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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.19 by jsr166, Sun Apr 7 15:04:14 2013 UTC vs.
Revision 1.138 by jsr166, Sun Nov 15 23:31:51 2015 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28	+	import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33		import java.util.concurrent.TimeoutException;
34	+	import java.util.concurrent.TimeUnit;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
22	<	import static java.util.concurrent.TimeUnit.SECONDS;
23	<	import java.util.*;
24	<	import java.util.function.Supplier;
25	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
27	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.AssertionFailedError;
45	+	import junit.framework.Test;
46	+	import junit.framework.TestSuite;
47
48		public class CompletableFutureTest extends JSR166TestCase {
49
50		public static void main(String[] args) {
51	<	junit.textui.TestRunner.run(suite());
51	>	main(suite(), args);
52		}
53		public static Test suite() {
54		return new TestSuite(CompletableFutureTest.class);
#	Line 41 | Line 59 | public class CompletableFutureTest exten
59		void checkIncomplete(CompletableFuture<?> f) {
60		assertFalse(f.isDone());
61		assertFalse(f.isCancelled());
62	<	assertTrue(f.toString().contains("[Not completed]"));
62	>	assertTrue(f.toString().contains("Not completed"));
63		try {
64		assertNull(f.getNow(null));
65		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 54 | Line 72 | public class CompletableFutureTest exten
72		}
73
74		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
75	+	checkTimedGet(f, value);
76	+
77		try {
78		assertEquals(value, f.join());
79		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 63 | Line 83 | public class CompletableFutureTest exten
83		try {
84		assertEquals(value, f.get());
85		} catch (Throwable fail) { threadUnexpectedException(fail); }
66	–	try {
67	–	assertEquals(value, f.get(0L, SECONDS));
68	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
86		assertTrue(f.isDone());
87		assertFalse(f.isCancelled());
88	+	assertFalse(f.isCompletedExceptionally());
89		assertTrue(f.toString().contains("[Completed normally]"));
90		}
91
92	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
92	>	/**
93	>	* Returns the "raw" internal exceptional completion of f,
94	>	* without any additional wrapping with CompletionException.
95	>	*/
96	>	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
97	>	// handle (and whenComplete) can distinguish between "direct"
98	>	// and "wrapped" exceptional completion
99	>	return f.handle((U u, Throwable t) -> t).join();
100	>	}
101	>
102	>	void checkCompletedExceptionally(CompletableFuture<?> f,
103	>	boolean wrapped,
104	>	Consumer<Throwable> checker) {
105	>	Throwable cause = exceptionalCompletion(f);
106	>	if (wrapped) {
107	>	assertTrue(cause instanceof CompletionException);
108	>	cause = cause.getCause();
109	>	}
110	>	checker.accept(cause);
111	>
112	>	long startTime = System.nanoTime();
113	>	try {
114	>	f.get(LONG_DELAY_MS, MILLISECONDS);
115	>	shouldThrow();
116	>	} catch (ExecutionException success) {
117	>	assertSame(cause, success.getCause());
118	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
119	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
120	>
121		try {
122		f.join();
123		shouldThrow();
124		} catch (CompletionException success) {
125	<	assertTrue(success.getCause() instanceof CFException);
126	<	}
125	>	assertSame(cause, success.getCause());
126	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
127	>
128		try {
129		f.getNow(null);
130		shouldThrow();
131		} catch (CompletionException success) {
132	<	assertTrue(success.getCause() instanceof CFException);
86	<	}
87	<	try {
88	<	f.get();
89	<	shouldThrow();
90	<	} catch (ExecutionException success) {
91	<	assertTrue(success.getCause() instanceof CFException);
132	>	assertSame(cause, success.getCause());
133		} catch (Throwable fail) { threadUnexpectedException(fail); }
134	+
135		try {
136	<	f.get(0L, SECONDS);
136	>	f.get();
137		shouldThrow();
138		} catch (ExecutionException success) {
139	<	assertTrue(success.getCause() instanceof CFException);
139	>	assertSame(cause, success.getCause());
140		} catch (Throwable fail) { threadUnexpectedException(fail); }
141	<	assertTrue(f.isDone());
141	>
142		assertFalse(f.isCancelled());
143	+	assertTrue(f.isDone());
144	+	assertTrue(f.isCompletedExceptionally());
145		assertTrue(f.toString().contains("[Completed exceptionally]"));
146		}
147
148	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
149	+	checkCompletedExceptionally(f, true,
150	+	(t) -> assertTrue(t instanceof CFException));
151	+	}
152	+
153	+	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
154	+	checkCompletedExceptionally(f, true,
155	+	(t) -> assertTrue(t instanceof CancellationException));
156	+	}
157	+
158	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
159	+	checkCompletedExceptionally(f, false,
160	+	(t) -> assertTrue(t instanceof TimeoutException));
161	+	}
162	+
163	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
164	+	Throwable ex) {
165	+	checkCompletedExceptionally(f, true, (t) -> assertSame(t, ex));
166	+	}
167	+
168	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
169	+	checkCompletedExceptionally(f, false, (t) -> assertSame(t, ex));
170	+	}
171	+
172		void checkCancelled(CompletableFuture<?> f) {
173	+	long startTime = System.nanoTime();
174		try {
175	<	f.join();
107	<	shouldThrow();
108	<	} catch (CancellationException success) {}
109	<	try {
110	<	f.getNow(null);
111	<	shouldThrow();
112	<	} catch (CancellationException success) {}
113	<	try {
114	<	f.get();
115	<	shouldThrow();
116	<	} catch (CancellationException success) {
117	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
118	<	try {
119	<	f.get(0L, SECONDS);
175	>	f.get(LONG_DELAY_MS, MILLISECONDS);
176		shouldThrow();
177		} catch (CancellationException success) {
178		} catch (Throwable fail) { threadUnexpectedException(fail); }
179	<	assertTrue(f.isDone());
124	<	assertTrue(f.isCancelled());
125	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
126	<	}
179	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
180
128	–	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
181		try {
182		f.join();
183		shouldThrow();
184	<	} catch (CompletionException success) {
133	<	assertTrue(success.getCause() instanceof CancellationException);
134	<	}
184	>	} catch (CancellationException success) {}
185		try {
186		f.getNow(null);
187		shouldThrow();
188	<	} catch (CompletionException success) {
139	<	assertTrue(success.getCause() instanceof CancellationException);
140	<	}
188	>	} catch (CancellationException success) {}
189		try {
190		f.get();
191		shouldThrow();
192	<	} catch (ExecutionException success) {
145	<	assertTrue(success.getCause() instanceof CancellationException);
146	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
147	<	try {
148	<	f.get(0L, SECONDS);
149	<	shouldThrow();
150	<	} catch (ExecutionException success) {
151	<	assertTrue(success.getCause() instanceof CancellationException);
192	>	} catch (CancellationException success) {
193		} catch (Throwable fail) { threadUnexpectedException(fail); }
194	+
195	+	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
196	+
197		assertTrue(f.isDone());
198	<	assertFalse(f.isCancelled());
198	>	assertTrue(f.isCompletedExceptionally());
199	>	assertTrue(f.isCancelled());
200		assertTrue(f.toString().contains("[Completed exceptionally]"));
201		}
202
#	Line 160 | Line 205 | public class CompletableFutureTest exten
205		* by methods isDone, isCancelled, and getNow
206		*/
207		public void testConstructor() {
208	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
208	>	CompletableFuture<Integer> f = new CompletableFuture<>();
209		checkIncomplete(f);
210		}
211
#	Line 169 | Line 214 | public class CompletableFutureTest exten
214		* isCancelled, join, get, and getNow
215		*/
216		public void testComplete() {
217	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
217	>	for (Integer v1 : new Integer[] { 1, null })
218	>	{
219	>	CompletableFuture<Integer> f = new CompletableFuture<>();
220		checkIncomplete(f);
221	<	f.complete(one);
222	<	checkCompletedNormally(f, one);
223	<	}
221	>	assertTrue(f.complete(v1));
222	>	assertFalse(f.complete(v1));
223	>	checkCompletedNormally(f, v1);
224	>	}}
225
226		/**
227		* completeExceptionally completes exceptionally, as indicated by
228		* methods isDone, isCancelled, join, get, and getNow
229		*/
230		public void testCompleteExceptionally() {
231	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
231	>	CompletableFuture<Integer> f = new CompletableFuture<>();
232	>	CFException ex = new CFException();
233		checkIncomplete(f);
234	<	f.completeExceptionally(new CFException());
235	<	checkCompletedWithWrappedCFException(f);
234	>	f.completeExceptionally(ex);
235	>	checkCompletedExceptionally(f, ex);
236		}
237
238		/**
#	Line 191 | Line 240 | public class CompletableFutureTest exten
240		* methods isDone, isCancelled, join, get, and getNow
241		*/
242		public void testCancel() {
243	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
243	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
244	>	{
245	>	CompletableFuture<Integer> f = new CompletableFuture<>();
246		checkIncomplete(f);
247	<	assertTrue(f.cancel(true));
247	>	assertTrue(f.cancel(mayInterruptIfRunning));
248	>	assertTrue(f.cancel(mayInterruptIfRunning));
249	>	assertTrue(f.cancel(!mayInterruptIfRunning));
250		checkCancelled(f);
251	<	}
251	>	}}
252
253		/**
254		* obtrudeValue forces completion with given value
255		*/
256		public void testObtrudeValue() {
257	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
257	>	CompletableFuture<Integer> f = new CompletableFuture<>();
258		checkIncomplete(f);
259	<	f.complete(one);
259	>	assertTrue(f.complete(one));
260		checkCompletedNormally(f, one);
261		f.obtrudeValue(three);
262		checkCompletedNormally(f, three);
263		f.obtrudeValue(two);
264		checkCompletedNormally(f, two);
265	<	f = new CompletableFuture<Integer>();
265	>	f = new CompletableFuture<>();
266		f.obtrudeValue(three);
267		checkCompletedNormally(f, three);
268	<	f = new CompletableFuture<Integer>();
268	>	f.obtrudeValue(null);
269	>	checkCompletedNormally(f, null);
270	>	f = new CompletableFuture<>();
271		f.completeExceptionally(new CFException());
272		f.obtrudeValue(four);
273		checkCompletedNormally(f, four);
#	Line 222 | Line 277 | public class CompletableFutureTest exten
277		* obtrudeException forces completion with given exception
278		*/
279		public void testObtrudeException() {
280	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
281	<	checkIncomplete(f);
282	<	f.complete(one);
283	<	checkCompletedNormally(f, one);
284	<	f.obtrudeException(new CFException());
285	<	checkCompletedWithWrappedCFException(f);
286	<	f = new CompletableFuture<Integer>();
287	<	f.obtrudeException(new CFException());
288	<	checkCompletedWithWrappedCFException(f);
289	<	f = new CompletableFuture<Integer>();
290	<	f.completeExceptionally(new CFException());
291	<	f.obtrudeValue(four);
292	<	checkCompletedNormally(f, four);
293	<	f.obtrudeException(new CFException());
294	<	checkCompletedWithWrappedCFException(f);
295	<	}
280	>	for (Integer v1 : new Integer[] { 1, null })
281	>	{
282	>	CFException ex;
283	>	CompletableFuture<Integer> f;
284	>
285	>	f = new CompletableFuture<>();
286	>	assertTrue(f.complete(v1));
287	>	for (int i = 0; i < 2; i++) {
288	>	f.obtrudeException(ex = new CFException());
289	>	checkCompletedExceptionally(f, ex);
290	>	}
291	>
292	>	f = new CompletableFuture<>();
293	>	for (int i = 0; i < 2; i++) {
294	>	f.obtrudeException(ex = new CFException());
295	>	checkCompletedExceptionally(f, ex);
296	>	}
297	>
298	>	f = new CompletableFuture<>();
299	>	f.completeExceptionally(ex = new CFException());
300	>	f.obtrudeValue(v1);
301	>	checkCompletedNormally(f, v1);
302	>	f.obtrudeException(ex = new CFException());
303	>	checkCompletedExceptionally(f, ex);
304	>	f.completeExceptionally(new CFException());
305	>	checkCompletedExceptionally(f, ex);
306	>	assertFalse(f.complete(v1));
307	>	checkCompletedExceptionally(f, ex);
308	>	}}
309
310		/**
311		* getNumberOfDependents returns number of dependent tasks
312		*/
313		public void testGetNumberOfDependents() {
314	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
315	<	assertEquals(f.getNumberOfDependents(), 0);
316	<	CompletableFuture g = f.thenRun(new Noop());
317	<	assertEquals(f.getNumberOfDependents(), 1);
318	<	assertEquals(g.getNumberOfDependents(), 0);
319	<	CompletableFuture h = f.thenRun(new Noop());
320	<	assertEquals(f.getNumberOfDependents(), 2);
321	<	f.complete(1);
322	<	checkCompletedNormally(g, null);
323	<	assertEquals(f.getNumberOfDependents(), 0);
324	<	assertEquals(g.getNumberOfDependents(), 0);
325	<	}
326	<
314	>	for (ExecutionMode m : ExecutionMode.values())
315	>	for (Integer v1 : new Integer[] { 1, null })
316	>	{
317	>	CompletableFuture<Integer> f = new CompletableFuture<>();
318	>	assertEquals(0, f.getNumberOfDependents());
319	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
320	>	assertEquals(1, f.getNumberOfDependents());
321	>	assertEquals(0, g.getNumberOfDependents());
322	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
323	>	assertEquals(2, f.getNumberOfDependents());
324	>	assertEquals(0, h.getNumberOfDependents());
325	>	assertTrue(f.complete(v1));
326	>	checkCompletedNormally(g, null);
327	>	checkCompletedNormally(h, null);
328	>	assertEquals(0, f.getNumberOfDependents());
329	>	assertEquals(0, g.getNumberOfDependents());
330	>	assertEquals(0, h.getNumberOfDependents());
331	>	}}
332
333		/**
334		* toString indicates current completion state
#	Line 266 | Line 339 | public class CompletableFutureTest exten
339		f = new CompletableFuture<String>();
340		assertTrue(f.toString().contains("[Not completed]"));
341
342	<	f.complete("foo");
342	>	assertTrue(f.complete("foo"));
343		assertTrue(f.toString().contains("[Completed normally]"));
344
345		f = new CompletableFuture<String>();
346	<	f.completeExceptionally(new IndexOutOfBoundsException());
346	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
347		assertTrue(f.toString().contains("[Completed exceptionally]"));
348	+
349	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
350	+	f = new CompletableFuture<String>();
351	+	assertTrue(f.cancel(mayInterruptIfRunning));
352	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
353	+	}
354		}
355
356		/**
#	Line 282 | Line 361 | public class CompletableFutureTest exten
361		checkCompletedNormally(f, "test");
362		}
363
364	<	// Choose non-commutative actions for better coverage
364	>	abstract class CheckedAction {
365	>	int invocationCount = 0;
366	>	final ExecutionMode m;
367	>	CheckedAction(ExecutionMode m) { this.m = m; }
368	>	void invoked() {
369	>	m.checkExecutionMode();
370	>	assertEquals(0, invocationCount++);
371	>	}
372	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
373	>	void assertInvoked() { assertEquals(1, invocationCount); }
374	>	}
375
376	<	static final Supplier<Integer> supplyOne =
377	<	() -> Integer.valueOf(1);
378	<	static final Function<Integer, Integer> inc =
379	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
380	<	static final BiFunction<Integer, Integer, Integer> subtract =
381	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
382	<	static final class IncAction implements Consumer<Integer> {
294	<	int value;
295	<	public void accept(Integer x) { value = x.intValue() + 1; }
376	>	abstract class CheckedIntegerAction extends CheckedAction {
377	>	Integer value;
378	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
379	>	void assertValue(Integer expected) {
380	>	assertInvoked();
381	>	assertEquals(expected, value);
382	>	}
383		}
384	<	static final class AddAction implements BiConsumer<Integer, Integer> {
385	<	int value;
384	>
385	>	class IntegerSupplier extends CheckedAction
386	>	implements Supplier<Integer>
387	>	{
388	>	final Integer value;
389	>	IntegerSupplier(ExecutionMode m, Integer value) {
390	>	super(m);
391	>	this.value = value;
392	>	}
393	>	public Integer get() {
394	>	invoked();
395	>	return value;
396	>	}
397	>	}
398	>
399	>	// A function that handles and produces null values as well.
400	>	static Integer inc(Integer x) {
401	>	return (x == null) ? null : x + 1;
402	>	}
403	>
404	>	class NoopConsumer extends CheckedIntegerAction
405	>	implements Consumer<Integer>
406	>	{
407	>	NoopConsumer(ExecutionMode m) { super(m); }
408	>	public void accept(Integer x) {
409	>	invoked();
410	>	value = x;
411	>	}
412	>	}
413	>
414	>	class IncFunction extends CheckedIntegerAction
415	>	implements Function<Integer,Integer>
416	>	{
417	>	IncFunction(ExecutionMode m) { super(m); }
418	>	public Integer apply(Integer x) {
419	>	invoked();
420	>	return value = inc(x);
421	>	}
422	>	}
423	>
424	>	// Choose non-commutative actions for better coverage
425	>	// A non-commutative function that handles and produces null values as well.
426	>	static Integer subtract(Integer x, Integer y) {
427	>	return (x == null && y == null) ? null :
428	>	((x == null) ? 42 : x.intValue())
429	>	- ((y == null) ? 99 : y.intValue());
430	>	}
431	>
432	>	class SubtractAction extends CheckedIntegerAction
433	>	implements BiConsumer<Integer, Integer>
434	>	{
435	>	SubtractAction(ExecutionMode m) { super(m); }
436		public void accept(Integer x, Integer y) {
437	<	value = x.intValue() + y.intValue();
437	>	invoked();
438	>	value = subtract(x, y);
439	>	}
440	>	}
441	>
442	>	class SubtractFunction extends CheckedIntegerAction
443	>	implements BiFunction<Integer, Integer, Integer>
444	>	{
445	>	SubtractFunction(ExecutionMode m) { super(m); }
446	>	public Integer apply(Integer x, Integer y) {
447	>	invoked();
448	>	return value = subtract(x, y);
449		}
450		}
451	<	static final class Noop implements Runnable {
452	<	boolean ran;
453	<	public void run() { ran = true; }
451	>
452	>	class Noop extends CheckedAction implements Runnable {
453	>	Noop(ExecutionMode m) { super(m); }
454	>	public void run() {
455	>	invoked();
456	>	}
457		}
458
459	<	static final class FailingSupplier implements Supplier<Integer> {
460	<	boolean ran;
461	<	public Integer get() { ran = true; throw new CFException(); }
459	>	class FailingSupplier extends CheckedAction
460	>	implements Supplier<Integer>
461	>	{
462	>	FailingSupplier(ExecutionMode m) { super(m); }
463	>	public Integer get() {
464	>	invoked();
465	>	throw new CFException();
466	>	}
467		}
468	<	static final class FailingConsumer implements Consumer<Integer> {
469	<	boolean ran;
470	<	public void accept(Integer x) { ran = true; throw new CFException(); }
468	>
469	>	class FailingConsumer extends CheckedIntegerAction
470	>	implements Consumer<Integer>
471	>	{
472	>	FailingConsumer(ExecutionMode m) { super(m); }
473	>	public void accept(Integer x) {
474	>	invoked();
475	>	value = x;
476	>	throw new CFException();
477	>	}
478		}
479	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
480	<	boolean ran;
481	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
479	>
480	>	class FailingBiConsumer extends CheckedIntegerAction
481	>	implements BiConsumer<Integer, Integer>
482	>	{
483	>	FailingBiConsumer(ExecutionMode m) { super(m); }
484	>	public void accept(Integer x, Integer y) {
485	>	invoked();
486	>	value = subtract(x, y);
487	>	throw new CFException();
488	>	}
489		}
490	<	static final class FailingFunction implements Function<Integer, Integer> {
491	<	boolean ran;
492	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
490	>
491	>	class FailingFunction extends CheckedIntegerAction
492	>	implements Function<Integer, Integer>
493	>	{
494	>	FailingFunction(ExecutionMode m) { super(m); }
495	>	public Integer apply(Integer x) {
496	>	invoked();
497	>	value = x;
498	>	throw new CFException();
499	>	}
500		}
501	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
502	<	boolean ran;
503	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
501	>
502	>	class FailingBiFunction extends CheckedIntegerAction
503	>	implements BiFunction<Integer, Integer, Integer>
504	>	{
505	>	FailingBiFunction(ExecutionMode m) { super(m); }
506	>	public Integer apply(Integer x, Integer y) {
507	>	invoked();
508	>	value = subtract(x, y);
509	>	throw new CFException();
510	>	}
511		}
512	<	static final class FailingNoop implements Runnable {
513	<	boolean ran;
514	<	public void run() { ran = true; throw new CFException(); }
512	>
513	>	class FailingRunnable extends CheckedAction implements Runnable {
514	>	FailingRunnable(ExecutionMode m) { super(m); }
515	>	public void run() {
516	>	invoked();
517	>	throw new CFException();
518	>	}
519		}
520
521	<	static final class CompletableFutureInc
522	<	implements Function<Integer, CompletableFuture<Integer>> {
521	>	class CompletableFutureInc extends CheckedIntegerAction
522	>	implements Function<Integer, CompletableFuture<Integer>>
523	>	{
524	>	CompletableFutureInc(ExecutionMode m) { super(m); }
525		public CompletableFuture<Integer> apply(Integer x) {
526	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
527	<	f.complete(Integer.valueOf(x.intValue() + 1));
526	>	invoked();
527	>	value = x;
528	>	CompletableFuture<Integer> f = new CompletableFuture<>();
529	>	assertTrue(f.complete(inc(x)));
530		return f;
531		}
532		}
533
534	<	static final class FailingCompletableFutureFunction
535	<	implements Function<Integer, CompletableFuture<Integer>> {
536	<	boolean ran;
534	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
535	>	implements Function<Integer, CompletableFuture<Integer>>
536	>	{
537	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
538		public CompletableFuture<Integer> apply(Integer x) {
539	<	ran = true; throw new CFException();
539	>	invoked();
540	>	value = x;
541	>	throw new CFException();
542		}
543		}
544
545		// Used for explicit executor tests
546		static final class ThreadExecutor implements Executor {
547	<	AtomicInteger count = new AtomicInteger(0);
547	>	final AtomicInteger count = new AtomicInteger(0);
548	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
549	>	static boolean startedCurrentThread() {
550	>	return Thread.currentThread().getThreadGroup() == tg;
551	>	}
552
553		public void execute(Runnable r) {
554		count.getAndIncrement();
555	<	new Thread(r).start();
555	>	new Thread(tg, r).start();
556		}
557		}
558
559	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
560	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
362	<	}
559	>	static final boolean defaultExecutorIsCommonPool
560	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
561
562	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
563	<	boolean ran;
564	<	public Integer apply(Integer x, Throwable t) {
565	<	ran = true;
566	<	return (t == null) ? two : three;
567	<	}
568	<	}
562	>	/**
563	>	* Permits the testing of parallel code for the 3 different
564	>	* execution modes without copy/pasting all the test methods.
565	>	*/
566	>	enum ExecutionMode {
567	>	SYNC {
568	>	public void checkExecutionMode() {
569	>	assertFalse(ThreadExecutor.startedCurrentThread());
570	>	assertNull(ForkJoinTask.getPool());
571	>	}
572	>	public CompletableFuture<Void> runAsync(Runnable a) {
573	>	throw new UnsupportedOperationException();
574	>	}
575	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
576	>	throw new UnsupportedOperationException();
577	>	}
578	>	public <T> CompletableFuture<Void> thenRun
579	>	(CompletableFuture<T> f, Runnable a) {
580	>	return f.thenRun(a);
581	>	}
582	>	public <T> CompletableFuture<Void> thenAccept
583	>	(CompletableFuture<T> f, Consumer<? super T> a) {
584	>	return f.thenAccept(a);
585	>	}
586	>	public <T,U> CompletableFuture<U> thenApply
587	>	(CompletableFuture<T> f, Function<? super T,U> a) {
588	>	return f.thenApply(a);
589	>	}
590	>	public <T,U> CompletableFuture<U> thenCompose
591	>	(CompletableFuture<T> f,
592	>	Function<? super T,? extends CompletionStage<U>> a) {
593	>	return f.thenCompose(a);
594	>	}
595	>	public <T,U> CompletableFuture<U> handle
596	>	(CompletableFuture<T> f,
597	>	BiFunction<? super T,Throwable,? extends U> a) {
598	>	return f.handle(a);
599	>	}
600	>	public <T> CompletableFuture<T> whenComplete
601	>	(CompletableFuture<T> f,
602	>	BiConsumer<? super T,? super Throwable> a) {
603	>	return f.whenComplete(a);
604	>	}
605	>	public <T,U> CompletableFuture<Void> runAfterBoth
606	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
607	>	return f.runAfterBoth(g, a);
608	>	}
609	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
610	>	(CompletableFuture<T> f,
611	>	CompletionStage<? extends U> g,
612	>	BiConsumer<? super T,? super U> a) {
613	>	return f.thenAcceptBoth(g, a);
614	>	}
615	>	public <T,U,V> CompletableFuture<V> thenCombine
616	>	(CompletableFuture<T> f,
617	>	CompletionStage<? extends U> g,
618	>	BiFunction<? super T,? super U,? extends V> a) {
619	>	return f.thenCombine(g, a);
620	>	}
621	>	public <T> CompletableFuture<Void> runAfterEither
622	>	(CompletableFuture<T> f,
623	>	CompletionStage<?> g,
624	>	java.lang.Runnable a) {
625	>	return f.runAfterEither(g, a);
626	>	}
627	>	public <T> CompletableFuture<Void> acceptEither
628	>	(CompletableFuture<T> f,
629	>	CompletionStage<? extends T> g,
630	>	Consumer<? super T> a) {
631	>	return f.acceptEither(g, a);
632	>	}
633	>	public <T,U> CompletableFuture<U> applyToEither
634	>	(CompletableFuture<T> f,
635	>	CompletionStage<? extends T> g,
636	>	Function<? super T,U> a) {
637	>	return f.applyToEither(g, a);
638	>	}
639	>	},
640	>
641	>	ASYNC {
642	>	public void checkExecutionMode() {
643	>	assertEquals(defaultExecutorIsCommonPool,
644	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
645	>	}
646	>	public CompletableFuture<Void> runAsync(Runnable a) {
647	>	return CompletableFuture.runAsync(a);
648	>	}
649	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
650	>	return CompletableFuture.supplyAsync(a);
651	>	}
652	>	public <T> CompletableFuture<Void> thenRun
653	>	(CompletableFuture<T> f, Runnable a) {
654	>	return f.thenRunAsync(a);
655	>	}
656	>	public <T> CompletableFuture<Void> thenAccept
657	>	(CompletableFuture<T> f, Consumer<? super T> a) {
658	>	return f.thenAcceptAsync(a);
659	>	}
660	>	public <T,U> CompletableFuture<U> thenApply
661	>	(CompletableFuture<T> f, Function<? super T,U> a) {
662	>	return f.thenApplyAsync(a);
663	>	}
664	>	public <T,U> CompletableFuture<U> thenCompose
665	>	(CompletableFuture<T> f,
666	>	Function<? super T,? extends CompletionStage<U>> a) {
667	>	return f.thenComposeAsync(a);
668	>	}
669	>	public <T,U> CompletableFuture<U> handle
670	>	(CompletableFuture<T> f,
671	>	BiFunction<? super T,Throwable,? extends U> a) {
672	>	return f.handleAsync(a);
673	>	}
674	>	public <T> CompletableFuture<T> whenComplete
675	>	(CompletableFuture<T> f,
676	>	BiConsumer<? super T,? super Throwable> a) {
677	>	return f.whenCompleteAsync(a);
678	>	}
679	>	public <T,U> CompletableFuture<Void> runAfterBoth
680	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
681	>	return f.runAfterBothAsync(g, a);
682	>	}
683	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
684	>	(CompletableFuture<T> f,
685	>	CompletionStage<? extends U> g,
686	>	BiConsumer<? super T,? super U> a) {
687	>	return f.thenAcceptBothAsync(g, a);
688	>	}
689	>	public <T,U,V> CompletableFuture<V> thenCombine
690	>	(CompletableFuture<T> f,
691	>	CompletionStage<? extends U> g,
692	>	BiFunction<? super T,? super U,? extends V> a) {
693	>	return f.thenCombineAsync(g, a);
694	>	}
695	>	public <T> CompletableFuture<Void> runAfterEither
696	>	(CompletableFuture<T> f,
697	>	CompletionStage<?> g,
698	>	java.lang.Runnable a) {
699	>	return f.runAfterEitherAsync(g, a);
700	>	}
701	>	public <T> CompletableFuture<Void> acceptEither
702	>	(CompletableFuture<T> f,
703	>	CompletionStage<? extends T> g,
704	>	Consumer<? super T> a) {
705	>	return f.acceptEitherAsync(g, a);
706	>	}
707	>	public <T,U> CompletableFuture<U> applyToEither
708	>	(CompletableFuture<T> f,
709	>	CompletionStage<? extends T> g,
710	>	Function<? super T,U> a) {
711	>	return f.applyToEitherAsync(g, a);
712	>	}
713	>	},
714	>
715	>	EXECUTOR {
716	>	public void checkExecutionMode() {
717	>	assertTrue(ThreadExecutor.startedCurrentThread());
718	>	}
719	>	public CompletableFuture<Void> runAsync(Runnable a) {
720	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
721	>	}
722	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
723	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
724	>	}
725	>	public <T> CompletableFuture<Void> thenRun
726	>	(CompletableFuture<T> f, Runnable a) {
727	>	return f.thenRunAsync(a, new ThreadExecutor());
728	>	}
729	>	public <T> CompletableFuture<Void> thenAccept
730	>	(CompletableFuture<T> f, Consumer<? super T> a) {
731	>	return f.thenAcceptAsync(a, new ThreadExecutor());
732	>	}
733	>	public <T,U> CompletableFuture<U> thenApply
734	>	(CompletableFuture<T> f, Function<? super T,U> a) {
735	>	return f.thenApplyAsync(a, new ThreadExecutor());
736	>	}
737	>	public <T,U> CompletableFuture<U> thenCompose
738	>	(CompletableFuture<T> f,
739	>	Function<? super T,? extends CompletionStage<U>> a) {
740	>	return f.thenComposeAsync(a, new ThreadExecutor());
741	>	}
742	>	public <T,U> CompletableFuture<U> handle
743	>	(CompletableFuture<T> f,
744	>	BiFunction<? super T,Throwable,? extends U> a) {
745	>	return f.handleAsync(a, new ThreadExecutor());
746	>	}
747	>	public <T> CompletableFuture<T> whenComplete
748	>	(CompletableFuture<T> f,
749	>	BiConsumer<? super T,? super Throwable> a) {
750	>	return f.whenCompleteAsync(a, new ThreadExecutor());
751	>	}
752	>	public <T,U> CompletableFuture<Void> runAfterBoth
753	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
754	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
755	>	}
756	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
757	>	(CompletableFuture<T> f,
758	>	CompletionStage<? extends U> g,
759	>	BiConsumer<? super T,? super U> a) {
760	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
761	>	}
762	>	public <T,U,V> CompletableFuture<V> thenCombine
763	>	(CompletableFuture<T> f,
764	>	CompletionStage<? extends U> g,
765	>	BiFunction<? super T,? super U,? extends V> a) {
766	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
767	>	}
768	>	public <T> CompletableFuture<Void> runAfterEither
769	>	(CompletableFuture<T> f,
770	>	CompletionStage<?> g,
771	>	java.lang.Runnable a) {
772	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
773	>	}
774	>	public <T> CompletableFuture<Void> acceptEither
775	>	(CompletableFuture<T> f,
776	>	CompletionStage<? extends T> g,
777	>	Consumer<? super T> a) {
778	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
779	>	}
780	>	public <T,U> CompletableFuture<U> applyToEither
781	>	(CompletableFuture<T> f,
782	>	CompletionStage<? extends T> g,
783	>	Function<? super T,U> a) {
784	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
785	>	}
786	>	};
787
788	+	public abstract void checkExecutionMode();
789	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
790	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
791	+	public abstract <T> CompletableFuture<Void> thenRun
792	+	(CompletableFuture<T> f, Runnable a);
793	+	public abstract <T> CompletableFuture<Void> thenAccept
794	+	(CompletableFuture<T> f, Consumer<? super T> a);
795	+	public abstract <T,U> CompletableFuture<U> thenApply
796	+	(CompletableFuture<T> f, Function<? super T,U> a);
797	+	public abstract <T,U> CompletableFuture<U> thenCompose
798	+	(CompletableFuture<T> f,
799	+	Function<? super T,? extends CompletionStage<U>> a);
800	+	public abstract <T,U> CompletableFuture<U> handle
801	+	(CompletableFuture<T> f,
802	+	BiFunction<? super T,Throwable,? extends U> a);
803	+	public abstract <T> CompletableFuture<T> whenComplete
804	+	(CompletableFuture<T> f,
805	+	BiConsumer<? super T,? super Throwable> a);
806	+	public abstract <T,U> CompletableFuture<Void> runAfterBoth
807	+	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
808	+	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
809	+	(CompletableFuture<T> f,
810	+	CompletionStage<? extends U> g,
811	+	BiConsumer<? super T,? super U> a);
812	+	public abstract <T,U,V> CompletableFuture<V> thenCombine
813	+	(CompletableFuture<T> f,
814	+	CompletionStage<? extends U> g,
815	+	BiFunction<? super T,? super U,? extends V> a);
816	+	public abstract <T> CompletableFuture<Void> runAfterEither
817	+	(CompletableFuture<T> f,
818	+	CompletionStage<?> g,
819	+	java.lang.Runnable a);
820	+	public abstract <T> CompletableFuture<Void> acceptEither
821	+	(CompletableFuture<T> f,
822	+	CompletionStage<? extends T> g,
823	+	Consumer<? super T> a);
824	+	public abstract <T,U> CompletableFuture<U> applyToEither
825	+	(CompletableFuture<T> f,
826	+	CompletionStage<? extends T> g,
827	+	Function<? super T,U> a);
828	+	}
829	+
830	+	/**
831	+	* exceptionally action is not invoked when source completes
832	+	* normally, and source result is propagated
833	+	*/
834	+	public void testExceptionally_normalCompletion() {
835	+	for (boolean createIncomplete : new boolean[] { true, false })
836	+	for (Integer v1 : new Integer[] { 1, null })
837	+	{
838	+	final AtomicInteger a = new AtomicInteger(0);
839	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
840	+	if (!createIncomplete) assertTrue(f.complete(v1));
841	+	final CompletableFuture<Integer> g = f.exceptionally
842	+	((Throwable t) -> {
843	+	a.getAndIncrement();
844	+	threadFail("should not be called");
845	+	return null;            // unreached
846	+	});
847	+	if (createIncomplete) assertTrue(f.complete(v1));
848	+
849	+	checkCompletedNormally(g, v1);
850	+	checkCompletedNormally(f, v1);
851	+	assertEquals(0, a.get());
852	+	}}
853
854		/**
855		* exceptionally action completes with function value on source
856	<	* exception;  otherwise with source value
856	>	* exception
857		*/
858	<	public void testExceptionally() {
859	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
860	<	ExceptionToInteger r = new ExceptionToInteger();
861	<	CompletableFuture<Integer> g = f.exceptionally(r);
862	<	f.completeExceptionally(new CFException());
863	<	checkCompletedNormally(g, three);
858	>	public void testExceptionally_exceptionalCompletion() {
859	>	for (boolean createIncomplete : new boolean[] { true, false })
860	>	for (Integer v1 : new Integer[] { 1, null })
861	>	{
862	>	final AtomicInteger a = new AtomicInteger(0);
863	>	final CFException ex = new CFException();
864	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
865	>	if (!createIncomplete) f.completeExceptionally(ex);
866	>	final CompletableFuture<Integer> g = f.exceptionally
867	>	((Throwable t) -> {
868	>	ExecutionMode.SYNC.checkExecutionMode();
869	>	threadAssertSame(t, ex);
870	>	a.getAndIncrement();
871	>	return v1;
872	>	});
873	>	if (createIncomplete) f.completeExceptionally(ex);
874	>
875	>	checkCompletedNormally(g, v1);
876	>	assertEquals(1, a.get());
877	>	}}
878	>
879	>	/**
880	>	* If an "exceptionally action" throws an exception, it completes
881	>	* exceptionally with that exception
882	>	*/
883	>	public void testExceptionally_exceptionalCompletionActionFailed() {
884	>	for (boolean createIncomplete : new boolean[] { true, false })
885	>	{
886	>	final AtomicInteger a = new AtomicInteger(0);
887	>	final CFException ex1 = new CFException();
888	>	final CFException ex2 = new CFException();
889	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
890	>	if (!createIncomplete) f.completeExceptionally(ex1);
891	>	final CompletableFuture<Integer> g = f.exceptionally
892	>	((Throwable t) -> {
893	>	ExecutionMode.SYNC.checkExecutionMode();
894	>	threadAssertSame(t, ex1);
895	>	a.getAndIncrement();
896	>	throw ex2;
897	>	});
898	>	if (createIncomplete) f.completeExceptionally(ex1);
899	>
900	>	checkCompletedWithWrappedException(g, ex2);
901	>	checkCompletedExceptionally(f, ex1);
902	>	assertEquals(1, a.get());
903	>	}}
904	>
905	>	/**
906	>	* whenComplete action executes on normal completion, propagating
907	>	* source result.
908	>	*/
909	>	public void testWhenComplete_normalCompletion() {
910	>	for (ExecutionMode m : ExecutionMode.values())
911	>	for (boolean createIncomplete : new boolean[] { true, false })
912	>	for (Integer v1 : new Integer[] { 1, null })
913	>	{
914	>	final AtomicInteger a = new AtomicInteger(0);
915	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
916	>	if (!createIncomplete) assertTrue(f.complete(v1));
917	>	final CompletableFuture<Integer> g = m.whenComplete
918	>	(f,
919	>	(Integer result, Throwable t) -> {
920	>	m.checkExecutionMode();
921	>	threadAssertSame(result, v1);
922	>	threadAssertNull(t);
923	>	a.getAndIncrement();
924	>	});
925	>	if (createIncomplete) assertTrue(f.complete(v1));
926	>
927	>	checkCompletedNormally(g, v1);
928	>	checkCompletedNormally(f, v1);
929	>	assertEquals(1, a.get());
930	>	}}
931	>
932	>	/**
933	>	* whenComplete action executes on exceptional completion, propagating
934	>	* source result.
935	>	*/
936	>	public void testWhenComplete_exceptionalCompletion() {
937	>	for (ExecutionMode m : ExecutionMode.values())
938	>	for (boolean createIncomplete : new boolean[] { true, false })
939	>	{
940	>	final AtomicInteger a = new AtomicInteger(0);
941	>	final CFException ex = new CFException();
942	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
943	>	if (!createIncomplete) f.completeExceptionally(ex);
944	>	final CompletableFuture<Integer> g = m.whenComplete
945	>	(f,
946	>	(Integer result, Throwable t) -> {
947	>	m.checkExecutionMode();
948	>	threadAssertNull(result);
949	>	threadAssertSame(t, ex);
950	>	a.getAndIncrement();
951	>	});
952	>	if (createIncomplete) f.completeExceptionally(ex);
953	>
954	>	checkCompletedWithWrappedException(g, ex);
955	>	checkCompletedExceptionally(f, ex);
956	>	assertEquals(1, a.get());
957	>	}}
958	>
959	>	/**
960	>	* whenComplete action executes on cancelled source, propagating
961	>	* CancellationException.
962	>	*/
963	>	public void testWhenComplete_sourceCancelled() {
964	>	for (ExecutionMode m : ExecutionMode.values())
965	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
966	>	for (boolean createIncomplete : new boolean[] { true, false })
967	>	{
968	>	final AtomicInteger a = new AtomicInteger(0);
969	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
970	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
971	>	final CompletableFuture<Integer> g = m.whenComplete
972	>	(f,
973	>	(Integer result, Throwable t) -> {
974	>	m.checkExecutionMode();
975	>	threadAssertNull(result);
976	>	threadAssertTrue(t instanceof CancellationException);
977	>	a.getAndIncrement();
978	>	});
979	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
980
981	<	f = new CompletableFuture<Integer>();
982	<	r = new ExceptionToInteger();
983	<	g = f.exceptionally(r);
984	<	f.complete(one);
388	<	checkCompletedNormally(g, one);
389	<	}
981	>	checkCompletedWithWrappedCancellationException(g);
982	>	checkCancelled(f);
983	>	assertEquals(1, a.get());
984	>	}}
985
986		/**
987	<	* handle action completes normally with function value on either
988	<	* normal or exceptional completion of source
987	>	* If a whenComplete action throws an exception when triggered by
988	>	* a normal completion, it completes exceptionally
989		*/
990	<	public void testHandle() {
991	<	CompletableFuture<Integer> f, g;
992	<	IntegerHandler r;
990	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
991	>	for (boolean createIncomplete : new boolean[] { true, false })
992	>	for (ExecutionMode m : ExecutionMode.values())
993	>	for (Integer v1 : new Integer[] { 1, null })
994	>	{
995	>	final AtomicInteger a = new AtomicInteger(0);
996	>	final CFException ex = new CFException();
997	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
998	>	if (!createIncomplete) assertTrue(f.complete(v1));
999	>	final CompletableFuture<Integer> g = m.whenComplete
1000	>	(f,
1001	>	(Integer result, Throwable t) -> {
1002	>	m.checkExecutionMode();
1003	>	threadAssertSame(result, v1);
1004	>	threadAssertNull(t);
1005	>	a.getAndIncrement();
1006	>	throw ex;
1007	>	});
1008	>	if (createIncomplete) assertTrue(f.complete(v1));
1009	>
1010	>	checkCompletedWithWrappedException(g, ex);
1011	>	checkCompletedNormally(f, v1);
1012	>	assertEquals(1, a.get());
1013	>	}}
1014	>
1015	>	/**
1016	>	* If a whenComplete action throws an exception when triggered by
1017	>	* a source completion that also throws an exception, the source
1018	>	* exception takes precedence (unlike handle)
1019	>	*/
1020	>	public void testWhenComplete_sourceFailedActionFailed() {
1021	>	for (boolean createIncomplete : new boolean[] { true, false })
1022	>	for (ExecutionMode m : ExecutionMode.values())
1023	>	{
1024	>	final AtomicInteger a = new AtomicInteger(0);
1025	>	final CFException ex1 = new CFException();
1026	>	final CFException ex2 = new CFException();
1027	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1028	>
1029	>	if (!createIncomplete) f.completeExceptionally(ex1);
1030	>	final CompletableFuture<Integer> g = m.whenComplete
1031	>	(f,
1032	>	(Integer result, Throwable t) -> {
1033	>	m.checkExecutionMode();
1034	>	threadAssertSame(t, ex1);
1035	>	threadAssertNull(result);
1036	>	a.getAndIncrement();
1037	>	throw ex2;
1038	>	});
1039	>	if (createIncomplete) f.completeExceptionally(ex1);
1040	>
1041	>	checkCompletedWithWrappedException(g, ex1);
1042	>	checkCompletedExceptionally(f, ex1);
1043	>	assertEquals(1, ex1.getSuppressed().length);
1044	>	assertSame(ex2, ex1.getSuppressed()[0]);
1045	>	assertEquals(1, a.get());
1046	>	}}
1047	>
1048	>	/**
1049	>	* handle action completes normally with function value on normal
1050	>	* completion of source
1051	>	*/
1052	>	public void testHandle_normalCompletion() {
1053	>	for (ExecutionMode m : ExecutionMode.values())
1054	>	for (boolean createIncomplete : new boolean[] { true, false })
1055	>	for (Integer v1 : new Integer[] { 1, null })
1056	>	{
1057	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1058	>	final AtomicInteger a = new AtomicInteger(0);
1059	>	if (!createIncomplete) assertTrue(f.complete(v1));
1060	>	final CompletableFuture<Integer> g = m.handle
1061	>	(f,
1062	>	(Integer result, Throwable t) -> {
1063	>	m.checkExecutionMode();
1064	>	threadAssertSame(result, v1);
1065	>	threadAssertNull(t);
1066	>	a.getAndIncrement();
1067	>	return inc(v1);
1068	>	});
1069	>	if (createIncomplete) assertTrue(f.complete(v1));
1070	>
1071	>	checkCompletedNormally(g, inc(v1));
1072	>	checkCompletedNormally(f, v1);
1073	>	assertEquals(1, a.get());
1074	>	}}
1075
1076	<	f = new CompletableFuture<Integer>();
1077	<	f.completeExceptionally(new CFException());
1078	<	g = f.handle(r = new IntegerHandler());
1079	<	assertTrue(r.ran);
1080	<	checkCompletedNormally(g, three);
1081	<
1082	<	f = new CompletableFuture<Integer>();
1083	<	g = f.handle(r = new IntegerHandler());
1084	<	assertFalse(r.ran);
1085	<	f.completeExceptionally(new CFException());
1086	<	checkCompletedNormally(g, three);
1087	<	assertTrue(r.ran);
1076	>	/**
1077	>	* handle action completes normally with function value on
1078	>	* exceptional completion of source
1079	>	*/
1080	>	public void testHandle_exceptionalCompletion() {
1081	>	for (ExecutionMode m : ExecutionMode.values())
1082	>	for (boolean createIncomplete : new boolean[] { true, false })
1083	>	for (Integer v1 : new Integer[] { 1, null })
1084	>	{
1085	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1086	>	final AtomicInteger a = new AtomicInteger(0);
1087	>	final CFException ex = new CFException();
1088	>	if (!createIncomplete) f.completeExceptionally(ex);
1089	>	final CompletableFuture<Integer> g = m.handle
1090	>	(f,
1091	>	(Integer result, Throwable t) -> {
1092	>	m.checkExecutionMode();
1093	>	threadAssertNull(result);
1094	>	threadAssertSame(t, ex);
1095	>	a.getAndIncrement();
1096	>	return v1;
1097	>	});
1098	>	if (createIncomplete) f.completeExceptionally(ex);
1099	>
1100	>	checkCompletedNormally(g, v1);
1101	>	checkCompletedExceptionally(f, ex);
1102	>	assertEquals(1, a.get());
1103	>	}}
1104	>
1105	>	/**
1106	>	* handle action completes normally with function value on
1107	>	* cancelled source
1108	>	*/
1109	>	public void testHandle_sourceCancelled() {
1110	>	for (ExecutionMode m : ExecutionMode.values())
1111	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1112	>	for (boolean createIncomplete : new boolean[] { true, false })
1113	>	for (Integer v1 : new Integer[] { 1, null })
1114	>	{
1115	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1116	>	final AtomicInteger a = new AtomicInteger(0);
1117	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1118	>	final CompletableFuture<Integer> g = m.handle
1119	>	(f,
1120	>	(Integer result, Throwable t) -> {
1121	>	m.checkExecutionMode();
1122	>	threadAssertNull(result);
1123	>	threadAssertTrue(t instanceof CancellationException);
1124	>	a.getAndIncrement();
1125	>	return v1;
1126	>	});
1127	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1128
1129	<	f = new CompletableFuture<Integer>();
1130	<	f.complete(one);
1131	<	g = f.handle(r = new IntegerHandler());
1132	<	assertTrue(r.ran);
416	<	checkCompletedNormally(g, two);
417	<
418	<	f = new CompletableFuture<Integer>();
419	<	g = f.handle(r = new IntegerHandler());
420	<	assertFalse(r.ran);
421	<	f.complete(one);
422	<	assertTrue(r.ran);
423	<	checkCompletedNormally(g, two);
424	<	}
1129	>	checkCompletedNormally(g, v1);
1130	>	checkCancelled(f);
1131	>	assertEquals(1, a.get());
1132	>	}}
1133
1134		/**
1135	<	* runAsync completes after running Runnable
1135	>	* If a "handle action" throws an exception when triggered by
1136	>	* a normal completion, it completes exceptionally
1137		*/
1138	<	public void testRunAsync() {
1139	<	Noop r = new Noop();
1140	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1141	<	assertNull(f.join());
1142	<	assertTrue(r.ran);
1143	<	checkCompletedNormally(f, null);
1144	<	}
1138	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1139	>	for (ExecutionMode m : ExecutionMode.values())
1140	>	for (boolean createIncomplete : new boolean[] { true, false })
1141	>	for (Integer v1 : new Integer[] { 1, null })
1142	>	{
1143	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1144	>	final AtomicInteger a = new AtomicInteger(0);
1145	>	final CFException ex = new CFException();
1146	>	if (!createIncomplete) assertTrue(f.complete(v1));
1147	>	final CompletableFuture<Integer> g = m.handle
1148	>	(f,
1149	>	(Integer result, Throwable t) -> {
1150	>	m.checkExecutionMode();
1151	>	threadAssertSame(result, v1);
1152	>	threadAssertNull(t);
1153	>	a.getAndIncrement();
1154	>	throw ex;
1155	>	});
1156	>	if (createIncomplete) assertTrue(f.complete(v1));
1157	>
1158	>	checkCompletedWithWrappedException(g, ex);
1159	>	checkCompletedNormally(f, v1);
1160	>	assertEquals(1, a.get());
1161	>	}}
1162	>
1163	>	/**
1164	>	* If a "handle action" throws an exception when triggered by
1165	>	* a source completion that also throws an exception, the action
1166	>	* exception takes precedence (unlike whenComplete)
1167	>	*/
1168	>	public void testHandle_sourceFailedActionFailed() {
1169	>	for (boolean createIncomplete : new boolean[] { true, false })
1170	>	for (ExecutionMode m : ExecutionMode.values())
1171	>	{
1172	>	final AtomicInteger a = new AtomicInteger(0);
1173	>	final CFException ex1 = new CFException();
1174	>	final CFException ex2 = new CFException();
1175	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1176	>
1177	>	if (!createIncomplete) f.completeExceptionally(ex1);
1178	>	final CompletableFuture<Integer> g = m.handle
1179	>	(f,
1180	>	(Integer result, Throwable t) -> {
1181	>	m.checkExecutionMode();
1182	>	threadAssertNull(result);
1183	>	threadAssertSame(ex1, t);
1184	>	a.getAndIncrement();
1185	>	throw ex2;
1186	>	});
1187	>	if (createIncomplete) f.completeExceptionally(ex1);
1188	>
1189	>	checkCompletedWithWrappedException(g, ex2);
1190	>	checkCompletedExceptionally(f, ex1);
1191	>	assertEquals(1, a.get());
1192	>	}}
1193
1194		/**
1195	<	* runAsync with executor completes after running Runnable
1195	>	* runAsync completes after running Runnable
1196		*/
1197	<	public void testRunAsync2() {
1198	<	Noop r = new Noop();
1199	<	ThreadExecutor exec = new ThreadExecutor();
1200	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
1197	>	public void testRunAsync_normalCompletion() {
1198	>	ExecutionMode[] executionModes = {
1199	>	ExecutionMode.ASYNC,
1200	>	ExecutionMode.EXECUTOR,
1201	>	};
1202	>	for (ExecutionMode m : executionModes)
1203	>	{
1204	>	final Noop r = new Noop(m);
1205	>	final CompletableFuture<Void> f = m.runAsync(r);
1206		assertNull(f.join());
445	–	assertTrue(r.ran);
1207		checkCompletedNormally(f, null);
1208	<	assertEquals(1, exec.count.get());
1209	<	}
1208	>	r.assertInvoked();
1209	>	}}
1210
1211		/**
1212		* failing runAsync completes exceptionally after running Runnable
1213		*/
1214	<	public void testRunAsync3() {
1215	<	FailingNoop r = new FailingNoop();
1216	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1214	>	public void testRunAsync_exceptionalCompletion() {
1215	>	ExecutionMode[] executionModes = {
1216	>	ExecutionMode.ASYNC,
1217	>	ExecutionMode.EXECUTOR,
1218	>	};
1219	>	for (ExecutionMode m : executionModes)
1220	>	{
1221	>	final FailingRunnable r = new FailingRunnable(m);
1222	>	final CompletableFuture<Void> f = m.runAsync(r);
1223		checkCompletedWithWrappedCFException(f);
1224	<	assertTrue(r.ran);
1225	<	}
1224	>	r.assertInvoked();
1225	>	}}
1226
1227		/**
1228		* supplyAsync completes with result of supplier
1229		*/
1230	<	public void testSupplyAsync() {
1231	<	CompletableFuture<Integer> f;
1232	<	f = CompletableFuture.supplyAsync(supplyOne);
1233	<	assertEquals(f.join(), one);
1234	<	checkCompletedNormally(f, one);
1235	<	}
1236	<
1237	<	/**
1238	<	* supplyAsync with executor completes with result of supplier
1239	<	*/
1240	<	public void testSupplyAsync2() {
1241	<	CompletableFuture<Integer> f;
1242	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1243	<	assertEquals(f.join(), one);
477	<	checkCompletedNormally(f, one);
478	<	}
1230	>	public void testSupplyAsync_normalCompletion() {
1231	>	ExecutionMode[] executionModes = {
1232	>	ExecutionMode.ASYNC,
1233	>	ExecutionMode.EXECUTOR,
1234	>	};
1235	>	for (ExecutionMode m : executionModes)
1236	>	for (Integer v1 : new Integer[] { 1, null })
1237	>	{
1238	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1239	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1240	>	assertSame(v1, f.join());
1241	>	checkCompletedNormally(f, v1);
1242	>	r.assertInvoked();
1243	>	}}
1244
1245		/**
1246		* Failing supplyAsync completes exceptionally
1247		*/
1248	<	public void testSupplyAsync3() {
1249	<	FailingSupplier r = new FailingSupplier();
1250	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1248	>	public void testSupplyAsync_exceptionalCompletion() {
1249	>	ExecutionMode[] executionModes = {
1250	>	ExecutionMode.ASYNC,
1251	>	ExecutionMode.EXECUTOR,
1252	>	};
1253	>	for (ExecutionMode m : executionModes)
1254	>	{
1255	>	FailingSupplier r = new FailingSupplier(m);
1256	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1257		checkCompletedWithWrappedCFException(f);
1258	<	assertTrue(r.ran);
1259	<	}
1258	>	r.assertInvoked();
1259	>	}}
1260
1261		// seq completion methods
1262
1263		/**
1264		* thenRun result completes normally after normal completion of source
1265		*/
1266	<	public void testThenRun() {
1267	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1268	<	Noop r = new Noop();
1269	<	CompletableFuture<Void> g = f.thenRun(r);
1270	<	f.complete(null);
1271	<	checkCompletedNormally(g, null);
1272	<	// reordered version
1273	<	f = new CompletableFuture<Integer>();
1274	<	f.complete(null);
1275	<	r = new Noop();
1276	<	g = f.thenRun(r);
1277	<	checkCompletedNormally(g, null);
1278	<	}
1266	>	public void testThenRun_normalCompletion() {
1267	>	for (ExecutionMode m : ExecutionMode.values())
1268	>	for (Integer v1 : new Integer[] { 1, null })
1269	>	{
1270	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1271	>	final Noop[] rs = new Noop[6];
1272	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1273	>
1274	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1275	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1276	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1277	>	checkIncomplete(h0);
1278	>	checkIncomplete(h1);
1279	>	checkIncomplete(h2);
1280	>	assertTrue(f.complete(v1));
1281	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1282	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1283	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1284	>
1285	>	checkCompletedNormally(h0, null);
1286	>	checkCompletedNormally(h1, null);
1287	>	checkCompletedNormally(h2, null);
1288	>	checkCompletedNormally(h3, null);
1289	>	checkCompletedNormally(h4, null);
1290	>	checkCompletedNormally(h5, null);
1291	>	checkCompletedNormally(f, v1);
1292	>	for (Noop r : rs) r.assertInvoked();
1293	>	}}
1294
1295		/**
1296		* thenRun result completes exceptionally after exceptional
1297		* completion of source
1298		*/
1299	<	public void testThenRun2() {
1300	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1301	<	Noop r = new Noop();
1302	<	CompletableFuture<Void> g = f.thenRun(r);
1303	<	f.completeExceptionally(new CFException());
1304	<	checkCompletedWithWrappedCFException(g);
1305	<	}
1299	>	public void testThenRun_exceptionalCompletion() {
1300	>	for (ExecutionMode m : ExecutionMode.values())
1301	>	{
1302	>	final CFException ex = new CFException();
1303	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1304	>	final Noop[] rs = new Noop[6];
1305	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1306	>
1307	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1308	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1309	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1310	>	checkIncomplete(h0);
1311	>	checkIncomplete(h1);
1312	>	checkIncomplete(h2);
1313	>	assertTrue(f.completeExceptionally(ex));
1314	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1315	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1316	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1317	>
1318	>	checkCompletedWithWrappedException(h0, ex);
1319	>	checkCompletedWithWrappedException(h1, ex);
1320	>	checkCompletedWithWrappedException(h2, ex);
1321	>	checkCompletedWithWrappedException(h3, ex);
1322	>	checkCompletedWithWrappedException(h4, ex);
1323	>	checkCompletedWithWrappedException(h5, ex);
1324	>	checkCompletedExceptionally(f, ex);
1325	>	for (Noop r : rs) r.assertNotInvoked();
1326	>	}}
1327
1328		/**
1329	<	* thenRun result completes exceptionally if action does
1329	>	* thenRun result completes exceptionally if source cancelled
1330		*/
1331	<	public void testThenRun3() {
1332	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1333	<	FailingNoop r = new FailingNoop();
1334	<	CompletableFuture<Void> g = f.thenRun(r);
1335	<	f.complete(null);
1336	<	checkCompletedWithWrappedCFException(g);
1337	<	}
1331	>	public void testThenRun_sourceCancelled() {
1332	>	for (ExecutionMode m : ExecutionMode.values())
1333	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1334	>	{
1335	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1336	>	final Noop[] rs = new Noop[6];
1337	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1338	>
1339	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1340	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1341	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1342	>	checkIncomplete(h0);
1343	>	checkIncomplete(h1);
1344	>	checkIncomplete(h2);
1345	>	assertTrue(f.cancel(mayInterruptIfRunning));
1346	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1347	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1348	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1349	>
1350	>	checkCompletedWithWrappedCancellationException(h0);
1351	>	checkCompletedWithWrappedCancellationException(h1);
1352	>	checkCompletedWithWrappedCancellationException(h2);
1353	>	checkCompletedWithWrappedCancellationException(h3);
1354	>	checkCompletedWithWrappedCancellationException(h4);
1355	>	checkCompletedWithWrappedCancellationException(h5);
1356	>	checkCancelled(f);
1357	>	for (Noop r : rs) r.assertNotInvoked();
1358	>	}}
1359
1360		/**
1361	<	* thenRun result completes exceptionally if source cancelled
1361	>	* thenRun result completes exceptionally if action does
1362		*/
1363	<	public void testThenRun4() {
1364	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1365	<	Noop r = new Noop();
1366	<	CompletableFuture<Void> g = f.thenRun(r);
1367	<	assertTrue(f.cancel(true));
1368	<	checkCompletedWithWrappedCancellationException(g);
1369	<	}
1363	>	public void testThenRun_actionFailed() {
1364	>	for (ExecutionMode m : ExecutionMode.values())
1365	>	for (Integer v1 : new Integer[] { 1, null })
1366	>	{
1367	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1368	>	final FailingRunnable[] rs = new FailingRunnable[6];
1369	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1370	>
1371	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1372	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1373	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1374	>	assertTrue(f.complete(v1));
1375	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1376	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1377	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1378	>
1379	>	checkCompletedWithWrappedCFException(h0);
1380	>	checkCompletedWithWrappedCFException(h1);
1381	>	checkCompletedWithWrappedCFException(h2);
1382	>	checkCompletedWithWrappedCFException(h3);
1383	>	checkCompletedWithWrappedCFException(h4);
1384	>	checkCompletedWithWrappedCFException(h5);
1385	>	checkCompletedNormally(f, v1);
1386	>	}}
1387
1388		/**
1389		* thenApply result completes normally after normal completion of source
1390		*/
1391	<	public void testThenApply() {
1392	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1393	<	CompletableFuture<Integer> g = f.thenApply(inc);
1394	<	f.complete(one);
1395	<	checkCompletedNormally(g, two);
1396	<	}
1391	>	public void testThenApply_normalCompletion() {
1392	>	for (ExecutionMode m : ExecutionMode.values())
1393	>	for (Integer v1 : new Integer[] { 1, null })
1394	>	{
1395	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1396	>	final IncFunction[] rs = new IncFunction[4];
1397	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1398	>
1399	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1400	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1401	>	checkIncomplete(h0);
1402	>	checkIncomplete(h1);
1403	>	assertTrue(f.complete(v1));
1404	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1405	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1406	>
1407	>	checkCompletedNormally(h0, inc(v1));
1408	>	checkCompletedNormally(h1, inc(v1));
1409	>	checkCompletedNormally(h2, inc(v1));
1410	>	checkCompletedNormally(h3, inc(v1));
1411	>	checkCompletedNormally(f, v1);
1412	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1413	>	}}
1414
1415		/**
1416		* thenApply result completes exceptionally after exceptional
1417		* completion of source
1418		*/
1419	<	public void testThenApply2() {
1420	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1421	<	CompletableFuture<Integer> g = f.thenApply(inc);
1422	<	f.completeExceptionally(new CFException());
1423	<	checkCompletedWithWrappedCFException(g);
1424	<	}
1419	>	public void testThenApply_exceptionalCompletion() {
1420	>	for (ExecutionMode m : ExecutionMode.values())
1421	>	{
1422	>	final CFException ex = new CFException();
1423	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1424	>	final IncFunction[] rs = new IncFunction[4];
1425	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1426	>
1427	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1428	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1429	>	assertTrue(f.completeExceptionally(ex));
1430	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1431	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1432	>
1433	>	checkCompletedWithWrappedException(h0, ex);
1434	>	checkCompletedWithWrappedException(h1, ex);
1435	>	checkCompletedWithWrappedException(h2, ex);
1436	>	checkCompletedWithWrappedException(h3, ex);
1437	>	checkCompletedExceptionally(f, ex);
1438	>	for (IncFunction r : rs) r.assertNotInvoked();
1439	>	}}
1440
1441		/**
1442	<	* thenApply result completes exceptionally if action does
1442	>	* thenApply result completes exceptionally if source cancelled
1443		*/
1444	<	public void testThenApply3() {
1445	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1446	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1447	<	f.complete(one);
1448	<	checkCompletedWithWrappedCFException(g);
1449	<	}
1444	>	public void testThenApply_sourceCancelled() {
1445	>	for (ExecutionMode m : ExecutionMode.values())
1446	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1447	>	{
1448	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1449	>	final IncFunction[] rs = new IncFunction[4];
1450	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1451	>
1452	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1453	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1454	>	assertTrue(f.cancel(mayInterruptIfRunning));
1455	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1456	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1457	>
1458	>	checkCompletedWithWrappedCancellationException(h0);
1459	>	checkCompletedWithWrappedCancellationException(h1);
1460	>	checkCompletedWithWrappedCancellationException(h2);
1461	>	checkCompletedWithWrappedCancellationException(h3);
1462	>	checkCancelled(f);
1463	>	for (IncFunction r : rs) r.assertNotInvoked();
1464	>	}}
1465
1466		/**
1467	<	* thenApply result completes exceptionally if source cancelled
1467	>	* thenApply result completes exceptionally if action does
1468		*/
1469	<	public void testThenApply4() {
1470	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1471	<	CompletableFuture<Integer> g = f.thenApply(inc);
1472	<	assertTrue(f.cancel(true));
1473	<	checkCompletedWithWrappedCancellationException(g);
1474	<	}
1469	>	public void testThenApply_actionFailed() {
1470	>	for (ExecutionMode m : ExecutionMode.values())
1471	>	for (Integer v1 : new Integer[] { 1, null })
1472	>	{
1473	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1474	>	final FailingFunction[] rs = new FailingFunction[4];
1475	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1476	>
1477	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1478	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1479	>	assertTrue(f.complete(v1));
1480	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1481	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1482	>
1483	>	checkCompletedWithWrappedCFException(h0);
1484	>	checkCompletedWithWrappedCFException(h1);
1485	>	checkCompletedWithWrappedCFException(h2);
1486	>	checkCompletedWithWrappedCFException(h3);
1487	>	checkCompletedNormally(f, v1);
1488	>	}}
1489
1490		/**
1491		* thenAccept result completes normally after normal completion of source
1492		*/
1493	<	public void testThenAccept() {
1494	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1495	<	IncAction r = new IncAction();
1496	<	CompletableFuture<Void> g = f.thenAccept(r);
1497	<	f.complete(one);
1498	<	checkCompletedNormally(g, null);
1499	<	assertEquals(r.value, 2);
1500	<	}
1493	>	public void testThenAccept_normalCompletion() {
1494	>	for (ExecutionMode m : ExecutionMode.values())
1495	>	for (Integer v1 : new Integer[] { 1, null })
1496	>	{
1497	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1498	>	final NoopConsumer[] rs = new NoopConsumer[4];
1499	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1500	>
1501	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1502	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1503	>	checkIncomplete(h0);
1504	>	checkIncomplete(h1);
1505	>	assertTrue(f.complete(v1));
1506	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1507	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1508	>
1509	>	checkCompletedNormally(h0, null);
1510	>	checkCompletedNormally(h1, null);
1511	>	checkCompletedNormally(h2, null);
1512	>	checkCompletedNormally(h3, null);
1513	>	checkCompletedNormally(f, v1);
1514	>	for (NoopConsumer r : rs) r.assertValue(v1);
1515	>	}}
1516
1517		/**
1518		* thenAccept result completes exceptionally after exceptional
1519		* completion of source
1520		*/
1521	<	public void testThenAccept2() {
1522	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1523	<	IncAction r = new IncAction();
1524	<	CompletableFuture<Void> g = f.thenAccept(r);
1525	<	f.completeExceptionally(new CFException());
1526	<	checkCompletedWithWrappedCFException(g);
1527	<	}
1521	>	public void testThenAccept_exceptionalCompletion() {
1522	>	for (ExecutionMode m : ExecutionMode.values())
1523	>	{
1524	>	final CFException ex = new CFException();
1525	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1526	>	final NoopConsumer[] rs = new NoopConsumer[4];
1527	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1528	>
1529	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1530	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1531	>	assertTrue(f.completeExceptionally(ex));
1532	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1533	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1534	>
1535	>	checkCompletedWithWrappedException(h0, ex);
1536	>	checkCompletedWithWrappedException(h1, ex);
1537	>	checkCompletedWithWrappedException(h2, ex);
1538	>	checkCompletedWithWrappedException(h3, ex);
1539	>	checkCompletedExceptionally(f, ex);
1540	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1541	>	}}
1542
1543		/**
1544	<	* thenAccept result completes exceptionally if action does
1544	>	* thenAccept result completes exceptionally if source cancelled
1545		*/
1546	<	public void testThenAccept3() {
1547	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1548	<	FailingConsumer r = new FailingConsumer();
1549	<	CompletableFuture<Void> g = f.thenAccept(r);
1550	<	f.complete(one);
1551	<	checkCompletedWithWrappedCFException(g);
1552	<	assertTrue(r.ran);
1553	<	}
1546	>	public void testThenAccept_sourceCancelled() {
1547	>	for (ExecutionMode m : ExecutionMode.values())
1548	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1549	>	{
1550	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1551	>	final NoopConsumer[] rs = new NoopConsumer[4];
1552	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1553	>
1554	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1555	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1556	>	assertTrue(f.cancel(mayInterruptIfRunning));
1557	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1558	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1559	>
1560	>	checkCompletedWithWrappedCancellationException(h0);
1561	>	checkCompletedWithWrappedCancellationException(h1);
1562	>	checkCompletedWithWrappedCancellationException(h2);
1563	>	checkCompletedWithWrappedCancellationException(h3);
1564	>	checkCancelled(f);
1565	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1566	>	}}
1567
1568		/**
1569	<	* thenAccept result completes exceptionally if source cancelled
1569	>	* thenAccept result completes exceptionally if action does
1570		*/
1571	<	public void testThenAccept4() {
1572	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1573	<	IncAction r = new IncAction();
1574	<	CompletableFuture<Void> g = f.thenAccept(r);
1575	<	assertTrue(f.cancel(true));
1576	<	checkCompletedWithWrappedCancellationException(g);
1577	<	}
1578	<
1571	>	public void testThenAccept_actionFailed() {
1572	>	for (ExecutionMode m : ExecutionMode.values())
1573	>	for (Integer v1 : new Integer[] { 1, null })
1574	>	{
1575	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1576	>	final FailingConsumer[] rs = new FailingConsumer[4];
1577	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1578	>
1579	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1580	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1581	>	assertTrue(f.complete(v1));
1582	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1583	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1584	>
1585	>	checkCompletedWithWrappedCFException(h0);
1586	>	checkCompletedWithWrappedCFException(h1);
1587	>	checkCompletedWithWrappedCFException(h2);
1588	>	checkCompletedWithWrappedCFException(h3);
1589	>	checkCompletedNormally(f, v1);
1590	>	}}
1591
1592		/**
1593		* thenCombine result completes normally after normal completion
1594		* of sources
1595		*/
1596	<	public void testThenCombine() {
1597	<	CompletableFuture<Integer> f, g, h;
1598	<
1599	<	f = new CompletableFuture<Integer>();
1600	<	g = new CompletableFuture<Integer>();
1601	<	h = f.thenCombine(g, subtract);
1602	<	f.complete(3);
1603	<	checkIncomplete(h);
1604	<	g.complete(1);
1605	<	checkCompletedNormally(h, 2);
1606	<
1607	<	f = new CompletableFuture<Integer>();
1608	<	g = new CompletableFuture<Integer>();
1609	<	h = f.thenCombine(g, subtract);
1610	<	g.complete(1);
1611	<	checkIncomplete(h);
1612	<	f.complete(3);
1613	<	checkCompletedNormally(h, 2);
1614	<
1615	<	f = new CompletableFuture<Integer>();
1616	<	g = new CompletableFuture<Integer>();
1617	<	g.complete(1);
1618	<	f.complete(3);
1619	<	h = f.thenCombine(g, subtract);
1620	<	checkCompletedNormally(h, 2);
1621	<	}
1596	>	public void testThenCombine_normalCompletion() {
1597	>	for (ExecutionMode m : ExecutionMode.values())
1598	>	for (boolean fFirst : new boolean[] { true, false })
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 SubtractFunction[] rs = new SubtractFunction[6];
1605	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1606	>
1607	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1608	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1609	>	final Integer w1 =  fFirst ? v1 : v2;
1610	>	final Integer w2 = !fFirst ? v1 : v2;
1611	>
1612	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1613	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1614	>	assertTrue(fst.complete(w1));
1615	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1616	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1617	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1618	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1619	>	checkCompletedNormally(h1, subtract(w1, w1));
1620	>	checkCompletedNormally(h3, subtract(w1, w1));
1621	>	rs[1].assertValue(subtract(w1, w1));
1622	>	rs[3].assertValue(subtract(w1, w1));
1623	>	assertTrue(snd.complete(w2));
1624	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1625	>
1626	>	checkCompletedNormally(h0, subtract(v1, v2));
1627	>	checkCompletedNormally(h2, subtract(v1, v2));
1628	>	checkCompletedNormally(h4, subtract(v1, v2));
1629	>	rs[0].assertValue(subtract(v1, v2));
1630	>	rs[2].assertValue(subtract(v1, v2));
1631	>	rs[4].assertValue(subtract(v1, v2));
1632	>
1633	>	checkCompletedNormally(f, v1);
1634	>	checkCompletedNormally(g, v2);
1635	>	}}
1636
1637		/**
1638		* thenCombine result completes exceptionally after exceptional
1639		* completion of either source
1640		*/
1641	<	public void testThenCombine2() {
1642	<	CompletableFuture<Integer> f, g, h;
1643	<
1644	<	f = new CompletableFuture<Integer>();
1645	<	g = new CompletableFuture<Integer>();
1646	<	h = f.thenCombine(g, subtract);
1647	<	f.completeExceptionally(new CFException());
1648	<	checkIncomplete(h);
1649	<	g.complete(1);
1650	<	checkCompletedWithWrappedCFException(h);
1651	<
1652	<	f = new CompletableFuture<Integer>();
1653	<	g = new CompletableFuture<Integer>();
1654	<	h = f.thenCombine(g, subtract);
1655	<	g.completeExceptionally(new CFException());
1656	<	checkIncomplete(h);
1657	<	f.complete(3);
1658	<	checkCompletedWithWrappedCFException(h);
1659	<
1660	<	f = new CompletableFuture<Integer>();
1661	<	g = new CompletableFuture<Integer>();
1662	<	f.complete(3);
1663	<	g.completeExceptionally(new CFException());
1664	<	h = f.thenCombine(g, subtract);
1665	<	checkCompletedWithWrappedCFException(h);
1666	<
1667	<	f = new CompletableFuture<Integer>();
1668	<	g = new CompletableFuture<Integer>();
1669	<	f.completeExceptionally(new CFException());
1670	<	g.complete(3);
1671	<	h = f.thenCombine(g, subtract);
1672	<	checkCompletedWithWrappedCFException(h);
1673	<	}
1641	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1642	>	for (ExecutionMode m : ExecutionMode.values())
1643	>	for (boolean fFirst : new boolean[] { true, false })
1644	>	for (boolean failFirst : new boolean[] { true, false })
1645	>	for (Integer v1 : new Integer[] { 1, null })
1646	>	{
1647	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1648	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1649	>	final CFException ex = new CFException();
1650	>	final SubtractFunction r1 = new SubtractFunction(m);
1651	>	final SubtractFunction r2 = new SubtractFunction(m);
1652	>	final SubtractFunction r3 = new SubtractFunction(m);
1653	>
1654	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1655	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1656	>	final Callable<Boolean> complete1 = failFirst ?
1657	>	() -> fst.completeExceptionally(ex) :
1658	>	() -> fst.complete(v1);
1659	>	final Callable<Boolean> complete2 = failFirst ?
1660	>	() -> snd.complete(v1) :
1661	>	() -> snd.completeExceptionally(ex);
1662	>
1663	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1664	>	assertTrue(complete1.call());
1665	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1666	>	checkIncomplete(h1);
1667	>	checkIncomplete(h2);
1668	>	assertTrue(complete2.call());
1669	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1670	>
1671	>	checkCompletedWithWrappedException(h1, ex);
1672	>	checkCompletedWithWrappedException(h2, ex);
1673	>	checkCompletedWithWrappedException(h3, ex);
1674	>	r1.assertNotInvoked();
1675	>	r2.assertNotInvoked();
1676	>	r3.assertNotInvoked();
1677	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1678	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1679	>	}}
1680
1681		/**
1682	<	* thenCombine result completes exceptionally if action does
1682	>	* thenCombine result completes exceptionally if either source cancelled
1683		*/
1684	<	public void testThenCombine3() {
1685	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1686	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1687	<	FailingBiFunction r = new FailingBiFunction();
1688	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
1689	<	f.complete(one);
1690	<	checkIncomplete(g);
1691	<	assertFalse(r.ran);
1692	<	f2.complete(two);
1693	<	checkCompletedWithWrappedCFException(g);
1694	<	assertTrue(r.ran);
1695	<	}
1684	>	public void testThenCombine_sourceCancelled() throws Throwable {
1685	>	for (ExecutionMode m : ExecutionMode.values())
1686	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1687	>	for (boolean fFirst : new boolean[] { true, false })
1688	>	for (boolean failFirst : new boolean[] { true, false })
1689	>	for (Integer v1 : new Integer[] { 1, null })
1690	>	{
1691	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1692	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1693	>	final SubtractFunction r1 = new SubtractFunction(m);
1694	>	final SubtractFunction r2 = new SubtractFunction(m);
1695	>	final SubtractFunction r3 = new SubtractFunction(m);
1696	>
1697	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1698	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1699	>	final Callable<Boolean> complete1 = failFirst ?
1700	>	() -> fst.cancel(mayInterruptIfRunning) :
1701	>	() -> fst.complete(v1);
1702	>	final Callable<Boolean> complete2 = failFirst ?
1703	>	() -> snd.complete(v1) :
1704	>	() -> snd.cancel(mayInterruptIfRunning);
1705	>
1706	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1707	>	assertTrue(complete1.call());
1708	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1709	>	checkIncomplete(h1);
1710	>	checkIncomplete(h2);
1711	>	assertTrue(complete2.call());
1712	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1713	>
1714	>	checkCompletedWithWrappedCancellationException(h1);
1715	>	checkCompletedWithWrappedCancellationException(h2);
1716	>	checkCompletedWithWrappedCancellationException(h3);
1717	>	r1.assertNotInvoked();
1718	>	r2.assertNotInvoked();
1719	>	r3.assertNotInvoked();
1720	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1721	>	checkCancelled(failFirst ? fst : snd);
1722	>	}}
1723
1724		/**
1725	<	* thenCombine result completes exceptionally if either source cancelled
1725	>	* thenCombine result completes exceptionally if action does
1726		*/
1727	<	public void testThenCombine4() {
1728	<	CompletableFuture<Integer> f, g, h;
1729	<
1730	<	f = new CompletableFuture<Integer>();
1731	<	g = new CompletableFuture<Integer>();
1732	<	h = f.thenCombine(g, subtract);
1733	<	assertTrue(f.cancel(true));
1734	<	checkIncomplete(h);
1735	<	g.complete(1);
1736	<	checkCompletedWithWrappedCancellationException(h);
1737	<
1738	<	f = new CompletableFuture<Integer>();
1739	<	g = new CompletableFuture<Integer>();
1740	<	h = f.thenCombine(g, subtract);
1741	<	assertTrue(g.cancel(true));
1742	<	checkIncomplete(h);
1743	<	f.complete(3);
1744	<	checkCompletedWithWrappedCancellationException(h);
1745	<
1746	<	f = new CompletableFuture<Integer>();
1747	<	g = new CompletableFuture<Integer>();
1748	<	assertTrue(f.cancel(true));
1749	<	assertTrue(g.cancel(true));
1750	<	h = f.thenCombine(g, subtract);
1751	<	checkCompletedWithWrappedCancellationException(h);
1752	<	}
1727	>	public void testThenCombine_actionFailed() {
1728	>	for (ExecutionMode m : ExecutionMode.values())
1729	>	for (boolean fFirst : new boolean[] { true, false })
1730	>	for (Integer v1 : new Integer[] { 1, null })
1731	>	for (Integer v2 : new Integer[] { 2, null })
1732	>	{
1733	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1734	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1735	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1736	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1737	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1738	>
1739	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1740	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1741	>	final Integer w1 =  fFirst ? v1 : v2;
1742	>	final Integer w2 = !fFirst ? v1 : v2;
1743	>
1744	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1745	>	assertTrue(fst.complete(w1));
1746	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1747	>	assertTrue(snd.complete(w2));
1748	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1749	>
1750	>	checkCompletedWithWrappedCFException(h1);
1751	>	checkCompletedWithWrappedCFException(h2);
1752	>	checkCompletedWithWrappedCFException(h3);
1753	>	r1.assertInvoked();
1754	>	r2.assertInvoked();
1755	>	r3.assertInvoked();
1756	>	checkCompletedNormally(f, v1);
1757	>	checkCompletedNormally(g, v2);
1758	>	}}
1759
1760		/**
1761		* thenAcceptBoth result completes normally after normal
1762		* completion of sources
1763		*/
1764	<	public void testThenAcceptBoth() {
1765	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1766	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1767	<	AddAction r = new AddAction();
1768	<	CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1769	<	f.complete(one);
1770	<	checkIncomplete(g);
1771	<	f2.complete(two);
1772	<	checkCompletedNormally(g, null);
1773	<	assertEquals(r.value, 3);
1774	<
1775	<	r = new AddAction();
1776	<	f = new CompletableFuture<Integer>();
1777	<	f.complete(one);
1778	<	f2 = new CompletableFuture<Integer>();
1779	<	g = f.thenAcceptBoth(f2, r);
1780	<	checkIncomplete(g);
1781	<	f2.complete(two);
1782	<	checkCompletedNormally(g, null);
1783	<	assertEquals(r.value, 3);
1784	<	}
1764	>	public void testThenAcceptBoth_normalCompletion() {
1765	>	for (ExecutionMode m : ExecutionMode.values())
1766	>	for (boolean fFirst : new boolean[] { true, false })
1767	>	for (Integer v1 : new Integer[] { 1, null })
1768	>	for (Integer v2 : new Integer[] { 2, null })
1769	>	{
1770	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1771	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1772	>	final SubtractAction r1 = new SubtractAction(m);
1773	>	final SubtractAction r2 = new SubtractAction(m);
1774	>	final SubtractAction r3 = new SubtractAction(m);
1775	>
1776	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1777	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1778	>	final Integer w1 =  fFirst ? v1 : v2;
1779	>	final Integer w2 = !fFirst ? v1 : v2;
1780	>
1781	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1782	>	assertTrue(fst.complete(w1));
1783	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1784	>	checkIncomplete(h1);
1785	>	checkIncomplete(h2);
1786	>	r1.assertNotInvoked();
1787	>	r2.assertNotInvoked();
1788	>	assertTrue(snd.complete(w2));
1789	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1790	>
1791	>	checkCompletedNormally(h1, null);
1792	>	checkCompletedNormally(h2, null);
1793	>	checkCompletedNormally(h3, null);
1794	>	r1.assertValue(subtract(v1, v2));
1795	>	r2.assertValue(subtract(v1, v2));
1796	>	r3.assertValue(subtract(v1, v2));
1797	>	checkCompletedNormally(f, v1);
1798	>	checkCompletedNormally(g, v2);
1799	>	}}
1800
1801		/**
1802		* thenAcceptBoth result completes exceptionally after exceptional
1803		* completion of either source
1804		*/
1805	<	public void testThenAcceptBoth2() {
1806	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1807	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1808	<	AddAction r = new AddAction();
1809	<	CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1810	<	f.completeExceptionally(new CFException());
1811	<	f2.complete(two);
1812	<	checkCompletedWithWrappedCFException(g);
1813	<
1814	<	r = new AddAction();
1815	<	f = new CompletableFuture<Integer>();
1816	<	f.complete(one);
1817	<	f2 = new CompletableFuture<Integer>();
1818	<	g = f.thenAcceptBoth(f2, r);
1819	<	f2.completeExceptionally(new CFException());
1820	<	checkCompletedWithWrappedCFException(g);
1821	<	}
1805	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1806	>	for (ExecutionMode m : ExecutionMode.values())
1807	>	for (boolean fFirst : new boolean[] { true, false })
1808	>	for (boolean failFirst : new boolean[] { true, false })
1809	>	for (Integer v1 : new Integer[] { 1, null })
1810	>	{
1811	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1812	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1813	>	final CFException ex = new CFException();
1814	>	final SubtractAction r1 = new SubtractAction(m);
1815	>	final SubtractAction r2 = new SubtractAction(m);
1816	>	final SubtractAction r3 = new SubtractAction(m);
1817	>
1818	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1819	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1820	>	final Callable<Boolean> complete1 = failFirst ?
1821	>	() -> fst.completeExceptionally(ex) :
1822	>	() -> fst.complete(v1);
1823	>	final Callable<Boolean> complete2 = failFirst ?
1824	>	() -> snd.complete(v1) :
1825	>	() -> snd.completeExceptionally(ex);
1826	>
1827	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1828	>	assertTrue(complete1.call());
1829	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1830	>	checkIncomplete(h1);
1831	>	checkIncomplete(h2);
1832	>	assertTrue(complete2.call());
1833	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1834	>
1835	>	checkCompletedWithWrappedException(h1, ex);
1836	>	checkCompletedWithWrappedException(h2, ex);
1837	>	checkCompletedWithWrappedException(h3, ex);
1838	>	r1.assertNotInvoked();
1839	>	r2.assertNotInvoked();
1840	>	r3.assertNotInvoked();
1841	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1842	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1843	>	}}
1844
1845		/**
1846	<	* thenAcceptBoth result completes exceptionally if action does
1846	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1847		*/
1848	<	public void testThenAcceptBoth3() {
1849	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1850	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1851	<	FailingBiConsumer r = new FailingBiConsumer();
1852	<	CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1853	<	f.complete(one);
1854	<	checkIncomplete(g);
1855	<	f2.complete(two);
1856	<	checkCompletedWithWrappedCFException(g);
1857	<	}
1848	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1849	>	for (ExecutionMode m : ExecutionMode.values())
1850	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1851	>	for (boolean fFirst : new boolean[] { true, false })
1852	>	for (boolean failFirst : new boolean[] { true, false })
1853	>	for (Integer v1 : new Integer[] { 1, null })
1854	>	{
1855	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1856	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1857	>	final SubtractAction r1 = new SubtractAction(m);
1858	>	final SubtractAction r2 = new SubtractAction(m);
1859	>	final SubtractAction r3 = new SubtractAction(m);
1860	>
1861	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1862	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1863	>	final Callable<Boolean> complete1 = failFirst ?
1864	>	() -> fst.cancel(mayInterruptIfRunning) :
1865	>	() -> fst.complete(v1);
1866	>	final Callable<Boolean> complete2 = failFirst ?
1867	>	() -> snd.complete(v1) :
1868	>	() -> snd.cancel(mayInterruptIfRunning);
1869	>
1870	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1871	>	assertTrue(complete1.call());
1872	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1873	>	checkIncomplete(h1);
1874	>	checkIncomplete(h2);
1875	>	assertTrue(complete2.call());
1876	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1877	>
1878	>	checkCompletedWithWrappedCancellationException(h1);
1879	>	checkCompletedWithWrappedCancellationException(h2);
1880	>	checkCompletedWithWrappedCancellationException(h3);
1881	>	r1.assertNotInvoked();
1882	>	r2.assertNotInvoked();
1883	>	r3.assertNotInvoked();
1884	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1885	>	checkCancelled(failFirst ? fst : snd);
1886	>	}}
1887
1888		/**
1889	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1889	>	* thenAcceptBoth result completes exceptionally if action does
1890		*/
1891	<	public void testThenAcceptBoth4() {
1892	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1893	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1894	<	AddAction r = new AddAction();
1895	<	CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1896	<	assertTrue(f.cancel(true));
1897	<	f2.complete(two);
1898	<	checkCompletedWithWrappedCancellationException(g);
1899	<	f = new CompletableFuture<Integer>();
1900	<	f2 = new CompletableFuture<Integer>();
1901	<	r = new AddAction();
1902	<	g = f.thenAcceptBoth(f2, r);
1903	<	f.complete(one);
1904	<	assertTrue(f2.cancel(true));
1905	<	checkCompletedWithWrappedCancellationException(g);
1906	<	}
1891	>	public void testThenAcceptBoth_actionFailed() {
1892	>	for (ExecutionMode m : ExecutionMode.values())
1893	>	for (boolean fFirst : new boolean[] { true, false })
1894	>	for (Integer v1 : new Integer[] { 1, null })
1895	>	for (Integer v2 : new Integer[] { 2, null })
1896	>	{
1897	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1898	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1899	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1900	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1901	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1902	>
1903	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1904	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1905	>	final Integer w1 =  fFirst ? v1 : v2;
1906	>	final Integer w2 = !fFirst ? v1 : v2;
1907	>
1908	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1909	>	assertTrue(fst.complete(w1));
1910	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1911	>	assertTrue(snd.complete(w2));
1912	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1913	>
1914	>	checkCompletedWithWrappedCFException(h1);
1915	>	checkCompletedWithWrappedCFException(h2);
1916	>	checkCompletedWithWrappedCFException(h3);
1917	>	r1.assertInvoked();
1918	>	r2.assertInvoked();
1919	>	r3.assertInvoked();
1920	>	checkCompletedNormally(f, v1);
1921	>	checkCompletedNormally(g, v2);
1922	>	}}
1923
1924		/**
1925		* runAfterBoth result completes normally after normal
1926		* completion of sources
1927		*/
1928	<	public void testRunAfterBoth() {
1929	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1930	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1931	<	Noop r = new Noop();
1932	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1933	<	f.complete(one);
1934	<	checkIncomplete(g);
1935	<	f2.complete(two);
1936	<	checkCompletedNormally(g, null);
1937	<	assertTrue(r.ran);
1938	<
1939	<	r = new Noop();
1940	<	f = new CompletableFuture<Integer>();
1941	<	f.complete(one);
1942	<	f2 = new CompletableFuture<Integer>();
1943	<	g = f.runAfterBoth(f2, r);
1944	<	checkIncomplete(g);
1945	<	f2.complete(two);
1946	<	checkCompletedNormally(g, null);
1947	<	assertTrue(r.ran);
1948	<	}
1928	>	public void testRunAfterBoth_normalCompletion() {
1929	>	for (ExecutionMode m : ExecutionMode.values())
1930	>	for (boolean fFirst : new boolean[] { true, false })
1931	>	for (Integer v1 : new Integer[] { 1, null })
1932	>	for (Integer v2 : new Integer[] { 2, null })
1933	>	{
1934	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1935	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1936	>	final Noop r1 = new Noop(m);
1937	>	final Noop r2 = new Noop(m);
1938	>	final Noop r3 = new Noop(m);
1939	>
1940	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1941	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1942	>	final Integer w1 =  fFirst ? v1 : v2;
1943	>	final Integer w2 = !fFirst ? v1 : v2;
1944	>
1945	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1946	>	assertTrue(fst.complete(w1));
1947	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1948	>	checkIncomplete(h1);
1949	>	checkIncomplete(h2);
1950	>	r1.assertNotInvoked();
1951	>	r2.assertNotInvoked();
1952	>	assertTrue(snd.complete(w2));
1953	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1954	>
1955	>	checkCompletedNormally(h1, null);
1956	>	checkCompletedNormally(h2, null);
1957	>	checkCompletedNormally(h3, null);
1958	>	r1.assertInvoked();
1959	>	r2.assertInvoked();
1960	>	r3.assertInvoked();
1961	>	checkCompletedNormally(f, v1);
1962	>	checkCompletedNormally(g, v2);
1963	>	}}
1964
1965		/**
1966		* runAfterBoth result completes exceptionally after exceptional
1967		* completion of either source
1968		*/
1969	<	public void testRunAfterBoth2() {
1970	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1971	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1972	<	Noop r = new Noop();
1973	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1974	<	f.completeExceptionally(new CFException());
1975	<	f2.complete(two);
1976	<	checkCompletedWithWrappedCFException(g);
1977	<
1978	<	r = new Noop();
1979	<	f = new CompletableFuture<Integer>();
1980	<	f.complete(one);
1981	<	f2 = new CompletableFuture<Integer>();
1982	<	g = f.runAfterBoth(f2, r);
1983	<	f2.completeExceptionally(new CFException());
1984	<	checkCompletedWithWrappedCFException(g);
1985	<	}
1969	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1970	>	for (ExecutionMode m : ExecutionMode.values())
1971	>	for (boolean fFirst : new boolean[] { true, false })
1972	>	for (boolean failFirst : new boolean[] { true, false })
1973	>	for (Integer v1 : new Integer[] { 1, null })
1974	>	{
1975	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1976	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1977	>	final CFException ex = new CFException();
1978	>	final Noop r1 = new Noop(m);
1979	>	final Noop r2 = new Noop(m);
1980	>	final Noop r3 = new Noop(m);
1981	>
1982	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1983	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1984	>	final Callable<Boolean> complete1 = failFirst ?
1985	>	() -> fst.completeExceptionally(ex) :
1986	>	() -> fst.complete(v1);
1987	>	final Callable<Boolean> complete2 = failFirst ?
1988	>	() -> snd.complete(v1) :
1989	>	() -> snd.completeExceptionally(ex);
1990	>
1991	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1992	>	assertTrue(complete1.call());
1993	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1994	>	checkIncomplete(h1);
1995	>	checkIncomplete(h2);
1996	>	assertTrue(complete2.call());
1997	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1998	>
1999	>	checkCompletedWithWrappedException(h1, ex);
2000	>	checkCompletedWithWrappedException(h2, ex);
2001	>	checkCompletedWithWrappedException(h3, ex);
2002	>	r1.assertNotInvoked();
2003	>	r2.assertNotInvoked();
2004	>	r3.assertNotInvoked();
2005	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2006	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2007	>	}}
2008
2009		/**
2010	<	* runAfterBoth result completes exceptionally if action does
2010	>	* runAfterBoth result completes exceptionally if either source cancelled
2011		*/
2012	<	public void testRunAfterBoth3() {
2013	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2014	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2015	<	FailingNoop r = new FailingNoop();
2016	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2017	<	f.complete(one);
2018	<	checkIncomplete(g);
2019	<	f2.complete(two);
2020	<	checkCompletedWithWrappedCFException(g);
2021	<	}
2012	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2013	>	for (ExecutionMode m : ExecutionMode.values())
2014	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2015	>	for (boolean fFirst : new boolean[] { true, false })
2016	>	for (boolean failFirst : new boolean[] { true, false })
2017	>	for (Integer v1 : new Integer[] { 1, null })
2018	>	{
2019	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2020	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2021	>	final Noop r1 = new Noop(m);
2022	>	final Noop r2 = new Noop(m);
2023	>	final Noop r3 = new Noop(m);
2024	>
2025	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2026	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2027	>	final Callable<Boolean> complete1 = failFirst ?
2028	>	() -> fst.cancel(mayInterruptIfRunning) :
2029	>	() -> fst.complete(v1);
2030	>	final Callable<Boolean> complete2 = failFirst ?
2031	>	() -> snd.complete(v1) :
2032	>	() -> snd.cancel(mayInterruptIfRunning);
2033	>
2034	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2035	>	assertTrue(complete1.call());
2036	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2037	>	checkIncomplete(h1);
2038	>	checkIncomplete(h2);
2039	>	assertTrue(complete2.call());
2040	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2041	>
2042	>	checkCompletedWithWrappedCancellationException(h1);
2043	>	checkCompletedWithWrappedCancellationException(h2);
2044	>	checkCompletedWithWrappedCancellationException(h3);
2045	>	r1.assertNotInvoked();
2046	>	r2.assertNotInvoked();
2047	>	r3.assertNotInvoked();
2048	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2049	>	checkCancelled(failFirst ? fst : snd);
2050	>	}}
2051
2052		/**
2053	<	* runAfterBoth result completes exceptionally if either source cancelled
2053	>	* runAfterBoth result completes exceptionally if action does
2054		*/
2055	<	public void testRunAfterBoth4() {
2056	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2057	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2058	<	Noop r = new Noop();
2059	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2060	<	assertTrue(f.cancel(true));
2061	<	f2.complete(two);
2062	<	checkCompletedWithWrappedCancellationException(g);
2063	<	f = new CompletableFuture<Integer>();
2064	<	f2 = new CompletableFuture<Integer>();
2065	<	r = new Noop();
2066	<	g = f.runAfterBoth(f2, r);
2067	<	f.complete(one);
2068	<	assertTrue(f2.cancel(true));
2069	<	checkCompletedWithWrappedCancellationException(g);
2070	<	}
2055	>	public void testRunAfterBoth_actionFailed() {
2056	>	for (ExecutionMode m : ExecutionMode.values())
2057	>	for (boolean fFirst : new boolean[] { true, false })
2058	>	for (Integer v1 : new Integer[] { 1, null })
2059	>	for (Integer v2 : new Integer[] { 2, null })
2060	>	{
2061	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2062	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2063	>	final FailingRunnable r1 = new FailingRunnable(m);
2064	>	final FailingRunnable r2 = new FailingRunnable(m);
2065	>	final FailingRunnable r3 = new FailingRunnable(m);
2066	>
2067	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2068	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2069	>	final Integer w1 =  fFirst ? v1 : v2;
2070	>	final Integer w2 = !fFirst ? v1 : v2;
2071	>
2072	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2073	>	assertTrue(fst.complete(w1));
2074	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2075	>	assertTrue(snd.complete(w2));
2076	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2077	>
2078	>	checkCompletedWithWrappedCFException(h1);
2079	>	checkCompletedWithWrappedCFException(h2);
2080	>	checkCompletedWithWrappedCFException(h3);
2081	>	r1.assertInvoked();
2082	>	r2.assertInvoked();
2083	>	r3.assertInvoked();
2084	>	checkCompletedNormally(f, v1);
2085	>	checkCompletedNormally(g, v2);
2086	>	}}
2087
2088		/**
2089		* applyToEither result completes normally after normal completion
2090		* of either source
2091		*/
2092	<	public void testApplyToEither() {
2093	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2094	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2095	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2096	<	f.complete(one);
2097	<	checkCompletedNormally(g, two);
2098	<	f2.complete(one);
2099	<	checkCompletedNormally(g, two);
2100	<
2101	<	f = new CompletableFuture<Integer>();
2102	<	f.complete(one);
2103	<	f2 = new CompletableFuture<Integer>();
2104	<	g = f.applyToEither(f2, inc);
2105	<	checkCompletedNormally(g, two);
2106	<	}
2092	>	public void testApplyToEither_normalCompletion() {
2093	>	for (ExecutionMode m : ExecutionMode.values())
2094	>	for (Integer v1 : new Integer[] { 1, null })
2095	>	for (Integer v2 : new Integer[] { 2, null })
2096	>	{
2097	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2098	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2099	>	final IncFunction[] rs = new IncFunction[6];
2100	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2101	>
2102	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2103	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2104	>	checkIncomplete(h0);
2105	>	checkIncomplete(h1);
2106	>	rs[0].assertNotInvoked();
2107	>	rs[1].assertNotInvoked();
2108	>	f.complete(v1);
2109	>	checkCompletedNormally(h0, inc(v1));
2110	>	checkCompletedNormally(h1, inc(v1));
2111	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2112	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2113	>	checkCompletedNormally(h2, inc(v1));
2114	>	checkCompletedNormally(h3, inc(v1));
2115	>	g.complete(v2);
2116	>
2117	>	// unspecified behavior - both source completions available
2118	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2119	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2120	>	rs[4].assertValue(h4.join());
2121	>	rs[5].assertValue(h5.join());
2122	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2123	>	Objects.equals(inc(v2), h4.join()));
2124	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2125	>	Objects.equals(inc(v2), h5.join()));
2126	>
2127	>	checkCompletedNormally(f, v1);
2128	>	checkCompletedNormally(g, v2);
2129	>	checkCompletedNormally(h0, inc(v1));
2130	>	checkCompletedNormally(h1, inc(v1));
2131	>	checkCompletedNormally(h2, inc(v1));
2132	>	checkCompletedNormally(h3, inc(v1));
2133	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2134	>	}}
2135
2136		/**
2137		* applyToEither result completes exceptionally after exceptional
2138		* completion of either source
2139		*/
2140	<	public void testApplyToEither2() {
2141	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2142	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2143	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2144	<	f.completeExceptionally(new CFException());
2145	<	f2.complete(one);
2146	<	checkCompletedWithWrappedCFException(g);
2140	>	public void testApplyToEither_exceptionalCompletion() {
2141	>	for (ExecutionMode m : ExecutionMode.values())
2142	>	for (Integer v1 : new Integer[] { 1, null })
2143	>	{
2144	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2145	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2146	>	final CFException ex = new CFException();
2147	>	final IncFunction[] rs = new IncFunction[6];
2148	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2149	>
2150	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2151	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2152	>	checkIncomplete(h0);
2153	>	checkIncomplete(h1);
2154	>	rs[0].assertNotInvoked();
2155	>	rs[1].assertNotInvoked();
2156	>	f.completeExceptionally(ex);
2157	>	checkCompletedWithWrappedException(h0, ex);
2158	>	checkCompletedWithWrappedException(h1, ex);
2159	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2160	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2161	>	checkCompletedWithWrappedException(h2, ex);
2162	>	checkCompletedWithWrappedException(h3, ex);
2163	>	g.complete(v1);
2164	>
2165	>	// unspecified behavior - both source completions available
2166	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2167	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2168	>	try {
2169	>	assertEquals(inc(v1), h4.join());
2170	>	rs[4].assertValue(inc(v1));
2171	>	} catch (CompletionException ok) {
2172	>	checkCompletedWithWrappedException(h4, ex);
2173	>	rs[4].assertNotInvoked();
2174	>	}
2175	>	try {
2176	>	assertEquals(inc(v1), h5.join());
2177	>	rs[5].assertValue(inc(v1));
2178	>	} catch (CompletionException ok) {
2179	>	checkCompletedWithWrappedException(h5, ex);
2180	>	rs[5].assertNotInvoked();
2181	>	}
2182
2183	<	f = new CompletableFuture<Integer>();
2184	<	f2 = new CompletableFuture<Integer>();
2185	<	f2.completeExceptionally(new CFException());
2186	<	g = f.applyToEither(f2, inc);
2187	<	checkCompletedWithWrappedCFException(g);
2188	<	}
2183	>	checkCompletedExceptionally(f, ex);
2184	>	checkCompletedNormally(g, v1);
2185	>	checkCompletedWithWrappedException(h0, ex);
2186	>	checkCompletedWithWrappedException(h1, ex);
2187	>	checkCompletedWithWrappedException(h2, ex);
2188	>	checkCompletedWithWrappedException(h3, ex);
2189	>	checkCompletedWithWrappedException(h4, ex);
2190	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2191	>	}}
2192	>
2193	>	public void testApplyToEither_exceptionalCompletion2() {
2194	>	for (ExecutionMode m : ExecutionMode.values())
2195	>	for (boolean fFirst : new boolean[] { true, false })
2196	>	for (Integer v1 : new Integer[] { 1, null })
2197	>	{
2198	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2199	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2200	>	final CFException ex = new CFException();
2201	>	final IncFunction[] rs = new IncFunction[6];
2202	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2203	>
2204	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2205	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2206	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2207	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2208	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2209	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2210
2211	<	/**
2212	<	* applyToEither result completes exceptionally if action does
2213	<	*/
2214	<	public void testApplyToEither3() {
2215	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2216	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2217	<	FailingFunction r = new FailingFunction();
2218	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
2219	<	f2.complete(two);
2220	<	checkCompletedWithWrappedCFException(g);
2221	<	}
2211	>	// unspecified behavior - both source completions available
2212	>	try {
2213	>	assertEquals(inc(v1), h0.join());
2214	>	rs[0].assertValue(inc(v1));
2215	>	} catch (CompletionException ok) {
2216	>	checkCompletedWithWrappedException(h0, ex);
2217	>	rs[0].assertNotInvoked();
2218	>	}
2219	>	try {
2220	>	assertEquals(inc(v1), h1.join());
2221	>	rs[1].assertValue(inc(v1));
2222	>	} catch (CompletionException ok) {
2223	>	checkCompletedWithWrappedException(h1, ex);
2224	>	rs[1].assertNotInvoked();
2225	>	}
2226	>	try {
2227	>	assertEquals(inc(v1), h2.join());
2228	>	rs[2].assertValue(inc(v1));
2229	>	} catch (CompletionException ok) {
2230	>	checkCompletedWithWrappedException(h2, ex);
2231	>	rs[2].assertNotInvoked();
2232	>	}
2233	>	try {
2234	>	assertEquals(inc(v1), h3.join());
2235	>	rs[3].assertValue(inc(v1));
2236	>	} catch (CompletionException ok) {
2237	>	checkCompletedWithWrappedException(h3, ex);
2238	>	rs[3].assertNotInvoked();
2239	>	}
2240
2241	<	/**
2242	<	* applyToEither result completes exceptionally if either source cancelled
2243	<	*/
965	<	public void testApplyToEither4() {
966	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
967	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
968	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
969	<	assertTrue(f.cancel(true));
970	<	checkCompletedWithWrappedCancellationException(g);
971	<	f = new CompletableFuture<Integer>();
972	<	f2 = new CompletableFuture<Integer>();
973	<	assertTrue(f2.cancel(true));
974	<	checkCompletedWithWrappedCancellationException(g);
975	<	}
2241	>	checkCompletedNormally(f, v1);
2242	>	checkCompletedExceptionally(g, ex);
2243	>	}}
2244
2245		/**
2246	<	* acceptEither result completes normally after normal completion
979	<	* of either source
2246	>	* applyToEither result completes exceptionally if either source cancelled
2247		*/
2248	<	public void testAcceptEither() {
2249	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2250	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2251	<	IncAction r = new IncAction();
2252	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2253	<	f.complete(one);
2254	<	checkCompletedNormally(g, null);
2255	<	f2.complete(one);
2256	<	checkCompletedNormally(g, null);
2257	<	assertEquals(r.value, 2);
2248	>	public void testApplyToEither_sourceCancelled() {
2249	>	for (ExecutionMode m : ExecutionMode.values())
2250	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2251	>	for (Integer v1 : new Integer[] { 1, null })
2252	>	{
2253	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2254	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2255	>	final IncFunction[] rs = new IncFunction[6];
2256	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2257	>
2258	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2259	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2260	>	checkIncomplete(h0);
2261	>	checkIncomplete(h1);
2262	>	rs[0].assertNotInvoked();
2263	>	rs[1].assertNotInvoked();
2264	>	f.cancel(mayInterruptIfRunning);
2265	>	checkCompletedWithWrappedCancellationException(h0);
2266	>	checkCompletedWithWrappedCancellationException(h1);
2267	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2268	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2269	>	checkCompletedWithWrappedCancellationException(h2);
2270	>	checkCompletedWithWrappedCancellationException(h3);
2271	>	g.complete(v1);
2272	>
2273	>	// unspecified behavior - both source completions available
2274	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2275	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2276	>	try {
2277	>	assertEquals(inc(v1), h4.join());
2278	>	rs[4].assertValue(inc(v1));
2279	>	} catch (CompletionException ok) {
2280	>	checkCompletedWithWrappedCancellationException(h4);
2281	>	rs[4].assertNotInvoked();
2282	>	}
2283	>	try {
2284	>	assertEquals(inc(v1), h5.join());
2285	>	rs[5].assertValue(inc(v1));
2286	>	} catch (CompletionException ok) {
2287	>	checkCompletedWithWrappedCancellationException(h5);
2288	>	rs[5].assertNotInvoked();
2289	>	}
2290
2291	<	r = new IncAction();
2292	<	f = new CompletableFuture<Integer>();
2293	<	f.complete(one);
2294	<	f2 = new CompletableFuture<Integer>();
2295	<	g = f.acceptEither(f2, r);
2296	<	checkCompletedNormally(g, null);
2297	<	assertEquals(r.value, 2);
2298	<	}
2291	>	checkCancelled(f);
2292	>	checkCompletedNormally(g, v1);
2293	>	checkCompletedWithWrappedCancellationException(h0);
2294	>	checkCompletedWithWrappedCancellationException(h1);
2295	>	checkCompletedWithWrappedCancellationException(h2);
2296	>	checkCompletedWithWrappedCancellationException(h3);
2297	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2298	>	}}
2299	>
2300	>	public void testApplyToEither_sourceCancelled2() {
2301	>	for (ExecutionMode m : ExecutionMode.values())
2302	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2303	>	for (boolean fFirst : new boolean[] { true, false })
2304	>	for (Integer v1 : new Integer[] { 1, null })
2305	>	{
2306	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2307	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2308	>	final IncFunction[] rs = new IncFunction[6];
2309	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2310	>
2311	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2312	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2313	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2314	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2315	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2316	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2317
2318	<	/**
2319	<	* acceptEither result completes exceptionally after exceptional
2320	<	* completion of either source
2321	<	*/
2322	<	public void testAcceptEither2() {
2323	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2324	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2325	<	IncAction r = new IncAction();
2326	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2327	<	f.completeExceptionally(new CFException());
2328	<	f2.complete(one);
2329	<	checkCompletedWithWrappedCFException(g);
2318	>	// unspecified behavior - both source completions available
2319	>	try {
2320	>	assertEquals(inc(v1), h0.join());
2321	>	rs[0].assertValue(inc(v1));
2322	>	} catch (CompletionException ok) {
2323	>	checkCompletedWithWrappedCancellationException(h0);
2324	>	rs[0].assertNotInvoked();
2325	>	}
2326	>	try {
2327	>	assertEquals(inc(v1), h1.join());
2328	>	rs[1].assertValue(inc(v1));
2329	>	} catch (CompletionException ok) {
2330	>	checkCompletedWithWrappedCancellationException(h1);
2331	>	rs[1].assertNotInvoked();
2332	>	}
2333	>	try {
2334	>	assertEquals(inc(v1), h2.join());
2335	>	rs[2].assertValue(inc(v1));
2336	>	} catch (CompletionException ok) {
2337	>	checkCompletedWithWrappedCancellationException(h2);
2338	>	rs[2].assertNotInvoked();
2339	>	}
2340	>	try {
2341	>	assertEquals(inc(v1), h3.join());
2342	>	rs[3].assertValue(inc(v1));
2343	>	} catch (CompletionException ok) {
2344	>	checkCompletedWithWrappedCancellationException(h3);
2345	>	rs[3].assertNotInvoked();
2346	>	}
2347
2348	<	r = new IncAction();
2349	<	f = new CompletableFuture<Integer>();
2350	<	f2 = new CompletableFuture<Integer>();
1017	<	f2.completeExceptionally(new CFException());
1018	<	g = f.acceptEither(f2, r);
1019	<	checkCompletedWithWrappedCFException(g);
1020	<	}
2348	>	checkCompletedNormally(f, v1);
2349	>	checkCancelled(g);
2350	>	}}
2351
2352		/**
2353	<	* acceptEither result completes exceptionally if action does
2353	>	* applyToEither result completes exceptionally if action does
2354		*/
2355	<	public void testAcceptEither3() {
2356	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2357	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2358	<	FailingConsumer r = new FailingConsumer();
2359	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2360	<	f2.complete(two);
2361	<	checkCompletedWithWrappedCFException(g);
2362	<	}
2355	>	public void testApplyToEither_actionFailed() {
2356	>	for (ExecutionMode m : ExecutionMode.values())
2357	>	for (Integer v1 : new Integer[] { 1, null })
2358	>	for (Integer v2 : new Integer[] { 2, null })
2359	>	{
2360	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2361	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2362	>	final FailingFunction[] rs = new FailingFunction[6];
2363	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2364	>
2365	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2366	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2367	>	f.complete(v1);
2368	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2369	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2370	>	checkCompletedWithWrappedCFException(h0);
2371	>	checkCompletedWithWrappedCFException(h1);
2372	>	checkCompletedWithWrappedCFException(h2);
2373	>	checkCompletedWithWrappedCFException(h3);
2374	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2375	>
2376	>	g.complete(v2);
2377	>
2378	>	// unspecified behavior - both source completions available
2379	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2380	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2381	>
2382	>	checkCompletedWithWrappedCFException(h4);
2383	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2384	>	Objects.equals(v2, rs[4].value));
2385	>	checkCompletedWithWrappedCFException(h5);
2386	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2387	>	Objects.equals(v2, rs[5].value));
2388	>
2389	>	checkCompletedNormally(f, v1);
2390	>	checkCompletedNormally(g, v2);
2391	>	}}
2392
2393		/**
2394	<	* acceptEither result completes exceptionally if either source cancelled
1036	<	*/
1037	<	public void testAcceptEither4() {
1038	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1039	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1040	<	IncAction r = new IncAction();
1041	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1042	<	assertTrue(f.cancel(true));
1043	<	checkCompletedWithWrappedCancellationException(g);
1044	<	f = new CompletableFuture<Integer>();
1045	<	f2 = new CompletableFuture<Integer>();
1046	<	assertTrue(f2.cancel(true));
1047	<	checkCompletedWithWrappedCancellationException(g);
1048	<	}
1049	<
1050	<
1051	<	/**
1052	<	* runAfterEither result completes normally after normal completion
2394	>	* acceptEither result completes normally after normal completion
2395		* of either source
2396		*/
2397	<	public void testRunAfterEither() {
2398	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2399	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2400	<	Noop r = new Noop();
2401	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2402	<	f.complete(one);
2403	<	checkCompletedNormally(g, null);
2404	<	f2.complete(one);
2405	<	checkCompletedNormally(g, null);
2406	<	assertTrue(r.ran);
2407	<
2408	<	r = new Noop();
2409	<	f = new CompletableFuture<Integer>();
2410	<	f.complete(one);
2411	<	f2 = new CompletableFuture<Integer>();
2412	<	g = f.runAfterEither(f2, r);
2413	<	checkCompletedNormally(g, null);
2414	<	assertTrue(r.ran);
2415	<	}
2397	>	public void testAcceptEither_normalCompletion() {
2398	>	for (ExecutionMode m : ExecutionMode.values())
2399	>	for (Integer v1 : new Integer[] { 1, null })
2400	>	for (Integer v2 : new Integer[] { 2, null })
2401	>	{
2402	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2403	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2404	>	final NoopConsumer[] rs = new NoopConsumer[6];
2405	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2406	>
2407	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2408	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2409	>	checkIncomplete(h0);
2410	>	checkIncomplete(h1);
2411	>	rs[0].assertNotInvoked();
2412	>	rs[1].assertNotInvoked();
2413	>	f.complete(v1);
2414	>	checkCompletedNormally(h0, null);
2415	>	checkCompletedNormally(h1, null);
2416	>	rs[0].assertValue(v1);
2417	>	rs[1].assertValue(v1);
2418	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2419	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2420	>	checkCompletedNormally(h2, null);
2421	>	checkCompletedNormally(h3, null);
2422	>	rs[2].assertValue(v1);
2423	>	rs[3].assertValue(v1);
2424	>	g.complete(v2);
2425	>
2426	>	// unspecified behavior - both source completions available
2427	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2428	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2429	>	checkCompletedNormally(h4, null);
2430	>	checkCompletedNormally(h5, null);
2431	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2432	>	Objects.equals(v2, rs[4].value));
2433	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2434	>	Objects.equals(v2, rs[5].value));
2435	>
2436	>	checkCompletedNormally(f, v1);
2437	>	checkCompletedNormally(g, v2);
2438	>	checkCompletedNormally(h0, null);
2439	>	checkCompletedNormally(h1, null);
2440	>	checkCompletedNormally(h2, null);
2441	>	checkCompletedNormally(h3, null);
2442	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2443	>	}}
2444
2445		/**
2446	<	* runAfterEither result completes exceptionally after exceptional
2446	>	* acceptEither result completes exceptionally after exceptional
2447		* completion of either source
2448		*/
2449	<	public void testRunAfterEither2() {
2450	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2451	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2452	<	Noop r = new Noop();
2453	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2454	<	f.completeExceptionally(new CFException());
2455	<	f2.complete(one);
2456	<	checkCompletedWithWrappedCFException(g);
2457	<
2458	<	r = new Noop();
2459	<	f = new CompletableFuture<Integer>();
2460	<	f2 = new CompletableFuture<Integer>();
2461	<	f2.completeExceptionally(new CFException());
2462	<	g = f.runAfterEither(f2, r);
2463	<	checkCompletedWithWrappedCFException(g);
2464	<	}
2465	<
2466	<	/**
2467	<	* runAfterEither result completes exceptionally if action does
2468	<	*/
2469	<	public void testRunAfterEither3() {
2470	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2471	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2472	<	FailingNoop r = new FailingNoop();
2473	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2474	<	f2.complete(two);
2475	<	checkCompletedWithWrappedCFException(g);
2476	<	}
2477	<
1108	<	/**
1109	<	* runAfterEither result completes exceptionally if either source cancelled
1110	<	*/
1111	<	public void testRunAfterEither4() {
1112	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1113	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1114	<	Noop r = new Noop();
1115	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1116	<	assertTrue(f.cancel(true));
1117	<	checkCompletedWithWrappedCancellationException(g);
1118	<	f = new CompletableFuture<Integer>();
1119	<	f2 = new CompletableFuture<Integer>();
1120	<	assertTrue(f2.cancel(true));
1121	<	checkCompletedWithWrappedCancellationException(g);
1122	<	}
1123	<
1124	<	/**
1125	<	* thenCompose result completes normally after normal completion of source
1126	<	*/
1127	<	public void testThenCompose() {
1128	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1129	<	CompletableFutureInc r = new CompletableFutureInc();
1130	<	CompletableFuture<Integer> g = f.thenCompose(r);
1131	<	f.complete(one);
1132	<	checkCompletedNormally(g, two);
1133	<	}
1134	<
1135	<	/**
1136	<	* thenCompose result completes exceptionally after exceptional
1137	<	* completion of source
1138	<	*/
1139	<	public void testThenCompose2() {
1140	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1141	<	CompletableFutureInc r = new CompletableFutureInc();
1142	<	CompletableFuture<Integer> g = f.thenCompose(r);
1143	<	f.completeExceptionally(new CFException());
1144	<	checkCompletedWithWrappedCFException(g);
1145	<	}
1146	<
1147	<	/**
1148	<	* thenCompose result completes exceptionally if action does
1149	<	*/
1150	<	public void testThenCompose3() {
1151	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1152	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
1153	<	CompletableFuture<Integer> g = f.thenCompose(r);
1154	<	f.complete(one);
1155	<	checkCompletedWithWrappedCFException(g);
1156	<	}
1157	<
1158	<	/**
1159	<	* thenCompose result completes exceptionally if source cancelled
1160	<	*/
1161	<	public void testThenCompose4() {
1162	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1163	<	CompletableFutureInc r = new CompletableFutureInc();
1164	<	CompletableFuture<Integer> g = f.thenCompose(r);
1165	<	assertTrue(f.cancel(true));
1166	<	checkCompletedWithWrappedCancellationException(g);
1167	<	}
1168	<
1169	<
1170	<	// asyncs
1171	<
1172	<	/**
1173	<	* thenRunAsync result completes normally after normal completion of source
1174	<	*/
1175	<	public void testThenRunAsync() {
1176	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1177	<	Noop r = new Noop();
1178	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1179	<	f.complete(null);
1180	<	checkCompletedNormally(g, null);
1181	<
1182	<	// reordered version
1183	<	f = new CompletableFuture<Integer>();
1184	<	f.complete(null);
1185	<	r = new Noop();
1186	<	g = f.thenRunAsync(r);
1187	<	checkCompletedNormally(g, null);
1188	<	}
1189	<
1190	<	/**
1191	<	* thenRunAsync result completes exceptionally after exceptional
1192	<	* completion of source
1193	<	*/
1194	<	public void testThenRunAsync2() {
1195	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1196	<	Noop r = new Noop();
1197	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1198	<	f.completeExceptionally(new CFException());
2449	>	public void testAcceptEither_exceptionalCompletion() {
2450	>	for (ExecutionMode m : ExecutionMode.values())
2451	>	for (Integer v1 : new Integer[] { 1, null })
2452	>	{
2453	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2454	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2455	>	final CFException ex = new CFException();
2456	>	final NoopConsumer[] rs = new NoopConsumer[6];
2457	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2458	>
2459	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2460	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2461	>	checkIncomplete(h0);
2462	>	checkIncomplete(h1);
2463	>	rs[0].assertNotInvoked();
2464	>	rs[1].assertNotInvoked();
2465	>	f.completeExceptionally(ex);
2466	>	checkCompletedWithWrappedException(h0, ex);
2467	>	checkCompletedWithWrappedException(h1, ex);
2468	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2469	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2470	>	checkCompletedWithWrappedException(h2, ex);
2471	>	checkCompletedWithWrappedException(h3, ex);
2472	>
2473	>	g.complete(v1);
2474	>
2475	>	// unspecified behavior - both source completions available
2476	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2477	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2478		try {
2479	<	g.join();
2480	<	shouldThrow();
2481	<	} catch (Exception ok) {
2479	>	assertNull(h4.join());
2480	>	rs[4].assertValue(v1);
2481	>	} catch (CompletionException ok) {
2482	>	checkCompletedWithWrappedException(h4, ex);
2483	>	rs[4].assertNotInvoked();
2484	>	}
2485	>	try {
2486	>	assertNull(h5.join());
2487	>	rs[5].assertValue(v1);
2488	>	} catch (CompletionException ok) {
2489	>	checkCompletedWithWrappedException(h5, ex);
2490	>	rs[5].assertNotInvoked();
2491		}
1204	–	checkCompletedWithWrappedCFException(g);
1205	–	}
1206	–
1207	–	/**
1208	–	* thenRunAsync result completes exceptionally if action does
1209	–	*/
1210	–	public void testThenRunAsync3() {
1211	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1212	–	FailingNoop r = new FailingNoop();
1213	–	CompletableFuture<Void> g = f.thenRunAsync(r);
1214	–	f.complete(null);
1215	–	checkCompletedWithWrappedCFException(g);
1216	–	}
1217	–
1218	–	/**
1219	–	* thenRunAsync result completes exceptionally if source cancelled
1220	–	*/
1221	–	public void testThenRunAsync4() {
1222	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1223	–	Noop r = new Noop();
1224	–	CompletableFuture<Void> g = f.thenRunAsync(r);
1225	–	assertTrue(f.cancel(true));
1226	–	checkCompletedWithWrappedCancellationException(g);
1227	–	}
1228	–
1229	–	/**
1230	–	* thenApplyAsync result completes normally after normal completion of source
1231	–	*/
1232	–	public void testThenApplyAsync() {
1233	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1234	–	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1235	–	f.complete(one);
1236	–	checkCompletedNormally(g, two);
1237	–	}
1238	–
1239	–	/**
1240	–	* thenApplyAsync result completes exceptionally after exceptional
1241	–	* completion of source
1242	–	*/
1243	–	public void testThenApplyAsync2() {
1244	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1245	–	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1246	–	f.completeExceptionally(new CFException());
1247	–	checkCompletedWithWrappedCFException(g);
1248	–	}
2492
2493	<	/**
2494	<	* thenApplyAsync result completes exceptionally if action does
2495	<	*/
2496	<	public void testThenApplyAsync3() {
2497	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2498	<	FailingFunction r = new FailingFunction();
2499	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
2500	<	f.complete(null);
2501	<	checkCompletedWithWrappedCFException(g);
2502	<	}
2493	>	checkCompletedExceptionally(f, ex);
2494	>	checkCompletedNormally(g, v1);
2495	>	checkCompletedWithWrappedException(h0, ex);
2496	>	checkCompletedWithWrappedException(h1, ex);
2497	>	checkCompletedWithWrappedException(h2, ex);
2498	>	checkCompletedWithWrappedException(h3, ex);
2499	>	checkCompletedWithWrappedException(h4, ex);
2500	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2501	>	}}
2502	>
2503	>	public void testAcceptEither_exceptionalCompletion2() {
2504	>	for (ExecutionMode m : ExecutionMode.values())
2505	>	for (boolean fFirst : new boolean[] { true, false })
2506	>	for (Integer v1 : new Integer[] { 1, null })
2507	>	{
2508	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2509	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2510	>	final CFException ex = new CFException();
2511	>	final NoopConsumer[] rs = new NoopConsumer[6];
2512	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2513	>
2514	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2515	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2516	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2517	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2518	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2519	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2520
2521	<	/**
2522	<	* thenApplyAsync result completes exceptionally if source cancelled
2523	<	*/
2524	<	public void testThenApplyAsync4() {
2525	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2526	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2527	<	assertTrue(f.cancel(true));
2528	<	checkCompletedWithWrappedCancellationException(g);
2529	<	}
2521	>	// unspecified behavior - both source completions available
2522	>	try {
2523	>	assertEquals(null, h0.join());
2524	>	rs[0].assertValue(v1);
2525	>	} catch (CompletionException ok) {
2526	>	checkCompletedWithWrappedException(h0, ex);
2527	>	rs[0].assertNotInvoked();
2528	>	}
2529	>	try {
2530	>	assertEquals(null, h1.join());
2531	>	rs[1].assertValue(v1);
2532	>	} catch (CompletionException ok) {
2533	>	checkCompletedWithWrappedException(h1, ex);
2534	>	rs[1].assertNotInvoked();
2535	>	}
2536	>	try {
2537	>	assertEquals(null, h2.join());
2538	>	rs[2].assertValue(v1);
2539	>	} catch (CompletionException ok) {
2540	>	checkCompletedWithWrappedException(h2, ex);
2541	>	rs[2].assertNotInvoked();
2542	>	}
2543	>	try {
2544	>	assertEquals(null, h3.join());
2545	>	rs[3].assertValue(v1);
2546	>	} catch (CompletionException ok) {
2547	>	checkCompletedWithWrappedException(h3, ex);
2548	>	rs[3].assertNotInvoked();
2549	>	}
2550
2551	<	/**
2552	<	* thenAcceptAsync result completes normally after normal
2553	<	* completion of source
1274	<	*/
1275	<	public void testThenAcceptAsync() {
1276	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1277	<	IncAction r = new IncAction();
1278	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1279	<	f.complete(one);
1280	<	checkCompletedNormally(g, null);
1281	<	assertEquals(r.value, 2);
1282	<	}
2551	>	checkCompletedNormally(f, v1);
2552	>	checkCompletedExceptionally(g, ex);
2553	>	}}
2554
2555		/**
2556	<	* thenAcceptAsync result completes exceptionally after exceptional
1286	<	* completion of source
2556	>	* acceptEither result completes exceptionally if either source cancelled
2557		*/
2558	<	public void testThenAcceptAsync2() {
2559	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2560	<	IncAction r = new IncAction();
2561	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2562	<	f.completeExceptionally(new CFException());
2563	<	checkCompletedWithWrappedCFException(g);
2564	<	}
2558	>	public void testAcceptEither_sourceCancelled() {
2559	>	for (ExecutionMode m : ExecutionMode.values())
2560	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2561	>	for (Integer v1 : new Integer[] { 1, null })
2562	>	{
2563	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2564	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2565	>	final NoopConsumer[] rs = new NoopConsumer[6];
2566	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2567	>
2568	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2569	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2570	>	checkIncomplete(h0);
2571	>	checkIncomplete(h1);
2572	>	rs[0].assertNotInvoked();
2573	>	rs[1].assertNotInvoked();
2574	>	f.cancel(mayInterruptIfRunning);
2575	>	checkCompletedWithWrappedCancellationException(h0);
2576	>	checkCompletedWithWrappedCancellationException(h1);
2577	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2578	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2579	>	checkCompletedWithWrappedCancellationException(h2);
2580	>	checkCompletedWithWrappedCancellationException(h3);
2581	>
2582	>	g.complete(v1);
2583	>
2584	>	// unspecified behavior - both source completions available
2585	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2586	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2587	>	try {
2588	>	assertNull(h4.join());
2589	>	rs[4].assertValue(v1);
2590	>	} catch (CompletionException ok) {
2591	>	checkCompletedWithWrappedCancellationException(h4);
2592	>	rs[4].assertNotInvoked();
2593	>	}
2594	>	try {
2595	>	assertNull(h5.join());
2596	>	rs[5].assertValue(v1);
2597	>	} catch (CompletionException ok) {
2598	>	checkCompletedWithWrappedCancellationException(h5);
2599	>	rs[5].assertNotInvoked();
2600	>	}
2601
2602	<	/**
2603	<	* thenAcceptAsync result completes exceptionally if action does
2604	<	*/
2605	<	public void testThenAcceptAsync3() {
2606	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2607	<	FailingConsumer r = new FailingConsumer();
2608	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2609	<	f.complete(null);
1304	<	checkCompletedWithWrappedCFException(g);
1305	<	}
2602	>	checkCancelled(f);
2603	>	checkCompletedNormally(g, v1);
2604	>	checkCompletedWithWrappedCancellationException(h0);
2605	>	checkCompletedWithWrappedCancellationException(h1);
2606	>	checkCompletedWithWrappedCancellationException(h2);
2607	>	checkCompletedWithWrappedCancellationException(h3);
2608	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2609	>	}}
2610
2611		/**
2612	<	* thenAcceptAsync result completes exceptionally if source cancelled
2612	>	* acceptEither result completes exceptionally if action does
2613		*/
2614	<	public void testThenAcceptAsync4() {
2615	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2616	<	IncAction r = new IncAction();
2617	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2618	<	assertTrue(f.cancel(true));
2619	<	checkCompletedWithWrappedCancellationException(g);
2620	<	}
2614	>	public void testAcceptEither_actionFailed() {
2615	>	for (ExecutionMode m : ExecutionMode.values())
2616	>	for (Integer v1 : new Integer[] { 1, null })
2617	>	for (Integer v2 : new Integer[] { 2, null })
2618	>	{
2619	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2620	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2621	>	final FailingConsumer[] rs = new FailingConsumer[6];
2622	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2623	>
2624	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2625	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2626	>	f.complete(v1);
2627	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2628	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2629	>	checkCompletedWithWrappedCFException(h0);
2630	>	checkCompletedWithWrappedCFException(h1);
2631	>	checkCompletedWithWrappedCFException(h2);
2632	>	checkCompletedWithWrappedCFException(h3);
2633	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2634	>
2635	>	g.complete(v2);
2636	>
2637	>	// unspecified behavior - both source completions available
2638	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2639	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2640	>
2641	>	checkCompletedWithWrappedCFException(h4);
2642	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2643	>	Objects.equals(v2, rs[4].value));
2644	>	checkCompletedWithWrappedCFException(h5);
2645	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2646	>	Objects.equals(v2, rs[5].value));
2647	>
2648	>	checkCompletedNormally(f, v1);
2649	>	checkCompletedNormally(g, v2);
2650	>	}}
2651
2652		/**
2653	<	* thenCombineAsync result completes normally after normal
2654	<	* completion of sources
2653	>	* runAfterEither result completes normally after normal completion
2654	>	* of either source
2655		*/
2656	<	public void testThenCombineAsync() {
2657	<	CompletableFuture<Integer> f, g, h;
2658	<
2659	<	f = new CompletableFuture<Integer>();
2660	<	g = new CompletableFuture<Integer>();
2661	<	h = f.thenCombineAsync(g, subtract);
2662	<	f.complete(3);
2663	<	checkIncomplete(h);
2664	<	g.complete(1);
2665	<	checkCompletedNormally(h, 2);
2666	<
2667	<	f = new CompletableFuture<Integer>();
2668	<	g = new CompletableFuture<Integer>();
2669	<	h = f.thenCombineAsync(g, subtract);
2670	<	g.complete(1);
2671	<	checkIncomplete(h);
2672	<	f.complete(3);
2673	<	checkCompletedNormally(h, 2);
2674	<
2675	<	f = new CompletableFuture<Integer>();
2676	<	g = new CompletableFuture<Integer>();
2677	<	g.complete(1);
2678	<	f.complete(3);
2679	<	h = f.thenCombineAsync(g, subtract);
2680	<	checkCompletedNormally(h, 2);
2681	<	}
2656	>	public void testRunAfterEither_normalCompletion() {
2657	>	for (ExecutionMode m : ExecutionMode.values())
2658	>	for (Integer v1 : new Integer[] { 1, null })
2659	>	for (Integer v2 : new Integer[] { 2, null })
2660	>	{
2661	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2662	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2663	>	final Noop[] rs = new Noop[6];
2664	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2665	>
2666	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2667	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2668	>	checkIncomplete(h0);
2669	>	checkIncomplete(h1);
2670	>	rs[0].assertNotInvoked();
2671	>	rs[1].assertNotInvoked();
2672	>	f.complete(v1);
2673	>	checkCompletedNormally(h0, null);
2674	>	checkCompletedNormally(h1, null);
2675	>	rs[0].assertInvoked();
2676	>	rs[1].assertInvoked();
2677	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2678	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2679	>	checkCompletedNormally(h2, null);
2680	>	checkCompletedNormally(h3, null);
2681	>	rs[2].assertInvoked();
2682	>	rs[3].assertInvoked();
2683	>
2684	>	g.complete(v2);
2685	>
2686	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2687	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2688	>
2689	>	checkCompletedNormally(f, v1);
2690	>	checkCompletedNormally(g, v2);
2691	>	checkCompletedNormally(h0, null);
2692	>	checkCompletedNormally(h1, null);
2693	>	checkCompletedNormally(h2, null);
2694	>	checkCompletedNormally(h3, null);
2695	>	checkCompletedNormally(h4, null);
2696	>	checkCompletedNormally(h5, null);
2697	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2698	>	}}
2699
2700		/**
2701	<	* thenCombineAsync result completes exceptionally after exceptional
2701	>	* runAfterEither result completes exceptionally after exceptional
2702		* completion of either source
2703		*/
2704	<	public void testThenCombineAsync2() {
2705	<	CompletableFuture<Integer> f, g, h;
2706	<
2707	<	f = new CompletableFuture<Integer>();
2708	<	g = new CompletableFuture<Integer>();
2709	<	h = f.thenCombineAsync(g, subtract);
2710	<	f.completeExceptionally(new CFException());
2711	<	checkIncomplete(h);
2712	<	g.complete(1);
2713	<	checkCompletedWithWrappedCFException(h);
2714	<
2715	<	f = new CompletableFuture<Integer>();
2716	<	g = new CompletableFuture<Integer>();
2717	<	h = f.thenCombineAsync(g, subtract);
2718	<	g.completeExceptionally(new CFException());
2719	<	checkIncomplete(h);
2720	<	f.complete(3);
2721	<	checkCompletedWithWrappedCFException(h);
2722	<
2723	<	f = new CompletableFuture<Integer>();
2724	<	g = new CompletableFuture<Integer>();
2725	<	g.completeExceptionally(new CFException());
2726	<	f.complete(3);
2727	<	h = f.thenCombineAsync(g, subtract);
2728	<	checkCompletedWithWrappedCFException(h);
2729	<	}
2730	<
2731	<	/**
2732	<	* thenCombineAsync result completes exceptionally if action does
2733	<	*/
2734	<	public void testThenCombineAsync3() {
2735	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2736	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2737	<	FailingBiFunction r = new FailingBiFunction();
2738	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
2739	<	f.complete(one);
2740	<	checkIncomplete(g);
2741	<	assertFalse(r.ran);
2742	<	f2.complete(two);
2743	<	checkCompletedWithWrappedCFException(g);
2744	<	assertTrue(r.ran);
2745	<	}
2746	<
1396	<	/**
1397	<	* thenCombineAsync result completes exceptionally if either source cancelled
1398	<	*/
1399	<	public void testThenCombineAsync4() {
1400	<	CompletableFuture<Integer> f, g, h;
1401	<
1402	<	f = new CompletableFuture<Integer>();
1403	<	g = new CompletableFuture<Integer>();
1404	<	h = f.thenCombineAsync(g, subtract);
1405	<	assertTrue(f.cancel(true));
1406	<	checkIncomplete(h);
1407	<	g.complete(1);
1408	<	checkCompletedWithWrappedCancellationException(h);
1409	<
1410	<	f = new CompletableFuture<Integer>();
1411	<	g = new CompletableFuture<Integer>();
1412	<	h = f.thenCombineAsync(g, subtract);
1413	<	assertTrue(g.cancel(true));
1414	<	checkIncomplete(h);
1415	<	f.complete(3);
1416	<	checkCompletedWithWrappedCancellationException(h);
1417	<
1418	<	f = new CompletableFuture<Integer>();
1419	<	g = new CompletableFuture<Integer>();
1420	<	g.complete(3);
1421	<	assertTrue(f.cancel(true));
1422	<	h = f.thenCombineAsync(g, subtract);
1423	<	checkCompletedWithWrappedCancellationException(h);
1424	<
1425	<	f = new CompletableFuture<Integer>();
1426	<	g = new CompletableFuture<Integer>();
1427	<	f.complete(3);
1428	<	assertTrue(g.cancel(true));
1429	<	h = f.thenCombineAsync(g, subtract);
1430	<	checkCompletedWithWrappedCancellationException(h);
1431	<	}
1432	<
1433	<	/**
1434	<	* thenAcceptBothAsync result completes normally after normal
1435	<	* completion of sources
1436	<	*/
1437	<	public void testThenAcceptBothAsync() {
1438	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1439	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1440	<	AddAction r = new AddAction();
1441	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
1442	<	f.complete(one);
1443	<	checkIncomplete(g);
1444	<	f2.complete(two);
1445	<	checkCompletedNormally(g, null);
1446	<	assertEquals(r.value, 3);
1447	<	}
1448	<
1449	<	/**
1450	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1451	<	* completion of source
1452	<	*/
1453	<	public void testThenAcceptBothAsync2() {
1454	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1455	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1456	<	AddAction r = new AddAction();
1457	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
1458	<	f.completeExceptionally(new CFException());
1459	<	f2.complete(two);
1460	<	checkCompletedWithWrappedCFException(g);
1461	<
1462	<	r = new AddAction();
1463	<	f = new CompletableFuture<Integer>();
1464	<	f2 = new CompletableFuture<Integer>();
1465	<	g = f.thenAcceptBothAsync(f2, r);
1466	<	f.complete(one);
1467	<	f2.completeExceptionally(new CFException());
1468	<	checkCompletedWithWrappedCFException(g);
1469	<	}
1470	<
1471	<	/**
1472	<	* thenAcceptBothAsync result completes exceptionally if action does
1473	<	*/
1474	<	public void testThenAcceptBothAsync3() {
1475	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1476	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1477	<	FailingBiConsumer r = new FailingBiConsumer();
1478	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
1479	<	f.complete(one);
1480	<	checkIncomplete(g);
1481	<	f2.complete(two);
1482	<	checkCompletedWithWrappedCFException(g);
1483	<	}
2704	>	public void testRunAfterEither_exceptionalCompletion() {
2705	>	for (ExecutionMode m : ExecutionMode.values())
2706	>	for (Integer v1 : new Integer[] { 1, null })
2707	>	{
2708	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2709	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2710	>	final CFException ex = new CFException();
2711	>	final Noop[] rs = new Noop[6];
2712	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2713	>
2714	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2715	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2716	>	checkIncomplete(h0);
2717	>	checkIncomplete(h1);
2718	>	rs[0].assertNotInvoked();
2719	>	rs[1].assertNotInvoked();
2720	>	assertTrue(f.completeExceptionally(ex));
2721	>	checkCompletedWithWrappedException(h0, ex);
2722	>	checkCompletedWithWrappedException(h1, ex);
2723	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2724	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2725	>	checkCompletedWithWrappedException(h2, ex);
2726	>	checkCompletedWithWrappedException(h3, ex);
2727	>
2728	>	assertTrue(g.complete(v1));
2729	>
2730	>	// unspecified behavior - both source completions available
2731	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2732	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2733	>	try {
2734	>	assertNull(h4.join());
2735	>	rs[4].assertInvoked();
2736	>	} catch (CompletionException ok) {
2737	>	checkCompletedWithWrappedException(h4, ex);
2738	>	rs[4].assertNotInvoked();
2739	>	}
2740	>	try {
2741	>	assertNull(h5.join());
2742	>	rs[5].assertInvoked();
2743	>	} catch (CompletionException ok) {
2744	>	checkCompletedWithWrappedException(h5, ex);
2745	>	rs[5].assertNotInvoked();
2746	>	}
2747
2748	<	/**
2749	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2750	<	*/
2751	<	public void testThenAcceptBothAsync4() {
2752	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2753	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2754	<	AddAction r = new AddAction();
2755	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
2756	<	assertTrue(f.cancel(true));
2757	<	f2.complete(two);
2758	<	checkCompletedWithWrappedCancellationException(g);
2748	>	checkCompletedExceptionally(f, ex);
2749	>	checkCompletedNormally(g, v1);
2750	>	checkCompletedWithWrappedException(h0, ex);
2751	>	checkCompletedWithWrappedException(h1, ex);
2752	>	checkCompletedWithWrappedException(h2, ex);
2753	>	checkCompletedWithWrappedException(h3, ex);
2754	>	checkCompletedWithWrappedException(h4, ex);
2755	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2756	>	}}
2757	>
2758	>	public void testRunAfterEither_exceptionalCompletion2() {
2759	>	for (ExecutionMode m : ExecutionMode.values())
2760	>	for (boolean fFirst : new boolean[] { true, false })
2761	>	for (Integer v1 : new Integer[] { 1, null })
2762	>	{
2763	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2764	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2765	>	final CFException ex = new CFException();
2766	>	final Noop[] rs = new Noop[6];
2767	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2768	>
2769	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2770	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2771	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2772	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2773	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2774	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2775
2776	<	r = new AddAction();
2777	<	f = new CompletableFuture<Integer>();
2778	<	f2 = new CompletableFuture<Integer>();
2779	<	g = f.thenAcceptBothAsync(f2, r);
2780	<	f.complete(one);
2781	<	assertTrue(f2.cancel(true));
2782	<	checkCompletedWithWrappedCancellationException(g);
2783	<	}
2776	>	// unspecified behavior - both source completions available
2777	>	try {
2778	>	assertEquals(null, h0.join());
2779	>	rs[0].assertInvoked();
2780	>	} catch (CompletionException ok) {
2781	>	checkCompletedWithWrappedException(h0, ex);
2782	>	rs[0].assertNotInvoked();
2783	>	}
2784	>	try {
2785	>	assertEquals(null, h1.join());
2786	>	rs[1].assertInvoked();
2787	>	} catch (CompletionException ok) {
2788	>	checkCompletedWithWrappedException(h1, ex);
2789	>	rs[1].assertNotInvoked();
2790	>	}
2791	>	try {
2792	>	assertEquals(null, h2.join());
2793	>	rs[2].assertInvoked();
2794	>	} catch (CompletionException ok) {
2795	>	checkCompletedWithWrappedException(h2, ex);
2796	>	rs[2].assertNotInvoked();
2797	>	}
2798	>	try {
2799	>	assertEquals(null, h3.join());
2800	>	rs[3].assertInvoked();
2801	>	} catch (CompletionException ok) {
2802	>	checkCompletedWithWrappedException(h3, ex);
2803	>	rs[3].assertNotInvoked();
2804	>	}
2805
2806	<	/**
2807	<	* runAfterBothAsync result completes normally after normal
2808	<	* completion of sources
1509	<	*/
1510	<	public void testRunAfterBothAsync() {
1511	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1512	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1513	<	Noop r = new Noop();
1514	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1515	<	f.complete(one);
1516	<	checkIncomplete(g);
1517	<	f2.complete(two);
1518	<	checkCompletedNormally(g, null);
1519	<	assertTrue(r.ran);
1520	<	}
2806	>	checkCompletedNormally(f, v1);
2807	>	checkCompletedExceptionally(g, ex);
2808	>	}}
2809
2810		/**
2811	<	* runAfterBothAsync result completes exceptionally after exceptional
1524	<	* completion of source
2811	>	* runAfterEither result completes exceptionally if either source cancelled
2812		*/
2813	<	public void testRunAfterBothAsync2() {
2814	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2815	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2816	<	Noop r = new Noop();
2817	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
2818	<	f.completeExceptionally(new CFException());
2819	<	f2.complete(two);
2820	<	checkCompletedWithWrappedCFException(g);
2813	>	public void testRunAfterEither_sourceCancelled() {
2814	>	for (ExecutionMode m : ExecutionMode.values())
2815	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2816	>	for (Integer v1 : new Integer[] { 1, null })
2817	>	{
2818	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2819	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2820	>	final Noop[] rs = new Noop[6];
2821	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2822	>
2823	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2824	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2825	>	checkIncomplete(h0);
2826	>	checkIncomplete(h1);
2827	>	rs[0].assertNotInvoked();
2828	>	rs[1].assertNotInvoked();
2829	>	f.cancel(mayInterruptIfRunning);
2830	>	checkCompletedWithWrappedCancellationException(h0);
2831	>	checkCompletedWithWrappedCancellationException(h1);
2832	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2833	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2834	>	checkCompletedWithWrappedCancellationException(h2);
2835	>	checkCompletedWithWrappedCancellationException(h3);
2836	>
2837	>	assertTrue(g.complete(v1));
2838	>
2839	>	// unspecified behavior - both source completions available
2840	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2841	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2842	>	try {
2843	>	assertNull(h4.join());
2844	>	rs[4].assertInvoked();
2845	>	} catch (CompletionException ok) {
2846	>	checkCompletedWithWrappedCancellationException(h4);
2847	>	rs[4].assertNotInvoked();
2848	>	}
2849	>	try {
2850	>	assertNull(h5.join());
2851	>	rs[5].assertInvoked();
2852	>	} catch (CompletionException ok) {
2853	>	checkCompletedWithWrappedCancellationException(h5);
2854	>	rs[5].assertNotInvoked();
2855	>	}
2856
2857	<	r = new Noop();
2858	<	f = new CompletableFuture<Integer>();
2859	<	f2 = new CompletableFuture<Integer>();
2860	<	g = f.runAfterBothAsync(f2, r);
2861	<	f.complete(one);
2862	<	f2.completeExceptionally(new CFException());
2863	<	checkCompletedWithWrappedCFException(g);
2864	<	}
2857	>	checkCancelled(f);
2858	>	checkCompletedNormally(g, v1);
2859	>	checkCompletedWithWrappedCancellationException(h0);
2860	>	checkCompletedWithWrappedCancellationException(h1);
2861	>	checkCompletedWithWrappedCancellationException(h2);
2862	>	checkCompletedWithWrappedCancellationException(h3);
2863	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2864	>	}}
2865
2866		/**
2867	<	* runAfterBothAsync result completes exceptionally if action does
2867	>	* runAfterEither result completes exceptionally if action does
2868		*/
2869	<	public void testRunAfterBothAsync3() {
2870	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2871	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2872	<	FailingNoop r = new FailingNoop();
2873	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
2874	<	f.complete(one);
2875	<	checkIncomplete(g);
2876	<	f2.complete(two);
2877	<	checkCompletedWithWrappedCFException(g);
2878	<	}
2869	>	public void testRunAfterEither_actionFailed() {
2870	>	for (ExecutionMode m : ExecutionMode.values())
2871	>	for (Integer v1 : new Integer[] { 1, null })
2872	>	for (Integer v2 : new Integer[] { 2, null })
2873	>	{
2874	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2875	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2876	>	final FailingRunnable[] rs = new FailingRunnable[6];
2877	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2878	>
2879	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2880	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2881	>	assertTrue(f.complete(v1));
2882	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2883	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2884	>	checkCompletedWithWrappedCFException(h0);
2885	>	checkCompletedWithWrappedCFException(h1);
2886	>	checkCompletedWithWrappedCFException(h2);
2887	>	checkCompletedWithWrappedCFException(h3);
2888	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2889	>	assertTrue(g.complete(v2));
2890	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2891	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2892	>	checkCompletedWithWrappedCFException(h4);
2893	>	checkCompletedWithWrappedCFException(h5);
2894	>
2895	>	checkCompletedNormally(f, v1);
2896	>	checkCompletedNormally(g, v2);
2897	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2898	>	}}
2899
2900		/**
2901	<	* runAfterBothAsync result completes exceptionally if either source cancelled
1560	<	*/
1561	<	public void testRunAfterBothAsync4() {
1562	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1563	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1564	<	Noop r = new Noop();
1565	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1566	<	assertTrue(f.cancel(true));
1567	<	f2.complete(two);
1568	<	checkCompletedWithWrappedCancellationException(g);
1569	<
1570	<	r = new Noop();
1571	<	f = new CompletableFuture<Integer>();
1572	<	f2 = new CompletableFuture<Integer>();
1573	<	g = f.runAfterBothAsync(f2, r);
1574	<	f.complete(one);
1575	<	assertTrue(f2.cancel(true));
1576	<	checkCompletedWithWrappedCancellationException(g);
1577	<	}
1578	<
1579	<	/**
1580	<	* applyToEitherAsync result completes normally after normal
1581	<	* completion of sources
2901	>	* thenCompose result completes normally after normal completion of source
2902		*/
2903	<	public void testApplyToEitherAsync() {
2904	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2905	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2906	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2907	<	f.complete(one);
2908	<	checkCompletedNormally(g, two);
2909	<
2910	<	f = new CompletableFuture<Integer>();
2911	<	f.complete(one);
2912	<	f2 = new CompletableFuture<Integer>();
2913	<	g = f.applyToEitherAsync(f2, inc);
2914	<	checkCompletedNormally(g, two);
2915	<	}
2903	>	public void testThenCompose_normalCompletion() {
2904	>	for (ExecutionMode m : ExecutionMode.values())
2905	>	for (boolean createIncomplete : new boolean[] { true, false })
2906	>	for (Integer v1 : new Integer[] { 1, null })
2907	>	{
2908	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2909	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2910	>	if (!createIncomplete) assertTrue(f.complete(v1));
2911	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2912	>	if (createIncomplete) assertTrue(f.complete(v1));
2913	>
2914	>	checkCompletedNormally(g, inc(v1));
2915	>	checkCompletedNormally(f, v1);
2916	>	r.assertValue(v1);
2917	>	}}
2918
2919		/**
2920	<	* applyToEitherAsync result completes exceptionally after exceptional
2920	>	* thenCompose result completes exceptionally after exceptional
2921		* completion of source
2922		*/
2923	<	public void testApplyToEitherAsync2() {
2924	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2925	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2926	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2927	<	f.completeExceptionally(new CFException());
2928	<	checkCompletedWithWrappedCFException(g);
2929	<
2930	<	f = new CompletableFuture<Integer>();
2931	<	f2 = new CompletableFuture<Integer>();
2932	<	f2.completeExceptionally(new CFException());
2933	<	g = f.applyToEitherAsync(f2, inc);
2934	<	f.complete(one);
2935	<	checkCompletedWithWrappedCFException(g);
2936	<	}
2937	<
1616	<	/**
1617	<	* applyToEitherAsync result completes exceptionally if action does
1618	<	*/
1619	<	public void testApplyToEitherAsync3() {
1620	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1621	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1622	<	FailingFunction r = new FailingFunction();
1623	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1624	<	f.complete(one);
1625	<	checkCompletedWithWrappedCFException(g);
1626	<	}
1627	<
1628	<	/**
1629	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1630	<	*/
1631	<	public void testApplyToEitherAsync4() {
1632	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1633	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1634	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1635	<	assertTrue(f.cancel(true));
1636	<	checkCompletedWithWrappedCancellationException(g);
1637	<
1638	<	f = new CompletableFuture<Integer>();
1639	<	f2 = new CompletableFuture<Integer>();
1640	<	assertTrue(f2.cancel(true));
1641	<	g = f.applyToEitherAsync(f2, inc);
1642	<	checkCompletedWithWrappedCancellationException(g);
1643	<	}
1644	<
1645	<	/**
1646	<	* acceptEitherAsync result completes normally after normal
1647	<	* completion of sources
1648	<	*/
1649	<	public void testAcceptEitherAsync() {
1650	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1651	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1652	<	IncAction r = new IncAction();
1653	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1654	<	f.complete(one);
1655	<	checkCompletedNormally(g, null);
1656	<	assertEquals(r.value, 2);
1657	<
1658	<	r = new IncAction();
1659	<	f = new CompletableFuture<Integer>();
1660	<	f.complete(one);
1661	<	f2 = new CompletableFuture<Integer>();
1662	<	g = f.acceptEitherAsync(f2, r);
1663	<	checkCompletedNormally(g, null);
1664	<	assertEquals(r.value, 2);
1665	<	}
2923	>	public void testThenCompose_exceptionalCompletion() {
2924	>	for (ExecutionMode m : ExecutionMode.values())
2925	>	for (boolean createIncomplete : new boolean[] { true, false })
2926	>	{
2927	>	final CFException ex = new CFException();
2928	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2929	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2930	>	if (!createIncomplete) f.completeExceptionally(ex);
2931	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2932	>	if (createIncomplete) f.completeExceptionally(ex);
2933	>
2934	>	checkCompletedWithWrappedException(g, ex);
2935	>	checkCompletedExceptionally(f, ex);
2936	>	r.assertNotInvoked();
2937	>	}}
2938
2939		/**
2940	<	* acceptEitherAsync result completes exceptionally after exceptional
1669	<	* completion of source
2940	>	* thenCompose result completes exceptionally if action does
2941		*/
2942	<	public void testAcceptEitherAsync2() {
2943	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2944	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2945	<	IncAction r = new IncAction();
2946	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2947	<	f.completeExceptionally(new CFException());
2948	<	checkCompletedWithWrappedCFException(g);
2949	<
2950	<	r = new IncAction();
2951	<	f = new CompletableFuture<Integer>();
2952	<	f2 = new CompletableFuture<Integer>();
1682	<	f2.completeExceptionally(new CFException());
1683	<	g = f.acceptEitherAsync(f2, r);
1684	<	f.complete(one);
1685	<	checkCompletedWithWrappedCFException(g);
1686	<	}
2942	>	public void testThenCompose_actionFailed() {
2943	>	for (ExecutionMode m : ExecutionMode.values())
2944	>	for (boolean createIncomplete : new boolean[] { true, false })
2945	>	for (Integer v1 : new Integer[] { 1, null })
2946	>	{
2947	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2948	>	final FailingCompletableFutureFunction r
2949	>	= new FailingCompletableFutureFunction(m);
2950	>	if (!createIncomplete) assertTrue(f.complete(v1));
2951	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2952	>	if (createIncomplete) assertTrue(f.complete(v1));
2953
1688	–	/**
1689	–	* acceptEitherAsync result completes exceptionally if action does
1690	–	*/
1691	–	public void testAcceptEitherAsync3() {
1692	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1693	–	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1694	–	FailingConsumer r = new FailingConsumer();
1695	–	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1696	–	f.complete(one);
2954		checkCompletedWithWrappedCFException(g);
2955	<	}
2955	>	checkCompletedNormally(f, v1);
2956	>	}}
2957
2958		/**
2959	<	* acceptEitherAsync result completes exceptionally if either
1702	<	* source cancelled
2959	>	* thenCompose result completes exceptionally if source cancelled
2960		*/
2961	<	public void testAcceptEitherAsync4() {
2962	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2963	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2964	<	IncAction r = new IncAction();
2965	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2966	<	assertTrue(f.cancel(true));
2967	<	checkCompletedWithWrappedCancellationException(g);
2961	>	public void testThenCompose_sourceCancelled() {
2962	>	for (ExecutionMode m : ExecutionMode.values())
2963	>	for (boolean createIncomplete : new boolean[] { true, false })
2964	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2965	>	{
2966	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2967	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2968	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2969	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2970	>	if (createIncomplete) {
2971	>	checkIncomplete(g);
2972	>	assertTrue(f.cancel(mayInterruptIfRunning));
2973	>	}
2974
1712	–	r = new IncAction();
1713	–	f = new CompletableFuture<Integer>();
1714	–	f2 = new CompletableFuture<Integer>();
1715	–	assertTrue(f2.cancel(true));
1716	–	g = f.acceptEitherAsync(f2, r);
2975		checkCompletedWithWrappedCancellationException(g);
2976	<	}
2977	<
1720	<	/**
1721	<	* runAfterEitherAsync result completes normally after normal
1722	<	* completion of sources
1723	<	*/
1724	<	public void testRunAfterEitherAsync() {
1725	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1726	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1727	<	Noop r = new Noop();
1728	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1729	<	f.complete(one);
1730	<	checkCompletedNormally(g, null);
1731	<	assertTrue(r.ran);
1732	<
1733	<	r = new Noop();
1734	<	f = new CompletableFuture<Integer>();
1735	<	f.complete(one);
1736	<	f2 = new CompletableFuture<Integer>();
1737	<	g = f.runAfterEitherAsync(f2, r);
1738	<	checkCompletedNormally(g, null);
1739	<	assertTrue(r.ran);
1740	<	}
1741	<
1742	<	/**
1743	<	* runAfterEitherAsync result completes exceptionally after exceptional
1744	<	* completion of source
1745	<	*/
1746	<	public void testRunAfterEitherAsync2() {
1747	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1748	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1749	<	Noop r = new Noop();
1750	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1751	<	f.completeExceptionally(new CFException());
1752	<	checkCompletedWithWrappedCFException(g);
1753	<
1754	<	r = new Noop();
1755	<	f = new CompletableFuture<Integer>();
1756	<	f2 = new CompletableFuture<Integer>();
1757	<	f2.completeExceptionally(new CFException());
1758	<	g = f.runAfterEitherAsync(f2, r);
1759	<	f.complete(one);
1760	<	checkCompletedWithWrappedCFException(g);
1761	<	}
2976	>	checkCancelled(f);
2977	>	}}
2978
2979		/**
2980	<	* runAfterEitherAsync result completes exceptionally if action does
2980	>	* thenCompose result completes exceptionally if the result of the action does
2981		*/
2982	<	public void testRunAfterEitherAsync3() {
2983	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2984	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2985	<	FailingNoop r = new FailingNoop();
2986	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2987	<	f.complete(one);
2988	<	checkCompletedWithWrappedCFException(g);
2989	<	}
2982	>	public void testThenCompose_actionReturnsFailingFuture() {
2983	>	for (ExecutionMode m : ExecutionMode.values())
2984	>	for (int order = 0; order < 6; order++)
2985	>	for (Integer v1 : new Integer[] { 1, null })
2986	>	{
2987	>	final CFException ex = new CFException();
2988	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2989	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2990	>	final CompletableFuture<Integer> h;
2991	>	// Test all permutations of orders
2992	>	switch (order) {
2993	>	case 0:
2994	>	assertTrue(f.complete(v1));
2995	>	assertTrue(g.completeExceptionally(ex));
2996	>	h = m.thenCompose(f, (x -> g));
2997	>	break;
2998	>	case 1:
2999	>	assertTrue(f.complete(v1));
3000	>	h = m.thenCompose(f, (x -> g));
3001	>	assertTrue(g.completeExceptionally(ex));
3002	>	break;
3003	>	case 2:
3004	>	assertTrue(g.completeExceptionally(ex));
3005	>	assertTrue(f.complete(v1));
3006	>	h = m.thenCompose(f, (x -> g));
3007	>	break;
3008	>	case 3:
3009	>	assertTrue(g.completeExceptionally(ex));
3010	>	h = m.thenCompose(f, (x -> g));
3011	>	assertTrue(f.complete(v1));
3012	>	break;
3013	>	case 4:
3014	>	h = m.thenCompose(f, (x -> g));
3015	>	assertTrue(f.complete(v1));
3016	>	assertTrue(g.completeExceptionally(ex));
3017	>	break;
3018	>	case 5:
3019	>	h = m.thenCompose(f, (x -> g));
3020	>	assertTrue(f.complete(v1));
3021	>	assertTrue(g.completeExceptionally(ex));
3022	>	break;
3023	>	default: throw new AssertionError();
3024	>	}
3025
3026	<	/**
3027	<	* runAfterEitherAsync result completes exceptionally if either
3028	<	* source cancelled
3029	<	*/
1779	<	public void testRunAfterEitherAsync4() {
1780	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1781	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1782	<	Noop r = new Noop();
1783	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1784	<	assertTrue(f.cancel(true));
1785	<	checkCompletedWithWrappedCancellationException(g);
3026	>	checkCompletedExceptionally(g, ex);
3027	>	checkCompletedWithWrappedException(h, ex);
3028	>	checkCompletedNormally(f, v1);
3029	>	}}
3030
3031	<	r = new Noop();
1788	<	f = new CompletableFuture<Integer>();
1789	<	f2 = new CompletableFuture<Integer>();
1790	<	assertTrue(f2.cancel(true));
1791	<	g = f.runAfterEitherAsync(f2, r);
1792	<	checkCompletedWithWrappedCancellationException(g);
1793	<	}
3031	>	// other static methods
3032
3033		/**
3034	<	* thenComposeAsync result completes normally after normal
3035	<	* completion of source
3034	>	* allOf(no component futures) returns a future completed normally
3035	>	* with the value null
3036		*/
3037	<	public void testThenComposeAsync() {
3038	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3039	<	CompletableFutureInc r = new CompletableFutureInc();
1802	<	CompletableFuture<Integer> g = f.thenComposeAsync(r);
1803	<	f.complete(one);
1804	<	checkCompletedNormally(g, two);
3037	>	public void testAllOf_empty() throws Exception {
3038	>	CompletableFuture<Void> f = CompletableFuture.allOf();
3039	>	checkCompletedNormally(f, null);
3040		}
3041
3042		/**
3043	<	* thenComposeAsync result completes exceptionally after
3044	<	* exceptional completion of source
3043	>	* allOf returns a future completed normally with the value null
3044	>	* when all components complete normally
3045		*/
3046	<	public void testThenComposeAsync2() {
3047	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3048	<	CompletableFutureInc r = new CompletableFutureInc();
3049	<	CompletableFuture<Integer> g = f.thenComposeAsync(r);
3050	<	f.completeExceptionally(new CFException());
3051	<	checkCompletedWithWrappedCFException(g);
3046	>	public void testAllOf_normal() throws Exception {
3047	>	for (int k = 1; k < 10; k++) {
3048	>	CompletableFuture<Integer>[] fs
3049	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3050	>	for (int i = 0; i < k; i++)
3051	>	fs[i] = new CompletableFuture<>();
3052	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3053	>	for (int i = 0; i < k; i++) {
3054	>	checkIncomplete(f);
3055	>	checkIncomplete(CompletableFuture.allOf(fs));
3056	>	fs[i].complete(one);
3057	>	}
3058	>	checkCompletedNormally(f, null);
3059	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3060	>	}
3061		}
3062
3063	<	/**
3064	<	* thenComposeAsync result completes exceptionally if action does
3065	<	*/
3066	<	public void testThenComposeAsync3() {
3067	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3068	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3069	<	CompletableFuture<Integer> g = f.thenComposeAsync(r);
3070	<	f.complete(one);
3071	<	checkCompletedWithWrappedCFException(g);
3063	>	public void testAllOf_backwards() throws Exception {
3064	>	for (int k = 1; k < 10; k++) {
3065	>	CompletableFuture<Integer>[] fs
3066	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3067	>	for (int i = 0; i < k; i++)
3068	>	fs[i] = new CompletableFuture<>();
3069	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3070	>	for (int i = k - 1; i >= 0; i--) {
3071	>	checkIncomplete(f);
3072	>	checkIncomplete(CompletableFuture.allOf(fs));
3073	>	fs[i].complete(one);
3074	>	}
3075	>	checkCompletedNormally(f, null);
3076	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3077	>	}
3078		}
3079
3080	<	/**
3081	<	* thenComposeAsync result completes exceptionally if source cancelled
3082	<	*/
3083	<	public void testThenComposeAsync4() {
3084	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3085	<	CompletableFutureInc r = new CompletableFutureInc();
3086	<	CompletableFuture<Integer> g = f.thenComposeAsync(r);
3087	<	assertTrue(f.cancel(true));
3088	<	checkCompletedWithWrappedCancellationException(g);
3080	>	public void testAllOf_exceptional() throws Exception {
3081	>	for (int k = 1; k < 10; k++) {
3082	>	CompletableFuture<Integer>[] fs
3083	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3084	>	CFException ex = new CFException();
3085	>	for (int i = 0; i < k; i++)
3086	>	fs[i] = new CompletableFuture<>();
3087	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3088	>	for (int i = 0; i < k; i++) {
3089	>	checkIncomplete(f);
3090	>	checkIncomplete(CompletableFuture.allOf(fs));
3091	>	if (i != k / 2) {
3092	>	fs[i].complete(i);
3093	>	checkCompletedNormally(fs[i], i);
3094	>	} else {
3095	>	fs[i].completeExceptionally(ex);
3096	>	checkCompletedExceptionally(fs[i], ex);
3097	>	}
3098	>	}
3099	>	checkCompletedWithWrappedException(f, ex);
3100	>	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3101	>	}
3102		}
3103
1841	–
1842	–	// async with explicit executors
1843	–
3104		/**
3105	<	* thenRunAsync result completes normally after normal completion of source
3105	>	* anyOf(no component futures) returns an incomplete future
3106		*/
3107	<	public void testThenRunAsyncE() {
3108	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3109	<	Noop r = new Noop();
3110	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3111	<	f.complete(null);
1852	<	checkCompletedNormally(g, null);
3107	>	public void testAnyOf_empty() throws Exception {
3108	>	for (Integer v1 : new Integer[] { 1, null })
3109	>	{
3110	>	CompletableFuture<Object> f = CompletableFuture.anyOf();
3111	>	checkIncomplete(f);
3112
3113	<	// reordered version
3114	<	f = new CompletableFuture<Integer>();
3115	<	f.complete(null);
1857	<	r = new Noop();
1858	<	g = f.thenRunAsync(r, new ThreadExecutor());
1859	<	checkCompletedNormally(g, null);
1860	<	}
3113	>	f.complete(v1);
3114	>	checkCompletedNormally(f, v1);
3115	>	}}
3116
3117		/**
3118	<	* thenRunAsync result completes exceptionally after exceptional
3119	<	* completion of source
3118	>	* anyOf returns a future completed normally with a value when
3119	>	* a component future does
3120		*/
3121	<	public void testThenRunAsync2E() {
3122	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3123	<	Noop r = new Noop();
3124	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3125	<	f.completeExceptionally(new CFException());
3126	<	try {
3127	<	g.join();
3128	<	shouldThrow();
3129	<	} catch (Exception ok) {
3121	>	public void testAnyOf_normal() throws Exception {
3122	>	for (int k = 0; k < 10; k++) {
3123	>	CompletableFuture[] fs = new CompletableFuture[k];
3124	>	for (int i = 0; i < k; i++)
3125	>	fs[i] = new CompletableFuture<>();
3126	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3127	>	checkIncomplete(f);
3128	>	for (int i = 0; i < k; i++) {
3129	>	fs[i].complete(i);
3130	>	checkCompletedNormally(f, 0);
3131	>	int x = (int) CompletableFuture.anyOf(fs).join();
3132	>	assertTrue(0 <= x && x <= i);
3133	>	}
3134		}
1876	–	checkCompletedWithWrappedCFException(g);
3135		}
3136	<
3137	<	/**
3138	<	* thenRunAsync result completes exceptionally if action does
3139	<	*/
3140	<	public void testThenRunAsync3E() {
3141	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3142	<	FailingNoop r = new FailingNoop();
3143	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3144	<	f.complete(null);
3145	<	checkCompletedWithWrappedCFException(g);
3146	<	}
3147	<
3148	<	/**
3149	<	* thenRunAsync result completes exceptionally if source cancelled
1892	<	*/
1893	<	public void testThenRunAsync4E() {
1894	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1895	<	Noop r = new Noop();
1896	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
1897	<	assertTrue(f.cancel(true));
1898	<	checkCompletedWithWrappedCancellationException(g);
3136	>	public void testAnyOf_normal_backwards() throws Exception {
3137	>	for (int k = 0; k < 10; k++) {
3138	>	CompletableFuture[] fs = new CompletableFuture[k];
3139	>	for (int i = 0; i < k; i++)
3140	>	fs[i] = new CompletableFuture<>();
3141	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3142	>	checkIncomplete(f);
3143	>	for (int i = k - 1; i >= 0; i--) {
3144	>	fs[i].complete(i);
3145	>	checkCompletedNormally(f, k - 1);
3146	>	int x = (int) CompletableFuture.anyOf(fs).join();
3147	>	assertTrue(i <= x && x <= k - 1);
3148	>	}
3149	>	}
3150		}
3151
3152		/**
3153	<	* thenApplyAsync result completes normally after normal completion of source
3153	>	* anyOf result completes exceptionally when any component does.
3154		*/
3155	<	public void testThenApplyAsyncE() {
3156	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3157	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3158	<	f.complete(one);
3159	<	checkCompletedNormally(g, two);
3155	>	public void testAnyOf_exceptional() throws Exception {
3156	>	for (int k = 0; k < 10; k++) {
3157	>	CompletableFuture[] fs = new CompletableFuture[k];
3158	>	CFException[] exs = new CFException[k];
3159	>	for (int i = 0; i < k; i++) {
3160	>	fs[i] = new CompletableFuture<>();
3161	>	exs[i] = new CFException();
3162	>	}
3163	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3164	>	checkIncomplete(f);
3165	>	for (int i = 0; i < k; i++) {
3166	>	fs[i].completeExceptionally(exs[i]);
3167	>	checkCompletedWithWrappedException(f, exs[0]);
3168	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3169	>	}
3170	>	}
3171		}
3172
3173	<	/**
3174	<	* thenApplyAsync result completes exceptionally after exceptional
3175	<	* completion of source
3176	<	*/
3177	<	public void testThenApplyAsync2E() {
3178	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3179	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3180	<	f.completeExceptionally(new CFException());
3181	<	checkCompletedWithWrappedCFException(g);
3173	>	public void testAnyOf_exceptional_backwards() throws Exception {
3174	>	for (int k = 0; k < 10; k++) {
3175	>	CompletableFuture[] fs = new CompletableFuture[k];
3176	>	CFException[] exs = new CFException[k];
3177	>	for (int i = 0; i < k; i++) {
3178	>	fs[i] = new CompletableFuture<>();
3179	>	exs[i] = new CFException();
3180	>	}
3181	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3182	>	checkIncomplete(f);
3183	>	for (int i = k - 1; i >= 0; i--) {
3184	>	fs[i].completeExceptionally(exs[i]);
3185	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3186	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3187	>	}
3188	>	}
3189		}
3190
3191		/**
3192	<	* thenApplyAsync result completes exceptionally if action does
3192	>	* Completion methods throw NullPointerException with null arguments
3193		*/
3194	<	public void testThenApplyAsync3E() {
3195	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3196	<	FailingFunction r = new FailingFunction();
3197	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3198	<	f.complete(null);
1930	<	checkCompletedWithWrappedCFException(g);
1931	<	}
3194	>	public void testNPE() {
3195	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3196	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3197	>	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3198	>	ThreadExecutor exec = new ThreadExecutor();
3199
3200	<	/**
3201	<	* thenApplyAsync result completes exceptionally if source cancelled
3202	<	*/
3203	<	public void testThenApplyAsync4E() {
3204	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3205	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3206	<	assertTrue(f.cancel(true));
3207	<	checkCompletedWithWrappedCancellationException(g);
3208	<	}
3200	>	Runnable[] throwingActions = {
3201	>	() -> CompletableFuture.supplyAsync(null),
3202	>	() -> CompletableFuture.supplyAsync(null, exec),
3203	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3204	>
3205	>	() -> CompletableFuture.runAsync(null),
3206	>	() -> CompletableFuture.runAsync(null, exec),
3207	>	() -> CompletableFuture.runAsync(() -> {}, null),
3208	>
3209	>	() -> f.completeExceptionally(null),
3210	>
3211	>	() -> f.thenApply(null),
3212	>	() -> f.thenApplyAsync(null),
3213	>	() -> f.thenApplyAsync((x) -> x, null),
3214	>	() -> f.thenApplyAsync(null, exec),
3215	>
3216	>	() -> f.thenAccept(null),
3217	>	() -> f.thenAcceptAsync(null),
3218	>	() -> f.thenAcceptAsync((x) -> {} , null),
3219	>	() -> f.thenAcceptAsync(null, exec),
3220	>
3221	>	() -> f.thenRun(null),
3222	>	() -> f.thenRunAsync(null),
3223	>	() -> f.thenRunAsync(() -> {} , null),
3224	>	() -> f.thenRunAsync(null, exec),
3225	>
3226	>	() -> f.thenCombine(g, null),
3227	>	() -> f.thenCombineAsync(g, null),
3228	>	() -> f.thenCombineAsync(g, null, exec),
3229	>	() -> f.thenCombine(nullFuture, (x, y) -> x),
3230	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3231	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3232	>	() -> f.thenCombineAsync(g, (x, y) -> x, null),
3233	>
3234	>	() -> f.thenAcceptBoth(g, null),
3235	>	() -> f.thenAcceptBothAsync(g, null),
3236	>	() -> f.thenAcceptBothAsync(g, null, exec),
3237	>	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3238	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3239	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3240	>	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3241	>
3242	>	() -> f.runAfterBoth(g, null),
3243	>	() -> f.runAfterBothAsync(g, null),
3244	>	() -> f.runAfterBothAsync(g, null, exec),
3245	>	() -> f.runAfterBoth(nullFuture, () -> {}),
3246	>	() -> f.runAfterBothAsync(nullFuture, () -> {}),
3247	>	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3248	>	() -> f.runAfterBothAsync(g, () -> {}, null),
3249	>
3250	>	() -> f.applyToEither(g, null),
3251	>	() -> f.applyToEitherAsync(g, null),
3252	>	() -> f.applyToEitherAsync(g, null, exec),
3253	>	() -> f.applyToEither(nullFuture, (x) -> x),
3254	>	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3255	>	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3256	>	() -> f.applyToEitherAsync(g, (x) -> x, null),
3257	>
3258	>	() -> f.acceptEither(g, null),
3259	>	() -> f.acceptEitherAsync(g, null),
3260	>	() -> f.acceptEitherAsync(g, null, exec),
3261	>	() -> f.acceptEither(nullFuture, (x) -> {}),
3262	>	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3263	>	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3264	>	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3265	>
3266	>	() -> f.runAfterEither(g, null),
3267	>	() -> f.runAfterEitherAsync(g, null),
3268	>	() -> f.runAfterEitherAsync(g, null, exec),
3269	>	() -> f.runAfterEither(nullFuture, () -> {}),
3270	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
3271	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3272	>	() -> f.runAfterEitherAsync(g, () -> {}, null),
3273	>
3274	>	() -> f.thenCompose(null),
3275	>	() -> f.thenComposeAsync(null),
3276	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3277	>	() -> f.thenComposeAsync(null, exec),
3278	>
3279	>	() -> f.exceptionally(null),
3280	>
3281	>	() -> f.handle(null),
3282	>
3283	>	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
3284	>	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3285	>	() -> CompletableFuture.allOf(f, null),
3286	>	() -> CompletableFuture.allOf(null, f),
3287	>
3288	>	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3289	>	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3290	>	() -> CompletableFuture.anyOf(f, null),
3291	>	() -> CompletableFuture.anyOf(null, f),
3292	>
3293	>	() -> f.obtrudeException(null),
3294	>
3295	>	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3296	>	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3297	>	() -> CompletableFuture.delayedExecutor(1L, null),
3298
3299	<	/**
3300	<	* thenAcceptAsync result completes normally after normal
1945	<	* completion of source
1946	<	*/
1947	<	public void testThenAcceptAsyncE() {
1948	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1949	<	IncAction r = new IncAction();
1950	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
1951	<	f.complete(one);
1952	<	checkCompletedNormally(g, null);
1953	<	assertEquals(r.value, 2);
1954	<	}
3299	>	() -> f.orTimeout(1L, null),
3300	>	() -> f.completeOnTimeout(42, 1L, null),
3301
3302	<	/**
3303	<	* thenAcceptAsync result completes exceptionally after exceptional
3304	<	* completion of source
1959	<	*/
1960	<	public void testThenAcceptAsync2E() {
1961	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1962	<	IncAction r = new IncAction();
1963	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
1964	<	f.completeExceptionally(new CFException());
1965	<	checkCompletedWithWrappedCFException(g);
1966	<	}
3302	>	() -> CompletableFuture.failedFuture(null),
3303	>	() -> CompletableFuture.failedStage(null),
3304	>	};
3305
3306	<	/**
3307	<	* thenAcceptAsync result completes exceptionally if action does
1970	<	*/
1971	<	public void testThenAcceptAsync3E() {
1972	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1973	<	FailingConsumer r = new FailingConsumer();
1974	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
1975	<	f.complete(null);
1976	<	checkCompletedWithWrappedCFException(g);
3306	>	assertThrows(NullPointerException.class, throwingActions);
3307	>	assertEquals(0, exec.count.get());
3308		}
3309
3310		/**
3311	<	* thenAcceptAsync result completes exceptionally if source cancelled
3311	>	* toCompletableFuture returns this CompletableFuture.
3312		*/
3313	<	public void testThenAcceptAsync4E() {
3314	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3315	<	IncAction r = new IncAction();
1985	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
1986	<	assertTrue(f.cancel(true));
1987	<	checkCompletedWithWrappedCancellationException(g);
3313	>	public void testToCompletableFuture() {
3314	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3315	>	assertSame(f, f.toCompletableFuture());
3316		}
3317
3318	<	/**
1991	<	* thenCombineAsync result completes normally after normal
1992	<	* completion of sources
1993	<	*/
1994	<	public void testThenCombineAsyncE() {
1995	<	CompletableFuture<Integer> f, g, h;
1996	<	ThreadExecutor e = new ThreadExecutor();
1997	<	int count = 0;
1998	<
1999	<	f = new CompletableFuture<Integer>();
2000	<	g = new CompletableFuture<Integer>();
2001	<	h = f.thenCombineAsync(g, subtract, e);
2002	<	f.complete(3);
2003	<	checkIncomplete(h);
2004	<	g.complete(1);
2005	<	checkCompletedNormally(h, 2);
2006	<	assertEquals(++count, e.count.get());
2007	<
2008	<	f = new CompletableFuture<Integer>();
2009	<	g = new CompletableFuture<Integer>();
2010	<	h = f.thenCombineAsync(g, subtract, e);
2011	<	g.complete(1);
2012	<	checkIncomplete(h);
2013	<	f.complete(3);
2014	<	checkCompletedNormally(h, 2);
2015	<	assertEquals(++count, e.count.get());
2016	<
2017	<	f = new CompletableFuture<Integer>();
2018	<	g = new CompletableFuture<Integer>();
2019	<	g.complete(1);
2020	<	f.complete(3);
2021	<	h = f.thenCombineAsync(g, subtract, e);
2022	<	checkCompletedNormally(h, 2);
2023	<	assertEquals(++count, e.count.get());
2024	<	}
3318	>	// jdk9
3319
3320		/**
3321	<	* thenCombineAsync result completes exceptionally after exceptional
2028	<	* completion of either source
3321	>	* newIncompleteFuture returns an incomplete CompletableFuture
3322		*/
3323	<	public void testThenCombineAsync2E() {
3324	<	CompletableFuture<Integer> f, g, h;
3325	<	ThreadExecutor e = new ThreadExecutor();
3326	<	int count = 0;
3327	<
3328	<	f = new CompletableFuture<Integer>();
2036	<	g = new CompletableFuture<Integer>();
2037	<	h = f.thenCombineAsync(g, subtract, e);
2038	<	f.completeExceptionally(new CFException());
2039	<	checkIncomplete(h);
2040	<	g.complete(1);
2041	<	checkCompletedWithWrappedCFException(h);
2042	<
2043	<	f = new CompletableFuture<Integer>();
2044	<	g = new CompletableFuture<Integer>();
2045	<	h = f.thenCombineAsync(g, subtract, e);
2046	<	g.completeExceptionally(new CFException());
2047	<	checkIncomplete(h);
2048	<	f.complete(3);
2049	<	checkCompletedWithWrappedCFException(h);
2050	<
2051	<	f = new CompletableFuture<Integer>();
2052	<	g = new CompletableFuture<Integer>();
2053	<	g.completeExceptionally(new CFException());
2054	<	h = f.thenCombineAsync(g, subtract, e);
2055	<	checkIncomplete(h);
2056	<	f.complete(3);
2057	<	checkCompletedWithWrappedCFException(h);
2058	<
2059	<	assertEquals(0, e.count.get());
2060	<	}
2061	<
2062	<	/**
2063	<	* thenCombineAsync result completes exceptionally if action does
2064	<	*/
2065	<	public void testThenCombineAsync3E() {
2066	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2067	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2068	<	FailingBiFunction r = new FailingBiFunction();
2069	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2070	<	f.complete(one);
3323	>	public void testNewIncompleteFuture() {
3324	>	for (Integer v1 : new Integer[] { 1, null })
3325	>	{
3326	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3327	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3328	>	checkIncomplete(f);
3329		checkIncomplete(g);
3330	<	assertFalse(r.ran);
3331	<	f2.complete(two);
2074	<	checkCompletedWithWrappedCFException(g);
2075	<	assertTrue(r.ran);
2076	<	}
2077	<
2078	<	/**
2079	<	* thenCombineAsync result completes exceptionally if either source cancelled
2080	<	*/
2081	<	public void testThenCombineAsync4E() {
2082	<	CompletableFuture<Integer> f, g, h;
2083	<	ThreadExecutor e = new ThreadExecutor();
2084	<
2085	<	f = new CompletableFuture<Integer>();
2086	<	g = new CompletableFuture<Integer>();
2087	<	h = f.thenCombineAsync(g, subtract, e);
2088	<	assertTrue(f.cancel(true));
2089	<	checkIncomplete(h);
2090	<	g.complete(1);
2091	<	checkCompletedWithWrappedCancellationException(h);
2092	<
2093	<	f = new CompletableFuture<Integer>();
2094	<	g = new CompletableFuture<Integer>();
2095	<	h = f.thenCombineAsync(g, subtract, e);
2096	<	assertTrue(g.cancel(true));
2097	<	checkIncomplete(h);
2098	<	f.complete(3);
2099	<	checkCompletedWithWrappedCancellationException(h);
2100	<
2101	<	f = new CompletableFuture<Integer>();
2102	<	g = new CompletableFuture<Integer>();
2103	<	assertTrue(g.cancel(true));
2104	<	h = f.thenCombineAsync(g, subtract, e);
2105	<	checkIncomplete(h);
2106	<	f.complete(3);
2107	<	checkCompletedWithWrappedCancellationException(h);
2108	<
2109	<	f = new CompletableFuture<Integer>();
2110	<	g = new CompletableFuture<Integer>();
2111	<	assertTrue(f.cancel(true));
2112	<	assertTrue(g.cancel(true));
2113	<	h = f.thenCombineAsync(g, subtract, e);
2114	<	checkCompletedWithWrappedCancellationException(h);
2115	<
2116	<	assertEquals(0, e.count.get());
2117	<	}
2118	<
2119	<	/**
2120	<	* thenAcceptBothAsync result completes normally after normal
2121	<	* completion of sources
2122	<	*/
2123	<	public void testThenAcceptBothAsyncE() {
2124	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2125	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2126	<	AddAction r = new AddAction();
2127	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
2128	<	f.complete(one);
3330	>	f.complete(v1);
3331	>	checkCompletedNormally(f, v1);
3332		checkIncomplete(g);
3333	<	f2.complete(two);
3334	<	checkCompletedNormally(g, null);
3335	<	assertEquals(r.value, 3);
3336	<	}
3333	>	g.complete(v1);
3334	>	checkCompletedNormally(g, v1);
3335	>	assertSame(g.getClass(), CompletableFuture.class);
3336	>	}}
3337
3338		/**
3339	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2137	<	* completion of source
3339	>	* completedStage returns a completed CompletionStage
3340		*/
3341	<	public void testThenAcceptBothAsync2E() {
3342	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3343	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3344	<	AddAction r = new AddAction();
3345	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
3346	<	f.completeExceptionally(new CFException());
3347	<	f2.complete(two);
2146	<	checkCompletedWithWrappedCFException(g);
2147	<
2148	<	r = new AddAction();
2149	<	f = new CompletableFuture<Integer>();
2150	<	f2 = new CompletableFuture<Integer>();
2151	<	g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
2152	<	f.complete(one);
2153	<	f2.completeExceptionally(new CFException());
2154	<	checkCompletedWithWrappedCFException(g);
3341	>	public void testCompletedStage() {
3342	>	AtomicInteger x = new AtomicInteger(0);
3343	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3344	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3345	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3346	>	assertEquals(x.get(), 1);
3347	>	assertNull(r.get());
3348		}
3349
3350		/**
3351	<	* thenAcceptBothAsync result completes exceptionally if action does
3351	>	* defaultExecutor by default returns the commonPool if
3352	>	* it supports more than one thread.
3353		*/
3354	<	public void testThenAcceptBothAsync3E() {
3355	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3356	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3357	<	FailingBiConsumer r = new FailingBiConsumer();
3358	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
3359	<	f.complete(one);
3360	<	checkIncomplete(g);
3361	<	f2.complete(two);
2168	<	checkCompletedWithWrappedCFException(g);
3354	>	public void testDefaultExecutor() {
3355	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3356	>	Executor e = f.defaultExecutor();
3357	>	Executor c = ForkJoinPool.commonPool();
3358	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3359	>	assertSame(e, c);
3360	>	else
3361	>	assertNotSame(e, c);
3362		}
3363
3364		/**
3365	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
3365	>	* failedFuture returns a CompletableFuture completed
3366	>	* exceptionally with the given Exception
3367		*/
3368	<	public void testThenAcceptBothAsync4E() {
3369	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3370	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3371	<	AddAction r = new AddAction();
2178	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
2179	<	assertTrue(f.cancel(true));
2180	<	f2.complete(two);
2181	<	checkCompletedWithWrappedCancellationException(g);
2182	<
2183	<	r = new AddAction();
2184	<	f = new CompletableFuture<Integer>();
2185	<	f2 = new CompletableFuture<Integer>();
2186	<	g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
2187	<	f.complete(one);
2188	<	assertTrue(f2.cancel(true));
2189	<	checkCompletedWithWrappedCancellationException(g);
3368	>	public void testFailedFuture() {
3369	>	CFException ex = new CFException();
3370	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3371	>	checkCompletedExceptionally(f, ex);
3372		}
3373
3374		/**
3375	<	* runAfterBothAsync result completes normally after normal
2194	<	* completion of sources
3375	>	* failedFuture(null) throws NPE
3376		*/
3377	<	public void testRunAfterBothAsyncE() {
3378	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3379	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3380	<	Noop r = new Noop();
3381	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2201	<	f.complete(one);
2202	<	checkIncomplete(g);
2203	<	f2.complete(two);
2204	<	checkCompletedNormally(g, null);
2205	<	assertTrue(r.ran);
2206	<	}
2207	<
2208	<	/**
2209	<	* runAfterBothAsync result completes exceptionally after exceptional
2210	<	* completion of source
2211	<	*/
2212	<	public void testRunAfterBothAsync2E() {
2213	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2214	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2215	<	Noop r = new Noop();
2216	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2217	<	f.completeExceptionally(new CFException());
2218	<	f2.complete(two);
2219	<	checkCompletedWithWrappedCFException(g);
2220	<
2221	<	r = new Noop();
2222	<	f = new CompletableFuture<Integer>();
2223	<	f2 = new CompletableFuture<Integer>();
2224	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2225	<	f.complete(one);
2226	<	f2.completeExceptionally(new CFException());
2227	<	checkCompletedWithWrappedCFException(g);
3377	>	public void testFailedFuture_null() {
3378	>	try {
3379	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3380	>	shouldThrow();
3381	>	} catch (NullPointerException success) {}
3382		}
3383
3384		/**
3385	<	* runAfterBothAsync result completes exceptionally if action does
3385	>	* copy returns a CompletableFuture that is completed normally,
3386	>	* with the same value, when source is.
3387		*/
3388	<	public void testRunAfterBothAsync3E() {
3389	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3390	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3391	<	FailingNoop r = new FailingNoop();
2237	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2238	<	f.complete(one);
3388	>	public void testCopy() {
3389	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3390	>	CompletableFuture<Integer> g = f.copy();
3391	>	checkIncomplete(f);
3392		checkIncomplete(g);
3393	<	f2.complete(two);
3394	<	checkCompletedWithWrappedCFException(g);
3395	<	}
2243	<
2244	<	/**
2245	<	* runAfterBothAsync result completes exceptionally if either source cancelled
2246	<	*/
2247	<	public void testRunAfterBothAsync4E() {
2248	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2249	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2250	<	Noop r = new Noop();
2251	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2252	<	assertTrue(f.cancel(true));
2253	<	f2.complete(two);
2254	<	checkCompletedWithWrappedCancellationException(g);
2255	<
2256	<	r = new Noop();
2257	<	f = new CompletableFuture<Integer>();
2258	<	f2 = new CompletableFuture<Integer>();
2259	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2260	<	f.complete(one);
2261	<	assertTrue(f2.cancel(true));
2262	<	checkCompletedWithWrappedCancellationException(g);
2263	<	}
2264	<
2265	<	/**
2266	<	* applyToEitherAsync result completes normally after normal
2267	<	* completion of sources
2268	<	*/
2269	<	public void testApplyToEitherAsyncE() {
2270	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2271	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2272	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2273	<	f.complete(one);
2274	<	checkCompletedNormally(g, two);
2275	<
2276	<	f = new CompletableFuture<Integer>();
2277	<	f.complete(one);
2278	<	f2 = new CompletableFuture<Integer>();
2279	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2280	<	checkCompletedNormally(g, two);
2281	<	}
2282	<
2283	<	/**
2284	<	* applyToEitherAsync result completes exceptionally after exceptional
2285	<	* completion of source
2286	<	*/
2287	<	public void testApplyToEitherAsync2E() {
2288	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2289	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2290	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2291	<	f.completeExceptionally(new CFException());
2292	<	checkCompletedWithWrappedCFException(g);
2293	<
2294	<	f = new CompletableFuture<Integer>();
2295	<	f2 = new CompletableFuture<Integer>();
2296	<	f2.completeExceptionally(new CFException());
2297	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2298	<	f.complete(one);
2299	<	checkCompletedWithWrappedCFException(g);
3393	>	f.complete(1);
3394	>	checkCompletedNormally(f, 1);
3395	>	checkCompletedNormally(g, 1);
3396		}
3397
3398		/**
3399	<	* applyToEitherAsync result completes exceptionally if action does
3399	>	* copy returns a CompletableFuture that is completed exceptionally
3400	>	* when source is.
3401		*/
3402	<	public void testApplyToEitherAsync3E() {
3403	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3404	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3405	<	FailingFunction r = new FailingFunction();
3406	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
3407	<	f.complete(one);
3408	<	checkCompletedWithWrappedCFException(g);
3402	>	public void testCopy2() {
3403	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3404	>	CompletableFuture<Integer> g = f.copy();
3405	>	checkIncomplete(f);
3406	>	checkIncomplete(g);
3407	>	CFException ex = new CFException();
3408	>	f.completeExceptionally(ex);
3409	>	checkCompletedExceptionally(f, ex);
3410	>	checkCompletedWithWrappedException(g, ex);
3411		}
3412
3413		/**
3414	<	* applyToEitherAsync result completes exceptionally if either source cancelled
3414	>	* minimalCompletionStage returns a CompletableFuture that is
3415	>	* completed normally, with the same value, when source is.
3416		*/
3417	<	public void testApplyToEitherAsync4E() {
3418	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3419	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3420	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3421	<	assertTrue(f.cancel(true));
3422	<	checkCompletedWithWrappedCancellationException(g);
3423	<
3424	<	f = new CompletableFuture<Integer>();
3425	<	f2 = new CompletableFuture<Integer>();
3426	<	assertTrue(f2.cancel(true));
3427	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2328	<	checkCompletedWithWrappedCancellationException(g);
3417	>	public void testMinimalCompletionStage() {
3418	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3419	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3420	>	AtomicInteger x = new AtomicInteger(0);
3421	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3422	>	checkIncomplete(f);
3423	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3424	>	f.complete(1);
3425	>	checkCompletedNormally(f, 1);
3426	>	assertEquals(x.get(), 1);
3427	>	assertNull(r.get());
3428		}
3429
3430		/**
3431	<	* acceptEitherAsync result completes normally after normal
3432	<	* completion of sources
3431	>	* minimalCompletionStage returns a CompletableFuture that is
3432	>	* completed exceptionally when source is.
3433		*/
3434	<	public void testAcceptEitherAsyncE() {
3435	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3436	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3437	<	IncAction r = new IncAction();
3438	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3439	<	f.complete(one);
3440	<	checkCompletedNormally(g, null);
3441	<	assertEquals(r.value, 2);
3442	<
3443	<	r = new IncAction();
3444	<	f = new CompletableFuture<Integer>();
3445	<	f.complete(one);
2347	<	f2 = new CompletableFuture<Integer>();
2348	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2349	<	checkCompletedNormally(g, null);
2350	<	assertEquals(r.value, 2);
3434	>	public void testMinimalCompletionStage2() {
3435	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3436	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3437	>	AtomicInteger x = new AtomicInteger(0);
3438	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3439	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3440	>	checkIncomplete(f);
3441	>	CFException ex = new CFException();
3442	>	f.completeExceptionally(ex);
3443	>	checkCompletedExceptionally(f, ex);
3444	>	assertEquals(x.get(), 0);
3445	>	assertEquals(r.get().getCause(), ex);
3446		}
3447
3448		/**
3449	<	* acceptEitherAsync result completes exceptionally after exceptional
3450	<	* completion of source
3449	>	* failedStage returns a CompletionStage completed
3450	>	* exceptionally with the given Exception
3451		*/
3452	<	public void testAcceptEitherAsync2E() {
3453	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3454	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3455	<	IncAction r = new IncAction();
3456	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3457	<	f.completeExceptionally(new CFException());
3458	<	checkCompletedWithWrappedCFException(g);
3459	<
2365	<	r = new IncAction();
2366	<	f = new CompletableFuture<Integer>();
2367	<	f2 = new CompletableFuture<Integer>();
2368	<	f2.completeExceptionally(new CFException());
2369	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2370	<	f.complete(one);
2371	<	checkCompletedWithWrappedCFException(g);
3452	>	public void testFailedStage() {
3453	>	CFException ex = new CFException();
3454	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3455	>	AtomicInteger x = new AtomicInteger(0);
3456	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3457	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3458	>	assertEquals(x.get(), 0);
3459	>	assertEquals(r.get(), ex);
3460		}
3461
3462		/**
3463	<	* acceptEitherAsync result completes exceptionally if action does
3463	>	* completeAsync completes with value of given supplier
3464		*/
3465	<	public void testAcceptEitherAsync3E() {
3466	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3467	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3468	<	FailingConsumer r = new FailingConsumer();
3469	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3470	<	f.complete(one);
3471	<	checkCompletedWithWrappedCFException(g);
3472	<	}
3465	>	public void testCompleteAsync() {
3466	>	for (Integer v1 : new Integer[] { 1, null })
3467	>	{
3468	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3469	>	f.completeAsync(() -> v1);
3470	>	f.join();
3471	>	checkCompletedNormally(f, v1);
3472	>	}}
3473
3474		/**
3475	<	* acceptEitherAsync result completes exceptionally if either
2388	<	* source cancelled
3475	>	* completeAsync completes exceptionally if given supplier throws
3476		*/
3477	<	public void testAcceptEitherAsync4E() {
3478	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3479	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3480	<	IncAction r = new IncAction();
3481	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3482	<	assertTrue(f.cancel(true));
3483	<	checkCompletedWithWrappedCancellationException(g);
3484	<
3485	<	r = new IncAction();
2399	<	f = new CompletableFuture<Integer>();
2400	<	f2 = new CompletableFuture<Integer>();
2401	<	assertTrue(f2.cancel(true));
2402	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2403	<	checkCompletedWithWrappedCancellationException(g);
3477	>	public void testCompleteAsync2() {
3478	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3479	>	CFException ex = new CFException();
3480	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3481	>	try {
3482	>	f.join();
3483	>	shouldThrow();
3484	>	} catch (CompletionException success) {}
3485	>	checkCompletedWithWrappedException(f, ex);
3486		}
3487
3488		/**
3489	<	* runAfterEitherAsync result completes normally after normal
2408	<	* completion of sources
3489	>	* completeAsync with given executor completes with value of given supplier
3490		*/
3491	<	public void testRunAfterEitherAsyncE() {
3492	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3493	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3494	<	Noop r = new Noop();
3495	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3496	<	f.complete(one);
3497	<	checkCompletedNormally(g, null);
3498	<	assertTrue(r.ran);
3499	<
3500	<	r = new Noop();
2420	<	f = new CompletableFuture<Integer>();
2421	<	f.complete(one);
2422	<	f2 = new CompletableFuture<Integer>();
2423	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2424	<	checkCompletedNormally(g, null);
2425	<	assertTrue(r.ran);
2426	<	}
3491	>	public void testCompleteAsync3() {
3492	>	for (Integer v1 : new Integer[] { 1, null })
3493	>	{
3494	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3495	>	ThreadExecutor executor = new ThreadExecutor();
3496	>	f.completeAsync(() -> v1, executor);
3497	>	assertSame(v1, f.join());
3498	>	checkCompletedNormally(f, v1);
3499	>	assertEquals(1, executor.count.get());
3500	>	}}
3501
3502		/**
3503	<	* runAfterEitherAsync result completes exceptionally after exceptional
3504	<	* completion of source
3503	>	* completeAsync with given executor completes exceptionally if
3504	>	* given supplier throws
3505		*/
3506	<	public void testRunAfterEitherAsync2E() {
3507	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3508	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3509	<	Noop r = new Noop();
3510	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3511	<	f.completeExceptionally(new CFException());
3512	<	checkCompletedWithWrappedCFException(g);
3506	>	public void testCompleteAsync4() {
3507	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3508	>	CFException ex = new CFException();
3509	>	ThreadExecutor executor = new ThreadExecutor();
3510	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3511	>	try {
3512	>	f.join();
3513	>	shouldThrow();
3514	>	} catch (CompletionException success) {}
3515	>	checkCompletedWithWrappedException(f, ex);
3516	>	assertEquals(1, executor.count.get());
3517	>	}
3518	>
3519	>	/**
3520	>	* orTimeout completes with TimeoutException if not complete
3521	>	*/
3522	>	public void testOrTimeout_timesOut() {
3523	>	long timeoutMillis = timeoutMillis();
3524	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3525	>	long startTime = System.nanoTime();
3526	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3527	>	checkCompletedWithTimeoutException(f);
3528	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3529	>	}
3530	>
3531	>	/**
3532	>	* orTimeout completes normally if completed before timeout
3533	>	*/
3534	>	public void testOrTimeout_completed() {
3535	>	for (Integer v1 : new Integer[] { 1, null })
3536	>	{
3537	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3538	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3539	>	long startTime = System.nanoTime();
3540	>	f.complete(v1);
3541	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3542	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3543	>	g.complete(v1);
3544	>	checkCompletedNormally(f, v1);
3545	>	checkCompletedNormally(g, v1);
3546	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3547	>	}}
3548	>
3549	>	/**
3550	>	* completeOnTimeout completes with given value if not complete
3551	>	*/
3552	>	public void testCompleteOnTimeout_timesOut() {
3553	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3554	>	() -> testCompleteOnTimeout_timesOut(null));
3555	>	}
3556	>
3557	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3558	>	long timeoutMillis = timeoutMillis();
3559	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3560	>	long startTime = System.nanoTime();
3561	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3562	>	assertSame(v, f.join());
3563	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3564	>	f.complete(99);         // should have no effect
3565	>	checkCompletedNormally(f, v);
3566	>	}
3567	>
3568	>	/**
3569	>	* completeOnTimeout has no effect if completed within timeout
3570	>	*/
3571	>	public void testCompleteOnTimeout_completed() {
3572	>	for (Integer v1 : new Integer[] { 1, null })
3573	>	{
3574	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3575	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3576	>	long startTime = System.nanoTime();
3577	>	f.complete(v1);
3578	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3579	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3580	>	g.complete(v1);
3581	>	checkCompletedNormally(f, v1);
3582	>	checkCompletedNormally(g, v1);
3583	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3584	>	}}
3585	>
3586	>	/**
3587	>	* delayedExecutor returns an executor that delays submission
3588	>	*/
3589	>	public void testDelayedExecutor() {
3590	>	testInParallel(() -> testDelayedExecutor(null, null),
3591	>	() -> testDelayedExecutor(null, 1),
3592	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3593	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3594	>	}
3595	>
3596	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3597	>	long timeoutMillis = timeoutMillis();
3598	>	// Use an "unreasonably long" long timeout to catch lingering threads
3599	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3600	>	final Executor delayer, longDelayer;
3601	>	if (executor == null) {
3602	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3603	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3604	>	} else {
3605	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3606	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3607	>	}
3608	>	long startTime = System.nanoTime();
3609	>	CompletableFuture<Integer> f =
3610	>	CompletableFuture.supplyAsync(() -> v, delayer);
3611	>	CompletableFuture<Integer> g =
3612	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3613	>
3614	>	assertNull(g.getNow(null));
3615	>
3616	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3617	>	long millisElapsed = millisElapsedSince(startTime);
3618	>	assertTrue(millisElapsed >= timeoutMillis);
3619	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3620
3621	<	r = new Noop();
2441	<	f = new CompletableFuture<Integer>();
2442	<	f2 = new CompletableFuture<Integer>();
2443	<	f2.completeExceptionally(new CFException());
2444	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2445	<	f.complete(one);
2446	<	checkCompletedWithWrappedCFException(g);
2447	<	}
3621	>	checkCompletedNormally(f, v);
3622
3623	<	/**
3624	<	* runAfterEitherAsync result completes exceptionally if action does
2451	<	*/
2452	<	public void testRunAfterEitherAsync3E() {
2453	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2454	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2455	<	FailingNoop r = new FailingNoop();
2456	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2457	<	f.complete(one);
2458	<	checkCompletedWithWrappedCFException(g);
3623	>	checkIncomplete(g);
3624	>	assertTrue(g.cancel(true));
3625		}
3626
3627	<	/**
2462	<	* runAfterEitherAsync result completes exceptionally if either
2463	<	* source cancelled
2464	<	*/
2465	<	public void testRunAfterEitherAsync4E() {
2466	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2467	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2468	<	Noop r = new Noop();
2469	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2470	<	assertTrue(f.cancel(true));
2471	<	checkCompletedWithWrappedCancellationException(g);
3627	>	//--- tests of implementation details; not part of official tck ---
3628
3629	<	r = new Noop();
3630	<	f = new CompletableFuture<Integer>();
3631	<	f2 = new CompletableFuture<Integer>();
3632	<	assertTrue(f2.cancel(true));
3633	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3634	<	checkCompletedWithWrappedCancellationException(g);
3635	<	}
3629	>	Object resultOf(CompletableFuture<?> f) {
3630	>	try {
3631	>	java.lang.reflect.Field resultField
3632	>	= CompletableFuture.class.getDeclaredField("result");
3633	>	resultField.setAccessible(true);
3634	>	return resultField.get(f);
3635	>	} catch (Throwable t) { throw new AssertionError(t); }
3636	>	}
3637	>
3638	>	public void testExceptionPropagationReusesResultObject() {
3639	>	if (!testImplementationDetails) return;
3640	>	for (ExecutionMode m : ExecutionMode.values())
3641	>	{
3642	>	final CFException ex = new CFException();
3643	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3644	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3645	>
3646	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3647	>	= new ArrayList<>();
3648	>
3649	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3650	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3651	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3652	>
3653	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3654	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3655	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3656	>
3657	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3658	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3659	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3660	>
3661	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3662	>
3663	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3664	>
3665	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3666	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3667	>
3668	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3669	>	fun : funs) {
3670	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3671	>	f.completeExceptionally(ex);
3672	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3673	>	checkCompletedWithWrappedException(src, ex);
3674	>	CompletableFuture<?> dep = fun.apply(src);
3675	>	checkCompletedWithWrappedException(dep, ex);
3676	>	assertSame(resultOf(src), resultOf(dep));
3677	>	}
3678
3679	<	/**
3680	<	* thenComposeAsync result completes normally after normal
3681	<	* completion of source
3682	<	*/
3683	<	public void testThenComposeAsyncE() {
3684	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3685	<	CompletableFutureInc r = new CompletableFutureInc();
3686	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3687	<	f.complete(one);
3688	<	checkCompletedNormally(g, two);
2491	<	}
3679	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3680	>	fun : funs) {
3681	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3682	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3683	>	CompletableFuture<?> dep = fun.apply(src);
3684	>	f.completeExceptionally(ex);
3685	>	checkCompletedWithWrappedException(src, ex);
3686	>	checkCompletedWithWrappedException(dep, ex);
3687	>	assertSame(resultOf(src), resultOf(dep));
3688	>	}
3689
3690	<	/**
3691	<	* thenComposeAsync result completes exceptionally after
3692	<	* exceptional completion of source
3693	<	*/
3694	<	public void testThenComposeAsync2E() {
3695	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3696	<	CompletableFutureInc r = new CompletableFutureInc();
3697	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3698	<	f.completeExceptionally(new CFException());
3699	<	checkCompletedWithWrappedCFException(g);
3700	<	}
3690	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3691	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3692	>	fun : funs) {
3693	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3694	>	f.cancel(mayInterruptIfRunning);
3695	>	checkCancelled(f);
3696	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3697	>	checkCompletedWithWrappedCancellationException(src);
3698	>	CompletableFuture<?> dep = fun.apply(src);
3699	>	checkCompletedWithWrappedCancellationException(dep);
3700	>	assertSame(resultOf(src), resultOf(dep));
3701	>	}
3702
3703	<	/**
3704	<	* thenComposeAsync result completes exceptionally if action does
3705	<	*/
3706	<	public void testThenComposeAsync3E() {
3707	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3708	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3709	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3710	<	f.complete(one);
3711	<	checkCompletedWithWrappedCFException(g);
3712	<	}
3703	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3704	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3705	>	fun : funs) {
3706	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3707	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3708	>	CompletableFuture<?> dep = fun.apply(src);
3709	>	f.cancel(mayInterruptIfRunning);
3710	>	checkCancelled(f);
3711	>	checkCompletedWithWrappedCancellationException(src);
3712	>	checkCompletedWithWrappedCancellationException(dep);
3713	>	assertSame(resultOf(src), resultOf(dep));
3714	>	}
3715	>	}}
3716
3717		/**
3718	<	* thenComposeAsync result completes exceptionally if source cancelled
3718	>	* Minimal completion stages throw UOE for all non-CompletionStage methods
3719		*/
3720	<	public void testThenComposeAsync4E() {
3721	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3722	<	CompletableFutureInc r = new CompletableFutureInc();
3723	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3724	<	assertTrue(f.cancel(true));
3725	<	checkCompletedWithWrappedCancellationException(g);
3720	>	public void testMinimalCompletionStage_minimality() {
3721	>	if (!testImplementationDetails) return;
3722	>	Function<Method, String> toSignature =
3723	>	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3724	>	Predicate<Method> isNotStatic =
3725	>	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3726	>	List<Method> minimalMethods =
3727	>	Stream.of(Object.class, CompletionStage.class)
3728	>	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3729	>	.filter(isNotStatic)
3730	>	.collect(Collectors.toList());
3731	>	// Methods from CompletableFuture permitted NOT to throw UOE
3732	>	String[] signatureWhitelist = {
3733	>	"newIncompleteFuture[]",
3734	>	"defaultExecutor[]",
3735	>	"minimalCompletionStage[]",
3736	>	"copy[]",
3737	>	};
3738	>	Set<String> permittedMethodSignatures =
3739	>	Stream.concat(minimalMethods.stream().map(toSignature),
3740	>	Stream.of(signatureWhitelist))
3741	>	.collect(Collectors.toSet());
3742	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3743	>	.filter(isNotStatic)
3744	>	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3745	>	.collect(Collectors.toList());
3746	>
3747	>	CompletionStage<Integer> minimalStage =
3748	>	new CompletableFuture<Integer>().minimalCompletionStage();
3749	>
3750	>	List<Method> bugs = new ArrayList<>();
3751	>	for (Method method : allMethods) {
3752	>	Class<?>[] parameterTypes = method.getParameterTypes();
3753	>	Object[] args = new Object[parameterTypes.length];
3754	>	// Manufacture boxed primitives for primitive params
3755	>	for (int i = 0; i < args.length; i++) {
3756	>	Class<?> type = parameterTypes[i];
3757	>	if (parameterTypes[i] == boolean.class)
3758	>	args[i] = false;
3759	>	else if (parameterTypes[i] == int.class)
3760	>	args[i] = 0;
3761	>	else if (parameterTypes[i] == long.class)
3762	>	args[i] = 0L;
3763	>	}
3764	>	try {
3765	>	method.invoke(minimalStage, args);
3766	>	bugs.add(method);
3767	>	}
3768	>	catch (java.lang.reflect.InvocationTargetException expected) {
3769	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3770	>	bugs.add(method);
3771	>	// expected.getCause().printStackTrace();
3772	>	}
3773	>	}
3774	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3775	>	}
3776	>	if (!bugs.isEmpty())
3777	>	throw new Error("Methods did not throw UOE: " + bugs.toString());
3778		}
3779
3780	<	// other static methods
3781	<
3782	<	/**
3783	<	* allOf(no component futures) returns a future completed normally
3784	<	* with the value null
3785	<	*/
3786	<	public void testAllOf_empty() throws Exception {
3787	<	CompletableFuture<?> f = CompletableFuture.allOf();
3788	<	checkCompletedNormally(f, null);
3789	<	}
3780	>	static class Monad {
3781	>	static class ZeroException extends RuntimeException {
3782	>	public ZeroException() { super("monadic zero"); }
3783	>	}
3784	>	// "return", "unit"
3785	>	static <T> CompletableFuture<T> unit(T value) {
3786	>	return completedFuture(value);
3787	>	}
3788	>	// monadic zero ?
3789	>	static <T> CompletableFuture<T> zero() {
3790	>	return failedFuture(new ZeroException());
3791	>	}
3792	>	// >=>
3793	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
3794	>	(Function<T, CompletableFuture<U>> f,
3795	>	Function<U, CompletableFuture<V>> g) {
3796	>	return (x) -> f.apply(x).thenCompose(g);
3797	>	}
3798
3799	<	/**
3800	<	* allOf returns a future completed when all components complete
3801	<	*/
3802	<	public void testAllOf() throws Exception {
3803	<	for (int k = 1; k < 20; ++k) {
3804	<	CompletableFuture[] fs = new CompletableFuture[k];
2544	<	for (int i = 0; i < k; ++i)
2545	<	fs[i] = new CompletableFuture<Integer>();
2546	<	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
2547	<	for (int i = 0; i < k; ++i) {
2548	<	checkIncomplete(f);
2549	<	fs[i].complete(one);
3799	>	static void assertZero(CompletableFuture<?> f) {
3800	>	try {
3801	>	f.getNow(null);
3802	>	throw new AssertionFailedError("should throw");
3803	>	} catch (CompletionException success) {
3804	>	assertTrue(success.getCause() instanceof ZeroException);
3805		}
2551	–	checkCompletedNormally(f, null);
3806		}
2553	–	}
3807
3808	<	/**
3809	<	* anyOf(no component futures) returns an incomplete future
3810	<	*/
3811	<	public void testAnyOf_empty() throws Exception {
3812	<	CompletableFuture<?> f = CompletableFuture.anyOf();
3813	<	checkIncomplete(f);
3814	<	}
3808	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
3809	>	CompletableFuture<T> g) {
3810	>	T fval = null, gval = null;
3811	>	Throwable fex = null, gex = null;
3812	>
3813	>	try { fval = f.get(); }
3814	>	catch (ExecutionException ex) { fex = ex.getCause(); }
3815	>	catch (Throwable ex) { fex = ex; }
3816	>
3817	>	try { gval = g.get(); }
3818	>	catch (ExecutionException ex) { gex = ex.getCause(); }
3819	>	catch (Throwable ex) { gex = ex; }
3820	>
3821	>	if (fex != null || gex != null)
3822	>	assertSame(fex.getClass(), gex.getClass());
3823	>	else
3824	>	assertEquals(fval, gval);
3825	>	}
3826
3827	<	/**
3828	<	* anyOf returns a future completed when any components complete
3829	<	*/
3830	<	public void testAnyOf() throws Exception {
3831	<	for (int k = 1; k < 20; ++k) {
3832	<	CompletableFuture[] fs = new CompletableFuture[k];
3833	<	for (int i = 0; i < k; ++i)
3834	<	fs[i] = new CompletableFuture<Integer>();
3835	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3836	<	checkIncomplete(f);
3837	<	for (int i = 0; i < k; ++i) {
3838	<	fs[i].complete(one);
3839	<	checkCompletedNormally(f, one);
3840	<	}
3827	>	static class PlusFuture<T> extends CompletableFuture<T> {
3828	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3829	>	}
3830	>
3831	>	/** Implements "monadic plus". */
3832	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3833	>	CompletableFuture<? extends T> g) {
3834	>	PlusFuture<T> plus = new PlusFuture<T>();
3835	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3836	>	try {
3837	>	if (ex == null) {
3838	>	if (plus.complete(result))
3839	>	if (plus.firstFailure.get() != null)
3840	>	plus.firstFailure.set(null);
3841	>	}
3842	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
3843	>	if (plus.isDone())
3844	>	plus.firstFailure.set(null);
3845	>	}
3846	>	else {
3847	>	// first failure has precedence
3848	>	Throwable first = plus.firstFailure.getAndSet(null);
3849	>
3850	>	// may fail with "Self-suppression not permitted"
3851	>	try { first.addSuppressed(ex); }
3852	>	catch (Exception ignored) {}
3853	>
3854	>	plus.completeExceptionally(first);
3855	>	}
3856	>	} catch (Throwable unexpected) {
3857	>	plus.completeExceptionally(unexpected);
3858	>	}
3859	>	};
3860	>	f.whenComplete(action);
3861	>	g.whenComplete(action);
3862	>	return plus;
3863		}
3864		}
3865
3866		/**
3867	<	* Completion methods throw NullPointerException with null arguments
3867	>	* CompletableFuture is an additive monad - sort of.
3868	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3869		*/
3870	<	public void testNPE() {
3871	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3872	<	CompletableFuture<Integer> g = new CompletableFuture<Integer>();
3873	<	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3874	<	CompletableFuture<?> h;
3875	<	ThreadExecutor exec = new ThreadExecutor();
3876	<
3877	<	Runnable[] throwingActions = {
3878	<	() -> { CompletableFuture.supplyAsync(null); },
3879	<	() -> { CompletableFuture.supplyAsync(null, exec); },
3880	<	() -> { CompletableFuture.supplyAsync(supplyOne, null); },
3881	<
3882	<	() -> { CompletableFuture.runAsync(null); },
3883	<	() -> { CompletableFuture.runAsync(null, exec); },
3884	<	() -> { CompletableFuture.runAsync(() -> {}, null); },
3885	<
3886	<	() -> { f.completeExceptionally(null); },
3887	<
3888	<	() -> { f.thenApply(null); },
3889	<	() -> { f.thenApplyAsync(null); },
3890	<	() -> { f.thenApplyAsync((x) -> x, null); },
3891	<	() -> { f.thenApplyAsync(null, exec); },
3892	<
3893	<	() -> { f.thenAccept(null); },
3894	<	() -> { f.thenAcceptAsync(null); },
3895	<	() -> { f.thenAcceptAsync((x) -> { ; }, null); },
3896	<	() -> { f.thenAcceptAsync(null, exec); },
3897	<
3898	<	() -> { f.thenRun(null); },
3899	<	() -> { f.thenRunAsync(null); },
3900	<	() -> { f.thenRunAsync(() -> { ; }, null); },
3901	<	() -> { f.thenRunAsync(null, exec); },
3902	<
3903	<	() -> { f.thenCombine(g, null); },
3904	<	() -> { f.thenCombineAsync(g, null); },
3905	<	() -> { f.thenCombineAsync(g, null, exec); },
3906	<	() -> { f.thenCombine(nullFuture, (x, y) -> x); },
3907	<	() -> { f.thenCombineAsync(nullFuture, (x, y) -> x); },
3908	<	() -> { f.thenCombineAsync(nullFuture, (x, y) -> x, exec); },
3909	<	() -> { f.thenCombineAsync(g, (x, y) -> x, null); },
3910	<
3911	<	() -> { f.thenAcceptBoth(g, null); },
3912	<	() -> { f.thenAcceptBothAsync(g, null); },
3913	<	() -> { f.thenAcceptBothAsync(g, null, exec); },
3914	<	() -> { f.thenAcceptBoth(nullFuture, (x, y) -> {}); },
3915	<	() -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}); },
2629	<	() -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec); },
2630	<	() -> { f.thenAcceptBothAsync(g, (x, y) -> {}, null); },
2631	<
2632	<	() -> { f.runAfterBoth(g, null); },
2633	<	() -> { f.runAfterBothAsync(g, null); },
2634	<	() -> { f.runAfterBothAsync(g, null, exec); },
2635	<	() -> { f.runAfterBoth(nullFuture, () -> {}); },
2636	<	() -> { f.runAfterBothAsync(nullFuture, () -> {}); },
2637	<	() -> { f.runAfterBothAsync(nullFuture, () -> {}, exec); },
2638	<	() -> { f.runAfterBothAsync(g, () -> {}, null); },
2639	<
2640	<	() -> { f.applyToEither(g, null); },
2641	<	() -> { f.applyToEitherAsync(g, null); },
2642	<	() -> { f.applyToEitherAsync(g, null, exec); },
2643	<	() -> { f.applyToEither(nullFuture, (x) -> x); },
2644	<	() -> { f.applyToEitherAsync(nullFuture, (x) -> x); },
2645	<	() -> { f.applyToEitherAsync(nullFuture, (x) -> x, exec); },
2646	<	() -> { f.applyToEitherAsync(g, (x) -> x, null); },
2647	<
2648	<	() -> { f.acceptEither(g, null); },
2649	<	() -> { f.acceptEitherAsync(g, null); },
2650	<	() -> { f.acceptEitherAsync(g, null, exec); },
2651	<	() -> { f.acceptEither(nullFuture, (x) -> {}); },
2652	<	() -> { f.acceptEitherAsync(nullFuture, (x) -> {}); },
2653	<	() -> { f.acceptEitherAsync(nullFuture, (x) -> {}, exec); },
2654	<	() -> { f.acceptEitherAsync(g, (x) -> {}, null); },
2655	<
2656	<	() -> { f.runAfterEither(g, null); },
2657	<	() -> { f.runAfterEitherAsync(g, null); },
2658	<	() -> { f.runAfterEitherAsync(g, null, exec); },
2659	<	() -> { f.runAfterEither(nullFuture, () -> {}); },
2660	<	() -> { f.runAfterEitherAsync(nullFuture, () -> {}); },
2661	<	() -> { f.runAfterEitherAsync(nullFuture, () -> {}, exec); },
2662	<	() -> { f.runAfterEitherAsync(g, () -> {}, null); },
2663	<
2664	<	() -> { f.thenCompose(null); },
2665	<	() -> { f.thenComposeAsync(null); },
2666	<	() -> { f.thenComposeAsync(new CompletableFutureInc(), null); },
2667	<	() -> { f.thenComposeAsync(null, exec); },
2668	<
2669	<	() -> { f.exceptionally(null); },
2670	<
2671	<	() -> { f.handle(null); },
2672	<
2673	<	() -> { CompletableFuture.allOf((CompletableFuture<?>)null); },
2674	<	() -> { CompletableFuture.allOf((CompletableFuture<?>[])null); },
2675	<	() -> { CompletableFuture.allOf(f, null); },
2676	<	() -> { CompletableFuture.allOf(null, f); },
2677	<
2678	<	() -> { CompletableFuture.anyOf((CompletableFuture<?>)null); },
2679	<	() -> { CompletableFuture.anyOf((CompletableFuture<?>[])null); },
2680	<	() -> { CompletableFuture.anyOf(f, null); },
2681	<	() -> { CompletableFuture.anyOf(null, f); },
2682	<	};
3870	>	public void testAdditiveMonad() throws Throwable {
3871	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3872	>	CompletableFuture<Long> zero = Monad.zero();
3873	>
3874	>	// Some mutually non-commutative functions
3875	>	Function<Long, CompletableFuture<Long>> triple
3876	>	= (x) -> Monad.unit(3 * x);
3877	>	Function<Long, CompletableFuture<Long>> inc
3878	>	= (x) -> Monad.unit(x + 1);
3879	>
3880	>	// unit is a right identity: m >>= unit === m
3881	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3882	>	inc.apply(5L));
3883	>	// unit is a left identity: (unit x) >>= f === f x
3884	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3885	>	inc.apply(5L));
3886	>
3887	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3888	>	Monad.assertFutureEquals(
3889	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3890	>	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3891	>
3892	>	// The case for CompletableFuture as an additive monad is weaker...
3893	>
3894	>	// zero is a monadic zero
3895	>	Monad.assertZero(zero);
3896	>
3897	>	// left zero: zero >>= f === zero
3898	>	Monad.assertZero(zero.thenCompose(inc));
3899	>	// right zero: f >>= (\x -> zero) === zero
3900	>	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3901	>
3902	>	// f plus zero === f
3903	>	Monad.assertFutureEquals(Monad.unit(5L),
3904	>	Monad.plus(Monad.unit(5L), zero));
3905	>	// zero plus f === f
3906	>	Monad.assertFutureEquals(Monad.unit(5L),
3907	>	Monad.plus(zero, Monad.unit(5L)));
3908	>	// zero plus zero === zero
3909	>	Monad.assertZero(Monad.plus(zero, zero));
3910	>	{
3911	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3912	>	Monad.unit(8L));
3913	>	// non-determinism
3914	>	assertTrue(f.get() == 5L || f.get() == 8L);
3915	>	}
3916
3917	<	assertThrows(NullPointerException.class, throwingActions);
3918	<	assertEquals(0, exec.count.get());
3919	<	}
3917	>	CompletableFuture<Long> godot = new CompletableFuture<>();
3918	>	// f plus godot === f (doesn't wait for godot)
3919	>	Monad.assertFutureEquals(Monad.unit(5L),
3920	>	Monad.plus(Monad.unit(5L), godot));
3921	>	// godot plus f === f (doesn't wait for godot)
3922	>	Monad.assertFutureEquals(Monad.unit(5L),
3923	>	Monad.plus(godot, Monad.unit(5L)));
3924	>	}
3925	>
3926	>	//     static <U> U join(CompletionStage<U> stage) {
3927	>	//         CompletableFuture<U> f = new CompletableFuture<>();
3928	>	//         stage.whenComplete((v, ex) -> {
3929	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3930	>	//         });
3931	>	//         return f.join();
3932	>	//     }
3933	>
3934	>	//     static <U> boolean isDone(CompletionStage<U> stage) {
3935	>	//         CompletableFuture<U> f = new CompletableFuture<>();
3936	>	//         stage.whenComplete((v, ex) -> {
3937	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3938	>	//         });
3939	>	//         return f.isDone();
3940	>	//     }
3941	>
3942	>	//     static <U> U join2(CompletionStage<U> stage) {
3943	>	//         return stage.toCompletableFuture().copy().join();
3944	>	//     }
3945	>
3946	>	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3947	>	//         return stage.toCompletableFuture().copy().isDone();
3948	>	//     }
3949
3950		}

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