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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.12 by jsr166, Sun Mar 31 18:16:35 2013 UTC vs.
Revision 1.133 by jsr166, Sun Nov 15 19:39:25 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();
106	<	shouldThrow();
107	<	} catch (CancellationException success) {}
108	<	try {
109	<	f.getNow(null);
110	<	shouldThrow();
111	<	} catch (CancellationException success) {}
112	<	try {
113	<	f.get();
114	<	shouldThrow();
115	<	} catch (CancellationException success) {
116	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
117	<	try {
118	<	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());
123	<	assertTrue(f.isCancelled());
124	<	}
179	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
180
126	–	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
181		try {
182		f.join();
183		shouldThrow();
184	<	} catch (CompletionException success) {
131	<	assertTrue(success.getCause() instanceof CancellationException);
132	<	}
184	>	} catch (CancellationException success) {}
185		try {
186		f.getNow(null);
187		shouldThrow();
188	<	} catch (CompletionException success) {
137	<	assertTrue(success.getCause() instanceof CancellationException);
138	<	}
188	>	} catch (CancellationException success) {}
189		try {
190		f.get();
191		shouldThrow();
192	<	} catch (ExecutionException success) {
143	<	assertTrue(success.getCause() instanceof CancellationException);
144	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
145	<	try {
146	<	f.get(0L, SECONDS);
147	<	shouldThrow();
148	<	} catch (ExecutionException success) {
149	<	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
203		/**
#	Line 157 | 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 166 | 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 188 | 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 219 | 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 263 | 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 279 | Line 361 | public class CompletableFutureTest exten
361		checkCompletedNormally(f, "test");
362		}
363
364	<	static final Supplier<Integer> supplyOne =
365	<	() -> Integer.valueOf(1);
366	<	static final Function<Integer, Integer> inc =
367	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
368	<	static final BiFunction<Integer, Integer, Integer> add =
369	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() + y.intValue());
370	<	static final class IncAction implements Consumer<Integer> {
371	<	int value;
372	<	public void accept(Integer x) { value = x.intValue() + 1; }
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	<	static final class AddAction implements BiConsumer<Integer, Integer> {
376	<	int value;
375	>
376	>	abstract class CheckedIntegerAction extends CheckedAction {
377	>	Integer value;
378	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
379	>	void assertValue(Integer expected) {
380	>	assertInvoked();
381	>	assertEquals(expected, value);
382	>	}
383	>	}
384	>
385	>	class IntegerSupplier extends CheckedAction
386	>	implements Supplier<Integer>
387	>	{
388	>	final Integer value;
389	>	IntegerSupplier(ExecutionMode m, Integer value) {
390	>	super(m);
391	>	this.value = value;
392	>	}
393	>	public Integer get() {
394	>	invoked();
395	>	return value;
396	>	}
397	>	}
398	>
399	>	// A function that handles and produces null values as well.
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 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 implements Function<Integer, CompletableFuture<Integer>> {
535	<	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	+	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	<	new Thread(r).start();
554	>	count.getAndIncrement();
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); }
352	<	}
559	>	static final boolean defaultExecutorIsCommonPool
560	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
561
562	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
563	<	public Integer apply(Integer x, Throwable t) {
564	<	return (t == null) ? two : three;
565	<	}
566	<	}
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	>	public void testExceptionally_exceptionalCompletionActionFailed() {
880	>	for (boolean createIncomplete : new boolean[] { true, false })
881	>	{
882	>	final AtomicInteger a = new AtomicInteger(0);
883	>	final CFException ex1 = new CFException();
884	>	final CFException ex2 = new CFException();
885	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
886	>	if (!createIncomplete) f.completeExceptionally(ex1);
887	>	final CompletableFuture<Integer> g = f.exceptionally
888	>	((Throwable t) -> {
889	>	ExecutionMode.SYNC.checkExecutionMode();
890	>	threadAssertSame(t, ex1);
891	>	a.getAndIncrement();
892	>	throw ex2;
893	>	});
894	>	if (createIncomplete) f.completeExceptionally(ex1);
895	>
896	>	checkCompletedWithWrappedException(g, ex2);
897	>	assertEquals(1, a.get());
898	>	}}
899	>
900	>	/**
901	>	* whenComplete action executes on normal completion, propagating
902	>	* source result.
903	>	*/
904	>	public void testWhenComplete_normalCompletion() {
905	>	for (ExecutionMode m : ExecutionMode.values())
906	>	for (boolean createIncomplete : new boolean[] { true, false })
907	>	for (Integer v1 : new Integer[] { 1, null })
908	>	{
909	>	final AtomicInteger a = new AtomicInteger(0);
910	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
911	>	if (!createIncomplete) assertTrue(f.complete(v1));
912	>	final CompletableFuture<Integer> g = m.whenComplete
913	>	(f,
914	>	(Integer x, Throwable t) -> {
915	>	m.checkExecutionMode();
916	>	threadAssertSame(x, v1);
917	>	threadAssertNull(t);
918	>	a.getAndIncrement();
919	>	});
920	>	if (createIncomplete) assertTrue(f.complete(v1));
921	>
922	>	checkCompletedNormally(g, v1);
923	>	checkCompletedNormally(f, v1);
924	>	assertEquals(1, a.get());
925	>	}}
926	>
927	>	/**
928	>	* whenComplete action executes on exceptional completion, propagating
929	>	* source result.
930	>	*/
931	>	public void testWhenComplete_exceptionalCompletion() {
932	>	for (ExecutionMode m : ExecutionMode.values())
933	>	for (boolean createIncomplete : new boolean[] { true, false })
934	>	{
935	>	final AtomicInteger a = new AtomicInteger(0);
936	>	final CFException ex = new CFException();
937	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
938	>	if (!createIncomplete) f.completeExceptionally(ex);
939	>	final CompletableFuture<Integer> g = m.whenComplete
940	>	(f,
941	>	(Integer x, Throwable t) -> {
942	>	m.checkExecutionMode();
943	>	threadAssertNull(x);
944	>	threadAssertSame(t, ex);
945	>	a.getAndIncrement();
946	>	});
947	>	if (createIncomplete) f.completeExceptionally(ex);
948	>
949	>	checkCompletedWithWrappedException(g, ex);
950	>	checkCompletedExceptionally(f, ex);
951	>	assertEquals(1, a.get());
952	>	}}
953	>
954	>	/**
955	>	* whenComplete action executes on cancelled source, propagating
956	>	* CancellationException.
957	>	*/
958	>	public void testWhenComplete_sourceCancelled() {
959	>	for (ExecutionMode m : ExecutionMode.values())
960	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
961	>	for (boolean createIncomplete : new boolean[] { true, false })
962	>	{
963	>	final AtomicInteger a = new AtomicInteger(0);
964	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
965	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
966	>	final CompletableFuture<Integer> g = m.whenComplete
967	>	(f,
968	>	(Integer x, Throwable t) -> {
969	>	m.checkExecutionMode();
970	>	threadAssertNull(x);
971	>	threadAssertTrue(t instanceof CancellationException);
972	>	a.getAndIncrement();
973	>	});
974	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
975
976	<	f = new CompletableFuture<Integer>();
977	<	r = new ExceptionToInteger();
978	<	g = f.exceptionally(r);
979	<	f.complete(one);
376	<	checkCompletedNormally(g, one);
377	<	}
976	>	checkCompletedWithWrappedCancellationException(g);
977	>	checkCancelled(f);
978	>	assertEquals(1, a.get());
979	>	}}
980
981		/**
982	<	* handle action completes normally with function value on either
983	<	* normal or exceptional completion of source
982	>	* If a whenComplete action throws an exception when triggered by
983	>	* a normal completion, it completes exceptionally
984		*/
985	<	public void testHandle() {
986	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
987	<	IntegerHandler r = new IntegerHandler();
988	<	CompletableFuture<Integer> g = f.handle(r);
989	<	f.completeExceptionally(new CFException());
990	<	checkCompletedNormally(g, three);
985	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
986	>	for (boolean createIncomplete : new boolean[] { true, false })
987	>	for (ExecutionMode m : ExecutionMode.values())
988	>	for (Integer v1 : new Integer[] { 1, null })
989	>	{
990	>	final AtomicInteger a = new AtomicInteger(0);
991	>	final CFException ex = new CFException();
992	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
993	>	if (!createIncomplete) assertTrue(f.complete(v1));
994	>	final CompletableFuture<Integer> g = m.whenComplete
995	>	(f,
996	>	(Integer x, Throwable t) -> {
997	>	m.checkExecutionMode();
998	>	threadAssertSame(x, v1);
999	>	threadAssertNull(t);
1000	>	a.getAndIncrement();
1001	>	throw ex;
1002	>	});
1003	>	if (createIncomplete) assertTrue(f.complete(v1));
1004	>
1005	>	checkCompletedWithWrappedException(g, ex);
1006	>	checkCompletedNormally(f, v1);
1007	>	assertEquals(1, a.get());
1008	>	}}
1009	>
1010	>	/**
1011	>	* If a whenComplete action throws an exception when triggered by
1012	>	* a source completion that also throws an exception, the source
1013	>	* exception takes precedence.
1014	>	*/
1015	>	public void testWhenComplete_actionFailedSourceFailed() {
1016	>	for (boolean createIncomplete : new boolean[] { true, false })
1017	>	for (ExecutionMode m : ExecutionMode.values())
1018	>	{
1019	>	final AtomicInteger a = new AtomicInteger(0);
1020	>	final CFException ex1 = new CFException();
1021	>	final CFException ex2 = new CFException();
1022	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1023	>
1024	>	if (!createIncomplete) f.completeExceptionally(ex1);
1025	>	final CompletableFuture<Integer> g = m.whenComplete
1026	>	(f,
1027	>	(Integer x, Throwable t) -> {
1028	>	m.checkExecutionMode();
1029	>	threadAssertSame(t, ex1);
1030	>	threadAssertNull(x);
1031	>	a.getAndIncrement();
1032	>	throw ex2;
1033	>	});
1034	>	if (createIncomplete) f.completeExceptionally(ex1);
1035	>
1036	>	checkCompletedWithWrappedException(g, ex1);
1037	>	checkCompletedExceptionally(f, ex1);
1038	>	assertEquals(1, a.get());
1039	>	}}
1040	>
1041	>	/**
1042	>	* handle action completes normally with function value on normal
1043	>	* completion of source
1044	>	*/
1045	>	public void testHandle_normalCompletion() {
1046	>	for (ExecutionMode m : ExecutionMode.values())
1047	>	for (boolean createIncomplete : new boolean[] { true, false })
1048	>	for (Integer v1 : new Integer[] { 1, null })
1049	>	{
1050	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1051	>	final AtomicInteger a = new AtomicInteger(0);
1052	>	if (!createIncomplete) assertTrue(f.complete(v1));
1053	>	final CompletableFuture<Integer> g = m.handle
1054	>	(f,
1055	>	(Integer x, Throwable t) -> {
1056	>	m.checkExecutionMode();
1057	>	threadAssertSame(x, v1);
1058	>	threadAssertNull(t);
1059	>	a.getAndIncrement();
1060	>	return inc(v1);
1061	>	});
1062	>	if (createIncomplete) assertTrue(f.complete(v1));
1063	>
1064	>	checkCompletedNormally(g, inc(v1));
1065	>	checkCompletedNormally(f, v1);
1066	>	assertEquals(1, a.get());
1067	>	}}
1068
1069	<	f = new CompletableFuture<Integer>();
1070	<	r = new IntegerHandler();
1071	<	g = f.handle(r);
1072	<	f.complete(one);
1073	<	checkCompletedNormally(g, two);
1074	<	}
1069	>	/**
1070	>	* handle action completes normally with function value on
1071	>	* exceptional completion of source
1072	>	*/
1073	>	public void testHandle_exceptionalCompletion() {
1074	>	for (ExecutionMode m : ExecutionMode.values())
1075	>	for (boolean createIncomplete : new boolean[] { true, false })
1076	>	for (Integer v1 : new Integer[] { 1, null })
1077	>	{
1078	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1079	>	final AtomicInteger a = new AtomicInteger(0);
1080	>	final CFException ex = new CFException();
1081	>	if (!createIncomplete) f.completeExceptionally(ex);
1082	>	final CompletableFuture<Integer> g = m.handle
1083	>	(f,
1084	>	(Integer x, Throwable t) -> {
1085	>	m.checkExecutionMode();
1086	>	threadAssertNull(x);
1087	>	threadAssertSame(t, ex);
1088	>	a.getAndIncrement();
1089	>	return v1;
1090	>	});
1091	>	if (createIncomplete) f.completeExceptionally(ex);
1092	>
1093	>	checkCompletedNormally(g, v1);
1094	>	checkCompletedExceptionally(f, ex);
1095	>	assertEquals(1, a.get());
1096	>	}}
1097	>
1098	>	/**
1099	>	* handle action completes normally with function value on
1100	>	* cancelled source
1101	>	*/
1102	>	public void testHandle_sourceCancelled() {
1103	>	for (ExecutionMode m : ExecutionMode.values())
1104	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1105	>	for (boolean createIncomplete : new boolean[] { true, false })
1106	>	for (Integer v1 : new Integer[] { 1, null })
1107	>	{
1108	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1109	>	final AtomicInteger a = new AtomicInteger(0);
1110	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1111	>	final CompletableFuture<Integer> g = m.handle
1112	>	(f,
1113	>	(Integer x, Throwable t) -> {
1114	>	m.checkExecutionMode();
1115	>	threadAssertNull(x);
1116	>	threadAssertTrue(t instanceof CancellationException);
1117	>	a.getAndIncrement();
1118	>	return v1;
1119	>	});
1120	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1121	>
1122	>	checkCompletedNormally(g, v1);
1123	>	checkCancelled(f);
1124	>	assertEquals(1, a.get());
1125	>	}}
1126
1127		/**
1128	<	* runAsync completes after running Runnable
1128	>	* handle result completes exceptionally if action does
1129		*/
1130	<	public void testRunAsync() {
1131	<	Noop r = new Noop();
1132	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1133	<	assertNull(f.join());
1134	<	assertTrue(r.ran);
1135	<	}
1130	>	public void testHandle_sourceFailedActionFailed() {
1131	>	for (ExecutionMode m : ExecutionMode.values())
1132	>	for (boolean createIncomplete : new boolean[] { true, false })
1133	>	{
1134	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1135	>	final AtomicInteger a = new AtomicInteger(0);
1136	>	final CFException ex1 = new CFException();
1137	>	final CFException ex2 = new CFException();
1138	>	if (!createIncomplete) f.completeExceptionally(ex1);
1139	>	final CompletableFuture<Integer> g = m.handle
1140	>	(f,
1141	>	(Integer x, Throwable t) -> {
1142	>	m.checkExecutionMode();
1143	>	threadAssertNull(x);
1144	>	threadAssertSame(ex1, t);
1145	>	a.getAndIncrement();
1146	>	throw ex2;
1147	>	});
1148	>	if (createIncomplete) f.completeExceptionally(ex1);
1149	>
1150	>	checkCompletedWithWrappedException(g, ex2);
1151	>	checkCompletedExceptionally(f, ex1);
1152	>	assertEquals(1, a.get());
1153	>	}}
1154	>
1155	>	/**
1156	>	* If a "handle action" throws an exception when triggered by
1157	>	* a normal completion, it completes exceptionally
1158	>	*/
1159	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1160	>	for (ExecutionMode m : ExecutionMode.values())
1161	>	for (boolean createIncomplete : new boolean[] { true, false })
1162	>	for (Integer v1 : new Integer[] { 1, null })
1163	>	{
1164	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1165	>	final AtomicInteger a = new AtomicInteger(0);
1166	>	final CFException ex = new CFException();
1167	>	if (!createIncomplete) assertTrue(f.complete(v1));
1168	>	final CompletableFuture<Integer> g = m.handle
1169	>	(f,
1170	>	(Integer x, Throwable t) -> {
1171	>	m.checkExecutionMode();
1172	>	threadAssertSame(x, v1);
1173	>	threadAssertNull(t);
1174	>	a.getAndIncrement();
1175	>	throw ex;
1176	>	});
1177	>	if (createIncomplete) assertTrue(f.complete(v1));
1178	>
1179	>	checkCompletedWithWrappedException(g, ex);
1180	>	checkCompletedNormally(f, v1);
1181	>	assertEquals(1, a.get());
1182	>	}}
1183
1184		/**
1185	<	* runAsync with executor completes after running Runnable
1185	>	* runAsync completes after running Runnable
1186		*/
1187	<	public void testRunAsync2() {
1188	<	Noop r = new Noop();
1189	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, new ThreadExecutor());
1187	>	public void testRunAsync_normalCompletion() {
1188	>	ExecutionMode[] executionModes = {
1189	>	ExecutionMode.ASYNC,
1190	>	ExecutionMode.EXECUTOR,
1191	>	};
1192	>	for (ExecutionMode m : executionModes)
1193	>	{
1194	>	final Noop r = new Noop(m);
1195	>	final CompletableFuture<Void> f = m.runAsync(r);
1196		assertNull(f.join());
1197	<	assertTrue(r.ran);
1198	<	}
1197	>	checkCompletedNormally(f, null);
1198	>	r.assertInvoked();
1199	>	}}
1200
1201		/**
1202		* failing runAsync completes exceptionally after running Runnable
1203		*/
1204	<	public void testRunAsync3() {
1205	<	FailingNoop r = new FailingNoop();
1206	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1204	>	public void testRunAsync_exceptionalCompletion() {
1205	>	ExecutionMode[] executionModes = {
1206	>	ExecutionMode.ASYNC,
1207	>	ExecutionMode.EXECUTOR,
1208	>	};
1209	>	for (ExecutionMode m : executionModes)
1210	>	{
1211	>	final FailingRunnable r = new FailingRunnable(m);
1212	>	final CompletableFuture<Void> f = m.runAsync(r);
1213		checkCompletedWithWrappedCFException(f);
1214	<	assertTrue(r.ran);
1215	<	}
1214	>	r.assertInvoked();
1215	>	}}
1216
1217		/**
1218		* supplyAsync completes with result of supplier
1219		*/
1220	<	public void testSupplyAsync() {
1221	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(supplyOne);
1222	<	assertEquals(f.join(), one);
1223	<	}
1224	<
1225	<	/**
1226	<	* supplyAsync with executor completes with result of supplier
1227	<	*/
1228	<	public void testSupplyAsync2() {
1229	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1230	<	assertEquals(f.join(), one);
1231	<	}
1220	>	public void testSupplyAsync_normalCompletion() {
1221	>	ExecutionMode[] executionModes = {
1222	>	ExecutionMode.ASYNC,
1223	>	ExecutionMode.EXECUTOR,
1224	>	};
1225	>	for (ExecutionMode m : executionModes)
1226	>	for (Integer v1 : new Integer[] { 1, null })
1227	>	{
1228	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1229	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1230	>	assertSame(v1, f.join());
1231	>	checkCompletedNormally(f, v1);
1232	>	r.assertInvoked();
1233	>	}}
1234
1235		/**
1236		* Failing supplyAsync completes exceptionally
1237		*/
1238	<	public void testSupplyAsync3() {
1239	<	FailingSupplier r = new FailingSupplier();
1240	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1238	>	public void testSupplyAsync_exceptionalCompletion() {
1239	>	ExecutionMode[] executionModes = {
1240	>	ExecutionMode.ASYNC,
1241	>	ExecutionMode.EXECUTOR,
1242	>	};
1243	>	for (ExecutionMode m : executionModes)
1244	>	{
1245	>	FailingSupplier r = new FailingSupplier(m);
1246	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1247		checkCompletedWithWrappedCFException(f);
1248	<	assertTrue(r.ran);
1249	<	}
1248	>	r.assertInvoked();
1249	>	}}
1250
1251		// seq completion methods
1252
1253		/**
1254		* thenRun result completes normally after normal completion of source
1255		*/
1256	<	public void testThenRun() {
1257	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1258	<	Noop r = new Noop();
1259	<	CompletableFuture<Void> g = f.thenRun(r);
1260	<	f.complete(null);
1261	<	checkCompletedNormally(g, null);
1262	<	// reordered version
1263	<	f = new CompletableFuture<Integer>();
1264	<	f.complete(null);
1265	<	r = new Noop();
1266	<	g = f.thenRun(r);
1267	<	checkCompletedNormally(g, null);
1268	<	}
1256	>	public void testThenRun_normalCompletion() {
1257	>	for (ExecutionMode m : ExecutionMode.values())
1258	>	for (Integer v1 : new Integer[] { 1, null })
1259	>	{
1260	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1261	>	final Noop[] rs = new Noop[6];
1262	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1263	>
1264	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1265	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1266	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1267	>	checkIncomplete(h0);
1268	>	checkIncomplete(h1);
1269	>	checkIncomplete(h2);
1270	>	assertTrue(f.complete(v1));
1271	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1272	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1273	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1274	>
1275	>	checkCompletedNormally(h0, null);
1276	>	checkCompletedNormally(h1, null);
1277	>	checkCompletedNormally(h2, null);
1278	>	checkCompletedNormally(h3, null);
1279	>	checkCompletedNormally(h4, null);
1280	>	checkCompletedNormally(h5, null);
1281	>	checkCompletedNormally(f, v1);
1282	>	for (Noop r : rs) r.assertInvoked();
1283	>	}}
1284
1285		/**
1286		* thenRun result completes exceptionally after exceptional
1287		* completion of source
1288		*/
1289	<	public void testThenRun2() {
1290	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1291	<	Noop r = new Noop();
1292	<	CompletableFuture<Void> g = f.thenRun(r);
1293	<	f.completeExceptionally(new CFException());
1294	<	checkCompletedWithWrappedCFException(g);
1295	<	}
1289	>	public void testThenRun_exceptionalCompletion() {
1290	>	for (ExecutionMode m : ExecutionMode.values())
1291	>	{
1292	>	final CFException ex = new CFException();
1293	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1294	>	final Noop[] rs = new Noop[6];
1295	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1296	>
1297	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1298	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1299	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1300	>	checkIncomplete(h0);
1301	>	checkIncomplete(h1);
1302	>	checkIncomplete(h2);
1303	>	assertTrue(f.completeExceptionally(ex));
1304	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1305	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1306	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1307	>
1308	>	checkCompletedWithWrappedException(h0, ex);
1309	>	checkCompletedWithWrappedException(h1, ex);
1310	>	checkCompletedWithWrappedException(h2, ex);
1311	>	checkCompletedWithWrappedException(h3, ex);
1312	>	checkCompletedWithWrappedException(h4, ex);
1313	>	checkCompletedWithWrappedException(h5, ex);
1314	>	checkCompletedExceptionally(f, ex);
1315	>	for (Noop r : rs) r.assertNotInvoked();
1316	>	}}
1317
1318		/**
1319	<	* thenRun result completes exceptionally if action does
1319	>	* thenRun result completes exceptionally if source cancelled
1320		*/
1321	<	public void testThenRun3() {
1322	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1323	<	FailingNoop r = new FailingNoop();
1324	<	CompletableFuture<Void> g = f.thenRun(r);
1325	<	f.complete(null);
1326	<	checkCompletedWithWrappedCFException(g);
1327	<	}
1321	>	public void testThenRun_sourceCancelled() {
1322	>	for (ExecutionMode m : ExecutionMode.values())
1323	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1324	>	{
1325	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1326	>	final Noop[] rs = new Noop[6];
1327	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1328	>
1329	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1330	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1331	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1332	>	checkIncomplete(h0);
1333	>	checkIncomplete(h1);
1334	>	checkIncomplete(h2);
1335	>	assertTrue(f.cancel(mayInterruptIfRunning));
1336	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1337	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1338	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1339	>
1340	>	checkCompletedWithWrappedCancellationException(h0);
1341	>	checkCompletedWithWrappedCancellationException(h1);
1342	>	checkCompletedWithWrappedCancellationException(h2);
1343	>	checkCompletedWithWrappedCancellationException(h3);
1344	>	checkCompletedWithWrappedCancellationException(h4);
1345	>	checkCompletedWithWrappedCancellationException(h5);
1346	>	checkCancelled(f);
1347	>	for (Noop r : rs) r.assertNotInvoked();
1348	>	}}
1349
1350		/**
1351	<	* thenRun result completes exceptionally if source cancelled
1351	>	* thenRun result completes exceptionally if action does
1352		*/
1353	<	public void testThenRun4() {
1354	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1355	<	Noop r = new Noop();
1356	<	CompletableFuture<Void> g = f.thenRun(r);
1357	<	assertTrue(f.cancel(true));
1358	<	checkCompletedWithWrappedCancellationException(g);
1359	<	}
1353	>	public void testThenRun_actionFailed() {
1354	>	for (ExecutionMode m : ExecutionMode.values())
1355	>	for (Integer v1 : new Integer[] { 1, null })
1356	>	{
1357	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1358	>	final FailingRunnable[] rs = new FailingRunnable[6];
1359	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1360	>
1361	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1362	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1363	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1364	>	assertTrue(f.complete(v1));
1365	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1366	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1367	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1368	>
1369	>	checkCompletedWithWrappedCFException(h0);
1370	>	checkCompletedWithWrappedCFException(h1);
1371	>	checkCompletedWithWrappedCFException(h2);
1372	>	checkCompletedWithWrappedCFException(h3);
1373	>	checkCompletedWithWrappedCFException(h4);
1374	>	checkCompletedWithWrappedCFException(h5);
1375	>	checkCompletedNormally(f, v1);
1376	>	}}
1377
1378		/**
1379		* thenApply result completes normally after normal completion of source
1380		*/
1381	<	public void testThenApply() {
1382	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1383	<	CompletableFuture<Integer> g = f.thenApply(inc);
1384	<	f.complete(one);
1385	<	checkCompletedNormally(g, two);
1386	<	}
1381	>	public void testThenApply_normalCompletion() {
1382	>	for (ExecutionMode m : ExecutionMode.values())
1383	>	for (Integer v1 : new Integer[] { 1, null })
1384	>	{
1385	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1386	>	final IncFunction[] rs = new IncFunction[4];
1387	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1388	>
1389	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1390	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1391	>	checkIncomplete(h0);
1392	>	checkIncomplete(h1);
1393	>	assertTrue(f.complete(v1));
1394	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1395	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1396	>
1397	>	checkCompletedNormally(h0, inc(v1));
1398	>	checkCompletedNormally(h1, inc(v1));
1399	>	checkCompletedNormally(h2, inc(v1));
1400	>	checkCompletedNormally(h3, inc(v1));
1401	>	checkCompletedNormally(f, v1);
1402	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1403	>	}}
1404
1405		/**
1406		* thenApply result completes exceptionally after exceptional
1407		* completion of source
1408		*/
1409	<	public void testThenApply2() {
1410	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1411	<	CompletableFuture<Integer> g = f.thenApply(inc);
1412	<	f.completeExceptionally(new CFException());
1413	<	checkCompletedWithWrappedCFException(g);
1414	<	}
1409	>	public void testThenApply_exceptionalCompletion() {
1410	>	for (ExecutionMode m : ExecutionMode.values())
1411	>	{
1412	>	final CFException ex = new CFException();
1413	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1414	>	final IncFunction[] rs = new IncFunction[4];
1415	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1416	>
1417	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1418	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1419	>	assertTrue(f.completeExceptionally(ex));
1420	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1421	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1422	>
1423	>	checkCompletedWithWrappedException(h0, ex);
1424	>	checkCompletedWithWrappedException(h1, ex);
1425	>	checkCompletedWithWrappedException(h2, ex);
1426	>	checkCompletedWithWrappedException(h3, ex);
1427	>	checkCompletedExceptionally(f, ex);
1428	>	for (IncFunction r : rs) r.assertNotInvoked();
1429	>	}}
1430
1431		/**
1432	<	* thenApply result completes exceptionally if action does
1432	>	* thenApply result completes exceptionally if source cancelled
1433		*/
1434	<	public void testThenApply3() {
1435	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1436	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1437	<	f.complete(one);
1438	<	checkCompletedWithWrappedCFException(g);
1439	<	}
1434	>	public void testThenApply_sourceCancelled() {
1435	>	for (ExecutionMode m : ExecutionMode.values())
1436	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1437	>	{
1438	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1439	>	final IncFunction[] rs = new IncFunction[4];
1440	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1441	>
1442	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1443	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1444	>	assertTrue(f.cancel(mayInterruptIfRunning));
1445	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1446	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1447	>
1448	>	checkCompletedWithWrappedCancellationException(h0);
1449	>	checkCompletedWithWrappedCancellationException(h1);
1450	>	checkCompletedWithWrappedCancellationException(h2);
1451	>	checkCompletedWithWrappedCancellationException(h3);
1452	>	checkCancelled(f);
1453	>	for (IncFunction r : rs) r.assertNotInvoked();
1454	>	}}
1455
1456		/**
1457	<	* thenApply result completes exceptionally if source cancelled
1457	>	* thenApply result completes exceptionally if action does
1458		*/
1459	<	public void testThenApply4() {
1460	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1461	<	CompletableFuture<Integer> g = f.thenApply(inc);
1462	<	assertTrue(f.cancel(true));
1463	<	checkCompletedWithWrappedCancellationException(g);
1464	<	}
1459	>	public void testThenApply_actionFailed() {
1460	>	for (ExecutionMode m : ExecutionMode.values())
1461	>	for (Integer v1 : new Integer[] { 1, null })
1462	>	{
1463	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1464	>	final FailingFunction[] rs = new FailingFunction[4];
1465	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1466	>
1467	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1468	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1469	>	assertTrue(f.complete(v1));
1470	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1471	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1472	>
1473	>	checkCompletedWithWrappedCFException(h0);
1474	>	checkCompletedWithWrappedCFException(h1);
1475	>	checkCompletedWithWrappedCFException(h2);
1476	>	checkCompletedWithWrappedCFException(h3);
1477	>	checkCompletedNormally(f, v1);
1478	>	}}
1479
1480		/**
1481		* thenAccept result completes normally after normal completion of source
1482		*/
1483	<	public void testThenAccept() {
1484	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1485	<	IncAction r = new IncAction();
1486	<	CompletableFuture<Void> g = f.thenAccept(r);
1487	<	f.complete(one);
1488	<	checkCompletedNormally(g, null);
1489	<	assertEquals(r.value, 2);
1490	<	}
1483	>	public void testThenAccept_normalCompletion() {
1484	>	for (ExecutionMode m : ExecutionMode.values())
1485	>	for (Integer v1 : new Integer[] { 1, null })
1486	>	{
1487	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1488	>	final NoopConsumer[] rs = new NoopConsumer[4];
1489	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1490	>
1491	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1492	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1493	>	checkIncomplete(h0);
1494	>	checkIncomplete(h1);
1495	>	assertTrue(f.complete(v1));
1496	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1497	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1498	>
1499	>	checkCompletedNormally(h0, null);
1500	>	checkCompletedNormally(h1, null);
1501	>	checkCompletedNormally(h2, null);
1502	>	checkCompletedNormally(h3, null);
1503	>	checkCompletedNormally(f, v1);
1504	>	for (NoopConsumer r : rs) r.assertValue(v1);
1505	>	}}
1506
1507		/**
1508		* thenAccept result completes exceptionally after exceptional
1509		* completion of source
1510		*/
1511	<	public void testThenAccept2() {
1512	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1513	<	IncAction r = new IncAction();
1514	<	CompletableFuture<Void> g = f.thenAccept(r);
1515	<	f.completeExceptionally(new CFException());
1516	<	checkCompletedWithWrappedCFException(g);
1517	<	}
1518	<
1519	<	/**
1520	<	* thenAccept result completes exceptionally if action does
1521	<	*/
1522	<	public void testThenAccept3() {
1523	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1524	<	FailingConsumer r = new FailingConsumer();
1525	<	CompletableFuture<Void> g = f.thenAccept(r);
1526	<	f.complete(one);
1527	<	checkCompletedWithWrappedCFException(g);
1528	<	assertTrue(r.ran);
1529	<	}
1511	>	public void testThenAccept_exceptionalCompletion() {
1512	>	for (ExecutionMode m : ExecutionMode.values())
1513	>	{
1514	>	final CFException ex = new CFException();
1515	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1516	>	final NoopConsumer[] rs = new NoopConsumer[4];
1517	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1518	>
1519	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1520	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1521	>	assertTrue(f.completeExceptionally(ex));
1522	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1523	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1524	>
1525	>	checkCompletedWithWrappedException(h0, ex);
1526	>	checkCompletedWithWrappedException(h1, ex);
1527	>	checkCompletedWithWrappedException(h2, ex);
1528	>	checkCompletedWithWrappedException(h3, ex);
1529	>	checkCompletedExceptionally(f, ex);
1530	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1531	>	}}
1532
1533		/**
1534		* thenAccept result completes exceptionally if source cancelled
1535		*/
1536	<	public void testThenAccept4() {
1537	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1538	<	IncAction r = new IncAction();
1539	<	CompletableFuture<Void> g = f.thenAccept(r);
1540	<	assertTrue(f.cancel(true));
1541	<	checkCompletedWithWrappedCancellationException(g);
1542	<	}
1543	<
1536	>	public void testThenAccept_sourceCancelled() {
1537	>	for (ExecutionMode m : ExecutionMode.values())
1538	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1539	>	{
1540	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1541	>	final NoopConsumer[] rs = new NoopConsumer[4];
1542	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1543	>
1544	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1545	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1546	>	assertTrue(f.cancel(mayInterruptIfRunning));
1547	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1548	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1549	>
1550	>	checkCompletedWithWrappedCancellationException(h0);
1551	>	checkCompletedWithWrappedCancellationException(h1);
1552	>	checkCompletedWithWrappedCancellationException(h2);
1553	>	checkCompletedWithWrappedCancellationException(h3);
1554	>	checkCancelled(f);
1555	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1556	>	}}
1557
1558		/**
1559	<	* thenCombine result completes normally after normal completion of sources
1559	>	* thenAccept result completes exceptionally if action does
1560		*/
1561	<	public void testThenCombine() {
1562	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1563	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1564	<	CompletableFuture<Integer> g = f.thenCombine(f2, add);
1565	<	f.complete(one);
1566	<	checkIncomplete(g);
1567	<	f2.complete(two);
1568	<	checkCompletedNormally(g, three);
1569	<
1570	<	f = new CompletableFuture<Integer>();
1571	<	f.complete(one);
1572	<	f2 = new CompletableFuture<Integer>();
1573	<	g = f.thenCombine(f2, add);
1574	<	checkIncomplete(g);
1575	<	f2.complete(two);
1576	<	checkCompletedNormally(g, three);
1577	<	}
1561	>	public void testThenAccept_actionFailed() {
1562	>	for (ExecutionMode m : ExecutionMode.values())
1563	>	for (Integer v1 : new Integer[] { 1, null })
1564	>	{
1565	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1566	>	final FailingConsumer[] rs = new FailingConsumer[4];
1567	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1568	>
1569	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1570	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1571	>	assertTrue(f.complete(v1));
1572	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1573	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1574	>
1575	>	checkCompletedWithWrappedCFException(h0);
1576	>	checkCompletedWithWrappedCFException(h1);
1577	>	checkCompletedWithWrappedCFException(h2);
1578	>	checkCompletedWithWrappedCFException(h3);
1579	>	checkCompletedNormally(f, v1);
1580	>	}}
1581	>
1582	>	/**
1583	>	* thenCombine result completes normally after normal completion
1584	>	* of sources
1585	>	*/
1586	>	public void testThenCombine_normalCompletion() {
1587	>	for (ExecutionMode m : ExecutionMode.values())
1588	>	for (boolean fFirst : new boolean[] { true, false })
1589	>	for (Integer v1 : new Integer[] { 1, null })
1590	>	for (Integer v2 : new Integer[] { 2, null })
1591	>	{
1592	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1593	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1594	>	final SubtractFunction[] rs = new SubtractFunction[6];
1595	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1596	>
1597	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1598	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1599	>	final Integer w1 =  fFirst ? v1 : v2;
1600	>	final Integer w2 = !fFirst ? v1 : v2;
1601	>
1602	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1603	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1604	>	assertTrue(fst.complete(w1));
1605	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1606	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1607	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1608	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1609	>	checkCompletedNormally(h1, subtract(w1, w1));
1610	>	checkCompletedNormally(h3, subtract(w1, w1));
1611	>	rs[1].assertValue(subtract(w1, w1));
1612	>	rs[3].assertValue(subtract(w1, w1));
1613	>	assertTrue(snd.complete(w2));
1614	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1615	>
1616	>	checkCompletedNormally(h0, subtract(v1, v2));
1617	>	checkCompletedNormally(h2, subtract(v1, v2));
1618	>	checkCompletedNormally(h4, subtract(v1, v2));
1619	>	rs[0].assertValue(subtract(v1, v2));
1620	>	rs[2].assertValue(subtract(v1, v2));
1621	>	rs[4].assertValue(subtract(v1, v2));
1622	>
1623	>	checkCompletedNormally(f, v1);
1624	>	checkCompletedNormally(g, v2);
1625	>	}}
1626
1627		/**
1628		* thenCombine result completes exceptionally after exceptional
1629		* completion of either source
1630		*/
1631	<	public void testThenCombine2() {
1632	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1633	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1634	<	CompletableFuture<Integer> g = f.thenCombine(f2, add);
1635	<	f.completeExceptionally(new CFException());
1636	<	f2.complete(two);
1637	<	checkCompletedWithWrappedCFException(g);
1638	<
1639	<	f = new CompletableFuture<Integer>();
1640	<	f.complete(one);
1641	<	f2 = new CompletableFuture<Integer>();
1642	<	g = f.thenCombine(f2, add);
1643	<	f2.completeExceptionally(new CFException());
1644	<	checkCompletedWithWrappedCFException(g);
1645	<	}
1631	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1632	>	for (ExecutionMode m : ExecutionMode.values())
1633	>	for (boolean fFirst : new boolean[] { true, false })
1634	>	for (boolean failFirst : new boolean[] { true, false })
1635	>	for (Integer v1 : new Integer[] { 1, null })
1636	>	{
1637	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1638	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1639	>	final CFException ex = new CFException();
1640	>	final SubtractFunction r1 = new SubtractFunction(m);
1641	>	final SubtractFunction r2 = new SubtractFunction(m);
1642	>	final SubtractFunction r3 = new SubtractFunction(m);
1643	>
1644	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1645	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1646	>	final Callable<Boolean> complete1 = failFirst ?
1647	>	() -> fst.completeExceptionally(ex) :
1648	>	() -> fst.complete(v1);
1649	>	final Callable<Boolean> complete2 = failFirst ?
1650	>	() -> snd.complete(v1) :
1651	>	() -> snd.completeExceptionally(ex);
1652	>
1653	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1654	>	assertTrue(complete1.call());
1655	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1656	>	checkIncomplete(h1);
1657	>	checkIncomplete(h2);
1658	>	assertTrue(complete2.call());
1659	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1660	>
1661	>	checkCompletedWithWrappedException(h1, ex);
1662	>	checkCompletedWithWrappedException(h2, ex);
1663	>	checkCompletedWithWrappedException(h3, ex);
1664	>	r1.assertNotInvoked();
1665	>	r2.assertNotInvoked();
1666	>	r3.assertNotInvoked();
1667	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1668	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1669	>	}}
1670
1671		/**
1672	<	* thenCombine result completes exceptionally if action does
1672	>	* thenCombine result completes exceptionally if either source cancelled
1673		*/
1674	<	public void testThenCombine3() {
1675	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1676	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1677	<	FailingBiFunction r = new FailingBiFunction();
1678	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
1679	<	f.complete(one);
1680	<	checkIncomplete(g);
1681	<	f2.complete(two);
1682	<	checkCompletedWithWrappedCFException(g);
1683	<	}
1674	>	public void testThenCombine_sourceCancelled() throws Throwable {
1675	>	for (ExecutionMode m : ExecutionMode.values())
1676	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1677	>	for (boolean fFirst : new boolean[] { true, false })
1678	>	for (boolean failFirst : new boolean[] { true, false })
1679	>	for (Integer v1 : new Integer[] { 1, null })
1680	>	{
1681	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1682	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1683	>	final SubtractFunction r1 = new SubtractFunction(m);
1684	>	final SubtractFunction r2 = new SubtractFunction(m);
1685	>	final SubtractFunction r3 = new SubtractFunction(m);
1686	>
1687	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1688	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1689	>	final Callable<Boolean> complete1 = failFirst ?
1690	>	() -> fst.cancel(mayInterruptIfRunning) :
1691	>	() -> fst.complete(v1);
1692	>	final Callable<Boolean> complete2 = failFirst ?
1693	>	() -> snd.complete(v1) :
1694	>	() -> snd.cancel(mayInterruptIfRunning);
1695	>
1696	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1697	>	assertTrue(complete1.call());
1698	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1699	>	checkIncomplete(h1);
1700	>	checkIncomplete(h2);
1701	>	assertTrue(complete2.call());
1702	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1703	>
1704	>	checkCompletedWithWrappedCancellationException(h1);
1705	>	checkCompletedWithWrappedCancellationException(h2);
1706	>	checkCompletedWithWrappedCancellationException(h3);
1707	>	r1.assertNotInvoked();
1708	>	r2.assertNotInvoked();
1709	>	r3.assertNotInvoked();
1710	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1711	>	checkCancelled(failFirst ? fst : snd);
1712	>	}}
1713
1714		/**
1715	<	* thenCombine result completes exceptionally if either source cancelled
1715	>	* thenCombine result completes exceptionally if action does
1716		*/
1717	<	public void testThenCombine4() {
1718	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1719	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1720	<	CompletableFuture<Integer> g = f.thenCombine(f2, add);
1721	<	assertTrue(f.cancel(true));
1722	<	f2.complete(two);
1723	<	checkCompletedWithWrappedCancellationException(g);
1724	<	f = new CompletableFuture<Integer>();
1725	<	f2 = new CompletableFuture<Integer>();
1726	<	g = f.thenCombine(f2, add);
1727	<	f.complete(one);
1728	<	assertTrue(f2.cancel(true));
1729	<	checkCompletedWithWrappedCancellationException(g);
1730	<	}
1717	>	public void testThenCombine_actionFailed() {
1718	>	for (ExecutionMode m : ExecutionMode.values())
1719	>	for (boolean fFirst : new boolean[] { true, false })
1720	>	for (Integer v1 : new Integer[] { 1, null })
1721	>	for (Integer v2 : new Integer[] { 2, null })
1722	>	{
1723	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1724	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1725	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1726	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1727	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1728	>
1729	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1730	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1731	>	final Integer w1 =  fFirst ? v1 : v2;
1732	>	final Integer w2 = !fFirst ? v1 : v2;
1733	>
1734	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1735	>	assertTrue(fst.complete(w1));
1736	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1737	>	assertTrue(snd.complete(w2));
1738	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1739	>
1740	>	checkCompletedWithWrappedCFException(h1);
1741	>	checkCompletedWithWrappedCFException(h2);
1742	>	checkCompletedWithWrappedCFException(h3);
1743	>	r1.assertInvoked();
1744	>	r2.assertInvoked();
1745	>	r3.assertInvoked();
1746	>	checkCompletedNormally(f, v1);
1747	>	checkCompletedNormally(g, v2);
1748	>	}}
1749
1750		/**
1751		* thenAcceptBoth result completes normally after normal
1752		* completion of sources
1753		*/
1754	<	public void testThenAcceptBoth() {
1755	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1756	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1757	<	AddAction r = new AddAction();
1758	<	CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1759	<	f.complete(one);
1760	<	checkIncomplete(g);
1761	<	f2.complete(two);
1762	<	checkCompletedNormally(g, null);
1763	<	assertEquals(r.value, 3);
1764	<
1765	<	r = new AddAction();
1766	<	f = new CompletableFuture<Integer>();
1767	<	f.complete(one);
1768	<	f2 = new CompletableFuture<Integer>();
1769	<	g = f.thenAcceptBoth(f2, r);
1770	<	checkIncomplete(g);
1771	<	f2.complete(two);
1772	<	checkCompletedNormally(g, null);
1773	<	assertEquals(r.value, 3);
1774	<	}
1754	>	public void testThenAcceptBoth_normalCompletion() {
1755	>	for (ExecutionMode m : ExecutionMode.values())
1756	>	for (boolean fFirst : new boolean[] { true, false })
1757	>	for (Integer v1 : new Integer[] { 1, null })
1758	>	for (Integer v2 : new Integer[] { 2, null })
1759	>	{
1760	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1761	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1762	>	final SubtractAction r1 = new SubtractAction(m);
1763	>	final SubtractAction r2 = new SubtractAction(m);
1764	>	final SubtractAction r3 = new SubtractAction(m);
1765	>
1766	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1767	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1768	>	final Integer w1 =  fFirst ? v1 : v2;
1769	>	final Integer w2 = !fFirst ? v1 : v2;
1770	>
1771	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1772	>	assertTrue(fst.complete(w1));
1773	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1774	>	checkIncomplete(h1);
1775	>	checkIncomplete(h2);
1776	>	r1.assertNotInvoked();
1777	>	r2.assertNotInvoked();
1778	>	assertTrue(snd.complete(w2));
1779	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1780	>
1781	>	checkCompletedNormally(h1, null);
1782	>	checkCompletedNormally(h2, null);
1783	>	checkCompletedNormally(h3, null);
1784	>	r1.assertValue(subtract(v1, v2));
1785	>	r2.assertValue(subtract(v1, v2));
1786	>	r3.assertValue(subtract(v1, v2));
1787	>	checkCompletedNormally(f, v1);
1788	>	checkCompletedNormally(g, v2);
1789	>	}}
1790
1791		/**
1792		* thenAcceptBoth result completes exceptionally after exceptional
1793		* completion of either source
1794		*/
1795	<	public void testThenAcceptBoth2() {
1796	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1797	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1798	<	AddAction r = new AddAction();
1799	<	CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1800	<	f.completeExceptionally(new CFException());
1801	<	f2.complete(two);
1802	<	checkCompletedWithWrappedCFException(g);
1803	<
1804	<	r = new AddAction();
1805	<	f = new CompletableFuture<Integer>();
1806	<	f.complete(one);
1807	<	f2 = new CompletableFuture<Integer>();
1808	<	g = f.thenAcceptBoth(f2, r);
1809	<	f2.completeExceptionally(new CFException());
1810	<	checkCompletedWithWrappedCFException(g);
1811	<	}
1795	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1796	>	for (ExecutionMode m : ExecutionMode.values())
1797	>	for (boolean fFirst : new boolean[] { true, false })
1798	>	for (boolean failFirst : new boolean[] { true, false })
1799	>	for (Integer v1 : new Integer[] { 1, null })
1800	>	{
1801	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1802	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1803	>	final CFException ex = new CFException();
1804	>	final SubtractAction r1 = new SubtractAction(m);
1805	>	final SubtractAction r2 = new SubtractAction(m);
1806	>	final SubtractAction r3 = new SubtractAction(m);
1807	>
1808	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1809	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1810	>	final Callable<Boolean> complete1 = failFirst ?
1811	>	() -> fst.completeExceptionally(ex) :
1812	>	() -> fst.complete(v1);
1813	>	final Callable<Boolean> complete2 = failFirst ?
1814	>	() -> snd.complete(v1) :
1815	>	() -> snd.completeExceptionally(ex);
1816	>
1817	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1818	>	assertTrue(complete1.call());
1819	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1820	>	checkIncomplete(h1);
1821	>	checkIncomplete(h2);
1822	>	assertTrue(complete2.call());
1823	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1824	>
1825	>	checkCompletedWithWrappedException(h1, ex);
1826	>	checkCompletedWithWrappedException(h2, ex);
1827	>	checkCompletedWithWrappedException(h3, ex);
1828	>	r1.assertNotInvoked();
1829	>	r2.assertNotInvoked();
1830	>	r3.assertNotInvoked();
1831	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1832	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1833	>	}}
1834
1835		/**
1836	<	* thenAcceptBoth result completes exceptionally if action does
1836	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1837		*/
1838	<	public void testThenAcceptBoth3() {
1839	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1840	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1841	<	FailingBiConsumer r = new FailingBiConsumer();
1842	<	CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1843	<	f.complete(one);
1844	<	checkIncomplete(g);
1845	<	f2.complete(two);
1846	<	checkCompletedWithWrappedCFException(g);
1847	<	}
1838	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1839	>	for (ExecutionMode m : ExecutionMode.values())
1840	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1841	>	for (boolean fFirst : new boolean[] { true, false })
1842	>	for (boolean failFirst : new boolean[] { true, false })
1843	>	for (Integer v1 : new Integer[] { 1, null })
1844	>	{
1845	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1846	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1847	>	final SubtractAction r1 = new SubtractAction(m);
1848	>	final SubtractAction r2 = new SubtractAction(m);
1849	>	final SubtractAction r3 = new SubtractAction(m);
1850	>
1851	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1852	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1853	>	final Callable<Boolean> complete1 = failFirst ?
1854	>	() -> fst.cancel(mayInterruptIfRunning) :
1855	>	() -> fst.complete(v1);
1856	>	final Callable<Boolean> complete2 = failFirst ?
1857	>	() -> snd.complete(v1) :
1858	>	() -> snd.cancel(mayInterruptIfRunning);
1859	>
1860	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1861	>	assertTrue(complete1.call());
1862	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1863	>	checkIncomplete(h1);
1864	>	checkIncomplete(h2);
1865	>	assertTrue(complete2.call());
1866	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1867	>
1868	>	checkCompletedWithWrappedCancellationException(h1);
1869	>	checkCompletedWithWrappedCancellationException(h2);
1870	>	checkCompletedWithWrappedCancellationException(h3);
1871	>	r1.assertNotInvoked();
1872	>	r2.assertNotInvoked();
1873	>	r3.assertNotInvoked();
1874	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1875	>	checkCancelled(failFirst ? fst : snd);
1876	>	}}
1877
1878		/**
1879	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1879	>	* thenAcceptBoth result completes exceptionally if action does
1880		*/
1881	<	public void testThenAcceptBoth4() {
1882	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1883	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1884	<	AddAction r = new AddAction();
1885	<	CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1886	<	assertTrue(f.cancel(true));
1887	<	f2.complete(two);
1888	<	checkCompletedWithWrappedCancellationException(g);
1889	<	f = new CompletableFuture<Integer>();
1890	<	f2 = new CompletableFuture<Integer>();
1891	<	r = new AddAction();
1892	<	g = f.thenAcceptBoth(f2, r);
1893	<	f.complete(one);
1894	<	assertTrue(f2.cancel(true));
1895	<	checkCompletedWithWrappedCancellationException(g);
1896	<	}
1881	>	public void testThenAcceptBoth_actionFailed() {
1882	>	for (ExecutionMode m : ExecutionMode.values())
1883	>	for (boolean fFirst : new boolean[] { true, false })
1884	>	for (Integer v1 : new Integer[] { 1, null })
1885	>	for (Integer v2 : new Integer[] { 2, null })
1886	>	{
1887	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1888	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1889	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1890	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1891	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1892	>
1893	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1894	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1895	>	final Integer w1 =  fFirst ? v1 : v2;
1896	>	final Integer w2 = !fFirst ? v1 : v2;
1897	>
1898	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1899	>	assertTrue(fst.complete(w1));
1900	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1901	>	assertTrue(snd.complete(w2));
1902	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1903	>
1904	>	checkCompletedWithWrappedCFException(h1);
1905	>	checkCompletedWithWrappedCFException(h2);
1906	>	checkCompletedWithWrappedCFException(h3);
1907	>	r1.assertInvoked();
1908	>	r2.assertInvoked();
1909	>	r3.assertInvoked();
1910	>	checkCompletedNormally(f, v1);
1911	>	checkCompletedNormally(g, v2);
1912	>	}}
1913
1914		/**
1915		* runAfterBoth result completes normally after normal
1916		* completion of sources
1917		*/
1918	<	public void testRunAfterBoth() {
1919	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1920	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1921	<	Noop r = new Noop();
1922	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1923	<	f.complete(one);
1924	<	checkIncomplete(g);
1925	<	f2.complete(two);
1926	<	checkCompletedNormally(g, null);
1927	<	assertTrue(r.ran);
1928	<
1929	<	r = new Noop();
1930	<	f = new CompletableFuture<Integer>();
1931	<	f.complete(one);
1932	<	f2 = new CompletableFuture<Integer>();
1933	<	g = f.runAfterBoth(f2, r);
1934	<	checkIncomplete(g);
1935	<	f2.complete(two);
1936	<	checkCompletedNormally(g, null);
1937	<	assertTrue(r.ran);
1938	<	}
1918	>	public void testRunAfterBoth_normalCompletion() {
1919	>	for (ExecutionMode m : ExecutionMode.values())
1920	>	for (boolean fFirst : new boolean[] { true, false })
1921	>	for (Integer v1 : new Integer[] { 1, null })
1922	>	for (Integer v2 : new Integer[] { 2, null })
1923	>	{
1924	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1925	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1926	>	final Noop r1 = new Noop(m);
1927	>	final Noop r2 = new Noop(m);
1928	>	final Noop r3 = new Noop(m);
1929	>
1930	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1931	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1932	>	final Integer w1 =  fFirst ? v1 : v2;
1933	>	final Integer w2 = !fFirst ? v1 : v2;
1934	>
1935	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1936	>	assertTrue(fst.complete(w1));
1937	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1938	>	checkIncomplete(h1);
1939	>	checkIncomplete(h2);
1940	>	r1.assertNotInvoked();
1941	>	r2.assertNotInvoked();
1942	>	assertTrue(snd.complete(w2));
1943	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1944	>
1945	>	checkCompletedNormally(h1, null);
1946	>	checkCompletedNormally(h2, null);
1947	>	checkCompletedNormally(h3, null);
1948	>	r1.assertInvoked();
1949	>	r2.assertInvoked();
1950	>	r3.assertInvoked();
1951	>	checkCompletedNormally(f, v1);
1952	>	checkCompletedNormally(g, v2);
1953	>	}}
1954
1955		/**
1956		* runAfterBoth result completes exceptionally after exceptional
1957		* completion of either source
1958		*/
1959	<	public void testRunAfterBoth2() {
1960	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1961	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1962	<	Noop r = new Noop();
1963	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1964	<	f.completeExceptionally(new CFException());
1965	<	f2.complete(two);
1966	<	checkCompletedWithWrappedCFException(g);
1967	<
1968	<	r = new Noop();
1969	<	f = new CompletableFuture<Integer>();
1970	<	f.complete(one);
1971	<	f2 = new CompletableFuture<Integer>();
1972	<	g = f.runAfterBoth(f2, r);
1973	<	f2.completeExceptionally(new CFException());
1974	<	checkCompletedWithWrappedCFException(g);
1975	<	}
1959	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1960	>	for (ExecutionMode m : ExecutionMode.values())
1961	>	for (boolean fFirst : new boolean[] { true, false })
1962	>	for (boolean failFirst : new boolean[] { true, false })
1963	>	for (Integer v1 : new Integer[] { 1, null })
1964	>	{
1965	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1966	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1967	>	final CFException ex = new CFException();
1968	>	final Noop r1 = new Noop(m);
1969	>	final Noop r2 = new Noop(m);
1970	>	final Noop r3 = new Noop(m);
1971	>
1972	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1973	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1974	>	final Callable<Boolean> complete1 = failFirst ?
1975	>	() -> fst.completeExceptionally(ex) :
1976	>	() -> fst.complete(v1);
1977	>	final Callable<Boolean> complete2 = failFirst ?
1978	>	() -> snd.complete(v1) :
1979	>	() -> snd.completeExceptionally(ex);
1980	>
1981	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1982	>	assertTrue(complete1.call());
1983	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1984	>	checkIncomplete(h1);
1985	>	checkIncomplete(h2);
1986	>	assertTrue(complete2.call());
1987	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1988	>
1989	>	checkCompletedWithWrappedException(h1, ex);
1990	>	checkCompletedWithWrappedException(h2, ex);
1991	>	checkCompletedWithWrappedException(h3, ex);
1992	>	r1.assertNotInvoked();
1993	>	r2.assertNotInvoked();
1994	>	r3.assertNotInvoked();
1995	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1996	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1997	>	}}
1998
1999		/**
2000	<	* runAfterBoth result completes exceptionally if action does
2000	>	* runAfterBoth result completes exceptionally if either source cancelled
2001		*/
2002	<	public void testRunAfterBoth3() {
2003	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2004	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2005	<	FailingNoop r = new FailingNoop();
2006	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2007	<	f.complete(one);
2008	<	checkIncomplete(g);
2009	<	f2.complete(two);
2010	<	checkCompletedWithWrappedCFException(g);
2011	<	}
2002	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2003	>	for (ExecutionMode m : ExecutionMode.values())
2004	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2005	>	for (boolean fFirst : new boolean[] { true, false })
2006	>	for (boolean failFirst : new boolean[] { true, false })
2007	>	for (Integer v1 : new Integer[] { 1, null })
2008	>	{
2009	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2010	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2011	>	final Noop r1 = new Noop(m);
2012	>	final Noop r2 = new Noop(m);
2013	>	final Noop r3 = new Noop(m);
2014	>
2015	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2016	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2017	>	final Callable<Boolean> complete1 = failFirst ?
2018	>	() -> fst.cancel(mayInterruptIfRunning) :
2019	>	() -> fst.complete(v1);
2020	>	final Callable<Boolean> complete2 = failFirst ?
2021	>	() -> snd.complete(v1) :
2022	>	() -> snd.cancel(mayInterruptIfRunning);
2023	>
2024	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2025	>	assertTrue(complete1.call());
2026	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2027	>	checkIncomplete(h1);
2028	>	checkIncomplete(h2);
2029	>	assertTrue(complete2.call());
2030	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2031	>
2032	>	checkCompletedWithWrappedCancellationException(h1);
2033	>	checkCompletedWithWrappedCancellationException(h2);
2034	>	checkCompletedWithWrappedCancellationException(h3);
2035	>	r1.assertNotInvoked();
2036	>	r2.assertNotInvoked();
2037	>	r3.assertNotInvoked();
2038	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2039	>	checkCancelled(failFirst ? fst : snd);
2040	>	}}
2041
2042		/**
2043	<	* runAfterBoth result completes exceptionally if either source cancelled
2043	>	* runAfterBoth result completes exceptionally if action does
2044		*/
2045	<	public void testRunAfterBoth4() {
2046	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2047	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2048	<	Noop r = new Noop();
2049	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2050	<	assertTrue(f.cancel(true));
2051	<	f2.complete(two);
2052	<	checkCompletedWithWrappedCancellationException(g);
2053	<	f = new CompletableFuture<Integer>();
2054	<	f2 = new CompletableFuture<Integer>();
2055	<	r = new Noop();
2056	<	g = f.runAfterBoth(f2, r);
2057	<	f.complete(one);
2058	<	assertTrue(f2.cancel(true));
2059	<	checkCompletedWithWrappedCancellationException(g);
2060	<	}
2045	>	public void testRunAfterBoth_actionFailed() {
2046	>	for (ExecutionMode m : ExecutionMode.values())
2047	>	for (boolean fFirst : new boolean[] { true, false })
2048	>	for (Integer v1 : new Integer[] { 1, null })
2049	>	for (Integer v2 : new Integer[] { 2, null })
2050	>	{
2051	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2052	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2053	>	final FailingRunnable r1 = new FailingRunnable(m);
2054	>	final FailingRunnable r2 = new FailingRunnable(m);
2055	>	final FailingRunnable r3 = new FailingRunnable(m);
2056	>
2057	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2058	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2059	>	final Integer w1 =  fFirst ? v1 : v2;
2060	>	final Integer w2 = !fFirst ? v1 : v2;
2061	>
2062	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2063	>	assertTrue(fst.complete(w1));
2064	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2065	>	assertTrue(snd.complete(w2));
2066	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2067	>
2068	>	checkCompletedWithWrappedCFException(h1);
2069	>	checkCompletedWithWrappedCFException(h2);
2070	>	checkCompletedWithWrappedCFException(h3);
2071	>	r1.assertInvoked();
2072	>	r2.assertInvoked();
2073	>	r3.assertInvoked();
2074	>	checkCompletedNormally(f, v1);
2075	>	checkCompletedNormally(g, v2);
2076	>	}}
2077
2078		/**
2079		* applyToEither result completes normally after normal completion
2080		* of either source
2081		*/
2082	<	public void testApplyToEither() {
2083	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2084	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2085	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2086	<	f.complete(one);
2087	<	checkCompletedNormally(g, two);
2088	<	f2.complete(one);
2089	<	checkCompletedNormally(g, two);
2090	<
2091	<	f = new CompletableFuture<Integer>();
2092	<	f.complete(one);
2093	<	f2 = new CompletableFuture<Integer>();
2094	<	g = f.applyToEither(f2, inc);
2095	<	checkCompletedNormally(g, two);
2096	<	}
2082	>	public void testApplyToEither_normalCompletion() {
2083	>	for (ExecutionMode m : ExecutionMode.values())
2084	>	for (Integer v1 : new Integer[] { 1, null })
2085	>	for (Integer v2 : new Integer[] { 2, null })
2086	>	{
2087	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2088	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2089	>	final IncFunction[] rs = new IncFunction[6];
2090	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2091	>
2092	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2093	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2094	>	checkIncomplete(h0);
2095	>	checkIncomplete(h1);
2096	>	rs[0].assertNotInvoked();
2097	>	rs[1].assertNotInvoked();
2098	>	f.complete(v1);
2099	>	checkCompletedNormally(h0, inc(v1));
2100	>	checkCompletedNormally(h1, inc(v1));
2101	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2102	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2103	>	checkCompletedNormally(h2, inc(v1));
2104	>	checkCompletedNormally(h3, inc(v1));
2105	>	g.complete(v2);
2106	>
2107	>	// unspecified behavior - both source completions available
2108	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2109	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2110	>	rs[4].assertValue(h4.join());
2111	>	rs[5].assertValue(h5.join());
2112	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2113	>	Objects.equals(inc(v2), h4.join()));
2114	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2115	>	Objects.equals(inc(v2), h5.join()));
2116	>
2117	>	checkCompletedNormally(f, v1);
2118	>	checkCompletedNormally(g, v2);
2119	>	checkCompletedNormally(h0, inc(v1));
2120	>	checkCompletedNormally(h1, inc(v1));
2121	>	checkCompletedNormally(h2, inc(v1));
2122	>	checkCompletedNormally(h3, inc(v1));
2123	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2124	>	}}
2125
2126		/**
2127		* applyToEither result completes exceptionally after exceptional
2128		* completion of either source
2129		*/
2130	<	public void testApplyToEither2() {
2131	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2132	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2133	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2134	<	f.completeExceptionally(new CFException());
2135	<	f2.complete(one);
2136	<	checkCompletedWithWrappedCFException(g);
2130	>	public void testApplyToEither_exceptionalCompletion() {
2131	>	for (ExecutionMode m : ExecutionMode.values())
2132	>	for (Integer v1 : new Integer[] { 1, null })
2133	>	{
2134	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2135	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2136	>	final CFException ex = new CFException();
2137	>	final IncFunction[] rs = new IncFunction[6];
2138	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2139	>
2140	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2141	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2142	>	checkIncomplete(h0);
2143	>	checkIncomplete(h1);
2144	>	rs[0].assertNotInvoked();
2145	>	rs[1].assertNotInvoked();
2146	>	f.completeExceptionally(ex);
2147	>	checkCompletedWithWrappedException(h0, ex);
2148	>	checkCompletedWithWrappedException(h1, ex);
2149	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2150	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2151	>	checkCompletedWithWrappedException(h2, ex);
2152	>	checkCompletedWithWrappedException(h3, ex);
2153	>	g.complete(v1);
2154	>
2155	>	// unspecified behavior - both source completions available
2156	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2157	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2158	>	try {
2159	>	assertEquals(inc(v1), h4.join());
2160	>	rs[4].assertValue(inc(v1));
2161	>	} catch (CompletionException ok) {
2162	>	checkCompletedWithWrappedException(h4, ex);
2163	>	rs[4].assertNotInvoked();
2164	>	}
2165	>	try {
2166	>	assertEquals(inc(v1), h5.join());
2167	>	rs[5].assertValue(inc(v1));
2168	>	} catch (CompletionException ok) {
2169	>	checkCompletedWithWrappedException(h5, ex);
2170	>	rs[5].assertNotInvoked();
2171	>	}
2172
2173	<	f = new CompletableFuture<Integer>();
2174	<	f2 = new CompletableFuture<Integer>();
2175	<	f2.completeExceptionally(new CFException());
2176	<	g = f.applyToEither(f2, inc);
2177	<	checkCompletedWithWrappedCFException(g);
2178	<	}
2173	>	checkCompletedExceptionally(f, ex);
2174	>	checkCompletedNormally(g, v1);
2175	>	checkCompletedWithWrappedException(h0, ex);
2176	>	checkCompletedWithWrappedException(h1, ex);
2177	>	checkCompletedWithWrappedException(h2, ex);
2178	>	checkCompletedWithWrappedException(h3, ex);
2179	>	checkCompletedWithWrappedException(h4, ex);
2180	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2181	>	}}
2182	>
2183	>	public void testApplyToEither_exceptionalCompletion2() {
2184	>	for (ExecutionMode m : ExecutionMode.values())
2185	>	for (boolean fFirst : new boolean[] { true, false })
2186	>	for (Integer v1 : new Integer[] { 1, null })
2187	>	{
2188	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2189	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2190	>	final CFException ex = new CFException();
2191	>	final IncFunction[] rs = new IncFunction[6];
2192	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2193	>
2194	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2195	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2196	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2197	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2198	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2199	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2200
2201	<	/**
2202	<	* applyToEither result completes exceptionally if action does
2203	<	*/
2204	<	public void testApplyToEither3() {
2205	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2206	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2207	<	FailingFunction r = new FailingFunction();
2208	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
2209	<	f2.complete(two);
2210	<	checkCompletedWithWrappedCFException(g);
2211	<	}
2201	>	// unspecified behavior - both source completions available
2202	>	try {
2203	>	assertEquals(inc(v1), h0.join());
2204	>	rs[0].assertValue(inc(v1));
2205	>	} catch (CompletionException ok) {
2206	>	checkCompletedWithWrappedException(h0, ex);
2207	>	rs[0].assertNotInvoked();
2208	>	}
2209	>	try {
2210	>	assertEquals(inc(v1), h1.join());
2211	>	rs[1].assertValue(inc(v1));
2212	>	} catch (CompletionException ok) {
2213	>	checkCompletedWithWrappedException(h1, ex);
2214	>	rs[1].assertNotInvoked();
2215	>	}
2216	>	try {
2217	>	assertEquals(inc(v1), h2.join());
2218	>	rs[2].assertValue(inc(v1));
2219	>	} catch (CompletionException ok) {
2220	>	checkCompletedWithWrappedException(h2, ex);
2221	>	rs[2].assertNotInvoked();
2222	>	}
2223	>	try {
2224	>	assertEquals(inc(v1), h3.join());
2225	>	rs[3].assertValue(inc(v1));
2226	>	} catch (CompletionException ok) {
2227	>	checkCompletedWithWrappedException(h3, ex);
2228	>	rs[3].assertNotInvoked();
2229	>	}
2230
2231	<	/**
2232	<	* applyToEither result completes exceptionally if either source cancelled
2233	<	*/
886	<	public void testApplyToEither4() {
887	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
888	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
889	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
890	<	assertTrue(f.cancel(true));
891	<	checkCompletedWithWrappedCancellationException(g);
892	<	f = new CompletableFuture<Integer>();
893	<	f2 = new CompletableFuture<Integer>();
894	<	assertTrue(f2.cancel(true));
895	<	checkCompletedWithWrappedCancellationException(g);
896	<	}
2231	>	checkCompletedNormally(f, v1);
2232	>	checkCompletedExceptionally(g, ex);
2233	>	}}
2234
2235		/**
2236	<	* acceptEither result completes normally after normal completion
900	<	* of either source
2236	>	* applyToEither result completes exceptionally if either source cancelled
2237		*/
2238	<	public void testAcceptEither() {
2239	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2240	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2241	<	IncAction r = new IncAction();
2242	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2243	<	f.complete(one);
2244	<	checkCompletedNormally(g, null);
2245	<	f2.complete(one);
2246	<	checkCompletedNormally(g, null);
2247	<	assertEquals(r.value, 2);
2248	<
2249	<	r = new IncAction();
2250	<	f = new CompletableFuture<Integer>();
2251	<	f.complete(one);
2252	<	f2 = new CompletableFuture<Integer>();
2253	<	g = f.acceptEither(f2, r);
2254	<	checkCompletedNormally(g, null);
2255	<	assertEquals(r.value, 2);
2256	<	}
2238	>	public void testApplyToEither_sourceCancelled() {
2239	>	for (ExecutionMode m : ExecutionMode.values())
2240	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2241	>	for (Integer v1 : new Integer[] { 1, null })
2242	>	{
2243	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2244	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2245	>	final IncFunction[] rs = new IncFunction[6];
2246	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2247	>
2248	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2249	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2250	>	checkIncomplete(h0);
2251	>	checkIncomplete(h1);
2252	>	rs[0].assertNotInvoked();
2253	>	rs[1].assertNotInvoked();
2254	>	f.cancel(mayInterruptIfRunning);
2255	>	checkCompletedWithWrappedCancellationException(h0);
2256	>	checkCompletedWithWrappedCancellationException(h1);
2257	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2258	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2259	>	checkCompletedWithWrappedCancellationException(h2);
2260	>	checkCompletedWithWrappedCancellationException(h3);
2261	>	g.complete(v1);
2262	>
2263	>	// unspecified behavior - both source completions available
2264	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2265	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2266	>	try {
2267	>	assertEquals(inc(v1), h4.join());
2268	>	rs[4].assertValue(inc(v1));
2269	>	} catch (CompletionException ok) {
2270	>	checkCompletedWithWrappedCancellationException(h4);
2271	>	rs[4].assertNotInvoked();
2272	>	}
2273	>	try {
2274	>	assertEquals(inc(v1), h5.join());
2275	>	rs[5].assertValue(inc(v1));
2276	>	} catch (CompletionException ok) {
2277	>	checkCompletedWithWrappedCancellationException(h5);
2278	>	rs[5].assertNotInvoked();
2279	>	}
2280
2281	<	/**
2282	<	* acceptEither result completes exceptionally after exceptional
2283	<	* completion of either source
2284	<	*/
2285	<	public void testAcceptEither2() {
2286	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2287	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2288	<	IncAction r = new IncAction();
2289	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2290	<	f.completeExceptionally(new CFException());
2291	<	f2.complete(one);
2292	<	checkCompletedWithWrappedCFException(g);
2281	>	checkCancelled(f);
2282	>	checkCompletedNormally(g, v1);
2283	>	checkCompletedWithWrappedCancellationException(h0);
2284	>	checkCompletedWithWrappedCancellationException(h1);
2285	>	checkCompletedWithWrappedCancellationException(h2);
2286	>	checkCompletedWithWrappedCancellationException(h3);
2287	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2288	>	}}
2289	>
2290	>	public void testApplyToEither_sourceCancelled2() {
2291	>	for (ExecutionMode m : ExecutionMode.values())
2292	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2293	>	for (boolean fFirst : new boolean[] { true, false })
2294	>	for (Integer v1 : new Integer[] { 1, null })
2295	>	{
2296	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2297	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2298	>	final IncFunction[] rs = new IncFunction[6];
2299	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2300	>
2301	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2302	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2303	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2304	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2305	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2306	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2307
2308	<	r = new IncAction();
2309	<	f = new CompletableFuture<Integer>();
2310	<	f2 = new CompletableFuture<Integer>();
2311	<	f2.completeExceptionally(new CFException());
2312	<	g = f.acceptEither(f2, r);
2313	<	checkCompletedWithWrappedCFException(g);
2314	<	}
2308	>	// unspecified behavior - both source completions available
2309	>	try {
2310	>	assertEquals(inc(v1), h0.join());
2311	>	rs[0].assertValue(inc(v1));
2312	>	} catch (CompletionException ok) {
2313	>	checkCompletedWithWrappedCancellationException(h0);
2314	>	rs[0].assertNotInvoked();
2315	>	}
2316	>	try {
2317	>	assertEquals(inc(v1), h1.join());
2318	>	rs[1].assertValue(inc(v1));
2319	>	} catch (CompletionException ok) {
2320	>	checkCompletedWithWrappedCancellationException(h1);
2321	>	rs[1].assertNotInvoked();
2322	>	}
2323	>	try {
2324	>	assertEquals(inc(v1), h2.join());
2325	>	rs[2].assertValue(inc(v1));
2326	>	} catch (CompletionException ok) {
2327	>	checkCompletedWithWrappedCancellationException(h2);
2328	>	rs[2].assertNotInvoked();
2329	>	}
2330	>	try {
2331	>	assertEquals(inc(v1), h3.join());
2332	>	rs[3].assertValue(inc(v1));
2333	>	} catch (CompletionException ok) {
2334	>	checkCompletedWithWrappedCancellationException(h3);
2335	>	rs[3].assertNotInvoked();
2336	>	}
2337
2338	<	/**
2339	<	* acceptEither result completes exceptionally if action does
2340	<	*/
946	<	public void testAcceptEither3() {
947	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
948	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
949	<	FailingConsumer r = new FailingConsumer();
950	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
951	<	f2.complete(two);
952	<	checkCompletedWithWrappedCFException(g);
953	<	}
2338	>	checkCompletedNormally(f, v1);
2339	>	checkCancelled(g);
2340	>	}}
2341
2342		/**
2343	<	* acceptEither result completes exceptionally if either source cancelled
2343	>	* applyToEither result completes exceptionally if action does
2344		*/
2345	<	public void testAcceptEither4() {
2346	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2347	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2348	<	IncAction r = new IncAction();
2349	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2350	<	assertTrue(f.cancel(true));
2351	<	checkCompletedWithWrappedCancellationException(g);
2352	<	f = new CompletableFuture<Integer>();
2353	<	f2 = new CompletableFuture<Integer>();
2354	<	assertTrue(f2.cancel(true));
2355	<	checkCompletedWithWrappedCancellationException(g);
2356	<	}
2357	<
2345	>	public void testApplyToEither_actionFailed() {
2346	>	for (ExecutionMode m : ExecutionMode.values())
2347	>	for (Integer v1 : new Integer[] { 1, null })
2348	>	for (Integer v2 : new Integer[] { 2, null })
2349	>	{
2350	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2351	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2352	>	final FailingFunction[] rs = new FailingFunction[6];
2353	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2354	>
2355	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2356	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2357	>	f.complete(v1);
2358	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2359	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2360	>	checkCompletedWithWrappedCFException(h0);
2361	>	checkCompletedWithWrappedCFException(h1);
2362	>	checkCompletedWithWrappedCFException(h2);
2363	>	checkCompletedWithWrappedCFException(h3);
2364	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2365	>
2366	>	g.complete(v2);
2367	>
2368	>	// unspecified behavior - both source completions available
2369	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2370	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2371	>
2372	>	checkCompletedWithWrappedCFException(h4);
2373	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2374	>	Objects.equals(v2, rs[4].value));
2375	>	checkCompletedWithWrappedCFException(h5);
2376	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2377	>	Objects.equals(v2, rs[5].value));
2378	>
2379	>	checkCompletedNormally(f, v1);
2380	>	checkCompletedNormally(g, v2);
2381	>	}}
2382
2383		/**
2384	<	* runAfterEither result completes normally after normal completion
2384	>	* acceptEither result completes normally after normal completion
2385		* of either source
2386		*/
2387	<	public void testRunAfterEither() {
2388	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2389	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2390	<	Noop r = new Noop();
2391	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2392	<	f.complete(one);
2393	<	checkCompletedNormally(g, null);
2394	<	f2.complete(one);
2395	<	checkCompletedNormally(g, null);
2396	<	assertTrue(r.ran);
2397	<
2398	<	r = new Noop();
2399	<	f = new CompletableFuture<Integer>();
2400	<	f.complete(one);
2401	<	f2 = new CompletableFuture<Integer>();
2402	<	g = f.runAfterEither(f2, r);
2403	<	checkCompletedNormally(g, null);
2404	<	assertTrue(r.ran);
2405	<	}
2387	>	public void testAcceptEither_normalCompletion() {
2388	>	for (ExecutionMode m : ExecutionMode.values())
2389	>	for (Integer v1 : new Integer[] { 1, null })
2390	>	for (Integer v2 : new Integer[] { 2, null })
2391	>	{
2392	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2393	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2394	>	final NoopConsumer[] rs = new NoopConsumer[6];
2395	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2396	>
2397	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2398	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2399	>	checkIncomplete(h0);
2400	>	checkIncomplete(h1);
2401	>	rs[0].assertNotInvoked();
2402	>	rs[1].assertNotInvoked();
2403	>	f.complete(v1);
2404	>	checkCompletedNormally(h0, null);
2405	>	checkCompletedNormally(h1, null);
2406	>	rs[0].assertValue(v1);
2407	>	rs[1].assertValue(v1);
2408	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2409	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2410	>	checkCompletedNormally(h2, null);
2411	>	checkCompletedNormally(h3, null);
2412	>	rs[2].assertValue(v1);
2413	>	rs[3].assertValue(v1);
2414	>	g.complete(v2);
2415	>
2416	>	// unspecified behavior - both source completions available
2417	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2418	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2419	>	checkCompletedNormally(h4, null);
2420	>	checkCompletedNormally(h5, null);
2421	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2422	>	Objects.equals(v2, rs[4].value));
2423	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2424	>	Objects.equals(v2, rs[5].value));
2425	>
2426	>	checkCompletedNormally(f, v1);
2427	>	checkCompletedNormally(g, v2);
2428	>	checkCompletedNormally(h0, null);
2429	>	checkCompletedNormally(h1, null);
2430	>	checkCompletedNormally(h2, null);
2431	>	checkCompletedNormally(h3, null);
2432	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2433	>	}}
2434
2435		/**
2436	<	* runAfterEither result completes exceptionally after exceptional
2436	>	* acceptEither result completes exceptionally after exceptional
2437		* completion of either source
2438		*/
2439	<	public void testRunAfterEither2() {
2440	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2441	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2442	<	Noop r = new Noop();
2443	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2444	<	f.completeExceptionally(new CFException());
2445	<	f2.complete(one);
2446	<	checkCompletedWithWrappedCFException(g);
2447	<
2448	<	r = new Noop();
2449	<	f = new CompletableFuture<Integer>();
2450	<	f2 = new CompletableFuture<Integer>();
2451	<	f2.completeExceptionally(new CFException());
2452	<	g = f.runAfterEither(f2, r);
2453	<	checkCompletedWithWrappedCFException(g);
2454	<	}
2455	<
2456	<	/**
2457	<	* runAfterEither result completes exceptionally if action does
2458	<	*/
2459	<	public void testRunAfterEither3() {
2460	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2461	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2462	<	FailingNoop r = new FailingNoop();
2463	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2464	<	f2.complete(two);
2465	<	checkCompletedWithWrappedCFException(g);
2466	<	}
2467	<
1029	<	/**
1030	<	* runAfterEither result completes exceptionally if either source cancelled
1031	<	*/
1032	<	public void testRunAfterEither4() {
1033	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1034	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1035	<	Noop r = new Noop();
1036	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1037	<	assertTrue(f.cancel(true));
1038	<	checkCompletedWithWrappedCancellationException(g);
1039	<	f = new CompletableFuture<Integer>();
1040	<	f2 = new CompletableFuture<Integer>();
1041	<	assertTrue(f2.cancel(true));
1042	<	checkCompletedWithWrappedCancellationException(g);
1043	<	}
1044	<
1045	<	/**
1046	<	* thenCompose result completes normally after normal completion of source
1047	<	*/
1048	<	public void testThenCompose() {
1049	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1050	<	CompletableFutureInc r = new CompletableFutureInc();
1051	<	CompletableFuture<Integer> g = f.thenCompose(r);
1052	<	f.complete(one);
1053	<	checkCompletedNormally(g, two);
1054	<	}
1055	<
1056	<	/**
1057	<	* thenCompose result completes exceptionally after exceptional
1058	<	* completion of source
1059	<	*/
1060	<	public void testThenCompose2() {
1061	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1062	<	CompletableFutureInc r = new CompletableFutureInc();
1063	<	CompletableFuture<Integer> g = f.thenCompose(r);
1064	<	f.completeExceptionally(new CFException());
1065	<	checkCompletedWithWrappedCFException(g);
1066	<	}
1067	<
1068	<	/**
1069	<	* thenCompose result completes exceptionally if action does
1070	<	*/
1071	<	public void testThenCompose3() {
1072	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1073	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
1074	<	CompletableFuture<Integer> g = f.thenCompose(r);
1075	<	f.complete(one);
1076	<	checkCompletedWithWrappedCFException(g);
1077	<	}
1078	<
1079	<	/**
1080	<	* thenCompose result completes exceptionally if source cancelled
1081	<	*/
1082	<	public void testThenCompose4() {
1083	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1084	<	CompletableFutureInc r = new CompletableFutureInc();
1085	<	CompletableFuture<Integer> g = f.thenCompose(r);
1086	<	assertTrue(f.cancel(true));
1087	<	checkCompletedWithWrappedCancellationException(g);
1088	<	}
1089	<
1090	<
1091	<	// asyncs
1092	<
1093	<	/**
1094	<	* thenRunAsync result completes normally after normal completion of source
1095	<	*/
1096	<	public void testThenRunAsync() {
1097	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1098	<	Noop r = new Noop();
1099	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1100	<	f.complete(null);
1101	<	checkCompletedNormally(g, null);
1102	<
1103	<	// reordered version
1104	<	f = new CompletableFuture<Integer>();
1105	<	f.complete(null);
1106	<	r = new Noop();
1107	<	g = f.thenRunAsync(r);
1108	<	checkCompletedNormally(g, null);
1109	<	}
1110	<
1111	<	/**
1112	<	* thenRunAsync result completes exceptionally after exceptional
1113	<	* completion of source
1114	<	*/
1115	<	public void testThenRunAsync2() {
1116	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1117	<	Noop r = new Noop();
1118	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1119	<	f.completeExceptionally(new CFException());
2439	>	public void testAcceptEither_exceptionalCompletion() {
2440	>	for (ExecutionMode m : ExecutionMode.values())
2441	>	for (Integer v1 : new Integer[] { 1, null })
2442	>	{
2443	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2444	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2445	>	final CFException ex = new CFException();
2446	>	final NoopConsumer[] rs = new NoopConsumer[6];
2447	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2448	>
2449	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2450	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2451	>	checkIncomplete(h0);
2452	>	checkIncomplete(h1);
2453	>	rs[0].assertNotInvoked();
2454	>	rs[1].assertNotInvoked();
2455	>	f.completeExceptionally(ex);
2456	>	checkCompletedWithWrappedException(h0, ex);
2457	>	checkCompletedWithWrappedException(h1, ex);
2458	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2459	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2460	>	checkCompletedWithWrappedException(h2, ex);
2461	>	checkCompletedWithWrappedException(h3, ex);
2462	>
2463	>	g.complete(v1);
2464	>
2465	>	// unspecified behavior - both source completions available
2466	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2467	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2468		try {
2469	<	g.join();
2470	<	shouldThrow();
2471	<	} catch (Exception ok) {
2469	>	assertNull(h4.join());
2470	>	rs[4].assertValue(v1);
2471	>	} catch (CompletionException ok) {
2472	>	checkCompletedWithWrappedException(h4, ex);
2473	>	rs[4].assertNotInvoked();
2474	>	}
2475	>	try {
2476	>	assertNull(h5.join());
2477	>	rs[5].assertValue(v1);
2478	>	} catch (CompletionException ok) {
2479	>	checkCompletedWithWrappedException(h5, ex);
2480	>	rs[5].assertNotInvoked();
2481		}
1125	–	checkCompletedWithWrappedCFException(g);
1126	–	}
1127	–
1128	–	/**
1129	–	* thenRunAsync result completes exceptionally if action does
1130	–	*/
1131	–	public void testThenRunAsync3() {
1132	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1133	–	FailingNoop r = new FailingNoop();
1134	–	CompletableFuture<Void> g = f.thenRunAsync(r);
1135	–	f.complete(null);
1136	–	checkCompletedWithWrappedCFException(g);
1137	–	}
1138	–
1139	–	/**
1140	–	* thenRunAsync result completes exceptionally if source cancelled
1141	–	*/
1142	–	public void testThenRunAsync4() {
1143	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1144	–	Noop r = new Noop();
1145	–	CompletableFuture<Void> g = f.thenRunAsync(r);
1146	–	assertTrue(f.cancel(true));
1147	–	checkCompletedWithWrappedCancellationException(g);
1148	–	}
1149	–
1150	–	/**
1151	–	* thenApplyAsync result completes normally after normal completion of source
1152	–	*/
1153	–	public void testThenApplyAsync() {
1154	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1155	–	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1156	–	f.complete(one);
1157	–	checkCompletedNormally(g, two);
1158	–	}
1159	–
1160	–	/**
1161	–	* thenApplyAsync result completes exceptionally after exceptional
1162	–	* completion of source
1163	–	*/
1164	–	public void testThenApplyAsync2() {
1165	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1166	–	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1167	–	f.completeExceptionally(new CFException());
1168	–	checkCompletedWithWrappedCFException(g);
1169	–	}
1170	–
1171	–	/**
1172	–	* thenApplyAsync result completes exceptionally if action does
1173	–	*/
1174	–	public void testThenApplyAsync3() {
1175	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1176	–	FailingFunction r = new FailingFunction();
1177	–	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1178	–	f.complete(null);
1179	–	checkCompletedWithWrappedCFException(g);
1180	–	}
1181	–
1182	–	/**
1183	–	* thenApplyAsync result completes exceptionally if source cancelled
1184	–	*/
1185	–	public void testThenApplyAsync4() {
1186	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1187	–	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1188	–	assertTrue(f.cancel(true));
1189	–	checkCompletedWithWrappedCancellationException(g);
1190	–	}
1191	–
1192	–	/**
1193	–	* thenAcceptAsync result completes normally after normal
1194	–	* completion of source
1195	–	*/
1196	–	public void testThenAcceptAsync() {
1197	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1198	–	IncAction r = new IncAction();
1199	–	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1200	–	f.complete(one);
1201	–	checkCompletedNormally(g, null);
1202	–	assertEquals(r.value, 2);
1203	–	}
1204	–
1205	–	/**
1206	–	* thenAcceptAsync result completes exceptionally after exceptional
1207	–	* completion of source
1208	–	*/
1209	–	public void testThenAcceptAsync2() {
1210	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1211	–	IncAction r = new IncAction();
1212	–	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1213	–	f.completeExceptionally(new CFException());
1214	–	checkCompletedWithWrappedCFException(g);
1215	–	}
1216	–
1217	–	/**
1218	–	* thenAcceptAsync result completes exceptionally if action does
1219	–	*/
1220	–	public void testThenAcceptAsync3() {
1221	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1222	–	FailingConsumer r = new FailingConsumer();
1223	–	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1224	–	f.complete(null);
1225	–	checkCompletedWithWrappedCFException(g);
1226	–	}
1227	–
1228	–	/**
1229	–	* thenAcceptAsync result completes exceptionally if source cancelled
1230	–	*/
1231	–	public void testThenAcceptAsync4() {
1232	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1233	–	IncAction r = new IncAction();
1234	–	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1235	–	assertTrue(f.cancel(true));
1236	–	checkCompletedWithWrappedCancellationException(g);
1237	–	}
1238	–	/**
1239	–	* thenCombineAsync result completes normally after normal
1240	–	* completion of sources
1241	–	*/
1242	–	public void testThenCombineAsync() {
1243	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1244	–	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1245	–	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add);
1246	–	f.complete(one);
1247	–	checkIncomplete(g);
1248	–	f2.complete(two);
1249	–	checkCompletedNormally(g, three);
1250	–	}
1251	–
1252	–	/**
1253	–	* thenCombineAsync result completes exceptionally after exceptional
1254	–	* completion of source
1255	–	*/
1256	–	public void testThenCombineAsync2() {
1257	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1258	–	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1259	–	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add);
1260	–	f.completeExceptionally(new CFException());
1261	–	f2.complete(two);
1262	–	checkCompletedWithWrappedCFException(g);
1263	–
1264	–	f = new CompletableFuture<Integer>();
1265	–	f2 = new CompletableFuture<Integer>();
1266	–	g = f.thenCombineAsync(f2, add);
1267	–	f.complete(one);
1268	–	f2.completeExceptionally(new CFException());
1269	–	checkCompletedWithWrappedCFException(g);
1270	–	}
1271	–
1272	–	/**
1273	–	* thenCombineAsync result completes exceptionally if action does
1274	–	*/
1275	–	public void testThenCombineAsync3() {
1276	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1277	–	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1278	–	FailingBiFunction r = new FailingBiFunction();
1279	–	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1280	–	f.complete(one);
1281	–	checkIncomplete(g);
1282	–	f2.complete(two);
1283	–	checkCompletedWithWrappedCFException(g);
1284	–	}
1285	–
1286	–	/**
1287	–	* thenCombineAsync result completes exceptionally if either source cancelled
1288	–	*/
1289	–	public void testThenCombineAsync4() {
1290	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1291	–	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1292	–	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add);
1293	–	assertTrue(f.cancel(true));
1294	–	f2.complete(two);
1295	–	checkCompletedWithWrappedCancellationException(g);
1296	–
1297	–	f = new CompletableFuture<Integer>();
1298	–	f2 = new CompletableFuture<Integer>();
1299	–	g = f.thenCombineAsync(f2, add);
1300	–	f.complete(one);
1301	–	assertTrue(f2.cancel(true));
1302	–	checkCompletedWithWrappedCancellationException(g);
1303	–	}
1304	–
1305	–	/**
1306	–	* thenAcceptBothAsync result completes normally after normal
1307	–	* completion of sources
1308	–	*/
1309	–	public void testThenAcceptBothAsync() {
1310	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1311	–	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1312	–	AddAction r = new AddAction();
1313	–	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
1314	–	f.complete(one);
1315	–	checkIncomplete(g);
1316	–	f2.complete(two);
1317	–	checkCompletedNormally(g, null);
1318	–	assertEquals(r.value, 3);
1319	–	}
2482
2483	<	/**
2484	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2485	<	* completion of source
2486	<	*/
2487	<	public void testThenAcceptBothAsync2() {
2488	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2489	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2490	<	AddAction r = new AddAction();
2491	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
2492	<	f.completeExceptionally(new CFException());
2493	<	f2.complete(two);
2494	<	checkCompletedWithWrappedCFException(g);
2483	>	checkCompletedExceptionally(f, ex);
2484	>	checkCompletedNormally(g, v1);
2485	>	checkCompletedWithWrappedException(h0, ex);
2486	>	checkCompletedWithWrappedException(h1, ex);
2487	>	checkCompletedWithWrappedException(h2, ex);
2488	>	checkCompletedWithWrappedException(h3, ex);
2489	>	checkCompletedWithWrappedException(h4, ex);
2490	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2491	>	}}
2492	>
2493	>	public void testAcceptEither_exceptionalCompletion2() {
2494	>	for (ExecutionMode m : ExecutionMode.values())
2495	>	for (boolean fFirst : new boolean[] { true, false })
2496	>	for (Integer v1 : new Integer[] { 1, null })
2497	>	{
2498	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2499	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2500	>	final CFException ex = new CFException();
2501	>	final NoopConsumer[] rs = new NoopConsumer[6];
2502	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2503	>
2504	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2505	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2506	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2507	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2508	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2509	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2510
2511	<	r = new AddAction();
2512	<	f = new CompletableFuture<Integer>();
2513	<	f2 = new CompletableFuture<Integer>();
2514	<	g = f.thenAcceptBothAsync(f2, r);
2515	<	f.complete(one);
2516	<	f2.completeExceptionally(new CFException());
2517	<	checkCompletedWithWrappedCFException(g);
2518	<	}
2511	>	// unspecified behavior - both source completions available
2512	>	try {
2513	>	assertEquals(null, h0.join());
2514	>	rs[0].assertValue(v1);
2515	>	} catch (CompletionException ok) {
2516	>	checkCompletedWithWrappedException(h0, ex);
2517	>	rs[0].assertNotInvoked();
2518	>	}
2519	>	try {
2520	>	assertEquals(null, h1.join());
2521	>	rs[1].assertValue(v1);
2522	>	} catch (CompletionException ok) {
2523	>	checkCompletedWithWrappedException(h1, ex);
2524	>	rs[1].assertNotInvoked();
2525	>	}
2526	>	try {
2527	>	assertEquals(null, h2.join());
2528	>	rs[2].assertValue(v1);
2529	>	} catch (CompletionException ok) {
2530	>	checkCompletedWithWrappedException(h2, ex);
2531	>	rs[2].assertNotInvoked();
2532	>	}
2533	>	try {
2534	>	assertEquals(null, h3.join());
2535	>	rs[3].assertValue(v1);
2536	>	} catch (CompletionException ok) {
2537	>	checkCompletedWithWrappedException(h3, ex);
2538	>	rs[3].assertNotInvoked();
2539	>	}
2540
2541	<	/**
2542	<	* thenAcceptBothAsync result completes exceptionally if action does
2543	<	*/
1346	<	public void testThenAcceptBothAsync3() {
1347	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1348	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1349	<	FailingBiConsumer r = new FailingBiConsumer();
1350	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
1351	<	f.complete(one);
1352	<	checkIncomplete(g);
1353	<	f2.complete(two);
1354	<	checkCompletedWithWrappedCFException(g);
1355	<	}
2541	>	checkCompletedNormally(f, v1);
2542	>	checkCompletedExceptionally(g, ex);
2543	>	}}
2544
2545		/**
2546	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2546	>	* acceptEither result completes exceptionally if either source cancelled
2547		*/
2548	<	public void testThenAcceptBothAsync4() {
2549	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2550	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2551	<	AddAction r = new AddAction();
2552	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
2553	<	assertTrue(f.cancel(true));
2554	<	f2.complete(two);
2555	<	checkCompletedWithWrappedCancellationException(g);
2548	>	public void testAcceptEither_sourceCancelled() {
2549	>	for (ExecutionMode m : ExecutionMode.values())
2550	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2551	>	for (Integer v1 : new Integer[] { 1, null })
2552	>	{
2553	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2554	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2555	>	final NoopConsumer[] rs = new NoopConsumer[6];
2556	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2557	>
2558	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2559	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2560	>	checkIncomplete(h0);
2561	>	checkIncomplete(h1);
2562	>	rs[0].assertNotInvoked();
2563	>	rs[1].assertNotInvoked();
2564	>	f.cancel(mayInterruptIfRunning);
2565	>	checkCompletedWithWrappedCancellationException(h0);
2566	>	checkCompletedWithWrappedCancellationException(h1);
2567	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2568	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2569	>	checkCompletedWithWrappedCancellationException(h2);
2570	>	checkCompletedWithWrappedCancellationException(h3);
2571	>
2572	>	g.complete(v1);
2573	>
2574	>	// unspecified behavior - both source completions available
2575	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2576	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2577	>	try {
2578	>	assertNull(h4.join());
2579	>	rs[4].assertValue(v1);
2580	>	} catch (CompletionException ok) {
2581	>	checkCompletedWithWrappedCancellationException(h4);
2582	>	rs[4].assertNotInvoked();
2583	>	}
2584	>	try {
2585	>	assertNull(h5.join());
2586	>	rs[5].assertValue(v1);
2587	>	} catch (CompletionException ok) {
2588	>	checkCompletedWithWrappedCancellationException(h5);
2589	>	rs[5].assertNotInvoked();
2590	>	}
2591
2592	<	r = new AddAction();
2593	<	f = new CompletableFuture<Integer>();
2594	<	f2 = new CompletableFuture<Integer>();
2595	<	g = f.thenAcceptBothAsync(f2, r);
2596	<	f.complete(one);
2597	<	assertTrue(f2.cancel(true));
2598	<	checkCompletedWithWrappedCancellationException(g);
2599	<	}
2592	>	checkCancelled(f);
2593	>	checkCompletedNormally(g, v1);
2594	>	checkCompletedWithWrappedCancellationException(h0);
2595	>	checkCompletedWithWrappedCancellationException(h1);
2596	>	checkCompletedWithWrappedCancellationException(h2);
2597	>	checkCompletedWithWrappedCancellationException(h3);
2598	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2599	>	}}
2600
2601		/**
2602	<	* runAfterBothAsync result completes normally after normal
1380	<	* completion of sources
2602	>	* acceptEither result completes exceptionally if action does
2603		*/
2604	<	public void testRunAfterBothAsync() {
2605	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2606	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2607	<	Noop r = new Noop();
2608	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
2609	<	f.complete(one);
2610	<	checkIncomplete(g);
2611	<	f2.complete(two);
2612	<	checkCompletedNormally(g, null);
2613	<	assertTrue(r.ran);
2614	<	}
2604	>	public void testAcceptEither_actionFailed() {
2605	>	for (ExecutionMode m : ExecutionMode.values())
2606	>	for (Integer v1 : new Integer[] { 1, null })
2607	>	for (Integer v2 : new Integer[] { 2, null })
2608	>	{
2609	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2610	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2611	>	final FailingConsumer[] rs = new FailingConsumer[6];
2612	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2613	>
2614	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2615	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2616	>	f.complete(v1);
2617	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2618	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2619	>	checkCompletedWithWrappedCFException(h0);
2620	>	checkCompletedWithWrappedCFException(h1);
2621	>	checkCompletedWithWrappedCFException(h2);
2622	>	checkCompletedWithWrappedCFException(h3);
2623	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2624	>
2625	>	g.complete(v2);
2626	>
2627	>	// unspecified behavior - both source completions available
2628	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2629	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2630	>
2631	>	checkCompletedWithWrappedCFException(h4);
2632	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2633	>	Objects.equals(v2, rs[4].value));
2634	>	checkCompletedWithWrappedCFException(h5);
2635	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2636	>	Objects.equals(v2, rs[5].value));
2637	>
2638	>	checkCompletedNormally(f, v1);
2639	>	checkCompletedNormally(g, v2);
2640	>	}}
2641
2642		/**
2643	<	* runAfterBothAsync result completes exceptionally after exceptional
2644	<	* completion of source
2643	>	* runAfterEither result completes normally after normal completion
2644	>	* of either source
2645		*/
2646	<	public void testRunAfterBothAsync2() {
2647	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2648	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2649	<	Noop r = new Noop();
2650	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
2651	<	f.completeExceptionally(new CFException());
2652	<	f2.complete(two);
2653	<	checkCompletedWithWrappedCFException(g);
2654	<
2655	<	r = new Noop();
2656	<	f = new CompletableFuture<Integer>();
2657	<	f2 = new CompletableFuture<Integer>();
2658	<	g = f.runAfterBothAsync(f2, r);
2659	<	f.complete(one);
2660	<	f2.completeExceptionally(new CFException());
2661	<	checkCompletedWithWrappedCFException(g);
2662	<	}
2646	>	public void testRunAfterEither_normalCompletion() {
2647	>	for (ExecutionMode m : ExecutionMode.values())
2648	>	for (Integer v1 : new Integer[] { 1, null })
2649	>	for (Integer v2 : new Integer[] { 2, null })
2650	>	{
2651	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2652	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2653	>	final Noop[] rs = new Noop[6];
2654	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2655	>
2656	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2657	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2658	>	checkIncomplete(h0);
2659	>	checkIncomplete(h1);
2660	>	rs[0].assertNotInvoked();
2661	>	rs[1].assertNotInvoked();
2662	>	f.complete(v1);
2663	>	checkCompletedNormally(h0, null);
2664	>	checkCompletedNormally(h1, null);
2665	>	rs[0].assertInvoked();
2666	>	rs[1].assertInvoked();
2667	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2668	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2669	>	checkCompletedNormally(h2, null);
2670	>	checkCompletedNormally(h3, null);
2671	>	rs[2].assertInvoked();
2672	>	rs[3].assertInvoked();
2673	>
2674	>	g.complete(v2);
2675	>
2676	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2677	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2678	>
2679	>	checkCompletedNormally(f, v1);
2680	>	checkCompletedNormally(g, v2);
2681	>	checkCompletedNormally(h0, null);
2682	>	checkCompletedNormally(h1, null);
2683	>	checkCompletedNormally(h2, null);
2684	>	checkCompletedNormally(h3, null);
2685	>	checkCompletedNormally(h4, null);
2686	>	checkCompletedNormally(h5, null);
2687	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2688	>	}}
2689
2690		/**
2691	<	* runAfterBothAsync result completes exceptionally if action does
2691	>	* runAfterEither result completes exceptionally after exceptional
2692	>	* completion of either source
2693		*/
2694	<	public void testRunAfterBothAsync3() {
2695	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2696	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2697	<	FailingNoop r = new FailingNoop();
2698	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
2699	<	f.complete(one);
2700	<	checkIncomplete(g);
2701	<	f2.complete(two);
2702	<	checkCompletedWithWrappedCFException(g);
2703	<	}
2694	>	public void testRunAfterEither_exceptionalCompletion() {
2695	>	for (ExecutionMode m : ExecutionMode.values())
2696	>	for (Integer v1 : new Integer[] { 1, null })
2697	>	{
2698	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2699	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2700	>	final CFException ex = new CFException();
2701	>	final Noop[] rs = new Noop[6];
2702	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2703	>
2704	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2705	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2706	>	checkIncomplete(h0);
2707	>	checkIncomplete(h1);
2708	>	rs[0].assertNotInvoked();
2709	>	rs[1].assertNotInvoked();
2710	>	assertTrue(f.completeExceptionally(ex));
2711	>	checkCompletedWithWrappedException(h0, ex);
2712	>	checkCompletedWithWrappedException(h1, ex);
2713	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2714	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2715	>	checkCompletedWithWrappedException(h2, ex);
2716	>	checkCompletedWithWrappedException(h3, ex);
2717	>
2718	>	assertTrue(g.complete(v1));
2719	>
2720	>	// unspecified behavior - both source completions available
2721	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2722	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2723	>	try {
2724	>	assertNull(h4.join());
2725	>	rs[4].assertInvoked();
2726	>	} catch (CompletionException ok) {
2727	>	checkCompletedWithWrappedException(h4, ex);
2728	>	rs[4].assertNotInvoked();
2729	>	}
2730	>	try {
2731	>	assertNull(h5.join());
2732	>	rs[5].assertInvoked();
2733	>	} catch (CompletionException ok) {
2734	>	checkCompletedWithWrappedException(h5, ex);
2735	>	rs[5].assertNotInvoked();
2736	>	}
2737
2738	<	/**
2739	<	* runAfterBothAsync result completes exceptionally if either source cancelled
2740	<	*/
2741	<	public void testRunAfterBothAsync4() {
2742	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2743	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2744	<	Noop r = new Noop();
2745	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
2746	<	assertTrue(f.cancel(true));
2747	<	f2.complete(two);
2748	<	checkCompletedWithWrappedCancellationException(g);
2738	>	checkCompletedExceptionally(f, ex);
2739	>	checkCompletedNormally(g, v1);
2740	>	checkCompletedWithWrappedException(h0, ex);
2741	>	checkCompletedWithWrappedException(h1, ex);
2742	>	checkCompletedWithWrappedException(h2, ex);
2743	>	checkCompletedWithWrappedException(h3, ex);
2744	>	checkCompletedWithWrappedException(h4, ex);
2745	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2746	>	}}
2747	>
2748	>	public void testRunAfterEither_exceptionalCompletion2() {
2749	>	for (ExecutionMode m : ExecutionMode.values())
2750	>	for (boolean fFirst : new boolean[] { true, false })
2751	>	for (Integer v1 : new Integer[] { 1, null })
2752	>	{
2753	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2754	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2755	>	final CFException ex = new CFException();
2756	>	final Noop[] rs = new Noop[6];
2757	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2758	>
2759	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2760	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2761	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2762	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2763	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2764	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2765
2766	<	r = new Noop();
2767	<	f = new CompletableFuture<Integer>();
2768	<	f2 = new CompletableFuture<Integer>();
2769	<	g = f.runAfterBothAsync(f2, r);
2770	<	f.complete(one);
2771	<	assertTrue(f2.cancel(true));
2772	<	checkCompletedWithWrappedCancellationException(g);
2773	<	}
2766	>	// unspecified behavior - both source completions available
2767	>	try {
2768	>	assertEquals(null, h0.join());
2769	>	rs[0].assertInvoked();
2770	>	} catch (CompletionException ok) {
2771	>	checkCompletedWithWrappedException(h0, ex);
2772	>	rs[0].assertNotInvoked();
2773	>	}
2774	>	try {
2775	>	assertEquals(null, h1.join());
2776	>	rs[1].assertInvoked();
2777	>	} catch (CompletionException ok) {
2778	>	checkCompletedWithWrappedException(h1, ex);
2779	>	rs[1].assertNotInvoked();
2780	>	}
2781	>	try {
2782	>	assertEquals(null, h2.join());
2783	>	rs[2].assertInvoked();
2784	>	} catch (CompletionException ok) {
2785	>	checkCompletedWithWrappedException(h2, ex);
2786	>	rs[2].assertNotInvoked();
2787	>	}
2788	>	try {
2789	>	assertEquals(null, h3.join());
2790	>	rs[3].assertInvoked();
2791	>	} catch (CompletionException ok) {
2792	>	checkCompletedWithWrappedException(h3, ex);
2793	>	rs[3].assertNotInvoked();
2794	>	}
2795
2796	<	/**
2797	<	* applyToEitherAsync result completes normally after normal
2798	<	* completion of sources
1454	<	*/
1455	<	public void testApplyToEitherAsync() {
1456	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1457	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1458	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1459	<	f.complete(one);
1460	<	checkCompletedNormally(g, two);
1461	<
1462	<	f = new CompletableFuture<Integer>();
1463	<	f.complete(one);
1464	<	f2 = new CompletableFuture<Integer>();
1465	<	g = f.applyToEitherAsync(f2, inc);
1466	<	checkCompletedNormally(g, two);
1467	<	}
2796	>	checkCompletedNormally(f, v1);
2797	>	checkCompletedExceptionally(g, ex);
2798	>	}}
2799
2800		/**
2801	<	* applyToEitherAsync result completes exceptionally after exceptional
1471	<	* completion of source
2801	>	* runAfterEither result completes exceptionally if either source cancelled
2802		*/
2803	<	public void testApplyToEitherAsync2() {
2804	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2805	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2806	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2807	<	f.completeExceptionally(new CFException());
2808	<	checkCompletedWithWrappedCFException(g);
2803	>	public void testRunAfterEither_sourceCancelled() {
2804	>	for (ExecutionMode m : ExecutionMode.values())
2805	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2806	>	for (Integer v1 : new Integer[] { 1, null })
2807	>	{
2808	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2809	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2810	>	final Noop[] rs = new Noop[6];
2811	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2812	>
2813	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2814	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2815	>	checkIncomplete(h0);
2816	>	checkIncomplete(h1);
2817	>	rs[0].assertNotInvoked();
2818	>	rs[1].assertNotInvoked();
2819	>	f.cancel(mayInterruptIfRunning);
2820	>	checkCompletedWithWrappedCancellationException(h0);
2821	>	checkCompletedWithWrappedCancellationException(h1);
2822	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2823	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2824	>	checkCompletedWithWrappedCancellationException(h2);
2825	>	checkCompletedWithWrappedCancellationException(h3);
2826	>
2827	>	assertTrue(g.complete(v1));
2828	>
2829	>	// unspecified behavior - both source completions available
2830	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2831	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2832	>	try {
2833	>	assertNull(h4.join());
2834	>	rs[4].assertInvoked();
2835	>	} catch (CompletionException ok) {
2836	>	checkCompletedWithWrappedCancellationException(h4);
2837	>	rs[4].assertNotInvoked();
2838	>	}
2839	>	try {
2840	>	assertNull(h5.join());
2841	>	rs[5].assertInvoked();
2842	>	} catch (CompletionException ok) {
2843	>	checkCompletedWithWrappedCancellationException(h5);
2844	>	rs[5].assertNotInvoked();
2845	>	}
2846
2847	<	f = new CompletableFuture<Integer>();
2848	<	f2 = new CompletableFuture<Integer>();
2849	<	f2.completeExceptionally(new CFException());
2850	<	g = f.applyToEitherAsync(f2, inc);
2851	<	f.complete(one);
2852	<	checkCompletedWithWrappedCFException(g);
2853	<	}
2847	>	checkCancelled(f);
2848	>	checkCompletedNormally(g, v1);
2849	>	checkCompletedWithWrappedCancellationException(h0);
2850	>	checkCompletedWithWrappedCancellationException(h1);
2851	>	checkCompletedWithWrappedCancellationException(h2);
2852	>	checkCompletedWithWrappedCancellationException(h3);
2853	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2854	>	}}
2855
2856		/**
2857	<	* applyToEitherAsync result completes exceptionally if action does
2857	>	* runAfterEither result completes exceptionally if action does
2858		*/
2859	<	public void testApplyToEitherAsync3() {
2860	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2861	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2862	<	FailingFunction r = new FailingFunction();
2863	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
2864	<	f.complete(one);
2865	<	checkCompletedWithWrappedCFException(g);
2866	<	}
2859	>	public void testRunAfterEither_actionFailed() {
2860	>	for (ExecutionMode m : ExecutionMode.values())
2861	>	for (Integer v1 : new Integer[] { 1, null })
2862	>	for (Integer v2 : new Integer[] { 2, null })
2863	>	{
2864	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2865	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2866	>	final FailingRunnable[] rs = new FailingRunnable[6];
2867	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2868	>
2869	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2870	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2871	>	assertTrue(f.complete(v1));
2872	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2873	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2874	>	checkCompletedWithWrappedCFException(h0);
2875	>	checkCompletedWithWrappedCFException(h1);
2876	>	checkCompletedWithWrappedCFException(h2);
2877	>	checkCompletedWithWrappedCFException(h3);
2878	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2879	>	assertTrue(g.complete(v2));
2880	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2881	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2882	>	checkCompletedWithWrappedCFException(h4);
2883	>	checkCompletedWithWrappedCFException(h5);
2884	>
2885	>	checkCompletedNormally(f, v1);
2886	>	checkCompletedNormally(g, v2);
2887	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2888	>	}}
2889
2890		/**
2891	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2891	>	* thenCompose result completes normally after normal completion of source
2892		*/
2893	<	public void testApplyToEitherAsync4() {
2894	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2895	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2896	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2897	<	assertTrue(f.cancel(true));
2898	<	checkCompletedWithWrappedCancellationException(g);
2899	<
2900	<	f = new CompletableFuture<Integer>();
2901	<	f2 = new CompletableFuture<Integer>();
2902	<	assertTrue(f2.cancel(true));
2903	<	g = f.applyToEitherAsync(f2, inc);
2904	<	checkCompletedWithWrappedCancellationException(g);
2905	<	}
2893	>	public void testThenCompose_normalCompletion() {
2894	>	for (ExecutionMode m : ExecutionMode.values())
2895	>	for (boolean createIncomplete : new boolean[] { true, false })
2896	>	for (Integer v1 : new Integer[] { 1, null })
2897	>	{
2898	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2899	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2900	>	if (!createIncomplete) assertTrue(f.complete(v1));
2901	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2902	>	if (createIncomplete) assertTrue(f.complete(v1));
2903	>
2904	>	checkCompletedNormally(g, inc(v1));
2905	>	checkCompletedNormally(f, v1);
2906	>	r.assertValue(v1);
2907	>	}}
2908
2909		/**
2910	<	* acceptEitherAsync result completes normally after normal
1519	<	* completion of sources
1520	<	*/
1521	<	public void testAcceptEitherAsync() {
1522	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1523	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1524	<	IncAction r = new IncAction();
1525	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1526	<	f.complete(one);
1527	<	checkCompletedNormally(g, null);
1528	<	assertEquals(r.value, 2);
1529	<
1530	<	r = new IncAction();
1531	<	f = new CompletableFuture<Integer>();
1532	<	f.complete(one);
1533	<	f2 = new CompletableFuture<Integer>();
1534	<	g = f.acceptEitherAsync(f2, r);
1535	<	checkCompletedNormally(g, null);
1536	<	assertEquals(r.value, 2);
1537	<	}
1538	<
1539	<	/**
1540	<	* acceptEitherAsync result completes exceptionally after exceptional
2910	>	* thenCompose result completes exceptionally after exceptional
2911		* completion of source
2912		*/
2913	<	public void testAcceptEitherAsync2() {
2914	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2915	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2916	<	IncAction r = new IncAction();
2917	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2918	<	f.completeExceptionally(new CFException());
2919	<	checkCompletedWithWrappedCFException(g);
2920	<
2921	<	r = new IncAction();
2922	<	f = new CompletableFuture<Integer>();
2923	<	f2 = new CompletableFuture<Integer>();
2924	<	f2.completeExceptionally(new CFException());
2925	<	g = f.acceptEitherAsync(f2, r);
2926	<	f.complete(one);
2927	<	checkCompletedWithWrappedCFException(g);
1558	<	}
1559	<
1560	<	/**
1561	<	* acceptEitherAsync result completes exceptionally if action does
1562	<	*/
1563	<	public void testAcceptEitherAsync3() {
1564	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1565	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1566	<	FailingConsumer r = new FailingConsumer();
1567	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1568	<	f.complete(one);
1569	<	checkCompletedWithWrappedCFException(g);
1570	<	}
2913	>	public void testThenCompose_exceptionalCompletion() {
2914	>	for (ExecutionMode m : ExecutionMode.values())
2915	>	for (boolean createIncomplete : new boolean[] { true, false })
2916	>	{
2917	>	final CFException ex = new CFException();
2918	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2919	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2920	>	if (!createIncomplete) f.completeExceptionally(ex);
2921	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2922	>	if (createIncomplete) f.completeExceptionally(ex);
2923	>
2924	>	checkCompletedWithWrappedException(g, ex);
2925	>	checkCompletedExceptionally(f, ex);
2926	>	r.assertNotInvoked();
2927	>	}}
2928
2929		/**
2930	<	* acceptEitherAsync result completes exceptionally if either
1574	<	* source cancelled
1575	<	*/
1576	<	public void testAcceptEitherAsync4() {
1577	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1578	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1579	<	IncAction r = new IncAction();
1580	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1581	<	assertTrue(f.cancel(true));
1582	<	checkCompletedWithWrappedCancellationException(g);
1583	<
1584	<	r = new IncAction();
1585	<	f = new CompletableFuture<Integer>();
1586	<	f2 = new CompletableFuture<Integer>();
1587	<	assertTrue(f2.cancel(true));
1588	<	g = f.acceptEitherAsync(f2, r);
1589	<	checkCompletedWithWrappedCancellationException(g);
1590	<	}
1591	<
1592	<	/**
1593	<	* runAfterEitherAsync result completes normally after normal
1594	<	* completion of sources
2930	>	* thenCompose result completes exceptionally if action does
2931		*/
2932	<	public void testRunAfterEitherAsync() {
2933	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2934	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2935	<	Noop r = new Noop();
2936	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2937	<	f.complete(one);
2938	<	checkCompletedNormally(g, null);
2939	<	assertTrue(r.ran);
2932	>	public void testThenCompose_actionFailed() {
2933	>	for (ExecutionMode m : ExecutionMode.values())
2934	>	for (boolean createIncomplete : new boolean[] { true, false })
2935	>	for (Integer v1 : new Integer[] { 1, null })
2936	>	{
2937	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2938	>	final FailingCompletableFutureFunction r
2939	>	= new FailingCompletableFutureFunction(m);
2940	>	if (!createIncomplete) assertTrue(f.complete(v1));
2941	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2942	>	if (createIncomplete) assertTrue(f.complete(v1));
2943
1605	–	r = new Noop();
1606	–	f = new CompletableFuture<Integer>();
1607	–	f.complete(one);
1608	–	f2 = new CompletableFuture<Integer>();
1609	–	g = f.runAfterEitherAsync(f2, r);
1610	–	checkCompletedNormally(g, null);
1611	–	assertTrue(r.ran);
1612	–	}
1613	–
1614	–	/**
1615	–	* runAfterEitherAsync result completes exceptionally after exceptional
1616	–	* completion of source
1617	–	*/
1618	–	public void testRunAfterEitherAsync2() {
1619	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1620	–	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1621	–	Noop r = new Noop();
1622	–	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1623	–	f.completeExceptionally(new CFException());
2944		checkCompletedWithWrappedCFException(g);
2945	<
2946	<	r = new Noop();
1627	<	f = new CompletableFuture<Integer>();
1628	<	f2 = new CompletableFuture<Integer>();
1629	<	f2.completeExceptionally(new CFException());
1630	<	g = f.runAfterEitherAsync(f2, r);
1631	<	f.complete(one);
1632	<	checkCompletedWithWrappedCFException(g);
1633	<	}
1634	<
1635	<	/**
1636	<	* runAfterEitherAsync result completes exceptionally if action does
1637	<	*/
1638	<	public void testRunAfterEitherAsync3() {
1639	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1640	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1641	<	FailingNoop r = new FailingNoop();
1642	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1643	<	f.complete(one);
1644	<	checkCompletedWithWrappedCFException(g);
1645	<	}
2945	>	checkCompletedNormally(f, v1);
2946	>	}}
2947
2948		/**
2949	<	* runAfterEitherAsync result completes exceptionally if either
1649	<	* source cancelled
2949	>	* thenCompose result completes exceptionally if source cancelled
2950		*/
2951	<	public void testRunAfterEitherAsync4() {
2952	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2953	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2954	<	Noop r = new Noop();
2955	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2956	<	assertTrue(f.cancel(true));
2957	<	checkCompletedWithWrappedCancellationException(g);
2951	>	public void testThenCompose_sourceCancelled() {
2952	>	for (ExecutionMode m : ExecutionMode.values())
2953	>	for (boolean createIncomplete : new boolean[] { true, false })
2954	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2955	>	{
2956	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2957	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2958	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2959	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2960	>	if (createIncomplete) {
2961	>	checkIncomplete(g);
2962	>	assertTrue(f.cancel(mayInterruptIfRunning));
2963	>	}
2964
1659	–	r = new Noop();
1660	–	f = new CompletableFuture<Integer>();
1661	–	f2 = new CompletableFuture<Integer>();
1662	–	assertTrue(f2.cancel(true));
1663	–	g = f.runAfterEitherAsync(f2, r);
2965		checkCompletedWithWrappedCancellationException(g);
2966	<	}
2967	<
1667	<	/**
1668	<	* thenComposeAsync result completes normally after normal
1669	<	* completion of source
1670	<	*/
1671	<	public void testThenComposeAsync() {
1672	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1673	<	CompletableFutureInc r = new CompletableFutureInc();
1674	<	CompletableFuture<Integer> g = f.thenComposeAsync(r);
1675	<	f.complete(one);
1676	<	checkCompletedNormally(g, two);
1677	<	}
1678	<
1679	<	/**
1680	<	* thenComposeAsync result completes exceptionally after
1681	<	* exceptional completion of source
1682	<	*/
1683	<	public void testThenComposeAsync2() {
1684	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1685	<	CompletableFutureInc r = new CompletableFutureInc();
1686	<	CompletableFuture<Integer> g = f.thenComposeAsync(r);
1687	<	f.completeExceptionally(new CFException());
1688	<	checkCompletedWithWrappedCFException(g);
1689	<	}
1690	<
1691	<	/**
1692	<	* thenComposeAsync result completes exceptionally if action does
1693	<	*/
1694	<	public void testThenComposeAsync3() {
1695	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1696	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
1697	<	CompletableFuture<Integer> g = f.thenComposeAsync(r);
1698	<	f.complete(one);
1699	<	checkCompletedWithWrappedCFException(g);
1700	<	}
2966	>	checkCancelled(f);
2967	>	}}
2968
2969		/**
2970	<	* thenComposeAsync result completes exceptionally if source cancelled
2970	>	* thenCompose result completes exceptionally if the result of the action does
2971		*/
2972	<	public void testThenComposeAsync4() {
2973	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2974	<	CompletableFutureInc r = new CompletableFutureInc();
2975	<	CompletableFuture<Integer> g = f.thenComposeAsync(r);
2976	<	assertTrue(f.cancel(true));
2977	<	checkCompletedWithWrappedCancellationException(g);
2978	<	}
2972	>	public void testThenCompose_actionReturnsFailingFuture() {
2973	>	for (ExecutionMode m : ExecutionMode.values())
2974	>	for (int order = 0; order < 6; order++)
2975	>	for (Integer v1 : new Integer[] { 1, null })
2976	>	{
2977	>	final CFException ex = new CFException();
2978	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2979	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2980	>	final CompletableFuture<Integer> h;
2981	>	// Test all permutations of orders
2982	>	switch (order) {
2983	>	case 0:
2984	>	assertTrue(f.complete(v1));
2985	>	assertTrue(g.completeExceptionally(ex));
2986	>	h = m.thenCompose(f, (x -> g));
2987	>	break;
2988	>	case 1:
2989	>	assertTrue(f.complete(v1));
2990	>	h = m.thenCompose(f, (x -> g));
2991	>	assertTrue(g.completeExceptionally(ex));
2992	>	break;
2993	>	case 2:
2994	>	assertTrue(g.completeExceptionally(ex));
2995	>	assertTrue(f.complete(v1));
2996	>	h = m.thenCompose(f, (x -> g));
2997	>	break;
2998	>	case 3:
2999	>	assertTrue(g.completeExceptionally(ex));
3000	>	h = m.thenCompose(f, (x -> g));
3001	>	assertTrue(f.complete(v1));
3002	>	break;
3003	>	case 4:
3004	>	h = m.thenCompose(f, (x -> g));
3005	>	assertTrue(f.complete(v1));
3006	>	assertTrue(g.completeExceptionally(ex));
3007	>	break;
3008	>	case 5:
3009	>	h = m.thenCompose(f, (x -> g));
3010	>	assertTrue(f.complete(v1));
3011	>	assertTrue(g.completeExceptionally(ex));
3012	>	break;
3013	>	default: throw new AssertionError();
3014	>	}
3015
3016	+	checkCompletedExceptionally(g, ex);
3017	+	checkCompletedWithWrappedException(h, ex);
3018	+	checkCompletedNormally(f, v1);
3019	+	}}
3020
3021	<	// async with explicit executors
3021	>	// other static methods
3022
3023		/**
3024	<	* thenRunAsync result completes normally after normal completion of source
3024	>	* allOf(no component futures) returns a future completed normally
3025	>	* with the value null
3026		*/
3027	<	public void testThenRunAsyncE() {
3028	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3029	<	Noop r = new Noop();
1722	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
1723	<	f.complete(null);
1724	<	checkCompletedNormally(g, null);
1725	<
1726	<	// reordered version
1727	<	f = new CompletableFuture<Integer>();
1728	<	f.complete(null);
1729	<	r = new Noop();
1730	<	g = f.thenRunAsync(r, new ThreadExecutor());
1731	<	checkCompletedNormally(g, null);
3027	>	public void testAllOf_empty() throws Exception {
3028	>	CompletableFuture<Void> f = CompletableFuture.allOf();
3029	>	checkCompletedNormally(f, null);
3030		}
3031
3032		/**
3033	<	* thenRunAsync result completes exceptionally after exceptional
3034	<	* completion of source
3033	>	* allOf returns a future completed normally with the value null
3034	>	* when all components complete normally
3035		*/
3036	<	public void testThenRunAsync2E() {
3037	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3038	<	Noop r = new Noop();
3039	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3040	<	f.completeExceptionally(new CFException());
3041	<	try {
3042	<	g.join();
3043	<	shouldThrow();
3044	<	} catch (Exception ok) {
3036	>	public void testAllOf_normal() throws Exception {
3037	>	for (int k = 1; k < 10; k++) {
3038	>	CompletableFuture<Integer>[] fs
3039	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3040	>	for (int i = 0; i < k; i++)
3041	>	fs[i] = new CompletableFuture<>();
3042	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3043	>	for (int i = 0; i < k; i++) {
3044	>	checkIncomplete(f);
3045	>	checkIncomplete(CompletableFuture.allOf(fs));
3046	>	fs[i].complete(one);
3047	>	}
3048	>	checkCompletedNormally(f, null);
3049	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3050		}
1748	–	checkCompletedWithWrappedCFException(g);
3051		}
3052
3053	<	/**
3054	<	* thenRunAsync result completes exceptionally if action does
3055	<	*/
3056	<	public void testThenRunAsync3E() {
3057	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3058	<	FailingNoop r = new FailingNoop();
3059	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3060	<	f.complete(null);
3061	<	checkCompletedWithWrappedCFException(g);
3062	<	}
3063	<
3064	<	/**
3065	<	* thenRunAsync result completes exceptionally if source cancelled
3066	<	*/
3067	<	public void testThenRunAsync4E() {
1766	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1767	<	Noop r = new Noop();
1768	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
1769	<	assertTrue(f.cancel(true));
1770	<	checkCompletedWithWrappedCancellationException(g);
3053	>	public void testAllOf_backwards() throws Exception {
3054	>	for (int k = 1; k < 10; k++) {
3055	>	CompletableFuture<Integer>[] fs
3056	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3057	>	for (int i = 0; i < k; i++)
3058	>	fs[i] = new CompletableFuture<>();
3059	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3060	>	for (int i = k - 1; i >= 0; i--) {
3061	>	checkIncomplete(f);
3062	>	checkIncomplete(CompletableFuture.allOf(fs));
3063	>	fs[i].complete(one);
3064	>	}
3065	>	checkCompletedNormally(f, null);
3066	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3067	>	}
3068		}
3069
3070	<	/**
3071	<	* thenApplyAsync result completes normally after normal completion of source
3072	<	*/
3073	<	public void testThenApplyAsyncE() {
3074	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3075	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3076	<	f.complete(one);
3077	<	checkCompletedNormally(g, two);
3070	>	public void testAllOf_exceptional() throws Exception {
3071	>	for (int k = 1; k < 10; k++) {
3072	>	CompletableFuture<Integer>[] fs
3073	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3074	>	CFException ex = new CFException();
3075	>	for (int i = 0; i < k; i++)
3076	>	fs[i] = new CompletableFuture<>();
3077	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3078	>	for (int i = 0; i < k; i++) {
3079	>	checkIncomplete(f);
3080	>	checkIncomplete(CompletableFuture.allOf(fs));
3081	>	if (i != k / 2) {
3082	>	fs[i].complete(i);
3083	>	checkCompletedNormally(fs[i], i);
3084	>	} else {
3085	>	fs[i].completeExceptionally(ex);
3086	>	checkCompletedExceptionally(fs[i], ex);
3087	>	}
3088	>	}
3089	>	checkCompletedWithWrappedException(f, ex);
3090	>	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3091	>	}
3092		}
3093
3094		/**
3095	<	* thenApplyAsync result completes exceptionally after exceptional
1785	<	* completion of source
3095	>	* anyOf(no component futures) returns an incomplete future
3096		*/
3097	<	public void testThenApplyAsync2E() {
3098	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3099	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3100	<	f.completeExceptionally(new CFException());
3101	<	checkCompletedWithWrappedCFException(g);
1792	<	}
3097	>	public void testAnyOf_empty() throws Exception {
3098	>	for (Integer v1 : new Integer[] { 1, null })
3099	>	{
3100	>	CompletableFuture<Object> f = CompletableFuture.anyOf();
3101	>	checkIncomplete(f);
3102
3103	<	/**
3104	<	* thenApplyAsync result completes exceptionally if action does
3105	<	*/
1797	<	public void testThenApplyAsync3E() {
1798	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1799	<	FailingFunction r = new FailingFunction();
1800	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
1801	<	f.complete(null);
1802	<	checkCompletedWithWrappedCFException(g);
1803	<	}
3103	>	f.complete(v1);
3104	>	checkCompletedNormally(f, v1);
3105	>	}}
3106
3107		/**
3108	<	* thenApplyAsync result completes exceptionally if source cancelled
3108	>	* anyOf returns a future completed normally with a value when
3109	>	* a component future does
3110		*/
3111	<	public void testThenApplyAsync4E() {
3112	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3113	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3114	<	assertTrue(f.cancel(true));
3115	<	checkCompletedWithWrappedCancellationException(g);
3111	>	public void testAnyOf_normal() throws Exception {
3112	>	for (int k = 0; k < 10; k++) {
3113	>	CompletableFuture[] fs = new CompletableFuture[k];
3114	>	for (int i = 0; i < k; i++)
3115	>	fs[i] = new CompletableFuture<>();
3116	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3117	>	checkIncomplete(f);
3118	>	for (int i = 0; i < k; i++) {
3119	>	fs[i].complete(i);
3120	>	checkCompletedNormally(f, 0);
3121	>	int x = (int) CompletableFuture.anyOf(fs).join();
3122	>	assertTrue(0 <= x && x <= i);
3123	>	}
3124	>	}
3125		}
3126	<
3127	<	/**
3128	<	* thenAcceptAsync result completes normally after normal
3129	<	* completion of source
3130	<	*/
3131	<	public void testThenAcceptAsyncE() {
3132	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3133	<	IncAction r = new IncAction();
3134	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3135	<	f.complete(one);
3136	<	checkCompletedNormally(g, null);
3137	<	assertEquals(r.value, 2);
3126	>	public void testAnyOf_normal_backwards() throws Exception {
3127	>	for (int k = 0; k < 10; k++) {
3128	>	CompletableFuture[] fs = new CompletableFuture[k];
3129	>	for (int i = 0; i < k; i++)
3130	>	fs[i] = new CompletableFuture<>();
3131	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3132	>	checkIncomplete(f);
3133	>	for (int i = k - 1; i >= 0; i--) {
3134	>	fs[i].complete(i);
3135	>	checkCompletedNormally(f, k - 1);
3136	>	int x = (int) CompletableFuture.anyOf(fs).join();
3137	>	assertTrue(i <= x && x <= k - 1);
3138	>	}
3139	>	}
3140		}
3141
3142		/**
3143	<	* thenAcceptAsync result completes exceptionally after exceptional
1830	<	* completion of source
3143	>	* anyOf result completes exceptionally when any component does.
3144		*/
3145	<	public void testThenAcceptAsync2E() {
3146	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3147	<	IncAction r = new IncAction();
3148	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3149	<	f.completeExceptionally(new CFException());
3150	<	checkCompletedWithWrappedCFException(g);
3145	>	public void testAnyOf_exceptional() throws Exception {
3146	>	for (int k = 0; k < 10; k++) {
3147	>	CompletableFuture[] fs = new CompletableFuture[k];
3148	>	CFException[] exs = new CFException[k];
3149	>	for (int i = 0; i < k; i++) {
3150	>	fs[i] = new CompletableFuture<>();
3151	>	exs[i] = new CFException();
3152	>	}
3153	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3154	>	checkIncomplete(f);
3155	>	for (int i = 0; i < k; i++) {
3156	>	fs[i].completeExceptionally(exs[i]);
3157	>	checkCompletedWithWrappedException(f, exs[0]);
3158	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3159	>	}
3160	>	}
3161		}
3162
3163	<	/**
3164	<	* thenAcceptAsync result completes exceptionally if action does
3165	<	*/
3166	<	public void testThenAcceptAsync3E() {
3167	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3168	<	FailingConsumer r = new FailingConsumer();
3169	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3170	<	f.complete(null);
3171	<	checkCompletedWithWrappedCFException(g);
3163	>	public void testAnyOf_exceptional_backwards() throws Exception {
3164	>	for (int k = 0; k < 10; k++) {
3165	>	CompletableFuture[] fs = new CompletableFuture[k];
3166	>	CFException[] exs = new CFException[k];
3167	>	for (int i = 0; i < k; i++) {
3168	>	fs[i] = new CompletableFuture<>();
3169	>	exs[i] = new CFException();
3170	>	}
3171	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3172	>	checkIncomplete(f);
3173	>	for (int i = k - 1; i >= 0; i--) {
3174	>	fs[i].completeExceptionally(exs[i]);
3175	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3176	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3177	>	}
3178	>	}
3179		}
3180
3181		/**
3182	<	* thenAcceptAsync result completes exceptionally if source cancelled
1853	<	*/
1854	<	public void testThenAcceptAsync4E() {
1855	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1856	<	IncAction r = new IncAction();
1857	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
1858	<	assertTrue(f.cancel(true));
1859	<	checkCompletedWithWrappedCancellationException(g);
1860	<	}
1861	<	/**
1862	<	* thenCombineAsync result completes normally after normal
1863	<	* completion of sources
3182	>	* Completion methods throw NullPointerException with null arguments
3183		*/
3184	<	public void testThenCombineAsyncE() {
3185	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3186	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3187	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add, new ThreadExecutor());
3188	<	f.complete(one);
3184	>	public void testNPE() {
3185	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3186	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3187	>	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3188	>	ThreadExecutor exec = new ThreadExecutor();
3189	>
3190	>	Runnable[] throwingActions = {
3191	>	() -> CompletableFuture.supplyAsync(null),
3192	>	() -> CompletableFuture.supplyAsync(null, exec),
3193	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3194	>
3195	>	() -> CompletableFuture.runAsync(null),
3196	>	() -> CompletableFuture.runAsync(null, exec),
3197	>	() -> CompletableFuture.runAsync(() -> {}, null),
3198	>
3199	>	() -> f.completeExceptionally(null),
3200	>
3201	>	() -> f.thenApply(null),
3202	>	() -> f.thenApplyAsync(null),
3203	>	() -> f.thenApplyAsync((x) -> x, null),
3204	>	() -> f.thenApplyAsync(null, exec),
3205	>
3206	>	() -> f.thenAccept(null),
3207	>	() -> f.thenAcceptAsync(null),
3208	>	() -> f.thenAcceptAsync((x) -> {} , null),
3209	>	() -> f.thenAcceptAsync(null, exec),
3210	>
3211	>	() -> f.thenRun(null),
3212	>	() -> f.thenRunAsync(null),
3213	>	() -> f.thenRunAsync(() -> {} , null),
3214	>	() -> f.thenRunAsync(null, exec),
3215	>
3216	>	() -> f.thenCombine(g, null),
3217	>	() -> f.thenCombineAsync(g, null),
3218	>	() -> f.thenCombineAsync(g, null, exec),
3219	>	() -> f.thenCombine(nullFuture, (x, y) -> x),
3220	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3221	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3222	>	() -> f.thenCombineAsync(g, (x, y) -> x, null),
3223	>
3224	>	() -> f.thenAcceptBoth(g, null),
3225	>	() -> f.thenAcceptBothAsync(g, null),
3226	>	() -> f.thenAcceptBothAsync(g, null, exec),
3227	>	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3228	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3229	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3230	>	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3231	>
3232	>	() -> f.runAfterBoth(g, null),
3233	>	() -> f.runAfterBothAsync(g, null),
3234	>	() -> f.runAfterBothAsync(g, null, exec),
3235	>	() -> f.runAfterBoth(nullFuture, () -> {}),
3236	>	() -> f.runAfterBothAsync(nullFuture, () -> {}),
3237	>	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3238	>	() -> f.runAfterBothAsync(g, () -> {}, null),
3239	>
3240	>	() -> f.applyToEither(g, null),
3241	>	() -> f.applyToEitherAsync(g, null),
3242	>	() -> f.applyToEitherAsync(g, null, exec),
3243	>	() -> f.applyToEither(nullFuture, (x) -> x),
3244	>	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3245	>	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3246	>	() -> f.applyToEitherAsync(g, (x) -> x, null),
3247	>
3248	>	() -> f.acceptEither(g, null),
3249	>	() -> f.acceptEitherAsync(g, null),
3250	>	() -> f.acceptEitherAsync(g, null, exec),
3251	>	() -> f.acceptEither(nullFuture, (x) -> {}),
3252	>	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3253	>	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3254	>	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3255	>
3256	>	() -> f.runAfterEither(g, null),
3257	>	() -> f.runAfterEitherAsync(g, null),
3258	>	() -> f.runAfterEitherAsync(g, null, exec),
3259	>	() -> f.runAfterEither(nullFuture, () -> {}),
3260	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
3261	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3262	>	() -> f.runAfterEitherAsync(g, () -> {}, null),
3263	>
3264	>	() -> f.thenCompose(null),
3265	>	() -> f.thenComposeAsync(null),
3266	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3267	>	() -> f.thenComposeAsync(null, exec),
3268	>
3269	>	() -> f.exceptionally(null),
3270	>
3271	>	() -> f.handle(null),
3272	>
3273	>	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
3274	>	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3275	>	() -> CompletableFuture.allOf(f, null),
3276	>	() -> CompletableFuture.allOf(null, f),
3277	>
3278	>	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3279	>	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3280	>	() -> CompletableFuture.anyOf(f, null),
3281	>	() -> CompletableFuture.anyOf(null, f),
3282	>
3283	>	() -> f.obtrudeException(null),
3284	>
3285	>	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3286	>	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3287	>	() -> CompletableFuture.delayedExecutor(1L, null),
3288	>
3289	>	() -> f.orTimeout(1L, null),
3290	>	() -> f.completeOnTimeout(42, 1L, null),
3291	>
3292	>	() -> CompletableFuture.failedFuture(null),
3293	>	() -> CompletableFuture.failedStage(null),
3294	>	};
3295	>
3296	>	assertThrows(NullPointerException.class, throwingActions);
3297	>	assertEquals(0, exec.count.get());
3298	>	}
3299	>
3300	>	/**
3301	>	* toCompletableFuture returns this CompletableFuture.
3302	>	*/
3303	>	public void testToCompletableFuture() {
3304	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3305	>	assertSame(f, f.toCompletableFuture());
3306	>	}
3307	>
3308	>	// jdk9
3309	>
3310	>	/**
3311	>	* newIncompleteFuture returns an incomplete CompletableFuture
3312	>	*/
3313	>	public void testNewIncompleteFuture() {
3314	>	for (Integer v1 : new Integer[] { 1, null })
3315	>	{
3316	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3317	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3318	>	checkIncomplete(f);
3319		checkIncomplete(g);
3320	<	f2.complete(two);
3321	<	checkCompletedNormally(g, three);
1873	<	}
1874	<
1875	<	/**
1876	<	* thenCombineAsync result completes exceptionally after exceptional
1877	<	* completion of source
1878	<	*/
1879	<	public void testThenCombineAsync2E() {
1880	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1881	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1882	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add, new ThreadExecutor());
1883	<	f.completeExceptionally(new CFException());
1884	<	f2.complete(two);
1885	<	checkCompletedWithWrappedCFException(g);
1886	<
1887	<	f = new CompletableFuture<Integer>();
1888	<	f2 = new CompletableFuture<Integer>();
1889	<	g = f.thenCombineAsync(f2, add, new ThreadExecutor());
1890	<	f.complete(one);
1891	<	f2.completeExceptionally(new CFException());
1892	<	checkCompletedWithWrappedCFException(g);
1893	<	}
1894	<
1895	<	/**
1896	<	* thenCombineAsync result completes exceptionally if action does
1897	<	*/
1898	<	public void testThenCombineAsync3E() {
1899	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1900	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1901	<	FailingBiFunction r = new FailingBiFunction();
1902	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
1903	<	f.complete(one);
3320	>	f.complete(v1);
3321	>	checkCompletedNormally(f, v1);
3322		checkIncomplete(g);
3323	<	f2.complete(two);
3324	<	checkCompletedWithWrappedCFException(g);
3325	<	}
3323	>	g.complete(v1);
3324	>	checkCompletedNormally(g, v1);
3325	>	assertSame(g.getClass(), CompletableFuture.class);
3326	>	}}
3327
3328		/**
3329	<	* thenCombineAsync result completes exceptionally if either source cancelled
3329	>	* completedStage returns a completed CompletionStage
3330		*/
3331	<	public void testThenCombineAsync4E() {
3332	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3333	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3334	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add, new ThreadExecutor());
3335	<	assertTrue(f.cancel(true));
3336	<	f2.complete(two);
3337	<	checkCompletedWithWrappedCancellationException(g);
1919	<
1920	<	f = new CompletableFuture<Integer>();
1921	<	f2 = new CompletableFuture<Integer>();
1922	<	g = f.thenCombineAsync(f2, add, new ThreadExecutor());
1923	<	f.complete(one);
1924	<	assertTrue(f2.cancel(true));
1925	<	checkCompletedWithWrappedCancellationException(g);
3331	>	public void testCompletedStage() {
3332	>	AtomicInteger x = new AtomicInteger(0);
3333	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3334	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3335	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3336	>	assertEquals(x.get(), 1);
3337	>	assertNull(r.get());
3338		}
3339
3340		/**
3341	<	* thenAcceptBothAsync result completes normally after normal
3342	<	* completion of sources
3341	>	* defaultExecutor by default returns the commonPool if
3342	>	* it supports more than one thread.
3343		*/
3344	<	public void testThenAcceptBothAsyncE() {
3345	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3346	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3347	<	AddAction r = new AddAction();
3348	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
3349	<	f.complete(one);
3350	<	checkIncomplete(g);
3351	<	f2.complete(two);
1940	<	checkCompletedNormally(g, null);
1941	<	assertEquals(r.value, 3);
3344	>	public void testDefaultExecutor() {
3345	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3346	>	Executor e = f.defaultExecutor();
3347	>	Executor c = ForkJoinPool.commonPool();
3348	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3349	>	assertSame(e, c);
3350	>	else
3351	>	assertNotSame(e, c);
3352		}
3353
3354		/**
3355	<	* thenAcceptBothAsync result completes exceptionally after exceptional
3356	<	* completion of source
3355	>	* failedFuture returns a CompletableFuture completed
3356	>	* exceptionally with the given Exception
3357		*/
3358	<	public void testThenAcceptBothAsync2E() {
3359	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3360	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3361	<	AddAction r = new AddAction();
1952	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
1953	<	f.completeExceptionally(new CFException());
1954	<	f2.complete(two);
1955	<	checkCompletedWithWrappedCFException(g);
1956	<
1957	<	r = new AddAction();
1958	<	f = new CompletableFuture<Integer>();
1959	<	f2 = new CompletableFuture<Integer>();
1960	<	g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
1961	<	f.complete(one);
1962	<	f2.completeExceptionally(new CFException());
1963	<	checkCompletedWithWrappedCFException(g);
1964	<	}
1965	<
1966	<	/**
1967	<	* thenAcceptBothAsync result completes exceptionally if action does
1968	<	*/
1969	<	public void testThenAcceptBothAsync3E() {
1970	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1971	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1972	<	FailingBiConsumer r = new FailingBiConsumer();
1973	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
1974	<	f.complete(one);
1975	<	checkIncomplete(g);
1976	<	f2.complete(two);
1977	<	checkCompletedWithWrappedCFException(g);
3358	>	public void testFailedFuture() {
3359	>	CFException ex = new CFException();
3360	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3361	>	checkCompletedExceptionally(f, ex);
3362		}
3363
3364		/**
3365	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
3365	>	* failedFuture(null) throws NPE
3366		*/
3367	<	public void testThenAcceptBothAsync4E() {
3368	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3369	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3370	<	AddAction r = new AddAction();
3371	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
1988	<	assertTrue(f.cancel(true));
1989	<	f2.complete(two);
1990	<	checkCompletedWithWrappedCancellationException(g);
1991	<
1992	<	r = new AddAction();
1993	<	f = new CompletableFuture<Integer>();
1994	<	f2 = new CompletableFuture<Integer>();
1995	<	g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
1996	<	f.complete(one);
1997	<	assertTrue(f2.cancel(true));
1998	<	checkCompletedWithWrappedCancellationException(g);
3367	>	public void testFailedFuture_null() {
3368	>	try {
3369	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3370	>	shouldThrow();
3371	>	} catch (NullPointerException success) {}
3372		}
3373
3374		/**
3375	<	* runAfterBothAsync result completes normally after normal
3376	<	* completion of sources
3375	>	* copy returns a CompletableFuture that is completed normally,
3376	>	* with the same value, when source is.
3377		*/
3378	<	public void testRunAfterBothAsyncE() {
3379	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3380	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3381	<	Noop r = new Noop();
2009	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2010	<	f.complete(one);
3378	>	public void testCopy() {
3379	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3380	>	CompletableFuture<Integer> g = f.copy();
3381	>	checkIncomplete(f);
3382		checkIncomplete(g);
3383	<	f2.complete(two);
3384	<	checkCompletedNormally(g, null);
3385	<	assertTrue(r.ran);
2015	<	}
2016	<
2017	<	/**
2018	<	* runAfterBothAsync result completes exceptionally after exceptional
2019	<	* completion of source
2020	<	*/
2021	<	public void testRunAfterBothAsync2E() {
2022	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2023	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2024	<	Noop r = new Noop();
2025	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2026	<	f.completeExceptionally(new CFException());
2027	<	f2.complete(two);
2028	<	checkCompletedWithWrappedCFException(g);
2029	<
2030	<	r = new Noop();
2031	<	f = new CompletableFuture<Integer>();
2032	<	f2 = new CompletableFuture<Integer>();
2033	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2034	<	f.complete(one);
2035	<	f2.completeExceptionally(new CFException());
2036	<	checkCompletedWithWrappedCFException(g);
3383	>	f.complete(1);
3384	>	checkCompletedNormally(f, 1);
3385	>	checkCompletedNormally(g, 1);
3386		}
3387
3388		/**
3389	<	* runAfterBothAsync result completes exceptionally if action does
3389	>	* copy returns a CompletableFuture that is completed exceptionally
3390	>	* when source is.
3391		*/
3392	<	public void testRunAfterBothAsync3E() {
3393	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3394	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3395	<	FailingNoop r = new FailingNoop();
2046	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2047	<	f.complete(one);
3392	>	public void testCopy2() {
3393	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3394	>	CompletableFuture<Integer> g = f.copy();
3395	>	checkIncomplete(f);
3396		checkIncomplete(g);
3397	<	f2.complete(two);
3398	<	checkCompletedWithWrappedCFException(g);
3399	<	}
3400	<
2053	<	/**
2054	<	* runAfterBothAsync result completes exceptionally if either source cancelled
2055	<	*/
2056	<	public void testRunAfterBothAsync4E() {
2057	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2058	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2059	<	Noop r = new Noop();
2060	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2061	<	assertTrue(f.cancel(true));
2062	<	f2.complete(two);
2063	<	checkCompletedWithWrappedCancellationException(g);
2064	<
2065	<	r = new Noop();
2066	<	f = new CompletableFuture<Integer>();
2067	<	f2 = new CompletableFuture<Integer>();
2068	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2069	<	f.complete(one);
2070	<	assertTrue(f2.cancel(true));
2071	<	checkCompletedWithWrappedCancellationException(g);
2072	<	}
2073	<
2074	<	/**
2075	<	* applyToEitherAsync result completes normally after normal
2076	<	* completion of sources
2077	<	*/
2078	<	public void testApplyToEitherAsyncE() {
2079	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2080	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2081	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2082	<	f.complete(one);
2083	<	checkCompletedNormally(g, two);
2084	<
2085	<	f = new CompletableFuture<Integer>();
2086	<	f.complete(one);
2087	<	f2 = new CompletableFuture<Integer>();
2088	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2089	<	checkCompletedNormally(g, two);
3397	>	CFException ex = new CFException();
3398	>	f.completeExceptionally(ex);
3399	>	checkCompletedExceptionally(f, ex);
3400	>	checkCompletedWithWrappedException(g, ex);
3401		}
3402
3403		/**
3404	<	* applyToEitherAsync result completes exceptionally after exceptional
3405	<	* completion of source
3404	>	* minimalCompletionStage returns a CompletableFuture that is
3405	>	* completed normally, with the same value, when source is.
3406		*/
3407	<	public void testApplyToEitherAsync2E() {
3408	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3409	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3410	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3411	<	f.completeExceptionally(new CFException());
3412	<	checkCompletedWithWrappedCFException(g);
3413	<
3414	<	f = new CompletableFuture<Integer>();
3415	<	f2 = new CompletableFuture<Integer>();
3416	<	f2.completeExceptionally(new CFException());
3417	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2107	<	f.complete(one);
2108	<	checkCompletedWithWrappedCFException(g);
3407	>	public void testMinimalCompletionStage() {
3408	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3409	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3410	>	AtomicInteger x = new AtomicInteger(0);
3411	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3412	>	checkIncomplete(f);
3413	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3414	>	f.complete(1);
3415	>	checkCompletedNormally(f, 1);
3416	>	assertEquals(x.get(), 1);
3417	>	assertNull(r.get());
3418		}
3419
3420		/**
3421	<	* applyToEitherAsync result completes exceptionally if action does
3421	>	* minimalCompletionStage returns a CompletableFuture that is
3422	>	* completed exceptionally when source is.
3423		*/
3424	<	public void testApplyToEitherAsync3E() {
3425	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3426	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3427	<	FailingFunction r = new FailingFunction();
3428	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
3429	<	f.complete(one);
3430	<	checkCompletedWithWrappedCFException(g);
3424	>	public void testMinimalCompletionStage2() {
3425	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3426	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3427	>	AtomicInteger x = new AtomicInteger(0);
3428	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3429	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3430	>	checkIncomplete(f);
3431	>	CFException ex = new CFException();
3432	>	f.completeExceptionally(ex);
3433	>	checkCompletedExceptionally(f, ex);
3434	>	assertEquals(x.get(), 0);
3435	>	assertEquals(r.get().getCause(), ex);
3436		}
3437
3438		/**
3439	<	* applyToEitherAsync result completes exceptionally if either source cancelled
3439	>	* failedStage returns a CompletionStage completed
3440	>	* exceptionally with the given Exception
3441		*/
3442	<	public void testApplyToEitherAsync4E() {
3443	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3444	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3445	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3446	<	assertTrue(f.cancel(true));
3447	<	checkCompletedWithWrappedCancellationException(g);
3448	<
3449	<	f = new CompletableFuture<Integer>();
2134	<	f2 = new CompletableFuture<Integer>();
2135	<	assertTrue(f2.cancel(true));
2136	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2137	<	checkCompletedWithWrappedCancellationException(g);
3442	>	public void testFailedStage() {
3443	>	CFException ex = new CFException();
3444	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3445	>	AtomicInteger x = new AtomicInteger(0);
3446	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3447	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3448	>	assertEquals(x.get(), 0);
3449	>	assertEquals(r.get(), ex);
3450		}
3451
3452		/**
3453	<	* acceptEitherAsync result completes normally after normal
2142	<	* completion of sources
3453	>	* completeAsync completes with value of given supplier
3454		*/
3455	<	public void testAcceptEitherAsyncE() {
3456	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3457	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3458	<	IncAction r = new IncAction();
3459	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3460	<	f.complete(one);
3461	<	checkCompletedNormally(g, null);
3462	<	assertEquals(r.value, 2);
2152	<
2153	<	r = new IncAction();
2154	<	f = new CompletableFuture<Integer>();
2155	<	f.complete(one);
2156	<	f2 = new CompletableFuture<Integer>();
2157	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2158	<	checkCompletedNormally(g, null);
2159	<	assertEquals(r.value, 2);
2160	<	}
3455	>	public void testCompleteAsync() {
3456	>	for (Integer v1 : new Integer[] { 1, null })
3457	>	{
3458	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3459	>	f.completeAsync(() -> v1);
3460	>	f.join();
3461	>	checkCompletedNormally(f, v1);
3462	>	}}
3463
3464		/**
3465	<	* acceptEitherAsync result completes exceptionally after exceptional
2164	<	* completion of source
3465	>	* completeAsync completes exceptionally if given supplier throws
3466		*/
3467	<	public void testAcceptEitherAsync2E() {
3468	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3469	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3470	<	IncAction r = new IncAction();
3471	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3472	<	f.completeExceptionally(new CFException());
3473	<	checkCompletedWithWrappedCFException(g);
3474	<
3475	<	r = new IncAction();
2175	<	f = new CompletableFuture<Integer>();
2176	<	f2 = new CompletableFuture<Integer>();
2177	<	f2.completeExceptionally(new CFException());
2178	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2179	<	f.complete(one);
2180	<	checkCompletedWithWrappedCFException(g);
3467	>	public void testCompleteAsync2() {
3468	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3469	>	CFException ex = new CFException();
3470	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3471	>	try {
3472	>	f.join();
3473	>	shouldThrow();
3474	>	} catch (CompletionException success) {}
3475	>	checkCompletedWithWrappedException(f, ex);
3476		}
3477
3478		/**
3479	<	* acceptEitherAsync result completes exceptionally if action does
3479	>	* completeAsync with given executor completes with value of given supplier
3480		*/
3481	<	public void testAcceptEitherAsync3E() {
3482	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3483	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3484	<	FailingConsumer r = new FailingConsumer();
3485	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3486	<	f.complete(one);
3487	<	checkCompletedWithWrappedCFException(g);
3488	<	}
3481	>	public void testCompleteAsync3() {
3482	>	for (Integer v1 : new Integer[] { 1, null })
3483	>	{
3484	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3485	>	ThreadExecutor executor = new ThreadExecutor();
3486	>	f.completeAsync(() -> v1, executor);
3487	>	assertSame(v1, f.join());
3488	>	checkCompletedNormally(f, v1);
3489	>	assertEquals(1, executor.count.get());
3490	>	}}
3491
3492		/**
3493	<	* acceptEitherAsync result completes exceptionally if either
3494	<	* source cancelled
3493	>	* completeAsync with given executor completes exceptionally if
3494	>	* given supplier throws
3495		*/
3496	<	public void testAcceptEitherAsync4E() {
3497	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3498	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3499	<	IncAction r = new IncAction();
3500	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3501	<	assertTrue(f.cancel(true));
3502	<	checkCompletedWithWrappedCancellationException(g);
3503	<
3504	<	r = new IncAction();
3505	<	f = new CompletableFuture<Integer>();
3506	<	f2 = new CompletableFuture<Integer>();
3507	<	assertTrue(f2.cancel(true));
3508	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3509	<	checkCompletedWithWrappedCancellationException(g);
3510	<	}
3496	>	public void testCompleteAsync4() {
3497	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3498	>	CFException ex = new CFException();
3499	>	ThreadExecutor executor = new ThreadExecutor();
3500	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3501	>	try {
3502	>	f.join();
3503	>	shouldThrow();
3504	>	} catch (CompletionException success) {}
3505	>	checkCompletedWithWrappedException(f, ex);
3506	>	assertEquals(1, executor.count.get());
3507	>	}
3508	>
3509	>	/**
3510	>	* orTimeout completes with TimeoutException if not complete
3511	>	*/
3512	>	public void testOrTimeout_timesOut() {
3513	>	long timeoutMillis = timeoutMillis();
3514	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3515	>	long startTime = System.nanoTime();
3516	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3517	>	checkCompletedWithTimeoutException(f);
3518	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3519	>	}
3520	>
3521	>	/**
3522	>	* orTimeout completes normally if completed before timeout
3523	>	*/
3524	>	public void testOrTimeout_completed() {
3525	>	for (Integer v1 : new Integer[] { 1, null })
3526	>	{
3527	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3528	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3529	>	long startTime = System.nanoTime();
3530	>	f.complete(v1);
3531	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3532	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3533	>	g.complete(v1);
3534	>	checkCompletedNormally(f, v1);
3535	>	checkCompletedNormally(g, v1);
3536	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3537	>	}}
3538	>
3539	>	/**
3540	>	* completeOnTimeout completes with given value if not complete
3541	>	*/
3542	>	public void testCompleteOnTimeout_timesOut() {
3543	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3544	>	() -> testCompleteOnTimeout_timesOut(null));
3545	>	}
3546	>
3547	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3548	>	long timeoutMillis = timeoutMillis();
3549	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3550	>	long startTime = System.nanoTime();
3551	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3552	>	assertSame(v, f.join());
3553	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3554	>	f.complete(99);         // should have no effect
3555	>	checkCompletedNormally(f, v);
3556	>	}
3557	>
3558	>	/**
3559	>	* completeOnTimeout has no effect if completed within timeout
3560	>	*/
3561	>	public void testCompleteOnTimeout_completed() {
3562	>	for (Integer v1 : new Integer[] { 1, null })
3563	>	{
3564	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3565	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3566	>	long startTime = System.nanoTime();
3567	>	f.complete(v1);
3568	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3569	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3570	>	g.complete(v1);
3571	>	checkCompletedNormally(f, v1);
3572	>	checkCompletedNormally(g, v1);
3573	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3574	>	}}
3575	>
3576	>	/**
3577	>	* delayedExecutor returns an executor that delays submission
3578	>	*/
3579	>	public void testDelayedExecutor() {
3580	>	testInParallel(() -> testDelayedExecutor(null, null),
3581	>	() -> testDelayedExecutor(null, 1),
3582	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3583	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3584	>	}
3585	>
3586	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3587	>	long timeoutMillis = timeoutMillis();
3588	>	// Use an "unreasonably long" long timeout to catch lingering threads
3589	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3590	>	final Executor delayer, longDelayer;
3591	>	if (executor == null) {
3592	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3593	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3594	>	} else {
3595	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3596	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3597	>	}
3598	>	long startTime = System.nanoTime();
3599	>	CompletableFuture<Integer> f =
3600	>	CompletableFuture.supplyAsync(() -> v, delayer);
3601	>	CompletableFuture<Integer> g =
3602	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3603
3604	<	/**
2216	<	* runAfterEitherAsync result completes normally after normal
2217	<	* completion of sources
2218	<	*/
2219	<	public void testRunAfterEitherAsyncE() {
2220	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2221	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2222	<	Noop r = new Noop();
2223	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2224	<	f.complete(one);
2225	<	checkCompletedNormally(g, null);
2226	<	assertTrue(r.ran);
3604	>	assertNull(g.getNow(null));
3605
3606	<	r = new Noop();
3607	<	f = new CompletableFuture<Integer>();
3608	<	f.complete(one);
3609	<	f2 = new CompletableFuture<Integer>();
2232	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2233	<	checkCompletedNormally(g, null);
2234	<	assertTrue(r.ran);
2235	<	}
3606	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3607	>	long millisElapsed = millisElapsedSince(startTime);
3608	>	assertTrue(millisElapsed >= timeoutMillis);
3609	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3610
3611	<	/**
2238	<	* runAfterEitherAsync result completes exceptionally after exceptional
2239	<	* completion of source
2240	<	*/
2241	<	public void testRunAfterEitherAsync2E() {
2242	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2243	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2244	<	Noop r = new Noop();
2245	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2246	<	f.completeExceptionally(new CFException());
2247	<	checkCompletedWithWrappedCFException(g);
3611	>	checkCompletedNormally(f, v);
3612
3613	<	r = new Noop();
3614	<	f = new CompletableFuture<Integer>();
2251	<	f2 = new CompletableFuture<Integer>();
2252	<	f2.completeExceptionally(new CFException());
2253	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2254	<	f.complete(one);
2255	<	checkCompletedWithWrappedCFException(g);
3613	>	checkIncomplete(g);
3614	>	assertTrue(g.cancel(true));
3615		}
3616
3617	<	/**
2259	<	* runAfterEitherAsync result completes exceptionally if action does
2260	<	*/
2261	<	public void testRunAfterEitherAsync3E() {
2262	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2263	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2264	<	FailingNoop r = new FailingNoop();
2265	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2266	<	f.complete(one);
2267	<	checkCompletedWithWrappedCFException(g);
2268	<	}
3617	>	//--- tests of implementation details; not part of official tck ---
3618
3619	<	/**
3620	<	* runAfterEitherAsync result completes exceptionally if either
3621	<	* source cancelled
3622	<	*/
3623	<	public void testRunAfterEitherAsync4E() {
3624	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3625	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3626	<	Noop r = new Noop();
3627	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3628	<	assertTrue(f.cancel(true));
3629	<	checkCompletedWithWrappedCancellationException(g);
3630	<
3631	<	r = new Noop();
3632	<	f = new CompletableFuture<Integer>();
3633	<	f2 = new CompletableFuture<Integer>();
3634	<	assertTrue(f2.cancel(true));
3635	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3636	<	checkCompletedWithWrappedCancellationException(g);
3637	<	}
3619	>	Object resultOf(CompletableFuture<?> f) {
3620	>	try {
3621	>	java.lang.reflect.Field resultField
3622	>	= CompletableFuture.class.getDeclaredField("result");
3623	>	resultField.setAccessible(true);
3624	>	return resultField.get(f);
3625	>	} catch (Throwable t) { throw new AssertionError(t); }
3626	>	}
3627	>
3628	>	public void testExceptionPropagationReusesResultObject() {
3629	>	if (!testImplementationDetails) return;
3630	>	for (ExecutionMode m : ExecutionMode.values())
3631	>	{
3632	>	final CFException ex = new CFException();
3633	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3634	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3635	>
3636	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3637	>	= new ArrayList<>();
3638	>
3639	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3640	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3641	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3642	>
3643	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3644	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3645	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3646	>
3647	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3648	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3649	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3650	>
3651	>	funs.add((y) -> m.whenComplete(y, (Integer x, Throwable t) -> {}));
3652	>
3653	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3654	>
3655	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3656	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3657	>
3658	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3659	>	fun : funs) {
3660	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3661	>	f.completeExceptionally(ex);
3662	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3663	>	checkCompletedWithWrappedException(src, ex);
3664	>	CompletableFuture<?> dep = fun.apply(src);
3665	>	checkCompletedWithWrappedException(dep, ex);
3666	>	assertSame(resultOf(src), resultOf(dep));
3667	>	}
3668
3669	<	/**
3670	<	* thenComposeAsync result completes normally after normal
3671	<	* completion of source
3672	<	*/
3673	<	public void testThenComposeAsyncE() {
3674	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3675	<	CompletableFutureInc r = new CompletableFutureInc();
3676	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3677	<	f.complete(one);
3678	<	checkCompletedNormally(g, two);
2300	<	}
3669	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3670	>	fun : funs) {
3671	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3672	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3673	>	CompletableFuture<?> dep = fun.apply(src);
3674	>	f.completeExceptionally(ex);
3675	>	checkCompletedWithWrappedException(src, ex);
3676	>	checkCompletedWithWrappedException(dep, ex);
3677	>	assertSame(resultOf(src), resultOf(dep));
3678	>	}
3679
3680	<	/**
3681	<	* thenComposeAsync result completes exceptionally after
3682	<	* exceptional completion of source
3683	<	*/
3684	<	public void testThenComposeAsync2E() {
3685	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3686	<	CompletableFutureInc r = new CompletableFutureInc();
3687	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3688	<	f.completeExceptionally(new CFException());
3689	<	checkCompletedWithWrappedCFException(g);
3690	<	}
3680	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3681	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3682	>	fun : funs) {
3683	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3684	>	f.cancel(mayInterruptIfRunning);
3685	>	checkCancelled(f);
3686	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3687	>	checkCompletedWithWrappedCancellationException(src);
3688	>	CompletableFuture<?> dep = fun.apply(src);
3689	>	checkCompletedWithWrappedCancellationException(dep);
3690	>	assertSame(resultOf(src), resultOf(dep));
3691	>	}
3692
3693	<	/**
3694	<	* thenComposeAsync result completes exceptionally if action does
3695	<	*/
3696	<	public void testThenComposeAsync3E() {
3697	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3698	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3699	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3700	<	f.complete(one);
3701	<	checkCompletedWithWrappedCFException(g);
3702	<	}
3693	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3694	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3695	>	fun : funs) {
3696	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3697	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3698	>	CompletableFuture<?> dep = fun.apply(src);
3699	>	f.cancel(mayInterruptIfRunning);
3700	>	checkCancelled(f);
3701	>	checkCompletedWithWrappedCancellationException(src);
3702	>	checkCompletedWithWrappedCancellationException(dep);
3703	>	assertSame(resultOf(src), resultOf(dep));
3704	>	}
3705	>	}}
3706
3707		/**
3708	<	* thenComposeAsync result completes exceptionally if source cancelled
3708	>	* Minimal completion stages throw UOE for all non-CompletionStage methods
3709		*/
3710	<	public void testThenComposeAsync4E() {
3711	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3712	<	CompletableFutureInc r = new CompletableFutureInc();
3713	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3714	<	assertTrue(f.cancel(true));
3715	<	checkCompletedWithWrappedCancellationException(g);
3710	>	public void testMinimalCompletionStage_minimality() {
3711	>	if (!testImplementationDetails) return;
3712	>	Function<Method, String> toSignature =
3713	>	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3714	>	Predicate<Method> isNotStatic =
3715	>	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3716	>	List<Method> minimalMethods =
3717	>	Stream.of(Object.class, CompletionStage.class)
3718	>	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3719	>	.filter(isNotStatic)
3720	>	.collect(Collectors.toList());
3721	>	// Methods from CompletableFuture permitted NOT to throw UOE
3722	>	String[] signatureWhitelist = {
3723	>	"newIncompleteFuture[]",
3724	>	"defaultExecutor[]",
3725	>	"minimalCompletionStage[]",
3726	>	"copy[]",
3727	>	};
3728	>	Set<String> permittedMethodSignatures =
3729	>	Stream.concat(minimalMethods.stream().map(toSignature),
3730	>	Stream.of(signatureWhitelist))
3731	>	.collect(Collectors.toSet());
3732	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3733	>	.filter(isNotStatic)
3734	>	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3735	>	.collect(Collectors.toList());
3736	>
3737	>	CompletionStage<Integer> minimalStage =
3738	>	new CompletableFuture<Integer>().minimalCompletionStage();
3739	>
3740	>	List<Method> bugs = new ArrayList<>();
3741	>	for (Method method : allMethods) {
3742	>	Class<?>[] parameterTypes = method.getParameterTypes();
3743	>	Object[] args = new Object[parameterTypes.length];
3744	>	// Manufacture boxed primitives for primitive params
3745	>	for (int i = 0; i < args.length; i++) {
3746	>	Class<?> type = parameterTypes[i];
3747	>	if (parameterTypes[i] == boolean.class)
3748	>	args[i] = false;
3749	>	else if (parameterTypes[i] == int.class)
3750	>	args[i] = 0;
3751	>	else if (parameterTypes[i] == long.class)
3752	>	args[i] = 0L;
3753	>	}
3754	>	try {
3755	>	method.invoke(minimalStage, args);
3756	>	bugs.add(method);
3757	>	}
3758	>	catch (java.lang.reflect.InvocationTargetException expected) {
3759	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3760	>	bugs.add(method);
3761	>	// expected.getCause().printStackTrace();
3762	>	}
3763	>	}
3764	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3765	>	}
3766	>	if (!bugs.isEmpty())
3767	>	throw new Error("Methods did not throw UOE: " + bugs.toString());
3768		}
3769
3770	<	// other static methods
3771	<
3772	<	/**
3773	<	* allOf(no component futures) returns a future completed normally
3774	<	* with the value null
3775	<	*/
3776	<	public void testAllOf_empty() throws Exception {
3777	<	CompletableFuture<?> f = CompletableFuture.allOf();
3778	<	checkCompletedNormally(f, null);
3779	<	}
3770	>	static class Monad {
3771	>	static class ZeroException extends RuntimeException {
3772	>	public ZeroException() { super("monadic zero"); }
3773	>	}
3774	>	// "return", "unit"
3775	>	static <T> CompletableFuture<T> unit(T value) {
3776	>	return completedFuture(value);
3777	>	}
3778	>	// monadic zero ?
3779	>	static <T> CompletableFuture<T> zero() {
3780	>	return failedFuture(new ZeroException());
3781	>	}
3782	>	// >=>
3783	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
3784	>	(Function<T, CompletableFuture<U>> f,
3785	>	Function<U, CompletableFuture<V>> g) {
3786	>	return (x) -> f.apply(x).thenCompose(g);
3787	>	}
3788
3789	<	/**
3790	<	* allOf returns a future completed when all components complete
3791	<	*/
3792	<	public void testAllOf() throws Exception {
3793	<	for (int k = 1; k < 20; ++k) {
3794	<	CompletableFuture[] fs = new CompletableFuture[k];
2353	<	for (int i = 0; i < k; ++i)
2354	<	fs[i] = new CompletableFuture<Integer>();
2355	<	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
2356	<	for (int i = 0; i < k; ++i) {
2357	<	checkIncomplete(f);
2358	<	fs[i].complete(one);
3789	>	static void assertZero(CompletableFuture<?> f) {
3790	>	try {
3791	>	f.getNow(null);
3792	>	throw new AssertionFailedError("should throw");
3793	>	} catch (CompletionException success) {
3794	>	assertTrue(success.getCause() instanceof ZeroException);
3795		}
2360	–	checkCompletedNormally(f, null);
3796		}
2362	–	}
3797
3798	<	/**
3799	<	* anyOf(no component futures) returns an incomplete future
3800	<	*/
3801	<	public void testAnyOf_empty() throws Exception {
3802	<	CompletableFuture<?> f = CompletableFuture.anyOf();
3803	<	checkIncomplete(f);
3804	<	}
3798	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
3799	>	CompletableFuture<T> g) {
3800	>	T fval = null, gval = null;
3801	>	Throwable fex = null, gex = null;
3802	>
3803	>	try { fval = f.get(); }
3804	>	catch (ExecutionException ex) { fex = ex.getCause(); }
3805	>	catch (Throwable ex) { fex = ex; }
3806	>
3807	>	try { gval = g.get(); }
3808	>	catch (ExecutionException ex) { gex = ex.getCause(); }
3809	>	catch (Throwable ex) { gex = ex; }
3810	>
3811	>	if (fex != null || gex != null)
3812	>	assertSame(fex.getClass(), gex.getClass());
3813	>	else
3814	>	assertEquals(fval, gval);
3815	>	}
3816
3817	<	/**
3818	<	* allOf returns a future completed when any components complete
3819	<	*/
3820	<	public void testAnyOf() throws Exception {
3821	<	for (int k = 1; k < 20; ++k) {
3822	<	CompletableFuture[] fs = new CompletableFuture[k];
3823	<	for (int i = 0; i < k; ++i)
3824	<	fs[i] = new CompletableFuture<Integer>();
3825	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3826	<	checkIncomplete(f);
3827	<	for (int i = 0; i < k; ++i) {
3828	<	fs[i].complete(one);
3829	<	checkCompletedNormally(f, one);
3830	<	}
3817	>	static class PlusFuture<T> extends CompletableFuture<T> {
3818	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3819	>	}
3820	>
3821	>	// Monadic "plus"
3822	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3823	>	CompletableFuture<? extends T> g) {
3824	>	PlusFuture<T> plus = new PlusFuture<T>();
3825	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3826	>	if (ex == null) {
3827	>	if (plus.complete(result))
3828	>	if (plus.firstFailure.get() != null)
3829	>	plus.firstFailure.set(null);
3830	>	}
3831	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
3832	>	if (plus.isDone())
3833	>	plus.firstFailure.set(null);
3834	>	}
3835	>	else {
3836	>	// first failure has precedence
3837	>	Throwable first = plus.firstFailure.getAndSet(null);
3838	>
3839	>	// may fail with "Self-suppression not permitted"
3840	>	try { first.addSuppressed(ex); }
3841	>	catch (Exception ignored) {}
3842	>
3843	>	plus.completeExceptionally(first);
3844	>	}
3845	>	};
3846	>	f.whenComplete(action);
3847	>	g.whenComplete(action);
3848	>	return plus;
3849		}
3850		}
3851
3852		/**
3853	<	* Completion methods throw NullPointerException with null arguments
3853	>	* CompletableFuture is an additive monad - sort of.
3854	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3855		*/
3856	<	public void testNPE() {
3857	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3858	<	CompletableFuture<Integer> g = new CompletableFuture<Integer>();
3859	<	CompletableFuture h;
3860	<	Runnable[] actions = {
3861	<	() => f.thenApply(null),
3862	<	}
3863	<	try { h = f.thenApply(null); } catch (NullPointerException ok) {}
3864	<	try { h = f.thenAccept(null); } catch (NullPointerException ok) {}
3865	<	try { h = f.thenRun(null); } catch (NullPointerException ok) {}
3866	<	try { h = f.thenCombine(g, null); } catch (NullPointerException ok) {}
3867	<	try { h = f.thenCombine(null, null); } catch (NullPointerException ok) {}
3868	<	try { h = f.applyToEither(g, null); } catch (NullPointerException ok) {}
3869	<	try { h = f.applyToEither(null, null); } catch (NullPointerException ok) {}
3870	<	try { h = f.thenAcceptBoth(g, null); } catch (NullPointerException ok) {}
3871	<	try { h = f.thenAcceptBoth(null, null); } catch (NullPointerException ok) {}
3872	<	try { h = f.runAfterEither(g, null); } catch (NullPointerException ok) {}
3873	<	try { h = f.runAfterEither(null, null); } catch (NullPointerException ok) {}
3874	<	try { h = f.runAfterBoth(g, null); } catch (NullPointerException ok) {}
3875	<	try { h = f.runAfterBoth(null, null); } catch (NullPointerException ok) {}
3876	<	try { h = f.exceptionally(null); } catch (NullPointerException ok) {}
3877	<	try { h = f.handle(null); } catch (NullPointerException ok) {}
3878	<	try { h = f.thenCompose(null); } catch (NullPointerException ok) {}
3879	<
3880	<	try { h = f.thenApplyAsync(null); } catch (NullPointerException ok) {}
3881	<	try { h = f.thenAcceptAsync(null); } catch (NullPointerException ok) {}
3882	<	try { h = f.thenRunAsync(null); } catch (NullPointerException ok) {}
3883	<	try { h = f.thenCombineAsync(g, null); } catch (NullPointerException ok) {}
3884	<	try { h = f.thenCombineAsync(null, null); } catch (NullPointerException ok) {}
3885	<	try { h = f.applyToEitherAsync(g, null); } catch (NullPointerException ok) {}
3886	<	try { h = f.applyToEitherAsync(null, null); } catch (NullPointerException ok) {}
3887	<	try { h = f.thenAcceptBothAsync(g, null); } catch (NullPointerException ok) {}
3888	<	try { h = f.thenAcceptBothAsync(null, null); } catch (NullPointerException ok) {}
3889	<	try { h = f.runAfterEitherAsync(g, null); } catch (NullPointerException ok) {}
3890	<	try { h = f.runAfterEitherAsync(null, null); } catch (NullPointerException ok) {}
3891	<	try { h = f.runAfterBothAsync(g, null); } catch (NullPointerException ok) {}
3892	<	try { h = f.runAfterBothAsync(null, null); } catch (NullPointerException ok) {}
3893	<
3894	<	}
3856	>	public void testAdditiveMonad() throws Throwable {
3857	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3858	>	CompletableFuture<Long> zero = Monad.zero();
3859	>
3860	>	// Some mutually non-commutative functions
3861	>	Function<Long, CompletableFuture<Long>> triple
3862	>	= (x) -> Monad.unit(3 * x);
3863	>	Function<Long, CompletableFuture<Long>> inc
3864	>	= (x) -> Monad.unit(x + 1);
3865	>
3866	>	// unit is a right identity: m >>= unit === m
3867	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3868	>	inc.apply(5L));
3869	>	// unit is a left identity: (unit x) >>= f === f x
3870	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3871	>	inc.apply(5L));
3872	>
3873	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3874	>	Monad.assertFutureEquals(
3875	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3876	>	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3877	>
3878	>	// The case for CompletableFuture as an additive monad is weaker...
3879	>
3880	>	// zero is a monadic zero
3881	>	Monad.assertZero(zero);
3882	>
3883	>	// left zero: zero >>= f === zero
3884	>	Monad.assertZero(zero.thenCompose(inc));
3885	>	// right zero: f >>= (\x -> zero) === zero
3886	>	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3887	>
3888	>	// f plus zero === f
3889	>	Monad.assertFutureEquals(Monad.unit(5L),
3890	>	Monad.plus(Monad.unit(5L), zero));
3891	>	// zero plus f === f
3892	>	Monad.assertFutureEquals(Monad.unit(5L),
3893	>	Monad.plus(zero, Monad.unit(5L)));
3894	>	// zero plus zero === zero
3895	>	Monad.assertZero(Monad.plus(zero, zero));
3896	>	{
3897	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3898	>	Monad.unit(8L));
3899	>	// non-determinism
3900	>	assertTrue(f.get() == 5L || f.get() == 8L);
3901	>	}
3902
3903	+	CompletableFuture<Long> godot = new CompletableFuture<>();
3904	+	// f plus godot === f (doesn't wait for godot)
3905	+	Monad.assertFutureEquals(Monad.unit(5L),
3906	+	Monad.plus(Monad.unit(5L), godot));
3907	+	// godot plus f === f (doesn't wait for godot)
3908	+	Monad.assertFutureEquals(Monad.unit(5L),
3909	+	Monad.plus(godot, Monad.unit(5L)));
3910	+	}
3911	+
3912	+	//     static <U> U join(CompletionStage<U> stage) {
3913	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3914	+	//         stage.whenComplete((v, ex) -> {
3915	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3916	+	//         });
3917	+	//         return f.join();
3918	+	//     }
3919	+
3920	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
3921	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3922	+	//         stage.whenComplete((v, ex) -> {
3923	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3924	+	//         });
3925	+	//         return f.isDone();
3926	+	//     }
3927	+
3928	+	//     static <U> U join2(CompletionStage<U> stage) {
3929	+	//         return stage.toCompletableFuture().copy().join();
3930	+	//     }
3931	+
3932	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3933	+	//         return stage.toCompletableFuture().copy().isDone();
3934	+	//     }
3935
3936		}

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