1956	<	f = new CompletableFuture<>();
1957	<	g = new CompletableFuture<>();
1958	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1959	<	assertTrue(f.cancel(true));
1960	<	checkIncomplete(h);
1961	<	g.complete(1);
1962	<	checkCompletedWithWrappedCancellationException(h);
1963	<
1964	<	f = new CompletableFuture<>();
1965	<	g = new CompletableFuture<>();
1966	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1967	<	assertTrue(g.cancel(true));
1968	<	checkIncomplete(h);
1969	<	f.complete(3);
1970	<	checkCompletedWithWrappedCancellationException(h);
1971	<
1972	<	f = new CompletableFuture<>();
1973	<	g = new CompletableFuture<>();
1974	<	f.complete(3);
1975	<	assertTrue(g.cancel(true));
1976	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1977	<	checkCompletedWithWrappedCancellationException(h);
1978	<
1979	<	f = new CompletableFuture<>();
1980	<	g = new CompletableFuture<>();
1981	<	assertTrue(f.cancel(true));
1982	<	g.complete(3);
914	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
915	<	checkCompletedWithWrappedCancellationException(h);
916	<	}
1951	>	public void testThenAcceptBoth_actionFailed() {
1952	>	for (ExecutionMode m : ExecutionMode.values())
1953	>	for (boolean fFirst : new boolean[] { true, false })
1954	>	for (Integer v1 : new Integer[] { 1, null })
1955	>	for (Integer v2 : new Integer[] { 2, null })
1956	>	{
1957	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1958	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1959	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1960	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1961	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1962	>
1963	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1964	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1965	>	final Integer w1 =  fFirst ? v1 : v2;
1966	>	final Integer w2 = !fFirst ? v1 : v2;
1967	>
1968	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1969	>	assertTrue(fst.complete(w1));
1970	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1971	>	assertTrue(snd.complete(w2));
1972	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1973	>
1974	>	checkCompletedWithWrappedException(h1, r1.ex);
1975	>	checkCompletedWithWrappedException(h2, r2.ex);
1976	>	checkCompletedWithWrappedException(h3, r3.ex);
1977	>	r1.assertInvoked();
1978	>	r2.assertInvoked();
1979	>	r3.assertInvoked();
1980	>	checkCompletedNormally(f, v1);
1981	>	checkCompletedNormally(g, v2);
1982	>	}}
1983
1984		/**
1985		* runAfterBoth result completes normally after normal
1986		* completion of sources
1987		*/
1988	<	public void testRunAfterBoth() {
1989	<	CompletableFuture<Integer> f, g;
1990	<	CompletableFuture<Void> h;
1991	<	Noop r;
1992	<
1993	<	f = new CompletableFuture<>();
1994	<	g = new CompletableFuture<>();
1995	<	h = f.runAfterBoth(g, r = new Noop());
1996	<	f.complete(3);
1997	<	checkIncomplete(h);
1998	<	g.complete(1);
1999	<	checkCompletedNormally(h, null);
2000	<	assertTrue(r.ran);
2001	<
2002	<	f = new CompletableFuture<>();
2003	<	g = new CompletableFuture<>();
2004	<	h = f.runAfterBoth(g, r = new Noop());
2005	<	g.complete(1);
2006	<	checkIncomplete(h);
2007	<	f.complete(3);
2008	<	checkCompletedNormally(h, null);
2009	<	assertTrue(r.ran);
2010	<
2011	<	f = new CompletableFuture<>();
2012	<	g = new CompletableFuture<>();
2013	<	g.complete(1);
2014	<	f.complete(3);
2015	<	h = f.runAfterBoth(g, r = new Noop());
2016	<	checkCompletedNormally(h, null);
2017	<	assertTrue(r.ran);
2018	<	}
1988	>	public void testRunAfterBoth_normalCompletion() {
1989	>	for (ExecutionMode m : ExecutionMode.values())
1990	>	for (boolean fFirst : new boolean[] { true, false })
1991	>	for (Integer v1 : new Integer[] { 1, null })
1992	>	for (Integer v2 : new Integer[] { 2, null })
1993	>	{
1994	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1995	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1996	>	final Noop r1 = new Noop(m);
1997	>	final Noop r2 = new Noop(m);
1998	>	final Noop r3 = new Noop(m);
1999	>
2000	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2001	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2002	>	final Integer w1 =  fFirst ? v1 : v2;
2003	>	final Integer w2 = !fFirst ? v1 : v2;
2004	>
2005	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2006	>	assertTrue(fst.complete(w1));
2007	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2008	>	checkIncomplete(h1);
2009	>	checkIncomplete(h2);
2010	>	r1.assertNotInvoked();
2011	>	r2.assertNotInvoked();
2012	>	assertTrue(snd.complete(w2));
2013	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2014	>
2015	>	checkCompletedNormally(h1, null);
2016	>	checkCompletedNormally(h2, null);
2017	>	checkCompletedNormally(h3, null);
2018	>	r1.assertInvoked();
2019	>	r2.assertInvoked();
2020	>	r3.assertInvoked();
2021	>	checkCompletedNormally(f, v1);
2022	>	checkCompletedNormally(g, v2);
2023	>	}}
2024
2025		/**
2026		* runAfterBoth result completes exceptionally after exceptional
2027		* completion of either source
2028		*/
2029	<	public void testRunAfterBoth2() {
2030	<	CompletableFuture<Integer> f, g;
2031	<	CompletableFuture<Void> h;
2032	<	Noop r;
2033	<
2034	<	f = new CompletableFuture<>();
2035	<	g = new CompletableFuture<>();
2036	<	h = f.runAfterBoth(g, r = new Noop());
2037	<	f.completeExceptionally(new CFException());
2038	<	checkIncomplete(h);
2039	<	g.complete(1);
2040	<	checkCompletedWithWrappedCFException(h);
2041	<	assertFalse(r.ran);
2042	<
2043	<	f = new CompletableFuture<>();
2044	<	g = new CompletableFuture<>();
2045	<	h = f.runAfterBoth(g, r = new Noop());
2046	<	g.completeExceptionally(new CFException());
2047	<	checkIncomplete(h);
2048	<	f.complete(3);
2049	<	checkCompletedWithWrappedCFException(h);
2050	<	assertFalse(r.ran);
2051	<
2052	<	f = new CompletableFuture<>();
2053	<	g = new CompletableFuture<>();
2054	<	g.completeExceptionally(new CFException());
2055	<	f.complete(3);
2056	<	h = f.runAfterBoth(g, r = new Noop());
2057	<	checkCompletedWithWrappedCFException(h);
2058	<	assertFalse(r.ran);
2059	<
2060	<	f = new CompletableFuture<>();
2061	<	g = new CompletableFuture<>();
2062	<	f.completeExceptionally(new CFException());
2063	<	g.complete(1);
2064	<	h = f.runAfterBoth(g, r = new Noop());
2065	<	checkCompletedWithWrappedCFException(h);
2066	<	assertFalse(r.ran);
2067	<	}
2029	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2030	>	for (ExecutionMode m : ExecutionMode.values())
2031	>	for (boolean fFirst : new boolean[] { true, false })
2032	>	for (boolean failFirst : new boolean[] { true, false })
2033	>	for (Integer v1 : new Integer[] { 1, null })
2034	>	{
2035	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2036	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2037	>	final CFException ex = new CFException();
2038	>	final Noop r1 = new Noop(m);
2039	>	final Noop r2 = new Noop(m);
2040	>	final Noop r3 = new Noop(m);
2041	>
2042	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2043	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2044	>	final Callable<Boolean> complete1 = failFirst ?
2045	>	() -> fst.completeExceptionally(ex) :
2046	>	() -> fst.complete(v1);
2047	>	final Callable<Boolean> complete2 = failFirst ?
2048	>	() -> snd.complete(v1) :
2049	>	() -> snd.completeExceptionally(ex);
2050	>
2051	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2052	>	assertTrue(complete1.call());
2053	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2054	>	checkIncomplete(h1);
2055	>	checkIncomplete(h2);
2056	>	assertTrue(complete2.call());
2057	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2058	>
2059	>	checkCompletedWithWrappedException(h1, ex);
2060	>	checkCompletedWithWrappedException(h2, ex);
2061	>	checkCompletedWithWrappedException(h3, ex);
2062	>	r1.assertNotInvoked();
2063	>	r2.assertNotInvoked();
2064	>	r3.assertNotInvoked();
2065	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2066	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2067	>	}}
2068
2069		/**
2070	<	* runAfterBoth result completes exceptionally if action does
2070	>	* runAfterBoth result completes exceptionally if either source cancelled
2071		*/
2072	<	public void testRunAfterBoth3() {
2073	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2074	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2075	<	FailingNoop r = new FailingNoop();
2076	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2077	<	f.complete(one);
2078	<	checkIncomplete(g);
2079	<	f2.complete(two);
2080	<	checkCompletedWithWrappedCFException(g);
2081	<	}
2072	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2073	>	for (ExecutionMode m : ExecutionMode.values())
2074	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2075	>	for (boolean fFirst : new boolean[] { true, false })
2076	>	for (boolean failFirst : new boolean[] { true, false })
2077	>	for (Integer v1 : new Integer[] { 1, null })
2078	>	{
2079	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2080	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2081	>	final Noop r1 = new Noop(m);
2082	>	final Noop r2 = new Noop(m);
2083	>	final Noop r3 = new Noop(m);
2084	>
2085	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2086	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2087	>	final Callable<Boolean> complete1 = failFirst ?
2088	>	() -> fst.cancel(mayInterruptIfRunning) :
2089	>	() -> fst.complete(v1);
2090	>	final Callable<Boolean> complete2 = failFirst ?
2091	>	() -> snd.complete(v1) :
2092	>	() -> snd.cancel(mayInterruptIfRunning);
2093	>
2094	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2095	>	assertTrue(complete1.call());
2096	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2097	>	checkIncomplete(h1);
2098	>	checkIncomplete(h2);
2099	>	assertTrue(complete2.call());
2100	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2101	>
2102	>	checkCompletedWithWrappedCancellationException(h1);
2103	>	checkCompletedWithWrappedCancellationException(h2);
2104	>	checkCompletedWithWrappedCancellationException(h3);
2105	>	r1.assertNotInvoked();
2106	>	r2.assertNotInvoked();
2107	>	r3.assertNotInvoked();
2108	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2109	>	checkCancelled(failFirst ? fst : snd);
2110	>	}}
2111
2112		/**
2113	<	* runAfterBoth result completes exceptionally if either source cancelled
2113	>	* runAfterBoth result completes exceptionally if action does
2114		*/
2115	<	public void testRunAfterBoth4() {
2116	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2117	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2118	<	Noop r = new Noop();
2119	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2120	<	assertTrue(f.cancel(true));
2121	<	f2.complete(two);
2122	<	checkCompletedWithWrappedCancellationException(g);
2123	<	f = new CompletableFuture<>();
2124	<	f2 = new CompletableFuture<>();
2125	<	r = new Noop();
2126	<	g = f.runAfterBoth(f2, r);
2127	<	f.complete(one);
2128	<	assertTrue(f2.cancel(true));
2129	<	checkCompletedWithWrappedCancellationException(g);
2130	<	}
2115	>	public void testRunAfterBoth_actionFailed() {
2116	>	for (ExecutionMode m : ExecutionMode.values())
2117	>	for (boolean fFirst : new boolean[] { true, false })
2118	>	for (Integer v1 : new Integer[] { 1, null })
2119	>	for (Integer v2 : new Integer[] { 2, null })
2120	>	{
2121	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2122	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2123	>	final FailingRunnable r1 = new FailingRunnable(m);
2124	>	final FailingRunnable r2 = new FailingRunnable(m);
2125	>	final FailingRunnable r3 = new FailingRunnable(m);
2126	>
2127	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2128	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2129	>	final Integer w1 =  fFirst ? v1 : v2;
2130	>	final Integer w2 = !fFirst ? v1 : v2;
2131	>
2132	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2133	>	assertTrue(fst.complete(w1));
2134	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2135	>	assertTrue(snd.complete(w2));
2136	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2137	>
2138	>	checkCompletedWithWrappedException(h1, r1.ex);
2139	>	checkCompletedWithWrappedException(h2, r2.ex);
2140	>	checkCompletedWithWrappedException(h3, r3.ex);
2141	>	r1.assertInvoked();
2142	>	r2.assertInvoked();
2143	>	r3.assertInvoked();
2144	>	checkCompletedNormally(f, v1);
2145	>	checkCompletedNormally(g, v2);
2146	>	}}
2147
2148		/**
2149		* applyToEither result completes normally after normal completion
2150		* of either source
2151		*/
2152	<	public void testApplyToEither() {
2153	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2154	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2155	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2156	<	f.complete(one);
2157	<	checkCompletedNormally(g, two);
2158	<	f2.complete(one);
2159	<	checkCompletedNormally(g, two);
2160	<
2161	<	f = new CompletableFuture<>();
2162	<	f.complete(one);
2163	<	f2 = new CompletableFuture<>();
2164	<	g = f.applyToEither(f2, inc);
2165	<	checkCompletedNormally(g, two);
2166	<	}
2152	>	public void testApplyToEither_normalCompletion() {
2153	>	for (ExecutionMode m : ExecutionMode.values())
2154	>	for (Integer v1 : new Integer[] { 1, null })
2155	>	for (Integer v2 : new Integer[] { 2, null })
2156	>	{
2157	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2158	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2159	>	final IncFunction[] rs = new IncFunction[6];
2160	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2161	>
2162	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2163	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2164	>	checkIncomplete(h0);
2165	>	checkIncomplete(h1);
2166	>	rs[0].assertNotInvoked();
2167	>	rs[1].assertNotInvoked();
2168	>	f.complete(v1);
2169	>	checkCompletedNormally(h0, inc(v1));
2170	>	checkCompletedNormally(h1, inc(v1));
2171	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2172	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2173	>	checkCompletedNormally(h2, inc(v1));
2174	>	checkCompletedNormally(h3, inc(v1));
2175	>	g.complete(v2);
2176	>
2177	>	// unspecified behavior - both source completions available
2178	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2179	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2180	>	rs[4].assertValue(h4.join());
2181	>	rs[5].assertValue(h5.join());
2182	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2183	>	Objects.equals(inc(v2), h4.join()));
2184	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2185	>	Objects.equals(inc(v2), h5.join()));
2186	>
2187	>	checkCompletedNormally(f, v1);
2188	>	checkCompletedNormally(g, v2);
2189	>	checkCompletedNormally(h0, inc(v1));
2190	>	checkCompletedNormally(h1, inc(v1));
2191	>	checkCompletedNormally(h2, inc(v1));
2192	>	checkCompletedNormally(h3, inc(v1));
2193	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2194	>	}}
2195
2196		/**
2197		* applyToEither result completes exceptionally after exceptional
2198		* completion of either source
2199		*/
2200	<	public void testApplyToEither2() {
2201	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2202	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2203	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2204	<	f.completeExceptionally(new CFException());
2205	<	f2.complete(one);
2206	<	checkCompletedWithWrappedCFException(g);
2200	>	public void testApplyToEither_exceptionalCompletion() {
2201	>	for (ExecutionMode m : ExecutionMode.values())
2202	>	for (Integer v1 : new Integer[] { 1, null })
2203	>	{
2204	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2205	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2206	>	final CFException ex = new CFException();
2207	>	final IncFunction[] rs = new IncFunction[6];
2208	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2209	>
2210	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2211	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2212	>	checkIncomplete(h0);
2213	>	checkIncomplete(h1);
2214	>	rs[0].assertNotInvoked();
2215	>	rs[1].assertNotInvoked();
2216	>	f.completeExceptionally(ex);
2217	>	checkCompletedWithWrappedException(h0, ex);
2218	>	checkCompletedWithWrappedException(h1, ex);
2219	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2220	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2221	>	checkCompletedWithWrappedException(h2, ex);
2222	>	checkCompletedWithWrappedException(h3, ex);
2223	>	g.complete(v1);
2224	>
2225	>	// unspecified behavior - both source completions available
2226	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2227	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2228	>	try {
2229	>	assertEquals(inc(v1), h4.join());
2230	>	rs[4].assertValue(inc(v1));
2231	>	} catch (CompletionException ok) {
2232	>	checkCompletedWithWrappedException(h4, ex);
2233	>	rs[4].assertNotInvoked();
2234	>	}
2235	>	try {
2236	>	assertEquals(inc(v1), h5.join());
2237	>	rs[5].assertValue(inc(v1));
2238	>	} catch (CompletionException ok) {
2239	>	checkCompletedWithWrappedException(h5, ex);
2240	>	rs[5].assertNotInvoked();
2241	>	}
2242
2243	<	f = new CompletableFuture<>();
2244	<	f2 = new CompletableFuture<>();
2245	<	f2.completeExceptionally(new CFException());
2246	<	g = f.applyToEither(f2, inc);
2247	<	checkCompletedWithWrappedCFException(g);
2248	<	}
2243	>	checkCompletedExceptionally(f, ex);
2244	>	checkCompletedNormally(g, v1);
2245	>	checkCompletedWithWrappedException(h0, ex);
2246	>	checkCompletedWithWrappedException(h1, ex);
2247	>	checkCompletedWithWrappedException(h2, ex);
2248	>	checkCompletedWithWrappedException(h3, ex);
2249	>	checkCompletedWithWrappedException(h4, ex);
2250	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2251	>	}}
2252	>
2253	>	public void testApplyToEither_exceptionalCompletion2() {
2254	>	for (ExecutionMode m : ExecutionMode.values())
2255	>	for (boolean fFirst : new boolean[] { true, false })
2256	>	for (Integer v1 : new Integer[] { 1, null })
2257	>	{
2258	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2259	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2260	>	final CFException ex = new CFException();
2261	>	final IncFunction[] rs = new IncFunction[6];
2262	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2263	>
2264	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2265	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2266	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2267	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2268	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2269	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2270
2271	<	/**
2272	<	* applyToEither result completes exceptionally if action does
2273	<	*/
2274	<	public void testApplyToEither3() {
2275	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2276	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2277	<	FailingFunction r = new FailingFunction();
2278	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
2279	<	f2.complete(two);
2280	<	checkCompletedWithWrappedCFException(g);
2281	<	}
2271	>	// unspecified behavior - both source completions available
2272	>	try {
2273	>	assertEquals(inc(v1), h0.join());
2274	>	rs[0].assertValue(inc(v1));
2275	>	} catch (CompletionException ok) {
2276	>	checkCompletedWithWrappedException(h0, ex);
2277	>	rs[0].assertNotInvoked();
2278	>	}
2279	>	try {
2280	>	assertEquals(inc(v1), h1.join());
2281	>	rs[1].assertValue(inc(v1));
2282	>	} catch (CompletionException ok) {
2283	>	checkCompletedWithWrappedException(h1, ex);
2284	>	rs[1].assertNotInvoked();
2285	>	}
2286	>	try {
2287	>	assertEquals(inc(v1), h2.join());
2288	>	rs[2].assertValue(inc(v1));
2289	>	} catch (CompletionException ok) {
2290	>	checkCompletedWithWrappedException(h2, ex);
2291	>	rs[2].assertNotInvoked();
2292	>	}
2293	>	try {
2294	>	assertEquals(inc(v1), h3.join());
2295	>	rs[3].assertValue(inc(v1));
2296	>	} catch (CompletionException ok) {
2297	>	checkCompletedWithWrappedException(h3, ex);
2298	>	rs[3].assertNotInvoked();
2299	>	}
2300
2301	<	/**
2302	<	* applyToEither result completes exceptionally if either source cancelled
2303	<	*/
1086	<	public void testApplyToEither4() {
1087	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1088	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1089	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1090	<	assertTrue(f.cancel(true));
1091	<	checkCompletedWithWrappedCancellationException(g);
1092	<	f = new CompletableFuture<>();
1093	<	f2 = new CompletableFuture<>();
1094	<	assertTrue(f2.cancel(true));
1095	<	checkCompletedWithWrappedCancellationException(g);
1096	<	}
2301	>	checkCompletedNormally(f, v1);
2302	>	checkCompletedExceptionally(g, ex);
2303	>	}}
2304
2305		/**
2306	<	* acceptEither result completes normally after normal completion
1100	<	* of either source
2306	>	* applyToEither result completes exceptionally if either source cancelled
2307		*/
2308	<	public void testAcceptEither() {
2309	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2310	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2311	<	IncAction r = new IncAction();
2312	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2313	<	f.complete(one);
2314	<	checkCompletedNormally(g, null);
2315	<	f2.complete(one);
2316	<	checkCompletedNormally(g, null);
2317	<	assertEquals(r.value, 2);
2318	<
2319	<	r = new IncAction();
2320	<	f = new CompletableFuture<>();
2321	<	f.complete(one);
2322	<	f2 = new CompletableFuture<>();
2323	<	g = f.acceptEither(f2, r);
2324	<	checkCompletedNormally(g, null);
2325	<	assertEquals(r.value, 2);
2326	<	}
2308	>	public void testApplyToEither_sourceCancelled() {
2309	>	for (ExecutionMode m : ExecutionMode.values())
2310	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2311	>	for (Integer v1 : new Integer[] { 1, null })
2312	>	{
2313	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2314	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2315	>	final IncFunction[] rs = new IncFunction[6];
2316	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2317	>
2318	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2319	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2320	>	checkIncomplete(h0);
2321	>	checkIncomplete(h1);
2322	>	rs[0].assertNotInvoked();
2323	>	rs[1].assertNotInvoked();
2324	>	f.cancel(mayInterruptIfRunning);
2325	>	checkCompletedWithWrappedCancellationException(h0);
2326	>	checkCompletedWithWrappedCancellationException(h1);
2327	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2328	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2329	>	checkCompletedWithWrappedCancellationException(h2);
2330	>	checkCompletedWithWrappedCancellationException(h3);
2331	>	g.complete(v1);
2332	>
2333	>	// unspecified behavior - both source completions available
2334	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2335	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2336	>	try {
2337	>	assertEquals(inc(v1), h4.join());
2338	>	rs[4].assertValue(inc(v1));
2339	>	} catch (CompletionException ok) {
2340	>	checkCompletedWithWrappedCancellationException(h4);
2341	>	rs[4].assertNotInvoked();
2342	>	}
2343	>	try {
2344	>	assertEquals(inc(v1), h5.join());
2345	>	rs[5].assertValue(inc(v1));
2346	>	} catch (CompletionException ok) {
2347	>	checkCompletedWithWrappedCancellationException(h5);
2348	>	rs[5].assertNotInvoked();
2349	>	}
2350
2351	<	/**
2352	<	* acceptEither result completes exceptionally after exceptional
2353	<	* completion of either source
2354	<	*/
2355	<	public void testAcceptEither2() {
2356	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2357	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2358	<	IncAction r = new IncAction();
2359	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2360	<	f.completeExceptionally(new CFException());
2361	<	f2.complete(one);
2362	<	checkCompletedWithWrappedCFException(g);
2351	>	checkCancelled(f);
2352	>	checkCompletedNormally(g, v1);
2353	>	checkCompletedWithWrappedCancellationException(h0);
2354	>	checkCompletedWithWrappedCancellationException(h1);
2355	>	checkCompletedWithWrappedCancellationException(h2);
2356	>	checkCompletedWithWrappedCancellationException(h3);
2357	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2358	>	}}
2359	>
2360	>	public void testApplyToEither_sourceCancelled2() {
2361	>	for (ExecutionMode m : ExecutionMode.values())
2362	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2363	>	for (boolean fFirst : new boolean[] { true, false })
2364	>	for (Integer v1 : new Integer[] { 1, null })
2365	>	{
2366	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2367	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2368	>	final IncFunction[] rs = new IncFunction[6];
2369	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2370	>
2371	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2372	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2373	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2374	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2375	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2376	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2377
2378	<	r = new IncAction();
2379	<	f = new CompletableFuture<>();
2380	<	f2 = new CompletableFuture<>();
2381	<	f2.completeExceptionally(new CFException());
2382	<	g = f.acceptEither(f2, r);
2383	<	checkCompletedWithWrappedCFException(g);
2384	<	}
2378	>	// unspecified behavior - both source completions available
2379	>	try {
2380	>	assertEquals(inc(v1), h0.join());
2381	>	rs[0].assertValue(inc(v1));
2382	>	} catch (CompletionException ok) {
2383	>	checkCompletedWithWrappedCancellationException(h0);
2384	>	rs[0].assertNotInvoked();
2385	>	}
2386	>	try {
2387	>	assertEquals(inc(v1), h1.join());
2388	>	rs[1].assertValue(inc(v1));
2389	>	} catch (CompletionException ok) {
2390	>	checkCompletedWithWrappedCancellationException(h1);
2391	>	rs[1].assertNotInvoked();
2392	>	}
2393	>	try {
2394	>	assertEquals(inc(v1), h2.join());
2395	>	rs[2].assertValue(inc(v1));
2396	>	} catch (CompletionException ok) {
2397	>	checkCompletedWithWrappedCancellationException(h2);
2398	>	rs[2].assertNotInvoked();
2399	>	}
2400	>	try {
2401	>	assertEquals(inc(v1), h3.join());
2402	>	rs[3].assertValue(inc(v1));
2403	>	} catch (CompletionException ok) {
2404	>	checkCompletedWithWrappedCancellationException(h3);
2405	>	rs[3].assertNotInvoked();
2406	>	}
2407
2408	<	/**
2409	<	* acceptEither result completes exceptionally if action does
2410	<	*/
1146	<	public void testAcceptEither3() {
1147	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1148	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1149	<	FailingConsumer r = new FailingConsumer();
1150	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1151	<	f2.complete(two);
1152	<	checkCompletedWithWrappedCFException(g);
1153	<	}
2408	>	checkCompletedNormally(f, v1);
2409	>	checkCancelled(g);
2410	>	}}
2411
2412		/**
2413	<	* acceptEither result completes exceptionally if either source cancelled
2413	>	* applyToEither result completes exceptionally if action does
2414		*/
2415	<	public void testAcceptEither4() {
2416	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2417	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2418	<	IncAction r = new IncAction();
2419	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2420	<	assertTrue(f.cancel(true));
2421	<	checkCompletedWithWrappedCancellationException(g);
2422	<	f = new CompletableFuture<>();
2423	<	f2 = new CompletableFuture<>();
2424	<	assertTrue(f2.cancel(true));
2425	<	checkCompletedWithWrappedCancellationException(g);
2426	<	}
2415	>	public void testApplyToEither_actionFailed() {
2416	>	for (ExecutionMode m : ExecutionMode.values())
2417	>	for (Integer v1 : new Integer[] { 1, null })
2418	>	for (Integer v2 : new Integer[] { 2, null })
2419	>	{
2420	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2421	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2422	>	final FailingFunction[] rs = new FailingFunction[6];
2423	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2424	>
2425	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2426	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2427	>	f.complete(v1);
2428	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2429	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2430	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2431	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2432	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2433	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2434	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2435	>
2436	>	g.complete(v2);
2437	>
2438	>	// unspecified behavior - both source completions available
2439	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2440	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2441	>
2442	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2443	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2444	>	Objects.equals(v2, rs[4].value));
2445	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2446	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2447	>	Objects.equals(v2, rs[5].value));
2448	>
2449	>	checkCompletedNormally(f, v1);
2450	>	checkCompletedNormally(g, v2);
2451	>	}}
2452
2453		/**
2454	<	* runAfterEither result completes normally after normal completion
2454	>	* acceptEither result completes normally after normal completion
2455		* of either source
2456		*/
2457	<	public void testRunAfterEither() {
2458	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2459	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2460	<	Noop r = new Noop();
2461	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2462	<	f.complete(one);
2463	<	checkCompletedNormally(g, null);
2464	<	f2.complete(one);
2465	<	checkCompletedNormally(g, null);
2466	<	assertTrue(r.ran);
2467	<
2468	<	r = new Noop();
2469	<	f = new CompletableFuture<>();
2470	<	f.complete(one);
2471	<	f2 = new CompletableFuture<>();
2472	<	g = f.runAfterEither(f2, r);
2473	<	checkCompletedNormally(g, null);
2474	<	assertTrue(r.ran);
2475	<	}
2457	>	public void testAcceptEither_normalCompletion() {
2458	>	for (ExecutionMode m : ExecutionMode.values())
2459	>	for (Integer v1 : new Integer[] { 1, null })
2460	>	for (Integer v2 : new Integer[] { 2, null })
2461	>	{
2462	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2463	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2464	>	final NoopConsumer[] rs = new NoopConsumer[6];
2465	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2466	>
2467	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2468	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2469	>	checkIncomplete(h0);
2470	>	checkIncomplete(h1);
2471	>	rs[0].assertNotInvoked();
2472	>	rs[1].assertNotInvoked();
2473	>	f.complete(v1);
2474	>	checkCompletedNormally(h0, null);
2475	>	checkCompletedNormally(h1, null);
2476	>	rs[0].assertValue(v1);
2477	>	rs[1].assertValue(v1);
2478	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2479	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2480	>	checkCompletedNormally(h2, null);
2481	>	checkCompletedNormally(h3, null);
2482	>	rs[2].assertValue(v1);
2483	>	rs[3].assertValue(v1);
2484	>	g.complete(v2);
2485	>
2486	>	// unspecified behavior - both source completions available
2487	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2488	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2489	>	checkCompletedNormally(h4, null);
2490	>	checkCompletedNormally(h5, null);
2491	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2492	>	Objects.equals(v2, rs[4].value));
2493	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2494	>	Objects.equals(v2, rs[5].value));
2495	>
2496	>	checkCompletedNormally(f, v1);
2497	>	checkCompletedNormally(g, v2);
2498	>	checkCompletedNormally(h0, null);
2499	>	checkCompletedNormally(h1, null);
2500	>	checkCompletedNormally(h2, null);
2501	>	checkCompletedNormally(h3, null);
2502	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2503	>	}}
2504
2505		/**
2506	<	* runAfterEither result completes exceptionally after exceptional
2506	>	* acceptEither result completes exceptionally after exceptional
2507		* completion of either source
2508		*/
2509	<	public void testRunAfterEither2() {
2510	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2511	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2512	<	Noop r = new Noop();
2513	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2514	<	f.completeExceptionally(new CFException());
2515	<	f2.complete(one);
2516	<	checkCompletedWithWrappedCFException(g);
2517	<
2518	<	r = new Noop();
2519	<	f = new CompletableFuture<>();
2520	<	f2 = new CompletableFuture<>();
2521	<	f2.completeExceptionally(new CFException());
2522	<	g = f.runAfterEither(f2, r);
2523	<	checkCompletedWithWrappedCFException(g);
2524	<	}
2525	<
2526	<	/**
2527	<	* runAfterEither result completes exceptionally if action does
2528	<	*/
2529	<	public void testRunAfterEither3() {
2530	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2531	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2532	<	FailingNoop r = new FailingNoop();
2533	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2534	<	f2.complete(two);
2535	<	checkCompletedWithWrappedCFException(g);
2536	<	}
2537	<
2538	<	/**
2539	<	* runAfterEither result completes exceptionally if either source cancelled
2540	<	*/
2541	<	public void testRunAfterEither4() {
2542	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2543	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2544	<	Noop r = new Noop();
2545	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2546	<	assertTrue(f.cancel(true));
2547	<	checkCompletedWithWrappedCancellationException(g);
2548	<	f = new CompletableFuture<>();
2549	<	f2 = new CompletableFuture<>();
2550	<	assertTrue(f2.cancel(true));
2551	<	checkCompletedWithWrappedCancellationException(g);
1242	<	}
2509	>	public void testAcceptEither_exceptionalCompletion() {
2510	>	for (ExecutionMode m : ExecutionMode.values())
2511	>	for (Integer v1 : new Integer[] { 1, null })
2512	>	{
2513	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2514	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2515	>	final CFException ex = new CFException();
2516	>	final NoopConsumer[] rs = new NoopConsumer[6];
2517	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2518	>
2519	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2520	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2521	>	checkIncomplete(h0);
2522	>	checkIncomplete(h1);
2523	>	rs[0].assertNotInvoked();
2524	>	rs[1].assertNotInvoked();
2525	>	f.completeExceptionally(ex);
2526	>	checkCompletedWithWrappedException(h0, ex);
2527	>	checkCompletedWithWrappedException(h1, ex);
2528	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2529	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2530	>	checkCompletedWithWrappedException(h2, ex);
2531	>	checkCompletedWithWrappedException(h3, ex);
2532	>
2533	>	g.complete(v1);
2534	>
2535	>	// unspecified behavior - both source completions available
2536	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2537	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2538	>	try {
2539	>	assertNull(h4.join());
2540	>	rs[4].assertValue(v1);
2541	>	} catch (CompletionException ok) {
2542	>	checkCompletedWithWrappedException(h4, ex);
2543	>	rs[4].assertNotInvoked();
2544	>	}
2545	>	try {
2546	>	assertNull(h5.join());
2547	>	rs[5].assertValue(v1);
2548	>	} catch (CompletionException ok) {
2549	>	checkCompletedWithWrappedException(h5, ex);
2550	>	rs[5].assertNotInvoked();
2551	>	}
2552
2553	<	/**
2554	<	* thenCompose result completes normally after normal completion of source
2555	<	*/
2556	<	public void testThenCompose() {
2557	<	CompletableFuture<Integer> f, g;
2558	<	CompletableFutureInc r;
2553	>	checkCompletedExceptionally(f, ex);
2554	>	checkCompletedNormally(g, v1);
2555	>	checkCompletedWithWrappedException(h0, ex);
2556	>	checkCompletedWithWrappedException(h1, ex);
2557	>	checkCompletedWithWrappedException(h2, ex);
2558	>	checkCompletedWithWrappedException(h3, ex);
2559	>	checkCompletedWithWrappedException(h4, ex);
2560	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2561	>	}}
2562	>
2563	>	public void testAcceptEither_exceptionalCompletion2() {
2564	>	for (ExecutionMode m : ExecutionMode.values())
2565	>	for (boolean fFirst : new boolean[] { true, false })
2566	>	for (Integer v1 : new Integer[] { 1, null })
2567	>	{
2568	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2569	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2570	>	final CFException ex = new CFException();
2571	>	final NoopConsumer[] rs = new NoopConsumer[6];
2572	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2573	>
2574	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2575	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2576	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2577	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2578	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2579	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2580
2581	<	f = new CompletableFuture<>();
2582	<	g = f.thenCompose(r = new CompletableFutureInc());
2583	<	f.complete(one);
2584	<	checkCompletedNormally(g, two);
2585	<	assertTrue(r.ran);
2581	>	// unspecified behavior - both source completions available
2582	>	try {
2583	>	assertNull(h0.join());
2584	>	rs[0].assertValue(v1);
2585	>	} catch (CompletionException ok) {
2586	>	checkCompletedWithWrappedException(h0, ex);
2587	>	rs[0].assertNotInvoked();
2588	>	}
2589	>	try {
2590	>	assertNull(h1.join());
2591	>	rs[1].assertValue(v1);
2592	>	} catch (CompletionException ok) {
2593	>	checkCompletedWithWrappedException(h1, ex);
2594	>	rs[1].assertNotInvoked();
2595	>	}
2596	>	try {
2597	>	assertNull(h2.join());
2598	>	rs[2].assertValue(v1);
2599	>	} catch (CompletionException ok) {
2600	>	checkCompletedWithWrappedException(h2, ex);
2601	>	rs[2].assertNotInvoked();
2602	>	}
2603	>	try {
2604	>	assertNull(h3.join());
2605	>	rs[3].assertValue(v1);
2606	>	} catch (CompletionException ok) {
2607	>	checkCompletedWithWrappedException(h3, ex);
2608	>	rs[3].assertNotInvoked();
2609	>	}
2610
2611	<	f = new CompletableFuture<>();
2612	<	f.complete(one);
2613	<	g = f.thenCompose(r = new CompletableFutureInc());
1260	<	checkCompletedNormally(g, two);
1261	<	assertTrue(r.ran);
1262	<	}
2611	>	checkCompletedNormally(f, v1);
2612	>	checkCompletedExceptionally(g, ex);
2613	>	}}
2614
2615		/**
2616	<	* thenCompose result completes exceptionally after exceptional
1266	<	* completion of source
2616	>	* acceptEither result completes exceptionally if either source cancelled
2617		*/
2618	<	public void testThenCompose2() {
2619	<	CompletableFuture<Integer> f, g;
2620	<	CompletableFutureInc r;
2621	<
2622	<	f = new CompletableFuture<>();
2623	<	g = f.thenCompose(r = new CompletableFutureInc());
2624	<	f.completeExceptionally(new CFException());
2625	<	checkCompletedWithWrappedCFException(g);
2618	>	public void testAcceptEither_sourceCancelled() {
2619	>	for (ExecutionMode m : ExecutionMode.values())
2620	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2621	>	for (Integer v1 : new Integer[] { 1, null })
2622	>	{
2623	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2624	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2625	>	final NoopConsumer[] rs = new NoopConsumer[6];
2626	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2627	>
2628	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2629	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2630	>	checkIncomplete(h0);
2631	>	checkIncomplete(h1);
2632	>	rs[0].assertNotInvoked();
2633	>	rs[1].assertNotInvoked();
2634	>	f.cancel(mayInterruptIfRunning);
2635	>	checkCompletedWithWrappedCancellationException(h0);
2636	>	checkCompletedWithWrappedCancellationException(h1);
2637	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2638	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2639	>	checkCompletedWithWrappedCancellationException(h2);
2640	>	checkCompletedWithWrappedCancellationException(h3);
2641	>
2642	>	g.complete(v1);
2643	>
2644	>	// unspecified behavior - both source completions available
2645	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2646	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2647	>	try {
2648	>	assertNull(h4.join());
2649	>	rs[4].assertValue(v1);
2650	>	} catch (CompletionException ok) {
2651	>	checkCompletedWithWrappedCancellationException(h4);
2652	>	rs[4].assertNotInvoked();
2653	>	}
2654	>	try {
2655	>	assertNull(h5.join());
2656	>	rs[5].assertValue(v1);
2657	>	} catch (CompletionException ok) {
2658	>	checkCompletedWithWrappedCancellationException(h5);
2659	>	rs[5].assertNotInvoked();
2660	>	}
2661
2662	<	f = new CompletableFuture<>();
2663	<	f.completeExceptionally(new CFException());
2664	<	g = f.thenCompose(r = new CompletableFutureInc());
2665	<	checkCompletedWithWrappedCFException(g);
2666	<	}
2662	>	checkCancelled(f);
2663	>	checkCompletedNormally(g, v1);
2664	>	checkCompletedWithWrappedCancellationException(h0);
2665	>	checkCompletedWithWrappedCancellationException(h1);
2666	>	checkCompletedWithWrappedCancellationException(h2);
2667	>	checkCompletedWithWrappedCancellationException(h3);
2668	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2669	>	}}
2670
2671		/**
2672	<	* thenCompose result completes exceptionally if action does
2672	>	* acceptEither result completes exceptionally if action does
2673		*/
2674	<	public void testThenCompose3() {
2675	<	CompletableFuture<Integer> f, g;
2676	<	FailingCompletableFutureFunction r;
2677	<
2678	<	f = new CompletableFuture<>();
2679	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2680	<	f.complete(one);
2681	<	checkCompletedWithWrappedCFException(g);
2682	<
2683	<	f = new CompletableFuture<>();
2684	<	f.complete(one);
2685	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2686	<	checkCompletedWithWrappedCFException(g);
2687	<	}
2674	>	public void testAcceptEither_actionFailed() {
2675	>	for (ExecutionMode m : ExecutionMode.values())
2676	>	for (Integer v1 : new Integer[] { 1, null })
2677	>	for (Integer v2 : new Integer[] { 2, null })
2678	>	{
2679	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2680	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2681	>	final FailingConsumer[] rs = new FailingConsumer[6];
2682	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2683	>
2684	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2685	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2686	>	f.complete(v1);
2687	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2688	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2689	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2690	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2691	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2692	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2693	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2694	>
2695	>	g.complete(v2);
2696	>
2697	>	// unspecified behavior - both source completions available
2698	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2699	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2700	>
2701	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2702	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2703	>	Objects.equals(v2, rs[4].value));
2704	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2705	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2706	>	Objects.equals(v2, rs[5].value));
2707	>
2708	>	checkCompletedNormally(f, v1);
2709	>	checkCompletedNormally(g, v2);
2710	>	}}
2711
2712		/**
2713	<	* thenCompose result completes exceptionally if source cancelled
2713	>	* runAfterEither result completes normally after normal completion
2714	>	* of either source
2715		*/
2716	<	public void testThenCompose4() {
2717	<	CompletableFuture<Integer> f, g;
2718	<	CompletableFutureInc r;
2719	<
2720	<	f = new CompletableFuture<>();
2721	<	g = f.thenCompose(r = new CompletableFutureInc());
2722	<	assertTrue(f.cancel(true));
2723	<	checkCompletedWithWrappedCancellationException(g);
2724	<
2725	<	f = new CompletableFuture<>();
2726	<	assertTrue(f.cancel(true));
2727	<	g = f.thenCompose(r = new CompletableFutureInc());
2728	<	checkCompletedWithWrappedCancellationException(g);
2729	<	}
2730	<
2731	<	// asyncs
2716	>	public void testRunAfterEither_normalCompletion() {
2717	>	for (ExecutionMode m : ExecutionMode.values())
2718	>	for (Integer v1 : new Integer[] { 1, null })
2719	>	for (Integer v2 : new Integer[] { 2, null })
2720	>	for (boolean pushNop : new boolean[] { true, false })
2721	>	{
2722	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2723	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2724	>	final Noop[] rs = new Noop[6];
2725	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2726	>
2727	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2728	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2729	>	checkIncomplete(h0);
2730	>	checkIncomplete(h1);
2731	>	rs[0].assertNotInvoked();
2732	>	rs[1].assertNotInvoked();
2733	>	if (pushNop) {          // ad hoc test of intra-completion interference
2734	>	m.thenRun(f, () -> {});
2735	>	m.thenRun(g, () -> {});
2736	>	}
2737	>	f.complete(v1);
2738	>	checkCompletedNormally(h0, null);
2739	>	checkCompletedNormally(h1, null);
2740	>	rs[0].assertInvoked();
2741	>	rs[1].assertInvoked();
2742	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2743	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2744	>	checkCompletedNormally(h2, null);
2745	>	checkCompletedNormally(h3, null);
2746	>	rs[2].assertInvoked();
2747	>	rs[3].assertInvoked();
2748	>
2749	>	g.complete(v2);
2750	>
2751	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2752	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2753	>
2754	>	checkCompletedNormally(f, v1);
2755	>	checkCompletedNormally(g, v2);
2756	>	checkCompletedNormally(h0, null);
2757	>	checkCompletedNormally(h1, null);
2758	>	checkCompletedNormally(h2, null);
2759	>	checkCompletedNormally(h3, null);
2760	>	checkCompletedNormally(h4, null);
2761	>	checkCompletedNormally(h5, null);
2762	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2763	>	}}
2764
2765		/**
2766	<	* thenRunAsync result completes normally after normal completion of source
2766	>	* runAfterEither result completes exceptionally after exceptional
2767	>	* completion of either source
2768		*/
2769	<	public void testThenRunAsync() {
2770	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2771	<	Noop r = new Noop();
2772	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2773	<	f.complete(null);
2774	<	checkCompletedNormally(g, null);
2769	>	public void testRunAfterEither_exceptionalCompletion() {
2770	>	for (ExecutionMode m : ExecutionMode.values())
2771	>	for (Integer v1 : new Integer[] { 1, null })
2772	>	{
2773	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2774	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2775	>	final CFException ex = new CFException();
2776	>	final Noop[] rs = new Noop[6];
2777	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2778	>
2779	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2780	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2781	>	checkIncomplete(h0);
2782	>	checkIncomplete(h1);
2783	>	rs[0].assertNotInvoked();
2784	>	rs[1].assertNotInvoked();
2785	>	assertTrue(f.completeExceptionally(ex));
2786	>	checkCompletedWithWrappedException(h0, ex);
2787	>	checkCompletedWithWrappedException(h1, ex);
2788	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2789	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2790	>	checkCompletedWithWrappedException(h2, ex);
2791	>	checkCompletedWithWrappedException(h3, ex);
2792	>
2793	>	assertTrue(g.complete(v1));
2794	>
2795	>	// unspecified behavior - both source completions available
2796	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2797	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2798	>	try {
2799	>	assertNull(h4.join());
2800	>	rs[4].assertInvoked();
2801	>	} catch (CompletionException ok) {
2802	>	checkCompletedWithWrappedException(h4, ex);
2803	>	rs[4].assertNotInvoked();
2804	>	}
2805	>	try {
2806	>	assertNull(h5.join());
2807	>	rs[5].assertInvoked();
2808	>	} catch (CompletionException ok) {
2809	>	checkCompletedWithWrappedException(h5, ex);
2810	>	rs[5].assertNotInvoked();
2811	>	}
2812
2813	<	// reordered version
2814	<	f = new CompletableFuture<>();
2815	<	f.complete(null);
2816	<	r = new Noop();
2817	<	g = f.thenRunAsync(r);
2818	<	checkCompletedNormally(g, null);
2819	<	}
2813	>	checkCompletedExceptionally(f, ex);
2814	>	checkCompletedNormally(g, v1);
2815	>	checkCompletedWithWrappedException(h0, ex);
2816	>	checkCompletedWithWrappedException(h1, ex);
2817	>	checkCompletedWithWrappedException(h2, ex);
2818	>	checkCompletedWithWrappedException(h3, ex);
2819	>	checkCompletedWithWrappedException(h4, ex);
2820	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2821	>	}}
2822	>
2823	>	public void testRunAfterEither_exceptionalCompletion2() {
2824	>	for (ExecutionMode m : ExecutionMode.values())
2825	>	for (boolean fFirst : new boolean[] { true, false })
2826	>	for (Integer v1 : new Integer[] { 1, null })
2827	>	{
2828	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2829	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2830	>	final CFException ex = new CFException();
2831	>	final Noop[] rs = new Noop[6];
2832	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2833	>
2834	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2835	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2836	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2837	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2838	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2839	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2840
2841	<	/**
1340	<	* thenRunAsync result completes exceptionally after exceptional
1341	<	* completion of source
1342	<	*/
1343	<	public void testThenRunAsync2() {
1344	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1345	<	Noop r = new Noop();
1346	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1347	<	f.completeExceptionally(new CFException());
2841	>	// unspecified behavior - both source completions available
2842		try {
2843	<	g.join();
2844	<	shouldThrow();
2845	<	} catch (Exception ok) {
2843	>	assertNull(h0.join());
2844	>	rs[0].assertInvoked();
2845	>	} catch (CompletionException ok) {
2846	>	checkCompletedWithWrappedException(h0, ex);
2847	>	rs[0].assertNotInvoked();
2848	>	}
2849	>	try {
2850	>	assertNull(h1.join());
2851	>	rs[1].assertInvoked();
2852	>	} catch (CompletionException ok) {
2853	>	checkCompletedWithWrappedException(h1, ex);
2854	>	rs[1].assertNotInvoked();
2855	>	}
2856	>	try {
2857	>	assertNull(h2.join());
2858	>	rs[2].assertInvoked();
2859	>	} catch (CompletionException ok) {
2860	>	checkCompletedWithWrappedException(h2, ex);
2861	>	rs[2].assertNotInvoked();
2862	>	}
2863	>	try {
2864	>	assertNull(h3.join());
2865	>	rs[3].assertInvoked();
2866	>	} catch (CompletionException ok) {
2867	>	checkCompletedWithWrappedException(h3, ex);
2868	>	rs[3].assertNotInvoked();
2869		}
1353	–	checkCompletedWithWrappedCFException(g);
1354	–	}
2870
2871	<	/**
2872	<	* thenRunAsync result completes exceptionally if action does
2873	<	*/
1359	<	public void testThenRunAsync3() {
1360	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1361	<	FailingNoop r = new FailingNoop();
1362	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1363	<	f.complete(null);
1364	<	checkCompletedWithWrappedCFException(g);
1365	<	}
2871	>	checkCompletedNormally(f, v1);
2872	>	checkCompletedExceptionally(g, ex);
2873	>	}}
2874
2875		/**
2876	<	* thenRunAsync result completes exceptionally if source cancelled
2876	>	* runAfterEither result completes exceptionally if either source cancelled
2877		*/
2878	<	public void testThenRunAsync4() {
2879	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2880	<	Noop r = new Noop();
2881	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2882	<	assertTrue(f.cancel(true));
2883	<	checkCompletedWithWrappedCancellationException(g);
2884	<	}
2878	>	public void testRunAfterEither_sourceCancelled() {
2879	>	for (ExecutionMode m : ExecutionMode.values())
2880	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2881	>	for (Integer v1 : new Integer[] { 1, null })
2882	>	{
2883	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2884	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2885	>	final Noop[] rs = new Noop[6];
2886	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2887	>
2888	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2889	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2890	>	checkIncomplete(h0);
2891	>	checkIncomplete(h1);
2892	>	rs[0].assertNotInvoked();
2893	>	rs[1].assertNotInvoked();
2894	>	f.cancel(mayInterruptIfRunning);
2895	>	checkCompletedWithWrappedCancellationException(h0);
2896	>	checkCompletedWithWrappedCancellationException(h1);
2897	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2898	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2899	>	checkCompletedWithWrappedCancellationException(h2);
2900	>	checkCompletedWithWrappedCancellationException(h3);
2901	>
2902	>	assertTrue(g.complete(v1));
2903	>
2904	>	// unspecified behavior - both source completions available
2905	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2906	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2907	>	try {
2908	>	assertNull(h4.join());
2909	>	rs[4].assertInvoked();
2910	>	} catch (CompletionException ok) {
2911	>	checkCompletedWithWrappedCancellationException(h4);
2912	>	rs[4].assertNotInvoked();
2913	>	}
2914	>	try {
2915	>	assertNull(h5.join());
2916	>	rs[5].assertInvoked();
2917	>	} catch (CompletionException ok) {
2918	>	checkCompletedWithWrappedCancellationException(h5);
2919	>	rs[5].assertNotInvoked();
2920	>	}
2921
2922	<	/**
2923	<	* thenApplyAsync result completes normally after normal completion of source
2924	<	*/
2925	<	public void testThenApplyAsync() {
2926	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2927	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2928	<	f.complete(one);
2929	<	checkCompletedNormally(g, two);
1386	<	}
2922	>	checkCancelled(f);
2923	>	checkCompletedNormally(g, v1);
2924	>	checkCompletedWithWrappedCancellationException(h0);
2925	>	checkCompletedWithWrappedCancellationException(h1);
2926	>	checkCompletedWithWrappedCancellationException(h2);
2927	>	checkCompletedWithWrappedCancellationException(h3);
2928	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2929	>	}}
2930
2931		/**
2932	<	* thenApplyAsync result completes exceptionally after exceptional
1390	<	* completion of source
2932	>	* runAfterEither result completes exceptionally if action does
2933		*/
2934	<	public void testThenApplyAsync2() {
2935	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2936	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2937	<	f.completeExceptionally(new CFException());
2938	<	checkCompletedWithWrappedCFException(g);
2939	<	}
2934	>	public void testRunAfterEither_actionFailed() {
2935	>	for (ExecutionMode m : ExecutionMode.values())
2936	>	for (Integer v1 : new Integer[] { 1, null })
2937	>	for (Integer v2 : new Integer[] { 2, null })
2938	>	{
2939	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2940	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2941	>	final FailingRunnable[] rs = new FailingRunnable[6];
2942	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2943	>
2944	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2945	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2946	>	assertTrue(f.complete(v1));
2947	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2948	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2949	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2950	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2951	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2952	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2953	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2954	>	assertTrue(g.complete(v2));
2955	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2956	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2957	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2958	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2959	>
2960	>	checkCompletedNormally(f, v1);
2961	>	checkCompletedNormally(g, v2);
2962	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2963	>	}}
2964
2965		/**
2966	<	* thenApplyAsync result completes exceptionally if action does
1401	<	*/
1402	<	public void testThenApplyAsync3() {
1403	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1404	<	FailingFunction r = new FailingFunction();
1405	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1406	<	f.complete(null);
1407	<	checkCompletedWithWrappedCFException(g);
1408	<	}
1409	<
1410	<	/**
1411	<	* thenApplyAsync result completes exceptionally if source cancelled
2966	>	* thenCompose result completes normally after normal completion of source
2967		*/
2968	<	public void testThenApplyAsync4() {
2969	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2970	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2971	<	assertTrue(f.cancel(true));
2972	<	checkCompletedWithWrappedCancellationException(g);
2973	<	}
2968	>	public void testThenCompose_normalCompletion() {
2969	>	for (ExecutionMode m : ExecutionMode.values())
2970	>	for (boolean createIncomplete : new boolean[] { true, false })
2971	>	for (Integer v1 : new Integer[] { 1, null })
2972	>	{
2973	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2974	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2975	>	if (!createIncomplete) assertTrue(f.complete(v1));
2976	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2977	>	if (createIncomplete) assertTrue(f.complete(v1));
2978	>
2979	>	checkCompletedNormally(g, inc(v1));
2980	>	checkCompletedNormally(f, v1);
2981	>	r.assertValue(v1);
2982	>	}}
2983
2984		/**
2985	<	* thenAcceptAsync result completes normally after normal
2985	>	* thenCompose result completes exceptionally after exceptional
2986		* completion of source
2987		*/
2988	<	public void testThenAcceptAsync() {
2989	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2990	<	IncAction r = new IncAction();
2991	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2992	<	f.complete(one);
2993	<	checkCompletedNormally(g, null);
2994	<	assertEquals(r.value, 2);
2995	<	}
2988	>	public void testThenCompose_exceptionalCompletion() {
2989	>	for (ExecutionMode m : ExecutionMode.values())
2990	>	for (boolean createIncomplete : new boolean[] { true, false })
2991	>	{
2992	>	final CFException ex = new CFException();
2993	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2994	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2995	>	if (!createIncomplete) f.completeExceptionally(ex);
2996	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2997	>	if (createIncomplete) f.completeExceptionally(ex);
2998	>
2999	>	checkCompletedWithWrappedException(g, ex);
3000	>	checkCompletedExceptionally(f, ex);
3001	>	r.assertNotInvoked();
3002	>	}}
3003
3004		/**
3005	<	* thenAcceptAsync result completes exceptionally after exceptional
1435	<	* completion of source
3005	>	* thenCompose result completes exceptionally if action does
3006		*/
3007	<	public void testThenAcceptAsync2() {
3008	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3009	<	IncAction r = new IncAction();
3010	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3011	<	f.completeExceptionally(new CFException());
3012	<	checkCompletedWithWrappedCFException(g);
3013	<	}
3007	>	public void testThenCompose_actionFailed() {
3008	>	for (ExecutionMode m : ExecutionMode.values())
3009	>	for (boolean createIncomplete : new boolean[] { true, false })
3010	>	for (Integer v1 : new Integer[] { 1, null })
3011	>	{
3012	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3013	>	final FailingCompletableFutureFunction r
3014	>	= new FailingCompletableFutureFunction(m);
3015	>	if (!createIncomplete) assertTrue(f.complete(v1));
3016	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3017	>	if (createIncomplete) assertTrue(f.complete(v1));
3018	>
3019	>	checkCompletedWithWrappedException(g, r.ex);
3020	>	checkCompletedNormally(f, v1);
3021	>	}}
3022
3023		/**
3024	<	* thenAcceptAsync result completes exceptionally if action does
3024	>	* thenCompose result completes exceptionally if source cancelled
3025		*/
3026	<	public void testThenAcceptAsync3() {
3027	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3028	<	FailingConsumer r = new FailingConsumer();
3029	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3030	<	f.complete(null);
3031	<	checkCompletedWithWrappedCFException(g);
3032	<	}
3026	>	public void testThenCompose_sourceCancelled() {
3027	>	for (ExecutionMode m : ExecutionMode.values())
3028	>	for (boolean createIncomplete : new boolean[] { true, false })
3029	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3030	>	{
3031	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3032	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3033	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3034	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3035	>	if (createIncomplete) {
3036	>	checkIncomplete(g);
3037	>	assertTrue(f.cancel(mayInterruptIfRunning));
3038	>	}
3039
1456	–	/**
1457	–	* thenAcceptAsync result completes exceptionally if source cancelled
1458	–	*/
1459	–	public void testThenAcceptAsync4() {
1460	–	CompletableFuture<Integer> f = new CompletableFuture<>();
1461	–	IncAction r = new IncAction();
1462	–	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1463	–	assertTrue(f.cancel(true));
3040		checkCompletedWithWrappedCancellationException(g);
3041	<	}
3042	<
1467	<	/**
1468	<	* thenCombineAsync result completes normally after normal
1469	<	* completion of sources
1470	<	*/
1471	<	public void testThenCombineAsync() {
1472	<	CompletableFuture<Integer> f, g, h;
1473	<
1474	<	f = new CompletableFuture<>();
1475	<	g = new CompletableFuture<>();
1476	<	h = f.thenCombineAsync(g, subtract);
1477	<	f.complete(3);
1478	<	checkIncomplete(h);
1479	<	g.complete(1);
1480	<	checkCompletedNormally(h, 2);
1481	<
1482	<	f = new CompletableFuture<>();
1483	<	g = new CompletableFuture<>();
1484	<	h = f.thenCombineAsync(g, subtract);
1485	<	g.complete(1);
1486	<	checkIncomplete(h);
1487	<	f.complete(3);
1488	<	checkCompletedNormally(h, 2);
1489	<
1490	<	f = new CompletableFuture<>();
1491	<	g = new CompletableFuture<>();
1492	<	g.complete(1);
1493	<	f.complete(3);
1494	<	h = f.thenCombineAsync(g, subtract);
1495	<	checkCompletedNormally(h, 2);
1496	<	}
1497	<
1498	<	/**
1499	<	* thenCombineAsync result completes exceptionally after exceptional
1500	<	* completion of either source
1501	<	*/
1502	<	public void testThenCombineAsync2() {
1503	<	CompletableFuture<Integer> f, g, h;
1504	<
1505	<	f = new CompletableFuture<>();
1506	<	g = new CompletableFuture<>();
1507	<	h = f.thenCombineAsync(g, subtract);
1508	<	f.completeExceptionally(new CFException());
1509	<	checkIncomplete(h);
1510	<	g.complete(1);
1511	<	checkCompletedWithWrappedCFException(h);
1512	<
1513	<	f = new CompletableFuture<>();
1514	<	g = new CompletableFuture<>();
1515	<	h = f.thenCombineAsync(g, subtract);
1516	<	g.completeExceptionally(new CFException());
1517	<	checkIncomplete(h);
1518	<	f.complete(3);
1519	<	checkCompletedWithWrappedCFException(h);
1520	<
1521	<	f = new CompletableFuture<>();
1522	<	g = new CompletableFuture<>();
1523	<	g.completeExceptionally(new CFException());
1524	<	f.complete(3);
1525	<	h = f.thenCombineAsync(g, subtract);
1526	<	checkCompletedWithWrappedCFException(h);
1527	<	}
1528	<
1529	<	/**
1530	<	* thenCombineAsync result completes exceptionally if action does
1531	<	*/
1532	<	public void testThenCombineAsync3() {
1533	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1534	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1535	<	FailingBiFunction r = new FailingBiFunction();
1536	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1537	<	f.complete(one);
1538	<	checkIncomplete(g);
1539	<	assertFalse(r.ran);
1540	<	f2.complete(two);
1541	<	checkCompletedWithWrappedCFException(g);
1542	<	assertTrue(r.ran);
1543	<	}
1544	<
1545	<	/**
1546	<	* thenCombineAsync result completes exceptionally if either source cancelled
1547	<	*/
1548	<	public void testThenCombineAsync4() {
1549	<	CompletableFuture<Integer> f, g, h;
1550	<
1551	<	f = new CompletableFuture<>();
1552	<	g = new CompletableFuture<>();
1553	<	h = f.thenCombineAsync(g, subtract);
1554	<	assertTrue(f.cancel(true));
1555	<	checkIncomplete(h);
1556	<	g.complete(1);
1557	<	checkCompletedWithWrappedCancellationException(h);
1558	<
1559	<	f = new CompletableFuture<>();
1560	<	g = new CompletableFuture<>();
1561	<	h = f.thenCombineAsync(g, subtract);
1562	<	assertTrue(g.cancel(true));
1563	<	checkIncomplete(h);
1564	<	f.complete(3);
1565	<	checkCompletedWithWrappedCancellationException(h);
1566	<
1567	<	f = new CompletableFuture<>();
1568	<	g = new CompletableFuture<>();
1569	<	g.complete(3);
1570	<	assertTrue(f.cancel(true));
1571	<	h = f.thenCombineAsync(g, subtract);
1572	<	checkCompletedWithWrappedCancellationException(h);
1573	<
1574	<	f = new CompletableFuture<>();
1575	<	g = new CompletableFuture<>();
1576	<	f.complete(3);
1577	<	assertTrue(g.cancel(true));
1578	<	h = f.thenCombineAsync(g, subtract);
1579	<	checkCompletedWithWrappedCancellationException(h);
1580	<	}
3041	>	checkCancelled(f);
3042	>	}}
3043
3044		/**
3045	<	* thenAcceptBothAsync result completes normally after normal
1584	<	* completion of sources
3045	>	* thenCompose result completes exceptionally if the result of the action does
3046		*/
3047	<	public void testThenAcceptBothAsync() {
3048	<	CompletableFuture<Integer> f, g;
3049	<	CompletableFuture<Void> h;
3050	<	SubtractAction r;
3051	<
3052	<	f = new CompletableFuture<>();
3053	<	g = new CompletableFuture<>();
3054	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
3055	<	f.complete(3);
3056	<	checkIncomplete(h);
3057	<	g.complete(1);
3058	<	checkCompletedNormally(h, null);
3059	<	assertEquals(r.value, 2);
3047	>	public void testThenCompose_actionReturnsFailingFuture() {
3048	>	for (ExecutionMode m : ExecutionMode.values())
3049	>	for (int order = 0; order < 6; order++)
3050	>	for (Integer v1 : new Integer[] { 1, null })
3051	>	{
3052	>	final CFException ex = new CFException();
3053	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3054	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3055	>	final CompletableFuture<Integer> h;
3056	>	// Test all permutations of orders
3057	>	switch (order) {
3058	>	case 0:
3059	>	assertTrue(f.complete(v1));
3060	>	assertTrue(g.completeExceptionally(ex));
3061	>	h = m.thenCompose(f, (x -> g));
3062	>	break;
3063	>	case 1:
3064	>	assertTrue(f.complete(v1));
3065	>	h = m.thenCompose(f, (x -> g));
3066	>	assertTrue(g.completeExceptionally(ex));
3067	>	break;
3068	>	case 2:
3069	>	assertTrue(g.completeExceptionally(ex));
3070	>	assertTrue(f.complete(v1));
3071	>	h = m.thenCompose(f, (x -> g));
3072	>	break;
3073	>	case 3:
3074	>	assertTrue(g.completeExceptionally(ex));
3075	>	h = m.thenCompose(f, (x -> g));
3076	>	assertTrue(f.complete(v1));
3077	>	break;
3078	>	case 4:
3079	>	h = m.thenCompose(f, (x -> g));
3080	>	assertTrue(f.complete(v1));
3081	>	assertTrue(g.completeExceptionally(ex));
3082	>	break;
3083	>	case 5:
3084	>	h = m.thenCompose(f, (x -> g));
3085	>	assertTrue(f.complete(v1));
3086	>	assertTrue(g.completeExceptionally(ex));
3087	>	break;
3088	>	default: throw new AssertionError();
3089	>	}
3090
3091	<	f = new CompletableFuture<>();
3092	<	g = new CompletableFuture<>();
3093	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
3094	<	g.complete(1);
1604	<	checkIncomplete(h);
1605	<	f.complete(3);
1606	<	checkCompletedNormally(h, null);
1607	<	assertEquals(r.value, 2);
3091	>	checkCompletedExceptionally(g, ex);
3092	>	checkCompletedWithWrappedException(h, ex);
3093	>	checkCompletedNormally(f, v1);
3094	>	}}
3095
3096	<	f = new CompletableFuture<>();
1610	<	g = new CompletableFuture<>();
1611	<	g.complete(1);
1612	<	f.complete(3);
1613	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1614	<	checkCompletedNormally(h, null);
1615	<	assertEquals(r.value, 2);
1616	<	}
3096	>	// other static methods
3097
3098		/**
3099	<	* thenAcceptBothAsync result completes exceptionally after exceptional
3100	<	* completion of source
3099	>	* allOf(no component futures) returns a future completed normally
3100	>	* with the value null
3101		*/
3102	<	public void testThenAcceptBothAsync2() {
3103	<	CompletableFuture<Integer> f, g;
3104	<	CompletableFuture<Void> h;
1625	<	SubtractAction r;
1626	<
1627	<	f = new CompletableFuture<>();
1628	<	g = new CompletableFuture<>();
1629	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1630	<	f.completeExceptionally(new CFException());
1631	<	checkIncomplete(h);
1632	<	g.complete(1);
1633	<	checkCompletedWithWrappedCFException(h);
1634	<
1635	<	f = new CompletableFuture<>();
1636	<	g = new CompletableFuture<>();
1637	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1638	<	g.completeExceptionally(new CFException());
1639	<	checkIncomplete(h);
1640	<	f.complete(3);
1641	<	checkCompletedWithWrappedCFException(h);
1642	<
1643	<	f = new CompletableFuture<>();
1644	<	g = new CompletableFuture<>();
1645	<	f.complete(3);
1646	<	g.completeExceptionally(new CFException());
1647	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1648	<	checkCompletedWithWrappedCFException(h);
1649	<
1650	<	f = new CompletableFuture<>();
1651	<	g = new CompletableFuture<>();
1652	<	f.completeExceptionally(new CFException());
1653	<	g.complete(3);
1654	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1655	<	checkCompletedWithWrappedCFException(h);
3102	>	public void testAllOf_empty() throws Exception {
3103	>	CompletableFuture<Void> f = CompletableFuture.allOf();
3104	>	checkCompletedNormally(f, null);
3105		}
3106
3107		/**
3108	<	* thenAcceptBothAsync result completes exceptionally if action does
3108	>	* allOf returns a future completed normally with the value null
3109	>	* when all components complete normally
3110		*/
3111	<	public void testThenAcceptBothAsync3() {
3112	<	CompletableFuture<Integer> f, g;
3113	<	CompletableFuture<Void> h;
3114	<	FailingBiConsumer r;
3115	<
3116	<	f = new CompletableFuture<>();
3117	<	g = new CompletableFuture<>();
3118	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
3119	<	f.complete(3);
3120	<	checkIncomplete(h);
3121	<	g.complete(1);
3122	<	checkCompletedWithWrappedCFException(h);
3123	<
3124	<	f = new CompletableFuture<>();
3125	<	g = new CompletableFuture<>();
1676	<	f.complete(3);
1677	<	g.complete(1);
1678	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1679	<	checkCompletedWithWrappedCFException(h);
3111	>	public void testAllOf_normal() throws Exception {
3112	>	for (int k = 1; k < 10; k++) {
3113	>	CompletableFuture<Integer>[] fs
3114	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3115	>	for (int i = 0; i < k; i++)
3116	>	fs[i] = new CompletableFuture<>();
3117	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3118	>	for (int i = 0; i < k; i++) {
3119	>	checkIncomplete(f);
3120	>	checkIncomplete(CompletableFuture.allOf(fs));
3121	>	fs[i].complete(one);
3122	>	}
3123	>	checkCompletedNormally(f, null);
3124	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3125	>	}
3126		}
3127
3128	<	/**
3129	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
3130	<	*/
3131	<	public void testThenAcceptBothAsync4() {
3132	<	CompletableFuture<Integer> f, g;
3133	<	CompletableFuture<Void> h;
3134	<	SubtractAction r;
3135	<
3136	<	f = new CompletableFuture<>();
3137	<	g = new CompletableFuture<>();
3138	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
3139	<	assertTrue(f.cancel(true));
3140	<	checkIncomplete(h);
3141	<	g.complete(1);
3142	<	checkCompletedWithWrappedCancellationException(h);
1697	<
1698	<	f = new CompletableFuture<>();
1699	<	g = new CompletableFuture<>();
1700	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1701	<	assertTrue(g.cancel(true));
1702	<	checkIncomplete(h);
1703	<	f.complete(3);
1704	<	checkCompletedWithWrappedCancellationException(h);
1705	<
1706	<	f = new CompletableFuture<>();
1707	<	g = new CompletableFuture<>();
1708	<	f.complete(3);
1709	<	assertTrue(g.cancel(true));
1710	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1711	<	checkCompletedWithWrappedCancellationException(h);
1712	<
1713	<	f = new CompletableFuture<>();
1714	<	g = new CompletableFuture<>();
1715	<	assertTrue(f.cancel(true));
1716	<	g.complete(3);
1717	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1718	<	checkCompletedWithWrappedCancellationException(h);
3128	>	public void testAllOf_normal_backwards() throws Exception {
3129	>	for (int k = 1; k < 10; k++) {
3130	>	CompletableFuture<Integer>[] fs
3131	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3132	>	for (int i = 0; i < k; i++)
3133	>	fs[i] = new CompletableFuture<>();
3134	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3135	>	for (int i = k - 1; i >= 0; i--) {
3136	>	checkIncomplete(f);
3137	>	checkIncomplete(CompletableFuture.allOf(fs));
3138	>	fs[i].complete(one);
3139	>	}
3140	>	checkCompletedNormally(f, null);
3141	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3142	>	}
3143		}
3144
3145	<	/**
3146	<	* runAfterBothAsync result completes normally after normal
3147	<	* completion of sources
3148	<	*/
3149	<	public void testRunAfterBothAsync() {
3150	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3151	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3152	<	Noop r = new Noop();
3153	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
3154	<	f.complete(one);
3155	<	checkIncomplete(g);
3156	<	f2.complete(two);
3157	<	checkCompletedNormally(g, null);
3158	<	assertTrue(r.ran);
3145	>	public void testAllOf_exceptional() throws Exception {
3146	>	for (int k = 1; k < 10; k++) {
3147	>	CompletableFuture<Integer>[] fs
3148	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3149	>	CFException ex = new CFException();
3150	>	for (int i = 0; i < k; i++)
3151	>	fs[i] = new CompletableFuture<>();
3152	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3153	>	for (int i = 0; i < k; i++) {
3154	>	checkIncomplete(f);
3155	>	checkIncomplete(CompletableFuture.allOf(fs));
3156	>	if (i != k / 2) {
3157	>	fs[i].complete(i);
3158	>	checkCompletedNormally(fs[i], i);
3159	>	} else {
3160	>	fs[i].completeExceptionally(ex);
3161	>	checkCompletedExceptionally(fs[i], ex);
3162	>	}
3163	>	}
3164	>	checkCompletedWithWrappedException(f, ex);
3165	>	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3166	>	}
3167		}
3168
3169		/**
3170	<	* runAfterBothAsync result completes exceptionally after exceptional
1739	<	* completion of source
3170	>	* anyOf(no component futures) returns an incomplete future
3171		*/
3172	<	public void testRunAfterBothAsync2() {
3173	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3174	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3175	<	Noop r = new Noop();
3176	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1746	<	f.completeExceptionally(new CFException());
1747	<	f2.complete(two);
1748	<	checkCompletedWithWrappedCFException(g);
3172	>	public void testAnyOf_empty() throws Exception {
3173	>	for (Integer v1 : new Integer[] { 1, null })
3174	>	{
3175	>	CompletableFuture<Object> f = CompletableFuture.anyOf();
3176	>	checkIncomplete(f);
3177
3178	<	r = new Noop();
3179	<	f = new CompletableFuture<>();
3180	<	f2 = new CompletableFuture<>();
1753	<	g = f.runAfterBothAsync(f2, r);
1754	<	f.complete(one);
1755	<	f2.completeExceptionally(new CFException());
1756	<	checkCompletedWithWrappedCFException(g);
1757	<	}
3178	>	f.complete(v1);
3179	>	checkCompletedNormally(f, v1);
3180	>	}}
3181
3182		/**
3183	<	* runAfterBothAsync result completes exceptionally if action does
3183	>	* anyOf returns a future completed normally with a value when
3184	>	* a component future does
3185		*/
3186	<	public void testRunAfterBothAsync3() {
3187	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3188	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3189	<	FailingNoop r = new FailingNoop();
3190	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
3191	<	f.complete(one);
3192	<	checkIncomplete(g);
3193	<	f2.complete(two);
3194	<	checkCompletedWithWrappedCFException(g);
3186	>	public void testAnyOf_normal() throws Exception {
3187	>	for (int k = 0; k < 10; k++) {
3188	>	CompletableFuture[] fs = new CompletableFuture[k];
3189	>	for (int i = 0; i < k; i++)
3190	>	fs[i] = new CompletableFuture<>();
3191	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3192	>	checkIncomplete(f);
3193	>	for (int i = 0; i < k; i++) {
3194	>	fs[i].complete(i);
3195	>	checkCompletedNormally(f, 0);
3196	>	int x = (int) CompletableFuture.anyOf(fs).join();
3197	>	assertTrue(0 <= x && x <= i);
3198	>	}
3199	>	}
3200		}
3201	<
3202	<	/**
3203	<	* runAfterBothAsync result completes exceptionally if either source cancelled
3204	<	*/
3205	<	public void testRunAfterBothAsync4() {
3206	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3207	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3208	<	Noop r = new Noop();
3209	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
3210	<	assertTrue(f.cancel(true));
3211	<	f2.complete(two);
3212	<	checkCompletedWithWrappedCancellationException(g);
3213	<
3214	<	r = new Noop();
1786	<	f = new CompletableFuture<>();
1787	<	f2 = new CompletableFuture<>();
1788	<	g = f.runAfterBothAsync(f2, r);
1789	<	f.complete(one);
1790	<	assertTrue(f2.cancel(true));
1791	<	checkCompletedWithWrappedCancellationException(g);
3201	>	public void testAnyOf_normal_backwards() throws Exception {
3202	>	for (int k = 0; k < 10; k++) {
3203	>	CompletableFuture[] fs = new CompletableFuture[k];
3204	>	for (int i = 0; i < k; i++)
3205	>	fs[i] = new CompletableFuture<>();
3206	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3207	>	checkIncomplete(f);
3208	>	for (int i = k - 1; i >= 0; i--) {
3209	>	fs[i].complete(i);
3210	>	checkCompletedNormally(f, k - 1);
3211	>	int x = (int) CompletableFuture.anyOf(fs).join();
3212	>	assertTrue(i <= x && x <= k - 1);
3213	>	}
3214	>	}
3215		}
3216
3217		/**
3218	<	* applyToEitherAsync result completes normally after normal
1796	<	* completion of sources
3218	>	* anyOf result completes exceptionally when any component does.
3219		*/
3220	<	public void testApplyToEitherAsync() {
3221	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3222	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3223	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
3224	<	f.complete(one);
3225	<	checkCompletedNormally(g, two);
3226	<
3227	<	f = new CompletableFuture<>();
3228	<	f.complete(one);
3229	<	f2 = new CompletableFuture<>();
3230	<	g = f.applyToEitherAsync(f2, inc);
3231	<	checkCompletedNormally(g, two);
3220	>	public void testAnyOf_exceptional() 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 = 0; i < k; i++) {
3231	>	fs[i].completeExceptionally(exs[i]);
3232	>	checkCompletedWithWrappedException(f, exs[0]);
3233	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3234	>	}
3235	>	}
3236		}
3237
3238	<	/**
3239	<	* applyToEitherAsync result completes exceptionally after exceptional
3240	<	* completion of source
3241	<	*/
3242	<	public void testApplyToEitherAsync2() {
3243	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3244	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3245	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
3246	<	f.completeExceptionally(new CFException());
3247	<	checkCompletedWithWrappedCFException(g);
3248	<
3249	<	f = new CompletableFuture<>();
3250	<	f2 = new CompletableFuture<>();
3251	<	f2.completeExceptionally(new CFException());
3252	<	g = f.applyToEitherAsync(f2, inc);
3253	<	f.complete(one);
1828	<	checkCompletedWithWrappedCFException(g);
3238	>	public void testAnyOf_exceptional_backwards() throws Exception {
3239	>	for (int k = 0; k < 10; k++) {
3240	>	CompletableFuture[] fs = new CompletableFuture[k];
3241	>	CFException[] exs = new CFException[k];
3242	>	for (int i = 0; i < k; i++) {
3243	>	fs[i] = new CompletableFuture<>();
3244	>	exs[i] = new CFException();
3245	>	}
3246	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3247	>	checkIncomplete(f);
3248	>	for (int i = k - 1; i >= 0; i--) {
3249	>	fs[i].completeExceptionally(exs[i]);
3250	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3251	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3252	>	}
3253	>	}
3254		}
3255
3256		/**
3257	<	* applyToEitherAsync result completes exceptionally if action does
3257	>	* Completion methods throw NullPointerException with null arguments
3258		*/
3259	<	public void testApplyToEitherAsync3() {
3259	>	@SuppressWarnings("FutureReturnValueIgnored")
3260	>	public void testNPE() {
3261		CompletableFuture<Integer> f = new CompletableFuture<>();
3262	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3263	<	FailingFunction r = new FailingFunction();
3264	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1839	<	f.complete(one);
1840	<	checkCompletedWithWrappedCFException(g);
1841	<	}
3262	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3263	>	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3264	>	ThreadExecutor exec = new ThreadExecutor();
3265
3266	<	/**
3267	<	* applyToEitherAsync result completes exceptionally if either source cancelled
3268	<	*/
3269	<	public void testApplyToEitherAsync4() {
3270	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3271	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3272	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
3273	<	assertTrue(f.cancel(true));
3274	<	checkCompletedWithWrappedCancellationException(g);
3266	>	Runnable[] throwingActions = {
3267	>	() -> CompletableFuture.supplyAsync(null),
3268	>	() -> CompletableFuture.supplyAsync(null, exec),
3269	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3270	>
3271	>	() -> CompletableFuture.runAsync(null),
3272	>	() -> CompletableFuture.runAsync(null, exec),
3273	>	() -> CompletableFuture.runAsync(() -> {}, null),
3274	>
3275	>	() -> f.completeExceptionally(null),
3276	>
3277	>	() -> f.thenApply(null),
3278	>	() -> f.thenApplyAsync(null),
3279	>	() -> f.thenApplyAsync(x -> x, null),
3280	>	() -> f.thenApplyAsync(null, exec),
3281	>
3282	>	() -> f.thenAccept(null),
3283	>	() -> f.thenAcceptAsync(null),
3284	>	() -> f.thenAcceptAsync(x -> {} , null),
3285	>	() -> f.thenAcceptAsync(null, exec),
3286	>
3287	>	() -> f.thenRun(null),
3288	>	() -> f.thenRunAsync(null),
3289	>	() -> f.thenRunAsync(() -> {} , null),
3290	>	() -> f.thenRunAsync(null, exec),
3291	>
3292	>	() -> f.thenCombine(g, null),
3293	>	() -> f.thenCombineAsync(g, null),
3294	>	() -> f.thenCombineAsync(g, null, exec),
3295	>	() -> f.thenCombine(nullFuture, (x, y) -> x),
3296	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3297	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3298	>	() -> f.thenCombineAsync(g, (x, y) -> x, null),
3299	>
3300	>	() -> f.thenAcceptBoth(g, null),
3301	>	() -> f.thenAcceptBothAsync(g, null),
3302	>	() -> f.thenAcceptBothAsync(g, null, exec),
3303	>	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3304	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3305	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3306	>	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3307	>
3308	>	() -> f.runAfterBoth(g, null),
3309	>	() -> f.runAfterBothAsync(g, null),
3310	>	() -> f.runAfterBothAsync(g, null, exec),
3311	>	() -> f.runAfterBoth(nullFuture, () -> {}),
3312	>	() -> f.runAfterBothAsync(nullFuture, () -> {}),
3313	>	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3314	>	() -> f.runAfterBothAsync(g, () -> {}, null),
3315	>
3316	>	() -> f.applyToEither(g, null),
3317	>	() -> f.applyToEitherAsync(g, null),
3318	>	() -> f.applyToEitherAsync(g, null, exec),
3319	>	() -> f.applyToEither(nullFuture, x -> x),
3320	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3321	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3322	>	() -> f.applyToEitherAsync(g, x -> x, null),
3323	>
3324	>	() -> f.acceptEither(g, null),
3325	>	() -> f.acceptEitherAsync(g, null),
3326	>	() -> f.acceptEitherAsync(g, null, exec),
3327	>	() -> f.acceptEither(nullFuture, x -> {}),
3328	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3329	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3330	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3331	>
3332	>	() -> f.runAfterEither(g, null),
3333	>	() -> f.runAfterEitherAsync(g, null),
3334	>	() -> f.runAfterEitherAsync(g, null, exec),
3335	>	() -> f.runAfterEither(nullFuture, () -> {}),
3336	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
3337	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3338	>	() -> f.runAfterEitherAsync(g, () -> {}, null),
3339	>
3340	>	() -> f.thenCompose(null),
3341	>	() -> f.thenComposeAsync(null),
3342	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3343	>	() -> f.thenComposeAsync(null, exec),
3344	>
3345	>	() -> f.exceptionally(null),
3346	>
3347	>	() -> f.handle(null),
3348	>
3349	>	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
3350	>	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3351	>	() -> CompletableFuture.allOf(f, null),
3352	>	() -> CompletableFuture.allOf(null, f),
3353	>
3354	>	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3355	>	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3356	>	() -> CompletableFuture.anyOf(f, null),
3357	>	() -> CompletableFuture.anyOf(null, f),
3358	>
3359	>	() -> f.obtrudeException(null),
3360	>
3361	>	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3362	>	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3363	>	() -> CompletableFuture.delayedExecutor(1L, null),
3364
3365	<	f = new CompletableFuture<>();
3366	<	f2 = new CompletableFuture<>();
1855	<	assertTrue(f2.cancel(true));
1856	<	g = f.applyToEitherAsync(f2, inc);
1857	<	checkCompletedWithWrappedCancellationException(g);
1858	<	}
3365	>	() -> f.orTimeout(1L, null),
3366	>	() -> f.completeOnTimeout(42, 1L, null),
3367
3368	<	/**
3369	<	* acceptEitherAsync result completes normally after normal
3370	<	* completion of sources
1863	<	*/
1864	<	public void testAcceptEitherAsync() {
1865	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1866	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1867	<	IncAction r = new IncAction();
1868	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1869	<	f.complete(one);
1870	<	checkCompletedNormally(g, null);
1871	<	assertEquals(r.value, 2);
3368	>	() -> CompletableFuture.failedFuture(null),
3369	>	() -> CompletableFuture.failedStage(null),
3370	>	};
3371
3372	<	r = new IncAction();
3373	<	f = new CompletableFuture<>();
1875	<	f.complete(one);
1876	<	f2 = new CompletableFuture<>();
1877	<	g = f.acceptEitherAsync(f2, r);
1878	<	checkCompletedNormally(g, null);
1879	<	assertEquals(r.value, 2);
3372	>	assertThrows(NullPointerException.class, throwingActions);
3373	>	assertEquals(0, exec.count.get());
3374		}
3375
3376		/**
3377	<	* acceptEitherAsync result completes exceptionally after exceptional
1884	<	* completion of source
3377	>	* Test submissions to an executor that rejects all tasks.
3378		*/
3379	<	public void testAcceptEitherAsync2() {
3380	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3381	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3382	<	IncAction r = new IncAction();
3383	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
3384	<	f.completeExceptionally(new CFException());
3385	<	checkCompletedWithWrappedCFException(g);
3379	>	public void testRejectingExecutor() {
3380	>	for (Integer v : new Integer[] { 1, null })
3381	>	{
3382	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3383	>
3384	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3385	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3386	>
3387	>	List<CompletableFuture<?>> futures = new ArrayList<>();
3388	>
3389	>	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3390	>	srcs.add(complete);
3391	>	srcs.add(incomplete);
3392	>
3393	>	for (CompletableFuture<Integer> src : srcs) {
3394	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3395	>	fs.add(src.thenRunAsync(() -> {}, e));
3396	>	fs.add(src.thenAcceptAsync(z -> {}, e));
3397	>	fs.add(src.thenApplyAsync(z -> z, e));
3398	>
3399	>	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3400	>	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3401	>	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3402	>
3403	>	fs.add(src.applyToEitherAsync(src, z -> z, e));
3404	>	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3405	>	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3406	>
3407	>	fs.add(src.thenComposeAsync(z -> null, e));
3408	>	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3409	>	fs.add(src.handleAsync((z, t) -> null, e));
3410	>
3411	>	for (CompletableFuture<?> future : fs) {
3412	>	if (src.isDone())
3413	>	checkCompletedWithWrappedException(future, e.ex);
3414	>	else
3415	>	checkIncomplete(future);
3416	>	}
3417	>	futures.addAll(fs);
3418	>	}
3419
3420	<	r = new IncAction();
3421	<	f = new CompletableFuture<>();
1896	<	f2 = new CompletableFuture<>();
1897	<	f2.completeExceptionally(new CFException());
1898	<	g = f.acceptEitherAsync(f2, r);
1899	<	f.complete(one);
1900	<	checkCompletedWithWrappedCFException(g);
1901	<	}
3420	>	{
3421	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3422
3423	<	/**
3424	<	* acceptEitherAsync result completes exceptionally if action does
1905	<	*/
1906	<	public void testAcceptEitherAsync3() {
1907	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1908	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1909	<	FailingConsumer r = new FailingConsumer();
1910	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1911	<	f.complete(one);
1912	<	checkCompletedWithWrappedCFException(g);
1913	<	}
3423	>	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3424	>	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3425
3426	<	/**
3427	<	* acceptEitherAsync result completes exceptionally if either
1917	<	* source cancelled
1918	<	*/
1919	<	public void testAcceptEitherAsync4() {
1920	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1921	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1922	<	IncAction r = new IncAction();
1923	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1924	<	assertTrue(f.cancel(true));
1925	<	checkCompletedWithWrappedCancellationException(g);
3426	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3427	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3428
3429	<	r = new IncAction();
3430	<	f = new CompletableFuture<>();
1929	<	f2 = new CompletableFuture<>();
1930	<	assertTrue(f2.cancel(true));
1931	<	g = f.acceptEitherAsync(f2, r);
1932	<	checkCompletedWithWrappedCancellationException(g);
1933	<	}
3429	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3430	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3431
3432	<	/**
3433	<	* runAfterEitherAsync result completes normally after normal
3434	<	* completion of sources
3435	<	*/
1939	<	public void testRunAfterEitherAsync() {
1940	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1941	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1942	<	Noop r = new Noop();
1943	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1944	<	f.complete(one);
1945	<	checkCompletedNormally(g, null);
1946	<	assertTrue(r.ran);
3432	>	for (CompletableFuture<?> future : fs)
3433	>	checkIncomplete(future);
3434	>	futures.addAll(fs);
3435	>	}
3436
3437	<	r = new Noop();
3438	<	f = new CompletableFuture<>();
1950	<	f.complete(one);
1951	<	f2 = new CompletableFuture<>();
1952	<	g = f.runAfterEitherAsync(f2, r);
1953	<	checkCompletedNormally(g, null);
1954	<	assertTrue(r.ran);
1955	<	}
3437	>	{
3438	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3439
3440	<	/**
3441	<	* runAfterEitherAsync result completes exceptionally after exceptional
1959	<	* completion of source
1960	<	*/
1961	<	public void testRunAfterEitherAsync2() {
1962	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1963	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1964	<	Noop r = new Noop();
1965	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1966	<	f.completeExceptionally(new CFException());
1967	<	checkCompletedWithWrappedCFException(g);
3440	>	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3441	>	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3442
3443	<	r = new Noop();
3444	<	f = new CompletableFuture<>();
1971	<	f2 = new CompletableFuture<>();
1972	<	f2.completeExceptionally(new CFException());
1973	<	g = f.runAfterEitherAsync(f2, r);
1974	<	f.complete(one);
1975	<	checkCompletedWithWrappedCFException(g);
1976	<	}
3443	>	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3444	>	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3445
3446	<	/**
3447	<	* runAfterEitherAsync result completes exceptionally if action does
1980	<	*/
1981	<	public void testRunAfterEitherAsync3() {
1982	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1983	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1984	<	FailingNoop r = new FailingNoop();
1985	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1986	<	f.complete(one);
1987	<	checkCompletedWithWrappedCFException(g);
1988	<	}
1989	<
1990	<	/**
1991	<	* runAfterEitherAsync result completes exceptionally if either
1992	<	* source cancelled
1993	<	*/
1994	<	public void testRunAfterEitherAsync4() {
1995	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1996	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1997	<	Noop r = new Noop();
1998	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1999	<	assertTrue(f.cancel(true));
2000	<	checkCompletedWithWrappedCancellationException(g);
3446	>	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3447	>	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3448
3449	<	r = new Noop();
3450	<	f = new CompletableFuture<>();
3451	<	f2 = new CompletableFuture<>();
3452	<	assertTrue(f2.cancel(true));
2006	<	g = f.runAfterEitherAsync(f2, r);
2007	<	checkCompletedWithWrappedCancellationException(g);
2008	<	}
3449	>	for (CompletableFuture<?> future : fs)
3450	>	checkCompletedWithWrappedException(future, e.ex);
3451	>	futures.addAll(fs);
3452	>	}
3453
3454	<	/**
2011	<	* thenComposeAsync result completes normally after normal
2012	<	* completion of source
2013	<	*/
2014	<	public void testThenComposeAsync() {
2015	<	CompletableFuture<Integer> f, g;
2016	<	CompletableFutureInc r;
3454	>	incomplete.complete(v);
3455
3456	<	f = new CompletableFuture<>();
3457	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2020	<	f.complete(one);
2021	<	checkCompletedNormally(g, two);
3456	>	for (CompletableFuture<?> future : futures)
3457	>	checkCompletedWithWrappedException(future, e.ex);
3458
3459	<	f = new CompletableFuture<>();
3460	<	f.complete(one);
2025	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2026	<	checkCompletedNormally(g, two);
2027	<	}
3459	>	assertEquals(futures.size(), e.count.get());
3460	>	}}
3461
3462		/**
3463	<	* thenComposeAsync result completes exceptionally after
3464	<	* exceptional completion of source
3463	>	* Test submissions to an executor that rejects all tasks, but
3464	>	* should never be invoked because the dependent future is
3465	>	* explicitly completed.
3466		*/
3467	<	public void testThenComposeAsync2() {
3468	<	CompletableFuture<Integer> f, g;
3469	<	CompletableFutureInc r;
3467	>	public void testRejectingExecutorNeverInvoked() {
3468	>	for (Integer v : new Integer[] { 1, null })
3469	>	{
3470	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3471
3472	<	f = new CompletableFuture<>();
3473	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2039	<	f.completeExceptionally(new CFException());
2040	<	checkCompletedWithWrappedCFException(g);
2041	<	assertFalse(r.ran);
3472	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3473	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3474
3475	<	f = new CompletableFuture<>();
2044	<	f.completeExceptionally(new CFException());
2045	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2046	<	checkCompletedWithWrappedCFException(g);
2047	<	assertFalse(r.ran);
2048	<	}
3475	>	List<CompletableFuture<?>> futures = new ArrayList<>();
3476
3477	<	/**
3478	<	* thenComposeAsync result completes exceptionally if action does
3479	<	*/
2053	<	public void testThenComposeAsync3() {
2054	<	CompletableFuture<Integer> f, g;
2055	<	FailingCompletableFutureFunction r;
3477	>	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3478	>	srcs.add(complete);
3479	>	srcs.add(incomplete);
3480
3481	<	f = new CompletableFuture<>();
3482	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
3483	<	f.complete(one);
3484	<	checkCompletedWithWrappedCFException(g);
3481	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3482	>	fs.add(incomplete.thenRunAsync(() -> {}, e));
3483	>	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3484	>	fs.add(incomplete.thenApplyAsync(z -> z, e));
3485
3486	<	f = new CompletableFuture<>();
3487	<	f.complete(one);
3488	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2065	<	checkCompletedWithWrappedCFException(g);
2066	<	}
3486	>	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3487	>	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3488	>	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3489
3490	<	/**
3491	<	* thenComposeAsync result completes exceptionally if source cancelled
3492	<	*/
2071	<	public void testThenComposeAsync4() {
2072	<	CompletableFuture<Integer> f, g;
2073	<	CompletableFutureInc r;
2074	<
2075	<	f = new CompletableFuture<>();
2076	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2077	<	assertTrue(f.cancel(true));
2078	<	checkCompletedWithWrappedCancellationException(g);
2079	<
2080	<	f = new CompletableFuture<>();
2081	<	assertTrue(f.cancel(true));
2082	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2083	<	checkCompletedWithWrappedCancellationException(g);
2084	<	}
3490	>	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3491	>	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3492	>	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3493
3494	<	// async with explicit executors
3494	>	fs.add(incomplete.thenComposeAsync(z -> null, e));
3495	>	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3496	>	fs.add(incomplete.handleAsync((z, t) -> null, e));
3497
3498	<	/**
3499	<	* thenRunAsync result completes normally after normal completion of source
2090	<	*/
2091	<	public void testThenRunAsyncE() {
2092	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2093	<	Noop r = new Noop();
2094	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2095	<	f.complete(null);
2096	<	checkCompletedNormally(g, null);
3498	>	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3499	>	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3500
3501	<	// reordered version
3502	<	f = new CompletableFuture<>();
2100	<	f.complete(null);
2101	<	r = new Noop();
2102	<	g = f.thenRunAsync(r, new ThreadExecutor());
2103	<	checkCompletedNormally(g, null);
2104	<	}
3501	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3502	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3503
3504	<	/**
3505	<	* thenRunAsync result completes exceptionally after exceptional
2108	<	* completion of source
2109	<	*/
2110	<	public void testThenRunAsync2E() {
2111	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2112	<	Noop r = new Noop();
2113	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2114	<	f.completeExceptionally(new CFException());
2115	<	try {
2116	<	g.join();
2117	<	shouldThrow();
2118	<	} catch (Exception ok) {
2119	<	}
2120	<	checkCompletedWithWrappedCFException(g);
2121	<	}
3504	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3505	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3506
3507	<	/**
3508	<	* thenRunAsync result completes exceptionally if action does
2125	<	*/
2126	<	public void testThenRunAsync3E() {
2127	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2128	<	FailingNoop r = new FailingNoop();
2129	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2130	<	f.complete(null);
2131	<	checkCompletedWithWrappedCFException(g);
2132	<	}
3507	>	for (CompletableFuture<?> future : fs)
3508	>	checkIncomplete(future);
3509
3510	<	/**
3511	<	* thenRunAsync result completes exceptionally if source cancelled
2136	<	*/
2137	<	public void testThenRunAsync4E() {
2138	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2139	<	Noop r = new Noop();
2140	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2141	<	assertTrue(f.cancel(true));
2142	<	checkCompletedWithWrappedCancellationException(g);
2143	<	}
3510	>	for (CompletableFuture<?> future : fs)
3511	>	future.complete(null);
3512
3513	<	/**
2146	<	* thenApplyAsync result completes normally after normal completion of source
2147	<	*/
2148	<	public void testThenApplyAsyncE() {
2149	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2150	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2151	<	f.complete(one);
2152	<	checkCompletedNormally(g, two);
2153	<	}
3513	>	incomplete.complete(v);
3514
3515	<	/**
3516	<	* thenApplyAsync result completes exceptionally after exceptional
2157	<	* completion of source
2158	<	*/
2159	<	public void testThenApplyAsync2E() {
2160	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2161	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2162	<	f.completeExceptionally(new CFException());
2163	<	checkCompletedWithWrappedCFException(g);
2164	<	}
3515	>	for (CompletableFuture<?> future : fs)
3516	>	checkCompletedNormally(future, null);
3517
3518	<	/**
3519	<	* thenApplyAsync result completes exceptionally if action does
2168	<	*/
2169	<	public void testThenApplyAsync3E() {
2170	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2171	<	FailingFunction r = new FailingFunction();
2172	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2173	<	f.complete(null);
2174	<	checkCompletedWithWrappedCFException(g);
2175	<	}
3518	>	assertEquals(0, e.count.get());
3519	>	}}
3520
3521		/**
3522	<	* thenApplyAsync result completes exceptionally if source cancelled
3522	>	* toCompletableFuture returns this CompletableFuture.
3523		*/
3524	<	public void testThenApplyAsync4E() {
3524	>	public void testToCompletableFuture() {
3525		CompletableFuture<Integer> f = new CompletableFuture<>();
3526	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2183	<	assertTrue(f.cancel(true));
2184	<	checkCompletedWithWrappedCancellationException(g);
3526	>	assertSame(f, f.toCompletableFuture());
3527		}
3528
3529	<	/**
2188	<	* thenAcceptAsync result completes normally after normal
2189	<	* completion of source
2190	<	*/
2191	<	public void testThenAcceptAsyncE() {
2192	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2193	<	IncAction r = new IncAction();
2194	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2195	<	f.complete(one);
2196	<	checkCompletedNormally(g, null);
2197	<	assertEquals(r.value, 2);
2198	<	}
3529	>	// jdk9
3530
3531		/**
3532	<	* thenAcceptAsync result completes exceptionally after exceptional
2202	<	* completion of source
3532	>	* newIncompleteFuture returns an incomplete CompletableFuture
3533		*/
3534	<	public void testThenAcceptAsync2E() {
3534	>	public void testNewIncompleteFuture() {
3535	>	for (Integer v1 : new Integer[] { 1, null })
3536	>	{
3537		CompletableFuture<Integer> f = new CompletableFuture<>();
3538	<	IncAction r = new IncAction();
3539	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3540	<	f.completeExceptionally(new CFException());
3541	<	checkCompletedWithWrappedCFException(g);
3542	<	}
3538	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3539	>	checkIncomplete(f);
3540	>	checkIncomplete(g);
3541	>	f.complete(v1);
3542	>	checkCompletedNormally(f, v1);
3543	>	checkIncomplete(g);
3544	>	g.complete(v1);
3545	>	checkCompletedNormally(g, v1);
3546	>	assertSame(g.getClass(), CompletableFuture.class);
3547	>	}}
3548
3549		/**
3550	<	* thenAcceptAsync result completes exceptionally if action does
3550	>	* completedStage returns a completed CompletionStage
3551		*/
3552	<	public void testThenAcceptAsync3E() {
3553	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3554	<	FailingConsumer r = new FailingConsumer();
3555	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3556	<	f.complete(null);
3557	<	checkCompletedWithWrappedCFException(g);
3552	>	public void testCompletedStage() {
3553	>	AtomicInteger x = new AtomicInteger(0);
3554	>	AtomicReference<Throwable> r = new AtomicReference<>();
3555	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3556	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3557	>	assertEquals(x.get(), 1);
3558	>	assertNull(r.get());
3559		}
3560
3561		/**
3562	<	* thenAcceptAsync result completes exceptionally if source cancelled
3562	>	* defaultExecutor by default returns the commonPool if
3563	>	* it supports more than one thread.
3564		*/
3565	<	public void testThenAcceptAsync4E() {
3565	>	public void testDefaultExecutor() {
3566		CompletableFuture<Integer> f = new CompletableFuture<>();
3567	<	IncAction r = new IncAction();
3568	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3569	<	assertTrue(f.cancel(true));
3570	<	checkCompletedWithWrappedCancellationException(g);
3567	>	Executor e = f.defaultExecutor();
3568	>	Executor c = ForkJoinPool.commonPool();
3569	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3570	>	assertSame(e, c);
3571	>	else
3572	>	assertNotSame(e, c);
3573		}
3574
3575		/**
3576	<	* thenCombineAsync result completes normally after normal
3577	<	* completion of sources
3576	>	* failedFuture returns a CompletableFuture completed
3577	>	* exceptionally with the given Exception
3578		*/
3579	<	public void testThenCombineAsyncE() {
3580	<	CompletableFuture<Integer> f, g, h;
3581	<	ThreadExecutor e = new ThreadExecutor();
3582	<	int count = 0;
2242	<
2243	<	f = new CompletableFuture<>();
2244	<	g = new CompletableFuture<>();
2245	<	h = f.thenCombineAsync(g, subtract, e);
2246	<	f.complete(3);
2247	<	checkIncomplete(h);
2248	<	g.complete(1);
2249	<	checkCompletedNormally(h, 2);
2250	<	assertEquals(++count, e.count.get());
2251	<
2252	<	f = new CompletableFuture<>();
2253	<	g = new CompletableFuture<>();
2254	<	h = f.thenCombineAsync(g, subtract, e);
2255	<	g.complete(1);
2256	<	checkIncomplete(h);
2257	<	f.complete(3);
2258	<	checkCompletedNormally(h, 2);
2259	<	assertEquals(++count, e.count.get());
2260	<
2261	<	f = new CompletableFuture<>();
2262	<	g = new CompletableFuture<>();
2263	<	g.complete(1);
2264	<	f.complete(3);
2265	<	h = f.thenCombineAsync(g, subtract, e);
2266	<	checkCompletedNormally(h, 2);
2267	<	assertEquals(++count, e.count.get());
3579	>	public void testFailedFuture() {
3580	>	CFException ex = new CFException();
3581	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3582	>	checkCompletedExceptionally(f, ex);
3583		}
3584
3585		/**
3586	<	* thenCombineAsync result completes exceptionally after exceptional
2272	<	* completion of either source
3586	>	* failedFuture(null) throws NPE
3587		*/
3588	<	public void testThenCombineAsync2E() {
3589	<	CompletableFuture<Integer> f, g, h;
3590	<	ThreadExecutor e = new ThreadExecutor();
3591	<	int count = 0;
3592	<
2279	<	f = new CompletableFuture<>();
2280	<	g = new CompletableFuture<>();
2281	<	h = f.thenCombineAsync(g, subtract, e);
2282	<	f.completeExceptionally(new CFException());
2283	<	checkIncomplete(h);
2284	<	g.complete(1);
2285	<	checkCompletedWithWrappedCFException(h);
2286	<
2287	<	f = new CompletableFuture<>();
2288	<	g = new CompletableFuture<>();
2289	<	h = f.thenCombineAsync(g, subtract, e);
2290	<	g.completeExceptionally(new CFException());
2291	<	checkIncomplete(h);
2292	<	f.complete(3);
2293	<	checkCompletedWithWrappedCFException(h);
2294	<
2295	<	f = new CompletableFuture<>();
2296	<	g = new CompletableFuture<>();
2297	<	g.completeExceptionally(new CFException());
2298	<	h = f.thenCombineAsync(g, subtract, e);
2299	<	checkIncomplete(h);
2300	<	f.complete(3);
2301	<	checkCompletedWithWrappedCFException(h);
2302	<
2303	<	assertEquals(0, e.count.get());
3588	>	public void testFailedFuture_null() {
3589	>	try {
3590	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3591	>	shouldThrow();
3592	>	} catch (NullPointerException success) {}
3593		}
3594
3595		/**
3596	<	* thenCombineAsync result completes exceptionally if action does
3596	>	* copy returns a CompletableFuture that is completed normally,
3597	>	* with the same value, when source is.
3598		*/
3599	<	public void testThenCombineAsync3E() {
3599	>	public void testCopy_normalCompletion() {
3600	>	for (boolean createIncomplete : new boolean[] { true, false })
3601	>	for (Integer v1 : new Integer[] { 1, null })
3602	>	{
3603		CompletableFuture<Integer> f = new CompletableFuture<>();
3604	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3605	<	FailingBiFunction r = new FailingBiFunction();
3606	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
3607	<	f.complete(one);
3608	<	checkIncomplete(g);
3609	<	assertFalse(r.ran);
3610	<	f2.complete(two);
3611	<	checkCompletedWithWrappedCFException(g);
3612	<	assertTrue(r.ran);
3613	<	}
3614	<
3615	<	/**
3616	<	* thenCombineAsync result completes exceptionally if either source cancelled
3617	<	*/
3618	<	public void testThenCombineAsync4E() {
3619	<	CompletableFuture<Integer> f, g, h;
3620	<	ThreadExecutor e = new ThreadExecutor();
3621	<
3622	<	f = new CompletableFuture<>();
3623	<	g = new CompletableFuture<>();
3624	<	h = f.thenCombineAsync(g, subtract, e);
3625	<	assertTrue(f.cancel(true));
3626	<	checkIncomplete(h);
3627	<	g.complete(1);
3628	<	checkCompletedWithWrappedCancellationException(h);
3629	<
3630	<	f = new CompletableFuture<>();
3631	<	g = new CompletableFuture<>();
3632	<	h = f.thenCombineAsync(g, subtract, e);
3633	<	assertTrue(g.cancel(true));
2341	<	checkIncomplete(h);
2342	<	f.complete(3);
2343	<	checkCompletedWithWrappedCancellationException(h);
2344	<
2345	<	f = new CompletableFuture<>();
2346	<	g = new CompletableFuture<>();
2347	<	assertTrue(g.cancel(true));
2348	<	h = f.thenCombineAsync(g, subtract, e);
2349	<	checkIncomplete(h);
2350	<	f.complete(3);
2351	<	checkCompletedWithWrappedCancellationException(h);
2352	<
2353	<	f = new CompletableFuture<>();
2354	<	g = new CompletableFuture<>();
2355	<	assertTrue(f.cancel(true));
2356	<	assertTrue(g.cancel(true));
2357	<	h = f.thenCombineAsync(g, subtract, e);
2358	<	checkCompletedWithWrappedCancellationException(h);
2359	<
2360	<	assertEquals(0, e.count.get());
2361	<	}
2362	<
2363	<	/**
2364	<	* thenAcceptBothAsync result completes normally after normal
2365	<	* completion of sources
2366	<	*/
2367	<	public void testThenAcceptBothAsyncE() {
2368	<	CompletableFuture<Integer> f, g;
2369	<	CompletableFuture<Void> h;
2370	<	SubtractAction r;
2371	<	ThreadExecutor e = new ThreadExecutor();
2372	<
2373	<	f = new CompletableFuture<>();
2374	<	g = new CompletableFuture<>();
2375	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2376	<	f.complete(3);
2377	<	checkIncomplete(h);
2378	<	g.complete(1);
2379	<	checkCompletedNormally(h, null);
2380	<	assertEquals(r.value, 2);
2381	<
2382	<	f = new CompletableFuture<>();
2383	<	g = new CompletableFuture<>();
2384	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2385	<	g.complete(1);
2386	<	checkIncomplete(h);
2387	<	f.complete(3);
2388	<	checkCompletedNormally(h, null);
2389	<	assertEquals(r.value, 2);
2390	<
2391	<	f = new CompletableFuture<>();
2392	<	g = new CompletableFuture<>();
2393	<	g.complete(1);
2394	<	f.complete(3);
2395	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2396	<	checkCompletedNormally(h, null);
2397	<	assertEquals(r.value, 2);
2398	<
2399	<	assertEquals(3, e.count.get());
2400	<	}
2401	<
2402	<	/**
2403	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2404	<	* completion of source
2405	<	*/
2406	<	public void testThenAcceptBothAsync2E() {
2407	<	CompletableFuture<Integer> f, g;
2408	<	CompletableFuture<Void> h;
2409	<	SubtractAction r;
2410	<	ThreadExecutor e = new ThreadExecutor();
2411	<
2412	<	f = new CompletableFuture<>();
2413	<	g = new CompletableFuture<>();
2414	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2415	<	f.completeExceptionally(new CFException());
2416	<	checkIncomplete(h);
2417	<	g.complete(1);
2418	<	checkCompletedWithWrappedCFException(h);
2419	<
2420	<	f = new CompletableFuture<>();
2421	<	g = new CompletableFuture<>();
2422	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2423	<	g.completeExceptionally(new CFException());
2424	<	checkIncomplete(h);
2425	<	f.complete(3);
2426	<	checkCompletedWithWrappedCFException(h);
2427	<
2428	<	f = new CompletableFuture<>();
2429	<	g = new CompletableFuture<>();
2430	<	f.complete(3);
2431	<	g.completeExceptionally(new CFException());
2432	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2433	<	checkCompletedWithWrappedCFException(h);
2434	<
2435	<	f = new CompletableFuture<>();
2436	<	g = new CompletableFuture<>();
2437	<	f.completeExceptionally(new CFException());
2438	<	g.complete(3);
2439	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2440	<	checkCompletedWithWrappedCFException(h);
2441	<
2442	<	assertEquals(0, e.count.get());
2443	<	}
2444	<
2445	<	/**
2446	<	* thenAcceptBothAsync result completes exceptionally if action does
2447	<	*/
2448	<	public void testThenAcceptBothAsync3E() {
2449	<	CompletableFuture<Integer> f, g;
2450	<	CompletableFuture<Void> h;
2451	<	FailingBiConsumer r;
2452	<	ThreadExecutor e = new ThreadExecutor();
2453	<
2454	<	f = new CompletableFuture<>();
2455	<	g = new CompletableFuture<>();
2456	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2457	<	f.complete(3);
2458	<	checkIncomplete(h);
2459	<	g.complete(1);
2460	<	checkCompletedWithWrappedCFException(h);
2461	<
2462	<	f = new CompletableFuture<>();
2463	<	g = new CompletableFuture<>();
2464	<	f.complete(3);
2465	<	g.complete(1);
2466	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2467	<	checkCompletedWithWrappedCFException(h);
2468	<
2469	<	assertEquals(2, e.count.get());
2470	<	}
2471	<
2472	<	/**
2473	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2474	<	*/
2475	<	public void testThenAcceptBothAsync4E() {
2476	<	CompletableFuture<Integer> f, g;
2477	<	CompletableFuture<Void> h;
2478	<	SubtractAction r;
2479	<	ThreadExecutor e = new ThreadExecutor();
2480	<
2481	<	f = new CompletableFuture<>();
2482	<	g = new CompletableFuture<>();
2483	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2484	<	assertTrue(f.cancel(true));
2485	<	checkIncomplete(h);
2486	<	g.complete(1);
2487	<	checkCompletedWithWrappedCancellationException(h);
2488	<
2489	<	f = new CompletableFuture<>();
2490	<	g = new CompletableFuture<>();
2491	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2492	<	assertTrue(g.cancel(true));
2493	<	checkIncomplete(h);
2494	<	f.complete(3);
2495	<	checkCompletedWithWrappedCancellationException(h);
2496	<
2497	<	f = new CompletableFuture<>();
2498	<	g = new CompletableFuture<>();
2499	<	f.complete(3);
2500	<	assertTrue(g.cancel(true));
2501	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2502	<	checkCompletedWithWrappedCancellationException(h);
2503	<
2504	<	f = new CompletableFuture<>();
2505	<	g = new CompletableFuture<>();
2506	<	assertTrue(f.cancel(true));
2507	<	g.complete(3);
2508	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2509	<	checkCompletedWithWrappedCancellationException(h);
2510	<
2511	<	assertEquals(0, e.count.get());
2512	<	}
3604	>	if (!createIncomplete) assertTrue(f.complete(v1));
3605	>	CompletableFuture<Integer> g = f.copy();
3606	>	if (createIncomplete) {
3607	>	checkIncomplete(f);
3608	>	checkIncomplete(g);
3609	>	assertTrue(f.complete(v1));
3610	>	}
3611	>	checkCompletedNormally(f, v1);
3612	>	checkCompletedNormally(g, v1);
3613	>	}}
3614	>
3615	>	/**
3616	>	* copy returns a CompletableFuture that is completed exceptionally
3617	>	* when source is.
3618	>	*/
3619	>	public void testCopy_exceptionalCompletion() {
3620	>	for (boolean createIncomplete : new boolean[] { true, false })
3621	>	{
3622	>	CFException ex = new CFException();
3623	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3624	>	if (!createIncomplete) f.completeExceptionally(ex);
3625	>	CompletableFuture<Integer> g = f.copy();
3626	>	if (createIncomplete) {
3627	>	checkIncomplete(f);
3628	>	checkIncomplete(g);
3629	>	f.completeExceptionally(ex);
3630	>	}
3631	>	checkCompletedExceptionally(f, ex);
3632	>	checkCompletedWithWrappedException(g, ex);
3633	>	}}
3634
3635		/**
3636	<	* runAfterBothAsync result completes normally after normal
2516	<	* completion of sources
3636	>	* Completion of a copy does not complete its source.
3637		*/
3638	<	public void testRunAfterBothAsyncE() {
3638	>	public void testCopy_oneWayPropagation() {
3639		CompletableFuture<Integer> f = new CompletableFuture<>();
3640	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3641	<	Noop r = new Noop();
3642	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
3643	<	f.complete(one);
3644	<	checkIncomplete(g);
3645	<	f2.complete(two);
2526	<	checkCompletedNormally(g, null);
2527	<	assertTrue(r.ran);
3640	>	assertTrue(f.copy().complete(1));
3641	>	assertTrue(f.copy().complete(null));
3642	>	assertTrue(f.copy().cancel(true));
3643	>	assertTrue(f.copy().cancel(false));
3644	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3645	>	checkIncomplete(f);
3646		}
3647
3648		/**
3649	<	* runAfterBothAsync result completes exceptionally after exceptional
3650	<	* completion of source
3649	>	* minimalCompletionStage returns a CompletableFuture that is
3650	>	* completed normally, with the same value, when source is.
3651		*/
3652	<	public void testRunAfterBothAsync2E() {
3652	>	public void testMinimalCompletionStage() {
3653		CompletableFuture<Integer> f = new CompletableFuture<>();
3654	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3655	<	Noop r = new Noop();
3656	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
3657	<	f.completeExceptionally(new CFException());
3658	<	f2.complete(two);
3659	<	checkCompletedWithWrappedCFException(g);
3660	<
3661	<	r = new Noop();
3662	<	f = new CompletableFuture<>();
2545	<	f2 = new CompletableFuture<>();
2546	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2547	<	f.complete(one);
2548	<	f2.completeExceptionally(new CFException());
2549	<	checkCompletedWithWrappedCFException(g);
3654	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3655	>	AtomicInteger x = new AtomicInteger(0);
3656	>	AtomicReference<Throwable> r = new AtomicReference<>();
3657	>	checkIncomplete(f);
3658	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3659	>	f.complete(1);
3660	>	checkCompletedNormally(f, 1);
3661	>	assertEquals(x.get(), 1);
3662	>	assertNull(r.get());
3663		}
3664
3665		/**
3666	<	* runAfterBothAsync result completes exceptionally if action does
3666	>	* minimalCompletionStage returns a CompletableFuture that is
3667	>	* completed exceptionally when source is.
3668		*/
3669	<	public void testRunAfterBothAsync3E() {
3669	>	public void testMinimalCompletionStage2() {
3670		CompletableFuture<Integer> f = new CompletableFuture<>();
3671	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3672	<	FailingNoop r = new FailingNoop();
3673	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
3674	<	f.complete(one);
3675	<	checkIncomplete(g);
3676	<	f2.complete(two);
3677	<	checkCompletedWithWrappedCFException(g);
3671	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3672	>	AtomicInteger x = new AtomicInteger(0);
3673	>	AtomicReference<Throwable> r = new AtomicReference<>();
3674	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3675	>	checkIncomplete(f);
3676	>	CFException ex = new CFException();
3677	>	f.completeExceptionally(ex);
3678	>	checkCompletedExceptionally(f, ex);
3679	>	assertEquals(x.get(), 0);
3680	>	assertEquals(r.get().getCause(), ex);
3681		}
3682
3683		/**
3684	<	* runAfterBothAsync result completes exceptionally if either source cancelled
3684	>	* failedStage returns a CompletionStage completed
3685	>	* exceptionally with the given Exception
3686		*/
3687	<	public void testRunAfterBothAsync4E() {
3688	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3689	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3690	<	Noop r = new Noop();
3691	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
3692	<	assertTrue(f.cancel(true));
3693	<	f2.complete(two);
3694	<	checkCompletedWithWrappedCancellationException(g);
2577	<
2578	<	r = new Noop();
2579	<	f = new CompletableFuture<>();
2580	<	f2 = new CompletableFuture<>();
2581	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2582	<	f.complete(one);
2583	<	assertTrue(f2.cancel(true));
2584	<	checkCompletedWithWrappedCancellationException(g);
3687	>	public void testFailedStage() {
3688	>	CFException ex = new CFException();
3689	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3690	>	AtomicInteger x = new AtomicInteger(0);
3691	>	AtomicReference<Throwable> r = new AtomicReference<>();
3692	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3693	>	assertEquals(x.get(), 0);
3694	>	assertEquals(r.get(), ex);
3695		}
3696
3697		/**
3698	<	* applyToEitherAsync result completes normally after normal
2589	<	* completion of sources
3698	>	* completeAsync completes with value of given supplier
3699		*/
3700	<	public void testApplyToEitherAsyncE() {
3700	>	public void testCompleteAsync() {
3701	>	for (Integer v1 : new Integer[] { 1, null })
3702	>	{
3703		CompletableFuture<Integer> f = new CompletableFuture<>();
3704	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3705	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3706	<	f.complete(one);
3707	<	checkCompletedNormally(g, two);
2597	<
2598	<	f = new CompletableFuture<>();
2599	<	f.complete(one);
2600	<	f2 = new CompletableFuture<>();
2601	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2602	<	checkCompletedNormally(g, two);
2603	<	}
3704	>	f.completeAsync(() -> v1);
3705	>	f.join();
3706	>	checkCompletedNormally(f, v1);
3707	>	}}
3708
3709		/**
3710	<	* applyToEitherAsync result completes exceptionally after exceptional
2607	<	* completion of source
3710	>	* completeAsync completes exceptionally if given supplier throws
3711		*/
3712	<	public void testApplyToEitherAsync2E() {
3712	>	public void testCompleteAsync2() {
3713		CompletableFuture<Integer> f = new CompletableFuture<>();
3714	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3715	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3716	<	f.completeExceptionally(new CFException());
3717	<	checkCompletedWithWrappedCFException(g);
3718	<
3719	<	f = new CompletableFuture<>();
3720	<	f2 = new CompletableFuture<>();
2618	<	f2.completeExceptionally(new CFException());
2619	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2620	<	f.complete(one);
2621	<	checkCompletedWithWrappedCFException(g);
3714	>	CFException ex = new CFException();
3715	>	f.completeAsync(() -> { throw ex; });
3716	>	try {
3717	>	f.join();
3718	>	shouldThrow();
3719	>	} catch (CompletionException success) {}
3720	>	checkCompletedWithWrappedException(f, ex);
3721		}
3722
3723		/**
3724	<	* applyToEitherAsync result completes exceptionally if action does
3724	>	* completeAsync with given executor completes with value of given supplier
3725		*/
3726	<	public void testApplyToEitherAsync3E() {
3726	>	public void testCompleteAsync3() {
3727	>	for (Integer v1 : new Integer[] { 1, null })
3728	>	{
3729		CompletableFuture<Integer> f = new CompletableFuture<>();
3730	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3731	<	FailingFunction r = new FailingFunction();
3732	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
3733	<	f.complete(one);
3734	<	checkCompletedWithWrappedCFException(g);
3735	<	}
3730	>	ThreadExecutor executor = new ThreadExecutor();
3731	>	f.completeAsync(() -> v1, executor);
3732	>	assertSame(v1, f.join());
3733	>	checkCompletedNormally(f, v1);
3734	>	assertEquals(1, executor.count.get());
3735	>	}}
3736
3737		/**
3738	<	* applyToEitherAsync result completes exceptionally if either source cancelled
3738	>	* completeAsync with given executor completes exceptionally if
3739	>	* given supplier throws
3740		*/
3741	<	public void testApplyToEitherAsync4E() {
3741	>	public void testCompleteAsync4() {
3742		CompletableFuture<Integer> f = new CompletableFuture<>();
3743	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3744	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3745	<	assertTrue(f.cancel(true));
3746	<	checkCompletedWithWrappedCancellationException(g);
3747	<
3748	<	f = new CompletableFuture<>();
3749	<	f2 = new CompletableFuture<>();
3750	<	assertTrue(f2.cancel(true));
3751	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2650	<	checkCompletedWithWrappedCancellationException(g);
3743	>	CFException ex = new CFException();
3744	>	ThreadExecutor executor = new ThreadExecutor();
3745	>	f.completeAsync(() -> { throw ex; }, executor);
3746	>	try {
3747	>	f.join();
3748	>	shouldThrow();
3749	>	} catch (CompletionException success) {}
3750	>	checkCompletedWithWrappedException(f, ex);
3751	>	assertEquals(1, executor.count.get());
3752		}
3753
3754		/**
3755	<	* acceptEitherAsync result completes normally after normal
2655	<	* completion of sources
3755	>	* orTimeout completes with TimeoutException if not complete
3756		*/
3757	<	public void testAcceptEitherAsyncE() {
3757	>	public void testOrTimeout_timesOut() {
3758	>	long timeoutMillis = timeoutMillis();
3759		CompletableFuture<Integer> f = new CompletableFuture<>();
3760	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3761	<	IncAction r = new IncAction();
3762	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3763	<	f.complete(one);
2663	<	checkCompletedNormally(g, null);
2664	<	assertEquals(r.value, 2);
2665	<
2666	<	r = new IncAction();
2667	<	f = new CompletableFuture<>();
2668	<	f.complete(one);
2669	<	f2 = new CompletableFuture<>();
2670	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2671	<	checkCompletedNormally(g, null);
2672	<	assertEquals(r.value, 2);
3760	>	long startTime = System.nanoTime();
3761	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3762	>	checkCompletedWithTimeoutException(f);
3763	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3764		}
3765
3766		/**
3767	<	* acceptEitherAsync result completes exceptionally after exceptional
2677	<	* completion of source
3767	>	* orTimeout completes normally if completed before timeout
3768		*/
3769	<	public void testAcceptEitherAsync2E() {
3769	>	public void testOrTimeout_completed() {
3770	>	for (Integer v1 : new Integer[] { 1, null })
3771	>	{
3772		CompletableFuture<Integer> f = new CompletableFuture<>();
3773	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3774	<	IncAction r = new IncAction();
3775	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3776	<	f.completeExceptionally(new CFException());
3777	<	checkCompletedWithWrappedCFException(g);
3778	<
3779	<	r = new IncAction();
3780	<	f = new CompletableFuture<>();
3781	<	f2 = new CompletableFuture<>();
3782	<	f2.completeExceptionally(new CFException());
2691	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2692	<	f.complete(one);
2693	<	checkCompletedWithWrappedCFException(g);
2694	<	}
3773	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3774	>	long startTime = System.nanoTime();
3775	>	f.complete(v1);
3776	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3777	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3778	>	g.complete(v1);
3779	>	checkCompletedNormally(f, v1);
3780	>	checkCompletedNormally(g, v1);
3781	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3782	>	}}
3783
3784		/**
3785	<	* acceptEitherAsync result completes exceptionally if action does
3785	>	* completeOnTimeout completes with given value if not complete
3786		*/
3787	<	public void testAcceptEitherAsync3E() {
3788	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3789	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2702	<	FailingConsumer r = new FailingConsumer();
2703	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2704	<	f.complete(one);
2705	<	checkCompletedWithWrappedCFException(g);
3787	>	public void testCompleteOnTimeout_timesOut() {
3788	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3789	>	() -> testCompleteOnTimeout_timesOut(null));
3790		}
3791
3792		/**
3793	<	* acceptEitherAsync result completes exceptionally if either
2710	<	* source cancelled
3793	>	* completeOnTimeout completes with given value if not complete
3794		*/
3795	<	public void testAcceptEitherAsync4E() {
3795	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3796	>	long timeoutMillis = timeoutMillis();
3797		CompletableFuture<Integer> f = new CompletableFuture<>();
3798	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3799	<	IncAction r = new IncAction();
3800	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3801	<	assertTrue(f.cancel(true));
3802	<	checkCompletedWithWrappedCancellationException(g);
3803	<
2720	<	r = new IncAction();
2721	<	f = new CompletableFuture<>();
2722	<	f2 = new CompletableFuture<>();
2723	<	assertTrue(f2.cancel(true));
2724	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2725	<	checkCompletedWithWrappedCancellationException(g);
3798	>	long startTime = System.nanoTime();
3799	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3800	>	assertSame(v, f.join());
3801	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3802	>	f.complete(99);         // should have no effect
3803	>	checkCompletedNormally(f, v);
3804		}
3805
3806		/**
3807	<	* runAfterEitherAsync result completes normally after normal
2730	<	* completion of sources
3807	>	* completeOnTimeout has no effect if completed within timeout
3808		*/
3809	<	public void testRunAfterEitherAsyncE() {
3809	>	public void testCompleteOnTimeout_completed() {
3810	>	for (Integer v1 : new Integer[] { 1, null })
3811	>	{
3812		CompletableFuture<Integer> f = new CompletableFuture<>();
3813	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3814	<	Noop r = new Noop();
3815	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3816	<	f.complete(one);
3817	<	checkCompletedNormally(g, null);
3818	<	assertTrue(r.ran);
3813	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3814	>	long startTime = System.nanoTime();
3815	>	f.complete(v1);
3816	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3817	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3818	>	g.complete(v1);
3819	>	checkCompletedNormally(f, v1);
3820	>	checkCompletedNormally(g, v1);
3821	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3822	>	}}
3823	>
3824	>	/**
3825	>	* delayedExecutor returns an executor that delays submission
3826	>	*/
3827	>	public void testDelayedExecutor() {
3828	>	testInParallel(() -> testDelayedExecutor(null, null),
3829	>	() -> testDelayedExecutor(null, 1),
3830	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3831	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3832	>	}
3833	>
3834	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3835	>	long timeoutMillis = timeoutMillis();
3836	>	// Use an "unreasonably long" long timeout to catch lingering threads
3837	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3838	>	final Executor delayer, longDelayer;
3839	>	if (executor == null) {
3840	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3841	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3842	>	} else {
3843	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3844	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3845	>	}
3846	>	long startTime = System.nanoTime();
3847	>	CompletableFuture<Integer> f =
3848	>	CompletableFuture.supplyAsync(() -> v, delayer);
3849	>	CompletableFuture<Integer> g =
3850	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3851
3852	<	r = new Noop();
2742	<	f = new CompletableFuture<>();
2743	<	f.complete(one);
2744	<	f2 = new CompletableFuture<>();
2745	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2746	<	checkCompletedNormally(g, null);
2747	<	assertTrue(r.ran);
2748	<	}
3852	>	assertNull(g.getNow(null));
3853
3854	<	/**
3855	<	* runAfterEitherAsync result completes exceptionally after exceptional
3856	<	* completion of source
3857	<	*/
2754	<	public void testRunAfterEitherAsync2E() {
2755	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2756	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2757	<	Noop r = new Noop();
2758	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2759	<	f.completeExceptionally(new CFException());
2760	<	checkCompletedWithWrappedCFException(g);
3854	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3855	>	long millisElapsed = millisElapsedSince(startTime);
3856	>	assertTrue(millisElapsed >= timeoutMillis);
3857	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3858
3859	<	r = new Noop();
2763	<	f = new CompletableFuture<>();
2764	<	f2 = new CompletableFuture<>();
2765	<	f2.completeExceptionally(new CFException());
2766	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2767	<	f.complete(one);
2768	<	checkCompletedWithWrappedCFException(g);
2769	<	}
3859	>	checkCompletedNormally(f, v);
3860
3861	<	/**
3862	<	* runAfterEitherAsync result completes exceptionally if action does
2773	<	*/
2774	<	public void testRunAfterEitherAsync3E() {
2775	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2776	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2777	<	FailingNoop r = new FailingNoop();
2778	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2779	<	f.complete(one);
2780	<	checkCompletedWithWrappedCFException(g);
3861	>	checkIncomplete(g);
3862	>	assertTrue(g.cancel(true));
3863		}
3864
3865	<	/**
2784	<	* runAfterEitherAsync result completes exceptionally if either
2785	<	* source cancelled
2786	<	*/
2787	<	public void testRunAfterEitherAsync4E() {
2788	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2789	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2790	<	Noop r = new Noop();
2791	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2792	<	assertTrue(f.cancel(true));
2793	<	checkCompletedWithWrappedCancellationException(g);
3865	>	//--- tests of implementation details; not part of official tck ---
3866
3867	<	r = new Noop();
3868	<	f = new CompletableFuture<>();
3869	<	f2 = new CompletableFuture<>();
3870	<	assertTrue(f2.cancel(true));
3871	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3872	<	checkCompletedWithWrappedCancellationException(g);
3873	<	}
3867	>	Object resultOf(CompletableFuture<?> f) {
3868	>	SecurityManager sm = System.getSecurityManager();
3869	>	if (sm != null) {
3870	>	try {
3871	>	System.setSecurityManager(null);
3872	>	} catch (SecurityException giveUp) {
3873	>	return "Reflection not available";
3874	>	}
3875	>	}
3876
3877	<	/**
3878	<	* thenComposeAsync result completes normally after normal
3879	<	* completion of source
3880	<	*/
3881	<	public void testThenComposeAsyncE() {
3882	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3883	<	CompletableFutureInc r = new CompletableFutureInc();
3884	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3885	<	f.complete(one);
3886	<	checkCompletedNormally(g, two);
3877	>	try {
3878	>	java.lang.reflect.Field resultField
3879	>	= CompletableFuture.class.getDeclaredField("result");
3880	>	resultField.setAccessible(true);
3881	>	return resultField.get(f);
3882	>	} catch (Throwable t) {
3883	>	throw new AssertionError(t);
3884	>	} finally {
3885	>	if (sm != null) System.setSecurityManager(sm);
3886	>	}
3887		}
3888
3889	<	/**
3890	<	* thenComposeAsync result completes exceptionally after
3891	<	* exceptional completion of source
3892	<	*/
3893	<	public void testThenComposeAsync2E() {
3894	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3895	<	CompletableFutureInc r = new CompletableFutureInc();
3896	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3897	<	f.completeExceptionally(new CFException());
3898	<	checkCompletedWithWrappedCFException(g);
3899	<	}
3889	>	public void testExceptionPropagationReusesResultObject() {
3890	>	if (!testImplementationDetails) return;
3891	>	for (ExecutionMode m : ExecutionMode.values())
3892	>	{
3893	>	final CFException ex = new CFException();
3894	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3895	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3896	>
3897	>	final Runnable noopRunnable = new Noop(m);
3898	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3899	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
3900	>
3901	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3902	>	= new ArrayList<>();
3903	>
3904	>	funs.add(y -> m.thenRun(y, noopRunnable));
3905	>	funs.add(y -> m.thenAccept(y, noopConsumer));
3906	>	funs.add(y -> m.thenApply(y, incFunction));
3907	>
3908	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3909	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3910	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3911	>
3912	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3913	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3914	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3915	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3916	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3917	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3918	>
3919	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3920	>
3921	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3922	>
3923	>	funs.add(y -> CompletableFuture.allOf(y));
3924	>	funs.add(y -> CompletableFuture.allOf(y, v42));
3925	>	funs.add(y -> CompletableFuture.allOf(v42, y));
3926	>	funs.add(y -> CompletableFuture.anyOf(y));
3927	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3928	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3929
3930	<	/**
3931	<	* thenComposeAsync result completes exceptionally if action does
3932	<	*/
3933	<	public void testThenComposeAsync3E() {
3934	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3935	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3936	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3937	<	f.complete(one);
3938	<	checkCompletedWithWrappedCFException(g);
3939	<	}
3930	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3931	>	fun : funs) {
3932	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3933	>	f.completeExceptionally(ex);
3934	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3935	>	checkCompletedWithWrappedException(src, ex);
3936	>	CompletableFuture<?> dep = fun.apply(src);
3937	>	checkCompletedWithWrappedException(dep, ex);
3938	>	assertSame(resultOf(src), resultOf(dep));
3939	>	}
3940
3941	<	/**
3942	<	* thenComposeAsync result completes exceptionally if source cancelled
3943	<	*/
3944	<	public void testThenComposeAsync4E() {
3945	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3946	<	CompletableFutureInc r = new CompletableFutureInc();
3947	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3948	<	assertTrue(f.cancel(true));
3949	<	checkCompletedWithWrappedCancellationException(g);
3950	<	}
3941	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3942	>	fun : funs) {
3943	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3944	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3945	>	CompletableFuture<?> dep = fun.apply(src);
3946	>	f.completeExceptionally(ex);
3947	>	checkCompletedWithWrappedException(src, ex);
3948	>	checkCompletedWithWrappedException(dep, ex);
3949	>	assertSame(resultOf(src), resultOf(dep));
3950	>	}
3951
3952	<	// other static methods
3952	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3953	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3954	>	fun : funs) {
3955	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3956	>	f.cancel(mayInterruptIfRunning);
3957	>	checkCancelled(f);
3958	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3959	>	checkCompletedWithWrappedCancellationException(src);
3960	>	CompletableFuture<?> dep = fun.apply(src);
3961	>	checkCompletedWithWrappedCancellationException(dep);
3962	>	assertSame(resultOf(src), resultOf(dep));
3963	>	}
3964
3965	<	/**
3966	<	* allOf(no component futures) returns a future completed normally
3967	<	* with the value null
3968	<	*/
3969	<	public void testAllOf_empty() throws Exception {
3970	<	CompletableFuture<Void> f = CompletableFuture.allOf();
3971	<	checkCompletedNormally(f, null);
3972	<	}
3965	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3966	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3967	>	fun : funs) {
3968	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3969	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3970	>	CompletableFuture<?> dep = fun.apply(src);
3971	>	f.cancel(mayInterruptIfRunning);
3972	>	checkCancelled(f);
3973	>	checkCompletedWithWrappedCancellationException(src);
3974	>	checkCompletedWithWrappedCancellationException(dep);
3975	>	assertSame(resultOf(src), resultOf(dep));
3976	>	}
3977	>	}}
3978
3979		/**
3980	<	* allOf returns a future completed normally with the value null
2862	<	* when all components complete normally
3980	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3981		*/
3982	<	public void testAllOf_normal() throws Exception {
3983	<	for (int k = 1; k < 20; ++k) {
3984	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3985	<	for (int i = 0; i < k; ++i)
3986	<	fs[i] = new CompletableFuture<>();
3987	<	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3988	<	for (int i = 0; i < k; ++i) {
3989	<	checkIncomplete(f);
3990	<	checkIncomplete(CompletableFuture.allOf(fs));
3991	<	fs[i].complete(one);
3982	>	public void testMinimalCompletionStage_minimality() {
3983	>	if (!testImplementationDetails) return;
3984	>	Function<Method, String> toSignature =
3985	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3986	>	Predicate<Method> isNotStatic =
3987	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3988	>	List<Method> minimalMethods =
3989	>	Stream.of(Object.class, CompletionStage.class)
3990	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3991	>	.filter(isNotStatic)
3992	>	.collect(Collectors.toList());
3993	>	// Methods from CompletableFuture permitted NOT to throw UOE
3994	>	String[] signatureWhitelist = {
3995	>	"newIncompleteFuture[]",
3996	>	"defaultExecutor[]",
3997	>	"minimalCompletionStage[]",
3998	>	"copy[]",
3999	>	};
4000	>	Set<String> permittedMethodSignatures =
4001	>	Stream.concat(minimalMethods.stream().map(toSignature),
4002	>	Stream.of(signatureWhitelist))
4003	>	.collect(Collectors.toSet());
4004	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4005	>	.filter(isNotStatic)
4006	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4007	>	.collect(Collectors.toList());
4008	>
4009	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4010	>	CompletionStage<Integer> min =
4011	>	new CompletableFuture<Integer>().minimalCompletionStage();
4012	>	stages.add(min);
4013	>	stages.add(min.thenApply(x -> x));
4014	>	stages.add(CompletableFuture.completedStage(1));
4015	>	stages.add(CompletableFuture.failedStage(new CFException()));
4016	>
4017	>	List<Method> bugs = new ArrayList<>();
4018	>	for (Method method : allMethods) {
4019	>	Class<?>[] parameterTypes = method.getParameterTypes();
4020	>	Object[] args = new Object[parameterTypes.length];
4021	>	// Manufacture boxed primitives for primitive params
4022	>	for (int i = 0; i < args.length; i++) {
4023	>	Class<?> type = parameterTypes[i];
4024	>	if (parameterTypes[i] == boolean.class)
4025	>	args[i] = false;
4026	>	else if (parameterTypes[i] == int.class)
4027	>	args[i] = 0;
4028	>	else if (parameterTypes[i] == long.class)
4029	>	args[i] = 0L;
4030	>	}
4031	>	for (CompletionStage<Integer> stage : stages) {
4032	>	try {
4033	>	method.invoke(stage, args);
4034	>	bugs.add(method);
4035	>	}
4036	>	catch (java.lang.reflect.InvocationTargetException expected) {
4037	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4038	>	bugs.add(method);
4039	>	// expected.getCause().printStackTrace();
4040	>	}
4041	>	}
4042	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4043		}
2875	–	checkCompletedNormally(f, null);
2876	–	checkCompletedNormally(CompletableFuture.allOf(fs), null);
4044		}
4045	+	if (!bugs.isEmpty())
4046	+	throw new Error("Methods did not throw UOE: " + bugs);
4047		}
4048
4049		/**
4050	<	* anyOf(no component futures) returns an incomplete future
4051	<	*/
2883	<	public void testAnyOf_empty() throws Exception {
2884	<	CompletableFuture<Object> f = CompletableFuture.anyOf();
2885	<	checkIncomplete(f);
2886	<	}
2887	<
2888	<	/**
2889	<	* anyOf returns a future completed normally with a value when
2890	<	* a component future does
4050	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4051	>	* is completed normally, with the same value, when source is.
4052		*/
4053	<	public void testAnyOf_normal() throws Exception {
4054	<	for (int k = 0; k < 10; ++k) {
4055	<	CompletableFuture[] fs = new CompletableFuture[k];
4056	<	for (int i = 0; i < k; ++i)
4057	<	fs[i] = new CompletableFuture<>();
4058	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
4053	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4054	>	for (boolean createIncomplete : new boolean[] { true, false })
4055	>	for (Integer v1 : new Integer[] { 1, null })
4056	>	{
4057	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4058	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4059	>	if (!createIncomplete) assertTrue(f.complete(v1));
4060	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4061	>	if (createIncomplete) {
4062		checkIncomplete(f);
4063	<	for (int i = 0; i < k; ++i) {
4064	<	fs[i].complete(one);
2901	<	checkCompletedNormally(f, one);
2902	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
2903	<	}
4063	>	checkIncomplete(g);
4064	>	assertTrue(f.complete(v1));
4065		}
4066	<	}
4067	<
4068	<	/**
4069	<	* anyOf result completes exceptionally when any component does.
4070	<	*/
4071	<	public void testAnyOf_exceptional() throws Exception {
4072	<	for (int k = 0; k < 10; ++k) {
4073	<	CompletableFuture[] fs = new CompletableFuture[k];
4074	<	for (int i = 0; i < k; ++i)
4075	<	fs[i] = new CompletableFuture<>();
4076	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
4066	>	checkCompletedNormally(f, v1);
4067	>	checkCompletedNormally(g, v1);
4068	>	}}
4069	>
4070	>	/**
4071	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4072	>	* is completed exceptionally when source is.
4073	>	*/
4074	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4075	>	for (boolean createIncomplete : new boolean[] { true, false })
4076	>	{
4077	>	CFException ex = new CFException();
4078	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4079	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4080	>	if (!createIncomplete) f.completeExceptionally(ex);
4081	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4082	>	if (createIncomplete) {
4083		checkIncomplete(f);
4084	<	for (int i = 0; i < k; ++i) {
4085	<	fs[i].completeExceptionally(new CFException());
2919	<	checkCompletedWithWrappedCFException(f);
2920	<	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
2921	<	}
4084	>	checkIncomplete(g);
4085	>	f.completeExceptionally(ex);
4086		}
4087	<	}
4087	>	checkCompletedExceptionally(f, ex);
4088	>	checkCompletedWithWrappedException(g, ex);
4089	>	}}
4090
4091		/**
4092	<	* Completion methods throw NullPointerException with null arguments
4092	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4093		*/
4094	<	public void testNPE() {
4094	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4095	>	for (Integer v1 : new Integer[] { 1, null })
4096	>	{
4097		CompletableFuture<Integer> f = new CompletableFuture<>();
4098	<	CompletableFuture<Integer> g = new CompletableFuture<>();
4099	<	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
4100	<	CompletableFuture<?> h;
4101	<	ThreadExecutor exec = new ThreadExecutor();
4102	<
4103	<	Runnable[] throwingActions = {
4104	<	() -> { CompletableFuture.supplyAsync(null); },
2937	<	() -> { CompletableFuture.supplyAsync(null, exec); },
2938	<	() -> { CompletableFuture.supplyAsync(supplyOne, null); },
2939	<
2940	<	() -> { CompletableFuture.runAsync(null); },
2941	<	() -> { CompletableFuture.runAsync(null, exec); },
2942	<	() -> { CompletableFuture.runAsync(() -> {}, null); },
2943	<
2944	<	() -> { f.completeExceptionally(null); },
2945	<
2946	<	() -> { f.thenApply(null); },
2947	<	() -> { f.thenApplyAsync(null); },
2948	<	() -> { f.thenApplyAsync((x) -> x, null); },
2949	<	() -> { f.thenApplyAsync(null, exec); },
2950	<
2951	<	() -> { f.thenAccept(null); },
2952	<	() -> { f.thenAcceptAsync(null); },
2953	<	() -> { f.thenAcceptAsync((x) -> { ; }, null); },
2954	<	() -> { f.thenAcceptAsync(null, exec); },
2955	<
2956	<	() -> { f.thenRun(null); },
2957	<	() -> { f.thenRunAsync(null); },
2958	<	() -> { f.thenRunAsync(() -> { ; }, null); },
2959	<	() -> { f.thenRunAsync(null, exec); },
2960	<
2961	<	() -> { f.thenCombine(g, null); },
2962	<	() -> { f.thenCombineAsync(g, null); },
2963	<	() -> { f.thenCombineAsync(g, null, exec); },
2964	<	() -> { f.thenCombine(nullFuture, (x, y) -> x); },
2965	<	() -> { f.thenCombineAsync(nullFuture, (x, y) -> x); },
2966	<	() -> { f.thenCombineAsync(nullFuture, (x, y) -> x, exec); },
2967	<	() -> { f.thenCombineAsync(g, (x, y) -> x, null); },
2968	<
2969	<	() -> { f.thenAcceptBoth(g, null); },
2970	<	() -> { f.thenAcceptBothAsync(g, null); },
2971	<	() -> { f.thenAcceptBothAsync(g, null, exec); },
2972	<	() -> { f.thenAcceptBoth(nullFuture, (x, y) -> {}); },
2973	<	() -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}); },
2974	<	() -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec); },
2975	<	() -> { f.thenAcceptBothAsync(g, (x, y) -> {}, null); },
2976	<
2977	<	() -> { f.runAfterBoth(g, null); },
2978	<	() -> { f.runAfterBothAsync(g, null); },
2979	<	() -> { f.runAfterBothAsync(g, null, exec); },
2980	<	() -> { f.runAfterBoth(nullFuture, () -> {}); },
2981	<	() -> { f.runAfterBothAsync(nullFuture, () -> {}); },
2982	<	() -> { f.runAfterBothAsync(nullFuture, () -> {}, exec); },
2983	<	() -> { f.runAfterBothAsync(g, () -> {}, null); },
2984	<
2985	<	() -> { f.applyToEither(g, null); },
2986	<	() -> { f.applyToEitherAsync(g, null); },
2987	<	() -> { f.applyToEitherAsync(g, null, exec); },
2988	<	() -> { f.applyToEither(nullFuture, (x) -> x); },
2989	<	() -> { f.applyToEitherAsync(nullFuture, (x) -> x); },
2990	<	() -> { f.applyToEitherAsync(nullFuture, (x) -> x, exec); },
2991	<	() -> { f.applyToEitherAsync(g, (x) -> x, null); },
2992	<
2993	<	() -> { f.acceptEither(g, null); },
2994	<	() -> { f.acceptEitherAsync(g, null); },
2995	<	() -> { f.acceptEitherAsync(g, null, exec); },
2996	<	() -> { f.acceptEither(nullFuture, (x) -> {}); },
2997	<	() -> { f.acceptEitherAsync(nullFuture, (x) -> {}); },
2998	<	() -> { f.acceptEitherAsync(nullFuture, (x) -> {}, exec); },
2999	<	() -> { f.acceptEitherAsync(g, (x) -> {}, null); },
3000	<
3001	<	() -> { f.runAfterEither(g, null); },
3002	<	() -> { f.runAfterEitherAsync(g, null); },
3003	<	() -> { f.runAfterEitherAsync(g, null, exec); },
3004	<	() -> { f.runAfterEither(nullFuture, () -> {}); },
3005	<	() -> { f.runAfterEitherAsync(nullFuture, () -> {}); },
3006	<	() -> { f.runAfterEitherAsync(nullFuture, () -> {}, exec); },
3007	<	() -> { f.runAfterEitherAsync(g, () -> {}, null); },
3008	<
3009	<	() -> { f.thenCompose(null); },
3010	<	() -> { f.thenComposeAsync(null); },
3011	<	() -> { f.thenComposeAsync(new CompletableFutureInc(), null); },
3012	<	() -> { f.thenComposeAsync(null, exec); },
3013	<
3014	<	() -> { f.exceptionally(null); },
3015	<
3016	<	() -> { f.handle(null); },
3017	<
3018	<	() -> { CompletableFuture.allOf((CompletableFuture<?>)null); },
3019	<	() -> { CompletableFuture.allOf((CompletableFuture<?>[])null); },
3020	<	() -> { CompletableFuture.allOf(f, null); },
3021	<	() -> { CompletableFuture.allOf(null, f); },
3022	<
3023	<	() -> { CompletableFuture.anyOf((CompletableFuture<?>)null); },
3024	<	() -> { CompletableFuture.anyOf((CompletableFuture<?>[])null); },
3025	<	() -> { CompletableFuture.anyOf(f, null); },
3026	<	() -> { CompletableFuture.anyOf(null, f); },
3027	<	};
3028	<
3029	<	assertThrows(NullPointerException.class, throwingActions);
3030	<	assertEquals(0, exec.count.get());
3031	<	}
4098	>	CompletionStage minimal = f.minimalCompletionStage();
4099	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4100	>	assertTrue(g.complete(v1));
4101	>	checkCompletedNormally(g, v1);
4102	>	checkIncomplete(f);
4103	>	checkIncomplete(minimal.toCompletableFuture());
4104	>	}}
4105
4106		/**
4107	<	* toCompletableFuture returns this CompletableFuture.
4107	>	* minimalStage.toCompletableFuture().join() awaits completion
4108		*/
4109	<	public void testToCompletableFuture() {
4110	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4111	<	assertSame(f, f.toCompletableFuture());
4109	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4110	>	for (boolean createIncomplete : new boolean[] { true, false })
4111	>	for (Integer v1 : new Integer[] { 1, null })
4112	>	{
4113	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4114	>	if (!createIncomplete) assertTrue(f.complete(v1));
4115	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4116	>	if (createIncomplete) assertTrue(f.complete(v1));
4117	>	assertEquals(v1, minimal.toCompletableFuture().join());
4118	>	assertEquals(v1, minimal.toCompletableFuture().get());
4119	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4120	>	}}
4121	>
4122	>	/**
4123	>	* Completion of a toCompletableFuture copy of a minimal stage
4124	>	* does not complete its source.
4125	>	*/
4126	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4127	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4128	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4129	>	assertTrue(g.toCompletableFuture().complete(1));
4130	>	assertTrue(g.toCompletableFuture().complete(null));
4131	>	assertTrue(g.toCompletableFuture().cancel(true));
4132	>	assertTrue(g.toCompletableFuture().cancel(false));
4133	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4134	>	checkIncomplete(g.toCompletableFuture());
4135	>	f.complete(1);
4136	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4137		}
4138
4139	<	/**
4140	<	* whenComplete action executes on normal completion, propagating
4141	<	* source result.
4142	<	*/
4143	<	public void testWhenComplete1() {
4144	<	final AtomicInteger a = new AtomicInteger();
4145	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4146	<	CompletableFuture<Integer> g =
4147	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3050	<	f.complete(three);
3051	<	checkCompletedNormally(f, three);
3052	<	checkCompletedNormally(g, three);
3053	<	assertEquals(a.get(), 1);
4139	>	/** Demo utility method for external reliable toCompletableFuture */
4140	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4141	>	CompletableFuture<T> f = new CompletableFuture<>();
4142	>	stage.handle((T t, Throwable ex) -> {
4143	>	if (ex != null) f.completeExceptionally(ex);
4144	>	else f.complete(t);
4145	>	return null;
4146	>	});
4147	>	return f;
4148		}
4149
4150	<	/**
4151	<	* whenComplete action executes on exceptional completion, propagating
4152	<	* source result.
3059	<	*/
3060	<	public void testWhenComplete2() {
3061	<	final AtomicInteger a = new AtomicInteger();
3062	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3063	<	CompletableFuture<Integer> g =
3064	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3065	<	f.completeExceptionally(new CFException());
3066	<	assertTrue(f.isCompletedExceptionally());
3067	<	assertTrue(g.isCompletedExceptionally());
3068	<	assertEquals(a.get(), 1);
4150	>	/** Demo utility method to join a CompletionStage */
4151	>	static <T> T join(CompletionStage<T> stage) {
4152	>	return toCompletableFuture(stage).join();
4153		}
4154
4155		/**
4156	<	* If a whenComplete action throws an exception when triggered by
3073	<	* a normal completion, it completes exceptionally
4156	>	* Joining a minimal stage "by hand" works
4157		*/
4158	<	public void testWhenComplete3() {
4158	>	public void testMinimalCompletionStage_join_by_hand() {
4159	>	for (boolean createIncomplete : new boolean[] { true, false })
4160	>	for (Integer v1 : new Integer[] { 1, null })
4161	>	{
4162		CompletableFuture<Integer> f = new CompletableFuture<>();
4163	<	CompletableFuture<Integer> g =
4164	<	f.whenComplete((Integer x, Throwable t) ->
4165	<	{ throw new CFException(); } );
4166	<	f.complete(three);
4167	<	checkCompletedNormally(f, three);
4168	<	assertTrue(g.isCompletedExceptionally());
4169	<	checkCompletedWithWrappedCFException(g);
4170	<	}
4163	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4164	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4165	>	if (!createIncomplete) assertTrue(f.complete(v1));
4166	>	minimal.thenAccept(x -> g.complete(x));
4167	>	if (createIncomplete) assertTrue(f.complete(v1));
4168	>	g.join();
4169	>	checkCompletedNormally(g, v1);
4170	>	checkCompletedNormally(f, v1);
4171	>	assertEquals(v1, join(minimal));
4172	>	}}
4173	>
4174	>	static class Monad {
4175	>	static class ZeroException extends RuntimeException {
4176	>	public ZeroException() { super("monadic zero"); }
4177	>	}
4178	>	// "return", "unit"
4179	>	static <T> CompletableFuture<T> unit(T value) {
4180	>	return completedFuture(value);
4181	>	}
4182	>	// monadic zero ?
4183	>	static <T> CompletableFuture<T> zero() {
4184	>	return failedFuture(new ZeroException());
4185	>	}
4186	>	// >=>
4187	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4188	>	(Function<T, CompletableFuture<U>> f,
4189	>	Function<U, CompletableFuture<V>> g) {
4190	>	return x -> f.apply(x).thenCompose(g);
4191	>	}
4192
4193	<	/**
4194	<	* whenCompleteAsync action executes on normal completion, propagating
4195	<	* source result.
4196	<	*/
4197	<	public void testWhenCompleteAsync1() {
4198	<	final AtomicInteger a = new AtomicInteger();
4199	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4200	<	CompletableFuture<Integer> g =
3094	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3095	<	f.complete(three);
3096	<	checkCompletedNormally(f, three);
3097	<	checkCompletedNormally(g, three);
3098	<	assertEquals(a.get(), 1);
3099	<	}
4193	>	static void assertZero(CompletableFuture<?> f) {
4194	>	try {
4195	>	f.getNow(null);
4196	>	throw new AssertionError("should throw");
4197	>	} catch (CompletionException success) {
4198	>	assertTrue(success.getCause() instanceof ZeroException);
4199	>	}
4200	>	}
4201
4202	<	/**
4203	<	* whenCompleteAsync action executes on exceptional completion, propagating
4204	<	* source result.
4205	<	*/
4206	<	public void testWhenCompleteAsync2() {
4207	<	final AtomicInteger a = new AtomicInteger();
4208	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4209	<	CompletableFuture<Integer> g =
4210	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
4211	<	f.completeExceptionally(new CFException());
4212	<	checkCompletedWithWrappedCFException(f);
4213	<	checkCompletedWithWrappedCFException(g);
4214	<	}
4202	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4203	>	CompletableFuture<T> g) {
4204	>	T fval = null, gval = null;
4205	>	Throwable fex = null, gex = null;
4206	>
4207	>	try { fval = f.get(); }
4208	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4209	>	catch (Throwable ex) { fex = ex; }
4210	>
4211	>	try { gval = g.get(); }
4212	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4213	>	catch (Throwable ex) { gex = ex; }
4214	>
4215	>	if (fex != null || gex != null)
4216	>	assertSame(fex.getClass(), gex.getClass());
4217	>	else
4218	>	assertEquals(fval, gval);
4219	>	}
4220
4221	<	/**
4222	<	* If a whenCompleteAsync action throws an exception when
4223	<	* triggered by a normal completion, it completes exceptionally
3118	<	*/
3119	<	public void testWhenCompleteAsync3() {
3120	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3121	<	CompletableFuture<Integer> g =
3122	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3123	<	{ throw new CFException(); } );
3124	<	f.complete(three);
3125	<	checkCompletedNormally(f, three);
3126	<	checkCompletedWithWrappedCFException(g);
3127	<	}
4221	>	static class PlusFuture<T> extends CompletableFuture<T> {
4222	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4223	>	}
4224
4225	<	/**
4226	<	* whenCompleteAsync action executes on normal completion, propagating
4227	<	* source result.
4228	<	*/
4229	<	public void testWhenCompleteAsync1e() {
4230	<	final AtomicInteger a = new AtomicInteger();
4231	<	ThreadExecutor exec = new ThreadExecutor();
4232	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4233	<	CompletableFuture<Integer> g =
4234	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
4235	<	exec);
4236	<	f.complete(three);
4237	<	checkCompletedNormally(f, three);
4238	<	checkCompletedNormally(g, three);
4239	<	assertEquals(a.get(), 1);
4225	>	/** Implements "monadic plus". */
4226	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4227	>	CompletableFuture<? extends T> g) {
4228	>	PlusFuture<T> plus = new PlusFuture<T>();
4229	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4230	>	try {
4231	>	if (ex == null) {
4232	>	if (plus.complete(result))
4233	>	if (plus.firstFailure.get() != null)
4234	>	plus.firstFailure.set(null);
4235	>	}
4236	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4237	>	if (plus.isDone())
4238	>	plus.firstFailure.set(null);
4239	>	}
4240	>	else {
4241	>	// first failure has precedence
4242	>	Throwable first = plus.firstFailure.getAndSet(null);
4243	>
4244	>	// may fail with "Self-suppression not permitted"
4245	>	try { first.addSuppressed(ex); }
4246	>	catch (Exception ignored) {}
4247	>
4248	>	plus.completeExceptionally(first);
4249	>	}
4250	>	} catch (Throwable unexpected) {
4251	>	plus.completeExceptionally(unexpected);
4252	>	}
4253	>	};
4254	>	f.whenComplete(action);
4255	>	g.whenComplete(action);
4256	>	return plus;
4257	>	}
4258		}
4259
4260		/**
4261	<	* whenCompleteAsync action executes on exceptional completion, propagating
4262	<	* source result.
4261	>	* CompletableFuture is an additive monad - sort of.
4262	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4263		*/
4264	<	public void testWhenCompleteAsync2e() {
4265	<	final AtomicInteger a = new AtomicInteger();
4266	<	ThreadExecutor exec = new ThreadExecutor();
4267	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4268	<	CompletableFuture<Integer> g =
4269	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
4270	<	exec);
4271	<	f.completeExceptionally(new CFException());
4272	<	checkCompletedWithWrappedCFException(f);
4273	<	checkCompletedWithWrappedCFException(g);
4274	<	}
4264	>	public void testAdditiveMonad() throws Throwable {
4265	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4266	>	CompletableFuture<Long> zero = Monad.zero();
4267	>
4268	>	// Some mutually non-commutative functions
4269	>	Function<Long, CompletableFuture<Long>> triple
4270	>	= x -> Monad.unit(3 * x);
4271	>	Function<Long, CompletableFuture<Long>> inc
4272	>	= x -> Monad.unit(x + 1);
4273	>
4274	>	// unit is a right identity: m >>= unit === m
4275	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4276	>	inc.apply(5L));
4277	>	// unit is a left identity: (unit x) >>= f === f x
4278	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4279	>	inc.apply(5L));
4280	>
4281	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4282	>	Monad.assertFutureEquals(
4283	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4284	>	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4285	>
4286	>	// The case for CompletableFuture as an additive monad is weaker...
4287	>
4288	>	// zero is a monadic zero
4289	>	Monad.assertZero(zero);
4290	>
4291	>	// left zero: zero >>= f === zero
4292	>	Monad.assertZero(zero.thenCompose(inc));
4293	>	// right zero: f >>= (\x -> zero) === zero
4294	>	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4295	>
4296	>	// f plus zero === f
4297	>	Monad.assertFutureEquals(Monad.unit(5L),
4298	>	Monad.plus(Monad.unit(5L), zero));
4299	>	// zero plus f === f
4300	>	Monad.assertFutureEquals(Monad.unit(5L),
4301	>	Monad.plus(zero, Monad.unit(5L)));
4302	>	// zero plus zero === zero
4303	>	Monad.assertZero(Monad.plus(zero, zero));
4304	>	{
4305	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4306	>	Monad.unit(8L));
4307	>	// non-determinism
4308	>	assertTrue(f.get() == 5L || f.get() == 8L);
4309	>	}
4310
4311	<	/**
4312	<	* If a whenCompleteAsync action throws an exception when triggered
4313	<	* by a normal completion, it completes exceptionally
4314	<	*/
4315	<	public void testWhenCompleteAsync3e() {
4316	<	ThreadExecutor exec = new ThreadExecutor();
4317	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4318	<	CompletableFuture<Integer> g =
4319	<	f.whenCompleteAsync((Integer x, Throwable t) ->
4320	<	{ throw new CFException(); },
4321	<	exec);
4322	<	f.complete(three);
4323	<	checkCompletedNormally(f, three);
4324	<	checkCompletedWithWrappedCFException(g);
4311	>	CompletableFuture<Long> godot = new CompletableFuture<>();
4312	>	// f plus godot === f (doesn't wait for godot)
4313	>	Monad.assertFutureEquals(Monad.unit(5L),
4314	>	Monad.plus(Monad.unit(5L), godot));
4315	>	// godot plus f === f (doesn't wait for godot)
4316	>	Monad.assertFutureEquals(Monad.unit(5L),
4317	>	Monad.plus(godot, Monad.unit(5L)));
4318	>	}
4319	>
4320	>	/** Test long recursive chains of CompletableFutures with cascading completions */
4321	>	@SuppressWarnings("FutureReturnValueIgnored")
4322	>	public void testRecursiveChains() throws Throwable {
4323	>	for (ExecutionMode m : ExecutionMode.values())
4324	>	for (boolean addDeadEnds : new boolean[] { true, false })
4325	>	{
4326	>	final int val = 42;
4327	>	final int n = expensiveTests ? 1_000 : 2;
4328	>	CompletableFuture<Integer> head = new CompletableFuture<>();
4329	>	CompletableFuture<Integer> tail = head;
4330	>	for (int i = 0; i < n; i++) {
4331	>	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4332	>	tail = m.thenApply(tail, v -> v + 1);
4333	>	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4334	>	tail = m.applyToEither(tail, tail, v -> v + 1);
4335	>	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4336	>	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4337	>	}
4338	>	head.complete(val);
4339	>	assertEquals(val + 3 * n, (int) tail.join());
4340	>	}}
4341	>
4342	>	/**
4343	>	* A single CompletableFuture with many dependents.
4344	>	* A demo of scalability - runtime is O(n).
4345	>	*/
4346	>	@SuppressWarnings("FutureReturnValueIgnored")
4347	>	public void testManyDependents() throws Throwable {
4348	>	final int n = expensiveTests ? 1_000_000 : 10;
4349	>	final CompletableFuture<Void> head = new CompletableFuture<>();
4350	>	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4351	>	final AtomicInteger count = new AtomicInteger(0);
4352	>	for (int i = 0; i < n; i++) {
4353	>	head.thenRun(() -> count.getAndIncrement());
4354	>	head.thenAccept(x -> count.getAndIncrement());
4355	>	head.thenApply(x -> count.getAndIncrement());
4356	>
4357	>	head.runAfterBoth(complete, () -> count.getAndIncrement());
4358	>	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4359	>	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4360	>	complete.runAfterBoth(head, () -> count.getAndIncrement());
4361	>	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4362	>	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4363	>
4364	>	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4365	>	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4366	>	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4367	>	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4368	>	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4369	>	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4370	>	}
4371	>	head.complete(null);
4372	>	assertEquals(5 * 3 * n, count.get());
4373		}
4374
4375	<	/**
4376	<	* handleAsync action completes normally with function value on
4377	<	* either normal or exceptional completion of source
4378	<	*/
4379	<	public void testHandleAsync() {
4380	<	CompletableFuture<Integer> f, g;
4381	<	IntegerHandler r;
4382	<
4383	<	f = new CompletableFuture<>();
4384	<	g = f.handleAsync(r = new IntegerHandler());
4385	<	assertFalse(r.ran);
4386	<	f.completeExceptionally(new CFException());
4387	<	checkCompletedWithWrappedCFException(f);
4388	<	checkCompletedNormally(g, three);
4389	<	assertTrue(r.ran);
4390	<
4391	<	f = new CompletableFuture<>();
4392	<	g = f.handleAsync(r = new IntegerHandler());
4393	<	assertFalse(r.ran);
4394	<	f.completeExceptionally(new CFException());
4395	<	checkCompletedWithWrappedCFException(f);
4396	<	checkCompletedNormally(g, three);
4397	<	assertTrue(r.ran);
3201	<
3202	<	f = new CompletableFuture<>();
3203	<	g = f.handleAsync(r = new IntegerHandler());
3204	<	assertFalse(r.ran);
3205	<	f.complete(one);
3206	<	checkCompletedNormally(f, one);
3207	<	checkCompletedNormally(g, two);
3208	<	assertTrue(r.ran);
4375	>	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4376	>	@SuppressWarnings("FutureReturnValueIgnored")
4377	>	public void testCoCompletionGarbageRetention() throws Throwable {
4378	>	final int n = expensiveTests ? 1_000_000 : 10;
4379	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4380	>	CompletableFuture<Integer> f;
4381	>	for (int i = 0; i < n; i++) {
4382	>	f = new CompletableFuture<>();
4383	>	f.runAfterEither(incomplete, () -> {});
4384	>	f.complete(null);
4385	>
4386	>	f = new CompletableFuture<>();
4387	>	f.acceptEither(incomplete, x -> {});
4388	>	f.complete(null);
4389	>
4390	>	f = new CompletableFuture<>();
4391	>	f.applyToEither(incomplete, x -> x);
4392	>	f.complete(null);
4393	>
4394	>	f = new CompletableFuture<>();
4395	>	CompletableFuture.anyOf(f, incomplete);
4396	>	f.complete(null);
4397	>	}
4398
4399	<	f = new CompletableFuture<>();
4400	<	g = f.handleAsync(r = new IntegerHandler());
4401	<	assertFalse(r.ran);
4402	<	f.complete(one);
4403	<	checkCompletedNormally(f, one);
4404	<	checkCompletedNormally(g, two);
4405	<	assertTrue(r.ran);
4399	>	for (int i = 0; i < n; i++) {
4400	>	f = new CompletableFuture<>();
4401	>	incomplete.runAfterEither(f, () -> {});
4402	>	f.complete(null);
4403	>
4404	>	f = new CompletableFuture<>();
4405	>	incomplete.acceptEither(f, x -> {});
4406	>	f.complete(null);
4407	>
4408	>	f = new CompletableFuture<>();
4409	>	incomplete.applyToEither(f, x -> x);
4410	>	f.complete(null);
4411	>
4412	>	f = new CompletableFuture<>();
4413	>	CompletableFuture.anyOf(incomplete, f);
4414	>	f.complete(null);
4415	>	}
4416		}
4417
4418		/**
4419	<	* handleAsync action with Executor completes normally with
4420	<	* function value on either normal or exceptional completion of
4421	<	* source
4422	<	*/
4423	<	public void testHandleAsync2() {
4424	<	CompletableFuture<Integer> f, g;
4425	<	ThreadExecutor exec = new ThreadExecutor();
4426	<	IntegerHandler r;
4427	<
4428	<	f = new CompletableFuture<>();
4429	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4430	<	assertFalse(r.ran);
4431	<	f.completeExceptionally(new CFException());
4432	<	checkCompletedWithWrappedCFException(f);
4433	<	checkCompletedNormally(g, three);
4434	<	assertTrue(r.ran);
4435	<
4436	<	f = new CompletableFuture<>();
4437	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4438	<	assertFalse(r.ran);
4439	<	f.completeExceptionally(new CFException());
4440	<	checkCompletedWithWrappedCFException(f);
4441	<	checkCompletedNormally(g, three);
4442	<	assertTrue(r.ran);
4443	<
4444	<	f = new CompletableFuture<>();
4445	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4446	<	assertFalse(r.ran);
4447	<	f.complete(one);
4448	<	checkCompletedNormally(f, one);
4449	<	checkCompletedNormally(g, two);
4450	<	assertTrue(r.ran);
4451	<
4452	<	f = new CompletableFuture<>();
4453	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4454	<	assertFalse(r.ran);
4455	<	f.complete(one);
4456	<	checkCompletedNormally(f, one);
4457	<	checkCompletedNormally(g, two);
4458	<	assertTrue(r.ran);
4459	<	}
4419	>	* Reproduction recipe for:
4420	>	* 8160402: Garbage retention with CompletableFuture.anyOf
4421	>	* 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
4422	>	*/
4423	>	public void testAnyOfGarbageRetention() throws Throwable {
4424	>	for (Integer v : new Integer[] { 1, null })
4425	>	{
4426	>	final int n = expensiveTests ? 100_000 : 10;
4427	>	CompletableFuture<Integer>[] fs
4428	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4429	>	for (int i = 0; i < fs.length; i++)
4430	>	fs[i] = new CompletableFuture<>();
4431	>	fs[fs.length - 1].complete(v);
4432	>	for (int i = 0; i < n; i++)
4433	>	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4434	>	}}
4435	>
4436	>	/**
4437	>	* Checks for garbage retention with allOf.
4438	>	*
4439	>	* As of 2016-07, fails with OOME:
4440	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4441	>	*/
4442	>	public void testCancelledAllOfGarbageRetention() throws Throwable {
4443	>	final int n = expensiveTests ? 100_000 : 10;
4444	>	CompletableFuture<Integer>[] fs
4445	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4446	>	for (int i = 0; i < fs.length; i++)
4447	>	fs[i] = new CompletableFuture<>();
4448	>	for (int i = 0; i < n; i++)
4449	>	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4450	>	}
4451	>
4452	>	/**
4453	>	* Checks for garbage retention when a dependent future is
4454	>	* cancelled and garbage-collected.
4455	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4456	>	*
4457	>	* As of 2016-07, fails with OOME:
4458	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4459	>	*/
4460	>	public void testCancelledGarbageRetention() throws Throwable {
4461	>	final int n = expensiveTests ? 100_000 : 10;
4462	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4463	>	for (int i = 0; i < n; i++)
4464	>	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4465	>	}
4466	>
4467	>	/**
4468	>	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4469	>	* is invoked many times.
4470	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4471	>	*
4472	>	* As of 2016-07, fails with OOME:
4473	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4474	>	*/
4475	>	public void testToCompletableFutureGarbageRetention() throws Throwable {
4476	>	final int n = expensiveTests ? 900_000 : 10;
4477	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4478	>	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4479	>	for (int i = 0; i < n; i++)
4480	>	assertTrue(minimal.toCompletableFuture().cancel(true));
4481	>	}
4482	>
4483	>	//     static <U> U join(CompletionStage<U> stage) {
4484	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4485	>	//         stage.whenComplete((v, ex) -> {
4486	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4487	>	//         });
4488	>	//         return f.join();
4489	>	//     }
4490	>
4491	>	//     static <U> boolean isDone(CompletionStage<U> stage) {
4492	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4493	>	//         stage.whenComplete((v, ex) -> {
4494	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4495	>	//         });
4496	>	//         return f.isDone();
4497	>	//     }
4498	>
4499	>	//     static <U> U join2(CompletionStage<U> stage) {
4500	>	//         return stage.toCompletableFuture().copy().join();
4501	>	//     }
4502	>
4503	>	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4504	>	//         return stage.toCompletableFuture().copy().isDone();
4505	>	//     }
4506
4507		}

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