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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 1.128 by jsr166, Sun Nov 15 00:37:50 2015 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28	+	import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33		import java.util.concurrent.TimeoutException;
34	+	import java.util.concurrent.TimeUnit;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
22	<	import static java.util.concurrent.TimeUnit.SECONDS;
23	<	import java.util.*;
24	<	import java.util.function.Supplier;
25	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
27	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.AssertionFailedError;
45	+	import junit.framework.Test;
46	+	import junit.framework.TestSuite;
47
48		public class CompletableFutureTest extends JSR166TestCase {
49
50		public static void main(String[] args) {
51	<	junit.textui.TestRunner.run(suite());
51	>	main(suite(), args);
52		}
53		public static Test suite() {
54		return new TestSuite(CompletableFutureTest.class);
#	Line 41 | Line 59 | public class CompletableFutureTest exten
59		void checkIncomplete(CompletableFuture<?> f) {
60		assertFalse(f.isDone());
61		assertFalse(f.isCancelled());
62	<	assertTrue(f.toString().contains("[Not completed]"));
62	>	assertTrue(f.toString().contains("Not completed"));
63		try {
64		assertNull(f.getNow(null));
65		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 54 | Line 72 | public class CompletableFutureTest exten
72		}
73
74		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
75	<	try {
76	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
59	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
79		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 72 | Line 89 | public class CompletableFutureTest exten
89		assertTrue(f.toString().contains("[Completed normally]"));
90		}
91
92	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
93	<	try {
94	<	f.get(LONG_DELAY_MS, MILLISECONDS);
95	<	shouldThrow();
96	<	} catch (ExecutionException success) {
97	<	assertTrue(success.getCause() instanceof CFException);
98	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
99	<	try {
100	<	f.join();
101	<	shouldThrow();
102	<	} catch (CompletionException success) {
103	<	assertTrue(success.getCause() instanceof CFException);
104	<	}
105	<	try {
106	<	f.getNow(null);
107	<	shouldThrow();
108	<	} catch (CompletionException success) {
92	<	assertTrue(success.getCause() instanceof CFException);
92	>	/**
93	>	* Returns the "raw" internal exceptional completion of f,
94	>	* without any additional wrapping with CompletionException.
95	>	*/
96	>	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
97	>	// handle (and whenComplete) can distinguish between "direct"
98	>	// and "wrapped" exceptional completion
99	>	return f.handle((U u, Throwable t) -> t).join();
100	>	}
101	>
102	>	void checkCompletedExceptionally(CompletableFuture<?> f,
103	>	boolean wrapped,
104	>	Consumer<Throwable> checker) {
105	>	Throwable cause = exceptionalCompletion(f);
106	>	if (wrapped) {
107	>	assertTrue(cause instanceof CompletionException);
108	>	cause = cause.getCause();
109		}
110	<	try {
95	<	f.get();
96	<	shouldThrow();
97	<	} catch (ExecutionException success) {
98	<	assertTrue(success.getCause() instanceof CFException);
99	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
100	<	assertTrue(f.isDone());
101	<	assertFalse(f.isCancelled());
102	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
103	<	}
110	>	checker.accept(cause);
111
112	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
106	<	CFException ex) {
112	>	long startTime = System.nanoTime();
113		try {
114		f.get(LONG_DELAY_MS, MILLISECONDS);
115		shouldThrow();
116		} catch (ExecutionException success) {
117	<	assertSame(ex, success.getCause());
117	>	assertSame(cause, success.getCause());
118		} catch (Throwable fail) { threadUnexpectedException(fail); }
119	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
120	+
121		try {
122		f.join();
123		shouldThrow();
124		} catch (CompletionException success) {
125	<	assertSame(ex, success.getCause());
126	<	}
125	>	assertSame(cause, success.getCause());
126	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
127	>
128		try {
129		f.getNow(null);
130		shouldThrow();
131		} catch (CompletionException success) {
132	<	assertSame(ex, success.getCause());
133	<	}
132	>	assertSame(cause, success.getCause());
133	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
134	>
135		try {
136		f.get();
137		shouldThrow();
138		} catch (ExecutionException success) {
139	<	assertSame(ex, success.getCause());
139	>	assertSame(cause, success.getCause());
140		} catch (Throwable fail) { threadUnexpectedException(fail); }
141	<	assertTrue(f.isDone());
141	>
142		assertFalse(f.isCancelled());
143	+	assertTrue(f.isDone());
144	+	assertTrue(f.isCompletedExceptionally());
145		assertTrue(f.toString().contains("[Completed exceptionally]"));
146		}
147
148	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
149	+	checkCompletedExceptionally(f, true,
150	+	(t) -> assertTrue(t instanceof CFException));
151	+	}
152	+
153	+	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
154	+	checkCompletedExceptionally(f, true,
155	+	(t) -> assertTrue(t instanceof CancellationException));
156	+	}
157	+
158	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
159	+	checkCompletedExceptionally(f, false,
160	+	(t) -> assertTrue(t instanceof TimeoutException));
161	+	}
162	+
163	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
164	+	Throwable ex) {
165	+	checkCompletedExceptionally(f, true, (t) -> assertSame(t, ex));
166	+	}
167	+
168	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
169	+	checkCompletedExceptionally(f, false, (t) -> assertSame(t, ex));
170	+	}
171	+
172		void checkCancelled(CompletableFuture<?> f) {
173	+	long startTime = System.nanoTime();
174		try {
175		f.get(LONG_DELAY_MS, MILLISECONDS);
176		shouldThrow();
177		} catch (CancellationException success) {
178		} catch (Throwable fail) { threadUnexpectedException(fail); }
179	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
180	+
181		try {
182		f.join();
183		shouldThrow();
#	Line 152 | Line 191 | public class CompletableFutureTest exten
191		shouldThrow();
192		} catch (CancellationException success) {
193		} catch (Throwable fail) { threadUnexpectedException(fail); }
155	–	assertTrue(f.isDone());
156	–	assertTrue(f.isCompletedExceptionally());
157	–	assertTrue(f.isCancelled());
158	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
159	–	}
194
195	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
196	<	try {
163	<	f.get(LONG_DELAY_MS, MILLISECONDS);
164	<	shouldThrow();
165	<	} catch (ExecutionException success) {
166	<	assertTrue(success.getCause() instanceof CancellationException);
167	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
168	<	try {
169	<	f.join();
170	<	shouldThrow();
171	<	} catch (CompletionException success) {
172	<	assertTrue(success.getCause() instanceof CancellationException);
173	<	}
174	<	try {
175	<	f.getNow(null);
176	<	shouldThrow();
177	<	} catch (CompletionException success) {
178	<	assertTrue(success.getCause() instanceof CancellationException);
179	<	}
180	<	try {
181	<	f.get();
182	<	shouldThrow();
183	<	} catch (ExecutionException success) {
184	<	assertTrue(success.getCause() instanceof CancellationException);
185	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
195	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
196	>
197		assertTrue(f.isDone());
187	–	assertFalse(f.isCancelled());
198		assertTrue(f.isCompletedExceptionally());
199	+	assertTrue(f.isCancelled());
200		assertTrue(f.toString().contains("[Completed exceptionally]"));
201		}
202
#	Line 203 | Line 214 | public class CompletableFutureTest exten
214		* isCancelled, join, get, and getNow
215		*/
216		public void testComplete() {
217	+	for (Integer v1 : new Integer[] { 1, null })
218	+	{
219		CompletableFuture<Integer> f = new CompletableFuture<>();
220		checkIncomplete(f);
221	<	f.complete(one);
222	<	checkCompletedNormally(f, one);
223	<	}
221	>	assertTrue(f.complete(v1));
222	>	assertFalse(f.complete(v1));
223	>	checkCompletedNormally(f, v1);
224	>	}}
225
226		/**
227		* completeExceptionally completes exceptionally, as indicated by
#	Line 215 | Line 229 | public class CompletableFutureTest exten
229		*/
230		public void testCompleteExceptionally() {
231		CompletableFuture<Integer> f = new CompletableFuture<>();
232	+	CFException ex = new CFException();
233		checkIncomplete(f);
234	<	f.completeExceptionally(new CFException());
235	<	checkCompletedWithWrappedCFException(f);
234	>	f.completeExceptionally(ex);
235	>	checkCompletedExceptionally(f, ex);
236		}
237
238		/**
#	Line 225 | Line 240 | public class CompletableFutureTest exten
240		* methods isDone, isCancelled, join, get, and getNow
241		*/
242		public void testCancel() {
243	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
244	+	{
245		CompletableFuture<Integer> f = new CompletableFuture<>();
246		checkIncomplete(f);
247	<	assertTrue(f.cancel(true));
247	>	assertTrue(f.cancel(mayInterruptIfRunning));
248	>	assertTrue(f.cancel(mayInterruptIfRunning));
249	>	assertTrue(f.cancel(!mayInterruptIfRunning));
250		checkCancelled(f);
251	<	}
251	>	}}
252
253		/**
254		* obtrudeValue forces completion with given value
#	Line 237 | Line 256 | public class CompletableFutureTest exten
256		public void testObtrudeValue() {
257		CompletableFuture<Integer> f = new CompletableFuture<>();
258		checkIncomplete(f);
259	<	f.complete(one);
259	>	assertTrue(f.complete(one));
260		checkCompletedNormally(f, one);
261		f.obtrudeValue(three);
262		checkCompletedNormally(f, three);
#	Line 246 | Line 265 | public class CompletableFutureTest exten
265		f = new CompletableFuture<>();
266		f.obtrudeValue(three);
267		checkCompletedNormally(f, three);
268	+	f.obtrudeValue(null);
269	+	checkCompletedNormally(f, null);
270		f = new CompletableFuture<>();
271		f.completeExceptionally(new CFException());
272		f.obtrudeValue(four);
#	Line 256 | Line 277 | public class CompletableFutureTest exten
277		* obtrudeException forces completion with given exception
278		*/
279		public void testObtrudeException() {
280	<	CompletableFuture<Integer> f = new CompletableFuture<>();
281	<	checkIncomplete(f);
282	<	f.complete(one);
283	<	checkCompletedNormally(f, one);
284	<	f.obtrudeException(new CFException());
264	<	checkCompletedWithWrappedCFException(f);
280	>	for (Integer v1 : new Integer[] { 1, null })
281	>	{
282	>	CFException ex;
283	>	CompletableFuture<Integer> f;
284	>
285		f = new CompletableFuture<>();
286	<	f.obtrudeException(new CFException());
287	<	checkCompletedWithWrappedCFException(f);
286	>	assertTrue(f.complete(v1));
287	>	for (int i = 0; i < 2; i++) {
288	>	f.obtrudeException(ex = new CFException());
289	>	checkCompletedExceptionally(f, ex);
290	>	}
291	>
292		f = new CompletableFuture<>();
293	+	for (int i = 0; i < 2; i++) {
294	+	f.obtrudeException(ex = new CFException());
295	+	checkCompletedExceptionally(f, ex);
296	+	}
297	+
298	+	f = new CompletableFuture<>();
299	+	f.completeExceptionally(ex = new CFException());
300	+	f.obtrudeValue(v1);
301	+	checkCompletedNormally(f, v1);
302	+	f.obtrudeException(ex = new CFException());
303	+	checkCompletedExceptionally(f, ex);
304		f.completeExceptionally(new CFException());
305	<	f.obtrudeValue(four);
306	<	checkCompletedNormally(f, four);
307	<	f.obtrudeException(new CFException());
308	<	checkCompletedWithWrappedCFException(f);
274	<	}
305	>	checkCompletedExceptionally(f, ex);
306	>	assertFalse(f.complete(v1));
307	>	checkCompletedExceptionally(f, ex);
308	>	}}
309
310		/**
311		* getNumberOfDependents returns number of dependent tasks
312		*/
313		public void testGetNumberOfDependents() {
314	+	for (ExecutionMode m : ExecutionMode.values())
315	+	for (Integer v1 : new Integer[] { 1, null })
316	+	{
317		CompletableFuture<Integer> f = new CompletableFuture<>();
318	<	assertEquals(f.getNumberOfDependents(), 0);
319	<	CompletableFuture g = f.thenRun(new Noop());
320	<	assertEquals(f.getNumberOfDependents(), 1);
321	<	assertEquals(g.getNumberOfDependents(), 0);
322	<	CompletableFuture h = f.thenRun(new Noop());
323	<	assertEquals(f.getNumberOfDependents(), 2);
324	<	f.complete(1);
318	>	assertEquals(0, f.getNumberOfDependents());
319	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
320	>	assertEquals(1, f.getNumberOfDependents());
321	>	assertEquals(0, g.getNumberOfDependents());
322	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
323	>	assertEquals(2, f.getNumberOfDependents());
324	>	assertEquals(0, h.getNumberOfDependents());
325	>	assertTrue(f.complete(v1));
326		checkCompletedNormally(g, null);
327	<	assertEquals(f.getNumberOfDependents(), 0);
328	<	assertEquals(g.getNumberOfDependents(), 0);
329	<	}
327	>	checkCompletedNormally(h, null);
328	>	assertEquals(0, f.getNumberOfDependents());
329	>	assertEquals(0, g.getNumberOfDependents());
330	>	assertEquals(0, h.getNumberOfDependents());
331	>	}}
332
333		/**
334		* toString indicates current completion state
#	Line 299 | Line 339 | public class CompletableFutureTest exten
339		f = new CompletableFuture<String>();
340		assertTrue(f.toString().contains("[Not completed]"));
341
342	<	f.complete("foo");
342	>	assertTrue(f.complete("foo"));
343		assertTrue(f.toString().contains("[Completed normally]"));
344
345		f = new CompletableFuture<String>();
346	<	f.completeExceptionally(new IndexOutOfBoundsException());
346	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
347		assertTrue(f.toString().contains("[Completed exceptionally]"));
348	+
349	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
350	+	f = new CompletableFuture<String>();
351	+	assertTrue(f.cancel(mayInterruptIfRunning));
352	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
353	+	}
354		}
355
356		/**
#	Line 315 | Line 361 | public class CompletableFutureTest exten
361		checkCompletedNormally(f, "test");
362		}
363
364	<	// Choose non-commutative actions for better coverage
365	<
366	<	static final Supplier<Integer> supplyOne =
367	<	() -> Integer.valueOf(1);
368	<	static final Function<Integer, Integer> inc =
369	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
370	<	static final BiFunction<Integer, Integer, Integer> subtract =
325	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
326	<	static final class IncAction implements Consumer<Integer> {
327	<	int value;
328	<	public void accept(Integer x) { value = x.intValue() + 1; }
329	<	}
330	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
331	<	int value;
332	<	public void accept(Integer x, Integer y) {
333	<	value = x.intValue() - y.intValue();
364	>	abstract class CheckedAction {
365	>	int invocationCount = 0;
366	>	final ExecutionMode m;
367	>	CheckedAction(ExecutionMode m) { this.m = m; }
368	>	void invoked() {
369	>	m.checkExecutionMode();
370	>	assertEquals(0, invocationCount++);
371		}
372	<	}
373	<	static final class Noop implements Runnable {
337	<	boolean ran;
338	<	public void run() { ran = true; }
372	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
373	>	void assertInvoked() { assertEquals(1, invocationCount); }
374		}
375
376	<	static final class FailingSupplier implements Supplier<Integer> {
377	<	boolean ran;
378	<	public Integer get() { ran = true; throw new CFException(); }
379	<	}
380	<	static final class FailingConsumer implements Consumer<Integer> {
381	<	boolean ran;
347	<	public void accept(Integer x) { ran = true; throw new CFException(); }
348	<	}
349	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
350	<	boolean ran;
351	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
352	<	}
353	<	static final class FailingFunction implements Function<Integer, Integer> {
354	<	boolean ran;
355	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
356	<	}
357	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
358	<	boolean ran;
359	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
360	<	}
361	<	static final class FailingNoop implements Runnable {
362	<	boolean ran;
363	<	public void run() { ran = true; throw new CFException(); }
364	<	}
365	<
366	<	static final class CompletableFutureInc
367	<	implements Function<Integer, CompletableFuture<Integer>> {
368	<	boolean ran;
369	<	public CompletableFuture<Integer> apply(Integer x) {
370	<	ran = true;
371	<	CompletableFuture<Integer> f = new CompletableFuture<>();
372	<	f.complete(Integer.valueOf(x.intValue() + 1));
373	<	return f;
376	>	abstract class CheckedIntegerAction extends CheckedAction {
377	>	Integer value;
378	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
379	>	void assertValue(Integer expected) {
380	>	assertInvoked();
381	>	assertEquals(expected, value);
382		}
383		}
384
385	<	static final class FailingCompletableFutureFunction
386	<	implements Function<Integer, CompletableFuture<Integer>> {
387	<	boolean ran;
388	<	public CompletableFuture<Integer> apply(Integer x) {
389	<	ran = true; throw new CFException();
385	>	class IntegerSupplier extends CheckedAction
386	>	implements Supplier<Integer>
387	>	{
388	>	final Integer value;
389	>	IntegerSupplier(ExecutionMode m, Integer value) {
390	>	super(m);
391	>	this.value = value;
392		}
393	<	}
394	<
395	<	// Used for explicit executor tests
386	<	static final class ThreadExecutor implements Executor {
387	<	AtomicInteger count = new AtomicInteger(0);
388	<
389	<	public void execute(Runnable r) {
390	<	count.getAndIncrement();
391	<	new Thread(r).start();
393	>	public Integer get() {
394	>	invoked();
395	>	return value;
396		}
397		}
398
399	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
400	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
399	>	// A function that handles and produces null values as well.
400	>	static Integer inc(Integer x) {
401	>	return (x == null) ? null : x + 1;
402		}
403
404	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
405	<	boolean ran;
406	<	public Integer apply(Integer x, Throwable t) {
407	<	ran = true;
408	<	return (t == null) ? two : three;
404	>	class NoopConsumer extends CheckedIntegerAction
405	>	implements Consumer<Integer>
406	>	{
407	>	NoopConsumer(ExecutionMode m) { super(m); }
408	>	public void accept(Integer x) {
409	>	invoked();
410	>	value = x;
411		}
412		}
413
414	<	/**
415	<	* exceptionally action completes with function value on source
416	<	* exception; otherwise with source value
417	<	*/
418	<	public void testExceptionally() {
419	<	CompletableFuture<Integer> f = new CompletableFuture<>();
420	<	ExceptionToInteger r = new ExceptionToInteger();
421	<	CompletableFuture<Integer> g = f.exceptionally(r);
415	<	f.completeExceptionally(new CFException());
416	<	checkCompletedNormally(g, three);
417	<
418	<	f = new CompletableFuture<>();
419	<	r = new ExceptionToInteger();
420	<	g = f.exceptionally(r);
421	<	f.complete(one);
422	<	checkCompletedNormally(g, one);
423	<	}
424	<
425	<	/**
426	<	* handle action completes normally with function value on either
427	<	* normal or exceptional completion of source
428	<	*/
429	<	public void testHandle() {
430	<	CompletableFuture<Integer> f, g;
431	<	IntegerHandler r;
432	<
433	<	f = new CompletableFuture<>();
434	<	f.completeExceptionally(new CFException());
435	<	g = f.handle(r = new IntegerHandler());
436	<	assertTrue(r.ran);
437	<	checkCompletedNormally(g, three);
438	<
439	<	f = new CompletableFuture<>();
440	<	g = f.handle(r = new IntegerHandler());
441	<	assertFalse(r.ran);
442	<	f.completeExceptionally(new CFException());
443	<	checkCompletedNormally(g, three);
444	<	assertTrue(r.ran);
445	<
446	<	f = new CompletableFuture<>();
447	<	f.complete(one);
448	<	g = f.handle(r = new IntegerHandler());
449	<	assertTrue(r.ran);
450	<	checkCompletedNormally(g, two);
451	<
452	<	f = new CompletableFuture<>();
453	<	g = f.handle(r = new IntegerHandler());
454	<	assertFalse(r.ran);
455	<	f.complete(one);
456	<	assertTrue(r.ran);
457	<	checkCompletedNormally(g, two);
458	<	}
459	<
460	<	/**
461	<	* runAsync completes after running Runnable
462	<	*/
463	<	public void testRunAsync() {
464	<	Noop r = new Noop();
465	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
466	<	assertNull(f.join());
467	<	assertTrue(r.ran);
468	<	checkCompletedNormally(f, null);
469	<	}
470	<
471	<	/**
472	<	* runAsync with executor completes after running Runnable
473	<	*/
474	<	public void testRunAsync2() {
475	<	Noop r = new Noop();
476	<	ThreadExecutor exec = new ThreadExecutor();
477	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
478	<	assertNull(f.join());
479	<	assertTrue(r.ran);
480	<	checkCompletedNormally(f, null);
481	<	assertEquals(1, exec.count.get());
482	<	}
483	<
484	<	/**
485	<	* failing runAsync completes exceptionally after running Runnable
486	<	*/
487	<	public void testRunAsync3() {
488	<	FailingNoop r = new FailingNoop();
489	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
490	<	checkCompletedWithWrappedCFException(f);
491	<	assertTrue(r.ran);
492	<	}
493	<
494	<	/**
495	<	* supplyAsync completes with result of supplier
496	<	*/
497	<	public void testSupplyAsync() {
498	<	CompletableFuture<Integer> f;
499	<	f = CompletableFuture.supplyAsync(supplyOne);
500	<	assertEquals(f.join(), one);
501	<	checkCompletedNormally(f, one);
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 with executor completes with result of supplier
426	<	*/
427	<	public void testSupplyAsync2() {
428	<	CompletableFuture<Integer> f;
429	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
510	<	assertEquals(f.join(), one);
511	<	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	<	* Failing supplyAsync completes exceptionally
434	<	*/
435	<	public void testSupplyAsync3() {
436	<	FailingSupplier r = new FailingSupplier();
437	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
438	<	checkCompletedWithWrappedCFException(f);
439	<	assertTrue(r.ran);
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	<	// seq completion methods
443	<
444	<	/**
445	<	* thenRun result completes normally after normal completion of source
446	<	*/
447	<	public void testThenRun() {
448	<	CompletableFuture<Integer> f;
449	<	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);
442	>	class SubtractFunction extends CheckedIntegerAction
443	>	implements BiFunction<Integer, Integer, Integer>
444	>	{
445	>	SubtractFunction(ExecutionMode m) { super(m); }
446	>	public Integer apply(Integer x, Integer y) {
447	>	invoked();
448	>	return value = subtract(x, y);
449	>	}
450		}
451
452	<	/**
453	<	* thenRun result completes exceptionally after exceptional
454	<	* completion of source
455	<	*/
456	<	public void testThenRun2() {
552	<	CompletableFuture<Integer> f;
553	<	CompletableFuture<Void> g;
554	<	Noop r;
555	<
556	<	f = new CompletableFuture<>();
557	<	g = f.thenRun(r = new Noop());
558	<	f.completeExceptionally(new CFException());
559	<	checkCompletedWithWrappedCFException(g);
560	<	assertFalse(r.ran);
561	<
562	<	f = new CompletableFuture<>();
563	<	f.completeExceptionally(new CFException());
564	<	g = f.thenRun(r = new Noop());
565	<	checkCompletedWithWrappedCFException(g);
566	<	assertFalse(r.ran);
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 if action does
461	<	*/
462	<	public void testThenRun3() {
463	<	CompletableFuture<Integer> f;
464	<	CompletableFuture<Void> g;
465	<	FailingNoop r;
466	<
577	<	f = new CompletableFuture<>();
578	<	g = f.thenRun(r = new FailingNoop());
579	<	f.complete(null);
580	<	checkCompletedWithWrappedCFException(g);
581	<
582	<	f = new CompletableFuture<>();
583	<	f.complete(null);
584	<	g = f.thenRun(r = new FailingNoop());
585	<	checkCompletedWithWrappedCFException(g);
459	>	class FailingSupplier extends CheckedAction
460	>	implements Supplier<Integer>
461	>	{
462	>	FailingSupplier(ExecutionMode m) { super(m); }
463	>	public Integer get() {
464	>	invoked();
465	>	throw new CFException();
466	>	}
467		}
468
469	<	/**
470	<	* thenRun result completes exceptionally if source cancelled
471	<	*/
472	<	public void testThenRun4() {
473	<	CompletableFuture<Integer> f;
474	<	CompletableFuture<Void> g;
475	<	Noop r;
476	<
477	<	f = new CompletableFuture<>();
597	<	g = f.thenRun(r = new Noop());
598	<	assertTrue(f.cancel(true));
599	<	checkCompletedWithWrappedCancellationException(g);
600	<
601	<	f = new CompletableFuture<>();
602	<	assertTrue(f.cancel(true));
603	<	g = f.thenRun(r = new Noop());
604	<	checkCompletedWithWrappedCancellationException(g);
469	>	class FailingConsumer extends CheckedIntegerAction
470	>	implements Consumer<Integer>
471	>	{
472	>	FailingConsumer(ExecutionMode m) { super(m); }
473	>	public void accept(Integer x) {
474	>	invoked();
475	>	value = x;
476	>	throw new CFException();
477	>	}
478		}
479
480	<	/**
481	<	* thenApply result completes normally after normal completion of source
482	<	*/
483	<	public void testThenApply() {
484	<	CompletableFuture<Integer> f = new CompletableFuture<>();
485	<	CompletableFuture<Integer> g = f.thenApply(inc);
486	<	f.complete(one);
487	<	checkCompletedNormally(g, two);
480	>	class FailingBiConsumer extends CheckedIntegerAction
481	>	implements BiConsumer<Integer, Integer>
482	>	{
483	>	FailingBiConsumer(ExecutionMode m) { super(m); }
484	>	public void accept(Integer x, Integer y) {
485	>	invoked();
486	>	value = subtract(x, y);
487	>	throw new CFException();
488	>	}
489		}
490
491	<	/**
492	<	* thenApply result completes exceptionally after exceptional
493	<	* completion of source
494	<	*/
495	<	public void testThenApply2() {
496	<	CompletableFuture<Integer> f = new CompletableFuture<>();
497	<	CompletableFuture<Integer> g = f.thenApply(inc);
498	<	f.completeExceptionally(new CFException());
499	<	checkCompletedWithWrappedCFException(g);
491	>	class FailingFunction extends CheckedIntegerAction
492	>	implements Function<Integer, Integer>
493	>	{
494	>	FailingFunction(ExecutionMode m) { super(m); }
495	>	public Integer apply(Integer x) {
496	>	invoked();
497	>	value = x;
498	>	throw new CFException();
499	>	}
500		}
501
502	<	/**
503	<	* thenApply result completes exceptionally if action does
504	<	*/
505	<	public void testThenApply3() {
506	<	CompletableFuture<Integer> f = new CompletableFuture<>();
507	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
508	<	f.complete(one);
509	<	checkCompletedWithWrappedCFException(g);
502	>	class FailingBiFunction extends CheckedIntegerAction
503	>	implements BiFunction<Integer, Integer, Integer>
504	>	{
505	>	FailingBiFunction(ExecutionMode m) { super(m); }
506	>	public Integer apply(Integer x, Integer y) {
507	>	invoked();
508	>	value = subtract(x, y);
509	>	throw new CFException();
510	>	}
511		}
512
513	<	/**
514	<	* thenApply result completes exceptionally if source cancelled
515	<	*/
516	<	public void testThenApply4() {
517	<	CompletableFuture<Integer> f = new CompletableFuture<>();
518	<	CompletableFuture<Integer> g = f.thenApply(inc);
644	<	assertTrue(f.cancel(true));
645	<	checkCompletedWithWrappedCancellationException(g);
513	>	class FailingRunnable extends CheckedAction implements Runnable {
514	>	FailingRunnable(ExecutionMode m) { super(m); }
515	>	public void run() {
516	>	invoked();
517	>	throw new CFException();
518	>	}
519		}
520
521	<	/**
522	<	* thenAccept result completes normally after normal completion of source
523	<	*/
524	<	public void testThenAccept() {
525	<	CompletableFuture<Integer> f = new CompletableFuture<>();
526	<	IncAction r = new IncAction();
527	<	CompletableFuture<Void> g = f.thenAccept(r);
528	<	f.complete(one);
529	<	checkCompletedNormally(g, null);
530	<	assertEquals(r.value, 2);
521	>	class CompletableFutureInc extends CheckedIntegerAction
522	>	implements Function<Integer, CompletableFuture<Integer>>
523	>	{
524	>	CompletableFutureInc(ExecutionMode m) { super(m); }
525	>	public CompletableFuture<Integer> apply(Integer x) {
526	>	invoked();
527	>	value = x;
528	>	CompletableFuture<Integer> f = new CompletableFuture<>();
529	>	assertTrue(f.complete(inc(x)));
530	>	return f;
531	>	}
532		}
533
534	<	/**
535	<	* thenAccept result completes exceptionally after exceptional
536	<	* completion of source
537	<	*/
538	<	public void testThenAccept2() {
539	<	CompletableFuture<Integer> f = new CompletableFuture<>();
540	<	IncAction r = new IncAction();
541	<	CompletableFuture<Void> g = f.thenAccept(r);
542	<	f.completeExceptionally(new CFException());
669	<	checkCompletedWithWrappedCFException(g);
534	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
535	>	implements Function<Integer, CompletableFuture<Integer>>
536	>	{
537	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
538	>	public CompletableFuture<Integer> apply(Integer x) {
539	>	invoked();
540	>	value = x;
541	>	throw new CFException();
542	>	}
543		}
544
545	<	/**
546	<	* thenAccept result completes exceptionally if action does
547	<	*/
548	<	public void testThenAccept3() {
549	<	CompletableFuture<Integer> f = new CompletableFuture<>();
550	<	FailingConsumer r = new FailingConsumer();
551	<	CompletableFuture<Void> g = f.thenAccept(r);
679	<	f.complete(one);
680	<	checkCompletedWithWrappedCFException(g);
681	<	assertTrue(r.ran);
682	<	}
545	>	// Used for explicit executor tests
546	>	static final class ThreadExecutor implements Executor {
547	>	final AtomicInteger count = new AtomicInteger(0);
548	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
549	>	static boolean startedCurrentThread() {
550	>	return Thread.currentThread().getThreadGroup() == tg;
551	>	}
552
553	<	/**
554	<	* thenAccept result completes exceptionally if source cancelled
555	<	*/
556	<	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);
553	>	public void execute(Runnable r) {
554	>	count.getAndIncrement();
555	>	new Thread(tg, r).start();
556	>	}
557		}
558
559	<	/**
560	<	* thenCombine result completes normally after normal completion
697	<	* of sources
698	<	*/
699	<	public void testThenCombine() {
700	<	CompletableFuture<Integer> f, g, h;
701	<
702	<	f = new CompletableFuture<>();
703	<	g = new CompletableFuture<>();
704	<	h = f.thenCombine(g, subtract);
705	<	f.complete(3);
706	<	checkIncomplete(h);
707	<	g.complete(1);
708	<	checkCompletedNormally(h, 2);
709	<
710	<	f = new CompletableFuture<>();
711	<	g = new CompletableFuture<>();
712	<	h = f.thenCombine(g, subtract);
713	<	g.complete(1);
714	<	checkIncomplete(h);
715	<	f.complete(3);
716	<	checkCompletedNormally(h, 2);
717	<
718	<	f = new CompletableFuture<>();
719	<	g = new CompletableFuture<>();
720	<	g.complete(1);
721	<	f.complete(3);
722	<	h = f.thenCombine(g, subtract);
723	<	checkCompletedNormally(h, 2);
724	<	}
559	>	static final boolean defaultExecutorIsCommonPool
560	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
561
562		/**
563	<	* thenCombine result completes exceptionally after exceptional
564	<	* completion of either source
563	>	* Permits the testing of parallel code for the 3 different
564	>	* execution modes without copy/pasting all the test methods.
565		*/
566	<	public void testThenCombine2() {
567	<	CompletableFuture<Integer> f, g, h;
568	<
569	<	f = new CompletableFuture<>();
570	<	g = new CompletableFuture<>();
571	<	h = f.thenCombine(g, subtract);
572	<	f.completeExceptionally(new CFException());
573	<	checkIncomplete(h);
574	<	g.complete(1);
575	<	checkCompletedWithWrappedCFException(h);
576	<
577	<	f = new CompletableFuture<>();
578	<	g = new CompletableFuture<>();
579	<	h = f.thenCombine(g, subtract);
580	<	g.completeExceptionally(new CFException());
581	<	checkIncomplete(h);
582	<	f.complete(3);
583	<	checkCompletedWithWrappedCFException(h);
566	>	enum ExecutionMode {
567	>	SYNC {
568	>	public void checkExecutionMode() {
569	>	assertFalse(ThreadExecutor.startedCurrentThread());
570	>	assertNull(ForkJoinTask.getPool());
571	>	}
572	>	public CompletableFuture<Void> runAsync(Runnable a) {
573	>	throw new UnsupportedOperationException();
574	>	}
575	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
576	>	throw new UnsupportedOperationException();
577	>	}
578	>	public <T> CompletableFuture<Void> thenRun
579	>	(CompletableFuture<T> f, Runnable a) {
580	>	return f.thenRun(a);
581	>	}
582	>	public <T> CompletableFuture<Void> thenAccept
583	>	(CompletableFuture<T> f, Consumer<? super T> a) {
584	>	return f.thenAccept(a);
585	>	}
586	>	public <T,U> CompletableFuture<U> thenApply
587	>	(CompletableFuture<T> f, Function<? super T,U> a) {
588	>	return f.thenApply(a);
589	>	}
590	>	public <T,U> CompletableFuture<U> thenCompose
591	>	(CompletableFuture<T> f,
592	>	Function<? super T,? extends CompletionStage<U>> a) {
593	>	return f.thenCompose(a);
594	>	}
595	>	public <T,U> CompletableFuture<U> handle
596	>	(CompletableFuture<T> f,
597	>	BiFunction<? super T,Throwable,? extends U> a) {
598	>	return f.handle(a);
599	>	}
600	>	public <T> CompletableFuture<T> whenComplete
601	>	(CompletableFuture<T> f,
602	>	BiConsumer<? super T,? super Throwable> a) {
603	>	return f.whenComplete(a);
604	>	}
605	>	public <T,U> CompletableFuture<Void> runAfterBoth
606	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
607	>	return f.runAfterBoth(g, a);
608	>	}
609	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
610	>	(CompletableFuture<T> f,
611	>	CompletionStage<? extends U> g,
612	>	BiConsumer<? super T,? super U> a) {
613	>	return f.thenAcceptBoth(g, a);
614	>	}
615	>	public <T,U,V> CompletableFuture<V> thenCombine
616	>	(CompletableFuture<T> f,
617	>	CompletionStage<? extends U> g,
618	>	BiFunction<? super T,? super U,? extends V> a) {
619	>	return f.thenCombine(g, a);
620	>	}
621	>	public <T> CompletableFuture<Void> runAfterEither
622	>	(CompletableFuture<T> f,
623	>	CompletionStage<?> g,
624	>	java.lang.Runnable a) {
625	>	return f.runAfterEither(g, a);
626	>	}
627	>	public <T> CompletableFuture<Void> acceptEither
628	>	(CompletableFuture<T> f,
629	>	CompletionStage<? extends T> g,
630	>	Consumer<? super T> a) {
631	>	return f.acceptEither(g, a);
632	>	}
633	>	public <T,U> CompletableFuture<U> applyToEither
634	>	(CompletableFuture<T> f,
635	>	CompletionStage<? extends T> g,
636	>	Function<? super T,U> a) {
637	>	return f.applyToEither(g, a);
638	>	}
639	>	},
640
641	<	f = new CompletableFuture<>();
642	<	g = new CompletableFuture<>();
643	<	f.complete(3);
644	<	g.completeExceptionally(new CFException());
645	<	h = f.thenCombine(g, subtract);
646	<	checkCompletedWithWrappedCFException(h);
641	>	ASYNC {
642	>	public void checkExecutionMode() {
643	>	assertEquals(defaultExecutorIsCommonPool,
644	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
645	>	}
646	>	public CompletableFuture<Void> runAsync(Runnable a) {
647	>	return CompletableFuture.runAsync(a);
648	>	}
649	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
650	>	return CompletableFuture.supplyAsync(a);
651	>	}
652	>	public <T> CompletableFuture<Void> thenRun
653	>	(CompletableFuture<T> f, Runnable a) {
654	>	return f.thenRunAsync(a);
655	>	}
656	>	public <T> CompletableFuture<Void> thenAccept
657	>	(CompletableFuture<T> f, Consumer<? super T> a) {
658	>	return f.thenAcceptAsync(a);
659	>	}
660	>	public <T,U> CompletableFuture<U> thenApply
661	>	(CompletableFuture<T> f, Function<? super T,U> a) {
662	>	return f.thenApplyAsync(a);
663	>	}
664	>	public <T,U> CompletableFuture<U> thenCompose
665	>	(CompletableFuture<T> f,
666	>	Function<? super T,? extends CompletionStage<U>> a) {
667	>	return f.thenComposeAsync(a);
668	>	}
669	>	public <T,U> CompletableFuture<U> handle
670	>	(CompletableFuture<T> f,
671	>	BiFunction<? super T,Throwable,? extends U> a) {
672	>	return f.handleAsync(a);
673	>	}
674	>	public <T> CompletableFuture<T> whenComplete
675	>	(CompletableFuture<T> f,
676	>	BiConsumer<? super T,? super Throwable> a) {
677	>	return f.whenCompleteAsync(a);
678	>	}
679	>	public <T,U> CompletableFuture<Void> runAfterBoth
680	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
681	>	return f.runAfterBothAsync(g, a);
682	>	}
683	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
684	>	(CompletableFuture<T> f,
685	>	CompletionStage<? extends U> g,
686	>	BiConsumer<? super T,? super U> a) {
687	>	return f.thenAcceptBothAsync(g, a);
688	>	}
689	>	public <T,U,V> CompletableFuture<V> thenCombine
690	>	(CompletableFuture<T> f,
691	>	CompletionStage<? extends U> g,
692	>	BiFunction<? super T,? super U,? extends V> a) {
693	>	return f.thenCombineAsync(g, a);
694	>	}
695	>	public <T> CompletableFuture<Void> runAfterEither
696	>	(CompletableFuture<T> f,
697	>	CompletionStage<?> g,
698	>	java.lang.Runnable a) {
699	>	return f.runAfterEitherAsync(g, a);
700	>	}
701	>	public <T> CompletableFuture<Void> acceptEither
702	>	(CompletableFuture<T> f,
703	>	CompletionStage<? extends T> g,
704	>	Consumer<? super T> a) {
705	>	return f.acceptEitherAsync(g, a);
706	>	}
707	>	public <T,U> CompletableFuture<U> applyToEither
708	>	(CompletableFuture<T> f,
709	>	CompletionStage<? extends T> g,
710	>	Function<? super T,U> a) {
711	>	return f.applyToEitherAsync(g, a);
712	>	}
713	>	},
714
715	<	f = new CompletableFuture<>();
716	<	g = new CompletableFuture<>();
717	<	f.completeExceptionally(new CFException());
718	<	g.complete(3);
719	<	h = f.thenCombine(g, subtract);
720	<	checkCompletedWithWrappedCFException(h);
721	<	}
715	>	EXECUTOR {
716	>	public void checkExecutionMode() {
717	>	assertTrue(ThreadExecutor.startedCurrentThread());
718	>	}
719	>	public CompletableFuture<Void> runAsync(Runnable a) {
720	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
721	>	}
722	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
723	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
724	>	}
725	>	public <T> CompletableFuture<Void> thenRun
726	>	(CompletableFuture<T> f, Runnable a) {
727	>	return f.thenRunAsync(a, new ThreadExecutor());
728	>	}
729	>	public <T> CompletableFuture<Void> thenAccept
730	>	(CompletableFuture<T> f, Consumer<? super T> a) {
731	>	return f.thenAcceptAsync(a, new ThreadExecutor());
732	>	}
733	>	public <T,U> CompletableFuture<U> thenApply
734	>	(CompletableFuture<T> f, Function<? super T,U> a) {
735	>	return f.thenApplyAsync(a, new ThreadExecutor());
736	>	}
737	>	public <T,U> CompletableFuture<U> thenCompose
738	>	(CompletableFuture<T> f,
739	>	Function<? super T,? extends CompletionStage<U>> a) {
740	>	return f.thenComposeAsync(a, new ThreadExecutor());
741	>	}
742	>	public <T,U> CompletableFuture<U> handle
743	>	(CompletableFuture<T> f,
744	>	BiFunction<? super T,Throwable,? extends U> a) {
745	>	return f.handleAsync(a, new ThreadExecutor());
746	>	}
747	>	public <T> CompletableFuture<T> whenComplete
748	>	(CompletableFuture<T> f,
749	>	BiConsumer<? super T,? super Throwable> a) {
750	>	return f.whenCompleteAsync(a, new ThreadExecutor());
751	>	}
752	>	public <T,U> CompletableFuture<Void> runAfterBoth
753	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
754	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
755	>	}
756	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
757	>	(CompletableFuture<T> f,
758	>	CompletionStage<? extends U> g,
759	>	BiConsumer<? super T,? super U> a) {
760	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
761	>	}
762	>	public <T,U,V> CompletableFuture<V> thenCombine
763	>	(CompletableFuture<T> f,
764	>	CompletionStage<? extends U> g,
765	>	BiFunction<? super T,? super U,? extends V> a) {
766	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
767	>	}
768	>	public <T> CompletableFuture<Void> runAfterEither
769	>	(CompletableFuture<T> f,
770	>	CompletionStage<?> g,
771	>	java.lang.Runnable a) {
772	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
773	>	}
774	>	public <T> CompletableFuture<Void> acceptEither
775	>	(CompletableFuture<T> f,
776	>	CompletionStage<? extends T> g,
777	>	Consumer<? super T> a) {
778	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
779	>	}
780	>	public <T,U> CompletableFuture<U> applyToEither
781	>	(CompletableFuture<T> f,
782	>	CompletionStage<? extends T> g,
783	>	Function<? super T,U> a) {
784	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
785	>	}
786	>	};
787
788	<	/**
789	<	* thenCombine result completes exceptionally if action does
790	<	*/
791	<	public void testThenCombine3() {
792	<	CompletableFuture<Integer> f = new CompletableFuture<>();
793	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
794	<	FailingBiFunction r = new FailingBiFunction();
795	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
796	<	f.complete(one);
797	<	checkIncomplete(g);
798	<	assertFalse(r.ran);
799	<	f2.complete(two);
800	<	checkCompletedWithWrappedCFException(g);
801	<	assertTrue(r.ran);
788	>	public abstract void checkExecutionMode();
789	>	public abstract CompletableFuture<Void> runAsync(Runnable a);
790	>	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
791	>	public abstract <T> CompletableFuture<Void> thenRun
792	>	(CompletableFuture<T> f, Runnable a);
793	>	public abstract <T> CompletableFuture<Void> thenAccept
794	>	(CompletableFuture<T> f, Consumer<? super T> a);
795	>	public abstract <T,U> CompletableFuture<U> thenApply
796	>	(CompletableFuture<T> f, Function<? super T,U> a);
797	>	public abstract <T,U> CompletableFuture<U> thenCompose
798	>	(CompletableFuture<T> f,
799	>	Function<? super T,? extends CompletionStage<U>> a);
800	>	public abstract <T,U> CompletableFuture<U> handle
801	>	(CompletableFuture<T> f,
802	>	BiFunction<? super T,Throwable,? extends U> a);
803	>	public abstract <T> CompletableFuture<T> whenComplete
804	>	(CompletableFuture<T> f,
805	>	BiConsumer<? super T,? super Throwable> a);
806	>	public abstract <T,U> CompletableFuture<Void> runAfterBoth
807	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
808	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
809	>	(CompletableFuture<T> f,
810	>	CompletionStage<? extends U> g,
811	>	BiConsumer<? super T,? super U> a);
812	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
813	>	(CompletableFuture<T> f,
814	>	CompletionStage<? extends U> g,
815	>	BiFunction<? super T,? super U,? extends V> a);
816	>	public abstract <T> CompletableFuture<Void> runAfterEither
817	>	(CompletableFuture<T> f,
818	>	CompletionStage<?> g,
819	>	java.lang.Runnable a);
820	>	public abstract <T> CompletableFuture<Void> acceptEither
821	>	(CompletableFuture<T> f,
822	>	CompletionStage<? extends T> g,
823	>	Consumer<? super T> a);
824	>	public abstract <T,U> CompletableFuture<U> applyToEither
825	>	(CompletableFuture<T> f,
826	>	CompletionStage<? extends T> g,
827	>	Function<? super T,U> a);
828		}
829
830		/**
831	<	* thenCombine result completes exceptionally if either source cancelled
831	>	* exceptionally action is not invoked when source completes
832	>	* normally, and source result is propagated
833		*/
834	<	public void testThenCombine4() {
835	<	CompletableFuture<Integer> f, g, h;
836	<
837	<	f = new CompletableFuture<>();
838	<	g = new CompletableFuture<>();
839	<	h = f.thenCombine(g, subtract);
840	<	assertTrue(f.cancel(true));
841	<	checkIncomplete(h);
842	<	g.complete(1);
843	<	checkCompletedWithWrappedCancellationException(h);
844	<
845	<	f = new CompletableFuture<>();
846	<	g = new CompletableFuture<>();
847	<	h = f.thenCombine(g, subtract);
797	<	assertTrue(g.cancel(true));
798	<	checkIncomplete(h);
799	<	f.complete(3);
800	<	checkCompletedWithWrappedCancellationException(h);
834	>	public void testExceptionally_normalCompletion() {
835	>	for (boolean createIncomplete : new boolean[] { true, false })
836	>	for (Integer v1 : new Integer[] { 1, null })
837	>	{
838	>	final AtomicInteger a = new AtomicInteger(0);
839	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
840	>	if (!createIncomplete) assertTrue(f.complete(v1));
841	>	final CompletableFuture<Integer> g = f.exceptionally
842	>	((Throwable t) -> {
843	>	a.getAndIncrement();
844	>	threadFail("should not be called");
845	>	return null;            // unreached
846	>	});
847	>	if (createIncomplete) assertTrue(f.complete(v1));
848
849	<	f = new CompletableFuture<>();
850	<	g = new CompletableFuture<>();
851	<	assertTrue(f.cancel(true));
852	<	assertTrue(g.cancel(true));
806	<	h = f.thenCombine(g, subtract);
807	<	checkCompletedWithWrappedCancellationException(h);
808	<	}
849	>	checkCompletedNormally(g, v1);
850	>	checkCompletedNormally(f, v1);
851	>	assertEquals(0, a.get());
852	>	}}
853
854		/**
855	<	* thenAcceptBoth result completes normally after normal
856	<	* completion of sources
855	>	* exceptionally action completes with function value on source
856	>	* exception
857		*/
858	<	public void testThenAcceptBoth() {
859	<	CompletableFuture<Integer> f, g;
860	<	CompletableFuture<Void> h;
861	<	SubtractAction r;
862	<
863	<	f = new CompletableFuture<>();
864	<	g = new CompletableFuture<>();
865	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
866	<	f.complete(3);
867	<	checkIncomplete(h);
868	<	g.complete(1);
869	<	checkCompletedNormally(h, null);
870	<	assertEquals(r.value, 2);
858	>	public void testExceptionally_exceptionalCompletion() {
859	>	for (boolean createIncomplete : new boolean[] { true, false })
860	>	for (Integer v1 : new Integer[] { 1, null })
861	>	{
862	>	final AtomicInteger a = new AtomicInteger(0);
863	>	final CFException ex = new CFException();
864	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
865	>	if (!createIncomplete) f.completeExceptionally(ex);
866	>	final CompletableFuture<Integer> g = f.exceptionally
867	>	((Throwable t) -> {
868	>	ExecutionMode.SYNC.checkExecutionMode();
869	>	threadAssertSame(t, ex);
870	>	a.getAndIncrement();
871	>	return v1;
872	>	});
873	>	if (createIncomplete) f.completeExceptionally(ex);
874
875	<	f = new CompletableFuture<>();
876	<	g = new CompletableFuture<>();
877	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
831	<	g.complete(1);
832	<	checkIncomplete(h);
833	<	f.complete(3);
834	<	checkCompletedNormally(h, null);
835	<	assertEquals(r.value, 2);
875	>	checkCompletedNormally(g, v1);
876	>	assertEquals(1, a.get());
877	>	}}
878
879	<	f = new CompletableFuture<>();
880	<	g = new CompletableFuture<>();
881	<	g.complete(1);
882	<	f.complete(3);
883	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
884	<	checkCompletedNormally(h, null);
885	<	assertEquals(r.value, 2);
886	<	}
879	>	public void testExceptionally_exceptionalCompletionActionFailed() {
880	>	for (boolean createIncomplete : new boolean[] { true, false })
881	>	{
882	>	final AtomicInteger a = new AtomicInteger(0);
883	>	final CFException ex1 = new CFException();
884	>	final CFException ex2 = new CFException();
885	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
886	>	if (!createIncomplete) f.completeExceptionally(ex1);
887	>	final CompletableFuture<Integer> g = f.exceptionally
888	>	((Throwable t) -> {
889	>	ExecutionMode.SYNC.checkExecutionMode();
890	>	threadAssertSame(t, ex1);
891	>	a.getAndIncrement();
892	>	throw ex2;
893	>	});
894	>	if (createIncomplete) f.completeExceptionally(ex1);
895	>
896	>	checkCompletedWithWrappedException(g, ex2);
897	>	assertEquals(1, a.get());
898	>	}}
899
900		/**
901	<	* thenAcceptBoth result completes exceptionally after exceptional
902	<	* completion of either source
901	>	* whenComplete action executes on normal completion, propagating
902	>	* source result.
903		*/
904	<	public void testThenAcceptBoth2() {
905	<	CompletableFuture<Integer> f, g;
906	<	CompletableFuture<Void> h;
907	<	SubtractAction r;
908	<
909	<	f = new CompletableFuture<>();
910	<	g = new CompletableFuture<>();
911	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
912	<	f.completeExceptionally(new CFException());
913	<	checkIncomplete(h);
914	<	g.complete(1);
915	<	checkCompletedWithWrappedCFException(h);
916	<
917	<	f = new CompletableFuture<>();
918	<	g = new CompletableFuture<>();
919	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
920	<	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);
904	>	public void testWhenComplete_normalCompletion() {
905	>	for (ExecutionMode m : ExecutionMode.values())
906	>	for (boolean createIncomplete : new boolean[] { true, false })
907	>	for (Integer v1 : new Integer[] { 1, null })
908	>	{
909	>	final AtomicInteger a = new AtomicInteger(0);
910	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
911	>	if (!createIncomplete) assertTrue(f.complete(v1));
912	>	final CompletableFuture<Integer> g = m.whenComplete
913	>	(f,
914	>	(Integer x, Throwable t) -> {
915	>	m.checkExecutionMode();
916	>	threadAssertSame(x, v1);
917	>	threadAssertNull(t);
918	>	a.getAndIncrement();
919	>	});
920	>	if (createIncomplete) assertTrue(f.complete(v1));
921
922	<	f = new CompletableFuture<>();
923	<	g = new CompletableFuture<>();
924	<	f.completeExceptionally(new CFException());
925	<	g.complete(3);
882	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
883	<	checkCompletedWithWrappedCFException(h);
884	<	}
922	>	checkCompletedNormally(g, v1);
923	>	checkCompletedNormally(f, v1);
924	>	assertEquals(1, a.get());
925	>	}}
926
927		/**
928	<	* thenAcceptBoth result completes exceptionally if action does
928	>	* whenComplete action executes on exceptional completion, propagating
929	>	* source result.
930		*/
931	<	public void testThenAcceptBoth3() {
932	<	CompletableFuture<Integer> f, g;
933	<	CompletableFuture<Void> h;
934	<	FailingBiConsumer r;
935	<
936	<	f = new CompletableFuture<>();
937	<	g = new CompletableFuture<>();
938	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
939	<	f.complete(3);
940	<	checkIncomplete(h);
941	<	g.complete(1);
942	<	checkCompletedWithWrappedCFException(h);
943	<
944	<	f = new CompletableFuture<>();
945	<	g = new CompletableFuture<>();
946	<	f.complete(3);
947	<	g.complete(1);
948	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
949	<	checkCompletedWithWrappedCFException(h);
950	<	}
931	>	public void testWhenComplete_exceptionalCompletion() {
932	>	for (ExecutionMode m : ExecutionMode.values())
933	>	for (boolean createIncomplete : new boolean[] { true, false })
934	>	{
935	>	final AtomicInteger a = new AtomicInteger(0);
936	>	final CFException ex = new CFException();
937	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
938	>	if (!createIncomplete) f.completeExceptionally(ex);
939	>	final CompletableFuture<Integer> g = m.whenComplete
940	>	(f,
941	>	(Integer x, Throwable t) -> {
942	>	m.checkExecutionMode();
943	>	threadAssertNull(x);
944	>	threadAssertSame(t, ex);
945	>	a.getAndIncrement();
946	>	});
947	>	if (createIncomplete) f.completeExceptionally(ex);
948	>
949	>	checkCompletedWithWrappedException(g, ex);
950	>	checkCompletedExceptionally(f, ex);
951	>	assertEquals(1, a.get());
952	>	}}
953
954		/**
955	<	* thenAcceptBoth result completes exceptionally if either source cancelled
955	>	* whenComplete action executes on cancelled source, propagating
956	>	* CancellationException.
957		*/
958	<	public void testThenAcceptBoth4() {
959	<	CompletableFuture<Integer> f, g;
960	<	CompletableFuture<Void> h;
961	<	SubtractAction r;
962	<
963	<	f = new CompletableFuture<>();
964	<	g = new CompletableFuture<>();
965	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
966	<	assertTrue(f.cancel(true));
967	<	checkIncomplete(h);
968	<	g.complete(1);
969	<	checkCompletedWithWrappedCancellationException(h);
970	<
971	<	f = new CompletableFuture<>();
972	<	g = new CompletableFuture<>();
973	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
974	<	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);
958	>	public void testWhenComplete_sourceCancelled() {
959	>	for (ExecutionMode m : ExecutionMode.values())
960	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
961	>	for (boolean createIncomplete : new boolean[] { true, false })
962	>	{
963	>	final AtomicInteger a = new AtomicInteger(0);
964	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
965	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
966	>	final CompletableFuture<Integer> g = m.whenComplete
967	>	(f,
968	>	(Integer x, Throwable t) -> {
969	>	m.checkExecutionMode();
970	>	threadAssertNull(x);
971	>	threadAssertTrue(t instanceof CancellationException);
972	>	a.getAndIncrement();
973	>	});
974	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
975
976	<	f = new CompletableFuture<>();
977	<	g = new CompletableFuture<>();
978	<	assertTrue(f.cancel(true));
979	<	g.complete(3);
945	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
946	<	checkCompletedWithWrappedCancellationException(h);
947	<	}
976	>	checkCompletedWithWrappedCancellationException(g);
977	>	checkCancelled(f);
978	>	assertEquals(1, a.get());
979	>	}}
980
981		/**
982	<	* runAfterBoth result completes normally after normal
983	<	* completion of sources
982	>	* If a whenComplete action throws an exception when triggered by
983	>	* a normal completion, it completes exceptionally
984		*/
985	<	public void testRunAfterBoth_normalCompletion1() {
985	>	public void testWhenComplete_actionFailed() {
986	>	for (boolean createIncomplete : new boolean[] { true, false })
987	>	for (ExecutionMode m : ExecutionMode.values())
988		for (Integer v1 : new Integer[] { 1, null })
989	<	for (Integer v2 : new Integer[] { 2, null }) {
990	<
989	>	{
990	>	final AtomicInteger a = new AtomicInteger(0);
991	>	final CFException ex = new CFException();
992		final CompletableFuture<Integer> f = new CompletableFuture<>();
993	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
994	<	final Noop r = new Noop();
995	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
993	>	if (!createIncomplete) assertTrue(f.complete(v1));
994	>	final CompletableFuture<Integer> g = m.whenComplete
995	>	(f,
996	>	(Integer x, Throwable t) -> {
997	>	m.checkExecutionMode();
998	>	threadAssertSame(x, v1);
999	>	threadAssertNull(t);
1000	>	a.getAndIncrement();
1001	>	throw ex;
1002	>	});
1003	>	if (createIncomplete) assertTrue(f.complete(v1));
1004
1005	<	f.complete(v1);
963	<	checkIncomplete(h);
964	<	assertFalse(r.ran);
965	<	g.complete(v2);
966	<
967	<	checkCompletedNormally(h, null);
968	<	assertTrue(r.ran);
1005	>	checkCompletedWithWrappedException(g, ex);
1006		checkCompletedNormally(f, v1);
1007	<	checkCompletedNormally(g, v2);
1008	<	}
972	<	}
973	<
974	<	public void testRunAfterBoth_normalCompletion2() {
975	<	for (Integer v1 : new Integer[] { 1, null })
976	<	for (Integer v2 : new Integer[] { 2, null }) {
1007	>	assertEquals(1, a.get());
1008	>	}}
1009
1010	+	/**
1011	+	* If a whenComplete action throws an exception when triggered by
1012	+	* a source completion that also throws an exception, the source
1013	+	* exception takes precedence.
1014	+	*/
1015	+	public void testWhenComplete_actionFailedSourceFailed() {
1016	+	for (boolean createIncomplete : new boolean[] { true, false })
1017	+	for (ExecutionMode m : ExecutionMode.values())
1018	+	{
1019	+	final AtomicInteger a = new AtomicInteger(0);
1020	+	final CFException ex1 = new CFException();
1021	+	final CFException ex2 = new CFException();
1022		final CompletableFuture<Integer> f = new CompletableFuture<>();
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);
1023
1024	<	checkCompletedNormally(h, null);
1025	<	assertTrue(r.ran);
1026	<	checkCompletedNormally(f, v1);
1027	<	checkCompletedNormally(g, v2);
1028	<	}
1029	<	}
1030	<
1031	<	public void testRunAfterBoth_normalCompletion3() {
1024	>	if (!createIncomplete) f.completeExceptionally(ex1);
1025	>	final CompletableFuture<Integer> g = m.whenComplete
1026	>	(f,
1027	>	(Integer x, Throwable t) -> {
1028	>	m.checkExecutionMode();
1029	>	threadAssertSame(t, ex1);
1030	>	threadAssertNull(x);
1031	>	a.getAndIncrement();
1032	>	throw ex2;
1033	>	});
1034	>	if (createIncomplete) f.completeExceptionally(ex1);
1035	>
1036	>	checkCompletedWithWrappedException(g, ex1);
1037	>	checkCompletedExceptionally(f, ex1);
1038	>	assertEquals(1, a.get());
1039	>	}}
1040	>
1041	>	/**
1042	>	* handle action completes normally with function value on normal
1043	>	* completion of source
1044	>	*/
1045	>	public void testHandle_normalCompletion() {
1046	>	for (ExecutionMode m : ExecutionMode.values())
1047	>	for (boolean createIncomplete : new boolean[] { true, false })
1048		for (Integer v1 : new Integer[] { 1, null })
1049	<	for (Integer v2 : new Integer[] { 2, null }) {
998	<
1049	>	{
1050		final CompletableFuture<Integer> f = new CompletableFuture<>();
1051	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1052	<	final Noop r = new Noop();
1053	<
1054	<	g.complete(v2);
1055	<	f.complete(v1);
1056	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1051	>	final AtomicInteger a = new AtomicInteger(0);
1052	>	if (!createIncomplete) assertTrue(f.complete(v1));
1053	>	final CompletableFuture<Integer> g = m.handle
1054	>	(f,
1055	>	(Integer x, Throwable t) -> {
1056	>	m.checkExecutionMode();
1057	>	threadAssertSame(x, v1);
1058	>	threadAssertNull(t);
1059	>	a.getAndIncrement();
1060	>	return inc(v1);
1061	>	});
1062	>	if (createIncomplete) assertTrue(f.complete(v1));
1063
1064	<	checkCompletedNormally(h, null);
1008	<	assertTrue(r.ran);
1064	>	checkCompletedNormally(g, inc(v1));
1065		checkCompletedNormally(f, v1);
1066	<	checkCompletedNormally(g, v2);
1067	<	}
1012	<	}
1013	<
1014	<	public void testRunAfterBoth_normalCompletion4() {
1015	<	for (Integer v1 : new Integer[] { 1, null })
1016	<	for (Integer v2 : new Integer[] { 2, null }) {
1017	<
1018	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1019	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1020	<	final Noop r = new Noop();
1021	<
1022	<	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);
1028	<	checkCompletedNormally(f, v1);
1029	<	checkCompletedNormally(g, v2);
1030	<	}
1031	<	}
1066	>	assertEquals(1, a.get());
1067	>	}}
1068
1069		/**
1070	<	* runAfterBoth result completes exceptionally after exceptional
1071	<	* completion of either source
1070	>	* handle action completes normally with function value on
1071	>	* exceptional completion of source
1072		*/
1073	<	public void testRunAfterBoth_exceptionalCompletion1() {
1074	<	for (Integer v1 : new Integer[] { 1, null }) {
1075	<
1076	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1077	<	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 }) {
1079	<
1080	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1081	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1082	<	final Noop r = new Noop();
1083	<	final CFException ex = new CFException();
1084	<
1085	<	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);
1092	<	checkCompletedNormally(f, v1);
1093	<	}
1094	<	}
1095	<
1096	<	public void testRunAfterBoth_exceptionalCompletion4() {
1097	<	for (Integer v1 : new Integer[] { 1, null }) {
1098	<
1073	>	public void testHandle_exceptionalCompletion() {
1074	>	for (ExecutionMode m : ExecutionMode.values())
1075	>	for (boolean createIncomplete : new boolean[] { true, false })
1076	>	for (Integer v1 : new Integer[] { 1, null })
1077	>	{
1078		final CompletableFuture<Integer> f = new CompletableFuture<>();
1079	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1101	<	final Noop r = new Noop();
1079	>	final AtomicInteger a = new AtomicInteger(0);
1080		final CFException ex = new CFException();
1081	+	if (!createIncomplete) f.completeExceptionally(ex);
1082	+	final CompletableFuture<Integer> g = m.handle
1083	+	(f,
1084	+	(Integer x, Throwable t) -> {
1085	+	m.checkExecutionMode();
1086	+	threadAssertNull(x);
1087	+	threadAssertSame(t, ex);
1088	+	a.getAndIncrement();
1089	+	return v1;
1090	+	});
1091	+	if (createIncomplete) f.completeExceptionally(ex);
1092
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);
1093		checkCompletedNormally(g, v1);
1094	<	}
1095	<	}
1094	>	checkCompletedExceptionally(f, ex);
1095	>	assertEquals(1, a.get());
1096	>	}}
1097
1098		/**
1099	<	* runAfterBoth result completes exceptionally if action does
1099	>	* handle action completes normally with function value on
1100	>	* cancelled source
1101		*/
1102	<	public void testRunAfterBoth_actionFailed1() {
1102	>	public void testHandle_sourceCancelled() {
1103	>	for (ExecutionMode m : ExecutionMode.values())
1104	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1105	>	for (boolean createIncomplete : new boolean[] { true, false })
1106		for (Integer v1 : new Integer[] { 1, null })
1107	<	for (Integer v2 : new Integer[] { 2, null }) {
1121	<
1107	>	{
1108		final CompletableFuture<Integer> f = new CompletableFuture<>();
1109	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1110	<	final FailingNoop r = new FailingNoop();
1111	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1109	>	final AtomicInteger a = new AtomicInteger(0);
1110	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1111	>	final CompletableFuture<Integer> g = m.handle
1112	>	(f,
1113	>	(Integer x, Throwable t) -> {
1114	>	m.checkExecutionMode();
1115	>	threadAssertNull(x);
1116	>	threadAssertTrue(t instanceof CancellationException);
1117	>	a.getAndIncrement();
1118	>	return v1;
1119	>	});
1120	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1121
1122	<	f.complete(v1);
1123	<	checkIncomplete(h);
1124	<	g.complete(v2);
1125	<
1131	<	checkCompletedWithWrappedCFException(h);
1132	<	checkCompletedNormally(f, v1);
1133	<	checkCompletedNormally(g, v2);
1134	<	}
1135	<	}
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);
1149	<
1150	<	checkCompletedWithWrappedCFException(h);
1151	<	checkCompletedNormally(f, v1);
1152	<	checkCompletedNormally(g, v2);
1153	<	}
1154	<	}
1122	>	checkCompletedNormally(g, v1);
1123	>	checkCancelled(f);
1124	>	assertEquals(1, a.get());
1125	>	}}
1126
1127		/**
1128	<	* runAfterBoth result completes exceptionally if either source cancelled
1128	>	* handle result completes exceptionally if action does
1129		*/
1130	<	public void testRunAfterBoth_sourceCancelled1() {
1131	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1132	<	for (Integer v1 : new Integer[] { 1, null }) {
1133	<
1130	>	public void testHandle_sourceFailedActionFailed() {
1131	>	for (ExecutionMode m : ExecutionMode.values())
1132	>	for (boolean createIncomplete : new boolean[] { true, false })
1133	>	{
1134		final CompletableFuture<Integer> f = new CompletableFuture<>();
1135	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1136	<	final Noop r = new Noop();
1137	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1138	<
1139	<	assertTrue(f.cancel(mayInterruptIfRunning));
1140	<	checkIncomplete(h);
1141	<	g.complete(v1);
1142	<
1143	<	checkCompletedWithWrappedCancellationException(h);
1144	<	checkCancelled(f);
1145	<	assertFalse(r.ran);
1146	<	checkCompletedNormally(g, v1);
1147	<	}
1148	<	}
1149	<
1150	<	public void testRunAfterBoth_sourceCancelled2() {
1151	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1152	<	for (Integer v1 : new Integer[] { 1, null }) {
1153	<
1154	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1155	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1156	<	final Noop r = new Noop();
1157	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1158	<
1159	<	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	<
1135	>	final AtomicInteger a = new AtomicInteger(0);
1136	>	final CFException ex1 = new CFException();
1137	>	final CFException ex2 = new CFException();
1138	>	if (!createIncomplete) f.completeExceptionally(ex1);
1139	>	final CompletableFuture<Integer> g = m.handle
1140	>	(f,
1141	>	(Integer x, Throwable t) -> {
1142	>	m.checkExecutionMode();
1143	>	threadAssertNull(x);
1144	>	threadAssertSame(ex1, t);
1145	>	a.getAndIncrement();
1146	>	throw ex2;
1147	>	});
1148	>	if (createIncomplete) f.completeExceptionally(ex1);
1149	>
1150	>	checkCompletedWithWrappedException(g, ex2);
1151	>	checkCompletedExceptionally(f, ex1);
1152	>	assertEquals(1, a.get());
1153	>	}}
1154	>
1155	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1156	>	for (ExecutionMode m : ExecutionMode.values())
1157	>	for (boolean createIncomplete : new boolean[] { true, false })
1158	>	for (Integer v1 : new Integer[] { 1, null })
1159	>	{
1160		final CompletableFuture<Integer> f = new CompletableFuture<>();
1161	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1162	<	final Noop r = new Noop();
1163	<
1164	<	assertTrue(g.cancel(mayInterruptIfRunning));
1165	<	f.complete(v1);
1166	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1161	>	final AtomicInteger a = new AtomicInteger(0);
1162	>	final CFException ex = new CFException();
1163	>	if (!createIncomplete) assertTrue(f.complete(v1));
1164	>	final CompletableFuture<Integer> g = m.handle
1165	>	(f,
1166	>	(Integer x, Throwable t) -> {
1167	>	m.checkExecutionMode();
1168	>	threadAssertSame(x, v1);
1169	>	threadAssertNull(t);
1170	>	a.getAndIncrement();
1171	>	throw ex;
1172	>	});
1173	>	if (createIncomplete) assertTrue(f.complete(v1));
1174
1175	<	checkCompletedWithWrappedCancellationException(h);
1212	<	checkCancelled(g);
1213	<	assertFalse(r.ran);
1175	>	checkCompletedWithWrappedException(g, ex);
1176		checkCompletedNormally(f, v1);
1177	<	}
1178	<	}
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);
1231	<	checkCancelled(f);
1232	<	assertFalse(r.ran);
1233	<	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	<	}
1326	<
1327	<	/**
1328	<	* acceptEither result completes exceptionally after exceptional
1329	<	* 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	<	}
1177	>	assertEquals(1, a.get());
1178	>	}}
1179
1180		/**
1181	<	* 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
1403	<	*/
1404	<	public void testRunAfterEither2() {
1405	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1406	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1407	<	Noop r = new Noop();
1408	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1409	<	f.completeExceptionally(new CFException());
1410	<	f2.complete(one);
1411	<	checkCompletedWithWrappedCFException(g);
1412	<
1413	<	r = new Noop();
1414	<	f = new CompletableFuture<>();
1415	<	f2 = new CompletableFuture<>();
1416	<	f2.completeExceptionally(new CFException());
1417	<	g = f.runAfterEither(f2, r);
1418	<	checkCompletedWithWrappedCFException(g);
1419	<	}
1420	<
1421	<	/**
1422	<	* runAfterEither result completes exceptionally if action does
1423	<	*/
1424	<	public void testRunAfterEither3() {
1425	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1426	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1427	<	FailingNoop r = new FailingNoop();
1428	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1429	<	f2.complete(two);
1430	<	checkCompletedWithWrappedCFException(g);
1431	<	}
1432	<
1433	<	/**
1434	<	* runAfterEither result completes exceptionally if either source cancelled
1435	<	*/
1436	<	public void testRunAfterEither4() {
1437	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1438	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1439	<	Noop r = new Noop();
1440	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1441	<	assertTrue(f.cancel(true));
1442	<	checkCompletedWithWrappedCancellationException(g);
1443	<	f = new CompletableFuture<>();
1444	<	f2 = new CompletableFuture<>();
1445	<	assertTrue(f2.cancel(true));
1446	<	checkCompletedWithWrappedCancellationException(g);
1447	<	}
1448	<
1449	<	/**
1450	<	* thenCompose result completes normally after normal completion of source
1181	>	* runAsync completes after running Runnable
1182		*/
1183	<	public void testThenCompose() {
1184	<	CompletableFuture<Integer> f, g;
1185	<	CompletableFutureInc r;
1186	<
1187	<	f = new CompletableFuture<>();
1188	<	g = f.thenCompose(r = new CompletableFutureInc());
1189	<	f.complete(one);
1190	<	checkCompletedNormally(g, two);
1191	<	assertTrue(r.ran);
1192	<
1193	<	f = new CompletableFuture<>();
1194	<	f.complete(one);
1195	<	g = f.thenCompose(r = new CompletableFutureInc());
1465	<	checkCompletedNormally(g, two);
1466	<	assertTrue(r.ran);
1467	<	}
1183	>	public void testRunAsync_normalCompletion() {
1184	>	ExecutionMode[] executionModes = {
1185	>	ExecutionMode.ASYNC,
1186	>	ExecutionMode.EXECUTOR,
1187	>	};
1188	>	for (ExecutionMode m : executionModes)
1189	>	{
1190	>	final Noop r = new Noop(m);
1191	>	final CompletableFuture<Void> f = m.runAsync(r);
1192	>	assertNull(f.join());
1193	>	checkCompletedNormally(f, null);
1194	>	r.assertInvoked();
1195	>	}}
1196
1197		/**
1198	<	* thenCompose result completes exceptionally after exceptional
1471	<	* completion of source
1198	>	* failing runAsync completes exceptionally after running Runnable
1199		*/
1200	<	public void testThenCompose2() {
1201	<	CompletableFuture<Integer> f, g;
1202	<	CompletableFutureInc r;
1203	<
1204	<	f = new CompletableFuture<>();
1205	<	g = f.thenCompose(r = new CompletableFutureInc());
1206	<	f.completeExceptionally(new CFException());
1207	<	checkCompletedWithWrappedCFException(g);
1208	<
1209	<	f = new CompletableFuture<>();
1210	<	f.completeExceptionally(new CFException());
1211	<	g = f.thenCompose(r = new CompletableFutureInc());
1485	<	checkCompletedWithWrappedCFException(g);
1486	<	}
1200	>	public void testRunAsync_exceptionalCompletion() {
1201	>	ExecutionMode[] executionModes = {
1202	>	ExecutionMode.ASYNC,
1203	>	ExecutionMode.EXECUTOR,
1204	>	};
1205	>	for (ExecutionMode m : executionModes)
1206	>	{
1207	>	final FailingRunnable r = new FailingRunnable(m);
1208	>	final CompletableFuture<Void> f = m.runAsync(r);
1209	>	checkCompletedWithWrappedCFException(f);
1210	>	r.assertInvoked();
1211	>	}}
1212
1213		/**
1214	<	* thenCompose result completes exceptionally if action does
1214	>	* supplyAsync completes with result of supplier
1215		*/
1216	<	public void testThenCompose3() {
1217	<	CompletableFuture<Integer> f, g;
1218	<	FailingCompletableFutureFunction r;
1219	<
1220	<	f = new CompletableFuture<>();
1221	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1222	<	f.complete(one);
1223	<	checkCompletedWithWrappedCFException(g);
1224	<
1225	<	f = new CompletableFuture<>();
1226	<	f.complete(one);
1227	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1228	<	checkCompletedWithWrappedCFException(g);
1229	<	}
1216	>	public void testSupplyAsync_normalCompletion() {
1217	>	ExecutionMode[] executionModes = {
1218	>	ExecutionMode.ASYNC,
1219	>	ExecutionMode.EXECUTOR,
1220	>	};
1221	>	for (ExecutionMode m : executionModes)
1222	>	for (Integer v1 : new Integer[] { 1, null })
1223	>	{
1224	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1225	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1226	>	assertSame(v1, f.join());
1227	>	checkCompletedNormally(f, v1);
1228	>	r.assertInvoked();
1229	>	}}
1230
1231		/**
1232	<	* thenCompose result completes exceptionally if source cancelled
1232	>	* Failing supplyAsync completes exceptionally
1233		*/
1234	<	public void testThenCompose4() {
1235	<	CompletableFuture<Integer> f, g;
1236	<	CompletableFutureInc r;
1237	<
1238	<	f = new CompletableFuture<>();
1239	<	g = f.thenCompose(r = new CompletableFutureInc());
1240	<	assertTrue(f.cancel(true));
1241	<	checkCompletedWithWrappedCancellationException(g);
1242	<
1243	<	f = new CompletableFuture<>();
1244	<	assertTrue(f.cancel(true));
1245	<	g = f.thenCompose(r = new CompletableFutureInc());
1521	<	checkCompletedWithWrappedCancellationException(g);
1522	<	}
1234	>	public void testSupplyAsync_exceptionalCompletion() {
1235	>	ExecutionMode[] executionModes = {
1236	>	ExecutionMode.ASYNC,
1237	>	ExecutionMode.EXECUTOR,
1238	>	};
1239	>	for (ExecutionMode m : executionModes)
1240	>	{
1241	>	FailingSupplier r = new FailingSupplier(m);
1242	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1243	>	checkCompletedWithWrappedCFException(f);
1244	>	r.assertInvoked();
1245	>	}}
1246
1247	<	// asyncs
1247	>	// seq completion methods
1248
1249		/**
1250	<	* thenRunAsync result completes normally after normal completion of source
1250	>	* thenRun result completes normally after normal completion of source
1251		*/
1252	<	public void testThenRunAsync() {
1253	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1254	<	Noop r = new Noop();
1255	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1256	<	f.complete(null);
1257	<	checkCompletedNormally(g, null);
1252	>	public void testThenRun_normalCompletion() {
1253	>	for (ExecutionMode m : ExecutionMode.values())
1254	>	for (Integer v1 : new Integer[] { 1, null })
1255	>	{
1256	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1257	>	final Noop[] rs = new Noop[6];
1258	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1259
1260	<	// reordered version
1261	<	f = new CompletableFuture<>();
1262	<	f.complete(null);
1263	<	r = new Noop();
1264	<	g = f.thenRunAsync(r);
1265	<	checkCompletedNormally(g, null);
1266	<	}
1260	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1261	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1262	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1263	>	checkIncomplete(h0);
1264	>	checkIncomplete(h1);
1265	>	checkIncomplete(h2);
1266	>	assertTrue(f.complete(v1));
1267	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1268	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1269	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1270	>
1271	>	checkCompletedNormally(h0, null);
1272	>	checkCompletedNormally(h1, null);
1273	>	checkCompletedNormally(h2, null);
1274	>	checkCompletedNormally(h3, null);
1275	>	checkCompletedNormally(h4, null);
1276	>	checkCompletedNormally(h5, null);
1277	>	checkCompletedNormally(f, v1);
1278	>	for (Noop r : rs) r.assertInvoked();
1279	>	}}
1280
1281		/**
1282	<	* thenRunAsync result completes exceptionally after exceptional
1282	>	* thenRun result completes exceptionally after exceptional
1283		* completion of source
1284		*/
1285	<	public void testThenRunAsync2() {
1286	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1287	<	Noop r = new Noop();
1288	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1289	<	f.completeExceptionally(new CFException());
1290	<	try {
1291	<	g.join();
1555	<	shouldThrow();
1556	<	} catch (CompletionException success) {}
1557	<	checkCompletedWithWrappedCFException(g);
1558	<	}
1285	>	public void testThenRun_exceptionalCompletion() {
1286	>	for (ExecutionMode m : ExecutionMode.values())
1287	>	{
1288	>	final CFException ex = new CFException();
1289	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1290	>	final Noop[] rs = new Noop[6];
1291	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1292
1293	<	/**
1294	<	* thenRunAsync result completes exceptionally if action does
1295	<	*/
1296	<	public void testThenRunAsync3() {
1297	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1298	<	FailingNoop r = new FailingNoop();
1299	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1300	<	f.complete(null);
1301	<	checkCompletedWithWrappedCFException(g);
1302	<	}
1293	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1294	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1295	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1296	>	checkIncomplete(h0);
1297	>	checkIncomplete(h1);
1298	>	checkIncomplete(h2);
1299	>	assertTrue(f.completeExceptionally(ex));
1300	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1301	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1302	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1303	>
1304	>	checkCompletedWithWrappedException(h0, ex);
1305	>	checkCompletedWithWrappedException(h1, ex);
1306	>	checkCompletedWithWrappedException(h2, ex);
1307	>	checkCompletedWithWrappedException(h3, ex);
1308	>	checkCompletedWithWrappedException(h4, ex);
1309	>	checkCompletedWithWrappedException(h5, ex);
1310	>	checkCompletedExceptionally(f, ex);
1311	>	for (Noop r : rs) r.assertNotInvoked();
1312	>	}}
1313
1314		/**
1315	<	* thenRunAsync result completes exceptionally if source cancelled
1315	>	* thenRun result completes exceptionally if source cancelled
1316		*/
1317	<	public void testThenRunAsync4() {
1318	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1319	<	Noop r = new Noop();
1320	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1321	<	assertTrue(f.cancel(true));
1322	<	checkCompletedWithWrappedCancellationException(g);
1323	<	}
1317	>	public void testThenRun_sourceCancelled() {
1318	>	for (ExecutionMode m : ExecutionMode.values())
1319	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1320	>	{
1321	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1322	>	final Noop[] rs = new Noop[6];
1323	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1324
1325	<	/**
1326	<	* thenApplyAsync result completes normally after normal completion of source
1327	<	*/
1328	<	public void testThenApplyAsync() {
1329	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1330	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1331	<	f.complete(one);
1332	<	checkCompletedNormally(g, two);
1333	<	}
1325	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1326	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1327	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1328	>	checkIncomplete(h0);
1329	>	checkIncomplete(h1);
1330	>	checkIncomplete(h2);
1331	>	assertTrue(f.cancel(mayInterruptIfRunning));
1332	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1333	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1334	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1335	>
1336	>	checkCompletedWithWrappedCancellationException(h0);
1337	>	checkCompletedWithWrappedCancellationException(h1);
1338	>	checkCompletedWithWrappedCancellationException(h2);
1339	>	checkCompletedWithWrappedCancellationException(h3);
1340	>	checkCompletedWithWrappedCancellationException(h4);
1341	>	checkCompletedWithWrappedCancellationException(h5);
1342	>	checkCancelled(f);
1343	>	for (Noop r : rs) r.assertNotInvoked();
1344	>	}}
1345
1346		/**
1347	<	* thenApplyAsync result completes exceptionally after exceptional
1594	<	* completion of source
1347	>	* thenRun result completes exceptionally if action does
1348		*/
1349	<	public void testThenApplyAsync2() {
1350	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1351	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1352	<	f.completeExceptionally(new CFException());
1353	<	checkCompletedWithWrappedCFException(g);
1354	<	}
1349	>	public void testThenRun_actionFailed() {
1350	>	for (ExecutionMode m : ExecutionMode.values())
1351	>	for (Integer v1 : new Integer[] { 1, null })
1352	>	{
1353	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1354	>	final FailingRunnable[] rs = new FailingRunnable[6];
1355	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1356
1357	<	/**
1358	<	* thenApplyAsync result completes exceptionally if action does
1359	<	*/
1360	<	public void testThenApplyAsync3() {
1361	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1362	<	FailingFunction r = new FailingFunction();
1363	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1364	<	f.complete(null);
1365	<	checkCompletedWithWrappedCFException(g);
1366	<	}
1357	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1358	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1359	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1360	>	assertTrue(f.complete(v1));
1361	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1362	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1363	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1364	>
1365	>	checkCompletedWithWrappedCFException(h0);
1366	>	checkCompletedWithWrappedCFException(h1);
1367	>	checkCompletedWithWrappedCFException(h2);
1368	>	checkCompletedWithWrappedCFException(h3);
1369	>	checkCompletedWithWrappedCFException(h4);
1370	>	checkCompletedWithWrappedCFException(h5);
1371	>	checkCompletedNormally(f, v1);
1372	>	}}
1373
1374		/**
1375	<	* thenApplyAsync result completes exceptionally if source cancelled
1375	>	* thenApply result completes normally after normal completion of source
1376		*/
1377	<	public void testThenApplyAsync4() {
1378	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1379	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1380	<	assertTrue(f.cancel(true));
1381	<	checkCompletedWithWrappedCancellationException(g);
1382	<	}
1377	>	public void testThenApply_normalCompletion() {
1378	>	for (ExecutionMode m : ExecutionMode.values())
1379	>	for (Integer v1 : new Integer[] { 1, null })
1380	>	{
1381	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1382	>	final IncFunction[] rs = new IncFunction[4];
1383	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1384
1385	<	/**
1386	<	* thenAcceptAsync result completes normally after normal
1387	<	* completion of source
1388	<	*/
1389	<	public void testThenAcceptAsync() {
1390	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1391	<	IncAction r = new IncAction();
1392	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1393	<	f.complete(one);
1394	<	checkCompletedNormally(g, null);
1395	<	assertEquals(r.value, 2);
1396	<	}
1385	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1386	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1387	>	checkIncomplete(h0);
1388	>	checkIncomplete(h1);
1389	>	assertTrue(f.complete(v1));
1390	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1391	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1392	>
1393	>	checkCompletedNormally(h0, inc(v1));
1394	>	checkCompletedNormally(h1, inc(v1));
1395	>	checkCompletedNormally(h2, inc(v1));
1396	>	checkCompletedNormally(h3, inc(v1));
1397	>	checkCompletedNormally(f, v1);
1398	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1399	>	}}
1400
1401		/**
1402	<	* thenAcceptAsync result completes exceptionally after exceptional
1402	>	* thenApply result completes exceptionally after exceptional
1403		* completion of source
1404		*/
1405	<	public void testThenAcceptAsync2() {
1406	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1407	<	IncAction r = new IncAction();
1408	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1409	<	f.completeExceptionally(new CFException());
1410	<	checkCompletedWithWrappedCFException(g);
1411	<	}
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);
1685	<
1686	<	f = new CompletableFuture<>();
1687	<	g = new CompletableFuture<>();
1688	<	h = f.thenCombineAsync(g, subtract);
1689	<	g.complete(1);
1690	<	checkIncomplete(h);
1691	<	f.complete(3);
1692	<	checkCompletedNormally(h, 2);
1405	>	public void testThenApply_exceptionalCompletion() {
1406	>	for (ExecutionMode m : ExecutionMode.values())
1407	>	{
1408	>	final CFException ex = new CFException();
1409	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1410	>	final IncFunction[] rs = new IncFunction[4];
1411	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1412
1413	<	f = new CompletableFuture<>();
1414	<	g = new CompletableFuture<>();
1415	<	g.complete(1);
1416	<	f.complete(3);
1417	<	h = f.thenCombineAsync(g, subtract);
1418	<	checkCompletedNormally(h, 2);
1419	<	}
1413	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1414	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1415	>	assertTrue(f.completeExceptionally(ex));
1416	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1417	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1418	>
1419	>	checkCompletedWithWrappedException(h0, ex);
1420	>	checkCompletedWithWrappedException(h1, ex);
1421	>	checkCompletedWithWrappedException(h2, ex);
1422	>	checkCompletedWithWrappedException(h3, ex);
1423	>	checkCompletedExceptionally(f, ex);
1424	>	for (IncFunction r : rs) r.assertNotInvoked();
1425	>	}}
1426
1427		/**
1428	<	* thenCombineAsync result completes exceptionally after exceptional
1704	<	* completion of either source
1428	>	* thenApply result completes exceptionally if source cancelled
1429		*/
1430	<	public void testThenCombineAsync2() {
1431	<	CompletableFuture<Integer> f, g, h;
1432	<
1433	<	f = new CompletableFuture<>();
1434	<	g = new CompletableFuture<>();
1435	<	h = f.thenCombineAsync(g, subtract);
1436	<	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);
1430	>	public void testThenApply_sourceCancelled() {
1431	>	for (ExecutionMode m : ExecutionMode.values())
1432	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1433	>	{
1434	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1435	>	final IncFunction[] rs = new IncFunction[4];
1436	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1437
1438	<	f = new CompletableFuture<>();
1439	<	g = new CompletableFuture<>();
1440	<	g.completeExceptionally(new CFException());
1441	<	f.complete(3);
1442	<	h = f.thenCombineAsync(g, subtract);
1730	<	checkCompletedWithWrappedCFException(h);
1731	<	}
1438	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1439	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1440	>	assertTrue(f.cancel(mayInterruptIfRunning));
1441	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1442	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1443
1444	<	/**
1445	<	* thenCombineAsync result completes exceptionally if action does
1446	<	*/
1447	<	public void testThenCombineAsync3() {
1448	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1449	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1450	<	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	<	}
1444	>	checkCompletedWithWrappedCancellationException(h0);
1445	>	checkCompletedWithWrappedCancellationException(h1);
1446	>	checkCompletedWithWrappedCancellationException(h2);
1447	>	checkCompletedWithWrappedCancellationException(h3);
1448	>	checkCancelled(f);
1449	>	for (IncFunction r : rs) r.assertNotInvoked();
1450	>	}}
1451
1452		/**
1453	<	* thenCombineAsync result completes exceptionally if either source cancelled
1453	>	* thenApply result completes exceptionally if action does
1454		*/
1455	<	public void testThenCombineAsync4() {
1456	<	CompletableFuture<Integer> f, g, h;
1457	<
1458	<	f = new CompletableFuture<>();
1459	<	g = new CompletableFuture<>();
1460	<	h = f.thenCombineAsync(g, subtract);
1461	<	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);
1455	>	public void testThenApply_actionFailed() {
1456	>	for (ExecutionMode m : ExecutionMode.values())
1457	>	for (Integer v1 : new Integer[] { 1, null })
1458	>	{
1459	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1460	>	final FailingFunction[] rs = new FailingFunction[4];
1461	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1462
1463	<	f = new CompletableFuture<>();
1464	<	g = new CompletableFuture<>();
1465	<	f.complete(3);
1466	<	assertTrue(g.cancel(true));
1467	<	h = f.thenCombineAsync(g, subtract);
1468	<	checkCompletedWithWrappedCancellationException(h);
1469	<	}
1463	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1464	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1465	>	assertTrue(f.complete(v1));
1466	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1467	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1468	>
1469	>	checkCompletedWithWrappedCFException(h0);
1470	>	checkCompletedWithWrappedCFException(h1);
1471	>	checkCompletedWithWrappedCFException(h2);
1472	>	checkCompletedWithWrappedCFException(h3);
1473	>	checkCompletedNormally(f, v1);
1474	>	}}
1475
1476		/**
1477	<	* thenAcceptBothAsync result completes normally after normal
1788	<	* completion of sources
1477	>	* thenAccept result completes normally after normal completion of source
1478		*/
1479	<	public void testThenAcceptBothAsync() {
1480	<	CompletableFuture<Integer> f, g;
1481	<	CompletableFuture<Void> h;
1482	<	SubtractAction r;
1483	<
1484	<	f = new CompletableFuture<>();
1485	<	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);
1479	>	public void testThenAccept_normalCompletion() {
1480	>	for (ExecutionMode m : ExecutionMode.values())
1481	>	for (Integer v1 : new Integer[] { 1, null })
1482	>	{
1483	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1484	>	final NoopConsumer[] rs = new NoopConsumer[4];
1485	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1486
1487	<	f = new CompletableFuture<>();
1488	<	g = new CompletableFuture<>();
1489	<	g.complete(1);
1490	<	f.complete(3);
1491	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1492	<	checkCompletedNormally(h, null);
1493	<	assertEquals(r.value, 2);
1494	<	}
1487	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1488	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1489	>	checkIncomplete(h0);
1490	>	checkIncomplete(h1);
1491	>	assertTrue(f.complete(v1));
1492	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1493	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1494	>
1495	>	checkCompletedNormally(h0, null);
1496	>	checkCompletedNormally(h1, null);
1497	>	checkCompletedNormally(h2, null);
1498	>	checkCompletedNormally(h3, null);
1499	>	checkCompletedNormally(f, v1);
1500	>	for (NoopConsumer r : rs) r.assertValue(v1);
1501	>	}}
1502
1503		/**
1504	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1504	>	* thenAccept result completes exceptionally after exceptional
1505		* completion of source
1506		*/
1507	<	public void testThenAcceptBothAsync2() {
1508	<	CompletableFuture<Integer> f, g;
1509	<	CompletableFuture<Void> h;
1510	<	SubtractAction r;
1511	<
1512	<	f = new CompletableFuture<>();
1513	<	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);
1507	>	public void testThenAccept_exceptionalCompletion() {
1508	>	for (ExecutionMode m : ExecutionMode.values())
1509	>	{
1510	>	final CFException ex = new CFException();
1511	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1512	>	final NoopConsumer[] rs = new NoopConsumer[4];
1513	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1514
1515	<	f = new CompletableFuture<>();
1516	<	g = new CompletableFuture<>();
1517	<	f.complete(3);
1518	<	g.complete(1);
1519	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1520	<	checkCompletedWithWrappedCFException(h);
1521	<	}
1515	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1516	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1517	>	assertTrue(f.completeExceptionally(ex));
1518	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1519	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1520	>
1521	>	checkCompletedWithWrappedException(h0, ex);
1522	>	checkCompletedWithWrappedException(h1, ex);
1523	>	checkCompletedWithWrappedException(h2, ex);
1524	>	checkCompletedWithWrappedException(h3, ex);
1525	>	checkCompletedExceptionally(f, ex);
1526	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1527	>	}}
1528
1529		/**
1530	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
1530	>	* thenAccept result completes exceptionally if source cancelled
1531		*/
1532	<	public void testThenAcceptBothAsync4() {
1533	<	CompletableFuture<Integer> f, g;
1534	<	CompletableFuture<Void> h;
1535	<	SubtractAction r;
1536	<
1537	<	f = new CompletableFuture<>();
1538	<	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);
1532	>	public void testThenAccept_sourceCancelled() {
1533	>	for (ExecutionMode m : ExecutionMode.values())
1534	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1535	>	{
1536	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1537	>	final NoopConsumer[] rs = new NoopConsumer[4];
1538	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1539
1540	<	f = new CompletableFuture<>();
1541	<	g = new CompletableFuture<>();
1542	<	assertTrue(f.cancel(true));
1543	<	g.complete(3);
1544	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1922	<	checkCompletedWithWrappedCancellationException(h);
1923	<	}
1540	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1541	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1542	>	assertTrue(f.cancel(mayInterruptIfRunning));
1543	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1544	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1545
1546	<	/**
1547	<	* runAfterBothAsync result completes normally after normal
1548	<	* completion of sources
1549	<	*/
1550	<	public void testRunAfterBothAsync() {
1551	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1552	<	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	<	}
1546	>	checkCompletedWithWrappedCancellationException(h0);
1547	>	checkCompletedWithWrappedCancellationException(h1);
1548	>	checkCompletedWithWrappedCancellationException(h2);
1549	>	checkCompletedWithWrappedCancellationException(h3);
1550	>	checkCancelled(f);
1551	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1552	>	}}
1553
1554		/**
1555	<	* runAfterBothAsync result completes exceptionally after exceptional
1943	<	* completion of source
1555	>	* thenAccept result completes exceptionally if action does
1556		*/
1557	<	public void testRunAfterBothAsync2() {
1558	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1559	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1560	<	Noop r = new Noop();
1561	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1562	<	f.completeExceptionally(new CFException());
1563	<	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	<	}
1557	>	public void testThenAccept_actionFailed() {
1558	>	for (ExecutionMode m : ExecutionMode.values())
1559	>	for (Integer v1 : new Integer[] { 1, null })
1560	>	{
1561	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1562	>	final FailingConsumer[] rs = new FailingConsumer[4];
1563	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1564
1565	<	/**
1566	<	* runAfterBothAsync result completes exceptionally if action does
1567	<	*/
1568	<	public void testRunAfterBothAsync3() {
1569	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1570	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1571	<	FailingNoop r = new FailingNoop();
1572	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1573	<	f.complete(one);
1574	<	checkIncomplete(g);
1575	<	f2.complete(two);
1576	<	checkCompletedWithWrappedCFException(g);
1975	<	}
1565	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1566	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1567	>	assertTrue(f.complete(v1));
1568	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1569	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1570	>
1571	>	checkCompletedWithWrappedCFException(h0);
1572	>	checkCompletedWithWrappedCFException(h1);
1573	>	checkCompletedWithWrappedCFException(h2);
1574	>	checkCompletedWithWrappedCFException(h3);
1575	>	checkCompletedNormally(f, v1);
1576	>	}}
1577
1578		/**
1579	<	* runAfterBothAsync result completes exceptionally if either source cancelled
1579	>	* thenCombine result completes normally after normal completion
1580	>	* of sources
1581		*/
1582	<	public void testRunAfterBothAsync4() {
1583	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1584	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1585	<	Noop r = new Noop();
1586	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1587	<	assertTrue(f.cancel(true));
1588	<	f2.complete(two);
1589	<	checkCompletedWithWrappedCancellationException(g);
1590	<
1591	<	r = new Noop();
1990	<	f = new CompletableFuture<>();
1991	<	f2 = new CompletableFuture<>();
1992	<	g = f.runAfterBothAsync(f2, r);
1993	<	f.complete(one);
1994	<	assertTrue(f2.cancel(true));
1995	<	checkCompletedWithWrappedCancellationException(g);
1996	<	}
1582	>	public void testThenCombine_normalCompletion() {
1583	>	for (ExecutionMode m : ExecutionMode.values())
1584	>	for (boolean fFirst : new boolean[] { true, false })
1585	>	for (Integer v1 : new Integer[] { 1, null })
1586	>	for (Integer v2 : new Integer[] { 2, null })
1587	>	{
1588	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1589	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1590	>	final SubtractFunction[] rs = new SubtractFunction[6];
1591	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1592
1593	<	/**
1594	<	* applyToEitherAsync result completes normally after normal
1595	<	* completion of sources
1596	<	*/
1597	<	public void testApplyToEitherAsync() {
1598	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1599	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1600	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1601	<	f.complete(one);
1602	<	checkCompletedNormally(g, two);
1593	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1594	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1595	>	final Integer w1 =  fFirst ? v1 : v2;
1596	>	final Integer w2 = !fFirst ? v1 : v2;
1597	>
1598	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1599	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1600	>	assertTrue(fst.complete(w1));
1601	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1602	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1603	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1604	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1605	>	checkCompletedNormally(h1, subtract(w1, w1));
1606	>	checkCompletedNormally(h3, subtract(w1, w1));
1607	>	rs[1].assertValue(subtract(w1, w1));
1608	>	rs[3].assertValue(subtract(w1, w1));
1609	>	assertTrue(snd.complete(w2));
1610	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1611	>
1612	>	checkCompletedNormally(h0, subtract(v1, v2));
1613	>	checkCompletedNormally(h2, subtract(v1, v2));
1614	>	checkCompletedNormally(h4, subtract(v1, v2));
1615	>	rs[0].assertValue(subtract(v1, v2));
1616	>	rs[2].assertValue(subtract(v1, v2));
1617	>	rs[4].assertValue(subtract(v1, v2));
1618
1619	<	f = new CompletableFuture<>();
1620	<	f.complete(one);
1621	<	f2 = new CompletableFuture<>();
2012	<	g = f.applyToEitherAsync(f2, inc);
2013	<	checkCompletedNormally(g, two);
2014	<	}
1619	>	checkCompletedNormally(f, v1);
1620	>	checkCompletedNormally(g, v2);
1621	>	}}
1622
1623		/**
1624	<	* applyToEitherAsync result completes exceptionally after exceptional
1625	<	* completion of source
1624	>	* thenCombine result completes exceptionally after exceptional
1625	>	* completion of either source
1626		*/
1627	<	public void testApplyToEitherAsync2() {
1628	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1629	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1630	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1631	<	f.completeExceptionally(new CFException());
1632	<	checkCompletedWithWrappedCFException(g);
1633	<
1634	<	f = new CompletableFuture<>();
1635	<	f2 = new CompletableFuture<>();
1636	<	f2.completeExceptionally(new CFException());
1637	<	g = f.applyToEitherAsync(f2, inc);
1638	<	f.complete(one);
1639	<	checkCompletedWithWrappedCFException(g);
1640	<	}
1627	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1628	>	for (ExecutionMode m : ExecutionMode.values())
1629	>	for (boolean fFirst : new boolean[] { true, false })
1630	>	for (boolean failFirst : new boolean[] { true, false })
1631	>	for (Integer v1 : new Integer[] { 1, null })
1632	>	{
1633	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1634	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1635	>	final CFException ex = new CFException();
1636	>	final SubtractFunction r1 = new SubtractFunction(m);
1637	>	final SubtractFunction r2 = new SubtractFunction(m);
1638	>	final SubtractFunction r3 = new SubtractFunction(m);
1639	>
1640	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1641	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1642	>	final Callable<Boolean> complete1 = failFirst ?
1643	>	() -> fst.completeExceptionally(ex) :
1644	>	() -> fst.complete(v1);
1645	>	final Callable<Boolean> complete2 = failFirst ?
1646	>	() -> snd.complete(v1) :
1647	>	() -> snd.completeExceptionally(ex);
1648	>
1649	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1650	>	assertTrue(complete1.call());
1651	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1652	>	checkIncomplete(h1);
1653	>	checkIncomplete(h2);
1654	>	assertTrue(complete2.call());
1655	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1656	>
1657	>	checkCompletedWithWrappedException(h1, ex);
1658	>	checkCompletedWithWrappedException(h2, ex);
1659	>	checkCompletedWithWrappedException(h3, ex);
1660	>	r1.assertNotInvoked();
1661	>	r2.assertNotInvoked();
1662	>	r3.assertNotInvoked();
1663	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1664	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1665	>	}}
1666
1667		/**
1668	<	* applyToEitherAsync result completes exceptionally if action does
1668	>	* thenCombine result completes exceptionally if either source cancelled
1669		*/
1670	<	public void testApplyToEitherAsync3() {
1671	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1672	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1673	<	FailingFunction r = new FailingFunction();
1674	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1675	<	f.complete(one);
1676	<	checkCompletedWithWrappedCFException(g);
1677	<	}
1670	>	public void testThenCombine_sourceCancelled() throws Throwable {
1671	>	for (ExecutionMode m : ExecutionMode.values())
1672	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1673	>	for (boolean fFirst : new boolean[] { true, false })
1674	>	for (boolean failFirst : new boolean[] { true, false })
1675	>	for (Integer v1 : new Integer[] { 1, null })
1676	>	{
1677	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1678	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1679	>	final SubtractFunction r1 = new SubtractFunction(m);
1680	>	final SubtractFunction r2 = new SubtractFunction(m);
1681	>	final SubtractFunction r3 = new SubtractFunction(m);
1682	>
1683	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1684	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1685	>	final Callable<Boolean> complete1 = failFirst ?
1686	>	() -> fst.cancel(mayInterruptIfRunning) :
1687	>	() -> fst.complete(v1);
1688	>	final Callable<Boolean> complete2 = failFirst ?
1689	>	() -> snd.complete(v1) :
1690	>	() -> snd.cancel(mayInterruptIfRunning);
1691	>
1692	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1693	>	assertTrue(complete1.call());
1694	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1695	>	checkIncomplete(h1);
1696	>	checkIncomplete(h2);
1697	>	assertTrue(complete2.call());
1698	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1699	>
1700	>	checkCompletedWithWrappedCancellationException(h1);
1701	>	checkCompletedWithWrappedCancellationException(h2);
1702	>	checkCompletedWithWrappedCancellationException(h3);
1703	>	r1.assertNotInvoked();
1704	>	r2.assertNotInvoked();
1705	>	r3.assertNotInvoked();
1706	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1707	>	checkCancelled(failFirst ? fst : snd);
1708	>	}}
1709
1710		/**
1711	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1711	>	* thenCombine result completes exceptionally if action does
1712		*/
1713	<	public void testApplyToEitherAsync4() {
1714	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1715	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1716	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1717	<	assertTrue(f.cancel(true));
1718	<	checkCompletedWithWrappedCancellationException(g);
1719	<
1720	<	f = new CompletableFuture<>();
1721	<	f2 = new CompletableFuture<>();
1722	<	assertTrue(f2.cancel(true));
1723	<	g = f.applyToEitherAsync(f2, inc);
1724	<	checkCompletedWithWrappedCancellationException(g);
1725	<	}
1713	>	public void testThenCombine_actionFailed() {
1714	>	for (ExecutionMode m : ExecutionMode.values())
1715	>	for (boolean fFirst : new boolean[] { true, false })
1716	>	for (Integer v1 : new Integer[] { 1, null })
1717	>	for (Integer v2 : new Integer[] { 2, null })
1718	>	{
1719	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1720	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1721	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1722	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1723	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1724	>
1725	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1726	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1727	>	final Integer w1 =  fFirst ? v1 : v2;
1728	>	final Integer w2 = !fFirst ? v1 : v2;
1729	>
1730	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1731	>	assertTrue(fst.complete(w1));
1732	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1733	>	assertTrue(snd.complete(w2));
1734	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1735	>
1736	>	checkCompletedWithWrappedCFException(h1);
1737	>	checkCompletedWithWrappedCFException(h2);
1738	>	checkCompletedWithWrappedCFException(h3);
1739	>	r1.assertInvoked();
1740	>	r2.assertInvoked();
1741	>	r3.assertInvoked();
1742	>	checkCompletedNormally(f, v1);
1743	>	checkCompletedNormally(g, v2);
1744	>	}}
1745
1746		/**
1747	<	* acceptEitherAsync result completes normally after normal
1747	>	* thenAcceptBoth result completes normally after normal
1748		* completion of sources
1749		*/
1750	<	public void testAcceptEitherAsync() {
1751	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1752	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1753	<	IncAction r = new IncAction();
1754	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1755	<	f.complete(one);
1756	<	checkCompletedNormally(g, null);
1757	<	assertEquals(r.value, 2);
1758	<
1759	<	r = new IncAction();
1760	<	f = new CompletableFuture<>();
1761	<	f.complete(one);
1762	<	f2 = new CompletableFuture<>();
1763	<	g = f.acceptEitherAsync(f2, r);
1764	<	checkCompletedNormally(g, null);
1765	<	assertEquals(r.value, 2);
1766	<	}
1750	>	public void testThenAcceptBoth_normalCompletion() {
1751	>	for (ExecutionMode m : ExecutionMode.values())
1752	>	for (boolean fFirst : new boolean[] { true, false })
1753	>	for (Integer v1 : new Integer[] { 1, null })
1754	>	for (Integer v2 : new Integer[] { 2, null })
1755	>	{
1756	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1757	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1758	>	final SubtractAction r1 = new SubtractAction(m);
1759	>	final SubtractAction r2 = new SubtractAction(m);
1760	>	final SubtractAction r3 = new SubtractAction(m);
1761	>
1762	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1763	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1764	>	final Integer w1 =  fFirst ? v1 : v2;
1765	>	final Integer w2 = !fFirst ? v1 : v2;
1766	>
1767	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1768	>	assertTrue(fst.complete(w1));
1769	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1770	>	checkIncomplete(h1);
1771	>	checkIncomplete(h2);
1772	>	r1.assertNotInvoked();
1773	>	r2.assertNotInvoked();
1774	>	assertTrue(snd.complete(w2));
1775	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1776	>
1777	>	checkCompletedNormally(h1, null);
1778	>	checkCompletedNormally(h2, null);
1779	>	checkCompletedNormally(h3, null);
1780	>	r1.assertValue(subtract(v1, v2));
1781	>	r2.assertValue(subtract(v1, v2));
1782	>	r3.assertValue(subtract(v1, v2));
1783	>	checkCompletedNormally(f, v1);
1784	>	checkCompletedNormally(g, v2);
1785	>	}}
1786
1787		/**
1788	<	* acceptEitherAsync result completes exceptionally after exceptional
1789	<	* completion of source
1788	>	* thenAcceptBoth result completes exceptionally after exceptional
1789	>	* completion of either source
1790		*/
1791	<	public void testAcceptEitherAsync2() {
1792	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1793	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1794	<	IncAction r = new IncAction();
1795	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1796	<	f.completeExceptionally(new CFException());
1797	<	checkCompletedWithWrappedCFException(g);
1798	<
1799	<	r = new IncAction();
1800	<	f = new CompletableFuture<>();
1801	<	f2 = new CompletableFuture<>();
1802	<	f2.completeExceptionally(new CFException());
1803	<	g = f.acceptEitherAsync(f2, r);
1804	<	f.complete(one);
1805	<	checkCompletedWithWrappedCFException(g);
1806	<	}
1791	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1792	>	for (ExecutionMode m : ExecutionMode.values())
1793	>	for (boolean fFirst : new boolean[] { true, false })
1794	>	for (boolean failFirst : new boolean[] { true, false })
1795	>	for (Integer v1 : new Integer[] { 1, null })
1796	>	{
1797	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1798	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1799	>	final CFException ex = new CFException();
1800	>	final SubtractAction r1 = new SubtractAction(m);
1801	>	final SubtractAction r2 = new SubtractAction(m);
1802	>	final SubtractAction r3 = new SubtractAction(m);
1803	>
1804	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1805	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1806	>	final Callable<Boolean> complete1 = failFirst ?
1807	>	() -> fst.completeExceptionally(ex) :
1808	>	() -> fst.complete(v1);
1809	>	final Callable<Boolean> complete2 = failFirst ?
1810	>	() -> snd.complete(v1) :
1811	>	() -> snd.completeExceptionally(ex);
1812	>
1813	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1814	>	assertTrue(complete1.call());
1815	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1816	>	checkIncomplete(h1);
1817	>	checkIncomplete(h2);
1818	>	assertTrue(complete2.call());
1819	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1820	>
1821	>	checkCompletedWithWrappedException(h1, ex);
1822	>	checkCompletedWithWrappedException(h2, ex);
1823	>	checkCompletedWithWrappedException(h3, ex);
1824	>	r1.assertNotInvoked();
1825	>	r2.assertNotInvoked();
1826	>	r3.assertNotInvoked();
1827	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1828	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1829	>	}}
1830
1831		/**
1832	<	* acceptEitherAsync result completes exceptionally if action does
1832	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1833		*/
1834	<	public void testAcceptEitherAsync3() {
1835	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1836	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1837	<	FailingConsumer r = new FailingConsumer();
1838	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1839	<	f.complete(one);
1840	<	checkCompletedWithWrappedCFException(g);
1841	<	}
1834	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1835	>	for (ExecutionMode m : ExecutionMode.values())
1836	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1837	>	for (boolean fFirst : new boolean[] { true, false })
1838	>	for (boolean failFirst : new boolean[] { true, false })
1839	>	for (Integer v1 : new Integer[] { 1, null })
1840	>	{
1841	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1842	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1843	>	final SubtractAction r1 = new SubtractAction(m);
1844	>	final SubtractAction r2 = new SubtractAction(m);
1845	>	final SubtractAction r3 = new SubtractAction(m);
1846	>
1847	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1848	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1849	>	final Callable<Boolean> complete1 = failFirst ?
1850	>	() -> fst.cancel(mayInterruptIfRunning) :
1851	>	() -> fst.complete(v1);
1852	>	final Callable<Boolean> complete2 = failFirst ?
1853	>	() -> snd.complete(v1) :
1854	>	() -> snd.cancel(mayInterruptIfRunning);
1855	>
1856	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1857	>	assertTrue(complete1.call());
1858	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1859	>	checkIncomplete(h1);
1860	>	checkIncomplete(h2);
1861	>	assertTrue(complete2.call());
1862	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1863	>
1864	>	checkCompletedWithWrappedCancellationException(h1);
1865	>	checkCompletedWithWrappedCancellationException(h2);
1866	>	checkCompletedWithWrappedCancellationException(h3);
1867	>	r1.assertNotInvoked();
1868	>	r2.assertNotInvoked();
1869	>	r3.assertNotInvoked();
1870	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1871	>	checkCancelled(failFirst ? fst : snd);
1872	>	}}
1873
1874		/**
1875	<	* acceptEitherAsync result completes exceptionally if either
2121	<	* source cancelled
1875	>	* thenAcceptBoth result completes exceptionally if action does
1876		*/
1877	<	public void testAcceptEitherAsync4() {
1878	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1879	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1880	<	IncAction r = new IncAction();
1881	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1882	<	assertTrue(f.cancel(true));
1883	<	checkCompletedWithWrappedCancellationException(g);
1884	<
1885	<	r = new IncAction();
1886	<	f = new CompletableFuture<>();
1887	<	f2 = new CompletableFuture<>();
1888	<	assertTrue(f2.cancel(true));
1889	<	g = f.acceptEitherAsync(f2, r);
1890	<	checkCompletedWithWrappedCancellationException(g);
1891	<	}
1877	>	public void testThenAcceptBoth_actionFailed() {
1878	>	for (ExecutionMode m : ExecutionMode.values())
1879	>	for (boolean fFirst : new boolean[] { true, false })
1880	>	for (Integer v1 : new Integer[] { 1, null })
1881	>	for (Integer v2 : new Integer[] { 2, null })
1882	>	{
1883	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1884	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1885	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1886	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1887	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1888	>
1889	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1890	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1891	>	final Integer w1 =  fFirst ? v1 : v2;
1892	>	final Integer w2 = !fFirst ? v1 : v2;
1893	>
1894	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1895	>	assertTrue(fst.complete(w1));
1896	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1897	>	assertTrue(snd.complete(w2));
1898	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1899	>
1900	>	checkCompletedWithWrappedCFException(h1);
1901	>	checkCompletedWithWrappedCFException(h2);
1902	>	checkCompletedWithWrappedCFException(h3);
1903	>	r1.assertInvoked();
1904	>	r2.assertInvoked();
1905	>	r3.assertInvoked();
1906	>	checkCompletedNormally(f, v1);
1907	>	checkCompletedNormally(g, v2);
1908	>	}}
1909
1910		/**
1911	<	* runAfterEitherAsync result completes normally after normal
1911	>	* runAfterBoth result completes normally after normal
1912		* completion of sources
1913		*/
1914	<	public void testRunAfterEitherAsync() {
1915	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1916	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1917	<	Noop r = new Noop();
1918	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1919	<	f.complete(one);
1920	<	checkCompletedNormally(g, null);
1921	<	assertTrue(r.ran);
1922	<
1923	<	r = new Noop();
1924	<	f = new CompletableFuture<>();
1925	<	f.complete(one);
1926	<	f2 = new CompletableFuture<>();
1927	<	g = f.runAfterEitherAsync(f2, r);
1928	<	checkCompletedNormally(g, null);
1929	<	assertTrue(r.ran);
1930	<	}
1914	>	public void testRunAfterBoth_normalCompletion() {
1915	>	for (ExecutionMode m : ExecutionMode.values())
1916	>	for (boolean fFirst : new boolean[] { true, false })
1917	>	for (Integer v1 : new Integer[] { 1, null })
1918	>	for (Integer v2 : new Integer[] { 2, null })
1919	>	{
1920	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1921	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1922	>	final Noop r1 = new Noop(m);
1923	>	final Noop r2 = new Noop(m);
1924	>	final Noop r3 = new Noop(m);
1925	>
1926	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1927	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1928	>	final Integer w1 =  fFirst ? v1 : v2;
1929	>	final Integer w2 = !fFirst ? v1 : v2;
1930	>
1931	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1932	>	assertTrue(fst.complete(w1));
1933	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1934	>	checkIncomplete(h1);
1935	>	checkIncomplete(h2);
1936	>	r1.assertNotInvoked();
1937	>	r2.assertNotInvoked();
1938	>	assertTrue(snd.complete(w2));
1939	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1940	>
1941	>	checkCompletedNormally(h1, null);
1942	>	checkCompletedNormally(h2, null);
1943	>	checkCompletedNormally(h3, null);
1944	>	r1.assertInvoked();
1945	>	r2.assertInvoked();
1946	>	r3.assertInvoked();
1947	>	checkCompletedNormally(f, v1);
1948	>	checkCompletedNormally(g, v2);
1949	>	}}
1950
1951		/**
1952	<	* runAfterEitherAsync result completes exceptionally after exceptional
1953	<	* completion of source
1952	>	* runAfterBoth result completes exceptionally after exceptional
1953	>	* completion of either source
1954		*/
1955	<	public void testRunAfterEitherAsync2() {
1956	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1957	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1958	<	Noop r = new Noop();
1959	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1960	<	f.completeExceptionally(new CFException());
1961	<	checkCompletedWithWrappedCFException(g);
1962	<
1963	<	r = new Noop();
1964	<	f = new CompletableFuture<>();
1965	<	f2 = new CompletableFuture<>();
1966	<	f2.completeExceptionally(new CFException());
1967	<	g = f.runAfterEitherAsync(f2, r);
1968	<	f.complete(one);
1969	<	checkCompletedWithWrappedCFException(g);
1970	<	}
1955	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1956	>	for (ExecutionMode m : ExecutionMode.values())
1957	>	for (boolean fFirst : new boolean[] { true, false })
1958	>	for (boolean failFirst : new boolean[] { true, false })
1959	>	for (Integer v1 : new Integer[] { 1, null })
1960	>	{
1961	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1962	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1963	>	final CFException ex = new CFException();
1964	>	final Noop r1 = new Noop(m);
1965	>	final Noop r2 = new Noop(m);
1966	>	final Noop r3 = new Noop(m);
1967	>
1968	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1969	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1970	>	final Callable<Boolean> complete1 = failFirst ?
1971	>	() -> fst.completeExceptionally(ex) :
1972	>	() -> fst.complete(v1);
1973	>	final Callable<Boolean> complete2 = failFirst ?
1974	>	() -> snd.complete(v1) :
1975	>	() -> snd.completeExceptionally(ex);
1976	>
1977	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1978	>	assertTrue(complete1.call());
1979	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1980	>	checkIncomplete(h1);
1981	>	checkIncomplete(h2);
1982	>	assertTrue(complete2.call());
1983	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1984	>
1985	>	checkCompletedWithWrappedException(h1, ex);
1986	>	checkCompletedWithWrappedException(h2, ex);
1987	>	checkCompletedWithWrappedException(h3, ex);
1988	>	r1.assertNotInvoked();
1989	>	r2.assertNotInvoked();
1990	>	r3.assertNotInvoked();
1991	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1992	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1993	>	}}
1994
1995		/**
1996	<	* runAfterEitherAsync result completes exceptionally if action does
1996	>	* runAfterBoth result completes exceptionally if either source cancelled
1997		*/
1998	<	public void testRunAfterEitherAsync3() {
1999	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2000	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2001	<	FailingNoop r = new FailingNoop();
2002	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2003	<	f.complete(one);
2004	<	checkCompletedWithWrappedCFException(g);
2005	<	}
1998	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
1999	>	for (ExecutionMode m : ExecutionMode.values())
2000	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2001	>	for (boolean fFirst : new boolean[] { true, false })
2002	>	for (boolean failFirst : new boolean[] { true, false })
2003	>	for (Integer v1 : new Integer[] { 1, null })
2004	>	{
2005	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2006	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2007	>	final Noop r1 = new Noop(m);
2008	>	final Noop r2 = new Noop(m);
2009	>	final Noop r3 = new Noop(m);
2010	>
2011	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2012	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2013	>	final Callable<Boolean> complete1 = failFirst ?
2014	>	() -> fst.cancel(mayInterruptIfRunning) :
2015	>	() -> fst.complete(v1);
2016	>	final Callable<Boolean> complete2 = failFirst ?
2017	>	() -> snd.complete(v1) :
2018	>	() -> snd.cancel(mayInterruptIfRunning);
2019	>
2020	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2021	>	assertTrue(complete1.call());
2022	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2023	>	checkIncomplete(h1);
2024	>	checkIncomplete(h2);
2025	>	assertTrue(complete2.call());
2026	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2027	>
2028	>	checkCompletedWithWrappedCancellationException(h1);
2029	>	checkCompletedWithWrappedCancellationException(h2);
2030	>	checkCompletedWithWrappedCancellationException(h3);
2031	>	r1.assertNotInvoked();
2032	>	r2.assertNotInvoked();
2033	>	r3.assertNotInvoked();
2034	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2035	>	checkCancelled(failFirst ? fst : snd);
2036	>	}}
2037
2038		/**
2039	<	* runAfterEitherAsync result completes exceptionally if either
2196	<	* source cancelled
2039	>	* runAfterBoth result completes exceptionally if action does
2040		*/
2041	<	public void testRunAfterEitherAsync4() {
2042	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2043	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2044	<	Noop r = new Noop();
2045	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2046	<	assertTrue(f.cancel(true));
2047	<	checkCompletedWithWrappedCancellationException(g);
2048	<
2049	<	r = new Noop();
2050	<	f = new CompletableFuture<>();
2051	<	f2 = new CompletableFuture<>();
2052	<	assertTrue(f2.cancel(true));
2053	<	g = f.runAfterEitherAsync(f2, r);
2054	<	checkCompletedWithWrappedCancellationException(g);
2055	<	}
2041	>	public void testRunAfterBoth_actionFailed() {
2042	>	for (ExecutionMode m : ExecutionMode.values())
2043	>	for (boolean fFirst : new boolean[] { true, false })
2044	>	for (Integer v1 : new Integer[] { 1, null })
2045	>	for (Integer v2 : new Integer[] { 2, null })
2046	>	{
2047	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2048	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2049	>	final FailingRunnable r1 = new FailingRunnable(m);
2050	>	final FailingRunnable r2 = new FailingRunnable(m);
2051	>	final FailingRunnable r3 = new FailingRunnable(m);
2052	>
2053	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2054	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2055	>	final Integer w1 =  fFirst ? v1 : v2;
2056	>	final Integer w2 = !fFirst ? v1 : v2;
2057	>
2058	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2059	>	assertTrue(fst.complete(w1));
2060	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2061	>	assertTrue(snd.complete(w2));
2062	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2063	>
2064	>	checkCompletedWithWrappedCFException(h1);
2065	>	checkCompletedWithWrappedCFException(h2);
2066	>	checkCompletedWithWrappedCFException(h3);
2067	>	r1.assertInvoked();
2068	>	r2.assertInvoked();
2069	>	r3.assertInvoked();
2070	>	checkCompletedNormally(f, v1);
2071	>	checkCompletedNormally(g, v2);
2072	>	}}
2073
2074		/**
2075	<	* thenComposeAsync result completes normally after normal
2076	<	* completion of source
2075	>	* applyToEither result completes normally after normal completion
2076	>	* of either source
2077		*/
2078	<	public void testThenComposeAsync() {
2079	<	CompletableFuture<Integer> f, g;
2080	<	CompletableFutureInc r;
2081	<
2082	<	f = new CompletableFuture<>();
2083	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2084	<	f.complete(one);
2085	<	checkCompletedNormally(g, two);
2086	<
2227	<	f = new CompletableFuture<>();
2228	<	f.complete(one);
2229	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2230	<	checkCompletedNormally(g, two);
2231	<	}
2078	>	public void testApplyToEither_normalCompletion() {
2079	>	for (ExecutionMode m : ExecutionMode.values())
2080	>	for (Integer v1 : new Integer[] { 1, null })
2081	>	for (Integer v2 : new Integer[] { 2, null })
2082	>	{
2083	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2084	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2085	>	final IncFunction[] rs = new IncFunction[6];
2086	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2087
2088	<	/**
2089	<	* thenComposeAsync result completes exceptionally after
2090	<	* exceptional completion of source
2091	<	*/
2092	<	public void testThenComposeAsync2() {
2093	<	CompletableFuture<Integer> f, g;
2094	<	CompletableFutureInc r;
2088	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2089	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2090	>	checkIncomplete(h0);
2091	>	checkIncomplete(h1);
2092	>	rs[0].assertNotInvoked();
2093	>	rs[1].assertNotInvoked();
2094	>	f.complete(v1);
2095	>	checkCompletedNormally(h0, inc(v1));
2096	>	checkCompletedNormally(h1, inc(v1));
2097	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2098	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2099	>	checkCompletedNormally(h2, inc(v1));
2100	>	checkCompletedNormally(h3, inc(v1));
2101	>	g.complete(v2);
2102
2103	<	f = new CompletableFuture<>();
2104	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2105	<	f.completeExceptionally(new CFException());
2106	<	checkCompletedWithWrappedCFException(g);
2107	<	assertFalse(r.ran);
2103	>	// unspecified behavior - both source completions available
2104	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2105	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2106	>	rs[4].assertValue(h4.join());
2107	>	rs[5].assertValue(h5.join());
2108	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2109	>	Objects.equals(inc(v2), h4.join()));
2110	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2111	>	Objects.equals(inc(v2), h5.join()));
2112
2113	<	f = new CompletableFuture<>();
2114	<	f.completeExceptionally(new CFException());
2115	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2116	<	checkCompletedWithWrappedCFException(g);
2117	<	assertFalse(r.ran);
2118	<	}
2113	>	checkCompletedNormally(f, v1);
2114	>	checkCompletedNormally(g, v2);
2115	>	checkCompletedNormally(h0, inc(v1));
2116	>	checkCompletedNormally(h1, inc(v1));
2117	>	checkCompletedNormally(h2, inc(v1));
2118	>	checkCompletedNormally(h3, inc(v1));
2119	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2120	>	}}
2121
2122		/**
2123	<	* thenComposeAsync result completes exceptionally if action does
2123	>	* applyToEither result completes exceptionally after exceptional
2124	>	* completion of either source
2125		*/
2126	<	public void testThenComposeAsync3() {
2127	<	CompletableFuture<Integer> f, g;
2128	<	FailingCompletableFutureFunction r;
2129	<
2130	<	f = new CompletableFuture<>();
2131	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2132	<	f.complete(one);
2133	<	checkCompletedWithWrappedCFException(g);
2126	>	public void testApplyToEither_exceptionalCompletion() {
2127	>	for (ExecutionMode m : ExecutionMode.values())
2128	>	for (Integer v1 : new Integer[] { 1, null })
2129	>	{
2130	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2131	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2132	>	final CFException ex = new CFException();
2133	>	final IncFunction[] rs = new IncFunction[6];
2134	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2135
2136	<	f = new CompletableFuture<>();
2137	<	f.complete(one);
2138	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2139	<	checkCompletedWithWrappedCFException(g);
2140	<	}
2136	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2137	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2138	>	checkIncomplete(h0);
2139	>	checkIncomplete(h1);
2140	>	rs[0].assertNotInvoked();
2141	>	rs[1].assertNotInvoked();
2142	>	f.completeExceptionally(ex);
2143	>	checkCompletedWithWrappedException(h0, ex);
2144	>	checkCompletedWithWrappedException(h1, ex);
2145	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2146	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2147	>	checkCompletedWithWrappedException(h2, ex);
2148	>	checkCompletedWithWrappedException(h3, ex);
2149	>	g.complete(v1);
2150
2151	<	/**
2152	<	* thenComposeAsync result completes exceptionally if source cancelled
2153	<	*/
2154	<	public void testThenComposeAsync4() {
2155	<	CompletableFuture<Integer> f, g;
2156	<	CompletableFutureInc r;
2151	>	// unspecified behavior - both source completions available
2152	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2153	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2154	>	try {
2155	>	assertEquals(inc(v1), h4.join());
2156	>	rs[4].assertValue(inc(v1));
2157	>	} catch (CompletionException ok) {
2158	>	checkCompletedWithWrappedException(h4, ex);
2159	>	rs[4].assertNotInvoked();
2160	>	}
2161	>	try {
2162	>	assertEquals(inc(v1), h5.join());
2163	>	rs[5].assertValue(inc(v1));
2164	>	} catch (CompletionException ok) {
2165	>	checkCompletedWithWrappedException(h5, ex);
2166	>	rs[5].assertNotInvoked();
2167	>	}
2168
2169	<	f = new CompletableFuture<>();
2170	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2171	<	assertTrue(f.cancel(true));
2172	<	checkCompletedWithWrappedCancellationException(g);
2169	>	checkCompletedExceptionally(f, ex);
2170	>	checkCompletedNormally(g, v1);
2171	>	checkCompletedWithWrappedException(h0, ex);
2172	>	checkCompletedWithWrappedException(h1, ex);
2173	>	checkCompletedWithWrappedException(h2, ex);
2174	>	checkCompletedWithWrappedException(h3, ex);
2175	>	checkCompletedWithWrappedException(h4, ex);
2176	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2177	>	}}
2178	>
2179	>	public void testApplyToEither_exceptionalCompletion2() {
2180	>	for (ExecutionMode m : ExecutionMode.values())
2181	>	for (boolean fFirst : new boolean[] { true, false })
2182	>	for (Integer v1 : new Integer[] { 1, null })
2183	>	{
2184	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2185	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2186	>	final CFException ex = new CFException();
2187	>	final IncFunction[] rs = new IncFunction[6];
2188	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2189
2190	<	f = new CompletableFuture<>();
2191	<	assertTrue(f.cancel(true));
2192	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2193	<	checkCompletedWithWrappedCancellationException(g);
2194	<	}
2190	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2191	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2192	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2193	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2194	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2195	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2196	>
2197	>	// unspecified behavior - both source completions available
2198	>	try {
2199	>	assertEquals(inc(v1), h0.join());
2200	>	rs[0].assertValue(inc(v1));
2201	>	} catch (CompletionException ok) {
2202	>	checkCompletedWithWrappedException(h0, ex);
2203	>	rs[0].assertNotInvoked();
2204	>	}
2205	>	try {
2206	>	assertEquals(inc(v1), h1.join());
2207	>	rs[1].assertValue(inc(v1));
2208	>	} catch (CompletionException ok) {
2209	>	checkCompletedWithWrappedException(h1, ex);
2210	>	rs[1].assertNotInvoked();
2211	>	}
2212	>	try {
2213	>	assertEquals(inc(v1), h2.join());
2214	>	rs[2].assertValue(inc(v1));
2215	>	} catch (CompletionException ok) {
2216	>	checkCompletedWithWrappedException(h2, ex);
2217	>	rs[2].assertNotInvoked();
2218	>	}
2219	>	try {
2220	>	assertEquals(inc(v1), h3.join());
2221	>	rs[3].assertValue(inc(v1));
2222	>	} catch (CompletionException ok) {
2223	>	checkCompletedWithWrappedException(h3, ex);
2224	>	rs[3].assertNotInvoked();
2225	>	}
2226
2227	<	// async with explicit executors
2227	>	checkCompletedNormally(f, v1);
2228	>	checkCompletedExceptionally(g, ex);
2229	>	}}
2230
2231		/**
2232	<	* thenRunAsync result completes normally after normal completion of source
2232	>	* applyToEither result completes exceptionally if either source cancelled
2233		*/
2234	<	public void testThenRunAsyncE() {
2235	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2236	<	Noop r = new Noop();
2237	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2238	<	f.complete(null);
2239	<	checkCompletedNormally(g, null);
2240	<
2241	<	// reordered version
2242	<	f = new CompletableFuture<>();
2304	<	f.complete(null);
2305	<	r = new Noop();
2306	<	g = f.thenRunAsync(r, new ThreadExecutor());
2307	<	checkCompletedNormally(g, null);
2308	<	}
2234	>	public void testApplyToEither_sourceCancelled() {
2235	>	for (ExecutionMode m : ExecutionMode.values())
2236	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2237	>	for (Integer v1 : new Integer[] { 1, null })
2238	>	{
2239	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2240	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2241	>	final IncFunction[] rs = new IncFunction[6];
2242	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2243
2244	<	/**
2245	<	* thenRunAsync result completes exceptionally after exceptional
2246	<	* completion of source
2247	<	*/
2248	<	public void testThenRunAsync2E() {
2249	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2250	<	Noop r = new Noop();
2251	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2252	<	f.completeExceptionally(new CFException());
2253	<	try {
2254	<	g.join();
2255	<	shouldThrow();
2256	<	} catch (CompletionException success) {}
2257	<	checkCompletedWithWrappedCFException(g);
2324	<	}
2244	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2245	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2246	>	checkIncomplete(h0);
2247	>	checkIncomplete(h1);
2248	>	rs[0].assertNotInvoked();
2249	>	rs[1].assertNotInvoked();
2250	>	f.cancel(mayInterruptIfRunning);
2251	>	checkCompletedWithWrappedCancellationException(h0);
2252	>	checkCompletedWithWrappedCancellationException(h1);
2253	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2254	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2255	>	checkCompletedWithWrappedCancellationException(h2);
2256	>	checkCompletedWithWrappedCancellationException(h3);
2257	>	g.complete(v1);
2258
2259	<	/**
2260	<	* thenRunAsync result completes exceptionally if action does
2261	<	*/
2262	<	public void testThenRunAsync3E() {
2263	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2264	<	FailingNoop r = new FailingNoop();
2265	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2266	<	f.complete(null);
2267	<	checkCompletedWithWrappedCFException(g);
2268	<	}
2259	>	// unspecified behavior - both source completions available
2260	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2261	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2262	>	try {
2263	>	assertEquals(inc(v1), h4.join());
2264	>	rs[4].assertValue(inc(v1));
2265	>	} catch (CompletionException ok) {
2266	>	checkCompletedWithWrappedCancellationException(h4);
2267	>	rs[4].assertNotInvoked();
2268	>	}
2269	>	try {
2270	>	assertEquals(inc(v1), h5.join());
2271	>	rs[5].assertValue(inc(v1));
2272	>	} catch (CompletionException ok) {
2273	>	checkCompletedWithWrappedCancellationException(h5);
2274	>	rs[5].assertNotInvoked();
2275	>	}
2276
2277	<	/**
2278	<	* thenRunAsync result completes exceptionally if source cancelled
2279	<	*/
2280	<	public void testThenRunAsync4E() {
2281	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2282	<	Noop r = new Noop();
2283	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2284	<	assertTrue(f.cancel(true));
2345	<	checkCompletedWithWrappedCancellationException(g);
2346	<	}
2277	>	checkCancelled(f);
2278	>	checkCompletedNormally(g, v1);
2279	>	checkCompletedWithWrappedCancellationException(h0);
2280	>	checkCompletedWithWrappedCancellationException(h1);
2281	>	checkCompletedWithWrappedCancellationException(h2);
2282	>	checkCompletedWithWrappedCancellationException(h3);
2283	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2284	>	}}
2285
2286	<	/**
2287	<	* thenApplyAsync result completes normally after normal completion of source
2288	<	*/
2289	<	public void testThenApplyAsyncE() {
2290	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2291	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2292	<	f.complete(one);
2293	<	checkCompletedNormally(g, two);
2294	<	}
2286	>	public void testApplyToEither_sourceCancelled2() {
2287	>	for (ExecutionMode m : ExecutionMode.values())
2288	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2289	>	for (boolean fFirst : new boolean[] { true, false })
2290	>	for (Integer v1 : new Integer[] { 1, null })
2291	>	{
2292	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2293	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2294	>	final IncFunction[] rs = new IncFunction[6];
2295	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2296
2297	<	/**
2298	<	* thenApplyAsync result completes exceptionally after exceptional
2299	<	* completion of source
2300	<	*/
2301	<	public void testThenApplyAsync2E() {
2302	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2303	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2304	<	f.completeExceptionally(new CFException());
2305	<	checkCompletedWithWrappedCFException(g);
2306	<	}
2297	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2298	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2299	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2300	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2301	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2302	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2303	>
2304	>	// unspecified behavior - both source completions available
2305	>	try {
2306	>	assertEquals(inc(v1), h0.join());
2307	>	rs[0].assertValue(inc(v1));
2308	>	} catch (CompletionException ok) {
2309	>	checkCompletedWithWrappedCancellationException(h0);
2310	>	rs[0].assertNotInvoked();
2311	>	}
2312	>	try {
2313	>	assertEquals(inc(v1), h1.join());
2314	>	rs[1].assertValue(inc(v1));
2315	>	} catch (CompletionException ok) {
2316	>	checkCompletedWithWrappedCancellationException(h1);
2317	>	rs[1].assertNotInvoked();
2318	>	}
2319	>	try {
2320	>	assertEquals(inc(v1), h2.join());
2321	>	rs[2].assertValue(inc(v1));
2322	>	} catch (CompletionException ok) {
2323	>	checkCompletedWithWrappedCancellationException(h2);
2324	>	rs[2].assertNotInvoked();
2325	>	}
2326	>	try {
2327	>	assertEquals(inc(v1), h3.join());
2328	>	rs[3].assertValue(inc(v1));
2329	>	} catch (CompletionException ok) {
2330	>	checkCompletedWithWrappedCancellationException(h3);
2331	>	rs[3].assertNotInvoked();
2332	>	}
2333
2334	<	/**
2335	<	* thenApplyAsync result completes exceptionally if action does
2336	<	*/
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	<	}
2334	>	checkCompletedNormally(f, v1);
2335	>	checkCancelled(g);
2336	>	}}
2337
2338		/**
2339	<	* thenApplyAsync result completes exceptionally if source cancelled
2339	>	* applyToEither result completes exceptionally if action does
2340		*/
2341	<	public void testThenApplyAsync4E() {
2342	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2343	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2344	<	assertTrue(f.cancel(true));
2345	<	checkCompletedWithWrappedCancellationException(g);
2346	<	}
2341	>	public void testApplyToEither_actionFailed() {
2342	>	for (ExecutionMode m : ExecutionMode.values())
2343	>	for (Integer v1 : new Integer[] { 1, null })
2344	>	for (Integer v2 : new Integer[] { 2, null })
2345	>	{
2346	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2347	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2348	>	final FailingFunction[] rs = new FailingFunction[6];
2349	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2350
2351	<	/**
2352	<	* thenAcceptAsync result completes normally after normal
2353	<	* completion of source
2354	<	*/
2355	<	public void testThenAcceptAsyncE() {
2356	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2357	<	IncAction r = new IncAction();
2358	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2359	<	f.complete(one);
2360	<	checkCompletedNormally(g, null);
2400	<	assertEquals(r.value, 2);
2401	<	}
2351	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2352	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2353	>	f.complete(v1);
2354	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2355	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2356	>	checkCompletedWithWrappedCFException(h0);
2357	>	checkCompletedWithWrappedCFException(h1);
2358	>	checkCompletedWithWrappedCFException(h2);
2359	>	checkCompletedWithWrappedCFException(h3);
2360	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2361
2362	<	/**
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	<	}
2362	>	g.complete(v2);
2363
2364	<	/**
2365	<	* thenAcceptAsync result completes exceptionally if action does
2366	<	*/
2367	<	public void testThenAcceptAsync3E() {
2368	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2369	<	FailingConsumer r = new FailingConsumer();
2370	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2371	<	f.complete(null);
2372	<	checkCompletedWithWrappedCFException(g);
2373	<	}
2364	>	// unspecified behavior - both source completions available
2365	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2366	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2367	>
2368	>	checkCompletedWithWrappedCFException(h4);
2369	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2370	>	Objects.equals(v2, rs[4].value));
2371	>	checkCompletedWithWrappedCFException(h5);
2372	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2373	>	Objects.equals(v2, rs[5].value));
2374
2375	<	/**
2376	<	* thenAcceptAsync result completes exceptionally if source cancelled
2377	<	*/
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	<	}
2375	>	checkCompletedNormally(f, v1);
2376	>	checkCompletedNormally(g, v2);
2377	>	}}
2378
2379		/**
2380	<	* thenCombineAsync result completes normally after normal
2381	<	* completion of sources
2380	>	* acceptEither result completes normally after normal completion
2381	>	* of either source
2382		*/
2383	<	public void testThenCombineAsyncE() {
2384	<	CompletableFuture<Integer> f, g, h;
2385	<	ThreadExecutor e = new ThreadExecutor();
2386	<	int count = 0;
2383	>	public void testAcceptEither_normalCompletion() {
2384	>	for (ExecutionMode m : ExecutionMode.values())
2385	>	for (Integer v1 : new Integer[] { 1, null })
2386	>	for (Integer v2 : new Integer[] { 2, null })
2387	>	{
2388	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2389	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2390	>	final NoopConsumer[] rs = new NoopConsumer[6];
2391	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2392
2393	<	f = new CompletableFuture<>();
2394	<	g = new CompletableFuture<>();
2395	<	h = f.thenCombineAsync(g, subtract, e);
2396	<	f.complete(3);
2397	<	checkIncomplete(h);
2398	<	g.complete(1);
2399	<	checkCompletedNormally(h, 2);
2400	<	assertEquals(++count, e.count.get());
2393	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2394	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2395	>	checkIncomplete(h0);
2396	>	checkIncomplete(h1);
2397	>	rs[0].assertNotInvoked();
2398	>	rs[1].assertNotInvoked();
2399	>	f.complete(v1);
2400	>	checkCompletedNormally(h0, null);
2401	>	checkCompletedNormally(h1, null);
2402	>	rs[0].assertValue(v1);
2403	>	rs[1].assertValue(v1);
2404	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2405	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2406	>	checkCompletedNormally(h2, null);
2407	>	checkCompletedNormally(h3, null);
2408	>	rs[2].assertValue(v1);
2409	>	rs[3].assertValue(v1);
2410	>	g.complete(v2);
2411
2412	<	f = new CompletableFuture<>();
2413	<	g = new CompletableFuture<>();
2414	<	h = f.thenCombineAsync(g, subtract, e);
2415	<	g.complete(1);
2416	<	checkIncomplete(h);
2417	<	f.complete(3);
2418	<	checkCompletedNormally(h, 2);
2419	<	assertEquals(++count, e.count.get());
2412	>	// unspecified behavior - both source completions available
2413	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2414	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2415	>	checkCompletedNormally(h4, null);
2416	>	checkCompletedNormally(h5, null);
2417	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2418	>	Objects.equals(v2, rs[4].value));
2419	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2420	>	Objects.equals(v2, rs[5].value));
2421
2422	<	f = new CompletableFuture<>();
2423	<	g = new CompletableFuture<>();
2424	<	g.complete(1);
2425	<	f.complete(3);
2426	<	h = f.thenCombineAsync(g, subtract, e);
2427	<	checkCompletedNormally(h, 2);
2428	<	assertEquals(++count, e.count.get());
2429	<	}
2422	>	checkCompletedNormally(f, v1);
2423	>	checkCompletedNormally(g, v2);
2424	>	checkCompletedNormally(h0, null);
2425	>	checkCompletedNormally(h1, null);
2426	>	checkCompletedNormally(h2, null);
2427	>	checkCompletedNormally(h3, null);
2428	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2429	>	}}
2430
2431		/**
2432	<	* thenCombineAsync result completes exceptionally after exceptional
2432	>	* acceptEither result completes exceptionally after exceptional
2433		* completion of either source
2434		*/
2435	<	public void testThenCombineAsync2E() {
2436	<	CompletableFuture<Integer> f, g, h;
2437	<	ThreadExecutor e = new ThreadExecutor();
2438	<	int count = 0;
2439	<
2440	<	f = new CompletableFuture<>();
2441	<	g = new CompletableFuture<>();
2442	<	h = f.thenCombineAsync(g, subtract, e);
2443	<	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	<	}
2435	>	public void testAcceptEither_exceptionalCompletion() {
2436	>	for (ExecutionMode m : ExecutionMode.values())
2437	>	for (Integer v1 : new Integer[] { 1, null })
2438	>	{
2439	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2440	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2441	>	final CFException ex = new CFException();
2442	>	final NoopConsumer[] rs = new NoopConsumer[6];
2443	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2444
2445	<	/**
2446	<	* thenCombineAsync result completes exceptionally if either source cancelled
2447	<	*/
2448	<	public void testThenCombineAsync4E() {
2449	<	CompletableFuture<Integer> f, g, h;
2450	<	ThreadExecutor e = new ThreadExecutor();
2445	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2446	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2447	>	checkIncomplete(h0);
2448	>	checkIncomplete(h1);
2449	>	rs[0].assertNotInvoked();
2450	>	rs[1].assertNotInvoked();
2451	>	f.completeExceptionally(ex);
2452	>	checkCompletedWithWrappedException(h0, ex);
2453	>	checkCompletedWithWrappedException(h1, ex);
2454	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2455	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2456	>	checkCompletedWithWrappedException(h2, ex);
2457	>	checkCompletedWithWrappedException(h3, ex);
2458
2459	<	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);
2459	>	g.complete(v1);
2460
2461	<	f = new CompletableFuture<>();
2462	<	g = new CompletableFuture<>();
2463	<	h = f.thenCombineAsync(g, subtract, e);
2464	<	assertTrue(g.cancel(true));
2465	<	checkIncomplete(h);
2466	<	f.complete(3);
2467	<	checkCompletedWithWrappedCancellationException(h);
2461	>	// unspecified behavior - both source completions available
2462	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2463	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2464	>	try {
2465	>	assertNull(h4.join());
2466	>	rs[4].assertValue(v1);
2467	>	} catch (CompletionException ok) {
2468	>	checkCompletedWithWrappedException(h4, ex);
2469	>	rs[4].assertNotInvoked();
2470	>	}
2471	>	try {
2472	>	assertNull(h5.join());
2473	>	rs[5].assertValue(v1);
2474	>	} catch (CompletionException ok) {
2475	>	checkCompletedWithWrappedException(h5, ex);
2476	>	rs[5].assertNotInvoked();
2477	>	}
2478
2479	<	f = new CompletableFuture<>();
2480	<	g = new CompletableFuture<>();
2481	<	assertTrue(g.cancel(true));
2482	<	h = f.thenCombineAsync(g, subtract, e);
2483	<	checkIncomplete(h);
2484	<	f.complete(3);
2485	<	checkCompletedWithWrappedCancellationException(h);
2479	>	checkCompletedExceptionally(f, ex);
2480	>	checkCompletedNormally(g, v1);
2481	>	checkCompletedWithWrappedException(h0, ex);
2482	>	checkCompletedWithWrappedException(h1, ex);
2483	>	checkCompletedWithWrappedException(h2, ex);
2484	>	checkCompletedWithWrappedException(h3, ex);
2485	>	checkCompletedWithWrappedException(h4, ex);
2486	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2487	>	}}
2488	>
2489	>	public void testAcceptEither_exceptionalCompletion2() {
2490	>	for (ExecutionMode m : ExecutionMode.values())
2491	>	for (boolean fFirst : new boolean[] { true, false })
2492	>	for (Integer v1 : new Integer[] { 1, null })
2493	>	{
2494	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2495	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2496	>	final CFException ex = new CFException();
2497	>	final NoopConsumer[] rs = new NoopConsumer[6];
2498	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2499
2500	<	f = new CompletableFuture<>();
2501	<	g = new CompletableFuture<>();
2502	<	assertTrue(f.cancel(true));
2503	<	assertTrue(g.cancel(true));
2504	<	h = f.thenCombineAsync(g, subtract, e);
2505	<	checkCompletedWithWrappedCancellationException(h);
2500	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2501	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2502	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2503	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2504	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2505	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2506	>
2507	>	// unspecified behavior - both source completions available
2508	>	try {
2509	>	assertEquals(null, h0.join());
2510	>	rs[0].assertValue(v1);
2511	>	} catch (CompletionException ok) {
2512	>	checkCompletedWithWrappedException(h0, ex);
2513	>	rs[0].assertNotInvoked();
2514	>	}
2515	>	try {
2516	>	assertEquals(null, h1.join());
2517	>	rs[1].assertValue(v1);
2518	>	} catch (CompletionException ok) {
2519	>	checkCompletedWithWrappedException(h1, ex);
2520	>	rs[1].assertNotInvoked();
2521	>	}
2522	>	try {
2523	>	assertEquals(null, h2.join());
2524	>	rs[2].assertValue(v1);
2525	>	} catch (CompletionException ok) {
2526	>	checkCompletedWithWrappedException(h2, ex);
2527	>	rs[2].assertNotInvoked();
2528	>	}
2529	>	try {
2530	>	assertEquals(null, h3.join());
2531	>	rs[3].assertValue(v1);
2532	>	} catch (CompletionException ok) {
2533	>	checkCompletedWithWrappedException(h3, ex);
2534	>	rs[3].assertNotInvoked();
2535	>	}
2536
2537	<	assertEquals(0, e.count.get());
2538	<	}
2537	>	checkCompletedNormally(f, v1);
2538	>	checkCompletedExceptionally(g, ex);
2539	>	}}
2540
2541		/**
2542	<	* thenAcceptBothAsync result completes normally after normal
2568	<	* completion of sources
2542	>	* acceptEither result completes exceptionally if either source cancelled
2543		*/
2544	<	public void testThenAcceptBothAsyncE() {
2545	<	CompletableFuture<Integer> f, g;
2546	<	CompletableFuture<Void> h;
2547	<	SubtractAction r;
2548	<	ThreadExecutor e = new ThreadExecutor();
2544	>	public void testAcceptEither_sourceCancelled() {
2545	>	for (ExecutionMode m : ExecutionMode.values())
2546	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2547	>	for (Integer v1 : new Integer[] { 1, null })
2548	>	{
2549	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2550	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2551	>	final NoopConsumer[] rs = new NoopConsumer[6];
2552	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2553
2554	<	f = new CompletableFuture<>();
2555	<	g = new CompletableFuture<>();
2556	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2557	<	f.complete(3);
2558	<	checkIncomplete(h);
2559	<	g.complete(1);
2560	<	checkCompletedNormally(h, null);
2561	<	assertEquals(r.value, 2);
2554	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2555	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2556	>	checkIncomplete(h0);
2557	>	checkIncomplete(h1);
2558	>	rs[0].assertNotInvoked();
2559	>	rs[1].assertNotInvoked();
2560	>	f.cancel(mayInterruptIfRunning);
2561	>	checkCompletedWithWrappedCancellationException(h0);
2562	>	checkCompletedWithWrappedCancellationException(h1);
2563	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2564	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2565	>	checkCompletedWithWrappedCancellationException(h2);
2566	>	checkCompletedWithWrappedCancellationException(h3);
2567
2568	<	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);
2568	>	g.complete(v1);
2569
2570	<	f = new CompletableFuture<>();
2571	<	g = new CompletableFuture<>();
2572	<	g.complete(1);
2573	<	f.complete(3);
2574	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2575	<	checkCompletedNormally(h, null);
2576	<	assertEquals(r.value, 2);
2570	>	// unspecified behavior - both source completions available
2571	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2572	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2573	>	try {
2574	>	assertNull(h4.join());
2575	>	rs[4].assertValue(v1);
2576	>	} catch (CompletionException ok) {
2577	>	checkCompletedWithWrappedCancellationException(h4);
2578	>	rs[4].assertNotInvoked();
2579	>	}
2580	>	try {
2581	>	assertNull(h5.join());
2582	>	rs[5].assertValue(v1);
2583	>	} catch (CompletionException ok) {
2584	>	checkCompletedWithWrappedCancellationException(h5);
2585	>	rs[5].assertNotInvoked();
2586	>	}
2587
2588	<	assertEquals(3, e.count.get());
2589	<	}
2588	>	checkCancelled(f);
2589	>	checkCompletedNormally(g, v1);
2590	>	checkCompletedWithWrappedCancellationException(h0);
2591	>	checkCompletedWithWrappedCancellationException(h1);
2592	>	checkCompletedWithWrappedCancellationException(h2);
2593	>	checkCompletedWithWrappedCancellationException(h3);
2594	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2595	>	}}
2596
2597		/**
2598	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2607	<	* completion of source
2598	>	* acceptEither result completes exceptionally if action does
2599		*/
2600	<	public void testThenAcceptBothAsync2E() {
2601	<	CompletableFuture<Integer> f, g;
2602	<	CompletableFuture<Void> h;
2603	<	SubtractAction r;
2604	<	ThreadExecutor e = new ThreadExecutor();
2605	<
2606	<	f = new CompletableFuture<>();
2607	<	g = new CompletableFuture<>();
2608	<	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	<	}
2600	>	public void testAcceptEither_actionFailed() {
2601	>	for (ExecutionMode m : ExecutionMode.values())
2602	>	for (Integer v1 : new Integer[] { 1, null })
2603	>	for (Integer v2 : new Integer[] { 2, null })
2604	>	{
2605	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2606	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2607	>	final FailingConsumer[] rs = new FailingConsumer[6];
2608	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2609
2610	<	/**
2611	<	* thenAcceptBothAsync result completes exceptionally if action does
2612	<	*/
2613	<	public void testThenAcceptBothAsync3E() {
2614	<	CompletableFuture<Integer> f, g;
2615	<	CompletableFuture<Void> h;
2616	<	FailingBiConsumer r;
2617	<	ThreadExecutor e = new ThreadExecutor();
2610	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2611	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2612	>	f.complete(v1);
2613	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2614	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2615	>	checkCompletedWithWrappedCFException(h0);
2616	>	checkCompletedWithWrappedCFException(h1);
2617	>	checkCompletedWithWrappedCFException(h2);
2618	>	checkCompletedWithWrappedCFException(h3);
2619	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2620
2621	<	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);
2621	>	g.complete(v2);
2622
2623	<	f = new CompletableFuture<>();
2624	<	g = new CompletableFuture<>();
2625	<	f.complete(3);
2626	<	g.complete(1);
2627	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2628	<	checkCompletedWithWrappedCFException(h);
2623	>	// unspecified behavior - both source completions available
2624	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2625	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2626	>
2627	>	checkCompletedWithWrappedCFException(h4);
2628	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2629	>	Objects.equals(v2, rs[4].value));
2630	>	checkCompletedWithWrappedCFException(h5);
2631	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2632	>	Objects.equals(v2, rs[5].value));
2633
2634	<	assertEquals(2, e.count.get());
2635	<	}
2634	>	checkCompletedNormally(f, v1);
2635	>	checkCompletedNormally(g, v2);
2636	>	}}
2637
2638		/**
2639	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2639	>	* runAfterEither result completes normally after normal completion
2640	>	* of either source
2641		*/
2642	<	public void testThenAcceptBothAsync4E() {
2643	<	CompletableFuture<Integer> f, g;
2644	<	CompletableFuture<Void> h;
2645	<	SubtractAction r;
2646	<	ThreadExecutor e = new ThreadExecutor();
2647	<
2648	<	f = new CompletableFuture<>();
2649	<	g = new CompletableFuture<>();
2650	<	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);
2642	>	public void testRunAfterEither_normalCompletion() {
2643	>	for (ExecutionMode m : ExecutionMode.values())
2644	>	for (Integer v1 : new Integer[] { 1, null })
2645	>	for (Integer v2 : new Integer[] { 2, null })
2646	>	{
2647	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2648	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2649	>	final Noop[] rs = new Noop[6];
2650	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2651
2652	<	f = new CompletableFuture<>();
2653	<	g = new CompletableFuture<>();
2654	<	f.complete(3);
2655	<	assertTrue(g.cancel(true));
2656	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2657	<	checkCompletedWithWrappedCancellationException(h);
2652	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2653	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2654	>	checkIncomplete(h0);
2655	>	checkIncomplete(h1);
2656	>	rs[0].assertNotInvoked();
2657	>	rs[1].assertNotInvoked();
2658	>	f.complete(v1);
2659	>	checkCompletedNormally(h0, null);
2660	>	checkCompletedNormally(h1, null);
2661	>	rs[0].assertInvoked();
2662	>	rs[1].assertInvoked();
2663	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2664	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2665	>	checkCompletedNormally(h2, null);
2666	>	checkCompletedNormally(h3, null);
2667	>	rs[2].assertInvoked();
2668	>	rs[3].assertInvoked();
2669
2670	<	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);
2670	>	g.complete(v2);
2671
2672	<	assertEquals(0, e.count.get());
2673	<	}
2672	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2673	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2674
2675	<	/**
2676	<	* runAfterBothAsync result completes normally after normal
2677	<	* completion of sources
2678	<	*/
2679	<	public void testRunAfterBothAsyncE() {
2680	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2681	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2682	<	Noop r = new Noop();
2683	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2684	<	f.complete(one);
2727	<	checkIncomplete(g);
2728	<	f2.complete(two);
2729	<	checkCompletedNormally(g, null);
2730	<	assertTrue(r.ran);
2731	<	}
2675	>	checkCompletedNormally(f, v1);
2676	>	checkCompletedNormally(g, v2);
2677	>	checkCompletedNormally(h0, null);
2678	>	checkCompletedNormally(h1, null);
2679	>	checkCompletedNormally(h2, null);
2680	>	checkCompletedNormally(h3, null);
2681	>	checkCompletedNormally(h4, null);
2682	>	checkCompletedNormally(h5, null);
2683	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2684	>	}}
2685
2686		/**
2687	<	* runAfterBothAsync result completes exceptionally after exceptional
2688	<	* completion of source
2687	>	* runAfterEither result completes exceptionally after exceptional
2688	>	* completion of either source
2689		*/
2690	<	public void testRunAfterBothAsync2E() {
2691	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2692	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2693	<	Noop r = new Noop();
2694	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2695	<	f.completeExceptionally(new CFException());
2696	<	f2.complete(two);
2697	<	checkCompletedWithWrappedCFException(g);
2690	>	public void testRunAfterEither_exceptionalCompletion() {
2691	>	for (ExecutionMode m : ExecutionMode.values())
2692	>	for (Integer v1 : new Integer[] { 1, null })
2693	>	{
2694	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2695	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2696	>	final CFException ex = new CFException();
2697	>	final Noop[] rs = new Noop[6];
2698	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2699
2700	<	r = new Noop();
2701	<	f = new CompletableFuture<>();
2702	<	f2 = new CompletableFuture<>();
2703	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2704	<	f.complete(one);
2705	<	f2.completeExceptionally(new CFException());
2706	<	checkCompletedWithWrappedCFException(g);
2707	<	}
2700	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2701	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2702	>	checkIncomplete(h0);
2703	>	checkIncomplete(h1);
2704	>	rs[0].assertNotInvoked();
2705	>	rs[1].assertNotInvoked();
2706	>	assertTrue(f.completeExceptionally(ex));
2707	>	checkCompletedWithWrappedException(h0, ex);
2708	>	checkCompletedWithWrappedException(h1, ex);
2709	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2710	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2711	>	checkCompletedWithWrappedException(h2, ex);
2712	>	checkCompletedWithWrappedException(h3, ex);
2713	>
2714	>	assertTrue(g.complete(v1));
2715	>
2716	>	// unspecified behavior - both source completions available
2717	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2718	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2719	>	try {
2720	>	assertNull(h4.join());
2721	>	rs[4].assertInvoked();
2722	>	} catch (CompletionException ok) {
2723	>	checkCompletedWithWrappedException(h4, ex);
2724	>	rs[4].assertNotInvoked();
2725	>	}
2726	>	try {
2727	>	assertNull(h5.join());
2728	>	rs[5].assertInvoked();
2729	>	} catch (CompletionException ok) {
2730	>	checkCompletedWithWrappedException(h5, ex);
2731	>	rs[5].assertNotInvoked();
2732	>	}
2733
2734	<	/**
2735	<	* runAfterBothAsync result completes exceptionally if action does
2736	<	*/
2737	<	public void testRunAfterBothAsync3E() {
2738	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2739	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2740	<	FailingNoop r = new FailingNoop();
2741	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2742	<	f.complete(one);
2743	<	checkIncomplete(g);
2744	<	f2.complete(two);
2745	<	checkCompletedWithWrappedCFException(g);
2746	<	}
2734	>	checkCompletedExceptionally(f, ex);
2735	>	checkCompletedNormally(g, v1);
2736	>	checkCompletedWithWrappedException(h0, ex);
2737	>	checkCompletedWithWrappedException(h1, ex);
2738	>	checkCompletedWithWrappedException(h2, ex);
2739	>	checkCompletedWithWrappedException(h3, ex);
2740	>	checkCompletedWithWrappedException(h4, ex);
2741	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2742	>	}}
2743	>
2744	>	public void testRunAfterEither_exceptionalCompletion2() {
2745	>	for (ExecutionMode m : ExecutionMode.values())
2746	>	for (boolean fFirst : new boolean[] { true, false })
2747	>	for (Integer v1 : new Integer[] { 1, null })
2748	>	{
2749	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2750	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2751	>	final CFException ex = new CFException();
2752	>	final Noop[] rs = new Noop[6];
2753	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2754
2755	<	/**
2756	<	* runAfterBothAsync result completes exceptionally if either source cancelled
2757	<	*/
2758	<	public void testRunAfterBothAsync4E() {
2759	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2760	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2761	<	Noop r = new Noop();
2762	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2763	<	assertTrue(f.cancel(true));
2764	<	f2.complete(two);
2765	<	checkCompletedWithWrappedCancellationException(g);
2755	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2756	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2757	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2758	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2759	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2760	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2761	>
2762	>	// unspecified behavior - both source completions available
2763	>	try {
2764	>	assertEquals(null, h0.join());
2765	>	rs[0].assertInvoked();
2766	>	} catch (CompletionException ok) {
2767	>	checkCompletedWithWrappedException(h0, ex);
2768	>	rs[0].assertNotInvoked();
2769	>	}
2770	>	try {
2771	>	assertEquals(null, h1.join());
2772	>	rs[1].assertInvoked();
2773	>	} catch (CompletionException ok) {
2774	>	checkCompletedWithWrappedException(h1, ex);
2775	>	rs[1].assertNotInvoked();
2776	>	}
2777	>	try {
2778	>	assertEquals(null, h2.join());
2779	>	rs[2].assertInvoked();
2780	>	} catch (CompletionException ok) {
2781	>	checkCompletedWithWrappedException(h2, ex);
2782	>	rs[2].assertNotInvoked();
2783	>	}
2784	>	try {
2785	>	assertEquals(null, h3.join());
2786	>	rs[3].assertInvoked();
2787	>	} catch (CompletionException ok) {
2788	>	checkCompletedWithWrappedException(h3, ex);
2789	>	rs[3].assertNotInvoked();
2790	>	}
2791
2792	<	r = new Noop();
2793	<	f = new CompletableFuture<>();
2794	<	f2 = new CompletableFuture<>();
2784	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2785	<	f.complete(one);
2786	<	assertTrue(f2.cancel(true));
2787	<	checkCompletedWithWrappedCancellationException(g);
2788	<	}
2792	>	checkCompletedNormally(f, v1);
2793	>	checkCompletedExceptionally(g, ex);
2794	>	}}
2795
2796		/**
2797	<	* applyToEitherAsync result completes normally after normal
2792	<	* completion of sources
2797	>	* runAfterEither result completes exceptionally if either source cancelled
2798		*/
2799	<	public void testApplyToEitherAsyncE() {
2800	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2801	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2802	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2803	<	f.complete(one);
2804	<	checkCompletedNormally(g, two);
2805	<
2806	<	f = new CompletableFuture<>();
2807	<	f.complete(one);
2803	<	f2 = new CompletableFuture<>();
2804	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2805	<	checkCompletedNormally(g, two);
2806	<	}
2799	>	public void testRunAfterEither_sourceCancelled() {
2800	>	for (ExecutionMode m : ExecutionMode.values())
2801	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2802	>	for (Integer v1 : new Integer[] { 1, null })
2803	>	{
2804	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2805	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2806	>	final Noop[] rs = new Noop[6];
2807	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2808
2809	<	/**
2810	<	* applyToEitherAsync result completes exceptionally after exceptional
2811	<	* completion of source
2812	<	*/
2813	<	public void testApplyToEitherAsync2E() {
2814	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2815	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2816	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2817	<	f.completeExceptionally(new CFException());
2818	<	checkCompletedWithWrappedCFException(g);
2809	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2810	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2811	>	checkIncomplete(h0);
2812	>	checkIncomplete(h1);
2813	>	rs[0].assertNotInvoked();
2814	>	rs[1].assertNotInvoked();
2815	>	f.cancel(mayInterruptIfRunning);
2816	>	checkCompletedWithWrappedCancellationException(h0);
2817	>	checkCompletedWithWrappedCancellationException(h1);
2818	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2819	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2820	>	checkCompletedWithWrappedCancellationException(h2);
2821	>	checkCompletedWithWrappedCancellationException(h3);
2822	>
2823	>	assertTrue(g.complete(v1));
2824	>
2825	>	// unspecified behavior - both source completions available
2826	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2827	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2828	>	try {
2829	>	assertNull(h4.join());
2830	>	rs[4].assertInvoked();
2831	>	} catch (CompletionException ok) {
2832	>	checkCompletedWithWrappedCancellationException(h4);
2833	>	rs[4].assertNotInvoked();
2834	>	}
2835	>	try {
2836	>	assertNull(h5.join());
2837	>	rs[5].assertInvoked();
2838	>	} catch (CompletionException ok) {
2839	>	checkCompletedWithWrappedCancellationException(h5);
2840	>	rs[5].assertNotInvoked();
2841	>	}
2842
2843	<	f = new CompletableFuture<>();
2844	<	f2 = new CompletableFuture<>();
2845	<	f2.completeExceptionally(new CFException());
2846	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2847	<	f.complete(one);
2848	<	checkCompletedWithWrappedCFException(g);
2849	<	}
2843	>	checkCancelled(f);
2844	>	checkCompletedNormally(g, v1);
2845	>	checkCompletedWithWrappedCancellationException(h0);
2846	>	checkCompletedWithWrappedCancellationException(h1);
2847	>	checkCompletedWithWrappedCancellationException(h2);
2848	>	checkCompletedWithWrappedCancellationException(h3);
2849	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2850	>	}}
2851
2852		/**
2853	<	* applyToEitherAsync result completes exceptionally if action does
2853	>	* runAfterEither result completes exceptionally if action does
2854		*/
2855	<	public void testApplyToEitherAsync3E() {
2856	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2857	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2858	<	FailingFunction r = new FailingFunction();
2859	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2860	<	f.complete(one);
2861	<	checkCompletedWithWrappedCFException(g);
2862	<	}
2855	>	public void testRunAfterEither_actionFailed() {
2856	>	for (ExecutionMode m : ExecutionMode.values())
2857	>	for (Integer v1 : new Integer[] { 1, null })
2858	>	for (Integer v2 : new Integer[] { 2, null })
2859	>	{
2860	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2861	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2862	>	final FailingRunnable[] rs = new FailingRunnable[6];
2863	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2864
2865	<	/**
2866	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2867	<	*/
2868	<	public void testApplyToEitherAsync4E() {
2869	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2870	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2871	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2872	<	assertTrue(f.cancel(true));
2873	<	checkCompletedWithWrappedCancellationException(g);
2865	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2866	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2867	>	assertTrue(f.complete(v1));
2868	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2869	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2870	>	checkCompletedWithWrappedCFException(h0);
2871	>	checkCompletedWithWrappedCFException(h1);
2872	>	checkCompletedWithWrappedCFException(h2);
2873	>	checkCompletedWithWrappedCFException(h3);
2874	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2875	>	assertTrue(g.complete(v2));
2876	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2877	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2878	>	checkCompletedWithWrappedCFException(h4);
2879	>	checkCompletedWithWrappedCFException(h5);
2880
2881	<	f = new CompletableFuture<>();
2882	<	f2 = new CompletableFuture<>();
2883	<	assertTrue(f2.cancel(true));
2884	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2853	<	checkCompletedWithWrappedCancellationException(g);
2854	<	}
2881	>	checkCompletedNormally(f, v1);
2882	>	checkCompletedNormally(g, v2);
2883	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2884	>	}}
2885
2886		/**
2887	<	* acceptEitherAsync result completes normally after normal
2858	<	* completion of sources
2887	>	* thenCompose result completes normally after normal completion of source
2888		*/
2889	<	public void testAcceptEitherAsyncE() {
2890	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2891	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2892	<	IncAction r = new IncAction();
2893	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2894	<	f.complete(one);
2895	<	checkCompletedNormally(g, null);
2896	<	assertEquals(r.value, 2);
2889	>	public void testThenCompose_normalCompletion() {
2890	>	for (ExecutionMode m : ExecutionMode.values())
2891	>	for (boolean createIncomplete : new boolean[] { true, false })
2892	>	for (Integer v1 : new Integer[] { 1, null })
2893	>	{
2894	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2895	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2896	>	if (!createIncomplete) assertTrue(f.complete(v1));
2897	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2898	>	if (createIncomplete) assertTrue(f.complete(v1));
2899
2900	<	r = new IncAction();
2901	<	f = new CompletableFuture<>();
2902	<	f.complete(one);
2903	<	f2 = new CompletableFuture<>();
2873	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2874	<	checkCompletedNormally(g, null);
2875	<	assertEquals(r.value, 2);
2876	<	}
2900	>	checkCompletedNormally(g, inc(v1));
2901	>	checkCompletedNormally(f, v1);
2902	>	r.assertValue(v1);
2903	>	}}
2904
2905		/**
2906	<	* acceptEitherAsync result completes exceptionally after exceptional
2906	>	* thenCompose result completes exceptionally after exceptional
2907		* completion of source
2908		*/
2909	<	public void testAcceptEitherAsync2E() {
2910	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2911	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2912	<	IncAction r = new IncAction();
2913	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2914	<	f.completeExceptionally(new CFException());
2915	<	checkCompletedWithWrappedCFException(g);
2916	<
2917	<	r = new IncAction();
2918	<	f = new CompletableFuture<>();
2919	<	f2 = new CompletableFuture<>();
2920	<	f2.completeExceptionally(new CFException());
2921	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2922	<	f.complete(one);
2923	<	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	<	}
2909	>	public void testThenCompose_exceptionalCompletion() {
2910	>	for (ExecutionMode m : ExecutionMode.values())
2911	>	for (boolean createIncomplete : new boolean[] { true, false })
2912	>	{
2913	>	final CFException ex = new CFException();
2914	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2915	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2916	>	if (!createIncomplete) f.completeExceptionally(ex);
2917	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2918	>	if (createIncomplete) f.completeExceptionally(ex);
2919	>
2920	>	checkCompletedWithWrappedException(g, ex);
2921	>	checkCompletedExceptionally(f, ex);
2922	>	r.assertNotInvoked();
2923	>	}}
2924
2925		/**
2926	<	* runAfterEitherAsync result completes exceptionally after exceptional
2955	<	* completion of source
2926	>	* thenCompose result completes exceptionally if action does
2927		*/
2928	<	public void testRunAfterEitherAsync2E() {
2929	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2930	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2931	<	Noop r = new Noop();
2932	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2933	<	f.completeExceptionally(new CFException());
2934	<	checkCompletedWithWrappedCFException(g);
2928	>	public void testThenCompose_actionFailed() {
2929	>	for (ExecutionMode m : ExecutionMode.values())
2930	>	for (boolean createIncomplete : new boolean[] { true, false })
2931	>	for (Integer v1 : new Integer[] { 1, null })
2932	>	{
2933	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2934	>	final FailingCompletableFutureFunction r
2935	>	= new FailingCompletableFutureFunction(m);
2936	>	if (!createIncomplete) assertTrue(f.complete(v1));
2937	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2938	>	if (createIncomplete) assertTrue(f.complete(v1));
2939
2965	–	r = new Noop();
2966	–	f = new CompletableFuture<>();
2967	–	f2 = new CompletableFuture<>();
2968	–	f2.completeExceptionally(new CFException());
2969	–	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2970	–	f.complete(one);
2940		checkCompletedWithWrappedCFException(g);
2941	<	}
2942	<
2974	<	/**
2975	<	* runAfterEitherAsync result completes exceptionally if action does
2976	<	*/
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	<	}
2941	>	checkCompletedNormally(f, v1);
2942	>	}}
2943
2944		/**
2945	<	* runAfterEitherAsync result completes exceptionally if either
2988	<	* source cancelled
2945	>	* thenCompose result completes exceptionally if source cancelled
2946		*/
2947	<	public void testRunAfterEitherAsync4E() {
2948	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2949	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2950	<	Noop r = new Noop();
2951	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2952	<	assertTrue(f.cancel(true));
2953	<	checkCompletedWithWrappedCancellationException(g);
2947	>	public void testThenCompose_sourceCancelled() {
2948	>	for (ExecutionMode m : ExecutionMode.values())
2949	>	for (boolean createIncomplete : new boolean[] { true, false })
2950	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2951	>	{
2952	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2953	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2954	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2955	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2956	>	if (createIncomplete) {
2957	>	checkIncomplete(g);
2958	>	assertTrue(f.cancel(mayInterruptIfRunning));
2959	>	}
2960
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());
2961		checkCompletedWithWrappedCancellationException(g);
2962	<	}
2963	<
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	<	}
2962	>	checkCancelled(f);
2963	>	}}
2964
2965		/**
2966	<	* thenComposeAsync result completes exceptionally if action does
2966	>	* thenCompose result completes exceptionally if the result of the action does
2967		*/
2968	<	public void testThenComposeAsync3E() {
2969	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2970	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2971	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2972	<	f.complete(one);
2973	<	checkCompletedWithWrappedCFException(g);
2974	<	}
2968	>	public void testThenCompose_actionReturnsFailingFuture() {
2969	>	for (ExecutionMode m : ExecutionMode.values())
2970	>	for (int order = 0; order < 6; order++)
2971	>	for (Integer v1 : new Integer[] { 1, null })
2972	>	{
2973	>	final CFException ex = new CFException();
2974	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2975	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2976	>	final CompletableFuture<Integer> h;
2977	>	// Test all permutations of orders
2978	>	switch (order) {
2979	>	case 0:
2980	>	assertTrue(f.complete(v1));
2981	>	assertTrue(g.completeExceptionally(ex));
2982	>	h = m.thenCompose(f, (x -> g));
2983	>	break;
2984	>	case 1:
2985	>	assertTrue(f.complete(v1));
2986	>	h = m.thenCompose(f, (x -> g));
2987	>	assertTrue(g.completeExceptionally(ex));
2988	>	break;
2989	>	case 2:
2990	>	assertTrue(g.completeExceptionally(ex));
2991	>	assertTrue(f.complete(v1));
2992	>	h = m.thenCompose(f, (x -> g));
2993	>	break;
2994	>	case 3:
2995	>	assertTrue(g.completeExceptionally(ex));
2996	>	h = m.thenCompose(f, (x -> g));
2997	>	assertTrue(f.complete(v1));
2998	>	break;
2999	>	case 4:
3000	>	h = m.thenCompose(f, (x -> g));
3001	>	assertTrue(f.complete(v1));
3002	>	assertTrue(g.completeExceptionally(ex));
3003	>	break;
3004	>	case 5:
3005	>	h = m.thenCompose(f, (x -> g));
3006	>	assertTrue(f.complete(v1));
3007	>	assertTrue(g.completeExceptionally(ex));
3008	>	break;
3009	>	default: throw new AssertionError();
3010	>	}
3011
3012	<	/**
3013	<	* thenComposeAsync result completes exceptionally if source cancelled
3014	<	*/
3015	<	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	<	}
3012	>	checkCompletedExceptionally(g, ex);
3013	>	checkCompletedWithWrappedException(h, ex);
3014	>	checkCompletedNormally(f, v1);
3015	>	}}
3016
3017		// other static methods
3018
#	Line 3065 | Line 3030 | public class CompletableFutureTest exten
3030		* when all components complete normally
3031		*/
3032		public void testAllOf_normal() throws Exception {
3033	<	for (int k = 1; k < 20; ++k) {
3034	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3035	<	for (int i = 0; i < k; ++i)
3033	>	for (int k = 1; k < 10; k++) {
3034	>	CompletableFuture<Integer>[] fs
3035	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3036	>	for (int i = 0; i < k; i++)
3037		fs[i] = new CompletableFuture<>();
3038		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3039	<	for (int i = 0; i < k; ++i) {
3039	>	for (int i = 0; i < k; i++) {
3040		checkIncomplete(f);
3041		checkIncomplete(CompletableFuture.allOf(fs));
3042		fs[i].complete(one);
#	Line 3080 | Line 3046 | public class CompletableFutureTest exten
3046		}
3047		}
3048
3049	+	public void testAllOf_backwards() throws Exception {
3050	+	for (int k = 1; k < 10; k++) {
3051	+	CompletableFuture<Integer>[] fs
3052	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3053	+	for (int i = 0; i < k; i++)
3054	+	fs[i] = new CompletableFuture<>();
3055	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3056	+	for (int i = k - 1; i >= 0; i--) {
3057	+	checkIncomplete(f);
3058	+	checkIncomplete(CompletableFuture.allOf(fs));
3059	+	fs[i].complete(one);
3060	+	}
3061	+	checkCompletedNormally(f, null);
3062	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3063	+	}
3064	+	}
3065	+
3066	+	public void testAllOf_exceptional() throws Exception {
3067	+	for (int k = 1; k < 10; k++) {
3068	+	CompletableFuture<Integer>[] fs
3069	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3070	+	CFException ex = new CFException();
3071	+	for (int i = 0; i < k; i++)
3072	+	fs[i] = new CompletableFuture<>();
3073	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3074	+	for (int i = 0; i < k; i++) {
3075	+	checkIncomplete(f);
3076	+	checkIncomplete(CompletableFuture.allOf(fs));
3077	+	if (i != k / 2) {
3078	+	fs[i].complete(i);
3079	+	checkCompletedNormally(fs[i], i);
3080	+	} else {
3081	+	fs[i].completeExceptionally(ex);
3082	+	checkCompletedExceptionally(fs[i], ex);
3083	+	}
3084	+	}
3085	+	checkCompletedWithWrappedException(f, ex);
3086	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3087	+	}
3088	+	}
3089	+
3090		/**
3091		* anyOf(no component futures) returns an incomplete future
3092		*/
3093		public void testAnyOf_empty() throws Exception {
3094	+	for (Integer v1 : new Integer[] { 1, null })
3095	+	{
3096		CompletableFuture<Object> f = CompletableFuture.anyOf();
3097		checkIncomplete(f);
3098	<	}
3098	>
3099	>	f.complete(v1);
3100	>	checkCompletedNormally(f, v1);
3101	>	}}
3102
3103		/**
3104		* anyOf returns a future completed normally with a value when
3105		* a component future does
3106		*/
3107		public void testAnyOf_normal() throws Exception {
3108	<	for (int k = 0; k < 10; ++k) {
3108	>	for (int k = 0; k < 10; k++) {
3109		CompletableFuture[] fs = new CompletableFuture[k];
3110	<	for (int i = 0; i < k; ++i)
3110	>	for (int i = 0; i < k; i++)
3111		fs[i] = new CompletableFuture<>();
3112		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3113		checkIncomplete(f);
3114	<	for (int i = 0; i < k; ++i) {
3115	<	fs[i].complete(one);
3116	<	checkCompletedNormally(f, one);
3117	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3114	>	for (int i = 0; i < k; i++) {
3115	>	fs[i].complete(i);
3116	>	checkCompletedNormally(f, 0);
3117	>	int x = (int) CompletableFuture.anyOf(fs).join();
3118	>	assertTrue(0 <= x && x <= i);
3119	>	}
3120	>	}
3121	>	}
3122	>	public void testAnyOf_normal_backwards() throws Exception {
3123	>	for (int k = 0; k < 10; k++) {
3124	>	CompletableFuture[] fs = new CompletableFuture[k];
3125	>	for (int i = 0; i < k; i++)
3126	>	fs[i] = new CompletableFuture<>();
3127	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3128	>	checkIncomplete(f);
3129	>	for (int i = k - 1; i >= 0; i--) {
3130	>	fs[i].complete(i);
3131	>	checkCompletedNormally(f, k - 1);
3132	>	int x = (int) CompletableFuture.anyOf(fs).join();
3133	>	assertTrue(i <= x && x <= k - 1);
3134		}
3135		}
3136		}
#	Line 3111 | Line 3139 | public class CompletableFutureTest exten
3139		* anyOf result completes exceptionally when any component does.
3140		*/
3141		public void testAnyOf_exceptional() throws Exception {
3142	<	for (int k = 0; k < 10; ++k) {
3142	>	for (int k = 0; k < 10; k++) {
3143	>	CompletableFuture[] fs = new CompletableFuture[k];
3144	>	CFException[] exs = new CFException[k];
3145	>	for (int i = 0; i < k; i++) {
3146	>	fs[i] = new CompletableFuture<>();
3147	>	exs[i] = new CFException();
3148	>	}
3149	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3150	>	checkIncomplete(f);
3151	>	for (int i = 0; i < k; i++) {
3152	>	fs[i].completeExceptionally(exs[i]);
3153	>	checkCompletedWithWrappedException(f, exs[0]);
3154	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3155	>	}
3156	>	}
3157	>	}
3158	>
3159	>	public void testAnyOf_exceptional_backwards() throws Exception {
3160	>	for (int k = 0; k < 10; k++) {
3161		CompletableFuture[] fs = new CompletableFuture[k];
3162	<	for (int i = 0; i < k; ++i)
3162	>	CFException[] exs = new CFException[k];
3163	>	for (int i = 0; i < k; i++) {
3164		fs[i] = new CompletableFuture<>();
3165	+	exs[i] = new CFException();
3166	+	}
3167		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3168		checkIncomplete(f);
3169	<	for (int i = 0; i < k; ++i) {
3170	<	fs[i].completeExceptionally(new CFException());
3171	<	checkCompletedWithWrappedCFException(f);
3169	>	for (int i = k - 1; i >= 0; i--) {
3170	>	fs[i].completeExceptionally(exs[i]);
3171	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3172		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3173		}
3174		}
#	Line 3132 | Line 3181 | public class CompletableFutureTest exten
3181		CompletableFuture<Integer> f = new CompletableFuture<>();
3182		CompletableFuture<Integer> g = new CompletableFuture<>();
3183		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3135	–	CompletableFuture<?> h;
3184		ThreadExecutor exec = new ThreadExecutor();
3185
3186		Runnable[] throwingActions = {
3187		() -> CompletableFuture.supplyAsync(null),
3188		() -> CompletableFuture.supplyAsync(null, exec),
3189	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3189	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3190
3191		() -> CompletableFuture.runAsync(null),
3192		() -> CompletableFuture.runAsync(null, exec),
#	Line 3211 | Line 3259 | public class CompletableFutureTest exten
3259
3260		() -> f.thenCompose(null),
3261		() -> f.thenComposeAsync(null),
3262	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3262	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3263		() -> f.thenComposeAsync(null, exec),
3264
3265		() -> f.exceptionally(null),
#	Line 3229 | Line 3277 | public class CompletableFutureTest exten
3277		() -> CompletableFuture.anyOf(null, f),
3278
3279		() -> f.obtrudeException(null),
3280	+
3281	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3282	+	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3283	+	() -> CompletableFuture.delayedExecutor(1L, null),
3284	+
3285	+	() -> f.orTimeout(1L, null),
3286	+	() -> f.completeOnTimeout(42, 1L, null),
3287	+
3288	+	() -> CompletableFuture.failedFuture(null),
3289	+	() -> CompletableFuture.failedStage(null),
3290		};
3291
3292		assertThrows(NullPointerException.class, throwingActions);
#	Line 3243 | Line 3301 | public class CompletableFutureTest exten
3301		assertSame(f, f.toCompletableFuture());
3302		}
3303
3304	+	// jdk9
3305	+
3306		/**
3307	<	* whenComplete action executes on normal completion, propagating
3248	<	* source result.
3307	>	* newIncompleteFuture returns an incomplete CompletableFuture
3308		*/
3309	<	public void testWhenComplete1() {
3310	<	final AtomicInteger a = new AtomicInteger();
3309	>	public void testNewIncompleteFuture() {
3310	>	for (Integer v1 : new Integer[] { 1, null })
3311	>	{
3312		CompletableFuture<Integer> f = new CompletableFuture<>();
3313	<	CompletableFuture<Integer> g =
3314	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3315	<	f.complete(three);
3316	<	checkCompletedNormally(f, three);
3317	<	checkCompletedNormally(g, three);
3318	<	assertEquals(a.get(), 1);
3313	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3314	>	checkIncomplete(f);
3315	>	checkIncomplete(g);
3316	>	f.complete(v1);
3317	>	checkCompletedNormally(f, v1);
3318	>	checkIncomplete(g);
3319	>	g.complete(v1);
3320	>	checkCompletedNormally(g, v1);
3321	>	assertSame(g.getClass(), CompletableFuture.class);
3322	>	}}
3323	>
3324	>	/**
3325	>	* completedStage returns a completed CompletionStage
3326	>	*/
3327	>	public void testCompletedStage() {
3328	>	AtomicInteger x = new AtomicInteger(0);
3329	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3330	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3331	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3332	>	assertEquals(x.get(), 1);
3333	>	assertNull(r.get());
3334		}
3335
3336		/**
3337	<	* whenComplete action executes on exceptional completion, propagating
3338	<	* source result.
3337	>	* defaultExecutor by default returns the commonPool if
3338	>	* it supports more than one thread.
3339		*/
3340	<	public void testWhenComplete2() {
3266	<	final AtomicInteger a = new AtomicInteger();
3340	>	public void testDefaultExecutor() {
3341		CompletableFuture<Integer> f = new CompletableFuture<>();
3342	<	CompletableFuture<Integer> g =
3343	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3344	<	f.completeExceptionally(new CFException());
3345	<	assertTrue(f.isCompletedExceptionally());
3346	<	assertTrue(g.isCompletedExceptionally());
3347	<	assertEquals(a.get(), 1);
3342	>	Executor e = f.defaultExecutor();
3343	>	Executor c = ForkJoinPool.commonPool();
3344	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3345	>	assertSame(e, c);
3346	>	else
3347	>	assertNotSame(e, c);
3348		}
3349
3350		/**
3351	<	* If a whenComplete action throws an exception when triggered by
3352	<	* a normal completion, it completes exceptionally
3351	>	* failedFuture returns a CompletableFuture completed
3352	>	* exceptionally with the given Exception
3353		*/
3354	<	public void testWhenComplete3() {
3355	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3356	<	CompletableFuture<Integer> g =
3357	<	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);
3354	>	public void testFailedFuture() {
3355	>	CFException ex = new CFException();
3356	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3357	>	checkCompletedExceptionally(f, ex);
3358		}
3359
3360		/**
3361	<	* whenCompleteAsync action executes on normal completion, propagating
3293	<	* source result.
3361	>	* failedFuture(null) throws NPE
3362		*/
3363	<	public void testWhenCompleteAsync1() {
3364	<	final AtomicInteger a = new AtomicInteger();
3365	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3366	<	CompletableFuture<Integer> g =
3367	<	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);
3363	>	public void testFailedFuture_null() {
3364	>	try {
3365	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3366	>	shouldThrow();
3367	>	} catch (NullPointerException success) {}
3368		}
3369
3370		/**
3371	<	* whenCompleteAsync action executes on exceptional completion, propagating
3372	<	* source result.
3371	>	* copy returns a CompletableFuture that is completed normally,
3372	>	* with the same value, when source is.
3373		*/
3374	<	public void testWhenCompleteAsync2() {
3311	<	final AtomicInteger a = new AtomicInteger();
3374	>	public void testCopy() {
3375		CompletableFuture<Integer> f = new CompletableFuture<>();
3376	<	CompletableFuture<Integer> g =
3377	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3378	<	f.completeExceptionally(new CFException());
3379	<	checkCompletedWithWrappedCFException(f);
3380	<	checkCompletedWithWrappedCFException(g);
3376	>	CompletableFuture<Integer> g = f.copy();
3377	>	checkIncomplete(f);
3378	>	checkIncomplete(g);
3379	>	f.complete(1);
3380	>	checkCompletedNormally(f, 1);
3381	>	checkCompletedNormally(g, 1);
3382		}
3383
3384		/**
3385	<	* If a whenCompleteAsync action throws an exception when
3386	<	* triggered by a normal completion, it completes exceptionally
3385	>	* copy returns a CompletableFuture that is completed exceptionally
3386	>	* when source is.
3387		*/
3388	<	public void testWhenCompleteAsync3() {
3388	>	public void testCopy2() {
3389		CompletableFuture<Integer> f = new CompletableFuture<>();
3390	<	CompletableFuture<Integer> g =
3391	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3392	<	{ throw new CFException(); } );
3393	<	f.complete(three);
3394	<	checkCompletedNormally(f, three);
3395	<	checkCompletedWithWrappedCFException(g);
3390	>	CompletableFuture<Integer> g = f.copy();
3391	>	checkIncomplete(f);
3392	>	checkIncomplete(g);
3393	>	CFException ex = new CFException();
3394	>	f.completeExceptionally(ex);
3395	>	checkCompletedExceptionally(f, ex);
3396	>	checkCompletedWithWrappedException(g, ex);
3397		}
3398
3399		/**
3400	<	* whenCompleteAsync action executes on normal completion, propagating
3401	<	* source result.
3400	>	* minimalCompletionStage returns a CompletableFuture that is
3401	>	* completed normally, with the same value, when source is.
3402		*/
3403	<	public void testWhenCompleteAsync1e() {
3339	<	final AtomicInteger a = new AtomicInteger();
3340	<	ThreadExecutor exec = new ThreadExecutor();
3403	>	public void testMinimalCompletionStage() {
3404		CompletableFuture<Integer> f = new CompletableFuture<>();
3405	<	CompletableFuture<Integer> g =
3406	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3407	<	exec);
3408	<	f.complete(three);
3409	<	checkCompletedNormally(f, three);
3410	<	checkCompletedNormally(g, three);
3411	<	assertEquals(a.get(), 1);
3405	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3406	>	AtomicInteger x = new AtomicInteger(0);
3407	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3408	>	checkIncomplete(f);
3409	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3410	>	f.complete(1);
3411	>	checkCompletedNormally(f, 1);
3412	>	assertEquals(x.get(), 1);
3413	>	assertNull(r.get());
3414		}
3415
3416		/**
3417	<	* whenCompleteAsync action executes on exceptional completion, propagating
3418	<	* source result.
3417	>	* minimalCompletionStage returns a CompletableFuture that is
3418	>	* completed exceptionally when source is.
3419		*/
3420	<	public void testWhenCompleteAsync2e() {
3356	<	final AtomicInteger a = new AtomicInteger();
3357	<	ThreadExecutor exec = new ThreadExecutor();
3420	>	public void testMinimalCompletionStage2() {
3421		CompletableFuture<Integer> f = new CompletableFuture<>();
3422	<	CompletableFuture<Integer> g =
3423	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3424	<	exec);
3425	<	f.completeExceptionally(new CFException());
3426	<	checkCompletedWithWrappedCFException(f);
3427	<	checkCompletedWithWrappedCFException(g);
3422	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3423	>	AtomicInteger x = new AtomicInteger(0);
3424	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3425	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3426	>	checkIncomplete(f);
3427	>	CFException ex = new CFException();
3428	>	f.completeExceptionally(ex);
3429	>	checkCompletedExceptionally(f, ex);
3430	>	assertEquals(x.get(), 0);
3431	>	assertEquals(r.get().getCause(), ex);
3432		}
3433
3434		/**
3435	<	* If a whenCompleteAsync action throws an exception when triggered
3436	<	* by a normal completion, it completes exceptionally
3435	>	* failedStage returns a CompletionStage completed
3436	>	* exceptionally with the given Exception
3437		*/
3438	<	public void testWhenCompleteAsync3e() {
3439	<	ThreadExecutor exec = new ThreadExecutor();
3438	>	public void testFailedStage() {
3439	>	CFException ex = new CFException();
3440	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3441	>	AtomicInteger x = new AtomicInteger(0);
3442	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3443	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3444	>	assertEquals(x.get(), 0);
3445	>	assertEquals(r.get(), ex);
3446	>	}
3447	>
3448	>	/**
3449	>	* completeAsync completes with value of given supplier
3450	>	*/
3451	>	public void testCompleteAsync() {
3452	>	for (Integer v1 : new Integer[] { 1, null })
3453	>	{
3454		CompletableFuture<Integer> f = new CompletableFuture<>();
3455	<	CompletableFuture<Integer> g =
3456	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3457	<	{ throw new CFException(); },
3458	<	exec);
3459	<	f.complete(three);
3460	<	checkCompletedNormally(f, three);
3461	<	checkCompletedWithWrappedCFException(g);
3455	>	f.completeAsync(() -> v1);
3456	>	f.join();
3457	>	checkCompletedNormally(f, v1);
3458	>	}}
3459	>
3460	>	/**
3461	>	* completeAsync completes exceptionally if given supplier throws
3462	>	*/
3463	>	public void testCompleteAsync2() {
3464	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3465	>	CFException ex = new CFException();
3466	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3467	>	try {
3468	>	f.join();
3469	>	shouldThrow();
3470	>	} catch (CompletionException success) {}
3471	>	checkCompletedWithWrappedException(f, ex);
3472		}
3473
3474		/**
3475	<	* handleAsync action completes normally with function value on
3385	<	* either normal or exceptional completion of source
3475	>	* completeAsync with given executor completes with value of given supplier
3476		*/
3477	<	public void testHandleAsync() {
3478	<	CompletableFuture<Integer> f, g;
3479	<	IntegerHandler r;
3477	>	public void testCompleteAsync3() {
3478	>	for (Integer v1 : new Integer[] { 1, null })
3479	>	{
3480	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3481	>	ThreadExecutor executor = new ThreadExecutor();
3482	>	f.completeAsync(() -> v1, executor);
3483	>	assertSame(v1, f.join());
3484	>	checkCompletedNormally(f, v1);
3485	>	assertEquals(1, executor.count.get());
3486	>	}}
3487
3488	<	f = new CompletableFuture<>();
3489	<	g = f.handleAsync(r = new IntegerHandler());
3490	<	assertFalse(r.ran);
3491	<	f.completeExceptionally(new CFException());
3492	<	checkCompletedWithWrappedCFException(f);
3493	<	checkCompletedNormally(g, three);
3494	<	assertTrue(r.ran);
3488	>	/**
3489	>	* completeAsync with given executor completes exceptionally if
3490	>	* given supplier throws
3491	>	*/
3492	>	public void testCompleteAsync4() {
3493	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3494	>	CFException ex = new CFException();
3495	>	ThreadExecutor executor = new ThreadExecutor();
3496	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3497	>	try {
3498	>	f.join();
3499	>	shouldThrow();
3500	>	} catch (CompletionException success) {}
3501	>	checkCompletedWithWrappedException(f, ex);
3502	>	assertEquals(1, executor.count.get());
3503	>	}
3504
3505	<	f = new CompletableFuture<>();
3506	<	g = f.handleAsync(r = new IntegerHandler());
3507	<	assertFalse(r.ran);
3508	<	f.completeExceptionally(new CFException());
3509	<	checkCompletedWithWrappedCFException(f);
3510	<	checkCompletedNormally(g, three);
3511	<	assertTrue(r.ran);
3505	>	/**
3506	>	* orTimeout completes with TimeoutException if not complete
3507	>	*/
3508	>	public void testOrTimeout_timesOut() {
3509	>	long timeoutMillis = timeoutMillis();
3510	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3511	>	long startTime = System.nanoTime();
3512	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3513	>	checkCompletedWithTimeoutException(f);
3514	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3515	>	}
3516
3517	<	f = new CompletableFuture<>();
3518	<	g = f.handleAsync(r = new IntegerHandler());
3519	<	assertFalse(r.ran);
3520	<	f.complete(one);
3521	<	checkCompletedNormally(f, one);
3522	<	checkCompletedNormally(g, two);
3523	<	assertTrue(r.ran);
3517	>	/**
3518	>	* orTimeout completes normally if completed before timeout
3519	>	*/
3520	>	public void testOrTimeout_completed() {
3521	>	for (Integer v1 : new Integer[] { 1, null })
3522	>	{
3523	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3524	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3525	>	long startTime = System.nanoTime();
3526	>	f.complete(v1);
3527	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3528	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3529	>	g.complete(v1);
3530	>	checkCompletedNormally(f, v1);
3531	>	checkCompletedNormally(g, v1);
3532	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3533	>	}}
3534
3535	<	f = new CompletableFuture<>();
3536	<	g = f.handleAsync(r = new IntegerHandler());
3537	<	assertFalse(r.ran);
3538	<	f.complete(one);
3539	<	checkCompletedNormally(f, one);
3540	<	checkCompletedNormally(g, two);
3541	<	assertTrue(r.ran);
3535	>	/**
3536	>	* completeOnTimeout completes with given value if not complete
3537	>	*/
3538	>	public void testCompleteOnTimeout_timesOut() {
3539	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3540	>	() -> testCompleteOnTimeout_timesOut(null));
3541	>	}
3542	>
3543	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3544	>	long timeoutMillis = timeoutMillis();
3545	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3546	>	long startTime = System.nanoTime();
3547	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3548	>	assertSame(v, f.join());
3549	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3550	>	f.complete(99);         // should have no effect
3551	>	checkCompletedNormally(f, v);
3552		}
3553
3554		/**
3555	<	* handleAsync action with Executor completes normally with
3426	<	* function value on either normal or exceptional completion of
3427	<	* source
3555	>	* completeOnTimeout has no effect if completed within timeout
3556		*/
3557	<	public void testHandleAsync2() {
3558	<	CompletableFuture<Integer> f, g;
3559	<	ThreadExecutor exec = new ThreadExecutor();
3560	<	IntegerHandler r;
3557	>	public void testCompleteOnTimeout_completed() {
3558	>	for (Integer v1 : new Integer[] { 1, null })
3559	>	{
3560	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3561	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3562	>	long startTime = System.nanoTime();
3563	>	f.complete(v1);
3564	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3565	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3566	>	g.complete(v1);
3567	>	checkCompletedNormally(f, v1);
3568	>	checkCompletedNormally(g, v1);
3569	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3570	>	}}
3571
3572	<	f = new CompletableFuture<>();
3573	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3574	<	assertFalse(r.ran);
3575	<	f.completeExceptionally(new CFException());
3576	<	checkCompletedWithWrappedCFException(f);
3577	<	checkCompletedNormally(g, three);
3578	<	assertTrue(r.ran);
3572	>	/**
3573	>	* delayedExecutor returns an executor that delays submission
3574	>	*/
3575	>	public void testDelayedExecutor() {
3576	>	testInParallel(() -> testDelayedExecutor(null, null),
3577	>	() -> testDelayedExecutor(null, 1),
3578	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3579	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3580	>	}
3581	>
3582	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3583	>	long timeoutMillis = timeoutMillis();
3584	>	// Use an "unreasonably long" long timeout to catch lingering threads
3585	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3586	>	final Executor delayer, longDelayer;
3587	>	if (executor == null) {
3588	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3589	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3590	>	} else {
3591	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3592	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3593	>	}
3594	>	long startTime = System.nanoTime();
3595	>	CompletableFuture<Integer> f =
3596	>	CompletableFuture.supplyAsync(() -> v, delayer);
3597	>	CompletableFuture<Integer> g =
3598	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3599
3600	<	f = new CompletableFuture<>();
3443	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3444	<	assertFalse(r.ran);
3445	<	f.completeExceptionally(new CFException());
3446	<	checkCompletedWithWrappedCFException(f);
3447	<	checkCompletedNormally(g, three);
3448	<	assertTrue(r.ran);
3600	>	assertNull(g.getNow(null));
3601
3602	<	f = new CompletableFuture<>();
3603	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3604	<	assertFalse(r.ran);
3605	<	f.complete(one);
3454	<	checkCompletedNormally(f, one);
3455	<	checkCompletedNormally(g, two);
3456	<	assertTrue(r.ran);
3602	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3603	>	long millisElapsed = millisElapsedSince(startTime);
3604	>	assertTrue(millisElapsed >= timeoutMillis);
3605	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3606
3607	<	f = new CompletableFuture<>();
3608	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3609	<	assertFalse(r.ran);
3610	<	f.complete(one);
3462	<	checkCompletedNormally(f, one);
3463	<	checkCompletedNormally(g, two);
3464	<	assertTrue(r.ran);
3607	>	checkCompletedNormally(f, v);
3608	>
3609	>	checkIncomplete(g);
3610	>	assertTrue(g.cancel(true));
3611		}
3612
3613	+	//--- tests of implementation details; not part of official tck ---
3614	+
3615	+	Object resultOf(CompletableFuture<?> f) {
3616	+	try {
3617	+	java.lang.reflect.Field resultField
3618	+	= CompletableFuture.class.getDeclaredField("result");
3619	+	resultField.setAccessible(true);
3620	+	return resultField.get(f);
3621	+	} catch (Throwable t) { throw new AssertionError(t); }
3622	+	}
3623	+
3624	+	public void testExceptionPropagationReusesResultObject() {
3625	+	if (!testImplementationDetails) return;
3626	+	for (ExecutionMode m : ExecutionMode.values())
3627	+	{
3628	+	final CFException ex = new CFException();
3629	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3630	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3631	+
3632	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3633	+	= new ArrayList<>();
3634	+
3635	+	funs.add((y) -> m.thenRun(y, new Noop(m)));
3636	+	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3637	+	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3638	+
3639	+	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3640	+	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3641	+	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3642	+
3643	+	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3644	+	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3645	+	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3646	+
3647	+	funs.add((y) -> m.whenComplete(y, (Integer x, Throwable t) -> {}));
3648	+
3649	+	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3650	+
3651	+	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3652	+	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3653	+
3654	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3655	+	fun : funs) {
3656	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3657	+	f.completeExceptionally(ex);
3658	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3659	+	checkCompletedWithWrappedException(src, ex);
3660	+	CompletableFuture<?> dep = fun.apply(src);
3661	+	checkCompletedWithWrappedException(dep, ex);
3662	+	assertSame(resultOf(src), resultOf(dep));
3663	+	}
3664	+
3665	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3666	+	fun : funs) {
3667	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3668	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3669	+	CompletableFuture<?> dep = fun.apply(src);
3670	+	f.completeExceptionally(ex);
3671	+	checkCompletedWithWrappedException(src, ex);
3672	+	checkCompletedWithWrappedException(dep, ex);
3673	+	assertSame(resultOf(src), resultOf(dep));
3674	+	}
3675	+
3676	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3677	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3678	+	fun : funs) {
3679	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3680	+	f.cancel(mayInterruptIfRunning);
3681	+	checkCancelled(f);
3682	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3683	+	checkCompletedWithWrappedCancellationException(src);
3684	+	CompletableFuture<?> dep = fun.apply(src);
3685	+	checkCompletedWithWrappedCancellationException(dep);
3686	+	assertSame(resultOf(src), resultOf(dep));
3687	+	}
3688	+
3689	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3690	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3691	+	fun : funs) {
3692	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3693	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3694	+	CompletableFuture<?> dep = fun.apply(src);
3695	+	f.cancel(mayInterruptIfRunning);
3696	+	checkCancelled(f);
3697	+	checkCompletedWithWrappedCancellationException(src);
3698	+	checkCompletedWithWrappedCancellationException(dep);
3699	+	assertSame(resultOf(src), resultOf(dep));
3700	+	}
3701	+	}}
3702	+
3703	+	/**
3704	+	* Minimal completion stages throw UOE for all non-CompletionStage methods
3705	+	*/
3706	+	public void testMinimalCompletionStage_minimality() {
3707	+	if (!testImplementationDetails) return;
3708	+	Function<Method, String> toSignature =
3709	+	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3710	+	Predicate<Method> isNotStatic =
3711	+	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3712	+	List<Method> minimalMethods =
3713	+	Stream.of(Object.class, CompletionStage.class)
3714	+	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3715	+	.filter(isNotStatic)
3716	+	.collect(Collectors.toList());
3717	+	// Methods from CompletableFuture permitted NOT to throw UOE
3718	+	String[] signatureWhitelist = {
3719	+	"newIncompleteFuture[]",
3720	+	"defaultExecutor[]",
3721	+	"minimalCompletionStage[]",
3722	+	"copy[]",
3723	+	};
3724	+	Set<String> permittedMethodSignatures =
3725	+	Stream.concat(minimalMethods.stream().map(toSignature),
3726	+	Stream.of(signatureWhitelist))
3727	+	.collect(Collectors.toSet());
3728	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3729	+	.filter(isNotStatic)
3730	+	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3731	+	.collect(Collectors.toList());
3732	+
3733	+	CompletionStage<Integer> minimalStage =
3734	+	new CompletableFuture<Integer>().minimalCompletionStage();
3735	+
3736	+	List<Method> bugs = new ArrayList<>();
3737	+	for (Method method : allMethods) {
3738	+	Class<?>[] parameterTypes = method.getParameterTypes();
3739	+	Object[] args = new Object[parameterTypes.length];
3740	+	// Manufacture boxed primitives for primitive params
3741	+	for (int i = 0; i < args.length; i++) {
3742	+	Class<?> type = parameterTypes[i];
3743	+	if (parameterTypes[i] == boolean.class)
3744	+	args[i] = false;
3745	+	else if (parameterTypes[i] == int.class)
3746	+	args[i] = 0;
3747	+	else if (parameterTypes[i] == long.class)
3748	+	args[i] = 0L;
3749	+	}
3750	+	try {
3751	+	method.invoke(minimalStage, args);
3752	+	bugs.add(method);
3753	+	}
3754	+	catch (java.lang.reflect.InvocationTargetException expected) {
3755	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3756	+	bugs.add(method);
3757	+	// expected.getCause().printStackTrace();
3758	+	}
3759	+	}
3760	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3761	+	}
3762	+	if (!bugs.isEmpty())
3763	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3764	+	}
3765	+
3766	+	static class Monad {
3767	+	static class MonadError extends Error {
3768	+	public MonadError() { super("monadic zero"); }
3769	+	}
3770	+	// "return", "unit"
3771	+	static <T> CompletableFuture<T> unit(T value) {
3772	+	return completedFuture(value);
3773	+	}
3774	+	// monadic zero ?
3775	+	static <T> CompletableFuture<T> zero(T value) {
3776	+	return failedFuture(new MonadError());
3777	+	}
3778	+	// >=>
3779	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3780	+	(Function<T, CompletableFuture<U>> f,
3781	+	Function<U, CompletableFuture<V>> g) {
3782	+	return (x) -> f.apply(x).thenCompose(g);
3783	+	}
3784	+
3785	+	static void assertZero(CompletableFuture<?> f) {
3786	+	try {
3787	+	f.getNow(null);
3788	+	throw new AssertionFailedError("should throw");
3789	+	} catch (CompletionException success) {
3790	+	assertTrue(success.getCause() instanceof MonadError);
3791	+	}
3792	+	}
3793	+
3794	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
3795	+	CompletableFuture<T> g) {
3796	+	T fval = null, gval = null;
3797	+	Throwable fex = null, gex = null;
3798	+
3799	+	try { fval = f.get(); }
3800	+	catch (ExecutionException ex) { fex = ex.getCause(); }
3801	+	catch (Throwable ex) { fex = ex; }
3802	+
3803	+	try { gval = g.get(); }
3804	+	catch (ExecutionException ex) { gex = ex.getCause(); }
3805	+	catch (Throwable ex) { gex = ex; }
3806	+
3807	+	if (fex != null || gex != null)
3808	+	assertSame(fex.getClass(), gex.getClass());
3809	+	else
3810	+	assertEquals(fval, gval);
3811	+	}
3812	+
3813	+	static class PlusFuture<T> extends CompletableFuture<T> {
3814	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3815	+	}
3816	+
3817	+	// Monadic "plus"
3818	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3819	+	CompletableFuture<? extends T> g) {
3820	+	PlusFuture<T> plus = new PlusFuture<T>();
3821	+	BiConsumer<T, Throwable> action = (T result, Throwable fail) -> {
3822	+	if (result != null) {
3823	+	if (plus.complete(result))
3824	+	if (plus.firstFailure.get() != null)
3825	+	plus.firstFailure.set(null);
3826	+	}
3827	+	else if (plus.firstFailure.compareAndSet(null, fail)) {
3828	+	if (plus.isDone())
3829	+	plus.firstFailure.set(null);
3830	+	} else {
3831	+	if (plus.completeExceptionally(fail))
3832	+	plus.firstFailure.set(null);
3833	+	}
3834	+	};
3835	+	f.whenComplete(action);
3836	+	g.whenComplete(action);
3837	+	return plus;
3838	+	}
3839	+	}
3840	+
3841	+	/**
3842	+	* CompletableFuture is an additive monad - sort of.
3843	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3844	+	*/
3845	+	public void testAdditiveMonad() throws Throwable {
3846	+	// Some mutually non-commutative functions
3847	+	Function<Long, CompletableFuture<Long>> triple
3848	+	= (x) -> completedFuture(3 * x);
3849	+	Function<Long, CompletableFuture<Long>> inc
3850	+	= (x) -> completedFuture(x + 1);
3851	+
3852	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3853	+	Function<Long, CompletableFuture<Long>> zero = Monad::zero;
3854	+
3855	+	// unit is a right identity: m >>= unit === m
3856	+	Monad.assertFutureEquals(
3857	+	inc.apply(5L).thenCompose(unit),
3858	+	inc.apply(5L));
3859	+	// unit is a left identity: (unit x) >>= f === f x
3860	+	Monad.assertFutureEquals(
3861	+	unit.apply(5L).thenCompose(inc),
3862	+	inc.apply(5L));
3863	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3864	+	Monad.assertFutureEquals(
3865	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3866	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3867	+
3868	+	// zero is a monadic zero
3869	+	Monad.assertZero(zero.apply(5L));
3870	+	// left zero: zero >>= f === zero
3871	+	Monad.assertZero(zero.apply(5L).thenCompose(inc));
3872	+	// right zero: f >>= zero === zero
3873	+	Monad.assertZero(inc.apply(5L).thenCompose(zero));
3874	+
3875	+	// inc plus zero === inc
3876	+	Monad.assertFutureEquals(
3877	+	inc.apply(5L),
3878	+	Monad.plus(inc.apply(5L), zero.apply(5L)));
3879	+	// zero plus inc === inc
3880	+	Monad.assertFutureEquals(
3881	+	inc.apply(5L),
3882	+	Monad.plus(zero.apply(5L), inc.apply(5L)));
3883	+	// zero plus zero === zero
3884	+	Monad.assertZero(Monad.plus(zero.apply(5L), zero.apply(5L)));
3885	+	{
3886	+	CompletableFuture<Long> f = Monad.plus(inc.apply(5L), inc.apply(8L));
3887	+	assertTrue(f.get() == 6L || f.get() == 9L);
3888	+	}
3889	+
3890	+	CompletableFuture<Long> godot = new CompletableFuture<>();
3891	+	// inc plus godot === inc (doesn't wait for godot)
3892	+	Monad.assertFutureEquals(
3893	+	inc.apply(5L),
3894	+	Monad.plus(inc.apply(5L), godot));
3895	+	// godot plus inc === inc (doesn't wait for godot)
3896	+	Monad.assertFutureEquals(
3897	+	inc.apply(5L),
3898	+	Monad.plus(godot, inc.apply(5L)));
3899	+	}
3900	+
3901	+	//     static <U> U join(CompletionStage<U> stage) {
3902	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3903	+	//         stage.whenComplete((v, ex) -> {
3904	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3905	+	//         });
3906	+	//         return f.join();
3907	+	//     }
3908	+
3909	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
3910	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3911	+	//         stage.whenComplete((v, ex) -> {
3912	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3913	+	//         });
3914	+	//         return f.isDone();
3915	+	//     }
3916	+
3917	+	//     static <U> U join2(CompletionStage<U> stage) {
3918	+	//         return stage.toCompletableFuture().copy().join();
3919	+	//     }
3920	+
3921	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3922	+	//         return stage.toCompletableFuture().copy().isDone();
3923	+	//     }
3924	+
3925		}

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