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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.34 by jsr166, Sun Jun 1 21:17:05 2014 UTC vs.
Revision 1.138 by jsr166, Sun Nov 15 23:31:51 2015 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28	+	import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33		import java.util.concurrent.TimeoutException;
34	+	import java.util.concurrent.TimeUnit;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
22	<	import static java.util.concurrent.TimeUnit.SECONDS;
23	<	import java.util.*;
24	<	import java.util.function.Supplier;
25	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
27	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.AssertionFailedError;
45	+	import junit.framework.Test;
46	+	import junit.framework.TestSuite;
47
48		public class CompletableFutureTest extends JSR166TestCase {
49
50		public static void main(String[] args) {
51	<	junit.textui.TestRunner.run(suite());
51	>	main(suite(), args);
52		}
53		public static Test suite() {
54		return new TestSuite(CompletableFutureTest.class);
#	Line 41 | Line 59 | public class CompletableFutureTest exten
59		void checkIncomplete(CompletableFuture<?> f) {
60		assertFalse(f.isDone());
61		assertFalse(f.isCancelled());
62	<	assertTrue(f.toString().contains("[Not completed]"));
62	>	assertTrue(f.toString().contains("Not completed"));
63		try {
64		assertNull(f.getNow(null));
65		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 54 | Line 72 | public class CompletableFutureTest exten
72		}
73
74		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
75	<	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	>	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
97	>	// handle (and whenComplete) can distinguish between "direct"
98	>	// and "wrapped" exceptional completion
99	>	return f.handle((U u, Throwable t) -> t).join();
100	>	}
101	>
102	>	void checkCompletedExceptionally(CompletableFuture<?> f,
103	>	boolean wrapped,
104	>	Consumer<Throwable> checker) {
105	>	Throwable cause = exceptionalCompletion(f);
106	>	if (wrapped) {
107	>	assertTrue(cause instanceof CompletionException);
108	>	cause = cause.getCause();
109		}
110	<	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 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 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	>	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	>	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);
615	<	}
616	<
617	<	/**
618	<	* thenApply result completes exceptionally after exceptional
619	<	* completion of source
620	<	*/
621	<	public void testThenApply2() {
622	<	CompletableFuture<Integer> f = new CompletableFuture<>();
623	<	CompletableFuture<Integer> g = f.thenApply(inc);
624	<	f.completeExceptionally(new CFException());
625	<	checkCompletedWithWrappedCFException(g);
414	>	class IncFunction extends CheckedIntegerAction
415	>	implements Function<Integer,Integer>
416	>	{
417	>	IncFunction(ExecutionMode m) { super(m); }
418	>	public Integer apply(Integer x) {
419	>	invoked();
420	>	return value = inc(x);
421	>	}
422		}
423
424	<	/**
425	<	* thenApply result completes exceptionally if action does
426	<	*/
427	<	public void testThenApply3() {
428	<	CompletableFuture<Integer> f = new CompletableFuture<>();
429	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
634	<	f.complete(one);
635	<	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 source cancelled
434	<	*/
435	<	public void testThenApply4() {
436	<	CompletableFuture<Integer> f = new CompletableFuture<>();
437	<	CompletableFuture<Integer> g = f.thenApply(inc);
438	<	assertTrue(f.cancel(true));
439	<	checkCompletedWithWrappedCancellationException(g);
432	>	class SubtractAction extends CheckedIntegerAction
433	>	implements BiConsumer<Integer, Integer>
434	>	{
435	>	SubtractAction(ExecutionMode m) { super(m); }
436	>	public void accept(Integer x, Integer y) {
437	>	invoked();
438	>	value = subtract(x, y);
439	>	}
440		}
441
442	<	/**
443	<	* thenAccept result completes normally after normal completion of source
444	<	*/
445	<	public void testThenAccept() {
446	<	CompletableFuture<Integer> f = new CompletableFuture<>();
447	<	IncAction r = new IncAction();
448	<	CompletableFuture<Void> g = f.thenAccept(r);
449	<	f.complete(one);
656	<	checkCompletedNormally(g, null);
657	<	assertEquals(r.value, 2);
442	>	class SubtractFunction extends CheckedIntegerAction
443	>	implements BiFunction<Integer, Integer, Integer>
444	>	{
445	>	SubtractFunction(ExecutionMode m) { super(m); }
446	>	public Integer apply(Integer x, Integer y) {
447	>	invoked();
448	>	return value = subtract(x, y);
449	>	}
450		}
451
452	<	/**
453	<	* thenAccept result completes exceptionally after exceptional
454	<	* completion of source
455	<	*/
456	<	public void testThenAccept2() {
665	<	CompletableFuture<Integer> f = new CompletableFuture<>();
666	<	IncAction r = new IncAction();
667	<	CompletableFuture<Void> g = f.thenAccept(r);
668	<	f.completeExceptionally(new CFException());
669	<	checkCompletedWithWrappedCFException(g);
452	>	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 if action does
461	<	*/
462	<	public void testThenAccept3() {
463	<	CompletableFuture<Integer> f = new CompletableFuture<>();
464	<	FailingConsumer r = new FailingConsumer();
465	<	CompletableFuture<Void> g = f.thenAccept(r);
466	<	f.complete(one);
680	<	checkCompletedWithWrappedCFException(g);
681	<	assertTrue(r.ran);
459	>	class FailingSupplier extends CheckedAction
460	>	implements Supplier<Integer>
461	>	{
462	>	FailingSupplier(ExecutionMode m) { super(m); }
463	>	public Integer get() {
464	>	invoked();
465	>	throw new CFException();
466	>	}
467		}
468
469	<	/**
470	<	* thenAccept result completes exceptionally if source cancelled
471	<	*/
472	<	public void testThenAccept4() {
473	<	CompletableFuture<Integer> f = new CompletableFuture<>();
474	<	IncAction r = new IncAction();
475	<	CompletableFuture<Void> g = f.thenAccept(r);
476	<	assertTrue(f.cancel(true));
477	<	checkCompletedWithWrappedCancellationException(g);
469	>	class FailingConsumer extends CheckedIntegerAction
470	>	implements Consumer<Integer>
471	>	{
472	>	FailingConsumer(ExecutionMode m) { super(m); }
473	>	public void accept(Integer x) {
474	>	invoked();
475	>	value = x;
476	>	throw new CFException();
477	>	}
478		}
479
480	<	/**
481	<	* thenCombine result completes normally after normal completion
482	<	* of sources
483	<	*/
484	<	public void testThenCombine() {
485	<	CompletableFuture<Integer> f, g, h;
486	<
487	<	f = new CompletableFuture<>();
488	<	g = new CompletableFuture<>();
704	<	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);
480	>	class FailingBiConsumer extends CheckedIntegerAction
481	>	implements BiConsumer<Integer, Integer>
482	>	{
483	>	FailingBiConsumer(ExecutionMode m) { super(m); }
484	>	public void accept(Integer x, Integer y) {
485	>	invoked();
486	>	value = subtract(x, y);
487	>	throw new CFException();
488	>	}
489		}
490
491	<	/**
492	<	* thenCombine result completes exceptionally after exceptional
493	<	* completion of either source
494	<	*/
495	<	public void testThenCombine2() {
496	<	CompletableFuture<Integer> f, g, h;
497	<
498	<	f = new CompletableFuture<>();
499	<	g = new CompletableFuture<>();
735	<	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);
491	>	class FailingFunction extends CheckedIntegerAction
492	>	implements Function<Integer, Integer>
493	>	{
494	>	FailingFunction(ExecutionMode m) { super(m); }
495	>	public Integer apply(Integer x) {
496	>	invoked();
497	>	value = x;
498	>	throw new CFException();
499	>	}
500		}
501
502	<	/**
503	<	* thenCombine result completes exceptionally if action does
504	<	*/
505	<	public void testThenCombine3() {
506	<	CompletableFuture<Integer> f = new CompletableFuture<>();
507	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
508	<	FailingBiFunction r = new FailingBiFunction();
509	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
510	<	f.complete(one);
773	<	checkIncomplete(g);
774	<	assertFalse(r.ran);
775	<	f2.complete(two);
776	<	checkCompletedWithWrappedCFException(g);
777	<	assertTrue(r.ran);
502	>	class FailingBiFunction extends CheckedIntegerAction
503	>	implements BiFunction<Integer, Integer, Integer>
504	>	{
505	>	FailingBiFunction(ExecutionMode m) { super(m); }
506	>	public Integer apply(Integer x, Integer y) {
507	>	invoked();
508	>	value = subtract(x, y);
509	>	throw new CFException();
510	>	}
511		}
512
513	<	/**
514	<	* thenCombine result completes exceptionally if either source cancelled
515	<	*/
516	<	public void testThenCombine4() {
517	<	CompletableFuture<Integer> f, g, h;
518	<
786	<	f = new CompletableFuture<>();
787	<	g = new CompletableFuture<>();
788	<	h = f.thenCombine(g, subtract);
789	<	assertTrue(f.cancel(true));
790	<	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);
513	>	class FailingRunnable extends CheckedAction implements Runnable {
514	>	FailingRunnable(ExecutionMode m) { super(m); }
515	>	public void run() {
516	>	invoked();
517	>	throw new CFException();
518	>	}
519		}
520
521	<	/**
522	<	* thenAcceptBoth result completes normally after normal
523	<	* completion of sources
524	<	*/
525	<	public void testThenAcceptBoth() {
526	<	CompletableFuture<Integer> f, g;
527	<	CompletableFuture<Void> h;
528	<	SubtractAction r;
529	<
530	<	f = new CompletableFuture<>();
531	<	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);
521	>	class CompletableFutureInc extends CheckedIntegerAction
522	>	implements Function<Integer, CompletableFuture<Integer>>
523	>	{
524	>	CompletableFutureInc(ExecutionMode m) { super(m); }
525	>	public CompletableFuture<Integer> apply(Integer x) {
526	>	invoked();
527	>	value = x;
528	>	CompletableFuture<Integer> f = new CompletableFuture<>();
529	>	assertTrue(f.complete(inc(x)));
530	>	return f;
531	>	}
532		}
533
534	<	/**
535	<	* thenAcceptBoth result completes exceptionally after exceptional
536	<	* completion of either source
537	<	*/
538	<	public void testThenAcceptBoth2() {
539	<	CompletableFuture<Integer> f, g;
540	<	CompletableFuture<Void> h;
541	<	SubtractAction r;
542	<
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);
534	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
535	>	implements Function<Integer, CompletableFuture<Integer>>
536	>	{
537	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
538	>	public CompletableFuture<Integer> apply(Integer x) {
539	>	invoked();
540	>	value = x;
541	>	throw new CFException();
542	>	}
543		}
544
545	<	/**
546	<	* thenAcceptBoth result completes exceptionally if action does
547	<	*/
548	<	public void testThenAcceptBoth3() {
549	<	CompletableFuture<Integer> f, g;
550	<	CompletableFuture<Void> h;
551	<	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);
545	>	// Used for explicit executor tests
546	>	static final class ThreadExecutor implements Executor {
547	>	final AtomicInteger count = new AtomicInteger(0);
548	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
549	>	static boolean startedCurrentThread() {
550	>	return Thread.currentThread().getThreadGroup() == tg;
551	>	}
552
553	<	f = new CompletableFuture<>();
554	<	g = new CompletableFuture<>();
555	<	f.complete(3);
556	<	g.complete(1);
906	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
907	<	checkCompletedWithWrappedCFException(h);
553	>	public void execute(Runnable r) {
554	>	count.getAndIncrement();
555	>	new Thread(tg, r).start();
556	>	}
557		}
558
559	<	/**
560	<	* 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	<	}
559	>	static final boolean defaultExecutorIsCommonPool
560	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
561
562		/**
563		* Permits the testing of parallel code for the 3 different
564	<	* execution modes without repeating all the testing code.
564	>	* execution modes without copy/pasting all the test methods.
565		*/
566		enum ExecutionMode {
567	<	DEFAULT {
567	>	SYNC {
568	>	public void checkExecutionMode() {
569	>	assertFalse(ThreadExecutor.startedCurrentThread());
570	>	assertNull(ForkJoinTask.getPool());
571	>	}
572	>	public CompletableFuture<Void> runAsync(Runnable a) {
573	>	throw new UnsupportedOperationException();
574	>	}
575	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
576	>	throw new UnsupportedOperationException();
577	>	}
578	>	public <T> CompletableFuture<Void> thenRun
579	>	(CompletableFuture<T> f, Runnable a) {
580	>	return f.thenRun(a);
581	>	}
582	>	public <T> CompletableFuture<Void> thenAccept
583	>	(CompletableFuture<T> f, Consumer<? super T> a) {
584	>	return f.thenAccept(a);
585	>	}
586	>	public <T,U> CompletableFuture<U> thenApply
587	>	(CompletableFuture<T> f, Function<? super T,U> a) {
588	>	return f.thenApply(a);
589	>	}
590	>	public <T,U> CompletableFuture<U> thenCompose
591	>	(CompletableFuture<T> f,
592	>	Function<? super T,? extends CompletionStage<U>> a) {
593	>	return f.thenCompose(a);
594	>	}
595	>	public <T,U> CompletableFuture<U> handle
596	>	(CompletableFuture<T> f,
597	>	BiFunction<? super T,Throwable,? extends U> a) {
598	>	return f.handle(a);
599	>	}
600	>	public <T> CompletableFuture<T> whenComplete
601	>	(CompletableFuture<T> f,
602	>	BiConsumer<? super T,? super Throwable> a) {
603	>	return f.whenComplete(a);
604	>	}
605		public <T,U> CompletableFuture<Void> runAfterBoth
606	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
607	<	return f.runAfterBoth(g, r);
606	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
607	>	return f.runAfterBoth(g, a);
608	>	}
609	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
610	>	(CompletableFuture<T> f,
611	>	CompletionStage<? extends U> g,
612	>	BiConsumer<? super T,? super U> a) {
613	>	return f.thenAcceptBoth(g, a);
614	>	}
615	>	public <T,U,V> CompletableFuture<V> thenCombine
616	>	(CompletableFuture<T> f,
617	>	CompletionStage<? extends U> g,
618	>	BiFunction<? super T,? super U,? extends V> a) {
619	>	return f.thenCombine(g, a);
620	>	}
621	>	public <T> CompletableFuture<Void> runAfterEither
622	>	(CompletableFuture<T> f,
623	>	CompletionStage<?> g,
624	>	java.lang.Runnable a) {
625	>	return f.runAfterEither(g, a);
626	>	}
627	>	public <T> CompletableFuture<Void> acceptEither
628	>	(CompletableFuture<T> f,
629	>	CompletionStage<? extends T> g,
630	>	Consumer<? super T> a) {
631	>	return f.acceptEither(g, a);
632	>	}
633	>	public <T,U> CompletableFuture<U> applyToEither
634	>	(CompletableFuture<T> f,
635	>	CompletionStage<? extends T> g,
636	>	Function<? super T,U> a) {
637	>	return f.applyToEither(g, a);
638		}
639		},
640
641	<	DEFAULT_ASYNC {
641	>	ASYNC {
642	>	public void checkExecutionMode() {
643	>	assertEquals(defaultExecutorIsCommonPool,
644	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
645	>	}
646	>	public CompletableFuture<Void> runAsync(Runnable a) {
647	>	return CompletableFuture.runAsync(a);
648	>	}
649	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
650	>	return CompletableFuture.supplyAsync(a);
651	>	}
652	>	public <T> CompletableFuture<Void> thenRun
653	>	(CompletableFuture<T> f, Runnable a) {
654	>	return f.thenRunAsync(a);
655	>	}
656	>	public <T> CompletableFuture<Void> thenAccept
657	>	(CompletableFuture<T> f, Consumer<? super T> a) {
658	>	return f.thenAcceptAsync(a);
659	>	}
660	>	public <T,U> CompletableFuture<U> thenApply
661	>	(CompletableFuture<T> f, Function<? super T,U> a) {
662	>	return f.thenApplyAsync(a);
663	>	}
664	>	public <T,U> CompletableFuture<U> thenCompose
665	>	(CompletableFuture<T> f,
666	>	Function<? super T,? extends CompletionStage<U>> a) {
667	>	return f.thenComposeAsync(a);
668	>	}
669	>	public <T,U> CompletableFuture<U> handle
670	>	(CompletableFuture<T> f,
671	>	BiFunction<? super T,Throwable,? extends U> a) {
672	>	return f.handleAsync(a);
673	>	}
674	>	public <T> CompletableFuture<T> whenComplete
675	>	(CompletableFuture<T> f,
676	>	BiConsumer<? super T,? super Throwable> a) {
677	>	return f.whenCompleteAsync(a);
678	>	}
679		public <T,U> CompletableFuture<Void> runAfterBoth
680	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
681	<	return f.runAfterBothAsync(g, r);
680	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
681	>	return f.runAfterBothAsync(g, a);
682	>	}
683	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
684	>	(CompletableFuture<T> f,
685	>	CompletionStage<? extends U> g,
686	>	BiConsumer<? super T,? super U> a) {
687	>	return f.thenAcceptBothAsync(g, a);
688	>	}
689	>	public <T,U,V> CompletableFuture<V> thenCombine
690	>	(CompletableFuture<T> f,
691	>	CompletionStage<? extends U> g,
692	>	BiFunction<? super T,? super U,? extends V> a) {
693	>	return f.thenCombineAsync(g, a);
694	>	}
695	>	public <T> CompletableFuture<Void> runAfterEither
696	>	(CompletableFuture<T> f,
697	>	CompletionStage<?> g,
698	>	java.lang.Runnable a) {
699	>	return f.runAfterEitherAsync(g, a);
700	>	}
701	>	public <T> CompletableFuture<Void> acceptEither
702	>	(CompletableFuture<T> f,
703	>	CompletionStage<? extends T> g,
704	>	Consumer<? super T> a) {
705	>	return f.acceptEitherAsync(g, a);
706	>	}
707	>	public <T,U> CompletableFuture<U> applyToEither
708	>	(CompletableFuture<T> f,
709	>	CompletionStage<? extends T> g,
710	>	Function<? super T,U> a) {
711	>	return f.applyToEitherAsync(g, a);
712		}
713		},
714
715		EXECUTOR {
716	+	public void checkExecutionMode() {
717	+	assertTrue(ThreadExecutor.startedCurrentThread());
718	+	}
719	+	public CompletableFuture<Void> runAsync(Runnable a) {
720	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
721	+	}
722	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
723	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
724	+	}
725	+	public <T> CompletableFuture<Void> thenRun
726	+	(CompletableFuture<T> f, Runnable a) {
727	+	return f.thenRunAsync(a, new ThreadExecutor());
728	+	}
729	+	public <T> CompletableFuture<Void> thenAccept
730	+	(CompletableFuture<T> f, Consumer<? super T> a) {
731	+	return f.thenAcceptAsync(a, new ThreadExecutor());
732	+	}
733	+	public <T,U> CompletableFuture<U> thenApply
734	+	(CompletableFuture<T> f, Function<? super T,U> a) {
735	+	return f.thenApplyAsync(a, new ThreadExecutor());
736	+	}
737	+	public <T,U> CompletableFuture<U> thenCompose
738	+	(CompletableFuture<T> f,
739	+	Function<? super T,? extends CompletionStage<U>> a) {
740	+	return f.thenComposeAsync(a, new ThreadExecutor());
741	+	}
742	+	public <T,U> CompletableFuture<U> handle
743	+	(CompletableFuture<T> f,
744	+	BiFunction<? super T,Throwable,? extends U> a) {
745	+	return f.handleAsync(a, new ThreadExecutor());
746	+	}
747	+	public <T> CompletableFuture<T> whenComplete
748	+	(CompletableFuture<T> f,
749	+	BiConsumer<? super T,? super Throwable> a) {
750	+	return f.whenCompleteAsync(a, new ThreadExecutor());
751	+	}
752		public <T,U> CompletableFuture<Void> runAfterBoth
753	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
754	<	return f.runAfterBothAsync(g, r, new ThreadExecutor());
753	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
754	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
755	>	}
756	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
757	>	(CompletableFuture<T> f,
758	>	CompletionStage<? extends U> g,
759	>	BiConsumer<? super T,? super U> a) {
760	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
761	>	}
762	>	public <T,U,V> CompletableFuture<V> thenCombine
763	>	(CompletableFuture<T> f,
764	>	CompletionStage<? extends U> g,
765	>	BiFunction<? super T,? super U,? extends V> a) {
766	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
767	>	}
768	>	public <T> CompletableFuture<Void> runAfterEither
769	>	(CompletableFuture<T> f,
770	>	CompletionStage<?> g,
771	>	java.lang.Runnable a) {
772	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
773	>	}
774	>	public <T> CompletableFuture<Void> acceptEither
775	>	(CompletableFuture<T> f,
776	>	CompletionStage<? extends T> g,
777	>	Consumer<? super T> a) {
778	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
779	>	}
780	>	public <T,U> CompletableFuture<U> applyToEither
781	>	(CompletableFuture<T> f,
782	>	CompletionStage<? extends T> g,
783	>	Function<? super T,U> a) {
784	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
785		}
786		};
787
788	+	public abstract void checkExecutionMode();
789	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
790	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
791	+	public abstract <T> CompletableFuture<Void> thenRun
792	+	(CompletableFuture<T> f, Runnable a);
793	+	public abstract <T> CompletableFuture<Void> thenAccept
794	+	(CompletableFuture<T> f, Consumer<? super T> a);
795	+	public abstract <T,U> CompletableFuture<U> thenApply
796	+	(CompletableFuture<T> f, Function<? super T,U> a);
797	+	public abstract <T,U> CompletableFuture<U> thenCompose
798	+	(CompletableFuture<T> f,
799	+	Function<? super T,? extends CompletionStage<U>> a);
800	+	public abstract <T,U> CompletableFuture<U> handle
801	+	(CompletableFuture<T> f,
802	+	BiFunction<? super T,Throwable,? extends U> a);
803	+	public abstract <T> CompletableFuture<T> whenComplete
804	+	(CompletableFuture<T> f,
805	+	BiConsumer<? super T,? super Throwable> a);
806		public abstract <T,U> CompletableFuture<Void> runAfterBoth
807	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r);
807	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
808	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
809	>	(CompletableFuture<T> f,
810	>	CompletionStage<? extends U> g,
811	>	BiConsumer<? super T,? super U> a);
812	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
813	>	(CompletableFuture<T> f,
814	>	CompletionStage<? extends U> g,
815	>	BiFunction<? super T,? super U,? extends V> a);
816	>	public abstract <T> CompletableFuture<Void> runAfterEither
817	>	(CompletableFuture<T> f,
818	>	CompletionStage<?> g,
819	>	java.lang.Runnable a);
820	>	public abstract <T> CompletableFuture<Void> acceptEither
821	>	(CompletableFuture<T> f,
822	>	CompletionStage<? extends T> g,
823	>	Consumer<? super T> a);
824	>	public abstract <T,U> CompletableFuture<U> applyToEither
825	>	(CompletableFuture<T> f,
826	>	CompletionStage<? extends T> g,
827	>	Function<? super T,U> a);
828		}
829
830		/**
831	<	* runAfterBoth result completes normally after normal
832	<	* completion of sources
831	>	* exceptionally action is not invoked when source completes
832	>	* normally, and source result is propagated
833		*/
834	<	public void testRunAfterBoth_normalCompletion1() {
835	<	for (ExecutionMode m : ExecutionMode.values())
834	>	public void testExceptionally_normalCompletion() {
835	>	for (boolean createIncomplete : new boolean[] { true, false })
836		for (Integer v1 : new Integer[] { 1, null })
837	<	for (Integer v2 : new Integer[] { 2, null }) {
838	<
837	>	{
838	>	final AtomicInteger a = new AtomicInteger(0);
839		final CompletableFuture<Integer> f = new CompletableFuture<>();
840	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
841	<	final Noop r = new Noop();
842	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
843	<
844	<	f.complete(v1);
845	<	checkIncomplete(h);
846	<	assertFalse(r.ran);
847	<	g.complete(v2);
840	>	if (!createIncomplete) assertTrue(f.complete(v1));
841	>	final CompletableFuture<Integer> g = f.exceptionally
842	>	((Throwable t) -> {
843	>	a.getAndIncrement();
844	>	threadFail("should not be called");
845	>	return null;            // unreached
846	>	});
847	>	if (createIncomplete) assertTrue(f.complete(v1));
848
849	<	checkCompletedNormally(h, null);
999	<	assertTrue(r.ran);
849	>	checkCompletedNormally(g, v1);
850		checkCompletedNormally(f, v1);
851	<	checkCompletedNormally(g, v2);
852	<	}
1003	<	}
851	>	assertEquals(0, a.get());
852	>	}}
853
854	<	public void testRunAfterBoth_normalCompletion2() {
855	<	for (ExecutionMode m : ExecutionMode.values())
854	>	/**
855	>	* exceptionally action completes with function value on source
856	>	* exception
857	>	*/
858	>	public void testExceptionally_exceptionalCompletion() {
859	>	for (boolean createIncomplete : new boolean[] { true, false })
860		for (Integer v1 : new Integer[] { 1, null })
861	<	for (Integer v2 : new Integer[] { 2, null }) {
862	<
861	>	{
862	>	final AtomicInteger a = new AtomicInteger(0);
863	>	final CFException ex = new CFException();
864		final CompletableFuture<Integer> f = new CompletableFuture<>();
865	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
866	<	final Noop r = new Noop();
867	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
868	<
869	<	g.complete(v2);
870	<	checkIncomplete(h);
871	<	assertFalse(r.ran);
872	<	f.complete(v1);
873	<
1020	<	checkCompletedNormally(h, null);
1021	<	assertTrue(r.ran);
1022	<	checkCompletedNormally(f, v1);
1023	<	checkCompletedNormally(g, v2);
1024	<	}
1025	<	}
865	>	if (!createIncomplete) f.completeExceptionally(ex);
866	>	final CompletableFuture<Integer> g = f.exceptionally
867	>	((Throwable t) -> {
868	>	ExecutionMode.SYNC.checkExecutionMode();
869	>	threadAssertSame(t, ex);
870	>	a.getAndIncrement();
871	>	return v1;
872	>	});
873	>	if (createIncomplete) f.completeExceptionally(ex);
874
875	<	public void testRunAfterBoth_normalCompletion3() {
876	<	for (ExecutionMode m : ExecutionMode.values())
877	<	for (Integer v1 : new Integer[] { 1, null })
1030	<	for (Integer v2 : new Integer[] { 2, null }) {
875	>	checkCompletedNormally(g, v1);
876	>	assertEquals(1, a.get());
877	>	}}
878
879	+	/**
880	+	* If an "exceptionally action" throws an exception, it completes
881	+	* exceptionally with that exception
882	+	*/
883	+	public void testExceptionally_exceptionalCompletionActionFailed() {
884	+	for (boolean createIncomplete : new boolean[] { true, false })
885	+	{
886	+	final AtomicInteger a = new AtomicInteger(0);
887	+	final CFException ex1 = new CFException();
888	+	final CFException ex2 = new CFException();
889		final CompletableFuture<Integer> f = new CompletableFuture<>();
890	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
891	<	final Noop r = new Noop();
892	<
893	<	g.complete(v2);
894	<	f.complete(v1);
895	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
896	<
897	<	checkCompletedNormally(h, null);
898	<	assertTrue(r.ran);
899	<	checkCompletedNormally(f, v1);
900	<	checkCompletedNormally(g, v2);
901	<	}
902	<	}
890	>	if (!createIncomplete) f.completeExceptionally(ex1);
891	>	final CompletableFuture<Integer> g = f.exceptionally
892	>	((Throwable t) -> {
893	>	ExecutionMode.SYNC.checkExecutionMode();
894	>	threadAssertSame(t, ex1);
895	>	a.getAndIncrement();
896	>	throw ex2;
897	>	});
898	>	if (createIncomplete) f.completeExceptionally(ex1);
899	>
900	>	checkCompletedWithWrappedException(g, ex2);
901	>	checkCompletedExceptionally(f, ex1);
902	>	assertEquals(1, a.get());
903	>	}}
904
905	<	public void testRunAfterBoth_normalCompletion4() {
905	>	/**
906	>	* whenComplete action executes on normal completion, propagating
907	>	* source result.
908	>	*/
909	>	public void testWhenComplete_normalCompletion() {
910		for (ExecutionMode m : ExecutionMode.values())
911	+	for (boolean createIncomplete : new boolean[] { true, false })
912		for (Integer v1 : new Integer[] { 1, null })
913	<	for (Integer v2 : new Integer[] { 2, null }) {
914	<
913	>	{
914	>	final AtomicInteger a = new AtomicInteger(0);
915		final CompletableFuture<Integer> f = new CompletableFuture<>();
916	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
917	<	final Noop r = new Noop();
916	>	if (!createIncomplete) assertTrue(f.complete(v1));
917	>	final CompletableFuture<Integer> g = m.whenComplete
918	>	(f,
919	>	(Integer result, Throwable t) -> {
920	>	m.checkExecutionMode();
921	>	threadAssertSame(result, v1);
922	>	threadAssertNull(t);
923	>	a.getAndIncrement();
924	>	});
925	>	if (createIncomplete) assertTrue(f.complete(v1));
926
927	<	f.complete(v1);
1057	<	g.complete(v2);
1058	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1059	<
1060	<	checkCompletedNormally(h, null);
1061	<	assertTrue(r.ran);
927	>	checkCompletedNormally(g, v1);
928		checkCompletedNormally(f, v1);
929	<	checkCompletedNormally(g, v2);
930	<	}
1065	<	}
929	>	assertEquals(1, a.get());
930	>	}}
931
932		/**
933	<	* runAfterBoth result completes exceptionally after exceptional
934	<	* completion of either source
933	>	* whenComplete action executes on exceptional completion, propagating
934	>	* source result.
935		*/
936	<	public void testRunAfterBoth_exceptionalCompletion1() {
936	>	public void testWhenComplete_exceptionalCompletion() {
937		for (ExecutionMode m : ExecutionMode.values())
938	<	for (Integer v1 : new Integer[] { 1, null }) {
939	<
940	<	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);
938	>	for (boolean createIncomplete : new boolean[] { true, false })
939	>	{
940	>	final AtomicInteger a = new AtomicInteger(0);
941		final CFException ex = new CFException();
942	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
943	+	if (!createIncomplete) f.completeExceptionally(ex);
944	+	final CompletableFuture<Integer> g = m.whenComplete
945	+	(f,
946	+	(Integer result, Throwable t) -> {
947	+	m.checkExecutionMode();
948	+	threadAssertNull(result);
949	+	threadAssertSame(t, ex);
950	+	a.getAndIncrement();
951	+	});
952	+	if (createIncomplete) f.completeExceptionally(ex);
953	+
954	+	checkCompletedWithWrappedException(g, ex);
955	+	checkCompletedExceptionally(f, ex);
956	+	assertEquals(1, a.get());
957	+	}}
958
959	<	f.completeExceptionally(ex);
960	<	checkIncomplete(h);
961	<	g.complete(v1);
962	<
963	<	checkCompletedWithWrappedCFException(h, ex);
1086	<	checkCompletedWithWrappedCFException(f, ex);
1087	<	assertFalse(r.ran);
1088	<	checkCompletedNormally(g, v1);
1089	<	}
1090	<	}
1091	<
1092	<	public void testRunAfterBoth_exceptionalCompletion2() {
959	>	/**
960	>	* whenComplete action executes on cancelled source, propagating
961	>	* CancellationException.
962	>	*/
963	>	public void testWhenComplete_sourceCancelled() {
964		for (ExecutionMode m : ExecutionMode.values())
965	<	for (Integer v1 : new Integer[] { 1, null }) {
966	<
965	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
966	>	for (boolean createIncomplete : new boolean[] { true, false })
967	>	{
968	>	final AtomicInteger a = new AtomicInteger(0);
969		final CompletableFuture<Integer> f = new CompletableFuture<>();
970	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
971	<	final Noop r = new Noop();
972	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
973	<	final CFException ex = new CFException();
970	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
971	>	final CompletableFuture<Integer> g = m.whenComplete
972	>	(f,
973	>	(Integer result, Throwable t) -> {
974	>	m.checkExecutionMode();
975	>	threadAssertNull(result);
976	>	threadAssertTrue(t instanceof CancellationException);
977	>	a.getAndIncrement();
978	>	});
979	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
980
981	<	g.completeExceptionally(ex);
982	<	checkIncomplete(h);
983	<	f.complete(v1);
984	<
1106	<	checkCompletedWithWrappedCFException(h, ex);
1107	<	checkCompletedWithWrappedCFException(g, ex);
1108	<	assertFalse(r.ran);
1109	<	checkCompletedNormally(f, v1);
1110	<	}
1111	<	}
981	>	checkCompletedWithWrappedCancellationException(g);
982	>	checkCancelled(f);
983	>	assertEquals(1, a.get());
984	>	}}
985
986	<	public void testRunAfterBoth_exceptionalCompletion3() {
986	>	/**
987	>	* If a whenComplete action throws an exception when triggered by
988	>	* a normal completion, it completes exceptionally
989	>	*/
990	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
991	>	for (boolean createIncomplete : new boolean[] { true, false })
992		for (ExecutionMode m : ExecutionMode.values())
993	<	for (Integer v1 : new Integer[] { 1, null }) {
994	<
995	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1118	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1119	<	final Noop r = new Noop();
993	>	for (Integer v1 : new Integer[] { 1, null })
994	>	{
995	>	final AtomicInteger a = new AtomicInteger(0);
996		final CFException ex = new CFException();
997	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
998	+	if (!createIncomplete) assertTrue(f.complete(v1));
999	+	final CompletableFuture<Integer> g = m.whenComplete
1000	+	(f,
1001	+	(Integer result, Throwable t) -> {
1002	+	m.checkExecutionMode();
1003	+	threadAssertSame(result, v1);
1004	+	threadAssertNull(t);
1005	+	a.getAndIncrement();
1006	+	throw ex;
1007	+	});
1008	+	if (createIncomplete) assertTrue(f.complete(v1));
1009
1010	<	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);
1010	>	checkCompletedWithWrappedException(g, ex);
1011		checkCompletedNormally(f, v1);
1012	<	}
1013	<	}
1012	>	assertEquals(1, a.get());
1013	>	}}
1014
1015	<	public void testRunAfterBoth_exceptionalCompletion4() {
1015	>	/**
1016	>	* If a whenComplete action throws an exception when triggered by
1017	>	* a source completion that also throws an exception, the source
1018	>	* exception takes precedence (unlike handle)
1019	>	*/
1020	>	public void testWhenComplete_sourceFailedActionFailed() {
1021	>	for (boolean createIncomplete : new boolean[] { true, false })
1022		for (ExecutionMode m : ExecutionMode.values())
1023	<	for (Integer v1 : new Integer[] { 1, null }) {
1024	<
1023	>	{
1024	>	final AtomicInteger a = new AtomicInteger(0);
1025	>	final CFException ex1 = new CFException();
1026	>	final CFException ex2 = new CFException();
1027		final CompletableFuture<Integer> f = new CompletableFuture<>();
1138	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1139	–	final Noop r = new Noop();
1140	–	final CFException ex = new CFException();
1028
1029	<	f.completeExceptionally(ex);
1030	<	g.complete(v1);
1031	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1032	<
1033	<	checkCompletedWithWrappedCFException(h, ex);
1034	<	checkCompletedWithWrappedCFException(f, ex);
1035	<	assertFalse(r.ran);
1036	<	checkCompletedNormally(g, v1);
1037	<	}
1038	<	}
1029	>	if (!createIncomplete) f.completeExceptionally(ex1);
1030	>	final CompletableFuture<Integer> g = m.whenComplete
1031	>	(f,
1032	>	(Integer result, Throwable t) -> {
1033	>	m.checkExecutionMode();
1034	>	threadAssertSame(t, ex1);
1035	>	threadAssertNull(result);
1036	>	a.getAndIncrement();
1037	>	throw ex2;
1038	>	});
1039	>	if (createIncomplete) f.completeExceptionally(ex1);
1040	>
1041	>	checkCompletedWithWrappedException(g, ex1);
1042	>	checkCompletedExceptionally(f, ex1);
1043	>	assertEquals(1, ex1.getSuppressed().length);
1044	>	assertSame(ex2, ex1.getSuppressed()[0]);
1045	>	assertEquals(1, a.get());
1046	>	}}
1047
1048		/**
1049	<	* runAfterBoth result completes exceptionally if action does
1049	>	* handle action completes normally with function value on normal
1050	>	* completion of source
1051		*/
1052	<	public void testRunAfterBoth_actionFailed1() {
1052	>	public void testHandle_normalCompletion() {
1053		for (ExecutionMode m : ExecutionMode.values())
1054	+	for (boolean createIncomplete : new boolean[] { true, false })
1055		for (Integer v1 : new Integer[] { 1, null })
1056	<	for (Integer v2 : new Integer[] { 2, null }) {
1160	<
1056	>	{
1057		final CompletableFuture<Integer> f = new CompletableFuture<>();
1058	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1059	<	final FailingNoop r = new FailingNoop();
1060	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1058	>	final AtomicInteger a = new AtomicInteger(0);
1059	>	if (!createIncomplete) assertTrue(f.complete(v1));
1060	>	final CompletableFuture<Integer> g = m.handle
1061	>	(f,
1062	>	(Integer result, Throwable t) -> {
1063	>	m.checkExecutionMode();
1064	>	threadAssertSame(result, v1);
1065	>	threadAssertNull(t);
1066	>	a.getAndIncrement();
1067	>	return inc(v1);
1068	>	});
1069	>	if (createIncomplete) assertTrue(f.complete(v1));
1070
1071	<	f.complete(v1);
1167	<	checkIncomplete(h);
1168	<	g.complete(v2);
1169	<
1170	<	checkCompletedWithWrappedCFException(h);
1071	>	checkCompletedNormally(g, inc(v1));
1072		checkCompletedNormally(f, v1);
1073	<	checkCompletedNormally(g, v2);
1074	<	}
1174	<	}
1073	>	assertEquals(1, a.get());
1074	>	}}
1075
1076	<	public void testRunAfterBoth_actionFailed2() {
1076	>	/**
1077	>	* handle action completes normally with function value on
1078	>	* exceptional completion of source
1079	>	*/
1080	>	public void testHandle_exceptionalCompletion() {
1081		for (ExecutionMode m : ExecutionMode.values())
1082	+	for (boolean createIncomplete : new boolean[] { true, false })
1083		for (Integer v1 : new Integer[] { 1, null })
1084	<	for (Integer v2 : new Integer[] { 2, null }) {
1180	<
1084	>	{
1085		final CompletableFuture<Integer> f = new CompletableFuture<>();
1086	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1087	<	final FailingNoop r = new FailingNoop();
1088	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1089	<
1090	<	g.complete(v2);
1091	<	checkIncomplete(h);
1092	<	f.complete(v1);
1086	>	final AtomicInteger a = new AtomicInteger(0);
1087	>	final CFException ex = new CFException();
1088	>	if (!createIncomplete) f.completeExceptionally(ex);
1089	>	final CompletableFuture<Integer> g = m.handle
1090	>	(f,
1091	>	(Integer result, Throwable t) -> {
1092	>	m.checkExecutionMode();
1093	>	threadAssertNull(result);
1094	>	threadAssertSame(t, ex);
1095	>	a.getAndIncrement();
1096	>	return v1;
1097	>	});
1098	>	if (createIncomplete) f.completeExceptionally(ex);
1099
1100	<	checkCompletedWithWrappedCFException(h);
1101	<	checkCompletedNormally(f, v1);
1102	<	checkCompletedNormally(g, v2);
1103	<	}
1194	<	}
1100	>	checkCompletedNormally(g, v1);
1101	>	checkCompletedExceptionally(f, ex);
1102	>	assertEquals(1, a.get());
1103	>	}}
1104
1105		/**
1106	<	* runAfterBoth result completes exceptionally if either source cancelled
1106	>	* handle action completes normally with function value on
1107	>	* cancelled source
1108		*/
1109	<	public void testRunAfterBoth_sourceCancelled1() {
1109	>	public void testHandle_sourceCancelled() {
1110		for (ExecutionMode m : ExecutionMode.values())
1111		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1112	<	for (Integer v1 : new Integer[] { 1, null }) {
1113	<
1112	>	for (boolean createIncomplete : new boolean[] { true, false })
1113	>	for (Integer v1 : new Integer[] { 1, null })
1114	>	{
1115		final CompletableFuture<Integer> f = new CompletableFuture<>();
1116	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1117	<	final Noop r = new Noop();
1118	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1116	>	final AtomicInteger a = new AtomicInteger(0);
1117	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1118	>	final CompletableFuture<Integer> g = m.handle
1119	>	(f,
1120	>	(Integer result, Throwable t) -> {
1121	>	m.checkExecutionMode();
1122	>	threadAssertNull(result);
1123	>	threadAssertTrue(t instanceof CancellationException);
1124	>	a.getAndIncrement();
1125	>	return v1;
1126	>	});
1127	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1128
1209	–	assertTrue(f.cancel(mayInterruptIfRunning));
1210	–	checkIncomplete(h);
1211	–	g.complete(v1);
1212	–
1213	–	checkCompletedWithWrappedCancellationException(h);
1214	–	checkCancelled(f);
1215	–	assertFalse(r.ran);
1129		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);
1130		checkCancelled(f);
1131	<	assertFalse(r.ran);
1132	<	checkCompletedNormally(g, v1);
1278	<	}
1279	<	}
1131	>	assertEquals(1, a.get());
1132	>	}}
1133
1134		/**
1135	<	* applyToEither result completes normally after normal completion
1136	<	* of either source
1135	>	* If a "handle action" throws an exception when triggered by
1136	>	* a normal completion, it completes exceptionally
1137		*/
1138	<	public void testApplyToEither() {
1139	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1140	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1141	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1142	<	f.complete(one);
1143	<	checkCompletedNormally(g, two);
1144	<	f2.complete(one);
1145	<	checkCompletedNormally(g, two);
1138	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1139	>	for (ExecutionMode m : ExecutionMode.values())
1140	>	for (boolean createIncomplete : new boolean[] { true, false })
1141	>	for (Integer v1 : new Integer[] { 1, null })
1142	>	{
1143	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1144	>	final AtomicInteger a = new AtomicInteger(0);
1145	>	final CFException ex = new CFException();
1146	>	if (!createIncomplete) assertTrue(f.complete(v1));
1147	>	final CompletableFuture<Integer> g = m.handle
1148	>	(f,
1149	>	(Integer result, Throwable t) -> {
1150	>	m.checkExecutionMode();
1151	>	threadAssertSame(result, v1);
1152	>	threadAssertNull(t);
1153	>	a.getAndIncrement();
1154	>	throw ex;
1155	>	});
1156	>	if (createIncomplete) assertTrue(f.complete(v1));
1157
1158	<	f = new CompletableFuture<>();
1159	<	f.complete(one);
1160	<	f2 = new CompletableFuture<>();
1161	<	g = f.applyToEither(f2, inc);
1298	<	checkCompletedNormally(g, two);
1299	<	}
1158	>	checkCompletedWithWrappedException(g, ex);
1159	>	checkCompletedNormally(f, v1);
1160	>	assertEquals(1, a.get());
1161	>	}}
1162
1163		/**
1164	<	* applyToEither result completes exceptionally after exceptional
1165	<	* completion of either source
1164	>	* If a "handle action" throws an exception when triggered by
1165	>	* a source completion that also throws an exception, the action
1166	>	* exception takes precedence (unlike whenComplete)
1167		*/
1168	<	public void testApplyToEither2() {
1169	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1170	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1171	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1172	<	f.completeExceptionally(new CFException());
1173	<	f2.complete(one);
1174	<	checkCompletedWithWrappedCFException(g);
1168	>	public void testHandle_sourceFailedActionFailed() {
1169	>	for (boolean createIncomplete : new boolean[] { true, false })
1170	>	for (ExecutionMode m : ExecutionMode.values())
1171	>	{
1172	>	final AtomicInteger a = new AtomicInteger(0);
1173	>	final CFException ex1 = new CFException();
1174	>	final CFException ex2 = new CFException();
1175	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1176
1177	<	f = new CompletableFuture<>();
1178	<	f2 = new CompletableFuture<>();
1179	<	f2.completeExceptionally(new CFException());
1180	<	g = f.applyToEither(f2, inc);
1181	<	checkCompletedWithWrappedCFException(g);
1182	<	}
1177	>	if (!createIncomplete) f.completeExceptionally(ex1);
1178	>	final CompletableFuture<Integer> g = m.handle
1179	>	(f,
1180	>	(Integer result, Throwable t) -> {
1181	>	m.checkExecutionMode();
1182	>	threadAssertNull(result);
1183	>	threadAssertSame(ex1, t);
1184	>	a.getAndIncrement();
1185	>	throw ex2;
1186	>	});
1187	>	if (createIncomplete) f.completeExceptionally(ex1);
1188	>
1189	>	checkCompletedWithWrappedException(g, ex2);
1190	>	checkCompletedExceptionally(f, ex1);
1191	>	assertEquals(1, a.get());
1192	>	}}
1193
1194		/**
1195	<	* applyToEither result completes exceptionally if action does
1195	>	* runAsync completes after running Runnable
1196		*/
1197	<	public void testApplyToEither3() {
1198	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1199	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1200	<	FailingFunction r = new FailingFunction();
1201	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
1202	<	f2.complete(two);
1203	<	checkCompletedWithWrappedCFException(g);
1204	<	}
1197	>	public void testRunAsync_normalCompletion() {
1198	>	ExecutionMode[] executionModes = {
1199	>	ExecutionMode.ASYNC,
1200	>	ExecutionMode.EXECUTOR,
1201	>	};
1202	>	for (ExecutionMode m : executionModes)
1203	>	{
1204	>	final Noop r = new Noop(m);
1205	>	final CompletableFuture<Void> f = m.runAsync(r);
1206	>	assertNull(f.join());
1207	>	checkCompletedNormally(f, null);
1208	>	r.assertInvoked();
1209	>	}}
1210
1211		/**
1212	<	* applyToEither result completes exceptionally if either source cancelled
1212	>	* failing runAsync completes exceptionally after running Runnable
1213		*/
1214	<	public void testApplyToEither4() {
1215	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1216	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1217	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1218	<	assertTrue(f.cancel(true));
1219	<	checkCompletedWithWrappedCancellationException(g);
1220	<	f = new CompletableFuture<>();
1221	<	f2 = new CompletableFuture<>();
1222	<	assertTrue(f2.cancel(true));
1223	<	checkCompletedWithWrappedCancellationException(g);
1224	<	}
1214	>	public void testRunAsync_exceptionalCompletion() {
1215	>	ExecutionMode[] executionModes = {
1216	>	ExecutionMode.ASYNC,
1217	>	ExecutionMode.EXECUTOR,
1218	>	};
1219	>	for (ExecutionMode m : executionModes)
1220	>	{
1221	>	final FailingRunnable r = new FailingRunnable(m);
1222	>	final CompletableFuture<Void> f = m.runAsync(r);
1223	>	checkCompletedWithWrappedCFException(f);
1224	>	r.assertInvoked();
1225	>	}}
1226
1227		/**
1228	<	* acceptEither result completes normally after normal completion
1349	<	* of either source
1228	>	* supplyAsync completes with result of supplier
1229		*/
1230	<	public void testAcceptEither() {
1231	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1232	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1233	<	IncAction r = new IncAction();
1234	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1235	<	f.complete(one);
1236	<	checkCompletedNormally(g, null);
1237	<	f2.complete(one);
1238	<	checkCompletedNormally(g, null);
1239	<	assertEquals(r.value, 2);
1240	<
1241	<	r = new IncAction();
1242	<	f = new CompletableFuture<>();
1243	<	f.complete(one);
1365	<	f2 = new CompletableFuture<>();
1366	<	g = f.acceptEither(f2, r);
1367	<	checkCompletedNormally(g, null);
1368	<	assertEquals(r.value, 2);
1369	<	}
1230	>	public void testSupplyAsync_normalCompletion() {
1231	>	ExecutionMode[] executionModes = {
1232	>	ExecutionMode.ASYNC,
1233	>	ExecutionMode.EXECUTOR,
1234	>	};
1235	>	for (ExecutionMode m : executionModes)
1236	>	for (Integer v1 : new Integer[] { 1, null })
1237	>	{
1238	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1239	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1240	>	assertSame(v1, f.join());
1241	>	checkCompletedNormally(f, v1);
1242	>	r.assertInvoked();
1243	>	}}
1244
1245		/**
1246	<	* acceptEither result completes exceptionally after exceptional
1373	<	* completion of either source
1246	>	* Failing supplyAsync completes exceptionally
1247		*/
1248	<	public void testAcceptEither2() {
1249	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1250	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1251	<	IncAction r = new IncAction();
1252	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1253	<	f.completeExceptionally(new CFException());
1254	<	f2.complete(one);
1255	<	checkCompletedWithWrappedCFException(g);
1248	>	public void testSupplyAsync_exceptionalCompletion() {
1249	>	ExecutionMode[] executionModes = {
1250	>	ExecutionMode.ASYNC,
1251	>	ExecutionMode.EXECUTOR,
1252	>	};
1253	>	for (ExecutionMode m : executionModes)
1254	>	{
1255	>	FailingSupplier r = new FailingSupplier(m);
1256	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1257	>	checkCompletedWithWrappedCFException(f);
1258	>	r.assertInvoked();
1259	>	}}
1260
1261	<	r = new IncAction();
1385	<	f = new CompletableFuture<>();
1386	<	f2 = new CompletableFuture<>();
1387	<	f2.completeExceptionally(new CFException());
1388	<	g = f.acceptEither(f2, r);
1389	<	checkCompletedWithWrappedCFException(g);
1390	<	}
1261	>	// seq completion methods
1262
1263		/**
1264	<	* acceptEither result completes exceptionally if action does
1264	>	* thenRun result completes normally after normal completion of source
1265		*/
1266	<	public void testAcceptEither3() {
1267	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1268	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1269	<	FailingConsumer r = new FailingConsumer();
1270	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1271	<	f2.complete(two);
1272	<	checkCompletedWithWrappedCFException(g);
1402	<	}
1266	>	public void testThenRun_normalCompletion() {
1267	>	for (ExecutionMode m : ExecutionMode.values())
1268	>	for (Integer v1 : new Integer[] { 1, null })
1269	>	{
1270	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1271	>	final Noop[] rs = new Noop[6];
1272	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1273
1274	<	/**
1275	<	* acceptEither result completes exceptionally if either source cancelled
1276	<	*/
1277	<	public void testAcceptEither4() {
1278	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1279	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1280	<	IncAction r = new IncAction();
1281	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1282	<	assertTrue(f.cancel(true));
1283	<	checkCompletedWithWrappedCancellationException(g);
1284	<	f = new CompletableFuture<>();
1285	<	f2 = new CompletableFuture<>();
1286	<	assertTrue(f2.cancel(true));
1287	<	checkCompletedWithWrappedCancellationException(g);
1288	<	}
1274	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1275	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1276	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1277	>	checkIncomplete(h0);
1278	>	checkIncomplete(h1);
1279	>	checkIncomplete(h2);
1280	>	assertTrue(f.complete(v1));
1281	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1282	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1283	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1284	>
1285	>	checkCompletedNormally(h0, null);
1286	>	checkCompletedNormally(h1, null);
1287	>	checkCompletedNormally(h2, null);
1288	>	checkCompletedNormally(h3, null);
1289	>	checkCompletedNormally(h4, null);
1290	>	checkCompletedNormally(h5, null);
1291	>	checkCompletedNormally(f, v1);
1292	>	for (Noop r : rs) r.assertInvoked();
1293	>	}}
1294
1295		/**
1296	<	* runAfterEither result completes normally after normal completion
1297	<	* of either source
1296	>	* thenRun result completes exceptionally after exceptional
1297	>	* completion of source
1298		*/
1299	<	public void testRunAfterEither() {
1300	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1301	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1302	<	Noop r = new Noop();
1303	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1304	<	f.complete(one);
1305	<	checkCompletedNormally(g, null);
1431	<	f2.complete(one);
1432	<	checkCompletedNormally(g, null);
1433	<	assertTrue(r.ran);
1299	>	public void testThenRun_exceptionalCompletion() {
1300	>	for (ExecutionMode m : ExecutionMode.values())
1301	>	{
1302	>	final CFException ex = new CFException();
1303	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1304	>	final Noop[] rs = new Noop[6];
1305	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1306
1307	<	r = new Noop();
1308	<	f = new CompletableFuture<>();
1309	<	f.complete(one);
1310	<	f2 = new CompletableFuture<>();
1311	<	g = f.runAfterEither(f2, r);
1312	<	checkCompletedNormally(g, null);
1313	<	assertTrue(r.ran);
1314	<	}
1307	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1308	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1309	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1310	>	checkIncomplete(h0);
1311	>	checkIncomplete(h1);
1312	>	checkIncomplete(h2);
1313	>	assertTrue(f.completeExceptionally(ex));
1314	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1315	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1316	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1317	>
1318	>	checkCompletedWithWrappedException(h0, ex);
1319	>	checkCompletedWithWrappedException(h1, ex);
1320	>	checkCompletedWithWrappedException(h2, ex);
1321	>	checkCompletedWithWrappedException(h3, ex);
1322	>	checkCompletedWithWrappedException(h4, ex);
1323	>	checkCompletedWithWrappedException(h5, ex);
1324	>	checkCompletedExceptionally(f, ex);
1325	>	for (Noop r : rs) r.assertNotInvoked();
1326	>	}}
1327
1328		/**
1329	<	* runAfterEither result completes exceptionally after exceptional
1446	<	* completion of either source
1329	>	* thenRun result completes exceptionally if source cancelled
1330		*/
1331	<	public void testRunAfterEither2() {
1332	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1333	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1334	<	Noop r = new Noop();
1335	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1336	<	f.completeExceptionally(new CFException());
1337	<	f2.complete(one);
1455	<	checkCompletedWithWrappedCFException(g);
1331	>	public void testThenRun_sourceCancelled() {
1332	>	for (ExecutionMode m : ExecutionMode.values())
1333	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1334	>	{
1335	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1336	>	final Noop[] rs = new Noop[6];
1337	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1338
1339	<	r = new Noop();
1340	<	f = new CompletableFuture<>();
1341	<	f2 = new CompletableFuture<>();
1342	<	f2.completeExceptionally(new CFException());
1343	<	g = f.runAfterEither(f2, r);
1344	<	checkCompletedWithWrappedCFException(g);
1345	<	}
1339	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1340	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1341	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1342	>	checkIncomplete(h0);
1343	>	checkIncomplete(h1);
1344	>	checkIncomplete(h2);
1345	>	assertTrue(f.cancel(mayInterruptIfRunning));
1346	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1347	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1348	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1349	>
1350	>	checkCompletedWithWrappedCancellationException(h0);
1351	>	checkCompletedWithWrappedCancellationException(h1);
1352	>	checkCompletedWithWrappedCancellationException(h2);
1353	>	checkCompletedWithWrappedCancellationException(h3);
1354	>	checkCompletedWithWrappedCancellationException(h4);
1355	>	checkCompletedWithWrappedCancellationException(h5);
1356	>	checkCancelled(f);
1357	>	for (Noop r : rs) r.assertNotInvoked();
1358	>	}}
1359
1360		/**
1361	<	* runAfterEither result completes exceptionally if action does
1361	>	* thenRun result completes exceptionally if action does
1362		*/
1363	<	public void testRunAfterEither3() {
1364	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1365	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1366	<	FailingNoop r = new FailingNoop();
1367	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1368	<	f2.complete(two);
1369	<	checkCompletedWithWrappedCFException(g);
1475	<	}
1363	>	public void testThenRun_actionFailed() {
1364	>	for (ExecutionMode m : ExecutionMode.values())
1365	>	for (Integer v1 : new Integer[] { 1, null })
1366	>	{
1367	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1368	>	final FailingRunnable[] rs = new FailingRunnable[6];
1369	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1370
1371	<	/**
1372	<	* runAfterEither result completes exceptionally if either source cancelled
1373	<	*/
1374	<	public void testRunAfterEither4() {
1375	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1376	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1377	<	Noop r = new Noop();
1378	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1379	<	assertTrue(f.cancel(true));
1380	<	checkCompletedWithWrappedCancellationException(g);
1381	<	f = new CompletableFuture<>();
1382	<	f2 = new CompletableFuture<>();
1383	<	assertTrue(f2.cancel(true));
1384	<	checkCompletedWithWrappedCancellationException(g);
1385	<	}
1371	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1372	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1373	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1374	>	assertTrue(f.complete(v1));
1375	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1376	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1377	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1378	>
1379	>	checkCompletedWithWrappedCFException(h0);
1380	>	checkCompletedWithWrappedCFException(h1);
1381	>	checkCompletedWithWrappedCFException(h2);
1382	>	checkCompletedWithWrappedCFException(h3);
1383	>	checkCompletedWithWrappedCFException(h4);
1384	>	checkCompletedWithWrappedCFException(h5);
1385	>	checkCompletedNormally(f, v1);
1386	>	}}
1387
1388		/**
1389	<	* thenCompose result completes normally after normal completion of source
1389	>	* thenApply result completes normally after normal completion of source
1390		*/
1391	<	public void testThenCompose() {
1392	<	CompletableFuture<Integer> f, g;
1393	<	CompletableFutureInc r;
1394	<
1395	<	f = new CompletableFuture<>();
1396	<	g = f.thenCompose(r = new CompletableFutureInc());
1397	<	f.complete(one);
1503	<	checkCompletedNormally(g, two);
1504	<	assertTrue(r.ran);
1391	>	public void testThenApply_normalCompletion() {
1392	>	for (ExecutionMode m : ExecutionMode.values())
1393	>	for (Integer v1 : new Integer[] { 1, null })
1394	>	{
1395	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1396	>	final IncFunction[] rs = new IncFunction[4];
1397	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1398
1399	<	f = new CompletableFuture<>();
1400	<	f.complete(one);
1401	<	g = f.thenCompose(r = new CompletableFutureInc());
1402	<	checkCompletedNormally(g, two);
1403	<	assertTrue(r.ran);
1404	<	}
1399	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1400	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1401	>	checkIncomplete(h0);
1402	>	checkIncomplete(h1);
1403	>	assertTrue(f.complete(v1));
1404	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1405	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1406	>
1407	>	checkCompletedNormally(h0, inc(v1));
1408	>	checkCompletedNormally(h1, inc(v1));
1409	>	checkCompletedNormally(h2, inc(v1));
1410	>	checkCompletedNormally(h3, inc(v1));
1411	>	checkCompletedNormally(f, v1);
1412	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1413	>	}}
1414
1415		/**
1416	<	* thenCompose result completes exceptionally after exceptional
1416	>	* thenApply result completes exceptionally after exceptional
1417		* completion of source
1418		*/
1419	<	public void testThenCompose2() {
1420	<	CompletableFuture<Integer> f, g;
1421	<	CompletableFutureInc r;
1422	<
1423	<	f = new CompletableFuture<>();
1424	<	g = f.thenCompose(r = new CompletableFutureInc());
1425	<	f.completeExceptionally(new CFException());
1524	<	checkCompletedWithWrappedCFException(g);
1525	<
1526	<	f = new CompletableFuture<>();
1527	<	f.completeExceptionally(new CFException());
1528	<	g = f.thenCompose(r = new CompletableFutureInc());
1529	<	checkCompletedWithWrappedCFException(g);
1530	<	}
1531	<
1532	<	/**
1533	<	* thenCompose result completes exceptionally if action does
1534	<	*/
1535	<	public void testThenCompose3() {
1536	<	CompletableFuture<Integer> f, g;
1537	<	FailingCompletableFutureFunction r;
1538	<
1539	<	f = new CompletableFuture<>();
1540	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1541	<	f.complete(one);
1542	<	checkCompletedWithWrappedCFException(g);
1419	>	public void testThenApply_exceptionalCompletion() {
1420	>	for (ExecutionMode m : ExecutionMode.values())
1421	>	{
1422	>	final CFException ex = new CFException();
1423	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1424	>	final IncFunction[] rs = new IncFunction[4];
1425	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1426
1427	<	f = new CompletableFuture<>();
1428	<	f.complete(one);
1429	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1430	<	checkCompletedWithWrappedCFException(g);
1431	<	}
1427	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1428	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1429	>	assertTrue(f.completeExceptionally(ex));
1430	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1431	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1432	>
1433	>	checkCompletedWithWrappedException(h0, ex);
1434	>	checkCompletedWithWrappedException(h1, ex);
1435	>	checkCompletedWithWrappedException(h2, ex);
1436	>	checkCompletedWithWrappedException(h3, ex);
1437	>	checkCompletedExceptionally(f, ex);
1438	>	for (IncFunction r : rs) r.assertNotInvoked();
1439	>	}}
1440
1441		/**
1442	<	* thenCompose result completes exceptionally if source cancelled
1442	>	* thenApply result completes exceptionally if source cancelled
1443		*/
1444	<	public void testThenCompose4() {
1445	<	CompletableFuture<Integer> f, g;
1446	<	CompletableFutureInc r;
1447	<
1448	<	f = new CompletableFuture<>();
1449	<	g = f.thenCompose(r = new CompletableFutureInc());
1450	<	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	<	}
1567	<
1568	<	// asyncs
1444	>	public void testThenApply_sourceCancelled() {
1445	>	for (ExecutionMode m : ExecutionMode.values())
1446	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1447	>	{
1448	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1449	>	final IncFunction[] rs = new IncFunction[4];
1450	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1451
1452	<	/**
1453	<	* thenRunAsync result completes normally after normal completion of source
1454	<	*/
1455	<	public void testThenRunAsync() {
1456	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1575	<	Noop r = new Noop();
1576	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1577	<	f.complete(null);
1578	<	checkCompletedNormally(g, null);
1452	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1453	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1454	>	assertTrue(f.cancel(mayInterruptIfRunning));
1455	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1456	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1457
1458	<	// reordered version
1459	<	f = new CompletableFuture<>();
1460	<	f.complete(null);
1461	<	r = new Noop();
1462	<	g = f.thenRunAsync(r);
1463	<	checkCompletedNormally(g, null);
1464	<	}
1458	>	checkCompletedWithWrappedCancellationException(h0);
1459	>	checkCompletedWithWrappedCancellationException(h1);
1460	>	checkCompletedWithWrappedCancellationException(h2);
1461	>	checkCompletedWithWrappedCancellationException(h3);
1462	>	checkCancelled(f);
1463	>	for (IncFunction r : rs) r.assertNotInvoked();
1464	>	}}
1465
1466		/**
1467	<	* thenRunAsync result completes exceptionally after exceptional
1590	<	* completion of source
1467	>	* thenApply result completes exceptionally if action does
1468		*/
1469	<	public void testThenRunAsync2() {
1470	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1471	<	Noop r = new Noop();
1472	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1473	<	f.completeExceptionally(new CFException());
1474	<	try {
1475	<	g.join();
1599	<	shouldThrow();
1600	<	} catch (CompletionException success) {}
1601	<	checkCompletedWithWrappedCFException(g);
1602	<	}
1469	>	public void testThenApply_actionFailed() {
1470	>	for (ExecutionMode m : ExecutionMode.values())
1471	>	for (Integer v1 : new Integer[] { 1, null })
1472	>	{
1473	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1474	>	final FailingFunction[] rs = new FailingFunction[4];
1475	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1476
1477	<	/**
1478	<	* thenRunAsync result completes exceptionally if action does
1479	<	*/
1480	<	public void testThenRunAsync3() {
1481	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1482	<	FailingNoop r = new FailingNoop();
1483	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1484	<	f.complete(null);
1485	<	checkCompletedWithWrappedCFException(g);
1486	<	}
1477	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1478	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1479	>	assertTrue(f.complete(v1));
1480	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1481	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1482	>
1483	>	checkCompletedWithWrappedCFException(h0);
1484	>	checkCompletedWithWrappedCFException(h1);
1485	>	checkCompletedWithWrappedCFException(h2);
1486	>	checkCompletedWithWrappedCFException(h3);
1487	>	checkCompletedNormally(f, v1);
1488	>	}}
1489
1490		/**
1491	<	* thenRunAsync result completes exceptionally if source cancelled
1491	>	* thenAccept result completes normally after normal completion of source
1492		*/
1493	<	public void testThenRunAsync4() {
1494	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1495	<	Noop r = new Noop();
1496	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1497	<	assertTrue(f.cancel(true));
1498	<	checkCompletedWithWrappedCancellationException(g);
1499	<	}
1493	>	public void testThenAccept_normalCompletion() {
1494	>	for (ExecutionMode m : ExecutionMode.values())
1495	>	for (Integer v1 : new Integer[] { 1, null })
1496	>	{
1497	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1498	>	final NoopConsumer[] rs = new NoopConsumer[4];
1499	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1500
1501	<	/**
1502	<	* thenApplyAsync result completes normally after normal completion of source
1503	<	*/
1504	<	public void testThenApplyAsync() {
1505	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1506	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1507	<	f.complete(one);
1508	<	checkCompletedNormally(g, two);
1509	<	}
1501	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1502	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1503	>	checkIncomplete(h0);
1504	>	checkIncomplete(h1);
1505	>	assertTrue(f.complete(v1));
1506	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1507	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1508	>
1509	>	checkCompletedNormally(h0, null);
1510	>	checkCompletedNormally(h1, null);
1511	>	checkCompletedNormally(h2, null);
1512	>	checkCompletedNormally(h3, null);
1513	>	checkCompletedNormally(f, v1);
1514	>	for (NoopConsumer r : rs) r.assertValue(v1);
1515	>	}}
1516
1517		/**
1518	<	* thenApplyAsync result completes exceptionally after exceptional
1518	>	* thenAccept result completes exceptionally after exceptional
1519		* completion of source
1520		*/
1521	<	public void testThenApplyAsync2() {
1522	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1523	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1524	<	f.completeExceptionally(new CFException());
1525	<	checkCompletedWithWrappedCFException(g);
1526	<	}
1521	>	public void testThenAccept_exceptionalCompletion() {
1522	>	for (ExecutionMode m : ExecutionMode.values())
1523	>	{
1524	>	final CFException ex = new CFException();
1525	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1526	>	final NoopConsumer[] rs = new NoopConsumer[4];
1527	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1528
1529	<	/**
1530	<	* thenApplyAsync result completes exceptionally if action does
1531	<	*/
1532	<	public void testThenApplyAsync3() {
1533	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1534	<	FailingFunction r = new FailingFunction();
1535	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1536	<	f.complete(null);
1537	<	checkCompletedWithWrappedCFException(g);
1538	<	}
1529	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1530	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1531	>	assertTrue(f.completeExceptionally(ex));
1532	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1533	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1534	>
1535	>	checkCompletedWithWrappedException(h0, ex);
1536	>	checkCompletedWithWrappedException(h1, ex);
1537	>	checkCompletedWithWrappedException(h2, ex);
1538	>	checkCompletedWithWrappedException(h3, ex);
1539	>	checkCompletedExceptionally(f, ex);
1540	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1541	>	}}
1542
1543		/**
1544	<	* thenApplyAsync result completes exceptionally if source cancelled
1544	>	* thenAccept result completes exceptionally if source cancelled
1545		*/
1546	<	public void testThenApplyAsync4() {
1547	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1548	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1549	<	assertTrue(f.cancel(true));
1550	<	checkCompletedWithWrappedCancellationException(g);
1551	<	}
1546	>	public void testThenAccept_sourceCancelled() {
1547	>	for (ExecutionMode m : ExecutionMode.values())
1548	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1549	>	{
1550	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1551	>	final NoopConsumer[] rs = new NoopConsumer[4];
1552	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1553
1554	<	/**
1555	<	* thenAcceptAsync result completes normally after normal
1556	<	* completion of source
1557	<	*/
1558	<	public void testThenAcceptAsync() {
1673	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1674	<	IncAction r = new IncAction();
1675	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1676	<	f.complete(one);
1677	<	checkCompletedNormally(g, null);
1678	<	assertEquals(r.value, 2);
1679	<	}
1554	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1555	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1556	>	assertTrue(f.cancel(mayInterruptIfRunning));
1557	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1558	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1559
1560	<	/**
1561	<	* thenAcceptAsync result completes exceptionally after exceptional
1562	<	* completion of source
1563	<	*/
1564	<	public void testThenAcceptAsync2() {
1565	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1566	<	IncAction r = new IncAction();
1688	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1689	<	f.completeExceptionally(new CFException());
1690	<	checkCompletedWithWrappedCFException(g);
1691	<	}
1560	>	checkCompletedWithWrappedCancellationException(h0);
1561	>	checkCompletedWithWrappedCancellationException(h1);
1562	>	checkCompletedWithWrappedCancellationException(h2);
1563	>	checkCompletedWithWrappedCancellationException(h3);
1564	>	checkCancelled(f);
1565	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1566	>	}}
1567
1568		/**
1569	<	* thenAcceptAsync result completes exceptionally if action does
1569	>	* thenAccept result completes exceptionally if action does
1570		*/
1571	<	public void testThenAcceptAsync3() {
1572	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1573	<	FailingConsumer r = new FailingConsumer();
1574	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1575	<	f.complete(null);
1576	<	checkCompletedWithWrappedCFException(g);
1577	<	}
1571	>	public void testThenAccept_actionFailed() {
1572	>	for (ExecutionMode m : ExecutionMode.values())
1573	>	for (Integer v1 : new Integer[] { 1, null })
1574	>	{
1575	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1576	>	final FailingConsumer[] rs = new FailingConsumer[4];
1577	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1578
1579	<	/**
1580	<	* thenAcceptAsync result completes exceptionally if source cancelled
1581	<	*/
1582	<	public void testThenAcceptAsync4() {
1583	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1584	<	IncAction r = new IncAction();
1585	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1586	<	assertTrue(f.cancel(true));
1587	<	checkCompletedWithWrappedCancellationException(g);
1588	<	}
1579	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1580	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1581	>	assertTrue(f.complete(v1));
1582	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1583	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1584	>
1585	>	checkCompletedWithWrappedCFException(h0);
1586	>	checkCompletedWithWrappedCFException(h1);
1587	>	checkCompletedWithWrappedCFException(h2);
1588	>	checkCompletedWithWrappedCFException(h3);
1589	>	checkCompletedNormally(f, v1);
1590	>	}}
1591
1592		/**
1593	<	* thenCombineAsync result completes normally after normal
1594	<	* completion of sources
1593	>	* thenCombine result completes normally after normal completion
1594	>	* of sources
1595		*/
1596	<	public void testThenCombineAsync() {
1597	<	CompletableFuture<Integer> f, g, h;
1598	<
1599	<	f = new CompletableFuture<>();
1600	<	g = new CompletableFuture<>();
1601	<	h = f.thenCombineAsync(g, subtract);
1602	<	f.complete(3);
1603	<	checkIncomplete(h);
1604	<	g.complete(1);
1605	<	checkCompletedNormally(h, 2);
1596	>	public void testThenCombine_normalCompletion() {
1597	>	for (ExecutionMode m : ExecutionMode.values())
1598	>	for (boolean fFirst : new boolean[] { true, false })
1599	>	for (Integer v1 : new Integer[] { 1, null })
1600	>	for (Integer v2 : new Integer[] { 2, null })
1601	>	{
1602	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1603	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1604	>	final SubtractFunction[] rs = new SubtractFunction[6];
1605	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1606
1607	<	f = new CompletableFuture<>();
1608	<	g = new CompletableFuture<>();
1609	<	h = f.thenCombineAsync(g, subtract);
1610	<	g.complete(1);
1611	<	checkIncomplete(h);
1612	<	f.complete(3);
1613	<	checkCompletedNormally(h, 2);
1607	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1608	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1609	>	final Integer w1 =  fFirst ? v1 : v2;
1610	>	final Integer w2 = !fFirst ? v1 : v2;
1611	>
1612	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1613	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1614	>	assertTrue(fst.complete(w1));
1615	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1616	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1617	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1618	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1619	>	checkCompletedNormally(h1, subtract(w1, w1));
1620	>	checkCompletedNormally(h3, subtract(w1, w1));
1621	>	rs[1].assertValue(subtract(w1, w1));
1622	>	rs[3].assertValue(subtract(w1, w1));
1623	>	assertTrue(snd.complete(w2));
1624	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1625	>
1626	>	checkCompletedNormally(h0, subtract(v1, v2));
1627	>	checkCompletedNormally(h2, subtract(v1, v2));
1628	>	checkCompletedNormally(h4, subtract(v1, v2));
1629	>	rs[0].assertValue(subtract(v1, v2));
1630	>	rs[2].assertValue(subtract(v1, v2));
1631	>	rs[4].assertValue(subtract(v1, v2));
1632
1633	<	f = new CompletableFuture<>();
1634	<	g = new CompletableFuture<>();
1635	<	g.complete(1);
1741	<	f.complete(3);
1742	<	h = f.thenCombineAsync(g, subtract);
1743	<	checkCompletedNormally(h, 2);
1744	<	}
1633	>	checkCompletedNormally(f, v1);
1634	>	checkCompletedNormally(g, v2);
1635	>	}}
1636
1637		/**
1638	<	* thenCombineAsync result completes exceptionally after exceptional
1638	>	* thenCombine result completes exceptionally after exceptional
1639		* completion of either source
1640		*/
1641	<	public void testThenCombineAsync2() {
1642	<	CompletableFuture<Integer> f, g, h;
1643	<
1644	<	f = new CompletableFuture<>();
1645	<	g = new CompletableFuture<>();
1646	<	h = f.thenCombineAsync(g, subtract);
1647	<	f.completeExceptionally(new CFException());
1648	<	checkIncomplete(h);
1649	<	g.complete(1);
1650	<	checkCompletedWithWrappedCFException(h);
1651	<
1652	<	f = new CompletableFuture<>();
1653	<	g = new CompletableFuture<>();
1654	<	h = f.thenCombineAsync(g, subtract);
1655	<	g.completeExceptionally(new CFException());
1656	<	checkIncomplete(h);
1657	<	f.complete(3);
1658	<	checkCompletedWithWrappedCFException(h);
1659	<
1660	<	f = new CompletableFuture<>();
1661	<	g = new CompletableFuture<>();
1662	<	g.completeExceptionally(new CFException());
1663	<	f.complete(3);
1664	<	h = f.thenCombineAsync(g, subtract);
1665	<	checkCompletedWithWrappedCFException(h);
1666	<	}
1667	<
1668	<	/**
1669	<	* thenCombineAsync result completes exceptionally if action does
1670	<	*/
1671	<	public void testThenCombineAsync3() {
1672	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1673	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1674	<	FailingBiFunction r = new FailingBiFunction();
1675	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1676	<	f.complete(one);
1677	<	checkIncomplete(g);
1678	<	assertFalse(r.ran);
1679	<	f2.complete(two);
1789	<	checkCompletedWithWrappedCFException(g);
1790	<	assertTrue(r.ran);
1791	<	}
1792	<
1793	<	/**
1794	<	* thenCombineAsync result completes exceptionally if either source cancelled
1795	<	*/
1796	<	public void testThenCombineAsync4() {
1797	<	CompletableFuture<Integer> f, g, h;
1798	<
1799	<	f = new CompletableFuture<>();
1800	<	g = new CompletableFuture<>();
1801	<	h = f.thenCombineAsync(g, subtract);
1802	<	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);
1821	<
1822	<	f = new CompletableFuture<>();
1823	<	g = new CompletableFuture<>();
1824	<	f.complete(3);
1825	<	assertTrue(g.cancel(true));
1826	<	h = f.thenCombineAsync(g, subtract);
1827	<	checkCompletedWithWrappedCancellationException(h);
1828	<	}
1829	<
1830	<	/**
1831	<	* thenAcceptBothAsync result completes normally after normal
1832	<	* completion of sources
1833	<	*/
1834	<	public void testThenAcceptBothAsync() {
1835	<	CompletableFuture<Integer> f, g;
1836	<	CompletableFuture<Void> h;
1837	<	SubtractAction r;
1838	<
1839	<	f = new CompletableFuture<>();
1840	<	g = new CompletableFuture<>();
1841	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1842	<	f.complete(3);
1843	<	checkIncomplete(h);
1844	<	g.complete(1);
1845	<	checkCompletedNormally(h, null);
1846	<	assertEquals(r.value, 2);
1847	<
1848	<	f = new CompletableFuture<>();
1849	<	g = new CompletableFuture<>();
1850	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1851	<	g.complete(1);
1852	<	checkIncomplete(h);
1853	<	f.complete(3);
1854	<	checkCompletedNormally(h, null);
1855	<	assertEquals(r.value, 2);
1856	<
1857	<	f = new CompletableFuture<>();
1858	<	g = new CompletableFuture<>();
1859	<	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	<	}
1865	<
1866	<	/**
1867	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1868	<	* completion of source
1869	<	*/
1870	<	public void testThenAcceptBothAsync2() {
1871	<	CompletableFuture<Integer> f, g;
1872	<	CompletableFuture<Void> h;
1873	<	SubtractAction r;
1874	<
1875	<	f = new CompletableFuture<>();
1876	<	g = new CompletableFuture<>();
1877	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1878	<	f.completeExceptionally(new CFException());
1879	<	checkIncomplete(h);
1880	<	g.complete(1);
1881	<	checkCompletedWithWrappedCFException(h);
1882	<
1883	<	f = new CompletableFuture<>();
1884	<	g = new CompletableFuture<>();
1885	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1886	<	g.completeExceptionally(new CFException());
1887	<	checkIncomplete(h);
1888	<	f.complete(3);
1889	<	checkCompletedWithWrappedCFException(h);
1890	<
1891	<	f = new CompletableFuture<>();
1892	<	g = new CompletableFuture<>();
1893	<	f.complete(3);
1894	<	g.completeExceptionally(new CFException());
1895	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1896	<	checkCompletedWithWrappedCFException(h);
1897	<
1898	<	f = new CompletableFuture<>();
1899	<	g = new CompletableFuture<>();
1900	<	f.completeExceptionally(new CFException());
1901	<	g.complete(3);
1902	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1903	<	checkCompletedWithWrappedCFException(h);
1904	<	}
1905	<
1906	<	/**
1907	<	* thenAcceptBothAsync result completes exceptionally if action does
1908	<	*/
1909	<	public void testThenAcceptBothAsync3() {
1910	<	CompletableFuture<Integer> f, g;
1911	<	CompletableFuture<Void> h;
1912	<	FailingBiConsumer r;
1913	<
1914	<	f = new CompletableFuture<>();
1915	<	g = new CompletableFuture<>();
1916	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1917	<	f.complete(3);
1918	<	checkIncomplete(h);
1919	<	g.complete(1);
1920	<	checkCompletedWithWrappedCFException(h);
1921	<
1922	<	f = new CompletableFuture<>();
1923	<	g = new CompletableFuture<>();
1924	<	f.complete(3);
1925	<	g.complete(1);
1926	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1927	<	checkCompletedWithWrappedCFException(h);
1928	<	}
1929	<
1930	<	/**
1931	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
1932	<	*/
1933	<	public void testThenAcceptBothAsync4() {
1934	<	CompletableFuture<Integer> f, g;
1935	<	CompletableFuture<Void> h;
1936	<	SubtractAction r;
1937	<
1938	<	f = new CompletableFuture<>();
1939	<	g = new CompletableFuture<>();
1940	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1941	<	assertTrue(f.cancel(true));
1942	<	checkIncomplete(h);
1943	<	g.complete(1);
1944	<	checkCompletedWithWrappedCancellationException(h);
1945	<
1946	<	f = new CompletableFuture<>();
1947	<	g = new CompletableFuture<>();
1948	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1949	<	assertTrue(g.cancel(true));
1950	<	checkIncomplete(h);
1951	<	f.complete(3);
1952	<	checkCompletedWithWrappedCancellationException(h);
1953	<
1954	<	f = new CompletableFuture<>();
1955	<	g = new CompletableFuture<>();
1956	<	f.complete(3);
1957	<	assertTrue(g.cancel(true));
1958	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1959	<	checkCompletedWithWrappedCancellationException(h);
1960	<
1961	<	f = new CompletableFuture<>();
1962	<	g = new CompletableFuture<>();
1963	<	assertTrue(f.cancel(true));
1964	<	g.complete(3);
1965	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1966	<	checkCompletedWithWrappedCancellationException(h);
1967	<	}
1968	<
1969	<	/**
1970	<	* applyToEitherAsync result completes normally after normal
1971	<	* completion of sources
1972	<	*/
1973	<	public void testApplyToEitherAsync() {
1974	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1975	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1976	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1977	<	f.complete(one);
1978	<	checkCompletedNormally(g, two);
1979	<
1980	<	f = new CompletableFuture<>();
1981	<	f.complete(one);
1982	<	f2 = new CompletableFuture<>();
1983	<	g = f.applyToEitherAsync(f2, inc);
1984	<	checkCompletedNormally(g, two);
1985	<	}
1986	<
1987	<	/**
1988	<	* applyToEitherAsync result completes exceptionally after exceptional
1989	<	* completion of source
1990	<	*/
1991	<	public void testApplyToEitherAsync2() {
1992	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1993	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1994	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1995	<	f.completeExceptionally(new CFException());
1996	<	checkCompletedWithWrappedCFException(g);
1997	<
1998	<	f = new CompletableFuture<>();
1999	<	f2 = new CompletableFuture<>();
2000	<	f2.completeExceptionally(new CFException());
2001	<	g = f.applyToEitherAsync(f2, inc);
2002	<	f.complete(one);
2003	<	checkCompletedWithWrappedCFException(g);
2004	<	}
1641	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1642	>	for (ExecutionMode m : ExecutionMode.values())
1643	>	for (boolean fFirst : new boolean[] { true, false })
1644	>	for (boolean failFirst : new boolean[] { true, false })
1645	>	for (Integer v1 : new Integer[] { 1, null })
1646	>	{
1647	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1648	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1649	>	final CFException ex = new CFException();
1650	>	final SubtractFunction r1 = new SubtractFunction(m);
1651	>	final SubtractFunction r2 = new SubtractFunction(m);
1652	>	final SubtractFunction r3 = new SubtractFunction(m);
1653	>
1654	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1655	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1656	>	final Callable<Boolean> complete1 = failFirst ?
1657	>	() -> fst.completeExceptionally(ex) :
1658	>	() -> fst.complete(v1);
1659	>	final Callable<Boolean> complete2 = failFirst ?
1660	>	() -> snd.complete(v1) :
1661	>	() -> snd.completeExceptionally(ex);
1662	>
1663	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1664	>	assertTrue(complete1.call());
1665	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1666	>	checkIncomplete(h1);
1667	>	checkIncomplete(h2);
1668	>	assertTrue(complete2.call());
1669	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1670	>
1671	>	checkCompletedWithWrappedException(h1, ex);
1672	>	checkCompletedWithWrappedException(h2, ex);
1673	>	checkCompletedWithWrappedException(h3, ex);
1674	>	r1.assertNotInvoked();
1675	>	r2.assertNotInvoked();
1676	>	r3.assertNotInvoked();
1677	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1678	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1679	>	}}
1680
1681		/**
1682	<	* applyToEitherAsync result completes exceptionally if action does
1682	>	* thenCombine result completes exceptionally if either source cancelled
1683		*/
1684	<	public void testApplyToEitherAsync3() {
1685	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1686	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1687	<	FailingFunction r = new FailingFunction();
1688	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1689	<	f.complete(one);
1690	<	checkCompletedWithWrappedCFException(g);
1691	<	}
1684	>	public void testThenCombine_sourceCancelled() throws Throwable {
1685	>	for (ExecutionMode m : ExecutionMode.values())
1686	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1687	>	for (boolean fFirst : new boolean[] { true, false })
1688	>	for (boolean failFirst : new boolean[] { true, false })
1689	>	for (Integer v1 : new Integer[] { 1, null })
1690	>	{
1691	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1692	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1693	>	final SubtractFunction r1 = new SubtractFunction(m);
1694	>	final SubtractFunction r2 = new SubtractFunction(m);
1695	>	final SubtractFunction r3 = new SubtractFunction(m);
1696	>
1697	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1698	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1699	>	final Callable<Boolean> complete1 = failFirst ?
1700	>	() -> fst.cancel(mayInterruptIfRunning) :
1701	>	() -> fst.complete(v1);
1702	>	final Callable<Boolean> complete2 = failFirst ?
1703	>	() -> snd.complete(v1) :
1704	>	() -> snd.cancel(mayInterruptIfRunning);
1705	>
1706	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1707	>	assertTrue(complete1.call());
1708	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1709	>	checkIncomplete(h1);
1710	>	checkIncomplete(h2);
1711	>	assertTrue(complete2.call());
1712	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1713	>
1714	>	checkCompletedWithWrappedCancellationException(h1);
1715	>	checkCompletedWithWrappedCancellationException(h2);
1716	>	checkCompletedWithWrappedCancellationException(h3);
1717	>	r1.assertNotInvoked();
1718	>	r2.assertNotInvoked();
1719	>	r3.assertNotInvoked();
1720	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1721	>	checkCancelled(failFirst ? fst : snd);
1722	>	}}
1723
1724		/**
1725	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1725	>	* thenCombine result completes exceptionally if action does
1726		*/
1727	<	public void testApplyToEitherAsync4() {
1728	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1729	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1730	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1731	<	assertTrue(f.cancel(true));
1732	<	checkCompletedWithWrappedCancellationException(g);
1733	<
1734	<	f = new CompletableFuture<>();
1735	<	f2 = new CompletableFuture<>();
1736	<	assertTrue(f2.cancel(true));
1737	<	g = f.applyToEitherAsync(f2, inc);
1738	<	checkCompletedWithWrappedCancellationException(g);
1739	<	}
1727	>	public void testThenCombine_actionFailed() {
1728	>	for (ExecutionMode m : ExecutionMode.values())
1729	>	for (boolean fFirst : new boolean[] { true, false })
1730	>	for (Integer v1 : new Integer[] { 1, null })
1731	>	for (Integer v2 : new Integer[] { 2, null })
1732	>	{
1733	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1734	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1735	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1736	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1737	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1738	>
1739	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1740	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1741	>	final Integer w1 =  fFirst ? v1 : v2;
1742	>	final Integer w2 = !fFirst ? v1 : v2;
1743	>
1744	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1745	>	assertTrue(fst.complete(w1));
1746	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1747	>	assertTrue(snd.complete(w2));
1748	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1749	>
1750	>	checkCompletedWithWrappedCFException(h1);
1751	>	checkCompletedWithWrappedCFException(h2);
1752	>	checkCompletedWithWrappedCFException(h3);
1753	>	r1.assertInvoked();
1754	>	r2.assertInvoked();
1755	>	r3.assertInvoked();
1756	>	checkCompletedNormally(f, v1);
1757	>	checkCompletedNormally(g, v2);
1758	>	}}
1759
1760		/**
1761	<	* acceptEitherAsync result completes normally after normal
1761	>	* thenAcceptBoth result completes normally after normal
1762		* completion of sources
1763		*/
1764	<	public void testAcceptEitherAsync() {
1765	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1766	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1767	<	IncAction r = new IncAction();
1768	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1769	<	f.complete(one);
1770	<	checkCompletedNormally(g, null);
1771	<	assertEquals(r.value, 2);
1772	<
1773	<	r = new IncAction();
1774	<	f = new CompletableFuture<>();
1775	<	f.complete(one);
1776	<	f2 = new CompletableFuture<>();
1777	<	g = f.acceptEitherAsync(f2, r);
1778	<	checkCompletedNormally(g, null);
1779	<	assertEquals(r.value, 2);
1780	<	}
1764	>	public void testThenAcceptBoth_normalCompletion() {
1765	>	for (ExecutionMode m : ExecutionMode.values())
1766	>	for (boolean fFirst : new boolean[] { true, false })
1767	>	for (Integer v1 : new Integer[] { 1, null })
1768	>	for (Integer v2 : new Integer[] { 2, null })
1769	>	{
1770	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1771	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1772	>	final SubtractAction r1 = new SubtractAction(m);
1773	>	final SubtractAction r2 = new SubtractAction(m);
1774	>	final SubtractAction r3 = new SubtractAction(m);
1775	>
1776	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1777	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1778	>	final Integer w1 =  fFirst ? v1 : v2;
1779	>	final Integer w2 = !fFirst ? v1 : v2;
1780	>
1781	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1782	>	assertTrue(fst.complete(w1));
1783	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1784	>	checkIncomplete(h1);
1785	>	checkIncomplete(h2);
1786	>	r1.assertNotInvoked();
1787	>	r2.assertNotInvoked();
1788	>	assertTrue(snd.complete(w2));
1789	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1790	>
1791	>	checkCompletedNormally(h1, null);
1792	>	checkCompletedNormally(h2, null);
1793	>	checkCompletedNormally(h3, null);
1794	>	r1.assertValue(subtract(v1, v2));
1795	>	r2.assertValue(subtract(v1, v2));
1796	>	r3.assertValue(subtract(v1, v2));
1797	>	checkCompletedNormally(f, v1);
1798	>	checkCompletedNormally(g, v2);
1799	>	}}
1800
1801		/**
1802	<	* acceptEitherAsync result completes exceptionally after exceptional
1803	<	* completion of source
1802	>	* thenAcceptBoth result completes exceptionally after exceptional
1803	>	* completion of either source
1804		*/
1805	<	public void testAcceptEitherAsync2() {
1806	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1807	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1808	<	IncAction r = new IncAction();
1809	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1810	<	f.completeExceptionally(new CFException());
1811	<	checkCompletedWithWrappedCFException(g);
1812	<
1813	<	r = new IncAction();
1814	<	f = new CompletableFuture<>();
1815	<	f2 = new CompletableFuture<>();
1816	<	f2.completeExceptionally(new CFException());
1817	<	g = f.acceptEitherAsync(f2, r);
1818	<	f.complete(one);
1819	<	checkCompletedWithWrappedCFException(g);
1820	<	}
1805	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1806	>	for (ExecutionMode m : ExecutionMode.values())
1807	>	for (boolean fFirst : new boolean[] { true, false })
1808	>	for (boolean failFirst : new boolean[] { true, false })
1809	>	for (Integer v1 : new Integer[] { 1, null })
1810	>	{
1811	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1812	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1813	>	final CFException ex = new CFException();
1814	>	final SubtractAction r1 = new SubtractAction(m);
1815	>	final SubtractAction r2 = new SubtractAction(m);
1816	>	final SubtractAction r3 = new SubtractAction(m);
1817	>
1818	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1819	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1820	>	final Callable<Boolean> complete1 = failFirst ?
1821	>	() -> fst.completeExceptionally(ex) :
1822	>	() -> fst.complete(v1);
1823	>	final Callable<Boolean> complete2 = failFirst ?
1824	>	() -> snd.complete(v1) :
1825	>	() -> snd.completeExceptionally(ex);
1826	>
1827	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1828	>	assertTrue(complete1.call());
1829	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1830	>	checkIncomplete(h1);
1831	>	checkIncomplete(h2);
1832	>	assertTrue(complete2.call());
1833	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1834	>
1835	>	checkCompletedWithWrappedException(h1, ex);
1836	>	checkCompletedWithWrappedException(h2, ex);
1837	>	checkCompletedWithWrappedException(h3, ex);
1838	>	r1.assertNotInvoked();
1839	>	r2.assertNotInvoked();
1840	>	r3.assertNotInvoked();
1841	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1842	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1843	>	}}
1844
1845		/**
1846	<	* acceptEitherAsync result completes exceptionally if action does
1846	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1847		*/
1848	<	public void testAcceptEitherAsync3() {
1849	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1850	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1851	<	FailingConsumer r = new FailingConsumer();
1852	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1853	<	f.complete(one);
1854	<	checkCompletedWithWrappedCFException(g);
1855	<	}
1848	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1849	>	for (ExecutionMode m : ExecutionMode.values())
1850	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1851	>	for (boolean fFirst : new boolean[] { true, false })
1852	>	for (boolean failFirst : new boolean[] { true, false })
1853	>	for (Integer v1 : new Integer[] { 1, null })
1854	>	{
1855	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1856	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1857	>	final SubtractAction r1 = new SubtractAction(m);
1858	>	final SubtractAction r2 = new SubtractAction(m);
1859	>	final SubtractAction r3 = new SubtractAction(m);
1860	>
1861	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1862	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1863	>	final Callable<Boolean> complete1 = failFirst ?
1864	>	() -> fst.cancel(mayInterruptIfRunning) :
1865	>	() -> fst.complete(v1);
1866	>	final Callable<Boolean> complete2 = failFirst ?
1867	>	() -> snd.complete(v1) :
1868	>	() -> snd.cancel(mayInterruptIfRunning);
1869	>
1870	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1871	>	assertTrue(complete1.call());
1872	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1873	>	checkIncomplete(h1);
1874	>	checkIncomplete(h2);
1875	>	assertTrue(complete2.call());
1876	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1877	>
1878	>	checkCompletedWithWrappedCancellationException(h1);
1879	>	checkCompletedWithWrappedCancellationException(h2);
1880	>	checkCompletedWithWrappedCancellationException(h3);
1881	>	r1.assertNotInvoked();
1882	>	r2.assertNotInvoked();
1883	>	r3.assertNotInvoked();
1884	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1885	>	checkCancelled(failFirst ? fst : snd);
1886	>	}}
1887
1888		/**
1889	<	* acceptEitherAsync result completes exceptionally if either
2092	<	* source cancelled
1889	>	* thenAcceptBoth result completes exceptionally if action does
1890		*/
1891	<	public void testAcceptEitherAsync4() {
1892	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1893	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1894	<	IncAction r = new IncAction();
1895	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1896	<	assertTrue(f.cancel(true));
1897	<	checkCompletedWithWrappedCancellationException(g);
1898	<
1899	<	r = new IncAction();
1900	<	f = new CompletableFuture<>();
1901	<	f2 = new CompletableFuture<>();
1902	<	assertTrue(f2.cancel(true));
1903	<	g = f.acceptEitherAsync(f2, r);
1904	<	checkCompletedWithWrappedCancellationException(g);
1905	<	}
1891	>	public void testThenAcceptBoth_actionFailed() {
1892	>	for (ExecutionMode m : ExecutionMode.values())
1893	>	for (boolean fFirst : new boolean[] { true, false })
1894	>	for (Integer v1 : new Integer[] { 1, null })
1895	>	for (Integer v2 : new Integer[] { 2, null })
1896	>	{
1897	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1898	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1899	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1900	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1901	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1902	>
1903	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1904	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1905	>	final Integer w1 =  fFirst ? v1 : v2;
1906	>	final Integer w2 = !fFirst ? v1 : v2;
1907	>
1908	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1909	>	assertTrue(fst.complete(w1));
1910	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1911	>	assertTrue(snd.complete(w2));
1912	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1913	>
1914	>	checkCompletedWithWrappedCFException(h1);
1915	>	checkCompletedWithWrappedCFException(h2);
1916	>	checkCompletedWithWrappedCFException(h3);
1917	>	r1.assertInvoked();
1918	>	r2.assertInvoked();
1919	>	r3.assertInvoked();
1920	>	checkCompletedNormally(f, v1);
1921	>	checkCompletedNormally(g, v2);
1922	>	}}
1923
1924		/**
1925	<	* runAfterEitherAsync result completes normally after normal
1925	>	* runAfterBoth result completes normally after normal
1926		* completion of sources
1927		*/
1928	<	public void testRunAfterEitherAsync() {
1929	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1930	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1931	<	Noop r = new Noop();
1932	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1933	<	f.complete(one);
1934	<	checkCompletedNormally(g, null);
1935	<	assertTrue(r.ran);
1936	<
1937	<	r = new Noop();
1938	<	f = new CompletableFuture<>();
1939	<	f.complete(one);
1940	<	f2 = new CompletableFuture<>();
1941	<	g = f.runAfterEitherAsync(f2, r);
1942	<	checkCompletedNormally(g, null);
1943	<	assertTrue(r.ran);
1944	<	}
1928	>	public void testRunAfterBoth_normalCompletion() {
1929	>	for (ExecutionMode m : ExecutionMode.values())
1930	>	for (boolean fFirst : new boolean[] { true, false })
1931	>	for (Integer v1 : new Integer[] { 1, null })
1932	>	for (Integer v2 : new Integer[] { 2, null })
1933	>	{
1934	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1935	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1936	>	final Noop r1 = new Noop(m);
1937	>	final Noop r2 = new Noop(m);
1938	>	final Noop r3 = new Noop(m);
1939	>
1940	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1941	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1942	>	final Integer w1 =  fFirst ? v1 : v2;
1943	>	final Integer w2 = !fFirst ? v1 : v2;
1944	>
1945	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1946	>	assertTrue(fst.complete(w1));
1947	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1948	>	checkIncomplete(h1);
1949	>	checkIncomplete(h2);
1950	>	r1.assertNotInvoked();
1951	>	r2.assertNotInvoked();
1952	>	assertTrue(snd.complete(w2));
1953	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1954	>
1955	>	checkCompletedNormally(h1, null);
1956	>	checkCompletedNormally(h2, null);
1957	>	checkCompletedNormally(h3, null);
1958	>	r1.assertInvoked();
1959	>	r2.assertInvoked();
1960	>	r3.assertInvoked();
1961	>	checkCompletedNormally(f, v1);
1962	>	checkCompletedNormally(g, v2);
1963	>	}}
1964
1965		/**
1966	<	* runAfterEitherAsync result completes exceptionally after exceptional
1967	<	* completion of source
1966	>	* runAfterBoth result completes exceptionally after exceptional
1967	>	* completion of either source
1968		*/
1969	<	public void testRunAfterEitherAsync2() {
1970	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1971	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1972	<	Noop r = new Noop();
1973	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1974	<	f.completeExceptionally(new CFException());
1975	<	checkCompletedWithWrappedCFException(g);
1976	<
1977	<	r = new Noop();
1978	<	f = new CompletableFuture<>();
1979	<	f2 = new CompletableFuture<>();
1980	<	f2.completeExceptionally(new CFException());
1981	<	g = f.runAfterEitherAsync(f2, r);
1982	<	f.complete(one);
1983	<	checkCompletedWithWrappedCFException(g);
1984	<	}
1969	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1970	>	for (ExecutionMode m : ExecutionMode.values())
1971	>	for (boolean fFirst : new boolean[] { true, false })
1972	>	for (boolean failFirst : new boolean[] { true, false })
1973	>	for (Integer v1 : new Integer[] { 1, null })
1974	>	{
1975	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1976	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1977	>	final CFException ex = new CFException();
1978	>	final Noop r1 = new Noop(m);
1979	>	final Noop r2 = new Noop(m);
1980	>	final Noop r3 = new Noop(m);
1981	>
1982	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1983	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1984	>	final Callable<Boolean> complete1 = failFirst ?
1985	>	() -> fst.completeExceptionally(ex) :
1986	>	() -> fst.complete(v1);
1987	>	final Callable<Boolean> complete2 = failFirst ?
1988	>	() -> snd.complete(v1) :
1989	>	() -> snd.completeExceptionally(ex);
1990	>
1991	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1992	>	assertTrue(complete1.call());
1993	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1994	>	checkIncomplete(h1);
1995	>	checkIncomplete(h2);
1996	>	assertTrue(complete2.call());
1997	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1998	>
1999	>	checkCompletedWithWrappedException(h1, ex);
2000	>	checkCompletedWithWrappedException(h2, ex);
2001	>	checkCompletedWithWrappedException(h3, ex);
2002	>	r1.assertNotInvoked();
2003	>	r2.assertNotInvoked();
2004	>	r3.assertNotInvoked();
2005	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2006	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2007	>	}}
2008
2009		/**
2010	<	* runAfterEitherAsync result completes exceptionally if action does
2010	>	* runAfterBoth result completes exceptionally if either source cancelled
2011		*/
2012	<	public void testRunAfterEitherAsync3() {
2013	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2014	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2015	<	FailingNoop r = new FailingNoop();
2016	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2017	<	f.complete(one);
2018	<	checkCompletedWithWrappedCFException(g);
2019	<	}
2012	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2013	>	for (ExecutionMode m : ExecutionMode.values())
2014	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2015	>	for (boolean fFirst : new boolean[] { true, false })
2016	>	for (boolean failFirst : new boolean[] { true, false })
2017	>	for (Integer v1 : new Integer[] { 1, null })
2018	>	{
2019	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2020	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2021	>	final Noop r1 = new Noop(m);
2022	>	final Noop r2 = new Noop(m);
2023	>	final Noop r3 = new Noop(m);
2024	>
2025	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2026	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2027	>	final Callable<Boolean> complete1 = failFirst ?
2028	>	() -> fst.cancel(mayInterruptIfRunning) :
2029	>	() -> fst.complete(v1);
2030	>	final Callable<Boolean> complete2 = failFirst ?
2031	>	() -> snd.complete(v1) :
2032	>	() -> snd.cancel(mayInterruptIfRunning);
2033	>
2034	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2035	>	assertTrue(complete1.call());
2036	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2037	>	checkIncomplete(h1);
2038	>	checkIncomplete(h2);
2039	>	assertTrue(complete2.call());
2040	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2041	>
2042	>	checkCompletedWithWrappedCancellationException(h1);
2043	>	checkCompletedWithWrappedCancellationException(h2);
2044	>	checkCompletedWithWrappedCancellationException(h3);
2045	>	r1.assertNotInvoked();
2046	>	r2.assertNotInvoked();
2047	>	r3.assertNotInvoked();
2048	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2049	>	checkCancelled(failFirst ? fst : snd);
2050	>	}}
2051
2052		/**
2053	<	* runAfterEitherAsync result completes exceptionally if either
2167	<	* source cancelled
2053	>	* runAfterBoth result completes exceptionally if action does
2054		*/
2055	<	public void testRunAfterEitherAsync4() {
2056	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2057	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2058	<	Noop r = new Noop();
2059	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2060	<	assertTrue(f.cancel(true));
2061	<	checkCompletedWithWrappedCancellationException(g);
2062	<
2063	<	r = new Noop();
2064	<	f = new CompletableFuture<>();
2065	<	f2 = new CompletableFuture<>();
2066	<	assertTrue(f2.cancel(true));
2067	<	g = f.runAfterEitherAsync(f2, r);
2068	<	checkCompletedWithWrappedCancellationException(g);
2069	<	}
2055	>	public void testRunAfterBoth_actionFailed() {
2056	>	for (ExecutionMode m : ExecutionMode.values())
2057	>	for (boolean fFirst : new boolean[] { true, false })
2058	>	for (Integer v1 : new Integer[] { 1, null })
2059	>	for (Integer v2 : new Integer[] { 2, null })
2060	>	{
2061	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2062	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2063	>	final FailingRunnable r1 = new FailingRunnable(m);
2064	>	final FailingRunnable r2 = new FailingRunnable(m);
2065	>	final FailingRunnable r3 = new FailingRunnable(m);
2066	>
2067	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2068	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2069	>	final Integer w1 =  fFirst ? v1 : v2;
2070	>	final Integer w2 = !fFirst ? v1 : v2;
2071	>
2072	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2073	>	assertTrue(fst.complete(w1));
2074	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2075	>	assertTrue(snd.complete(w2));
2076	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2077	>
2078	>	checkCompletedWithWrappedCFException(h1);
2079	>	checkCompletedWithWrappedCFException(h2);
2080	>	checkCompletedWithWrappedCFException(h3);
2081	>	r1.assertInvoked();
2082	>	r2.assertInvoked();
2083	>	r3.assertInvoked();
2084	>	checkCompletedNormally(f, v1);
2085	>	checkCompletedNormally(g, v2);
2086	>	}}
2087
2088		/**
2089	<	* thenComposeAsync result completes normally after normal
2090	<	* completion of source
2089	>	* applyToEither result completes normally after normal completion
2090	>	* of either source
2091		*/
2092	<	public void testThenComposeAsync() {
2093	<	CompletableFuture<Integer> f, g;
2094	<	CompletableFutureInc r;
2095	<
2096	<	f = new CompletableFuture<>();
2097	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2098	<	f.complete(one);
2099	<	checkCompletedNormally(g, two);
2100	<
2198	<	f = new CompletableFuture<>();
2199	<	f.complete(one);
2200	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2201	<	checkCompletedNormally(g, two);
2202	<	}
2092	>	public void testApplyToEither_normalCompletion() {
2093	>	for (ExecutionMode m : ExecutionMode.values())
2094	>	for (Integer v1 : new Integer[] { 1, null })
2095	>	for (Integer v2 : new Integer[] { 2, null })
2096	>	{
2097	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2098	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2099	>	final IncFunction[] rs = new IncFunction[6];
2100	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2101
2102	<	/**
2103	<	* thenComposeAsync result completes exceptionally after
2104	<	* exceptional completion of source
2105	<	*/
2106	<	public void testThenComposeAsync2() {
2107	<	CompletableFuture<Integer> f, g;
2108	<	CompletableFutureInc r;
2102	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2103	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2104	>	checkIncomplete(h0);
2105	>	checkIncomplete(h1);
2106	>	rs[0].assertNotInvoked();
2107	>	rs[1].assertNotInvoked();
2108	>	f.complete(v1);
2109	>	checkCompletedNormally(h0, inc(v1));
2110	>	checkCompletedNormally(h1, inc(v1));
2111	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2112	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2113	>	checkCompletedNormally(h2, inc(v1));
2114	>	checkCompletedNormally(h3, inc(v1));
2115	>	g.complete(v2);
2116
2117	<	f = new CompletableFuture<>();
2118	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2119	<	f.completeExceptionally(new CFException());
2120	<	checkCompletedWithWrappedCFException(g);
2121	<	assertFalse(r.ran);
2117	>	// unspecified behavior - both source completions available
2118	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2119	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2120	>	rs[4].assertValue(h4.join());
2121	>	rs[5].assertValue(h5.join());
2122	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2123	>	Objects.equals(inc(v2), h4.join()));
2124	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2125	>	Objects.equals(inc(v2), h5.join()));
2126
2127	<	f = new CompletableFuture<>();
2128	<	f.completeExceptionally(new CFException());
2129	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2130	<	checkCompletedWithWrappedCFException(g);
2131	<	assertFalse(r.ran);
2132	<	}
2127	>	checkCompletedNormally(f, v1);
2128	>	checkCompletedNormally(g, v2);
2129	>	checkCompletedNormally(h0, inc(v1));
2130	>	checkCompletedNormally(h1, inc(v1));
2131	>	checkCompletedNormally(h2, inc(v1));
2132	>	checkCompletedNormally(h3, inc(v1));
2133	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2134	>	}}
2135
2136		/**
2137	<	* thenComposeAsync result completes exceptionally if action does
2137	>	* applyToEither result completes exceptionally after exceptional
2138	>	* completion of either source
2139		*/
2140	<	public void testThenComposeAsync3() {
2141	<	CompletableFuture<Integer> f, g;
2142	<	FailingCompletableFutureFunction r;
2140	>	public void testApplyToEither_exceptionalCompletion() {
2141	>	for (ExecutionMode m : ExecutionMode.values())
2142	>	for (Integer v1 : new Integer[] { 1, null })
2143	>	{
2144	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2145	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2146	>	final CFException ex = new CFException();
2147	>	final IncFunction[] rs = new IncFunction[6];
2148	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2149
2150	<	f = new CompletableFuture<>();
2151	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2152	<	f.complete(one);
2153	<	checkCompletedWithWrappedCFException(g);
2150	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2151	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2152	>	checkIncomplete(h0);
2153	>	checkIncomplete(h1);
2154	>	rs[0].assertNotInvoked();
2155	>	rs[1].assertNotInvoked();
2156	>	f.completeExceptionally(ex);
2157	>	checkCompletedWithWrappedException(h0, ex);
2158	>	checkCompletedWithWrappedException(h1, ex);
2159	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2160	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2161	>	checkCompletedWithWrappedException(h2, ex);
2162	>	checkCompletedWithWrappedException(h3, ex);
2163	>	g.complete(v1);
2164
2165	<	f = new CompletableFuture<>();
2166	<	f.complete(one);
2167	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2168	<	checkCompletedWithWrappedCFException(g);
2169	<	}
2165	>	// unspecified behavior - both source completions available
2166	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2167	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2168	>	try {
2169	>	assertEquals(inc(v1), h4.join());
2170	>	rs[4].assertValue(inc(v1));
2171	>	} catch (CompletionException ok) {
2172	>	checkCompletedWithWrappedException(h4, ex);
2173	>	rs[4].assertNotInvoked();
2174	>	}
2175	>	try {
2176	>	assertEquals(inc(v1), h5.join());
2177	>	rs[5].assertValue(inc(v1));
2178	>	} catch (CompletionException ok) {
2179	>	checkCompletedWithWrappedException(h5, ex);
2180	>	rs[5].assertNotInvoked();
2181	>	}
2182
2183	<	/**
2184	<	* thenComposeAsync result completes exceptionally if source cancelled
2185	<	*/
2186	<	public void testThenComposeAsync4() {
2187	<	CompletableFuture<Integer> f, g;
2188	<	CompletableFutureInc r;
2183	>	checkCompletedExceptionally(f, ex);
2184	>	checkCompletedNormally(g, v1);
2185	>	checkCompletedWithWrappedException(h0, ex);
2186	>	checkCompletedWithWrappedException(h1, ex);
2187	>	checkCompletedWithWrappedException(h2, ex);
2188	>	checkCompletedWithWrappedException(h3, ex);
2189	>	checkCompletedWithWrappedException(h4, ex);
2190	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2191	>	}}
2192
2193	<	f = new CompletableFuture<>();
2194	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2195	<	assertTrue(f.cancel(true));
2196	<	checkCompletedWithWrappedCancellationException(g);
2193	>	public void testApplyToEither_exceptionalCompletion2() {
2194	>	for (ExecutionMode m : ExecutionMode.values())
2195	>	for (boolean fFirst : new boolean[] { true, false })
2196	>	for (Integer v1 : new Integer[] { 1, null })
2197	>	{
2198	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2199	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2200	>	final CFException ex = new CFException();
2201	>	final IncFunction[] rs = new IncFunction[6];
2202	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2203
2204	<	f = new CompletableFuture<>();
2205	<	assertTrue(f.cancel(true));
2206	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2207	<	checkCompletedWithWrappedCancellationException(g);
2208	<	}
2204	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2205	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2206	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2207	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2208	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2209	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2210	>
2211	>	// unspecified behavior - both source completions available
2212	>	try {
2213	>	assertEquals(inc(v1), h0.join());
2214	>	rs[0].assertValue(inc(v1));
2215	>	} catch (CompletionException ok) {
2216	>	checkCompletedWithWrappedException(h0, ex);
2217	>	rs[0].assertNotInvoked();
2218	>	}
2219	>	try {
2220	>	assertEquals(inc(v1), h1.join());
2221	>	rs[1].assertValue(inc(v1));
2222	>	} catch (CompletionException ok) {
2223	>	checkCompletedWithWrappedException(h1, ex);
2224	>	rs[1].assertNotInvoked();
2225	>	}
2226	>	try {
2227	>	assertEquals(inc(v1), h2.join());
2228	>	rs[2].assertValue(inc(v1));
2229	>	} catch (CompletionException ok) {
2230	>	checkCompletedWithWrappedException(h2, ex);
2231	>	rs[2].assertNotInvoked();
2232	>	}
2233	>	try {
2234	>	assertEquals(inc(v1), h3.join());
2235	>	rs[3].assertValue(inc(v1));
2236	>	} catch (CompletionException ok) {
2237	>	checkCompletedWithWrappedException(h3, ex);
2238	>	rs[3].assertNotInvoked();
2239	>	}
2240
2241	<	// async with explicit executors
2241	>	checkCompletedNormally(f, v1);
2242	>	checkCompletedExceptionally(g, ex);
2243	>	}}
2244
2245		/**
2246	<	* thenRunAsync result completes normally after normal completion of source
2246	>	* applyToEither result completes exceptionally if either source cancelled
2247		*/
2248	<	public void testThenRunAsyncE() {
2249	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2250	<	Noop r = new Noop();
2251	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2252	<	f.complete(null);
2253	<	checkCompletedNormally(g, null);
2254	<
2255	<	// reordered version
2256	<	f = new CompletableFuture<>();
2275	<	f.complete(null);
2276	<	r = new Noop();
2277	<	g = f.thenRunAsync(r, new ThreadExecutor());
2278	<	checkCompletedNormally(g, null);
2279	<	}
2248	>	public void testApplyToEither_sourceCancelled() {
2249	>	for (ExecutionMode m : ExecutionMode.values())
2250	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2251	>	for (Integer v1 : new Integer[] { 1, null })
2252	>	{
2253	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2254	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2255	>	final IncFunction[] rs = new IncFunction[6];
2256	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2257
2258	<	/**
2259	<	* thenRunAsync result completes exceptionally after exceptional
2260	<	* completion of source
2261	<	*/
2262	<	public void testThenRunAsync2E() {
2263	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2264	<	Noop r = new Noop();
2265	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2266	<	f.completeExceptionally(new CFException());
2267	<	try {
2268	<	g.join();
2269	<	shouldThrow();
2270	<	} catch (CompletionException success) {}
2271	<	checkCompletedWithWrappedCFException(g);
2295	<	}
2258	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2259	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2260	>	checkIncomplete(h0);
2261	>	checkIncomplete(h1);
2262	>	rs[0].assertNotInvoked();
2263	>	rs[1].assertNotInvoked();
2264	>	f.cancel(mayInterruptIfRunning);
2265	>	checkCompletedWithWrappedCancellationException(h0);
2266	>	checkCompletedWithWrappedCancellationException(h1);
2267	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2268	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2269	>	checkCompletedWithWrappedCancellationException(h2);
2270	>	checkCompletedWithWrappedCancellationException(h3);
2271	>	g.complete(v1);
2272
2273	<	/**
2274	<	* thenRunAsync result completes exceptionally if action does
2275	<	*/
2276	<	public void testThenRunAsync3E() {
2277	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2278	<	FailingNoop r = new FailingNoop();
2279	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2280	<	f.complete(null);
2281	<	checkCompletedWithWrappedCFException(g);
2282	<	}
2273	>	// unspecified behavior - both source completions available
2274	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2275	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2276	>	try {
2277	>	assertEquals(inc(v1), h4.join());
2278	>	rs[4].assertValue(inc(v1));
2279	>	} catch (CompletionException ok) {
2280	>	checkCompletedWithWrappedCancellationException(h4);
2281	>	rs[4].assertNotInvoked();
2282	>	}
2283	>	try {
2284	>	assertEquals(inc(v1), h5.join());
2285	>	rs[5].assertValue(inc(v1));
2286	>	} catch (CompletionException ok) {
2287	>	checkCompletedWithWrappedCancellationException(h5);
2288	>	rs[5].assertNotInvoked();
2289	>	}
2290
2291	<	/**
2292	<	* thenRunAsync result completes exceptionally if source cancelled
2293	<	*/
2294	<	public void testThenRunAsync4E() {
2295	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2296	<	Noop r = new Noop();
2297	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2298	<	assertTrue(f.cancel(true));
2316	<	checkCompletedWithWrappedCancellationException(g);
2317	<	}
2291	>	checkCancelled(f);
2292	>	checkCompletedNormally(g, v1);
2293	>	checkCompletedWithWrappedCancellationException(h0);
2294	>	checkCompletedWithWrappedCancellationException(h1);
2295	>	checkCompletedWithWrappedCancellationException(h2);
2296	>	checkCompletedWithWrappedCancellationException(h3);
2297	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2298	>	}}
2299
2300	<	/**
2301	<	* thenApplyAsync result completes normally after normal completion of source
2302	<	*/
2303	<	public void testThenApplyAsyncE() {
2304	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2305	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2306	<	f.complete(one);
2307	<	checkCompletedNormally(g, two);
2308	<	}
2300	>	public void testApplyToEither_sourceCancelled2() {
2301	>	for (ExecutionMode m : ExecutionMode.values())
2302	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2303	>	for (boolean fFirst : new boolean[] { true, false })
2304	>	for (Integer v1 : new Integer[] { 1, null })
2305	>	{
2306	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2307	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2308	>	final IncFunction[] rs = new IncFunction[6];
2309	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2310
2311	<	/**
2312	<	* thenApplyAsync result completes exceptionally after exceptional
2313	<	* completion of source
2314	<	*/
2315	<	public void testThenApplyAsync2E() {
2316	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2317	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2318	<	f.completeExceptionally(new CFException());
2319	<	checkCompletedWithWrappedCFException(g);
2320	<	}
2311	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2312	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2313	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2314	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2315	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2316	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2317	>
2318	>	// unspecified behavior - both source completions available
2319	>	try {
2320	>	assertEquals(inc(v1), h0.join());
2321	>	rs[0].assertValue(inc(v1));
2322	>	} catch (CompletionException ok) {
2323	>	checkCompletedWithWrappedCancellationException(h0);
2324	>	rs[0].assertNotInvoked();
2325	>	}
2326	>	try {
2327	>	assertEquals(inc(v1), h1.join());
2328	>	rs[1].assertValue(inc(v1));
2329	>	} catch (CompletionException ok) {
2330	>	checkCompletedWithWrappedCancellationException(h1);
2331	>	rs[1].assertNotInvoked();
2332	>	}
2333	>	try {
2334	>	assertEquals(inc(v1), h2.join());
2335	>	rs[2].assertValue(inc(v1));
2336	>	} catch (CompletionException ok) {
2337	>	checkCompletedWithWrappedCancellationException(h2);
2338	>	rs[2].assertNotInvoked();
2339	>	}
2340	>	try {
2341	>	assertEquals(inc(v1), h3.join());
2342	>	rs[3].assertValue(inc(v1));
2343	>	} catch (CompletionException ok) {
2344	>	checkCompletedWithWrappedCancellationException(h3);
2345	>	rs[3].assertNotInvoked();
2346	>	}
2347
2348	<	/**
2349	<	* thenApplyAsync result completes exceptionally if action does
2350	<	*/
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	<	}
2348	>	checkCompletedNormally(f, v1);
2349	>	checkCancelled(g);
2350	>	}}
2351
2352		/**
2353	<	* thenApplyAsync result completes exceptionally if source cancelled
2353	>	* applyToEither result completes exceptionally if action does
2354		*/
2355	<	public void testThenApplyAsync4E() {
2356	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2357	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2358	<	assertTrue(f.cancel(true));
2359	<	checkCompletedWithWrappedCancellationException(g);
2360	<	}
2355	>	public void testApplyToEither_actionFailed() {
2356	>	for (ExecutionMode m : ExecutionMode.values())
2357	>	for (Integer v1 : new Integer[] { 1, null })
2358	>	for (Integer v2 : new Integer[] { 2, null })
2359	>	{
2360	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2361	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2362	>	final FailingFunction[] rs = new FailingFunction[6];
2363	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2364
2365	<	/**
2366	<	* thenAcceptAsync result completes normally after normal
2367	<	* completion of source
2368	<	*/
2369	<	public void testThenAcceptAsyncE() {
2370	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2371	<	IncAction r = new IncAction();
2372	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2373	<	f.complete(one);
2374	<	checkCompletedNormally(g, null);
2371	<	assertEquals(r.value, 2);
2372	<	}
2365	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2366	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2367	>	f.complete(v1);
2368	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2369	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2370	>	checkCompletedWithWrappedCFException(h0);
2371	>	checkCompletedWithWrappedCFException(h1);
2372	>	checkCompletedWithWrappedCFException(h2);
2373	>	checkCompletedWithWrappedCFException(h3);
2374	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2375
2376	<	/**
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	<	}
2376	>	g.complete(v2);
2377
2378	<	/**
2379	<	* thenAcceptAsync result completes exceptionally if action does
2380	<	*/
2381	<	public void testThenAcceptAsync3E() {
2382	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2383	<	FailingConsumer r = new FailingConsumer();
2384	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2385	<	f.complete(null);
2386	<	checkCompletedWithWrappedCFException(g);
2387	<	}
2378	>	// unspecified behavior - both source completions available
2379	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2380	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2381	>
2382	>	checkCompletedWithWrappedCFException(h4);
2383	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2384	>	Objects.equals(v2, rs[4].value));
2385	>	checkCompletedWithWrappedCFException(h5);
2386	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2387	>	Objects.equals(v2, rs[5].value));
2388
2389	<	/**
2390	<	* thenAcceptAsync result completes exceptionally if source cancelled
2391	<	*/
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	<	}
2389	>	checkCompletedNormally(f, v1);
2390	>	checkCompletedNormally(g, v2);
2391	>	}}
2392
2393		/**
2394	<	* thenCombineAsync result completes normally after normal
2395	<	* completion of sources
2394	>	* acceptEither result completes normally after normal completion
2395	>	* of either source
2396		*/
2397	<	public void testThenCombineAsyncE() {
2398	<	CompletableFuture<Integer> f, g, h;
2399	<	ThreadExecutor e = new ThreadExecutor();
2400	<	int count = 0;
2397	>	public void testAcceptEither_normalCompletion() {
2398	>	for (ExecutionMode m : ExecutionMode.values())
2399	>	for (Integer v1 : new Integer[] { 1, null })
2400	>	for (Integer v2 : new Integer[] { 2, null })
2401	>	{
2402	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2403	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2404	>	final NoopConsumer[] rs = new NoopConsumer[6];
2405	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2406
2407	<	f = new CompletableFuture<>();
2408	<	g = new CompletableFuture<>();
2409	<	h = f.thenCombineAsync(g, subtract, e);
2410	<	f.complete(3);
2411	<	checkIncomplete(h);
2412	<	g.complete(1);
2413	<	checkCompletedNormally(h, 2);
2414	<	assertEquals(++count, e.count.get());
2407	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2408	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2409	>	checkIncomplete(h0);
2410	>	checkIncomplete(h1);
2411	>	rs[0].assertNotInvoked();
2412	>	rs[1].assertNotInvoked();
2413	>	f.complete(v1);
2414	>	checkCompletedNormally(h0, null);
2415	>	checkCompletedNormally(h1, null);
2416	>	rs[0].assertValue(v1);
2417	>	rs[1].assertValue(v1);
2418	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2419	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2420	>	checkCompletedNormally(h2, null);
2421	>	checkCompletedNormally(h3, null);
2422	>	rs[2].assertValue(v1);
2423	>	rs[3].assertValue(v1);
2424	>	g.complete(v2);
2425
2426	<	f = new CompletableFuture<>();
2427	<	g = new CompletableFuture<>();
2428	<	h = f.thenCombineAsync(g, subtract, e);
2429	<	g.complete(1);
2430	<	checkIncomplete(h);
2431	<	f.complete(3);
2432	<	checkCompletedNormally(h, 2);
2433	<	assertEquals(++count, e.count.get());
2426	>	// unspecified behavior - both source completions available
2427	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2428	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2429	>	checkCompletedNormally(h4, null);
2430	>	checkCompletedNormally(h5, null);
2431	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2432	>	Objects.equals(v2, rs[4].value));
2433	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2434	>	Objects.equals(v2, rs[5].value));
2435
2436	<	f = new CompletableFuture<>();
2437	<	g = new CompletableFuture<>();
2438	<	g.complete(1);
2439	<	f.complete(3);
2440	<	h = f.thenCombineAsync(g, subtract, e);
2441	<	checkCompletedNormally(h, 2);
2442	<	assertEquals(++count, e.count.get());
2443	<	}
2436	>	checkCompletedNormally(f, v1);
2437	>	checkCompletedNormally(g, v2);
2438	>	checkCompletedNormally(h0, null);
2439	>	checkCompletedNormally(h1, null);
2440	>	checkCompletedNormally(h2, null);
2441	>	checkCompletedNormally(h3, null);
2442	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2443	>	}}
2444
2445		/**
2446	<	* thenCombineAsync result completes exceptionally after exceptional
2446	>	* acceptEither result completes exceptionally after exceptional
2447		* completion of either source
2448		*/
2449	<	public void testThenCombineAsync2E() {
2450	<	CompletableFuture<Integer> f, g, h;
2451	<	ThreadExecutor e = new ThreadExecutor();
2452	<	int count = 0;
2453	<
2454	<	f = new CompletableFuture<>();
2455	<	g = new CompletableFuture<>();
2456	<	h = f.thenCombineAsync(g, subtract, e);
2457	<	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);
2476	<
2477	<	assertEquals(0, e.count.get());
2478	<	}
2449	>	public void testAcceptEither_exceptionalCompletion() {
2450	>	for (ExecutionMode m : ExecutionMode.values())
2451	>	for (Integer v1 : new Integer[] { 1, null })
2452	>	{
2453	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2454	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2455	>	final CFException ex = new CFException();
2456	>	final NoopConsumer[] rs = new NoopConsumer[6];
2457	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2458
2459	<	/**
2460	<	* thenCombineAsync result completes exceptionally if action does
2461	<	*/
2462	<	public void testThenCombineAsync3E() {
2463	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2464	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2465	<	FailingBiFunction r = new FailingBiFunction();
2466	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2467	<	f.complete(one);
2468	<	checkIncomplete(g);
2469	<	assertFalse(r.ran);
2470	<	f2.complete(two);
2471	<	checkCompletedWithWrappedCFException(g);
2493	<	assertTrue(r.ran);
2494	<	}
2459	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2460	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2461	>	checkIncomplete(h0);
2462	>	checkIncomplete(h1);
2463	>	rs[0].assertNotInvoked();
2464	>	rs[1].assertNotInvoked();
2465	>	f.completeExceptionally(ex);
2466	>	checkCompletedWithWrappedException(h0, ex);
2467	>	checkCompletedWithWrappedException(h1, ex);
2468	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2469	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2470	>	checkCompletedWithWrappedException(h2, ex);
2471	>	checkCompletedWithWrappedException(h3, ex);
2472
2473	<	/**
2497	<	* thenCombineAsync result completes exceptionally if either source cancelled
2498	<	*/
2499	<	public void testThenCombineAsync4E() {
2500	<	CompletableFuture<Integer> f, g, h;
2501	<	ThreadExecutor e = new ThreadExecutor();
2473	>	g.complete(v1);
2474
2475	<	f = new CompletableFuture<>();
2476	<	g = new CompletableFuture<>();
2477	<	h = f.thenCombineAsync(g, subtract, e);
2478	<	assertTrue(f.cancel(true));
2479	<	checkIncomplete(h);
2480	<	g.complete(1);
2481	<	checkCompletedWithWrappedCancellationException(h);
2475	>	// unspecified behavior - both source completions available
2476	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2477	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2478	>	try {
2479	>	assertNull(h4.join());
2480	>	rs[4].assertValue(v1);
2481	>	} catch (CompletionException ok) {
2482	>	checkCompletedWithWrappedException(h4, ex);
2483	>	rs[4].assertNotInvoked();
2484	>	}
2485	>	try {
2486	>	assertNull(h5.join());
2487	>	rs[5].assertValue(v1);
2488	>	} catch (CompletionException ok) {
2489	>	checkCompletedWithWrappedException(h5, ex);
2490	>	rs[5].assertNotInvoked();
2491	>	}
2492
2493	<	f = new CompletableFuture<>();
2494	<	g = new CompletableFuture<>();
2495	<	h = f.thenCombineAsync(g, subtract, e);
2496	<	assertTrue(g.cancel(true));
2497	<	checkIncomplete(h);
2498	<	f.complete(3);
2499	<	checkCompletedWithWrappedCancellationException(h);
2493	>	checkCompletedExceptionally(f, ex);
2494	>	checkCompletedNormally(g, v1);
2495	>	checkCompletedWithWrappedException(h0, ex);
2496	>	checkCompletedWithWrappedException(h1, ex);
2497	>	checkCompletedWithWrappedException(h2, ex);
2498	>	checkCompletedWithWrappedException(h3, ex);
2499	>	checkCompletedWithWrappedException(h4, ex);
2500	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2501	>	}}
2502
2503	<	f = new CompletableFuture<>();
2504	<	g = new CompletableFuture<>();
2505	<	assertTrue(g.cancel(true));
2506	<	h = f.thenCombineAsync(g, subtract, e);
2507	<	checkIncomplete(h);
2508	<	f.complete(3);
2509	<	checkCompletedWithWrappedCancellationException(h);
2503	>	public void testAcceptEither_exceptionalCompletion2() {
2504	>	for (ExecutionMode m : ExecutionMode.values())
2505	>	for (boolean fFirst : new boolean[] { true, false })
2506	>	for (Integer v1 : new Integer[] { 1, null })
2507	>	{
2508	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2509	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2510	>	final CFException ex = new CFException();
2511	>	final NoopConsumer[] rs = new NoopConsumer[6];
2512	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2513
2514	<	f = new CompletableFuture<>();
2515	<	g = new CompletableFuture<>();
2516	<	assertTrue(f.cancel(true));
2517	<	assertTrue(g.cancel(true));
2518	<	h = f.thenCombineAsync(g, subtract, e);
2519	<	checkCompletedWithWrappedCancellationException(h);
2514	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2515	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2516	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2517	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2518	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2519	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2520	>
2521	>	// unspecified behavior - both source completions available
2522	>	try {
2523	>	assertEquals(null, h0.join());
2524	>	rs[0].assertValue(v1);
2525	>	} catch (CompletionException ok) {
2526	>	checkCompletedWithWrappedException(h0, ex);
2527	>	rs[0].assertNotInvoked();
2528	>	}
2529	>	try {
2530	>	assertEquals(null, h1.join());
2531	>	rs[1].assertValue(v1);
2532	>	} catch (CompletionException ok) {
2533	>	checkCompletedWithWrappedException(h1, ex);
2534	>	rs[1].assertNotInvoked();
2535	>	}
2536	>	try {
2537	>	assertEquals(null, h2.join());
2538	>	rs[2].assertValue(v1);
2539	>	} catch (CompletionException ok) {
2540	>	checkCompletedWithWrappedException(h2, ex);
2541	>	rs[2].assertNotInvoked();
2542	>	}
2543	>	try {
2544	>	assertEquals(null, h3.join());
2545	>	rs[3].assertValue(v1);
2546	>	} catch (CompletionException ok) {
2547	>	checkCompletedWithWrappedException(h3, ex);
2548	>	rs[3].assertNotInvoked();
2549	>	}
2550
2551	<	assertEquals(0, e.count.get());
2552	<	}
2551	>	checkCompletedNormally(f, v1);
2552	>	checkCompletedExceptionally(g, ex);
2553	>	}}
2554
2555		/**
2556	<	* thenAcceptBothAsync result completes normally after normal
2539	<	* completion of sources
2556	>	* acceptEither result completes exceptionally if either source cancelled
2557		*/
2558	<	public void testThenAcceptBothAsyncE() {
2559	<	CompletableFuture<Integer> f, g;
2560	<	CompletableFuture<Void> h;
2561	<	SubtractAction r;
2562	<	ThreadExecutor e = new ThreadExecutor();
2558	>	public void testAcceptEither_sourceCancelled() {
2559	>	for (ExecutionMode m : ExecutionMode.values())
2560	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2561	>	for (Integer v1 : new Integer[] { 1, null })
2562	>	{
2563	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2564	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2565	>	final NoopConsumer[] rs = new NoopConsumer[6];
2566	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2567
2568	<	f = new CompletableFuture<>();
2569	<	g = new CompletableFuture<>();
2570	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2571	<	f.complete(3);
2572	<	checkIncomplete(h);
2573	<	g.complete(1);
2574	<	checkCompletedNormally(h, null);
2575	<	assertEquals(r.value, 2);
2568	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2569	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2570	>	checkIncomplete(h0);
2571	>	checkIncomplete(h1);
2572	>	rs[0].assertNotInvoked();
2573	>	rs[1].assertNotInvoked();
2574	>	f.cancel(mayInterruptIfRunning);
2575	>	checkCompletedWithWrappedCancellationException(h0);
2576	>	checkCompletedWithWrappedCancellationException(h1);
2577	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2578	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2579	>	checkCompletedWithWrappedCancellationException(h2);
2580	>	checkCompletedWithWrappedCancellationException(h3);
2581
2582	<	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);
2582	>	g.complete(v1);
2583
2584	<	f = new CompletableFuture<>();
2585	<	g = new CompletableFuture<>();
2586	<	g.complete(1);
2587	<	f.complete(3);
2588	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2589	<	checkCompletedNormally(h, null);
2590	<	assertEquals(r.value, 2);
2584	>	// unspecified behavior - both source completions available
2585	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2586	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2587	>	try {
2588	>	assertNull(h4.join());
2589	>	rs[4].assertValue(v1);
2590	>	} catch (CompletionException ok) {
2591	>	checkCompletedWithWrappedCancellationException(h4);
2592	>	rs[4].assertNotInvoked();
2593	>	}
2594	>	try {
2595	>	assertNull(h5.join());
2596	>	rs[5].assertValue(v1);
2597	>	} catch (CompletionException ok) {
2598	>	checkCompletedWithWrappedCancellationException(h5);
2599	>	rs[5].assertNotInvoked();
2600	>	}
2601
2602	<	assertEquals(3, e.count.get());
2603	<	}
2602	>	checkCancelled(f);
2603	>	checkCompletedNormally(g, v1);
2604	>	checkCompletedWithWrappedCancellationException(h0);
2605	>	checkCompletedWithWrappedCancellationException(h1);
2606	>	checkCompletedWithWrappedCancellationException(h2);
2607	>	checkCompletedWithWrappedCancellationException(h3);
2608	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2609	>	}}
2610
2611		/**
2612	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2578	<	* completion of source
2612	>	* acceptEither result completes exceptionally if action does
2613		*/
2614	<	public void testThenAcceptBothAsync2E() {
2615	<	CompletableFuture<Integer> f, g;
2616	<	CompletableFuture<Void> h;
2617	<	SubtractAction r;
2618	<	ThreadExecutor e = new ThreadExecutor();
2619	<
2620	<	f = new CompletableFuture<>();
2621	<	g = new CompletableFuture<>();
2622	<	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	<	}
2614	>	public void testAcceptEither_actionFailed() {
2615	>	for (ExecutionMode m : ExecutionMode.values())
2616	>	for (Integer v1 : new Integer[] { 1, null })
2617	>	for (Integer v2 : new Integer[] { 2, null })
2618	>	{
2619	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2620	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2621	>	final FailingConsumer[] rs = new FailingConsumer[6];
2622	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2623
2624	<	/**
2625	<	* thenAcceptBothAsync result completes exceptionally if action does
2626	<	*/
2627	<	public void testThenAcceptBothAsync3E() {
2628	<	CompletableFuture<Integer> f, g;
2629	<	CompletableFuture<Void> h;
2630	<	FailingBiConsumer r;
2631	<	ThreadExecutor e = new ThreadExecutor();
2624	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2625	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2626	>	f.complete(v1);
2627	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2628	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2629	>	checkCompletedWithWrappedCFException(h0);
2630	>	checkCompletedWithWrappedCFException(h1);
2631	>	checkCompletedWithWrappedCFException(h2);
2632	>	checkCompletedWithWrappedCFException(h3);
2633	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2634
2635	<	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);
2635	>	g.complete(v2);
2636
2637	<	f = new CompletableFuture<>();
2638	<	g = new CompletableFuture<>();
2639	<	f.complete(3);
2640	<	g.complete(1);
2641	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2642	<	checkCompletedWithWrappedCFException(h);
2637	>	// unspecified behavior - both source completions available
2638	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2639	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2640	>
2641	>	checkCompletedWithWrappedCFException(h4);
2642	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2643	>	Objects.equals(v2, rs[4].value));
2644	>	checkCompletedWithWrappedCFException(h5);
2645	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2646	>	Objects.equals(v2, rs[5].value));
2647
2648	<	assertEquals(2, e.count.get());
2649	<	}
2648	>	checkCompletedNormally(f, v1);
2649	>	checkCompletedNormally(g, v2);
2650	>	}}
2651
2652		/**
2653	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2653	>	* runAfterEither result completes normally after normal completion
2654	>	* of either source
2655		*/
2656	<	public void testThenAcceptBothAsync4E() {
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);
2658	<	assertTrue(f.cancel(true));
2659	<	checkIncomplete(h);
2660	<	g.complete(1);
2661	<	checkCompletedWithWrappedCancellationException(h);
2656	>	public void testRunAfterEither_normalCompletion() {
2657	>	for (ExecutionMode m : ExecutionMode.values())
2658	>	for (Integer v1 : new Integer[] { 1, null })
2659	>	for (Integer v2 : new Integer[] { 2, null })
2660	>	{
2661	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2662	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2663	>	final Noop[] rs = new Noop[6];
2664	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2665
2666	<	f = new CompletableFuture<>();
2667	<	g = new CompletableFuture<>();
2668	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2669	<	assertTrue(g.cancel(true));
2670	<	checkIncomplete(h);
2671	<	f.complete(3);
2672	<	checkCompletedWithWrappedCancellationException(h);
2666	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2667	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2668	>	checkIncomplete(h0);
2669	>	checkIncomplete(h1);
2670	>	rs[0].assertNotInvoked();
2671	>	rs[1].assertNotInvoked();
2672	>	f.complete(v1);
2673	>	checkCompletedNormally(h0, null);
2674	>	checkCompletedNormally(h1, null);
2675	>	rs[0].assertInvoked();
2676	>	rs[1].assertInvoked();
2677	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2678	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2679	>	checkCompletedNormally(h2, null);
2680	>	checkCompletedNormally(h3, null);
2681	>	rs[2].assertInvoked();
2682	>	rs[3].assertInvoked();
2683
2684	<	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);
2684	>	g.complete(v2);
2685
2686	<	f = new CompletableFuture<>();
2687	<	g = new CompletableFuture<>();
2680	<	assertTrue(f.cancel(true));
2681	<	g.complete(3);
2682	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2683	<	checkCompletedWithWrappedCancellationException(h);
2686	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2687	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2688
2689	<	assertEquals(0, e.count.get());
2690	<	}
2689	>	checkCompletedNormally(f, v1);
2690	>	checkCompletedNormally(g, v2);
2691	>	checkCompletedNormally(h0, null);
2692	>	checkCompletedNormally(h1, null);
2693	>	checkCompletedNormally(h2, null);
2694	>	checkCompletedNormally(h3, null);
2695	>	checkCompletedNormally(h4, null);
2696	>	checkCompletedNormally(h5, null);
2697	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2698	>	}}
2699
2700		/**
2701	<	* applyToEitherAsync result completes normally after normal
2702	<	* completion of sources
2701	>	* runAfterEither result completes exceptionally after exceptional
2702	>	* completion of either source
2703		*/
2704	<	public void testApplyToEitherAsyncE() {
2705	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2706	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2707	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2708	<	f.complete(one);
2709	<	checkCompletedNormally(g, two);
2710	<
2711	<	f = new CompletableFuture<>();
2712	<	f.complete(one);
2701	<	f2 = new CompletableFuture<>();
2702	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2703	<	checkCompletedNormally(g, two);
2704	<	}
2704	>	public void testRunAfterEither_exceptionalCompletion() {
2705	>	for (ExecutionMode m : ExecutionMode.values())
2706	>	for (Integer v1 : new Integer[] { 1, null })
2707	>	{
2708	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2709	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2710	>	final CFException ex = new CFException();
2711	>	final Noop[] rs = new Noop[6];
2712	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2713
2714	<	/**
2715	<	* applyToEitherAsync result completes exceptionally after exceptional
2716	<	* completion of source
2717	<	*/
2718	<	public void testApplyToEitherAsync2E() {
2719	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2720	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2721	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2722	<	f.completeExceptionally(new CFException());
2723	<	checkCompletedWithWrappedCFException(g);
2714	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2715	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2716	>	checkIncomplete(h0);
2717	>	checkIncomplete(h1);
2718	>	rs[0].assertNotInvoked();
2719	>	rs[1].assertNotInvoked();
2720	>	assertTrue(f.completeExceptionally(ex));
2721	>	checkCompletedWithWrappedException(h0, ex);
2722	>	checkCompletedWithWrappedException(h1, ex);
2723	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2724	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2725	>	checkCompletedWithWrappedException(h2, ex);
2726	>	checkCompletedWithWrappedException(h3, ex);
2727	>
2728	>	assertTrue(g.complete(v1));
2729	>
2730	>	// unspecified behavior - both source completions available
2731	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2732	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2733	>	try {
2734	>	assertNull(h4.join());
2735	>	rs[4].assertInvoked();
2736	>	} catch (CompletionException ok) {
2737	>	checkCompletedWithWrappedException(h4, ex);
2738	>	rs[4].assertNotInvoked();
2739	>	}
2740	>	try {
2741	>	assertNull(h5.join());
2742	>	rs[5].assertInvoked();
2743	>	} catch (CompletionException ok) {
2744	>	checkCompletedWithWrappedException(h5, ex);
2745	>	rs[5].assertNotInvoked();
2746	>	}
2747
2748	<	f = new CompletableFuture<>();
2749	<	f2 = new CompletableFuture<>();
2750	<	f2.completeExceptionally(new CFException());
2751	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2752	<	f.complete(one);
2753	<	checkCompletedWithWrappedCFException(g);
2754	<	}
2748	>	checkCompletedExceptionally(f, ex);
2749	>	checkCompletedNormally(g, v1);
2750	>	checkCompletedWithWrappedException(h0, ex);
2751	>	checkCompletedWithWrappedException(h1, ex);
2752	>	checkCompletedWithWrappedException(h2, ex);
2753	>	checkCompletedWithWrappedException(h3, ex);
2754	>	checkCompletedWithWrappedException(h4, ex);
2755	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2756	>	}}
2757
2758	<	/**
2759	<	* applyToEitherAsync result completes exceptionally if action does
2760	<	*/
2761	<	public void testApplyToEitherAsync3E() {
2762	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2763	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2764	<	FailingFunction r = new FailingFunction();
2765	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2766	<	f.complete(one);
2767	<	checkCompletedWithWrappedCFException(g);
2735	<	}
2758	>	public void testRunAfterEither_exceptionalCompletion2() {
2759	>	for (ExecutionMode m : ExecutionMode.values())
2760	>	for (boolean fFirst : new boolean[] { true, false })
2761	>	for (Integer v1 : new Integer[] { 1, null })
2762	>	{
2763	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2764	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2765	>	final CFException ex = new CFException();
2766	>	final Noop[] rs = new Noop[6];
2767	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2768
2769	<	/**
2770	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2771	<	*/
2772	<	public void testApplyToEitherAsync4E() {
2773	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2774	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2775	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2776	<	assertTrue(f.cancel(true));
2777	<	checkCompletedWithWrappedCancellationException(g);
2769	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2770	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2771	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2772	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2773	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2774	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2775	>
2776	>	// unspecified behavior - both source completions available
2777	>	try {
2778	>	assertEquals(null, h0.join());
2779	>	rs[0].assertInvoked();
2780	>	} catch (CompletionException ok) {
2781	>	checkCompletedWithWrappedException(h0, ex);
2782	>	rs[0].assertNotInvoked();
2783	>	}
2784	>	try {
2785	>	assertEquals(null, h1.join());
2786	>	rs[1].assertInvoked();
2787	>	} catch (CompletionException ok) {
2788	>	checkCompletedWithWrappedException(h1, ex);
2789	>	rs[1].assertNotInvoked();
2790	>	}
2791	>	try {
2792	>	assertEquals(null, h2.join());
2793	>	rs[2].assertInvoked();
2794	>	} catch (CompletionException ok) {
2795	>	checkCompletedWithWrappedException(h2, ex);
2796	>	rs[2].assertNotInvoked();
2797	>	}
2798	>	try {
2799	>	assertEquals(null, h3.join());
2800	>	rs[3].assertInvoked();
2801	>	} catch (CompletionException ok) {
2802	>	checkCompletedWithWrappedException(h3, ex);
2803	>	rs[3].assertNotInvoked();
2804	>	}
2805
2806	<	f = new CompletableFuture<>();
2807	<	f2 = new CompletableFuture<>();
2808	<	assertTrue(f2.cancel(true));
2750	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2751	<	checkCompletedWithWrappedCancellationException(g);
2752	<	}
2806	>	checkCompletedNormally(f, v1);
2807	>	checkCompletedExceptionally(g, ex);
2808	>	}}
2809
2810		/**
2811	<	* acceptEitherAsync result completes normally after normal
2756	<	* completion of sources
2811	>	* runAfterEither result completes exceptionally if either source cancelled
2812		*/
2813	<	public void testAcceptEitherAsyncE() {
2814	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2815	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2816	<	IncAction r = new IncAction();
2817	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2818	<	f.complete(one);
2819	<	checkCompletedNormally(g, null);
2820	<	assertEquals(r.value, 2);
2821	<
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	<	}
2813	>	public void testRunAfterEither_sourceCancelled() {
2814	>	for (ExecutionMode m : ExecutionMode.values())
2815	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2816	>	for (Integer v1 : new Integer[] { 1, null })
2817	>	{
2818	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2819	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2820	>	final Noop[] rs = new Noop[6];
2821	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2822
2823	<	/**
2824	<	* acceptEitherAsync result completes exceptionally after exceptional
2825	<	* completion of source
2826	<	*/
2827	<	public void testAcceptEitherAsync2E() {
2828	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2829	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2830	<	IncAction r = new IncAction();
2831	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2832	<	f.completeExceptionally(new CFException());
2833	<	checkCompletedWithWrappedCFException(g);
2823	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2824	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2825	>	checkIncomplete(h0);
2826	>	checkIncomplete(h1);
2827	>	rs[0].assertNotInvoked();
2828	>	rs[1].assertNotInvoked();
2829	>	f.cancel(mayInterruptIfRunning);
2830	>	checkCompletedWithWrappedCancellationException(h0);
2831	>	checkCompletedWithWrappedCancellationException(h1);
2832	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2833	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2834	>	checkCompletedWithWrappedCancellationException(h2);
2835	>	checkCompletedWithWrappedCancellationException(h3);
2836	>
2837	>	assertTrue(g.complete(v1));
2838	>
2839	>	// unspecified behavior - both source completions available
2840	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2841	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2842	>	try {
2843	>	assertNull(h4.join());
2844	>	rs[4].assertInvoked();
2845	>	} catch (CompletionException ok) {
2846	>	checkCompletedWithWrappedCancellationException(h4);
2847	>	rs[4].assertNotInvoked();
2848	>	}
2849	>	try {
2850	>	assertNull(h5.join());
2851	>	rs[5].assertInvoked();
2852	>	} catch (CompletionException ok) {
2853	>	checkCompletedWithWrappedCancellationException(h5);
2854	>	rs[5].assertNotInvoked();
2855	>	}
2856
2857	<	r = new IncAction();
2858	<	f = new CompletableFuture<>();
2859	<	f2 = new CompletableFuture<>();
2860	<	f2.completeExceptionally(new CFException());
2861	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2862	<	f.complete(one);
2863	<	checkCompletedWithWrappedCFException(g);
2864	<	}
2857	>	checkCancelled(f);
2858	>	checkCompletedNormally(g, v1);
2859	>	checkCompletedWithWrappedCancellationException(h0);
2860	>	checkCompletedWithWrappedCancellationException(h1);
2861	>	checkCompletedWithWrappedCancellationException(h2);
2862	>	checkCompletedWithWrappedCancellationException(h3);
2863	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2864	>	}}
2865
2866		/**
2867	<	* acceptEitherAsync result completes exceptionally if action does
2867	>	* runAfterEither result completes exceptionally if action does
2868		*/
2869	<	public void testAcceptEitherAsync3E() {
2870	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2871	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2872	<	FailingConsumer r = new FailingConsumer();
2873	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2874	<	f.complete(one);
2875	<	checkCompletedWithWrappedCFException(g);
2876	<	}
2869	>	public void testRunAfterEither_actionFailed() {
2870	>	for (ExecutionMode m : ExecutionMode.values())
2871	>	for (Integer v1 : new Integer[] { 1, null })
2872	>	for (Integer v2 : new Integer[] { 2, null })
2873	>	{
2874	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2875	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2876	>	final FailingRunnable[] rs = new FailingRunnable[6];
2877	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2878
2879	<	/**
2880	<	* acceptEitherAsync result completes exceptionally if either
2881	<	* source cancelled
2882	<	*/
2883	<	public void testAcceptEitherAsync4E() {
2884	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2885	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2886	<	IncAction r = new IncAction();
2887	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2888	<	assertTrue(f.cancel(true));
2889	<	checkCompletedWithWrappedCancellationException(g);
2879	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2880	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2881	>	assertTrue(f.complete(v1));
2882	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2883	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2884	>	checkCompletedWithWrappedCFException(h0);
2885	>	checkCompletedWithWrappedCFException(h1);
2886	>	checkCompletedWithWrappedCFException(h2);
2887	>	checkCompletedWithWrappedCFException(h3);
2888	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2889	>	assertTrue(g.complete(v2));
2890	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2891	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2892	>	checkCompletedWithWrappedCFException(h4);
2893	>	checkCompletedWithWrappedCFException(h5);
2894
2895	<	r = new IncAction();
2896	<	f = new CompletableFuture<>();
2897	<	f2 = new CompletableFuture<>();
2898	<	assertTrue(f2.cancel(true));
2825	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2826	<	checkCompletedWithWrappedCancellationException(g);
2827	<	}
2895	>	checkCompletedNormally(f, v1);
2896	>	checkCompletedNormally(g, v2);
2897	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2898	>	}}
2899
2900		/**
2901	<	* runAfterEitherAsync result completes normally after normal
2831	<	* completion of sources
2901	>	* thenCompose result completes normally after normal completion of source
2902		*/
2903	<	public void testRunAfterEitherAsyncE() {
2904	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2905	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2906	<	Noop r = new Noop();
2907	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2908	<	f.complete(one);
2909	<	checkCompletedNormally(g, null);
2910	<	assertTrue(r.ran);
2903	>	public void testThenCompose_normalCompletion() {
2904	>	for (ExecutionMode m : ExecutionMode.values())
2905	>	for (boolean createIncomplete : new boolean[] { true, false })
2906	>	for (Integer v1 : new Integer[] { 1, null })
2907	>	{
2908	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2909	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2910	>	if (!createIncomplete) assertTrue(f.complete(v1));
2911	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2912	>	if (createIncomplete) assertTrue(f.complete(v1));
2913
2914	<	r = new Noop();
2915	<	f = new CompletableFuture<>();
2916	<	f.complete(one);
2917	<	f2 = new CompletableFuture<>();
2846	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2847	<	checkCompletedNormally(g, null);
2848	<	assertTrue(r.ran);
2849	<	}
2914	>	checkCompletedNormally(g, inc(v1));
2915	>	checkCompletedNormally(f, v1);
2916	>	r.assertValue(v1);
2917	>	}}
2918
2919		/**
2920	<	* runAfterEitherAsync result completes exceptionally after exceptional
2920	>	* thenCompose result completes exceptionally after exceptional
2921		* completion of source
2922		*/
2923	<	public void testRunAfterEitherAsync2E() {
2924	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2925	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2926	<	Noop r = new Noop();
2927	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2928	<	f.completeExceptionally(new CFException());
2929	<	checkCompletedWithWrappedCFException(g);
2930	<
2931	<	r = new Noop();
2932	<	f = new CompletableFuture<>();
2933	<	f2 = new CompletableFuture<>();
2934	<	f2.completeExceptionally(new CFException());
2935	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2936	<	f.complete(one);
2937	<	checkCompletedWithWrappedCFException(g);
2870	<	}
2923	>	public void testThenCompose_exceptionalCompletion() {
2924	>	for (ExecutionMode m : ExecutionMode.values())
2925	>	for (boolean createIncomplete : new boolean[] { true, false })
2926	>	{
2927	>	final CFException ex = new CFException();
2928	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2929	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2930	>	if (!createIncomplete) f.completeExceptionally(ex);
2931	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2932	>	if (createIncomplete) f.completeExceptionally(ex);
2933	>
2934	>	checkCompletedWithWrappedException(g, ex);
2935	>	checkCompletedExceptionally(f, ex);
2936	>	r.assertNotInvoked();
2937	>	}}
2938
2939		/**
2940	<	* runAfterEitherAsync result completes exceptionally if action does
2940	>	* thenCompose result completes exceptionally if action does
2941		*/
2942	<	public void testRunAfterEitherAsync3E() {
2943	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2944	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2945	<	FailingNoop r = new FailingNoop();
2946	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2947	<	f.complete(one);
2942	>	public void testThenCompose_actionFailed() {
2943	>	for (ExecutionMode m : ExecutionMode.values())
2944	>	for (boolean createIncomplete : new boolean[] { true, false })
2945	>	for (Integer v1 : new Integer[] { 1, null })
2946	>	{
2947	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2948	>	final FailingCompletableFutureFunction r
2949	>	= new FailingCompletableFutureFunction(m);
2950	>	if (!createIncomplete) assertTrue(f.complete(v1));
2951	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2952	>	if (createIncomplete) assertTrue(f.complete(v1));
2953	>
2954		checkCompletedWithWrappedCFException(g);
2955	<	}
2955	>	checkCompletedNormally(f, v1);
2956	>	}}
2957
2958		/**
2959	<	* runAfterEitherAsync result completes exceptionally if either
2886	<	* source cancelled
2959	>	* thenCompose result completes exceptionally if source cancelled
2960		*/
2961	<	public void testRunAfterEitherAsync4E() {
2962	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2963	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2964	<	Noop r = new Noop();
2965	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2966	<	assertTrue(f.cancel(true));
2967	<	checkCompletedWithWrappedCancellationException(g);
2961	>	public void testThenCompose_sourceCancelled() {
2962	>	for (ExecutionMode m : ExecutionMode.values())
2963	>	for (boolean createIncomplete : new boolean[] { true, false })
2964	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2965	>	{
2966	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2967	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2968	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2969	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2970	>	if (createIncomplete) {
2971	>	checkIncomplete(g);
2972	>	assertTrue(f.cancel(mayInterruptIfRunning));
2973	>	}
2974
2896	–	r = new Noop();
2897	–	f = new CompletableFuture<>();
2898	–	f2 = new CompletableFuture<>();
2899	–	assertTrue(f2.cancel(true));
2900	–	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2975		checkCompletedWithWrappedCancellationException(g);
2976	<	}
2977	<
2904	<	/**
2905	<	* thenComposeAsync result completes normally after normal
2906	<	* completion of source
2907	<	*/
2908	<	public void testThenComposeAsyncE() {
2909	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2910	<	CompletableFutureInc r = new CompletableFutureInc();
2911	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2912	<	f.complete(one);
2913	<	checkCompletedNormally(g, two);
2914	<	}
2915	<
2916	<	/**
2917	<	* thenComposeAsync result completes exceptionally after
2918	<	* 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	<	}
2976	>	checkCancelled(f);
2977	>	}}
2978
2979		/**
2980	<	* thenComposeAsync result completes exceptionally if action does
2980	>	* thenCompose result completes exceptionally if the result of the action does
2981		*/
2982	<	public void testThenComposeAsync3E() {
2983	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2984	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2985	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2986	<	f.complete(one);
2987	<	checkCompletedWithWrappedCFException(g);
2988	<	}
2982	>	public void testThenCompose_actionReturnsFailingFuture() {
2983	>	for (ExecutionMode m : ExecutionMode.values())
2984	>	for (int order = 0; order < 6; order++)
2985	>	for (Integer v1 : new Integer[] { 1, null })
2986	>	{
2987	>	final CFException ex = new CFException();
2988	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2989	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2990	>	final CompletableFuture<Integer> h;
2991	>	// Test all permutations of orders
2992	>	switch (order) {
2993	>	case 0:
2994	>	assertTrue(f.complete(v1));
2995	>	assertTrue(g.completeExceptionally(ex));
2996	>	h = m.thenCompose(f, (x -> g));
2997	>	break;
2998	>	case 1:
2999	>	assertTrue(f.complete(v1));
3000	>	h = m.thenCompose(f, (x -> g));
3001	>	assertTrue(g.completeExceptionally(ex));
3002	>	break;
3003	>	case 2:
3004	>	assertTrue(g.completeExceptionally(ex));
3005	>	assertTrue(f.complete(v1));
3006	>	h = m.thenCompose(f, (x -> g));
3007	>	break;
3008	>	case 3:
3009	>	assertTrue(g.completeExceptionally(ex));
3010	>	h = m.thenCompose(f, (x -> g));
3011	>	assertTrue(f.complete(v1));
3012	>	break;
3013	>	case 4:
3014	>	h = m.thenCompose(f, (x -> g));
3015	>	assertTrue(f.complete(v1));
3016	>	assertTrue(g.completeExceptionally(ex));
3017	>	break;
3018	>	case 5:
3019	>	h = m.thenCompose(f, (x -> g));
3020	>	assertTrue(f.complete(v1));
3021	>	assertTrue(g.completeExceptionally(ex));
3022	>	break;
3023	>	default: throw new AssertionError();
3024	>	}
3025
3026	<	/**
3027	<	* thenComposeAsync result completes exceptionally if source cancelled
3028	<	*/
3029	<	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	<	}
3026	>	checkCompletedExceptionally(g, ex);
3027	>	checkCompletedWithWrappedException(h, ex);
3028	>	checkCompletedNormally(f, v1);
3029	>	}}
3030
3031		// other static methods
3032
#	Line 2963 | Line 3044 | public class CompletableFutureTest exten
3044		* when all components complete normally
3045		*/
3046		public void testAllOf_normal() throws Exception {
3047	<	for (int k = 1; k < 20; ++k) {
3048	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3049	<	for (int i = 0; i < k; ++i)
3047	>	for (int k = 1; k < 10; k++) {
3048	>	CompletableFuture<Integer>[] fs
3049	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3050	>	for (int i = 0; i < k; i++)
3051	>	fs[i] = new CompletableFuture<>();
3052	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3053	>	for (int i = 0; i < k; i++) {
3054	>	checkIncomplete(f);
3055	>	checkIncomplete(CompletableFuture.allOf(fs));
3056	>	fs[i].complete(one);
3057	>	}
3058	>	checkCompletedNormally(f, null);
3059	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3060	>	}
3061	>	}
3062	>
3063	>	public void testAllOf_backwards() throws Exception {
3064	>	for (int k = 1; k < 10; k++) {
3065	>	CompletableFuture<Integer>[] fs
3066	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3067	>	for (int i = 0; i < k; i++)
3068		fs[i] = new CompletableFuture<>();
3069		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3070	<	for (int i = 0; i < k; ++i) {
3070	>	for (int i = k - 1; i >= 0; i--) {
3071		checkIncomplete(f);
3072		checkIncomplete(CompletableFuture.allOf(fs));
3073		fs[i].complete(one);
#	Line 2978 | Line 3077 | public class CompletableFutureTest exten
3077		}
3078		}
3079
3080	+	public void testAllOf_exceptional() throws Exception {
3081	+	for (int k = 1; k < 10; k++) {
3082	+	CompletableFuture<Integer>[] fs
3083	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3084	+	CFException ex = new CFException();
3085	+	for (int i = 0; i < k; i++)
3086	+	fs[i] = new CompletableFuture<>();
3087	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3088	+	for (int i = 0; i < k; i++) {
3089	+	checkIncomplete(f);
3090	+	checkIncomplete(CompletableFuture.allOf(fs));
3091	+	if (i != k / 2) {
3092	+	fs[i].complete(i);
3093	+	checkCompletedNormally(fs[i], i);
3094	+	} else {
3095	+	fs[i].completeExceptionally(ex);
3096	+	checkCompletedExceptionally(fs[i], ex);
3097	+	}
3098	+	}
3099	+	checkCompletedWithWrappedException(f, ex);
3100	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3101	+	}
3102	+	}
3103	+
3104		/**
3105		* anyOf(no component futures) returns an incomplete future
3106		*/
3107		public void testAnyOf_empty() throws Exception {
3108	+	for (Integer v1 : new Integer[] { 1, null })
3109	+	{
3110		CompletableFuture<Object> f = CompletableFuture.anyOf();
3111		checkIncomplete(f);
3112	<	}
3112	>
3113	>	f.complete(v1);
3114	>	checkCompletedNormally(f, v1);
3115	>	}}
3116
3117		/**
3118		* anyOf returns a future completed normally with a value when
3119		* a component future does
3120		*/
3121		public void testAnyOf_normal() throws Exception {
3122	<	for (int k = 0; k < 10; ++k) {
3122	>	for (int k = 0; k < 10; k++) {
3123		CompletableFuture[] fs = new CompletableFuture[k];
3124	<	for (int i = 0; i < k; ++i)
3124	>	for (int i = 0; i < k; i++)
3125		fs[i] = new CompletableFuture<>();
3126		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3127		checkIncomplete(f);
3128	<	for (int i = 0; i < k; ++i) {
3129	<	fs[i].complete(one);
3130	<	checkCompletedNormally(f, one);
3131	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3128	>	for (int i = 0; i < k; i++) {
3129	>	fs[i].complete(i);
3130	>	checkCompletedNormally(f, 0);
3131	>	int x = (int) CompletableFuture.anyOf(fs).join();
3132	>	assertTrue(0 <= x && x <= i);
3133	>	}
3134	>	}
3135	>	}
3136	>	public void testAnyOf_normal_backwards() throws Exception {
3137	>	for (int k = 0; k < 10; k++) {
3138	>	CompletableFuture[] fs = new CompletableFuture[k];
3139	>	for (int i = 0; i < k; i++)
3140	>	fs[i] = new CompletableFuture<>();
3141	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3142	>	checkIncomplete(f);
3143	>	for (int i = k - 1; i >= 0; i--) {
3144	>	fs[i].complete(i);
3145	>	checkCompletedNormally(f, k - 1);
3146	>	int x = (int) CompletableFuture.anyOf(fs).join();
3147	>	assertTrue(i <= x && x <= k - 1);
3148		}
3149		}
3150		}
#	Line 3009 | Line 3153 | public class CompletableFutureTest exten
3153		* anyOf result completes exceptionally when any component does.
3154		*/
3155		public void testAnyOf_exceptional() throws Exception {
3156	<	for (int k = 0; k < 10; ++k) {
3156	>	for (int k = 0; k < 10; k++) {
3157		CompletableFuture[] fs = new CompletableFuture[k];
3158	<	for (int i = 0; i < k; ++i)
3158	>	CFException[] exs = new CFException[k];
3159	>	for (int i = 0; i < k; i++) {
3160		fs[i] = new CompletableFuture<>();
3161	+	exs[i] = new CFException();
3162	+	}
3163	+	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3164	+	checkIncomplete(f);
3165	+	for (int i = 0; i < k; i++) {
3166	+	fs[i].completeExceptionally(exs[i]);
3167	+	checkCompletedWithWrappedException(f, exs[0]);
3168	+	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3169	+	}
3170	+	}
3171	+	}
3172	+
3173	+	public void testAnyOf_exceptional_backwards() throws Exception {
3174	+	for (int k = 0; k < 10; k++) {
3175	+	CompletableFuture[] fs = new CompletableFuture[k];
3176	+	CFException[] exs = new CFException[k];
3177	+	for (int i = 0; i < k; i++) {
3178	+	fs[i] = new CompletableFuture<>();
3179	+	exs[i] = new CFException();
3180	+	}
3181		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3182		checkIncomplete(f);
3183	<	for (int i = 0; i < k; ++i) {
3184	<	fs[i].completeExceptionally(new CFException());
3185	<	checkCompletedWithWrappedCFException(f);
3183	>	for (int i = k - 1; i >= 0; i--) {
3184	>	fs[i].completeExceptionally(exs[i]);
3185	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3186		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3187		}
3188		}
#	Line 3030 | Line 3195 | public class CompletableFutureTest exten
3195		CompletableFuture<Integer> f = new CompletableFuture<>();
3196		CompletableFuture<Integer> g = new CompletableFuture<>();
3197		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3033	–	CompletableFuture<?> h;
3198		ThreadExecutor exec = new ThreadExecutor();
3199
3200		Runnable[] throwingActions = {
3201		() -> CompletableFuture.supplyAsync(null),
3202		() -> CompletableFuture.supplyAsync(null, exec),
3203	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3203	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3204
3205		() -> CompletableFuture.runAsync(null),
3206		() -> CompletableFuture.runAsync(null, exec),
#	Line 3109 | Line 3273 | public class CompletableFutureTest exten
3273
3274		() -> f.thenCompose(null),
3275		() -> f.thenComposeAsync(null),
3276	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3276	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3277		() -> f.thenComposeAsync(null, exec),
3278
3279		() -> f.exceptionally(null),
#	Line 3127 | Line 3291 | public class CompletableFutureTest exten
3291		() -> CompletableFuture.anyOf(null, f),
3292
3293		() -> f.obtrudeException(null),
3294	+
3295	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3296	+	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3297	+	() -> CompletableFuture.delayedExecutor(1L, null),
3298	+
3299	+	() -> f.orTimeout(1L, null),
3300	+	() -> f.completeOnTimeout(42, 1L, null),
3301	+
3302	+	() -> CompletableFuture.failedFuture(null),
3303	+	() -> CompletableFuture.failedStage(null),
3304		};
3305
3306		assertThrows(NullPointerException.class, throwingActions);
#	Line 3141 | Line 3315 | public class CompletableFutureTest exten
3315		assertSame(f, f.toCompletableFuture());
3316		}
3317
3318	+	// jdk9
3319	+
3320		/**
3321	<	* whenComplete action executes on normal completion, propagating
3146	<	* source result.
3321	>	* newIncompleteFuture returns an incomplete CompletableFuture
3322		*/
3323	<	public void testWhenComplete1() {
3324	<	final AtomicInteger a = new AtomicInteger();
3323	>	public void testNewIncompleteFuture() {
3324	>	for (Integer v1 : new Integer[] { 1, null })
3325	>	{
3326		CompletableFuture<Integer> f = new CompletableFuture<>();
3327	<	CompletableFuture<Integer> g =
3328	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3329	<	f.complete(three);
3330	<	checkCompletedNormally(f, three);
3331	<	checkCompletedNormally(g, three);
3332	<	assertEquals(a.get(), 1);
3327	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3328	>	checkIncomplete(f);
3329	>	checkIncomplete(g);
3330	>	f.complete(v1);
3331	>	checkCompletedNormally(f, v1);
3332	>	checkIncomplete(g);
3333	>	g.complete(v1);
3334	>	checkCompletedNormally(g, v1);
3335	>	assertSame(g.getClass(), CompletableFuture.class);
3336	>	}}
3337	>
3338	>	/**
3339	>	* completedStage returns a completed CompletionStage
3340	>	*/
3341	>	public void testCompletedStage() {
3342	>	AtomicInteger x = new AtomicInteger(0);
3343	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3344	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3345	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3346	>	assertEquals(x.get(), 1);
3347	>	assertNull(r.get());
3348		}
3349
3350		/**
3351	<	* whenComplete action executes on exceptional completion, propagating
3352	<	* source result.
3351	>	* defaultExecutor by default returns the commonPool if
3352	>	* it supports more than one thread.
3353		*/
3354	<	public void testWhenComplete2() {
3164	<	final AtomicInteger a = new AtomicInteger();
3354	>	public void testDefaultExecutor() {
3355		CompletableFuture<Integer> f = new CompletableFuture<>();
3356	<	CompletableFuture<Integer> g =
3357	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3358	<	f.completeExceptionally(new CFException());
3359	<	assertTrue(f.isCompletedExceptionally());
3360	<	assertTrue(g.isCompletedExceptionally());
3361	<	assertEquals(a.get(), 1);
3356	>	Executor e = f.defaultExecutor();
3357	>	Executor c = ForkJoinPool.commonPool();
3358	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3359	>	assertSame(e, c);
3360	>	else
3361	>	assertNotSame(e, c);
3362		}
3363
3364		/**
3365	<	* If a whenComplete action throws an exception when triggered by
3366	<	* a normal completion, it completes exceptionally
3365	>	* failedFuture returns a CompletableFuture completed
3366	>	* exceptionally with the given Exception
3367		*/
3368	<	public void testWhenComplete3() {
3369	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3370	<	CompletableFuture<Integer> g =
3371	<	f.whenComplete((Integer x, Throwable t) ->
3182	<	{ throw new CFException(); } );
3183	<	f.complete(three);
3184	<	checkCompletedNormally(f, three);
3185	<	assertTrue(g.isCompletedExceptionally());
3186	<	checkCompletedWithWrappedCFException(g);
3368	>	public void testFailedFuture() {
3369	>	CFException ex = new CFException();
3370	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3371	>	checkCompletedExceptionally(f, ex);
3372		}
3373
3374		/**
3375	<	* whenCompleteAsync action executes on normal completion, propagating
3191	<	* source result.
3375	>	* failedFuture(null) throws NPE
3376		*/
3377	<	public void testWhenCompleteAsync1() {
3378	<	final AtomicInteger a = new AtomicInteger();
3379	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3380	<	CompletableFuture<Integer> g =
3381	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3198	<	f.complete(three);
3199	<	checkCompletedNormally(f, three);
3200	<	checkCompletedNormally(g, three);
3201	<	assertEquals(a.get(), 1);
3377	>	public void testFailedFuture_null() {
3378	>	try {
3379	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3380	>	shouldThrow();
3381	>	} catch (NullPointerException success) {}
3382		}
3383
3384		/**
3385	<	* whenCompleteAsync action executes on exceptional completion, propagating
3386	<	* source result.
3385	>	* copy returns a CompletableFuture that is completed normally,
3386	>	* with the same value, when source is.
3387		*/
3388	<	public void testWhenCompleteAsync2() {
3209	<	final AtomicInteger a = new AtomicInteger();
3388	>	public void testCopy() {
3389		CompletableFuture<Integer> f = new CompletableFuture<>();
3390	<	CompletableFuture<Integer> g =
3391	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3392	<	f.completeExceptionally(new CFException());
3393	<	checkCompletedWithWrappedCFException(f);
3394	<	checkCompletedWithWrappedCFException(g);
3390	>	CompletableFuture<Integer> g = f.copy();
3391	>	checkIncomplete(f);
3392	>	checkIncomplete(g);
3393	>	f.complete(1);
3394	>	checkCompletedNormally(f, 1);
3395	>	checkCompletedNormally(g, 1);
3396		}
3397
3398		/**
3399	<	* If a whenCompleteAsync action throws an exception when
3400	<	* triggered by a normal completion, it completes exceptionally
3399	>	* copy returns a CompletableFuture that is completed exceptionally
3400	>	* when source is.
3401		*/
3402	<	public void testWhenCompleteAsync3() {
3402	>	public void testCopy2() {
3403		CompletableFuture<Integer> f = new CompletableFuture<>();
3404	<	CompletableFuture<Integer> g =
3405	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3406	<	{ throw new CFException(); } );
3407	<	f.complete(three);
3408	<	checkCompletedNormally(f, three);
3409	<	checkCompletedWithWrappedCFException(g);
3404	>	CompletableFuture<Integer> g = f.copy();
3405	>	checkIncomplete(f);
3406	>	checkIncomplete(g);
3407	>	CFException ex = new CFException();
3408	>	f.completeExceptionally(ex);
3409	>	checkCompletedExceptionally(f, ex);
3410	>	checkCompletedWithWrappedException(g, ex);
3411		}
3412
3413		/**
3414	<	* whenCompleteAsync action executes on normal completion, propagating
3415	<	* source result.
3414	>	* minimalCompletionStage returns a CompletableFuture that is
3415	>	* completed normally, with the same value, when source is.
3416		*/
3417	<	public void testWhenCompleteAsync1e() {
3237	<	final AtomicInteger a = new AtomicInteger();
3238	<	ThreadExecutor exec = new ThreadExecutor();
3417	>	public void testMinimalCompletionStage() {
3418		CompletableFuture<Integer> f = new CompletableFuture<>();
3419	<	CompletableFuture<Integer> g =
3420	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3421	<	exec);
3422	<	f.complete(three);
3423	<	checkCompletedNormally(f, three);
3424	<	checkCompletedNormally(g, three);
3425	<	assertEquals(a.get(), 1);
3419	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3420	>	AtomicInteger x = new AtomicInteger(0);
3421	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3422	>	checkIncomplete(f);
3423	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3424	>	f.complete(1);
3425	>	checkCompletedNormally(f, 1);
3426	>	assertEquals(x.get(), 1);
3427	>	assertNull(r.get());
3428		}
3429
3430		/**
3431	<	* whenCompleteAsync action executes on exceptional completion, propagating
3432	<	* source result.
3431	>	* minimalCompletionStage returns a CompletableFuture that is
3432	>	* completed exceptionally when source is.
3433		*/
3434	<	public void testWhenCompleteAsync2e() {
3254	<	final AtomicInteger a = new AtomicInteger();
3255	<	ThreadExecutor exec = new ThreadExecutor();
3434	>	public void testMinimalCompletionStage2() {
3435		CompletableFuture<Integer> f = new CompletableFuture<>();
3436	<	CompletableFuture<Integer> g =
3437	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3438	<	exec);
3439	<	f.completeExceptionally(new CFException());
3440	<	checkCompletedWithWrappedCFException(f);
3441	<	checkCompletedWithWrappedCFException(g);
3436	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3437	>	AtomicInteger x = new AtomicInteger(0);
3438	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3439	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3440	>	checkIncomplete(f);
3441	>	CFException ex = new CFException();
3442	>	f.completeExceptionally(ex);
3443	>	checkCompletedExceptionally(f, ex);
3444	>	assertEquals(x.get(), 0);
3445	>	assertEquals(r.get().getCause(), ex);
3446		}
3447
3448		/**
3449	<	* If a whenCompleteAsync action throws an exception when triggered
3450	<	* by a normal completion, it completes exceptionally
3449	>	* failedStage returns a CompletionStage completed
3450	>	* exceptionally with the given Exception
3451		*/
3452	<	public void testWhenCompleteAsync3e() {
3453	<	ThreadExecutor exec = new ThreadExecutor();
3452	>	public void testFailedStage() {
3453	>	CFException ex = new CFException();
3454	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3455	>	AtomicInteger x = new AtomicInteger(0);
3456	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3457	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3458	>	assertEquals(x.get(), 0);
3459	>	assertEquals(r.get(), ex);
3460	>	}
3461	>
3462	>	/**
3463	>	* completeAsync completes with value of given supplier
3464	>	*/
3465	>	public void testCompleteAsync() {
3466	>	for (Integer v1 : new Integer[] { 1, null })
3467	>	{
3468		CompletableFuture<Integer> f = new CompletableFuture<>();
3469	<	CompletableFuture<Integer> g =
3470	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3471	<	{ throw new CFException(); },
3472	<	exec);
3473	<	f.complete(three);
3474	<	checkCompletedNormally(f, three);
3475	<	checkCompletedWithWrappedCFException(g);
3469	>	f.completeAsync(() -> v1);
3470	>	f.join();
3471	>	checkCompletedNormally(f, v1);
3472	>	}}
3473	>
3474	>	/**
3475	>	* completeAsync completes exceptionally if given supplier throws
3476	>	*/
3477	>	public void testCompleteAsync2() {
3478	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3479	>	CFException ex = new CFException();
3480	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3481	>	try {
3482	>	f.join();
3483	>	shouldThrow();
3484	>	} catch (CompletionException success) {}
3485	>	checkCompletedWithWrappedException(f, ex);
3486		}
3487
3488		/**
3489	<	* handleAsync action completes normally with function value on
3283	<	* either normal or exceptional completion of source
3489	>	* completeAsync with given executor completes with value of given supplier
3490		*/
3491	<	public void testHandleAsync() {
3492	<	CompletableFuture<Integer> f, g;
3493	<	IntegerHandler r;
3491	>	public void testCompleteAsync3() {
3492	>	for (Integer v1 : new Integer[] { 1, null })
3493	>	{
3494	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3495	>	ThreadExecutor executor = new ThreadExecutor();
3496	>	f.completeAsync(() -> v1, executor);
3497	>	assertSame(v1, f.join());
3498	>	checkCompletedNormally(f, v1);
3499	>	assertEquals(1, executor.count.get());
3500	>	}}
3501
3502	<	f = new CompletableFuture<>();
3503	<	g = f.handleAsync(r = new IntegerHandler());
3504	<	assertFalse(r.ran);
3505	<	f.completeExceptionally(new CFException());
3506	<	checkCompletedWithWrappedCFException(f);
3507	<	checkCompletedNormally(g, three);
3508	<	assertTrue(r.ran);
3502	>	/**
3503	>	* completeAsync with given executor completes exceptionally if
3504	>	* given supplier throws
3505	>	*/
3506	>	public void testCompleteAsync4() {
3507	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3508	>	CFException ex = new CFException();
3509	>	ThreadExecutor executor = new ThreadExecutor();
3510	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3511	>	try {
3512	>	f.join();
3513	>	shouldThrow();
3514	>	} catch (CompletionException success) {}
3515	>	checkCompletedWithWrappedException(f, ex);
3516	>	assertEquals(1, executor.count.get());
3517	>	}
3518
3519	<	f = new CompletableFuture<>();
3520	<	g = f.handleAsync(r = new IntegerHandler());
3521	<	assertFalse(r.ran);
3522	<	f.completeExceptionally(new CFException());
3523	<	checkCompletedWithWrappedCFException(f);
3524	<	checkCompletedNormally(g, three);
3525	<	assertTrue(r.ran);
3519	>	/**
3520	>	* orTimeout completes with TimeoutException if not complete
3521	>	*/
3522	>	public void testOrTimeout_timesOut() {
3523	>	long timeoutMillis = timeoutMillis();
3524	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3525	>	long startTime = System.nanoTime();
3526	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3527	>	checkCompletedWithTimeoutException(f);
3528	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3529	>	}
3530
3531	<	f = new CompletableFuture<>();
3532	<	g = f.handleAsync(r = new IntegerHandler());
3533	<	assertFalse(r.ran);
3534	<	f.complete(one);
3535	<	checkCompletedNormally(f, one);
3536	<	checkCompletedNormally(g, two);
3537	<	assertTrue(r.ran);
3531	>	/**
3532	>	* orTimeout completes normally if completed before timeout
3533	>	*/
3534	>	public void testOrTimeout_completed() {
3535	>	for (Integer v1 : new Integer[] { 1, null })
3536	>	{
3537	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3538	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3539	>	long startTime = System.nanoTime();
3540	>	f.complete(v1);
3541	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3542	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3543	>	g.complete(v1);
3544	>	checkCompletedNormally(f, v1);
3545	>	checkCompletedNormally(g, v1);
3546	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3547	>	}}
3548
3549	<	f = new CompletableFuture<>();
3550	<	g = f.handleAsync(r = new IntegerHandler());
3551	<	assertFalse(r.ran);
3552	<	f.complete(one);
3553	<	checkCompletedNormally(f, one);
3554	<	checkCompletedNormally(g, two);
3555	<	assertTrue(r.ran);
3549	>	/**
3550	>	* completeOnTimeout completes with given value if not complete
3551	>	*/
3552	>	public void testCompleteOnTimeout_timesOut() {
3553	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3554	>	() -> testCompleteOnTimeout_timesOut(null));
3555	>	}
3556	>
3557	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3558	>	long timeoutMillis = timeoutMillis();
3559	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3560	>	long startTime = System.nanoTime();
3561	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3562	>	assertSame(v, f.join());
3563	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3564	>	f.complete(99);         // should have no effect
3565	>	checkCompletedNormally(f, v);
3566		}
3567
3568		/**
3569	<	* handleAsync action with Executor completes normally with
3324	<	* function value on either normal or exceptional completion of
3325	<	* source
3569	>	* completeOnTimeout has no effect if completed within timeout
3570		*/
3571	<	public void testHandleAsync2() {
3572	<	CompletableFuture<Integer> f, g;
3573	<	ThreadExecutor exec = new ThreadExecutor();
3574	<	IntegerHandler r;
3571	>	public void testCompleteOnTimeout_completed() {
3572	>	for (Integer v1 : new Integer[] { 1, null })
3573	>	{
3574	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3575	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3576	>	long startTime = System.nanoTime();
3577	>	f.complete(v1);
3578	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3579	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3580	>	g.complete(v1);
3581	>	checkCompletedNormally(f, v1);
3582	>	checkCompletedNormally(g, v1);
3583	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3584	>	}}
3585
3586	<	f = new CompletableFuture<>();
3587	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3588	<	assertFalse(r.ran);
3589	<	f.completeExceptionally(new CFException());
3590	<	checkCompletedWithWrappedCFException(f);
3591	<	checkCompletedNormally(g, three);
3592	<	assertTrue(r.ran);
3586	>	/**
3587	>	* delayedExecutor returns an executor that delays submission
3588	>	*/
3589	>	public void testDelayedExecutor() {
3590	>	testInParallel(() -> testDelayedExecutor(null, null),
3591	>	() -> testDelayedExecutor(null, 1),
3592	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3593	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3594	>	}
3595	>
3596	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3597	>	long timeoutMillis = timeoutMillis();
3598	>	// Use an "unreasonably long" long timeout to catch lingering threads
3599	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3600	>	final Executor delayer, longDelayer;
3601	>	if (executor == null) {
3602	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3603	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3604	>	} else {
3605	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3606	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3607	>	}
3608	>	long startTime = System.nanoTime();
3609	>	CompletableFuture<Integer> f =
3610	>	CompletableFuture.supplyAsync(() -> v, delayer);
3611	>	CompletableFuture<Integer> g =
3612	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3613
3614	<	f = new CompletableFuture<>();
3341	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3342	<	assertFalse(r.ran);
3343	<	f.completeExceptionally(new CFException());
3344	<	checkCompletedWithWrappedCFException(f);
3345	<	checkCompletedNormally(g, three);
3346	<	assertTrue(r.ran);
3614	>	assertNull(g.getNow(null));
3615
3616	<	f = new CompletableFuture<>();
3617	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3618	<	assertFalse(r.ran);
3619	<	f.complete(one);
3352	<	checkCompletedNormally(f, one);
3353	<	checkCompletedNormally(g, two);
3354	<	assertTrue(r.ran);
3616	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3617	>	long millisElapsed = millisElapsedSince(startTime);
3618	>	assertTrue(millisElapsed >= timeoutMillis);
3619	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3620
3621	<	f = new CompletableFuture<>();
3622	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3623	<	assertFalse(r.ran);
3624	<	f.complete(one);
3625	<	checkCompletedNormally(f, one);
3626	<	checkCompletedNormally(g, two);
3627	<	assertTrue(r.ran);
3621	>	checkCompletedNormally(f, v);
3622	>
3623	>	checkIncomplete(g);
3624	>	assertTrue(g.cancel(true));
3625	>	}
3626	>
3627	>	//--- tests of implementation details; not part of official tck ---
3628	>
3629	>	Object resultOf(CompletableFuture<?> f) {
3630	>	try {
3631	>	java.lang.reflect.Field resultField
3632	>	= CompletableFuture.class.getDeclaredField("result");
3633	>	resultField.setAccessible(true);
3634	>	return resultField.get(f);
3635	>	} catch (Throwable t) { throw new AssertionError(t); }
3636	>	}
3637	>
3638	>	public void testExceptionPropagationReusesResultObject() {
3639	>	if (!testImplementationDetails) return;
3640	>	for (ExecutionMode m : ExecutionMode.values())
3641	>	{
3642	>	final CFException ex = new CFException();
3643	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3644	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3645	>
3646	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3647	>	= new ArrayList<>();
3648	>
3649	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3650	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3651	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3652	>
3653	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3654	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3655	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3656	>
3657	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3658	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3659	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3660	>
3661	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3662	>
3663	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3664	>
3665	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3666	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3667	>
3668	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3669	>	fun : funs) {
3670	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3671	>	f.completeExceptionally(ex);
3672	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3673	>	checkCompletedWithWrappedException(src, ex);
3674	>	CompletableFuture<?> dep = fun.apply(src);
3675	>	checkCompletedWithWrappedException(dep, ex);
3676	>	assertSame(resultOf(src), resultOf(dep));
3677	>	}
3678	>
3679	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3680	>	fun : funs) {
3681	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3682	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3683	>	CompletableFuture<?> dep = fun.apply(src);
3684	>	f.completeExceptionally(ex);
3685	>	checkCompletedWithWrappedException(src, ex);
3686	>	checkCompletedWithWrappedException(dep, ex);
3687	>	assertSame(resultOf(src), resultOf(dep));
3688	>	}
3689	>
3690	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3691	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3692	>	fun : funs) {
3693	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3694	>	f.cancel(mayInterruptIfRunning);
3695	>	checkCancelled(f);
3696	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3697	>	checkCompletedWithWrappedCancellationException(src);
3698	>	CompletableFuture<?> dep = fun.apply(src);
3699	>	checkCompletedWithWrappedCancellationException(dep);
3700	>	assertSame(resultOf(src), resultOf(dep));
3701	>	}
3702	>
3703	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3704	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3705	>	fun : funs) {
3706	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3707	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3708	>	CompletableFuture<?> dep = fun.apply(src);
3709	>	f.cancel(mayInterruptIfRunning);
3710	>	checkCancelled(f);
3711	>	checkCompletedWithWrappedCancellationException(src);
3712	>	checkCompletedWithWrappedCancellationException(dep);
3713	>	assertSame(resultOf(src), resultOf(dep));
3714	>	}
3715	>	}}
3716	>
3717	>	/**
3718	>	* Minimal completion stages throw UOE for all non-CompletionStage methods
3719	>	*/
3720	>	public void testMinimalCompletionStage_minimality() {
3721	>	if (!testImplementationDetails) return;
3722	>	Function<Method, String> toSignature =
3723	>	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3724	>	Predicate<Method> isNotStatic =
3725	>	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3726	>	List<Method> minimalMethods =
3727	>	Stream.of(Object.class, CompletionStage.class)
3728	>	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3729	>	.filter(isNotStatic)
3730	>	.collect(Collectors.toList());
3731	>	// Methods from CompletableFuture permitted NOT to throw UOE
3732	>	String[] signatureWhitelist = {
3733	>	"newIncompleteFuture[]",
3734	>	"defaultExecutor[]",
3735	>	"minimalCompletionStage[]",
3736	>	"copy[]",
3737	>	};
3738	>	Set<String> permittedMethodSignatures =
3739	>	Stream.concat(minimalMethods.stream().map(toSignature),
3740	>	Stream.of(signatureWhitelist))
3741	>	.collect(Collectors.toSet());
3742	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3743	>	.filter(isNotStatic)
3744	>	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3745	>	.collect(Collectors.toList());
3746	>
3747	>	CompletionStage<Integer> minimalStage =
3748	>	new CompletableFuture<Integer>().minimalCompletionStage();
3749	>
3750	>	List<Method> bugs = new ArrayList<>();
3751	>	for (Method method : allMethods) {
3752	>	Class<?>[] parameterTypes = method.getParameterTypes();
3753	>	Object[] args = new Object[parameterTypes.length];
3754	>	// Manufacture boxed primitives for primitive params
3755	>	for (int i = 0; i < args.length; i++) {
3756	>	Class<?> type = parameterTypes[i];
3757	>	if (parameterTypes[i] == boolean.class)
3758	>	args[i] = false;
3759	>	else if (parameterTypes[i] == int.class)
3760	>	args[i] = 0;
3761	>	else if (parameterTypes[i] == long.class)
3762	>	args[i] = 0L;
3763	>	}
3764	>	try {
3765	>	method.invoke(minimalStage, args);
3766	>	bugs.add(method);
3767	>	}
3768	>	catch (java.lang.reflect.InvocationTargetException expected) {
3769	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3770	>	bugs.add(method);
3771	>	// expected.getCause().printStackTrace();
3772	>	}
3773	>	}
3774	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3775	>	}
3776	>	if (!bugs.isEmpty())
3777	>	throw new Error("Methods did not throw UOE: " + bugs.toString());
3778		}
3779
3780	+	static class Monad {
3781	+	static class ZeroException extends RuntimeException {
3782	+	public ZeroException() { super("monadic zero"); }
3783	+	}
3784	+	// "return", "unit"
3785	+	static <T> CompletableFuture<T> unit(T value) {
3786	+	return completedFuture(value);
3787	+	}
3788	+	// monadic zero ?
3789	+	static <T> CompletableFuture<T> zero() {
3790	+	return failedFuture(new ZeroException());
3791	+	}
3792	+	// >=>
3793	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3794	+	(Function<T, CompletableFuture<U>> f,
3795	+	Function<U, CompletableFuture<V>> g) {
3796	+	return (x) -> f.apply(x).thenCompose(g);
3797	+	}
3798	+
3799	+	static void assertZero(CompletableFuture<?> f) {
3800	+	try {
3801	+	f.getNow(null);
3802	+	throw new AssertionFailedError("should throw");
3803	+	} catch (CompletionException success) {
3804	+	assertTrue(success.getCause() instanceof ZeroException);
3805	+	}
3806	+	}
3807	+
3808	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
3809	+	CompletableFuture<T> g) {
3810	+	T fval = null, gval = null;
3811	+	Throwable fex = null, gex = null;
3812	+
3813	+	try { fval = f.get(); }
3814	+	catch (ExecutionException ex) { fex = ex.getCause(); }
3815	+	catch (Throwable ex) { fex = ex; }
3816	+
3817	+	try { gval = g.get(); }
3818	+	catch (ExecutionException ex) { gex = ex.getCause(); }
3819	+	catch (Throwable ex) { gex = ex; }
3820	+
3821	+	if (fex != null || gex != null)
3822	+	assertSame(fex.getClass(), gex.getClass());
3823	+	else
3824	+	assertEquals(fval, gval);
3825	+	}
3826	+
3827	+	static class PlusFuture<T> extends CompletableFuture<T> {
3828	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3829	+	}
3830	+
3831	+	/** Implements "monadic plus". */
3832	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3833	+	CompletableFuture<? extends T> g) {
3834	+	PlusFuture<T> plus = new PlusFuture<T>();
3835	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3836	+	try {
3837	+	if (ex == null) {
3838	+	if (plus.complete(result))
3839	+	if (plus.firstFailure.get() != null)
3840	+	plus.firstFailure.set(null);
3841	+	}
3842	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
3843	+	if (plus.isDone())
3844	+	plus.firstFailure.set(null);
3845	+	}
3846	+	else {
3847	+	// first failure has precedence
3848	+	Throwable first = plus.firstFailure.getAndSet(null);
3849	+
3850	+	// may fail with "Self-suppression not permitted"
3851	+	try { first.addSuppressed(ex); }
3852	+	catch (Exception ignored) {}
3853	+
3854	+	plus.completeExceptionally(first);
3855	+	}
3856	+	} catch (Throwable unexpected) {
3857	+	plus.completeExceptionally(unexpected);
3858	+	}
3859	+	};
3860	+	f.whenComplete(action);
3861	+	g.whenComplete(action);
3862	+	return plus;
3863	+	}
3864	+	}
3865	+
3866	+	/**
3867	+	* CompletableFuture is an additive monad - sort of.
3868	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3869	+	*/
3870	+	public void testAdditiveMonad() throws Throwable {
3871	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3872	+	CompletableFuture<Long> zero = Monad.zero();
3873	+
3874	+	// Some mutually non-commutative functions
3875	+	Function<Long, CompletableFuture<Long>> triple
3876	+	= (x) -> Monad.unit(3 * x);
3877	+	Function<Long, CompletableFuture<Long>> inc
3878	+	= (x) -> Monad.unit(x + 1);
3879	+
3880	+	// unit is a right identity: m >>= unit === m
3881	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3882	+	inc.apply(5L));
3883	+	// unit is a left identity: (unit x) >>= f === f x
3884	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3885	+	inc.apply(5L));
3886	+
3887	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3888	+	Monad.assertFutureEquals(
3889	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3890	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3891	+
3892	+	// The case for CompletableFuture as an additive monad is weaker...
3893	+
3894	+	// zero is a monadic zero
3895	+	Monad.assertZero(zero);
3896	+
3897	+	// left zero: zero >>= f === zero
3898	+	Monad.assertZero(zero.thenCompose(inc));
3899	+	// right zero: f >>= (\x -> zero) === zero
3900	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3901	+
3902	+	// f plus zero === f
3903	+	Monad.assertFutureEquals(Monad.unit(5L),
3904	+	Monad.plus(Monad.unit(5L), zero));
3905	+	// zero plus f === f
3906	+	Monad.assertFutureEquals(Monad.unit(5L),
3907	+	Monad.plus(zero, Monad.unit(5L)));
3908	+	// zero plus zero === zero
3909	+	Monad.assertZero(Monad.plus(zero, zero));
3910	+	{
3911	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3912	+	Monad.unit(8L));
3913	+	// non-determinism
3914	+	assertTrue(f.get() == 5L || f.get() == 8L);
3915	+	}
3916	+
3917	+	CompletableFuture<Long> godot = new CompletableFuture<>();
3918	+	// f plus godot === f (doesn't wait for godot)
3919	+	Monad.assertFutureEquals(Monad.unit(5L),
3920	+	Monad.plus(Monad.unit(5L), godot));
3921	+	// godot plus f === f (doesn't wait for godot)
3922	+	Monad.assertFutureEquals(Monad.unit(5L),
3923	+	Monad.plus(godot, Monad.unit(5L)));
3924	+	}
3925	+
3926	+	//     static <U> U join(CompletionStage<U> stage) {
3927	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3928	+	//         stage.whenComplete((v, ex) -> {
3929	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3930	+	//         });
3931	+	//         return f.join();
3932	+	//     }
3933	+
3934	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
3935	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3936	+	//         stage.whenComplete((v, ex) -> {
3937	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3938	+	//         });
3939	+	//         return f.isDone();
3940	+	//     }
3941	+
3942	+	//     static <U> U join2(CompletionStage<U> stage) {
3943	+	//         return stage.toCompletableFuture().copy().join();
3944	+	//     }
3945	+
3946	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3947	+	//         return stage.toCompletableFuture().copy().isDone();
3948	+	//     }
3949	+
3950		}

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