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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.33 by jsr166, Sun Jun 1 20:40:13 2014 UTC vs.
Revision 1.151 by jsr166, Sun Jun 26 17:45:35 2016 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);
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	<	* supplyAsync completes with result of supplier
426	<	*/
427	<	public void testSupplyAsync() {
428	<	CompletableFuture<Integer> f;
429	<	f = CompletableFuture.supplyAsync(supplyOne);
500	<	assertEquals(f.join(), one);
501	<	checkCompletedNormally(f, one);
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	<	* supplyAsync with executor completes with result of supplier
434	<	*/
435	<	public void testSupplyAsync2() {
436	<	CompletableFuture<Integer> f;
437	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
438	<	assertEquals(f.join(), one);
439	<	checkCompletedNormally(f, one);
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	<	* Failing supplyAsync completes exceptionally
444	<	*/
445	<	public void testSupplyAsync3() {
446	<	FailingSupplier r = new FailingSupplier();
447	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
448	<	checkCompletedWithWrappedCFException(f);
449	<	assertTrue(r.ran);
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	<	// seq completion methods
453	<
454	<	/**
455	<	* thenRun result completes normally after normal completion of source
456	<	*/
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);
452	>	class Noop extends CheckedAction implements Runnable {
453	>	Noop(ExecutionMode m) { super(m); }
454	>	public void run() {
455	>	invoked();
456	>	}
457		}
458
459	<	/**
460	<	* thenRun result completes exceptionally after exceptional
461	<	* completion of source
462	<	*/
463	<	public void testThenRun2() {
464	<	CompletableFuture<Integer> f;
465	<	CompletableFuture<Void> g;
466	<	Noop r;
467	<
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);
459	>	class FailingSupplier extends CheckedAction
460	>	implements Supplier<Integer>
461	>	{
462	>	final CFException ex;
463	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
464	>	public Integer get() {
465	>	invoked();
466	>	throw ex;
467	>	}
468		}
469
470	<	/**
471	<	* thenRun result completes exceptionally if action does
472	<	*/
473	<	public void testThenRun3() {
474	<	CompletableFuture<Integer> f;
475	<	CompletableFuture<Void> g;
476	<	FailingNoop r;
477	<
478	<	f = new CompletableFuture<>();
479	<	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);
470	>	class FailingConsumer extends CheckedIntegerAction
471	>	implements Consumer<Integer>
472	>	{
473	>	final CFException ex;
474	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
475	>	public void accept(Integer x) {
476	>	invoked();
477	>	value = x;
478	>	throw ex;
479	>	}
480		}
481
482	<	/**
483	<	* thenRun result completes exceptionally if source cancelled
484	<	*/
485	<	public void testThenRun4() {
486	<	CompletableFuture<Integer> f;
487	<	CompletableFuture<Void> g;
488	<	Noop r;
489	<
490	<	f = new CompletableFuture<>();
491	<	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);
482	>	class FailingBiConsumer extends CheckedIntegerAction
483	>	implements BiConsumer<Integer, Integer>
484	>	{
485	>	final CFException ex;
486	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
487	>	public void accept(Integer x, Integer y) {
488	>	invoked();
489	>	value = subtract(x, y);
490	>	throw ex;
491	>	}
492		}
493
494	<	/**
495	<	* thenApply result completes normally after normal completion of source
496	<	*/
497	<	public void testThenApply() {
498	<	CompletableFuture<Integer> f = new CompletableFuture<>();
499	<	CompletableFuture<Integer> g = f.thenApply(inc);
500	<	f.complete(one);
501	<	checkCompletedNormally(g, two);
494	>	class FailingFunction extends CheckedIntegerAction
495	>	implements Function<Integer, Integer>
496	>	{
497	>	final CFException ex;
498	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
499	>	public Integer apply(Integer x) {
500	>	invoked();
501	>	value = x;
502	>	throw ex;
503	>	}
504		}
505
506	<	/**
507	<	* thenApply result completes exceptionally after exceptional
508	<	* completion of source
509	<	*/
510	<	public void testThenApply2() {
511	<	CompletableFuture<Integer> f = new CompletableFuture<>();
512	<	CompletableFuture<Integer> g = f.thenApply(inc);
513	<	f.completeExceptionally(new CFException());
514	<	checkCompletedWithWrappedCFException(g);
506	>	class FailingBiFunction extends CheckedIntegerAction
507	>	implements BiFunction<Integer, Integer, Integer>
508	>	{
509	>	final CFException ex;
510	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
511	>	public Integer apply(Integer x, Integer y) {
512	>	invoked();
513	>	value = subtract(x, y);
514	>	throw ex;
515	>	}
516		}
517
518	<	/**
519	<	* thenApply result completes exceptionally if action does
520	<	*/
521	<	public void testThenApply3() {
522	<	CompletableFuture<Integer> f = new CompletableFuture<>();
523	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
524	<	f.complete(one);
635	<	checkCompletedWithWrappedCFException(g);
518	>	class FailingRunnable extends CheckedAction implements Runnable {
519	>	final CFException ex;
520	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
521	>	public void run() {
522	>	invoked();
523	>	throw ex;
524	>	}
525		}
526
527	<	/**
528	<	* thenApply result completes exceptionally if source cancelled
529	<	*/
530	<	public void testThenApply4() {
531	<	CompletableFuture<Integer> f = new CompletableFuture<>();
532	<	CompletableFuture<Integer> g = f.thenApply(inc);
533	<	assertTrue(f.cancel(true));
534	<	checkCompletedWithWrappedCancellationException(g);
527	>	class CompletableFutureInc extends CheckedIntegerAction
528	>	implements Function<Integer, CompletableFuture<Integer>>
529	>	{
530	>	CompletableFutureInc(ExecutionMode m) { super(m); }
531	>	public CompletableFuture<Integer> apply(Integer x) {
532	>	invoked();
533	>	value = x;
534	>	CompletableFuture<Integer> f = new CompletableFuture<>();
535	>	assertTrue(f.complete(inc(x)));
536	>	return f;
537	>	}
538		}
539
540	<	/**
541	<	* thenAccept result completes normally after normal completion of source
542	<	*/
543	<	public void testThenAccept() {
544	<	CompletableFuture<Integer> f = new CompletableFuture<>();
545	<	IncAction r = new IncAction();
546	<	CompletableFuture<Void> g = f.thenAccept(r);
547	<	f.complete(one);
548	<	checkCompletedNormally(g, null);
549	<	assertEquals(r.value, 2);
540	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
541	>	implements Function<Integer, CompletableFuture<Integer>>
542	>	{
543	>	final CFException ex;
544	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
545	>	public CompletableFuture<Integer> apply(Integer x) {
546	>	invoked();
547	>	value = x;
548	>	throw ex;
549	>	}
550		}
551
552	<	/**
553	<	* thenAccept result completes exceptionally after exceptional
554	<	* completion of source
555	<	*/
556	<	public void testThenAccept2() {
557	<	CompletableFuture<Integer> f = new CompletableFuture<>();
558	<	IncAction r = new IncAction();
667	<	CompletableFuture<Void> g = f.thenAccept(r);
668	<	f.completeExceptionally(new CFException());
669	<	checkCompletedWithWrappedCFException(g);
670	<	}
552	>	// Used for explicit executor tests
553	>	static final class ThreadExecutor implements Executor {
554	>	final AtomicInteger count = new AtomicInteger(0);
555	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
556	>	static boolean startedCurrentThread() {
557	>	return Thread.currentThread().getThreadGroup() == tg;
558	>	}
559
560	<	/**
561	<	* thenAccept result completes exceptionally if action does
562	<	*/
563	<	public void testThenAccept3() {
676	<	CompletableFuture<Integer> f = new CompletableFuture<>();
677	<	FailingConsumer r = new FailingConsumer();
678	<	CompletableFuture<Void> g = f.thenAccept(r);
679	<	f.complete(one);
680	<	checkCompletedWithWrappedCFException(g);
681	<	assertTrue(r.ran);
560	>	public void execute(Runnable r) {
561	>	count.getAndIncrement();
562	>	new Thread(tg, r).start();
563	>	}
564		}
565
566	<	/**
567	<	* thenAccept result completes exceptionally if source cancelled
686	<	*/
687	<	public void testThenAccept4() {
688	<	CompletableFuture<Integer> f = new CompletableFuture<>();
689	<	IncAction r = new IncAction();
690	<	CompletableFuture<Void> g = f.thenAccept(r);
691	<	assertTrue(f.cancel(true));
692	<	checkCompletedWithWrappedCancellationException(g);
693	<	}
566	>	static final boolean defaultExecutorIsCommonPool
567	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
568
569		/**
570	<	* thenCombine result completes normally after normal completion
571	<	* of sources
570	>	* Permits the testing of parallel code for the 3 different
571	>	* execution modes without copy/pasting all the test methods.
572		*/
573	<	public void testThenCombine() {
574	<	CompletableFuture<Integer> f, g, h;
573	>	enum ExecutionMode {
574	>	SYNC {
575	>	public void checkExecutionMode() {
576	>	assertFalse(ThreadExecutor.startedCurrentThread());
577	>	assertNull(ForkJoinTask.getPool());
578	>	}
579	>	public CompletableFuture<Void> runAsync(Runnable a) {
580	>	throw new UnsupportedOperationException();
581	>	}
582	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
583	>	throw new UnsupportedOperationException();
584	>	}
585	>	public <T> CompletableFuture<Void> thenRun
586	>	(CompletableFuture<T> f, Runnable a) {
587	>	return f.thenRun(a);
588	>	}
589	>	public <T> CompletableFuture<Void> thenAccept
590	>	(CompletableFuture<T> f, Consumer<? super T> a) {
591	>	return f.thenAccept(a);
592	>	}
593	>	public <T,U> CompletableFuture<U> thenApply
594	>	(CompletableFuture<T> f, Function<? super T,U> a) {
595	>	return f.thenApply(a);
596	>	}
597	>	public <T,U> CompletableFuture<U> thenCompose
598	>	(CompletableFuture<T> f,
599	>	Function<? super T,? extends CompletionStage<U>> a) {
600	>	return f.thenCompose(a);
601	>	}
602	>	public <T,U> CompletableFuture<U> handle
603	>	(CompletableFuture<T> f,
604	>	BiFunction<? super T,Throwable,? extends U> a) {
605	>	return f.handle(a);
606	>	}
607	>	public <T> CompletableFuture<T> whenComplete
608	>	(CompletableFuture<T> f,
609	>	BiConsumer<? super T,? super Throwable> a) {
610	>	return f.whenComplete(a);
611	>	}
612	>	public <T,U> CompletableFuture<Void> runAfterBoth
613	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
614	>	return f.runAfterBoth(g, a);
615	>	}
616	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
617	>	(CompletableFuture<T> f,
618	>	CompletionStage<? extends U> g,
619	>	BiConsumer<? super T,? super U> a) {
620	>	return f.thenAcceptBoth(g, a);
621	>	}
622	>	public <T,U,V> CompletableFuture<V> thenCombine
623	>	(CompletableFuture<T> f,
624	>	CompletionStage<? extends U> g,
625	>	BiFunction<? super T,? super U,? extends V> a) {
626	>	return f.thenCombine(g, a);
627	>	}
628	>	public <T> CompletableFuture<Void> runAfterEither
629	>	(CompletableFuture<T> f,
630	>	CompletionStage<?> g,
631	>	java.lang.Runnable a) {
632	>	return f.runAfterEither(g, a);
633	>	}
634	>	public <T> CompletableFuture<Void> acceptEither
635	>	(CompletableFuture<T> f,
636	>	CompletionStage<? extends T> g,
637	>	Consumer<? super T> a) {
638	>	return f.acceptEither(g, a);
639	>	}
640	>	public <T,U> CompletableFuture<U> applyToEither
641	>	(CompletableFuture<T> f,
642	>	CompletionStage<? extends T> g,
643	>	Function<? super T,U> a) {
644	>	return f.applyToEither(g, a);
645	>	}
646	>	},
647
648	<	f = new CompletableFuture<>();
649	<	g = new CompletableFuture<>();
650	<	h = f.thenCombine(g, subtract);
651	<	f.complete(3);
652	<	checkIncomplete(h);
653	<	g.complete(1);
654	<	checkCompletedNormally(h, 2);
648	>	ASYNC {
649	>	public void checkExecutionMode() {
650	>	assertEquals(defaultExecutorIsCommonPool,
651	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
652	>	}
653	>	public CompletableFuture<Void> runAsync(Runnable a) {
654	>	return CompletableFuture.runAsync(a);
655	>	}
656	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
657	>	return CompletableFuture.supplyAsync(a);
658	>	}
659	>	public <T> CompletableFuture<Void> thenRun
660	>	(CompletableFuture<T> f, Runnable a) {
661	>	return f.thenRunAsync(a);
662	>	}
663	>	public <T> CompletableFuture<Void> thenAccept
664	>	(CompletableFuture<T> f, Consumer<? super T> a) {
665	>	return f.thenAcceptAsync(a);
666	>	}
667	>	public <T,U> CompletableFuture<U> thenApply
668	>	(CompletableFuture<T> f, Function<? super T,U> a) {
669	>	return f.thenApplyAsync(a);
670	>	}
671	>	public <T,U> CompletableFuture<U> thenCompose
672	>	(CompletableFuture<T> f,
673	>	Function<? super T,? extends CompletionStage<U>> a) {
674	>	return f.thenComposeAsync(a);
675	>	}
676	>	public <T,U> CompletableFuture<U> handle
677	>	(CompletableFuture<T> f,
678	>	BiFunction<? super T,Throwable,? extends U> a) {
679	>	return f.handleAsync(a);
680	>	}
681	>	public <T> CompletableFuture<T> whenComplete
682	>	(CompletableFuture<T> f,
683	>	BiConsumer<? super T,? super Throwable> a) {
684	>	return f.whenCompleteAsync(a);
685	>	}
686	>	public <T,U> CompletableFuture<Void> runAfterBoth
687	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
688	>	return f.runAfterBothAsync(g, a);
689	>	}
690	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
691	>	(CompletableFuture<T> f,
692	>	CompletionStage<? extends U> g,
693	>	BiConsumer<? super T,? super U> a) {
694	>	return f.thenAcceptBothAsync(g, a);
695	>	}
696	>	public <T,U,V> CompletableFuture<V> thenCombine
697	>	(CompletableFuture<T> f,
698	>	CompletionStage<? extends U> g,
699	>	BiFunction<? super T,? super U,? extends V> a) {
700	>	return f.thenCombineAsync(g, a);
701	>	}
702	>	public <T> CompletableFuture<Void> runAfterEither
703	>	(CompletableFuture<T> f,
704	>	CompletionStage<?> g,
705	>	java.lang.Runnable a) {
706	>	return f.runAfterEitherAsync(g, a);
707	>	}
708	>	public <T> CompletableFuture<Void> acceptEither
709	>	(CompletableFuture<T> f,
710	>	CompletionStage<? extends T> g,
711	>	Consumer<? super T> a) {
712	>	return f.acceptEitherAsync(g, a);
713	>	}
714	>	public <T,U> CompletableFuture<U> applyToEither
715	>	(CompletableFuture<T> f,
716	>	CompletionStage<? extends T> g,
717	>	Function<? super T,U> a) {
718	>	return f.applyToEitherAsync(g, a);
719	>	}
720	>	},
721
722	<	f = new CompletableFuture<>();
723	<	g = new CompletableFuture<>();
724	<	h = f.thenCombine(g, subtract);
725	<	g.complete(1);
726	<	checkIncomplete(h);
727	<	f.complete(3);
728	<	checkCompletedNormally(h, 2);
722	>	EXECUTOR {
723	>	public void checkExecutionMode() {
724	>	assertTrue(ThreadExecutor.startedCurrentThread());
725	>	}
726	>	public CompletableFuture<Void> runAsync(Runnable a) {
727	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
728	>	}
729	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
730	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
731	>	}
732	>	public <T> CompletableFuture<Void> thenRun
733	>	(CompletableFuture<T> f, Runnable a) {
734	>	return f.thenRunAsync(a, new ThreadExecutor());
735	>	}
736	>	public <T> CompletableFuture<Void> thenAccept
737	>	(CompletableFuture<T> f, Consumer<? super T> a) {
738	>	return f.thenAcceptAsync(a, new ThreadExecutor());
739	>	}
740	>	public <T,U> CompletableFuture<U> thenApply
741	>	(CompletableFuture<T> f, Function<? super T,U> a) {
742	>	return f.thenApplyAsync(a, new ThreadExecutor());
743	>	}
744	>	public <T,U> CompletableFuture<U> thenCompose
745	>	(CompletableFuture<T> f,
746	>	Function<? super T,? extends CompletionStage<U>> a) {
747	>	return f.thenComposeAsync(a, new ThreadExecutor());
748	>	}
749	>	public <T,U> CompletableFuture<U> handle
750	>	(CompletableFuture<T> f,
751	>	BiFunction<? super T,Throwable,? extends U> a) {
752	>	return f.handleAsync(a, new ThreadExecutor());
753	>	}
754	>	public <T> CompletableFuture<T> whenComplete
755	>	(CompletableFuture<T> f,
756	>	BiConsumer<? super T,? super Throwable> a) {
757	>	return f.whenCompleteAsync(a, new ThreadExecutor());
758	>	}
759	>	public <T,U> CompletableFuture<Void> runAfterBoth
760	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
761	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
762	>	}
763	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
764	>	(CompletableFuture<T> f,
765	>	CompletionStage<? extends U> g,
766	>	BiConsumer<? super T,? super U> a) {
767	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
768	>	}
769	>	public <T,U,V> CompletableFuture<V> thenCombine
770	>	(CompletableFuture<T> f,
771	>	CompletionStage<? extends U> g,
772	>	BiFunction<? super T,? super U,? extends V> a) {
773	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
774	>	}
775	>	public <T> CompletableFuture<Void> runAfterEither
776	>	(CompletableFuture<T> f,
777	>	CompletionStage<?> g,
778	>	java.lang.Runnable a) {
779	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
780	>	}
781	>	public <T> CompletableFuture<Void> acceptEither
782	>	(CompletableFuture<T> f,
783	>	CompletionStage<? extends T> g,
784	>	Consumer<? super T> a) {
785	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
786	>	}
787	>	public <T,U> CompletableFuture<U> applyToEither
788	>	(CompletableFuture<T> f,
789	>	CompletionStage<? extends T> g,
790	>	Function<? super T,U> a) {
791	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
792	>	}
793	>	};
794
795	<	f = new CompletableFuture<>();
796	<	g = new CompletableFuture<>();
797	<	g.complete(1);
798	<	f.complete(3);
799	<	h = f.thenCombine(g, subtract);
800	<	checkCompletedNormally(h, 2);
795	>	public abstract void checkExecutionMode();
796	>	public abstract CompletableFuture<Void> runAsync(Runnable a);
797	>	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
798	>	public abstract <T> CompletableFuture<Void> thenRun
799	>	(CompletableFuture<T> f, Runnable a);
800	>	public abstract <T> CompletableFuture<Void> thenAccept
801	>	(CompletableFuture<T> f, Consumer<? super T> a);
802	>	public abstract <T,U> CompletableFuture<U> thenApply
803	>	(CompletableFuture<T> f, Function<? super T,U> a);
804	>	public abstract <T,U> CompletableFuture<U> thenCompose
805	>	(CompletableFuture<T> f,
806	>	Function<? super T,? extends CompletionStage<U>> a);
807	>	public abstract <T,U> CompletableFuture<U> handle
808	>	(CompletableFuture<T> f,
809	>	BiFunction<? super T,Throwable,? extends U> a);
810	>	public abstract <T> CompletableFuture<T> whenComplete
811	>	(CompletableFuture<T> f,
812	>	BiConsumer<? super T,? super Throwable> a);
813	>	public abstract <T,U> CompletableFuture<Void> runAfterBoth
814	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
815	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
816	>	(CompletableFuture<T> f,
817	>	CompletionStage<? extends U> g,
818	>	BiConsumer<? super T,? super U> a);
819	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
820	>	(CompletableFuture<T> f,
821	>	CompletionStage<? extends U> g,
822	>	BiFunction<? super T,? super U,? extends V> a);
823	>	public abstract <T> CompletableFuture<Void> runAfterEither
824	>	(CompletableFuture<T> f,
825	>	CompletionStage<?> g,
826	>	java.lang.Runnable a);
827	>	public abstract <T> CompletableFuture<Void> acceptEither
828	>	(CompletableFuture<T> f,
829	>	CompletionStage<? extends T> g,
830	>	Consumer<? super T> a);
831	>	public abstract <T,U> CompletableFuture<U> applyToEither
832	>	(CompletableFuture<T> f,
833	>	CompletionStage<? extends T> g,
834	>	Function<? super T,U> a);
835		}
836
837		/**
838	<	* thenCombine result completes exceptionally after exceptional
839	<	* completion of either source
838	>	* exceptionally action is not invoked when source completes
839	>	* normally, and source result is propagated
840		*/
841	<	public void testThenCombine2() {
842	<	CompletableFuture<Integer> f, g, h;
843	<
844	<	f = new CompletableFuture<>();
845	<	g = new CompletableFuture<>();
846	<	h = f.thenCombine(g, subtract);
847	<	f.completeExceptionally(new CFException());
848	<	checkIncomplete(h);
849	<	g.complete(1);
850	<	checkCompletedWithWrappedCFException(h);
851	<
852	<	f = new CompletableFuture<>();
853	<	g = new CompletableFuture<>();
854	<	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);
762	<	}
841	>	public void testExceptionally_normalCompletion() {
842	>	for (boolean createIncomplete : new boolean[] { true, false })
843	>	for (Integer v1 : new Integer[] { 1, null })
844	>	{
845	>	final AtomicInteger a = new AtomicInteger(0);
846	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
847	>	if (!createIncomplete) assertTrue(f.complete(v1));
848	>	final CompletableFuture<Integer> g = f.exceptionally
849	>	((Throwable t) -> {
850	>	a.getAndIncrement();
851	>	threadFail("should not be called");
852	>	return null;            // unreached
853	>	});
854	>	if (createIncomplete) assertTrue(f.complete(v1));
855
856	<	/**
857	<	* thenCombine result completes exceptionally if action does
858	<	*/
859	<	public void testThenCombine3() {
768	<	CompletableFuture<Integer> f = new CompletableFuture<>();
769	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
770	<	FailingBiFunction r = new FailingBiFunction();
771	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
772	<	f.complete(one);
773	<	checkIncomplete(g);
774	<	assertFalse(r.ran);
775	<	f2.complete(two);
776	<	checkCompletedWithWrappedCFException(g);
777	<	assertTrue(r.ran);
778	<	}
856	>	checkCompletedNormally(g, v1);
857	>	checkCompletedNormally(f, v1);
858	>	assertEquals(0, a.get());
859	>	}}
860
861		/**
862	<	* thenCombine result completes exceptionally if either source cancelled
862	>	* exceptionally action completes with function value on source
863	>	* exception
864		*/
865	<	public void testThenCombine4() {
866	<	CompletableFuture<Integer> f, g, h;
867	<
868	<	f = new CompletableFuture<>();
869	<	g = new CompletableFuture<>();
870	<	h = f.thenCombine(g, subtract);
871	<	assertTrue(f.cancel(true));
872	<	checkIncomplete(h);
873	<	g.complete(1);
874	<	checkCompletedWithWrappedCancellationException(h);
875	<
876	<	f = new CompletableFuture<>();
877	<	g = new CompletableFuture<>();
878	<	h = f.thenCombine(g, subtract);
879	<	assertTrue(g.cancel(true));
880	<	checkIncomplete(h);
799	<	f.complete(3);
800	<	checkCompletedWithWrappedCancellationException(h);
865	>	public void testExceptionally_exceptionalCompletion() {
866	>	for (boolean createIncomplete : new boolean[] { true, false })
867	>	for (Integer v1 : new Integer[] { 1, null })
868	>	{
869	>	final AtomicInteger a = new AtomicInteger(0);
870	>	final CFException ex = new CFException();
871	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
872	>	if (!createIncomplete) f.completeExceptionally(ex);
873	>	final CompletableFuture<Integer> g = f.exceptionally
874	>	((Throwable t) -> {
875	>	ExecutionMode.SYNC.checkExecutionMode();
876	>	threadAssertSame(t, ex);
877	>	a.getAndIncrement();
878	>	return v1;
879	>	});
880	>	if (createIncomplete) f.completeExceptionally(ex);
881
882	<	f = new CompletableFuture<>();
883	<	g = new CompletableFuture<>();
884	<	assertTrue(f.cancel(true));
805	<	assertTrue(g.cancel(true));
806	<	h = f.thenCombine(g, subtract);
807	<	checkCompletedWithWrappedCancellationException(h);
808	<	}
882	>	checkCompletedNormally(g, v1);
883	>	assertEquals(1, a.get());
884	>	}}
885
886		/**
887	<	* thenAcceptBoth result completes normally after normal
888	<	* completion of sources
887	>	* If an "exceptionally action" throws an exception, it completes
888	>	* exceptionally with that exception
889		*/
890	<	public void testThenAcceptBoth() {
891	<	CompletableFuture<Integer> f, g;
892	<	CompletableFuture<Void> h;
893	<	SubtractAction r;
894	<
895	<	f = new CompletableFuture<>();
896	<	g = new CompletableFuture<>();
897	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
898	<	f.complete(3);
899	<	checkIncomplete(h);
900	<	g.complete(1);
901	<	checkCompletedNormally(h, null);
902	<	assertEquals(r.value, 2);
903	<
904	<	f = new CompletableFuture<>();
905	<	g = new CompletableFuture<>();
906	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
907	<	g.complete(1);
908	<	checkIncomplete(h);
909	<	f.complete(3);
910	<	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);
844	<	}
890	>	public void testExceptionally_exceptionalCompletionActionFailed() {
891	>	for (boolean createIncomplete : new boolean[] { true, false })
892	>	{
893	>	final AtomicInteger a = new AtomicInteger(0);
894	>	final CFException ex1 = new CFException();
895	>	final CFException ex2 = new CFException();
896	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
897	>	if (!createIncomplete) f.completeExceptionally(ex1);
898	>	final CompletableFuture<Integer> g = f.exceptionally
899	>	((Throwable t) -> {
900	>	ExecutionMode.SYNC.checkExecutionMode();
901	>	threadAssertSame(t, ex1);
902	>	a.getAndIncrement();
903	>	throw ex2;
904	>	});
905	>	if (createIncomplete) f.completeExceptionally(ex1);
906	>
907	>	checkCompletedWithWrappedException(g, ex2);
908	>	checkCompletedExceptionally(f, ex1);
909	>	assertEquals(1, a.get());
910	>	}}
911
912		/**
913	<	* thenAcceptBoth result completes exceptionally after exceptional
914	<	* completion of either source
913	>	* whenComplete action executes on normal completion, propagating
914	>	* source result.
915		*/
916	<	public void testThenAcceptBoth2() {
917	<	CompletableFuture<Integer> f, g;
918	<	CompletableFuture<Void> h;
919	<	SubtractAction r;
920	<
921	<	f = new CompletableFuture<>();
922	<	g = new CompletableFuture<>();
923	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
924	<	f.completeExceptionally(new CFException());
925	<	checkIncomplete(h);
926	<	g.complete(1);
927	<	checkCompletedWithWrappedCFException(h);
928	<
929	<	f = new CompletableFuture<>();
930	<	g = new CompletableFuture<>();
931	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
932	<	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);
916	>	public void testWhenComplete_normalCompletion() {
917	>	for (ExecutionMode m : ExecutionMode.values())
918	>	for (boolean createIncomplete : new boolean[] { true, false })
919	>	for (Integer v1 : new Integer[] { 1, null })
920	>	{
921	>	final AtomicInteger a = new AtomicInteger(0);
922	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
923	>	if (!createIncomplete) assertTrue(f.complete(v1));
924	>	final CompletableFuture<Integer> g = m.whenComplete
925	>	(f,
926	>	(Integer result, Throwable t) -> {
927	>	m.checkExecutionMode();
928	>	threadAssertSame(result, v1);
929	>	threadAssertNull(t);
930	>	a.getAndIncrement();
931	>	});
932	>	if (createIncomplete) assertTrue(f.complete(v1));
933
934	<	f = new CompletableFuture<>();
935	<	g = new CompletableFuture<>();
936	<	f.completeExceptionally(new CFException());
937	<	g.complete(3);
882	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
883	<	checkCompletedWithWrappedCFException(h);
884	<	}
934	>	checkCompletedNormally(g, v1);
935	>	checkCompletedNormally(f, v1);
936	>	assertEquals(1, a.get());
937	>	}}
938
939		/**
940	<	* thenAcceptBoth result completes exceptionally if action does
940	>	* whenComplete action executes on exceptional completion, propagating
941	>	* source result.
942		*/
943	<	public void testThenAcceptBoth3() {
944	<	CompletableFuture<Integer> f, g;
945	<	CompletableFuture<Void> h;
946	<	FailingBiConsumer r;
947	<
948	<	f = new CompletableFuture<>();
949	<	g = new CompletableFuture<>();
950	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
951	<	f.complete(3);
952	<	checkIncomplete(h);
953	<	g.complete(1);
954	<	checkCompletedWithWrappedCFException(h);
955	<
956	<	f = new CompletableFuture<>();
957	<	g = new CompletableFuture<>();
958	<	f.complete(3);
959	<	g.complete(1);
960	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
961	<	checkCompletedWithWrappedCFException(h);
962	<	}
943	>	public void testWhenComplete_exceptionalCompletion() {
944	>	for (ExecutionMode m : ExecutionMode.values())
945	>	for (boolean createIncomplete : new boolean[] { true, false })
946	>	{
947	>	final AtomicInteger a = new AtomicInteger(0);
948	>	final CFException ex = new CFException();
949	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
950	>	if (!createIncomplete) f.completeExceptionally(ex);
951	>	final CompletableFuture<Integer> g = m.whenComplete
952	>	(f,
953	>	(Integer result, Throwable t) -> {
954	>	m.checkExecutionMode();
955	>	threadAssertNull(result);
956	>	threadAssertSame(t, ex);
957	>	a.getAndIncrement();
958	>	});
959	>	if (createIncomplete) f.completeExceptionally(ex);
960	>
961	>	checkCompletedWithWrappedException(g, ex);
962	>	checkCompletedExceptionally(f, ex);
963	>	assertEquals(1, a.get());
964	>	}}
965
966		/**
967	<	* thenAcceptBoth result completes exceptionally if either source cancelled
967	>	* whenComplete action executes on cancelled source, propagating
968	>	* CancellationException.
969		*/
970	<	public void testThenAcceptBoth4() {
971	<	CompletableFuture<Integer> f, g;
972	<	CompletableFuture<Void> h;
973	<	SubtractAction r;
974	<
975	<	f = new CompletableFuture<>();
976	<	g = new CompletableFuture<>();
977	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
978	<	assertTrue(f.cancel(true));
979	<	checkIncomplete(h);
980	<	g.complete(1);
981	<	checkCompletedWithWrappedCancellationException(h);
982	<
983	<	f = new CompletableFuture<>();
984	<	g = new CompletableFuture<>();
985	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
986	<	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);
970	>	public void testWhenComplete_sourceCancelled() {
971	>	for (ExecutionMode m : ExecutionMode.values())
972	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
973	>	for (boolean createIncomplete : new boolean[] { true, false })
974	>	{
975	>	final AtomicInteger a = new AtomicInteger(0);
976	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
977	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
978	>	final CompletableFuture<Integer> g = m.whenComplete
979	>	(f,
980	>	(Integer result, Throwable t) -> {
981	>	m.checkExecutionMode();
982	>	threadAssertNull(result);
983	>	threadAssertTrue(t instanceof CancellationException);
984	>	a.getAndIncrement();
985	>	});
986	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
987
988	<	f = new CompletableFuture<>();
989	<	g = new CompletableFuture<>();
990	<	assertTrue(f.cancel(true));
991	<	g.complete(3);
945	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
946	<	checkCompletedWithWrappedCancellationException(h);
947	<	}
988	>	checkCompletedWithWrappedCancellationException(g);
989	>	checkCancelled(f);
990	>	assertEquals(1, a.get());
991	>	}}
992
993		/**
994	<	* runAfterBoth result completes normally after normal
995	<	* completion of sources
994	>	* If a whenComplete action throws an exception when triggered by
995	>	* a normal completion, it completes exceptionally
996		*/
997	<	public void testRunAfterBoth_normalCompletion1() {
997	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
998	>	for (boolean createIncomplete : new boolean[] { true, false })
999	>	for (ExecutionMode m : ExecutionMode.values())
1000		for (Integer v1 : new Integer[] { 1, null })
1001	<	for (Integer v2 : new Integer[] { 2, null }) {
1002	<
1003	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
958	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
959	<	final Noop r = new Noop();
960	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
961	<
962	<	f.complete(v1);
963	<	checkIncomplete(h);
964	<	assertFalse(r.ran);
965	<	g.complete(v2);
966	<
967	<	checkCompletedNormally(h, null);
968	<	assertTrue(r.ran);
969	<	checkCompletedNormally(f, v1);
970	<	checkCompletedNormally(g, v2);
971	<	}
972	<	}
973	<
974	<	public void testRunAfterBoth_normalCompletion2() {
975	<	for (Integer v1 : new Integer[] { 1, null })
976	<	for (Integer v2 : new Integer[] { 2, null }) {
977	<
978	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
979	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
980	<	final Noop r = new Noop();
981	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
982	<
983	<	g.complete(v2);
984	<	checkIncomplete(h);
985	<	assertFalse(r.ran);
986	<	f.complete(v1);
987	<
988	<	checkCompletedNormally(h, null);
989	<	assertTrue(r.ran);
990	<	checkCompletedNormally(f, v1);
991	<	checkCompletedNormally(g, v2);
992	<	}
993	<	}
994	<
995	<	public void testRunAfterBoth_normalCompletion3() {
996	<	for (Integer v1 : new Integer[] { 1, null })
997	<	for (Integer v2 : new Integer[] { 2, null }) {
998	<
999	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1000	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1001	<	final Noop r = new Noop();
1002	<
1003	<	g.complete(v2);
1004	<	f.complete(v1);
1005	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1006	<
1007	<	checkCompletedNormally(h, null);
1008	<	assertTrue(r.ran);
1009	<	checkCompletedNormally(f, v1);
1010	<	checkCompletedNormally(g, v2);
1011	<	}
1012	<	}
1013	<
1014	<	public void testRunAfterBoth_normalCompletion4() {
1015	<	for (Integer v1 : new Integer[] { 1, null })
1016	<	for (Integer v2 : new Integer[] { 2, null }) {
1017	<
1001	>	{
1002	>	final AtomicInteger a = new AtomicInteger(0);
1003	>	final CFException ex = new CFException();
1004		final CompletableFuture<Integer> f = new CompletableFuture<>();
1005	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1006	<	final Noop r = new Noop();
1005	>	if (!createIncomplete) assertTrue(f.complete(v1));
1006	>	final CompletableFuture<Integer> g = m.whenComplete
1007	>	(f,
1008	>	(Integer result, Throwable t) -> {
1009	>	m.checkExecutionMode();
1010	>	threadAssertSame(result, v1);
1011	>	threadAssertNull(t);
1012	>	a.getAndIncrement();
1013	>	throw ex;
1014	>	});
1015	>	if (createIncomplete) assertTrue(f.complete(v1));
1016
1017	<	f.complete(v1);
1023	<	g.complete(v2);
1024	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1025	<
1026	<	checkCompletedNormally(h, null);
1027	<	assertTrue(r.ran);
1017	>	checkCompletedWithWrappedException(g, ex);
1018		checkCompletedNormally(f, v1);
1019	<	checkCompletedNormally(g, v2);
1020	<	}
1031	<	}
1019	>	assertEquals(1, a.get());
1020	>	}}
1021
1022		/**
1023	<	* runAfterBoth result completes exceptionally after exceptional
1024	<	* completion of either source
1023	>	* If a whenComplete action throws an exception when triggered by
1024	>	* a source completion that also throws an exception, the source
1025	>	* exception takes precedence (unlike handle)
1026		*/
1027	<	public void testRunAfterBoth_exceptionalCompletion1() {
1028	<	for (Integer v1 : new Integer[] { 1, null }) {
1029	<
1027	>	public void testWhenComplete_sourceFailedActionFailed() {
1028	>	for (boolean createIncomplete : new boolean[] { true, false })
1029	>	for (ExecutionMode m : ExecutionMode.values())
1030	>	{
1031	>	final AtomicInteger a = new AtomicInteger(0);
1032	>	final CFException ex1 = new CFException();
1033	>	final CFException ex2 = new CFException();
1034		final CompletableFuture<Integer> f = new CompletableFuture<>();
1041	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1042	–	final Noop r = new Noop();
1043	–	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1044	–	final CFException ex = new CFException();
1045	–
1046	–	f.completeExceptionally(ex);
1047	–	checkIncomplete(h);
1048	–	g.complete(v1);
1049	–
1050	–	checkCompletedWithWrappedCFException(h, ex);
1051	–	checkCompletedWithWrappedCFException(f, ex);
1052	–	assertFalse(r.ran);
1053	–	checkCompletedNormally(g, v1);
1054	–	}
1055	–	}
1056	–
1057	–	public void testRunAfterBoth_exceptionalCompletion2() {
1058	–	for (Integer v1 : new Integer[] { 1, null }) {
1059	–
1060	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1061	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1062	–	final Noop r = new Noop();
1063	–	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1064	–	final CFException ex = new CFException();
1065	–
1066	–	g.completeExceptionally(ex);
1067	–	checkIncomplete(h);
1068	–	f.complete(v1);
1069	–
1070	–	checkCompletedWithWrappedCFException(h, ex);
1071	–	checkCompletedWithWrappedCFException(g, ex);
1072	–	assertFalse(r.ran);
1073	–	checkCompletedNormally(f, v1);
1074	–	}
1075	–	}
1076	–
1077	–	public void testRunAfterBoth_exceptionalCompletion3() {
1078	–	for (Integer v1 : new Integer[] { 1, null }) {
1035
1036	+	if (!createIncomplete) f.completeExceptionally(ex1);
1037	+	final CompletableFuture<Integer> g = m.whenComplete
1038	+	(f,
1039	+	(Integer result, Throwable t) -> {
1040	+	m.checkExecutionMode();
1041	+	threadAssertSame(t, ex1);
1042	+	threadAssertNull(result);
1043	+	a.getAndIncrement();
1044	+	throw ex2;
1045	+	});
1046	+	if (createIncomplete) f.completeExceptionally(ex1);
1047	+
1048	+	checkCompletedWithWrappedException(g, ex1);
1049	+	checkCompletedExceptionally(f, ex1);
1050	+	if (testImplementationDetails) {
1051	+	assertEquals(1, ex1.getSuppressed().length);
1052	+	assertSame(ex2, ex1.getSuppressed()[0]);
1053	+	}
1054	+	assertEquals(1, a.get());
1055	+	}}
1056	+
1057	+	/**
1058	+	* handle action completes normally with function value on normal
1059	+	* completion of source
1060	+	*/
1061	+	public void testHandle_normalCompletion() {
1062	+	for (ExecutionMode m : ExecutionMode.values())
1063	+	for (boolean createIncomplete : new boolean[] { true, false })
1064	+	for (Integer v1 : new Integer[] { 1, null })
1065	+	{
1066		final CompletableFuture<Integer> f = new CompletableFuture<>();
1067	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1068	<	final Noop r = new Noop();
1069	<	final CFException ex = new CFException();
1067	>	final AtomicInteger a = new AtomicInteger(0);
1068	>	if (!createIncomplete) assertTrue(f.complete(v1));
1069	>	final CompletableFuture<Integer> g = m.handle
1070	>	(f,
1071	>	(Integer result, Throwable t) -> {
1072	>	m.checkExecutionMode();
1073	>	threadAssertSame(result, v1);
1074	>	threadAssertNull(t);
1075	>	a.getAndIncrement();
1076	>	return inc(v1);
1077	>	});
1078	>	if (createIncomplete) assertTrue(f.complete(v1));
1079
1080	<	g.completeExceptionally(ex);
1086	<	f.complete(v1);
1087	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1088	<
1089	<	checkCompletedWithWrappedCFException(h, ex);
1090	<	checkCompletedWithWrappedCFException(g, ex);
1091	<	assertFalse(r.ran);
1080	>	checkCompletedNormally(g, inc(v1));
1081		checkCompletedNormally(f, v1);
1082	<	}
1083	<	}
1095	<
1096	<	public void testRunAfterBoth_exceptionalCompletion4() {
1097	<	for (Integer v1 : new Integer[] { 1, null }) {
1098	<
1099	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1100	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1101	<	final Noop r = new Noop();
1102	<	final CFException ex = new CFException();
1103	<
1104	<	f.completeExceptionally(ex);
1105	<	g.complete(v1);
1106	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1107	<
1108	<	checkCompletedWithWrappedCFException(h, ex);
1109	<	checkCompletedWithWrappedCFException(f, ex);
1110	<	assertFalse(r.ran);
1111	<	checkCompletedNormally(g, v1);
1112	<	}
1113	<	}
1082	>	assertEquals(1, a.get());
1083	>	}}
1084
1085		/**
1086	<	* runAfterBoth result completes exceptionally if action does
1086	>	* handle action completes normally with function value on
1087	>	* exceptional completion of source
1088		*/
1089	<	public void testRunAfterBoth_actionFailed1() {
1089	>	public void testHandle_exceptionalCompletion() {
1090	>	for (ExecutionMode m : ExecutionMode.values())
1091	>	for (boolean createIncomplete : new boolean[] { true, false })
1092		for (Integer v1 : new Integer[] { 1, null })
1093	<	for (Integer v2 : new Integer[] { 2, null }) {
1121	<
1093	>	{
1094		final CompletableFuture<Integer> f = new CompletableFuture<>();
1095	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1096	<	final FailingNoop r = new FailingNoop();
1097	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1098	<
1099	<	f.complete(v1);
1100	<	checkIncomplete(h);
1101	<	g.complete(v2);
1102	<
1103	<	checkCompletedWithWrappedCFException(h);
1104	<	checkCompletedNormally(f, v1);
1105	<	checkCompletedNormally(g, v2);
1106	<	}
1107	<	}
1136	<
1137	<	public void testRunAfterBoth_actionFailed2() {
1138	<	for (Integer v1 : new Integer[] { 1, null })
1139	<	for (Integer v2 : new Integer[] { 2, null }) {
1140	<
1141	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1142	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1143	<	final FailingNoop r = new FailingNoop();
1144	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1145	<
1146	<	g.complete(v2);
1147	<	checkIncomplete(h);
1148	<	f.complete(v1);
1095	>	final AtomicInteger a = new AtomicInteger(0);
1096	>	final CFException ex = new CFException();
1097	>	if (!createIncomplete) f.completeExceptionally(ex);
1098	>	final CompletableFuture<Integer> g = m.handle
1099	>	(f,
1100	>	(Integer result, Throwable t) -> {
1101	>	m.checkExecutionMode();
1102	>	threadAssertNull(result);
1103	>	threadAssertSame(t, ex);
1104	>	a.getAndIncrement();
1105	>	return v1;
1106	>	});
1107	>	if (createIncomplete) f.completeExceptionally(ex);
1108
1109	<	checkCompletedWithWrappedCFException(h);
1110	<	checkCompletedNormally(f, v1);
1111	<	checkCompletedNormally(g, v2);
1112	<	}
1154	<	}
1109	>	checkCompletedNormally(g, v1);
1110	>	checkCompletedExceptionally(f, ex);
1111	>	assertEquals(1, a.get());
1112	>	}}
1113
1114		/**
1115	<	* runAfterBoth result completes exceptionally if either source cancelled
1115	>	* handle action completes normally with function value on
1116	>	* cancelled source
1117		*/
1118	<	public void testRunAfterBoth_sourceCancelled1() {
1118	>	public void testHandle_sourceCancelled() {
1119	>	for (ExecutionMode m : ExecutionMode.values())
1120		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1121	<	for (Integer v1 : new Integer[] { 1, null }) {
1122	<
1121	>	for (boolean createIncomplete : new boolean[] { true, false })
1122	>	for (Integer v1 : new Integer[] { 1, null })
1123	>	{
1124		final CompletableFuture<Integer> f = new CompletableFuture<>();
1125	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1126	<	final Noop r = new Noop();
1127	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1128	<
1129	<	assertTrue(f.cancel(mayInterruptIfRunning));
1130	<	checkIncomplete(h);
1131	<	g.complete(v1);
1125	>	final AtomicInteger a = new AtomicInteger(0);
1126	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1127	>	final CompletableFuture<Integer> g = m.handle
1128	>	(f,
1129	>	(Integer result, Throwable t) -> {
1130	>	m.checkExecutionMode();
1131	>	threadAssertNull(result);
1132	>	threadAssertTrue(t instanceof CancellationException);
1133	>	a.getAndIncrement();
1134	>	return v1;
1135	>	});
1136	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1137
1172	–	checkCompletedWithWrappedCancellationException(h);
1173	–	checkCancelled(f);
1174	–	assertFalse(r.ran);
1138		checkCompletedNormally(g, v1);
1176	–	}
1177	–	}
1178	–
1179	–	public void testRunAfterBoth_sourceCancelled2() {
1180	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1181	–	for (Integer v1 : new Integer[] { 1, null }) {
1182	–
1183	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1184	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1185	–	final Noop r = new Noop();
1186	–	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1187	–
1188	–	assertTrue(g.cancel(mayInterruptIfRunning));
1189	–	checkIncomplete(h);
1190	–	f.complete(v1);
1191	–
1192	–	checkCompletedWithWrappedCancellationException(h);
1193	–	checkCancelled(g);
1194	–	assertFalse(r.ran);
1195	–	checkCompletedNormally(f, v1);
1196	–	}
1197	–	}
1198	–
1199	–	public void testRunAfterBoth_sourceCancelled3() {
1200	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1201	–	for (Integer v1 : new Integer[] { 1, null }) {
1202	–
1203	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1204	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1205	–	final Noop r = new Noop();
1206	–
1207	–	assertTrue(g.cancel(mayInterruptIfRunning));
1208	–	f.complete(v1);
1209	–	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1210	–
1211	–	checkCompletedWithWrappedCancellationException(h);
1212	–	checkCancelled(g);
1213	–	assertFalse(r.ran);
1214	–	checkCompletedNormally(f, v1);
1215	–	}
1216	–	}
1217	–
1218	–	public void testRunAfterBoth_sourceCancelled4() {
1219	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1220	–	for (Integer v1 : new Integer[] { 1, null }) {
1221	–
1222	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1223	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1224	–	final Noop r = new Noop();
1225	–
1226	–	assertTrue(f.cancel(mayInterruptIfRunning));
1227	–	g.complete(v1);
1228	–	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1229	–
1230	–	checkCompletedWithWrappedCancellationException(h);
1139		checkCancelled(f);
1140	<	assertFalse(r.ran);
1141	<	checkCompletedNormally(g, v1);
1234	<	}
1235	<	}
1236	<
1237	<	/**
1238	<	* applyToEither result completes normally after normal completion
1239	<	* of either source
1240	<	*/
1241	<	public void testApplyToEither() {
1242	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1243	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1244	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1245	<	f.complete(one);
1246	<	checkCompletedNormally(g, two);
1247	<	f2.complete(one);
1248	<	checkCompletedNormally(g, two);
1249	<
1250	<	f = new CompletableFuture<>();
1251	<	f.complete(one);
1252	<	f2 = new CompletableFuture<>();
1253	<	g = f.applyToEither(f2, inc);
1254	<	checkCompletedNormally(g, two);
1255	<	}
1256	<
1257	<	/**
1258	<	* applyToEither result completes exceptionally after exceptional
1259	<	* completion of either source
1260	<	*/
1261	<	public void testApplyToEither2() {
1262	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1263	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1264	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1265	<	f.completeExceptionally(new CFException());
1266	<	f2.complete(one);
1267	<	checkCompletedWithWrappedCFException(g);
1268	<
1269	<	f = new CompletableFuture<>();
1270	<	f2 = new CompletableFuture<>();
1271	<	f2.completeExceptionally(new CFException());
1272	<	g = f.applyToEither(f2, inc);
1273	<	checkCompletedWithWrappedCFException(g);
1274	<	}
1275	<
1276	<	/**
1277	<	* applyToEither result completes exceptionally if action does
1278	<	*/
1279	<	public void testApplyToEither3() {
1280	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1281	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1282	<	FailingFunction r = new FailingFunction();
1283	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
1284	<	f2.complete(two);
1285	<	checkCompletedWithWrappedCFException(g);
1286	<	}
1287	<
1288	<	/**
1289	<	* applyToEither result completes exceptionally if either source cancelled
1290	<	*/
1291	<	public void testApplyToEither4() {
1292	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1293	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1294	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1295	<	assertTrue(f.cancel(true));
1296	<	checkCompletedWithWrappedCancellationException(g);
1297	<	f = new CompletableFuture<>();
1298	<	f2 = new CompletableFuture<>();
1299	<	assertTrue(f2.cancel(true));
1300	<	checkCompletedWithWrappedCancellationException(g);
1301	<	}
1302	<
1303	<	/**
1304	<	* acceptEither result completes normally after normal completion
1305	<	* of either source
1306	<	*/
1307	<	public void testAcceptEither() {
1308	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1309	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1310	<	IncAction r = new IncAction();
1311	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1312	<	f.complete(one);
1313	<	checkCompletedNormally(g, null);
1314	<	f2.complete(one);
1315	<	checkCompletedNormally(g, null);
1316	<	assertEquals(r.value, 2);
1317	<
1318	<	r = new IncAction();
1319	<	f = new CompletableFuture<>();
1320	<	f.complete(one);
1321	<	f2 = new CompletableFuture<>();
1322	<	g = f.acceptEither(f2, r);
1323	<	checkCompletedNormally(g, null);
1324	<	assertEquals(r.value, 2);
1325	<	}
1140	>	assertEquals(1, a.get());
1141	>	}}
1142
1143		/**
1144	<	* acceptEither result completes exceptionally after exceptional
1145	<	* completion of either source
1330	<	*/
1331	<	public void testAcceptEither2() {
1332	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1333	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1334	<	IncAction r = new IncAction();
1335	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1336	<	f.completeExceptionally(new CFException());
1337	<	f2.complete(one);
1338	<	checkCompletedWithWrappedCFException(g);
1339	<
1340	<	r = new IncAction();
1341	<	f = new CompletableFuture<>();
1342	<	f2 = new CompletableFuture<>();
1343	<	f2.completeExceptionally(new CFException());
1344	<	g = f.acceptEither(f2, r);
1345	<	checkCompletedWithWrappedCFException(g);
1346	<	}
1347	<
1348	<	/**
1349	<	* acceptEither result completes exceptionally if action does
1350	<	*/
1351	<	public void testAcceptEither3() {
1352	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1353	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1354	<	FailingConsumer r = new FailingConsumer();
1355	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1356	<	f2.complete(two);
1357	<	checkCompletedWithWrappedCFException(g);
1358	<	}
1359	<
1360	<	/**
1361	<	* acceptEither result completes exceptionally if either source cancelled
1362	<	*/
1363	<	public void testAcceptEither4() {
1364	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1365	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1366	<	IncAction r = new IncAction();
1367	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1368	<	assertTrue(f.cancel(true));
1369	<	checkCompletedWithWrappedCancellationException(g);
1370	<	f = new CompletableFuture<>();
1371	<	f2 = new CompletableFuture<>();
1372	<	assertTrue(f2.cancel(true));
1373	<	checkCompletedWithWrappedCancellationException(g);
1374	<	}
1375	<
1376	<	/**
1377	<	* runAfterEither result completes normally after normal completion
1378	<	* of either source
1379	<	*/
1380	<	public void testRunAfterEither() {
1381	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1382	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1383	<	Noop r = new Noop();
1384	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1385	<	f.complete(one);
1386	<	checkCompletedNormally(g, null);
1387	<	f2.complete(one);
1388	<	checkCompletedNormally(g, null);
1389	<	assertTrue(r.ran);
1390	<
1391	<	r = new Noop();
1392	<	f = new CompletableFuture<>();
1393	<	f.complete(one);
1394	<	f2 = new CompletableFuture<>();
1395	<	g = f.runAfterEither(f2, r);
1396	<	checkCompletedNormally(g, null);
1397	<	assertTrue(r.ran);
1398	<	}
1399	<
1400	<	/**
1401	<	* runAfterEither result completes exceptionally after exceptional
1402	<	* completion of either source
1144	>	* If a "handle action" throws an exception when triggered by
1145	>	* a normal completion, it completes exceptionally
1146		*/
1147	<	public void testRunAfterEither2() {
1148	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1149	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1150	<	Noop r = new Noop();
1151	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1152	<	f.completeExceptionally(new CFException());
1153	<	f2.complete(one);
1154	<	checkCompletedWithWrappedCFException(g);
1147	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1148	>	for (ExecutionMode m : ExecutionMode.values())
1149	>	for (boolean createIncomplete : new boolean[] { true, false })
1150	>	for (Integer v1 : new Integer[] { 1, null })
1151	>	{
1152	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1153	>	final AtomicInteger a = new AtomicInteger(0);
1154	>	final CFException ex = new CFException();
1155	>	if (!createIncomplete) assertTrue(f.complete(v1));
1156	>	final CompletableFuture<Integer> g = m.handle
1157	>	(f,
1158	>	(Integer result, Throwable t) -> {
1159	>	m.checkExecutionMode();
1160	>	threadAssertSame(result, v1);
1161	>	threadAssertNull(t);
1162	>	a.getAndIncrement();
1163	>	throw ex;
1164	>	});
1165	>	if (createIncomplete) assertTrue(f.complete(v1));
1166
1167	<	r = new Noop();
1168	<	f = new CompletableFuture<>();
1169	<	f2 = new CompletableFuture<>();
1170	<	f2.completeExceptionally(new CFException());
1417	<	g = f.runAfterEither(f2, r);
1418	<	checkCompletedWithWrappedCFException(g);
1419	<	}
1167	>	checkCompletedWithWrappedException(g, ex);
1168	>	checkCompletedNormally(f, v1);
1169	>	assertEquals(1, a.get());
1170	>	}}
1171
1172		/**
1173	<	* runAfterEither result completes exceptionally if action does
1174	<	*/
1175	<	public void testRunAfterEither3() {
1176	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1177	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1178	<	FailingNoop r = new FailingNoop();
1179	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1180	<	f2.complete(two);
1181	<	checkCompletedWithWrappedCFException(g);
1182	<	}
1173	>	* If a "handle action" throws an exception when triggered by
1174	>	* a source completion that also throws an exception, the action
1175	>	* exception takes precedence (unlike whenComplete)
1176	>	*/
1177	>	public void testHandle_sourceFailedActionFailed() {
1178	>	for (boolean createIncomplete : new boolean[] { true, false })
1179	>	for (ExecutionMode m : ExecutionMode.values())
1180	>	{
1181	>	final AtomicInteger a = new AtomicInteger(0);
1182	>	final CFException ex1 = new CFException();
1183	>	final CFException ex2 = new CFException();
1184	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1185
1186	<	/**
1187	<	* runAfterEither result completes exceptionally if either source cancelled
1188	<	*/
1189	<	public void testRunAfterEither4() {
1190	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1191	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1192	<	Noop r = new Noop();
1193	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1194	<	assertTrue(f.cancel(true));
1195	<	checkCompletedWithWrappedCancellationException(g);
1196	<	f = new CompletableFuture<>();
1197	<	f2 = new CompletableFuture<>();
1198	<	assertTrue(f2.cancel(true));
1199	<	checkCompletedWithWrappedCancellationException(g);
1200	<	}
1186	>	if (!createIncomplete) f.completeExceptionally(ex1);
1187	>	final CompletableFuture<Integer> g = m.handle
1188	>	(f,
1189	>	(Integer result, Throwable t) -> {
1190	>	m.checkExecutionMode();
1191	>	threadAssertNull(result);
1192	>	threadAssertSame(ex1, t);
1193	>	a.getAndIncrement();
1194	>	throw ex2;
1195	>	});
1196	>	if (createIncomplete) f.completeExceptionally(ex1);
1197	>
1198	>	checkCompletedWithWrappedException(g, ex2);
1199	>	checkCompletedExceptionally(f, ex1);
1200	>	assertEquals(1, a.get());
1201	>	}}
1202
1203		/**
1204	<	* thenCompose result completes normally after normal completion of source
1204	>	* runAsync completes after running Runnable
1205		*/
1206	<	public void testThenCompose() {
1207	<	CompletableFuture<Integer> f, g;
1208	<	CompletableFutureInc r;
1209	<
1210	<	f = new CompletableFuture<>();
1211	<	g = f.thenCompose(r = new CompletableFutureInc());
1212	<	f.complete(one);
1213	<	checkCompletedNormally(g, two);
1214	<	assertTrue(r.ran);
1215	<
1216	<	f = new CompletableFuture<>();
1217	<	f.complete(one);
1218	<	g = f.thenCompose(r = new CompletableFutureInc());
1465	<	checkCompletedNormally(g, two);
1466	<	assertTrue(r.ran);
1467	<	}
1206	>	public void testRunAsync_normalCompletion() {
1207	>	ExecutionMode[] executionModes = {
1208	>	ExecutionMode.ASYNC,
1209	>	ExecutionMode.EXECUTOR,
1210	>	};
1211	>	for (ExecutionMode m : executionModes)
1212	>	{
1213	>	final Noop r = new Noop(m);
1214	>	final CompletableFuture<Void> f = m.runAsync(r);
1215	>	assertNull(f.join());
1216	>	checkCompletedNormally(f, null);
1217	>	r.assertInvoked();
1218	>	}}
1219
1220		/**
1221	<	* thenCompose result completes exceptionally after exceptional
1471	<	* completion of source
1221	>	* failing runAsync completes exceptionally after running Runnable
1222		*/
1223	<	public void testThenCompose2() {
1224	<	CompletableFuture<Integer> f, g;
1225	<	CompletableFutureInc r;
1226	<
1227	<	f = new CompletableFuture<>();
1228	<	g = f.thenCompose(r = new CompletableFutureInc());
1229	<	f.completeExceptionally(new CFException());
1230	<	checkCompletedWithWrappedCFException(g);
1231	<
1232	<	f = new CompletableFuture<>();
1233	<	f.completeExceptionally(new CFException());
1234	<	g = f.thenCompose(r = new CompletableFutureInc());
1485	<	checkCompletedWithWrappedCFException(g);
1486	<	}
1223	>	public void testRunAsync_exceptionalCompletion() {
1224	>	ExecutionMode[] executionModes = {
1225	>	ExecutionMode.ASYNC,
1226	>	ExecutionMode.EXECUTOR,
1227	>	};
1228	>	for (ExecutionMode m : executionModes)
1229	>	{
1230	>	final FailingRunnable r = new FailingRunnable(m);
1231	>	final CompletableFuture<Void> f = m.runAsync(r);
1232	>	checkCompletedWithWrappedException(f, r.ex);
1233	>	r.assertInvoked();
1234	>	}}
1235
1236		/**
1237	<	* thenCompose result completes exceptionally if action does
1237	>	* supplyAsync completes with result of supplier
1238		*/
1239	<	public void testThenCompose3() {
1240	<	CompletableFuture<Integer> f, g;
1241	<	FailingCompletableFutureFunction r;
1242	<
1243	<	f = new CompletableFuture<>();
1244	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1245	<	f.complete(one);
1246	<	checkCompletedWithWrappedCFException(g);
1247	<
1248	<	f = new CompletableFuture<>();
1249	<	f.complete(one);
1250	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1251	<	checkCompletedWithWrappedCFException(g);
1252	<	}
1239	>	public void testSupplyAsync_normalCompletion() {
1240	>	ExecutionMode[] executionModes = {
1241	>	ExecutionMode.ASYNC,
1242	>	ExecutionMode.EXECUTOR,
1243	>	};
1244	>	for (ExecutionMode m : executionModes)
1245	>	for (Integer v1 : new Integer[] { 1, null })
1246	>	{
1247	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1248	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1249	>	assertSame(v1, f.join());
1250	>	checkCompletedNormally(f, v1);
1251	>	r.assertInvoked();
1252	>	}}
1253
1254		/**
1255	<	* thenCompose result completes exceptionally if source cancelled
1255	>	* Failing supplyAsync completes exceptionally
1256		*/
1257	<	public void testThenCompose4() {
1258	<	CompletableFuture<Integer> f, g;
1259	<	CompletableFutureInc r;
1260	<
1261	<	f = new CompletableFuture<>();
1262	<	g = f.thenCompose(r = new CompletableFutureInc());
1263	<	assertTrue(f.cancel(true));
1264	<	checkCompletedWithWrappedCancellationException(g);
1265	<
1266	<	f = new CompletableFuture<>();
1267	<	assertTrue(f.cancel(true));
1268	<	g = f.thenCompose(r = new CompletableFutureInc());
1521	<	checkCompletedWithWrappedCancellationException(g);
1522	<	}
1257	>	public void testSupplyAsync_exceptionalCompletion() {
1258	>	ExecutionMode[] executionModes = {
1259	>	ExecutionMode.ASYNC,
1260	>	ExecutionMode.EXECUTOR,
1261	>	};
1262	>	for (ExecutionMode m : executionModes)
1263	>	{
1264	>	FailingSupplier r = new FailingSupplier(m);
1265	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1266	>	checkCompletedWithWrappedException(f, r.ex);
1267	>	r.assertInvoked();
1268	>	}}
1269
1270	<	// asyncs
1270	>	// seq completion methods
1271
1272		/**
1273	<	* thenRunAsync result completes normally after normal completion of source
1273	>	* thenRun result completes normally after normal completion of source
1274		*/
1275	<	public void testThenRunAsync() {
1276	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1277	<	Noop r = new Noop();
1278	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1279	<	f.complete(null);
1280	<	checkCompletedNormally(g, null);
1275	>	public void testThenRun_normalCompletion() {
1276	>	for (ExecutionMode m : ExecutionMode.values())
1277	>	for (Integer v1 : new Integer[] { 1, null })
1278	>	{
1279	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1280	>	final Noop[] rs = new Noop[6];
1281	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1282
1283	<	// reordered version
1284	<	f = new CompletableFuture<>();
1285	<	f.complete(null);
1286	<	r = new Noop();
1287	<	g = f.thenRunAsync(r);
1288	<	checkCompletedNormally(g, null);
1289	<	}
1283	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1284	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1285	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1286	>	checkIncomplete(h0);
1287	>	checkIncomplete(h1);
1288	>	checkIncomplete(h2);
1289	>	assertTrue(f.complete(v1));
1290	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1291	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1292	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1293	>
1294	>	checkCompletedNormally(h0, null);
1295	>	checkCompletedNormally(h1, null);
1296	>	checkCompletedNormally(h2, null);
1297	>	checkCompletedNormally(h3, null);
1298	>	checkCompletedNormally(h4, null);
1299	>	checkCompletedNormally(h5, null);
1300	>	checkCompletedNormally(f, v1);
1301	>	for (Noop r : rs) r.assertInvoked();
1302	>	}}
1303
1304		/**
1305	<	* thenRunAsync result completes exceptionally after exceptional
1305	>	* thenRun result completes exceptionally after exceptional
1306		* completion of source
1307		*/
1308	<	public void testThenRunAsync2() {
1309	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1310	<	Noop r = new Noop();
1311	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1312	<	f.completeExceptionally(new CFException());
1313	<	try {
1314	<	g.join();
1555	<	shouldThrow();
1556	<	} catch (CompletionException success) {}
1557	<	checkCompletedWithWrappedCFException(g);
1558	<	}
1308	>	public void testThenRun_exceptionalCompletion() {
1309	>	for (ExecutionMode m : ExecutionMode.values())
1310	>	{
1311	>	final CFException ex = new CFException();
1312	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1313	>	final Noop[] rs = new Noop[6];
1314	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1315
1316	<	/**
1317	<	* thenRunAsync result completes exceptionally if action does
1318	<	*/
1319	<	public void testThenRunAsync3() {
1320	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1321	<	FailingNoop r = new FailingNoop();
1322	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1323	<	f.complete(null);
1324	<	checkCompletedWithWrappedCFException(g);
1325	<	}
1316	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1317	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1318	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1319	>	checkIncomplete(h0);
1320	>	checkIncomplete(h1);
1321	>	checkIncomplete(h2);
1322	>	assertTrue(f.completeExceptionally(ex));
1323	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1324	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1325	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1326	>
1327	>	checkCompletedWithWrappedException(h0, ex);
1328	>	checkCompletedWithWrappedException(h1, ex);
1329	>	checkCompletedWithWrappedException(h2, ex);
1330	>	checkCompletedWithWrappedException(h3, ex);
1331	>	checkCompletedWithWrappedException(h4, ex);
1332	>	checkCompletedWithWrappedException(h5, ex);
1333	>	checkCompletedExceptionally(f, ex);
1334	>	for (Noop r : rs) r.assertNotInvoked();
1335	>	}}
1336
1337		/**
1338	<	* thenRunAsync result completes exceptionally if source cancelled
1338	>	* thenRun result completes exceptionally if source cancelled
1339		*/
1340	<	public void testThenRunAsync4() {
1341	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1342	<	Noop r = new Noop();
1343	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1344	<	assertTrue(f.cancel(true));
1345	<	checkCompletedWithWrappedCancellationException(g);
1346	<	}
1340	>	public void testThenRun_sourceCancelled() {
1341	>	for (ExecutionMode m : ExecutionMode.values())
1342	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1343	>	{
1344	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1345	>	final Noop[] rs = new Noop[6];
1346	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1347
1348	<	/**
1349	<	* thenApplyAsync result completes normally after normal completion of source
1350	<	*/
1351	<	public void testThenApplyAsync() {
1352	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1353	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1354	<	f.complete(one);
1355	<	checkCompletedNormally(g, two);
1356	<	}
1348	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1349	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1350	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1351	>	checkIncomplete(h0);
1352	>	checkIncomplete(h1);
1353	>	checkIncomplete(h2);
1354	>	assertTrue(f.cancel(mayInterruptIfRunning));
1355	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1356	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1357	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1358	>
1359	>	checkCompletedWithWrappedCancellationException(h0);
1360	>	checkCompletedWithWrappedCancellationException(h1);
1361	>	checkCompletedWithWrappedCancellationException(h2);
1362	>	checkCompletedWithWrappedCancellationException(h3);
1363	>	checkCompletedWithWrappedCancellationException(h4);
1364	>	checkCompletedWithWrappedCancellationException(h5);
1365	>	checkCancelled(f);
1366	>	for (Noop r : rs) r.assertNotInvoked();
1367	>	}}
1368
1369		/**
1370	<	* thenApplyAsync result completes exceptionally after exceptional
1594	<	* completion of source
1370	>	* thenRun result completes exceptionally if action does
1371		*/
1372	<	public void testThenApplyAsync2() {
1373	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1374	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1375	<	f.completeExceptionally(new CFException());
1376	<	checkCompletedWithWrappedCFException(g);
1377	<	}
1372	>	public void testThenRun_actionFailed() {
1373	>	for (ExecutionMode m : ExecutionMode.values())
1374	>	for (Integer v1 : new Integer[] { 1, null })
1375	>	{
1376	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1377	>	final FailingRunnable[] rs = new FailingRunnable[6];
1378	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1379
1380	<	/**
1381	<	* thenApplyAsync result completes exceptionally if action does
1382	<	*/
1383	<	public void testThenApplyAsync3() {
1384	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1385	<	FailingFunction r = new FailingFunction();
1386	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1387	<	f.complete(null);
1388	<	checkCompletedWithWrappedCFException(g);
1389	<	}
1380	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1381	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1382	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1383	>	assertTrue(f.complete(v1));
1384	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1385	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1386	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1387	>
1388	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1389	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1390	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1391	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1392	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1393	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1394	>	checkCompletedNormally(f, v1);
1395	>	}}
1396
1397		/**
1398	<	* thenApplyAsync result completes exceptionally if source cancelled
1398	>	* thenApply result completes normally after normal completion of source
1399		*/
1400	<	public void testThenApplyAsync4() {
1401	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1402	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1403	<	assertTrue(f.cancel(true));
1404	<	checkCompletedWithWrappedCancellationException(g);
1405	<	}
1400	>	public void testThenApply_normalCompletion() {
1401	>	for (ExecutionMode m : ExecutionMode.values())
1402	>	for (Integer v1 : new Integer[] { 1, null })
1403	>	{
1404	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1405	>	final IncFunction[] rs = new IncFunction[4];
1406	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1407
1408	<	/**
1409	<	* thenAcceptAsync result completes normally after normal
1410	<	* completion of source
1411	<	*/
1412	<	public void testThenAcceptAsync() {
1413	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1414	<	IncAction r = new IncAction();
1415	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1416	<	f.complete(one);
1417	<	checkCompletedNormally(g, null);
1418	<	assertEquals(r.value, 2);
1419	<	}
1408	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1409	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1410	>	checkIncomplete(h0);
1411	>	checkIncomplete(h1);
1412	>	assertTrue(f.complete(v1));
1413	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1414	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1415	>
1416	>	checkCompletedNormally(h0, inc(v1));
1417	>	checkCompletedNormally(h1, inc(v1));
1418	>	checkCompletedNormally(h2, inc(v1));
1419	>	checkCompletedNormally(h3, inc(v1));
1420	>	checkCompletedNormally(f, v1);
1421	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1422	>	}}
1423
1424		/**
1425	<	* thenAcceptAsync result completes exceptionally after exceptional
1425	>	* thenApply result completes exceptionally after exceptional
1426		* completion of source
1427		*/
1428	<	public void testThenAcceptAsync2() {
1429	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1430	<	IncAction r = new IncAction();
1431	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1432	<	f.completeExceptionally(new CFException());
1433	<	checkCompletedWithWrappedCFException(g);
1434	<	}
1648	<
1649	<	/**
1650	<	* thenAcceptAsync result completes exceptionally if action does
1651	<	*/
1652	<	public void testThenAcceptAsync3() {
1653	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1654	<	FailingConsumer r = new FailingConsumer();
1655	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1656	<	f.complete(null);
1657	<	checkCompletedWithWrappedCFException(g);
1658	<	}
1659	<
1660	<	/**
1661	<	* thenAcceptAsync result completes exceptionally if source cancelled
1662	<	*/
1663	<	public void testThenAcceptAsync4() {
1664	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1665	<	IncAction r = new IncAction();
1666	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1667	<	assertTrue(f.cancel(true));
1668	<	checkCompletedWithWrappedCancellationException(g);
1669	<	}
1670	<
1671	<	/**
1672	<	* thenCombineAsync result completes normally after normal
1673	<	* completion of sources
1674	<	*/
1675	<	public void testThenCombineAsync() {
1676	<	CompletableFuture<Integer> f, g, h;
1677	<
1678	<	f = new CompletableFuture<>();
1679	<	g = new CompletableFuture<>();
1680	<	h = f.thenCombineAsync(g, subtract);
1681	<	f.complete(3);
1682	<	checkIncomplete(h);
1683	<	g.complete(1);
1684	<	checkCompletedNormally(h, 2);
1428	>	public void testThenApply_exceptionalCompletion() {
1429	>	for (ExecutionMode m : ExecutionMode.values())
1430	>	{
1431	>	final CFException ex = new CFException();
1432	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1433	>	final IncFunction[] rs = new IncFunction[4];
1434	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1435
1436	<	f = new CompletableFuture<>();
1437	<	g = new CompletableFuture<>();
1438	<	h = f.thenCombineAsync(g, subtract);
1439	<	g.complete(1);
1440	<	checkIncomplete(h);
1441	<	f.complete(3);
1442	<	checkCompletedNormally(h, 2);
1443	<
1444	<	f = new CompletableFuture<>();
1445	<	g = new CompletableFuture<>();
1446	<	g.complete(1);
1447	<	f.complete(3);
1448	<	h = f.thenCombineAsync(g, subtract);
1699	<	checkCompletedNormally(h, 2);
1700	<	}
1436	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1437	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1438	>	assertTrue(f.completeExceptionally(ex));
1439	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1440	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1441	>
1442	>	checkCompletedWithWrappedException(h0, ex);
1443	>	checkCompletedWithWrappedException(h1, ex);
1444	>	checkCompletedWithWrappedException(h2, ex);
1445	>	checkCompletedWithWrappedException(h3, ex);
1446	>	checkCompletedExceptionally(f, ex);
1447	>	for (IncFunction r : rs) r.assertNotInvoked();
1448	>	}}
1449
1450		/**
1451	<	* thenCombineAsync result completes exceptionally after exceptional
1704	<	* completion of either source
1451	>	* thenApply result completes exceptionally if source cancelled
1452		*/
1453	<	public void testThenCombineAsync2() {
1454	<	CompletableFuture<Integer> f, g, h;
1455	<
1456	<	f = new CompletableFuture<>();
1457	<	g = new CompletableFuture<>();
1458	<	h = f.thenCombineAsync(g, subtract);
1459	<	f.completeExceptionally(new CFException());
1713	<	checkIncomplete(h);
1714	<	g.complete(1);
1715	<	checkCompletedWithWrappedCFException(h);
1716	<
1717	<	f = new CompletableFuture<>();
1718	<	g = new CompletableFuture<>();
1719	<	h = f.thenCombineAsync(g, subtract);
1720	<	g.completeExceptionally(new CFException());
1721	<	checkIncomplete(h);
1722	<	f.complete(3);
1723	<	checkCompletedWithWrappedCFException(h);
1453	>	public void testThenApply_sourceCancelled() {
1454	>	for (ExecutionMode m : ExecutionMode.values())
1455	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1456	>	{
1457	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1458	>	final IncFunction[] rs = new IncFunction[4];
1459	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1460
1461	<	f = new CompletableFuture<>();
1462	<	g = new CompletableFuture<>();
1463	<	g.completeExceptionally(new CFException());
1464	<	f.complete(3);
1465	<	h = f.thenCombineAsync(g, subtract);
1730	<	checkCompletedWithWrappedCFException(h);
1731	<	}
1461	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1462	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1463	>	assertTrue(f.cancel(mayInterruptIfRunning));
1464	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1465	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1466
1467	<	/**
1468	<	* thenCombineAsync result completes exceptionally if action does
1469	<	*/
1470	<	public void testThenCombineAsync3() {
1471	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1472	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1473	<	FailingBiFunction r = new FailingBiFunction();
1740	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1741	<	f.complete(one);
1742	<	checkIncomplete(g);
1743	<	assertFalse(r.ran);
1744	<	f2.complete(two);
1745	<	checkCompletedWithWrappedCFException(g);
1746	<	assertTrue(r.ran);
1747	<	}
1467	>	checkCompletedWithWrappedCancellationException(h0);
1468	>	checkCompletedWithWrappedCancellationException(h1);
1469	>	checkCompletedWithWrappedCancellationException(h2);
1470	>	checkCompletedWithWrappedCancellationException(h3);
1471	>	checkCancelled(f);
1472	>	for (IncFunction r : rs) r.assertNotInvoked();
1473	>	}}
1474
1475		/**
1476	<	* thenCombineAsync result completes exceptionally if either source cancelled
1476	>	* thenApply result completes exceptionally if action does
1477		*/
1478	<	public void testThenCombineAsync4() {
1479	<	CompletableFuture<Integer> f, g, h;
1480	<
1481	<	f = new CompletableFuture<>();
1482	<	g = new CompletableFuture<>();
1483	<	h = f.thenCombineAsync(g, subtract);
1484	<	assertTrue(f.cancel(true));
1759	<	checkIncomplete(h);
1760	<	g.complete(1);
1761	<	checkCompletedWithWrappedCancellationException(h);
1762	<
1763	<	f = new CompletableFuture<>();
1764	<	g = new CompletableFuture<>();
1765	<	h = f.thenCombineAsync(g, subtract);
1766	<	assertTrue(g.cancel(true));
1767	<	checkIncomplete(h);
1768	<	f.complete(3);
1769	<	checkCompletedWithWrappedCancellationException(h);
1770	<
1771	<	f = new CompletableFuture<>();
1772	<	g = new CompletableFuture<>();
1773	<	g.complete(3);
1774	<	assertTrue(f.cancel(true));
1775	<	h = f.thenCombineAsync(g, subtract);
1776	<	checkCompletedWithWrappedCancellationException(h);
1478	>	public void testThenApply_actionFailed() {
1479	>	for (ExecutionMode m : ExecutionMode.values())
1480	>	for (Integer v1 : new Integer[] { 1, null })
1481	>	{
1482	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1483	>	final FailingFunction[] rs = new FailingFunction[4];
1484	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1485
1486	<	f = new CompletableFuture<>();
1487	<	g = new CompletableFuture<>();
1488	<	f.complete(3);
1489	<	assertTrue(g.cancel(true));
1490	<	h = f.thenCombineAsync(g, subtract);
1491	<	checkCompletedWithWrappedCancellationException(h);
1492	<	}
1486	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1487	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1488	>	assertTrue(f.complete(v1));
1489	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1490	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1491	>
1492	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1493	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1494	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1495	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1496	>	checkCompletedNormally(f, v1);
1497	>	}}
1498
1499		/**
1500	<	* thenAcceptBothAsync result completes normally after normal
1788	<	* completion of sources
1500	>	* thenAccept result completes normally after normal completion of source
1501		*/
1502	<	public void testThenAcceptBothAsync() {
1503	<	CompletableFuture<Integer> f, g;
1504	<	CompletableFuture<Void> h;
1505	<	SubtractAction r;
1506	<
1507	<	f = new CompletableFuture<>();
1508	<	g = new CompletableFuture<>();
1797	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1798	<	f.complete(3);
1799	<	checkIncomplete(h);
1800	<	g.complete(1);
1801	<	checkCompletedNormally(h, null);
1802	<	assertEquals(r.value, 2);
1803	<
1804	<	f = new CompletableFuture<>();
1805	<	g = new CompletableFuture<>();
1806	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1807	<	g.complete(1);
1808	<	checkIncomplete(h);
1809	<	f.complete(3);
1810	<	checkCompletedNormally(h, null);
1811	<	assertEquals(r.value, 2);
1502	>	public void testThenAccept_normalCompletion() {
1503	>	for (ExecutionMode m : ExecutionMode.values())
1504	>	for (Integer v1 : new Integer[] { 1, null })
1505	>	{
1506	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1507	>	final NoopConsumer[] rs = new NoopConsumer[4];
1508	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1509
1510	<	f = new CompletableFuture<>();
1511	<	g = new CompletableFuture<>();
1512	<	g.complete(1);
1513	<	f.complete(3);
1514	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1515	<	checkCompletedNormally(h, null);
1516	<	assertEquals(r.value, 2);
1517	<	}
1510	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1511	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1512	>	checkIncomplete(h0);
1513	>	checkIncomplete(h1);
1514	>	assertTrue(f.complete(v1));
1515	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1516	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1517	>
1518	>	checkCompletedNormally(h0, null);
1519	>	checkCompletedNormally(h1, null);
1520	>	checkCompletedNormally(h2, null);
1521	>	checkCompletedNormally(h3, null);
1522	>	checkCompletedNormally(f, v1);
1523	>	for (NoopConsumer r : rs) r.assertValue(v1);
1524	>	}}
1525
1526		/**
1527	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1527	>	* thenAccept result completes exceptionally after exceptional
1528		* completion of source
1529		*/
1530	<	public void testThenAcceptBothAsync2() {
1531	<	CompletableFuture<Integer> f, g;
1532	<	CompletableFuture<Void> h;
1533	<	SubtractAction r;
1534	<
1535	<	f = new CompletableFuture<>();
1536	<	g = new CompletableFuture<>();
1833	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1834	<	f.completeExceptionally(new CFException());
1835	<	checkIncomplete(h);
1836	<	g.complete(1);
1837	<	checkCompletedWithWrappedCFException(h);
1838	<
1839	<	f = new CompletableFuture<>();
1840	<	g = new CompletableFuture<>();
1841	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1842	<	g.completeExceptionally(new CFException());
1843	<	checkIncomplete(h);
1844	<	f.complete(3);
1845	<	checkCompletedWithWrappedCFException(h);
1846	<
1847	<	f = new CompletableFuture<>();
1848	<	g = new CompletableFuture<>();
1849	<	f.complete(3);
1850	<	g.completeExceptionally(new CFException());
1851	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1852	<	checkCompletedWithWrappedCFException(h);
1853	<
1854	<	f = new CompletableFuture<>();
1855	<	g = new CompletableFuture<>();
1856	<	f.completeExceptionally(new CFException());
1857	<	g.complete(3);
1858	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1859	<	checkCompletedWithWrappedCFException(h);
1860	<	}
1861	<
1862	<	/**
1863	<	* thenAcceptBothAsync result completes exceptionally if action does
1864	<	*/
1865	<	public void testThenAcceptBothAsync3() {
1866	<	CompletableFuture<Integer> f, g;
1867	<	CompletableFuture<Void> h;
1868	<	FailingBiConsumer r;
1869	<
1870	<	f = new CompletableFuture<>();
1871	<	g = new CompletableFuture<>();
1872	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1873	<	f.complete(3);
1874	<	checkIncomplete(h);
1875	<	g.complete(1);
1876	<	checkCompletedWithWrappedCFException(h);
1530	>	public void testThenAccept_exceptionalCompletion() {
1531	>	for (ExecutionMode m : ExecutionMode.values())
1532	>	{
1533	>	final CFException ex = new CFException();
1534	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1535	>	final NoopConsumer[] rs = new NoopConsumer[4];
1536	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1537
1538	<	f = new CompletableFuture<>();
1539	<	g = new CompletableFuture<>();
1540	<	f.complete(3);
1541	<	g.complete(1);
1542	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1543	<	checkCompletedWithWrappedCFException(h);
1544	<	}
1538	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1539	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1540	>	assertTrue(f.completeExceptionally(ex));
1541	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1542	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1543	>
1544	>	checkCompletedWithWrappedException(h0, ex);
1545	>	checkCompletedWithWrappedException(h1, ex);
1546	>	checkCompletedWithWrappedException(h2, ex);
1547	>	checkCompletedWithWrappedException(h3, ex);
1548	>	checkCompletedExceptionally(f, ex);
1549	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1550	>	}}
1551
1552		/**
1553	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
1553	>	* thenAccept result completes exceptionally if source cancelled
1554		*/
1555	<	public void testThenAcceptBothAsync4() {
1556	<	CompletableFuture<Integer> f, g;
1557	<	CompletableFuture<Void> h;
1558	<	SubtractAction r;
1559	<
1560	<	f = new CompletableFuture<>();
1561	<	g = new CompletableFuture<>();
1896	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1897	<	assertTrue(f.cancel(true));
1898	<	checkIncomplete(h);
1899	<	g.complete(1);
1900	<	checkCompletedWithWrappedCancellationException(h);
1901	<
1902	<	f = new CompletableFuture<>();
1903	<	g = new CompletableFuture<>();
1904	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1905	<	assertTrue(g.cancel(true));
1906	<	checkIncomplete(h);
1907	<	f.complete(3);
1908	<	checkCompletedWithWrappedCancellationException(h);
1909	<
1910	<	f = new CompletableFuture<>();
1911	<	g = new CompletableFuture<>();
1912	<	f.complete(3);
1913	<	assertTrue(g.cancel(true));
1914	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1915	<	checkCompletedWithWrappedCancellationException(h);
1555	>	public void testThenAccept_sourceCancelled() {
1556	>	for (ExecutionMode m : ExecutionMode.values())
1557	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1558	>	{
1559	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1560	>	final NoopConsumer[] rs = new NoopConsumer[4];
1561	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1562
1563	<	f = new CompletableFuture<>();
1564	<	g = new CompletableFuture<>();
1565	<	assertTrue(f.cancel(true));
1566	<	g.complete(3);
1567	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1922	<	checkCompletedWithWrappedCancellationException(h);
1923	<	}
1563	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1564	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1565	>	assertTrue(f.cancel(mayInterruptIfRunning));
1566	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1567	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1568
1569	<	/**
1570	<	* runAfterBothAsync result completes normally after normal
1571	<	* completion of sources
1572	<	*/
1573	<	public void testRunAfterBothAsync() {
1574	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1575	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1932	<	Noop r = new Noop();
1933	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1934	<	f.complete(one);
1935	<	checkIncomplete(g);
1936	<	f2.complete(two);
1937	<	checkCompletedNormally(g, null);
1938	<	assertTrue(r.ran);
1939	<	}
1569	>	checkCompletedWithWrappedCancellationException(h0);
1570	>	checkCompletedWithWrappedCancellationException(h1);
1571	>	checkCompletedWithWrappedCancellationException(h2);
1572	>	checkCompletedWithWrappedCancellationException(h3);
1573	>	checkCancelled(f);
1574	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1575	>	}}
1576
1577		/**
1578	<	* runAfterBothAsync result completes exceptionally after exceptional
1943	<	* completion of source
1578	>	* thenAccept result completes exceptionally if action does
1579		*/
1580	<	public void testRunAfterBothAsync2() {
1581	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1582	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1583	<	Noop r = new Noop();
1584	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1585	<	f.completeExceptionally(new CFException());
1586	<	f2.complete(two);
1952	<	checkCompletedWithWrappedCFException(g);
1953	<
1954	<	r = new Noop();
1955	<	f = new CompletableFuture<>();
1956	<	f2 = new CompletableFuture<>();
1957	<	g = f.runAfterBothAsync(f2, r);
1958	<	f.complete(one);
1959	<	f2.completeExceptionally(new CFException());
1960	<	checkCompletedWithWrappedCFException(g);
1961	<	}
1580	>	public void testThenAccept_actionFailed() {
1581	>	for (ExecutionMode m : ExecutionMode.values())
1582	>	for (Integer v1 : new Integer[] { 1, null })
1583	>	{
1584	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1585	>	final FailingConsumer[] rs = new FailingConsumer[4];
1586	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1587
1588	<	/**
1589	<	* runAfterBothAsync result completes exceptionally if action does
1590	<	*/
1591	<	public void testRunAfterBothAsync3() {
1592	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1593	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1594	<	FailingNoop r = new FailingNoop();
1595	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1596	<	f.complete(one);
1597	<	checkIncomplete(g);
1598	<	f2.complete(two);
1599	<	checkCompletedWithWrappedCFException(g);
1975	<	}
1588	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1589	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1590	>	assertTrue(f.complete(v1));
1591	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1592	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1593	>
1594	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1595	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1596	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1597	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1598	>	checkCompletedNormally(f, v1);
1599	>	}}
1600
1601		/**
1602	<	* runAfterBothAsync result completes exceptionally if either source cancelled
1602	>	* thenCombine result completes normally after normal completion
1603	>	* of sources
1604		*/
1605	<	public void testRunAfterBothAsync4() {
1606	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1607	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1608	<	Noop r = new Noop();
1609	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1610	<	assertTrue(f.cancel(true));
1611	<	f2.complete(two);
1612	<	checkCompletedWithWrappedCancellationException(g);
1605	>	public void testThenCombine_normalCompletion() {
1606	>	for (ExecutionMode m : ExecutionMode.values())
1607	>	for (boolean fFirst : new boolean[] { true, false })
1608	>	for (Integer v1 : new Integer[] { 1, null })
1609	>	for (Integer v2 : new Integer[] { 2, null })
1610	>	{
1611	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1612	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1613	>	final SubtractFunction[] rs = new SubtractFunction[6];
1614	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1615
1616	<	r = new Noop();
1617	<	f = new CompletableFuture<>();
1618	<	f2 = new CompletableFuture<>();
1619	<	g = f.runAfterBothAsync(f2, r);
1620	<	f.complete(one);
1621	<	assertTrue(f2.cancel(true));
1622	<	checkCompletedWithWrappedCancellationException(g);
1623	<	}
1616	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1617	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1618	>	final Integer w1 =  fFirst ? v1 : v2;
1619	>	final Integer w2 = !fFirst ? v1 : v2;
1620	>
1621	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1622	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1623	>	assertTrue(fst.complete(w1));
1624	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1625	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1626	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1627	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1628	>	checkCompletedNormally(h1, subtract(w1, w1));
1629	>	checkCompletedNormally(h3, subtract(w1, w1));
1630	>	rs[1].assertValue(subtract(w1, w1));
1631	>	rs[3].assertValue(subtract(w1, w1));
1632	>	assertTrue(snd.complete(w2));
1633	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1634	>
1635	>	checkCompletedNormally(h0, subtract(v1, v2));
1636	>	checkCompletedNormally(h2, subtract(v1, v2));
1637	>	checkCompletedNormally(h4, subtract(v1, v2));
1638	>	rs[0].assertValue(subtract(v1, v2));
1639	>	rs[2].assertValue(subtract(v1, v2));
1640	>	rs[4].assertValue(subtract(v1, v2));
1641
1642	<	/**
1643	<	* applyToEitherAsync result completes normally after normal
1644	<	* completion of sources
2001	<	*/
2002	<	public void testApplyToEitherAsync() {
2003	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2004	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2005	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2006	<	f.complete(one);
2007	<	checkCompletedNormally(g, two);
2008	<
2009	<	f = new CompletableFuture<>();
2010	<	f.complete(one);
2011	<	f2 = new CompletableFuture<>();
2012	<	g = f.applyToEitherAsync(f2, inc);
2013	<	checkCompletedNormally(g, two);
2014	<	}
1642	>	checkCompletedNormally(f, v1);
1643	>	checkCompletedNormally(g, v2);
1644	>	}}
1645
1646		/**
1647	<	* applyToEitherAsync result completes exceptionally after exceptional
1648	<	* completion of source
1647	>	* thenCombine result completes exceptionally after exceptional
1648	>	* completion of either source
1649		*/
1650	<	public void testApplyToEitherAsync2() {
1651	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1652	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1653	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1654	<	f.completeExceptionally(new CFException());
1655	<	checkCompletedWithWrappedCFException(g);
1656	<
1657	<	f = new CompletableFuture<>();
1658	<	f2 = new CompletableFuture<>();
1659	<	f2.completeExceptionally(new CFException());
1660	<	g = f.applyToEitherAsync(f2, inc);
1661	<	f.complete(one);
1662	<	checkCompletedWithWrappedCFException(g);
1663	<	}
1650	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1651	>	for (ExecutionMode m : ExecutionMode.values())
1652	>	for (boolean fFirst : new boolean[] { true, false })
1653	>	for (boolean failFirst : new boolean[] { true, false })
1654	>	for (Integer v1 : new Integer[] { 1, null })
1655	>	{
1656	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1657	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1658	>	final CFException ex = new CFException();
1659	>	final SubtractFunction r1 = new SubtractFunction(m);
1660	>	final SubtractFunction r2 = new SubtractFunction(m);
1661	>	final SubtractFunction r3 = new SubtractFunction(m);
1662	>
1663	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1664	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1665	>	final Callable<Boolean> complete1 = failFirst ?
1666	>	() -> fst.completeExceptionally(ex) :
1667	>	() -> fst.complete(v1);
1668	>	final Callable<Boolean> complete2 = failFirst ?
1669	>	() -> snd.complete(v1) :
1670	>	() -> snd.completeExceptionally(ex);
1671	>
1672	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1673	>	assertTrue(complete1.call());
1674	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1675	>	checkIncomplete(h1);
1676	>	checkIncomplete(h2);
1677	>	assertTrue(complete2.call());
1678	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1679	>
1680	>	checkCompletedWithWrappedException(h1, ex);
1681	>	checkCompletedWithWrappedException(h2, ex);
1682	>	checkCompletedWithWrappedException(h3, ex);
1683	>	r1.assertNotInvoked();
1684	>	r2.assertNotInvoked();
1685	>	r3.assertNotInvoked();
1686	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1687	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1688	>	}}
1689
1690		/**
1691	<	* applyToEitherAsync result completes exceptionally if action does
1691	>	* thenCombine result completes exceptionally if either source cancelled
1692		*/
1693	<	public void testApplyToEitherAsync3() {
1694	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1695	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1696	<	FailingFunction r = new FailingFunction();
1697	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1698	<	f.complete(one);
1699	<	checkCompletedWithWrappedCFException(g);
1700	<	}
1693	>	public void testThenCombine_sourceCancelled() throws Throwable {
1694	>	for (ExecutionMode m : ExecutionMode.values())
1695	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1696	>	for (boolean fFirst : new boolean[] { true, false })
1697	>	for (boolean failFirst : new boolean[] { true, false })
1698	>	for (Integer v1 : new Integer[] { 1, null })
1699	>	{
1700	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1701	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1702	>	final SubtractFunction r1 = new SubtractFunction(m);
1703	>	final SubtractFunction r2 = new SubtractFunction(m);
1704	>	final SubtractFunction r3 = new SubtractFunction(m);
1705	>
1706	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1707	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1708	>	final Callable<Boolean> complete1 = failFirst ?
1709	>	() -> fst.cancel(mayInterruptIfRunning) :
1710	>	() -> fst.complete(v1);
1711	>	final Callable<Boolean> complete2 = failFirst ?
1712	>	() -> snd.complete(v1) :
1713	>	() -> snd.cancel(mayInterruptIfRunning);
1714	>
1715	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1716	>	assertTrue(complete1.call());
1717	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1718	>	checkIncomplete(h1);
1719	>	checkIncomplete(h2);
1720	>	assertTrue(complete2.call());
1721	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1722	>
1723	>	checkCompletedWithWrappedCancellationException(h1);
1724	>	checkCompletedWithWrappedCancellationException(h2);
1725	>	checkCompletedWithWrappedCancellationException(h3);
1726	>	r1.assertNotInvoked();
1727	>	r2.assertNotInvoked();
1728	>	r3.assertNotInvoked();
1729	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1730	>	checkCancelled(failFirst ? fst : snd);
1731	>	}}
1732
1733		/**
1734	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1734	>	* thenCombine result completes exceptionally if action does
1735		*/
1736	<	public void testApplyToEitherAsync4() {
1737	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1738	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1739	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1740	<	assertTrue(f.cancel(true));
1741	<	checkCompletedWithWrappedCancellationException(g);
1742	<
1743	<	f = new CompletableFuture<>();
1744	<	f2 = new CompletableFuture<>();
1745	<	assertTrue(f2.cancel(true));
1746	<	g = f.applyToEitherAsync(f2, inc);
1747	<	checkCompletedWithWrappedCancellationException(g);
1748	<	}
1736	>	public void testThenCombine_actionFailed() {
1737	>	for (ExecutionMode m : ExecutionMode.values())
1738	>	for (boolean fFirst : new boolean[] { true, false })
1739	>	for (Integer v1 : new Integer[] { 1, null })
1740	>	for (Integer v2 : new Integer[] { 2, null })
1741	>	{
1742	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1743	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1744	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1745	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1746	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1747	>
1748	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1749	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1750	>	final Integer w1 =  fFirst ? v1 : v2;
1751	>	final Integer w2 = !fFirst ? v1 : v2;
1752	>
1753	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1754	>	assertTrue(fst.complete(w1));
1755	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1756	>	assertTrue(snd.complete(w2));
1757	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1758	>
1759	>	checkCompletedWithWrappedException(h1, r1.ex);
1760	>	checkCompletedWithWrappedException(h2, r2.ex);
1761	>	checkCompletedWithWrappedException(h3, r3.ex);
1762	>	r1.assertInvoked();
1763	>	r2.assertInvoked();
1764	>	r3.assertInvoked();
1765	>	checkCompletedNormally(f, v1);
1766	>	checkCompletedNormally(g, v2);
1767	>	}}
1768
1769		/**
1770	<	* acceptEitherAsync result completes normally after normal
1770	>	* thenAcceptBoth result completes normally after normal
1771		* completion of sources
1772		*/
1773	<	public void testAcceptEitherAsync() {
1774	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1775	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1776	<	IncAction r = new IncAction();
1777	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1778	<	f.complete(one);
1779	<	checkCompletedNormally(g, null);
1780	<	assertEquals(r.value, 2);
1781	<
1782	<	r = new IncAction();
1783	<	f = new CompletableFuture<>();
1784	<	f.complete(one);
1785	<	f2 = new CompletableFuture<>();
1786	<	g = f.acceptEitherAsync(f2, r);
1787	<	checkCompletedNormally(g, null);
1788	<	assertEquals(r.value, 2);
1789	<	}
1773	>	public void testThenAcceptBoth_normalCompletion() {
1774	>	for (ExecutionMode m : ExecutionMode.values())
1775	>	for (boolean fFirst : new boolean[] { true, false })
1776	>	for (Integer v1 : new Integer[] { 1, null })
1777	>	for (Integer v2 : new Integer[] { 2, null })
1778	>	{
1779	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1780	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1781	>	final SubtractAction r1 = new SubtractAction(m);
1782	>	final SubtractAction r2 = new SubtractAction(m);
1783	>	final SubtractAction r3 = new SubtractAction(m);
1784	>
1785	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1786	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1787	>	final Integer w1 =  fFirst ? v1 : v2;
1788	>	final Integer w2 = !fFirst ? v1 : v2;
1789	>
1790	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1791	>	assertTrue(fst.complete(w1));
1792	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1793	>	checkIncomplete(h1);
1794	>	checkIncomplete(h2);
1795	>	r1.assertNotInvoked();
1796	>	r2.assertNotInvoked();
1797	>	assertTrue(snd.complete(w2));
1798	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1799	>
1800	>	checkCompletedNormally(h1, null);
1801	>	checkCompletedNormally(h2, null);
1802	>	checkCompletedNormally(h3, null);
1803	>	r1.assertValue(subtract(v1, v2));
1804	>	r2.assertValue(subtract(v1, v2));
1805	>	r3.assertValue(subtract(v1, v2));
1806	>	checkCompletedNormally(f, v1);
1807	>	checkCompletedNormally(g, v2);
1808	>	}}
1809
1810		/**
1811	<	* acceptEitherAsync result completes exceptionally after exceptional
1812	<	* completion of source
1811	>	* thenAcceptBoth result completes exceptionally after exceptional
1812	>	* completion of either source
1813		*/
1814	<	public void testAcceptEitherAsync2() {
1815	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1816	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1817	<	IncAction r = new IncAction();
1818	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1819	<	f.completeExceptionally(new CFException());
1820	<	checkCompletedWithWrappedCFException(g);
1821	<
1822	<	r = new IncAction();
1823	<	f = new CompletableFuture<>();
1824	<	f2 = new CompletableFuture<>();
1825	<	f2.completeExceptionally(new CFException());
1826	<	g = f.acceptEitherAsync(f2, r);
1827	<	f.complete(one);
1828	<	checkCompletedWithWrappedCFException(g);
1829	<	}
1814	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1815	>	for (ExecutionMode m : ExecutionMode.values())
1816	>	for (boolean fFirst : new boolean[] { true, false })
1817	>	for (boolean failFirst : new boolean[] { true, false })
1818	>	for (Integer v1 : new Integer[] { 1, null })
1819	>	{
1820	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1821	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1822	>	final CFException ex = new CFException();
1823	>	final SubtractAction r1 = new SubtractAction(m);
1824	>	final SubtractAction r2 = new SubtractAction(m);
1825	>	final SubtractAction r3 = new SubtractAction(m);
1826	>
1827	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1828	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1829	>	final Callable<Boolean> complete1 = failFirst ?
1830	>	() -> fst.completeExceptionally(ex) :
1831	>	() -> fst.complete(v1);
1832	>	final Callable<Boolean> complete2 = failFirst ?
1833	>	() -> snd.complete(v1) :
1834	>	() -> snd.completeExceptionally(ex);
1835	>
1836	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1837	>	assertTrue(complete1.call());
1838	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1839	>	checkIncomplete(h1);
1840	>	checkIncomplete(h2);
1841	>	assertTrue(complete2.call());
1842	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1843	>
1844	>	checkCompletedWithWrappedException(h1, ex);
1845	>	checkCompletedWithWrappedException(h2, ex);
1846	>	checkCompletedWithWrappedException(h3, ex);
1847	>	r1.assertNotInvoked();
1848	>	r2.assertNotInvoked();
1849	>	r3.assertNotInvoked();
1850	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1851	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1852	>	}}
1853
1854		/**
1855	<	* acceptEitherAsync result completes exceptionally if action does
1855	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1856		*/
1857	<	public void testAcceptEitherAsync3() {
1858	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1859	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1860	<	FailingConsumer r = new FailingConsumer();
1861	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1862	<	f.complete(one);
1863	<	checkCompletedWithWrappedCFException(g);
1864	<	}
1857	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1858	>	for (ExecutionMode m : ExecutionMode.values())
1859	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1860	>	for (boolean fFirst : new boolean[] { true, false })
1861	>	for (boolean failFirst : new boolean[] { true, false })
1862	>	for (Integer v1 : new Integer[] { 1, null })
1863	>	{
1864	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1865	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1866	>	final SubtractAction r1 = new SubtractAction(m);
1867	>	final SubtractAction r2 = new SubtractAction(m);
1868	>	final SubtractAction r3 = new SubtractAction(m);
1869	>
1870	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1871	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1872	>	final Callable<Boolean> complete1 = failFirst ?
1873	>	() -> fst.cancel(mayInterruptIfRunning) :
1874	>	() -> fst.complete(v1);
1875	>	final Callable<Boolean> complete2 = failFirst ?
1876	>	() -> snd.complete(v1) :
1877	>	() -> snd.cancel(mayInterruptIfRunning);
1878	>
1879	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1880	>	assertTrue(complete1.call());
1881	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1882	>	checkIncomplete(h1);
1883	>	checkIncomplete(h2);
1884	>	assertTrue(complete2.call());
1885	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1886	>
1887	>	checkCompletedWithWrappedCancellationException(h1);
1888	>	checkCompletedWithWrappedCancellationException(h2);
1889	>	checkCompletedWithWrappedCancellationException(h3);
1890	>	r1.assertNotInvoked();
1891	>	r2.assertNotInvoked();
1892	>	r3.assertNotInvoked();
1893	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1894	>	checkCancelled(failFirst ? fst : snd);
1895	>	}}
1896
1897		/**
1898	<	* acceptEitherAsync result completes exceptionally if either
2121	<	* source cancelled
1898	>	* thenAcceptBoth result completes exceptionally if action does
1899		*/
1900	<	public void testAcceptEitherAsync4() {
1901	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1902	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1903	<	IncAction r = new IncAction();
1904	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1905	<	assertTrue(f.cancel(true));
1906	<	checkCompletedWithWrappedCancellationException(g);
1907	<
1908	<	r = new IncAction();
1909	<	f = new CompletableFuture<>();
1910	<	f2 = new CompletableFuture<>();
1911	<	assertTrue(f2.cancel(true));
1912	<	g = f.acceptEitherAsync(f2, r);
1913	<	checkCompletedWithWrappedCancellationException(g);
1914	<	}
1900	>	public void testThenAcceptBoth_actionFailed() {
1901	>	for (ExecutionMode m : ExecutionMode.values())
1902	>	for (boolean fFirst : new boolean[] { true, false })
1903	>	for (Integer v1 : new Integer[] { 1, null })
1904	>	for (Integer v2 : new Integer[] { 2, null })
1905	>	{
1906	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1907	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1908	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1909	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1910	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1911	>
1912	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1913	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1914	>	final Integer w1 =  fFirst ? v1 : v2;
1915	>	final Integer w2 = !fFirst ? v1 : v2;
1916	>
1917	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1918	>	assertTrue(fst.complete(w1));
1919	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1920	>	assertTrue(snd.complete(w2));
1921	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1922	>
1923	>	checkCompletedWithWrappedException(h1, r1.ex);
1924	>	checkCompletedWithWrappedException(h2, r2.ex);
1925	>	checkCompletedWithWrappedException(h3, r3.ex);
1926	>	r1.assertInvoked();
1927	>	r2.assertInvoked();
1928	>	r3.assertInvoked();
1929	>	checkCompletedNormally(f, v1);
1930	>	checkCompletedNormally(g, v2);
1931	>	}}
1932
1933		/**
1934	<	* runAfterEitherAsync result completes normally after normal
1934	>	* runAfterBoth result completes normally after normal
1935		* completion of sources
1936		*/
1937	<	public void testRunAfterEitherAsync() {
1938	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1939	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1940	<	Noop r = new Noop();
1941	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1942	<	f.complete(one);
1943	<	checkCompletedNormally(g, null);
1944	<	assertTrue(r.ran);
1945	<
1946	<	r = new Noop();
1947	<	f = new CompletableFuture<>();
1948	<	f.complete(one);
1949	<	f2 = new CompletableFuture<>();
1950	<	g = f.runAfterEitherAsync(f2, r);
1951	<	checkCompletedNormally(g, null);
1952	<	assertTrue(r.ran);
1953	<	}
1937	>	public void testRunAfterBoth_normalCompletion() {
1938	>	for (ExecutionMode m : ExecutionMode.values())
1939	>	for (boolean fFirst : new boolean[] { true, false })
1940	>	for (Integer v1 : new Integer[] { 1, null })
1941	>	for (Integer v2 : new Integer[] { 2, null })
1942	>	{
1943	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1944	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1945	>	final Noop r1 = new Noop(m);
1946	>	final Noop r2 = new Noop(m);
1947	>	final Noop r3 = new Noop(m);
1948	>
1949	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1950	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1951	>	final Integer w1 =  fFirst ? v1 : v2;
1952	>	final Integer w2 = !fFirst ? v1 : v2;
1953	>
1954	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1955	>	assertTrue(fst.complete(w1));
1956	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1957	>	checkIncomplete(h1);
1958	>	checkIncomplete(h2);
1959	>	r1.assertNotInvoked();
1960	>	r2.assertNotInvoked();
1961	>	assertTrue(snd.complete(w2));
1962	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1963	>
1964	>	checkCompletedNormally(h1, null);
1965	>	checkCompletedNormally(h2, null);
1966	>	checkCompletedNormally(h3, null);
1967	>	r1.assertInvoked();
1968	>	r2.assertInvoked();
1969	>	r3.assertInvoked();
1970	>	checkCompletedNormally(f, v1);
1971	>	checkCompletedNormally(g, v2);
1972	>	}}
1973
1974		/**
1975	<	* runAfterEitherAsync result completes exceptionally after exceptional
1976	<	* completion of source
1975	>	* runAfterBoth result completes exceptionally after exceptional
1976	>	* completion of either source
1977		*/
1978	<	public void testRunAfterEitherAsync2() {
1979	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1980	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1981	<	Noop r = new Noop();
1982	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1983	<	f.completeExceptionally(new CFException());
1984	<	checkCompletedWithWrappedCFException(g);
1985	<
1986	<	r = new Noop();
1987	<	f = new CompletableFuture<>();
1988	<	f2 = new CompletableFuture<>();
1989	<	f2.completeExceptionally(new CFException());
1990	<	g = f.runAfterEitherAsync(f2, r);
1991	<	f.complete(one);
1992	<	checkCompletedWithWrappedCFException(g);
1993	<	}
1978	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1979	>	for (ExecutionMode m : ExecutionMode.values())
1980	>	for (boolean fFirst : new boolean[] { true, false })
1981	>	for (boolean failFirst : new boolean[] { true, false })
1982	>	for (Integer v1 : new Integer[] { 1, null })
1983	>	{
1984	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1985	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1986	>	final CFException ex = new CFException();
1987	>	final Noop r1 = new Noop(m);
1988	>	final Noop r2 = new Noop(m);
1989	>	final Noop r3 = new Noop(m);
1990	>
1991	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1992	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1993	>	final Callable<Boolean> complete1 = failFirst ?
1994	>	() -> fst.completeExceptionally(ex) :
1995	>	() -> fst.complete(v1);
1996	>	final Callable<Boolean> complete2 = failFirst ?
1997	>	() -> snd.complete(v1) :
1998	>	() -> snd.completeExceptionally(ex);
1999	>
2000	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2001	>	assertTrue(complete1.call());
2002	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2003	>	checkIncomplete(h1);
2004	>	checkIncomplete(h2);
2005	>	assertTrue(complete2.call());
2006	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2007	>
2008	>	checkCompletedWithWrappedException(h1, ex);
2009	>	checkCompletedWithWrappedException(h2, ex);
2010	>	checkCompletedWithWrappedException(h3, ex);
2011	>	r1.assertNotInvoked();
2012	>	r2.assertNotInvoked();
2013	>	r3.assertNotInvoked();
2014	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2015	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2016	>	}}
2017
2018		/**
2019	<	* runAfterEitherAsync result completes exceptionally if action does
2019	>	* runAfterBoth result completes exceptionally if either source cancelled
2020		*/
2021	<	public void testRunAfterEitherAsync3() {
2022	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2023	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2024	<	FailingNoop r = new FailingNoop();
2025	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2026	<	f.complete(one);
2027	<	checkCompletedWithWrappedCFException(g);
2028	<	}
2021	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2022	>	for (ExecutionMode m : ExecutionMode.values())
2023	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2024	>	for (boolean fFirst : new boolean[] { true, false })
2025	>	for (boolean failFirst : new boolean[] { true, false })
2026	>	for (Integer v1 : new Integer[] { 1, null })
2027	>	{
2028	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2029	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2030	>	final Noop r1 = new Noop(m);
2031	>	final Noop r2 = new Noop(m);
2032	>	final Noop r3 = new Noop(m);
2033	>
2034	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2035	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2036	>	final Callable<Boolean> complete1 = failFirst ?
2037	>	() -> fst.cancel(mayInterruptIfRunning) :
2038	>	() -> fst.complete(v1);
2039	>	final Callable<Boolean> complete2 = failFirst ?
2040	>	() -> snd.complete(v1) :
2041	>	() -> snd.cancel(mayInterruptIfRunning);
2042	>
2043	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2044	>	assertTrue(complete1.call());
2045	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2046	>	checkIncomplete(h1);
2047	>	checkIncomplete(h2);
2048	>	assertTrue(complete2.call());
2049	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2050	>
2051	>	checkCompletedWithWrappedCancellationException(h1);
2052	>	checkCompletedWithWrappedCancellationException(h2);
2053	>	checkCompletedWithWrappedCancellationException(h3);
2054	>	r1.assertNotInvoked();
2055	>	r2.assertNotInvoked();
2056	>	r3.assertNotInvoked();
2057	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2058	>	checkCancelled(failFirst ? fst : snd);
2059	>	}}
2060
2061		/**
2062	<	* runAfterEitherAsync result completes exceptionally if either
2196	<	* source cancelled
2062	>	* runAfterBoth result completes exceptionally if action does
2063		*/
2064	<	public void testRunAfterEitherAsync4() {
2065	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2066	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2067	<	Noop r = new Noop();
2068	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2069	<	assertTrue(f.cancel(true));
2070	<	checkCompletedWithWrappedCancellationException(g);
2071	<
2072	<	r = new Noop();
2073	<	f = new CompletableFuture<>();
2074	<	f2 = new CompletableFuture<>();
2075	<	assertTrue(f2.cancel(true));
2076	<	g = f.runAfterEitherAsync(f2, r);
2077	<	checkCompletedWithWrappedCancellationException(g);
2078	<	}
2064	>	public void testRunAfterBoth_actionFailed() {
2065	>	for (ExecutionMode m : ExecutionMode.values())
2066	>	for (boolean fFirst : new boolean[] { true, false })
2067	>	for (Integer v1 : new Integer[] { 1, null })
2068	>	for (Integer v2 : new Integer[] { 2, null })
2069	>	{
2070	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2071	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2072	>	final FailingRunnable r1 = new FailingRunnable(m);
2073	>	final FailingRunnable r2 = new FailingRunnable(m);
2074	>	final FailingRunnable r3 = new FailingRunnable(m);
2075	>
2076	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2077	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2078	>	final Integer w1 =  fFirst ? v1 : v2;
2079	>	final Integer w2 = !fFirst ? v1 : v2;
2080	>
2081	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2082	>	assertTrue(fst.complete(w1));
2083	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2084	>	assertTrue(snd.complete(w2));
2085	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2086	>
2087	>	checkCompletedWithWrappedException(h1, r1.ex);
2088	>	checkCompletedWithWrappedException(h2, r2.ex);
2089	>	checkCompletedWithWrappedException(h3, r3.ex);
2090	>	r1.assertInvoked();
2091	>	r2.assertInvoked();
2092	>	r3.assertInvoked();
2093	>	checkCompletedNormally(f, v1);
2094	>	checkCompletedNormally(g, v2);
2095	>	}}
2096
2097		/**
2098	<	* thenComposeAsync result completes normally after normal
2099	<	* completion of source
2098	>	* applyToEither result completes normally after normal completion
2099	>	* of either source
2100		*/
2101	<	public void testThenComposeAsync() {
2102	<	CompletableFuture<Integer> f, g;
2103	<	CompletableFutureInc r;
2104	<
2105	<	f = new CompletableFuture<>();
2106	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2107	<	f.complete(one);
2108	<	checkCompletedNormally(g, two);
2109	<
2227	<	f = new CompletableFuture<>();
2228	<	f.complete(one);
2229	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2230	<	checkCompletedNormally(g, two);
2231	<	}
2101	>	public void testApplyToEither_normalCompletion() {
2102	>	for (ExecutionMode m : ExecutionMode.values())
2103	>	for (Integer v1 : new Integer[] { 1, null })
2104	>	for (Integer v2 : new Integer[] { 2, null })
2105	>	{
2106	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2107	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2108	>	final IncFunction[] rs = new IncFunction[6];
2109	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2110
2111	<	/**
2112	<	* thenComposeAsync result completes exceptionally after
2113	<	* exceptional completion of source
2114	<	*/
2115	<	public void testThenComposeAsync2() {
2116	<	CompletableFuture<Integer> f, g;
2117	<	CompletableFutureInc r;
2111	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2112	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2113	>	checkIncomplete(h0);
2114	>	checkIncomplete(h1);
2115	>	rs[0].assertNotInvoked();
2116	>	rs[1].assertNotInvoked();
2117	>	f.complete(v1);
2118	>	checkCompletedNormally(h0, inc(v1));
2119	>	checkCompletedNormally(h1, inc(v1));
2120	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2121	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2122	>	checkCompletedNormally(h2, inc(v1));
2123	>	checkCompletedNormally(h3, inc(v1));
2124	>	g.complete(v2);
2125
2126	<	f = new CompletableFuture<>();
2127	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2128	<	f.completeExceptionally(new CFException());
2129	<	checkCompletedWithWrappedCFException(g);
2130	<	assertFalse(r.ran);
2126	>	// unspecified behavior - both source completions available
2127	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2128	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2129	>	rs[4].assertValue(h4.join());
2130	>	rs[5].assertValue(h5.join());
2131	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2132	>	Objects.equals(inc(v2), h4.join()));
2133	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2134	>	Objects.equals(inc(v2), h5.join()));
2135
2136	<	f = new CompletableFuture<>();
2137	<	f.completeExceptionally(new CFException());
2138	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2139	<	checkCompletedWithWrappedCFException(g);
2140	<	assertFalse(r.ran);
2141	<	}
2136	>	checkCompletedNormally(f, v1);
2137	>	checkCompletedNormally(g, v2);
2138	>	checkCompletedNormally(h0, inc(v1));
2139	>	checkCompletedNormally(h1, inc(v1));
2140	>	checkCompletedNormally(h2, inc(v1));
2141	>	checkCompletedNormally(h3, inc(v1));
2142	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2143	>	}}
2144
2145		/**
2146	<	* thenComposeAsync result completes exceptionally if action does
2146	>	* applyToEither result completes exceptionally after exceptional
2147	>	* completion of either source
2148		*/
2149	<	public void testThenComposeAsync3() {
2150	<	CompletableFuture<Integer> f, g;
2151	<	FailingCompletableFutureFunction r;
2152	<
2153	<	f = new CompletableFuture<>();
2154	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2155	<	f.complete(one);
2156	<	checkCompletedWithWrappedCFException(g);
2149	>	public void testApplyToEither_exceptionalCompletion() {
2150	>	for (ExecutionMode m : ExecutionMode.values())
2151	>	for (Integer v1 : new Integer[] { 1, null })
2152	>	{
2153	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2154	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2155	>	final CFException ex = new CFException();
2156	>	final IncFunction[] rs = new IncFunction[6];
2157	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2158
2159	<	f = new CompletableFuture<>();
2160	<	f.complete(one);
2161	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2162	<	checkCompletedWithWrappedCFException(g);
2163	<	}
2159	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2160	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2161	>	checkIncomplete(h0);
2162	>	checkIncomplete(h1);
2163	>	rs[0].assertNotInvoked();
2164	>	rs[1].assertNotInvoked();
2165	>	f.completeExceptionally(ex);
2166	>	checkCompletedWithWrappedException(h0, ex);
2167	>	checkCompletedWithWrappedException(h1, ex);
2168	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2169	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2170	>	checkCompletedWithWrappedException(h2, ex);
2171	>	checkCompletedWithWrappedException(h3, ex);
2172	>	g.complete(v1);
2173
2174	<	/**
2175	<	* thenComposeAsync result completes exceptionally if source cancelled
2176	<	*/
2177	<	public void testThenComposeAsync4() {
2178	<	CompletableFuture<Integer> f, g;
2179	<	CompletableFutureInc r;
2174	>	// unspecified behavior - both source completions available
2175	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2176	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2177	>	try {
2178	>	assertEquals(inc(v1), h4.join());
2179	>	rs[4].assertValue(inc(v1));
2180	>	} catch (CompletionException ok) {
2181	>	checkCompletedWithWrappedException(h4, ex);
2182	>	rs[4].assertNotInvoked();
2183	>	}
2184	>	try {
2185	>	assertEquals(inc(v1), h5.join());
2186	>	rs[5].assertValue(inc(v1));
2187	>	} catch (CompletionException ok) {
2188	>	checkCompletedWithWrappedException(h5, ex);
2189	>	rs[5].assertNotInvoked();
2190	>	}
2191
2192	<	f = new CompletableFuture<>();
2193	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2194	<	assertTrue(f.cancel(true));
2195	<	checkCompletedWithWrappedCancellationException(g);
2192	>	checkCompletedExceptionally(f, ex);
2193	>	checkCompletedNormally(g, v1);
2194	>	checkCompletedWithWrappedException(h0, ex);
2195	>	checkCompletedWithWrappedException(h1, ex);
2196	>	checkCompletedWithWrappedException(h2, ex);
2197	>	checkCompletedWithWrappedException(h3, ex);
2198	>	checkCompletedWithWrappedException(h4, ex);
2199	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2200	>	}}
2201	>
2202	>	public void testApplyToEither_exceptionalCompletion2() {
2203	>	for (ExecutionMode m : ExecutionMode.values())
2204	>	for (boolean fFirst : new boolean[] { true, false })
2205	>	for (Integer v1 : new Integer[] { 1, null })
2206	>	{
2207	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2208	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2209	>	final CFException ex = new CFException();
2210	>	final IncFunction[] rs = new IncFunction[6];
2211	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2212
2213	<	f = new CompletableFuture<>();
2214	<	assertTrue(f.cancel(true));
2215	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2216	<	checkCompletedWithWrappedCancellationException(g);
2217	<	}
2213	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2214	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2215	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2216	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2217	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2218	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2219	>
2220	>	// unspecified behavior - both source completions available
2221	>	try {
2222	>	assertEquals(inc(v1), h0.join());
2223	>	rs[0].assertValue(inc(v1));
2224	>	} catch (CompletionException ok) {
2225	>	checkCompletedWithWrappedException(h0, ex);
2226	>	rs[0].assertNotInvoked();
2227	>	}
2228	>	try {
2229	>	assertEquals(inc(v1), h1.join());
2230	>	rs[1].assertValue(inc(v1));
2231	>	} catch (CompletionException ok) {
2232	>	checkCompletedWithWrappedException(h1, ex);
2233	>	rs[1].assertNotInvoked();
2234	>	}
2235	>	try {
2236	>	assertEquals(inc(v1), h2.join());
2237	>	rs[2].assertValue(inc(v1));
2238	>	} catch (CompletionException ok) {
2239	>	checkCompletedWithWrappedException(h2, ex);
2240	>	rs[2].assertNotInvoked();
2241	>	}
2242	>	try {
2243	>	assertEquals(inc(v1), h3.join());
2244	>	rs[3].assertValue(inc(v1));
2245	>	} catch (CompletionException ok) {
2246	>	checkCompletedWithWrappedException(h3, ex);
2247	>	rs[3].assertNotInvoked();
2248	>	}
2249
2250	<	// async with explicit executors
2250	>	checkCompletedNormally(f, v1);
2251	>	checkCompletedExceptionally(g, ex);
2252	>	}}
2253
2254		/**
2255	<	* thenRunAsync result completes normally after normal completion of source
2255	>	* applyToEither result completes exceptionally if either source cancelled
2256		*/
2257	<	public void testThenRunAsyncE() {
2258	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2259	<	Noop r = new Noop();
2260	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2261	<	f.complete(null);
2262	<	checkCompletedNormally(g, null);
2263	<
2264	<	// reordered version
2265	<	f = new CompletableFuture<>();
2304	<	f.complete(null);
2305	<	r = new Noop();
2306	<	g = f.thenRunAsync(r, new ThreadExecutor());
2307	<	checkCompletedNormally(g, null);
2308	<	}
2257	>	public void testApplyToEither_sourceCancelled() {
2258	>	for (ExecutionMode m : ExecutionMode.values())
2259	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2260	>	for (Integer v1 : new Integer[] { 1, null })
2261	>	{
2262	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2263	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2264	>	final IncFunction[] rs = new IncFunction[6];
2265	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2266
2267	<	/**
2268	<	* thenRunAsync result completes exceptionally after exceptional
2269	<	* completion of source
2270	<	*/
2271	<	public void testThenRunAsync2E() {
2272	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2273	<	Noop r = new Noop();
2274	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2275	<	f.completeExceptionally(new CFException());
2276	<	try {
2277	<	g.join();
2278	<	shouldThrow();
2279	<	} catch (CompletionException success) {}
2280	<	checkCompletedWithWrappedCFException(g);
2324	<	}
2267	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2268	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2269	>	checkIncomplete(h0);
2270	>	checkIncomplete(h1);
2271	>	rs[0].assertNotInvoked();
2272	>	rs[1].assertNotInvoked();
2273	>	f.cancel(mayInterruptIfRunning);
2274	>	checkCompletedWithWrappedCancellationException(h0);
2275	>	checkCompletedWithWrappedCancellationException(h1);
2276	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2277	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2278	>	checkCompletedWithWrappedCancellationException(h2);
2279	>	checkCompletedWithWrappedCancellationException(h3);
2280	>	g.complete(v1);
2281
2282	<	/**
2283	<	* thenRunAsync result completes exceptionally if action does
2284	<	*/
2285	<	public void testThenRunAsync3E() {
2286	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2287	<	FailingNoop r = new FailingNoop();
2288	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2289	<	f.complete(null);
2290	<	checkCompletedWithWrappedCFException(g);
2291	<	}
2282	>	// unspecified behavior - both source completions available
2283	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2284	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2285	>	try {
2286	>	assertEquals(inc(v1), h4.join());
2287	>	rs[4].assertValue(inc(v1));
2288	>	} catch (CompletionException ok) {
2289	>	checkCompletedWithWrappedCancellationException(h4);
2290	>	rs[4].assertNotInvoked();
2291	>	}
2292	>	try {
2293	>	assertEquals(inc(v1), h5.join());
2294	>	rs[5].assertValue(inc(v1));
2295	>	} catch (CompletionException ok) {
2296	>	checkCompletedWithWrappedCancellationException(h5);
2297	>	rs[5].assertNotInvoked();
2298	>	}
2299
2300	<	/**
2301	<	* thenRunAsync result completes exceptionally if source cancelled
2302	<	*/
2303	<	public void testThenRunAsync4E() {
2304	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2305	<	Noop r = new Noop();
2306	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2307	<	assertTrue(f.cancel(true));
2345	<	checkCompletedWithWrappedCancellationException(g);
2346	<	}
2300	>	checkCancelled(f);
2301	>	checkCompletedNormally(g, v1);
2302	>	checkCompletedWithWrappedCancellationException(h0);
2303	>	checkCompletedWithWrappedCancellationException(h1);
2304	>	checkCompletedWithWrappedCancellationException(h2);
2305	>	checkCompletedWithWrappedCancellationException(h3);
2306	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2307	>	}}
2308
2309	<	/**
2310	<	* thenApplyAsync result completes normally after normal completion of source
2311	<	*/
2312	<	public void testThenApplyAsyncE() {
2313	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2314	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2315	<	f.complete(one);
2316	<	checkCompletedNormally(g, two);
2317	<	}
2309	>	public void testApplyToEither_sourceCancelled2() {
2310	>	for (ExecutionMode m : ExecutionMode.values())
2311	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2312	>	for (boolean fFirst : new boolean[] { true, false })
2313	>	for (Integer v1 : new Integer[] { 1, null })
2314	>	{
2315	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2316	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2317	>	final IncFunction[] rs = new IncFunction[6];
2318	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2319
2320	<	/**
2321	<	* thenApplyAsync result completes exceptionally after exceptional
2322	<	* completion of source
2323	<	*/
2324	<	public void testThenApplyAsync2E() {
2325	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2326	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2327	<	f.completeExceptionally(new CFException());
2328	<	checkCompletedWithWrappedCFException(g);
2329	<	}
2320	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2321	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2322	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2323	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2324	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2325	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2326	>
2327	>	// unspecified behavior - both source completions available
2328	>	try {
2329	>	assertEquals(inc(v1), h0.join());
2330	>	rs[0].assertValue(inc(v1));
2331	>	} catch (CompletionException ok) {
2332	>	checkCompletedWithWrappedCancellationException(h0);
2333	>	rs[0].assertNotInvoked();
2334	>	}
2335	>	try {
2336	>	assertEquals(inc(v1), h1.join());
2337	>	rs[1].assertValue(inc(v1));
2338	>	} catch (CompletionException ok) {
2339	>	checkCompletedWithWrappedCancellationException(h1);
2340	>	rs[1].assertNotInvoked();
2341	>	}
2342	>	try {
2343	>	assertEquals(inc(v1), h2.join());
2344	>	rs[2].assertValue(inc(v1));
2345	>	} catch (CompletionException ok) {
2346	>	checkCompletedWithWrappedCancellationException(h2);
2347	>	rs[2].assertNotInvoked();
2348	>	}
2349	>	try {
2350	>	assertEquals(inc(v1), h3.join());
2351	>	rs[3].assertValue(inc(v1));
2352	>	} catch (CompletionException ok) {
2353	>	checkCompletedWithWrappedCancellationException(h3);
2354	>	rs[3].assertNotInvoked();
2355	>	}
2356
2357	<	/**
2358	<	* thenApplyAsync result completes exceptionally if action does
2359	<	*/
2372	<	public void testThenApplyAsync3E() {
2373	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2374	<	FailingFunction r = new FailingFunction();
2375	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2376	<	f.complete(null);
2377	<	checkCompletedWithWrappedCFException(g);
2378	<	}
2357	>	checkCompletedNormally(f, v1);
2358	>	checkCancelled(g);
2359	>	}}
2360
2361		/**
2362	<	* thenApplyAsync result completes exceptionally if source cancelled
2362	>	* applyToEither result completes exceptionally if action does
2363		*/
2364	<	public void testThenApplyAsync4E() {
2365	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2366	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2367	<	assertTrue(f.cancel(true));
2368	<	checkCompletedWithWrappedCancellationException(g);
2369	<	}
2364	>	public void testApplyToEither_actionFailed() {
2365	>	for (ExecutionMode m : ExecutionMode.values())
2366	>	for (Integer v1 : new Integer[] { 1, null })
2367	>	for (Integer v2 : new Integer[] { 2, null })
2368	>	{
2369	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2370	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2371	>	final FailingFunction[] rs = new FailingFunction[6];
2372	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2373
2374	<	/**
2375	<	* thenAcceptAsync result completes normally after normal
2376	<	* completion of source
2377	<	*/
2378	<	public void testThenAcceptAsyncE() {
2379	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2380	<	IncAction r = new IncAction();
2381	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2382	<	f.complete(one);
2383	<	checkCompletedNormally(g, null);
2400	<	assertEquals(r.value, 2);
2401	<	}
2374	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2375	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2376	>	f.complete(v1);
2377	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2378	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2379	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2380	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2381	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2382	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2383	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2384
2385	<	/**
2404	<	* thenAcceptAsync result completes exceptionally after exceptional
2405	<	* completion of source
2406	<	*/
2407	<	public void testThenAcceptAsync2E() {
2408	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2409	<	IncAction r = new IncAction();
2410	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2411	<	f.completeExceptionally(new CFException());
2412	<	checkCompletedWithWrappedCFException(g);
2413	<	}
2385	>	g.complete(v2);
2386
2387	<	/**
2388	<	* thenAcceptAsync result completes exceptionally if action does
2389	<	*/
2390	<	public void testThenAcceptAsync3E() {
2391	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2392	<	FailingConsumer r = new FailingConsumer();
2393	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2394	<	f.complete(null);
2395	<	checkCompletedWithWrappedCFException(g);
2396	<	}
2387	>	// unspecified behavior - both source completions available
2388	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2389	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2390	>
2391	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2392	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2393	>	Objects.equals(v2, rs[4].value));
2394	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2395	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2396	>	Objects.equals(v2, rs[5].value));
2397
2398	<	/**
2399	<	* thenAcceptAsync result completes exceptionally if source cancelled
2400	<	*/
2429	<	public void testThenAcceptAsync4E() {
2430	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2431	<	IncAction r = new IncAction();
2432	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2433	<	assertTrue(f.cancel(true));
2434	<	checkCompletedWithWrappedCancellationException(g);
2435	<	}
2398	>	checkCompletedNormally(f, v1);
2399	>	checkCompletedNormally(g, v2);
2400	>	}}
2401
2402		/**
2403	<	* thenCombineAsync result completes normally after normal
2404	<	* completion of sources
2403	>	* acceptEither result completes normally after normal completion
2404	>	* of either source
2405		*/
2406	<	public void testThenCombineAsyncE() {
2407	<	CompletableFuture<Integer> f, g, h;
2408	<	ThreadExecutor e = new ThreadExecutor();
2409	<	int count = 0;
2406	>	public void testAcceptEither_normalCompletion() {
2407	>	for (ExecutionMode m : ExecutionMode.values())
2408	>	for (Integer v1 : new Integer[] { 1, null })
2409	>	for (Integer v2 : new Integer[] { 2, null })
2410	>	{
2411	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2412	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2413	>	final NoopConsumer[] rs = new NoopConsumer[6];
2414	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2415
2416	<	f = new CompletableFuture<>();
2417	<	g = new CompletableFuture<>();
2418	<	h = f.thenCombineAsync(g, subtract, e);
2419	<	f.complete(3);
2420	<	checkIncomplete(h);
2421	<	g.complete(1);
2422	<	checkCompletedNormally(h, 2);
2423	<	assertEquals(++count, e.count.get());
2416	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2417	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2418	>	checkIncomplete(h0);
2419	>	checkIncomplete(h1);
2420	>	rs[0].assertNotInvoked();
2421	>	rs[1].assertNotInvoked();
2422	>	f.complete(v1);
2423	>	checkCompletedNormally(h0, null);
2424	>	checkCompletedNormally(h1, null);
2425	>	rs[0].assertValue(v1);
2426	>	rs[1].assertValue(v1);
2427	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2428	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2429	>	checkCompletedNormally(h2, null);
2430	>	checkCompletedNormally(h3, null);
2431	>	rs[2].assertValue(v1);
2432	>	rs[3].assertValue(v1);
2433	>	g.complete(v2);
2434
2435	<	f = new CompletableFuture<>();
2436	<	g = new CompletableFuture<>();
2437	<	h = f.thenCombineAsync(g, subtract, e);
2438	<	g.complete(1);
2439	<	checkIncomplete(h);
2440	<	f.complete(3);
2441	<	checkCompletedNormally(h, 2);
2442	<	assertEquals(++count, e.count.get());
2435	>	// unspecified behavior - both source completions available
2436	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2437	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2438	>	checkCompletedNormally(h4, null);
2439	>	checkCompletedNormally(h5, null);
2440	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2441	>	Objects.equals(v2, rs[4].value));
2442	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2443	>	Objects.equals(v2, rs[5].value));
2444
2445	<	f = new CompletableFuture<>();
2446	<	g = new CompletableFuture<>();
2447	<	g.complete(1);
2448	<	f.complete(3);
2449	<	h = f.thenCombineAsync(g, subtract, e);
2450	<	checkCompletedNormally(h, 2);
2451	<	assertEquals(++count, e.count.get());
2452	<	}
2445	>	checkCompletedNormally(f, v1);
2446	>	checkCompletedNormally(g, v2);
2447	>	checkCompletedNormally(h0, null);
2448	>	checkCompletedNormally(h1, null);
2449	>	checkCompletedNormally(h2, null);
2450	>	checkCompletedNormally(h3, null);
2451	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2452	>	}}
2453
2454		/**
2455	<	* thenCombineAsync result completes exceptionally after exceptional
2455	>	* acceptEither result completes exceptionally after exceptional
2456		* completion of either source
2457		*/
2458	<	public void testThenCombineAsync2E() {
2459	<	CompletableFuture<Integer> f, g, h;
2460	<	ThreadExecutor e = new ThreadExecutor();
2461	<	int count = 0;
2462	<
2463	<	f = new CompletableFuture<>();
2464	<	g = new CompletableFuture<>();
2465	<	h = f.thenCombineAsync(g, subtract, e);
2466	<	f.completeExceptionally(new CFException());
2486	<	checkIncomplete(h);
2487	<	g.complete(1);
2488	<	checkCompletedWithWrappedCFException(h);
2489	<
2490	<	f = new CompletableFuture<>();
2491	<	g = new CompletableFuture<>();
2492	<	h = f.thenCombineAsync(g, subtract, e);
2493	<	g.completeExceptionally(new CFException());
2494	<	checkIncomplete(h);
2495	<	f.complete(3);
2496	<	checkCompletedWithWrappedCFException(h);
2497	<
2498	<	f = new CompletableFuture<>();
2499	<	g = new CompletableFuture<>();
2500	<	g.completeExceptionally(new CFException());
2501	<	h = f.thenCombineAsync(g, subtract, e);
2502	<	checkIncomplete(h);
2503	<	f.complete(3);
2504	<	checkCompletedWithWrappedCFException(h);
2505	<
2506	<	assertEquals(0, e.count.get());
2507	<	}
2508	<
2509	<	/**
2510	<	* thenCombineAsync result completes exceptionally if action does
2511	<	*/
2512	<	public void testThenCombineAsync3E() {
2513	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2514	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2515	<	FailingBiFunction r = new FailingBiFunction();
2516	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2517	<	f.complete(one);
2518	<	checkIncomplete(g);
2519	<	assertFalse(r.ran);
2520	<	f2.complete(two);
2521	<	checkCompletedWithWrappedCFException(g);
2522	<	assertTrue(r.ran);
2523	<	}
2458	>	public void testAcceptEither_exceptionalCompletion() {
2459	>	for (ExecutionMode m : ExecutionMode.values())
2460	>	for (Integer v1 : new Integer[] { 1, null })
2461	>	{
2462	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2463	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2464	>	final CFException ex = new CFException();
2465	>	final NoopConsumer[] rs = new NoopConsumer[6];
2466	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2467
2468	<	/**
2469	<	* thenCombineAsync result completes exceptionally if either source cancelled
2470	<	*/
2471	<	public void testThenCombineAsync4E() {
2472	<	CompletableFuture<Integer> f, g, h;
2473	<	ThreadExecutor e = new ThreadExecutor();
2468	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2469	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2470	>	checkIncomplete(h0);
2471	>	checkIncomplete(h1);
2472	>	rs[0].assertNotInvoked();
2473	>	rs[1].assertNotInvoked();
2474	>	f.completeExceptionally(ex);
2475	>	checkCompletedWithWrappedException(h0, ex);
2476	>	checkCompletedWithWrappedException(h1, ex);
2477	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2478	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2479	>	checkCompletedWithWrappedException(h2, ex);
2480	>	checkCompletedWithWrappedException(h3, ex);
2481
2482	<	f = new CompletableFuture<>();
2533	<	g = new CompletableFuture<>();
2534	<	h = f.thenCombineAsync(g, subtract, e);
2535	<	assertTrue(f.cancel(true));
2536	<	checkIncomplete(h);
2537	<	g.complete(1);
2538	<	checkCompletedWithWrappedCancellationException(h);
2482	>	g.complete(v1);
2483
2484	<	f = new CompletableFuture<>();
2485	<	g = new CompletableFuture<>();
2486	<	h = f.thenCombineAsync(g, subtract, e);
2487	<	assertTrue(g.cancel(true));
2488	<	checkIncomplete(h);
2489	<	f.complete(3);
2490	<	checkCompletedWithWrappedCancellationException(h);
2484	>	// unspecified behavior - both source completions available
2485	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2486	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2487	>	try {
2488	>	assertNull(h4.join());
2489	>	rs[4].assertValue(v1);
2490	>	} catch (CompletionException ok) {
2491	>	checkCompletedWithWrappedException(h4, ex);
2492	>	rs[4].assertNotInvoked();
2493	>	}
2494	>	try {
2495	>	assertNull(h5.join());
2496	>	rs[5].assertValue(v1);
2497	>	} catch (CompletionException ok) {
2498	>	checkCompletedWithWrappedException(h5, ex);
2499	>	rs[5].assertNotInvoked();
2500	>	}
2501
2502	<	f = new CompletableFuture<>();
2503	<	g = new CompletableFuture<>();
2504	<	assertTrue(g.cancel(true));
2505	<	h = f.thenCombineAsync(g, subtract, e);
2506	<	checkIncomplete(h);
2507	<	f.complete(3);
2508	<	checkCompletedWithWrappedCancellationException(h);
2502	>	checkCompletedExceptionally(f, ex);
2503	>	checkCompletedNormally(g, v1);
2504	>	checkCompletedWithWrappedException(h0, ex);
2505	>	checkCompletedWithWrappedException(h1, ex);
2506	>	checkCompletedWithWrappedException(h2, ex);
2507	>	checkCompletedWithWrappedException(h3, ex);
2508	>	checkCompletedWithWrappedException(h4, ex);
2509	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2510	>	}}
2511	>
2512	>	public void testAcceptEither_exceptionalCompletion2() {
2513	>	for (ExecutionMode m : ExecutionMode.values())
2514	>	for (boolean fFirst : new boolean[] { true, false })
2515	>	for (Integer v1 : new Integer[] { 1, null })
2516	>	{
2517	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2518	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2519	>	final CFException ex = new CFException();
2520	>	final NoopConsumer[] rs = new NoopConsumer[6];
2521	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2522
2523	<	f = new CompletableFuture<>();
2524	<	g = new CompletableFuture<>();
2525	<	assertTrue(f.cancel(true));
2526	<	assertTrue(g.cancel(true));
2527	<	h = f.thenCombineAsync(g, subtract, e);
2528	<	checkCompletedWithWrappedCancellationException(h);
2523	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2524	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2525	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2526	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2527	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2528	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2529	>
2530	>	// unspecified behavior - both source completions available
2531	>	try {
2532	>	assertEquals(null, h0.join());
2533	>	rs[0].assertValue(v1);
2534	>	} catch (CompletionException ok) {
2535	>	checkCompletedWithWrappedException(h0, ex);
2536	>	rs[0].assertNotInvoked();
2537	>	}
2538	>	try {
2539	>	assertEquals(null, h1.join());
2540	>	rs[1].assertValue(v1);
2541	>	} catch (CompletionException ok) {
2542	>	checkCompletedWithWrappedException(h1, ex);
2543	>	rs[1].assertNotInvoked();
2544	>	}
2545	>	try {
2546	>	assertEquals(null, h2.join());
2547	>	rs[2].assertValue(v1);
2548	>	} catch (CompletionException ok) {
2549	>	checkCompletedWithWrappedException(h2, ex);
2550	>	rs[2].assertNotInvoked();
2551	>	}
2552	>	try {
2553	>	assertEquals(null, h3.join());
2554	>	rs[3].assertValue(v1);
2555	>	} catch (CompletionException ok) {
2556	>	checkCompletedWithWrappedException(h3, ex);
2557	>	rs[3].assertNotInvoked();
2558	>	}
2559
2560	<	assertEquals(0, e.count.get());
2561	<	}
2560	>	checkCompletedNormally(f, v1);
2561	>	checkCompletedExceptionally(g, ex);
2562	>	}}
2563
2564		/**
2565	<	* thenAcceptBothAsync result completes normally after normal
2568	<	* completion of sources
2565	>	* acceptEither result completes exceptionally if either source cancelled
2566		*/
2567	<	public void testThenAcceptBothAsyncE() {
2568	<	CompletableFuture<Integer> f, g;
2569	<	CompletableFuture<Void> h;
2570	<	SubtractAction r;
2571	<	ThreadExecutor e = new ThreadExecutor();
2567	>	public void testAcceptEither_sourceCancelled() {
2568	>	for (ExecutionMode m : ExecutionMode.values())
2569	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2570	>	for (Integer v1 : new Integer[] { 1, null })
2571	>	{
2572	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2573	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2574	>	final NoopConsumer[] rs = new NoopConsumer[6];
2575	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2576
2577	<	f = new CompletableFuture<>();
2578	<	g = new CompletableFuture<>();
2579	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2580	<	f.complete(3);
2581	<	checkIncomplete(h);
2582	<	g.complete(1);
2583	<	checkCompletedNormally(h, null);
2584	<	assertEquals(r.value, 2);
2577	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2578	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2579	>	checkIncomplete(h0);
2580	>	checkIncomplete(h1);
2581	>	rs[0].assertNotInvoked();
2582	>	rs[1].assertNotInvoked();
2583	>	f.cancel(mayInterruptIfRunning);
2584	>	checkCompletedWithWrappedCancellationException(h0);
2585	>	checkCompletedWithWrappedCancellationException(h1);
2586	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2587	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2588	>	checkCompletedWithWrappedCancellationException(h2);
2589	>	checkCompletedWithWrappedCancellationException(h3);
2590
2591	<	f = new CompletableFuture<>();
2586	<	g = new CompletableFuture<>();
2587	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2588	<	g.complete(1);
2589	<	checkIncomplete(h);
2590	<	f.complete(3);
2591	<	checkCompletedNormally(h, null);
2592	<	assertEquals(r.value, 2);
2591	>	g.complete(v1);
2592
2593	<	f = new CompletableFuture<>();
2594	<	g = new CompletableFuture<>();
2595	<	g.complete(1);
2596	<	f.complete(3);
2597	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2598	<	checkCompletedNormally(h, null);
2599	<	assertEquals(r.value, 2);
2593	>	// unspecified behavior - both source completions available
2594	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2595	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2596	>	try {
2597	>	assertNull(h4.join());
2598	>	rs[4].assertValue(v1);
2599	>	} catch (CompletionException ok) {
2600	>	checkCompletedWithWrappedCancellationException(h4);
2601	>	rs[4].assertNotInvoked();
2602	>	}
2603	>	try {
2604	>	assertNull(h5.join());
2605	>	rs[5].assertValue(v1);
2606	>	} catch (CompletionException ok) {
2607	>	checkCompletedWithWrappedCancellationException(h5);
2608	>	rs[5].assertNotInvoked();
2609	>	}
2610
2611	<	assertEquals(3, e.count.get());
2612	<	}
2611	>	checkCancelled(f);
2612	>	checkCompletedNormally(g, v1);
2613	>	checkCompletedWithWrappedCancellationException(h0);
2614	>	checkCompletedWithWrappedCancellationException(h1);
2615	>	checkCompletedWithWrappedCancellationException(h2);
2616	>	checkCompletedWithWrappedCancellationException(h3);
2617	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2618	>	}}
2619
2620		/**
2621	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2607	<	* completion of source
2621	>	* acceptEither result completes exceptionally if action does
2622		*/
2623	<	public void testThenAcceptBothAsync2E() {
2624	<	CompletableFuture<Integer> f, g;
2625	<	CompletableFuture<Void> h;
2626	<	SubtractAction r;
2627	<	ThreadExecutor e = new ThreadExecutor();
2628	<
2629	<	f = new CompletableFuture<>();
2630	<	g = new CompletableFuture<>();
2631	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2618	<	f.completeExceptionally(new CFException());
2619	<	checkIncomplete(h);
2620	<	g.complete(1);
2621	<	checkCompletedWithWrappedCFException(h);
2622	<
2623	<	f = new CompletableFuture<>();
2624	<	g = new CompletableFuture<>();
2625	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2626	<	g.completeExceptionally(new CFException());
2627	<	checkIncomplete(h);
2628	<	f.complete(3);
2629	<	checkCompletedWithWrappedCFException(h);
2630	<
2631	<	f = new CompletableFuture<>();
2632	<	g = new CompletableFuture<>();
2633	<	f.complete(3);
2634	<	g.completeExceptionally(new CFException());
2635	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2636	<	checkCompletedWithWrappedCFException(h);
2637	<
2638	<	f = new CompletableFuture<>();
2639	<	g = new CompletableFuture<>();
2640	<	f.completeExceptionally(new CFException());
2641	<	g.complete(3);
2642	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2643	<	checkCompletedWithWrappedCFException(h);
2644	<
2645	<	assertEquals(0, e.count.get());
2646	<	}
2623	>	public void testAcceptEither_actionFailed() {
2624	>	for (ExecutionMode m : ExecutionMode.values())
2625	>	for (Integer v1 : new Integer[] { 1, null })
2626	>	for (Integer v2 : new Integer[] { 2, null })
2627	>	{
2628	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2629	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2630	>	final FailingConsumer[] rs = new FailingConsumer[6];
2631	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2632
2633	<	/**
2634	<	* thenAcceptBothAsync result completes exceptionally if action does
2635	<	*/
2636	<	public void testThenAcceptBothAsync3E() {
2637	<	CompletableFuture<Integer> f, g;
2638	<	CompletableFuture<Void> h;
2639	<	FailingBiConsumer r;
2640	<	ThreadExecutor e = new ThreadExecutor();
2633	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2634	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2635	>	f.complete(v1);
2636	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2637	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2638	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2639	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2640	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2641	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2642	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2643
2644	<	f = new CompletableFuture<>();
2658	<	g = new CompletableFuture<>();
2659	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2660	<	f.complete(3);
2661	<	checkIncomplete(h);
2662	<	g.complete(1);
2663	<	checkCompletedWithWrappedCFException(h);
2644	>	g.complete(v2);
2645
2646	<	f = new CompletableFuture<>();
2647	<	g = new CompletableFuture<>();
2648	<	f.complete(3);
2649	<	g.complete(1);
2650	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2651	<	checkCompletedWithWrappedCFException(h);
2646	>	// unspecified behavior - both source completions available
2647	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2648	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2649	>
2650	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2651	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2652	>	Objects.equals(v2, rs[4].value));
2653	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2654	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2655	>	Objects.equals(v2, rs[5].value));
2656
2657	<	assertEquals(2, e.count.get());
2658	<	}
2657	>	checkCompletedNormally(f, v1);
2658	>	checkCompletedNormally(g, v2);
2659	>	}}
2660
2661		/**
2662	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2662	>	* runAfterEither result completes normally after normal completion
2663	>	* of either source
2664		*/
2665	<	public void testThenAcceptBothAsync4E() {
2666	<	CompletableFuture<Integer> f, g;
2667	<	CompletableFuture<Void> h;
2668	<	SubtractAction r;
2669	<	ThreadExecutor e = new ThreadExecutor();
2670	<
2671	<	f = new CompletableFuture<>();
2672	<	g = new CompletableFuture<>();
2673	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2687	<	assertTrue(f.cancel(true));
2688	<	checkIncomplete(h);
2689	<	g.complete(1);
2690	<	checkCompletedWithWrappedCancellationException(h);
2691	<
2692	<	f = new CompletableFuture<>();
2693	<	g = new CompletableFuture<>();
2694	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2695	<	assertTrue(g.cancel(true));
2696	<	checkIncomplete(h);
2697	<	f.complete(3);
2698	<	checkCompletedWithWrappedCancellationException(h);
2665	>	public void testRunAfterEither_normalCompletion() {
2666	>	for (ExecutionMode m : ExecutionMode.values())
2667	>	for (Integer v1 : new Integer[] { 1, null })
2668	>	for (Integer v2 : new Integer[] { 2, null })
2669	>	{
2670	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2671	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2672	>	final Noop[] rs = new Noop[6];
2673	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2674
2675	<	f = new CompletableFuture<>();
2676	<	g = new CompletableFuture<>();
2677	<	f.complete(3);
2678	<	assertTrue(g.cancel(true));
2679	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2680	<	checkCompletedWithWrappedCancellationException(h);
2675	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2676	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2677	>	checkIncomplete(h0);
2678	>	checkIncomplete(h1);
2679	>	rs[0].assertNotInvoked();
2680	>	rs[1].assertNotInvoked();
2681	>	f.complete(v1);
2682	>	checkCompletedNormally(h0, null);
2683	>	checkCompletedNormally(h1, null);
2684	>	rs[0].assertInvoked();
2685	>	rs[1].assertInvoked();
2686	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2687	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2688	>	checkCompletedNormally(h2, null);
2689	>	checkCompletedNormally(h3, null);
2690	>	rs[2].assertInvoked();
2691	>	rs[3].assertInvoked();
2692
2693	<	f = new CompletableFuture<>();
2708	<	g = new CompletableFuture<>();
2709	<	assertTrue(f.cancel(true));
2710	<	g.complete(3);
2711	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2712	<	checkCompletedWithWrappedCancellationException(h);
2693	>	g.complete(v2);
2694
2695	<	assertEquals(0, e.count.get());
2696	<	}
2695	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2696	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2697
2698	<	/**
2699	<	* runAfterBothAsync result completes normally after normal
2700	<	* completion of sources
2701	<	*/
2702	<	public void testRunAfterBothAsyncE() {
2703	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2704	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2705	<	Noop r = new Noop();
2706	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2707	<	f.complete(one);
2727	<	checkIncomplete(g);
2728	<	f2.complete(two);
2729	<	checkCompletedNormally(g, null);
2730	<	assertTrue(r.ran);
2731	<	}
2698	>	checkCompletedNormally(f, v1);
2699	>	checkCompletedNormally(g, v2);
2700	>	checkCompletedNormally(h0, null);
2701	>	checkCompletedNormally(h1, null);
2702	>	checkCompletedNormally(h2, null);
2703	>	checkCompletedNormally(h3, null);
2704	>	checkCompletedNormally(h4, null);
2705	>	checkCompletedNormally(h5, null);
2706	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2707	>	}}
2708
2709		/**
2710	<	* runAfterBothAsync result completes exceptionally after exceptional
2711	<	* completion of source
2710	>	* runAfterEither result completes exceptionally after exceptional
2711	>	* completion of either source
2712		*/
2713	<	public void testRunAfterBothAsync2E() {
2714	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2715	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2716	<	Noop r = new Noop();
2717	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2718	<	f.completeExceptionally(new CFException());
2719	<	f2.complete(two);
2720	<	checkCompletedWithWrappedCFException(g);
2713	>	public void testRunAfterEither_exceptionalCompletion() {
2714	>	for (ExecutionMode m : ExecutionMode.values())
2715	>	for (Integer v1 : new Integer[] { 1, null })
2716	>	{
2717	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2718	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2719	>	final CFException ex = new CFException();
2720	>	final Noop[] rs = new Noop[6];
2721	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2722
2723	<	r = new Noop();
2724	<	f = new CompletableFuture<>();
2725	<	f2 = new CompletableFuture<>();
2726	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2727	<	f.complete(one);
2728	<	f2.completeExceptionally(new CFException());
2729	<	checkCompletedWithWrappedCFException(g);
2730	<	}
2723	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2724	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2725	>	checkIncomplete(h0);
2726	>	checkIncomplete(h1);
2727	>	rs[0].assertNotInvoked();
2728	>	rs[1].assertNotInvoked();
2729	>	assertTrue(f.completeExceptionally(ex));
2730	>	checkCompletedWithWrappedException(h0, ex);
2731	>	checkCompletedWithWrappedException(h1, ex);
2732	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2733	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2734	>	checkCompletedWithWrappedException(h2, ex);
2735	>	checkCompletedWithWrappedException(h3, ex);
2736	>
2737	>	assertTrue(g.complete(v1));
2738	>
2739	>	// unspecified behavior - both source completions available
2740	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2741	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2742	>	try {
2743	>	assertNull(h4.join());
2744	>	rs[4].assertInvoked();
2745	>	} catch (CompletionException ok) {
2746	>	checkCompletedWithWrappedException(h4, ex);
2747	>	rs[4].assertNotInvoked();
2748	>	}
2749	>	try {
2750	>	assertNull(h5.join());
2751	>	rs[5].assertInvoked();
2752	>	} catch (CompletionException ok) {
2753	>	checkCompletedWithWrappedException(h5, ex);
2754	>	rs[5].assertNotInvoked();
2755	>	}
2756
2757	<	/**
2758	<	* runAfterBothAsync result completes exceptionally if action does
2759	<	*/
2760	<	public void testRunAfterBothAsync3E() {
2761	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2762	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2763	<	FailingNoop r = new FailingNoop();
2764	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2765	<	f.complete(one);
2766	<	checkIncomplete(g);
2767	<	f2.complete(two);
2768	<	checkCompletedWithWrappedCFException(g);
2769	<	}
2757	>	checkCompletedExceptionally(f, ex);
2758	>	checkCompletedNormally(g, v1);
2759	>	checkCompletedWithWrappedException(h0, ex);
2760	>	checkCompletedWithWrappedException(h1, ex);
2761	>	checkCompletedWithWrappedException(h2, ex);
2762	>	checkCompletedWithWrappedException(h3, ex);
2763	>	checkCompletedWithWrappedException(h4, ex);
2764	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2765	>	}}
2766	>
2767	>	public void testRunAfterEither_exceptionalCompletion2() {
2768	>	for (ExecutionMode m : ExecutionMode.values())
2769	>	for (boolean fFirst : new boolean[] { true, false })
2770	>	for (Integer v1 : new Integer[] { 1, null })
2771	>	{
2772	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2773	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2774	>	final CFException ex = new CFException();
2775	>	final Noop[] rs = new Noop[6];
2776	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2777
2778	<	/**
2779	<	* runAfterBothAsync result completes exceptionally if either source cancelled
2780	<	*/
2781	<	public void testRunAfterBothAsync4E() {
2782	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2783	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2784	<	Noop r = new Noop();
2785	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2786	<	assertTrue(f.cancel(true));
2787	<	f2.complete(two);
2788	<	checkCompletedWithWrappedCancellationException(g);
2778	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2779	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2780	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2781	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2782	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2783	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2784	>
2785	>	// unspecified behavior - both source completions available
2786	>	try {
2787	>	assertEquals(null, h0.join());
2788	>	rs[0].assertInvoked();
2789	>	} catch (CompletionException ok) {
2790	>	checkCompletedWithWrappedException(h0, ex);
2791	>	rs[0].assertNotInvoked();
2792	>	}
2793	>	try {
2794	>	assertEquals(null, h1.join());
2795	>	rs[1].assertInvoked();
2796	>	} catch (CompletionException ok) {
2797	>	checkCompletedWithWrappedException(h1, ex);
2798	>	rs[1].assertNotInvoked();
2799	>	}
2800	>	try {
2801	>	assertEquals(null, h2.join());
2802	>	rs[2].assertInvoked();
2803	>	} catch (CompletionException ok) {
2804	>	checkCompletedWithWrappedException(h2, ex);
2805	>	rs[2].assertNotInvoked();
2806	>	}
2807	>	try {
2808	>	assertEquals(null, h3.join());
2809	>	rs[3].assertInvoked();
2810	>	} catch (CompletionException ok) {
2811	>	checkCompletedWithWrappedException(h3, ex);
2812	>	rs[3].assertNotInvoked();
2813	>	}
2814
2815	<	r = new Noop();
2816	<	f = new CompletableFuture<>();
2817	<	f2 = new CompletableFuture<>();
2784	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2785	<	f.complete(one);
2786	<	assertTrue(f2.cancel(true));
2787	<	checkCompletedWithWrappedCancellationException(g);
2788	<	}
2815	>	checkCompletedNormally(f, v1);
2816	>	checkCompletedExceptionally(g, ex);
2817	>	}}
2818
2819		/**
2820	<	* applyToEitherAsync result completes normally after normal
2792	<	* completion of sources
2820	>	* runAfterEither result completes exceptionally if either source cancelled
2821		*/
2822	<	public void testApplyToEitherAsyncE() {
2823	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2824	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2825	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2826	<	f.complete(one);
2827	<	checkCompletedNormally(g, two);
2828	<
2829	<	f = new CompletableFuture<>();
2830	<	f.complete(one);
2803	<	f2 = new CompletableFuture<>();
2804	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2805	<	checkCompletedNormally(g, two);
2806	<	}
2822	>	public void testRunAfterEither_sourceCancelled() {
2823	>	for (ExecutionMode m : ExecutionMode.values())
2824	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2825	>	for (Integer v1 : new Integer[] { 1, null })
2826	>	{
2827	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2828	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2829	>	final Noop[] rs = new Noop[6];
2830	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2831
2832	<	/**
2833	<	* applyToEitherAsync result completes exceptionally after exceptional
2834	<	* completion of source
2835	<	*/
2836	<	public void testApplyToEitherAsync2E() {
2837	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2838	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2839	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2840	<	f.completeExceptionally(new CFException());
2841	<	checkCompletedWithWrappedCFException(g);
2832	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2833	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2834	>	checkIncomplete(h0);
2835	>	checkIncomplete(h1);
2836	>	rs[0].assertNotInvoked();
2837	>	rs[1].assertNotInvoked();
2838	>	f.cancel(mayInterruptIfRunning);
2839	>	checkCompletedWithWrappedCancellationException(h0);
2840	>	checkCompletedWithWrappedCancellationException(h1);
2841	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2842	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2843	>	checkCompletedWithWrappedCancellationException(h2);
2844	>	checkCompletedWithWrappedCancellationException(h3);
2845	>
2846	>	assertTrue(g.complete(v1));
2847	>
2848	>	// unspecified behavior - both source completions available
2849	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2850	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2851	>	try {
2852	>	assertNull(h4.join());
2853	>	rs[4].assertInvoked();
2854	>	} catch (CompletionException ok) {
2855	>	checkCompletedWithWrappedCancellationException(h4);
2856	>	rs[4].assertNotInvoked();
2857	>	}
2858	>	try {
2859	>	assertNull(h5.join());
2860	>	rs[5].assertInvoked();
2861	>	} catch (CompletionException ok) {
2862	>	checkCompletedWithWrappedCancellationException(h5);
2863	>	rs[5].assertNotInvoked();
2864	>	}
2865
2866	<	f = new CompletableFuture<>();
2867	<	f2 = new CompletableFuture<>();
2868	<	f2.completeExceptionally(new CFException());
2869	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2870	<	f.complete(one);
2871	<	checkCompletedWithWrappedCFException(g);
2872	<	}
2866	>	checkCancelled(f);
2867	>	checkCompletedNormally(g, v1);
2868	>	checkCompletedWithWrappedCancellationException(h0);
2869	>	checkCompletedWithWrappedCancellationException(h1);
2870	>	checkCompletedWithWrappedCancellationException(h2);
2871	>	checkCompletedWithWrappedCancellationException(h3);
2872	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2873	>	}}
2874
2875		/**
2876	<	* applyToEitherAsync result completes exceptionally if action does
2876	>	* runAfterEither result completes exceptionally if action does
2877		*/
2878	<	public void testApplyToEitherAsync3E() {
2879	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2880	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2881	<	FailingFunction r = new FailingFunction();
2882	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2883	<	f.complete(one);
2884	<	checkCompletedWithWrappedCFException(g);
2885	<	}
2878	>	public void testRunAfterEither_actionFailed() {
2879	>	for (ExecutionMode m : ExecutionMode.values())
2880	>	for (Integer v1 : new Integer[] { 1, null })
2881	>	for (Integer v2 : new Integer[] { 2, null })
2882	>	{
2883	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2884	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2885	>	final FailingRunnable[] rs = new FailingRunnable[6];
2886	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2887
2888	<	/**
2889	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2890	<	*/
2891	<	public void testApplyToEitherAsync4E() {
2892	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2893	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2894	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2895	<	assertTrue(f.cancel(true));
2896	<	checkCompletedWithWrappedCancellationException(g);
2888	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2889	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2890	>	assertTrue(f.complete(v1));
2891	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2892	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2893	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2894	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2895	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2896	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2897	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2898	>	assertTrue(g.complete(v2));
2899	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2900	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2901	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2902	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2903
2904	<	f = new CompletableFuture<>();
2905	<	f2 = new CompletableFuture<>();
2906	<	assertTrue(f2.cancel(true));
2907	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2853	<	checkCompletedWithWrappedCancellationException(g);
2854	<	}
2904	>	checkCompletedNormally(f, v1);
2905	>	checkCompletedNormally(g, v2);
2906	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2907	>	}}
2908
2909		/**
2910	<	* acceptEitherAsync result completes normally after normal
2858	<	* completion of sources
2910	>	* thenCompose result completes normally after normal completion of source
2911		*/
2912	<	public void testAcceptEitherAsyncE() {
2913	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2914	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2915	<	IncAction r = new IncAction();
2916	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2917	<	f.complete(one);
2918	<	checkCompletedNormally(g, null);
2919	<	assertEquals(r.value, 2);
2912	>	public void testThenCompose_normalCompletion() {
2913	>	for (ExecutionMode m : ExecutionMode.values())
2914	>	for (boolean createIncomplete : new boolean[] { true, false })
2915	>	for (Integer v1 : new Integer[] { 1, null })
2916	>	{
2917	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2918	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2919	>	if (!createIncomplete) assertTrue(f.complete(v1));
2920	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2921	>	if (createIncomplete) assertTrue(f.complete(v1));
2922
2923	<	r = new IncAction();
2924	<	f = new CompletableFuture<>();
2925	<	f.complete(one);
2926	<	f2 = new CompletableFuture<>();
2873	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2874	<	checkCompletedNormally(g, null);
2875	<	assertEquals(r.value, 2);
2876	<	}
2923	>	checkCompletedNormally(g, inc(v1));
2924	>	checkCompletedNormally(f, v1);
2925	>	r.assertValue(v1);
2926	>	}}
2927
2928		/**
2929	<	* acceptEitherAsync result completes exceptionally after exceptional
2929	>	* thenCompose result completes exceptionally after exceptional
2930		* completion of source
2931		*/
2932	<	public void testAcceptEitherAsync2E() {
2933	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2934	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2935	<	IncAction r = new IncAction();
2936	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2937	<	f.completeExceptionally(new CFException());
2938	<	checkCompletedWithWrappedCFException(g);
2939	<
2940	<	r = new IncAction();
2941	<	f = new CompletableFuture<>();
2942	<	f2 = new CompletableFuture<>();
2943	<	f2.completeExceptionally(new CFException());
2944	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2945	<	f.complete(one);
2946	<	checkCompletedWithWrappedCFException(g);
2897	<	}
2898	<
2899	<	/**
2900	<	* acceptEitherAsync result completes exceptionally if action does
2901	<	*/
2902	<	public void testAcceptEitherAsync3E() {
2903	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2904	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2905	<	FailingConsumer r = new FailingConsumer();
2906	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2907	<	f.complete(one);
2908	<	checkCompletedWithWrappedCFException(g);
2909	<	}
2910	<
2911	<	/**
2912	<	* acceptEitherAsync result completes exceptionally if either
2913	<	* source cancelled
2914	<	*/
2915	<	public void testAcceptEitherAsync4E() {
2916	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2917	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2918	<	IncAction r = new IncAction();
2919	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2920	<	assertTrue(f.cancel(true));
2921	<	checkCompletedWithWrappedCancellationException(g);
2922	<
2923	<	r = new IncAction();
2924	<	f = new CompletableFuture<>();
2925	<	f2 = new CompletableFuture<>();
2926	<	assertTrue(f2.cancel(true));
2927	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2928	<	checkCompletedWithWrappedCancellationException(g);
2929	<	}
2930	<
2931	<	/**
2932	<	* runAfterEitherAsync result completes normally after normal
2933	<	* completion of sources
2934	<	*/
2935	<	public void testRunAfterEitherAsyncE() {
2936	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2937	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2938	<	Noop r = new Noop();
2939	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2940	<	f.complete(one);
2941	<	checkCompletedNormally(g, null);
2942	<	assertTrue(r.ran);
2943	<
2944	<	r = new Noop();
2945	<	f = new CompletableFuture<>();
2946	<	f.complete(one);
2947	<	f2 = new CompletableFuture<>();
2948	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2949	<	checkCompletedNormally(g, null);
2950	<	assertTrue(r.ran);
2951	<	}
2932	>	public void testThenCompose_exceptionalCompletion() {
2933	>	for (ExecutionMode m : ExecutionMode.values())
2934	>	for (boolean createIncomplete : new boolean[] { true, false })
2935	>	{
2936	>	final CFException ex = new CFException();
2937	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2938	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2939	>	if (!createIncomplete) f.completeExceptionally(ex);
2940	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2941	>	if (createIncomplete) f.completeExceptionally(ex);
2942	>
2943	>	checkCompletedWithWrappedException(g, ex);
2944	>	checkCompletedExceptionally(f, ex);
2945	>	r.assertNotInvoked();
2946	>	}}
2947
2948		/**
2949	<	* runAfterEitherAsync result completes exceptionally after exceptional
2955	<	* completion of source
2949	>	* thenCompose result completes exceptionally if action does
2950		*/
2951	<	public void testRunAfterEitherAsync2E() {
2952	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2953	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2954	<	Noop r = new Noop();
2955	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2956	<	f.completeExceptionally(new CFException());
2957	<	checkCompletedWithWrappedCFException(g);
2958	<
2959	<	r = new Noop();
2960	<	f = new CompletableFuture<>();
2961	<	f2 = new CompletableFuture<>();
2968	<	f2.completeExceptionally(new CFException());
2969	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2970	<	f.complete(one);
2971	<	checkCompletedWithWrappedCFException(g);
2972	<	}
2951	>	public void testThenCompose_actionFailed() {
2952	>	for (ExecutionMode m : ExecutionMode.values())
2953	>	for (boolean createIncomplete : new boolean[] { true, false })
2954	>	for (Integer v1 : new Integer[] { 1, null })
2955	>	{
2956	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2957	>	final FailingCompletableFutureFunction r
2958	>	= new FailingCompletableFutureFunction(m);
2959	>	if (!createIncomplete) assertTrue(f.complete(v1));
2960	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2961	>	if (createIncomplete) assertTrue(f.complete(v1));
2962
2963	<	/**
2964	<	* runAfterEitherAsync result completes exceptionally if action does
2965	<	*/
2977	<	public void testRunAfterEitherAsync3E() {
2978	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2979	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2980	<	FailingNoop r = new FailingNoop();
2981	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2982	<	f.complete(one);
2983	<	checkCompletedWithWrappedCFException(g);
2984	<	}
2963	>	checkCompletedWithWrappedException(g, r.ex);
2964	>	checkCompletedNormally(f, v1);
2965	>	}}
2966
2967		/**
2968	<	* runAfterEitherAsync result completes exceptionally if either
2988	<	* source cancelled
2968	>	* thenCompose result completes exceptionally if source cancelled
2969		*/
2970	<	public void testRunAfterEitherAsync4E() {
2971	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2972	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2973	<	Noop r = new Noop();
2974	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2975	<	assertTrue(f.cancel(true));
2976	<	checkCompletedWithWrappedCancellationException(g);
2970	>	public void testThenCompose_sourceCancelled() {
2971	>	for (ExecutionMode m : ExecutionMode.values())
2972	>	for (boolean createIncomplete : new boolean[] { true, false })
2973	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2974	>	{
2975	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2976	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2977	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2978	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2979	>	if (createIncomplete) {
2980	>	checkIncomplete(g);
2981	>	assertTrue(f.cancel(mayInterruptIfRunning));
2982	>	}
2983
2998	–	r = new Noop();
2999	–	f = new CompletableFuture<>();
3000	–	f2 = new CompletableFuture<>();
3001	–	assertTrue(f2.cancel(true));
3002	–	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2984		checkCompletedWithWrappedCancellationException(g);
2985	<	}
2986	<
3006	<	/**
3007	<	* thenComposeAsync result completes normally after normal
3008	<	* completion of source
3009	<	*/
3010	<	public void testThenComposeAsyncE() {
3011	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3012	<	CompletableFutureInc r = new CompletableFutureInc();
3013	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3014	<	f.complete(one);
3015	<	checkCompletedNormally(g, two);
3016	<	}
3017	<
3018	<	/**
3019	<	* thenComposeAsync result completes exceptionally after
3020	<	* exceptional completion of source
3021	<	*/
3022	<	public void testThenComposeAsync2E() {
3023	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3024	<	CompletableFutureInc r = new CompletableFutureInc();
3025	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3026	<	f.completeExceptionally(new CFException());
3027	<	checkCompletedWithWrappedCFException(g);
3028	<	}
2985	>	checkCancelled(f);
2986	>	}}
2987
2988		/**
2989	<	* thenComposeAsync result completes exceptionally if action does
2989	>	* thenCompose result completes exceptionally if the result of the action does
2990		*/
2991	<	public void testThenComposeAsync3E() {
2992	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2993	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2994	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2995	<	f.complete(one);
2996	<	checkCompletedWithWrappedCFException(g);
2997	<	}
2991	>	public void testThenCompose_actionReturnsFailingFuture() {
2992	>	for (ExecutionMode m : ExecutionMode.values())
2993	>	for (int order = 0; order < 6; order++)
2994	>	for (Integer v1 : new Integer[] { 1, null })
2995	>	{
2996	>	final CFException ex = new CFException();
2997	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2998	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2999	>	final CompletableFuture<Integer> h;
3000	>	// Test all permutations of orders
3001	>	switch (order) {
3002	>	case 0:
3003	>	assertTrue(f.complete(v1));
3004	>	assertTrue(g.completeExceptionally(ex));
3005	>	h = m.thenCompose(f, (x -> g));
3006	>	break;
3007	>	case 1:
3008	>	assertTrue(f.complete(v1));
3009	>	h = m.thenCompose(f, (x -> g));
3010	>	assertTrue(g.completeExceptionally(ex));
3011	>	break;
3012	>	case 2:
3013	>	assertTrue(g.completeExceptionally(ex));
3014	>	assertTrue(f.complete(v1));
3015	>	h = m.thenCompose(f, (x -> g));
3016	>	break;
3017	>	case 3:
3018	>	assertTrue(g.completeExceptionally(ex));
3019	>	h = m.thenCompose(f, (x -> g));
3020	>	assertTrue(f.complete(v1));
3021	>	break;
3022	>	case 4:
3023	>	h = m.thenCompose(f, (x -> g));
3024	>	assertTrue(f.complete(v1));
3025	>	assertTrue(g.completeExceptionally(ex));
3026	>	break;
3027	>	case 5:
3028	>	h = m.thenCompose(f, (x -> g));
3029	>	assertTrue(f.complete(v1));
3030	>	assertTrue(g.completeExceptionally(ex));
3031	>	break;
3032	>	default: throw new AssertionError();
3033	>	}
3034
3035	<	/**
3036	<	* thenComposeAsync result completes exceptionally if source cancelled
3037	<	*/
3038	<	public void testThenComposeAsync4E() {
3045	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3046	<	CompletableFutureInc r = new CompletableFutureInc();
3047	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3048	<	assertTrue(f.cancel(true));
3049	<	checkCompletedWithWrappedCancellationException(g);
3050	<	}
3035	>	checkCompletedExceptionally(g, ex);
3036	>	checkCompletedWithWrappedException(h, ex);
3037	>	checkCompletedNormally(f, v1);
3038	>	}}
3039
3040		// other static methods
3041
#	Line 3065 | Line 3053 | public class CompletableFutureTest exten
3053		* when all components complete normally
3054		*/
3055		public void testAllOf_normal() throws Exception {
3056	<	for (int k = 1; k < 20; ++k) {
3057	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3058	<	for (int i = 0; i < k; ++i)
3056	>	for (int k = 1; k < 10; k++) {
3057	>	CompletableFuture<Integer>[] fs
3058	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3059	>	for (int i = 0; i < k; i++)
3060	>	fs[i] = new CompletableFuture<>();
3061	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3062	>	for (int i = 0; i < k; i++) {
3063	>	checkIncomplete(f);
3064	>	checkIncomplete(CompletableFuture.allOf(fs));
3065	>	fs[i].complete(one);
3066	>	}
3067	>	checkCompletedNormally(f, null);
3068	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3069	>	}
3070	>	}
3071	>
3072	>	public void testAllOf_normal_backwards() throws Exception {
3073	>	for (int k = 1; k < 10; k++) {
3074	>	CompletableFuture<Integer>[] fs
3075	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3076	>	for (int i = 0; i < k; i++)
3077		fs[i] = new CompletableFuture<>();
3078		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3079	<	for (int i = 0; i < k; ++i) {
3079	>	for (int i = k - 1; i >= 0; i--) {
3080		checkIncomplete(f);
3081		checkIncomplete(CompletableFuture.allOf(fs));
3082		fs[i].complete(one);
#	Line 3080 | Line 3086 | public class CompletableFutureTest exten
3086		}
3087		}
3088
3089	+	public void testAllOf_exceptional() throws Exception {
3090	+	for (int k = 1; k < 10; k++) {
3091	+	CompletableFuture<Integer>[] fs
3092	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3093	+	CFException ex = new CFException();
3094	+	for (int i = 0; i < k; i++)
3095	+	fs[i] = new CompletableFuture<>();
3096	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3097	+	for (int i = 0; i < k; i++) {
3098	+	checkIncomplete(f);
3099	+	checkIncomplete(CompletableFuture.allOf(fs));
3100	+	if (i != k / 2) {
3101	+	fs[i].complete(i);
3102	+	checkCompletedNormally(fs[i], i);
3103	+	} else {
3104	+	fs[i].completeExceptionally(ex);
3105	+	checkCompletedExceptionally(fs[i], ex);
3106	+	}
3107	+	}
3108	+	checkCompletedWithWrappedException(f, ex);
3109	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3110	+	}
3111	+	}
3112	+
3113		/**
3114		* anyOf(no component futures) returns an incomplete future
3115		*/
3116		public void testAnyOf_empty() throws Exception {
3117	+	for (Integer v1 : new Integer[] { 1, null })
3118	+	{
3119		CompletableFuture<Object> f = CompletableFuture.anyOf();
3120		checkIncomplete(f);
3121	<	}
3121	>
3122	>	f.complete(v1);
3123	>	checkCompletedNormally(f, v1);
3124	>	}}
3125
3126		/**
3127		* anyOf returns a future completed normally with a value when
3128		* a component future does
3129		*/
3130		public void testAnyOf_normal() throws Exception {
3131	<	for (int k = 0; k < 10; ++k) {
3131	>	for (int k = 0; k < 10; k++) {
3132		CompletableFuture[] fs = new CompletableFuture[k];
3133	<	for (int i = 0; i < k; ++i)
3133	>	for (int i = 0; i < k; i++)
3134		fs[i] = new CompletableFuture<>();
3135		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3136		checkIncomplete(f);
3137	<	for (int i = 0; i < k; ++i) {
3138	<	fs[i].complete(one);
3139	<	checkCompletedNormally(f, one);
3140	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3137	>	for (int i = 0; i < k; i++) {
3138	>	fs[i].complete(i);
3139	>	checkCompletedNormally(f, 0);
3140	>	int x = (int) CompletableFuture.anyOf(fs).join();
3141	>	assertTrue(0 <= x && x <= i);
3142	>	}
3143	>	}
3144	>	}
3145	>	public void testAnyOf_normal_backwards() throws Exception {
3146	>	for (int k = 0; k < 10; k++) {
3147	>	CompletableFuture[] fs = new CompletableFuture[k];
3148	>	for (int i = 0; i < k; i++)
3149	>	fs[i] = new CompletableFuture<>();
3150	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3151	>	checkIncomplete(f);
3152	>	for (int i = k - 1; i >= 0; i--) {
3153	>	fs[i].complete(i);
3154	>	checkCompletedNormally(f, k - 1);
3155	>	int x = (int) CompletableFuture.anyOf(fs).join();
3156	>	assertTrue(i <= x && x <= k - 1);
3157		}
3158		}
3159		}
#	Line 3111 | Line 3162 | public class CompletableFutureTest exten
3162		* anyOf result completes exceptionally when any component does.
3163		*/
3164		public void testAnyOf_exceptional() throws Exception {
3165	<	for (int k = 0; k < 10; ++k) {
3165	>	for (int k = 0; k < 10; k++) {
3166	>	CompletableFuture[] fs = new CompletableFuture[k];
3167	>	CFException[] exs = new CFException[k];
3168	>	for (int i = 0; i < k; i++) {
3169	>	fs[i] = new CompletableFuture<>();
3170	>	exs[i] = new CFException();
3171	>	}
3172	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3173	>	checkIncomplete(f);
3174	>	for (int i = 0; i < k; i++) {
3175	>	fs[i].completeExceptionally(exs[i]);
3176	>	checkCompletedWithWrappedException(f, exs[0]);
3177	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3178	>	}
3179	>	}
3180	>	}
3181	>
3182	>	public void testAnyOf_exceptional_backwards() throws Exception {
3183	>	for (int k = 0; k < 10; k++) {
3184		CompletableFuture[] fs = new CompletableFuture[k];
3185	<	for (int i = 0; i < k; ++i)
3185	>	CFException[] exs = new CFException[k];
3186	>	for (int i = 0; i < k; i++) {
3187		fs[i] = new CompletableFuture<>();
3188	+	exs[i] = new CFException();
3189	+	}
3190		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3191		checkIncomplete(f);
3192	<	for (int i = 0; i < k; ++i) {
3193	<	fs[i].completeExceptionally(new CFException());
3194	<	checkCompletedWithWrappedCFException(f);
3192	>	for (int i = k - 1; i >= 0; i--) {
3193	>	fs[i].completeExceptionally(exs[i]);
3194	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3195		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3196		}
3197		}
#	Line 3132 | Line 3204 | public class CompletableFutureTest exten
3204		CompletableFuture<Integer> f = new CompletableFuture<>();
3205		CompletableFuture<Integer> g = new CompletableFuture<>();
3206		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3135	–	CompletableFuture<?> h;
3207		ThreadExecutor exec = new ThreadExecutor();
3208
3209		Runnable[] throwingActions = {
3210		() -> CompletableFuture.supplyAsync(null),
3211		() -> CompletableFuture.supplyAsync(null, exec),
3212	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3212	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3213
3214		() -> CompletableFuture.runAsync(null),
3215		() -> CompletableFuture.runAsync(null, exec),
#	Line 3211 | Line 3282 | public class CompletableFutureTest exten
3282
3283		() -> f.thenCompose(null),
3284		() -> f.thenComposeAsync(null),
3285	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3285	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3286		() -> f.thenComposeAsync(null, exec),
3287
3288		() -> f.exceptionally(null),
#	Line 3229 | Line 3300 | public class CompletableFutureTest exten
3300		() -> CompletableFuture.anyOf(null, f),
3301
3302		() -> f.obtrudeException(null),
3303	+
3304	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3305	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3306	+	() -> CompletableFuture.delayedExecutor(1L, null),
3307	+
3308	+	() -> f.orTimeout(1L, null),
3309	+	() -> f.completeOnTimeout(42, 1L, null),
3310	+
3311	+	() -> CompletableFuture.failedFuture(null),
3312	+	() -> CompletableFuture.failedStage(null),
3313		};
3314
3315		assertThrows(NullPointerException.class, throwingActions);
#	Line 3243 | Line 3324 | public class CompletableFutureTest exten
3324		assertSame(f, f.toCompletableFuture());
3325		}
3326
3327	+	// jdk9
3328	+
3329		/**
3330	<	* whenComplete action executes on normal completion, propagating
3248	<	* source result.
3330	>	* newIncompleteFuture returns an incomplete CompletableFuture
3331		*/
3332	<	public void testWhenComplete1() {
3333	<	final AtomicInteger a = new AtomicInteger();
3332	>	public void testNewIncompleteFuture() {
3333	>	for (Integer v1 : new Integer[] { 1, null })
3334	>	{
3335		CompletableFuture<Integer> f = new CompletableFuture<>();
3336	<	CompletableFuture<Integer> g =
3337	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3338	<	f.complete(three);
3339	<	checkCompletedNormally(f, three);
3340	<	checkCompletedNormally(g, three);
3341	<	assertEquals(a.get(), 1);
3336	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3337	>	checkIncomplete(f);
3338	>	checkIncomplete(g);
3339	>	f.complete(v1);
3340	>	checkCompletedNormally(f, v1);
3341	>	checkIncomplete(g);
3342	>	g.complete(v1);
3343	>	checkCompletedNormally(g, v1);
3344	>	assertSame(g.getClass(), CompletableFuture.class);
3345	>	}}
3346	>
3347	>	/**
3348	>	* completedStage returns a completed CompletionStage
3349	>	*/
3350	>	public void testCompletedStage() {
3351	>	AtomicInteger x = new AtomicInteger(0);
3352	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3353	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3354	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3355	>	assertEquals(x.get(), 1);
3356	>	assertNull(r.get());
3357		}
3358
3359		/**
3360	<	* whenComplete action executes on exceptional completion, propagating
3361	<	* source result.
3360	>	* defaultExecutor by default returns the commonPool if
3361	>	* it supports more than one thread.
3362		*/
3363	<	public void testWhenComplete2() {
3266	<	final AtomicInteger a = new AtomicInteger();
3363	>	public void testDefaultExecutor() {
3364		CompletableFuture<Integer> f = new CompletableFuture<>();
3365	<	CompletableFuture<Integer> g =
3366	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3367	<	f.completeExceptionally(new CFException());
3368	<	assertTrue(f.isCompletedExceptionally());
3369	<	assertTrue(g.isCompletedExceptionally());
3370	<	assertEquals(a.get(), 1);
3365	>	Executor e = f.defaultExecutor();
3366	>	Executor c = ForkJoinPool.commonPool();
3367	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3368	>	assertSame(e, c);
3369	>	else
3370	>	assertNotSame(e, c);
3371		}
3372
3373		/**
3374	<	* If a whenComplete action throws an exception when triggered by
3375	<	* a normal completion, it completes exceptionally
3374	>	* failedFuture returns a CompletableFuture completed
3375	>	* exceptionally with the given Exception
3376		*/
3377	<	public void testWhenComplete3() {
3378	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3379	<	CompletableFuture<Integer> g =
3380	<	f.whenComplete((Integer x, Throwable t) ->
3284	<	{ throw new CFException(); } );
3285	<	f.complete(three);
3286	<	checkCompletedNormally(f, three);
3287	<	assertTrue(g.isCompletedExceptionally());
3288	<	checkCompletedWithWrappedCFException(g);
3377	>	public void testFailedFuture() {
3378	>	CFException ex = new CFException();
3379	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3380	>	checkCompletedExceptionally(f, ex);
3381		}
3382
3383		/**
3384	<	* whenCompleteAsync action executes on normal completion, propagating
3293	<	* source result.
3384	>	* failedFuture(null) throws NPE
3385		*/
3386	<	public void testWhenCompleteAsync1() {
3387	<	final AtomicInteger a = new AtomicInteger();
3388	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3389	<	CompletableFuture<Integer> g =
3390	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3300	<	f.complete(three);
3301	<	checkCompletedNormally(f, three);
3302	<	checkCompletedNormally(g, three);
3303	<	assertEquals(a.get(), 1);
3386	>	public void testFailedFuture_null() {
3387	>	try {
3388	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3389	>	shouldThrow();
3390	>	} catch (NullPointerException success) {}
3391		}
3392
3393		/**
3394	<	* whenCompleteAsync action executes on exceptional completion, propagating
3395	<	* source result.
3394	>	* copy returns a CompletableFuture that is completed normally,
3395	>	* with the same value, when source is.
3396		*/
3397	<	public void testWhenCompleteAsync2() {
3311	<	final AtomicInteger a = new AtomicInteger();
3397	>	public void testCopy() {
3398		CompletableFuture<Integer> f = new CompletableFuture<>();
3399	<	CompletableFuture<Integer> g =
3400	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3401	<	f.completeExceptionally(new CFException());
3402	<	checkCompletedWithWrappedCFException(f);
3403	<	checkCompletedWithWrappedCFException(g);
3399	>	CompletableFuture<Integer> g = f.copy();
3400	>	checkIncomplete(f);
3401	>	checkIncomplete(g);
3402	>	f.complete(1);
3403	>	checkCompletedNormally(f, 1);
3404	>	checkCompletedNormally(g, 1);
3405		}
3406
3407		/**
3408	<	* If a whenCompleteAsync action throws an exception when
3409	<	* triggered by a normal completion, it completes exceptionally
3408	>	* copy returns a CompletableFuture that is completed exceptionally
3409	>	* when source is.
3410		*/
3411	<	public void testWhenCompleteAsync3() {
3411	>	public void testCopy2() {
3412		CompletableFuture<Integer> f = new CompletableFuture<>();
3413	<	CompletableFuture<Integer> g =
3414	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3415	<	{ throw new CFException(); } );
3416	<	f.complete(three);
3417	<	checkCompletedNormally(f, three);
3418	<	checkCompletedWithWrappedCFException(g);
3413	>	CompletableFuture<Integer> g = f.copy();
3414	>	checkIncomplete(f);
3415	>	checkIncomplete(g);
3416	>	CFException ex = new CFException();
3417	>	f.completeExceptionally(ex);
3418	>	checkCompletedExceptionally(f, ex);
3419	>	checkCompletedWithWrappedException(g, ex);
3420		}
3421
3422		/**
3423	<	* whenCompleteAsync action executes on normal completion, propagating
3424	<	* source result.
3423	>	* minimalCompletionStage returns a CompletableFuture that is
3424	>	* completed normally, with the same value, when source is.
3425		*/
3426	<	public void testWhenCompleteAsync1e() {
3339	<	final AtomicInteger a = new AtomicInteger();
3340	<	ThreadExecutor exec = new ThreadExecutor();
3426	>	public void testMinimalCompletionStage() {
3427		CompletableFuture<Integer> f = new CompletableFuture<>();
3428	<	CompletableFuture<Integer> g =
3429	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3430	<	exec);
3431	<	f.complete(three);
3432	<	checkCompletedNormally(f, three);
3433	<	checkCompletedNormally(g, three);
3434	<	assertEquals(a.get(), 1);
3428	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3429	>	AtomicInteger x = new AtomicInteger(0);
3430	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3431	>	checkIncomplete(f);
3432	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3433	>	f.complete(1);
3434	>	checkCompletedNormally(f, 1);
3435	>	assertEquals(x.get(), 1);
3436	>	assertNull(r.get());
3437		}
3438
3439		/**
3440	<	* whenCompleteAsync action executes on exceptional completion, propagating
3441	<	* source result.
3440	>	* minimalCompletionStage returns a CompletableFuture that is
3441	>	* completed exceptionally when source is.
3442		*/
3443	<	public void testWhenCompleteAsync2e() {
3356	<	final AtomicInteger a = new AtomicInteger();
3357	<	ThreadExecutor exec = new ThreadExecutor();
3443	>	public void testMinimalCompletionStage2() {
3444		CompletableFuture<Integer> f = new CompletableFuture<>();
3445	<	CompletableFuture<Integer> g =
3446	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3447	<	exec);
3448	<	f.completeExceptionally(new CFException());
3449	<	checkCompletedWithWrappedCFException(f);
3450	<	checkCompletedWithWrappedCFException(g);
3445	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3446	>	AtomicInteger x = new AtomicInteger(0);
3447	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3448	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3449	>	checkIncomplete(f);
3450	>	CFException ex = new CFException();
3451	>	f.completeExceptionally(ex);
3452	>	checkCompletedExceptionally(f, ex);
3453	>	assertEquals(x.get(), 0);
3454	>	assertEquals(r.get().getCause(), ex);
3455		}
3456
3457		/**
3458	<	* If a whenCompleteAsync action throws an exception when triggered
3459	<	* by a normal completion, it completes exceptionally
3458	>	* failedStage returns a CompletionStage completed
3459	>	* exceptionally with the given Exception
3460		*/
3461	<	public void testWhenCompleteAsync3e() {
3462	<	ThreadExecutor exec = new ThreadExecutor();
3461	>	public void testFailedStage() {
3462	>	CFException ex = new CFException();
3463	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3464	>	AtomicInteger x = new AtomicInteger(0);
3465	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3466	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3467	>	assertEquals(x.get(), 0);
3468	>	assertEquals(r.get(), ex);
3469	>	}
3470	>
3471	>	/**
3472	>	* completeAsync completes with value of given supplier
3473	>	*/
3474	>	public void testCompleteAsync() {
3475	>	for (Integer v1 : new Integer[] { 1, null })
3476	>	{
3477		CompletableFuture<Integer> f = new CompletableFuture<>();
3478	<	CompletableFuture<Integer> g =
3479	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3480	<	{ throw new CFException(); },
3481	<	exec);
3482	<	f.complete(three);
3483	<	checkCompletedNormally(f, three);
3484	<	checkCompletedWithWrappedCFException(g);
3478	>	f.completeAsync(() -> v1);
3479	>	f.join();
3480	>	checkCompletedNormally(f, v1);
3481	>	}}
3482	>
3483	>	/**
3484	>	* completeAsync completes exceptionally if given supplier throws
3485	>	*/
3486	>	public void testCompleteAsync2() {
3487	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3488	>	CFException ex = new CFException();
3489	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3490	>	try {
3491	>	f.join();
3492	>	shouldThrow();
3493	>	} catch (CompletionException success) {}
3494	>	checkCompletedWithWrappedException(f, ex);
3495		}
3496
3497		/**
3498	<	* handleAsync action completes normally with function value on
3385	<	* either normal or exceptional completion of source
3498	>	* completeAsync with given executor completes with value of given supplier
3499		*/
3500	<	public void testHandleAsync() {
3501	<	CompletableFuture<Integer> f, g;
3502	<	IntegerHandler r;
3500	>	public void testCompleteAsync3() {
3501	>	for (Integer v1 : new Integer[] { 1, null })
3502	>	{
3503	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3504	>	ThreadExecutor executor = new ThreadExecutor();
3505	>	f.completeAsync(() -> v1, executor);
3506	>	assertSame(v1, f.join());
3507	>	checkCompletedNormally(f, v1);
3508	>	assertEquals(1, executor.count.get());
3509	>	}}
3510
3511	<	f = new CompletableFuture<>();
3512	<	g = f.handleAsync(r = new IntegerHandler());
3513	<	assertFalse(r.ran);
3514	<	f.completeExceptionally(new CFException());
3515	<	checkCompletedWithWrappedCFException(f);
3516	<	checkCompletedNormally(g, three);
3517	<	assertTrue(r.ran);
3511	>	/**
3512	>	* completeAsync with given executor completes exceptionally if
3513	>	* given supplier throws
3514	>	*/
3515	>	public void testCompleteAsync4() {
3516	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3517	>	CFException ex = new CFException();
3518	>	ThreadExecutor executor = new ThreadExecutor();
3519	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3520	>	try {
3521	>	f.join();
3522	>	shouldThrow();
3523	>	} catch (CompletionException success) {}
3524	>	checkCompletedWithWrappedException(f, ex);
3525	>	assertEquals(1, executor.count.get());
3526	>	}
3527
3528	<	f = new CompletableFuture<>();
3529	<	g = f.handleAsync(r = new IntegerHandler());
3530	<	assertFalse(r.ran);
3531	<	f.completeExceptionally(new CFException());
3532	<	checkCompletedWithWrappedCFException(f);
3533	<	checkCompletedNormally(g, three);
3534	<	assertTrue(r.ran);
3528	>	/**
3529	>	* orTimeout completes with TimeoutException if not complete
3530	>	*/
3531	>	public void testOrTimeout_timesOut() {
3532	>	long timeoutMillis = timeoutMillis();
3533	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3534	>	long startTime = System.nanoTime();
3535	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3536	>	checkCompletedWithTimeoutException(f);
3537	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3538	>	}
3539
3540	<	f = new CompletableFuture<>();
3541	<	g = f.handleAsync(r = new IntegerHandler());
3542	<	assertFalse(r.ran);
3543	<	f.complete(one);
3544	<	checkCompletedNormally(f, one);
3545	<	checkCompletedNormally(g, two);
3546	<	assertTrue(r.ran);
3540	>	/**
3541	>	* orTimeout completes normally if completed before timeout
3542	>	*/
3543	>	public void testOrTimeout_completed() {
3544	>	for (Integer v1 : new Integer[] { 1, null })
3545	>	{
3546	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3547	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3548	>	long startTime = System.nanoTime();
3549	>	f.complete(v1);
3550	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3551	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3552	>	g.complete(v1);
3553	>	checkCompletedNormally(f, v1);
3554	>	checkCompletedNormally(g, v1);
3555	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3556	>	}}
3557
3558	<	f = new CompletableFuture<>();
3559	<	g = f.handleAsync(r = new IntegerHandler());
3560	<	assertFalse(r.ran);
3561	<	f.complete(one);
3562	<	checkCompletedNormally(f, one);
3563	<	checkCompletedNormally(g, two);
3421	<	assertTrue(r.ran);
3558	>	/**
3559	>	* completeOnTimeout completes with given value if not complete
3560	>	*/
3561	>	public void testCompleteOnTimeout_timesOut() {
3562	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3563	>	() -> testCompleteOnTimeout_timesOut(null));
3564		}
3565
3566		/**
3567	<	* handleAsync action with Executor completes normally with
3426	<	* function value on either normal or exceptional completion of
3427	<	* source
3567	>	* completeOnTimeout completes with given value if not complete
3568		*/
3569	<	public void testHandleAsync2() {
3570	<	CompletableFuture<Integer> f, g;
3571	<	ThreadExecutor exec = new ThreadExecutor();
3572	<	IntegerHandler r;
3569	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3570	>	long timeoutMillis = timeoutMillis();
3571	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3572	>	long startTime = System.nanoTime();
3573	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3574	>	assertSame(v, f.join());
3575	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3576	>	f.complete(99);         // should have no effect
3577	>	checkCompletedNormally(f, v);
3578	>	}
3579
3580	<	f = new CompletableFuture<>();
3581	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3582	<	assertFalse(r.ran);
3583	<	f.completeExceptionally(new CFException());
3584	<	checkCompletedWithWrappedCFException(f);
3585	<	checkCompletedNormally(g, three);
3586	<	assertTrue(r.ran);
3580	>	/**
3581	>	* completeOnTimeout has no effect if completed within timeout
3582	>	*/
3583	>	public void testCompleteOnTimeout_completed() {
3584	>	for (Integer v1 : new Integer[] { 1, null })
3585	>	{
3586	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3587	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3588	>	long startTime = System.nanoTime();
3589	>	f.complete(v1);
3590	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3591	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3592	>	g.complete(v1);
3593	>	checkCompletedNormally(f, v1);
3594	>	checkCompletedNormally(g, v1);
3595	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3596	>	}}
3597
3598	<	f = new CompletableFuture<>();
3599	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3600	<	assertFalse(r.ran);
3601	<	f.completeExceptionally(new CFException());
3602	<	checkCompletedWithWrappedCFException(f);
3603	<	checkCompletedNormally(g, three);
3604	<	assertTrue(r.ran);
3598	>	/**
3599	>	* delayedExecutor returns an executor that delays submission
3600	>	*/
3601	>	public void testDelayedExecutor() {
3602	>	testInParallel(() -> testDelayedExecutor(null, null),
3603	>	() -> testDelayedExecutor(null, 1),
3604	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3605	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3606	>	}
3607	>
3608	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3609	>	long timeoutMillis = timeoutMillis();
3610	>	// Use an "unreasonably long" long timeout to catch lingering threads
3611	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3612	>	final Executor delayer, longDelayer;
3613	>	if (executor == null) {
3614	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3615	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3616	>	} else {
3617	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3618	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3619	>	}
3620	>	long startTime = System.nanoTime();
3621	>	CompletableFuture<Integer> f =
3622	>	CompletableFuture.supplyAsync(() -> v, delayer);
3623	>	CompletableFuture<Integer> g =
3624	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3625
3626	<	f = new CompletableFuture<>();
3451	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3452	<	assertFalse(r.ran);
3453	<	f.complete(one);
3454	<	checkCompletedNormally(f, one);
3455	<	checkCompletedNormally(g, two);
3456	<	assertTrue(r.ran);
3626	>	assertNull(g.getNow(null));
3627
3628	<	f = new CompletableFuture<>();
3629	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3630	<	assertFalse(r.ran);
3631	<	f.complete(one);
3632	<	checkCompletedNormally(f, one);
3633	<	checkCompletedNormally(g, two);
3634	<	assertTrue(r.ran);
3628	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3629	>	long millisElapsed = millisElapsedSince(startTime);
3630	>	assertTrue(millisElapsed >= timeoutMillis);
3631	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3632	>
3633	>	checkCompletedNormally(f, v);
3634	>
3635	>	checkIncomplete(g);
3636	>	assertTrue(g.cancel(true));
3637	>	}
3638	>
3639	>	//--- tests of implementation details; not part of official tck ---
3640	>
3641	>	Object resultOf(CompletableFuture<?> f) {
3642	>	SecurityManager sm = System.getSecurityManager();
3643	>	if (sm != null) {
3644	>	try {
3645	>	System.setSecurityManager(null);
3646	>	} catch (SecurityException giveUp) {
3647	>	return "Reflection not available";
3648	>	}
3649	>	}
3650	>
3651	>	try {
3652	>	java.lang.reflect.Field resultField
3653	>	= CompletableFuture.class.getDeclaredField("result");
3654	>	resultField.setAccessible(true);
3655	>	return resultField.get(f);
3656	>	} catch (Throwable t) {
3657	>	throw new AssertionError(t);
3658	>	} finally {
3659	>	if (sm != null) System.setSecurityManager(sm);
3660	>	}
3661	>	}
3662	>
3663	>	public void testExceptionPropagationReusesResultObject() {
3664	>	if (!testImplementationDetails) return;
3665	>	for (ExecutionMode m : ExecutionMode.values())
3666	>	{
3667	>	final CFException ex = new CFException();
3668	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3669	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3670	>
3671	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3672	>	= new ArrayList<>();
3673	>
3674	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3675	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3676	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3677	>
3678	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3679	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3680	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3681	>
3682	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3683	>	funs.add((y) -> m.runAfterBoth(v42, y, new Noop(m)));
3684	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3685	>	funs.add((y) -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3686	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3687	>	funs.add((y) -> m.thenCombine(v42, y, new SubtractFunction(m)));
3688	>
3689	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3690	>
3691	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3692	>
3693	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y}));
3694	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3695	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {v42, y}));
3696	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y}));
3697	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3698	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {incomplete, y}));
3699	>
3700	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3701	>	fun : funs) {
3702	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3703	>	f.completeExceptionally(ex);
3704	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3705	>	checkCompletedWithWrappedException(src, ex);
3706	>	CompletableFuture<?> dep = fun.apply(src);
3707	>	checkCompletedWithWrappedException(dep, ex);
3708	>	assertSame(resultOf(src), resultOf(dep));
3709	>	}
3710	>
3711	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3712	>	fun : funs) {
3713	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3714	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3715	>	CompletableFuture<?> dep = fun.apply(src);
3716	>	f.completeExceptionally(ex);
3717	>	checkCompletedWithWrappedException(src, ex);
3718	>	checkCompletedWithWrappedException(dep, ex);
3719	>	assertSame(resultOf(src), resultOf(dep));
3720	>	}
3721	>
3722	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3723	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3724	>	fun : funs) {
3725	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3726	>	f.cancel(mayInterruptIfRunning);
3727	>	checkCancelled(f);
3728	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3729	>	checkCompletedWithWrappedCancellationException(src);
3730	>	CompletableFuture<?> dep = fun.apply(src);
3731	>	checkCompletedWithWrappedCancellationException(dep);
3732	>	assertSame(resultOf(src), resultOf(dep));
3733	>	}
3734	>
3735	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3736	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3737	>	fun : funs) {
3738	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3739	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3740	>	CompletableFuture<?> dep = fun.apply(src);
3741	>	f.cancel(mayInterruptIfRunning);
3742	>	checkCancelled(f);
3743	>	checkCompletedWithWrappedCancellationException(src);
3744	>	checkCompletedWithWrappedCancellationException(dep);
3745	>	assertSame(resultOf(src), resultOf(dep));
3746	>	}
3747	>	}}
3748	>
3749	>	/**
3750	>	* Minimal completion stages throw UOE for all non-CompletionStage methods
3751	>	*/
3752	>	public void testMinimalCompletionStage_minimality() {
3753	>	if (!testImplementationDetails) return;
3754	>	Function<Method, String> toSignature =
3755	>	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3756	>	Predicate<Method> isNotStatic =
3757	>	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3758	>	List<Method> minimalMethods =
3759	>	Stream.of(Object.class, CompletionStage.class)
3760	>	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3761	>	.filter(isNotStatic)
3762	>	.collect(Collectors.toList());
3763	>	// Methods from CompletableFuture permitted NOT to throw UOE
3764	>	String[] signatureWhitelist = {
3765	>	"newIncompleteFuture[]",
3766	>	"defaultExecutor[]",
3767	>	"minimalCompletionStage[]",
3768	>	"copy[]",
3769	>	};
3770	>	Set<String> permittedMethodSignatures =
3771	>	Stream.concat(minimalMethods.stream().map(toSignature),
3772	>	Stream.of(signatureWhitelist))
3773	>	.collect(Collectors.toSet());
3774	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3775	>	.filter(isNotStatic)
3776	>	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3777	>	.collect(Collectors.toList());
3778	>
3779	>	CompletionStage<Integer> minimalStage =
3780	>	new CompletableFuture<Integer>().minimalCompletionStage();
3781	>
3782	>	List<Method> bugs = new ArrayList<>();
3783	>	for (Method method : allMethods) {
3784	>	Class<?>[] parameterTypes = method.getParameterTypes();
3785	>	Object[] args = new Object[parameterTypes.length];
3786	>	// Manufacture boxed primitives for primitive params
3787	>	for (int i = 0; i < args.length; i++) {
3788	>	Class<?> type = parameterTypes[i];
3789	>	if (parameterTypes[i] == boolean.class)
3790	>	args[i] = false;
3791	>	else if (parameterTypes[i] == int.class)
3792	>	args[i] = 0;
3793	>	else if (parameterTypes[i] == long.class)
3794	>	args[i] = 0L;
3795	>	}
3796	>	try {
3797	>	method.invoke(minimalStage, args);
3798	>	bugs.add(method);
3799	>	}
3800	>	catch (java.lang.reflect.InvocationTargetException expected) {
3801	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3802	>	bugs.add(method);
3803	>	// expected.getCause().printStackTrace();
3804	>	}
3805	>	}
3806	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3807	>	}
3808	>	if (!bugs.isEmpty())
3809	>	throw new Error("Methods did not throw UOE: " + bugs.toString());
3810		}
3811
3812	+	static class Monad {
3813	+	static class ZeroException extends RuntimeException {
3814	+	public ZeroException() { super("monadic zero"); }
3815	+	}
3816	+	// "return", "unit"
3817	+	static <T> CompletableFuture<T> unit(T value) {
3818	+	return completedFuture(value);
3819	+	}
3820	+	// monadic zero ?
3821	+	static <T> CompletableFuture<T> zero() {
3822	+	return failedFuture(new ZeroException());
3823	+	}
3824	+	// >=>
3825	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3826	+	(Function<T, CompletableFuture<U>> f,
3827	+	Function<U, CompletableFuture<V>> g) {
3828	+	return (x) -> f.apply(x).thenCompose(g);
3829	+	}
3830	+
3831	+	static void assertZero(CompletableFuture<?> f) {
3832	+	try {
3833	+	f.getNow(null);
3834	+	throw new AssertionFailedError("should throw");
3835	+	} catch (CompletionException success) {
3836	+	assertTrue(success.getCause() instanceof ZeroException);
3837	+	}
3838	+	}
3839	+
3840	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
3841	+	CompletableFuture<T> g) {
3842	+	T fval = null, gval = null;
3843	+	Throwable fex = null, gex = null;
3844	+
3845	+	try { fval = f.get(); }
3846	+	catch (ExecutionException ex) { fex = ex.getCause(); }
3847	+	catch (Throwable ex) { fex = ex; }
3848	+
3849	+	try { gval = g.get(); }
3850	+	catch (ExecutionException ex) { gex = ex.getCause(); }
3851	+	catch (Throwable ex) { gex = ex; }
3852	+
3853	+	if (fex != null || gex != null)
3854	+	assertSame(fex.getClass(), gex.getClass());
3855	+	else
3856	+	assertEquals(fval, gval);
3857	+	}
3858	+
3859	+	static class PlusFuture<T> extends CompletableFuture<T> {
3860	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3861	+	}
3862	+
3863	+	/** Implements "monadic plus". */
3864	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3865	+	CompletableFuture<? extends T> g) {
3866	+	PlusFuture<T> plus = new PlusFuture<T>();
3867	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3868	+	try {
3869	+	if (ex == null) {
3870	+	if (plus.complete(result))
3871	+	if (plus.firstFailure.get() != null)
3872	+	plus.firstFailure.set(null);
3873	+	}
3874	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
3875	+	if (plus.isDone())
3876	+	plus.firstFailure.set(null);
3877	+	}
3878	+	else {
3879	+	// first failure has precedence
3880	+	Throwable first = plus.firstFailure.getAndSet(null);
3881	+
3882	+	// may fail with "Self-suppression not permitted"
3883	+	try { first.addSuppressed(ex); }
3884	+	catch (Exception ignored) {}
3885	+
3886	+	plus.completeExceptionally(first);
3887	+	}
3888	+	} catch (Throwable unexpected) {
3889	+	plus.completeExceptionally(unexpected);
3890	+	}
3891	+	};
3892	+	f.whenComplete(action);
3893	+	g.whenComplete(action);
3894	+	return plus;
3895	+	}
3896	+	}
3897	+
3898	+	/**
3899	+	* CompletableFuture is an additive monad - sort of.
3900	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3901	+	*/
3902	+	public void testAdditiveMonad() throws Throwable {
3903	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3904	+	CompletableFuture<Long> zero = Monad.zero();
3905	+
3906	+	// Some mutually non-commutative functions
3907	+	Function<Long, CompletableFuture<Long>> triple
3908	+	= (x) -> Monad.unit(3 * x);
3909	+	Function<Long, CompletableFuture<Long>> inc
3910	+	= (x) -> Monad.unit(x + 1);
3911	+
3912	+	// unit is a right identity: m >>= unit === m
3913	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3914	+	inc.apply(5L));
3915	+	// unit is a left identity: (unit x) >>= f === f x
3916	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3917	+	inc.apply(5L));
3918	+
3919	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3920	+	Monad.assertFutureEquals(
3921	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3922	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3923	+
3924	+	// The case for CompletableFuture as an additive monad is weaker...
3925	+
3926	+	// zero is a monadic zero
3927	+	Monad.assertZero(zero);
3928	+
3929	+	// left zero: zero >>= f === zero
3930	+	Monad.assertZero(zero.thenCompose(inc));
3931	+	// right zero: f >>= (\x -> zero) === zero
3932	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3933	+
3934	+	// f plus zero === f
3935	+	Monad.assertFutureEquals(Monad.unit(5L),
3936	+	Monad.plus(Monad.unit(5L), zero));
3937	+	// zero plus f === f
3938	+	Monad.assertFutureEquals(Monad.unit(5L),
3939	+	Monad.plus(zero, Monad.unit(5L)));
3940	+	// zero plus zero === zero
3941	+	Monad.assertZero(Monad.plus(zero, zero));
3942	+	{
3943	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3944	+	Monad.unit(8L));
3945	+	// non-determinism
3946	+	assertTrue(f.get() == 5L || f.get() == 8L);
3947	+	}
3948	+
3949	+	CompletableFuture<Long> godot = new CompletableFuture<>();
3950	+	// f plus godot === f (doesn't wait for godot)
3951	+	Monad.assertFutureEquals(Monad.unit(5L),
3952	+	Monad.plus(Monad.unit(5L), godot));
3953	+	// godot plus f === f (doesn't wait for godot)
3954	+	Monad.assertFutureEquals(Monad.unit(5L),
3955	+	Monad.plus(godot, Monad.unit(5L)));
3956	+	}
3957	+
3958	+	/**
3959	+	* A single CompletableFuture with many dependents.
3960	+	* A demo of scalability - runtime is O(n).
3961	+	*/
3962	+	public void testManyDependents() throws Throwable {
3963	+	final int n = 1_000;
3964	+	final CompletableFuture<Void> head = new CompletableFuture<>();
3965	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
3966	+	final AtomicInteger count = new AtomicInteger(0);
3967	+	for (int i = 0; i < n; i++) {
3968	+	head.thenRun(() -> count.getAndIncrement());
3969	+	head.thenAccept((x) -> count.getAndIncrement());
3970	+	head.thenApply((x) -> count.getAndIncrement());
3971	+
3972	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
3973	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
3974	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
3975	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
3976	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
3977	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
3978	+
3979	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
3980	+	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3981	+	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3982	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
3983	+	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
3984	+	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
3985	+	}
3986	+	head.complete(null);
3987	+	assertEquals(5 * 3 * n, count.get());
3988	+	}
3989	+
3990	+	//     static <U> U join(CompletionStage<U> stage) {
3991	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3992	+	//         stage.whenComplete((v, ex) -> {
3993	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3994	+	//         });
3995	+	//         return f.join();
3996	+	//     }
3997	+
3998	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
3999	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4000	+	//         stage.whenComplete((v, ex) -> {
4001	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4002	+	//         });
4003	+	//         return f.isDone();
4004	+	//     }
4005	+
4006	+	//     static <U> U join2(CompletionStage<U> stage) {
4007	+	//         return stage.toCompletableFuture().copy().join();
4008	+	//     }
4009	+
4010	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4011	+	//         return stage.toCompletableFuture().copy().isDone();
4012	+	//     }
4013	+
4014		}

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