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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.34 by jsr166, Sun Jun 1 21:17:05 2014 UTC vs.
Revision 1.182 by jsr166, Tue Jan 3 03:18:02 2017 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28	+	import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33	+	import java.util.concurrent.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
22	<	import static java.util.concurrent.TimeUnit.SECONDS;
23	<	import java.util.*;
24	<	import java.util.function.Supplier;
25	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
27	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.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	<	try {
76	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
59	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
79		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 72 | Line 89 | public class CompletableFutureTest exten
89		assertTrue(f.toString().contains("[Completed normally]"));
90		}
91
92	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
93	<	try {
94	<	f.get(LONG_DELAY_MS, MILLISECONDS);
95	<	shouldThrow();
96	<	} catch (ExecutionException success) {
97	<	assertTrue(success.getCause() instanceof CFException);
98	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
99	<	try {
100	<	f.join();
101	<	shouldThrow();
102	<	} catch (CompletionException success) {
103	<	assertTrue(success.getCause() instanceof CFException);
104	<	}
105	<	try {
106	<	f.getNow(null);
107	<	shouldThrow();
108	<	} catch (CompletionException success) {
92	<	assertTrue(success.getCause() instanceof CFException);
92	>	/**
93	>	* Returns the "raw" internal exceptional completion of f,
94	>	* without any additional wrapping with CompletionException.
95	>	*/
96	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
97	>	// handle (and whenComplete and exceptionally) can distinguish
98	>	// between "direct" and "wrapped" exceptional completion
99	>	return f.handle((u, t) -> t).join();
100	>	}
101	>
102	>	void checkCompletedExceptionally(CompletableFuture<?> f,
103	>	boolean wrapped,
104	>	Consumer<Throwable> checker) {
105	>	Throwable cause = exceptionalCompletion(f);
106	>	if (wrapped) {
107	>	assertTrue(cause instanceof CompletionException);
108	>	cause = cause.getCause();
109		}
110	<	try {
95	<	f.get();
96	<	shouldThrow();
97	<	} catch (ExecutionException success) {
98	<	assertTrue(success.getCause() instanceof CFException);
99	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
100	<	assertTrue(f.isDone());
101	<	assertFalse(f.isCancelled());
102	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
103	<	}
110	>	checker.accept(cause);
111
112	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
106	<	CFException ex) {
112	>	long startTime = System.nanoTime();
113		try {
114		f.get(LONG_DELAY_MS, MILLISECONDS);
115		shouldThrow();
116		} catch (ExecutionException success) {
117	<	assertSame(ex, success.getCause());
117	>	assertSame(cause, success.getCause());
118		} catch (Throwable fail) { threadUnexpectedException(fail); }
119	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
120	+
121		try {
122		f.join();
123		shouldThrow();
124		} catch (CompletionException success) {
125	<	assertSame(ex, success.getCause());
126	<	}
125	>	assertSame(cause, success.getCause());
126	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
127	>
128		try {
129		f.getNow(null);
130		shouldThrow();
131		} catch (CompletionException success) {
132	<	assertSame(ex, success.getCause());
133	<	}
132	>	assertSame(cause, success.getCause());
133	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
134	>
135		try {
136		f.get();
137		shouldThrow();
138		} catch (ExecutionException success) {
139	<	assertSame(ex, success.getCause());
139	>	assertSame(cause, success.getCause());
140		} catch (Throwable fail) { threadUnexpectedException(fail); }
141	<	assertTrue(f.isDone());
141	>
142		assertFalse(f.isCancelled());
143	+	assertTrue(f.isDone());
144	+	assertTrue(f.isCompletedExceptionally());
145		assertTrue(f.toString().contains("[Completed exceptionally]"));
146		}
147
148	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
149	+	checkCompletedExceptionally(f, true,
150	+	t -> assertTrue(t instanceof CFException));
151	+	}
152	+
153	+	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
154	+	checkCompletedExceptionally(f, true,
155	+	t -> assertTrue(t instanceof CancellationException));
156	+	}
157	+
158	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
159	+	checkCompletedExceptionally(f, false,
160	+	t -> assertTrue(t instanceof TimeoutException));
161	+	}
162	+
163	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
164	+	Throwable ex) {
165	+	checkCompletedExceptionally(f, true, t -> assertSame(t, ex));
166	+	}
167	+
168	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
169	+	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
170	+	}
171	+
172		void checkCancelled(CompletableFuture<?> f) {
173	+	long startTime = System.nanoTime();
174		try {
175		f.get(LONG_DELAY_MS, MILLISECONDS);
176		shouldThrow();
177		} catch (CancellationException success) {
178		} catch (Throwable fail) { threadUnexpectedException(fail); }
179	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
180	+
181		try {
182		f.join();
183		shouldThrow();
#	Line 152 | Line 191 | public class CompletableFutureTest exten
191		shouldThrow();
192		} catch (CancellationException success) {
193		} catch (Throwable fail) { threadUnexpectedException(fail); }
155	–	assertTrue(f.isDone());
156	–	assertTrue(f.isCompletedExceptionally());
157	–	assertTrue(f.isCancelled());
158	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
159	–	}
194
195	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
196	<	try {
163	<	f.get(LONG_DELAY_MS, MILLISECONDS);
164	<	shouldThrow();
165	<	} catch (ExecutionException success) {
166	<	assertTrue(success.getCause() instanceof CancellationException);
167	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
168	<	try {
169	<	f.join();
170	<	shouldThrow();
171	<	} catch (CompletionException success) {
172	<	assertTrue(success.getCause() instanceof CancellationException);
173	<	}
174	<	try {
175	<	f.getNow(null);
176	<	shouldThrow();
177	<	} catch (CompletionException success) {
178	<	assertTrue(success.getCause() instanceof CancellationException);
179	<	}
180	<	try {
181	<	f.get();
182	<	shouldThrow();
183	<	} catch (ExecutionException success) {
184	<	assertTrue(success.getCause() instanceof CancellationException);
185	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
195	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
196	>
197		assertTrue(f.isDone());
187	–	assertFalse(f.isCancelled());
198		assertTrue(f.isCompletedExceptionally());
199	+	assertTrue(f.isCancelled());
200		assertTrue(f.toString().contains("[Completed exceptionally]"));
201		}
202
#	Line 203 | Line 214 | public class CompletableFutureTest exten
214		* isCancelled, join, get, and getNow
215		*/
216		public void testComplete() {
217	+	for (Integer v1 : new Integer[] { 1, null })
218	+	{
219		CompletableFuture<Integer> f = new CompletableFuture<>();
220		checkIncomplete(f);
221	<	f.complete(one);
222	<	checkCompletedNormally(f, one);
223	<	}
221	>	assertTrue(f.complete(v1));
222	>	assertFalse(f.complete(v1));
223	>	checkCompletedNormally(f, v1);
224	>	}}
225
226		/**
227		* completeExceptionally completes exceptionally, as indicated by
#	Line 215 | Line 229 | public class CompletableFutureTest exten
229		*/
230		public void testCompleteExceptionally() {
231		CompletableFuture<Integer> f = new CompletableFuture<>();
232	+	CFException ex = new CFException();
233		checkIncomplete(f);
234	<	f.completeExceptionally(new CFException());
235	<	checkCompletedWithWrappedCFException(f);
234	>	f.completeExceptionally(ex);
235	>	checkCompletedExceptionally(f, ex);
236		}
237
238		/**
#	Line 225 | Line 240 | public class CompletableFutureTest exten
240		* methods isDone, isCancelled, join, get, and getNow
241		*/
242		public void testCancel() {
243	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
244	+	{
245		CompletableFuture<Integer> f = new CompletableFuture<>();
246		checkIncomplete(f);
247	<	assertTrue(f.cancel(true));
247	>	assertTrue(f.cancel(mayInterruptIfRunning));
248	>	assertTrue(f.cancel(mayInterruptIfRunning));
249	>	assertTrue(f.cancel(!mayInterruptIfRunning));
250		checkCancelled(f);
251	<	}
251	>	}}
252
253		/**
254		* obtrudeValue forces completion with given value
#	Line 237 | Line 256 | public class CompletableFutureTest exten
256		public void testObtrudeValue() {
257		CompletableFuture<Integer> f = new CompletableFuture<>();
258		checkIncomplete(f);
259	<	f.complete(one);
259	>	assertTrue(f.complete(one));
260		checkCompletedNormally(f, one);
261		f.obtrudeValue(three);
262		checkCompletedNormally(f, three);
#	Line 246 | Line 265 | public class CompletableFutureTest exten
265		f = new CompletableFuture<>();
266		f.obtrudeValue(three);
267		checkCompletedNormally(f, three);
268	+	f.obtrudeValue(null);
269	+	checkCompletedNormally(f, null);
270		f = new CompletableFuture<>();
271		f.completeExceptionally(new CFException());
272		f.obtrudeValue(four);
#	Line 256 | Line 277 | public class CompletableFutureTest exten
277		* obtrudeException forces completion with given exception
278		*/
279		public void testObtrudeException() {
280	<	CompletableFuture<Integer> f = new CompletableFuture<>();
281	<	checkIncomplete(f);
282	<	f.complete(one);
283	<	checkCompletedNormally(f, one);
284	<	f.obtrudeException(new CFException());
264	<	checkCompletedWithWrappedCFException(f);
280	>	for (Integer v1 : new Integer[] { 1, null })
281	>	{
282	>	CFException ex;
283	>	CompletableFuture<Integer> f;
284	>
285		f = new CompletableFuture<>();
286	<	f.obtrudeException(new CFException());
287	<	checkCompletedWithWrappedCFException(f);
286	>	assertTrue(f.complete(v1));
287	>	for (int i = 0; i < 2; i++) {
288	>	f.obtrudeException(ex = new CFException());
289	>	checkCompletedExceptionally(f, ex);
290	>	}
291	>
292	>	f = new CompletableFuture<>();
293	>	for (int i = 0; i < 2; i++) {
294	>	f.obtrudeException(ex = new CFException());
295	>	checkCompletedExceptionally(f, ex);
296	>	}
297	>
298		f = new CompletableFuture<>();
299	+	f.completeExceptionally(ex = new CFException());
300	+	f.obtrudeValue(v1);
301	+	checkCompletedNormally(f, v1);
302	+	f.obtrudeException(ex = new CFException());
303	+	checkCompletedExceptionally(f, ex);
304		f.completeExceptionally(new CFException());
305	<	f.obtrudeValue(four);
306	<	checkCompletedNormally(f, four);
307	<	f.obtrudeException(new CFException());
308	<	checkCompletedWithWrappedCFException(f);
274	<	}
305	>	checkCompletedExceptionally(f, ex);
306	>	assertFalse(f.complete(v1));
307	>	checkCompletedExceptionally(f, ex);
308	>	}}
309
310		/**
311		* getNumberOfDependents returns number of dependent tasks
312		*/
313		public void testGetNumberOfDependents() {
314	+	for (ExecutionMode m : ExecutionMode.values())
315	+	for (Integer v1 : new Integer[] { 1, null })
316	+	{
317		CompletableFuture<Integer> f = new CompletableFuture<>();
318	<	assertEquals(f.getNumberOfDependents(), 0);
319	<	CompletableFuture g = f.thenRun(new Noop());
320	<	assertEquals(f.getNumberOfDependents(), 1);
321	<	assertEquals(g.getNumberOfDependents(), 0);
322	<	CompletableFuture h = f.thenRun(new Noop());
323	<	assertEquals(f.getNumberOfDependents(), 2);
324	<	f.complete(1);
318	>	assertEquals(0, f.getNumberOfDependents());
319	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
320	>	assertEquals(1, f.getNumberOfDependents());
321	>	assertEquals(0, g.getNumberOfDependents());
322	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
323	>	assertEquals(2, f.getNumberOfDependents());
324	>	assertEquals(0, h.getNumberOfDependents());
325	>	assertTrue(f.complete(v1));
326		checkCompletedNormally(g, null);
327	<	assertEquals(f.getNumberOfDependents(), 0);
328	<	assertEquals(g.getNumberOfDependents(), 0);
329	<	}
327	>	checkCompletedNormally(h, null);
328	>	assertEquals(0, f.getNumberOfDependents());
329	>	assertEquals(0, g.getNumberOfDependents());
330	>	assertEquals(0, h.getNumberOfDependents());
331	>	}}
332
333		/**
334		* toString indicates current completion state
#	Line 299 | 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 315 | Line 361 | public class CompletableFutureTest exten
361		checkCompletedNormally(f, "test");
362		}
363
364	<	// Choose non-commutative actions for better coverage
365	<
366	<	static final Supplier<Integer> supplyOne =
367	<	() -> Integer.valueOf(1);
368	<	static final Function<Integer, Integer> inc =
369	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
370	<	static final BiFunction<Integer, Integer, Integer> subtract =
325	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
326	<	static final class IncAction implements Consumer<Integer> {
327	<	int value;
328	<	public void accept(Integer x) { value = x.intValue() + 1; }
329	<	}
330	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
331	<	int value;
332	<	public void accept(Integer x, Integer y) {
333	<	value = x.intValue() - y.intValue();
364	>	abstract static class CheckedAction {
365	>	int invocationCount = 0;
366	>	final ExecutionMode m;
367	>	CheckedAction(ExecutionMode m) { this.m = m; }
368	>	void invoked() {
369	>	m.checkExecutionMode();
370	>	assertEquals(0, invocationCount++);
371		}
372	<	}
373	<	static final class Noop implements Runnable {
337	<	boolean ran;
338	<	public void run() { ran = true; }
372	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
373	>	void assertInvoked() { assertEquals(1, invocationCount); }
374		}
375
376	<	static final class FailingSupplier implements Supplier<Integer> {
377	<	boolean ran;
378	<	public Integer get() { ran = true; throw new CFException(); }
379	<	}
380	<	static final class FailingConsumer implements Consumer<Integer> {
381	<	boolean ran;
347	<	public void accept(Integer x) { ran = true; throw new CFException(); }
348	<	}
349	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
350	<	boolean ran;
351	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
352	<	}
353	<	static final class FailingFunction implements Function<Integer, Integer> {
354	<	boolean ran;
355	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
356	<	}
357	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
358	<	boolean ran;
359	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
360	<	}
361	<	static final class FailingNoop implements Runnable {
362	<	boolean ran;
363	<	public void run() { ran = true; throw new CFException(); }
364	<	}
365	<
366	<	static final class CompletableFutureInc
367	<	implements Function<Integer, CompletableFuture<Integer>> {
368	<	boolean ran;
369	<	public CompletableFuture<Integer> apply(Integer x) {
370	<	ran = true;
371	<	CompletableFuture<Integer> f = new CompletableFuture<>();
372	<	f.complete(Integer.valueOf(x.intValue() + 1));
373	<	return f;
376	>	abstract static class CheckedIntegerAction extends CheckedAction {
377	>	Integer value;
378	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
379	>	void assertValue(Integer expected) {
380	>	assertInvoked();
381	>	assertEquals(expected, value);
382		}
383		}
384
385	<	static final class FailingCompletableFutureFunction
386	<	implements Function<Integer, CompletableFuture<Integer>> {
387	<	boolean ran;
388	<	public CompletableFuture<Integer> apply(Integer x) {
389	<	ran = true; throw new CFException();
385	>	static class IntegerSupplier extends CheckedAction
386	>	implements Supplier<Integer>
387	>	{
388	>	final Integer value;
389	>	IntegerSupplier(ExecutionMode m, Integer value) {
390	>	super(m);
391	>	this.value = value;
392		}
393	<	}
394	<
395	<	// Used for explicit executor tests
386	<	static final class ThreadExecutor implements Executor {
387	<	AtomicInteger count = new AtomicInteger(0);
388	<
389	<	public void execute(Runnable r) {
390	<	count.getAndIncrement();
391	<	new Thread(r).start();
393	>	public Integer get() {
394	>	invoked();
395	>	return value;
396		}
397		}
398
399	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
400	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
399	>	// A function that handles and produces null values as well.
400	>	static Integer inc(Integer x) {
401	>	return (x == null) ? null : x + 1;
402		}
403
404	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
405	<	boolean ran;
406	<	public Integer apply(Integer x, Throwable t) {
407	<	ran = true;
408	<	return (t == null) ? two : three;
404	>	static class NoopConsumer extends CheckedIntegerAction
405	>	implements Consumer<Integer>
406	>	{
407	>	NoopConsumer(ExecutionMode m) { super(m); }
408	>	public void accept(Integer x) {
409	>	invoked();
410	>	value = x;
411		}
412		}
413
414	<	/**
415	<	* exceptionally action completes with function value on source
416	<	* exception; otherwise with source value
417	<	*/
418	<	public void testExceptionally() {
419	<	CompletableFuture<Integer> f = new CompletableFuture<>();
420	<	ExceptionToInteger r = new ExceptionToInteger();
421	<	CompletableFuture<Integer> g = f.exceptionally(r);
415	<	f.completeExceptionally(new CFException());
416	<	checkCompletedNormally(g, three);
417	<
418	<	f = new CompletableFuture<>();
419	<	r = new ExceptionToInteger();
420	<	g = f.exceptionally(r);
421	<	f.complete(one);
422	<	checkCompletedNormally(g, one);
423	<	}
424	<
425	<	/**
426	<	* handle action completes normally with function value on either
427	<	* normal or exceptional completion of source
428	<	*/
429	<	public void testHandle() {
430	<	CompletableFuture<Integer> f, g;
431	<	IntegerHandler r;
432	<
433	<	f = new CompletableFuture<>();
434	<	f.completeExceptionally(new CFException());
435	<	g = f.handle(r = new IntegerHandler());
436	<	assertTrue(r.ran);
437	<	checkCompletedNormally(g, three);
438	<
439	<	f = new CompletableFuture<>();
440	<	g = f.handle(r = new IntegerHandler());
441	<	assertFalse(r.ran);
442	<	f.completeExceptionally(new CFException());
443	<	checkCompletedNormally(g, three);
444	<	assertTrue(r.ran);
445	<
446	<	f = new CompletableFuture<>();
447	<	f.complete(one);
448	<	g = f.handle(r = new IntegerHandler());
449	<	assertTrue(r.ran);
450	<	checkCompletedNormally(g, two);
451	<
452	<	f = new CompletableFuture<>();
453	<	g = f.handle(r = new IntegerHandler());
454	<	assertFalse(r.ran);
455	<	f.complete(one);
456	<	assertTrue(r.ran);
457	<	checkCompletedNormally(g, two);
458	<	}
459	<
460	<	/**
461	<	* runAsync completes after running Runnable
462	<	*/
463	<	public void testRunAsync() {
464	<	Noop r = new Noop();
465	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
466	<	assertNull(f.join());
467	<	assertTrue(r.ran);
468	<	checkCompletedNormally(f, null);
469	<	}
470	<
471	<	/**
472	<	* runAsync with executor completes after running Runnable
473	<	*/
474	<	public void testRunAsync2() {
475	<	Noop r = new Noop();
476	<	ThreadExecutor exec = new ThreadExecutor();
477	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
478	<	assertNull(f.join());
479	<	assertTrue(r.ran);
480	<	checkCompletedNormally(f, null);
481	<	assertEquals(1, exec.count.get());
482	<	}
483	<
484	<	/**
485	<	* failing runAsync completes exceptionally after running Runnable
486	<	*/
487	<	public void testRunAsync3() {
488	<	FailingNoop r = new FailingNoop();
489	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
490	<	checkCompletedWithWrappedCFException(f);
491	<	assertTrue(r.ran);
492	<	}
493	<
494	<	/**
495	<	* supplyAsync completes with result of supplier
496	<	*/
497	<	public void testSupplyAsync() {
498	<	CompletableFuture<Integer> f;
499	<	f = CompletableFuture.supplyAsync(supplyOne);
500	<	assertEquals(f.join(), one);
501	<	checkCompletedNormally(f, one);
502	<	}
503	<
504	<	/**
505	<	* supplyAsync with executor completes with result of supplier
506	<	*/
507	<	public void testSupplyAsync2() {
508	<	CompletableFuture<Integer> f;
509	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
510	<	assertEquals(f.join(), one);
511	<	checkCompletedNormally(f, one);
512	<	}
513	<
514	<	/**
515	<	* Failing supplyAsync completes exceptionally
516	<	*/
517	<	public void testSupplyAsync3() {
518	<	FailingSupplier r = new FailingSupplier();
519	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
520	<	checkCompletedWithWrappedCFException(f);
521	<	assertTrue(r.ran);
522	<	}
523	<
524	<	// seq completion methods
525	<
526	<	/**
527	<	* thenRun result completes normally after normal completion of source
528	<	*/
529	<	public void testThenRun() {
530	<	CompletableFuture<Integer> f;
531	<	CompletableFuture<Void> g;
532	<	Noop r;
533	<
534	<	f = new CompletableFuture<>();
535	<	g = f.thenRun(r = new Noop());
536	<	f.complete(null);
537	<	checkCompletedNormally(g, null);
538	<	assertTrue(r.ran);
539	<
540	<	f = new CompletableFuture<>();
541	<	f.complete(null);
542	<	g = f.thenRun(r = new Noop());
543	<	checkCompletedNormally(g, null);
544	<	assertTrue(r.ran);
545	<	}
546	<
547	<	/**
548	<	* thenRun result completes exceptionally after exceptional
549	<	* completion of source
550	<	*/
551	<	public void testThenRun2() {
552	<	CompletableFuture<Integer> f;
553	<	CompletableFuture<Void> g;
554	<	Noop r;
555	<
556	<	f = new CompletableFuture<>();
557	<	g = f.thenRun(r = new Noop());
558	<	f.completeExceptionally(new CFException());
559	<	checkCompletedWithWrappedCFException(g);
560	<	assertFalse(r.ran);
561	<
562	<	f = new CompletableFuture<>();
563	<	f.completeExceptionally(new CFException());
564	<	g = f.thenRun(r = new Noop());
565	<	checkCompletedWithWrappedCFException(g);
566	<	assertFalse(r.ran);
567	<	}
568	<
569	<	/**
570	<	* thenRun result completes exceptionally if action does
571	<	*/
572	<	public void testThenRun3() {
573	<	CompletableFuture<Integer> f;
574	<	CompletableFuture<Void> g;
575	<	FailingNoop r;
576	<
577	<	f = new CompletableFuture<>();
578	<	g = f.thenRun(r = new FailingNoop());
579	<	f.complete(null);
580	<	checkCompletedWithWrappedCFException(g);
581	<
582	<	f = new CompletableFuture<>();
583	<	f.complete(null);
584	<	g = f.thenRun(r = new FailingNoop());
585	<	checkCompletedWithWrappedCFException(g);
586	<	}
587	<
588	<	/**
589	<	* thenRun result completes exceptionally if source cancelled
590	<	*/
591	<	public void testThenRun4() {
592	<	CompletableFuture<Integer> f;
593	<	CompletableFuture<Void> g;
594	<	Noop r;
595	<
596	<	f = new CompletableFuture<>();
597	<	g = f.thenRun(r = new Noop());
598	<	assertTrue(f.cancel(true));
599	<	checkCompletedWithWrappedCancellationException(g);
600	<
601	<	f = new CompletableFuture<>();
602	<	assertTrue(f.cancel(true));
603	<	g = f.thenRun(r = new Noop());
604	<	checkCompletedWithWrappedCancellationException(g);
605	<	}
606	<
607	<	/**
608	<	* thenApply result completes normally after normal completion of source
609	<	*/
610	<	public void testThenApply() {
611	<	CompletableFuture<Integer> f = new CompletableFuture<>();
612	<	CompletableFuture<Integer> g = f.thenApply(inc);
613	<	f.complete(one);
614	<	checkCompletedNormally(g, two);
414	>	static class IncFunction extends CheckedIntegerAction
415	>	implements Function<Integer,Integer>
416	>	{
417	>	IncFunction(ExecutionMode m) { super(m); }
418	>	public Integer apply(Integer x) {
419	>	invoked();
420	>	return value = inc(x);
421	>	}
422		}
423
424	<	/**
425	<	* thenApply result completes exceptionally after exceptional
426	<	* completion of source
427	<	*/
428	<	public void testThenApply2() {
429	<	CompletableFuture<Integer> f = new CompletableFuture<>();
623	<	CompletableFuture<Integer> g = f.thenApply(inc);
624	<	f.completeExceptionally(new CFException());
625	<	checkCompletedWithWrappedCFException(g);
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	<	/**
433	<	* thenApply result completes exceptionally if action does
434	<	*/
435	<	public void testThenApply3() {
436	<	CompletableFuture<Integer> f = new CompletableFuture<>();
437	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
438	<	f.complete(one);
439	<	checkCompletedWithWrappedCFException(g);
432	>	static class SubtractAction extends CheckedIntegerAction
433	>	implements BiConsumer<Integer, Integer>
434	>	{
435	>	SubtractAction(ExecutionMode m) { super(m); }
436	>	public void accept(Integer x, Integer y) {
437	>	invoked();
438	>	value = subtract(x, y);
439	>	}
440		}
441
442	<	/**
443	<	* thenApply result completes exceptionally if source cancelled
444	<	*/
445	<	public void testThenApply4() {
446	<	CompletableFuture<Integer> f = new CompletableFuture<>();
447	<	CompletableFuture<Integer> g = f.thenApply(inc);
448	<	assertTrue(f.cancel(true));
449	<	checkCompletedWithWrappedCancellationException(g);
442	>	static class SubtractFunction extends CheckedIntegerAction
443	>	implements BiFunction<Integer, Integer, Integer>
444	>	{
445	>	SubtractFunction(ExecutionMode m) { super(m); }
446	>	public Integer apply(Integer x, Integer y) {
447	>	invoked();
448	>	return value = subtract(x, y);
449	>	}
450		}
451
452	<	/**
453	<	* thenAccept result completes normally after normal completion of source
454	<	*/
455	<	public void testThenAccept() {
456	<	CompletableFuture<Integer> f = new CompletableFuture<>();
653	<	IncAction r = new IncAction();
654	<	CompletableFuture<Void> g = f.thenAccept(r);
655	<	f.complete(one);
656	<	checkCompletedNormally(g, null);
657	<	assertEquals(r.value, 2);
452	>	static class Noop extends CheckedAction implements Runnable {
453	>	Noop(ExecutionMode m) { super(m); }
454	>	public void run() {
455	>	invoked();
456	>	}
457		}
458
459	<	/**
460	<	* thenAccept result completes exceptionally after exceptional
461	<	* completion of source
462	<	*/
463	<	public void testThenAccept2() {
464	<	CompletableFuture<Integer> f = new CompletableFuture<>();
465	<	IncAction r = new IncAction();
466	<	CompletableFuture<Void> g = f.thenAccept(r);
467	<	f.completeExceptionally(new CFException());
669	<	checkCompletedWithWrappedCFException(g);
459	>	static class FailingSupplier extends CheckedAction
460	>	implements Supplier<Integer>
461	>	{
462	>	final CFException ex;
463	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
464	>	public Integer get() {
465	>	invoked();
466	>	throw ex;
467	>	}
468		}
469
470	<	/**
471	<	* thenAccept result completes exceptionally if action does
472	<	*/
473	<	public void testThenAccept3() {
474	<	CompletableFuture<Integer> f = new CompletableFuture<>();
475	<	FailingConsumer r = new FailingConsumer();
476	<	CompletableFuture<Void> g = f.thenAccept(r);
477	<	f.complete(one);
478	<	checkCompletedWithWrappedCFException(g);
479	<	assertTrue(r.ran);
470	>	static class FailingConsumer extends CheckedIntegerAction
471	>	implements Consumer<Integer>
472	>	{
473	>	final CFException ex;
474	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
475	>	public void accept(Integer x) {
476	>	invoked();
477	>	value = x;
478	>	throw ex;
479	>	}
480		}
481
482	<	/**
483	<	* thenAccept result completes exceptionally if source cancelled
484	<	*/
485	<	public void testThenAccept4() {
486	<	CompletableFuture<Integer> f = new CompletableFuture<>();
487	<	IncAction r = new IncAction();
488	<	CompletableFuture<Void> g = f.thenAccept(r);
489	<	assertTrue(f.cancel(true));
490	<	checkCompletedWithWrappedCancellationException(g);
482	>	static class FailingBiConsumer extends CheckedIntegerAction
483	>	implements BiConsumer<Integer, Integer>
484	>	{
485	>	final CFException ex;
486	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
487	>	public void accept(Integer x, Integer y) {
488	>	invoked();
489	>	value = subtract(x, y);
490	>	throw ex;
491	>	}
492		}
493
494	<	/**
495	<	* thenCombine result completes normally after normal completion
496	<	* of sources
497	<	*/
498	<	public void testThenCombine() {
499	<	CompletableFuture<Integer> f, g, h;
500	<
501	<	f = new CompletableFuture<>();
502	<	g = new CompletableFuture<>();
503	<	h = f.thenCombine(g, subtract);
705	<	f.complete(3);
706	<	checkIncomplete(h);
707	<	g.complete(1);
708	<	checkCompletedNormally(h, 2);
709	<
710	<	f = new CompletableFuture<>();
711	<	g = new CompletableFuture<>();
712	<	h = f.thenCombine(g, subtract);
713	<	g.complete(1);
714	<	checkIncomplete(h);
715	<	f.complete(3);
716	<	checkCompletedNormally(h, 2);
717	<
718	<	f = new CompletableFuture<>();
719	<	g = new CompletableFuture<>();
720	<	g.complete(1);
721	<	f.complete(3);
722	<	h = f.thenCombine(g, subtract);
723	<	checkCompletedNormally(h, 2);
494	>	static class FailingFunction extends CheckedIntegerAction
495	>	implements Function<Integer, Integer>
496	>	{
497	>	final CFException ex;
498	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
499	>	public Integer apply(Integer x) {
500	>	invoked();
501	>	value = x;
502	>	throw ex;
503	>	}
504		}
505
506	<	/**
507	<	* thenCombine result completes exceptionally after exceptional
508	<	* completion of either source
509	<	*/
510	<	public void testThenCombine2() {
511	<	CompletableFuture<Integer> f, g, h;
512	<
513	<	f = new CompletableFuture<>();
514	<	g = new CompletableFuture<>();
515	<	h = f.thenCombine(g, subtract);
736	<	f.completeExceptionally(new CFException());
737	<	checkIncomplete(h);
738	<	g.complete(1);
739	<	checkCompletedWithWrappedCFException(h);
740	<
741	<	f = new CompletableFuture<>();
742	<	g = new CompletableFuture<>();
743	<	h = f.thenCombine(g, subtract);
744	<	g.completeExceptionally(new CFException());
745	<	checkIncomplete(h);
746	<	f.complete(3);
747	<	checkCompletedWithWrappedCFException(h);
748	<
749	<	f = new CompletableFuture<>();
750	<	g = new CompletableFuture<>();
751	<	f.complete(3);
752	<	g.completeExceptionally(new CFException());
753	<	h = f.thenCombine(g, subtract);
754	<	checkCompletedWithWrappedCFException(h);
755	<
756	<	f = new CompletableFuture<>();
757	<	g = new CompletableFuture<>();
758	<	f.completeExceptionally(new CFException());
759	<	g.complete(3);
760	<	h = f.thenCombine(g, subtract);
761	<	checkCompletedWithWrappedCFException(h);
506	>	static class FailingBiFunction extends CheckedIntegerAction
507	>	implements BiFunction<Integer, Integer, Integer>
508	>	{
509	>	final CFException ex;
510	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
511	>	public Integer apply(Integer x, Integer y) {
512	>	invoked();
513	>	value = subtract(x, y);
514	>	throw ex;
515	>	}
516		}
517
518	<	/**
519	<	* thenCombine result completes exceptionally if action does
520	<	*/
521	<	public void testThenCombine3() {
522	<	CompletableFuture<Integer> f = new CompletableFuture<>();
523	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
524	<	FailingBiFunction r = new FailingBiFunction();
771	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
772	<	f.complete(one);
773	<	checkIncomplete(g);
774	<	assertFalse(r.ran);
775	<	f2.complete(two);
776	<	checkCompletedWithWrappedCFException(g);
777	<	assertTrue(r.ran);
518	>	static class FailingRunnable extends CheckedAction implements Runnable {
519	>	final CFException ex;
520	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
521	>	public void run() {
522	>	invoked();
523	>	throw ex;
524	>	}
525		}
526
527	<	/**
528	<	* thenCombine result completes exceptionally if either source cancelled
529	<	*/
530	<	public void testThenCombine4() {
531	<	CompletableFuture<Integer> f, g, h;
532	<
533	<	f = new CompletableFuture<>();
534	<	g = new CompletableFuture<>();
535	<	h = f.thenCombine(g, subtract);
536	<	assertTrue(f.cancel(true));
537	<	checkIncomplete(h);
791	<	g.complete(1);
792	<	checkCompletedWithWrappedCancellationException(h);
793	<
794	<	f = new CompletableFuture<>();
795	<	g = new CompletableFuture<>();
796	<	h = f.thenCombine(g, subtract);
797	<	assertTrue(g.cancel(true));
798	<	checkIncomplete(h);
799	<	f.complete(3);
800	<	checkCompletedWithWrappedCancellationException(h);
801	<
802	<	f = new CompletableFuture<>();
803	<	g = new CompletableFuture<>();
804	<	assertTrue(f.cancel(true));
805	<	assertTrue(g.cancel(true));
806	<	h = f.thenCombine(g, subtract);
807	<	checkCompletedWithWrappedCancellationException(h);
527	>	static class CompletableFutureInc extends CheckedIntegerAction
528	>	implements Function<Integer, CompletableFuture<Integer>>
529	>	{
530	>	CompletableFutureInc(ExecutionMode m) { super(m); }
531	>	public CompletableFuture<Integer> apply(Integer x) {
532	>	invoked();
533	>	value = x;
534	>	CompletableFuture<Integer> f = new CompletableFuture<>();
535	>	assertTrue(f.complete(inc(x)));
536	>	return f;
537	>	}
538		}
539
540	<	/**
541	<	* thenAcceptBoth result completes normally after normal
542	<	* completion of sources
543	<	*/
544	<	public void testThenAcceptBoth() {
545	<	CompletableFuture<Integer> f, g;
546	<	CompletableFuture<Void> h;
547	<	SubtractAction r;
548	<
549	<	f = new CompletableFuture<>();
820	<	g = new CompletableFuture<>();
821	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
822	<	f.complete(3);
823	<	checkIncomplete(h);
824	<	g.complete(1);
825	<	checkCompletedNormally(h, null);
826	<	assertEquals(r.value, 2);
827	<
828	<	f = new CompletableFuture<>();
829	<	g = new CompletableFuture<>();
830	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
831	<	g.complete(1);
832	<	checkIncomplete(h);
833	<	f.complete(3);
834	<	checkCompletedNormally(h, null);
835	<	assertEquals(r.value, 2);
836	<
837	<	f = new CompletableFuture<>();
838	<	g = new CompletableFuture<>();
839	<	g.complete(1);
840	<	f.complete(3);
841	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
842	<	checkCompletedNormally(h, null);
843	<	assertEquals(r.value, 2);
540	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
541	>	implements Function<Integer, CompletableFuture<Integer>>
542	>	{
543	>	final CFException ex;
544	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
545	>	public CompletableFuture<Integer> apply(Integer x) {
546	>	invoked();
547	>	value = x;
548	>	throw ex;
549	>	}
550		}
551
552	<	/**
553	<	* thenAcceptBoth result completes exceptionally after exceptional
554	<	* completion of either source
555	<	*/
556	<	public void testThenAcceptBoth2() {
557	<	CompletableFuture<Integer> f, g;
558	<	CompletableFuture<Void> h;
853	<	SubtractAction r;
854	<
855	<	f = new CompletableFuture<>();
856	<	g = new CompletableFuture<>();
857	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
858	<	f.completeExceptionally(new CFException());
859	<	checkIncomplete(h);
860	<	g.complete(1);
861	<	checkCompletedWithWrappedCFException(h);
862	<
863	<	f = new CompletableFuture<>();
864	<	g = new CompletableFuture<>();
865	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
866	<	g.completeExceptionally(new CFException());
867	<	checkIncomplete(h);
868	<	f.complete(3);
869	<	checkCompletedWithWrappedCFException(h);
870	<
871	<	f = new CompletableFuture<>();
872	<	g = new CompletableFuture<>();
873	<	f.complete(3);
874	<	g.completeExceptionally(new CFException());
875	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
876	<	checkCompletedWithWrappedCFException(h);
877	<
878	<	f = new CompletableFuture<>();
879	<	g = new CompletableFuture<>();
880	<	f.completeExceptionally(new CFException());
881	<	g.complete(3);
882	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
883	<	checkCompletedWithWrappedCFException(h);
552	>	static class CountingRejectingExecutor implements Executor {
553	>	final RejectedExecutionException ex = new RejectedExecutionException();
554	>	final AtomicInteger count = new AtomicInteger(0);
555	>	public void execute(Runnable r) {
556	>	count.getAndIncrement();
557	>	throw ex;
558	>	}
559		}
560
561	<	/**
562	<	* thenAcceptBoth result completes exceptionally if action does
563	<	*/
564	<	public void testThenAcceptBoth3() {
565	<	CompletableFuture<Integer> f, g;
566	<	CompletableFuture<Void> h;
567	<	FailingBiConsumer r;
893	<
894	<	f = new CompletableFuture<>();
895	<	g = new CompletableFuture<>();
896	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
897	<	f.complete(3);
898	<	checkIncomplete(h);
899	<	g.complete(1);
900	<	checkCompletedWithWrappedCFException(h);
561	>	// Used for explicit executor tests
562	>	static final class ThreadExecutor implements Executor {
563	>	final AtomicInteger count = new AtomicInteger(0);
564	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
565	>	static boolean startedCurrentThread() {
566	>	return Thread.currentThread().getThreadGroup() == tg;
567	>	}
568
569	<	f = new CompletableFuture<>();
570	<	g = new CompletableFuture<>();
571	<	f.complete(3);
572	<	g.complete(1);
906	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
907	<	checkCompletedWithWrappedCFException(h);
569	>	public void execute(Runnable r) {
570	>	count.getAndIncrement();
571	>	new Thread(tg, r).start();
572	>	}
573		}
574
575	<	/**
576	<	* thenAcceptBoth result completes exceptionally if either source cancelled
912	<	*/
913	<	public void testThenAcceptBoth4() {
914	<	CompletableFuture<Integer> f, g;
915	<	CompletableFuture<Void> h;
916	<	SubtractAction r;
917	<
918	<	f = new CompletableFuture<>();
919	<	g = new CompletableFuture<>();
920	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
921	<	assertTrue(f.cancel(true));
922	<	checkIncomplete(h);
923	<	g.complete(1);
924	<	checkCompletedWithWrappedCancellationException(h);
925	<
926	<	f = new CompletableFuture<>();
927	<	g = new CompletableFuture<>();
928	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
929	<	assertTrue(g.cancel(true));
930	<	checkIncomplete(h);
931	<	f.complete(3);
932	<	checkCompletedWithWrappedCancellationException(h);
933	<
934	<	f = new CompletableFuture<>();
935	<	g = new CompletableFuture<>();
936	<	f.complete(3);
937	<	assertTrue(g.cancel(true));
938	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
939	<	checkCompletedWithWrappedCancellationException(h);
940	<
941	<	f = new CompletableFuture<>();
942	<	g = new CompletableFuture<>();
943	<	assertTrue(f.cancel(true));
944	<	g.complete(3);
945	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
946	<	checkCompletedWithWrappedCancellationException(h);
947	<	}
575	>	static final boolean defaultExecutorIsCommonPool
576	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
577
578		/**
579		* Permits the testing of parallel code for the 3 different
580	<	* execution modes without repeating all the testing code.
580	>	* execution modes without copy/pasting all the test methods.
581		*/
582		enum ExecutionMode {
583	<	DEFAULT {
583	>	SYNC {
584	>	public void checkExecutionMode() {
585	>	assertFalse(ThreadExecutor.startedCurrentThread());
586	>	assertNull(ForkJoinTask.getPool());
587	>	}
588	>	public CompletableFuture<Void> runAsync(Runnable a) {
589	>	throw new UnsupportedOperationException();
590	>	}
591	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
592	>	throw new UnsupportedOperationException();
593	>	}
594	>	public <T> CompletableFuture<Void> thenRun
595	>	(CompletableFuture<T> f, Runnable a) {
596	>	return f.thenRun(a);
597	>	}
598	>	public <T> CompletableFuture<Void> thenAccept
599	>	(CompletableFuture<T> f, Consumer<? super T> a) {
600	>	return f.thenAccept(a);
601	>	}
602	>	public <T,U> CompletableFuture<U> thenApply
603	>	(CompletableFuture<T> f, Function<? super T,U> a) {
604	>	return f.thenApply(a);
605	>	}
606	>	public <T,U> CompletableFuture<U> thenCompose
607	>	(CompletableFuture<T> f,
608	>	Function<? super T,? extends CompletionStage<U>> a) {
609	>	return f.thenCompose(a);
610	>	}
611	>	public <T,U> CompletableFuture<U> handle
612	>	(CompletableFuture<T> f,
613	>	BiFunction<? super T,Throwable,? extends U> a) {
614	>	return f.handle(a);
615	>	}
616	>	public <T> CompletableFuture<T> whenComplete
617	>	(CompletableFuture<T> f,
618	>	BiConsumer<? super T,? super Throwable> a) {
619	>	return f.whenComplete(a);
620	>	}
621		public <T,U> CompletableFuture<Void> runAfterBoth
622	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
623	<	return f.runAfterBoth(g, r);
622	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
623	>	return f.runAfterBoth(g, a);
624	>	}
625	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
626	>	(CompletableFuture<T> f,
627	>	CompletionStage<? extends U> g,
628	>	BiConsumer<? super T,? super U> a) {
629	>	return f.thenAcceptBoth(g, a);
630	>	}
631	>	public <T,U,V> CompletableFuture<V> thenCombine
632	>	(CompletableFuture<T> f,
633	>	CompletionStage<? extends U> g,
634	>	BiFunction<? super T,? super U,? extends V> a) {
635	>	return f.thenCombine(g, a);
636	>	}
637	>	public <T> CompletableFuture<Void> runAfterEither
638	>	(CompletableFuture<T> f,
639	>	CompletionStage<?> g,
640	>	java.lang.Runnable a) {
641	>	return f.runAfterEither(g, a);
642	>	}
643	>	public <T> CompletableFuture<Void> acceptEither
644	>	(CompletableFuture<T> f,
645	>	CompletionStage<? extends T> g,
646	>	Consumer<? super T> a) {
647	>	return f.acceptEither(g, a);
648	>	}
649	>	public <T,U> CompletableFuture<U> applyToEither
650	>	(CompletableFuture<T> f,
651	>	CompletionStage<? extends T> g,
652	>	Function<? super T,U> a) {
653	>	return f.applyToEither(g, a);
654		}
655		},
656
657	<	DEFAULT_ASYNC {
657	>	ASYNC {
658	>	public void checkExecutionMode() {
659	>	assertEquals(defaultExecutorIsCommonPool,
660	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
661	>	}
662	>	public CompletableFuture<Void> runAsync(Runnable a) {
663	>	return CompletableFuture.runAsync(a);
664	>	}
665	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
666	>	return CompletableFuture.supplyAsync(a);
667	>	}
668	>	public <T> CompletableFuture<Void> thenRun
669	>	(CompletableFuture<T> f, Runnable a) {
670	>	return f.thenRunAsync(a);
671	>	}
672	>	public <T> CompletableFuture<Void> thenAccept
673	>	(CompletableFuture<T> f, Consumer<? super T> a) {
674	>	return f.thenAcceptAsync(a);
675	>	}
676	>	public <T,U> CompletableFuture<U> thenApply
677	>	(CompletableFuture<T> f, Function<? super T,U> a) {
678	>	return f.thenApplyAsync(a);
679	>	}
680	>	public <T,U> CompletableFuture<U> thenCompose
681	>	(CompletableFuture<T> f,
682	>	Function<? super T,? extends CompletionStage<U>> a) {
683	>	return f.thenComposeAsync(a);
684	>	}
685	>	public <T,U> CompletableFuture<U> handle
686	>	(CompletableFuture<T> f,
687	>	BiFunction<? super T,Throwable,? extends U> a) {
688	>	return f.handleAsync(a);
689	>	}
690	>	public <T> CompletableFuture<T> whenComplete
691	>	(CompletableFuture<T> f,
692	>	BiConsumer<? super T,? super Throwable> a) {
693	>	return f.whenCompleteAsync(a);
694	>	}
695		public <T,U> CompletableFuture<Void> runAfterBoth
696	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
697	<	return f.runAfterBothAsync(g, r);
696	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
697	>	return f.runAfterBothAsync(g, a);
698	>	}
699	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
700	>	(CompletableFuture<T> f,
701	>	CompletionStage<? extends U> g,
702	>	BiConsumer<? super T,? super U> a) {
703	>	return f.thenAcceptBothAsync(g, a);
704	>	}
705	>	public <T,U,V> CompletableFuture<V> thenCombine
706	>	(CompletableFuture<T> f,
707	>	CompletionStage<? extends U> g,
708	>	BiFunction<? super T,? super U,? extends V> a) {
709	>	return f.thenCombineAsync(g, a);
710	>	}
711	>	public <T> CompletableFuture<Void> runAfterEither
712	>	(CompletableFuture<T> f,
713	>	CompletionStage<?> g,
714	>	java.lang.Runnable a) {
715	>	return f.runAfterEitherAsync(g, a);
716	>	}
717	>	public <T> CompletableFuture<Void> acceptEither
718	>	(CompletableFuture<T> f,
719	>	CompletionStage<? extends T> g,
720	>	Consumer<? super T> a) {
721	>	return f.acceptEitherAsync(g, a);
722	>	}
723	>	public <T,U> CompletableFuture<U> applyToEither
724	>	(CompletableFuture<T> f,
725	>	CompletionStage<? extends T> g,
726	>	Function<? super T,U> a) {
727	>	return f.applyToEitherAsync(g, a);
728		}
729		},
730
731		EXECUTOR {
732	+	public void checkExecutionMode() {
733	+	assertTrue(ThreadExecutor.startedCurrentThread());
734	+	}
735	+	public CompletableFuture<Void> runAsync(Runnable a) {
736	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
737	+	}
738	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
739	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
740	+	}
741	+	public <T> CompletableFuture<Void> thenRun
742	+	(CompletableFuture<T> f, Runnable a) {
743	+	return f.thenRunAsync(a, new ThreadExecutor());
744	+	}
745	+	public <T> CompletableFuture<Void> thenAccept
746	+	(CompletableFuture<T> f, Consumer<? super T> a) {
747	+	return f.thenAcceptAsync(a, new ThreadExecutor());
748	+	}
749	+	public <T,U> CompletableFuture<U> thenApply
750	+	(CompletableFuture<T> f, Function<? super T,U> a) {
751	+	return f.thenApplyAsync(a, new ThreadExecutor());
752	+	}
753	+	public <T,U> CompletableFuture<U> thenCompose
754	+	(CompletableFuture<T> f,
755	+	Function<? super T,? extends CompletionStage<U>> a) {
756	+	return f.thenComposeAsync(a, new ThreadExecutor());
757	+	}
758	+	public <T,U> CompletableFuture<U> handle
759	+	(CompletableFuture<T> f,
760	+	BiFunction<? super T,Throwable,? extends U> a) {
761	+	return f.handleAsync(a, new ThreadExecutor());
762	+	}
763	+	public <T> CompletableFuture<T> whenComplete
764	+	(CompletableFuture<T> f,
765	+	BiConsumer<? super T,? super Throwable> a) {
766	+	return f.whenCompleteAsync(a, new ThreadExecutor());
767	+	}
768		public <T,U> CompletableFuture<Void> runAfterBoth
769	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
770	<	return f.runAfterBothAsync(g, r, new ThreadExecutor());
769	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
770	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
771	>	}
772	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
773	>	(CompletableFuture<T> f,
774	>	CompletionStage<? extends U> g,
775	>	BiConsumer<? super T,? super U> a) {
776	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
777	>	}
778	>	public <T,U,V> CompletableFuture<V> thenCombine
779	>	(CompletableFuture<T> f,
780	>	CompletionStage<? extends U> g,
781	>	BiFunction<? super T,? super U,? extends V> a) {
782	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
783	>	}
784	>	public <T> CompletableFuture<Void> runAfterEither
785	>	(CompletableFuture<T> f,
786	>	CompletionStage<?> g,
787	>	java.lang.Runnable a) {
788	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
789	>	}
790	>	public <T> CompletableFuture<Void> acceptEither
791	>	(CompletableFuture<T> f,
792	>	CompletionStage<? extends T> g,
793	>	Consumer<? super T> a) {
794	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
795	>	}
796	>	public <T,U> CompletableFuture<U> applyToEither
797	>	(CompletableFuture<T> f,
798	>	CompletionStage<? extends T> g,
799	>	Function<? super T,U> a) {
800	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
801		}
802		};
803
804	+	public abstract void checkExecutionMode();
805	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
806	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
807	+	public abstract <T> CompletableFuture<Void> thenRun
808	+	(CompletableFuture<T> f, Runnable a);
809	+	public abstract <T> CompletableFuture<Void> thenAccept
810	+	(CompletableFuture<T> f, Consumer<? super T> a);
811	+	public abstract <T,U> CompletableFuture<U> thenApply
812	+	(CompletableFuture<T> f, Function<? super T,U> a);
813	+	public abstract <T,U> CompletableFuture<U> thenCompose
814	+	(CompletableFuture<T> f,
815	+	Function<? super T,? extends CompletionStage<U>> a);
816	+	public abstract <T,U> CompletableFuture<U> handle
817	+	(CompletableFuture<T> f,
818	+	BiFunction<? super T,Throwable,? extends U> a);
819	+	public abstract <T> CompletableFuture<T> whenComplete
820	+	(CompletableFuture<T> f,
821	+	BiConsumer<? super T,? super Throwable> a);
822		public abstract <T,U> CompletableFuture<Void> runAfterBoth
823	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r);
823	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
824	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
825	>	(CompletableFuture<T> f,
826	>	CompletionStage<? extends U> g,
827	>	BiConsumer<? super T,? super U> a);
828	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
829	>	(CompletableFuture<T> f,
830	>	CompletionStage<? extends U> g,
831	>	BiFunction<? super T,? super U,? extends V> a);
832	>	public abstract <T> CompletableFuture<Void> runAfterEither
833	>	(CompletableFuture<T> f,
834	>	CompletionStage<?> g,
835	>	java.lang.Runnable a);
836	>	public abstract <T> CompletableFuture<Void> acceptEither
837	>	(CompletableFuture<T> f,
838	>	CompletionStage<? extends T> g,
839	>	Consumer<? super T> a);
840	>	public abstract <T,U> CompletableFuture<U> applyToEither
841	>	(CompletableFuture<T> f,
842	>	CompletionStage<? extends T> g,
843	>	Function<? super T,U> a);
844		}
845
846		/**
847	<	* runAfterBoth result completes normally after normal
848	<	* completion of sources
847	>	* exceptionally action is not invoked when source completes
848	>	* normally, and source result is propagated
849		*/
850	<	public void testRunAfterBoth_normalCompletion1() {
851	<	for (ExecutionMode m : ExecutionMode.values())
850	>	public void testExceptionally_normalCompletion() {
851	>	for (boolean createIncomplete : new boolean[] { true, false })
852		for (Integer v1 : new Integer[] { 1, null })
853	<	for (Integer v2 : new Integer[] { 2, null }) {
854	<
853	>	{
854	>	final AtomicInteger a = new AtomicInteger(0);
855		final CompletableFuture<Integer> f = new CompletableFuture<>();
856	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
857	<	final Noop r = new Noop();
858	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
859	<
860	<	f.complete(v1);
861	<	checkIncomplete(h);
862	<	assertFalse(r.ran);
863	<	g.complete(v2);
856	>	if (!createIncomplete) assertTrue(f.complete(v1));
857	>	final CompletableFuture<Integer> g = f.exceptionally
858	>	((Throwable t) -> {
859	>	a.getAndIncrement();
860	>	threadFail("should not be called");
861	>	return null;            // unreached
862	>	});
863	>	if (createIncomplete) assertTrue(f.complete(v1));
864
865	<	checkCompletedNormally(h, null);
999	<	assertTrue(r.ran);
865	>	checkCompletedNormally(g, v1);
866		checkCompletedNormally(f, v1);
867	<	checkCompletedNormally(g, v2);
868	<	}
1003	<	}
867	>	assertEquals(0, a.get());
868	>	}}
869
870	<	public void testRunAfterBoth_normalCompletion2() {
871	<	for (ExecutionMode m : ExecutionMode.values())
870	>	/**
871	>	* exceptionally action completes with function value on source
872	>	* exception
873	>	*/
874	>	public void testExceptionally_exceptionalCompletion() {
875	>	for (boolean createIncomplete : new boolean[] { true, false })
876		for (Integer v1 : new Integer[] { 1, null })
877	<	for (Integer v2 : new Integer[] { 2, null }) {
878	<
877	>	{
878	>	final AtomicInteger a = new AtomicInteger(0);
879	>	final CFException ex = new CFException();
880		final CompletableFuture<Integer> f = new CompletableFuture<>();
881	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
882	<	final Noop r = new Noop();
883	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
884	<
885	<	g.complete(v2);
886	<	checkIncomplete(h);
887	<	assertFalse(r.ran);
888	<	f.complete(v1);
889	<
1020	<	checkCompletedNormally(h, null);
1021	<	assertTrue(r.ran);
1022	<	checkCompletedNormally(f, v1);
1023	<	checkCompletedNormally(g, v2);
1024	<	}
1025	<	}
881	>	if (!createIncomplete) f.completeExceptionally(ex);
882	>	final CompletableFuture<Integer> g = f.exceptionally
883	>	((Throwable t) -> {
884	>	ExecutionMode.SYNC.checkExecutionMode();
885	>	threadAssertSame(t, ex);
886	>	a.getAndIncrement();
887	>	return v1;
888	>	});
889	>	if (createIncomplete) f.completeExceptionally(ex);
890
891	<	public void testRunAfterBoth_normalCompletion3() {
892	<	for (ExecutionMode m : ExecutionMode.values())
893	<	for (Integer v1 : new Integer[] { 1, null })
1030	<	for (Integer v2 : new Integer[] { 2, null }) {
891	>	checkCompletedNormally(g, v1);
892	>	assertEquals(1, a.get());
893	>	}}
894
895	+	/**
896	+	* If an "exceptionally action" throws an exception, it completes
897	+	* exceptionally with that exception
898	+	*/
899	+	public void testExceptionally_exceptionalCompletionActionFailed() {
900	+	for (boolean createIncomplete : new boolean[] { true, false })
901	+	{
902	+	final AtomicInteger a = new AtomicInteger(0);
903	+	final CFException ex1 = new CFException();
904	+	final CFException ex2 = new CFException();
905		final CompletableFuture<Integer> f = new CompletableFuture<>();
906	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
907	<	final Noop r = new Noop();
908	<
909	<	g.complete(v2);
910	<	f.complete(v1);
911	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
906	>	if (!createIncomplete) f.completeExceptionally(ex1);
907	>	final CompletableFuture<Integer> g = f.exceptionally
908	>	((Throwable t) -> {
909	>	ExecutionMode.SYNC.checkExecutionMode();
910	>	threadAssertSame(t, ex1);
911	>	a.getAndIncrement();
912	>	throw ex2;
913	>	});
914	>	if (createIncomplete) f.completeExceptionally(ex1);
915	>
916	>	checkCompletedWithWrappedException(g, ex2);
917	>	checkCompletedExceptionally(f, ex1);
918	>	assertEquals(1, a.get());
919	>	}}
920
921	<	checkCompletedNormally(h, null);
922	<	assertTrue(r.ran);
923	<	checkCompletedNormally(f, v1);
924	<	checkCompletedNormally(g, v2);
925	<	}
1045	<	}
1046	<
1047	<	public void testRunAfterBoth_normalCompletion4() {
921	>	/**
922	>	* whenComplete action executes on normal completion, propagating
923	>	* source result.
924	>	*/
925	>	public void testWhenComplete_normalCompletion() {
926		for (ExecutionMode m : ExecutionMode.values())
927	+	for (boolean createIncomplete : new boolean[] { true, false })
928		for (Integer v1 : new Integer[] { 1, null })
929	<	for (Integer v2 : new Integer[] { 2, null }) {
930	<
929	>	{
930	>	final AtomicInteger a = new AtomicInteger(0);
931		final CompletableFuture<Integer> f = new CompletableFuture<>();
932	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
933	<	final Noop r = new Noop();
934	<
935	<	f.complete(v1);
936	<	g.complete(v2);
937	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
932	>	if (!createIncomplete) assertTrue(f.complete(v1));
933	>	final CompletableFuture<Integer> g = m.whenComplete
934	>	(f,
935	>	(Integer result, Throwable t) -> {
936	>	m.checkExecutionMode();
937	>	threadAssertSame(result, v1);
938	>	threadAssertNull(t);
939	>	a.getAndIncrement();
940	>	});
941	>	if (createIncomplete) assertTrue(f.complete(v1));
942
943	<	checkCompletedNormally(h, null);
1061	<	assertTrue(r.ran);
943	>	checkCompletedNormally(g, v1);
944		checkCompletedNormally(f, v1);
945	<	checkCompletedNormally(g, v2);
946	<	}
1065	<	}
945	>	assertEquals(1, a.get());
946	>	}}
947
948		/**
949	<	* runAfterBoth result completes exceptionally after exceptional
950	<	* completion of either source
949	>	* whenComplete action executes on exceptional completion, propagating
950	>	* source result.
951		*/
952	<	public void testRunAfterBoth_exceptionalCompletion1() {
952	>	public void testWhenComplete_exceptionalCompletion() {
953		for (ExecutionMode m : ExecutionMode.values())
954	<	for (Integer v1 : new Integer[] { 1, null }) {
955	<
956	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1076	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1077	<	final Noop r = new Noop();
1078	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
954	>	for (boolean createIncomplete : new boolean[] { true, false })
955	>	{
956	>	final AtomicInteger a = new AtomicInteger(0);
957		final CFException ex = new CFException();
958	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
959	+	if (!createIncomplete) f.completeExceptionally(ex);
960	+	final CompletableFuture<Integer> g = m.whenComplete
961	+	(f,
962	+	(Integer result, Throwable t) -> {
963	+	m.checkExecutionMode();
964	+	threadAssertNull(result);
965	+	threadAssertSame(t, ex);
966	+	a.getAndIncrement();
967	+	});
968	+	if (createIncomplete) f.completeExceptionally(ex);
969	+
970	+	checkCompletedWithWrappedException(g, ex);
971	+	checkCompletedExceptionally(f, ex);
972	+	assertEquals(1, a.get());
973	+	}}
974
975	<	f.completeExceptionally(ex);
976	<	checkIncomplete(h);
977	<	g.complete(v1);
978	<
979	<	checkCompletedWithWrappedCFException(h, ex);
1086	<	checkCompletedWithWrappedCFException(f, ex);
1087	<	assertFalse(r.ran);
1088	<	checkCompletedNormally(g, v1);
1089	<	}
1090	<	}
1091	<
1092	<	public void testRunAfterBoth_exceptionalCompletion2() {
975	>	/**
976	>	* whenComplete action executes on cancelled source, propagating
977	>	* CancellationException.
978	>	*/
979	>	public void testWhenComplete_sourceCancelled() {
980		for (ExecutionMode m : ExecutionMode.values())
981	<	for (Integer v1 : new Integer[] { 1, null }) {
982	<
981	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
982	>	for (boolean createIncomplete : new boolean[] { true, false })
983	>	{
984	>	final AtomicInteger a = new AtomicInteger(0);
985		final CompletableFuture<Integer> f = new CompletableFuture<>();
986	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
987	<	final Noop r = new Noop();
988	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
989	<	final CFException ex = new CFException();
990	<
991	<	g.completeExceptionally(ex);
992	<	checkIncomplete(h);
993	<	f.complete(v1);
986	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
987	>	final CompletableFuture<Integer> g = m.whenComplete
988	>	(f,
989	>	(Integer result, Throwable t) -> {
990	>	m.checkExecutionMode();
991	>	threadAssertNull(result);
992	>	threadAssertTrue(t instanceof CancellationException);
993	>	a.getAndIncrement();
994	>	});
995	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
996
997	<	checkCompletedWithWrappedCFException(h, ex);
998	<	checkCompletedWithWrappedCFException(g, ex);
999	<	assertFalse(r.ran);
1000	<	checkCompletedNormally(f, v1);
1110	<	}
1111	<	}
997	>	checkCompletedWithWrappedCancellationException(g);
998	>	checkCancelled(f);
999	>	assertEquals(1, a.get());
1000	>	}}
1001
1002	<	public void testRunAfterBoth_exceptionalCompletion3() {
1002	>	/**
1003	>	* If a whenComplete action throws an exception when triggered by
1004	>	* a normal completion, it completes exceptionally
1005	>	*/
1006	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1007	>	for (boolean createIncomplete : new boolean[] { true, false })
1008		for (ExecutionMode m : ExecutionMode.values())
1009	<	for (Integer v1 : new Integer[] { 1, null }) {
1010	<
1011	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1118	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1119	<	final Noop r = new Noop();
1009	>	for (Integer v1 : new Integer[] { 1, null })
1010	>	{
1011	>	final AtomicInteger a = new AtomicInteger(0);
1012		final CFException ex = new CFException();
1013	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1014	+	if (!createIncomplete) assertTrue(f.complete(v1));
1015	+	final CompletableFuture<Integer> g = m.whenComplete
1016	+	(f,
1017	+	(Integer result, Throwable t) -> {
1018	+	m.checkExecutionMode();
1019	+	threadAssertSame(result, v1);
1020	+	threadAssertNull(t);
1021	+	a.getAndIncrement();
1022	+	throw ex;
1023	+	});
1024	+	if (createIncomplete) assertTrue(f.complete(v1));
1025
1026	<	g.completeExceptionally(ex);
1123	<	f.complete(v1);
1124	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1125	<
1126	<	checkCompletedWithWrappedCFException(h, ex);
1127	<	checkCompletedWithWrappedCFException(g, ex);
1128	<	assertFalse(r.ran);
1026	>	checkCompletedWithWrappedException(g, ex);
1027		checkCompletedNormally(f, v1);
1028	<	}
1029	<	}
1028	>	assertEquals(1, a.get());
1029	>	}}
1030
1031	<	public void testRunAfterBoth_exceptionalCompletion4() {
1031	>	/**
1032	>	* If a whenComplete action throws an exception when triggered by
1033	>	* a source completion that also throws an exception, the source
1034	>	* exception takes precedence (unlike handle)
1035	>	*/
1036	>	public void testWhenComplete_sourceFailedActionFailed() {
1037	>	for (boolean createIncomplete : new boolean[] { true, false })
1038		for (ExecutionMode m : ExecutionMode.values())
1039	<	for (Integer v1 : new Integer[] { 1, null }) {
1040	<
1039	>	{
1040	>	final AtomicInteger a = new AtomicInteger(0);
1041	>	final CFException ex1 = new CFException();
1042	>	final CFException ex2 = new CFException();
1043		final CompletableFuture<Integer> f = new CompletableFuture<>();
1138	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1139	–	final Noop r = new Noop();
1140	–	final CFException ex = new CFException();
1141	–
1142	–	f.completeExceptionally(ex);
1143	–	g.complete(v1);
1144	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1044
1045	<	checkCompletedWithWrappedCFException(h, ex);
1046	<	checkCompletedWithWrappedCFException(f, ex);
1047	<	assertFalse(r.ran);
1048	<	checkCompletedNormally(g, v1);
1045	>	if (!createIncomplete) f.completeExceptionally(ex1);
1046	>	final CompletableFuture<Integer> g = m.whenComplete
1047	>	(f,
1048	>	(Integer result, Throwable t) -> {
1049	>	m.checkExecutionMode();
1050	>	threadAssertSame(t, ex1);
1051	>	threadAssertNull(result);
1052	>	a.getAndIncrement();
1053	>	throw ex2;
1054	>	});
1055	>	if (createIncomplete) f.completeExceptionally(ex1);
1056	>
1057	>	checkCompletedWithWrappedException(g, ex1);
1058	>	checkCompletedExceptionally(f, ex1);
1059	>	if (testImplementationDetails) {
1060	>	assertEquals(1, ex1.getSuppressed().length);
1061	>	assertSame(ex2, ex1.getSuppressed()[0]);
1062		}
1063	<	}
1063	>	assertEquals(1, a.get());
1064	>	}}
1065
1066		/**
1067	<	* runAfterBoth result completes exceptionally if action does
1067	>	* handle action completes normally with function value on normal
1068	>	* completion of source
1069		*/
1070	<	public void testRunAfterBoth_actionFailed1() {
1070	>	public void testHandle_normalCompletion() {
1071		for (ExecutionMode m : ExecutionMode.values())
1072	+	for (boolean createIncomplete : new boolean[] { true, false })
1073		for (Integer v1 : new Integer[] { 1, null })
1074	<	for (Integer v2 : new Integer[] { 2, null }) {
1160	<
1074	>	{
1075		final CompletableFuture<Integer> f = new CompletableFuture<>();
1076	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1077	<	final FailingNoop r = new FailingNoop();
1078	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1076	>	final AtomicInteger a = new AtomicInteger(0);
1077	>	if (!createIncomplete) assertTrue(f.complete(v1));
1078	>	final CompletableFuture<Integer> g = m.handle
1079	>	(f,
1080	>	(Integer result, Throwable t) -> {
1081	>	m.checkExecutionMode();
1082	>	threadAssertSame(result, v1);
1083	>	threadAssertNull(t);
1084	>	a.getAndIncrement();
1085	>	return inc(v1);
1086	>	});
1087	>	if (createIncomplete) assertTrue(f.complete(v1));
1088
1089	<	f.complete(v1);
1167	<	checkIncomplete(h);
1168	<	g.complete(v2);
1169	<
1170	<	checkCompletedWithWrappedCFException(h);
1089	>	checkCompletedNormally(g, inc(v1));
1090		checkCompletedNormally(f, v1);
1091	<	checkCompletedNormally(g, v2);
1092	<	}
1174	<	}
1091	>	assertEquals(1, a.get());
1092	>	}}
1093
1094	<	public void testRunAfterBoth_actionFailed2() {
1094	>	/**
1095	>	* handle action completes normally with function value on
1096	>	* exceptional completion of source
1097	>	*/
1098	>	public void testHandle_exceptionalCompletion() {
1099		for (ExecutionMode m : ExecutionMode.values())
1100	+	for (boolean createIncomplete : new boolean[] { true, false })
1101		for (Integer v1 : new Integer[] { 1, null })
1102	<	for (Integer v2 : new Integer[] { 2, null }) {
1180	<
1102	>	{
1103		final CompletableFuture<Integer> f = new CompletableFuture<>();
1104	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1105	<	final FailingNoop r = new FailingNoop();
1106	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1107	<
1108	<	g.complete(v2);
1109	<	checkIncomplete(h);
1110	<	f.complete(v1);
1104	>	final AtomicInteger a = new AtomicInteger(0);
1105	>	final CFException ex = new CFException();
1106	>	if (!createIncomplete) f.completeExceptionally(ex);
1107	>	final CompletableFuture<Integer> g = m.handle
1108	>	(f,
1109	>	(Integer result, Throwable t) -> {
1110	>	m.checkExecutionMode();
1111	>	threadAssertNull(result);
1112	>	threadAssertSame(t, ex);
1113	>	a.getAndIncrement();
1114	>	return v1;
1115	>	});
1116	>	if (createIncomplete) f.completeExceptionally(ex);
1117
1118	<	checkCompletedWithWrappedCFException(h);
1119	<	checkCompletedNormally(f, v1);
1120	<	checkCompletedNormally(g, v2);
1121	<	}
1194	<	}
1118	>	checkCompletedNormally(g, v1);
1119	>	checkCompletedExceptionally(f, ex);
1120	>	assertEquals(1, a.get());
1121	>	}}
1122
1123		/**
1124	<	* runAfterBoth result completes exceptionally if either source cancelled
1124	>	* handle action completes normally with function value on
1125	>	* cancelled source
1126		*/
1127	<	public void testRunAfterBoth_sourceCancelled1() {
1127	>	public void testHandle_sourceCancelled() {
1128		for (ExecutionMode m : ExecutionMode.values())
1129		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1130	<	for (Integer v1 : new Integer[] { 1, null }) {
1131	<
1130	>	for (boolean createIncomplete : new boolean[] { true, false })
1131	>	for (Integer v1 : new Integer[] { 1, null })
1132	>	{
1133		final CompletableFuture<Integer> f = new CompletableFuture<>();
1134	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1135	<	final Noop r = new Noop();
1136	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1137	<
1138	<	assertTrue(f.cancel(mayInterruptIfRunning));
1139	<	checkIncomplete(h);
1140	<	g.complete(v1);
1134	>	final AtomicInteger a = new AtomicInteger(0);
1135	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1136	>	final CompletableFuture<Integer> g = m.handle
1137	>	(f,
1138	>	(Integer result, Throwable t) -> {
1139	>	m.checkExecutionMode();
1140	>	threadAssertNull(result);
1141	>	threadAssertTrue(t instanceof CancellationException);
1142	>	a.getAndIncrement();
1143	>	return v1;
1144	>	});
1145	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1146
1213	–	checkCompletedWithWrappedCancellationException(h);
1214	–	checkCancelled(f);
1215	–	assertFalse(r.ran);
1147		checkCompletedNormally(g, v1);
1217	–	}
1218	–	}
1219	–
1220	–	public void testRunAfterBoth_sourceCancelled2() {
1221	–	for (ExecutionMode m : ExecutionMode.values())
1222	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1223	–	for (Integer v1 : new Integer[] { 1, null }) {
1224	–
1225	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1226	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1227	–	final Noop r = new Noop();
1228	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1229	–
1230	–	assertTrue(g.cancel(mayInterruptIfRunning));
1231	–	checkIncomplete(h);
1232	–	f.complete(v1);
1233	–
1234	–	checkCompletedWithWrappedCancellationException(h);
1235	–	checkCancelled(g);
1236	–	assertFalse(r.ran);
1237	–	checkCompletedNormally(f, v1);
1238	–	}
1239	–	}
1240	–
1241	–	public void testRunAfterBoth_sourceCancelled3() {
1242	–	for (ExecutionMode m : ExecutionMode.values())
1243	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1244	–	for (Integer v1 : new Integer[] { 1, null }) {
1245	–
1246	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1247	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1248	–	final Noop r = new Noop();
1249	–
1250	–	assertTrue(g.cancel(mayInterruptIfRunning));
1251	–	f.complete(v1);
1252	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1253	–
1254	–	checkCompletedWithWrappedCancellationException(h);
1255	–	checkCancelled(g);
1256	–	assertFalse(r.ran);
1257	–	checkCompletedNormally(f, v1);
1258	–	}
1259	–	}
1260	–
1261	–	public void testRunAfterBoth_sourceCancelled4() {
1262	–	for (ExecutionMode m : ExecutionMode.values())
1263	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1264	–	for (Integer v1 : new Integer[] { 1, null }) {
1265	–
1266	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1267	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1268	–	final Noop r = new Noop();
1269	–
1270	–	assertTrue(f.cancel(mayInterruptIfRunning));
1271	–	g.complete(v1);
1272	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1273	–
1274	–	checkCompletedWithWrappedCancellationException(h);
1148		checkCancelled(f);
1149	<	assertFalse(r.ran);
1150	<	checkCompletedNormally(g, v1);
1278	<	}
1279	<	}
1280	<
1281	<	/**
1282	<	* applyToEither result completes normally after normal completion
1283	<	* of either source
1284	<	*/
1285	<	public void testApplyToEither() {
1286	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1287	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1288	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1289	<	f.complete(one);
1290	<	checkCompletedNormally(g, two);
1291	<	f2.complete(one);
1292	<	checkCompletedNormally(g, two);
1293	<
1294	<	f = new CompletableFuture<>();
1295	<	f.complete(one);
1296	<	f2 = new CompletableFuture<>();
1297	<	g = f.applyToEither(f2, inc);
1298	<	checkCompletedNormally(g, two);
1299	<	}
1149	>	assertEquals(1, a.get());
1150	>	}}
1151
1152		/**
1153	<	* applyToEither result completes exceptionally after exceptional
1154	<	* completion of either source
1153	>	* If a "handle action" throws an exception when triggered by
1154	>	* a normal completion, it completes exceptionally
1155		*/
1156	<	public void testApplyToEither2() {
1157	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1158	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1159	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1160	<	f.completeExceptionally(new CFException());
1161	<	f2.complete(one);
1162	<	checkCompletedWithWrappedCFException(g);
1156	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1157	>	for (ExecutionMode m : ExecutionMode.values())
1158	>	for (boolean createIncomplete : new boolean[] { true, false })
1159	>	for (Integer v1 : new Integer[] { 1, null })
1160	>	{
1161	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1162	>	final AtomicInteger a = new AtomicInteger(0);
1163	>	final CFException ex = new CFException();
1164	>	if (!createIncomplete) assertTrue(f.complete(v1));
1165	>	final CompletableFuture<Integer> g = m.handle
1166	>	(f,
1167	>	(Integer result, Throwable t) -> {
1168	>	m.checkExecutionMode();
1169	>	threadAssertSame(result, v1);
1170	>	threadAssertNull(t);
1171	>	a.getAndIncrement();
1172	>	throw ex;
1173	>	});
1174	>	if (createIncomplete) assertTrue(f.complete(v1));
1175
1176	<	f = new CompletableFuture<>();
1177	<	f2 = new CompletableFuture<>();
1178	<	f2.completeExceptionally(new CFException());
1179	<	g = f.applyToEither(f2, inc);
1317	<	checkCompletedWithWrappedCFException(g);
1318	<	}
1176	>	checkCompletedWithWrappedException(g, ex);
1177	>	checkCompletedNormally(f, v1);
1178	>	assertEquals(1, a.get());
1179	>	}}
1180
1181		/**
1182	<	* applyToEither result completes exceptionally if action does
1182	>	* If a "handle action" throws an exception when triggered by
1183	>	* a source completion that also throws an exception, the action
1184	>	* exception takes precedence (unlike whenComplete)
1185		*/
1186	<	public void testApplyToEither3() {
1187	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1188	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1189	<	FailingFunction r = new FailingFunction();
1190	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
1191	<	f2.complete(two);
1192	<	checkCompletedWithWrappedCFException(g);
1193	<	}
1186	>	public void testHandle_sourceFailedActionFailed() {
1187	>	for (boolean createIncomplete : new boolean[] { true, false })
1188	>	for (ExecutionMode m : ExecutionMode.values())
1189	>	{
1190	>	final AtomicInteger a = new AtomicInteger(0);
1191	>	final CFException ex1 = new CFException();
1192	>	final CFException ex2 = new CFException();
1193	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1194
1195	<	/**
1196	<	* applyToEither result completes exceptionally if either source cancelled
1197	<	*/
1198	<	public void testApplyToEither4() {
1199	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1200	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1201	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1202	<	assertTrue(f.cancel(true));
1203	<	checkCompletedWithWrappedCancellationException(g);
1204	<	f = new CompletableFuture<>();
1205	<	f2 = new CompletableFuture<>();
1206	<	assertTrue(f2.cancel(true));
1207	<	checkCompletedWithWrappedCancellationException(g);
1208	<	}
1195	>	if (!createIncomplete) f.completeExceptionally(ex1);
1196	>	final CompletableFuture<Integer> g = m.handle
1197	>	(f,
1198	>	(Integer result, Throwable t) -> {
1199	>	m.checkExecutionMode();
1200	>	threadAssertNull(result);
1201	>	threadAssertSame(ex1, t);
1202	>	a.getAndIncrement();
1203	>	throw ex2;
1204	>	});
1205	>	if (createIncomplete) f.completeExceptionally(ex1);
1206	>
1207	>	checkCompletedWithWrappedException(g, ex2);
1208	>	checkCompletedExceptionally(f, ex1);
1209	>	assertEquals(1, a.get());
1210	>	}}
1211
1212		/**
1213	<	* acceptEither result completes normally after normal completion
1349	<	* of either source
1213	>	* runAsync completes after running Runnable
1214		*/
1215	<	public void testAcceptEither() {
1216	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1217	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1218	<	IncAction r = new IncAction();
1219	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1220	<	f.complete(one);
1221	<	checkCompletedNormally(g, null);
1222	<	f2.complete(one);
1223	<	checkCompletedNormally(g, null);
1224	<	assertEquals(r.value, 2);
1225	<
1226	<	r = new IncAction();
1227	<	f = new CompletableFuture<>();
1364	<	f.complete(one);
1365	<	f2 = new CompletableFuture<>();
1366	<	g = f.acceptEither(f2, r);
1367	<	checkCompletedNormally(g, null);
1368	<	assertEquals(r.value, 2);
1369	<	}
1215	>	public void testRunAsync_normalCompletion() {
1216	>	ExecutionMode[] executionModes = {
1217	>	ExecutionMode.ASYNC,
1218	>	ExecutionMode.EXECUTOR,
1219	>	};
1220	>	for (ExecutionMode m : executionModes)
1221	>	{
1222	>	final Noop r = new Noop(m);
1223	>	final CompletableFuture<Void> f = m.runAsync(r);
1224	>	assertNull(f.join());
1225	>	checkCompletedNormally(f, null);
1226	>	r.assertInvoked();
1227	>	}}
1228
1229		/**
1230	<	* acceptEither result completes exceptionally after exceptional
1373	<	* completion of either source
1230	>	* failing runAsync completes exceptionally after running Runnable
1231		*/
1232	<	public void testAcceptEither2() {
1233	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1234	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1235	<	IncAction r = new IncAction();
1236	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1237	<	f.completeExceptionally(new CFException());
1238	<	f2.complete(one);
1239	<	checkCompletedWithWrappedCFException(g);
1240	<
1241	<	r = new IncAction();
1242	<	f = new CompletableFuture<>();
1243	<	f2 = new CompletableFuture<>();
1387	<	f2.completeExceptionally(new CFException());
1388	<	g = f.acceptEither(f2, r);
1389	<	checkCompletedWithWrappedCFException(g);
1390	<	}
1232	>	public void testRunAsync_exceptionalCompletion() {
1233	>	ExecutionMode[] executionModes = {
1234	>	ExecutionMode.ASYNC,
1235	>	ExecutionMode.EXECUTOR,
1236	>	};
1237	>	for (ExecutionMode m : executionModes)
1238	>	{
1239	>	final FailingRunnable r = new FailingRunnable(m);
1240	>	final CompletableFuture<Void> f = m.runAsync(r);
1241	>	checkCompletedWithWrappedException(f, r.ex);
1242	>	r.assertInvoked();
1243	>	}}
1244
1245	<	/**
1246	<	* acceptEither result completes exceptionally if action does
1247	<	*/
1248	<	public void testAcceptEither3() {
1249	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1250	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1251	<	FailingConsumer r = new FailingConsumer();
1252	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1400	<	f2.complete(two);
1401	<	checkCompletedWithWrappedCFException(g);
1402	<	}
1245	>	public void testRunAsync_rejectingExecutor() {
1246	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1247	>	try {
1248	>	CompletableFuture.runAsync(() -> {}, e);
1249	>	shouldThrow();
1250	>	} catch (Throwable t) {
1251	>	assertSame(e.ex, t);
1252	>	}
1253
1254	<	/**
1405	<	* acceptEither result completes exceptionally if either source cancelled
1406	<	*/
1407	<	public void testAcceptEither4() {
1408	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1409	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1410	<	IncAction r = new IncAction();
1411	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1412	<	assertTrue(f.cancel(true));
1413	<	checkCompletedWithWrappedCancellationException(g);
1414	<	f = new CompletableFuture<>();
1415	<	f2 = new CompletableFuture<>();
1416	<	assertTrue(f2.cancel(true));
1417	<	checkCompletedWithWrappedCancellationException(g);
1254	>	assertEquals(1, e.count.get());
1255		}
1256
1257		/**
1258	<	* runAfterEither result completes normally after normal completion
1422	<	* of either source
1258	>	* supplyAsync completes with result of supplier
1259		*/
1260	<	public void testRunAfterEither() {
1261	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1262	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1263	<	Noop r = new Noop();
1264	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1265	<	f.complete(one);
1266	<	checkCompletedNormally(g, null);
1267	<	f2.complete(one);
1268	<	checkCompletedNormally(g, null);
1269	<	assertTrue(r.ran);
1270	<
1271	<	r = new Noop();
1272	<	f = new CompletableFuture<>();
1273	<	f.complete(one);
1438	<	f2 = new CompletableFuture<>();
1439	<	g = f.runAfterEither(f2, r);
1440	<	checkCompletedNormally(g, null);
1441	<	assertTrue(r.ran);
1442	<	}
1260	>	public void testSupplyAsync_normalCompletion() {
1261	>	ExecutionMode[] executionModes = {
1262	>	ExecutionMode.ASYNC,
1263	>	ExecutionMode.EXECUTOR,
1264	>	};
1265	>	for (ExecutionMode m : executionModes)
1266	>	for (Integer v1 : new Integer[] { 1, null })
1267	>	{
1268	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1269	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1270	>	assertSame(v1, f.join());
1271	>	checkCompletedNormally(f, v1);
1272	>	r.assertInvoked();
1273	>	}}
1274
1275		/**
1276	<	* runAfterEither result completes exceptionally after exceptional
1446	<	* completion of either source
1276	>	* Failing supplyAsync completes exceptionally
1277		*/
1278	<	public void testRunAfterEither2() {
1279	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1280	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1281	<	Noop r = new Noop();
1282	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1283	<	f.completeExceptionally(new CFException());
1284	<	f2.complete(one);
1285	<	checkCompletedWithWrappedCFException(g);
1278	>	public void testSupplyAsync_exceptionalCompletion() {
1279	>	ExecutionMode[] executionModes = {
1280	>	ExecutionMode.ASYNC,
1281	>	ExecutionMode.EXECUTOR,
1282	>	};
1283	>	for (ExecutionMode m : executionModes)
1284	>	{
1285	>	FailingSupplier r = new FailingSupplier(m);
1286	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1287	>	checkCompletedWithWrappedException(f, r.ex);
1288	>	r.assertInvoked();
1289	>	}}
1290
1291	<	r = new Noop();
1292	<	f = new CompletableFuture<>();
1293	<	f2 = new CompletableFuture<>();
1294	<	f2.completeExceptionally(new CFException());
1295	<	g = f.runAfterEither(f2, r);
1296	<	checkCompletedWithWrappedCFException(g);
1297	<	}
1291	>	public void testSupplyAsync_rejectingExecutor() {
1292	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1293	>	try {
1294	>	CompletableFuture.supplyAsync(() -> null, e);
1295	>	shouldThrow();
1296	>	} catch (Throwable t) {
1297	>	assertSame(e.ex, t);
1298	>	}
1299
1300	<	/**
1466	<	* runAfterEither result completes exceptionally if action does
1467	<	*/
1468	<	public void testRunAfterEither3() {
1469	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1470	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1471	<	FailingNoop r = new FailingNoop();
1472	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1473	<	f2.complete(two);
1474	<	checkCompletedWithWrappedCFException(g);
1300	>	assertEquals(1, e.count.get());
1301		}
1302
1303	<	/**
1478	<	* runAfterEither result completes exceptionally if either source cancelled
1479	<	*/
1480	<	public void testRunAfterEither4() {
1481	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1482	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1483	<	Noop r = new Noop();
1484	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1485	<	assertTrue(f.cancel(true));
1486	<	checkCompletedWithWrappedCancellationException(g);
1487	<	f = new CompletableFuture<>();
1488	<	f2 = new CompletableFuture<>();
1489	<	assertTrue(f2.cancel(true));
1490	<	checkCompletedWithWrappedCancellationException(g);
1491	<	}
1303	>	// seq completion methods
1304
1305		/**
1306	<	* thenCompose result completes normally after normal completion of source
1306	>	* thenRun result completes normally after normal completion of source
1307		*/
1308	<	public void testThenCompose() {
1309	<	CompletableFuture<Integer> f, g;
1310	<	CompletableFutureInc r;
1311	<
1312	<	f = new CompletableFuture<>();
1313	<	g = f.thenCompose(r = new CompletableFutureInc());
1314	<	f.complete(one);
1503	<	checkCompletedNormally(g, two);
1504	<	assertTrue(r.ran);
1308	>	public void testThenRun_normalCompletion() {
1309	>	for (ExecutionMode m : ExecutionMode.values())
1310	>	for (Integer v1 : new Integer[] { 1, null })
1311	>	{
1312	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1313	>	final Noop[] rs = new Noop[6];
1314	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1315
1316	<	f = new CompletableFuture<>();
1317	<	f.complete(one);
1318	<	g = f.thenCompose(r = new CompletableFutureInc());
1319	<	checkCompletedNormally(g, two);
1320	<	assertTrue(r.ran);
1321	<	}
1316	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1317	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1318	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1319	>	checkIncomplete(h0);
1320	>	checkIncomplete(h1);
1321	>	checkIncomplete(h2);
1322	>	assertTrue(f.complete(v1));
1323	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1324	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1325	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1326	>
1327	>	checkCompletedNormally(h0, null);
1328	>	checkCompletedNormally(h1, null);
1329	>	checkCompletedNormally(h2, null);
1330	>	checkCompletedNormally(h3, null);
1331	>	checkCompletedNormally(h4, null);
1332	>	checkCompletedNormally(h5, null);
1333	>	checkCompletedNormally(f, v1);
1334	>	for (Noop r : rs) r.assertInvoked();
1335	>	}}
1336
1337		/**
1338	<	* thenCompose result completes exceptionally after exceptional
1338	>	* thenRun result completes exceptionally after exceptional
1339		* completion of source
1340		*/
1341	<	public void testThenCompose2() {
1342	<	CompletableFuture<Integer> f, g;
1343	<	CompletableFutureInc r;
1344	<
1345	<	f = new CompletableFuture<>();
1346	<	g = f.thenCompose(r = new CompletableFutureInc());
1347	<	f.completeExceptionally(new CFException());
1524	<	checkCompletedWithWrappedCFException(g);
1341	>	public void testThenRun_exceptionalCompletion() {
1342	>	for (ExecutionMode m : ExecutionMode.values())
1343	>	{
1344	>	final CFException ex = new CFException();
1345	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1346	>	final Noop[] rs = new Noop[6];
1347	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1348
1349	<	f = new CompletableFuture<>();
1350	<	f.completeExceptionally(new CFException());
1351	<	g = f.thenCompose(r = new CompletableFutureInc());
1352	<	checkCompletedWithWrappedCFException(g);
1353	<	}
1349	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1350	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1351	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1352	>	checkIncomplete(h0);
1353	>	checkIncomplete(h1);
1354	>	checkIncomplete(h2);
1355	>	assertTrue(f.completeExceptionally(ex));
1356	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1357	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1358	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1359	>
1360	>	checkCompletedWithWrappedException(h0, ex);
1361	>	checkCompletedWithWrappedException(h1, ex);
1362	>	checkCompletedWithWrappedException(h2, ex);
1363	>	checkCompletedWithWrappedException(h3, ex);
1364	>	checkCompletedWithWrappedException(h4, ex);
1365	>	checkCompletedWithWrappedException(h5, ex);
1366	>	checkCompletedExceptionally(f, ex);
1367	>	for (Noop r : rs) r.assertNotInvoked();
1368	>	}}
1369
1370		/**
1371	<	* thenCompose result completes exceptionally if action does
1371	>	* thenRun result completes exceptionally if source cancelled
1372		*/
1373	<	public void testThenCompose3() {
1374	<	CompletableFuture<Integer> f, g;
1375	<	FailingCompletableFutureFunction r;
1376	<
1377	<	f = new CompletableFuture<>();
1378	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1379	<	f.complete(one);
1542	<	checkCompletedWithWrappedCFException(g);
1373	>	public void testThenRun_sourceCancelled() {
1374	>	for (ExecutionMode m : ExecutionMode.values())
1375	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1376	>	{
1377	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1378	>	final Noop[] rs = new Noop[6];
1379	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1380
1381	<	f = new CompletableFuture<>();
1382	<	f.complete(one);
1383	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1384	<	checkCompletedWithWrappedCFException(g);
1385	<	}
1381	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1382	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1383	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1384	>	checkIncomplete(h0);
1385	>	checkIncomplete(h1);
1386	>	checkIncomplete(h2);
1387	>	assertTrue(f.cancel(mayInterruptIfRunning));
1388	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1389	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1390	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1391	>
1392	>	checkCompletedWithWrappedCancellationException(h0);
1393	>	checkCompletedWithWrappedCancellationException(h1);
1394	>	checkCompletedWithWrappedCancellationException(h2);
1395	>	checkCompletedWithWrappedCancellationException(h3);
1396	>	checkCompletedWithWrappedCancellationException(h4);
1397	>	checkCompletedWithWrappedCancellationException(h5);
1398	>	checkCancelled(f);
1399	>	for (Noop r : rs) r.assertNotInvoked();
1400	>	}}
1401
1402		/**
1403	<	* thenCompose result completes exceptionally if source cancelled
1403	>	* thenRun result completes exceptionally if action does
1404		*/
1405	<	public void testThenCompose4() {
1406	<	CompletableFuture<Integer> f, g;
1407	<	CompletableFutureInc r;
1408	<
1409	<	f = new CompletableFuture<>();
1410	<	g = f.thenCompose(r = new CompletableFutureInc());
1411	<	assertTrue(f.cancel(true));
1560	<	checkCompletedWithWrappedCancellationException(g);
1561	<
1562	<	f = new CompletableFuture<>();
1563	<	assertTrue(f.cancel(true));
1564	<	g = f.thenCompose(r = new CompletableFutureInc());
1565	<	checkCompletedWithWrappedCancellationException(g);
1566	<	}
1405	>	public void testThenRun_actionFailed() {
1406	>	for (ExecutionMode m : ExecutionMode.values())
1407	>	for (Integer v1 : new Integer[] { 1, null })
1408	>	{
1409	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1410	>	final FailingRunnable[] rs = new FailingRunnable[6];
1411	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1412
1413	<	// asyncs
1413	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1414	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1415	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1416	>	assertTrue(f.complete(v1));
1417	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1418	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1419	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1420	>
1421	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1422	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1423	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1424	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1425	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1426	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1427	>	checkCompletedNormally(f, v1);
1428	>	}}
1429
1430		/**
1431	<	* thenRunAsync result completes normally after normal completion of source
1431	>	* thenApply result completes normally after normal completion of source
1432		*/
1433	<	public void testThenRunAsync() {
1434	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1435	<	Noop r = new Noop();
1436	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1437	<	f.complete(null);
1438	<	checkCompletedNormally(g, null);
1433	>	public void testThenApply_normalCompletion() {
1434	>	for (ExecutionMode m : ExecutionMode.values())
1435	>	for (Integer v1 : new Integer[] { 1, null })
1436	>	{
1437	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1438	>	final IncFunction[] rs = new IncFunction[4];
1439	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1440
1441	<	// reordered version
1442	<	f = new CompletableFuture<>();
1443	<	f.complete(null);
1444	<	r = new Noop();
1445	<	g = f.thenRunAsync(r);
1446	<	checkCompletedNormally(g, null);
1447	<	}
1441	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1442	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1443	>	checkIncomplete(h0);
1444	>	checkIncomplete(h1);
1445	>	assertTrue(f.complete(v1));
1446	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1447	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1448	>
1449	>	checkCompletedNormally(h0, inc(v1));
1450	>	checkCompletedNormally(h1, inc(v1));
1451	>	checkCompletedNormally(h2, inc(v1));
1452	>	checkCompletedNormally(h3, inc(v1));
1453	>	checkCompletedNormally(f, v1);
1454	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1455	>	}}
1456
1457		/**
1458	<	* thenRunAsync result completes exceptionally after exceptional
1458	>	* thenApply result completes exceptionally after exceptional
1459		* completion of source
1460		*/
1461	<	public void testThenRunAsync2() {
1462	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1463	<	Noop r = new Noop();
1464	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1465	<	f.completeExceptionally(new CFException());
1466	<	try {
1467	<	g.join();
1599	<	shouldThrow();
1600	<	} catch (CompletionException success) {}
1601	<	checkCompletedWithWrappedCFException(g);
1602	<	}
1603	<
1604	<	/**
1605	<	* thenRunAsync result completes exceptionally if action does
1606	<	*/
1607	<	public void testThenRunAsync3() {
1608	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1609	<	FailingNoop r = new FailingNoop();
1610	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1611	<	f.complete(null);
1612	<	checkCompletedWithWrappedCFException(g);
1613	<	}
1614	<
1615	<	/**
1616	<	* thenRunAsync result completes exceptionally if source cancelled
1617	<	*/
1618	<	public void testThenRunAsync4() {
1619	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1620	<	Noop r = new Noop();
1621	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1622	<	assertTrue(f.cancel(true));
1623	<	checkCompletedWithWrappedCancellationException(g);
1624	<	}
1461	>	public void testThenApply_exceptionalCompletion() {
1462	>	for (ExecutionMode m : ExecutionMode.values())
1463	>	{
1464	>	final CFException ex = new CFException();
1465	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1466	>	final IncFunction[] rs = new IncFunction[4];
1467	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1468
1469	<	/**
1470	<	* thenApplyAsync result completes normally after normal completion of source
1471	<	*/
1472	<	public void testThenApplyAsync() {
1473	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1474	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1475	<	f.complete(one);
1476	<	checkCompletedNormally(g, two);
1477	<	}
1469	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1470	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1471	>	assertTrue(f.completeExceptionally(ex));
1472	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1473	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1474	>
1475	>	checkCompletedWithWrappedException(h0, ex);
1476	>	checkCompletedWithWrappedException(h1, ex);
1477	>	checkCompletedWithWrappedException(h2, ex);
1478	>	checkCompletedWithWrappedException(h3, ex);
1479	>	checkCompletedExceptionally(f, ex);
1480	>	for (IncFunction r : rs) r.assertNotInvoked();
1481	>	}}
1482
1483		/**
1484	<	* thenApplyAsync result completes exceptionally after exceptional
1638	<	* completion of source
1484	>	* thenApply result completes exceptionally if source cancelled
1485		*/
1486	<	public void testThenApplyAsync2() {
1487	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1488	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1489	<	f.completeExceptionally(new CFException());
1490	<	checkCompletedWithWrappedCFException(g);
1491	<	}
1486	>	public void testThenApply_sourceCancelled() {
1487	>	for (ExecutionMode m : ExecutionMode.values())
1488	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1489	>	{
1490	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1491	>	final IncFunction[] rs = new IncFunction[4];
1492	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1493
1494	<	/**
1495	<	* thenApplyAsync result completes exceptionally if action does
1496	<	*/
1497	<	public void testThenApplyAsync3() {
1498	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1652	<	FailingFunction r = new FailingFunction();
1653	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1654	<	f.complete(null);
1655	<	checkCompletedWithWrappedCFException(g);
1656	<	}
1494	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1495	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1496	>	assertTrue(f.cancel(mayInterruptIfRunning));
1497	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1498	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1499
1500	<	/**
1501	<	* thenApplyAsync result completes exceptionally if source cancelled
1502	<	*/
1503	<	public void testThenApplyAsync4() {
1504	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1505	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1506	<	assertTrue(f.cancel(true));
1665	<	checkCompletedWithWrappedCancellationException(g);
1666	<	}
1500	>	checkCompletedWithWrappedCancellationException(h0);
1501	>	checkCompletedWithWrappedCancellationException(h1);
1502	>	checkCompletedWithWrappedCancellationException(h2);
1503	>	checkCompletedWithWrappedCancellationException(h3);
1504	>	checkCancelled(f);
1505	>	for (IncFunction r : rs) r.assertNotInvoked();
1506	>	}}
1507
1508		/**
1509	<	* thenAcceptAsync result completes normally after normal
1670	<	* completion of source
1509	>	* thenApply result completes exceptionally if action does
1510		*/
1511	<	public void testThenAcceptAsync() {
1512	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1513	<	IncAction r = new IncAction();
1514	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1515	<	f.complete(one);
1516	<	checkCompletedNormally(g, null);
1517	<	assertEquals(r.value, 2);
1679	<	}
1511	>	public void testThenApply_actionFailed() {
1512	>	for (ExecutionMode m : ExecutionMode.values())
1513	>	for (Integer v1 : new Integer[] { 1, null })
1514	>	{
1515	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1516	>	final FailingFunction[] rs = new FailingFunction[4];
1517	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1518
1519	<	/**
1520	<	* thenAcceptAsync result completes exceptionally after exceptional
1521	<	* completion of source
1522	<	*/
1523	<	public void testThenAcceptAsync2() {
1524	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1525	<	IncAction r = new IncAction();
1526	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1527	<	f.completeExceptionally(new CFException());
1528	<	checkCompletedWithWrappedCFException(g);
1529	<	}
1519	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1520	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1521	>	assertTrue(f.complete(v1));
1522	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1523	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1524	>
1525	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1526	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1527	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1528	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1529	>	checkCompletedNormally(f, v1);
1530	>	}}
1531
1532		/**
1533	<	* thenAcceptAsync result completes exceptionally if action does
1533	>	* thenAccept result completes normally after normal completion of source
1534		*/
1535	<	public void testThenAcceptAsync3() {
1536	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1537	<	FailingConsumer r = new FailingConsumer();
1538	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1539	<	f.complete(null);
1540	<	checkCompletedWithWrappedCFException(g);
1541	<	}
1535	>	public void testThenAccept_normalCompletion() {
1536	>	for (ExecutionMode m : ExecutionMode.values())
1537	>	for (Integer v1 : new Integer[] { 1, null })
1538	>	{
1539	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1540	>	final NoopConsumer[] rs = new NoopConsumer[4];
1541	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1542
1543	<	/**
1544	<	* thenAcceptAsync result completes exceptionally if source cancelled
1545	<	*/
1546	<	public void testThenAcceptAsync4() {
1547	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1548	<	IncAction r = new IncAction();
1549	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1550	<	assertTrue(f.cancel(true));
1551	<	checkCompletedWithWrappedCancellationException(g);
1552	<	}
1543	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1544	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1545	>	checkIncomplete(h0);
1546	>	checkIncomplete(h1);
1547	>	assertTrue(f.complete(v1));
1548	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1549	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1550	>
1551	>	checkCompletedNormally(h0, null);
1552	>	checkCompletedNormally(h1, null);
1553	>	checkCompletedNormally(h2, null);
1554	>	checkCompletedNormally(h3, null);
1555	>	checkCompletedNormally(f, v1);
1556	>	for (NoopConsumer r : rs) r.assertValue(v1);
1557	>	}}
1558
1559		/**
1560	<	* thenCombineAsync result completes normally after normal
1561	<	* completion of sources
1560	>	* thenAccept result completes exceptionally after exceptional
1561	>	* completion of source
1562		*/
1563	<	public void testThenCombineAsync() {
1564	<	CompletableFuture<Integer> f, g, h;
1565	<
1566	<	f = new CompletableFuture<>();
1567	<	g = new CompletableFuture<>();
1568	<	h = f.thenCombineAsync(g, subtract);
1569	<	f.complete(3);
1726	<	checkIncomplete(h);
1727	<	g.complete(1);
1728	<	checkCompletedNormally(h, 2);
1729	<
1730	<	f = new CompletableFuture<>();
1731	<	g = new CompletableFuture<>();
1732	<	h = f.thenCombineAsync(g, subtract);
1733	<	g.complete(1);
1734	<	checkIncomplete(h);
1735	<	f.complete(3);
1736	<	checkCompletedNormally(h, 2);
1563	>	public void testThenAccept_exceptionalCompletion() {
1564	>	for (ExecutionMode m : ExecutionMode.values())
1565	>	{
1566	>	final CFException ex = new CFException();
1567	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1568	>	final NoopConsumer[] rs = new NoopConsumer[4];
1569	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1570
1571	<	f = new CompletableFuture<>();
1572	<	g = new CompletableFuture<>();
1573	<	g.complete(1);
1574	<	f.complete(3);
1575	<	h = f.thenCombineAsync(g, subtract);
1576	<	checkCompletedNormally(h, 2);
1577	<	}
1571	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1572	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1573	>	assertTrue(f.completeExceptionally(ex));
1574	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1575	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1576	>
1577	>	checkCompletedWithWrappedException(h0, ex);
1578	>	checkCompletedWithWrappedException(h1, ex);
1579	>	checkCompletedWithWrappedException(h2, ex);
1580	>	checkCompletedWithWrappedException(h3, ex);
1581	>	checkCompletedExceptionally(f, ex);
1582	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1583	>	}}
1584
1585		/**
1586	<	* thenCombineAsync result completes exceptionally after exceptional
1748	<	* completion of either source
1586	>	* thenAccept result completes exceptionally if source cancelled
1587		*/
1588	<	public void testThenCombineAsync2() {
1589	<	CompletableFuture<Integer> f, g, h;
1590	<
1591	<	f = new CompletableFuture<>();
1592	<	g = new CompletableFuture<>();
1593	<	h = f.thenCombineAsync(g, subtract);
1594	<	f.completeExceptionally(new CFException());
1757	<	checkIncomplete(h);
1758	<	g.complete(1);
1759	<	checkCompletedWithWrappedCFException(h);
1760	<
1761	<	f = new CompletableFuture<>();
1762	<	g = new CompletableFuture<>();
1763	<	h = f.thenCombineAsync(g, subtract);
1764	<	g.completeExceptionally(new CFException());
1765	<	checkIncomplete(h);
1766	<	f.complete(3);
1767	<	checkCompletedWithWrappedCFException(h);
1588	>	public void testThenAccept_sourceCancelled() {
1589	>	for (ExecutionMode m : ExecutionMode.values())
1590	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1591	>	{
1592	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1593	>	final NoopConsumer[] rs = new NoopConsumer[4];
1594	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1595
1596	<	f = new CompletableFuture<>();
1597	<	g = new CompletableFuture<>();
1598	<	g.completeExceptionally(new CFException());
1599	<	f.complete(3);
1600	<	h = f.thenCombineAsync(g, subtract);
1774	<	checkCompletedWithWrappedCFException(h);
1775	<	}
1596	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1597	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1598	>	assertTrue(f.cancel(mayInterruptIfRunning));
1599	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1600	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1601
1602	<	/**
1603	<	* thenCombineAsync result completes exceptionally if action does
1604	<	*/
1605	<	public void testThenCombineAsync3() {
1606	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1607	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1608	<	FailingBiFunction r = new FailingBiFunction();
1784	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1785	<	f.complete(one);
1786	<	checkIncomplete(g);
1787	<	assertFalse(r.ran);
1788	<	f2.complete(two);
1789	<	checkCompletedWithWrappedCFException(g);
1790	<	assertTrue(r.ran);
1791	<	}
1602	>	checkCompletedWithWrappedCancellationException(h0);
1603	>	checkCompletedWithWrappedCancellationException(h1);
1604	>	checkCompletedWithWrappedCancellationException(h2);
1605	>	checkCompletedWithWrappedCancellationException(h3);
1606	>	checkCancelled(f);
1607	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1608	>	}}
1609
1610		/**
1611	<	* thenCombineAsync result completes exceptionally if either source cancelled
1611	>	* thenAccept result completes exceptionally if action does
1612		*/
1613	<	public void testThenCombineAsync4() {
1614	<	CompletableFuture<Integer> f, g, h;
1615	<
1616	<	f = new CompletableFuture<>();
1617	<	g = new CompletableFuture<>();
1618	<	h = f.thenCombineAsync(g, subtract);
1619	<	assertTrue(f.cancel(true));
1803	<	checkIncomplete(h);
1804	<	g.complete(1);
1805	<	checkCompletedWithWrappedCancellationException(h);
1806	<
1807	<	f = new CompletableFuture<>();
1808	<	g = new CompletableFuture<>();
1809	<	h = f.thenCombineAsync(g, subtract);
1810	<	assertTrue(g.cancel(true));
1811	<	checkIncomplete(h);
1812	<	f.complete(3);
1813	<	checkCompletedWithWrappedCancellationException(h);
1814	<
1815	<	f = new CompletableFuture<>();
1816	<	g = new CompletableFuture<>();
1817	<	g.complete(3);
1818	<	assertTrue(f.cancel(true));
1819	<	h = f.thenCombineAsync(g, subtract);
1820	<	checkCompletedWithWrappedCancellationException(h);
1613	>	public void testThenAccept_actionFailed() {
1614	>	for (ExecutionMode m : ExecutionMode.values())
1615	>	for (Integer v1 : new Integer[] { 1, null })
1616	>	{
1617	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1618	>	final FailingConsumer[] rs = new FailingConsumer[4];
1619	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1620
1621	<	f = new CompletableFuture<>();
1622	<	g = new CompletableFuture<>();
1623	<	f.complete(3);
1624	<	assertTrue(g.cancel(true));
1625	<	h = f.thenCombineAsync(g, subtract);
1626	<	checkCompletedWithWrappedCancellationException(h);
1627	<	}
1621	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1622	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1623	>	assertTrue(f.complete(v1));
1624	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1625	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1626	>
1627	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1628	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1629	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1630	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1631	>	checkCompletedNormally(f, v1);
1632	>	}}
1633
1634		/**
1635	<	* thenAcceptBothAsync result completes normally after normal
1636	<	* completion of sources
1635	>	* thenCombine result completes normally after normal completion
1636	>	* of sources
1637		*/
1638	<	public void testThenAcceptBothAsync() {
1639	<	CompletableFuture<Integer> f, g;
1640	<	CompletableFuture<Void> h;
1641	<	SubtractAction r;
1642	<
1643	<	f = new CompletableFuture<>();
1644	<	g = new CompletableFuture<>();
1645	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1646	<	f.complete(3);
1647	<	checkIncomplete(h);
1844	<	g.complete(1);
1845	<	checkCompletedNormally(h, null);
1846	<	assertEquals(r.value, 2);
1638	>	public void testThenCombine_normalCompletion() {
1639	>	for (ExecutionMode m : ExecutionMode.values())
1640	>	for (boolean fFirst : new boolean[] { true, false })
1641	>	for (Integer v1 : new Integer[] { 1, null })
1642	>	for (Integer v2 : new Integer[] { 2, null })
1643	>	{
1644	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1645	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1646	>	final SubtractFunction[] rs = new SubtractFunction[6];
1647	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1648
1649	<	f = new CompletableFuture<>();
1650	<	g = new CompletableFuture<>();
1651	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1652	<	g.complete(1);
1653	<	checkIncomplete(h);
1654	<	f.complete(3);
1655	<	checkCompletedNormally(h, null);
1656	<	assertEquals(r.value, 2);
1649	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1650	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1651	>	final Integer w1 =  fFirst ? v1 : v2;
1652	>	final Integer w2 = !fFirst ? v1 : v2;
1653	>
1654	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1655	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1656	>	assertTrue(fst.complete(w1));
1657	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1658	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1659	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1660	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1661	>	checkCompletedNormally(h1, subtract(w1, w1));
1662	>	checkCompletedNormally(h3, subtract(w1, w1));
1663	>	rs[1].assertValue(subtract(w1, w1));
1664	>	rs[3].assertValue(subtract(w1, w1));
1665	>	assertTrue(snd.complete(w2));
1666	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1667	>
1668	>	checkCompletedNormally(h0, subtract(v1, v2));
1669	>	checkCompletedNormally(h2, subtract(v1, v2));
1670	>	checkCompletedNormally(h4, subtract(v1, v2));
1671	>	rs[0].assertValue(subtract(v1, v2));
1672	>	rs[2].assertValue(subtract(v1, v2));
1673	>	rs[4].assertValue(subtract(v1, v2));
1674
1675	<	f = new CompletableFuture<>();
1676	<	g = new CompletableFuture<>();
1677	<	g.complete(1);
1860	<	f.complete(3);
1861	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1862	<	checkCompletedNormally(h, null);
1863	<	assertEquals(r.value, 2);
1864	<	}
1675	>	checkCompletedNormally(f, v1);
1676	>	checkCompletedNormally(g, v2);
1677	>	}}
1678
1679		/**
1680	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1681	<	* completion of source
1680	>	* thenCombine result completes exceptionally after exceptional
1681	>	* completion of either source
1682		*/
1683	<	public void testThenAcceptBothAsync2() {
1684	<	CompletableFuture<Integer> f, g;
1685	<	CompletableFuture<Void> h;
1686	<	SubtractAction r;
1687	<
1688	<	f = new CompletableFuture<>();
1689	<	g = new CompletableFuture<>();
1690	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1691	<	f.completeExceptionally(new CFException());
1692	<	checkIncomplete(h);
1693	<	g.complete(1);
1694	<	checkCompletedWithWrappedCFException(h);
1695	<
1696	<	f = new CompletableFuture<>();
1697	<	g = new CompletableFuture<>();
1698	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1699	<	g.completeExceptionally(new CFException());
1700	<	checkIncomplete(h);
1701	<	f.complete(3);
1702	<	checkCompletedWithWrappedCFException(h);
1703	<
1704	<	f = new CompletableFuture<>();
1705	<	g = new CompletableFuture<>();
1706	<	f.complete(3);
1707	<	g.completeExceptionally(new CFException());
1708	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1709	<	checkCompletedWithWrappedCFException(h);
1710	<
1711	<	f = new CompletableFuture<>();
1712	<	g = new CompletableFuture<>();
1713	<	f.completeExceptionally(new CFException());
1714	<	g.complete(3);
1715	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1716	<	checkCompletedWithWrappedCFException(h);
1717	<	}
1683	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1684	>	for (ExecutionMode m : ExecutionMode.values())
1685	>	for (boolean fFirst : new boolean[] { true, false })
1686	>	for (boolean failFirst : new boolean[] { true, false })
1687	>	for (Integer v1 : new Integer[] { 1, null })
1688	>	{
1689	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1690	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1691	>	final CFException ex = new CFException();
1692	>	final SubtractFunction r1 = new SubtractFunction(m);
1693	>	final SubtractFunction r2 = new SubtractFunction(m);
1694	>	final SubtractFunction r3 = new SubtractFunction(m);
1695	>
1696	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1697	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1698	>	final Callable<Boolean> complete1 = failFirst ?
1699	>	() -> fst.completeExceptionally(ex) :
1700	>	() -> fst.complete(v1);
1701	>	final Callable<Boolean> complete2 = failFirst ?
1702	>	() -> snd.complete(v1) :
1703	>	() -> snd.completeExceptionally(ex);
1704	>
1705	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1706	>	assertTrue(complete1.call());
1707	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1708	>	checkIncomplete(h1);
1709	>	checkIncomplete(h2);
1710	>	assertTrue(complete2.call());
1711	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1712	>
1713	>	checkCompletedWithWrappedException(h1, ex);
1714	>	checkCompletedWithWrappedException(h2, ex);
1715	>	checkCompletedWithWrappedException(h3, ex);
1716	>	r1.assertNotInvoked();
1717	>	r2.assertNotInvoked();
1718	>	r3.assertNotInvoked();
1719	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1720	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1721	>	}}
1722
1723		/**
1724	<	* thenAcceptBothAsync result completes exceptionally if action does
1724	>	* thenCombine result completes exceptionally if either source cancelled
1725		*/
1726	<	public void testThenAcceptBothAsync3() {
1727	<	CompletableFuture<Integer> f, g;
1728	<	CompletableFuture<Void> h;
1729	<	FailingBiConsumer r;
1730	<
1731	<	f = new CompletableFuture<>();
1732	<	g = new CompletableFuture<>();
1733	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1734	<	f.complete(3);
1735	<	checkIncomplete(h);
1736	<	g.complete(1);
1737	<	checkCompletedWithWrappedCFException(h);
1738	<
1739	<	f = new CompletableFuture<>();
1740	<	g = new CompletableFuture<>();
1741	<	f.complete(3);
1742	<	g.complete(1);
1743	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1744	<	checkCompletedWithWrappedCFException(h);
1745	<	}
1726	>	public void testThenCombine_sourceCancelled() throws Throwable {
1727	>	for (ExecutionMode m : ExecutionMode.values())
1728	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1729	>	for (boolean fFirst : new boolean[] { true, false })
1730	>	for (boolean failFirst : new boolean[] { true, false })
1731	>	for (Integer v1 : new Integer[] { 1, null })
1732	>	{
1733	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1734	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1735	>	final SubtractFunction r1 = new SubtractFunction(m);
1736	>	final SubtractFunction r2 = new SubtractFunction(m);
1737	>	final SubtractFunction r3 = new SubtractFunction(m);
1738	>
1739	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1740	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1741	>	final Callable<Boolean> complete1 = failFirst ?
1742	>	() -> fst.cancel(mayInterruptIfRunning) :
1743	>	() -> fst.complete(v1);
1744	>	final Callable<Boolean> complete2 = failFirst ?
1745	>	() -> snd.complete(v1) :
1746	>	() -> snd.cancel(mayInterruptIfRunning);
1747	>
1748	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1749	>	assertTrue(complete1.call());
1750	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1751	>	checkIncomplete(h1);
1752	>	checkIncomplete(h2);
1753	>	assertTrue(complete2.call());
1754	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1755	>
1756	>	checkCompletedWithWrappedCancellationException(h1);
1757	>	checkCompletedWithWrappedCancellationException(h2);
1758	>	checkCompletedWithWrappedCancellationException(h3);
1759	>	r1.assertNotInvoked();
1760	>	r2.assertNotInvoked();
1761	>	r3.assertNotInvoked();
1762	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1763	>	checkCancelled(failFirst ? fst : snd);
1764	>	}}
1765
1766		/**
1767	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
1767	>	* thenCombine result completes exceptionally if action does
1768		*/
1769	<	public void testThenAcceptBothAsync4() {
1770	<	CompletableFuture<Integer> f, g;
1771	<	CompletableFuture<Void> h;
1772	<	SubtractAction r;
1773	<
1774	<	f = new CompletableFuture<>();
1775	<	g = new CompletableFuture<>();
1776	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1777	<	assertTrue(f.cancel(true));
1778	<	checkIncomplete(h);
1779	<	g.complete(1);
1780	<	checkCompletedWithWrappedCancellationException(h);
1781	<
1782	<	f = new CompletableFuture<>();
1783	<	g = new CompletableFuture<>();
1784	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1785	<	assertTrue(g.cancel(true));
1786	<	checkIncomplete(h);
1787	<	f.complete(3);
1788	<	checkCompletedWithWrappedCancellationException(h);
1789	<
1790	<	f = new CompletableFuture<>();
1791	<	g = new CompletableFuture<>();
1792	<	f.complete(3);
1793	<	assertTrue(g.cancel(true));
1794	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1795	<	checkCompletedWithWrappedCancellationException(h);
1796	<
1797	<	f = new CompletableFuture<>();
1798	<	g = new CompletableFuture<>();
1799	<	assertTrue(f.cancel(true));
1800	<	g.complete(3);
1965	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1966	<	checkCompletedWithWrappedCancellationException(h);
1967	<	}
1769	>	public void testThenCombine_actionFailed() {
1770	>	for (ExecutionMode m : ExecutionMode.values())
1771	>	for (boolean fFirst : new boolean[] { true, false })
1772	>	for (Integer v1 : new Integer[] { 1, null })
1773	>	for (Integer v2 : new Integer[] { 2, null })
1774	>	{
1775	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1776	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1777	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1778	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1779	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1780	>
1781	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1782	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1783	>	final Integer w1 =  fFirst ? v1 : v2;
1784	>	final Integer w2 = !fFirst ? v1 : v2;
1785	>
1786	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1787	>	assertTrue(fst.complete(w1));
1788	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1789	>	assertTrue(snd.complete(w2));
1790	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1791	>
1792	>	checkCompletedWithWrappedException(h1, r1.ex);
1793	>	checkCompletedWithWrappedException(h2, r2.ex);
1794	>	checkCompletedWithWrappedException(h3, r3.ex);
1795	>	r1.assertInvoked();
1796	>	r2.assertInvoked();
1797	>	r3.assertInvoked();
1798	>	checkCompletedNormally(f, v1);
1799	>	checkCompletedNormally(g, v2);
1800	>	}}
1801
1802		/**
1803	<	* applyToEitherAsync result completes normally after normal
1803	>	* thenAcceptBoth result completes normally after normal
1804		* completion of sources
1805		*/
1806	<	public void testApplyToEitherAsync() {
1807	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1808	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1809	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1810	<	f.complete(one);
1811	<	checkCompletedNormally(g, two);
1812	<
1813	<	f = new CompletableFuture<>();
1814	<	f.complete(one);
1815	<	f2 = new CompletableFuture<>();
1816	<	g = f.applyToEitherAsync(f2, inc);
1817	<	checkCompletedNormally(g, two);
1818	<	}
1806	>	public void testThenAcceptBoth_normalCompletion() {
1807	>	for (ExecutionMode m : ExecutionMode.values())
1808	>	for (boolean fFirst : new boolean[] { true, false })
1809	>	for (Integer v1 : new Integer[] { 1, null })
1810	>	for (Integer v2 : new Integer[] { 2, null })
1811	>	{
1812	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1813	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1814	>	final SubtractAction r1 = new SubtractAction(m);
1815	>	final SubtractAction r2 = new SubtractAction(m);
1816	>	final SubtractAction r3 = new SubtractAction(m);
1817	>
1818	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1819	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1820	>	final Integer w1 =  fFirst ? v1 : v2;
1821	>	final Integer w2 = !fFirst ? v1 : v2;
1822	>
1823	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1824	>	assertTrue(fst.complete(w1));
1825	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1826	>	checkIncomplete(h1);
1827	>	checkIncomplete(h2);
1828	>	r1.assertNotInvoked();
1829	>	r2.assertNotInvoked();
1830	>	assertTrue(snd.complete(w2));
1831	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1832	>
1833	>	checkCompletedNormally(h1, null);
1834	>	checkCompletedNormally(h2, null);
1835	>	checkCompletedNormally(h3, null);
1836	>	r1.assertValue(subtract(v1, v2));
1837	>	r2.assertValue(subtract(v1, v2));
1838	>	r3.assertValue(subtract(v1, v2));
1839	>	checkCompletedNormally(f, v1);
1840	>	checkCompletedNormally(g, v2);
1841	>	}}
1842
1843		/**
1844	<	* applyToEitherAsync result completes exceptionally after exceptional
1845	<	* completion of source
1844	>	* thenAcceptBoth result completes exceptionally after exceptional
1845	>	* completion of either source
1846		*/
1847	<	public void testApplyToEitherAsync2() {
1848	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1849	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1850	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1851	<	f.completeExceptionally(new CFException());
1852	<	checkCompletedWithWrappedCFException(g);
1853	<
1854	<	f = new CompletableFuture<>();
1855	<	f2 = new CompletableFuture<>();
1856	<	f2.completeExceptionally(new CFException());
1857	<	g = f.applyToEitherAsync(f2, inc);
1858	<	f.complete(one);
1859	<	checkCompletedWithWrappedCFException(g);
1860	<	}
1847	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1848	>	for (ExecutionMode m : ExecutionMode.values())
1849	>	for (boolean fFirst : new boolean[] { true, false })
1850	>	for (boolean failFirst : new boolean[] { true, false })
1851	>	for (Integer v1 : new Integer[] { 1, null })
1852	>	{
1853	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1854	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1855	>	final CFException ex = new CFException();
1856	>	final SubtractAction r1 = new SubtractAction(m);
1857	>	final SubtractAction r2 = new SubtractAction(m);
1858	>	final SubtractAction r3 = new SubtractAction(m);
1859	>
1860	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1861	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1862	>	final Callable<Boolean> complete1 = failFirst ?
1863	>	() -> fst.completeExceptionally(ex) :
1864	>	() -> fst.complete(v1);
1865	>	final Callable<Boolean> complete2 = failFirst ?
1866	>	() -> snd.complete(v1) :
1867	>	() -> snd.completeExceptionally(ex);
1868	>
1869	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1870	>	assertTrue(complete1.call());
1871	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1872	>	checkIncomplete(h1);
1873	>	checkIncomplete(h2);
1874	>	assertTrue(complete2.call());
1875	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1876	>
1877	>	checkCompletedWithWrappedException(h1, ex);
1878	>	checkCompletedWithWrappedException(h2, ex);
1879	>	checkCompletedWithWrappedException(h3, ex);
1880	>	r1.assertNotInvoked();
1881	>	r2.assertNotInvoked();
1882	>	r3.assertNotInvoked();
1883	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1884	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1885	>	}}
1886
1887		/**
1888	<	* applyToEitherAsync result completes exceptionally if action does
1888	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1889		*/
1890	<	public void testApplyToEitherAsync3() {
1891	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1892	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1893	<	FailingFunction r = new FailingFunction();
1894	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1895	<	f.complete(one);
1896	<	checkCompletedWithWrappedCFException(g);
1897	<	}
1890	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1891	>	for (ExecutionMode m : ExecutionMode.values())
1892	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1893	>	for (boolean fFirst : new boolean[] { true, false })
1894	>	for (boolean failFirst : new boolean[] { true, false })
1895	>	for (Integer v1 : new Integer[] { 1, null })
1896	>	{
1897	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1898	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1899	>	final SubtractAction r1 = new SubtractAction(m);
1900	>	final SubtractAction r2 = new SubtractAction(m);
1901	>	final SubtractAction r3 = new SubtractAction(m);
1902	>
1903	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1904	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1905	>	final Callable<Boolean> complete1 = failFirst ?
1906	>	() -> fst.cancel(mayInterruptIfRunning) :
1907	>	() -> fst.complete(v1);
1908	>	final Callable<Boolean> complete2 = failFirst ?
1909	>	() -> snd.complete(v1) :
1910	>	() -> snd.cancel(mayInterruptIfRunning);
1911	>
1912	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1913	>	assertTrue(complete1.call());
1914	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1915	>	checkIncomplete(h1);
1916	>	checkIncomplete(h2);
1917	>	assertTrue(complete2.call());
1918	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1919	>
1920	>	checkCompletedWithWrappedCancellationException(h1);
1921	>	checkCompletedWithWrappedCancellationException(h2);
1922	>	checkCompletedWithWrappedCancellationException(h3);
1923	>	r1.assertNotInvoked();
1924	>	r2.assertNotInvoked();
1925	>	r3.assertNotInvoked();
1926	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1927	>	checkCancelled(failFirst ? fst : snd);
1928	>	}}
1929
1930		/**
1931	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1931	>	* thenAcceptBoth result completes exceptionally if action does
1932		*/
1933	<	public void testApplyToEitherAsync4() {
1934	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1935	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1936	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1937	<	assertTrue(f.cancel(true));
1938	<	checkCompletedWithWrappedCancellationException(g);
1939	<
1940	<	f = new CompletableFuture<>();
1941	<	f2 = new CompletableFuture<>();
1942	<	assertTrue(f2.cancel(true));
1943	<	g = f.applyToEitherAsync(f2, inc);
1944	<	checkCompletedWithWrappedCancellationException(g);
1945	<	}
1933	>	public void testThenAcceptBoth_actionFailed() {
1934	>	for (ExecutionMode m : ExecutionMode.values())
1935	>	for (boolean fFirst : new boolean[] { true, false })
1936	>	for (Integer v1 : new Integer[] { 1, null })
1937	>	for (Integer v2 : new Integer[] { 2, null })
1938	>	{
1939	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1940	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1941	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1942	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1943	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1944	>
1945	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1946	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1947	>	final Integer w1 =  fFirst ? v1 : v2;
1948	>	final Integer w2 = !fFirst ? v1 : v2;
1949	>
1950	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1951	>	assertTrue(fst.complete(w1));
1952	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1953	>	assertTrue(snd.complete(w2));
1954	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1955	>
1956	>	checkCompletedWithWrappedException(h1, r1.ex);
1957	>	checkCompletedWithWrappedException(h2, r2.ex);
1958	>	checkCompletedWithWrappedException(h3, r3.ex);
1959	>	r1.assertInvoked();
1960	>	r2.assertInvoked();
1961	>	r3.assertInvoked();
1962	>	checkCompletedNormally(f, v1);
1963	>	checkCompletedNormally(g, v2);
1964	>	}}
1965
1966		/**
1967	<	* acceptEitherAsync result completes normally after normal
1967	>	* runAfterBoth result completes normally after normal
1968		* completion of sources
1969		*/
1970	<	public void testAcceptEitherAsync() {
1971	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1972	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1973	<	IncAction r = new IncAction();
1974	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1975	<	f.complete(one);
1976	<	checkCompletedNormally(g, null);
1977	<	assertEquals(r.value, 2);
1978	<
1979	<	r = new IncAction();
1980	<	f = new CompletableFuture<>();
1981	<	f.complete(one);
1982	<	f2 = new CompletableFuture<>();
1983	<	g = f.acceptEitherAsync(f2, r);
1984	<	checkCompletedNormally(g, null);
1985	<	assertEquals(r.value, 2);
1986	<	}
1987	<
1988	<	/**
1989	<	* acceptEitherAsync result completes exceptionally after exceptional
1990	<	* completion of source
1991	<	*/
1992	<	public void testAcceptEitherAsync2() {
1993	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1994	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1995	<	IncAction r = new IncAction();
1996	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1997	<	f.completeExceptionally(new CFException());
1998	<	checkCompletedWithWrappedCFException(g);
1999	<
2000	<	r = new IncAction();
2001	<	f = new CompletableFuture<>();
2002	<	f2 = new CompletableFuture<>();
2003	<	f2.completeExceptionally(new CFException());
2004	<	g = f.acceptEitherAsync(f2, r);
2005	<	f.complete(one);
2075	<	checkCompletedWithWrappedCFException(g);
2076	<	}
2077	<
2078	<	/**
2079	<	* acceptEitherAsync result completes exceptionally if action does
2080	<	*/
2081	<	public void testAcceptEitherAsync3() {
2082	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2083	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2084	<	FailingConsumer r = new FailingConsumer();
2085	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2086	<	f.complete(one);
2087	<	checkCompletedWithWrappedCFException(g);
2088	<	}
2089	<
2090	<	/**
2091	<	* acceptEitherAsync result completes exceptionally if either
2092	<	* source cancelled
2093	<	*/
2094	<	public void testAcceptEitherAsync4() {
2095	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2096	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2097	<	IncAction r = new IncAction();
2098	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2099	<	assertTrue(f.cancel(true));
2100	<	checkCompletedWithWrappedCancellationException(g);
2101	<
2102	<	r = new IncAction();
2103	<	f = new CompletableFuture<>();
2104	<	f2 = new CompletableFuture<>();
2105	<	assertTrue(f2.cancel(true));
2106	<	g = f.acceptEitherAsync(f2, r);
2107	<	checkCompletedWithWrappedCancellationException(g);
2108	<	}
1970	>	public void testRunAfterBoth_normalCompletion() {
1971	>	for (ExecutionMode m : ExecutionMode.values())
1972	>	for (boolean fFirst : new boolean[] { true, false })
1973	>	for (Integer v1 : new Integer[] { 1, null })
1974	>	for (Integer v2 : new Integer[] { 2, null })
1975	>	{
1976	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1977	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1978	>	final Noop r1 = new Noop(m);
1979	>	final Noop r2 = new Noop(m);
1980	>	final Noop r3 = new Noop(m);
1981	>
1982	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1983	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1984	>	final Integer w1 =  fFirst ? v1 : v2;
1985	>	final Integer w2 = !fFirst ? v1 : v2;
1986	>
1987	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1988	>	assertTrue(fst.complete(w1));
1989	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1990	>	checkIncomplete(h1);
1991	>	checkIncomplete(h2);
1992	>	r1.assertNotInvoked();
1993	>	r2.assertNotInvoked();
1994	>	assertTrue(snd.complete(w2));
1995	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1996	>
1997	>	checkCompletedNormally(h1, null);
1998	>	checkCompletedNormally(h2, null);
1999	>	checkCompletedNormally(h3, null);
2000	>	r1.assertInvoked();
2001	>	r2.assertInvoked();
2002	>	r3.assertInvoked();
2003	>	checkCompletedNormally(f, v1);
2004	>	checkCompletedNormally(g, v2);
2005	>	}}
2006
2007		/**
2008	<	* runAfterEitherAsync result completes normally after normal
2009	<	* completion of sources
2008	>	* runAfterBoth result completes exceptionally after exceptional
2009	>	* completion of either source
2010		*/
2011	<	public void testRunAfterEitherAsync() {
2012	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2013	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2014	<	Noop r = new Noop();
2015	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2016	<	f.complete(one);
2017	<	checkCompletedNormally(g, null);
2018	<	assertTrue(r.ran);
2019	<
2020	<	r = new Noop();
2021	<	f = new CompletableFuture<>();
2022	<	f.complete(one);
2023	<	f2 = new CompletableFuture<>();
2024	<	g = f.runAfterEitherAsync(f2, r);
2025	<	checkCompletedNormally(g, null);
2026	<	assertTrue(r.ran);
2027	<	}
2011	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2012	>	for (ExecutionMode m : ExecutionMode.values())
2013	>	for (boolean fFirst : new boolean[] { true, false })
2014	>	for (boolean failFirst : new boolean[] { true, false })
2015	>	for (Integer v1 : new Integer[] { 1, null })
2016	>	{
2017	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2018	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2019	>	final CFException ex = new CFException();
2020	>	final Noop r1 = new Noop(m);
2021	>	final Noop r2 = new Noop(m);
2022	>	final Noop r3 = new Noop(m);
2023	>
2024	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2025	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2026	>	final Callable<Boolean> complete1 = failFirst ?
2027	>	() -> fst.completeExceptionally(ex) :
2028	>	() -> fst.complete(v1);
2029	>	final Callable<Boolean> complete2 = failFirst ?
2030	>	() -> snd.complete(v1) :
2031	>	() -> snd.completeExceptionally(ex);
2032	>
2033	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2034	>	assertTrue(complete1.call());
2035	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2036	>	checkIncomplete(h1);
2037	>	checkIncomplete(h2);
2038	>	assertTrue(complete2.call());
2039	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2040	>
2041	>	checkCompletedWithWrappedException(h1, ex);
2042	>	checkCompletedWithWrappedException(h2, ex);
2043	>	checkCompletedWithWrappedException(h3, ex);
2044	>	r1.assertNotInvoked();
2045	>	r2.assertNotInvoked();
2046	>	r3.assertNotInvoked();
2047	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2048	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2049	>	}}
2050
2051		/**
2052	<	* runAfterEitherAsync result completes exceptionally after exceptional
2134	<	* completion of source
2052	>	* runAfterBoth result completes exceptionally if either source cancelled
2053		*/
2054	<	public void testRunAfterEitherAsync2() {
2055	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2056	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2057	<	Noop r = new Noop();
2058	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2059	<	f.completeExceptionally(new CFException());
2060	<	checkCompletedWithWrappedCFException(g);
2061	<
2062	<	r = new Noop();
2063	<	f = new CompletableFuture<>();
2064	<	f2 = new CompletableFuture<>();
2065	<	f2.completeExceptionally(new CFException());
2066	<	g = f.runAfterEitherAsync(f2, r);
2067	<	f.complete(one);
2068	<	checkCompletedWithWrappedCFException(g);
2069	<	}
2054	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2055	>	for (ExecutionMode m : ExecutionMode.values())
2056	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2057	>	for (boolean fFirst : new boolean[] { true, false })
2058	>	for (boolean failFirst : new boolean[] { true, false })
2059	>	for (Integer v1 : new Integer[] { 1, null })
2060	>	{
2061	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2062	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2063	>	final Noop r1 = new Noop(m);
2064	>	final Noop r2 = new Noop(m);
2065	>	final Noop r3 = new Noop(m);
2066	>
2067	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2068	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2069	>	final Callable<Boolean> complete1 = failFirst ?
2070	>	() -> fst.cancel(mayInterruptIfRunning) :
2071	>	() -> fst.complete(v1);
2072	>	final Callable<Boolean> complete2 = failFirst ?
2073	>	() -> snd.complete(v1) :
2074	>	() -> snd.cancel(mayInterruptIfRunning);
2075	>
2076	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2077	>	assertTrue(complete1.call());
2078	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2079	>	checkIncomplete(h1);
2080	>	checkIncomplete(h2);
2081	>	assertTrue(complete2.call());
2082	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2083	>
2084	>	checkCompletedWithWrappedCancellationException(h1);
2085	>	checkCompletedWithWrappedCancellationException(h2);
2086	>	checkCompletedWithWrappedCancellationException(h3);
2087	>	r1.assertNotInvoked();
2088	>	r2.assertNotInvoked();
2089	>	r3.assertNotInvoked();
2090	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2091	>	checkCancelled(failFirst ? fst : snd);
2092	>	}}
2093
2094		/**
2095	<	* runAfterEitherAsync result completes exceptionally if action does
2095	>	* runAfterBoth result completes exceptionally if action does
2096		*/
2097	<	public void testRunAfterEitherAsync3() {
2098	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2099	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2100	<	FailingNoop r = new FailingNoop();
2101	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2102	<	f.complete(one);
2103	<	checkCompletedWithWrappedCFException(g);
2104	<	}
2097	>	public void testRunAfterBoth_actionFailed() {
2098	>	for (ExecutionMode m : ExecutionMode.values())
2099	>	for (boolean fFirst : new boolean[] { true, false })
2100	>	for (Integer v1 : new Integer[] { 1, null })
2101	>	for (Integer v2 : new Integer[] { 2, null })
2102	>	{
2103	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2104	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2105	>	final FailingRunnable r1 = new FailingRunnable(m);
2106	>	final FailingRunnable r2 = new FailingRunnable(m);
2107	>	final FailingRunnable r3 = new FailingRunnable(m);
2108	>
2109	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2110	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2111	>	final Integer w1 =  fFirst ? v1 : v2;
2112	>	final Integer w2 = !fFirst ? v1 : v2;
2113	>
2114	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2115	>	assertTrue(fst.complete(w1));
2116	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2117	>	assertTrue(snd.complete(w2));
2118	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2119	>
2120	>	checkCompletedWithWrappedException(h1, r1.ex);
2121	>	checkCompletedWithWrappedException(h2, r2.ex);
2122	>	checkCompletedWithWrappedException(h3, r3.ex);
2123	>	r1.assertInvoked();
2124	>	r2.assertInvoked();
2125	>	r3.assertInvoked();
2126	>	checkCompletedNormally(f, v1);
2127	>	checkCompletedNormally(g, v2);
2128	>	}}
2129
2130		/**
2131	<	* runAfterEitherAsync result completes exceptionally if either
2132	<	* source cancelled
2131	>	* applyToEither result completes normally after normal completion
2132	>	* of either source
2133		*/
2134	<	public void testRunAfterEitherAsync4() {
2135	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2136	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2137	<	Noop r = new Noop();
2138	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2139	<	assertTrue(f.cancel(true));
2140	<	checkCompletedWithWrappedCancellationException(g);
2141	<
2142	<	r = new Noop();
2178	<	f = new CompletableFuture<>();
2179	<	f2 = new CompletableFuture<>();
2180	<	assertTrue(f2.cancel(true));
2181	<	g = f.runAfterEitherAsync(f2, r);
2182	<	checkCompletedWithWrappedCancellationException(g);
2183	<	}
2134	>	public void testApplyToEither_normalCompletion() {
2135	>	for (ExecutionMode m : ExecutionMode.values())
2136	>	for (Integer v1 : new Integer[] { 1, null })
2137	>	for (Integer v2 : new Integer[] { 2, null })
2138	>	{
2139	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2140	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2141	>	final IncFunction[] rs = new IncFunction[6];
2142	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2143
2144	<	/**
2145	<	* thenComposeAsync result completes normally after normal
2146	<	* completion of source
2147	<	*/
2148	<	public void testThenComposeAsync() {
2149	<	CompletableFuture<Integer> f, g;
2150	<	CompletableFutureInc r;
2144	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2145	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2146	>	checkIncomplete(h0);
2147	>	checkIncomplete(h1);
2148	>	rs[0].assertNotInvoked();
2149	>	rs[1].assertNotInvoked();
2150	>	f.complete(v1);
2151	>	checkCompletedNormally(h0, inc(v1));
2152	>	checkCompletedNormally(h1, inc(v1));
2153	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2154	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2155	>	checkCompletedNormally(h2, inc(v1));
2156	>	checkCompletedNormally(h3, inc(v1));
2157	>	g.complete(v2);
2158
2159	<	f = new CompletableFuture<>();
2160	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2161	<	f.complete(one);
2162	<	checkCompletedNormally(g, two);
2159	>	// unspecified behavior - both source completions available
2160	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2161	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2162	>	rs[4].assertValue(h4.join());
2163	>	rs[5].assertValue(h5.join());
2164	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2165	>	Objects.equals(inc(v2), h4.join()));
2166	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2167	>	Objects.equals(inc(v2), h5.join()));
2168
2169	<	f = new CompletableFuture<>();
2170	<	f.complete(one);
2171	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2172	<	checkCompletedNormally(g, two);
2173	<	}
2169	>	checkCompletedNormally(f, v1);
2170	>	checkCompletedNormally(g, v2);
2171	>	checkCompletedNormally(h0, inc(v1));
2172	>	checkCompletedNormally(h1, inc(v1));
2173	>	checkCompletedNormally(h2, inc(v1));
2174	>	checkCompletedNormally(h3, inc(v1));
2175	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2176	>	}}
2177
2178		/**
2179	<	* thenComposeAsync result completes exceptionally after
2180	<	* exceptional completion of source
2179	>	* applyToEither result completes exceptionally after exceptional
2180	>	* completion of either source
2181		*/
2182	<	public void testThenComposeAsync2() {
2183	<	CompletableFuture<Integer> f, g;
2184	<	CompletableFutureInc r;
2185	<
2186	<	f = new CompletableFuture<>();
2187	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2188	<	f.completeExceptionally(new CFException());
2189	<	checkCompletedWithWrappedCFException(g);
2190	<	assertFalse(r.ran);
2217	<
2218	<	f = new CompletableFuture<>();
2219	<	f.completeExceptionally(new CFException());
2220	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2221	<	checkCompletedWithWrappedCFException(g);
2222	<	assertFalse(r.ran);
2223	<	}
2182	>	public void testApplyToEither_exceptionalCompletion() {
2183	>	for (ExecutionMode m : ExecutionMode.values())
2184	>	for (Integer v1 : new Integer[] { 1, null })
2185	>	{
2186	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2187	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2188	>	final CFException ex = new CFException();
2189	>	final IncFunction[] rs = new IncFunction[6];
2190	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2191
2192	<	/**
2193	<	* thenComposeAsync result completes exceptionally if action does
2194	<	*/
2195	<	public void testThenComposeAsync3() {
2196	<	CompletableFuture<Integer> f, g;
2197	<	FailingCompletableFutureFunction r;
2192	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2193	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2194	>	checkIncomplete(h0);
2195	>	checkIncomplete(h1);
2196	>	rs[0].assertNotInvoked();
2197	>	rs[1].assertNotInvoked();
2198	>	f.completeExceptionally(ex);
2199	>	checkCompletedWithWrappedException(h0, ex);
2200	>	checkCompletedWithWrappedException(h1, ex);
2201	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2202	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2203	>	checkCompletedWithWrappedException(h2, ex);
2204	>	checkCompletedWithWrappedException(h3, ex);
2205	>	g.complete(v1);
2206
2207	<	f = new CompletableFuture<>();
2208	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2209	<	f.complete(one);
2210	<	checkCompletedWithWrappedCFException(g);
2207	>	// unspecified behavior - both source completions available
2208	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2209	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2210	>	try {
2211	>	assertEquals(inc(v1), h4.join());
2212	>	rs[4].assertValue(inc(v1));
2213	>	} catch (CompletionException ok) {
2214	>	checkCompletedWithWrappedException(h4, ex);
2215	>	rs[4].assertNotInvoked();
2216	>	}
2217	>	try {
2218	>	assertEquals(inc(v1), h5.join());
2219	>	rs[5].assertValue(inc(v1));
2220	>	} catch (CompletionException ok) {
2221	>	checkCompletedWithWrappedException(h5, ex);
2222	>	rs[5].assertNotInvoked();
2223	>	}
2224
2225	<	f = new CompletableFuture<>();
2226	<	f.complete(one);
2227	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2228	<	checkCompletedWithWrappedCFException(g);
2229	<	}
2225	>	checkCompletedExceptionally(f, ex);
2226	>	checkCompletedNormally(g, v1);
2227	>	checkCompletedWithWrappedException(h0, ex);
2228	>	checkCompletedWithWrappedException(h1, ex);
2229	>	checkCompletedWithWrappedException(h2, ex);
2230	>	checkCompletedWithWrappedException(h3, ex);
2231	>	checkCompletedWithWrappedException(h4, ex);
2232	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2233	>	}}
2234
2235	<	/**
2236	<	* thenComposeAsync result completes exceptionally if source cancelled
2237	<	*/
2238	<	public void testThenComposeAsync4() {
2239	<	CompletableFuture<Integer> f, g;
2240	<	CompletableFutureInc r;
2235	>	public void testApplyToEither_exceptionalCompletion2() {
2236	>	for (ExecutionMode m : ExecutionMode.values())
2237	>	for (boolean fFirst : new boolean[] { true, false })
2238	>	for (Integer v1 : new Integer[] { 1, null })
2239	>	{
2240	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2241	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2242	>	final CFException ex = new CFException();
2243	>	final IncFunction[] rs = new IncFunction[6];
2244	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2245
2246	<	f = new CompletableFuture<>();
2247	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2248	<	assertTrue(f.cancel(true));
2249	<	checkCompletedWithWrappedCancellationException(g);
2246	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2247	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2248	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2249	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2250	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2251	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2252
2253	<	f = new CompletableFuture<>();
2254	<	assertTrue(f.cancel(true));
2255	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2256	<	checkCompletedWithWrappedCancellationException(g);
2257	<	}
2253	>	// unspecified behavior - both source completions available
2254	>	try {
2255	>	assertEquals(inc(v1), h0.join());
2256	>	rs[0].assertValue(inc(v1));
2257	>	} catch (CompletionException ok) {
2258	>	checkCompletedWithWrappedException(h0, ex);
2259	>	rs[0].assertNotInvoked();
2260	>	}
2261	>	try {
2262	>	assertEquals(inc(v1), h1.join());
2263	>	rs[1].assertValue(inc(v1));
2264	>	} catch (CompletionException ok) {
2265	>	checkCompletedWithWrappedException(h1, ex);
2266	>	rs[1].assertNotInvoked();
2267	>	}
2268	>	try {
2269	>	assertEquals(inc(v1), h2.join());
2270	>	rs[2].assertValue(inc(v1));
2271	>	} catch (CompletionException ok) {
2272	>	checkCompletedWithWrappedException(h2, ex);
2273	>	rs[2].assertNotInvoked();
2274	>	}
2275	>	try {
2276	>	assertEquals(inc(v1), h3.join());
2277	>	rs[3].assertValue(inc(v1));
2278	>	} catch (CompletionException ok) {
2279	>	checkCompletedWithWrappedException(h3, ex);
2280	>	rs[3].assertNotInvoked();
2281	>	}
2282
2283	<	// async with explicit executors
2283	>	checkCompletedNormally(f, v1);
2284	>	checkCompletedExceptionally(g, ex);
2285	>	}}
2286
2287		/**
2288	<	* thenRunAsync result completes normally after normal completion of source
2288	>	* applyToEither result completes exceptionally if either source cancelled
2289		*/
2290	<	public void testThenRunAsyncE() {
2291	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2292	<	Noop r = new Noop();
2293	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2294	<	f.complete(null);
2295	<	checkCompletedNormally(g, null);
2290	>	public void testApplyToEither_sourceCancelled() {
2291	>	for (ExecutionMode m : ExecutionMode.values())
2292	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2293	>	for (Integer v1 : new Integer[] { 1, null })
2294	>	{
2295	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2296	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2297	>	final IncFunction[] rs = new IncFunction[6];
2298	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2299
2300	<	// reordered version
2301	<	f = new CompletableFuture<>();
2302	<	f.complete(null);
2303	<	r = new Noop();
2304	<	g = f.thenRunAsync(r, new ThreadExecutor());
2305	<	checkCompletedNormally(g, null);
2306	<	}
2300	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2301	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2302	>	checkIncomplete(h0);
2303	>	checkIncomplete(h1);
2304	>	rs[0].assertNotInvoked();
2305	>	rs[1].assertNotInvoked();
2306	>	f.cancel(mayInterruptIfRunning);
2307	>	checkCompletedWithWrappedCancellationException(h0);
2308	>	checkCompletedWithWrappedCancellationException(h1);
2309	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2310	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2311	>	checkCompletedWithWrappedCancellationException(h2);
2312	>	checkCompletedWithWrappedCancellationException(h3);
2313	>	g.complete(v1);
2314
2315	<	/**
2316	<	* thenRunAsync result completes exceptionally after exceptional
2317	<	* completion of source
2284	<	*/
2285	<	public void testThenRunAsync2E() {
2286	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2287	<	Noop r = new Noop();
2288	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2289	<	f.completeExceptionally(new CFException());
2315	>	// unspecified behavior - both source completions available
2316	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2317	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2318		try {
2319	<	g.join();
2320	<	shouldThrow();
2321	<	} catch (CompletionException success) {}
2322	<	checkCompletedWithWrappedCFException(g);
2323	<	}
2319	>	assertEquals(inc(v1), h4.join());
2320	>	rs[4].assertValue(inc(v1));
2321	>	} catch (CompletionException ok) {
2322	>	checkCompletedWithWrappedCancellationException(h4);
2323	>	rs[4].assertNotInvoked();
2324	>	}
2325	>	try {
2326	>	assertEquals(inc(v1), h5.join());
2327	>	rs[5].assertValue(inc(v1));
2328	>	} catch (CompletionException ok) {
2329	>	checkCompletedWithWrappedCancellationException(h5);
2330	>	rs[5].assertNotInvoked();
2331	>	}
2332
2333	<	/**
2334	<	* thenRunAsync result completes exceptionally if action does
2335	<	*/
2336	<	public void testThenRunAsync3E() {
2337	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2338	<	FailingNoop r = new FailingNoop();
2339	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2340	<	f.complete(null);
2305	<	checkCompletedWithWrappedCFException(g);
2306	<	}
2333	>	checkCancelled(f);
2334	>	checkCompletedNormally(g, v1);
2335	>	checkCompletedWithWrappedCancellationException(h0);
2336	>	checkCompletedWithWrappedCancellationException(h1);
2337	>	checkCompletedWithWrappedCancellationException(h2);
2338	>	checkCompletedWithWrappedCancellationException(h3);
2339	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2340	>	}}
2341
2342	<	/**
2343	<	* thenRunAsync result completes exceptionally if source cancelled
2344	<	*/
2345	<	public void testThenRunAsync4E() {
2346	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2347	<	Noop r = new Noop();
2348	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2349	<	assertTrue(f.cancel(true));
2350	<	checkCompletedWithWrappedCancellationException(g);
2351	<	}
2342	>	public void testApplyToEither_sourceCancelled2() {
2343	>	for (ExecutionMode m : ExecutionMode.values())
2344	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2345	>	for (boolean fFirst : new boolean[] { true, false })
2346	>	for (Integer v1 : new Integer[] { 1, null })
2347	>	{
2348	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2349	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2350	>	final IncFunction[] rs = new IncFunction[6];
2351	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2352
2353	<	/**
2354	<	* thenApplyAsync result completes normally after normal completion of source
2355	<	*/
2356	<	public void testThenApplyAsyncE() {
2357	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2358	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2325	<	f.complete(one);
2326	<	checkCompletedNormally(g, two);
2327	<	}
2353	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2354	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2355	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2356	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2357	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2358	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2359
2360	<	/**
2361	<	* thenApplyAsync result completes exceptionally after exceptional
2362	<	* completion of source
2363	<	*/
2364	<	public void testThenApplyAsync2E() {
2365	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2366	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2367	<	f.completeExceptionally(new CFException());
2368	<	checkCompletedWithWrappedCFException(g);
2369	<	}
2360	>	// unspecified behavior - both source completions available
2361	>	try {
2362	>	assertEquals(inc(v1), h0.join());
2363	>	rs[0].assertValue(inc(v1));
2364	>	} catch (CompletionException ok) {
2365	>	checkCompletedWithWrappedCancellationException(h0);
2366	>	rs[0].assertNotInvoked();
2367	>	}
2368	>	try {
2369	>	assertEquals(inc(v1), h1.join());
2370	>	rs[1].assertValue(inc(v1));
2371	>	} catch (CompletionException ok) {
2372	>	checkCompletedWithWrappedCancellationException(h1);
2373	>	rs[1].assertNotInvoked();
2374	>	}
2375	>	try {
2376	>	assertEquals(inc(v1), h2.join());
2377	>	rs[2].assertValue(inc(v1));
2378	>	} catch (CompletionException ok) {
2379	>	checkCompletedWithWrappedCancellationException(h2);
2380	>	rs[2].assertNotInvoked();
2381	>	}
2382	>	try {
2383	>	assertEquals(inc(v1), h3.join());
2384	>	rs[3].assertValue(inc(v1));
2385	>	} catch (CompletionException ok) {
2386	>	checkCompletedWithWrappedCancellationException(h3);
2387	>	rs[3].assertNotInvoked();
2388	>	}
2389
2390	<	/**
2391	<	* thenApplyAsync result completes exceptionally if action does
2392	<	*/
2343	<	public void testThenApplyAsync3E() {
2344	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2345	<	FailingFunction r = new FailingFunction();
2346	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2347	<	f.complete(null);
2348	<	checkCompletedWithWrappedCFException(g);
2349	<	}
2390	>	checkCompletedNormally(f, v1);
2391	>	checkCancelled(g);
2392	>	}}
2393
2394		/**
2395	<	* thenApplyAsync result completes exceptionally if source cancelled
2395	>	* applyToEither result completes exceptionally if action does
2396		*/
2397	<	public void testThenApplyAsync4E() {
2398	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2399	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2400	<	assertTrue(f.cancel(true));
2401	<	checkCompletedWithWrappedCancellationException(g);
2402	<	}
2397	>	public void testApplyToEither_actionFailed() {
2398	>	for (ExecutionMode m : ExecutionMode.values())
2399	>	for (Integer v1 : new Integer[] { 1, null })
2400	>	for (Integer v2 : new Integer[] { 2, null })
2401	>	{
2402	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2403	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2404	>	final FailingFunction[] rs = new FailingFunction[6];
2405	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2406
2407	<	/**
2408	<	* thenAcceptAsync result completes normally after normal
2409	<	* completion of source
2410	<	*/
2411	<	public void testThenAcceptAsyncE() {
2412	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2413	<	IncAction r = new IncAction();
2414	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2415	<	f.complete(one);
2416	<	checkCompletedNormally(g, null);
2371	<	assertEquals(r.value, 2);
2372	<	}
2407	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2408	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2409	>	f.complete(v1);
2410	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2411	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2412	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2413	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2414	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2415	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2416	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2417
2418	<	/**
2375	<	* thenAcceptAsync result completes exceptionally after exceptional
2376	<	* completion of source
2377	<	*/
2378	<	public void testThenAcceptAsync2E() {
2379	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2380	<	IncAction r = new IncAction();
2381	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2382	<	f.completeExceptionally(new CFException());
2383	<	checkCompletedWithWrappedCFException(g);
2384	<	}
2418	>	g.complete(v2);
2419
2420	<	/**
2421	<	* thenAcceptAsync result completes exceptionally if action does
2422	<	*/
2423	<	public void testThenAcceptAsync3E() {
2424	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2425	<	FailingConsumer r = new FailingConsumer();
2426	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2427	<	f.complete(null);
2428	<	checkCompletedWithWrappedCFException(g);
2429	<	}
2420	>	// unspecified behavior - both source completions available
2421	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2422	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2423	>
2424	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2425	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2426	>	Objects.equals(v2, rs[4].value));
2427	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2428	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2429	>	Objects.equals(v2, rs[5].value));
2430
2431	<	/**
2432	<	* thenAcceptAsync result completes exceptionally if source cancelled
2433	<	*/
2400	<	public void testThenAcceptAsync4E() {
2401	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2402	<	IncAction r = new IncAction();
2403	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2404	<	assertTrue(f.cancel(true));
2405	<	checkCompletedWithWrappedCancellationException(g);
2406	<	}
2431	>	checkCompletedNormally(f, v1);
2432	>	checkCompletedNormally(g, v2);
2433	>	}}
2434
2435		/**
2436	<	* thenCombineAsync result completes normally after normal
2437	<	* completion of sources
2436	>	* acceptEither result completes normally after normal completion
2437	>	* of either source
2438		*/
2439	<	public void testThenCombineAsyncE() {
2440	<	CompletableFuture<Integer> f, g, h;
2441	<	ThreadExecutor e = new ThreadExecutor();
2442	<	int count = 0;
2439	>	public void testAcceptEither_normalCompletion() {
2440	>	for (ExecutionMode m : ExecutionMode.values())
2441	>	for (Integer v1 : new Integer[] { 1, null })
2442	>	for (Integer v2 : new Integer[] { 2, null })
2443	>	{
2444	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2445	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2446	>	final NoopConsumer[] rs = new NoopConsumer[6];
2447	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2448
2449	<	f = new CompletableFuture<>();
2450	<	g = new CompletableFuture<>();
2451	<	h = f.thenCombineAsync(g, subtract, e);
2452	<	f.complete(3);
2453	<	checkIncomplete(h);
2454	<	g.complete(1);
2455	<	checkCompletedNormally(h, 2);
2456	<	assertEquals(++count, e.count.get());
2449	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2450	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2451	>	checkIncomplete(h0);
2452	>	checkIncomplete(h1);
2453	>	rs[0].assertNotInvoked();
2454	>	rs[1].assertNotInvoked();
2455	>	f.complete(v1);
2456	>	checkCompletedNormally(h0, null);
2457	>	checkCompletedNormally(h1, null);
2458	>	rs[0].assertValue(v1);
2459	>	rs[1].assertValue(v1);
2460	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2461	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2462	>	checkCompletedNormally(h2, null);
2463	>	checkCompletedNormally(h3, null);
2464	>	rs[2].assertValue(v1);
2465	>	rs[3].assertValue(v1);
2466	>	g.complete(v2);
2467
2468	<	f = new CompletableFuture<>();
2469	<	g = new CompletableFuture<>();
2470	<	h = f.thenCombineAsync(g, subtract, e);
2471	<	g.complete(1);
2472	<	checkIncomplete(h);
2473	<	f.complete(3);
2474	<	checkCompletedNormally(h, 2);
2475	<	assertEquals(++count, e.count.get());
2468	>	// unspecified behavior - both source completions available
2469	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2470	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2471	>	checkCompletedNormally(h4, null);
2472	>	checkCompletedNormally(h5, null);
2473	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2474	>	Objects.equals(v2, rs[4].value));
2475	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2476	>	Objects.equals(v2, rs[5].value));
2477
2478	<	f = new CompletableFuture<>();
2479	<	g = new CompletableFuture<>();
2480	<	g.complete(1);
2481	<	f.complete(3);
2482	<	h = f.thenCombineAsync(g, subtract, e);
2483	<	checkCompletedNormally(h, 2);
2484	<	assertEquals(++count, e.count.get());
2485	<	}
2478	>	checkCompletedNormally(f, v1);
2479	>	checkCompletedNormally(g, v2);
2480	>	checkCompletedNormally(h0, null);
2481	>	checkCompletedNormally(h1, null);
2482	>	checkCompletedNormally(h2, null);
2483	>	checkCompletedNormally(h3, null);
2484	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2485	>	}}
2486
2487		/**
2488	<	* thenCombineAsync result completes exceptionally after exceptional
2488	>	* acceptEither result completes exceptionally after exceptional
2489		* completion of either source
2490		*/
2491	<	public void testThenCombineAsync2E() {
2492	<	CompletableFuture<Integer> f, g, h;
2493	<	ThreadExecutor e = new ThreadExecutor();
2494	<	int count = 0;
2495	<
2496	<	f = new CompletableFuture<>();
2497	<	g = new CompletableFuture<>();
2498	<	h = f.thenCombineAsync(g, subtract, e);
2499	<	f.completeExceptionally(new CFException());
2457	<	checkIncomplete(h);
2458	<	g.complete(1);
2459	<	checkCompletedWithWrappedCFException(h);
2460	<
2461	<	f = new CompletableFuture<>();
2462	<	g = new CompletableFuture<>();
2463	<	h = f.thenCombineAsync(g, subtract, e);
2464	<	g.completeExceptionally(new CFException());
2465	<	checkIncomplete(h);
2466	<	f.complete(3);
2467	<	checkCompletedWithWrappedCFException(h);
2468	<
2469	<	f = new CompletableFuture<>();
2470	<	g = new CompletableFuture<>();
2471	<	g.completeExceptionally(new CFException());
2472	<	h = f.thenCombineAsync(g, subtract, e);
2473	<	checkIncomplete(h);
2474	<	f.complete(3);
2475	<	checkCompletedWithWrappedCFException(h);
2491	>	public void testAcceptEither_exceptionalCompletion() {
2492	>	for (ExecutionMode m : ExecutionMode.values())
2493	>	for (Integer v1 : new Integer[] { 1, null })
2494	>	{
2495	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2496	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2497	>	final CFException ex = new CFException();
2498	>	final NoopConsumer[] rs = new NoopConsumer[6];
2499	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2500
2501	<	assertEquals(0, e.count.get());
2502	<	}
2501	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2502	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2503	>	checkIncomplete(h0);
2504	>	checkIncomplete(h1);
2505	>	rs[0].assertNotInvoked();
2506	>	rs[1].assertNotInvoked();
2507	>	f.completeExceptionally(ex);
2508	>	checkCompletedWithWrappedException(h0, ex);
2509	>	checkCompletedWithWrappedException(h1, ex);
2510	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2511	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2512	>	checkCompletedWithWrappedException(h2, ex);
2513	>	checkCompletedWithWrappedException(h3, ex);
2514
2515	<	/**
2481	<	* thenCombineAsync result completes exceptionally if action does
2482	<	*/
2483	<	public void testThenCombineAsync3E() {
2484	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2485	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2486	<	FailingBiFunction r = new FailingBiFunction();
2487	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2488	<	f.complete(one);
2489	<	checkIncomplete(g);
2490	<	assertFalse(r.ran);
2491	<	f2.complete(two);
2492	<	checkCompletedWithWrappedCFException(g);
2493	<	assertTrue(r.ran);
2494	<	}
2515	>	g.complete(v1);
2516
2517	<	/**
2518	<	* thenCombineAsync result completes exceptionally if either source cancelled
2519	<	*/
2520	<	public void testThenCombineAsync4E() {
2521	<	CompletableFuture<Integer> f, g, h;
2522	<	ThreadExecutor e = new ThreadExecutor();
2517	>	// unspecified behavior - both source completions available
2518	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2519	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2520	>	try {
2521	>	assertNull(h4.join());
2522	>	rs[4].assertValue(v1);
2523	>	} catch (CompletionException ok) {
2524	>	checkCompletedWithWrappedException(h4, ex);
2525	>	rs[4].assertNotInvoked();
2526	>	}
2527	>	try {
2528	>	assertNull(h5.join());
2529	>	rs[5].assertValue(v1);
2530	>	} catch (CompletionException ok) {
2531	>	checkCompletedWithWrappedException(h5, ex);
2532	>	rs[5].assertNotInvoked();
2533	>	}
2534
2535	<	f = new CompletableFuture<>();
2536	<	g = new CompletableFuture<>();
2537	<	h = f.thenCombineAsync(g, subtract, e);
2538	<	assertTrue(f.cancel(true));
2539	<	checkIncomplete(h);
2540	<	g.complete(1);
2541	<	checkCompletedWithWrappedCancellationException(h);
2535	>	checkCompletedExceptionally(f, ex);
2536	>	checkCompletedNormally(g, v1);
2537	>	checkCompletedWithWrappedException(h0, ex);
2538	>	checkCompletedWithWrappedException(h1, ex);
2539	>	checkCompletedWithWrappedException(h2, ex);
2540	>	checkCompletedWithWrappedException(h3, ex);
2541	>	checkCompletedWithWrappedException(h4, ex);
2542	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2543	>	}}
2544
2545	<	f = new CompletableFuture<>();
2546	<	g = new CompletableFuture<>();
2547	<	h = f.thenCombineAsync(g, subtract, e);
2548	<	assertTrue(g.cancel(true));
2549	<	checkIncomplete(h);
2550	<	f.complete(3);
2551	<	checkCompletedWithWrappedCancellationException(h);
2545	>	public void testAcceptEither_exceptionalCompletion2() {
2546	>	for (ExecutionMode m : ExecutionMode.values())
2547	>	for (boolean fFirst : new boolean[] { true, false })
2548	>	for (Integer v1 : new Integer[] { 1, null })
2549	>	{
2550	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2551	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2552	>	final CFException ex = new CFException();
2553	>	final NoopConsumer[] rs = new NoopConsumer[6];
2554	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2555
2556	<	f = new CompletableFuture<>();
2557	<	g = new CompletableFuture<>();
2558	<	assertTrue(g.cancel(true));
2559	<	h = f.thenCombineAsync(g, subtract, e);
2560	<	checkIncomplete(h);
2561	<	f.complete(3);
2525	<	checkCompletedWithWrappedCancellationException(h);
2556	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2557	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2558	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2559	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2560	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2561	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2562
2563	<	f = new CompletableFuture<>();
2564	<	g = new CompletableFuture<>();
2565	<	assertTrue(f.cancel(true));
2566	<	assertTrue(g.cancel(true));
2567	<	h = f.thenCombineAsync(g, subtract, e);
2568	<	checkCompletedWithWrappedCancellationException(h);
2563	>	// unspecified behavior - both source completions available
2564	>	try {
2565	>	assertEquals(null, h0.join());
2566	>	rs[0].assertValue(v1);
2567	>	} catch (CompletionException ok) {
2568	>	checkCompletedWithWrappedException(h0, ex);
2569	>	rs[0].assertNotInvoked();
2570	>	}
2571	>	try {
2572	>	assertEquals(null, h1.join());
2573	>	rs[1].assertValue(v1);
2574	>	} catch (CompletionException ok) {
2575	>	checkCompletedWithWrappedException(h1, ex);
2576	>	rs[1].assertNotInvoked();
2577	>	}
2578	>	try {
2579	>	assertEquals(null, h2.join());
2580	>	rs[2].assertValue(v1);
2581	>	} catch (CompletionException ok) {
2582	>	checkCompletedWithWrappedException(h2, ex);
2583	>	rs[2].assertNotInvoked();
2584	>	}
2585	>	try {
2586	>	assertEquals(null, h3.join());
2587	>	rs[3].assertValue(v1);
2588	>	} catch (CompletionException ok) {
2589	>	checkCompletedWithWrappedException(h3, ex);
2590	>	rs[3].assertNotInvoked();
2591	>	}
2592
2593	<	assertEquals(0, e.count.get());
2594	<	}
2593	>	checkCompletedNormally(f, v1);
2594	>	checkCompletedExceptionally(g, ex);
2595	>	}}
2596
2597		/**
2598	<	* thenAcceptBothAsync result completes normally after normal
2539	<	* completion of sources
2598	>	* acceptEither result completes exceptionally if either source cancelled
2599		*/
2600	<	public void testThenAcceptBothAsyncE() {
2601	<	CompletableFuture<Integer> f, g;
2602	<	CompletableFuture<Void> h;
2603	<	SubtractAction r;
2604	<	ThreadExecutor e = new ThreadExecutor();
2600	>	public void testAcceptEither_sourceCancelled() {
2601	>	for (ExecutionMode m : ExecutionMode.values())
2602	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2603	>	for (Integer v1 : new Integer[] { 1, null })
2604	>	{
2605	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2606	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2607	>	final NoopConsumer[] rs = new NoopConsumer[6];
2608	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2609
2610	<	f = new CompletableFuture<>();
2611	<	g = new CompletableFuture<>();
2612	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2613	<	f.complete(3);
2614	<	checkIncomplete(h);
2615	<	g.complete(1);
2616	<	checkCompletedNormally(h, null);
2617	<	assertEquals(r.value, 2);
2610	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2611	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2612	>	checkIncomplete(h0);
2613	>	checkIncomplete(h1);
2614	>	rs[0].assertNotInvoked();
2615	>	rs[1].assertNotInvoked();
2616	>	f.cancel(mayInterruptIfRunning);
2617	>	checkCompletedWithWrappedCancellationException(h0);
2618	>	checkCompletedWithWrappedCancellationException(h1);
2619	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2620	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2621	>	checkCompletedWithWrappedCancellationException(h2);
2622	>	checkCompletedWithWrappedCancellationException(h3);
2623
2624	<	f = new CompletableFuture<>();
2557	<	g = new CompletableFuture<>();
2558	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2559	<	g.complete(1);
2560	<	checkIncomplete(h);
2561	<	f.complete(3);
2562	<	checkCompletedNormally(h, null);
2563	<	assertEquals(r.value, 2);
2624	>	g.complete(v1);
2625
2626	<	f = new CompletableFuture<>();
2627	<	g = new CompletableFuture<>();
2628	<	g.complete(1);
2629	<	f.complete(3);
2630	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2631	<	checkCompletedNormally(h, null);
2632	<	assertEquals(r.value, 2);
2626	>	// unspecified behavior - both source completions available
2627	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2628	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2629	>	try {
2630	>	assertNull(h4.join());
2631	>	rs[4].assertValue(v1);
2632	>	} catch (CompletionException ok) {
2633	>	checkCompletedWithWrappedCancellationException(h4);
2634	>	rs[4].assertNotInvoked();
2635	>	}
2636	>	try {
2637	>	assertNull(h5.join());
2638	>	rs[5].assertValue(v1);
2639	>	} catch (CompletionException ok) {
2640	>	checkCompletedWithWrappedCancellationException(h5);
2641	>	rs[5].assertNotInvoked();
2642	>	}
2643
2644	<	assertEquals(3, e.count.get());
2645	<	}
2644	>	checkCancelled(f);
2645	>	checkCompletedNormally(g, v1);
2646	>	checkCompletedWithWrappedCancellationException(h0);
2647	>	checkCompletedWithWrappedCancellationException(h1);
2648	>	checkCompletedWithWrappedCancellationException(h2);
2649	>	checkCompletedWithWrappedCancellationException(h3);
2650	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2651	>	}}
2652
2653		/**
2654	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2578	<	* completion of source
2654	>	* acceptEither result completes exceptionally if action does
2655		*/
2656	<	public void testThenAcceptBothAsync2E() {
2657	<	CompletableFuture<Integer> f, g;
2658	<	CompletableFuture<Void> h;
2659	<	SubtractAction r;
2660	<	ThreadExecutor e = new ThreadExecutor();
2661	<
2662	<	f = new CompletableFuture<>();
2663	<	g = new CompletableFuture<>();
2664	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2589	<	f.completeExceptionally(new CFException());
2590	<	checkIncomplete(h);
2591	<	g.complete(1);
2592	<	checkCompletedWithWrappedCFException(h);
2593	<
2594	<	f = new CompletableFuture<>();
2595	<	g = new CompletableFuture<>();
2596	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2597	<	g.completeExceptionally(new CFException());
2598	<	checkIncomplete(h);
2599	<	f.complete(3);
2600	<	checkCompletedWithWrappedCFException(h);
2601	<
2602	<	f = new CompletableFuture<>();
2603	<	g = new CompletableFuture<>();
2604	<	f.complete(3);
2605	<	g.completeExceptionally(new CFException());
2606	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2607	<	checkCompletedWithWrappedCFException(h);
2608	<
2609	<	f = new CompletableFuture<>();
2610	<	g = new CompletableFuture<>();
2611	<	f.completeExceptionally(new CFException());
2612	<	g.complete(3);
2613	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2614	<	checkCompletedWithWrappedCFException(h);
2615	<
2616	<	assertEquals(0, e.count.get());
2617	<	}
2656	>	public void testAcceptEither_actionFailed() {
2657	>	for (ExecutionMode m : ExecutionMode.values())
2658	>	for (Integer v1 : new Integer[] { 1, null })
2659	>	for (Integer v2 : new Integer[] { 2, null })
2660	>	{
2661	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2662	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2663	>	final FailingConsumer[] rs = new FailingConsumer[6];
2664	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2665
2666	<	/**
2667	<	* thenAcceptBothAsync result completes exceptionally if action does
2668	<	*/
2669	<	public void testThenAcceptBothAsync3E() {
2670	<	CompletableFuture<Integer> f, g;
2671	<	CompletableFuture<Void> h;
2672	<	FailingBiConsumer r;
2673	<	ThreadExecutor e = new ThreadExecutor();
2666	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2667	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2668	>	f.complete(v1);
2669	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2670	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2671	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2672	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2673	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2674	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2675	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2676
2677	<	f = new CompletableFuture<>();
2629	<	g = new CompletableFuture<>();
2630	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2631	<	f.complete(3);
2632	<	checkIncomplete(h);
2633	<	g.complete(1);
2634	<	checkCompletedWithWrappedCFException(h);
2677	>	g.complete(v2);
2678
2679	<	f = new CompletableFuture<>();
2680	<	g = new CompletableFuture<>();
2681	<	f.complete(3);
2682	<	g.complete(1);
2683	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2684	<	checkCompletedWithWrappedCFException(h);
2679	>	// unspecified behavior - both source completions available
2680	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2681	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2682	>
2683	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2684	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2685	>	Objects.equals(v2, rs[4].value));
2686	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2687	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2688	>	Objects.equals(v2, rs[5].value));
2689
2690	<	assertEquals(2, e.count.get());
2691	<	}
2690	>	checkCompletedNormally(f, v1);
2691	>	checkCompletedNormally(g, v2);
2692	>	}}
2693
2694		/**
2695	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2695	>	* runAfterEither result completes normally after normal completion
2696	>	* of either source
2697		*/
2698	<	public void testThenAcceptBothAsync4E() {
2699	<	CompletableFuture<Integer> f, g;
2700	<	CompletableFuture<Void> h;
2701	<	SubtractAction r;
2702	<	ThreadExecutor e = new ThreadExecutor();
2703	<
2704	<	f = new CompletableFuture<>();
2705	<	g = new CompletableFuture<>();
2706	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2707	<	assertTrue(f.cancel(true));
2659	<	checkIncomplete(h);
2660	<	g.complete(1);
2661	<	checkCompletedWithWrappedCancellationException(h);
2698	>	public void testRunAfterEither_normalCompletion() {
2699	>	for (ExecutionMode m : ExecutionMode.values())
2700	>	for (Integer v1 : new Integer[] { 1, null })
2701	>	for (Integer v2 : new Integer[] { 2, null })
2702	>	for (boolean pushNop : new boolean[] { true, false })
2703	>	{
2704	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2705	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2706	>	final Noop[] rs = new Noop[6];
2707	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2708
2709	<	f = new CompletableFuture<>();
2710	<	g = new CompletableFuture<>();
2711	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2712	<	assertTrue(g.cancel(true));
2713	<	checkIncomplete(h);
2714	<	f.complete(3);
2715	<	checkCompletedWithWrappedCancellationException(h);
2709	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2710	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2711	>	checkIncomplete(h0);
2712	>	checkIncomplete(h1);
2713	>	rs[0].assertNotInvoked();
2714	>	rs[1].assertNotInvoked();
2715	>	if (pushNop) {          // ad hoc test of intra-completion interference
2716	>	m.thenRun(f, () -> {});
2717	>	m.thenRun(g, () -> {});
2718	>	}
2719	>	f.complete(v1);
2720	>	checkCompletedNormally(h0, null);
2721	>	checkCompletedNormally(h1, null);
2722	>	rs[0].assertInvoked();
2723	>	rs[1].assertInvoked();
2724	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2725	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2726	>	checkCompletedNormally(h2, null);
2727	>	checkCompletedNormally(h3, null);
2728	>	rs[2].assertInvoked();
2729	>	rs[3].assertInvoked();
2730
2731	<	f = new CompletableFuture<>();
2672	<	g = new CompletableFuture<>();
2673	<	f.complete(3);
2674	<	assertTrue(g.cancel(true));
2675	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2676	<	checkCompletedWithWrappedCancellationException(h);
2731	>	g.complete(v2);
2732
2733	<	f = new CompletableFuture<>();
2734	<	g = new CompletableFuture<>();
2680	<	assertTrue(f.cancel(true));
2681	<	g.complete(3);
2682	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2683	<	checkCompletedWithWrappedCancellationException(h);
2733	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2734	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2735
2736	<	assertEquals(0, e.count.get());
2737	<	}
2736	>	checkCompletedNormally(f, v1);
2737	>	checkCompletedNormally(g, v2);
2738	>	checkCompletedNormally(h0, null);
2739	>	checkCompletedNormally(h1, null);
2740	>	checkCompletedNormally(h2, null);
2741	>	checkCompletedNormally(h3, null);
2742	>	checkCompletedNormally(h4, null);
2743	>	checkCompletedNormally(h5, null);
2744	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2745	>	}}
2746
2747		/**
2748	<	* applyToEitherAsync result completes normally after normal
2749	<	* completion of sources
2748	>	* runAfterEither result completes exceptionally after exceptional
2749	>	* completion of either source
2750		*/
2751	<	public void testApplyToEitherAsyncE() {
2752	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2753	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2754	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2755	<	f.complete(one);
2756	<	checkCompletedNormally(g, two);
2751	>	public void testRunAfterEither_exceptionalCompletion() {
2752	>	for (ExecutionMode m : ExecutionMode.values())
2753	>	for (Integer v1 : new Integer[] { 1, null })
2754	>	{
2755	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2756	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2757	>	final CFException ex = new CFException();
2758	>	final Noop[] rs = new Noop[6];
2759	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2760
2761	<	f = new CompletableFuture<>();
2762	<	f.complete(one);
2763	<	f2 = new CompletableFuture<>();
2764	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2765	<	checkCompletedNormally(g, two);
2766	<	}
2761	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2762	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2763	>	checkIncomplete(h0);
2764	>	checkIncomplete(h1);
2765	>	rs[0].assertNotInvoked();
2766	>	rs[1].assertNotInvoked();
2767	>	assertTrue(f.completeExceptionally(ex));
2768	>	checkCompletedWithWrappedException(h0, ex);
2769	>	checkCompletedWithWrappedException(h1, ex);
2770	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2771	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2772	>	checkCompletedWithWrappedException(h2, ex);
2773	>	checkCompletedWithWrappedException(h3, ex);
2774	>
2775	>	assertTrue(g.complete(v1));
2776	>
2777	>	// unspecified behavior - both source completions available
2778	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2779	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2780	>	try {
2781	>	assertNull(h4.join());
2782	>	rs[4].assertInvoked();
2783	>	} catch (CompletionException ok) {
2784	>	checkCompletedWithWrappedException(h4, ex);
2785	>	rs[4].assertNotInvoked();
2786	>	}
2787	>	try {
2788	>	assertNull(h5.join());
2789	>	rs[5].assertInvoked();
2790	>	} catch (CompletionException ok) {
2791	>	checkCompletedWithWrappedException(h5, ex);
2792	>	rs[5].assertNotInvoked();
2793	>	}
2794
2795	<	/**
2796	<	* applyToEitherAsync result completes exceptionally after exceptional
2797	<	* completion of source
2798	<	*/
2799	<	public void testApplyToEitherAsync2E() {
2800	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2801	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2802	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2803	<	f.completeExceptionally(new CFException());
2715	<	checkCompletedWithWrappedCFException(g);
2795	>	checkCompletedExceptionally(f, ex);
2796	>	checkCompletedNormally(g, v1);
2797	>	checkCompletedWithWrappedException(h0, ex);
2798	>	checkCompletedWithWrappedException(h1, ex);
2799	>	checkCompletedWithWrappedException(h2, ex);
2800	>	checkCompletedWithWrappedException(h3, ex);
2801	>	checkCompletedWithWrappedException(h4, ex);
2802	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2803	>	}}
2804
2805	<	f = new CompletableFuture<>();
2806	<	f2 = new CompletableFuture<>();
2807	<	f2.completeExceptionally(new CFException());
2808	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2809	<	f.complete(one);
2810	<	checkCompletedWithWrappedCFException(g);
2811	<	}
2805	>	public void testRunAfterEither_exceptionalCompletion2() {
2806	>	for (ExecutionMode m : ExecutionMode.values())
2807	>	for (boolean fFirst : new boolean[] { true, false })
2808	>	for (Integer v1 : new Integer[] { 1, null })
2809	>	{
2810	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2811	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2812	>	final CFException ex = new CFException();
2813	>	final Noop[] rs = new Noop[6];
2814	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2815
2816	<	/**
2817	<	* applyToEitherAsync result completes exceptionally if action does
2818	<	*/
2819	<	public void testApplyToEitherAsync3E() {
2820	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2821	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2731	<	FailingFunction r = new FailingFunction();
2732	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2733	<	f.complete(one);
2734	<	checkCompletedWithWrappedCFException(g);
2735	<	}
2816	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2817	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2818	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2819	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2820	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2821	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2822
2823	<	/**
2824	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2825	<	*/
2826	<	public void testApplyToEitherAsync4E() {
2827	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2828	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2829	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2830	<	assertTrue(f.cancel(true));
2831	<	checkCompletedWithWrappedCancellationException(g);
2823	>	// unspecified behavior - both source completions available
2824	>	try {
2825	>	assertEquals(null, h0.join());
2826	>	rs[0].assertInvoked();
2827	>	} catch (CompletionException ok) {
2828	>	checkCompletedWithWrappedException(h0, ex);
2829	>	rs[0].assertNotInvoked();
2830	>	}
2831	>	try {
2832	>	assertEquals(null, h1.join());
2833	>	rs[1].assertInvoked();
2834	>	} catch (CompletionException ok) {
2835	>	checkCompletedWithWrappedException(h1, ex);
2836	>	rs[1].assertNotInvoked();
2837	>	}
2838	>	try {
2839	>	assertEquals(null, h2.join());
2840	>	rs[2].assertInvoked();
2841	>	} catch (CompletionException ok) {
2842	>	checkCompletedWithWrappedException(h2, ex);
2843	>	rs[2].assertNotInvoked();
2844	>	}
2845	>	try {
2846	>	assertEquals(null, h3.join());
2847	>	rs[3].assertInvoked();
2848	>	} catch (CompletionException ok) {
2849	>	checkCompletedWithWrappedException(h3, ex);
2850	>	rs[3].assertNotInvoked();
2851	>	}
2852
2853	<	f = new CompletableFuture<>();
2854	<	f2 = new CompletableFuture<>();
2855	<	assertTrue(f2.cancel(true));
2750	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2751	<	checkCompletedWithWrappedCancellationException(g);
2752	<	}
2853	>	checkCompletedNormally(f, v1);
2854	>	checkCompletedExceptionally(g, ex);
2855	>	}}
2856
2857		/**
2858	<	* acceptEitherAsync result completes normally after normal
2756	<	* completion of sources
2858	>	* runAfterEither result completes exceptionally if either source cancelled
2859		*/
2860	<	public void testAcceptEitherAsyncE() {
2861	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2862	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2863	<	IncAction r = new IncAction();
2864	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2865	<	f.complete(one);
2866	<	checkCompletedNormally(g, null);
2867	<	assertEquals(r.value, 2);
2868	<
2767	<	r = new IncAction();
2768	<	f = new CompletableFuture<>();
2769	<	f.complete(one);
2770	<	f2 = new CompletableFuture<>();
2771	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2772	<	checkCompletedNormally(g, null);
2773	<	assertEquals(r.value, 2);
2774	<	}
2860	>	public void testRunAfterEither_sourceCancelled() {
2861	>	for (ExecutionMode m : ExecutionMode.values())
2862	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2863	>	for (Integer v1 : new Integer[] { 1, null })
2864	>	{
2865	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2866	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2867	>	final Noop[] rs = new Noop[6];
2868	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2869
2870	<	/**
2871	<	* acceptEitherAsync result completes exceptionally after exceptional
2872	<	* completion of source
2873	<	*/
2874	<	public void testAcceptEitherAsync2E() {
2875	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2876	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2877	<	IncAction r = new IncAction();
2878	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2879	<	f.completeExceptionally(new CFException());
2880	<	checkCompletedWithWrappedCFException(g);
2870	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2871	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2872	>	checkIncomplete(h0);
2873	>	checkIncomplete(h1);
2874	>	rs[0].assertNotInvoked();
2875	>	rs[1].assertNotInvoked();
2876	>	f.cancel(mayInterruptIfRunning);
2877	>	checkCompletedWithWrappedCancellationException(h0);
2878	>	checkCompletedWithWrappedCancellationException(h1);
2879	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2880	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2881	>	checkCompletedWithWrappedCancellationException(h2);
2882	>	checkCompletedWithWrappedCancellationException(h3);
2883	>
2884	>	assertTrue(g.complete(v1));
2885	>
2886	>	// unspecified behavior - both source completions available
2887	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2888	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2889	>	try {
2890	>	assertNull(h4.join());
2891	>	rs[4].assertInvoked();
2892	>	} catch (CompletionException ok) {
2893	>	checkCompletedWithWrappedCancellationException(h4);
2894	>	rs[4].assertNotInvoked();
2895	>	}
2896	>	try {
2897	>	assertNull(h5.join());
2898	>	rs[5].assertInvoked();
2899	>	} catch (CompletionException ok) {
2900	>	checkCompletedWithWrappedCancellationException(h5);
2901	>	rs[5].assertNotInvoked();
2902	>	}
2903
2904	<	r = new IncAction();
2905	<	f = new CompletableFuture<>();
2906	<	f2 = new CompletableFuture<>();
2907	<	f2.completeExceptionally(new CFException());
2908	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2909	<	f.complete(one);
2910	<	checkCompletedWithWrappedCFException(g);
2911	<	}
2904	>	checkCancelled(f);
2905	>	checkCompletedNormally(g, v1);
2906	>	checkCompletedWithWrappedCancellationException(h0);
2907	>	checkCompletedWithWrappedCancellationException(h1);
2908	>	checkCompletedWithWrappedCancellationException(h2);
2909	>	checkCompletedWithWrappedCancellationException(h3);
2910	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2911	>	}}
2912
2913		/**
2914	<	* acceptEitherAsync result completes exceptionally if action does
2914	>	* runAfterEither result completes exceptionally if action does
2915		*/
2916	<	public void testAcceptEitherAsync3E() {
2917	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2918	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2919	<	FailingConsumer r = new FailingConsumer();
2920	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2921	<	f.complete(one);
2922	<	checkCompletedWithWrappedCFException(g);
2923	<	}
2916	>	public void testRunAfterEither_actionFailed() {
2917	>	for (ExecutionMode m : ExecutionMode.values())
2918	>	for (Integer v1 : new Integer[] { 1, null })
2919	>	for (Integer v2 : new Integer[] { 2, null })
2920	>	{
2921	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2922	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2923	>	final FailingRunnable[] rs = new FailingRunnable[6];
2924	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2925
2926	<	/**
2927	<	* acceptEitherAsync result completes exceptionally if either
2928	<	* source cancelled
2929	<	*/
2930	<	public void testAcceptEitherAsync4E() {
2931	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2932	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2933	<	IncAction r = new IncAction();
2934	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2935	<	assertTrue(f.cancel(true));
2936	<	checkCompletedWithWrappedCancellationException(g);
2926	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2927	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2928	>	assertTrue(f.complete(v1));
2929	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2930	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2931	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2932	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2933	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2934	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2935	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2936	>	assertTrue(g.complete(v2));
2937	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2938	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2939	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2940	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2941
2942	<	r = new IncAction();
2943	<	f = new CompletableFuture<>();
2944	<	f2 = new CompletableFuture<>();
2945	<	assertTrue(f2.cancel(true));
2825	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2826	<	checkCompletedWithWrappedCancellationException(g);
2827	<	}
2942	>	checkCompletedNormally(f, v1);
2943	>	checkCompletedNormally(g, v2);
2944	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2945	>	}}
2946
2947		/**
2948	<	* runAfterEitherAsync result completes normally after normal
2831	<	* completion of sources
2948	>	* thenCompose result completes normally after normal completion of source
2949		*/
2950	<	public void testRunAfterEitherAsyncE() {
2951	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2952	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2953	<	Noop r = new Noop();
2954	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2955	<	f.complete(one);
2956	<	checkCompletedNormally(g, null);
2957	<	assertTrue(r.ran);
2950	>	public void testThenCompose_normalCompletion() {
2951	>	for (ExecutionMode m : ExecutionMode.values())
2952	>	for (boolean createIncomplete : new boolean[] { true, false })
2953	>	for (Integer v1 : new Integer[] { 1, null })
2954	>	{
2955	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2956	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2957	>	if (!createIncomplete) assertTrue(f.complete(v1));
2958	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2959	>	if (createIncomplete) assertTrue(f.complete(v1));
2960
2961	<	r = new Noop();
2962	<	f = new CompletableFuture<>();
2963	<	f.complete(one);
2964	<	f2 = new CompletableFuture<>();
2846	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2847	<	checkCompletedNormally(g, null);
2848	<	assertTrue(r.ran);
2849	<	}
2961	>	checkCompletedNormally(g, inc(v1));
2962	>	checkCompletedNormally(f, v1);
2963	>	r.assertValue(v1);
2964	>	}}
2965
2966		/**
2967	<	* runAfterEitherAsync result completes exceptionally after exceptional
2967	>	* thenCompose result completes exceptionally after exceptional
2968		* completion of source
2969		*/
2970	<	public void testRunAfterEitherAsync2E() {
2971	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2972	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2973	<	Noop r = new Noop();
2974	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2975	<	f.completeExceptionally(new CFException());
2976	<	checkCompletedWithWrappedCFException(g);
2977	<
2978	<	r = new Noop();
2979	<	f = new CompletableFuture<>();
2980	<	f2 = new CompletableFuture<>();
2981	<	f2.completeExceptionally(new CFException());
2982	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2983	<	f.complete(one);
2984	<	checkCompletedWithWrappedCFException(g);
2870	<	}
2871	<
2872	<	/**
2873	<	* runAfterEitherAsync result completes exceptionally if action does
2874	<	*/
2875	<	public void testRunAfterEitherAsync3E() {
2876	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2877	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2878	<	FailingNoop r = new FailingNoop();
2879	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2880	<	f.complete(one);
2881	<	checkCompletedWithWrappedCFException(g);
2882	<	}
2970	>	public void testThenCompose_exceptionalCompletion() {
2971	>	for (ExecutionMode m : ExecutionMode.values())
2972	>	for (boolean createIncomplete : new boolean[] { true, false })
2973	>	{
2974	>	final CFException ex = new CFException();
2975	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2976	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2977	>	if (!createIncomplete) f.completeExceptionally(ex);
2978	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2979	>	if (createIncomplete) f.completeExceptionally(ex);
2980	>
2981	>	checkCompletedWithWrappedException(g, ex);
2982	>	checkCompletedExceptionally(f, ex);
2983	>	r.assertNotInvoked();
2984	>	}}
2985
2986		/**
2987	<	* runAfterEitherAsync result completes exceptionally if either
2886	<	* source cancelled
2987	>	* thenCompose result completes exceptionally if action does
2988		*/
2989	<	public void testRunAfterEitherAsync4E() {
2990	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2991	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2992	<	Noop r = new Noop();
2993	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2994	<	assertTrue(f.cancel(true));
2995	<	checkCompletedWithWrappedCancellationException(g);
2989	>	public void testThenCompose_actionFailed() {
2990	>	for (ExecutionMode m : ExecutionMode.values())
2991	>	for (boolean createIncomplete : new boolean[] { true, false })
2992	>	for (Integer v1 : new Integer[] { 1, null })
2993	>	{
2994	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2995	>	final FailingCompletableFutureFunction r
2996	>	= new FailingCompletableFutureFunction(m);
2997	>	if (!createIncomplete) assertTrue(f.complete(v1));
2998	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2999	>	if (createIncomplete) assertTrue(f.complete(v1));
3000
3001	<	r = new Noop();
3002	<	f = new CompletableFuture<>();
3003	<	f2 = new CompletableFuture<>();
2899	<	assertTrue(f2.cancel(true));
2900	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2901	<	checkCompletedWithWrappedCancellationException(g);
2902	<	}
3001	>	checkCompletedWithWrappedException(g, r.ex);
3002	>	checkCompletedNormally(f, v1);
3003	>	}}
3004
3005		/**
3006	<	* thenComposeAsync result completes normally after normal
2906	<	* completion of source
3006	>	* thenCompose result completes exceptionally if source cancelled
3007		*/
3008	<	public void testThenComposeAsyncE() {
3009	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3010	<	CompletableFutureInc r = new CompletableFutureInc();
3011	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3012	<	f.complete(one);
3013	<	checkCompletedNormally(g, two);
3014	<	}
3008	>	public void testThenCompose_sourceCancelled() {
3009	>	for (ExecutionMode m : ExecutionMode.values())
3010	>	for (boolean createIncomplete : new boolean[] { true, false })
3011	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3012	>	{
3013	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3014	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3015	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3016	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3017	>	if (createIncomplete) {
3018	>	checkIncomplete(g);
3019	>	assertTrue(f.cancel(mayInterruptIfRunning));
3020	>	}
3021
3022	<	/**
3023	<	* thenComposeAsync result completes exceptionally after
3024	<	* exceptional completion of source
2919	<	*/
2920	<	public void testThenComposeAsync2E() {
2921	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2922	<	CompletableFutureInc r = new CompletableFutureInc();
2923	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2924	<	f.completeExceptionally(new CFException());
2925	<	checkCompletedWithWrappedCFException(g);
2926	<	}
3022	>	checkCompletedWithWrappedCancellationException(g);
3023	>	checkCancelled(f);
3024	>	}}
3025
3026		/**
3027	<	* thenComposeAsync result completes exceptionally if action does
3027	>	* thenCompose result completes exceptionally if the result of the action does
3028		*/
3029	<	public void testThenComposeAsync3E() {
3030	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3031	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3032	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3033	<	f.complete(one);
3034	<	checkCompletedWithWrappedCFException(g);
3035	<	}
3029	>	public void testThenCompose_actionReturnsFailingFuture() {
3030	>	for (ExecutionMode m : ExecutionMode.values())
3031	>	for (int order = 0; order < 6; order++)
3032	>	for (Integer v1 : new Integer[] { 1, null })
3033	>	{
3034	>	final CFException ex = new CFException();
3035	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3036	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3037	>	final CompletableFuture<Integer> h;
3038	>	// Test all permutations of orders
3039	>	switch (order) {
3040	>	case 0:
3041	>	assertTrue(f.complete(v1));
3042	>	assertTrue(g.completeExceptionally(ex));
3043	>	h = m.thenCompose(f, (x -> g));
3044	>	break;
3045	>	case 1:
3046	>	assertTrue(f.complete(v1));
3047	>	h = m.thenCompose(f, (x -> g));
3048	>	assertTrue(g.completeExceptionally(ex));
3049	>	break;
3050	>	case 2:
3051	>	assertTrue(g.completeExceptionally(ex));
3052	>	assertTrue(f.complete(v1));
3053	>	h = m.thenCompose(f, (x -> g));
3054	>	break;
3055	>	case 3:
3056	>	assertTrue(g.completeExceptionally(ex));
3057	>	h = m.thenCompose(f, (x -> g));
3058	>	assertTrue(f.complete(v1));
3059	>	break;
3060	>	case 4:
3061	>	h = m.thenCompose(f, (x -> g));
3062	>	assertTrue(f.complete(v1));
3063	>	assertTrue(g.completeExceptionally(ex));
3064	>	break;
3065	>	case 5:
3066	>	h = m.thenCompose(f, (x -> g));
3067	>	assertTrue(f.complete(v1));
3068	>	assertTrue(g.completeExceptionally(ex));
3069	>	break;
3070	>	default: throw new AssertionError();
3071	>	}
3072
3073	<	/**
3074	<	* thenComposeAsync result completes exceptionally if source cancelled
3075	<	*/
3076	<	public void testThenComposeAsync4E() {
2943	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2944	<	CompletableFutureInc r = new CompletableFutureInc();
2945	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2946	<	assertTrue(f.cancel(true));
2947	<	checkCompletedWithWrappedCancellationException(g);
2948	<	}
3073	>	checkCompletedExceptionally(g, ex);
3074	>	checkCompletedWithWrappedException(h, ex);
3075	>	checkCompletedNormally(f, v1);
3076	>	}}
3077
3078		// other static methods
3079
#	Line 2963 | Line 3091 | public class CompletableFutureTest exten
3091		* when all components complete normally
3092		*/
3093		public void testAllOf_normal() throws Exception {
3094	<	for (int k = 1; k < 20; ++k) {
3095	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3096	<	for (int i = 0; i < k; ++i)
3094	>	for (int k = 1; k < 10; k++) {
3095	>	CompletableFuture<Integer>[] fs
3096	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3097	>	for (int i = 0; i < k; i++)
3098		fs[i] = new CompletableFuture<>();
3099		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3100	<	for (int i = 0; i < k; ++i) {
3100	>	for (int i = 0; i < k; i++) {
3101		checkIncomplete(f);
3102		checkIncomplete(CompletableFuture.allOf(fs));
3103		fs[i].complete(one);
#	Line 2978 | Line 3107 | public class CompletableFutureTest exten
3107		}
3108		}
3109
3110	+	public void testAllOf_normal_backwards() throws Exception {
3111	+	for (int k = 1; k < 10; k++) {
3112	+	CompletableFuture<Integer>[] fs
3113	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3114	+	for (int i = 0; i < k; i++)
3115	+	fs[i] = new CompletableFuture<>();
3116	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3117	+	for (int i = k - 1; i >= 0; i--) {
3118	+	checkIncomplete(f);
3119	+	checkIncomplete(CompletableFuture.allOf(fs));
3120	+	fs[i].complete(one);
3121	+	}
3122	+	checkCompletedNormally(f, null);
3123	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3124	+	}
3125	+	}
3126	+
3127	+	public void testAllOf_exceptional() throws Exception {
3128	+	for (int k = 1; k < 10; k++) {
3129	+	CompletableFuture<Integer>[] fs
3130	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3131	+	CFException ex = new CFException();
3132	+	for (int i = 0; i < k; i++)
3133	+	fs[i] = new CompletableFuture<>();
3134	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3135	+	for (int i = 0; i < k; i++) {
3136	+	checkIncomplete(f);
3137	+	checkIncomplete(CompletableFuture.allOf(fs));
3138	+	if (i != k / 2) {
3139	+	fs[i].complete(i);
3140	+	checkCompletedNormally(fs[i], i);
3141	+	} else {
3142	+	fs[i].completeExceptionally(ex);
3143	+	checkCompletedExceptionally(fs[i], ex);
3144	+	}
3145	+	}
3146	+	checkCompletedWithWrappedException(f, ex);
3147	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3148	+	}
3149	+	}
3150	+
3151		/**
3152		* anyOf(no component futures) returns an incomplete future
3153		*/
3154		public void testAnyOf_empty() throws Exception {
3155	+	for (Integer v1 : new Integer[] { 1, null })
3156	+	{
3157		CompletableFuture<Object> f = CompletableFuture.anyOf();
3158		checkIncomplete(f);
3159	<	}
3159	>
3160	>	f.complete(v1);
3161	>	checkCompletedNormally(f, v1);
3162	>	}}
3163
3164		/**
3165		* anyOf returns a future completed normally with a value when
3166		* a component future does
3167		*/
3168		public void testAnyOf_normal() throws Exception {
3169	<	for (int k = 0; k < 10; ++k) {
3169	>	for (int k = 0; k < 10; k++) {
3170		CompletableFuture[] fs = new CompletableFuture[k];
3171	<	for (int i = 0; i < k; ++i)
3171	>	for (int i = 0; i < k; i++)
3172		fs[i] = new CompletableFuture<>();
3173		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3174		checkIncomplete(f);
3175	<	for (int i = 0; i < k; ++i) {
3176	<	fs[i].complete(one);
3177	<	checkCompletedNormally(f, one);
3178	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3175	>	for (int i = 0; i < k; i++) {
3176	>	fs[i].complete(i);
3177	>	checkCompletedNormally(f, 0);
3178	>	int x = (int) CompletableFuture.anyOf(fs).join();
3179	>	assertTrue(0 <= x && x <= i);
3180	>	}
3181	>	}
3182	>	}
3183	>	public void testAnyOf_normal_backwards() throws Exception {
3184	>	for (int k = 0; k < 10; k++) {
3185	>	CompletableFuture[] fs = new CompletableFuture[k];
3186	>	for (int i = 0; i < k; i++)
3187	>	fs[i] = new CompletableFuture<>();
3188	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3189	>	checkIncomplete(f);
3190	>	for (int i = k - 1; i >= 0; i--) {
3191	>	fs[i].complete(i);
3192	>	checkCompletedNormally(f, k - 1);
3193	>	int x = (int) CompletableFuture.anyOf(fs).join();
3194	>	assertTrue(i <= x && x <= k - 1);
3195		}
3196		}
3197		}
#	Line 3009 | Line 3200 | public class CompletableFutureTest exten
3200		* anyOf result completes exceptionally when any component does.
3201		*/
3202		public void testAnyOf_exceptional() throws Exception {
3203	<	for (int k = 0; k < 10; ++k) {
3203	>	for (int k = 0; k < 10; k++) {
3204		CompletableFuture[] fs = new CompletableFuture[k];
3205	<	for (int i = 0; i < k; ++i)
3205	>	CFException[] exs = new CFException[k];
3206	>	for (int i = 0; i < k; i++) {
3207		fs[i] = new CompletableFuture<>();
3208	+	exs[i] = new CFException();
3209	+	}
3210		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3211		checkIncomplete(f);
3212	<	for (int i = 0; i < k; ++i) {
3213	<	fs[i].completeExceptionally(new CFException());
3214	<	checkCompletedWithWrappedCFException(f);
3212	>	for (int i = 0; i < k; i++) {
3213	>	fs[i].completeExceptionally(exs[i]);
3214	>	checkCompletedWithWrappedException(f, exs[0]);
3215	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3216	>	}
3217	>	}
3218	>	}
3219	>
3220	>	public void testAnyOf_exceptional_backwards() throws Exception {
3221	>	for (int k = 0; k < 10; k++) {
3222	>	CompletableFuture[] fs = new CompletableFuture[k];
3223	>	CFException[] exs = new CFException[k];
3224	>	for (int i = 0; i < k; i++) {
3225	>	fs[i] = new CompletableFuture<>();
3226	>	exs[i] = new CFException();
3227	>	}
3228	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3229	>	checkIncomplete(f);
3230	>	for (int i = k - 1; i >= 0; i--) {
3231	>	fs[i].completeExceptionally(exs[i]);
3232	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3233		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3234		}
3235		}
#	Line 3030 | Line 3242 | public class CompletableFutureTest exten
3242		CompletableFuture<Integer> f = new CompletableFuture<>();
3243		CompletableFuture<Integer> g = new CompletableFuture<>();
3244		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3033	–	CompletableFuture<?> h;
3245		ThreadExecutor exec = new ThreadExecutor();
3246
3247		Runnable[] throwingActions = {
3248		() -> CompletableFuture.supplyAsync(null),
3249		() -> CompletableFuture.supplyAsync(null, exec),
3250	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3250	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3251
3252		() -> CompletableFuture.runAsync(null),
3253		() -> CompletableFuture.runAsync(null, exec),
#	Line 3046 | Line 3257 | public class CompletableFutureTest exten
3257
3258		() -> f.thenApply(null),
3259		() -> f.thenApplyAsync(null),
3260	<	() -> f.thenApplyAsync((x) -> x, null),
3260	>	() -> f.thenApplyAsync(x -> x, null),
3261		() -> f.thenApplyAsync(null, exec),
3262
3263		() -> f.thenAccept(null),
3264		() -> f.thenAcceptAsync(null),
3265	<	() -> f.thenAcceptAsync((x) -> {} , null),
3265	>	() -> f.thenAcceptAsync(x -> {} , null),
3266		() -> f.thenAcceptAsync(null, exec),
3267
3268		() -> f.thenRun(null),
#	Line 3086 | Line 3297 | public class CompletableFutureTest exten
3297		() -> f.applyToEither(g, null),
3298		() -> f.applyToEitherAsync(g, null),
3299		() -> f.applyToEitherAsync(g, null, exec),
3300	<	() -> f.applyToEither(nullFuture, (x) -> x),
3301	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3302	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3303	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3300	>	() -> f.applyToEither(nullFuture, x -> x),
3301	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3302	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3303	>	() -> f.applyToEitherAsync(g, x -> x, null),
3304
3305		() -> f.acceptEither(g, null),
3306		() -> f.acceptEitherAsync(g, null),
3307		() -> f.acceptEitherAsync(g, null, exec),
3308	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3309	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3310	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3311	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3308	>	() -> f.acceptEither(nullFuture, x -> {}),
3309	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3310	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3311	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3312
3313		() -> f.runAfterEither(g, null),
3314		() -> f.runAfterEitherAsync(g, null),
#	Line 3109 | Line 3320 | public class CompletableFutureTest exten
3320
3321		() -> f.thenCompose(null),
3322		() -> f.thenComposeAsync(null),
3323	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3323	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3324		() -> f.thenComposeAsync(null, exec),
3325
3326		() -> f.exceptionally(null),
#	Line 3127 | Line 3338 | public class CompletableFutureTest exten
3338		() -> CompletableFuture.anyOf(null, f),
3339
3340		() -> f.obtrudeException(null),
3341	+
3342	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3343	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3344	+	() -> CompletableFuture.delayedExecutor(1L, null),
3345	+
3346	+	() -> f.orTimeout(1L, null),
3347	+	() -> f.completeOnTimeout(42, 1L, null),
3348	+
3349	+	() -> CompletableFuture.failedFuture(null),
3350	+	() -> CompletableFuture.failedStage(null),
3351		};
3352
3353		assertThrows(NullPointerException.class, throwingActions);
#	Line 3134 | Line 3355 | public class CompletableFutureTest exten
3355		}
3356
3357		/**
3358	+	* Test submissions to an executor that rejects all tasks.
3359	+	*/
3360	+	public void testRejectingExecutor() {
3361	+	for (Integer v : new Integer[] { 1, null })
3362	+	{
3363	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3364	+
3365	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3366	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3367	+
3368	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3369	+
3370	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3371	+	srcs.add(complete);
3372	+	srcs.add(incomplete);
3373	+
3374	+	for (CompletableFuture<Integer> src : srcs) {
3375	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3376	+	fs.add(src.thenRunAsync(() -> {}, e));
3377	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3378	+	fs.add(src.thenApplyAsync(z -> z, e));
3379	+
3380	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3381	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3382	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3383	+
3384	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3385	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3386	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3387	+
3388	+	fs.add(src.thenComposeAsync(z -> null, e));
3389	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3390	+	fs.add(src.handleAsync((z, t) -> null, e));
3391	+
3392	+	for (CompletableFuture<?> future : fs) {
3393	+	if (src.isDone())
3394	+	checkCompletedWithWrappedException(future, e.ex);
3395	+	else
3396	+	checkIncomplete(future);
3397	+	}
3398	+	futures.addAll(fs);
3399	+	}
3400	+
3401	+	{
3402	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3403	+
3404	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3405	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3406	+
3407	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3408	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3409	+
3410	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3411	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3412	+
3413	+	for (CompletableFuture<?> future : fs)
3414	+	checkIncomplete(future);
3415	+	futures.addAll(fs);
3416	+	}
3417	+
3418	+	{
3419	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3420	+
3421	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3422	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3423	+
3424	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3425	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3426	+
3427	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3428	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3429	+
3430	+	for (CompletableFuture<?> future : fs)
3431	+	checkCompletedWithWrappedException(future, e.ex);
3432	+	futures.addAll(fs);
3433	+	}
3434	+
3435	+	incomplete.complete(v);
3436	+
3437	+	for (CompletableFuture<?> future : futures)
3438	+	checkCompletedWithWrappedException(future, e.ex);
3439	+
3440	+	assertEquals(futures.size(), e.count.get());
3441	+	}}
3442	+
3443	+	/**
3444	+	* Test submissions to an executor that rejects all tasks, but
3445	+	* should never be invoked because the dependent future is
3446	+	* explicitly completed.
3447	+	*/
3448	+	public void testRejectingExecutorNeverInvoked() {
3449	+	for (Integer v : new Integer[] { 1, null })
3450	+	{
3451	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3452	+
3453	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3454	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3455	+
3456	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3457	+
3458	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3459	+	srcs.add(complete);
3460	+	srcs.add(incomplete);
3461	+
3462	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3463	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3464	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3465	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3466	+
3467	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3468	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3469	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3470	+
3471	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3472	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3473	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3474	+
3475	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3476	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3477	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3478	+
3479	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3480	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3481	+
3482	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3483	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3484	+
3485	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3486	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3487	+
3488	+	for (CompletableFuture<?> future : fs)
3489	+	checkIncomplete(future);
3490	+
3491	+	for (CompletableFuture<?> future : fs)
3492	+	future.complete(null);
3493	+
3494	+	incomplete.complete(v);
3495	+
3496	+	for (CompletableFuture<?> future : fs)
3497	+	checkCompletedNormally(future, null);
3498	+
3499	+	assertEquals(0, e.count.get());
3500	+	}}
3501	+
3502	+	/**
3503		* toCompletableFuture returns this CompletableFuture.
3504		*/
3505		public void testToCompletableFuture() {
#	Line 3141 | Line 3507 | public class CompletableFutureTest exten
3507		assertSame(f, f.toCompletableFuture());
3508		}
3509
3510	+	// jdk9
3511	+
3512		/**
3513	<	* whenComplete action executes on normal completion, propagating
3146	<	* source result.
3513	>	* newIncompleteFuture returns an incomplete CompletableFuture
3514		*/
3515	<	public void testWhenComplete1() {
3516	<	final AtomicInteger a = new AtomicInteger();
3515	>	public void testNewIncompleteFuture() {
3516	>	for (Integer v1 : new Integer[] { 1, null })
3517	>	{
3518		CompletableFuture<Integer> f = new CompletableFuture<>();
3519	<	CompletableFuture<Integer> g =
3520	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3521	<	f.complete(three);
3522	<	checkCompletedNormally(f, three);
3523	<	checkCompletedNormally(g, three);
3524	<	assertEquals(a.get(), 1);
3519	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3520	>	checkIncomplete(f);
3521	>	checkIncomplete(g);
3522	>	f.complete(v1);
3523	>	checkCompletedNormally(f, v1);
3524	>	checkIncomplete(g);
3525	>	g.complete(v1);
3526	>	checkCompletedNormally(g, v1);
3527	>	assertSame(g.getClass(), CompletableFuture.class);
3528	>	}}
3529	>
3530	>	/**
3531	>	* completedStage returns a completed CompletionStage
3532	>	*/
3533	>	public void testCompletedStage() {
3534	>	AtomicInteger x = new AtomicInteger(0);
3535	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3536	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3537	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3538	>	assertEquals(x.get(), 1);
3539	>	assertNull(r.get());
3540		}
3541
3542		/**
3543	<	* whenComplete action executes on exceptional completion, propagating
3544	<	* source result.
3543	>	* defaultExecutor by default returns the commonPool if
3544	>	* it supports more than one thread.
3545		*/
3546	<	public void testWhenComplete2() {
3164	<	final AtomicInteger a = new AtomicInteger();
3546	>	public void testDefaultExecutor() {
3547		CompletableFuture<Integer> f = new CompletableFuture<>();
3548	<	CompletableFuture<Integer> g =
3549	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3550	<	f.completeExceptionally(new CFException());
3551	<	assertTrue(f.isCompletedExceptionally());
3552	<	assertTrue(g.isCompletedExceptionally());
3553	<	assertEquals(a.get(), 1);
3548	>	Executor e = f.defaultExecutor();
3549	>	Executor c = ForkJoinPool.commonPool();
3550	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3551	>	assertSame(e, c);
3552	>	else
3553	>	assertNotSame(e, c);
3554		}
3555
3556		/**
3557	<	* If a whenComplete action throws an exception when triggered by
3558	<	* a normal completion, it completes exceptionally
3557	>	* failedFuture returns a CompletableFuture completed
3558	>	* exceptionally with the given Exception
3559	>	*/
3560	>	public void testFailedFuture() {
3561	>	CFException ex = new CFException();
3562	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3563	>	checkCompletedExceptionally(f, ex);
3564	>	}
3565	>
3566	>	/**
3567	>	* failedFuture(null) throws NPE
3568		*/
3569	<	public void testWhenComplete3() {
3569	>	public void testFailedFuture_null() {
3570	>	try {
3571	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3572	>	shouldThrow();
3573	>	} catch (NullPointerException success) {}
3574	>	}
3575	>
3576	>	/**
3577	>	* copy returns a CompletableFuture that is completed normally,
3578	>	* with the same value, when source is.
3579	>	*/
3580	>	public void testCopy_normalCompletion() {
3581	>	for (boolean createIncomplete : new boolean[] { true, false })
3582	>	for (Integer v1 : new Integer[] { 1, null })
3583	>	{
3584		CompletableFuture<Integer> f = new CompletableFuture<>();
3585	<	CompletableFuture<Integer> g =
3586	<	f.whenComplete((Integer x, Throwable t) ->
3587	<	{ throw new CFException(); } );
3588	<	f.complete(three);
3589	<	checkCompletedNormally(f, three);
3590	<	assertTrue(g.isCompletedExceptionally());
3591	<	checkCompletedWithWrappedCFException(g);
3585	>	if (!createIncomplete) assertTrue(f.complete(v1));
3586	>	CompletableFuture<Integer> g = f.copy();
3587	>	if (createIncomplete) {
3588	>	checkIncomplete(f);
3589	>	checkIncomplete(g);
3590	>	assertTrue(f.complete(v1));
3591	>	}
3592	>	checkCompletedNormally(f, v1);
3593	>	checkCompletedNormally(g, v1);
3594	>	}}
3595	>
3596	>	/**
3597	>	* copy returns a CompletableFuture that is completed exceptionally
3598	>	* when source is.
3599	>	*/
3600	>	public void testCopy_exceptionalCompletion() {
3601	>	for (boolean createIncomplete : new boolean[] { true, false })
3602	>	{
3603	>	CFException ex = new CFException();
3604	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3605	>	if (!createIncomplete) f.completeExceptionally(ex);
3606	>	CompletableFuture<Integer> g = f.copy();
3607	>	if (createIncomplete) {
3608	>	checkIncomplete(f);
3609	>	checkIncomplete(g);
3610	>	f.completeExceptionally(ex);
3611	>	}
3612	>	checkCompletedExceptionally(f, ex);
3613	>	checkCompletedWithWrappedException(g, ex);
3614	>	}}
3615	>
3616	>	/**
3617	>	* Completion of a copy does not complete its source.
3618	>	*/
3619	>	public void testCopy_oneWayPropagation() {
3620	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3621	>	assertTrue(f.copy().complete(1));
3622	>	assertTrue(f.copy().complete(null));
3623	>	assertTrue(f.copy().cancel(true));
3624	>	assertTrue(f.copy().cancel(false));
3625	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3626	>	checkIncomplete(f);
3627		}
3628
3629		/**
3630	<	* whenCompleteAsync action executes on normal completion, propagating
3631	<	* source result.
3630	>	* minimalCompletionStage returns a CompletableFuture that is
3631	>	* completed normally, with the same value, when source is.
3632		*/
3633	<	public void testWhenCompleteAsync1() {
3194	<	final AtomicInteger a = new AtomicInteger();
3633	>	public void testMinimalCompletionStage() {
3634		CompletableFuture<Integer> f = new CompletableFuture<>();
3635	<	CompletableFuture<Integer> g =
3636	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3637	<	f.complete(three);
3638	<	checkCompletedNormally(f, three);
3639	<	checkCompletedNormally(g, three);
3640	<	assertEquals(a.get(), 1);
3635	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3636	>	AtomicInteger x = new AtomicInteger(0);
3637	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3638	>	checkIncomplete(f);
3639	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3640	>	f.complete(1);
3641	>	checkCompletedNormally(f, 1);
3642	>	assertEquals(x.get(), 1);
3643	>	assertNull(r.get());
3644		}
3645
3646		/**
3647	<	* whenCompleteAsync action executes on exceptional completion, propagating
3648	<	* source result.
3647	>	* minimalCompletionStage returns a CompletableFuture that is
3648	>	* completed exceptionally when source is.
3649		*/
3650	<	public void testWhenCompleteAsync2() {
3209	<	final AtomicInteger a = new AtomicInteger();
3650	>	public void testMinimalCompletionStage2() {
3651		CompletableFuture<Integer> f = new CompletableFuture<>();
3652	<	CompletableFuture<Integer> g =
3653	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3654	<	f.completeExceptionally(new CFException());
3655	<	checkCompletedWithWrappedCFException(f);
3656	<	checkCompletedWithWrappedCFException(g);
3652	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3653	>	AtomicInteger x = new AtomicInteger(0);
3654	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3655	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3656	>	checkIncomplete(f);
3657	>	CFException ex = new CFException();
3658	>	f.completeExceptionally(ex);
3659	>	checkCompletedExceptionally(f, ex);
3660	>	assertEquals(x.get(), 0);
3661	>	assertEquals(r.get().getCause(), ex);
3662	>	}
3663	>
3664	>	/**
3665	>	* failedStage returns a CompletionStage completed
3666	>	* exceptionally with the given Exception
3667	>	*/
3668	>	public void testFailedStage() {
3669	>	CFException ex = new CFException();
3670	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3671	>	AtomicInteger x = new AtomicInteger(0);
3672	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3673	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3674	>	assertEquals(x.get(), 0);
3675	>	assertEquals(r.get(), ex);
3676		}
3677
3678		/**
3679	<	* If a whenCompleteAsync action throws an exception when
3220	<	* triggered by a normal completion, it completes exceptionally
3679	>	* completeAsync completes with value of given supplier
3680		*/
3681	<	public void testWhenCompleteAsync3() {
3681	>	public void testCompleteAsync() {
3682	>	for (Integer v1 : new Integer[] { 1, null })
3683	>	{
3684		CompletableFuture<Integer> f = new CompletableFuture<>();
3685	<	CompletableFuture<Integer> g =
3686	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3687	<	{ throw new CFException(); } );
3688	<	f.complete(three);
3689	<	checkCompletedNormally(f, three);
3690	<	checkCompletedWithWrappedCFException(g);
3685	>	f.completeAsync(() -> v1);
3686	>	f.join();
3687	>	checkCompletedNormally(f, v1);
3688	>	}}
3689	>
3690	>	/**
3691	>	* completeAsync completes exceptionally if given supplier throws
3692	>	*/
3693	>	public void testCompleteAsync2() {
3694	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3695	>	CFException ex = new CFException();
3696	>	f.completeAsync(() -> { throw ex; });
3697	>	try {
3698	>	f.join();
3699	>	shouldThrow();
3700	>	} catch (CompletionException success) {}
3701	>	checkCompletedWithWrappedException(f, ex);
3702		}
3703
3704		/**
3705	<	* whenCompleteAsync action executes on normal completion, propagating
3234	<	* source result.
3705	>	* completeAsync with given executor completes with value of given supplier
3706		*/
3707	<	public void testWhenCompleteAsync1e() {
3708	<	final AtomicInteger a = new AtomicInteger();
3709	<	ThreadExecutor exec = new ThreadExecutor();
3707	>	public void testCompleteAsync3() {
3708	>	for (Integer v1 : new Integer[] { 1, null })
3709	>	{
3710		CompletableFuture<Integer> f = new CompletableFuture<>();
3711	<	CompletableFuture<Integer> g =
3712	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3713	<	exec);
3714	<	f.complete(three);
3715	<	checkCompletedNormally(f, three);
3716	<	checkCompletedNormally(g, three);
3717	<	assertEquals(a.get(), 1);
3711	>	ThreadExecutor executor = new ThreadExecutor();
3712	>	f.completeAsync(() -> v1, executor);
3713	>	assertSame(v1, f.join());
3714	>	checkCompletedNormally(f, v1);
3715	>	assertEquals(1, executor.count.get());
3716	>	}}
3717	>
3718	>	/**
3719	>	* completeAsync with given executor completes exceptionally if
3720	>	* given supplier throws
3721	>	*/
3722	>	public void testCompleteAsync4() {
3723	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3724	>	CFException ex = new CFException();
3725	>	ThreadExecutor executor = new ThreadExecutor();
3726	>	f.completeAsync(() -> { throw ex; }, executor);
3727	>	try {
3728	>	f.join();
3729	>	shouldThrow();
3730	>	} catch (CompletionException success) {}
3731	>	checkCompletedWithWrappedException(f, ex);
3732	>	assertEquals(1, executor.count.get());
3733		}
3734
3735		/**
3736	<	* whenCompleteAsync action executes on exceptional completion, propagating
3251	<	* source result.
3736	>	* orTimeout completes with TimeoutException if not complete
3737		*/
3738	<	public void testWhenCompleteAsync2e() {
3739	<	final AtomicInteger a = new AtomicInteger();
3255	<	ThreadExecutor exec = new ThreadExecutor();
3738	>	public void testOrTimeout_timesOut() {
3739	>	long timeoutMillis = timeoutMillis();
3740		CompletableFuture<Integer> f = new CompletableFuture<>();
3741	<	CompletableFuture<Integer> g =
3742	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3743	<	exec);
3744	<	f.completeExceptionally(new CFException());
3261	<	checkCompletedWithWrappedCFException(f);
3262	<	checkCompletedWithWrappedCFException(g);
3741	>	long startTime = System.nanoTime();
3742	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3743	>	checkCompletedWithTimeoutException(f);
3744	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3745		}
3746
3747		/**
3748	<	* If a whenCompleteAsync action throws an exception when triggered
3267	<	* by a normal completion, it completes exceptionally
3748	>	* orTimeout completes normally if completed before timeout
3749		*/
3750	<	public void testWhenCompleteAsync3e() {
3751	<	ThreadExecutor exec = new ThreadExecutor();
3750	>	public void testOrTimeout_completed() {
3751	>	for (Integer v1 : new Integer[] { 1, null })
3752	>	{
3753	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3754	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3755	>	long startTime = System.nanoTime();
3756	>	f.complete(v1);
3757	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3758	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3759	>	g.complete(v1);
3760	>	checkCompletedNormally(f, v1);
3761	>	checkCompletedNormally(g, v1);
3762	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3763	>	}}
3764	>
3765	>	/**
3766	>	* completeOnTimeout completes with given value if not complete
3767	>	*/
3768	>	public void testCompleteOnTimeout_timesOut() {
3769	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3770	>	() -> testCompleteOnTimeout_timesOut(null));
3771	>	}
3772	>
3773	>	/**
3774	>	* completeOnTimeout completes with given value if not complete
3775	>	*/
3776	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3777	>	long timeoutMillis = timeoutMillis();
3778		CompletableFuture<Integer> f = new CompletableFuture<>();
3779	+	long startTime = System.nanoTime();
3780	+	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3781	+	assertSame(v, f.join());
3782	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3783	+	f.complete(99);         // should have no effect
3784	+	checkCompletedNormally(f, v);
3785	+	}
3786	+
3787	+	/**
3788	+	* completeOnTimeout has no effect if completed within timeout
3789	+	*/
3790	+	public void testCompleteOnTimeout_completed() {
3791	+	for (Integer v1 : new Integer[] { 1, null })
3792	+	{
3793	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3794	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3795	+	long startTime = System.nanoTime();
3796	+	f.complete(v1);
3797	+	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3798	+	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3799	+	g.complete(v1);
3800	+	checkCompletedNormally(f, v1);
3801	+	checkCompletedNormally(g, v1);
3802	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3803	+	}}
3804	+
3805	+	/**
3806	+	* delayedExecutor returns an executor that delays submission
3807	+	*/
3808	+	public void testDelayedExecutor() {
3809	+	testInParallel(() -> testDelayedExecutor(null, null),
3810	+	() -> testDelayedExecutor(null, 1),
3811	+	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3812	+	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3813	+	}
3814	+
3815	+	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3816	+	long timeoutMillis = timeoutMillis();
3817	+	// Use an "unreasonably long" long timeout to catch lingering threads
3818	+	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3819	+	final Executor delayer, longDelayer;
3820	+	if (executor == null) {
3821	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3822	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3823	+	} else {
3824	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3825	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3826	+	}
3827	+	long startTime = System.nanoTime();
3828	+	CompletableFuture<Integer> f =
3829	+	CompletableFuture.supplyAsync(() -> v, delayer);
3830		CompletableFuture<Integer> g =
3831	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3832	<	{ throw new CFException(); },
3833	<	exec);
3834	<	f.complete(three);
3835	<	checkCompletedNormally(f, three);
3836	<	checkCompletedWithWrappedCFException(g);
3831	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3832	>
3833	>	assertNull(g.getNow(null));
3834	>
3835	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3836	>	long millisElapsed = millisElapsedSince(startTime);
3837	>	assertTrue(millisElapsed >= timeoutMillis);
3838	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3839	>
3840	>	checkCompletedNormally(f, v);
3841	>
3842	>	checkIncomplete(g);
3843	>	assertTrue(g.cancel(true));
3844	>	}
3845	>
3846	>	//--- tests of implementation details; not part of official tck ---
3847	>
3848	>	Object resultOf(CompletableFuture<?> f) {
3849	>	SecurityManager sm = System.getSecurityManager();
3850	>	if (sm != null) {
3851	>	try {
3852	>	System.setSecurityManager(null);
3853	>	} catch (SecurityException giveUp) {
3854	>	return "Reflection not available";
3855	>	}
3856	>	}
3857	>
3858	>	try {
3859	>	java.lang.reflect.Field resultField
3860	>	= CompletableFuture.class.getDeclaredField("result");
3861	>	resultField.setAccessible(true);
3862	>	return resultField.get(f);
3863	>	} catch (Throwable t) {
3864	>	throw new AssertionError(t);
3865	>	} finally {
3866	>	if (sm != null) System.setSecurityManager(sm);
3867	>	}
3868		}
3869
3870	+	public void testExceptionPropagationReusesResultObject() {
3871	+	if (!testImplementationDetails) return;
3872	+	for (ExecutionMode m : ExecutionMode.values())
3873	+	{
3874	+	final CFException ex = new CFException();
3875	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3876	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3877	+
3878	+	final Runnable noopRunnable = new Noop(m);
3879	+	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3880	+	final Function<Integer, Integer> incFunction = new IncFunction(m);
3881	+
3882	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3883	+	= new ArrayList<>();
3884	+
3885	+	funs.add(y -> m.thenRun(y, noopRunnable));
3886	+	funs.add(y -> m.thenAccept(y, noopConsumer));
3887	+	funs.add(y -> m.thenApply(y, incFunction));
3888	+
3889	+	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3890	+	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3891	+	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3892	+
3893	+	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3894	+	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3895	+	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3896	+	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3897	+	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3898	+	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3899	+
3900	+	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3901	+
3902	+	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3903	+
3904	+	funs.add(y -> CompletableFuture.allOf(y));
3905	+	funs.add(y -> CompletableFuture.allOf(y, v42));
3906	+	funs.add(y -> CompletableFuture.allOf(v42, y));
3907	+	funs.add(y -> CompletableFuture.anyOf(y));
3908	+	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3909	+	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3910	+
3911	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3912	+	fun : funs) {
3913	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3914	+	f.completeExceptionally(ex);
3915	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3916	+	checkCompletedWithWrappedException(src, ex);
3917	+	CompletableFuture<?> dep = fun.apply(src);
3918	+	checkCompletedWithWrappedException(dep, ex);
3919	+	assertSame(resultOf(src), resultOf(dep));
3920	+	}
3921	+
3922	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3923	+	fun : funs) {
3924	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3925	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3926	+	CompletableFuture<?> dep = fun.apply(src);
3927	+	f.completeExceptionally(ex);
3928	+	checkCompletedWithWrappedException(src, ex);
3929	+	checkCompletedWithWrappedException(dep, ex);
3930	+	assertSame(resultOf(src), resultOf(dep));
3931	+	}
3932	+
3933	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3934	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3935	+	fun : funs) {
3936	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3937	+	f.cancel(mayInterruptIfRunning);
3938	+	checkCancelled(f);
3939	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3940	+	checkCompletedWithWrappedCancellationException(src);
3941	+	CompletableFuture<?> dep = fun.apply(src);
3942	+	checkCompletedWithWrappedCancellationException(dep);
3943	+	assertSame(resultOf(src), resultOf(dep));
3944	+	}
3945	+
3946	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3947	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3948	+	fun : funs) {
3949	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3950	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3951	+	CompletableFuture<?> dep = fun.apply(src);
3952	+	f.cancel(mayInterruptIfRunning);
3953	+	checkCancelled(f);
3954	+	checkCompletedWithWrappedCancellationException(src);
3955	+	checkCompletedWithWrappedCancellationException(dep);
3956	+	assertSame(resultOf(src), resultOf(dep));
3957	+	}
3958	+	}}
3959	+
3960		/**
3961	<	* handleAsync action completes normally with function value on
3283	<	* either normal or exceptional completion of source
3961	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3962		*/
3963	<	public void testHandleAsync() {
3964	<	CompletableFuture<Integer> f, g;
3965	<	IntegerHandler r;
3963	>	public void testMinimalCompletionStage_minimality() {
3964	>	if (!testImplementationDetails) return;
3965	>	Function<Method, String> toSignature =
3966	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3967	>	Predicate<Method> isNotStatic =
3968	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3969	>	List<Method> minimalMethods =
3970	>	Stream.of(Object.class, CompletionStage.class)
3971	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3972	>	.filter(isNotStatic)
3973	>	.collect(Collectors.toList());
3974	>	// Methods from CompletableFuture permitted NOT to throw UOE
3975	>	String[] signatureWhitelist = {
3976	>	"newIncompleteFuture[]",
3977	>	"defaultExecutor[]",
3978	>	"minimalCompletionStage[]",
3979	>	"copy[]",
3980	>	};
3981	>	Set<String> permittedMethodSignatures =
3982	>	Stream.concat(minimalMethods.stream().map(toSignature),
3983	>	Stream.of(signatureWhitelist))
3984	>	.collect(Collectors.toSet());
3985	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3986	>	.filter(isNotStatic)
3987	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3988	>	.collect(Collectors.toList());
3989	>
3990	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
3991	>	CompletionStage<Integer> min =
3992	>	new CompletableFuture<Integer>().minimalCompletionStage();
3993	>	stages.add(min);
3994	>	stages.add(min.thenApply(x -> x));
3995	>	stages.add(CompletableFuture.completedStage(1));
3996	>	stages.add(CompletableFuture.failedStage(new CFException()));
3997	>
3998	>	List<Method> bugs = new ArrayList<>();
3999	>	for (Method method : allMethods) {
4000	>	Class<?>[] parameterTypes = method.getParameterTypes();
4001	>	Object[] args = new Object[parameterTypes.length];
4002	>	// Manufacture boxed primitives for primitive params
4003	>	for (int i = 0; i < args.length; i++) {
4004	>	Class<?> type = parameterTypes[i];
4005	>	if (parameterTypes[i] == boolean.class)
4006	>	args[i] = false;
4007	>	else if (parameterTypes[i] == int.class)
4008	>	args[i] = 0;
4009	>	else if (parameterTypes[i] == long.class)
4010	>	args[i] = 0L;
4011	>	}
4012	>	for (CompletionStage<Integer> stage : stages) {
4013	>	try {
4014	>	method.invoke(stage, args);
4015	>	bugs.add(method);
4016	>	}
4017	>	catch (java.lang.reflect.InvocationTargetException expected) {
4018	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4019	>	bugs.add(method);
4020	>	// expected.getCause().printStackTrace();
4021	>	}
4022	>	}
4023	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4024	>	}
4025	>	}
4026	>	if (!bugs.isEmpty())
4027	>	throw new Error("Methods did not throw UOE: " + bugs);
4028	>	}
4029
4030	<	f = new CompletableFuture<>();
4031	<	g = f.handleAsync(r = new IntegerHandler());
4032	<	assertFalse(r.ran);
4033	<	f.completeExceptionally(new CFException());
4034	<	checkCompletedWithWrappedCFException(f);
4035	<	checkCompletedNormally(g, three);
4036	<	assertTrue(r.ran);
4030	>	/**
4031	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4032	>	* is completed normally, with the same value, when source is.
4033	>	*/
4034	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4035	>	for (boolean createIncomplete : new boolean[] { true, false })
4036	>	for (Integer v1 : new Integer[] { 1, null })
4037	>	{
4038	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4039	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4040	>	if (!createIncomplete) assertTrue(f.complete(v1));
4041	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4042	>	if (createIncomplete) {
4043	>	checkIncomplete(f);
4044	>	checkIncomplete(g);
4045	>	assertTrue(f.complete(v1));
4046	>	}
4047	>	checkCompletedNormally(f, v1);
4048	>	checkCompletedNormally(g, v1);
4049	>	}}
4050
4051	<	f = new CompletableFuture<>();
4052	<	g = f.handleAsync(r = new IntegerHandler());
4053	<	assertFalse(r.ran);
4054	<	f.completeExceptionally(new CFException());
4055	<	checkCompletedWithWrappedCFException(f);
4056	<	checkCompletedNormally(g, three);
4057	<	assertTrue(r.ran);
4051	>	/**
4052	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4053	>	* is completed exceptionally when source is.
4054	>	*/
4055	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4056	>	for (boolean createIncomplete : new boolean[] { true, false })
4057	>	{
4058	>	CFException ex = new CFException();
4059	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4060	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4061	>	if (!createIncomplete) f.completeExceptionally(ex);
4062	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4063	>	if (createIncomplete) {
4064	>	checkIncomplete(f);
4065	>	checkIncomplete(g);
4066	>	f.completeExceptionally(ex);
4067	>	}
4068	>	checkCompletedExceptionally(f, ex);
4069	>	checkCompletedWithWrappedException(g, ex);
4070	>	}}
4071
4072	<	f = new CompletableFuture<>();
4073	<	g = f.handleAsync(r = new IntegerHandler());
4074	<	assertFalse(r.ran);
4075	<	f.complete(one);
4076	<	checkCompletedNormally(f, one);
4077	<	checkCompletedNormally(g, two);
4078	<	assertTrue(r.ran);
4072	>	/**
4073	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4074	>	*/
4075	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4076	>	for (Integer v1 : new Integer[] { 1, null })
4077	>	{
4078	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4079	>	CompletionStage minimal = f.minimalCompletionStage();
4080	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4081	>	assertTrue(g.complete(v1));
4082	>	checkCompletedNormally(g, v1);
4083	>	checkIncomplete(f);
4084	>	checkIncomplete(minimal.toCompletableFuture());
4085	>	}}
4086
4087	<	f = new CompletableFuture<>();
4088	<	g = f.handleAsync(r = new IntegerHandler());
4089	<	assertFalse(r.ran);
4090	<	f.complete(one);
4091	<	checkCompletedNormally(f, one);
4092	<	checkCompletedNormally(g, two);
4093	<	assertTrue(r.ran);
4087	>	/**
4088	>	* minimalStage.toCompletableFuture().join() awaits completion
4089	>	*/
4090	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4091	>	for (boolean createIncomplete : new boolean[] { true, false })
4092	>	for (Integer v1 : new Integer[] { 1, null })
4093	>	{
4094	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4095	>	if (!createIncomplete) assertTrue(f.complete(v1));
4096	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4097	>	if (createIncomplete) assertTrue(f.complete(v1));
4098	>	assertEquals(v1, minimal.toCompletableFuture().join());
4099	>	assertEquals(v1, minimal.toCompletableFuture().get());
4100	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4101	>	}}
4102	>
4103	>	/**
4104	>	* Completion of a toCompletableFuture copy of a minimal stage
4105	>	* does not complete its source.
4106	>	*/
4107	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4108	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4109	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4110	>	assertTrue(g.toCompletableFuture().complete(1));
4111	>	assertTrue(g.toCompletableFuture().complete(null));
4112	>	assertTrue(g.toCompletableFuture().cancel(true));
4113	>	assertTrue(g.toCompletableFuture().cancel(false));
4114	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4115	>	checkIncomplete(g.toCompletableFuture());
4116	>	f.complete(1);
4117	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4118	>	}
4119	>
4120	>	/** Demo utility method for external reliable toCompletableFuture */
4121	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4122	>	CompletableFuture<T> f = new CompletableFuture<>();
4123	>	stage.handle((T t, Throwable ex) -> {
4124	>	if (ex != null) f.completeExceptionally(ex);
4125	>	else f.complete(t);
4126	>	return null;
4127	>	});
4128	>	return f;
4129	>	}
4130	>
4131	>	/** Demo utility method to join a CompletionStage */
4132	>	static <T> T join(CompletionStage<T> stage) {
4133	>	return toCompletableFuture(stage).join();
4134		}
4135
4136		/**
4137	<	* handleAsync action with Executor completes normally with
3324	<	* function value on either normal or exceptional completion of
3325	<	* source
4137	>	* Joining a minimal stage "by hand" works
4138		*/
4139	<	public void testHandleAsync2() {
4140	<	CompletableFuture<Integer> f, g;
4141	<	ThreadExecutor exec = new ThreadExecutor();
4142	<	IntegerHandler r;
4139	>	public void testMinimalCompletionStage_join_by_hand() {
4140	>	for (boolean createIncomplete : new boolean[] { true, false })
4141	>	for (Integer v1 : new Integer[] { 1, null })
4142	>	{
4143	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4144	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4145	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4146	>	if (!createIncomplete) assertTrue(f.complete(v1));
4147	>	minimal.thenAccept(x -> g.complete(x));
4148	>	if (createIncomplete) assertTrue(f.complete(v1));
4149	>	g.join();
4150	>	checkCompletedNormally(g, v1);
4151	>	checkCompletedNormally(f, v1);
4152	>	assertEquals(v1, join(minimal));
4153	>	}}
4154
4155	<	f = new CompletableFuture<>();
4156	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4157	<	assertFalse(r.ran);
4158	<	f.completeExceptionally(new CFException());
4159	<	checkCompletedWithWrappedCFException(f);
4160	<	checkCompletedNormally(g, three);
4161	<	assertTrue(r.ran);
4155	>	static class Monad {
4156	>	static class ZeroException extends RuntimeException {
4157	>	public ZeroException() { super("monadic zero"); }
4158	>	}
4159	>	// "return", "unit"
4160	>	static <T> CompletableFuture<T> unit(T value) {
4161	>	return completedFuture(value);
4162	>	}
4163	>	// monadic zero ?
4164	>	static <T> CompletableFuture<T> zero() {
4165	>	return failedFuture(new ZeroException());
4166	>	}
4167	>	// >=>
4168	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4169	>	(Function<T, CompletableFuture<U>> f,
4170	>	Function<U, CompletableFuture<V>> g) {
4171	>	return x -> f.apply(x).thenCompose(g);
4172	>	}
4173
4174	<	f = new CompletableFuture<>();
4175	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4176	<	assertFalse(r.ran);
4177	<	f.completeExceptionally(new CFException());
4178	<	checkCompletedWithWrappedCFException(f);
4179	<	checkCompletedNormally(g, three);
4180	<	assertTrue(r.ran);
4174	>	static void assertZero(CompletableFuture<?> f) {
4175	>	try {
4176	>	f.getNow(null);
4177	>	throw new AssertionFailedError("should throw");
4178	>	} catch (CompletionException success) {
4179	>	assertTrue(success.getCause() instanceof ZeroException);
4180	>	}
4181	>	}
4182
4183	<	f = new CompletableFuture<>();
4184	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4185	<	assertFalse(r.ran);
4186	<	f.complete(one);
4187	<	checkCompletedNormally(f, one);
4188	<	checkCompletedNormally(g, two);
4189	<	assertTrue(r.ran);
4183	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4184	>	CompletableFuture<T> g) {
4185	>	T fval = null, gval = null;
4186	>	Throwable fex = null, gex = null;
4187	>
4188	>	try { fval = f.get(); }
4189	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4190	>	catch (Throwable ex) { fex = ex; }
4191	>
4192	>	try { gval = g.get(); }
4193	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4194	>	catch (Throwable ex) { gex = ex; }
4195	>
4196	>	if (fex != null || gex != null)
4197	>	assertSame(fex.getClass(), gex.getClass());
4198	>	else
4199	>	assertEquals(fval, gval);
4200	>	}
4201
4202	<	f = new CompletableFuture<>();
4203	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4204	<	assertFalse(r.ran);
4205	<	f.complete(one);
4206	<	checkCompletedNormally(f, one);
4207	<	checkCompletedNormally(g, two);
4208	<	assertTrue(r.ran);
4202	>	static class PlusFuture<T> extends CompletableFuture<T> {
4203	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4204	>	}
4205	>
4206	>	/** Implements "monadic plus". */
4207	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4208	>	CompletableFuture<? extends T> g) {
4209	>	PlusFuture<T> plus = new PlusFuture<T>();
4210	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4211	>	try {
4212	>	if (ex == null) {
4213	>	if (plus.complete(result))
4214	>	if (plus.firstFailure.get() != null)
4215	>	plus.firstFailure.set(null);
4216	>	}
4217	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4218	>	if (plus.isDone())
4219	>	plus.firstFailure.set(null);
4220	>	}
4221	>	else {
4222	>	// first failure has precedence
4223	>	Throwable first = plus.firstFailure.getAndSet(null);
4224	>
4225	>	// may fail with "Self-suppression not permitted"
4226	>	try { first.addSuppressed(ex); }
4227	>	catch (Exception ignored) {}
4228	>
4229	>	plus.completeExceptionally(first);
4230	>	}
4231	>	} catch (Throwable unexpected) {
4232	>	plus.completeExceptionally(unexpected);
4233	>	}
4234	>	};
4235	>	f.whenComplete(action);
4236	>	g.whenComplete(action);
4237	>	return plus;
4238	>	}
4239		}
4240
4241	+	/**
4242	+	* CompletableFuture is an additive monad - sort of.
4243	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4244	+	*/
4245	+	public void testAdditiveMonad() throws Throwable {
4246	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4247	+	CompletableFuture<Long> zero = Monad.zero();
4248	+
4249	+	// Some mutually non-commutative functions
4250	+	Function<Long, CompletableFuture<Long>> triple
4251	+	= x -> Monad.unit(3 * x);
4252	+	Function<Long, CompletableFuture<Long>> inc
4253	+	= x -> Monad.unit(x + 1);
4254	+
4255	+	// unit is a right identity: m >>= unit === m
4256	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4257	+	inc.apply(5L));
4258	+	// unit is a left identity: (unit x) >>= f === f x
4259	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4260	+	inc.apply(5L));
4261	+
4262	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4263	+	Monad.assertFutureEquals(
4264	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4265	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4266	+
4267	+	// The case for CompletableFuture as an additive monad is weaker...
4268	+
4269	+	// zero is a monadic zero
4270	+	Monad.assertZero(zero);
4271	+
4272	+	// left zero: zero >>= f === zero
4273	+	Monad.assertZero(zero.thenCompose(inc));
4274	+	// right zero: f >>= (\x -> zero) === zero
4275	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4276	+
4277	+	// f plus zero === f
4278	+	Monad.assertFutureEquals(Monad.unit(5L),
4279	+	Monad.plus(Monad.unit(5L), zero));
4280	+	// zero plus f === f
4281	+	Monad.assertFutureEquals(Monad.unit(5L),
4282	+	Monad.plus(zero, Monad.unit(5L)));
4283	+	// zero plus zero === zero
4284	+	Monad.assertZero(Monad.plus(zero, zero));
4285	+	{
4286	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4287	+	Monad.unit(8L));
4288	+	// non-determinism
4289	+	assertTrue(f.get() == 5L || f.get() == 8L);
4290	+	}
4291	+
4292	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4293	+	// f plus godot === f (doesn't wait for godot)
4294	+	Monad.assertFutureEquals(Monad.unit(5L),
4295	+	Monad.plus(Monad.unit(5L), godot));
4296	+	// godot plus f === f (doesn't wait for godot)
4297	+	Monad.assertFutureEquals(Monad.unit(5L),
4298	+	Monad.plus(godot, Monad.unit(5L)));
4299	+	}
4300	+
4301	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4302	+	public void testRecursiveChains() throws Throwable {
4303	+	for (ExecutionMode m : ExecutionMode.values())
4304	+	for (boolean addDeadEnds : new boolean[] { true, false })
4305	+	{
4306	+	final int val = 42;
4307	+	final int n = expensiveTests ? 1_000 : 2;
4308	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4309	+	CompletableFuture<Integer> tail = head;
4310	+	for (int i = 0; i < n; i++) {
4311	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4312	+	tail = m.thenApply(tail, v -> v + 1);
4313	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4314	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4315	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4316	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4317	+	}
4318	+	head.complete(val);
4319	+	assertEquals(val + 3 * n, (int) tail.join());
4320	+	}}
4321	+
4322	+	/**
4323	+	* A single CompletableFuture with many dependents.
4324	+	* A demo of scalability - runtime is O(n).
4325	+	*/
4326	+	public void testManyDependents() throws Throwable {
4327	+	final int n = expensiveTests ? 1_000_000 : 10;
4328	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4329	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4330	+	final AtomicInteger count = new AtomicInteger(0);
4331	+	for (int i = 0; i < n; i++) {
4332	+	head.thenRun(() -> count.getAndIncrement());
4333	+	head.thenAccept(x -> count.getAndIncrement());
4334	+	head.thenApply(x -> count.getAndIncrement());
4335	+
4336	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4337	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4338	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4339	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4340	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4341	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4342	+
4343	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4344	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4345	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4346	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4347	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4348	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4349	+	}
4350	+	head.complete(null);
4351	+	assertEquals(5 * 3 * n, count.get());
4352	+	}
4353	+
4354	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4355	+	public void testCoCompletionGarbageRetention() throws Throwable {
4356	+	final int n = expensiveTests ? 1_000_000 : 10;
4357	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4358	+	CompletableFuture<Integer> f;
4359	+	for (int i = 0; i < n; i++) {
4360	+	f = new CompletableFuture<>();
4361	+	f.runAfterEither(incomplete, () -> {});
4362	+	f.complete(null);
4363	+
4364	+	f = new CompletableFuture<>();
4365	+	f.acceptEither(incomplete, x -> {});
4366	+	f.complete(null);
4367	+
4368	+	f = new CompletableFuture<>();
4369	+	f.applyToEither(incomplete, x -> x);
4370	+	f.complete(null);
4371	+
4372	+	f = new CompletableFuture<>();
4373	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4374	+	f.complete(null);
4375	+	}
4376	+
4377	+	for (int i = 0; i < n; i++) {
4378	+	f = new CompletableFuture<>();
4379	+	incomplete.runAfterEither(f, () -> {});
4380	+	f.complete(null);
4381	+
4382	+	f = new CompletableFuture<>();
4383	+	incomplete.acceptEither(f, x -> {});
4384	+	f.complete(null);
4385	+
4386	+	f = new CompletableFuture<>();
4387	+	incomplete.applyToEither(f, x -> x);
4388	+	f.complete(null);
4389	+
4390	+	f = new CompletableFuture<>();
4391	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4392	+	f.complete(null);
4393	+	}
4394	+	}
4395	+
4396	+	/**
4397	+	* Reproduction recipe for:
4398	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4399	+	* cvs update -D '2016-05-01' ./src/main/java/util/concurrent/CompletableFuture.java && ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testAnyOfGarbageRetention tck; cvs update -A
4400	+	*/
4401	+	public void testAnyOfGarbageRetention() throws Throwable {
4402	+	for (Integer v : new Integer[] { 1, null })
4403	+	{
4404	+	final int n = expensiveTests ? 100_000 : 10;
4405	+	CompletableFuture<Integer>[] fs
4406	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4407	+	for (int i = 0; i < fs.length; i++)
4408	+	fs[i] = new CompletableFuture<>();
4409	+	fs[fs.length - 1].complete(v);
4410	+	for (int i = 0; i < n; i++)
4411	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4412	+	}}
4413	+
4414	+	/**
4415	+	* Checks for garbage retention with allOf.
4416	+	*
4417	+	* As of 2016-07, fails with OOME:
4418	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4419	+	*/
4420	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4421	+	final int n = expensiveTests ? 100_000 : 10;
4422	+	CompletableFuture<Integer>[] fs
4423	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4424	+	for (int i = 0; i < fs.length; i++)
4425	+	fs[i] = new CompletableFuture<>();
4426	+	for (int i = 0; i < n; i++)
4427	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4428	+	}
4429	+
4430	+	/**
4431	+	* Checks for garbage retention when a dependent future is
4432	+	* cancelled and garbage-collected.
4433	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4434	+	*
4435	+	* As of 2016-07, fails with OOME:
4436	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4437	+	*/
4438	+	public void testCancelledGarbageRetention() throws Throwable {
4439	+	final int n = expensiveTests ? 100_000 : 10;
4440	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4441	+	for (int i = 0; i < n; i++)
4442	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4443	+	}
4444	+
4445	+	/**
4446	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4447	+	* is invoked many times.
4448	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4449	+	*
4450	+	* As of 2016-07, fails with OOME:
4451	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4452	+	*/
4453	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4454	+	final int n = expensiveTests ? 900_000 : 10;
4455	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4456	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4457	+	for (int i = 0; i < n; i++)
4458	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4459	+	}
4460	+
4461	+	//     static <U> U join(CompletionStage<U> stage) {
4462	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4463	+	//         stage.whenComplete((v, ex) -> {
4464	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4465	+	//         });
4466	+	//         return f.join();
4467	+	//     }
4468	+
4469	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4470	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4471	+	//         stage.whenComplete((v, ex) -> {
4472	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4473	+	//         });
4474	+	//         return f.isDone();
4475	+	//     }
4476	+
4477	+	//     static <U> U join2(CompletionStage<U> stage) {
4478	+	//         return stage.toCompletableFuture().copy().join();
4479	+	//     }
4480	+
4481	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4482	+	//         return stage.toCompletableFuture().copy().isDone();
4483	+	//     }
4484	+
4485		}

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