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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.41 by jsr166, Mon Jun 2 01:46:11 2014 UTC vs.
Revision 1.195 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;
23	<	import static java.util.concurrent.TimeUnit.SECONDS;
24	<	import java.util.*;
25	<	import java.util.function.Supplier;
26	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
28	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.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 42 | 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 55 | 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));
60	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
78	>	checkTimedGet(f, value);
79	>
80		try {
81		assertEquals(value, f.join());
63	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
64	–	try {
82		assertEquals(value, f.getNow(null));
66	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
67	–	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) {
92	<	try {
93	<	f.get(LONG_DELAY_MS, MILLISECONDS);
94	<	shouldThrow();
95	<	} catch (ExecutionException success) {
96	<	assertTrue(success.getCause() instanceof CFException);
97	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
98	<	try {
84	<	f.join();
85	<	shouldThrow();
86	<	} catch (CompletionException success) {
87	<	assertTrue(success.getCause() instanceof CFException);
88	<	}
89	<	try {
90	<	f.getNow(null);
91	<	shouldThrow();
92	<	} catch (CompletionException success) {
93	<	assertTrue(success.getCause() instanceof CFException);
94	<	}
95	<	try {
96	<	f.get();
97	<	shouldThrow();
98	<	} catch (ExecutionException success) {
99	<	assertTrue(success.getCause() instanceof CFException);
100	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
101	<	assertTrue(f.isDone());
102	<	assertFalse(f.isCancelled());
103	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
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 checkCompletedWithWrappedCFException(CompletableFuture<?> f,
102	<	CFException ex) {
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	<	assertSame(ex, success.getCause());
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	<	assertSame(ex, success.getCause());
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	<	assertSame(ex, success.getCause());
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	<	assertSame(ex, success.getCause());
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 153 | Line 190 | public class CompletableFutureTest exten
190		shouldThrow();
191		} catch (CancellationException success) {
192		} catch (Throwable fail) { threadUnexpectedException(fail); }
156	–	assertTrue(f.isDone());
157	–	assertTrue(f.isCompletedExceptionally());
158	–	assertTrue(f.isCancelled());
159	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
160	–	}
193
194	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
195	<	try {
164	<	f.get(LONG_DELAY_MS, MILLISECONDS);
165	<	shouldThrow();
166	<	} catch (ExecutionException success) {
167	<	assertTrue(success.getCause() instanceof CancellationException);
168	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
169	<	try {
170	<	f.join();
171	<	shouldThrow();
172	<	} catch (CompletionException success) {
173	<	assertTrue(success.getCause() instanceof CancellationException);
174	<	}
175	<	try {
176	<	f.getNow(null);
177	<	shouldThrow();
178	<	} catch (CompletionException success) {
179	<	assertTrue(success.getCause() instanceof CancellationException);
180	<	}
181	<	try {
182	<	f.get();
183	<	shouldThrow();
184	<	} catch (ExecutionException success) {
185	<	assertTrue(success.getCause() instanceof CancellationException);
186	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
194	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
195	>
196		assertTrue(f.isDone());
188	–	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 204 | 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 216 | 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 226 | 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 238 | 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 247 | 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 257 | 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	+	for (ExecutionMode m : ExecutionMode.values())
314	+	for (Integer v1 : new Integer[] { 1, null })
315	+	{
316		CompletableFuture<Integer> f = new CompletableFuture<>();
317	<	assertEquals(f.getNumberOfDependents(), 0);
318	<	CompletableFuture g = f.thenRun(new Noop());
319	<	assertEquals(f.getNumberOfDependents(), 1);
320	<	assertEquals(g.getNumberOfDependents(), 0);
321	<	CompletableFuture h = f.thenRun(new Noop());
322	<	assertEquals(f.getNumberOfDependents(), 2);
323	<	f.complete(1);
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 316 | 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	<	// A non-commutative function that handles and produces null values as well.
393	<	static Integer subtract(Integer x, Integer y) {
394	<	return (x == null && y == null) ? null :
395	<	((x == null) ? 42 : x.intValue())
396	<	- ((y == null) ? 99 : y.intValue());
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.
#	Line 330 | Line 417 | public class CompletableFutureTest exten
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);
337	<	static final BiFunction<Integer, Integer, Integer> subtract =
338	<	(Integer x, Integer y) -> subtract(x, y);
339	<	static final class IncAction implements Consumer<Integer> {
340	<	int invocationCount = 0;
341	<	Integer value;
342	<	public boolean ran() { return invocationCount == 1; }
420	>	static class NoopConsumer extends CheckedIntegerAction
421	>	implements Consumer<Integer>
422	>	{
423	>	NoopConsumer(ExecutionMode m) { super(m); }
424		public void accept(Integer x) {
425	<	invocationCount++;
426	<	value = inc(x);
425	>	invoked();
426	>	value = x;
427		}
428		}
429	<	static final class IncFunction implements Function<Integer,Integer> {
430	<	int invocationCount = 0;
431	<	Integer value;
432	<	public boolean ran() { return invocationCount == 1; }
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	<	invocationCount++;
435	>	invoked();
436		return value = inc(x);
437		}
438		}
439	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
440	<	int invocationCount = 0;
441	<	Integer value;
442	<	// Check this action was invoked exactly once when result is computed.
443	<	public boolean ran() { return invocationCount == 1; }
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	<	invocationCount++;
453	>	invoked();
454		value = subtract(x, y);
455		}
456		}
457	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
458	<	int invocationCount = 0;
459	<	Integer value;
460	<	// Check this action was invoked exactly once when result is computed.
461	<	public boolean ran() { return invocationCount == 1; }
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	<	invocationCount++;
463	>	invoked();
464		return value = subtract(x, y);
465		}
466		}
467	<	static final class Noop implements Runnable {
468	<	int invocationCount = 0;
469	<	boolean ran;
467	>
468	>	static class Noop extends CheckedAction implements Runnable {
469	>	Noop(ExecutionMode m) { super(m); }
470		public void run() {
471	<	invocationCount++;
382	<	ran = true;
471	>	invoked();
472		}
473		}
474
475	<	static final class FailingSupplier implements Supplier<Integer> {
476	<	boolean ran;
477	<	public Integer get() { ran = true; throw new CFException(); }
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 FailingConsumer implements Consumer<Integer> {
486	<	boolean ran;
487	<	public void accept(Integer x) { 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	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
498	<	boolean ran;
499	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
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	<	// Used for explicit executor tests
569	<	static final class ThreadExecutor implements Executor {
570	<	AtomicInteger count = new AtomicInteger(0);
433	<
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	<	new Thread(r).start();
573	>	throw ex;
574		}
575		}
576
577	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
578	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
579	<	}
577	>	// Used for explicit executor tests
578	>	static final class ThreadExecutor implements Executor {
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	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
586	<	boolean ran;
587	<	public Integer apply(Integer x, Throwable t) {
447	<	ran = true;
448	<	return (t == null) ? two : three;
585	>	public void execute(Runnable r) {
586	>	count.getAndIncrement();
587	>	new Thread(tg, r).start();
588		}
589		}
590
591	+	static final boolean defaultExecutorIsCommonPool
592	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
593	+
594		/**
595		* Permits the testing of parallel code for the 3 different
596	<	* execution modes without repeating all the testing code.
596	>	* execution modes without copy/pasting all the test methods.
597		*/
598		enum ExecutionMode {
599	<	DEFAULT {
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);
#	Line 471 | Line 650 | public class CompletableFutureTest exten
650		BiFunction<? super T,? super U,? extends V> a) {
651		return f.thenCombine(g, a);
652		}
653	<	public <T,U> CompletableFuture<U> applyToEither
653	>	public <T> CompletableFuture<Void> runAfterEither
654		(CompletableFuture<T> f,
655	<	CompletionStage<? extends T> g,
656	<	Function<? super T,U> a) {
657	<	return f.applyToEither(g, a);
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,
#	Line 483 | Line 662 | public class CompletableFutureTest exten
662		Consumer<? super T> a) {
663		return f.acceptEither(g, a);
664		}
665	<	public <T> CompletableFuture<Void> runAfterEither
665	>	public <T,U> CompletableFuture<U> applyToEither
666		(CompletableFuture<T> f,
667	<	CompletionStage<?> g,
668	<	java.lang.Runnable a) {
669	<	return f.runAfterEither(g, a);
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.thenCompose(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.whenComplete(a);
709	>	return f.whenCompleteAsync(a);
710		}
502	–	},
503	–
504	–	//             /** Experimental way to do more testing */
505	–	//         REVERSE_DEFAULT {
506	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
507	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
508	–	//                 return g.runAfterBoth(f, a);
509	–	//             }
510	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
511	–	//                 (CompletableFuture<T> f,
512	–	//                  CompletionStage<? extends U> g,
513	–	//                  BiConsumer<? super T,? super U> a) {
514	–	//                 return DEFAULT.thenAcceptBoth(f, g, a);
515	–	//             }
516	–	//         },
517	–
518	–	DEFAULT_ASYNC {
711		public <T,U> CompletableFuture<Void> runAfterBoth
712		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
713		return f.runAfterBothAsync(g, a);
#	Line 532 | Line 724 | public class CompletableFutureTest exten
724		BiFunction<? super T,? super U,? extends V> a) {
725		return f.thenCombineAsync(g, a);
726		}
727	<	public <T,U> CompletableFuture<U> applyToEither
727	>	public <T> CompletableFuture<Void> runAfterEither
728		(CompletableFuture<T> f,
729	<	CompletionStage<? extends T> g,
730	<	Function<? super T,U> a) {
731	<	return f.applyToEitherAsync(g, a);
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,
#	Line 544 | Line 736 | public class CompletableFutureTest exten
736		Consumer<? super T> a) {
737		return f.acceptEitherAsync(g, a);
738		}
739	<	public <T> CompletableFuture<Void> runAfterEither
739	>	public <T,U> CompletableFuture<U> applyToEither
740		(CompletableFuture<T> f,
741	<	CompletionStage<?> g,
742	<	java.lang.Runnable a) {
743	<	return f.runAfterEitherAsync(g, a);
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);
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);
782	>	return f.whenCompleteAsync(a, new ThreadExecutor());
783		}
563	–	},
564	–
565	–	//         REVERSE_DEFAULT_ASYNC {
566	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
567	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
568	–	//                 return f.runAfterBothAsync(g, a);
569	–	//             }
570	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
571	–	//                 (CompletableFuture<T> f,
572	–	//                  CompletionStage<? extends U> g,
573	–	//                  BiConsumer<? super T,? super U> a) {
574	–	//                 return DEFAULT_ASYNC.thenAcceptBoth(f, g, a);
575	–	//             }
576	–	//         },
577	–
578	–	EXECUTOR {
784		public <T,U> CompletableFuture<Void> runAfterBoth
785		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
786		return f.runAfterBothAsync(g, a, new ThreadExecutor());
#	Line 592 | Line 797 | public class CompletableFutureTest exten
797		BiFunction<? super T,? super U,? extends V> a) {
798		return f.thenCombineAsync(g, a, new ThreadExecutor());
799		}
595	–	public <T,U> CompletableFuture<U> applyToEither
596	–	(CompletableFuture<T> f,
597	–	CompletionStage<? extends T> g,
598	–	Function<? super T,U> a) {
599	–	return f.applyToEitherAsync(g, a, new ThreadExecutor());
600	–	}
601	–	public <T> CompletableFuture<Void> acceptEither
602	–	(CompletableFuture<T> f,
603	–	CompletionStage<? extends T> g,
604	–	Consumer<? super T> a) {
605	–	return f.acceptEitherAsync(g, a, new ThreadExecutor());
606	–	}
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,U> CompletableFuture<U> thenCompose
806	>	public <T> CompletableFuture<Void> acceptEither
807		(CompletableFuture<T> f,
808	<	Function<? super T,? extends CompletionStage<U>> a) {
809	<	return f.thenComposeAsync(a, new ThreadExecutor());
808	>	CompletionStage<? extends T> g,
809	>	Consumer<? super T> a) {
810	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
811		}
812	<	public <T> CompletableFuture<T> whenComplete
812	>	public <T,U> CompletableFuture<U> applyToEither
813		(CompletableFuture<T> f,
814	<	BiConsumer<? super T,? super Throwable> a) {
815	<	return f.whenCompleteAsync(a, new ThreadExecutor());
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
#	Line 632 | Line 845 | public class CompletableFutureTest exten
845		(CompletableFuture<T> f,
846		CompletionStage<? extends U> g,
847		BiFunction<? super T,? super U,? extends V> a);
635	–	public abstract <T,U> CompletableFuture<U> applyToEither
636	–	(CompletableFuture<T> f,
637	–	CompletionStage<? extends T> g,
638	–	Function<? super T,U> a);
639	–	public abstract <T> CompletableFuture<Void> acceptEither
640	–	(CompletableFuture<T> f,
641	–	CompletionStage<? extends T> g,
642	–	Consumer<? super T> a);
848		public abstract <T> CompletableFuture<Void> runAfterEither
849		(CompletableFuture<T> f,
850		CompletionStage<?> g,
851		java.lang.Runnable a);
852	<	public abstract <T,U> CompletableFuture<U> thenCompose
852	>	public abstract <T> CompletableFuture<Void> acceptEither
853		(CompletableFuture<T> f,
854	<	Function<? super T,? extends CompletionStage<U>> a);
855	<	public abstract <T> CompletableFuture<T> whenComplete
854	>	CompletionStage<? extends T> g,
855	>	Consumer<? super T> a);
856	>	public abstract <T,U> CompletableFuture<U> applyToEither
857		(CompletableFuture<T> f,
858	<	BiConsumer<? super T,? super Throwable> a);
859	<
654	<
858	>	CompletionStage<? extends T> g,
859	>	Function<? super T,U> a);
860		}
861
862		/**
863	<	* exceptionally action completes with function value on source
864	<	* exception; otherwise with source value
863	>	* exceptionally action is not invoked when source completes
864	>	* normally, and source result is propagated
865		*/
866	<	public void testExceptionally() {
867	<	CompletableFuture<Integer> f = new CompletableFuture<>();
868	<	ExceptionToInteger r = new ExceptionToInteger();
869	<	CompletableFuture<Integer> g = f.exceptionally(r);
870	<	f.completeExceptionally(new CFException());
871	<	checkCompletedNormally(g, three);
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	<	f = new CompletableFuture<>();
882	<	r = new ExceptionToInteger();
883	<	g = f.exceptionally(r);
884	<	f.complete(one);
672	<	checkCompletedNormally(g, one);
673	<	}
881	>	checkCompletedNormally(g, v1);
882	>	checkCompletedNormally(f, v1);
883	>	assertEquals(0, a.get());
884	>	}}
885
886		/**
887	<	* handle action completes normally with function value on either
888	<	* normal or exceptional completion of source
887	>	* exceptionally action completes with function value on source
888	>	* exception
889		*/
890	<	public void testHandle() {
891	<	CompletableFuture<Integer> f, g;
892	<	IntegerHandler r;
893	<
894	<	f = new CompletableFuture<>();
895	<	f.completeExceptionally(new CFException());
896	<	g = f.handle(r = new IntegerHandler());
897	<	assertTrue(r.ran);
898	<	checkCompletedNormally(g, three);
899	<
900	<	f = new CompletableFuture<>();
901	<	g = f.handle(r = new IntegerHandler());
902	<	assertFalse(r.ran);
903	<	f.completeExceptionally(new CFException());
904	<	checkCompletedNormally(g, three);
905	<	assertTrue(r.ran);
695	<
696	<	f = new CompletableFuture<>();
697	<	f.complete(one);
698	<	g = f.handle(r = new IntegerHandler());
699	<	assertTrue(r.ran);
700	<	checkCompletedNormally(g, two);
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	<	f = new CompletableFuture<>();
908	<	g = f.handle(r = new IntegerHandler());
909	<	assertFalse(r.ran);
705	<	f.complete(one);
706	<	assertTrue(r.ran);
707	<	checkCompletedNormally(g, two);
708	<	}
907	>	checkCompletedNormally(g, v1);
908	>	assertEquals(1, a.get());
909	>	}}
910
911		/**
912	<	* runAsync completes after running Runnable
912	>	* If an "exceptionally action" throws an exception, it completes
913	>	* exceptionally with that exception
914		*/
915	<	public void testRunAsync() {
916	<	Noop r = new Noop();
917	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
918	<	assertNull(f.join());
919	<	assertTrue(r.ran);
920	<	checkCompletedNormally(f, null);
921	<	}
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		/**
938	<	* runAsync with executor completes after running Runnable
938	>	* whenComplete action executes on normal completion, propagating
939	>	* source result.
940		*/
941	<	public void testRunAsync2() {
942	<	Noop r = new Noop();
943	<	ThreadExecutor exec = new ThreadExecutor();
944	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
945	<	assertNull(f.join());
946	<	assertTrue(r.ran);
947	<	checkCompletedNormally(f, null);
948	<	assertEquals(1, exec.count.get());
949	<	}
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	<	/**
960	<	* failing runAsync completes exceptionally after running Runnable
961	<	*/
962	<	public void testRunAsync3() {
738	<	FailingNoop r = new FailingNoop();
739	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
740	<	checkCompletedWithWrappedCFException(f);
741	<	assertTrue(r.ran);
742	<	}
959	>	checkCompletedNormally(g, v1);
960	>	checkCompletedNormally(f, v1);
961	>	assertEquals(1, a.get());
962	>	}}
963
964		/**
965	<	* supplyAsync completes with result of supplier
965	>	* whenComplete action executes on exceptional completion, propagating
966	>	* source result.
967		*/
968	<	public void testSupplyAsync() {
969	<	CompletableFuture<Integer> f;
970	<	f = CompletableFuture.supplyAsync(supplyOne);
971	<	assertEquals(f.join(), one);
972	<	checkCompletedNormally(f, one);
973	<	}
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	<	* supplyAsync with executor completes with result of supplier
992	>	* whenComplete action executes on cancelled source, propagating
993	>	* CancellationException.
994		*/
995	<	public void testSupplyAsync2() {
996	<	CompletableFuture<Integer> f;
997	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
998	<	assertEquals(f.join(), one);
999	<	checkCompletedNormally(f, one);
1000	<	}
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	>	checkCompletedWithWrappedCancellationException(g);
1014	>	checkCancelled(f);
1015	>	assertEquals(1, a.get());
1016	>	}}
1017
1018		/**
1019	<	* Failing supplyAsync completes exceptionally
1019	>	* If a whenComplete action throws an exception when triggered by
1020	>	* a normal completion, it completes exceptionally
1021		*/
1022	<	public void testSupplyAsync3() {
1023	<	FailingSupplier r = new FailingSupplier();
1024	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1025	<	checkCompletedWithWrappedCFException(f);
1026	<	assertTrue(r.ran);
1027	<	}
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	<	// seq completion methods
1042	>	checkCompletedWithWrappedException(g, ex);
1043	>	checkCompletedNormally(f, v1);
1044	>	assertEquals(1, a.get());
1045	>	}}
1046
1047		/**
1048	<	* thenRun result completes normally after normal completion of source
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 testThenRun() {
1053	<	CompletableFuture<Integer> f;
1054	<	CompletableFuture<Void> g;
1055	<	Noop r;
1056	<
1057	<	f = new CompletableFuture<>();
1058	<	g = f.thenRun(r = new Noop());
1059	<	f.complete(null);
1060	<	checkCompletedNormally(g, null);
1061	<	assertTrue(r.ran);
1062	<
1063	<	f = new CompletableFuture<>();
1064	<	f.complete(null);
1065	<	g = f.thenRun(r = new Noop());
1066	<	checkCompletedNormally(g, null);
1067	<	assertTrue(r.ran);
1068	<	}
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		/**
1083	<	* thenRun result completes exceptionally after exceptional
1083	>	* handle action completes normally with function value on normal
1084		* completion of source
1085		*/
1086	<	public void testThenRun2() {
1087	<	CompletableFuture<Integer> f;
1088	<	CompletableFuture<Void> g;
1089	<	Noop r;
1090	<
1091	<	f = new CompletableFuture<>();
1092	<	g = f.thenRun(r = new Noop());
1093	<	f.completeExceptionally(new CFException());
1094	<	checkCompletedWithWrappedCFException(g);
1095	<	assertFalse(r.ran);
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	<	f = new CompletableFuture<>();
1106	<	f.completeExceptionally(new CFException());
1107	<	g = f.thenRun(r = new Noop());
1108	<	checkCompletedWithWrappedCFException(g);
816	<	assertFalse(r.ran);
817	<	}
1105	>	checkCompletedNormally(g, inc(v1));
1106	>	checkCompletedNormally(f, v1);
1107	>	assertEquals(1, a.get());
1108	>	}}
1109
1110		/**
1111	<	* thenRun result completes exceptionally if action does
1111	>	* handle action completes normally with function value on
1112	>	* exceptional completion of source
1113		*/
1114	<	public void testThenRun3() {
1115	<	CompletableFuture<Integer> f;
1116	<	CompletableFuture<Void> g;
1117	<	FailingNoop r;
1118	<
1119	<	f = new CompletableFuture<>();
1120	<	g = f.thenRun(r = new FailingNoop());
1121	<	f.complete(null);
1122	<	checkCompletedWithWrappedCFException(g);
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	<	f = new CompletableFuture<>();
1135	<	f.complete(null);
1136	<	g = f.thenRun(r = new FailingNoop());
1137	<	checkCompletedWithWrappedCFException(g);
836	<	}
1134	>	checkCompletedNormally(g, v1);
1135	>	checkCompletedExceptionally(f, ex);
1136	>	assertEquals(1, a.get());
1137	>	}}
1138
1139		/**
1140	<	* thenRun result completes exceptionally if source cancelled
1140	>	* handle action completes normally with function value on
1141	>	* cancelled source
1142		*/
1143	<	public void testThenRun4() {
1144	<	CompletableFuture<Integer> f;
1145	<	CompletableFuture<Void> g;
1146	<	Noop r;
1147	<
1148	<	f = new CompletableFuture<>();
1149	<	g = f.thenRun(r = new Noop());
1150	<	assertTrue(f.cancel(true));
1151	<	checkCompletedWithWrappedCancellationException(g);
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	<	f = new CompletableFuture<>();
1164	<	assertTrue(f.cancel(true));
1165	<	g = f.thenRun(r = new Noop());
1166	<	checkCompletedWithWrappedCancellationException(g);
855	<	}
1163	>	checkCompletedNormally(g, v1);
1164	>	checkCancelled(f);
1165	>	assertEquals(1, a.get());
1166	>	}}
1167
1168		/**
1169	<	* thenApply result completes normally after normal completion of source
1169	>	* If a "handle action" throws an exception when triggered by
1170	>	* a normal completion, it completes exceptionally
1171		*/
1172	<	public void testThenApply() {
1173	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1174	<	CompletableFuture<Integer> g = f.thenApply(inc);
1175	<	f.complete(one);
1176	<	checkCompletedNormally(g, two);
1177	<	}
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	<	* thenApply result completes exceptionally after exceptional
869	<	* completion of source
1229	>	* runAsync completes after running Runnable
1230		*/
1231	<	public void testThenApply2() {
1232	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1233	<	CompletableFuture<Integer> g = f.thenApply(inc);
1234	<	f.completeExceptionally(new CFException());
1235	<	checkCompletedWithWrappedCFException(g);
1236	<	}
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());
1241	>	checkCompletedNormally(f, null);
1242	>	r.assertInvoked();
1243	>	}}
1244
1245		/**
1246	<	* thenApply result completes exceptionally if action does
1246	>	* failing runAsync completes exceptionally after running Runnable
1247		*/
1248	<	public void testThenApply3() {
1249	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1250	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1251	<	f.complete(one);
1252	<	checkCompletedWithWrappedCFException(g);
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	<	/**
889	<	* thenApply result completes exceptionally if source cancelled
890	<	*/
891	<	public void testThenApply4() {
892	<	CompletableFuture<Integer> f = new CompletableFuture<>();
893	<	CompletableFuture<Integer> g = f.thenApply(inc);
894	<	assertTrue(f.cancel(true));
895	<	checkCompletedWithWrappedCancellationException(g);
1271	>	assertEquals(1, e.count.get());
1272		}
1273
1274		/**
1275	<	* thenAccept result completes normally after normal completion of source
1275	>	* supplyAsync completes with result of supplier
1276		*/
1277	<	public void testThenAccept() {
1278	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1279	<	IncAction r = new IncAction();
1280	<	CompletableFuture<Void> g = f.thenAccept(r);
1281	<	f.complete(one);
1282	<	checkCompletedNormally(g, null);
1283	<	assertEquals(r.value, (Integer) 2);
1284	<	}
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	<	* thenAccept result completes exceptionally after exceptional
912	<	* completion of source
1293	>	* Failing supplyAsync completes exceptionally
1294		*/
1295	<	public void testThenAccept2() {
1296	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1297	<	IncAction r = new IncAction();
1298	<	CompletableFuture<Void> g = f.thenAccept(r);
1299	<	f.completeExceptionally(new CFException());
1300	<	checkCompletedWithWrappedCFException(g);
1301	<	}
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	<	/**
923	<	* thenAccept result completes exceptionally if action does
924	<	*/
925	<	public void testThenAccept3() {
926	<	CompletableFuture<Integer> f = new CompletableFuture<>();
927	<	FailingConsumer r = new FailingConsumer();
928	<	CompletableFuture<Void> g = f.thenAccept(r);
929	<	f.complete(one);
930	<	checkCompletedWithWrappedCFException(g);
931	<	assertTrue(r.ran);
1318	>	assertEquals(1, e.count.get());
1319		}
1320
1321	<	/**
935	<	* thenAccept result completes exceptionally if source cancelled
936	<	*/
937	<	public void testThenAccept4() {
938	<	CompletableFuture<Integer> f = new CompletableFuture<>();
939	<	IncAction r = new IncAction();
940	<	CompletableFuture<Void> g = f.thenAccept(r);
941	<	assertTrue(f.cancel(true));
942	<	checkCompletedWithWrappedCancellationException(g);
943	<	}
1321	>	// seq completion methods
1322
1323		/**
1324	<	* thenCombine result completes normally after normal completion
947	<	* of sources
1324	>	* thenRun result completes normally after normal completion of source
1325		*/
1326	<	public void testThenCombine_normalCompletion1() {
1326	>	public void testThenRun_normalCompletion() {
1327		for (ExecutionMode m : ExecutionMode.values())
1328		for (Integer v1 : new Integer[] { 1, null })
1329	<	for (Integer v2 : new Integer[] { 2, null }) {
953	<
1329	>	{
1330		final CompletableFuture<Integer> f = new CompletableFuture<>();
1331	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1332	<	final SubtractFunction r = new SubtractFunction();
957	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1331	>	final Noop[] rs = new Noop[6];
1332	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1333
1334	<	f.complete(v1);
1335	<	checkIncomplete(h);
1336	<	assertEquals(r.invocationCount, 0);
1337	<	g.complete(v2);
1338	<
1339	<	checkCompletedNormally(h, subtract(v1, v2));
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	<	checkCompletedNormally(g, v2);
1353	<	assertEquals(r.invocationCount, 1);
968	<	}
969	<	}
970	<
971	<	public void testThenCombine_normalCompletion2() {
972	<	for (ExecutionMode m : ExecutionMode.values())
973	<	for (Integer v1 : new Integer[] { 1, null })
974	<	for (Integer v2 : new Integer[] { 2, null }) {
975	<
976	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
977	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
978	<	final SubtractFunction r = new SubtractFunction();
979	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
980	<
981	<	g.complete(v2);
982	<	checkIncomplete(h);
983	<	assertEquals(r.invocationCount, 0);
984	<	f.complete(v1);
985	<
986	<	checkCompletedNormally(h, subtract(v1, v2));
987	<	checkCompletedNormally(f, v1);
988	<	checkCompletedNormally(g, v2);
989	<	assertEquals(r.invocationCount, 1);
990	<	}
991	<	}
992	<
993	<	public void testThenCombine_normalCompletion3() {
994	<	for (ExecutionMode m : ExecutionMode.values())
995	<	for (Integer v1 : new Integer[] { 1, null })
996	<	for (Integer v2 : new Integer[] { 2, null }) {
997	<
998	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
999	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1000	<	final SubtractFunction r = new SubtractFunction();
1001	<
1002	<	g.complete(v2);
1003	<	f.complete(v1);
1004	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1005	<
1006	<	checkCompletedNormally(h, subtract(v1, v2));
1007	<	checkCompletedNormally(f, v1);
1008	<	checkCompletedNormally(g, v2);
1009	<	assertEquals(r.invocationCount, 1);
1010	<	}
1011	<	}
1012	<
1013	<	public void testThenCombine_normalCompletion4() {
1014	<	for (ExecutionMode m : ExecutionMode.values())
1015	<	for (Integer v1 : new Integer[] { 1, null })
1016	<	for (Integer v2 : new Integer[] { 2, null }) {
1017	<
1018	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1019	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1020	<	final SubtractFunction r = new SubtractFunction();
1021	<
1022	<	f.complete(v1);
1023	<	g.complete(v2);
1024	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1025	<
1026	<	checkCompletedNormally(h, subtract(v1, v2));
1027	<	checkCompletedNormally(f, v1);
1028	<	checkCompletedNormally(g, v2);
1029	<	assertEquals(r.invocationCount, 1);
1030	<	}
1031	<	}
1352	>	for (Noop r : rs) r.assertInvoked();
1353	>	}}
1354
1355		/**
1356	<	* thenCombine result completes exceptionally after exceptional
1357	<	* completion of either source
1356	>	* thenRun result completes exceptionally after exceptional
1357	>	* completion of source
1358		*/
1359	<	public void testThenCombine_exceptionalCompletion1() {
1038	<	for (ExecutionMode m : ExecutionMode.values())
1039	<	for (Integer v1 : new Integer[] { 1, null }) {
1040	<
1041	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1042	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1043	<	final SubtractFunction r = new SubtractFunction();
1044	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1045	<	final CFException ex = new CFException();
1046	<
1047	<	f.completeExceptionally(ex);
1048	<	checkIncomplete(h);
1049	<	g.complete(v1);
1050	<
1051	<	checkCompletedWithWrappedCFException(h, ex);
1052	<	checkCompletedWithWrappedCFException(f, ex);
1053	<	assertEquals(r.invocationCount, 0);
1054	<	checkCompletedNormally(g, v1);
1055	<	}
1056	<	}
1057	<
1058	<	public void testThenCombine_exceptionalCompletion2() {
1359	>	public void testThenRun_exceptionalCompletion() {
1360		for (ExecutionMode m : ExecutionMode.values())
1361	<	for (Integer v1 : new Integer[] { 1, null }) {
1061	<
1062	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1063	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1064	<	final SubtractFunction r = new SubtractFunction();
1065	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1361	>	{
1362		final CFException ex = new CFException();
1067	–
1068	–	g.completeExceptionally(ex);
1069	–	checkIncomplete(h);
1070	–	f.complete(v1);
1071	–
1072	–	checkCompletedWithWrappedCFException(h, ex);
1073	–	checkCompletedWithWrappedCFException(g, ex);
1074	–	assertEquals(r.invocationCount, 0);
1075	–	checkCompletedNormally(f, v1);
1076	–	}
1077	–	}
1078	–
1079	–	public void testThenCombine_exceptionalCompletion3() {
1080	–	for (ExecutionMode m : ExecutionMode.values())
1081	–	for (Integer v1 : new Integer[] { 1, null }) {
1082	–
1363		final CompletableFuture<Integer> f = new CompletableFuture<>();
1364	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1365	<	final SubtractFunction r = new SubtractFunction();
1086	<	final CFException ex = new CFException();
1087	<
1088	<	g.completeExceptionally(ex);
1089	<	f.complete(v1);
1090	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1364	>	final Noop[] rs = new Noop[6];
1365	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1366
1367	<	checkCompletedWithWrappedCFException(h, ex);
1368	<	checkCompletedWithWrappedCFException(g, ex);
1369	<	assertEquals(r.invocationCount, 0);
1370	<	checkCompletedNormally(f, v1);
1371	<	}
1372	<	}
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	<	public void testThenCombine_exceptionalCompletion4() {
1388	>	/**
1389	>	* thenRun result completes exceptionally if source cancelled
1390	>	*/
1391	>	public void testThenRun_sourceCancelled() {
1392		for (ExecutionMode m : ExecutionMode.values())
1393	<	for (Integer v1 : new Integer[] { 1, null }) {
1394	<
1393	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1394	>	{
1395		final CompletableFuture<Integer> f = new CompletableFuture<>();
1396	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1397	<	final SubtractFunction r = new SubtractFunction();
1106	<	final CFException ex = new CFException();
1107	<
1108	<	f.completeExceptionally(ex);
1109	<	g.complete(v1);
1110	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1396	>	final Noop[] rs = new Noop[6];
1397	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1398
1399	<	checkCompletedWithWrappedCFException(h, ex);
1400	<	checkCompletedWithWrappedCFException(f, ex);
1401	<	assertEquals(r.invocationCount, 0);
1402	<	checkCompletedNormally(g, v1);
1403	<	}
1404	<	}
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	<	* thenCombine result completes exceptionally if action does
1421	>	* thenRun result completes exceptionally if action does
1422		*/
1423	<	public void testThenCombine_actionFailed1() {
1423	>	public void testThenRun_actionFailed() {
1424		for (ExecutionMode m : ExecutionMode.values())
1425		for (Integer v1 : new Integer[] { 1, null })
1426	<	for (Integer v2 : new Integer[] { 2, null }) {
1126	<
1426	>	{
1427		final CompletableFuture<Integer> f = new CompletableFuture<>();
1428	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1429	<	final FailingBiFunction r = new FailingBiFunction();
1130	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1131	<
1132	<	f.complete(v1);
1133	<	checkIncomplete(h);
1134	<	g.complete(v2);
1428	>	final FailingRunnable[] rs = new FailingRunnable[6];
1429	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1430
1431	<	checkCompletedWithWrappedCFException(h);
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	<	checkCompletedNormally(g, v2);
1139	<	}
1140	<	}
1446	>	}}
1447
1448	<	public void testThenCombine_actionFailed2() {
1448	>	/**
1449	>	* thenApply result completes normally after normal completion of source
1450	>	*/
1451	>	public void testThenApply_normalCompletion() {
1452		for (ExecutionMode m : ExecutionMode.values())
1453		for (Integer v1 : new Integer[] { 1, null })
1454	<	for (Integer v2 : new Integer[] { 2, null }) {
1146	<
1454	>	{
1455		final CompletableFuture<Integer> f = new CompletableFuture<>();
1456	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1457	<	final FailingBiFunction r = new FailingBiFunction();
1150	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1151	<
1152	<	g.complete(v2);
1153	<	checkIncomplete(h);
1154	<	f.complete(v1);
1456	>	final IncFunction[] rs = new IncFunction[4];
1457	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1458
1459	<	checkCompletedWithWrappedCFException(h);
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	<	checkCompletedNormally(g, v2);
1473	<	}
1160	<	}
1472	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1473	>	}}
1474
1475		/**
1476	<	* thenCombine result completes exceptionally if either source cancelled
1476	>	* thenApply result completes exceptionally after exceptional
1477	>	* completion of source
1478		*/
1479	<	public void testThenCombine_sourceCancelled1() {
1479	>	public void testThenApply_exceptionalCompletion() {
1480		for (ExecutionMode m : ExecutionMode.values())
1481	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1482	<	for (Integer v1 : new Integer[] { 1, null }) {
1169	<
1170	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1171	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1172	<	final SubtractFunction r = new SubtractFunction();
1173	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1174	<
1175	<	assertTrue(f.cancel(mayInterruptIfRunning));
1176	<	checkIncomplete(h);
1177	<	g.complete(v1);
1178	<
1179	<	checkCompletedWithWrappedCancellationException(h);
1180	<	checkCancelled(f);
1181	<	assertEquals(r.invocationCount, 0);
1182	<	checkCompletedNormally(g, v1);
1183	<	}
1184	<	}
1185	<
1186	<	public void testThenCombine_sourceCancelled2() {
1187	<	for (ExecutionMode m : ExecutionMode.values())
1188	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1189	<	for (Integer v1 : new Integer[] { 1, null }) {
1190	<
1481	>	{
1482	>	final CFException ex = new CFException();
1483		final CompletableFuture<Integer> f = new CompletableFuture<>();
1484	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1485	<	final SubtractFunction r = new SubtractFunction();
1194	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1195	<
1196	<	assertTrue(g.cancel(mayInterruptIfRunning));
1197	<	checkIncomplete(h);
1198	<	f.complete(v1);
1199	<
1200	<	checkCompletedWithWrappedCancellationException(h);
1201	<	checkCancelled(g);
1202	<	assertEquals(r.invocationCount, 0);
1203	<	checkCompletedNormally(f, v1);
1204	<	}
1205	<	}
1206	<
1207	<	public void testThenCombine_sourceCancelled3() {
1208	<	for (ExecutionMode m : ExecutionMode.values())
1209	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1210	<	for (Integer v1 : new Integer[] { 1, null }) {
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> f = new CompletableFuture<>();
1488	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1489	<	final SubtractFunction r = new SubtractFunction();
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	<	assertTrue(g.cancel(mayInterruptIfRunning));
1502	<	f.complete(v1);
1503	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1504	<
1220	<	checkCompletedWithWrappedCancellationException(h);
1221	<	checkCancelled(g);
1222	<	assertEquals(r.invocationCount, 0);
1223	<	checkCompletedNormally(f, v1);
1224	<	}
1225	<	}
1226	<
1227	<	public void testThenCombine_sourceCancelled4() {
1501	>	/**
1502	>	* thenApply result completes exceptionally if source cancelled
1503	>	*/
1504	>	public void testThenApply_sourceCancelled() {
1505		for (ExecutionMode m : ExecutionMode.values())
1506		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1507	<	for (Integer v1 : new Integer[] { 1, null }) {
1231	<
1507	>	{
1508		final CompletableFuture<Integer> f = new CompletableFuture<>();
1509	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1510	<	final SubtractFunction r = new SubtractFunction();
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	<	g.complete(v1);
1516	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1515	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1516	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1517
1518	<	checkCompletedWithWrappedCancellationException(h);
1518	>	checkCompletedWithWrappedCancellationException(h0);
1519	>	checkCompletedWithWrappedCancellationException(h1);
1520	>	checkCompletedWithWrappedCancellationException(h2);
1521	>	checkCompletedWithWrappedCancellationException(h3);
1522		checkCancelled(f);
1523	<	assertEquals(r.invocationCount, 0);
1524	<	checkCompletedNormally(g, v1);
1244	<	}
1245	<	}
1523	>	for (IncFunction r : rs) r.assertNotInvoked();
1524	>	}}
1525
1526		/**
1527	<	* thenAcceptBoth result completes normally after normal
1249	<	* completion of sources
1527	>	* thenApply result completes exceptionally if action does
1528		*/
1529	<	public void testThenAcceptBoth_normalCompletion1() {
1252	<	for (ExecutionMode m : ExecutionMode.values())
1253	<	for (Integer v1 : new Integer[] { 1, null })
1254	<	for (Integer v2 : new Integer[] { 2, null }) {
1255	<
1256	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1257	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1258	<	final SubtractAction r = new SubtractAction();
1259	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1260	<
1261	<	f.complete(v1);
1262	<	checkIncomplete(h);
1263	<	assertFalse(r.ran());
1264	<	g.complete(v2);
1265	<
1266	<	checkCompletedNormally(h, null);
1267	<	assertEquals(r.value, subtract(v1, v2));
1268	<	checkCompletedNormally(f, v1);
1269	<	checkCompletedNormally(g, v2);
1270	<	}
1271	<	}
1272	<
1273	<	public void testThenAcceptBoth_normalCompletion2() {
1529	>	public void testThenApply_actionFailed() {
1530		for (ExecutionMode m : ExecutionMode.values())
1531		for (Integer v1 : new Integer[] { 1, null })
1532	<	for (Integer v2 : new Integer[] { 2, null }) {
1277	<
1532	>	{
1533		final CompletableFuture<Integer> f = new CompletableFuture<>();
1534	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1535	<	final SubtractAction r = new SubtractAction();
1281	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1534	>	final FailingFunction[] rs = new FailingFunction[4];
1535	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1536
1537	<	g.complete(v2);
1538	<	checkIncomplete(h);
1539	<	assertFalse(r.ran());
1540	<	f.complete(v1);
1541	<
1542	<	checkCompletedNormally(h, null);
1543	<	assertEquals(r.value, subtract(v1, v2));
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	<	checkCompletedNormally(g, v2);
1292	<	}
1293	<	}
1548	>	}}
1549
1550	<	public void testThenAcceptBoth_normalCompletion3() {
1550	>	/**
1551	>	* thenAccept result completes normally after normal completion of source
1552	>	*/
1553	>	public void testThenAccept_normalCompletion() {
1554		for (ExecutionMode m : ExecutionMode.values())
1555		for (Integer v1 : new Integer[] { 1, null })
1556	<	for (Integer v2 : new Integer[] { 2, null }) {
1299	<
1556	>	{
1557		final CompletableFuture<Integer> f = new CompletableFuture<>();
1558	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1559	<	final SubtractAction r = new SubtractAction();
1558	>	final NoopConsumer[] rs = new NoopConsumer[4];
1559	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1560
1561	<	g.complete(v2);
1562	<	f.complete(v1);
1563	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1564	<
1565	<	checkCompletedNormally(h, null);
1566	<	assertEquals(r.value, subtract(v1, v2));
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	<	checkCompletedNormally(g, v2);
1575	<	}
1313	<	}
1314	<
1315	<	public void testThenAcceptBoth_normalCompletion4() {
1316	<	for (ExecutionMode m : ExecutionMode.values())
1317	<	for (Integer v1 : new Integer[] { 1, null })
1318	<	for (Integer v2 : new Integer[] { 2, null }) {
1319	<
1320	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1321	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1322	<	final SubtractAction r = new SubtractAction();
1323	<
1324	<	f.complete(v1);
1325	<	g.complete(v2);
1326	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1327	<
1328	<	checkCompletedNormally(h, null);
1329	<	assertEquals(r.value, subtract(v1, v2));
1330	<	checkCompletedNormally(f, v1);
1331	<	checkCompletedNormally(g, v2);
1332	<	}
1333	<	}
1574	>	for (NoopConsumer r : rs) r.assertValue(v1);
1575	>	}}
1576
1577		/**
1578	<	* thenAcceptBoth result completes exceptionally after exceptional
1579	<	* completion of either source
1578	>	* thenAccept result completes exceptionally after exceptional
1579	>	* completion of source
1580		*/
1581	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1581	>	public void testThenAccept_exceptionalCompletion() {
1582		for (ExecutionMode m : ExecutionMode.values())
1583	<	for (Integer v1 : new Integer[] { 1, null }) {
1342	<
1343	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1344	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1345	<	final SubtractAction r = new SubtractAction();
1346	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1583	>	{
1584		final CFException ex = new CFException();
1348	–
1349	–	f.completeExceptionally(ex);
1350	–	checkIncomplete(h);
1351	–	g.complete(v1);
1352	–
1353	–	checkCompletedWithWrappedCFException(h, ex);
1354	–	checkCompletedWithWrappedCFException(f, ex);
1355	–	assertEquals(r.invocationCount, 0);
1356	–	checkCompletedNormally(g, v1);
1357	–	}
1358	–	}
1359	–
1360	–	public void testThenAcceptBoth_exceptionalCompletion2() {
1361	–	for (ExecutionMode m : ExecutionMode.values())
1362	–	for (Integer v1 : new Integer[] { 1, null }) {
1363	–
1585		final CompletableFuture<Integer> f = new CompletableFuture<>();
1586	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1587	<	final SubtractAction r = new SubtractAction();
1367	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1368	<	final CFException ex = new CFException();
1369	<
1370	<	g.completeExceptionally(ex);
1371	<	checkIncomplete(h);
1372	<	f.complete(v1);
1373	<
1374	<	checkCompletedWithWrappedCFException(h, ex);
1375	<	checkCompletedWithWrappedCFException(g, ex);
1376	<	assertEquals(r.invocationCount, 0);
1377	<	checkCompletedNormally(f, v1);
1378	<	}
1379	<	}
1586	>	final NoopConsumer[] rs = new NoopConsumer[4];
1587	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1588
1589	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1590	<	for (ExecutionMode m : ExecutionMode.values())
1591	<	for (Integer v1 : new Integer[] { 1, null }) {
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	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1604	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1605	<	final SubtractAction r = new SubtractAction();
1606	<	final CFException ex = new CFException();
1389	<
1390	<	g.completeExceptionally(ex);
1391	<	f.complete(v1);
1392	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1393	<
1394	<	checkCompletedWithWrappedCFException(h, ex);
1395	<	checkCompletedWithWrappedCFException(g, ex);
1396	<	assertEquals(r.invocationCount, 0);
1397	<	checkCompletedNormally(f, v1);
1398	<	}
1399	<	}
1400	<
1401	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1603	>	/**
1604	>	* thenAccept result completes exceptionally if source cancelled
1605	>	*/
1606	>	public void testThenAccept_sourceCancelled() {
1607		for (ExecutionMode m : ExecutionMode.values())
1608	<	for (Integer v1 : new Integer[] { 1, null }) {
1609	<
1608	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1609	>	{
1610		final CompletableFuture<Integer> f = new CompletableFuture<>();
1611	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1612	<	final SubtractAction r = new SubtractAction();
1408	<	final CFException ex = new CFException();
1611	>	final NoopConsumer[] rs = new NoopConsumer[4];
1612	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1613
1614	<	f.completeExceptionally(ex);
1615	<	g.complete(v1);
1616	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
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	<	checkCompletedWithWrappedCFException(h, ex);
1621	<	checkCompletedWithWrappedCFException(f, ex);
1622	<	assertFalse(r.ran());
1623	<	checkCompletedNormally(g, v1);
1624	<	}
1625	<	}
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	<	* thenAcceptBoth result completes exceptionally if action does
1629	>	* thenAccept result completes exceptionally if action does
1630		*/
1631	<	public void testThenAcceptBoth_actionFailed1() {
1631	>	public void testThenAccept_actionFailed() {
1632		for (ExecutionMode m : ExecutionMode.values())
1633		for (Integer v1 : new Integer[] { 1, null })
1634	<	for (Integer v2 : new Integer[] { 2, null }) {
1428	<
1634	>	{
1635		final CompletableFuture<Integer> f = new CompletableFuture<>();
1636	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1637	<	final FailingBiConsumer r = new FailingBiConsumer();
1432	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1433	<
1434	<	f.complete(v1);
1435	<	checkIncomplete(h);
1436	<	g.complete(v2);
1636	>	final FailingConsumer[] rs = new FailingConsumer[4];
1637	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1638
1639	<	checkCompletedWithWrappedCFException(h);
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	<	checkCompletedNormally(g, v2);
1441	<	}
1442	<	}
1650	>	}}
1651
1652	<	public void testThenAcceptBoth_actionFailed2() {
1652	>	/**
1653	>	* thenCombine result completes normally after normal completion
1654	>	* of sources
1655	>	*/
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	<
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 FailingBiConsumer r = new FailingBiConsumer();
1665	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1664	>	final SubtractFunction[] rs = new SubtractFunction[6];
1665	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1666
1667	<	g.complete(v2);
1668	<	checkIncomplete(h);
1669	<	f.complete(v1);
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
1458	–	checkCompletedWithWrappedCFException(h);
1693		checkCompletedNormally(f, v1);
1694		checkCompletedNormally(g, v2);
1695	<	}
1462	<	}
1695	>	}}
1696
1697		/**
1698	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1698	>	* thenCombine result completes exceptionally after exceptional
1699	>	* completion of either source
1700		*/
1701	<	public void testThenAcceptBoth_sourceCancelled1() {
1468	<	for (ExecutionMode m : ExecutionMode.values())
1469	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1470	<	for (Integer v1 : new Integer[] { 1, null }) {
1471	<
1472	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1473	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1474	<	final SubtractAction r = new SubtractAction();
1475	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1476	<
1477	<	assertTrue(f.cancel(mayInterruptIfRunning));
1478	<	checkIncomplete(h);
1479	<	g.complete(v1);
1480	<
1481	<	checkCompletedWithWrappedCancellationException(h);
1482	<	checkCancelled(f);
1483	<	assertEquals(r.invocationCount, 0);
1484	<	checkCompletedNormally(g, v1);
1485	<	}
1486	<	}
1487	<
1488	<	public void testThenAcceptBoth_sourceCancelled2() {
1489	<	for (ExecutionMode m : ExecutionMode.values())
1490	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1491	<	for (Integer v1 : new Integer[] { 1, null }) {
1492	<
1493	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1494	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1495	<	final SubtractAction r = new SubtractAction();
1496	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1497	<
1498	<	assertTrue(g.cancel(mayInterruptIfRunning));
1499	<	checkIncomplete(h);
1500	<	f.complete(v1);
1501	<
1502	<	checkCompletedWithWrappedCancellationException(h);
1503	<	checkCancelled(g);
1504	<	assertEquals(r.invocationCount, 0);
1505	<	checkCompletedNormally(f, v1);
1506	<	}
1507	<	}
1508	<
1509	<	public void testThenAcceptBoth_sourceCancelled3() {
1701	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1702		for (ExecutionMode m : ExecutionMode.values())
1703	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1704	<	for (Integer v1 : new Integer[] { 1, null }) {
1705	<
1706	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1515	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1516	<	final SubtractAction r = new SubtractAction();
1517	<
1518	<	assertTrue(g.cancel(mayInterruptIfRunning));
1519	<	f.complete(v1);
1520	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1521	<
1522	<	checkCompletedWithWrappedCancellationException(h);
1523	<	checkCancelled(g);
1524	<	assertEquals(r.invocationCount, 0);
1525	<	checkCompletedNormally(f, v1);
1526	<	}
1527	<	}
1528	<
1529	<	public void testThenAcceptBoth_sourceCancelled4() {
1530	<	for (ExecutionMode m : ExecutionMode.values())
1531	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1532	<	for (Integer v1 : new Integer[] { 1, null }) {
1533	<
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 SubtractAction r = new SubtractAction();
1710	<
1711	<	assertTrue(f.cancel(mayInterruptIfRunning));
1712	<	g.complete(v1);
1713	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1714	<
1715	<	checkCompletedWithWrappedCancellationException(h);
1716	<	checkCancelled(f);
1717	<	assertEquals(r.invocationCount, 0);
1718	<	checkCompletedNormally(g, v1);
1719	<	}
1720	<	}
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	<	* runAfterBoth result completes normally after normal
1551	<	* completion of sources
1742	>	* thenCombine result completes exceptionally if either source cancelled
1743		*/
1744	<	public void testRunAfterBoth_normalCompletion1() {
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	<	for (Integer v2 : new Integer[] { 2, null }) {
1557	<
1750	>	{
1751		final CompletableFuture<Integer> f = new CompletableFuture<>();
1752		final CompletableFuture<Integer> g = new CompletableFuture<>();
1753	<	final Noop r = new Noop();
1754	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1755	<
1756	<	f.complete(v1);
1757	<	checkIncomplete(h);
1758	<	assertFalse(r.ran);
1759	<	g.complete(v2);
1760	<
1761	<	checkCompletedNormally(h, null);
1762	<	assertEquals(r.invocationCount, 1);
1763	<	checkCompletedNormally(f, v1);
1764	<	checkCompletedNormally(g, v2);
1765	<	}
1766	<	}
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	<	public void testRunAfterBoth_normalCompletion2() {
1784	>	/**
1785	>	* thenCombine result completes exceptionally if action does
1786	>	*/
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	<
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 Noop r = new Noop();
1796	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1797	<
1798	<	g.complete(v2);
1799	<	checkIncomplete(h);
1800	<	assertFalse(r.ran);
1801	<	f.complete(v1);
1802	<
1803	<	checkCompletedNormally(h, null);
1804	<	assertEquals(r.invocationCount, 1);
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	<	}
1595	<	}
1596	<
1597	<	public void testRunAfterBoth_normalCompletion3() {
1598	<	for (ExecutionMode m : ExecutionMode.values())
1599	<	for (Integer v1 : new Integer[] { 1, null })
1600	<	for (Integer v2 : new Integer[] { 2, null }) {
1601	<
1602	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1603	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1604	<	final Noop r = new Noop();
1605	<
1606	<	g.complete(v2);
1607	<	f.complete(v1);
1608	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1818	>	}}
1819
1820	<	checkCompletedNormally(h, null);
1821	<	assertTrue(r.ran);
1822	<	checkCompletedNormally(f, v1);
1823	<	checkCompletedNormally(g, v2);
1824	<	}
1615	<	}
1616	<
1617	<	public void testRunAfterBoth_normalCompletion4() {
1820	>	/**
1821	>	* thenAcceptBoth result completes normally after normal
1822	>	* completion of sources
1823	>	*/
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	<
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 Noop r = new Noop();
1833	<
1834	<	f.complete(v1);
1835	<	g.complete(v2);
1836	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1837	<
1838	<	checkCompletedNormally(h, null);
1839	<	assertEquals(r.invocationCount, 1);
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	<	}
1635	<	}
1859	>	}}
1860
1861		/**
1862	<	* runAfterBoth result completes exceptionally after exceptional
1862	>	* thenAcceptBoth result completes exceptionally after exceptional
1863		* completion of either source
1864		*/
1865	<	public void testRunAfterBoth_exceptionalCompletion1() {
1642	<	for (ExecutionMode m : ExecutionMode.values())
1643	<	for (Integer v1 : new Integer[] { 1, null }) {
1644	<
1645	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1646	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1647	<	final Noop r = new Noop();
1648	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1649	<	final CFException ex = new CFException();
1650	<
1651	<	f.completeExceptionally(ex);
1652	<	checkIncomplete(h);
1653	<	g.complete(v1);
1654	<
1655	<	checkCompletedWithWrappedCFException(h, ex);
1656	<	checkCompletedWithWrappedCFException(f, ex);
1657	<	assertEquals(r.invocationCount, 0);
1658	<	checkCompletedNormally(g, v1);
1659	<	}
1660	<	}
1661	<
1662	<	public void testRunAfterBoth_exceptionalCompletion2() {
1865	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1866		for (ExecutionMode m : ExecutionMode.values())
1867	<	for (Integer v1 : new Integer[] { 1, null }) {
1868	<
1869	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1870	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1668	<	final Noop r = new Noop();
1669	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1670	<	final CFException ex = new CFException();
1671	<
1672	<	g.completeExceptionally(ex);
1673	<	checkIncomplete(h);
1674	<	f.complete(v1);
1675	<
1676	<	checkCompletedWithWrappedCFException(h, ex);
1677	<	checkCompletedWithWrappedCFException(g, ex);
1678	<	assertEquals(r.invocationCount, 0);
1679	<	checkCompletedNormally(f, v1);
1680	<	}
1681	<	}
1682	<
1683	<	public void testRunAfterBoth_exceptionalCompletion3() {
1684	<	for (ExecutionMode m : ExecutionMode.values())
1685	<	for (Integer v1 : new Integer[] { 1, null }) {
1686	<
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<>();
1689	–	final Noop r = new Noop();
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	<	g.completeExceptionally(ex);
1906	<	f.complete(v1);
1907	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1908	<
1696	<	checkCompletedWithWrappedCFException(h, ex);
1697	<	checkCompletedWithWrappedCFException(g, ex);
1698	<	assertEquals(r.invocationCount, 0);
1699	<	checkCompletedNormally(f, v1);
1700	<	}
1701	<	}
1702	<
1703	<	public void testRunAfterBoth_exceptionalCompletion4() {
1905	>	/**
1906	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1907	>	*/
1908	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1909		for (ExecutionMode m : ExecutionMode.values())
1910	<	for (Integer v1 : new Integer[] { 1, null }) {
1911	<
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 Noop r = new Noop();
1918	<	final CFException ex = new CFException();
1919	<
1920	<	f.completeExceptionally(ex);
1921	<	g.complete(v1);
1922	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1923	<
1924	<	checkCompletedWithWrappedCFException(h, ex);
1925	<	checkCompletedWithWrappedCFException(f, ex);
1926	<	assertEquals(r.invocationCount, 0);
1927	<	checkCompletedNormally(g, v1);
1928	<	}
1929	<	}
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	<	* runAfterBoth result completes exceptionally if action does
1949	>	* thenAcceptBoth result completes exceptionally if action does
1950		*/
1951	<	public void testRunAfterBoth_actionFailed1() {
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	<
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 FailingNoop r = new FailingNoop();
1960	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1961	<
1962	<	f.complete(v1);
1963	<	checkIncomplete(h);
1964	<	g.complete(v2);
1965	<
1966	<	checkCompletedWithWrappedCFException(h);
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	<	}
1744	<	}
1982	>	}}
1983
1984	<	public void testRunAfterBoth_actionFailed2() {
1984	>	/**
1985	>	* runAfterBoth result completes normally after normal
1986	>	* completion of sources
1987	>	*/
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	<
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 FailingNoop r = new FailingNoop();
1997	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1998	<
1999	<	g.complete(v2);
2000	<	checkIncomplete(h);
2001	<	f.complete(v1);
2002	<
2003	<	checkCompletedWithWrappedCFException(h);
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	<	}
1764	<	}
2023	>	}}
2024
2025		/**
2026	<	* runAfterBoth result completes exceptionally if either source cancelled
2026	>	* runAfterBoth result completes exceptionally after exceptional
2027	>	* completion of either source
2028		*/
2029	<	public void testRunAfterBoth_sourceCancelled1() {
1770	<	for (ExecutionMode m : ExecutionMode.values())
1771	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1772	<	for (Integer v1 : new Integer[] { 1, null }) {
1773	<
1774	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1775	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1776	<	final Noop r = new Noop();
1777	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1778	<
1779	<	assertTrue(f.cancel(mayInterruptIfRunning));
1780	<	checkIncomplete(h);
1781	<	g.complete(v1);
1782	<
1783	<	checkCompletedWithWrappedCancellationException(h);
1784	<	checkCancelled(f);
1785	<	assertEquals(r.invocationCount, 0);
1786	<	checkCompletedNormally(g, v1);
1787	<	}
1788	<	}
1789	<
1790	<	public void testRunAfterBoth_sourceCancelled2() {
1791	<	for (ExecutionMode m : ExecutionMode.values())
1792	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1793	<	for (Integer v1 : new Integer[] { 1, null }) {
1794	<
1795	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1796	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1797	<	final Noop r = new Noop();
1798	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1799	<
1800	<	assertTrue(g.cancel(mayInterruptIfRunning));
1801	<	checkIncomplete(h);
1802	<	f.complete(v1);
1803	<
1804	<	checkCompletedWithWrappedCancellationException(h);
1805	<	checkCancelled(g);
1806	<	assertEquals(r.invocationCount, 0);
1807	<	checkCompletedNormally(f, v1);
1808	<	}
1809	<	}
1810	<
1811	<	public void testRunAfterBoth_sourceCancelled3() {
2029	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2030		for (ExecutionMode m : ExecutionMode.values())
2031	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2032	<	for (Integer v1 : new Integer[] { 1, null }) {
2033	<
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 Noop r = new Noop();
2038	<
2039	<	assertTrue(g.cancel(mayInterruptIfRunning));
2040	<	f.complete(v1);
2041	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2042	<
2043	<	checkCompletedWithWrappedCancellationException(h);
2044	<	checkCancelled(g);
2045	<	assertEquals(r.invocationCount, 0);
2046	<	checkCompletedNormally(f, v1);
2047	<	}
2048	<	}
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	<	public void testRunAfterBoth_sourceCancelled4() {
2069	>	/**
2070	>	* runAfterBoth result completes exceptionally if either source cancelled
2071	>	*/
2072	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2073		for (ExecutionMode m : ExecutionMode.values())
2074		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2075	<	for (Integer v1 : new Integer[] { 1, null }) {
2076	<
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 r = new Noop();
2082	<
2083	<	assertTrue(f.cancel(mayInterruptIfRunning));
2084	<	g.complete(v1);
2085	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2086	<
2087	<	checkCompletedWithWrappedCancellationException(h);
2088	<	checkCancelled(f);
2089	<	assertEquals(r.invocationCount, 0);
2090	<	checkCompletedNormally(g, v1);
2091	<	}
2092	<	}
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	<	* applyToEither result completes normally after normal completion
1853	<	* of either source
2113	>	* runAfterBoth result completes exceptionally if action does
2114		*/
2115	<	public void testApplyToEither_normalCompletion1() {
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	<
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 IncFunction r = new IncFunction();
2124	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2125	<
2126	<	f.complete(v1);
2127	<	checkCompletedNormally(h, inc(v1));
2128	<	g.complete(v2);
2129	<
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	<	checkCompletedNormally(h, inc(v1));
1872	<	}
1873	<	}
2146	>	}}
2147
2148	<	public void testApplyToEither_normalCompletion2() {
2148	>	/**
2149	>	* applyToEither result completes normally after normal completion
2150	>	* of either source
2151	>	*/
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	<
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 r = new IncFunction();
2160	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
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);
1886	–	checkCompletedNormally(h, inc(v2));
1887	–	f.complete(v1);
2176
2177	<	checkCompletedNormally(f, v1);
2178	<	checkCompletedNormally(g, v2);
2179	<	checkCompletedNormally(h, inc(v2));
2180	<	}
2181	<	}
2182	<	public void testApplyToEither_normalCompletion3() {
2183	<	for (ExecutionMode m : ExecutionMode.values())
2184	<	for (Integer v1 : new Integer[] { 1, null })
2185	<	for (Integer v2 : new Integer[] { 2, null }) {
1898	<
1899	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1900	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1901	<	final IncFunction r = new IncFunction();
1902	<
1903	<	f.complete(v1);
1904	<	g.complete(v2);
1905	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
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	<
2190	<	// unspecified behavior
2191	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2192	<	Objects.equals(h.join(), inc(v2)));
2193	<	assertEquals(r.invocationCount, 1);
2194	<	}
1915	<	}
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 testApplyToEither_exceptionalCompletion1() {
2200	>	public void testApplyToEither_exceptionalCompletion() {
2201		for (ExecutionMode m : ExecutionMode.values())
2202	<	for (Integer v1 : new Integer[] { 1, null }) {
2203	<
2202	>	for (Integer v1 : new Integer[] { 1, null })
2203	>	{
2204		final CompletableFuture<Integer> f = new CompletableFuture<>();
2205		final CompletableFuture<Integer> g = new CompletableFuture<>();
1927	–	final IncFunction r = new IncFunction();
1928	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
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	<	checkCompletedWithWrappedCFException(h, 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	<	assertEquals(r.invocationCount, 0);
2226	<	checkCompletedNormally(g, v1);
2227	<	checkCompletedWithWrappedCFException(f, ex);
2228	<	checkCompletedWithWrappedCFException(h, ex);
2229	<	}
2230	<	}
2231	<
2232	<	public void testApplyToEither_exceptionalCompletion2() {
2233	<	for (ExecutionMode m : ExecutionMode.values())
1944	<	for (Integer v1 : new Integer[] { 1, null }) {
1945	<
1946	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1947	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1948	<	final IncFunction r = new IncFunction();
1949	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1950	<	final CFException ex = new CFException();
1951	<
1952	<	g.completeExceptionally(ex);
1953	<	checkCompletedWithWrappedCFException(h, ex);
1954	<	f.complete(v1);
1955	<
1956	<	assertEquals(r.invocationCount, 0);
1957	<	checkCompletedNormally(f, v1);
1958	<	checkCompletedWithWrappedCFException(g, ex);
1959	<	checkCompletedWithWrappedCFException(h, ex);
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		}
1961	–	}
1962	–
1963	–	public void testApplyToEither_exceptionalCompletion3() {
1964	–	for (ExecutionMode m : ExecutionMode.values())
1965	–	for (Integer v1 : new Integer[] { 1, null }) {
1966	–
1967	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1968	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1969	–	final IncFunction r = new IncFunction();
1970	–	final CFException ex = new CFException();
1971	–
1972	–	g.completeExceptionally(ex);
1973	–	f.complete(v1);
1974	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1975	–
1976	–	// unspecified behavior
1977	–	Integer v;
2235		try {
2236	<	assertEquals(h.join(), inc(v1));
2237	<	assertEquals(r.invocationCount, 1);
2236	>	assertEquals(inc(v1), h5.join());
2237	>	rs[5].assertValue(inc(v1));
2238		} catch (CompletionException ok) {
2239	<	checkCompletedWithWrappedCFException(h, ex);
2240	<	assertEquals(r.invocationCount, 0);
2239	>	checkCompletedWithWrappedException(h5, ex);
2240	>	rs[5].assertNotInvoked();
2241		}
2242
2243	<	checkCompletedWithWrappedCFException(g, ex);
2244	<	checkCompletedNormally(f, v1);
2245	<	}
2246	<	}
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_exceptionalCompletion4() {
2253	>	public void testApplyToEither_exceptionalCompletion2() {
2254		for (ExecutionMode m : ExecutionMode.values())
2255	<	for (Integer v1 : new Integer[] { 1, null }) {
2256	<
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<>();
1997	–	final IncFunction r = new IncFunction();
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	<	f.completeExceptionally(ex);
2265	<	g.complete(v1);
2266	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
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	<	// unspecified behavior
2005	<	Integer v;
2271	>	// unspecified behavior - both source completions available
2272		try {
2273	<	assertEquals(h.join(), inc(v1));
2274	<	assertEquals(r.invocationCount, 1);
2273	>	assertEquals(inc(v1), h0.join());
2274	>	rs[0].assertValue(inc(v1));
2275		} catch (CompletionException ok) {
2276	<	checkCompletedWithWrappedCFException(h, ex);
2277	<	assertEquals(r.invocationCount, 0);
2276	>	checkCompletedWithWrappedException(h0, ex);
2277	>	rs[0].assertNotInvoked();
2278		}
2279	<
2280	<	checkCompletedWithWrappedCFException(f, ex);
2281	<	checkCompletedNormally(g, v1);
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	<	}
2287	<
2288	<	/**
2289	<	* applyToEither result completes exceptionally if action does
2290	<	*/
2291	<	public void testApplyToEither_actionFailed1() {
2292	<	for (ExecutionMode m : ExecutionMode.values())
2293	<	for (Integer v1 : new Integer[] { 1, null })
2294	<	for (Integer v2 : new Integer[] { 2, null }) {
2295	<
2296	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2297	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2298	<	final FailingFunction r = new FailingFunction();
2030	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2031	<
2032	<	f.complete(v1);
2033	<	checkCompletedWithWrappedCFException(h);
2034	<	g.complete(v2);
2035	<	checkCompletedNormally(f, v1);
2036	<	checkCompletedNormally(g, v2);
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		}
2038	–	}
2039	–
2040	–	public void testApplyToEither_actionFailed2() {
2041	–	for (ExecutionMode m : ExecutionMode.values())
2042	–	for (Integer v1 : new Integer[] { 1, null })
2043	–	for (Integer v2 : new Integer[] { 2, null }) {
2044	–
2045	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2046	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2047	–	final FailingFunction r = new FailingFunction();
2048	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2300
2050	–	g.complete(v2);
2051	–	checkCompletedWithWrappedCFException(h);
2052	–	f.complete(v1);
2301		checkCompletedNormally(f, v1);
2302	<	checkCompletedNormally(g, v2);
2303	<	}
2056	<	}
2302	>	checkCompletedExceptionally(g, ex);
2303	>	}}
2304
2305		/**
2306		* applyToEither result completes exceptionally if either source cancelled
2307		*/
2308	<	public void testApplyToEither_sourceCancelled1() {
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	<
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 r = new IncFunction();
2316	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2315	>	final IncFunction[] rs = new IncFunction[6];
2316	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2317
2318	<	assertTrue(f.cancel(mayInterruptIfRunning));
2319	<	checkCompletedWithWrappedCancellationException(h);
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		checkCancelled(f);
2076	–	assertEquals(r.invocationCount, 0);
2352		checkCompletedNormally(g, v1);
2353	<	checkCompletedWithWrappedCancellationException(h);
2354	<	}
2355	<	}
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 (Integer v1 : new Integer[] { 1, null }) {
2364	<
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 r = new IncFunction();
2369	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2368	>	final IncFunction[] rs = new IncFunction[6];
2369	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2370
2371	<	assertTrue(g.cancel(mayInterruptIfRunning));
2372	<	checkCompletedWithWrappedCancellationException(h);
2373	<	f.complete(v1);
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	<	checkCancelled(g);
2379	<	assertEquals(r.invocationCount, 0);
2380	<	checkCompletedNormally(f, v1);
2381	<	checkCompletedWithWrappedCancellationException(h);
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		}
2101	–	}
2102	–
2103	–	public void testApplyToEither_sourceCancelled3() {
2104	–	for (ExecutionMode m : ExecutionMode.values())
2105	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2106	–	for (Integer v1 : new Integer[] { 1, null }) {
2107	–
2108	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2109	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2110	–	final IncFunction r = new IncFunction();
2111	–
2112	–	assertTrue(g.cancel(mayInterruptIfRunning));
2113	–	f.complete(v1);
2114	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2115	–
2116	–	// unspecified behavior
2117	–	Integer v;
2386		try {
2387	<	assertEquals(h.join(), inc(v1));
2388	<	assertEquals(r.invocationCount, 1);
2387	>	assertEquals(inc(v1), h1.join());
2388	>	rs[1].assertValue(inc(v1));
2389		} catch (CompletionException ok) {
2390	<	checkCompletedWithWrappedCancellationException(h);
2391	<	assertEquals(r.invocationCount, 0);
2390	>	checkCompletedWithWrappedCancellationException(h1);
2391	>	rs[1].assertNotInvoked();
2392		}
2393	<
2394	<	checkCancelled(g);
2395	<	checkCompletedNormally(f, v1);
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		}
2129	–	}
2130	–
2131	–	public void testApplyToEither_sourceCancelled4() {
2132	–	for (ExecutionMode m : ExecutionMode.values())
2133	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2134	–	for (Integer v1 : new Integer[] { 1, null }) {
2135	–
2136	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2137	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2138	–	final IncFunction r = new IncFunction();
2139	–
2140	–	assertTrue(f.cancel(mayInterruptIfRunning));
2141	–	g.complete(v1);
2142	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2143	–
2144	–	// unspecified behavior
2145	–	Integer v;
2400		try {
2401	<	assertEquals(h.join(), inc(v1));
2402	<	assertEquals(r.invocationCount, 1);
2401	>	assertEquals(inc(v1), h3.join());
2402	>	rs[3].assertValue(inc(v1));
2403		} catch (CompletionException ok) {
2404	<	checkCompletedWithWrappedCancellationException(h);
2405	<	assertEquals(r.invocationCount, 0);
2404	>	checkCompletedWithWrappedCancellationException(h3);
2405	>	rs[3].assertNotInvoked();
2406		}
2407
2408	<	checkCancelled(f);
2409	<	checkCompletedNormally(g, v1);
2410	<	}
2157	<	}
2408	>	checkCompletedNormally(f, v1);
2409	>	checkCancelled(g);
2410	>	}}
2411
2412		/**
2413	<	* acceptEither result completes normally after normal completion
2161	<	* of either source
2413	>	* applyToEither result completes exceptionally if action does
2414		*/
2415	<	public void testAcceptEither_normalCompletion1() {
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	<
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 IncAction r = new IncAction();
2423	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
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
2173	–	f.complete(v1);
2174	–	checkCompletedNormally(h, null);
2175	–	assertEquals(r.value, inc(v1));
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	<	checkCompletedNormally(h, null);
2181	<	}
2182	<	}
2451	>	}}
2452
2453	<	public void testAcceptEither_normalCompletion2() {
2453	>	/**
2454	>	* acceptEither result completes normally after normal completion
2455	>	* of either source
2456	>	*/
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	<
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 IncAction r = new IncAction();
2465	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
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);
2195	–	checkCompletedNormally(h, null);
2196	–	assertEquals(r.value, inc(v2));
2197	–	f.complete(v1);
2198	–
2199	–	checkCompletedNormally(f, v1);
2200	–	checkCompletedNormally(g, v2);
2201	–	checkCompletedNormally(h, null);
2202	–	}
2203	–	}
2204	–	public void testAcceptEither_normalCompletion3() {
2205	–	for (ExecutionMode m : ExecutionMode.values())
2206	–	for (Integer v1 : new Integer[] { 1, null })
2207	–	for (Integer v2 : new Integer[] { 2, null }) {
2208	–
2209	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2210	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2211	–	final IncAction r = new IncAction();
2485
2486	<	f.complete(v1);
2487	<	g.complete(v2);
2488	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
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
2217	–	checkCompletedNormally(h, null);
2496		checkCompletedNormally(f, v1);
2497		checkCompletedNormally(g, v2);
2498	<
2499	<	// unspecified behavior
2500	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2501	<	Objects.equals(r.value, inc(v2)));
2502	<	}
2503	<	}
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		* acceptEither result completes exceptionally after exceptional
2507		* completion of either source
2508		*/
2509	<	public void testAcceptEither_exceptionalCompletion1() {
2509	>	public void testAcceptEither_exceptionalCompletion() {
2510		for (ExecutionMode m : ExecutionMode.values())
2511	<	for (Integer v1 : new Integer[] { 1, null }) {
2512	<
2511	>	for (Integer v1 : new Integer[] { 1, null })
2512	>	{
2513		final CompletableFuture<Integer> f = new CompletableFuture<>();
2514		final CompletableFuture<Integer> g = new CompletableFuture<>();
2237	–	final IncAction r = new IncAction();
2238	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
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	<	checkCompletedWithWrappedCFException(h, ex);
2527	<	g.complete(v1);
2528	<
2529	<	assertEquals(r.invocationCount, 0);
2530	<	checkCompletedNormally(g, v1);
2531	<	checkCompletedWithWrappedCFException(f, ex);
2248	<	checkCompletedWithWrappedCFException(h, ex);
2249	<	}
2250	<	}
2251	<
2252	<	public void testAcceptEither_exceptionalCompletion2() {
2253	<	for (ExecutionMode m : ExecutionMode.values())
2254	<	for (Integer v1 : new Integer[] { 1, null }) {
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	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2257	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2258	<	final IncAction r = new IncAction();
2259	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2260	<	final CFException ex = new CFException();
2261	<
2262	<	g.completeExceptionally(ex);
2263	<	checkCompletedWithWrappedCFException(h, ex);
2264	<	f.complete(v1);
2533	>	g.complete(v1);
2534
2535	<	assertEquals(r.invocationCount, 0);
2536	<	checkCompletedNormally(f, v1);
2537	<	checkCompletedWithWrappedCFException(g, ex);
2538	<	checkCompletedWithWrappedCFException(h, ex);
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		}
2271	–	}
2272	–
2273	–	public void testAcceptEither_exceptionalCompletion3() {
2274	–	for (ExecutionMode m : ExecutionMode.values())
2275	–	for (Integer v1 : new Integer[] { 1, null }) {
2276	–
2277	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2278	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2279	–	final IncAction r = new IncAction();
2280	–	final CFException ex = new CFException();
2281	–
2282	–	g.completeExceptionally(ex);
2283	–	f.complete(v1);
2284	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2285	–
2286	–	// unspecified behavior
2287	–	Integer v;
2545		try {
2546	<	assertEquals(h.join(), null);
2547	<	assertEquals(r.invocationCount, 1);
2291	<	assertEquals(inc(v1), r.value);
2546	>	assertNull(h5.join());
2547	>	rs[5].assertValue(v1);
2548		} catch (CompletionException ok) {
2549	<	checkCompletedWithWrappedCFException(h, ex);
2550	<	assertEquals(r.invocationCount, 0);
2549	>	checkCompletedWithWrappedException(h5, ex);
2550	>	rs[5].assertNotInvoked();
2551		}
2552
2553	<	checkCompletedWithWrappedCFException(g, ex);
2554	<	checkCompletedNormally(f, v1);
2555	<	}
2556	<	}
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_exceptionalCompletion4() {
2563	>	public void testAcceptEither_exceptionalCompletion2() {
2564		for (ExecutionMode m : ExecutionMode.values())
2565	<	for (Integer v1 : new Integer[] { 1, null }) {
2566	<
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<>();
2308	–	final IncAction r = new IncAction();
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	<	f.completeExceptionally(ex);
2575	<	g.complete(v1);
2576	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
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	<	// unspecified behavior
2316	<	Integer v;
2581	>	// unspecified behavior - both source completions available
2582		try {
2583	<	assertEquals(h.join(), null);
2584	<	assertEquals(r.invocationCount, 1);
2320	<	assertEquals(inc(v1), r.value);
2583	>	assertNull(h0.join());
2584	>	rs[0].assertValue(v1);
2585		} catch (CompletionException ok) {
2586	<	checkCompletedWithWrappedCFException(h, ex);
2587	<	assertEquals(r.invocationCount, 0);
2586	>	checkCompletedWithWrappedException(h0, ex);
2587	>	rs[0].assertNotInvoked();
2588		}
2589	<
2590	<	checkCompletedWithWrappedCFException(f, ex);
2591	<	checkCompletedNormally(g, v1);
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	<	}
2597	<
2598	<	/**
2599	<	* acceptEither result completes exceptionally if action does
2600	<	*/
2601	<	public void testAcceptEither_actionFailed1() {
2602	<	for (ExecutionMode m : ExecutionMode.values())
2603	<	for (Integer v1 : new Integer[] { 1, null })
2604	<	for (Integer v2 : new Integer[] { 2, null }) {
2605	<
2606	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2607	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2608	<	final FailingConsumer r = new FailingConsumer();
2342	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2343	<
2344	<	f.complete(v1);
2345	<	checkCompletedWithWrappedCFException(h);
2346	<	g.complete(v2);
2347	<	checkCompletedNormally(f, v1);
2348	<	checkCompletedNormally(g, v2);
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		}
2350	–	}
2351	–
2352	–	public void testAcceptEither_actionFailed2() {
2353	–	for (ExecutionMode m : ExecutionMode.values())
2354	–	for (Integer v1 : new Integer[] { 1, null })
2355	–	for (Integer v2 : new Integer[] { 2, null }) {
2356	–
2357	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2358	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2359	–	final FailingConsumer r = new FailingConsumer();
2360	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2610
2362	–	g.complete(v2);
2363	–	checkCompletedWithWrappedCFException(h);
2364	–	f.complete(v1);
2611		checkCompletedNormally(f, v1);
2612	<	checkCompletedNormally(g, v2);
2613	<	}
2368	<	}
2612	>	checkCompletedExceptionally(g, ex);
2613	>	}}
2614
2615		/**
2616		* acceptEither result completes exceptionally if either source cancelled
2617		*/
2618	<	public void testAcceptEither_sourceCancelled1() {
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	<
2378	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2379	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2380	<	final IncAction r = new IncAction();
2381	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2382	<
2383	<	assertTrue(f.cancel(mayInterruptIfRunning));
2384	<	checkCompletedWithWrappedCancellationException(h);
2385	<	g.complete(v1);
2386	<
2387	<	checkCancelled(f);
2388	<	assertEquals(r.invocationCount, 0);
2389	<	checkCompletedNormally(g, v1);
2390	<	checkCompletedWithWrappedCancellationException(h);
2391	<	}
2392	<	}
2393	<
2394	<	public void testAcceptEither_sourceCancelled2() {
2395	<	for (ExecutionMode m : ExecutionMode.values())
2396	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2397	<	for (Integer v1 : new Integer[] { 1, null }) {
2398	<
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 IncAction r = new IncAction();
2626	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2625	>	final NoopConsumer[] rs = new NoopConsumer[6];
2626	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2627
2628	<	assertTrue(g.cancel(mayInterruptIfRunning));
2629	<	checkCompletedWithWrappedCancellationException(h);
2630	<	f.complete(v1);
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	<	checkCancelled(g);
2409	<	assertEquals(r.invocationCount, 0);
2410	<	checkCompletedNormally(f, v1);
2411	<	checkCompletedWithWrappedCancellationException(h);
2412	<	}
2413	<	}
2414	<
2415	<	public void testAcceptEither_sourceCancelled3() {
2416	<	for (ExecutionMode m : ExecutionMode.values())
2417	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2418	<	for (Integer v1 : new Integer[] { 1, null }) {
2419	<
2420	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2421	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2422	<	final IncAction r = new IncAction();
2423	<
2424	<	assertTrue(g.cancel(mayInterruptIfRunning));
2425	<	f.complete(v1);
2426	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2642	>	g.complete(v1);
2643
2644	<	// unspecified behavior
2645	<	Integer v;
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	<	assertEquals(h.join(), null);
2649	<	assertEquals(r.invocationCount, 1);
2433	<	assertEquals(inc(v1), r.value);
2648	>	assertNull(h4.join());
2649	>	rs[4].assertValue(v1);
2650		} catch (CompletionException ok) {
2651	<	checkCompletedWithWrappedCancellationException(h);
2652	<	assertEquals(r.invocationCount, 0);
2437	<	}
2438	<
2439	<	checkCancelled(g);
2440	<	checkCompletedNormally(f, v1);
2651	>	checkCompletedWithWrappedCancellationException(h4);
2652	>	rs[4].assertNotInvoked();
2653		}
2442	–	}
2443	–
2444	–	public void testAcceptEither_sourceCancelled4() {
2445	–	for (ExecutionMode m : ExecutionMode.values())
2446	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2447	–	for (Integer v1 : new Integer[] { 1, null }) {
2448	–
2449	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2450	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2451	–	final IncAction r = new IncAction();
2452	–
2453	–	assertTrue(f.cancel(mayInterruptIfRunning));
2454	–	g.complete(v1);
2455	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2456	–
2457	–	// unspecified behavior
2458	–	Integer v;
2654		try {
2655	<	assertEquals(h.join(), null);
2656	<	assertEquals(r.invocationCount, 1);
2462	<	assertEquals(inc(v1), r.value);
2655	>	assertNull(h5.join());
2656	>	rs[5].assertValue(v1);
2657		} catch (CompletionException ok) {
2658	<	checkCompletedWithWrappedCancellationException(h);
2659	<	assertEquals(r.invocationCount, 0);
2658	>	checkCompletedWithWrappedCancellationException(h5);
2659	>	rs[5].assertNotInvoked();
2660		}
2661
2662		checkCancelled(f);
2663		checkCompletedNormally(g, v1);
2664	<	}
2665	<	}
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	<	* runAfterEither result completes normally after normal completion
2475	<	* of either source
2672	>	* acceptEither result completes exceptionally if action does
2673		*/
2674	<	public void testRunAfterEither_normalCompletion1() {
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	<
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 Noop r = new Noop();
2682	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
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
2487	–	f.complete(v1);
2488	–	checkCompletedNormally(h, null);
2489	–	assertEquals(r.invocationCount, 1);
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	<	checkCompletedNormally(h, null);
2495	<	assertEquals(r.invocationCount, 1);
2496	<	}
2497	<	}
2710	>	}}
2711
2712	<	public void testRunAfterEither_normalCompletion2() {
2712	>	/**
2713	>	* runAfterEither result completes normally after normal completion
2714	>	* of either source
2715	>	*/
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	<
2721	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2722	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2723	<	final Noop r = new Noop();
2724	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
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);
2510	–	checkCompletedNormally(h, null);
2511	–	assertEquals(r.invocationCount, 1);
2512	–	f.complete(v1);
2513	–
2514	–	checkCompletedNormally(f, v1);
2515	–	checkCompletedNormally(g, v2);
2516	–	checkCompletedNormally(h, null);
2517	–	assertEquals(r.invocationCount, 1);
2518	–	}
2519	–	}
2520	–	public void testRunAfterEither_normalCompletion3() {
2521	–	for (ExecutionMode m : ExecutionMode.values())
2522	–	for (Integer v1 : new Integer[] { 1, null })
2523	–	for (Integer v2 : new Integer[] { 2, null }) {
2524	–
2525	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2526	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2527	–	final Noop r = new Noop();
2750
2751	<	f.complete(v1);
2752	<	g.complete(v2);
2531	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2751	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2752	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2753
2533	–	checkCompletedNormally(h, null);
2754		checkCompletedNormally(f, v1);
2755		checkCompletedNormally(g, v2);
2756	<	assertEquals(r.invocationCount, 1);
2757	<	}
2758	<	}
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		* runAfterEither result completes exceptionally after exceptional
2767		* completion of either source
2768		*/
2769	<	public void testRunAfterEither_exceptionalCompletion1() {
2769	>	public void testRunAfterEither_exceptionalCompletion() {
2770		for (ExecutionMode m : ExecutionMode.values())
2771	<	for (Integer v1 : new Integer[] { 1, null }) {
2772	<
2771	>	for (Integer v1 : new Integer[] { 1, null })
2772	>	{
2773		final CompletableFuture<Integer> f = new CompletableFuture<>();
2774		final CompletableFuture<Integer> g = new CompletableFuture<>();
2550	–	final Noop r = new Noop();
2551	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
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	<	f.completeExceptionally(ex);
2780	<	checkCompletedWithWrappedCFException(h, ex);
2781	<	g.complete(v1);
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	<	assertEquals(r.invocationCount, 0);
2813	>	checkCompletedExceptionally(f, ex);
2814		checkCompletedNormally(g, v1);
2815	<	checkCompletedWithWrappedCFException(f, ex);
2816	<	checkCompletedWithWrappedCFException(h, ex);
2817	<	}
2818	<	}
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 (Integer v1 : new Integer[] { 1, null }) {
2826	<
2827	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2570	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2571	<	final Noop r = new Noop();
2572	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2573	<	final CFException ex = new CFException();
2574	<
2575	<	g.completeExceptionally(ex);
2576	<	checkCompletedWithWrappedCFException(h, ex);
2577	<	f.complete(v1);
2578	<
2579	<	assertEquals(r.invocationCount, 0);
2580	<	checkCompletedNormally(f, v1);
2581	<	checkCompletedWithWrappedCFException(g, ex);
2582	<	checkCompletedWithWrappedCFException(h, ex);
2583	<	}
2584	<	}
2585	<
2586	<	public void testRunAfterEither_exceptionalCompletion3() {
2587	<	for (ExecutionMode m : ExecutionMode.values())
2588	<	for (Integer v1 : new Integer[] { 1, null }) {
2589	<
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<>();
2592	–	final Noop r = new Noop();
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	<	g.completeExceptionally(ex);
2835	<	f.complete(v1);
2836	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
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	<	// unspecified behavior
2600	<	Integer v;
2841	>	// unspecified behavior - both source completions available
2842		try {
2843	<	assertEquals(h.join(), null);
2844	<	assertEquals(r.invocationCount, 1);
2843	>	assertNull(h0.join());
2844	>	rs[0].assertInvoked();
2845		} catch (CompletionException ok) {
2846	<	checkCompletedWithWrappedCFException(h, ex);
2847	<	assertEquals(r.invocationCount, 0);
2846	>	checkCompletedWithWrappedException(h0, ex);
2847	>	rs[0].assertNotInvoked();
2848		}
2608	–
2609	–	checkCompletedWithWrappedCFException(g, ex);
2610	–	checkCompletedNormally(f, v1);
2611	–	}
2612	–	}
2613	–
2614	–	public void testRunAfterEither_exceptionalCompletion4() {
2615	–	for (ExecutionMode m : ExecutionMode.values())
2616	–	for (Integer v1 : new Integer[] { 1, null }) {
2617	–
2618	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2619	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2620	–	final Noop r = new Noop();
2621	–	final CFException ex = new CFException();
2622	–
2623	–	f.completeExceptionally(ex);
2624	–	g.complete(v1);
2625	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2626	–
2627	–	// unspecified behavior
2628	–	Integer v;
2849		try {
2850	<	assertEquals(h.join(), null);
2851	<	assertEquals(r.invocationCount, 1);
2850	>	assertNull(h1.join());
2851	>	rs[1].assertInvoked();
2852		} catch (CompletionException ok) {
2853	<	checkCompletedWithWrappedCFException(h, ex);
2854	<	assertEquals(r.invocationCount, 0);
2853	>	checkCompletedWithWrappedException(h1, ex);
2854	>	rs[1].assertNotInvoked();
2855		}
2856	<
2857	<	checkCompletedWithWrappedCFException(f, ex);
2858	<	checkCompletedNormally(g, v1);
2856	>	try {
2857	>	assertNull(h2.join());
2858	>	rs[2].assertInvoked();
2859	>	} catch (CompletionException ok) {
2860	>	checkCompletedWithWrappedException(h2, ex);
2861	>	rs[2].assertNotInvoked();
2862		}
2863	<	}
2864	<
2865	<	/**
2866	<	* runAfterEither result completes exceptionally if action does
2867	<	*/
2868	<	public void testRunAfterEither_actionFailed1() {
2646	<	for (ExecutionMode m : ExecutionMode.values())
2647	<	for (Integer v1 : new Integer[] { 1, null })
2648	<	for (Integer v2 : new Integer[] { 2, null }) {
2649	<
2650	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2651	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2652	<	final FailingNoop r = new FailingNoop();
2653	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2654	<
2655	<	f.complete(v1);
2656	<	checkCompletedWithWrappedCFException(h);
2657	<	g.complete(v2);
2658	<	checkCompletedNormally(f, v1);
2659	<	checkCompletedNormally(g, v2);
2863	>	try {
2864	>	assertNull(h3.join());
2865	>	rs[3].assertInvoked();
2866	>	} catch (CompletionException ok) {
2867	>	checkCompletedWithWrappedException(h3, ex);
2868	>	rs[3].assertNotInvoked();
2869		}
2661	–	}
2870
2663	–	public void testRunAfterEither_actionFailed2() {
2664	–	for (ExecutionMode m : ExecutionMode.values())
2665	–	for (Integer v1 : new Integer[] { 1, null })
2666	–	for (Integer v2 : new Integer[] { 2, null }) {
2667	–
2668	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2669	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2670	–	final FailingNoop r = new FailingNoop();
2671	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2672	–
2673	–	g.complete(v2);
2674	–	checkCompletedWithWrappedCFException(h);
2675	–	f.complete(v1);
2871		checkCompletedNormally(f, v1);
2872	<	checkCompletedNormally(g, v2);
2873	<	}
2679	<	}
2872	>	checkCompletedExceptionally(g, ex);
2873	>	}}
2874
2875		/**
2876		* runAfterEither result completes exceptionally if either source cancelled
2877		*/
2878	<	public void testRunAfterEither_sourceCancelled1() {
2685	<	for (ExecutionMode m : ExecutionMode.values())
2686	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2687	<	for (Integer v1 : new Integer[] { 1, null }) {
2688	<
2689	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2690	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2691	<	final Noop r = new Noop();
2692	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2693	<
2694	<	assertTrue(f.cancel(mayInterruptIfRunning));
2695	<	checkCompletedWithWrappedCancellationException(h);
2696	<	g.complete(v1);
2697	<
2698	<	checkCancelled(f);
2699	<	assertEquals(r.invocationCount, 0);
2700	<	checkCompletedNormally(g, v1);
2701	<	checkCompletedWithWrappedCancellationException(h);
2702	<	}
2703	<	}
2704	<
2705	<	public void testRunAfterEither_sourceCancelled2() {
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	<
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 r = new Noop();
2886	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2714	<
2715	<	assertTrue(g.cancel(mayInterruptIfRunning));
2716	<	checkCompletedWithWrappedCancellationException(h);
2717	<	f.complete(v1);
2885	>	final Noop[] rs = new Noop[6];
2886	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2887
2888	<	checkCancelled(g);
2889	<	assertEquals(r.invocationCount, 0);
2890	<	checkCompletedNormally(f, v1);
2891	<	checkCompletedWithWrappedCancellationException(h);
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		}
2724	–	}
2725	–
2726	–	public void testRunAfterEither_sourceCancelled3() {
2727	–	for (ExecutionMode m : ExecutionMode.values())
2728	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2729	–	for (Integer v1 : new Integer[] { 1, null }) {
2730	–
2731	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2732	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2733	–	final Noop r = new Noop();
2734	–
2735	–	assertTrue(g.cancel(mayInterruptIfRunning));
2736	–	f.complete(v1);
2737	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2738	–
2739	–	// unspecified behavior
2740	–	Integer v;
2914		try {
2915	<	assertEquals(h.join(), null);
2916	<	assertEquals(r.invocationCount, 1);
2915	>	assertNull(h5.join());
2916	>	rs[5].assertInvoked();
2917		} catch (CompletionException ok) {
2918	<	checkCompletedWithWrappedCancellationException(h);
2919	<	assertEquals(r.invocationCount, 0);
2918	>	checkCompletedWithWrappedCancellationException(h5);
2919	>	rs[5].assertNotInvoked();
2920		}
2921
2922	<	checkCancelled(g);
2923	<	checkCompletedNormally(f, v1);
2924	<	}
2925	<	}
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	<	public void testRunAfterEither_sourceCancelled4() {
2931	>	/**
2932	>	* runAfterEither result completes exceptionally if action does
2933	>	*/
2934	>	public void testRunAfterEither_actionFailed() {
2935		for (ExecutionMode m : ExecutionMode.values())
2936	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2937	<	for (Integer v1 : new Integer[] { 1, null }) {
2938	<
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 Noop r = new Noop();
2942	<
2763	<	assertTrue(f.cancel(mayInterruptIfRunning));
2764	<	g.complete(v1);
2765	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2941	>	final FailingRunnable[] rs = new FailingRunnable[6];
2942	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2943
2944	<	// unspecified behavior
2945	<	Integer v;
2946	<	try {
2947	<	assertEquals(h.join(), null);
2948	<	assertEquals(r.invocationCount, 1);
2949	<	} catch (CompletionException ok) {
2950	<	checkCompletedWithWrappedCancellationException(h);
2951	<	assertEquals(r.invocationCount, 0);
2952	<	}
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	<	checkCancelled(f);
2961	<	checkCompletedNormally(g, v1);
2962	<	}
2963	<	}
2960	>	checkCompletedNormally(f, v1);
2961	>	checkCompletedNormally(g, v2);
2962	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2963	>	}}
2964
2965		/**
2966		* thenCompose result completes normally after normal completion of source
2967		*/
2968	<	public void testThenCompose() {
2969	<	CompletableFuture<Integer> f, g;
2970	<	CompletableFutureInc r;
2971	<
2972	<	f = new CompletableFuture<>();
2973	<	g = f.thenCompose(r = new CompletableFutureInc());
2974	<	f.complete(one);
2975	<	checkCompletedNormally(g, two);
2976	<	assertTrue(r.ran);
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	<	f = new CompletableFuture<>();
2980	<	f.complete(one);
2981	<	g = f.thenCompose(r = new CompletableFutureInc());
2982	<	checkCompletedNormally(g, two);
2799	<	assertTrue(r.ran);
2800	<	}
2979	>	checkCompletedNormally(g, inc(v1));
2980	>	checkCompletedNormally(f, v1);
2981	>	r.assertValue(v1);
2982	>	}}
2983
2984		/**
2985		* thenCompose result completes exceptionally after exceptional
2986		* completion of source
2987		*/
2988	<	public void testThenCompose2() {
2989	<	CompletableFuture<Integer> f, g;
2990	<	CompletableFutureInc r;
2991	<
2992	<	f = new CompletableFuture<>();
2993	<	g = f.thenCompose(r = new CompletableFutureInc());
2994	<	f.completeExceptionally(new CFException());
2995	<	checkCompletedWithWrappedCFException(g);
2996	<
2997	<	f = new CompletableFuture<>();
2998	<	f.completeExceptionally(new CFException());
2999	<	g = f.thenCompose(r = new CompletableFutureInc());
3000	<	checkCompletedWithWrappedCFException(g);
3001	<	}
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		* thenCompose result completes exceptionally if action does
3006		*/
3007	<	public void testThenCompose3() {
3008	<	CompletableFuture<Integer> f, g;
3009	<	FailingCompletableFutureFunction r;
3010	<
3011	<	f = new CompletableFuture<>();
3012	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
3013	<	f.complete(one);
3014	<	checkCompletedWithWrappedCFException(g);
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	<	f = new CompletableFuture<>();
3020	<	f.complete(one);
3021	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2836	<	checkCompletedWithWrappedCFException(g);
2837	<	}
3019	>	checkCompletedWithWrappedException(g, r.ex);
3020	>	checkCompletedNormally(f, v1);
3021	>	}}
3022
3023		/**
3024		* thenCompose result completes exceptionally if source cancelled
3025		*/
3026	<	public void testThenCompose4() {
3027	<	CompletableFuture<Integer> f, g;
3028	<	CompletableFutureInc r;
3029	<
3030	<	f = new CompletableFuture<>();
3031	<	g = f.thenCompose(r = new CompletableFutureInc());
3032	<	assertTrue(f.cancel(true));
3033	<	checkCompletedWithWrappedCancellationException(g);
3034	<
3035	<	f = new CompletableFuture<>();
3036	<	assertTrue(f.cancel(true));
3037	<	g = f.thenCompose(r = new CompletableFutureInc());
3038	<	checkCompletedWithWrappedCancellationException(g);
2855	<	}
2856	<
2857	<	// asyncs
2858	<
2859	<	/**
2860	<	* thenRunAsync result completes normally after normal completion of source
2861	<	*/
2862	<	public void testThenRunAsync() {
2863	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2864	<	Noop r = new Noop();
2865	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2866	<	f.complete(null);
2867	<	checkCompletedNormally(g, null);
2868	<
2869	<	// reordered version
2870	<	f = new CompletableFuture<>();
2871	<	f.complete(null);
2872	<	r = new Noop();
2873	<	g = f.thenRunAsync(r);
2874	<	checkCompletedNormally(g, null);
2875	<	}
2876	<
2877	<	/**
2878	<	* thenRunAsync result completes exceptionally after exceptional
2879	<	* completion of source
2880	<	*/
2881	<	public void testThenRunAsync2() {
2882	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2883	<	Noop r = new Noop();
2884	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2885	<	f.completeExceptionally(new CFException());
2886	<	try {
2887	<	g.join();
2888	<	shouldThrow();
2889	<	} catch (CompletionException success) {}
2890	<	checkCompletedWithWrappedCFException(g);
2891	<	}
2892	<
2893	<	/**
2894	<	* thenRunAsync result completes exceptionally if action does
2895	<	*/
2896	<	public void testThenRunAsync3() {
2897	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2898	<	FailingNoop r = new FailingNoop();
2899	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2900	<	f.complete(null);
2901	<	checkCompletedWithWrappedCFException(g);
2902	<	}
2903	<
2904	<	/**
2905	<	* thenRunAsync result completes exceptionally if source cancelled
2906	<	*/
2907	<	public void testThenRunAsync4() {
2908	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2909	<	Noop r = new Noop();
2910	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2911	<	assertTrue(f.cancel(true));
2912	<	checkCompletedWithWrappedCancellationException(g);
2913	<	}
2914	<
2915	<	/**
2916	<	* thenApplyAsync result completes normally after normal completion of source
2917	<	*/
2918	<	public void testThenApplyAsync() {
2919	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2920	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2921	<	f.complete(one);
2922	<	checkCompletedNormally(g, two);
2923	<	}
2924	<
2925	<	/**
2926	<	* thenApplyAsync result completes exceptionally after exceptional
2927	<	* completion of source
2928	<	*/
2929	<	public void testThenApplyAsync2() {
2930	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2931	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2932	<	f.completeExceptionally(new CFException());
2933	<	checkCompletedWithWrappedCFException(g);
2934	<	}
2935	<
2936	<	/**
2937	<	* thenApplyAsync result completes exceptionally if action does
2938	<	*/
2939	<	public void testThenApplyAsync3() {
2940	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2941	<	FailingFunction r = new FailingFunction();
2942	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
2943	<	f.complete(null);
2944	<	checkCompletedWithWrappedCFException(g);
2945	<	}
2946	<
2947	<	/**
2948	<	* thenApplyAsync result completes exceptionally if source cancelled
2949	<	*/
2950	<	public void testThenApplyAsync4() {
2951	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2952	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2953	<	assertTrue(f.cancel(true));
2954	<	checkCompletedWithWrappedCancellationException(g);
2955	<	}
2956	<
2957	<	/**
2958	<	* thenAcceptAsync result completes normally after normal
2959	<	* completion of source
2960	<	*/
2961	<	public void testThenAcceptAsync() {
2962	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2963	<	IncAction r = new IncAction();
2964	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2965	<	f.complete(one);
2966	<	checkCompletedNormally(g, null);
2967	<	assertEquals(r.value, (Integer) 2);
2968	<	}
2969	<
2970	<	/**
2971	<	* thenAcceptAsync result completes exceptionally after exceptional
2972	<	* completion of source
2973	<	*/
2974	<	public void testThenAcceptAsync2() {
2975	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2976	<	IncAction r = new IncAction();
2977	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2978	<	f.completeExceptionally(new CFException());
2979	<	checkCompletedWithWrappedCFException(g);
2980	<	}
2981	<
2982	<	/**
2983	<	* thenAcceptAsync result completes exceptionally if action does
2984	<	*/
2985	<	public void testThenAcceptAsync3() {
2986	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2987	<	FailingConsumer r = new FailingConsumer();
2988	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2989	<	f.complete(null);
2990	<	checkCompletedWithWrappedCFException(g);
2991	<	}
2992	<
2993	<	/**
2994	<	* thenAcceptAsync result completes exceptionally if source cancelled
2995	<	*/
2996	<	public void testThenAcceptAsync4() {
2997	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2998	<	IncAction r = new IncAction();
2999	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3000	<	assertTrue(f.cancel(true));
3001	<	checkCompletedWithWrappedCancellationException(g);
3002	<	}
3003	<
3004	<	/**
3005	<	* thenComposeAsync result completes normally after normal
3006	<	* completion of source
3007	<	*/
3008	<	public void testThenComposeAsync() {
3009	<	CompletableFuture<Integer> f, g;
3010	<	CompletableFutureInc r;
3011	<
3012	<	f = new CompletableFuture<>();
3013	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3014	<	f.complete(one);
3015	<	checkCompletedNormally(g, two);
3016	<
3017	<	f = new CompletableFuture<>();
3018	<	f.complete(one);
3019	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3020	<	checkCompletedNormally(g, two);
3021	<	}
3022	<
3023	<	/**
3024	<	* thenComposeAsync result completes exceptionally after
3025	<	* exceptional completion of source
3026	<	*/
3027	<	public void testThenComposeAsync2() {
3028	<	CompletableFuture<Integer> f, g;
3029	<	CompletableFutureInc r;
3030	<
3031	<	f = new CompletableFuture<>();
3032	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3033	<	f.completeExceptionally(new CFException());
3034	<	checkCompletedWithWrappedCFException(g);
3035	<	assertFalse(r.ran);
3036	<
3037	<	f = new CompletableFuture<>();
3038	<	f.completeExceptionally(new CFException());
3039	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3040	<	checkCompletedWithWrappedCFException(g);
3041	<	assertFalse(r.ran);
3042	<	}
3043	<
3044	<	/**
3045	<	* thenComposeAsync result completes exceptionally if action does
3046	<	*/
3047	<	public void testThenComposeAsync3() {
3048	<	CompletableFuture<Integer> f, g;
3049	<	FailingCompletableFutureFunction r;
3050	<
3051	<	f = new CompletableFuture<>();
3052	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
3053	<	f.complete(one);
3054	<	checkCompletedWithWrappedCFException(g);
3055	<
3056	<	f = new CompletableFuture<>();
3057	<	f.complete(one);
3058	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
3059	<	checkCompletedWithWrappedCFException(g);
3060	<	}
3061	<
3062	<	/**
3063	<	* thenComposeAsync result completes exceptionally if source cancelled
3064	<	*/
3065	<	public void testThenComposeAsync4() {
3066	<	CompletableFuture<Integer> f, g;
3067	<	CompletableFutureInc r;
3068	<
3069	<	f = new CompletableFuture<>();
3070	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3071	<	assertTrue(f.cancel(true));
3072	<	checkCompletedWithWrappedCancellationException(g);
3073	<
3074	<	f = new CompletableFuture<>();
3075	<	assertTrue(f.cancel(true));
3076	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3077	<	checkCompletedWithWrappedCancellationException(g);
3078	<	}
3079	<
3080	<	// async with explicit executors
3081	<
3082	<	/**
3083	<	* thenRunAsync result completes normally after normal completion of source
3084	<	*/
3085	<	public void testThenRunAsyncE() {
3086	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3087	<	Noop r = new Noop();
3088	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3089	<	f.complete(null);
3090	<	checkCompletedNormally(g, null);
3091	<
3092	<	// reordered version
3093	<	f = new CompletableFuture<>();
3094	<	f.complete(null);
3095	<	r = new Noop();
3096	<	g = f.thenRunAsync(r, new ThreadExecutor());
3097	<	checkCompletedNormally(g, null);
3098	<	}
3099	<
3100	<	/**
3101	<	* thenRunAsync result completes exceptionally after exceptional
3102	<	* completion of source
3103	<	*/
3104	<	public void testThenRunAsync2E() {
3105	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3106	<	Noop r = new Noop();
3107	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3108	<	f.completeExceptionally(new CFException());
3109	<	try {
3110	<	g.join();
3111	<	shouldThrow();
3112	<	} catch (CompletionException success) {}
3113	<	checkCompletedWithWrappedCFException(g);
3114	<	}
3115	<
3116	<	/**
3117	<	* thenRunAsync result completes exceptionally if action does
3118	<	*/
3119	<	public void testThenRunAsync3E() {
3120	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3121	<	FailingNoop r = new FailingNoop();
3122	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3123	<	f.complete(null);
3124	<	checkCompletedWithWrappedCFException(g);
3125	<	}
3126	<
3127	<	/**
3128	<	* thenRunAsync result completes exceptionally if source cancelled
3129	<	*/
3130	<	public void testThenRunAsync4E() {
3131	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3132	<	Noop r = new Noop();
3133	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3134	<	assertTrue(f.cancel(true));
3135	<	checkCompletedWithWrappedCancellationException(g);
3136	<	}
3137	<
3138	<	/**
3139	<	* thenApplyAsync result completes normally after normal completion of source
3140	<	*/
3141	<	public void testThenApplyAsyncE() {
3142	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3143	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3144	<	f.complete(one);
3145	<	checkCompletedNormally(g, two);
3146	<	}
3147	<
3148	<	/**
3149	<	* thenApplyAsync result completes exceptionally after exceptional
3150	<	* completion of source
3151	<	*/
3152	<	public void testThenApplyAsync2E() {
3153	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3154	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3155	<	f.completeExceptionally(new CFException());
3156	<	checkCompletedWithWrappedCFException(g);
3157	<	}
3158	<
3159	<	/**
3160	<	* thenApplyAsync result completes exceptionally if action does
3161	<	*/
3162	<	public void testThenApplyAsync3E() {
3163	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3164	<	FailingFunction r = new FailingFunction();
3165	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3166	<	f.complete(null);
3167	<	checkCompletedWithWrappedCFException(g);
3168	<	}
3169	<
3170	<	/**
3171	<	* thenApplyAsync result completes exceptionally if source cancelled
3172	<	*/
3173	<	public void testThenApplyAsync4E() {
3174	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3175	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3176	<	assertTrue(f.cancel(true));
3177	<	checkCompletedWithWrappedCancellationException(g);
3178	<	}
3179	<
3180	<	/**
3181	<	* thenAcceptAsync result completes normally after normal
3182	<	* completion of source
3183	<	*/
3184	<	public void testThenAcceptAsyncE() {
3185	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3186	<	IncAction r = new IncAction();
3187	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3188	<	f.complete(one);
3189	<	checkCompletedNormally(g, null);
3190	<	assertEquals(r.value, (Integer) 2);
3191	<	}
3192	<
3193	<	/**
3194	<	* thenAcceptAsync result completes exceptionally after exceptional
3195	<	* completion of source
3196	<	*/
3197	<	public void testThenAcceptAsync2E() {
3198	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3199	<	IncAction r = new IncAction();
3200	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3201	<	f.completeExceptionally(new CFException());
3202	<	checkCompletedWithWrappedCFException(g);
3203	<	}
3204	<
3205	<	/**
3206	<	* thenAcceptAsync result completes exceptionally if action does
3207	<	*/
3208	<	public void testThenAcceptAsync3E() {
3209	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3210	<	FailingConsumer r = new FailingConsumer();
3211	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3212	<	f.complete(null);
3213	<	checkCompletedWithWrappedCFException(g);
3214	<	}
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
3216	–	/**
3217	–	* thenAcceptAsync result completes exceptionally if source cancelled
3218	–	*/
3219	–	public void testThenAcceptAsync4E() {
3220	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3221	–	IncAction r = new IncAction();
3222	–	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3223	–	assertTrue(f.cancel(true));
3040		checkCompletedWithWrappedCancellationException(g);
3041	<	}
3042	<
3227	<	/**
3228	<	* thenComposeAsync result completes normally after normal
3229	<	* completion of source
3230	<	*/
3231	<	public void testThenComposeAsyncE() {
3232	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3233	<	CompletableFutureInc r = new CompletableFutureInc();
3234	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3235	<	f.complete(one);
3236	<	checkCompletedNormally(g, two);
3237	<	}
3238	<
3239	<	/**
3240	<	* thenComposeAsync result completes exceptionally after
3241	<	* exceptional completion of source
3242	<	*/
3243	<	public void testThenComposeAsync2E() {
3244	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3245	<	CompletableFutureInc r = new CompletableFutureInc();
3246	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3247	<	f.completeExceptionally(new CFException());
3248	<	checkCompletedWithWrappedCFException(g);
3249	<	}
3041	>	checkCancelled(f);
3042	>	}}
3043
3044		/**
3045	<	* thenComposeAsync result completes exceptionally if action does
3045	>	* thenCompose result completes exceptionally if the result of the action does
3046		*/
3047	<	public void testThenComposeAsync3E() {
3048	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3049	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3050	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3051	<	f.complete(one);
3052	<	checkCompletedWithWrappedCFException(g);
3053	<	}
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	<	/**
3092	<	* thenComposeAsync result completes exceptionally if source cancelled
3093	<	*/
3094	<	public void testThenComposeAsync4E() {
3266	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3267	<	CompletableFutureInc r = new CompletableFutureInc();
3268	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3269	<	assertTrue(f.cancel(true));
3270	<	checkCompletedWithWrappedCancellationException(g);
3271	<	}
3091	>	checkCompletedExceptionally(g, ex);
3092	>	checkCompletedWithWrappedException(h, ex);
3093	>	checkCompletedNormally(f, v1);
3094	>	}}
3095
3096		// other static methods
3097
#	Line 3286 | Line 3109 | public class CompletableFutureTest exten
3109		* when all components complete normally
3110		*/
3111		public void testAllOf_normal() throws Exception {
3112	<	for (int k = 1; k < 20; ++k) {
3113	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3114	<	for (int i = 0; i < k; ++i)
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	>	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 = 0; i < k; ++i) {
3135	>	for (int i = k - 1; i >= 0; i--) {
3136		checkIncomplete(f);
3137		checkIncomplete(CompletableFuture.allOf(fs));
3138		fs[i].complete(one);
#	Line 3301 | Line 3142 | public class CompletableFutureTest exten
3142		}
3143		}
3144
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		* anyOf(no component futures) returns an incomplete future
3171		*/
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	<	}
3177	>
3178	>	f.complete(v1);
3179	>	checkCompletedNormally(f, v1);
3180	>	}}
3181
3182		/**
3183		* anyOf returns a future completed normally with a value when
3184		* a component future does
3185		*/
3186		public void testAnyOf_normal() throws Exception {
3187	<	for (int k = 0; k < 10; ++k) {
3187	>	for (int k = 0; k < 10; k++) {
3188		CompletableFuture[] fs = new CompletableFuture[k];
3189	<	for (int i = 0; i < k; ++i)
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(one);
3195	<	checkCompletedNormally(f, one);
3196	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
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	>	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		}
#	Line 3332 | Line 3218 | public class CompletableFutureTest exten
3218		* anyOf result completes exceptionally when any component does.
3219		*/
3220		public void testAnyOf_exceptional() throws Exception {
3221	<	for (int k = 0; k < 10; ++k) {
3221	>	for (int k = 0; k < 10; k++) {
3222		CompletableFuture[] fs = new CompletableFuture[k];
3223	<	for (int i = 0; i < k; ++i)
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(new CFException());
3232	<	checkCompletedWithWrappedCFException(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	>	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		}
#	Line 3349 | Line 3256 | public class CompletableFutureTest exten
3256		/**
3257		* Completion methods throw NullPointerException with null arguments
3258		*/
3259	+	@SuppressWarnings("FutureReturnValueIgnored")
3260		public void testNPE() {
3261		CompletableFuture<Integer> f = new CompletableFuture<>();
3262		CompletableFuture<Integer> g = new CompletableFuture<>();
3263		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3356	–	CompletableFuture<?> h;
3264		ThreadExecutor exec = new ThreadExecutor();
3265
3266		Runnable[] throwingActions = {
3267		() -> CompletableFuture.supplyAsync(null),
3268		() -> CompletableFuture.supplyAsync(null, exec),
3269	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3269	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3270
3271		() -> CompletableFuture.runAsync(null),
3272		() -> CompletableFuture.runAsync(null, exec),
#	Line 3369 | Line 3276 | public class CompletableFutureTest exten
3276
3277		() -> f.thenApply(null),
3278		() -> f.thenApplyAsync(null),
3279	<	() -> f.thenApplyAsync((x) -> x, 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),
3284	>	() -> f.thenAcceptAsync(x -> {} , null),
3285		() -> f.thenAcceptAsync(null, exec),
3286
3287		() -> f.thenRun(null),
#	Line 3409 | Line 3316 | public class CompletableFutureTest exten
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),
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),
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),
#	Line 3432 | Line 3339 | public class CompletableFutureTest exten
3339
3340		() -> f.thenCompose(null),
3341		() -> f.thenComposeAsync(null),
3342	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3342	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3343		() -> f.thenComposeAsync(null, exec),
3344
3345		() -> f.exceptionally(null),
#	Line 3450 | Line 3357 | public class CompletableFutureTest exten
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.orTimeout(1L, null),
3366	+	() -> f.completeOnTimeout(42, 1L, null),
3367	+
3368	+	() -> CompletableFuture.failedFuture(null),
3369	+	() -> CompletableFuture.failedStage(null),
3370		};
3371
3372		assertThrows(NullPointerException.class, throwingActions);
#	Line 3457 | Line 3374 | public class CompletableFutureTest exten
3374		}
3375
3376		/**
3377	+	* Test submissions to an executor that rejects all tasks.
3378	+	*/
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	+	{
3421	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3422	+
3423	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3424	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3425	+
3426	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3427	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3428	+
3429	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3430	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3431	+
3432	+	for (CompletableFuture<?> future : fs)
3433	+	checkIncomplete(future);
3434	+	futures.addAll(fs);
3435	+	}
3436	+
3437	+	{
3438	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3439	+
3440	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3441	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3442	+
3443	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3444	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3445	+
3446	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3447	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3448	+
3449	+	for (CompletableFuture<?> future : fs)
3450	+	checkCompletedWithWrappedException(future, e.ex);
3451	+	futures.addAll(fs);
3452	+	}
3453	+
3454	+	incomplete.complete(v);
3455	+
3456	+	for (CompletableFuture<?> future : futures)
3457	+	checkCompletedWithWrappedException(future, e.ex);
3458	+
3459	+	assertEquals(futures.size(), e.count.get());
3460	+	}}
3461	+
3462	+	/**
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 testRejectingExecutorNeverInvoked() {
3468	+	for (Integer v : new Integer[] { 1, null })
3469	+	{
3470	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3471	+
3472	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3473	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3474	+
3475	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3476	+
3477	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3478	+	srcs.add(complete);
3479	+	srcs.add(incomplete);
3480	+
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	+	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	+	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	+	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	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3499	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3500	+
3501	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3502	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3503	+
3504	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3505	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3506	+
3507	+	for (CompletableFuture<?> future : fs)
3508	+	checkIncomplete(future);
3509	+
3510	+	for (CompletableFuture<?> future : fs)
3511	+	future.complete(null);
3512	+
3513	+	incomplete.complete(v);
3514	+
3515	+	for (CompletableFuture<?> future : fs)
3516	+	checkCompletedNormally(future, null);
3517	+
3518	+	assertEquals(0, e.count.get());
3519	+	}}
3520	+
3521	+	/**
3522		* toCompletableFuture returns this CompletableFuture.
3523		*/
3524		public void testToCompletableFuture() {
#	Line 3464 | Line 3526 | public class CompletableFutureTest exten
3526		assertSame(f, f.toCompletableFuture());
3527		}
3528
3529	+	// jdk9
3530	+
3531		/**
3532	<	* whenComplete action executes on normal completion, propagating
3469	<	* source result.
3532	>	* newIncompleteFuture returns an incomplete CompletableFuture
3533		*/
3534	<	public void testWhenComplete1() {
3535	<	final AtomicInteger a = new AtomicInteger();
3534	>	public void testNewIncompleteFuture() {
3535	>	for (Integer v1 : new Integer[] { 1, null })
3536	>	{
3537		CompletableFuture<Integer> f = new CompletableFuture<>();
3538	<	CompletableFuture<Integer> g =
3539	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3540	<	f.complete(three);
3541	<	checkCompletedNormally(f, three);
3542	<	checkCompletedNormally(g, three);
3543	<	assertEquals(a.get(), 1);
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	>	* completedStage returns a completed CompletionStage
3551	>	*/
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	<	* whenComplete action executes on exceptional completion, propagating
3563	<	* source result.
3562	>	* defaultExecutor by default returns the commonPool if
3563	>	* it supports more than one thread.
3564		*/
3565	<	public void testWhenComplete2() {
3487	<	final AtomicInteger a = new AtomicInteger();
3565	>	public void testDefaultExecutor() {
3566		CompletableFuture<Integer> f = new CompletableFuture<>();
3567	<	CompletableFuture<Integer> g =
3568	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3569	<	f.completeExceptionally(new CFException());
3570	<	assertTrue(f.isCompletedExceptionally());
3571	<	assertTrue(g.isCompletedExceptionally());
3572	<	assertEquals(a.get(), 1);
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	<	* If a whenComplete action throws an exception when triggered by
3577	<	* a normal completion, it completes exceptionally
3576	>	* failedFuture returns a CompletableFuture completed
3577	>	* exceptionally with the given Exception
3578		*/
3579	<	public void testWhenComplete3() {
3579	>	public void testFailedFuture() {
3580	>	CFException ex = new CFException();
3581	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3582	>	checkCompletedExceptionally(f, ex);
3583	>	}
3584	>
3585	>	/**
3586	>	* failedFuture(null) throws NPE
3587	>	*/
3588	>	public void testFailedFuture_null() {
3589	>	try {
3590	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3591	>	shouldThrow();
3592	>	} catch (NullPointerException success) {}
3593	>	}
3594	>
3595	>	/**
3596	>	* copy returns a CompletableFuture that is completed normally,
3597	>	* with the same value, when source is.
3598	>	*/
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> g =
3605	<	f.whenComplete((Integer x, Throwable t) ->
3606	<	{ throw new CFException(); } );
3607	<	f.complete(three);
3608	<	checkCompletedNormally(f, three);
3609	<	assertTrue(g.isCompletedExceptionally());
3610	<	checkCompletedWithWrappedCFException(g);
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	>	* Completion of a copy does not complete its source.
3637	>	*/
3638	>	public void testCopy_oneWayPropagation() {
3639	>	CompletableFuture<Integer> f = new CompletableFuture<>();
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	<	* whenCompleteAsync action executes on normal completion, propagating
3650	<	* source result.
3649	>	* minimalCompletionStage returns a CompletableFuture that is
3650	>	* completed normally, with the same value, when source is.
3651		*/
3652	<	public void testWhenCompleteAsync1() {
3517	<	final AtomicInteger a = new AtomicInteger();
3652	>	public void testMinimalCompletionStage() {
3653		CompletableFuture<Integer> f = new CompletableFuture<>();
3654	<	CompletableFuture<Integer> g =
3655	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3656	<	f.complete(three);
3657	<	checkCompletedNormally(f, three);
3658	<	checkCompletedNormally(g, three);
3659	<	assertEquals(a.get(), 1);
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	<	* whenCompleteAsync action executes on exceptional completion, propagating
3667	<	* source result.
3666	>	* minimalCompletionStage returns a CompletableFuture that is
3667	>	* completed exceptionally when source is.
3668		*/
3669	<	public void testWhenCompleteAsync2() {
3532	<	final AtomicInteger a = new AtomicInteger();
3669	>	public void testMinimalCompletionStage2() {
3670		CompletableFuture<Integer> f = new CompletableFuture<>();
3671	<	CompletableFuture<Integer> g =
3672	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3673	<	f.completeExceptionally(new CFException());
3674	<	checkCompletedWithWrappedCFException(f);
3675	<	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	>	* failedStage returns a CompletionStage completed
3685	>	* exceptionally with the given Exception
3686	>	*/
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	<	* If a whenCompleteAsync action throws an exception when
3543	<	* triggered by a normal completion, it completes exceptionally
3698	>	* completeAsync completes with value of given supplier
3699		*/
3700	<	public void testWhenCompleteAsync3() {
3700	>	public void testCompleteAsync() {
3701	>	for (Integer v1 : new Integer[] { 1, null })
3702	>	{
3703		CompletableFuture<Integer> f = new CompletableFuture<>();
3704	<	CompletableFuture<Integer> g =
3705	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3706	<	{ throw new CFException(); } );
3707	<	f.complete(three);
3708	<	checkCompletedNormally(f, three);
3709	<	checkCompletedWithWrappedCFException(g);
3704	>	f.completeAsync(() -> v1);
3705	>	f.join();
3706	>	checkCompletedNormally(f, v1);
3707	>	}}
3708	>
3709	>	/**
3710	>	* completeAsync completes exceptionally if given supplier throws
3711	>	*/
3712	>	public void testCompleteAsync2() {
3713	>	CompletableFuture<Integer> f = new CompletableFuture<>();
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	<	* whenCompleteAsync action executes on normal completion, propagating
3557	<	* source result.
3724	>	* completeAsync with given executor completes with value of given supplier
3725		*/
3726	<	public void testWhenCompleteAsync1e() {
3727	<	final AtomicInteger a = new AtomicInteger();
3728	<	ThreadExecutor exec = new ThreadExecutor();
3726	>	public void testCompleteAsync3() {
3727	>	for (Integer v1 : new Integer[] { 1, null })
3728	>	{
3729		CompletableFuture<Integer> f = new CompletableFuture<>();
3730	<	CompletableFuture<Integer> g =
3731	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3732	<	exec);
3733	<	f.complete(three);
3734	<	checkCompletedNormally(f, three);
3735	<	checkCompletedNormally(g, three);
3736	<	assertEquals(a.get(), 1);
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	>	* completeAsync with given executor completes exceptionally if
3739	>	* given supplier throws
3740	>	*/
3741	>	public void testCompleteAsync4() {
3742	>	CompletableFuture<Integer> f = new CompletableFuture<>();
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	<	* whenCompleteAsync action executes on exceptional completion, propagating
3574	<	* source result.
3755	>	* orTimeout completes with TimeoutException if not complete
3756		*/
3757	<	public void testWhenCompleteAsync2e() {
3758	<	final AtomicInteger a = new AtomicInteger();
3578	<	ThreadExecutor exec = new ThreadExecutor();
3757	>	public void testOrTimeout_timesOut() {
3758	>	long timeoutMillis = timeoutMillis();
3759		CompletableFuture<Integer> f = new CompletableFuture<>();
3760	<	CompletableFuture<Integer> g =
3761	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3762	<	exec);
3763	<	f.completeExceptionally(new CFException());
3584	<	checkCompletedWithWrappedCFException(f);
3585	<	checkCompletedWithWrappedCFException(g);
3760	>	long startTime = System.nanoTime();
3761	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3762	>	checkCompletedWithTimeoutException(f);
3763	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3764		}
3765
3766		/**
3767	<	* If a whenCompleteAsync action throws an exception when triggered
3590	<	* by a normal completion, it completes exceptionally
3767	>	* orTimeout completes normally if completed before timeout
3768		*/
3769	<	public void testWhenCompleteAsync3e() {
3770	<	ThreadExecutor exec = new ThreadExecutor();
3769	>	public void testOrTimeout_completed() {
3770	>	for (Integer v1 : new Integer[] { 1, null })
3771	>	{
3772		CompletableFuture<Integer> f = new CompletableFuture<>();
3773	<	CompletableFuture<Integer> g =
3774	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3775	<	{ throw new CFException(); },
3776	<	exec);
3777	<	f.complete(three);
3778	<	checkCompletedNormally(f, three);
3779	<	checkCompletedWithWrappedCFException(g);
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	>	* completeOnTimeout completes with given value if not complete
3786	>	*/
3787	>	public void testCompleteOnTimeout_timesOut() {
3788	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3789	>	() -> testCompleteOnTimeout_timesOut(null));
3790		}
3791
3792		/**
3793	<	* handleAsync action completes normally with function value on
3606	<	* either normal or exceptional completion of source
3793	>	* completeOnTimeout completes with given value if not complete
3794		*/
3795	<	public void testHandleAsync() {
3796	<	CompletableFuture<Integer> f, g;
3797	<	IntegerHandler r;
3795	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3796	>	long timeoutMillis = timeoutMillis();
3797	>	CompletableFuture<Integer> f = new CompletableFuture<>();
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	<	f = new CompletableFuture<>();
3807	<	g = f.handleAsync(r = new IntegerHandler());
3808	<	assertFalse(r.ran);
3809	<	f.completeExceptionally(new CFException());
3810	<	checkCompletedWithWrappedCFException(f);
3811	<	checkCompletedNormally(g, three);
3812	<	assertTrue(r.ran);
3806	>	/**
3807	>	* completeOnTimeout has no effect if completed within timeout
3808	>	*/
3809	>	public void testCompleteOnTimeout_completed() {
3810	>	for (Integer v1 : new Integer[] { 1, null })
3811	>	{
3812	>	CompletableFuture<Integer> f = new CompletableFuture<>();
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	<	f = new CompletableFuture<>();
3825	<	g = f.handleAsync(r = new IntegerHandler());
3826	<	assertFalse(r.ran);
3827	<	f.completeExceptionally(new CFException());
3828	<	checkCompletedWithWrappedCFException(f);
3829	<	checkCompletedNormally(g, three);
3830	<	assertTrue(r.ran);
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	<	f = new CompletableFuture<>();
3629	<	g = f.handleAsync(r = new IntegerHandler());
3630	<	assertFalse(r.ran);
3631	<	f.complete(one);
3632	<	checkCompletedNormally(f, one);
3633	<	checkCompletedNormally(g, two);
3634	<	assertTrue(r.ran);
3852	>	assertNull(g.getNow(null));
3853
3854	<	f = new CompletableFuture<>();
3855	<	g = f.handleAsync(r = new IntegerHandler());
3856	<	assertFalse(r.ran);
3857	<	f.complete(one);
3858	<	checkCompletedNormally(f, one);
3859	<	checkCompletedNormally(g, two);
3860	<	assertTrue(r.ran);
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	>	checkCompletedNormally(f, v);
3860	>
3861	>	checkIncomplete(g);
3862	>	assertTrue(g.cancel(true));
3863	>	}
3864	>
3865	>	//--- tests of implementation details; not part of official tck ---
3866	>
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	>	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	>	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	>	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	>	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	>	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	>	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	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3981	>	*/
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	>	}
4044	>	}
4045	>	if (!bugs.isEmpty())
4046	>	throw new Error("Methods did not throw UOE: " + bugs);
4047		}
4048
4049		/**
4050	<	* handleAsync action with Executor completes normally with
4051	<	* function value on either normal or exceptional completion of
3648	<	* source
4050	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4051	>	* is completed normally, with the same value, when source is.
4052		*/
4053	<	public void testHandleAsync2() {
4054	<	CompletableFuture<Integer> f, g;
4055	<	ThreadExecutor exec = new ThreadExecutor();
4056	<	IntegerHandler r;
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	>	checkIncomplete(g);
4064	>	assertTrue(f.complete(v1));
4065	>	}
4066	>	checkCompletedNormally(f, v1);
4067	>	checkCompletedNormally(g, v1);
4068	>	}}
4069
4070	<	f = new CompletableFuture<>();
4071	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4072	<	assertFalse(r.ran);
4073	<	f.completeExceptionally(new CFException());
4074	<	checkCompletedWithWrappedCFException(f);
4075	<	checkCompletedNormally(g, three);
4076	<	assertTrue(r.ran);
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	>	checkIncomplete(g);
4085	>	f.completeExceptionally(ex);
4086	>	}
4087	>	checkCompletedExceptionally(f, ex);
4088	>	checkCompletedWithWrappedException(g, ex);
4089	>	}}
4090
4091	<	f = new CompletableFuture<>();
4092	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4093	<	assertFalse(r.ran);
4094	<	f.completeExceptionally(new CFException());
4095	<	checkCompletedWithWrappedCFException(f);
4096	<	checkCompletedNormally(g, three);
4097	<	assertTrue(r.ran);
4091	>	/**
4092	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4093	>	*/
4094	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4095	>	for (Integer v1 : new Integer[] { 1, null })
4096	>	{
4097	>	CompletableFuture<Integer> f = new CompletableFuture<>();
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	<	f = new CompletableFuture<>();
4107	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4108	<	assertFalse(r.ran);
4109	<	f.complete(one);
4110	<	checkCompletedNormally(f, one);
4111	<	checkCompletedNormally(g, two);
4112	<	assertTrue(r.ran);
4106	>	/**
4107	>	* minimalStage.toCompletableFuture().join() awaits completion
4108	>	*/
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	<	f = new CompletableFuture<>();
4140	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4141	<	assertFalse(r.ran);
4142	<	f.complete(one);
4143	<	checkCompletedNormally(f, one);
4144	<	checkCompletedNormally(g, two);
4145	<	assertTrue(r.ran);
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	>	/** Demo utility method to join a CompletionStage */
4151	>	static <T> T join(CompletionStage<T> stage) {
4152	>	return toCompletableFuture(stage).join();
4153		}
4154
4155	+	/**
4156	+	* Joining a minimal stage "by hand" works
4157	+	*/
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	+	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	+	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	+	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	+	static class PlusFuture<T> extends CompletableFuture<T> {
4222	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4223	+	}
4224	+
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	+	* CompletableFuture is an additive monad - sort of.
4262	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4263	+	*/
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	+	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	+	/** 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	+	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	+	* 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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