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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.33 by jsr166, Sun Jun 1 20:40:13 2014 UTC vs.
Revision 1.136 by jsr166, Sun Nov 15 20:17:11 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);
414	>	class IncFunction extends CheckedIntegerAction
415	>	implements Function<Integer,Integer>
416	>	{
417	>	IncFunction(ExecutionMode m) { super(m); }
418	>	public Integer apply(Integer x) {
419	>	invoked();
420	>	return value = inc(x);
421	>	}
422		}
423
424	<	/**
425	<	* supplyAsync completes with result of supplier
426	<	*/
427	<	public void testSupplyAsync() {
428	<	CompletableFuture<Integer> f;
429	<	f = CompletableFuture.supplyAsync(supplyOne);
500	<	assertEquals(f.join(), one);
501	<	checkCompletedNormally(f, one);
424	>	// Choose non-commutative actions for better coverage
425	>	// A non-commutative function that handles and produces null values as well.
426	>	static Integer subtract(Integer x, Integer y) {
427	>	return (x == null && y == null) ? null :
428	>	((x == null) ? 42 : x.intValue())
429	>	- ((y == null) ? 99 : y.intValue());
430		}
431
432	<	/**
433	<	* supplyAsync with executor completes with result of supplier
434	<	*/
435	<	public void testSupplyAsync2() {
436	<	CompletableFuture<Integer> f;
437	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
438	<	assertEquals(f.join(), one);
439	<	checkCompletedNormally(f, one);
432	>	class SubtractAction extends CheckedIntegerAction
433	>	implements BiConsumer<Integer, Integer>
434	>	{
435	>	SubtractAction(ExecutionMode m) { super(m); }
436	>	public void accept(Integer x, Integer y) {
437	>	invoked();
438	>	value = subtract(x, y);
439	>	}
440		}
441
442	<	/**
443	<	* Failing supplyAsync completes exceptionally
444	<	*/
445	<	public void testSupplyAsync3() {
446	<	FailingSupplier r = new FailingSupplier();
447	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
448	<	checkCompletedWithWrappedCFException(f);
449	<	assertTrue(r.ran);
442	>	class SubtractFunction extends CheckedIntegerAction
443	>	implements BiFunction<Integer, Integer, Integer>
444	>	{
445	>	SubtractFunction(ExecutionMode m) { super(m); }
446	>	public Integer apply(Integer x, Integer y) {
447	>	invoked();
448	>	return value = subtract(x, y);
449	>	}
450		}
451
452	<	// seq completion methods
453	<
454	<	/**
455	<	* thenRun result completes normally after normal completion of source
456	<	*/
529	<	public void testThenRun() {
530	<	CompletableFuture<Integer> f;
531	<	CompletableFuture<Void> g;
532	<	Noop r;
533	<
534	<	f = new CompletableFuture<>();
535	<	g = f.thenRun(r = new Noop());
536	<	f.complete(null);
537	<	checkCompletedNormally(g, null);
538	<	assertTrue(r.ran);
539	<
540	<	f = new CompletableFuture<>();
541	<	f.complete(null);
542	<	g = f.thenRun(r = new Noop());
543	<	checkCompletedNormally(g, null);
544	<	assertTrue(r.ran);
452	>	class Noop extends CheckedAction implements Runnable {
453	>	Noop(ExecutionMode m) { super(m); }
454	>	public void run() {
455	>	invoked();
456	>	}
457		}
458
459	<	/**
460	<	* thenRun result completes exceptionally after exceptional
461	<	* completion of source
462	<	*/
463	<	public void testThenRun2() {
464	<	CompletableFuture<Integer> f;
465	<	CompletableFuture<Void> g;
466	<	Noop r;
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);
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 action does
471	<	*/
472	<	public void testThenRun3() {
473	<	CompletableFuture<Integer> f;
474	<	CompletableFuture<Void> g;
475	<	FailingNoop r;
476	<
477	<	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);
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	<	* thenRun result completes exceptionally if source cancelled
482	<	*/
483	<	public void testThenRun4() {
484	<	CompletableFuture<Integer> f;
485	<	CompletableFuture<Void> g;
486	<	Noop r;
487	<
488	<	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);
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 normally after normal completion of source
493	<	*/
494	<	public void testThenApply() {
495	<	CompletableFuture<Integer> f = new CompletableFuture<>();
496	<	CompletableFuture<Integer> g = f.thenApply(inc);
497	<	f.complete(one);
498	<	checkCompletedNormally(g, two);
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 after exceptional
504	<	* completion of source
505	<	*/
506	<	public void testThenApply2() {
507	<	CompletableFuture<Integer> f = new CompletableFuture<>();
508	<	CompletableFuture<Integer> g = f.thenApply(inc);
509	<	f.completeExceptionally(new CFException());
510	<	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 action does
515	<	*/
516	<	public void testThenApply3() {
517	<	CompletableFuture<Integer> f = new CompletableFuture<>();
518	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
634	<	f.complete(one);
635	<	checkCompletedWithWrappedCFException(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	<	* thenApply result completes exceptionally if source cancelled
523	<	*/
524	<	public void testThenApply4() {
525	<	CompletableFuture<Integer> f = new CompletableFuture<>();
526	<	CompletableFuture<Integer> g = f.thenApply(inc);
527	<	assertTrue(f.cancel(true));
528	<	checkCompletedWithWrappedCancellationException(g);
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 normally after normal completion of source
536	<	*/
537	<	public void testThenAccept() {
538	<	CompletableFuture<Integer> f = new CompletableFuture<>();
539	<	IncAction r = new IncAction();
540	<	CompletableFuture<Void> g = f.thenAccept(r);
541	<	f.complete(one);
542	<	checkCompletedNormally(g, null);
657	<	assertEquals(r.value, 2);
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 after exceptional
547	<	* completion of source
548	<	*/
549	<	public void testThenAccept2() {
550	<	CompletableFuture<Integer> f = new CompletableFuture<>();
551	<	IncAction r = new IncAction();
667	<	CompletableFuture<Void> g = f.thenAccept(r);
668	<	f.completeExceptionally(new CFException());
669	<	checkCompletedWithWrappedCFException(g);
670	<	}
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 action does
555	<	*/
556	<	public void testThenAccept3() {
676	<	CompletableFuture<Integer> f = new CompletableFuture<>();
677	<	FailingConsumer r = new FailingConsumer();
678	<	CompletableFuture<Void> g = f.thenAccept(r);
679	<	f.complete(one);
680	<	checkCompletedWithWrappedCFException(g);
681	<	assertTrue(r.ran);
553	>	public void execute(Runnable r) {
554	>	count.getAndIncrement();
555	>	new Thread(tg, r).start();
556	>	}
557		}
558
559	<	/**
560	<	* thenAccept result completes exceptionally if source cancelled
686	<	*/
687	<	public void testThenAccept4() {
688	<	CompletableFuture<Integer> f = new CompletableFuture<>();
689	<	IncAction r = new IncAction();
690	<	CompletableFuture<Void> g = f.thenAccept(r);
691	<	assertTrue(f.cancel(true));
692	<	checkCompletedWithWrappedCancellationException(g);
693	<	}
559	>	static final boolean defaultExecutorIsCommonPool
560	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
561
562		/**
563	<	* thenCombine result completes normally after normal completion
564	<	* of sources
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 testThenCombine() {
567	<	CompletableFuture<Integer> f, g, 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	<	h = f.thenCombine(g, subtract);
644	<	f.complete(3);
645	<	checkIncomplete(h);
646	<	g.complete(1);
647	<	checkCompletedNormally(h, 2);
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	<	h = f.thenCombine(g, subtract);
718	<	g.complete(1);
719	<	checkIncomplete(h);
720	<	f.complete(3);
721	<	checkCompletedNormally(h, 2);
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	<	f = new CompletableFuture<>();
789	<	g = new CompletableFuture<>();
790	<	g.complete(1);
791	<	f.complete(3);
792	<	h = f.thenCombine(g, subtract);
793	<	checkCompletedNormally(h, 2);
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 after exceptional
832	<	* completion of either source
831	>	* exceptionally action is not invoked when source completes
832	>	* normally, and source result is propagated
833		*/
834	<	public void testThenCombine2() {
835	<	CompletableFuture<Integer> f, g, h;
836	<
837	<	f = new CompletableFuture<>();
838	<	g = new CompletableFuture<>();
839	<	h = f.thenCombine(g, subtract);
840	<	f.completeExceptionally(new CFException());
841	<	checkIncomplete(h);
842	<	g.complete(1);
843	<	checkCompletedWithWrappedCFException(h);
844	<
845	<	f = new CompletableFuture<>();
846	<	g = new CompletableFuture<>();
847	<	h = f.thenCombine(g, subtract);
744	<	g.completeExceptionally(new CFException());
745	<	checkIncomplete(h);
746	<	f.complete(3);
747	<	checkCompletedWithWrappedCFException(h);
748	<
749	<	f = new CompletableFuture<>();
750	<	g = new CompletableFuture<>();
751	<	f.complete(3);
752	<	g.completeExceptionally(new CFException());
753	<	h = f.thenCombine(g, subtract);
754	<	checkCompletedWithWrappedCFException(h);
755	<
756	<	f = new CompletableFuture<>();
757	<	g = new CompletableFuture<>();
758	<	f.completeExceptionally(new CFException());
759	<	g.complete(3);
760	<	h = f.thenCombine(g, subtract);
761	<	checkCompletedWithWrappedCFException(h);
762	<	}
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	<	/**
850	<	* thenCombine result completes exceptionally if action does
851	<	*/
852	<	public void testThenCombine3() {
768	<	CompletableFuture<Integer> f = new CompletableFuture<>();
769	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
770	<	FailingBiFunction r = new FailingBiFunction();
771	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
772	<	f.complete(one);
773	<	checkIncomplete(g);
774	<	assertFalse(r.ran);
775	<	f2.complete(two);
776	<	checkCompletedWithWrappedCFException(g);
777	<	assertTrue(r.ran);
778	<	}
849	>	checkCompletedNormally(g, v1);
850	>	checkCompletedNormally(f, v1);
851	>	assertEquals(0, a.get());
852	>	}}
853
854		/**
855	<	* thenCombine result completes exceptionally if either source cancelled
855	>	* exceptionally action completes with function value on source
856	>	* exception
857		*/
858	<	public void testThenCombine4() {
859	<	CompletableFuture<Integer> f, g, h;
860	<
861	<	f = new CompletableFuture<>();
862	<	g = new CompletableFuture<>();
863	<	h = f.thenCombine(g, subtract);
864	<	assertTrue(f.cancel(true));
865	<	checkIncomplete(h);
866	<	g.complete(1);
867	<	checkCompletedWithWrappedCancellationException(h);
868	<
869	<	f = new CompletableFuture<>();
870	<	g = new CompletableFuture<>();
871	<	h = f.thenCombine(g, subtract);
872	<	assertTrue(g.cancel(true));
873	<	checkIncomplete(h);
799	<	f.complete(3);
800	<	checkCompletedWithWrappedCancellationException(h);
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	<	assertTrue(f.cancel(true));
805	<	assertTrue(g.cancel(true));
806	<	h = f.thenCombine(g, subtract);
807	<	checkCompletedWithWrappedCancellationException(h);
808	<	}
875	>	checkCompletedNormally(g, v1);
876	>	assertEquals(1, a.get());
877	>	}}
878
879		/**
880	<	* thenAcceptBoth result completes normally after normal
881	<	* completion of sources
880	>	* If an "exceptionally action" throws an exception, it completes
881	>	* exceptionally with that exception
882		*/
883	<	public void testThenAcceptBoth() {
884	<	CompletableFuture<Integer> f, g;
885	<	CompletableFuture<Void> h;
886	<	SubtractAction r;
887	<
888	<	f = new CompletableFuture<>();
889	<	g = new CompletableFuture<>();
890	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
891	<	f.complete(3);
892	<	checkIncomplete(h);
893	<	g.complete(1);
894	<	checkCompletedNormally(h, null);
895	<	assertEquals(r.value, 2);
896	<
897	<	f = new CompletableFuture<>();
898	<	g = new CompletableFuture<>();
899	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
900	<	g.complete(1);
901	<	checkIncomplete(h);
902	<	f.complete(3);
903	<	checkCompletedNormally(h, null);
835	<	assertEquals(r.value, 2);
836	<
837	<	f = new CompletableFuture<>();
838	<	g = new CompletableFuture<>();
839	<	g.complete(1);
840	<	f.complete(3);
841	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
842	<	checkCompletedNormally(h, null);
843	<	assertEquals(r.value, 2);
844	<	}
883	>	public void testExceptionally_exceptionalCompletionActionFailed() {
884	>	for (boolean createIncomplete : new boolean[] { true, false })
885	>	{
886	>	final AtomicInteger a = new AtomicInteger(0);
887	>	final CFException ex1 = new CFException();
888	>	final CFException ex2 = new CFException();
889	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
890	>	if (!createIncomplete) f.completeExceptionally(ex1);
891	>	final CompletableFuture<Integer> g = f.exceptionally
892	>	((Throwable t) -> {
893	>	ExecutionMode.SYNC.checkExecutionMode();
894	>	threadAssertSame(t, ex1);
895	>	a.getAndIncrement();
896	>	throw ex2;
897	>	});
898	>	if (createIncomplete) f.completeExceptionally(ex1);
899	>
900	>	checkCompletedWithWrappedException(g, ex2);
901	>	checkCompletedExceptionally(f, ex1);
902	>	assertEquals(1, a.get());
903	>	}}
904
905		/**
906	<	* thenAcceptBoth result completes exceptionally after exceptional
907	<	* completion of either source
906	>	* whenComplete action executes on normal completion, propagating
907	>	* source result.
908		*/
909	<	public void testThenAcceptBoth2() {
910	<	CompletableFuture<Integer> f, g;
911	<	CompletableFuture<Void> h;
912	<	SubtractAction r;
913	<
914	<	f = new CompletableFuture<>();
915	<	g = new CompletableFuture<>();
916	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
917	<	f.completeExceptionally(new CFException());
918	<	checkIncomplete(h);
919	<	g.complete(1);
920	<	checkCompletedWithWrappedCFException(h);
921	<
922	<	f = new CompletableFuture<>();
923	<	g = new CompletableFuture<>();
924	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
925	<	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);
909	>	public void testWhenComplete_normalCompletion() {
910	>	for (ExecutionMode m : ExecutionMode.values())
911	>	for (boolean createIncomplete : new boolean[] { true, false })
912	>	for (Integer v1 : new Integer[] { 1, null })
913	>	{
914	>	final AtomicInteger a = new AtomicInteger(0);
915	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
916	>	if (!createIncomplete) assertTrue(f.complete(v1));
917	>	final CompletableFuture<Integer> g = m.whenComplete
918	>	(f,
919	>	(Integer result, Throwable t) -> {
920	>	m.checkExecutionMode();
921	>	threadAssertSame(result, v1);
922	>	threadAssertNull(t);
923	>	a.getAndIncrement();
924	>	});
925	>	if (createIncomplete) assertTrue(f.complete(v1));
926
927	<	f = new CompletableFuture<>();
928	<	g = new CompletableFuture<>();
929	<	f.completeExceptionally(new CFException());
930	<	g.complete(3);
882	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
883	<	checkCompletedWithWrappedCFException(h);
884	<	}
927	>	checkCompletedNormally(g, v1);
928	>	checkCompletedNormally(f, v1);
929	>	assertEquals(1, a.get());
930	>	}}
931
932		/**
933	<	* thenAcceptBoth result completes exceptionally if action does
933	>	* whenComplete action executes on exceptional completion, propagating
934	>	* source result.
935		*/
936	<	public void testThenAcceptBoth3() {
937	<	CompletableFuture<Integer> f, g;
938	<	CompletableFuture<Void> h;
939	<	FailingBiConsumer r;
940	<
941	<	f = new CompletableFuture<>();
942	<	g = new CompletableFuture<>();
943	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
944	<	f.complete(3);
945	<	checkIncomplete(h);
946	<	g.complete(1);
947	<	checkCompletedWithWrappedCFException(h);
948	<
949	<	f = new CompletableFuture<>();
950	<	g = new CompletableFuture<>();
951	<	f.complete(3);
952	<	g.complete(1);
953	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
954	<	checkCompletedWithWrappedCFException(h);
955	<	}
936	>	public void testWhenComplete_exceptionalCompletion() {
937	>	for (ExecutionMode m : ExecutionMode.values())
938	>	for (boolean createIncomplete : new boolean[] { true, false })
939	>	{
940	>	final AtomicInteger a = new AtomicInteger(0);
941	>	final CFException ex = new CFException();
942	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
943	>	if (!createIncomplete) f.completeExceptionally(ex);
944	>	final CompletableFuture<Integer> g = m.whenComplete
945	>	(f,
946	>	(Integer result, Throwable t) -> {
947	>	m.checkExecutionMode();
948	>	threadAssertNull(result);
949	>	threadAssertSame(t, ex);
950	>	a.getAndIncrement();
951	>	});
952	>	if (createIncomplete) f.completeExceptionally(ex);
953	>
954	>	checkCompletedWithWrappedException(g, ex);
955	>	checkCompletedExceptionally(f, ex);
956	>	assertEquals(1, a.get());
957	>	}}
958
959		/**
960	<	* thenAcceptBoth result completes exceptionally if either source cancelled
960	>	* whenComplete action executes on cancelled source, propagating
961	>	* CancellationException.
962		*/
963	<	public void testThenAcceptBoth4() {
964	<	CompletableFuture<Integer> f, g;
965	<	CompletableFuture<Void> h;
966	<	SubtractAction r;
967	<
968	<	f = new CompletableFuture<>();
969	<	g = new CompletableFuture<>();
970	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
971	<	assertTrue(f.cancel(true));
972	<	checkIncomplete(h);
973	<	g.complete(1);
974	<	checkCompletedWithWrappedCancellationException(h);
975	<
976	<	f = new CompletableFuture<>();
977	<	g = new CompletableFuture<>();
978	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
979	<	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);
963	>	public void testWhenComplete_sourceCancelled() {
964	>	for (ExecutionMode m : ExecutionMode.values())
965	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
966	>	for (boolean createIncomplete : new boolean[] { true, false })
967	>	{
968	>	final AtomicInteger a = new AtomicInteger(0);
969	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
970	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
971	>	final CompletableFuture<Integer> g = m.whenComplete
972	>	(f,
973	>	(Integer result, Throwable t) -> {
974	>	m.checkExecutionMode();
975	>	threadAssertNull(result);
976	>	threadAssertTrue(t instanceof CancellationException);
977	>	a.getAndIncrement();
978	>	});
979	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
980
981	<	f = new CompletableFuture<>();
982	<	g = new CompletableFuture<>();
983	<	assertTrue(f.cancel(true));
984	<	g.complete(3);
945	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
946	<	checkCompletedWithWrappedCancellationException(h);
947	<	}
981	>	checkCompletedWithWrappedCancellationException(g);
982	>	checkCancelled(f);
983	>	assertEquals(1, a.get());
984	>	}}
985
986		/**
987	<	* runAfterBoth result completes normally after normal
988	<	* completion of sources
987	>	* If a whenComplete action throws an exception when triggered by
988	>	* a normal completion, it completes exceptionally
989		*/
990	<	public void testRunAfterBoth_normalCompletion1() {
991	<	for (Integer v1 : new Integer[] { 1, null })
992	<	for (Integer v2 : new Integer[] { 2, null }) {
956	<
957	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
958	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
959	<	final Noop r = new Noop();
960	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
961	<
962	<	f.complete(v1);
963	<	checkIncomplete(h);
964	<	assertFalse(r.ran);
965	<	g.complete(v2);
966	<
967	<	checkCompletedNormally(h, null);
968	<	assertTrue(r.ran);
969	<	checkCompletedNormally(f, v1);
970	<	checkCompletedNormally(g, v2);
971	<	}
972	<	}
973	<
974	<	public void testRunAfterBoth_normalCompletion2() {
990	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
991	>	for (boolean createIncomplete : new boolean[] { true, false })
992	>	for (ExecutionMode m : ExecutionMode.values())
993		for (Integer v1 : new Integer[] { 1, null })
994	<	for (Integer v2 : new Integer[] { 2, null }) {
995	<
996	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
979	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
980	<	final Noop r = new Noop();
981	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
982	<
983	<	g.complete(v2);
984	<	checkIncomplete(h);
985	<	assertFalse(r.ran);
986	<	f.complete(v1);
987	<
988	<	checkCompletedNormally(h, null);
989	<	assertTrue(r.ran);
990	<	checkCompletedNormally(f, v1);
991	<	checkCompletedNormally(g, v2);
992	<	}
993	<	}
994	<
995	<	public void testRunAfterBoth_normalCompletion3() {
996	<	for (Integer v1 : new Integer[] { 1, null })
997	<	for (Integer v2 : new Integer[] { 2, null }) {
998	<
999	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1000	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1001	<	final Noop r = new Noop();
1002	<
1003	<	g.complete(v2);
1004	<	f.complete(v1);
1005	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1006	<
1007	<	checkCompletedNormally(h, null);
1008	<	assertTrue(r.ran);
1009	<	checkCompletedNormally(f, v1);
1010	<	checkCompletedNormally(g, v2);
1011	<	}
1012	<	}
1013	<
1014	<	public void testRunAfterBoth_normalCompletion4() {
1015	<	for (Integer v1 : new Integer[] { 1, null })
1016	<	for (Integer v2 : new Integer[] { 2, null }) {
1017	<
994	>	{
995	>	final AtomicInteger a = new AtomicInteger(0);
996	>	final CFException ex = new CFException();
997		final CompletableFuture<Integer> f = new CompletableFuture<>();
998	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
999	<	final Noop r = new Noop();
998	>	if (!createIncomplete) assertTrue(f.complete(v1));
999	>	final CompletableFuture<Integer> g = m.whenComplete
1000	>	(f,
1001	>	(Integer result, Throwable t) -> {
1002	>	m.checkExecutionMode();
1003	>	threadAssertSame(result, v1);
1004	>	threadAssertNull(t);
1005	>	a.getAndIncrement();
1006	>	throw ex;
1007	>	});
1008	>	if (createIncomplete) assertTrue(f.complete(v1));
1009
1010	<	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);
1010	>	checkCompletedWithWrappedException(g, ex);
1011		checkCompletedNormally(f, v1);
1012	<	checkCompletedNormally(g, v2);
1013	<	}
1031	<	}
1012	>	assertEquals(1, a.get());
1013	>	}}
1014
1015		/**
1016	<	* runAfterBoth result completes exceptionally after exceptional
1017	<	* completion of either source
1016	>	* If a whenComplete action throws an exception when triggered by
1017	>	* a source completion that also throws an exception, the source
1018	>	* exception takes precedence (unlike handle)
1019		*/
1020	<	public void testRunAfterBoth_exceptionalCompletion1() {
1021	<	for (Integer v1 : new Integer[] { 1, null }) {
1022	<
1020	>	public void testWhenComplete_sourceFailedActionFailed() {
1021	>	for (boolean createIncomplete : new boolean[] { true, false })
1022	>	for (ExecutionMode m : ExecutionMode.values())
1023	>	{
1024	>	final AtomicInteger a = new AtomicInteger(0);
1025	>	final CFException ex1 = new CFException();
1026	>	final CFException ex2 = new CFException();
1027		final CompletableFuture<Integer> f = new CompletableFuture<>();
1041	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1042	–	final Noop r = new Noop();
1043	–	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1044	–	final CFException ex = new CFException();
1045	–
1046	–	f.completeExceptionally(ex);
1047	–	checkIncomplete(h);
1048	–	g.complete(v1);
1049	–
1050	–	checkCompletedWithWrappedCFException(h, ex);
1051	–	checkCompletedWithWrappedCFException(f, ex);
1052	–	assertFalse(r.ran);
1053	–	checkCompletedNormally(g, v1);
1054	–	}
1055	–	}
1056	–
1057	–	public void testRunAfterBoth_exceptionalCompletion2() {
1058	–	for (Integer v1 : new Integer[] { 1, null }) {
1059	–
1060	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1061	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1062	–	final Noop r = new Noop();
1063	–	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1064	–	final CFException ex = new CFException();
1065	–
1066	–	g.completeExceptionally(ex);
1067	–	checkIncomplete(h);
1068	–	f.complete(v1);
1069	–
1070	–	checkCompletedWithWrappedCFException(h, ex);
1071	–	checkCompletedWithWrappedCFException(g, ex);
1072	–	assertFalse(r.ran);
1073	–	checkCompletedNormally(f, v1);
1074	–	}
1075	–	}
1076	–
1077	–	public void testRunAfterBoth_exceptionalCompletion3() {
1078	–	for (Integer v1 : new Integer[] { 1, null }) {
1028
1029	+	if (!createIncomplete) f.completeExceptionally(ex1);
1030	+	final CompletableFuture<Integer> g = m.whenComplete
1031	+	(f,
1032	+	(Integer result, Throwable t) -> {
1033	+	m.checkExecutionMode();
1034	+	threadAssertSame(t, ex1);
1035	+	threadAssertNull(result);
1036	+	a.getAndIncrement();
1037	+	throw ex2;
1038	+	});
1039	+	if (createIncomplete) f.completeExceptionally(ex1);
1040	+
1041	+	checkCompletedWithWrappedException(g, ex1);
1042	+	checkCompletedExceptionally(f, ex1);
1043	+	assertEquals(1, a.get());
1044	+	}}
1045	+
1046	+	/**
1047	+	* handle action completes normally with function value on normal
1048	+	* completion of source
1049	+	*/
1050	+	public void testHandle_normalCompletion() {
1051	+	for (ExecutionMode m : ExecutionMode.values())
1052	+	for (boolean createIncomplete : new boolean[] { true, false })
1053	+	for (Integer v1 : new Integer[] { 1, null })
1054	+	{
1055		final CompletableFuture<Integer> f = new CompletableFuture<>();
1056	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1057	<	final Noop r = new Noop();
1058	<	final CFException ex = new CFException();
1059	<
1060	<	g.completeExceptionally(ex);
1061	<	f.complete(v1);
1062	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1056	>	final AtomicInteger a = new AtomicInteger(0);
1057	>	if (!createIncomplete) assertTrue(f.complete(v1));
1058	>	final CompletableFuture<Integer> g = m.handle
1059	>	(f,
1060	>	(Integer result, Throwable t) -> {
1061	>	m.checkExecutionMode();
1062	>	threadAssertSame(result, v1);
1063	>	threadAssertNull(t);
1064	>	a.getAndIncrement();
1065	>	return inc(v1);
1066	>	});
1067	>	if (createIncomplete) assertTrue(f.complete(v1));
1068
1069	<	checkCompletedWithWrappedCFException(h, ex);
1090	<	checkCompletedWithWrappedCFException(g, ex);
1091	<	assertFalse(r.ran);
1069	>	checkCompletedNormally(g, inc(v1));
1070		checkCompletedNormally(f, v1);
1071	<	}
1072	<	}
1095	<
1096	<	public void testRunAfterBoth_exceptionalCompletion4() {
1097	<	for (Integer v1 : new Integer[] { 1, null }) {
1098	<
1099	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1100	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1101	<	final Noop r = new Noop();
1102	<	final CFException ex = new CFException();
1103	<
1104	<	f.completeExceptionally(ex);
1105	<	g.complete(v1);
1106	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1107	<
1108	<	checkCompletedWithWrappedCFException(h, ex);
1109	<	checkCompletedWithWrappedCFException(f, ex);
1110	<	assertFalse(r.ran);
1111	<	checkCompletedNormally(g, v1);
1112	<	}
1113	<	}
1071	>	assertEquals(1, a.get());
1072	>	}}
1073
1074		/**
1075	<	* runAfterBoth result completes exceptionally if action does
1075	>	* handle action completes normally with function value on
1076	>	* exceptional completion of source
1077		*/
1078	<	public void testRunAfterBoth_actionFailed1() {
1078	>	public void testHandle_exceptionalCompletion() {
1079	>	for (ExecutionMode m : ExecutionMode.values())
1080	>	for (boolean createIncomplete : new boolean[] { true, false })
1081		for (Integer v1 : new Integer[] { 1, null })
1082	<	for (Integer v2 : new Integer[] { 2, null }) {
1121	<
1082	>	{
1083		final CompletableFuture<Integer> f = new CompletableFuture<>();
1084	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1085	<	final FailingNoop r = new FailingNoop();
1086	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1087	<
1088	<	f.complete(v1);
1089	<	checkIncomplete(h);
1090	<	g.complete(v2);
1091	<
1092	<	checkCompletedWithWrappedCFException(h);
1093	<	checkCompletedNormally(f, v1);
1094	<	checkCompletedNormally(g, v2);
1095	<	}
1096	<	}
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);
1084	>	final AtomicInteger a = new AtomicInteger(0);
1085	>	final CFException ex = new CFException();
1086	>	if (!createIncomplete) f.completeExceptionally(ex);
1087	>	final CompletableFuture<Integer> g = m.handle
1088	>	(f,
1089	>	(Integer result, Throwable t) -> {
1090	>	m.checkExecutionMode();
1091	>	threadAssertNull(result);
1092	>	threadAssertSame(t, ex);
1093	>	a.getAndIncrement();
1094	>	return v1;
1095	>	});
1096	>	if (createIncomplete) f.completeExceptionally(ex);
1097
1098	<	checkCompletedWithWrappedCFException(h);
1099	<	checkCompletedNormally(f, v1);
1100	<	checkCompletedNormally(g, v2);
1101	<	}
1154	<	}
1098	>	checkCompletedNormally(g, v1);
1099	>	checkCompletedExceptionally(f, ex);
1100	>	assertEquals(1, a.get());
1101	>	}}
1102
1103		/**
1104	<	* runAfterBoth result completes exceptionally if either source cancelled
1104	>	* handle action completes normally with function value on
1105	>	* cancelled source
1106		*/
1107	<	public void testRunAfterBoth_sourceCancelled1() {
1107	>	public void testHandle_sourceCancelled() {
1108	>	for (ExecutionMode m : ExecutionMode.values())
1109		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1110	<	for (Integer v1 : new Integer[] { 1, null }) {
1111	<
1110	>	for (boolean createIncomplete : new boolean[] { true, false })
1111	>	for (Integer v1 : new Integer[] { 1, null })
1112	>	{
1113		final CompletableFuture<Integer> f = new CompletableFuture<>();
1114	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1115	<	final Noop r = new Noop();
1116	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1114	>	final AtomicInteger a = new AtomicInteger(0);
1115	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1116	>	final CompletableFuture<Integer> g = m.handle
1117	>	(f,
1118	>	(Integer result, Throwable t) -> {
1119	>	m.checkExecutionMode();
1120	>	threadAssertNull(result);
1121	>	threadAssertTrue(t instanceof CancellationException);
1122	>	a.getAndIncrement();
1123	>	return v1;
1124	>	});
1125	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1126
1168	–	assertTrue(f.cancel(mayInterruptIfRunning));
1169	–	checkIncomplete(h);
1170	–	g.complete(v1);
1171	–
1172	–	checkCompletedWithWrappedCancellationException(h);
1173	–	checkCancelled(f);
1174	–	assertFalse(r.ran);
1127		checkCompletedNormally(g, v1);
1176	–	}
1177	–	}
1178	–
1179	–	public void testRunAfterBoth_sourceCancelled2() {
1180	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1181	–	for (Integer v1 : new Integer[] { 1, null }) {
1182	–
1183	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1184	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1185	–	final Noop r = new Noop();
1186	–	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1187	–
1188	–	assertTrue(g.cancel(mayInterruptIfRunning));
1189	–	checkIncomplete(h);
1190	–	f.complete(v1);
1191	–
1192	–	checkCompletedWithWrappedCancellationException(h);
1193	–	checkCancelled(g);
1194	–	assertFalse(r.ran);
1195	–	checkCompletedNormally(f, v1);
1196	–	}
1197	–	}
1198	–
1199	–	public void testRunAfterBoth_sourceCancelled3() {
1200	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1201	–	for (Integer v1 : new Integer[] { 1, null }) {
1202	–
1203	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1204	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1205	–	final Noop r = new Noop();
1206	–
1207	–	assertTrue(g.cancel(mayInterruptIfRunning));
1208	–	f.complete(v1);
1209	–	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1210	–
1211	–	checkCompletedWithWrappedCancellationException(h);
1212	–	checkCancelled(g);
1213	–	assertFalse(r.ran);
1214	–	checkCompletedNormally(f, v1);
1215	–	}
1216	–	}
1217	–
1218	–	public void testRunAfterBoth_sourceCancelled4() {
1219	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1220	–	for (Integer v1 : new Integer[] { 1, null }) {
1221	–
1222	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1223	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1224	–	final Noop r = new Noop();
1225	–
1226	–	assertTrue(f.cancel(mayInterruptIfRunning));
1227	–	g.complete(v1);
1228	–	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1229	–
1230	–	checkCompletedWithWrappedCancellationException(h);
1128		checkCancelled(f);
1129	<	assertFalse(r.ran);
1130	<	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	<	}
1129	>	assertEquals(1, a.get());
1130	>	}}
1131
1132		/**
1133	<	* applyToEither result completes exceptionally after exceptional
1134	<	* 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	<	}
1375	<
1376	<	/**
1377	<	* runAfterEither result completes normally after normal completion
1378	<	* of either source
1379	<	*/
1380	<	public void testRunAfterEither() {
1381	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1382	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1383	<	Noop r = new Noop();
1384	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1385	<	f.complete(one);
1386	<	checkCompletedNormally(g, null);
1387	<	f2.complete(one);
1388	<	checkCompletedNormally(g, null);
1389	<	assertTrue(r.ran);
1390	<
1391	<	r = new Noop();
1392	<	f = new CompletableFuture<>();
1393	<	f.complete(one);
1394	<	f2 = new CompletableFuture<>();
1395	<	g = f.runAfterEither(f2, r);
1396	<	checkCompletedNormally(g, null);
1397	<	assertTrue(r.ran);
1398	<	}
1399	<
1400	<	/**
1401	<	* runAfterEither result completes exceptionally after exceptional
1402	<	* completion of either source
1133	>	* If a "handle action" throws an exception when triggered by
1134	>	* a normal completion, it completes exceptionally
1135		*/
1136	<	public void testRunAfterEither2() {
1137	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1138	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1139	<	Noop r = new Noop();
1140	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1141	<	f.completeExceptionally(new CFException());
1142	<	f2.complete(one);
1143	<	checkCompletedWithWrappedCFException(g);
1136	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1137	>	for (ExecutionMode m : ExecutionMode.values())
1138	>	for (boolean createIncomplete : new boolean[] { true, false })
1139	>	for (Integer v1 : new Integer[] { 1, null })
1140	>	{
1141	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1142	>	final AtomicInteger a = new AtomicInteger(0);
1143	>	final CFException ex = new CFException();
1144	>	if (!createIncomplete) assertTrue(f.complete(v1));
1145	>	final CompletableFuture<Integer> g = m.handle
1146	>	(f,
1147	>	(Integer result, Throwable t) -> {
1148	>	m.checkExecutionMode();
1149	>	threadAssertSame(result, v1);
1150	>	threadAssertNull(t);
1151	>	a.getAndIncrement();
1152	>	throw ex;
1153	>	});
1154	>	if (createIncomplete) assertTrue(f.complete(v1));
1155
1156	<	r = new Noop();
1157	<	f = new CompletableFuture<>();
1158	<	f2 = new CompletableFuture<>();
1159	<	f2.completeExceptionally(new CFException());
1417	<	g = f.runAfterEither(f2, r);
1418	<	checkCompletedWithWrappedCFException(g);
1419	<	}
1156	>	checkCompletedWithWrappedException(g, ex);
1157	>	checkCompletedNormally(f, v1);
1158	>	assertEquals(1, a.get());
1159	>	}}
1160
1161		/**
1162	<	* runAfterEither result completes exceptionally if action does
1163	<	*/
1164	<	public void testRunAfterEither3() {
1165	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1166	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1167	<	FailingNoop r = new FailingNoop();
1168	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1169	<	f2.complete(two);
1170	<	checkCompletedWithWrappedCFException(g);
1171	<	}
1162	>	* If a "handle action" throws an exception when triggered by
1163	>	* a source completion that also throws an exception, the action
1164	>	* exception takes precedence (unlike whenComplete)
1165	>	*/
1166	>	public void testHandle_sourceFailedActionFailed() {
1167	>	for (boolean createIncomplete : new boolean[] { true, false })
1168	>	for (ExecutionMode m : ExecutionMode.values())
1169	>	{
1170	>	final AtomicInteger a = new AtomicInteger(0);
1171	>	final CFException ex1 = new CFException();
1172	>	final CFException ex2 = new CFException();
1173	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1174
1175	<	/**
1176	<	* runAfterEither result completes exceptionally if either source cancelled
1177	<	*/
1178	<	public void testRunAfterEither4() {
1179	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1180	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1181	<	Noop r = new Noop();
1182	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1183	<	assertTrue(f.cancel(true));
1184	<	checkCompletedWithWrappedCancellationException(g);
1185	<	f = new CompletableFuture<>();
1186	<	f2 = new CompletableFuture<>();
1187	<	assertTrue(f2.cancel(true));
1188	<	checkCompletedWithWrappedCancellationException(g);
1189	<	}
1175	>	if (!createIncomplete) f.completeExceptionally(ex1);
1176	>	final CompletableFuture<Integer> g = m.handle
1177	>	(f,
1178	>	(Integer result, Throwable t) -> {
1179	>	m.checkExecutionMode();
1180	>	threadAssertNull(result);
1181	>	threadAssertSame(ex1, t);
1182	>	a.getAndIncrement();
1183	>	throw ex2;
1184	>	});
1185	>	if (createIncomplete) f.completeExceptionally(ex1);
1186	>
1187	>	checkCompletedWithWrappedException(g, ex2);
1188	>	checkCompletedExceptionally(f, ex1);
1189	>	assertEquals(1, a.get());
1190	>	}}
1191
1192		/**
1193	<	* thenCompose result completes normally after normal completion of source
1193	>	* runAsync completes after running Runnable
1194		*/
1195	<	public void testThenCompose() {
1196	<	CompletableFuture<Integer> f, g;
1197	<	CompletableFutureInc r;
1198	<
1199	<	f = new CompletableFuture<>();
1200	<	g = f.thenCompose(r = new CompletableFutureInc());
1201	<	f.complete(one);
1202	<	checkCompletedNormally(g, two);
1203	<	assertTrue(r.ran);
1204	<
1205	<	f = new CompletableFuture<>();
1206	<	f.complete(one);
1207	<	g = f.thenCompose(r = new CompletableFutureInc());
1465	<	checkCompletedNormally(g, two);
1466	<	assertTrue(r.ran);
1467	<	}
1195	>	public void testRunAsync_normalCompletion() {
1196	>	ExecutionMode[] executionModes = {
1197	>	ExecutionMode.ASYNC,
1198	>	ExecutionMode.EXECUTOR,
1199	>	};
1200	>	for (ExecutionMode m : executionModes)
1201	>	{
1202	>	final Noop r = new Noop(m);
1203	>	final CompletableFuture<Void> f = m.runAsync(r);
1204	>	assertNull(f.join());
1205	>	checkCompletedNormally(f, null);
1206	>	r.assertInvoked();
1207	>	}}
1208
1209		/**
1210	<	* thenCompose result completes exceptionally after exceptional
1471	<	* completion of source
1210	>	* failing runAsync completes exceptionally after running Runnable
1211		*/
1212	<	public void testThenCompose2() {
1213	<	CompletableFuture<Integer> f, g;
1214	<	CompletableFutureInc r;
1215	<
1216	<	f = new CompletableFuture<>();
1217	<	g = f.thenCompose(r = new CompletableFutureInc());
1218	<	f.completeExceptionally(new CFException());
1219	<	checkCompletedWithWrappedCFException(g);
1220	<
1221	<	f = new CompletableFuture<>();
1222	<	f.completeExceptionally(new CFException());
1223	<	g = f.thenCompose(r = new CompletableFutureInc());
1485	<	checkCompletedWithWrappedCFException(g);
1486	<	}
1212	>	public void testRunAsync_exceptionalCompletion() {
1213	>	ExecutionMode[] executionModes = {
1214	>	ExecutionMode.ASYNC,
1215	>	ExecutionMode.EXECUTOR,
1216	>	};
1217	>	for (ExecutionMode m : executionModes)
1218	>	{
1219	>	final FailingRunnable r = new FailingRunnable(m);
1220	>	final CompletableFuture<Void> f = m.runAsync(r);
1221	>	checkCompletedWithWrappedCFException(f);
1222	>	r.assertInvoked();
1223	>	}}
1224
1225		/**
1226	<	* thenCompose result completes exceptionally if action does
1226	>	* supplyAsync completes with result of supplier
1227		*/
1228	<	public void testThenCompose3() {
1229	<	CompletableFuture<Integer> f, g;
1230	<	FailingCompletableFutureFunction r;
1231	<
1232	<	f = new CompletableFuture<>();
1233	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1234	<	f.complete(one);
1235	<	checkCompletedWithWrappedCFException(g);
1236	<
1237	<	f = new CompletableFuture<>();
1238	<	f.complete(one);
1239	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1240	<	checkCompletedWithWrappedCFException(g);
1241	<	}
1228	>	public void testSupplyAsync_normalCompletion() {
1229	>	ExecutionMode[] executionModes = {
1230	>	ExecutionMode.ASYNC,
1231	>	ExecutionMode.EXECUTOR,
1232	>	};
1233	>	for (ExecutionMode m : executionModes)
1234	>	for (Integer v1 : new Integer[] { 1, null })
1235	>	{
1236	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1237	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1238	>	assertSame(v1, f.join());
1239	>	checkCompletedNormally(f, v1);
1240	>	r.assertInvoked();
1241	>	}}
1242
1243		/**
1244	<	* thenCompose result completes exceptionally if source cancelled
1244	>	* Failing supplyAsync completes exceptionally
1245		*/
1246	<	public void testThenCompose4() {
1247	<	CompletableFuture<Integer> f, g;
1248	<	CompletableFutureInc r;
1249	<
1250	<	f = new CompletableFuture<>();
1251	<	g = f.thenCompose(r = new CompletableFutureInc());
1252	<	assertTrue(f.cancel(true));
1253	<	checkCompletedWithWrappedCancellationException(g);
1254	<
1255	<	f = new CompletableFuture<>();
1256	<	assertTrue(f.cancel(true));
1257	<	g = f.thenCompose(r = new CompletableFutureInc());
1521	<	checkCompletedWithWrappedCancellationException(g);
1522	<	}
1246	>	public void testSupplyAsync_exceptionalCompletion() {
1247	>	ExecutionMode[] executionModes = {
1248	>	ExecutionMode.ASYNC,
1249	>	ExecutionMode.EXECUTOR,
1250	>	};
1251	>	for (ExecutionMode m : executionModes)
1252	>	{
1253	>	FailingSupplier r = new FailingSupplier(m);
1254	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1255	>	checkCompletedWithWrappedCFException(f);
1256	>	r.assertInvoked();
1257	>	}}
1258
1259	<	// asyncs
1259	>	// seq completion methods
1260
1261		/**
1262	<	* thenRunAsync result completes normally after normal completion of source
1262	>	* thenRun result completes normally after normal completion of source
1263		*/
1264	<	public void testThenRunAsync() {
1265	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1266	<	Noop r = new Noop();
1267	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1268	<	f.complete(null);
1269	<	checkCompletedNormally(g, null);
1264	>	public void testThenRun_normalCompletion() {
1265	>	for (ExecutionMode m : ExecutionMode.values())
1266	>	for (Integer v1 : new Integer[] { 1, null })
1267	>	{
1268	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1269	>	final Noop[] rs = new Noop[6];
1270	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1271
1272	<	// reordered version
1273	<	f = new CompletableFuture<>();
1274	<	f.complete(null);
1275	<	r = new Noop();
1276	<	g = f.thenRunAsync(r);
1277	<	checkCompletedNormally(g, null);
1278	<	}
1272	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1273	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1274	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1275	>	checkIncomplete(h0);
1276	>	checkIncomplete(h1);
1277	>	checkIncomplete(h2);
1278	>	assertTrue(f.complete(v1));
1279	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1280	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1281	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1282	>
1283	>	checkCompletedNormally(h0, null);
1284	>	checkCompletedNormally(h1, null);
1285	>	checkCompletedNormally(h2, null);
1286	>	checkCompletedNormally(h3, null);
1287	>	checkCompletedNormally(h4, null);
1288	>	checkCompletedNormally(h5, null);
1289	>	checkCompletedNormally(f, v1);
1290	>	for (Noop r : rs) r.assertInvoked();
1291	>	}}
1292
1293		/**
1294	<	* thenRunAsync result completes exceptionally after exceptional
1294	>	* thenRun result completes exceptionally after exceptional
1295		* completion of source
1296		*/
1297	<	public void testThenRunAsync2() {
1298	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1299	<	Noop r = new Noop();
1300	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1301	<	f.completeExceptionally(new CFException());
1302	<	try {
1303	<	g.join();
1555	<	shouldThrow();
1556	<	} catch (CompletionException success) {}
1557	<	checkCompletedWithWrappedCFException(g);
1558	<	}
1297	>	public void testThenRun_exceptionalCompletion() {
1298	>	for (ExecutionMode m : ExecutionMode.values())
1299	>	{
1300	>	final CFException ex = new CFException();
1301	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1302	>	final Noop[] rs = new Noop[6];
1303	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1304
1305	<	/**
1306	<	* thenRunAsync result completes exceptionally if action does
1307	<	*/
1308	<	public void testThenRunAsync3() {
1309	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1310	<	FailingNoop r = new FailingNoop();
1311	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1312	<	f.complete(null);
1313	<	checkCompletedWithWrappedCFException(g);
1314	<	}
1305	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1306	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1307	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1308	>	checkIncomplete(h0);
1309	>	checkIncomplete(h1);
1310	>	checkIncomplete(h2);
1311	>	assertTrue(f.completeExceptionally(ex));
1312	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1313	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1314	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1315	>
1316	>	checkCompletedWithWrappedException(h0, ex);
1317	>	checkCompletedWithWrappedException(h1, ex);
1318	>	checkCompletedWithWrappedException(h2, ex);
1319	>	checkCompletedWithWrappedException(h3, ex);
1320	>	checkCompletedWithWrappedException(h4, ex);
1321	>	checkCompletedWithWrappedException(h5, ex);
1322	>	checkCompletedExceptionally(f, ex);
1323	>	for (Noop r : rs) r.assertNotInvoked();
1324	>	}}
1325
1326		/**
1327	<	* thenRunAsync result completes exceptionally if source cancelled
1327	>	* thenRun result completes exceptionally if source cancelled
1328		*/
1329	<	public void testThenRunAsync4() {
1330	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1331	<	Noop r = new Noop();
1332	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1333	<	assertTrue(f.cancel(true));
1334	<	checkCompletedWithWrappedCancellationException(g);
1335	<	}
1329	>	public void testThenRun_sourceCancelled() {
1330	>	for (ExecutionMode m : ExecutionMode.values())
1331	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1332	>	{
1333	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1334	>	final Noop[] rs = new Noop[6];
1335	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1336
1337	<	/**
1338	<	* thenApplyAsync result completes normally after normal completion of source
1339	<	*/
1340	<	public void testThenApplyAsync() {
1341	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1342	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1343	<	f.complete(one);
1344	<	checkCompletedNormally(g, two);
1345	<	}
1337	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1338	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1339	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1340	>	checkIncomplete(h0);
1341	>	checkIncomplete(h1);
1342	>	checkIncomplete(h2);
1343	>	assertTrue(f.cancel(mayInterruptIfRunning));
1344	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1345	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1346	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1347	>
1348	>	checkCompletedWithWrappedCancellationException(h0);
1349	>	checkCompletedWithWrappedCancellationException(h1);
1350	>	checkCompletedWithWrappedCancellationException(h2);
1351	>	checkCompletedWithWrappedCancellationException(h3);
1352	>	checkCompletedWithWrappedCancellationException(h4);
1353	>	checkCompletedWithWrappedCancellationException(h5);
1354	>	checkCancelled(f);
1355	>	for (Noop r : rs) r.assertNotInvoked();
1356	>	}}
1357
1358		/**
1359	<	* thenApplyAsync result completes exceptionally after exceptional
1594	<	* completion of source
1359	>	* thenRun result completes exceptionally if action does
1360		*/
1361	<	public void testThenApplyAsync2() {
1362	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1363	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1364	<	f.completeExceptionally(new CFException());
1365	<	checkCompletedWithWrappedCFException(g);
1366	<	}
1361	>	public void testThenRun_actionFailed() {
1362	>	for (ExecutionMode m : ExecutionMode.values())
1363	>	for (Integer v1 : new Integer[] { 1, null })
1364	>	{
1365	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1366	>	final FailingRunnable[] rs = new FailingRunnable[6];
1367	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1368
1369	<	/**
1370	<	* thenApplyAsync result completes exceptionally if action does
1371	<	*/
1372	<	public void testThenApplyAsync3() {
1373	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1374	<	FailingFunction r = new FailingFunction();
1375	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1376	<	f.complete(null);
1377	<	checkCompletedWithWrappedCFException(g);
1378	<	}
1369	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1370	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1371	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1372	>	assertTrue(f.complete(v1));
1373	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1374	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1375	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1376	>
1377	>	checkCompletedWithWrappedCFException(h0);
1378	>	checkCompletedWithWrappedCFException(h1);
1379	>	checkCompletedWithWrappedCFException(h2);
1380	>	checkCompletedWithWrappedCFException(h3);
1381	>	checkCompletedWithWrappedCFException(h4);
1382	>	checkCompletedWithWrappedCFException(h5);
1383	>	checkCompletedNormally(f, v1);
1384	>	}}
1385
1386		/**
1387	<	* thenApplyAsync result completes exceptionally if source cancelled
1387	>	* thenApply result completes normally after normal completion of source
1388		*/
1389	<	public void testThenApplyAsync4() {
1390	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1391	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1392	<	assertTrue(f.cancel(true));
1393	<	checkCompletedWithWrappedCancellationException(g);
1394	<	}
1389	>	public void testThenApply_normalCompletion() {
1390	>	for (ExecutionMode m : ExecutionMode.values())
1391	>	for (Integer v1 : new Integer[] { 1, null })
1392	>	{
1393	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1394	>	final IncFunction[] rs = new IncFunction[4];
1395	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1396
1397	<	/**
1398	<	* thenAcceptAsync result completes normally after normal
1399	<	* completion of source
1400	<	*/
1401	<	public void testThenAcceptAsync() {
1402	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1403	<	IncAction r = new IncAction();
1404	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1405	<	f.complete(one);
1406	<	checkCompletedNormally(g, null);
1407	<	assertEquals(r.value, 2);
1408	<	}
1397	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1398	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1399	>	checkIncomplete(h0);
1400	>	checkIncomplete(h1);
1401	>	assertTrue(f.complete(v1));
1402	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1403	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1404	>
1405	>	checkCompletedNormally(h0, inc(v1));
1406	>	checkCompletedNormally(h1, inc(v1));
1407	>	checkCompletedNormally(h2, inc(v1));
1408	>	checkCompletedNormally(h3, inc(v1));
1409	>	checkCompletedNormally(f, v1);
1410	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1411	>	}}
1412
1413		/**
1414	<	* thenAcceptAsync result completes exceptionally after exceptional
1414	>	* thenApply result completes exceptionally after exceptional
1415		* completion of source
1416		*/
1417	<	public void testThenAcceptAsync2() {
1418	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1419	<	IncAction r = new IncAction();
1420	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1421	<	f.completeExceptionally(new CFException());
1422	<	checkCompletedWithWrappedCFException(g);
1423	<	}
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);
1417	>	public void testThenApply_exceptionalCompletion() {
1418	>	for (ExecutionMode m : ExecutionMode.values())
1419	>	{
1420	>	final CFException ex = new CFException();
1421	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1422	>	final IncFunction[] rs = new IncFunction[4];
1423	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1424
1425	<	f = new CompletableFuture<>();
1426	<	g = new CompletableFuture<>();
1427	<	g.complete(1);
1428	<	f.complete(3);
1429	<	h = f.thenCombineAsync(g, subtract);
1430	<	checkCompletedNormally(h, 2);
1431	<	}
1425	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1426	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1427	>	assertTrue(f.completeExceptionally(ex));
1428	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1429	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1430	>
1431	>	checkCompletedWithWrappedException(h0, ex);
1432	>	checkCompletedWithWrappedException(h1, ex);
1433	>	checkCompletedWithWrappedException(h2, ex);
1434	>	checkCompletedWithWrappedException(h3, ex);
1435	>	checkCompletedExceptionally(f, ex);
1436	>	for (IncFunction r : rs) r.assertNotInvoked();
1437	>	}}
1438
1439		/**
1440	<	* thenCombineAsync result completes exceptionally after exceptional
1704	<	* completion of either source
1440	>	* thenApply result completes exceptionally if source cancelled
1441		*/
1442	<	public void testThenCombineAsync2() {
1443	<	CompletableFuture<Integer> f, g, h;
1444	<
1445	<	f = new CompletableFuture<>();
1446	<	g = new CompletableFuture<>();
1447	<	h = f.thenCombineAsync(g, subtract);
1448	<	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);
1442	>	public void testThenApply_sourceCancelled() {
1443	>	for (ExecutionMode m : ExecutionMode.values())
1444	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1445	>	{
1446	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1447	>	final IncFunction[] rs = new IncFunction[4];
1448	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1449
1450	<	f = new CompletableFuture<>();
1451	<	g = new CompletableFuture<>();
1452	<	g.completeExceptionally(new CFException());
1453	<	f.complete(3);
1454	<	h = f.thenCombineAsync(g, subtract);
1730	<	checkCompletedWithWrappedCFException(h);
1731	<	}
1450	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1451	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1452	>	assertTrue(f.cancel(mayInterruptIfRunning));
1453	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1454	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1455
1456	<	/**
1457	<	* thenCombineAsync result completes exceptionally if action does
1458	<	*/
1459	<	public void testThenCombineAsync3() {
1460	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1461	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1462	<	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	<	}
1456	>	checkCompletedWithWrappedCancellationException(h0);
1457	>	checkCompletedWithWrappedCancellationException(h1);
1458	>	checkCompletedWithWrappedCancellationException(h2);
1459	>	checkCompletedWithWrappedCancellationException(h3);
1460	>	checkCancelled(f);
1461	>	for (IncFunction r : rs) r.assertNotInvoked();
1462	>	}}
1463
1464		/**
1465	<	* thenCombineAsync result completes exceptionally if either source cancelled
1465	>	* thenApply result completes exceptionally if action does
1466		*/
1467	<	public void testThenCombineAsync4() {
1468	<	CompletableFuture<Integer> f, g, h;
1469	<
1470	<	f = new CompletableFuture<>();
1471	<	g = new CompletableFuture<>();
1472	<	h = f.thenCombineAsync(g, subtract);
1473	<	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);
1467	>	public void testThenApply_actionFailed() {
1468	>	for (ExecutionMode m : ExecutionMode.values())
1469	>	for (Integer v1 : new Integer[] { 1, null })
1470	>	{
1471	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1472	>	final FailingFunction[] rs = new FailingFunction[4];
1473	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1474
1475	<	f = new CompletableFuture<>();
1476	<	g = new CompletableFuture<>();
1477	<	f.complete(3);
1478	<	assertTrue(g.cancel(true));
1479	<	h = f.thenCombineAsync(g, subtract);
1480	<	checkCompletedWithWrappedCancellationException(h);
1481	<	}
1475	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1476	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1477	>	assertTrue(f.complete(v1));
1478	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1479	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1480	>
1481	>	checkCompletedWithWrappedCFException(h0);
1482	>	checkCompletedWithWrappedCFException(h1);
1483	>	checkCompletedWithWrappedCFException(h2);
1484	>	checkCompletedWithWrappedCFException(h3);
1485	>	checkCompletedNormally(f, v1);
1486	>	}}
1487
1488		/**
1489	<	* thenAcceptBothAsync result completes normally after normal
1788	<	* completion of sources
1489	>	* thenAccept result completes normally after normal completion of source
1490		*/
1491	<	public void testThenAcceptBothAsync() {
1492	<	CompletableFuture<Integer> f, g;
1493	<	CompletableFuture<Void> h;
1494	<	SubtractAction r;
1495	<
1496	<	f = new CompletableFuture<>();
1497	<	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);
1491	>	public void testThenAccept_normalCompletion() {
1492	>	for (ExecutionMode m : ExecutionMode.values())
1493	>	for (Integer v1 : new Integer[] { 1, null })
1494	>	{
1495	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1496	>	final NoopConsumer[] rs = new NoopConsumer[4];
1497	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1498
1499	<	f = new CompletableFuture<>();
1500	<	g = new CompletableFuture<>();
1501	<	g.complete(1);
1502	<	f.complete(3);
1503	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1504	<	checkCompletedNormally(h, null);
1505	<	assertEquals(r.value, 2);
1506	<	}
1499	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1500	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1501	>	checkIncomplete(h0);
1502	>	checkIncomplete(h1);
1503	>	assertTrue(f.complete(v1));
1504	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1505	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1506	>
1507	>	checkCompletedNormally(h0, null);
1508	>	checkCompletedNormally(h1, null);
1509	>	checkCompletedNormally(h2, null);
1510	>	checkCompletedNormally(h3, null);
1511	>	checkCompletedNormally(f, v1);
1512	>	for (NoopConsumer r : rs) r.assertValue(v1);
1513	>	}}
1514
1515		/**
1516	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1516	>	* thenAccept result completes exceptionally after exceptional
1517		* completion of source
1518		*/
1519	<	public void testThenAcceptBothAsync2() {
1520	<	CompletableFuture<Integer> f, g;
1521	<	CompletableFuture<Void> h;
1522	<	SubtractAction r;
1523	<
1524	<	f = new CompletableFuture<>();
1525	<	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);
1519	>	public void testThenAccept_exceptionalCompletion() {
1520	>	for (ExecutionMode m : ExecutionMode.values())
1521	>	{
1522	>	final CFException ex = new CFException();
1523	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1524	>	final NoopConsumer[] rs = new NoopConsumer[4];
1525	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1526
1527	<	f = new CompletableFuture<>();
1528	<	g = new CompletableFuture<>();
1529	<	f.complete(3);
1530	<	g.complete(1);
1531	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1532	<	checkCompletedWithWrappedCFException(h);
1533	<	}
1527	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1528	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1529	>	assertTrue(f.completeExceptionally(ex));
1530	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1531	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1532	>
1533	>	checkCompletedWithWrappedException(h0, ex);
1534	>	checkCompletedWithWrappedException(h1, ex);
1535	>	checkCompletedWithWrappedException(h2, ex);
1536	>	checkCompletedWithWrappedException(h3, ex);
1537	>	checkCompletedExceptionally(f, ex);
1538	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1539	>	}}
1540
1541		/**
1542	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
1542	>	* thenAccept result completes exceptionally if source cancelled
1543		*/
1544	<	public void testThenAcceptBothAsync4() {
1545	<	CompletableFuture<Integer> f, g;
1546	<	CompletableFuture<Void> h;
1547	<	SubtractAction r;
1548	<
1549	<	f = new CompletableFuture<>();
1550	<	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);
1544	>	public void testThenAccept_sourceCancelled() {
1545	>	for (ExecutionMode m : ExecutionMode.values())
1546	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1547	>	{
1548	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1549	>	final NoopConsumer[] rs = new NoopConsumer[4];
1550	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1551
1552	<	f = new CompletableFuture<>();
1553	<	g = new CompletableFuture<>();
1554	<	assertTrue(f.cancel(true));
1555	<	g.complete(3);
1556	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1922	<	checkCompletedWithWrappedCancellationException(h);
1923	<	}
1552	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1553	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1554	>	assertTrue(f.cancel(mayInterruptIfRunning));
1555	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1556	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1557
1558	<	/**
1559	<	* runAfterBothAsync result completes normally after normal
1560	<	* completion of sources
1561	<	*/
1562	<	public void testRunAfterBothAsync() {
1563	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1564	<	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	<	}
1558	>	checkCompletedWithWrappedCancellationException(h0);
1559	>	checkCompletedWithWrappedCancellationException(h1);
1560	>	checkCompletedWithWrappedCancellationException(h2);
1561	>	checkCompletedWithWrappedCancellationException(h3);
1562	>	checkCancelled(f);
1563	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1564	>	}}
1565
1566		/**
1567	<	* runAfterBothAsync result completes exceptionally after exceptional
1943	<	* completion of source
1567	>	* thenAccept result completes exceptionally if action does
1568		*/
1569	<	public void testRunAfterBothAsync2() {
1570	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1571	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1572	<	Noop r = new Noop();
1573	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1574	<	f.completeExceptionally(new CFException());
1575	<	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	<	}
1569	>	public void testThenAccept_actionFailed() {
1570	>	for (ExecutionMode m : ExecutionMode.values())
1571	>	for (Integer v1 : new Integer[] { 1, null })
1572	>	{
1573	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1574	>	final FailingConsumer[] rs = new FailingConsumer[4];
1575	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1576
1577	<	/**
1578	<	* runAfterBothAsync result completes exceptionally if action does
1579	<	*/
1580	<	public void testRunAfterBothAsync3() {
1581	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1582	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1583	<	FailingNoop r = new FailingNoop();
1584	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1585	<	f.complete(one);
1586	<	checkIncomplete(g);
1587	<	f2.complete(two);
1588	<	checkCompletedWithWrappedCFException(g);
1975	<	}
1577	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1578	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1579	>	assertTrue(f.complete(v1));
1580	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1581	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1582	>
1583	>	checkCompletedWithWrappedCFException(h0);
1584	>	checkCompletedWithWrappedCFException(h1);
1585	>	checkCompletedWithWrappedCFException(h2);
1586	>	checkCompletedWithWrappedCFException(h3);
1587	>	checkCompletedNormally(f, v1);
1588	>	}}
1589
1590		/**
1591	<	* runAfterBothAsync result completes exceptionally if either source cancelled
1591	>	* thenCombine result completes normally after normal completion
1592	>	* of sources
1593		*/
1594	<	public void testRunAfterBothAsync4() {
1595	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1596	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1597	<	Noop r = new Noop();
1598	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1599	<	assertTrue(f.cancel(true));
1600	<	f2.complete(two);
1601	<	checkCompletedWithWrappedCancellationException(g);
1602	<
1603	<	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	<	}
1594	>	public void testThenCombine_normalCompletion() {
1595	>	for (ExecutionMode m : ExecutionMode.values())
1596	>	for (boolean fFirst : new boolean[] { true, false })
1597	>	for (Integer v1 : new Integer[] { 1, null })
1598	>	for (Integer v2 : new Integer[] { 2, null })
1599	>	{
1600	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1601	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1602	>	final SubtractFunction[] rs = new SubtractFunction[6];
1603	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1604
1605	<	/**
1606	<	* applyToEitherAsync result completes normally after normal
1607	<	* completion of sources
1608	<	*/
1609	<	public void testApplyToEitherAsync() {
1610	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1611	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1612	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1613	<	f.complete(one);
1614	<	checkCompletedNormally(g, two);
1605	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1606	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1607	>	final Integer w1 =  fFirst ? v1 : v2;
1608	>	final Integer w2 = !fFirst ? v1 : v2;
1609	>
1610	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1611	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1612	>	assertTrue(fst.complete(w1));
1613	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1614	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1615	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1616	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1617	>	checkCompletedNormally(h1, subtract(w1, w1));
1618	>	checkCompletedNormally(h3, subtract(w1, w1));
1619	>	rs[1].assertValue(subtract(w1, w1));
1620	>	rs[3].assertValue(subtract(w1, w1));
1621	>	assertTrue(snd.complete(w2));
1622	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1623	>
1624	>	checkCompletedNormally(h0, subtract(v1, v2));
1625	>	checkCompletedNormally(h2, subtract(v1, v2));
1626	>	checkCompletedNormally(h4, subtract(v1, v2));
1627	>	rs[0].assertValue(subtract(v1, v2));
1628	>	rs[2].assertValue(subtract(v1, v2));
1629	>	rs[4].assertValue(subtract(v1, v2));
1630
1631	<	f = new CompletableFuture<>();
1632	<	f.complete(one);
1633	<	f2 = new CompletableFuture<>();
2012	<	g = f.applyToEitherAsync(f2, inc);
2013	<	checkCompletedNormally(g, two);
2014	<	}
1631	>	checkCompletedNormally(f, v1);
1632	>	checkCompletedNormally(g, v2);
1633	>	}}
1634
1635		/**
1636	<	* applyToEitherAsync result completes exceptionally after exceptional
1637	<	* completion of source
1636	>	* thenCombine result completes exceptionally after exceptional
1637	>	* completion of either source
1638		*/
1639	<	public void testApplyToEitherAsync2() {
1640	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1641	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1642	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1643	<	f.completeExceptionally(new CFException());
1644	<	checkCompletedWithWrappedCFException(g);
1645	<
1646	<	f = new CompletableFuture<>();
1647	<	f2 = new CompletableFuture<>();
1648	<	f2.completeExceptionally(new CFException());
1649	<	g = f.applyToEitherAsync(f2, inc);
1650	<	f.complete(one);
1651	<	checkCompletedWithWrappedCFException(g);
1652	<	}
1639	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1640	>	for (ExecutionMode m : ExecutionMode.values())
1641	>	for (boolean fFirst : new boolean[] { true, false })
1642	>	for (boolean failFirst : new boolean[] { true, false })
1643	>	for (Integer v1 : new Integer[] { 1, null })
1644	>	{
1645	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1646	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1647	>	final CFException ex = new CFException();
1648	>	final SubtractFunction r1 = new SubtractFunction(m);
1649	>	final SubtractFunction r2 = new SubtractFunction(m);
1650	>	final SubtractFunction r3 = new SubtractFunction(m);
1651	>
1652	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1653	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1654	>	final Callable<Boolean> complete1 = failFirst ?
1655	>	() -> fst.completeExceptionally(ex) :
1656	>	() -> fst.complete(v1);
1657	>	final Callable<Boolean> complete2 = failFirst ?
1658	>	() -> snd.complete(v1) :
1659	>	() -> snd.completeExceptionally(ex);
1660	>
1661	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1662	>	assertTrue(complete1.call());
1663	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1664	>	checkIncomplete(h1);
1665	>	checkIncomplete(h2);
1666	>	assertTrue(complete2.call());
1667	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1668	>
1669	>	checkCompletedWithWrappedException(h1, ex);
1670	>	checkCompletedWithWrappedException(h2, ex);
1671	>	checkCompletedWithWrappedException(h3, ex);
1672	>	r1.assertNotInvoked();
1673	>	r2.assertNotInvoked();
1674	>	r3.assertNotInvoked();
1675	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1676	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1677	>	}}
1678
1679		/**
1680	<	* applyToEitherAsync result completes exceptionally if action does
1680	>	* thenCombine result completes exceptionally if either source cancelled
1681		*/
1682	<	public void testApplyToEitherAsync3() {
1683	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1684	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1685	<	FailingFunction r = new FailingFunction();
1686	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1687	<	f.complete(one);
1688	<	checkCompletedWithWrappedCFException(g);
1689	<	}
1682	>	public void testThenCombine_sourceCancelled() throws Throwable {
1683	>	for (ExecutionMode m : ExecutionMode.values())
1684	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1685	>	for (boolean fFirst : new boolean[] { true, false })
1686	>	for (boolean failFirst : new boolean[] { true, false })
1687	>	for (Integer v1 : new Integer[] { 1, null })
1688	>	{
1689	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1690	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1691	>	final SubtractFunction r1 = new SubtractFunction(m);
1692	>	final SubtractFunction r2 = new SubtractFunction(m);
1693	>	final SubtractFunction r3 = new SubtractFunction(m);
1694	>
1695	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1696	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1697	>	final Callable<Boolean> complete1 = failFirst ?
1698	>	() -> fst.cancel(mayInterruptIfRunning) :
1699	>	() -> fst.complete(v1);
1700	>	final Callable<Boolean> complete2 = failFirst ?
1701	>	() -> snd.complete(v1) :
1702	>	() -> snd.cancel(mayInterruptIfRunning);
1703	>
1704	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1705	>	assertTrue(complete1.call());
1706	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1707	>	checkIncomplete(h1);
1708	>	checkIncomplete(h2);
1709	>	assertTrue(complete2.call());
1710	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1711	>
1712	>	checkCompletedWithWrappedCancellationException(h1);
1713	>	checkCompletedWithWrappedCancellationException(h2);
1714	>	checkCompletedWithWrappedCancellationException(h3);
1715	>	r1.assertNotInvoked();
1716	>	r2.assertNotInvoked();
1717	>	r3.assertNotInvoked();
1718	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1719	>	checkCancelled(failFirst ? fst : snd);
1720	>	}}
1721
1722		/**
1723	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1723	>	* thenCombine result completes exceptionally if action does
1724		*/
1725	<	public void testApplyToEitherAsync4() {
1726	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1727	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1728	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1729	<	assertTrue(f.cancel(true));
1730	<	checkCompletedWithWrappedCancellationException(g);
1731	<
1732	<	f = new CompletableFuture<>();
1733	<	f2 = new CompletableFuture<>();
1734	<	assertTrue(f2.cancel(true));
1735	<	g = f.applyToEitherAsync(f2, inc);
1736	<	checkCompletedWithWrappedCancellationException(g);
1737	<	}
1725	>	public void testThenCombine_actionFailed() {
1726	>	for (ExecutionMode m : ExecutionMode.values())
1727	>	for (boolean fFirst : new boolean[] { true, false })
1728	>	for (Integer v1 : new Integer[] { 1, null })
1729	>	for (Integer v2 : new Integer[] { 2, null })
1730	>	{
1731	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1732	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1733	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1734	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1735	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1736	>
1737	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1738	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1739	>	final Integer w1 =  fFirst ? v1 : v2;
1740	>	final Integer w2 = !fFirst ? v1 : v2;
1741	>
1742	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1743	>	assertTrue(fst.complete(w1));
1744	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1745	>	assertTrue(snd.complete(w2));
1746	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1747	>
1748	>	checkCompletedWithWrappedCFException(h1);
1749	>	checkCompletedWithWrappedCFException(h2);
1750	>	checkCompletedWithWrappedCFException(h3);
1751	>	r1.assertInvoked();
1752	>	r2.assertInvoked();
1753	>	r3.assertInvoked();
1754	>	checkCompletedNormally(f, v1);
1755	>	checkCompletedNormally(g, v2);
1756	>	}}
1757
1758		/**
1759	<	* acceptEitherAsync result completes normally after normal
1759	>	* thenAcceptBoth result completes normally after normal
1760		* completion of sources
1761		*/
1762	<	public void testAcceptEitherAsync() {
1763	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1764	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1765	<	IncAction r = new IncAction();
1766	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1767	<	f.complete(one);
1768	<	checkCompletedNormally(g, null);
1769	<	assertEquals(r.value, 2);
1770	<
1771	<	r = new IncAction();
1772	<	f = new CompletableFuture<>();
1773	<	f.complete(one);
1774	<	f2 = new CompletableFuture<>();
1775	<	g = f.acceptEitherAsync(f2, r);
1776	<	checkCompletedNormally(g, null);
1777	<	assertEquals(r.value, 2);
1778	<	}
1762	>	public void testThenAcceptBoth_normalCompletion() {
1763	>	for (ExecutionMode m : ExecutionMode.values())
1764	>	for (boolean fFirst : new boolean[] { true, false })
1765	>	for (Integer v1 : new Integer[] { 1, null })
1766	>	for (Integer v2 : new Integer[] { 2, null })
1767	>	{
1768	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1769	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1770	>	final SubtractAction r1 = new SubtractAction(m);
1771	>	final SubtractAction r2 = new SubtractAction(m);
1772	>	final SubtractAction r3 = new SubtractAction(m);
1773	>
1774	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1775	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1776	>	final Integer w1 =  fFirst ? v1 : v2;
1777	>	final Integer w2 = !fFirst ? v1 : v2;
1778	>
1779	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1780	>	assertTrue(fst.complete(w1));
1781	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1782	>	checkIncomplete(h1);
1783	>	checkIncomplete(h2);
1784	>	r1.assertNotInvoked();
1785	>	r2.assertNotInvoked();
1786	>	assertTrue(snd.complete(w2));
1787	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1788	>
1789	>	checkCompletedNormally(h1, null);
1790	>	checkCompletedNormally(h2, null);
1791	>	checkCompletedNormally(h3, null);
1792	>	r1.assertValue(subtract(v1, v2));
1793	>	r2.assertValue(subtract(v1, v2));
1794	>	r3.assertValue(subtract(v1, v2));
1795	>	checkCompletedNormally(f, v1);
1796	>	checkCompletedNormally(g, v2);
1797	>	}}
1798
1799		/**
1800	<	* acceptEitherAsync result completes exceptionally after exceptional
1801	<	* completion of source
1800	>	* thenAcceptBoth result completes exceptionally after exceptional
1801	>	* completion of either source
1802		*/
1803	<	public void testAcceptEitherAsync2() {
1804	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1805	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1806	<	IncAction r = new IncAction();
1807	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1808	<	f.completeExceptionally(new CFException());
1809	<	checkCompletedWithWrappedCFException(g);
1810	<
1811	<	r = new IncAction();
1812	<	f = new CompletableFuture<>();
1813	<	f2 = new CompletableFuture<>();
1814	<	f2.completeExceptionally(new CFException());
1815	<	g = f.acceptEitherAsync(f2, r);
1816	<	f.complete(one);
1817	<	checkCompletedWithWrappedCFException(g);
1818	<	}
1803	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1804	>	for (ExecutionMode m : ExecutionMode.values())
1805	>	for (boolean fFirst : new boolean[] { true, false })
1806	>	for (boolean failFirst : new boolean[] { true, false })
1807	>	for (Integer v1 : new Integer[] { 1, null })
1808	>	{
1809	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1810	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1811	>	final CFException ex = new CFException();
1812	>	final SubtractAction r1 = new SubtractAction(m);
1813	>	final SubtractAction r2 = new SubtractAction(m);
1814	>	final SubtractAction r3 = new SubtractAction(m);
1815	>
1816	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1817	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1818	>	final Callable<Boolean> complete1 = failFirst ?
1819	>	() -> fst.completeExceptionally(ex) :
1820	>	() -> fst.complete(v1);
1821	>	final Callable<Boolean> complete2 = failFirst ?
1822	>	() -> snd.complete(v1) :
1823	>	() -> snd.completeExceptionally(ex);
1824	>
1825	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1826	>	assertTrue(complete1.call());
1827	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1828	>	checkIncomplete(h1);
1829	>	checkIncomplete(h2);
1830	>	assertTrue(complete2.call());
1831	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1832	>
1833	>	checkCompletedWithWrappedException(h1, ex);
1834	>	checkCompletedWithWrappedException(h2, ex);
1835	>	checkCompletedWithWrappedException(h3, ex);
1836	>	r1.assertNotInvoked();
1837	>	r2.assertNotInvoked();
1838	>	r3.assertNotInvoked();
1839	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1840	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1841	>	}}
1842
1843		/**
1844	<	* acceptEitherAsync result completes exceptionally if action does
1844	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1845		*/
1846	<	public void testAcceptEitherAsync3() {
1847	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1848	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1849	<	FailingConsumer r = new FailingConsumer();
1850	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1851	<	f.complete(one);
1852	<	checkCompletedWithWrappedCFException(g);
1853	<	}
1846	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1847	>	for (ExecutionMode m : ExecutionMode.values())
1848	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1849	>	for (boolean fFirst : new boolean[] { true, false })
1850	>	for (boolean failFirst : new boolean[] { true, false })
1851	>	for (Integer v1 : new Integer[] { 1, null })
1852	>	{
1853	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1854	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1855	>	final SubtractAction r1 = new SubtractAction(m);
1856	>	final SubtractAction r2 = new SubtractAction(m);
1857	>	final SubtractAction r3 = new SubtractAction(m);
1858	>
1859	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1860	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1861	>	final Callable<Boolean> complete1 = failFirst ?
1862	>	() -> fst.cancel(mayInterruptIfRunning) :
1863	>	() -> fst.complete(v1);
1864	>	final Callable<Boolean> complete2 = failFirst ?
1865	>	() -> snd.complete(v1) :
1866	>	() -> snd.cancel(mayInterruptIfRunning);
1867	>
1868	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1869	>	assertTrue(complete1.call());
1870	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1871	>	checkIncomplete(h1);
1872	>	checkIncomplete(h2);
1873	>	assertTrue(complete2.call());
1874	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1875	>
1876	>	checkCompletedWithWrappedCancellationException(h1);
1877	>	checkCompletedWithWrappedCancellationException(h2);
1878	>	checkCompletedWithWrappedCancellationException(h3);
1879	>	r1.assertNotInvoked();
1880	>	r2.assertNotInvoked();
1881	>	r3.assertNotInvoked();
1882	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1883	>	checkCancelled(failFirst ? fst : snd);
1884	>	}}
1885
1886		/**
1887	<	* acceptEitherAsync result completes exceptionally if either
2121	<	* source cancelled
1887	>	* thenAcceptBoth result completes exceptionally if action does
1888		*/
1889	<	public void testAcceptEitherAsync4() {
1890	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1891	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1892	<	IncAction r = new IncAction();
1893	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1894	<	assertTrue(f.cancel(true));
1895	<	checkCompletedWithWrappedCancellationException(g);
1896	<
1897	<	r = new IncAction();
1898	<	f = new CompletableFuture<>();
1899	<	f2 = new CompletableFuture<>();
1900	<	assertTrue(f2.cancel(true));
1901	<	g = f.acceptEitherAsync(f2, r);
1902	<	checkCompletedWithWrappedCancellationException(g);
1903	<	}
1889	>	public void testThenAcceptBoth_actionFailed() {
1890	>	for (ExecutionMode m : ExecutionMode.values())
1891	>	for (boolean fFirst : new boolean[] { true, false })
1892	>	for (Integer v1 : new Integer[] { 1, null })
1893	>	for (Integer v2 : new Integer[] { 2, null })
1894	>	{
1895	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1896	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1897	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1898	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1899	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1900	>
1901	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1902	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1903	>	final Integer w1 =  fFirst ? v1 : v2;
1904	>	final Integer w2 = !fFirst ? v1 : v2;
1905	>
1906	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1907	>	assertTrue(fst.complete(w1));
1908	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1909	>	assertTrue(snd.complete(w2));
1910	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1911	>
1912	>	checkCompletedWithWrappedCFException(h1);
1913	>	checkCompletedWithWrappedCFException(h2);
1914	>	checkCompletedWithWrappedCFException(h3);
1915	>	r1.assertInvoked();
1916	>	r2.assertInvoked();
1917	>	r3.assertInvoked();
1918	>	checkCompletedNormally(f, v1);
1919	>	checkCompletedNormally(g, v2);
1920	>	}}
1921
1922		/**
1923	<	* runAfterEitherAsync result completes normally after normal
1923	>	* runAfterBoth result completes normally after normal
1924		* completion of sources
1925		*/
1926	<	public void testRunAfterEitherAsync() {
1927	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1928	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1929	<	Noop r = new Noop();
1930	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1931	<	f.complete(one);
1932	<	checkCompletedNormally(g, null);
1933	<	assertTrue(r.ran);
1934	<
1935	<	r = new Noop();
1936	<	f = new CompletableFuture<>();
1937	<	f.complete(one);
1938	<	f2 = new CompletableFuture<>();
1939	<	g = f.runAfterEitherAsync(f2, r);
1940	<	checkCompletedNormally(g, null);
1941	<	assertTrue(r.ran);
1942	<	}
1926	>	public void testRunAfterBoth_normalCompletion() {
1927	>	for (ExecutionMode m : ExecutionMode.values())
1928	>	for (boolean fFirst : new boolean[] { true, false })
1929	>	for (Integer v1 : new Integer[] { 1, null })
1930	>	for (Integer v2 : new Integer[] { 2, null })
1931	>	{
1932	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1933	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1934	>	final Noop r1 = new Noop(m);
1935	>	final Noop r2 = new Noop(m);
1936	>	final Noop r3 = new Noop(m);
1937	>
1938	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1939	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1940	>	final Integer w1 =  fFirst ? v1 : v2;
1941	>	final Integer w2 = !fFirst ? v1 : v2;
1942	>
1943	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1944	>	assertTrue(fst.complete(w1));
1945	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1946	>	checkIncomplete(h1);
1947	>	checkIncomplete(h2);
1948	>	r1.assertNotInvoked();
1949	>	r2.assertNotInvoked();
1950	>	assertTrue(snd.complete(w2));
1951	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1952	>
1953	>	checkCompletedNormally(h1, null);
1954	>	checkCompletedNormally(h2, null);
1955	>	checkCompletedNormally(h3, null);
1956	>	r1.assertInvoked();
1957	>	r2.assertInvoked();
1958	>	r3.assertInvoked();
1959	>	checkCompletedNormally(f, v1);
1960	>	checkCompletedNormally(g, v2);
1961	>	}}
1962
1963		/**
1964	<	* runAfterEitherAsync result completes exceptionally after exceptional
1965	<	* completion of source
1964	>	* runAfterBoth result completes exceptionally after exceptional
1965	>	* completion of either source
1966		*/
1967	<	public void testRunAfterEitherAsync2() {
1968	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1969	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1970	<	Noop r = new Noop();
1971	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1972	<	f.completeExceptionally(new CFException());
1973	<	checkCompletedWithWrappedCFException(g);
1974	<
1975	<	r = new Noop();
1976	<	f = new CompletableFuture<>();
1977	<	f2 = new CompletableFuture<>();
1978	<	f2.completeExceptionally(new CFException());
1979	<	g = f.runAfterEitherAsync(f2, r);
1980	<	f.complete(one);
1981	<	checkCompletedWithWrappedCFException(g);
1982	<	}
1967	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1968	>	for (ExecutionMode m : ExecutionMode.values())
1969	>	for (boolean fFirst : new boolean[] { true, false })
1970	>	for (boolean failFirst : new boolean[] { true, false })
1971	>	for (Integer v1 : new Integer[] { 1, null })
1972	>	{
1973	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1974	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1975	>	final CFException ex = new CFException();
1976	>	final Noop r1 = new Noop(m);
1977	>	final Noop r2 = new Noop(m);
1978	>	final Noop r3 = new Noop(m);
1979	>
1980	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1981	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1982	>	final Callable<Boolean> complete1 = failFirst ?
1983	>	() -> fst.completeExceptionally(ex) :
1984	>	() -> fst.complete(v1);
1985	>	final Callable<Boolean> complete2 = failFirst ?
1986	>	() -> snd.complete(v1) :
1987	>	() -> snd.completeExceptionally(ex);
1988	>
1989	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1990	>	assertTrue(complete1.call());
1991	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1992	>	checkIncomplete(h1);
1993	>	checkIncomplete(h2);
1994	>	assertTrue(complete2.call());
1995	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1996	>
1997	>	checkCompletedWithWrappedException(h1, ex);
1998	>	checkCompletedWithWrappedException(h2, ex);
1999	>	checkCompletedWithWrappedException(h3, ex);
2000	>	r1.assertNotInvoked();
2001	>	r2.assertNotInvoked();
2002	>	r3.assertNotInvoked();
2003	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2004	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2005	>	}}
2006
2007		/**
2008	<	* runAfterEitherAsync result completes exceptionally if action does
2008	>	* runAfterBoth result completes exceptionally if either source cancelled
2009		*/
2010	<	public void testRunAfterEitherAsync3() {
2011	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2012	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2013	<	FailingNoop r = new FailingNoop();
2014	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2015	<	f.complete(one);
2016	<	checkCompletedWithWrappedCFException(g);
2017	<	}
2010	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2011	>	for (ExecutionMode m : ExecutionMode.values())
2012	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2013	>	for (boolean fFirst : new boolean[] { true, false })
2014	>	for (boolean failFirst : new boolean[] { true, false })
2015	>	for (Integer v1 : new Integer[] { 1, null })
2016	>	{
2017	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2018	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2019	>	final Noop r1 = new Noop(m);
2020	>	final Noop r2 = new Noop(m);
2021	>	final Noop r3 = new Noop(m);
2022	>
2023	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2024	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2025	>	final Callable<Boolean> complete1 = failFirst ?
2026	>	() -> fst.cancel(mayInterruptIfRunning) :
2027	>	() -> fst.complete(v1);
2028	>	final Callable<Boolean> complete2 = failFirst ?
2029	>	() -> snd.complete(v1) :
2030	>	() -> snd.cancel(mayInterruptIfRunning);
2031	>
2032	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2033	>	assertTrue(complete1.call());
2034	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2035	>	checkIncomplete(h1);
2036	>	checkIncomplete(h2);
2037	>	assertTrue(complete2.call());
2038	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2039	>
2040	>	checkCompletedWithWrappedCancellationException(h1);
2041	>	checkCompletedWithWrappedCancellationException(h2);
2042	>	checkCompletedWithWrappedCancellationException(h3);
2043	>	r1.assertNotInvoked();
2044	>	r2.assertNotInvoked();
2045	>	r3.assertNotInvoked();
2046	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2047	>	checkCancelled(failFirst ? fst : snd);
2048	>	}}
2049
2050		/**
2051	<	* runAfterEitherAsync result completes exceptionally if either
2196	<	* source cancelled
2051	>	* runAfterBoth result completes exceptionally if action does
2052		*/
2053	<	public void testRunAfterEitherAsync4() {
2054	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2055	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2056	<	Noop r = new Noop();
2057	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2058	<	assertTrue(f.cancel(true));
2059	<	checkCompletedWithWrappedCancellationException(g);
2060	<
2061	<	r = new Noop();
2062	<	f = new CompletableFuture<>();
2063	<	f2 = new CompletableFuture<>();
2064	<	assertTrue(f2.cancel(true));
2065	<	g = f.runAfterEitherAsync(f2, r);
2066	<	checkCompletedWithWrappedCancellationException(g);
2067	<	}
2053	>	public void testRunAfterBoth_actionFailed() {
2054	>	for (ExecutionMode m : ExecutionMode.values())
2055	>	for (boolean fFirst : new boolean[] { true, false })
2056	>	for (Integer v1 : new Integer[] { 1, null })
2057	>	for (Integer v2 : new Integer[] { 2, null })
2058	>	{
2059	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2060	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2061	>	final FailingRunnable r1 = new FailingRunnable(m);
2062	>	final FailingRunnable r2 = new FailingRunnable(m);
2063	>	final FailingRunnable r3 = new FailingRunnable(m);
2064	>
2065	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2066	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2067	>	final Integer w1 =  fFirst ? v1 : v2;
2068	>	final Integer w2 = !fFirst ? v1 : v2;
2069	>
2070	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2071	>	assertTrue(fst.complete(w1));
2072	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2073	>	assertTrue(snd.complete(w2));
2074	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2075	>
2076	>	checkCompletedWithWrappedCFException(h1);
2077	>	checkCompletedWithWrappedCFException(h2);
2078	>	checkCompletedWithWrappedCFException(h3);
2079	>	r1.assertInvoked();
2080	>	r2.assertInvoked();
2081	>	r3.assertInvoked();
2082	>	checkCompletedNormally(f, v1);
2083	>	checkCompletedNormally(g, v2);
2084	>	}}
2085
2086		/**
2087	<	* thenComposeAsync result completes normally after normal
2088	<	* completion of source
2087	>	* applyToEither result completes normally after normal completion
2088	>	* of either source
2089		*/
2090	<	public void testThenComposeAsync() {
2091	<	CompletableFuture<Integer> f, g;
2092	<	CompletableFutureInc r;
2093	<
2094	<	f = new CompletableFuture<>();
2095	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2096	<	f.complete(one);
2097	<	checkCompletedNormally(g, two);
2090	>	public void testApplyToEither_normalCompletion() {
2091	>	for (ExecutionMode m : ExecutionMode.values())
2092	>	for (Integer v1 : new Integer[] { 1, null })
2093	>	for (Integer v2 : new Integer[] { 2, null })
2094	>	{
2095	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2096	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2097	>	final IncFunction[] rs = new IncFunction[6];
2098	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2099
2100	<	f = new CompletableFuture<>();
2101	<	f.complete(one);
2102	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2103	<	checkCompletedNormally(g, two);
2104	<	}
2100	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2101	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2102	>	checkIncomplete(h0);
2103	>	checkIncomplete(h1);
2104	>	rs[0].assertNotInvoked();
2105	>	rs[1].assertNotInvoked();
2106	>	f.complete(v1);
2107	>	checkCompletedNormally(h0, inc(v1));
2108	>	checkCompletedNormally(h1, inc(v1));
2109	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2110	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2111	>	checkCompletedNormally(h2, inc(v1));
2112	>	checkCompletedNormally(h3, inc(v1));
2113	>	g.complete(v2);
2114
2115	<	/**
2116	<	* thenComposeAsync result completes exceptionally after
2117	<	* exceptional completion of source
2118	<	*/
2119	<	public void testThenComposeAsync2() {
2120	<	CompletableFuture<Integer> f, g;
2121	<	CompletableFutureInc r;
2115	>	// unspecified behavior - both source completions available
2116	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2117	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2118	>	rs[4].assertValue(h4.join());
2119	>	rs[5].assertValue(h5.join());
2120	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2121	>	Objects.equals(inc(v2), h4.join()));
2122	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2123	>	Objects.equals(inc(v2), h5.join()));
2124
2125	<	f = new CompletableFuture<>();
2126	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2127	<	f.completeExceptionally(new CFException());
2128	<	checkCompletedWithWrappedCFException(g);
2129	<	assertFalse(r.ran);
2130	<
2131	<	f = new CompletableFuture<>();
2132	<	f.completeExceptionally(new CFException());
2249	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2250	<	checkCompletedWithWrappedCFException(g);
2251	<	assertFalse(r.ran);
2252	<	}
2125	>	checkCompletedNormally(f, v1);
2126	>	checkCompletedNormally(g, v2);
2127	>	checkCompletedNormally(h0, inc(v1));
2128	>	checkCompletedNormally(h1, inc(v1));
2129	>	checkCompletedNormally(h2, inc(v1));
2130	>	checkCompletedNormally(h3, inc(v1));
2131	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2132	>	}}
2133
2134		/**
2135	<	* thenComposeAsync result completes exceptionally if action does
2135	>	* applyToEither result completes exceptionally after exceptional
2136	>	* completion of either source
2137		*/
2138	<	public void testThenComposeAsync3() {
2139	<	CompletableFuture<Integer> f, g;
2140	<	FailingCompletableFutureFunction r;
2141	<
2142	<	f = new CompletableFuture<>();
2143	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2144	<	f.complete(one);
2145	<	checkCompletedWithWrappedCFException(g);
2138	>	public void testApplyToEither_exceptionalCompletion() {
2139	>	for (ExecutionMode m : ExecutionMode.values())
2140	>	for (Integer v1 : new Integer[] { 1, null })
2141	>	{
2142	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2143	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2144	>	final CFException ex = new CFException();
2145	>	final IncFunction[] rs = new IncFunction[6];
2146	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2147
2148	<	f = new CompletableFuture<>();
2149	<	f.complete(one);
2150	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2151	<	checkCompletedWithWrappedCFException(g);
2152	<	}
2148	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2149	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2150	>	checkIncomplete(h0);
2151	>	checkIncomplete(h1);
2152	>	rs[0].assertNotInvoked();
2153	>	rs[1].assertNotInvoked();
2154	>	f.completeExceptionally(ex);
2155	>	checkCompletedWithWrappedException(h0, ex);
2156	>	checkCompletedWithWrappedException(h1, ex);
2157	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2158	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2159	>	checkCompletedWithWrappedException(h2, ex);
2160	>	checkCompletedWithWrappedException(h3, ex);
2161	>	g.complete(v1);
2162
2163	<	/**
2164	<	* thenComposeAsync result completes exceptionally if source cancelled
2165	<	*/
2166	<	public void testThenComposeAsync4() {
2167	<	CompletableFuture<Integer> f, g;
2168	<	CompletableFutureInc r;
2163	>	// unspecified behavior - both source completions available
2164	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2165	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2166	>	try {
2167	>	assertEquals(inc(v1), h4.join());
2168	>	rs[4].assertValue(inc(v1));
2169	>	} catch (CompletionException ok) {
2170	>	checkCompletedWithWrappedException(h4, ex);
2171	>	rs[4].assertNotInvoked();
2172	>	}
2173	>	try {
2174	>	assertEquals(inc(v1), h5.join());
2175	>	rs[5].assertValue(inc(v1));
2176	>	} catch (CompletionException ok) {
2177	>	checkCompletedWithWrappedException(h5, ex);
2178	>	rs[5].assertNotInvoked();
2179	>	}
2180
2181	<	f = new CompletableFuture<>();
2182	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2183	<	assertTrue(f.cancel(true));
2184	<	checkCompletedWithWrappedCancellationException(g);
2181	>	checkCompletedExceptionally(f, ex);
2182	>	checkCompletedNormally(g, v1);
2183	>	checkCompletedWithWrappedException(h0, ex);
2184	>	checkCompletedWithWrappedException(h1, ex);
2185	>	checkCompletedWithWrappedException(h2, ex);
2186	>	checkCompletedWithWrappedException(h3, ex);
2187	>	checkCompletedWithWrappedException(h4, ex);
2188	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2189	>	}}
2190	>
2191	>	public void testApplyToEither_exceptionalCompletion2() {
2192	>	for (ExecutionMode m : ExecutionMode.values())
2193	>	for (boolean fFirst : new boolean[] { true, false })
2194	>	for (Integer v1 : new Integer[] { 1, null })
2195	>	{
2196	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2197	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2198	>	final CFException ex = new CFException();
2199	>	final IncFunction[] rs = new IncFunction[6];
2200	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2201
2202	<	f = new CompletableFuture<>();
2203	<	assertTrue(f.cancel(true));
2204	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2205	<	checkCompletedWithWrappedCancellationException(g);
2206	<	}
2202	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2203	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2204	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2205	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2206	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2207	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2208	>
2209	>	// unspecified behavior - both source completions available
2210	>	try {
2211	>	assertEquals(inc(v1), h0.join());
2212	>	rs[0].assertValue(inc(v1));
2213	>	} catch (CompletionException ok) {
2214	>	checkCompletedWithWrappedException(h0, ex);
2215	>	rs[0].assertNotInvoked();
2216	>	}
2217	>	try {
2218	>	assertEquals(inc(v1), h1.join());
2219	>	rs[1].assertValue(inc(v1));
2220	>	} catch (CompletionException ok) {
2221	>	checkCompletedWithWrappedException(h1, ex);
2222	>	rs[1].assertNotInvoked();
2223	>	}
2224	>	try {
2225	>	assertEquals(inc(v1), h2.join());
2226	>	rs[2].assertValue(inc(v1));
2227	>	} catch (CompletionException ok) {
2228	>	checkCompletedWithWrappedException(h2, ex);
2229	>	rs[2].assertNotInvoked();
2230	>	}
2231	>	try {
2232	>	assertEquals(inc(v1), h3.join());
2233	>	rs[3].assertValue(inc(v1));
2234	>	} catch (CompletionException ok) {
2235	>	checkCompletedWithWrappedException(h3, ex);
2236	>	rs[3].assertNotInvoked();
2237	>	}
2238
2239	<	// async with explicit executors
2239	>	checkCompletedNormally(f, v1);
2240	>	checkCompletedExceptionally(g, ex);
2241	>	}}
2242
2243		/**
2244	<	* thenRunAsync result completes normally after normal completion of source
2244	>	* applyToEither result completes exceptionally if either source cancelled
2245		*/
2246	<	public void testThenRunAsyncE() {
2247	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2248	<	Noop r = new Noop();
2249	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2250	<	f.complete(null);
2251	<	checkCompletedNormally(g, null);
2252	<
2253	<	// reordered version
2254	<	f = new CompletableFuture<>();
2304	<	f.complete(null);
2305	<	r = new Noop();
2306	<	g = f.thenRunAsync(r, new ThreadExecutor());
2307	<	checkCompletedNormally(g, null);
2308	<	}
2246	>	public void testApplyToEither_sourceCancelled() {
2247	>	for (ExecutionMode m : ExecutionMode.values())
2248	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2249	>	for (Integer v1 : new Integer[] { 1, null })
2250	>	{
2251	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2252	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2253	>	final IncFunction[] rs = new IncFunction[6];
2254	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2255
2256	<	/**
2257	<	* thenRunAsync result completes exceptionally after exceptional
2258	<	* completion of source
2259	<	*/
2260	<	public void testThenRunAsync2E() {
2261	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2262	<	Noop r = new Noop();
2263	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2264	<	f.completeExceptionally(new CFException());
2265	<	try {
2266	<	g.join();
2267	<	shouldThrow();
2268	<	} catch (CompletionException success) {}
2269	<	checkCompletedWithWrappedCFException(g);
2324	<	}
2256	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2257	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2258	>	checkIncomplete(h0);
2259	>	checkIncomplete(h1);
2260	>	rs[0].assertNotInvoked();
2261	>	rs[1].assertNotInvoked();
2262	>	f.cancel(mayInterruptIfRunning);
2263	>	checkCompletedWithWrappedCancellationException(h0);
2264	>	checkCompletedWithWrappedCancellationException(h1);
2265	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2266	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2267	>	checkCompletedWithWrappedCancellationException(h2);
2268	>	checkCompletedWithWrappedCancellationException(h3);
2269	>	g.complete(v1);
2270
2271	<	/**
2272	<	* thenRunAsync result completes exceptionally if action does
2273	<	*/
2274	<	public void testThenRunAsync3E() {
2275	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2276	<	FailingNoop r = new FailingNoop();
2277	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2278	<	f.complete(null);
2279	<	checkCompletedWithWrappedCFException(g);
2280	<	}
2271	>	// unspecified behavior - both source completions available
2272	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2273	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2274	>	try {
2275	>	assertEquals(inc(v1), h4.join());
2276	>	rs[4].assertValue(inc(v1));
2277	>	} catch (CompletionException ok) {
2278	>	checkCompletedWithWrappedCancellationException(h4);
2279	>	rs[4].assertNotInvoked();
2280	>	}
2281	>	try {
2282	>	assertEquals(inc(v1), h5.join());
2283	>	rs[5].assertValue(inc(v1));
2284	>	} catch (CompletionException ok) {
2285	>	checkCompletedWithWrappedCancellationException(h5);
2286	>	rs[5].assertNotInvoked();
2287	>	}
2288
2289	<	/**
2290	<	* thenRunAsync result completes exceptionally if source cancelled
2291	<	*/
2292	<	public void testThenRunAsync4E() {
2293	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2294	<	Noop r = new Noop();
2295	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2296	<	assertTrue(f.cancel(true));
2345	<	checkCompletedWithWrappedCancellationException(g);
2346	<	}
2289	>	checkCancelled(f);
2290	>	checkCompletedNormally(g, v1);
2291	>	checkCompletedWithWrappedCancellationException(h0);
2292	>	checkCompletedWithWrappedCancellationException(h1);
2293	>	checkCompletedWithWrappedCancellationException(h2);
2294	>	checkCompletedWithWrappedCancellationException(h3);
2295	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2296	>	}}
2297
2298	<	/**
2299	<	* thenApplyAsync result completes normally after normal completion of source
2300	<	*/
2301	<	public void testThenApplyAsyncE() {
2302	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2303	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2304	<	f.complete(one);
2305	<	checkCompletedNormally(g, two);
2306	<	}
2298	>	public void testApplyToEither_sourceCancelled2() {
2299	>	for (ExecutionMode m : ExecutionMode.values())
2300	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2301	>	for (boolean fFirst : new boolean[] { true, false })
2302	>	for (Integer v1 : new Integer[] { 1, null })
2303	>	{
2304	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2305	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2306	>	final IncFunction[] rs = new IncFunction[6];
2307	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2308
2309	<	/**
2310	<	* thenApplyAsync result completes exceptionally after exceptional
2311	<	* completion of source
2312	<	*/
2313	<	public void testThenApplyAsync2E() {
2314	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2315	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2316	<	f.completeExceptionally(new CFException());
2317	<	checkCompletedWithWrappedCFException(g);
2318	<	}
2309	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2310	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2311	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2312	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2313	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2314	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2315	>
2316	>	// unspecified behavior - both source completions available
2317	>	try {
2318	>	assertEquals(inc(v1), h0.join());
2319	>	rs[0].assertValue(inc(v1));
2320	>	} catch (CompletionException ok) {
2321	>	checkCompletedWithWrappedCancellationException(h0);
2322	>	rs[0].assertNotInvoked();
2323	>	}
2324	>	try {
2325	>	assertEquals(inc(v1), h1.join());
2326	>	rs[1].assertValue(inc(v1));
2327	>	} catch (CompletionException ok) {
2328	>	checkCompletedWithWrappedCancellationException(h1);
2329	>	rs[1].assertNotInvoked();
2330	>	}
2331	>	try {
2332	>	assertEquals(inc(v1), h2.join());
2333	>	rs[2].assertValue(inc(v1));
2334	>	} catch (CompletionException ok) {
2335	>	checkCompletedWithWrappedCancellationException(h2);
2336	>	rs[2].assertNotInvoked();
2337	>	}
2338	>	try {
2339	>	assertEquals(inc(v1), h3.join());
2340	>	rs[3].assertValue(inc(v1));
2341	>	} catch (CompletionException ok) {
2342	>	checkCompletedWithWrappedCancellationException(h3);
2343	>	rs[3].assertNotInvoked();
2344	>	}
2345
2346	<	/**
2347	<	* thenApplyAsync result completes exceptionally if action does
2348	<	*/
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	<	}
2346	>	checkCompletedNormally(f, v1);
2347	>	checkCancelled(g);
2348	>	}}
2349
2350		/**
2351	<	* thenApplyAsync result completes exceptionally if source cancelled
2351	>	* applyToEither result completes exceptionally if action does
2352		*/
2353	<	public void testThenApplyAsync4E() {
2354	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2355	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2356	<	assertTrue(f.cancel(true));
2357	<	checkCompletedWithWrappedCancellationException(g);
2358	<	}
2353	>	public void testApplyToEither_actionFailed() {
2354	>	for (ExecutionMode m : ExecutionMode.values())
2355	>	for (Integer v1 : new Integer[] { 1, null })
2356	>	for (Integer v2 : new Integer[] { 2, null })
2357	>	{
2358	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2359	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2360	>	final FailingFunction[] rs = new FailingFunction[6];
2361	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2362
2363	<	/**
2364	<	* thenAcceptAsync result completes normally after normal
2365	<	* completion of source
2366	<	*/
2367	<	public void testThenAcceptAsyncE() {
2368	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2369	<	IncAction r = new IncAction();
2370	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2371	<	f.complete(one);
2372	<	checkCompletedNormally(g, null);
2400	<	assertEquals(r.value, 2);
2401	<	}
2363	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2364	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2365	>	f.complete(v1);
2366	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2367	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2368	>	checkCompletedWithWrappedCFException(h0);
2369	>	checkCompletedWithWrappedCFException(h1);
2370	>	checkCompletedWithWrappedCFException(h2);
2371	>	checkCompletedWithWrappedCFException(h3);
2372	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2373
2374	<	/**
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	<	}
2374	>	g.complete(v2);
2375
2376	<	/**
2377	<	* thenAcceptAsync result completes exceptionally if action does
2378	<	*/
2379	<	public void testThenAcceptAsync3E() {
2380	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2381	<	FailingConsumer r = new FailingConsumer();
2382	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2383	<	f.complete(null);
2384	<	checkCompletedWithWrappedCFException(g);
2385	<	}
2376	>	// unspecified behavior - both source completions available
2377	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2378	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2379	>
2380	>	checkCompletedWithWrappedCFException(h4);
2381	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2382	>	Objects.equals(v2, rs[4].value));
2383	>	checkCompletedWithWrappedCFException(h5);
2384	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2385	>	Objects.equals(v2, rs[5].value));
2386
2387	<	/**
2388	<	* thenAcceptAsync result completes exceptionally if source cancelled
2389	<	*/
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	<	}
2387	>	checkCompletedNormally(f, v1);
2388	>	checkCompletedNormally(g, v2);
2389	>	}}
2390
2391		/**
2392	<	* thenCombineAsync result completes normally after normal
2393	<	* completion of sources
2392	>	* acceptEither result completes normally after normal completion
2393	>	* of either source
2394		*/
2395	<	public void testThenCombineAsyncE() {
2396	<	CompletableFuture<Integer> f, g, h;
2397	<	ThreadExecutor e = new ThreadExecutor();
2398	<	int count = 0;
2395	>	public void testAcceptEither_normalCompletion() {
2396	>	for (ExecutionMode m : ExecutionMode.values())
2397	>	for (Integer v1 : new Integer[] { 1, null })
2398	>	for (Integer v2 : new Integer[] { 2, null })
2399	>	{
2400	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2401	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2402	>	final NoopConsumer[] rs = new NoopConsumer[6];
2403	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2404
2405	<	f = new CompletableFuture<>();
2406	<	g = new CompletableFuture<>();
2407	<	h = f.thenCombineAsync(g, subtract, e);
2408	<	f.complete(3);
2409	<	checkIncomplete(h);
2410	<	g.complete(1);
2411	<	checkCompletedNormally(h, 2);
2412	<	assertEquals(++count, e.count.get());
2405	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2406	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2407	>	checkIncomplete(h0);
2408	>	checkIncomplete(h1);
2409	>	rs[0].assertNotInvoked();
2410	>	rs[1].assertNotInvoked();
2411	>	f.complete(v1);
2412	>	checkCompletedNormally(h0, null);
2413	>	checkCompletedNormally(h1, null);
2414	>	rs[0].assertValue(v1);
2415	>	rs[1].assertValue(v1);
2416	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2417	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2418	>	checkCompletedNormally(h2, null);
2419	>	checkCompletedNormally(h3, null);
2420	>	rs[2].assertValue(v1);
2421	>	rs[3].assertValue(v1);
2422	>	g.complete(v2);
2423
2424	<	f = new CompletableFuture<>();
2425	<	g = new CompletableFuture<>();
2426	<	h = f.thenCombineAsync(g, subtract, e);
2427	<	g.complete(1);
2428	<	checkIncomplete(h);
2429	<	f.complete(3);
2430	<	checkCompletedNormally(h, 2);
2431	<	assertEquals(++count, e.count.get());
2424	>	// unspecified behavior - both source completions available
2425	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2426	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2427	>	checkCompletedNormally(h4, null);
2428	>	checkCompletedNormally(h5, null);
2429	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2430	>	Objects.equals(v2, rs[4].value));
2431	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2432	>	Objects.equals(v2, rs[5].value));
2433
2434	<	f = new CompletableFuture<>();
2435	<	g = new CompletableFuture<>();
2436	<	g.complete(1);
2437	<	f.complete(3);
2438	<	h = f.thenCombineAsync(g, subtract, e);
2439	<	checkCompletedNormally(h, 2);
2440	<	assertEquals(++count, e.count.get());
2441	<	}
2434	>	checkCompletedNormally(f, v1);
2435	>	checkCompletedNormally(g, v2);
2436	>	checkCompletedNormally(h0, null);
2437	>	checkCompletedNormally(h1, null);
2438	>	checkCompletedNormally(h2, null);
2439	>	checkCompletedNormally(h3, null);
2440	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2441	>	}}
2442
2443		/**
2444	<	* thenCombineAsync result completes exceptionally after exceptional
2444	>	* acceptEither result completes exceptionally after exceptional
2445		* completion of either source
2446		*/
2447	<	public void testThenCombineAsync2E() {
2448	<	CompletableFuture<Integer> f, g, h;
2449	<	ThreadExecutor e = new ThreadExecutor();
2450	<	int count = 0;
2451	<
2452	<	f = new CompletableFuture<>();
2453	<	g = new CompletableFuture<>();
2454	<	h = f.thenCombineAsync(g, subtract, e);
2455	<	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	<	}
2447	>	public void testAcceptEither_exceptionalCompletion() {
2448	>	for (ExecutionMode m : ExecutionMode.values())
2449	>	for (Integer v1 : new Integer[] { 1, null })
2450	>	{
2451	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2452	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2453	>	final CFException ex = new CFException();
2454	>	final NoopConsumer[] rs = new NoopConsumer[6];
2455	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2456
2457	<	/**
2458	<	* thenCombineAsync result completes exceptionally if either source cancelled
2459	<	*/
2460	<	public void testThenCombineAsync4E() {
2461	<	CompletableFuture<Integer> f, g, h;
2462	<	ThreadExecutor e = new ThreadExecutor();
2457	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2458	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2459	>	checkIncomplete(h0);
2460	>	checkIncomplete(h1);
2461	>	rs[0].assertNotInvoked();
2462	>	rs[1].assertNotInvoked();
2463	>	f.completeExceptionally(ex);
2464	>	checkCompletedWithWrappedException(h0, ex);
2465	>	checkCompletedWithWrappedException(h1, ex);
2466	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2467	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2468	>	checkCompletedWithWrappedException(h2, ex);
2469	>	checkCompletedWithWrappedException(h3, ex);
2470
2471	<	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);
2471	>	g.complete(v1);
2472
2473	<	f = new CompletableFuture<>();
2474	<	g = new CompletableFuture<>();
2475	<	h = f.thenCombineAsync(g, subtract, e);
2476	<	assertTrue(g.cancel(true));
2477	<	checkIncomplete(h);
2478	<	f.complete(3);
2479	<	checkCompletedWithWrappedCancellationException(h);
2473	>	// unspecified behavior - both source completions available
2474	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2475	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2476	>	try {
2477	>	assertNull(h4.join());
2478	>	rs[4].assertValue(v1);
2479	>	} catch (CompletionException ok) {
2480	>	checkCompletedWithWrappedException(h4, ex);
2481	>	rs[4].assertNotInvoked();
2482	>	}
2483	>	try {
2484	>	assertNull(h5.join());
2485	>	rs[5].assertValue(v1);
2486	>	} catch (CompletionException ok) {
2487	>	checkCompletedWithWrappedException(h5, ex);
2488	>	rs[5].assertNotInvoked();
2489	>	}
2490
2491	<	f = new CompletableFuture<>();
2492	<	g = new CompletableFuture<>();
2493	<	assertTrue(g.cancel(true));
2494	<	h = f.thenCombineAsync(g, subtract, e);
2495	<	checkIncomplete(h);
2496	<	f.complete(3);
2497	<	checkCompletedWithWrappedCancellationException(h);
2491	>	checkCompletedExceptionally(f, ex);
2492	>	checkCompletedNormally(g, v1);
2493	>	checkCompletedWithWrappedException(h0, ex);
2494	>	checkCompletedWithWrappedException(h1, ex);
2495	>	checkCompletedWithWrappedException(h2, ex);
2496	>	checkCompletedWithWrappedException(h3, ex);
2497	>	checkCompletedWithWrappedException(h4, ex);
2498	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2499	>	}}
2500	>
2501	>	public void testAcceptEither_exceptionalCompletion2() {
2502	>	for (ExecutionMode m : ExecutionMode.values())
2503	>	for (boolean fFirst : new boolean[] { true, false })
2504	>	for (Integer v1 : new Integer[] { 1, null })
2505	>	{
2506	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2507	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2508	>	final CFException ex = new CFException();
2509	>	final NoopConsumer[] rs = new NoopConsumer[6];
2510	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2511
2512	<	f = new CompletableFuture<>();
2513	<	g = new CompletableFuture<>();
2514	<	assertTrue(f.cancel(true));
2515	<	assertTrue(g.cancel(true));
2516	<	h = f.thenCombineAsync(g, subtract, e);
2517	<	checkCompletedWithWrappedCancellationException(h);
2512	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2513	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2514	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2515	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2516	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2517	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2518	>
2519	>	// unspecified behavior - both source completions available
2520	>	try {
2521	>	assertEquals(null, h0.join());
2522	>	rs[0].assertValue(v1);
2523	>	} catch (CompletionException ok) {
2524	>	checkCompletedWithWrappedException(h0, ex);
2525	>	rs[0].assertNotInvoked();
2526	>	}
2527	>	try {
2528	>	assertEquals(null, h1.join());
2529	>	rs[1].assertValue(v1);
2530	>	} catch (CompletionException ok) {
2531	>	checkCompletedWithWrappedException(h1, ex);
2532	>	rs[1].assertNotInvoked();
2533	>	}
2534	>	try {
2535	>	assertEquals(null, h2.join());
2536	>	rs[2].assertValue(v1);
2537	>	} catch (CompletionException ok) {
2538	>	checkCompletedWithWrappedException(h2, ex);
2539	>	rs[2].assertNotInvoked();
2540	>	}
2541	>	try {
2542	>	assertEquals(null, h3.join());
2543	>	rs[3].assertValue(v1);
2544	>	} catch (CompletionException ok) {
2545	>	checkCompletedWithWrappedException(h3, ex);
2546	>	rs[3].assertNotInvoked();
2547	>	}
2548
2549	<	assertEquals(0, e.count.get());
2550	<	}
2549	>	checkCompletedNormally(f, v1);
2550	>	checkCompletedExceptionally(g, ex);
2551	>	}}
2552
2553		/**
2554	<	* thenAcceptBothAsync result completes normally after normal
2568	<	* completion of sources
2554	>	* acceptEither result completes exceptionally if either source cancelled
2555		*/
2556	<	public void testThenAcceptBothAsyncE() {
2557	<	CompletableFuture<Integer> f, g;
2558	<	CompletableFuture<Void> h;
2559	<	SubtractAction r;
2560	<	ThreadExecutor e = new ThreadExecutor();
2556	>	public void testAcceptEither_sourceCancelled() {
2557	>	for (ExecutionMode m : ExecutionMode.values())
2558	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2559	>	for (Integer v1 : new Integer[] { 1, null })
2560	>	{
2561	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2562	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2563	>	final NoopConsumer[] rs = new NoopConsumer[6];
2564	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2565
2566	<	f = new CompletableFuture<>();
2567	<	g = new CompletableFuture<>();
2568	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2569	<	f.complete(3);
2570	<	checkIncomplete(h);
2571	<	g.complete(1);
2572	<	checkCompletedNormally(h, null);
2573	<	assertEquals(r.value, 2);
2566	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2567	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2568	>	checkIncomplete(h0);
2569	>	checkIncomplete(h1);
2570	>	rs[0].assertNotInvoked();
2571	>	rs[1].assertNotInvoked();
2572	>	f.cancel(mayInterruptIfRunning);
2573	>	checkCompletedWithWrappedCancellationException(h0);
2574	>	checkCompletedWithWrappedCancellationException(h1);
2575	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2576	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2577	>	checkCompletedWithWrappedCancellationException(h2);
2578	>	checkCompletedWithWrappedCancellationException(h3);
2579
2580	<	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);
2580	>	g.complete(v1);
2581
2582	<	f = new CompletableFuture<>();
2583	<	g = new CompletableFuture<>();
2584	<	g.complete(1);
2585	<	f.complete(3);
2586	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2587	<	checkCompletedNormally(h, null);
2588	<	assertEquals(r.value, 2);
2582	>	// unspecified behavior - both source completions available
2583	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2584	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2585	>	try {
2586	>	assertNull(h4.join());
2587	>	rs[4].assertValue(v1);
2588	>	} catch (CompletionException ok) {
2589	>	checkCompletedWithWrappedCancellationException(h4);
2590	>	rs[4].assertNotInvoked();
2591	>	}
2592	>	try {
2593	>	assertNull(h5.join());
2594	>	rs[5].assertValue(v1);
2595	>	} catch (CompletionException ok) {
2596	>	checkCompletedWithWrappedCancellationException(h5);
2597	>	rs[5].assertNotInvoked();
2598	>	}
2599
2600	<	assertEquals(3, e.count.get());
2601	<	}
2600	>	checkCancelled(f);
2601	>	checkCompletedNormally(g, v1);
2602	>	checkCompletedWithWrappedCancellationException(h0);
2603	>	checkCompletedWithWrappedCancellationException(h1);
2604	>	checkCompletedWithWrappedCancellationException(h2);
2605	>	checkCompletedWithWrappedCancellationException(h3);
2606	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2607	>	}}
2608
2609		/**
2610	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2607	<	* completion of source
2610	>	* acceptEither result completes exceptionally if action does
2611		*/
2612	<	public void testThenAcceptBothAsync2E() {
2613	<	CompletableFuture<Integer> f, g;
2614	<	CompletableFuture<Void> h;
2615	<	SubtractAction r;
2616	<	ThreadExecutor e = new ThreadExecutor();
2617	<
2618	<	f = new CompletableFuture<>();
2619	<	g = new CompletableFuture<>();
2620	<	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	<	}
2612	>	public void testAcceptEither_actionFailed() {
2613	>	for (ExecutionMode m : ExecutionMode.values())
2614	>	for (Integer v1 : new Integer[] { 1, null })
2615	>	for (Integer v2 : new Integer[] { 2, null })
2616	>	{
2617	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2618	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2619	>	final FailingConsumer[] rs = new FailingConsumer[6];
2620	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2621
2622	<	/**
2623	<	* thenAcceptBothAsync result completes exceptionally if action does
2624	<	*/
2625	<	public void testThenAcceptBothAsync3E() {
2626	<	CompletableFuture<Integer> f, g;
2627	<	CompletableFuture<Void> h;
2628	<	FailingBiConsumer r;
2629	<	ThreadExecutor e = new ThreadExecutor();
2622	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2623	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2624	>	f.complete(v1);
2625	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2626	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2627	>	checkCompletedWithWrappedCFException(h0);
2628	>	checkCompletedWithWrappedCFException(h1);
2629	>	checkCompletedWithWrappedCFException(h2);
2630	>	checkCompletedWithWrappedCFException(h3);
2631	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2632
2633	<	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);
2633	>	g.complete(v2);
2634
2635	<	f = new CompletableFuture<>();
2636	<	g = new CompletableFuture<>();
2637	<	f.complete(3);
2638	<	g.complete(1);
2639	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2640	<	checkCompletedWithWrappedCFException(h);
2635	>	// unspecified behavior - both source completions available
2636	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2637	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2638	>
2639	>	checkCompletedWithWrappedCFException(h4);
2640	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2641	>	Objects.equals(v2, rs[4].value));
2642	>	checkCompletedWithWrappedCFException(h5);
2643	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2644	>	Objects.equals(v2, rs[5].value));
2645
2646	<	assertEquals(2, e.count.get());
2647	<	}
2646	>	checkCompletedNormally(f, v1);
2647	>	checkCompletedNormally(g, v2);
2648	>	}}
2649
2650		/**
2651	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2651	>	* runAfterEither result completes normally after normal completion
2652	>	* of either source
2653		*/
2654	<	public void testThenAcceptBothAsync4E() {
2655	<	CompletableFuture<Integer> f, g;
2656	<	CompletableFuture<Void> h;
2657	<	SubtractAction r;
2658	<	ThreadExecutor e = new ThreadExecutor();
2659	<
2660	<	f = new CompletableFuture<>();
2661	<	g = new CompletableFuture<>();
2662	<	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);
2654	>	public void testRunAfterEither_normalCompletion() {
2655	>	for (ExecutionMode m : ExecutionMode.values())
2656	>	for (Integer v1 : new Integer[] { 1, null })
2657	>	for (Integer v2 : new Integer[] { 2, null })
2658	>	{
2659	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2660	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2661	>	final Noop[] rs = new Noop[6];
2662	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2663
2664	<	f = new CompletableFuture<>();
2665	<	g = new CompletableFuture<>();
2666	<	f.complete(3);
2667	<	assertTrue(g.cancel(true));
2668	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2669	<	checkCompletedWithWrappedCancellationException(h);
2664	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2665	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2666	>	checkIncomplete(h0);
2667	>	checkIncomplete(h1);
2668	>	rs[0].assertNotInvoked();
2669	>	rs[1].assertNotInvoked();
2670	>	f.complete(v1);
2671	>	checkCompletedNormally(h0, null);
2672	>	checkCompletedNormally(h1, null);
2673	>	rs[0].assertInvoked();
2674	>	rs[1].assertInvoked();
2675	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2676	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2677	>	checkCompletedNormally(h2, null);
2678	>	checkCompletedNormally(h3, null);
2679	>	rs[2].assertInvoked();
2680	>	rs[3].assertInvoked();
2681
2682	<	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);
2682	>	g.complete(v2);
2683
2684	<	assertEquals(0, e.count.get());
2685	<	}
2684	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2685	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2686
2687	<	/**
2688	<	* runAfterBothAsync result completes normally after normal
2689	<	* completion of sources
2690	<	*/
2691	<	public void testRunAfterBothAsyncE() {
2692	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2693	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2694	<	Noop r = new Noop();
2695	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2696	<	f.complete(one);
2727	<	checkIncomplete(g);
2728	<	f2.complete(two);
2729	<	checkCompletedNormally(g, null);
2730	<	assertTrue(r.ran);
2731	<	}
2687	>	checkCompletedNormally(f, v1);
2688	>	checkCompletedNormally(g, v2);
2689	>	checkCompletedNormally(h0, null);
2690	>	checkCompletedNormally(h1, null);
2691	>	checkCompletedNormally(h2, null);
2692	>	checkCompletedNormally(h3, null);
2693	>	checkCompletedNormally(h4, null);
2694	>	checkCompletedNormally(h5, null);
2695	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2696	>	}}
2697
2698		/**
2699	<	* runAfterBothAsync result completes exceptionally after exceptional
2700	<	* completion of source
2699	>	* runAfterEither result completes exceptionally after exceptional
2700	>	* completion of either source
2701		*/
2702	<	public void testRunAfterBothAsync2E() {
2703	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2704	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2705	<	Noop r = new Noop();
2706	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2707	<	f.completeExceptionally(new CFException());
2708	<	f2.complete(two);
2709	<	checkCompletedWithWrappedCFException(g);
2702	>	public void testRunAfterEither_exceptionalCompletion() {
2703	>	for (ExecutionMode m : ExecutionMode.values())
2704	>	for (Integer v1 : new Integer[] { 1, null })
2705	>	{
2706	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2707	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2708	>	final CFException ex = new CFException();
2709	>	final Noop[] rs = new Noop[6];
2710	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2711
2712	<	r = new Noop();
2713	<	f = new CompletableFuture<>();
2714	<	f2 = new CompletableFuture<>();
2715	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2716	<	f.complete(one);
2717	<	f2.completeExceptionally(new CFException());
2718	<	checkCompletedWithWrappedCFException(g);
2719	<	}
2712	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2713	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2714	>	checkIncomplete(h0);
2715	>	checkIncomplete(h1);
2716	>	rs[0].assertNotInvoked();
2717	>	rs[1].assertNotInvoked();
2718	>	assertTrue(f.completeExceptionally(ex));
2719	>	checkCompletedWithWrappedException(h0, ex);
2720	>	checkCompletedWithWrappedException(h1, ex);
2721	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2722	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2723	>	checkCompletedWithWrappedException(h2, ex);
2724	>	checkCompletedWithWrappedException(h3, ex);
2725	>
2726	>	assertTrue(g.complete(v1));
2727	>
2728	>	// unspecified behavior - both source completions available
2729	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2730	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2731	>	try {
2732	>	assertNull(h4.join());
2733	>	rs[4].assertInvoked();
2734	>	} catch (CompletionException ok) {
2735	>	checkCompletedWithWrappedException(h4, ex);
2736	>	rs[4].assertNotInvoked();
2737	>	}
2738	>	try {
2739	>	assertNull(h5.join());
2740	>	rs[5].assertInvoked();
2741	>	} catch (CompletionException ok) {
2742	>	checkCompletedWithWrappedException(h5, ex);
2743	>	rs[5].assertNotInvoked();
2744	>	}
2745
2746	<	/**
2747	<	* runAfterBothAsync result completes exceptionally if action does
2748	<	*/
2749	<	public void testRunAfterBothAsync3E() {
2750	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2751	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2752	<	FailingNoop r = new FailingNoop();
2753	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2754	<	f.complete(one);
2755	<	checkIncomplete(g);
2756	<	f2.complete(two);
2757	<	checkCompletedWithWrappedCFException(g);
2758	<	}
2746	>	checkCompletedExceptionally(f, ex);
2747	>	checkCompletedNormally(g, v1);
2748	>	checkCompletedWithWrappedException(h0, ex);
2749	>	checkCompletedWithWrappedException(h1, ex);
2750	>	checkCompletedWithWrappedException(h2, ex);
2751	>	checkCompletedWithWrappedException(h3, ex);
2752	>	checkCompletedWithWrappedException(h4, ex);
2753	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2754	>	}}
2755	>
2756	>	public void testRunAfterEither_exceptionalCompletion2() {
2757	>	for (ExecutionMode m : ExecutionMode.values())
2758	>	for (boolean fFirst : new boolean[] { true, false })
2759	>	for (Integer v1 : new Integer[] { 1, null })
2760	>	{
2761	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2762	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2763	>	final CFException ex = new CFException();
2764	>	final Noop[] rs = new Noop[6];
2765	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2766
2767	<	/**
2768	<	* runAfterBothAsync result completes exceptionally if either source cancelled
2769	<	*/
2770	<	public void testRunAfterBothAsync4E() {
2771	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2772	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2773	<	Noop r = new Noop();
2774	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2775	<	assertTrue(f.cancel(true));
2776	<	f2.complete(two);
2777	<	checkCompletedWithWrappedCancellationException(g);
2767	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2768	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2769	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2770	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2771	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2772	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2773	>
2774	>	// unspecified behavior - both source completions available
2775	>	try {
2776	>	assertEquals(null, h0.join());
2777	>	rs[0].assertInvoked();
2778	>	} catch (CompletionException ok) {
2779	>	checkCompletedWithWrappedException(h0, ex);
2780	>	rs[0].assertNotInvoked();
2781	>	}
2782	>	try {
2783	>	assertEquals(null, h1.join());
2784	>	rs[1].assertInvoked();
2785	>	} catch (CompletionException ok) {
2786	>	checkCompletedWithWrappedException(h1, ex);
2787	>	rs[1].assertNotInvoked();
2788	>	}
2789	>	try {
2790	>	assertEquals(null, h2.join());
2791	>	rs[2].assertInvoked();
2792	>	} catch (CompletionException ok) {
2793	>	checkCompletedWithWrappedException(h2, ex);
2794	>	rs[2].assertNotInvoked();
2795	>	}
2796	>	try {
2797	>	assertEquals(null, h3.join());
2798	>	rs[3].assertInvoked();
2799	>	} catch (CompletionException ok) {
2800	>	checkCompletedWithWrappedException(h3, ex);
2801	>	rs[3].assertNotInvoked();
2802	>	}
2803
2804	<	r = new Noop();
2805	<	f = new CompletableFuture<>();
2806	<	f2 = new CompletableFuture<>();
2784	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2785	<	f.complete(one);
2786	<	assertTrue(f2.cancel(true));
2787	<	checkCompletedWithWrappedCancellationException(g);
2788	<	}
2804	>	checkCompletedNormally(f, v1);
2805	>	checkCompletedExceptionally(g, ex);
2806	>	}}
2807
2808		/**
2809	<	* applyToEitherAsync result completes normally after normal
2792	<	* completion of sources
2809	>	* runAfterEither result completes exceptionally if either source cancelled
2810		*/
2811	<	public void testApplyToEitherAsyncE() {
2812	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2813	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2814	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2815	<	f.complete(one);
2816	<	checkCompletedNormally(g, two);
2817	<
2818	<	f = new CompletableFuture<>();
2819	<	f.complete(one);
2803	<	f2 = new CompletableFuture<>();
2804	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2805	<	checkCompletedNormally(g, two);
2806	<	}
2811	>	public void testRunAfterEither_sourceCancelled() {
2812	>	for (ExecutionMode m : ExecutionMode.values())
2813	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2814	>	for (Integer v1 : new Integer[] { 1, null })
2815	>	{
2816	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2817	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2818	>	final Noop[] rs = new Noop[6];
2819	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2820
2821	<	/**
2822	<	* applyToEitherAsync result completes exceptionally after exceptional
2823	<	* completion of source
2824	<	*/
2825	<	public void testApplyToEitherAsync2E() {
2826	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2827	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2828	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2829	<	f.completeExceptionally(new CFException());
2830	<	checkCompletedWithWrappedCFException(g);
2821	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2822	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2823	>	checkIncomplete(h0);
2824	>	checkIncomplete(h1);
2825	>	rs[0].assertNotInvoked();
2826	>	rs[1].assertNotInvoked();
2827	>	f.cancel(mayInterruptIfRunning);
2828	>	checkCompletedWithWrappedCancellationException(h0);
2829	>	checkCompletedWithWrappedCancellationException(h1);
2830	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2831	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2832	>	checkCompletedWithWrappedCancellationException(h2);
2833	>	checkCompletedWithWrappedCancellationException(h3);
2834	>
2835	>	assertTrue(g.complete(v1));
2836	>
2837	>	// unspecified behavior - both source completions available
2838	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2839	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2840	>	try {
2841	>	assertNull(h4.join());
2842	>	rs[4].assertInvoked();
2843	>	} catch (CompletionException ok) {
2844	>	checkCompletedWithWrappedCancellationException(h4);
2845	>	rs[4].assertNotInvoked();
2846	>	}
2847	>	try {
2848	>	assertNull(h5.join());
2849	>	rs[5].assertInvoked();
2850	>	} catch (CompletionException ok) {
2851	>	checkCompletedWithWrappedCancellationException(h5);
2852	>	rs[5].assertNotInvoked();
2853	>	}
2854
2855	<	f = new CompletableFuture<>();
2856	<	f2 = new CompletableFuture<>();
2857	<	f2.completeExceptionally(new CFException());
2858	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2859	<	f.complete(one);
2860	<	checkCompletedWithWrappedCFException(g);
2861	<	}
2855	>	checkCancelled(f);
2856	>	checkCompletedNormally(g, v1);
2857	>	checkCompletedWithWrappedCancellationException(h0);
2858	>	checkCompletedWithWrappedCancellationException(h1);
2859	>	checkCompletedWithWrappedCancellationException(h2);
2860	>	checkCompletedWithWrappedCancellationException(h3);
2861	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2862	>	}}
2863
2864		/**
2865	<	* applyToEitherAsync result completes exceptionally if action does
2865	>	* runAfterEither result completes exceptionally if action does
2866		*/
2867	<	public void testApplyToEitherAsync3E() {
2868	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2869	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2870	<	FailingFunction r = new FailingFunction();
2871	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2872	<	f.complete(one);
2873	<	checkCompletedWithWrappedCFException(g);
2874	<	}
2867	>	public void testRunAfterEither_actionFailed() {
2868	>	for (ExecutionMode m : ExecutionMode.values())
2869	>	for (Integer v1 : new Integer[] { 1, null })
2870	>	for (Integer v2 : new Integer[] { 2, null })
2871	>	{
2872	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2873	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2874	>	final FailingRunnable[] rs = new FailingRunnable[6];
2875	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2876
2877	<	/**
2878	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2879	<	*/
2880	<	public void testApplyToEitherAsync4E() {
2881	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2882	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2883	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2884	<	assertTrue(f.cancel(true));
2885	<	checkCompletedWithWrappedCancellationException(g);
2877	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2878	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2879	>	assertTrue(f.complete(v1));
2880	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2881	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2882	>	checkCompletedWithWrappedCFException(h0);
2883	>	checkCompletedWithWrappedCFException(h1);
2884	>	checkCompletedWithWrappedCFException(h2);
2885	>	checkCompletedWithWrappedCFException(h3);
2886	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2887	>	assertTrue(g.complete(v2));
2888	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2889	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2890	>	checkCompletedWithWrappedCFException(h4);
2891	>	checkCompletedWithWrappedCFException(h5);
2892
2893	<	f = new CompletableFuture<>();
2894	<	f2 = new CompletableFuture<>();
2895	<	assertTrue(f2.cancel(true));
2896	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2853	<	checkCompletedWithWrappedCancellationException(g);
2854	<	}
2893	>	checkCompletedNormally(f, v1);
2894	>	checkCompletedNormally(g, v2);
2895	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2896	>	}}
2897
2898		/**
2899	<	* acceptEitherAsync result completes normally after normal
2858	<	* completion of sources
2899	>	* thenCompose result completes normally after normal completion of source
2900		*/
2901	<	public void testAcceptEitherAsyncE() {
2902	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2903	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2904	<	IncAction r = new IncAction();
2905	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2906	<	f.complete(one);
2907	<	checkCompletedNormally(g, null);
2908	<	assertEquals(r.value, 2);
2901	>	public void testThenCompose_normalCompletion() {
2902	>	for (ExecutionMode m : ExecutionMode.values())
2903	>	for (boolean createIncomplete : new boolean[] { true, false })
2904	>	for (Integer v1 : new Integer[] { 1, null })
2905	>	{
2906	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2907	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2908	>	if (!createIncomplete) assertTrue(f.complete(v1));
2909	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2910	>	if (createIncomplete) assertTrue(f.complete(v1));
2911
2912	<	r = new IncAction();
2913	<	f = new CompletableFuture<>();
2914	<	f.complete(one);
2915	<	f2 = new CompletableFuture<>();
2873	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2874	<	checkCompletedNormally(g, null);
2875	<	assertEquals(r.value, 2);
2876	<	}
2912	>	checkCompletedNormally(g, inc(v1));
2913	>	checkCompletedNormally(f, v1);
2914	>	r.assertValue(v1);
2915	>	}}
2916
2917		/**
2918	<	* acceptEitherAsync result completes exceptionally after exceptional
2918	>	* thenCompose result completes exceptionally after exceptional
2919		* completion of source
2920		*/
2921	<	public void testAcceptEitherAsync2E() {
2922	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2923	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2924	<	IncAction r = new IncAction();
2925	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2926	<	f.completeExceptionally(new CFException());
2927	<	checkCompletedWithWrappedCFException(g);
2928	<
2929	<	r = new IncAction();
2930	<	f = new CompletableFuture<>();
2931	<	f2 = new CompletableFuture<>();
2932	<	f2.completeExceptionally(new CFException());
2933	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2934	<	f.complete(one);
2935	<	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	<	}
2921	>	public void testThenCompose_exceptionalCompletion() {
2922	>	for (ExecutionMode m : ExecutionMode.values())
2923	>	for (boolean createIncomplete : new boolean[] { true, false })
2924	>	{
2925	>	final CFException ex = new CFException();
2926	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2927	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2928	>	if (!createIncomplete) f.completeExceptionally(ex);
2929	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2930	>	if (createIncomplete) f.completeExceptionally(ex);
2931	>
2932	>	checkCompletedWithWrappedException(g, ex);
2933	>	checkCompletedExceptionally(f, ex);
2934	>	r.assertNotInvoked();
2935	>	}}
2936
2937		/**
2938	<	* runAfterEitherAsync result completes exceptionally after exceptional
2955	<	* completion of source
2938	>	* thenCompose result completes exceptionally if action does
2939		*/
2940	<	public void testRunAfterEitherAsync2E() {
2941	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2942	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2943	<	Noop r = new Noop();
2944	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2945	<	f.completeExceptionally(new CFException());
2946	<	checkCompletedWithWrappedCFException(g);
2940	>	public void testThenCompose_actionFailed() {
2941	>	for (ExecutionMode m : ExecutionMode.values())
2942	>	for (boolean createIncomplete : new boolean[] { true, false })
2943	>	for (Integer v1 : new Integer[] { 1, null })
2944	>	{
2945	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2946	>	final FailingCompletableFutureFunction r
2947	>	= new FailingCompletableFutureFunction(m);
2948	>	if (!createIncomplete) assertTrue(f.complete(v1));
2949	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2950	>	if (createIncomplete) assertTrue(f.complete(v1));
2951
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);
2952		checkCompletedWithWrappedCFException(g);
2953	<	}
2954	<
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	<	}
2953	>	checkCompletedNormally(f, v1);
2954	>	}}
2955
2956		/**
2957	<	* runAfterEitherAsync result completes exceptionally if either
2988	<	* source cancelled
2957	>	* thenCompose result completes exceptionally if source cancelled
2958		*/
2959	<	public void testRunAfterEitherAsync4E() {
2960	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2961	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2962	<	Noop r = new Noop();
2963	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2964	<	assertTrue(f.cancel(true));
2965	<	checkCompletedWithWrappedCancellationException(g);
2959	>	public void testThenCompose_sourceCancelled() {
2960	>	for (ExecutionMode m : ExecutionMode.values())
2961	>	for (boolean createIncomplete : new boolean[] { true, false })
2962	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2963	>	{
2964	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2965	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2966	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2967	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2968	>	if (createIncomplete) {
2969	>	checkIncomplete(g);
2970	>	assertTrue(f.cancel(mayInterruptIfRunning));
2971	>	}
2972
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());
2973		checkCompletedWithWrappedCancellationException(g);
2974	<	}
2975	<
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	<	}
2974	>	checkCancelled(f);
2975	>	}}
2976
2977		/**
2978	<	* thenComposeAsync result completes exceptionally if action does
2978	>	* thenCompose result completes exceptionally if the result of the action does
2979		*/
2980	<	public void testThenComposeAsync3E() {
2981	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2982	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2983	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2984	<	f.complete(one);
2985	<	checkCompletedWithWrappedCFException(g);
2986	<	}
2980	>	public void testThenCompose_actionReturnsFailingFuture() {
2981	>	for (ExecutionMode m : ExecutionMode.values())
2982	>	for (int order = 0; order < 6; order++)
2983	>	for (Integer v1 : new Integer[] { 1, null })
2984	>	{
2985	>	final CFException ex = new CFException();
2986	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2987	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2988	>	final CompletableFuture<Integer> h;
2989	>	// Test all permutations of orders
2990	>	switch (order) {
2991	>	case 0:
2992	>	assertTrue(f.complete(v1));
2993	>	assertTrue(g.completeExceptionally(ex));
2994	>	h = m.thenCompose(f, (x -> g));
2995	>	break;
2996	>	case 1:
2997	>	assertTrue(f.complete(v1));
2998	>	h = m.thenCompose(f, (x -> g));
2999	>	assertTrue(g.completeExceptionally(ex));
3000	>	break;
3001	>	case 2:
3002	>	assertTrue(g.completeExceptionally(ex));
3003	>	assertTrue(f.complete(v1));
3004	>	h = m.thenCompose(f, (x -> g));
3005	>	break;
3006	>	case 3:
3007	>	assertTrue(g.completeExceptionally(ex));
3008	>	h = m.thenCompose(f, (x -> g));
3009	>	assertTrue(f.complete(v1));
3010	>	break;
3011	>	case 4:
3012	>	h = m.thenCompose(f, (x -> g));
3013	>	assertTrue(f.complete(v1));
3014	>	assertTrue(g.completeExceptionally(ex));
3015	>	break;
3016	>	case 5:
3017	>	h = m.thenCompose(f, (x -> g));
3018	>	assertTrue(f.complete(v1));
3019	>	assertTrue(g.completeExceptionally(ex));
3020	>	break;
3021	>	default: throw new AssertionError();
3022	>	}
3023
3024	<	/**
3025	<	* thenComposeAsync result completes exceptionally if source cancelled
3026	<	*/
3027	<	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	<	}
3024	>	checkCompletedExceptionally(g, ex);
3025	>	checkCompletedWithWrappedException(h, ex);
3026	>	checkCompletedNormally(f, v1);
3027	>	}}
3028
3029		// other static methods
3030
#	Line 3065 | Line 3042 | public class CompletableFutureTest exten
3042		* when all components complete normally
3043		*/
3044		public void testAllOf_normal() throws Exception {
3045	<	for (int k = 1; k < 20; ++k) {
3046	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3047	<	for (int i = 0; i < k; ++i)
3045	>	for (int k = 1; k < 10; k++) {
3046	>	CompletableFuture<Integer>[] fs
3047	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3048	>	for (int i = 0; i < k; i++)
3049		fs[i] = new CompletableFuture<>();
3050		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3051	<	for (int i = 0; i < k; ++i) {
3051	>	for (int i = 0; i < k; i++) {
3052		checkIncomplete(f);
3053		checkIncomplete(CompletableFuture.allOf(fs));
3054		fs[i].complete(one);
#	Line 3080 | Line 3058 | public class CompletableFutureTest exten
3058		}
3059		}
3060
3061	+	public void testAllOf_backwards() throws Exception {
3062	+	for (int k = 1; k < 10; k++) {
3063	+	CompletableFuture<Integer>[] fs
3064	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3065	+	for (int i = 0; i < k; i++)
3066	+	fs[i] = new CompletableFuture<>();
3067	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3068	+	for (int i = k - 1; i >= 0; i--) {
3069	+	checkIncomplete(f);
3070	+	checkIncomplete(CompletableFuture.allOf(fs));
3071	+	fs[i].complete(one);
3072	+	}
3073	+	checkCompletedNormally(f, null);
3074	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3075	+	}
3076	+	}
3077	+
3078	+	public void testAllOf_exceptional() throws Exception {
3079	+	for (int k = 1; k < 10; k++) {
3080	+	CompletableFuture<Integer>[] fs
3081	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3082	+	CFException ex = new CFException();
3083	+	for (int i = 0; i < k; i++)
3084	+	fs[i] = new CompletableFuture<>();
3085	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3086	+	for (int i = 0; i < k; i++) {
3087	+	checkIncomplete(f);
3088	+	checkIncomplete(CompletableFuture.allOf(fs));
3089	+	if (i != k / 2) {
3090	+	fs[i].complete(i);
3091	+	checkCompletedNormally(fs[i], i);
3092	+	} else {
3093	+	fs[i].completeExceptionally(ex);
3094	+	checkCompletedExceptionally(fs[i], ex);
3095	+	}
3096	+	}
3097	+	checkCompletedWithWrappedException(f, ex);
3098	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3099	+	}
3100	+	}
3101	+
3102		/**
3103		* anyOf(no component futures) returns an incomplete future
3104		*/
3105		public void testAnyOf_empty() throws Exception {
3106	+	for (Integer v1 : new Integer[] { 1, null })
3107	+	{
3108		CompletableFuture<Object> f = CompletableFuture.anyOf();
3109		checkIncomplete(f);
3110	<	}
3110	>
3111	>	f.complete(v1);
3112	>	checkCompletedNormally(f, v1);
3113	>	}}
3114
3115		/**
3116		* anyOf returns a future completed normally with a value when
3117		* a component future does
3118		*/
3119		public void testAnyOf_normal() throws Exception {
3120	<	for (int k = 0; k < 10; ++k) {
3120	>	for (int k = 0; k < 10; k++) {
3121		CompletableFuture[] fs = new CompletableFuture[k];
3122	<	for (int i = 0; i < k; ++i)
3122	>	for (int i = 0; i < k; i++)
3123		fs[i] = new CompletableFuture<>();
3124		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3125		checkIncomplete(f);
3126	<	for (int i = 0; i < k; ++i) {
3127	<	fs[i].complete(one);
3128	<	checkCompletedNormally(f, one);
3129	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3126	>	for (int i = 0; i < k; i++) {
3127	>	fs[i].complete(i);
3128	>	checkCompletedNormally(f, 0);
3129	>	int x = (int) CompletableFuture.anyOf(fs).join();
3130	>	assertTrue(0 <= x && x <= i);
3131	>	}
3132	>	}
3133	>	}
3134	>	public void testAnyOf_normal_backwards() throws Exception {
3135	>	for (int k = 0; k < 10; k++) {
3136	>	CompletableFuture[] fs = new CompletableFuture[k];
3137	>	for (int i = 0; i < k; i++)
3138	>	fs[i] = new CompletableFuture<>();
3139	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3140	>	checkIncomplete(f);
3141	>	for (int i = k - 1; i >= 0; i--) {
3142	>	fs[i].complete(i);
3143	>	checkCompletedNormally(f, k - 1);
3144	>	int x = (int) CompletableFuture.anyOf(fs).join();
3145	>	assertTrue(i <= x && x <= k - 1);
3146		}
3147		}
3148		}
#	Line 3111 | Line 3151 | public class CompletableFutureTest exten
3151		* anyOf result completes exceptionally when any component does.
3152		*/
3153		public void testAnyOf_exceptional() throws Exception {
3154	<	for (int k = 0; k < 10; ++k) {
3154	>	for (int k = 0; k < 10; k++) {
3155	>	CompletableFuture[] fs = new CompletableFuture[k];
3156	>	CFException[] exs = new CFException[k];
3157	>	for (int i = 0; i < k; i++) {
3158	>	fs[i] = new CompletableFuture<>();
3159	>	exs[i] = new CFException();
3160	>	}
3161	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3162	>	checkIncomplete(f);
3163	>	for (int i = 0; i < k; i++) {
3164	>	fs[i].completeExceptionally(exs[i]);
3165	>	checkCompletedWithWrappedException(f, exs[0]);
3166	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3167	>	}
3168	>	}
3169	>	}
3170	>
3171	>	public void testAnyOf_exceptional_backwards() throws Exception {
3172	>	for (int k = 0; k < 10; k++) {
3173		CompletableFuture[] fs = new CompletableFuture[k];
3174	<	for (int i = 0; i < k; ++i)
3174	>	CFException[] exs = new CFException[k];
3175	>	for (int i = 0; i < k; i++) {
3176		fs[i] = new CompletableFuture<>();
3177	+	exs[i] = new CFException();
3178	+	}
3179		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3180		checkIncomplete(f);
3181	<	for (int i = 0; i < k; ++i) {
3182	<	fs[i].completeExceptionally(new CFException());
3183	<	checkCompletedWithWrappedCFException(f);
3181	>	for (int i = k - 1; i >= 0; i--) {
3182	>	fs[i].completeExceptionally(exs[i]);
3183	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3184		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3185		}
3186		}
#	Line 3132 | Line 3193 | public class CompletableFutureTest exten
3193		CompletableFuture<Integer> f = new CompletableFuture<>();
3194		CompletableFuture<Integer> g = new CompletableFuture<>();
3195		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3135	–	CompletableFuture<?> h;
3196		ThreadExecutor exec = new ThreadExecutor();
3197
3198		Runnable[] throwingActions = {
3199		() -> CompletableFuture.supplyAsync(null),
3200		() -> CompletableFuture.supplyAsync(null, exec),
3201	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3201	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3202
3203		() -> CompletableFuture.runAsync(null),
3204		() -> CompletableFuture.runAsync(null, exec),
#	Line 3211 | Line 3271 | public class CompletableFutureTest exten
3271
3272		() -> f.thenCompose(null),
3273		() -> f.thenComposeAsync(null),
3274	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3274	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3275		() -> f.thenComposeAsync(null, exec),
3276
3277		() -> f.exceptionally(null),
#	Line 3229 | Line 3289 | public class CompletableFutureTest exten
3289		() -> CompletableFuture.anyOf(null, f),
3290
3291		() -> f.obtrudeException(null),
3292	+
3293	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3294	+	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3295	+	() -> CompletableFuture.delayedExecutor(1L, null),
3296	+
3297	+	() -> f.orTimeout(1L, null),
3298	+	() -> f.completeOnTimeout(42, 1L, null),
3299	+
3300	+	() -> CompletableFuture.failedFuture(null),
3301	+	() -> CompletableFuture.failedStage(null),
3302		};
3303
3304		assertThrows(NullPointerException.class, throwingActions);
#	Line 3243 | Line 3313 | public class CompletableFutureTest exten
3313		assertSame(f, f.toCompletableFuture());
3314		}
3315
3316	+	// jdk9
3317	+
3318		/**
3319	<	* whenComplete action executes on normal completion, propagating
3248	<	* source result.
3319	>	* newIncompleteFuture returns an incomplete CompletableFuture
3320		*/
3321	<	public void testWhenComplete1() {
3322	<	final AtomicInteger a = new AtomicInteger();
3321	>	public void testNewIncompleteFuture() {
3322	>	for (Integer v1 : new Integer[] { 1, null })
3323	>	{
3324		CompletableFuture<Integer> f = new CompletableFuture<>();
3325	<	CompletableFuture<Integer> g =
3326	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3327	<	f.complete(three);
3328	<	checkCompletedNormally(f, three);
3329	<	checkCompletedNormally(g, three);
3330	<	assertEquals(a.get(), 1);
3325	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3326	>	checkIncomplete(f);
3327	>	checkIncomplete(g);
3328	>	f.complete(v1);
3329	>	checkCompletedNormally(f, v1);
3330	>	checkIncomplete(g);
3331	>	g.complete(v1);
3332	>	checkCompletedNormally(g, v1);
3333	>	assertSame(g.getClass(), CompletableFuture.class);
3334	>	}}
3335	>
3336	>	/**
3337	>	* completedStage returns a completed CompletionStage
3338	>	*/
3339	>	public void testCompletedStage() {
3340	>	AtomicInteger x = new AtomicInteger(0);
3341	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3342	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3343	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3344	>	assertEquals(x.get(), 1);
3345	>	assertNull(r.get());
3346		}
3347
3348		/**
3349	<	* whenComplete action executes on exceptional completion, propagating
3350	<	* source result.
3349	>	* defaultExecutor by default returns the commonPool if
3350	>	* it supports more than one thread.
3351		*/
3352	<	public void testWhenComplete2() {
3266	<	final AtomicInteger a = new AtomicInteger();
3352	>	public void testDefaultExecutor() {
3353		CompletableFuture<Integer> f = new CompletableFuture<>();
3354	<	CompletableFuture<Integer> g =
3355	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3356	<	f.completeExceptionally(new CFException());
3357	<	assertTrue(f.isCompletedExceptionally());
3358	<	assertTrue(g.isCompletedExceptionally());
3359	<	assertEquals(a.get(), 1);
3354	>	Executor e = f.defaultExecutor();
3355	>	Executor c = ForkJoinPool.commonPool();
3356	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3357	>	assertSame(e, c);
3358	>	else
3359	>	assertNotSame(e, c);
3360		}
3361
3362		/**
3363	<	* If a whenComplete action throws an exception when triggered by
3364	<	* a normal completion, it completes exceptionally
3363	>	* failedFuture returns a CompletableFuture completed
3364	>	* exceptionally with the given Exception
3365		*/
3366	<	public void testWhenComplete3() {
3367	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3368	<	CompletableFuture<Integer> g =
3369	<	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);
3366	>	public void testFailedFuture() {
3367	>	CFException ex = new CFException();
3368	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3369	>	checkCompletedExceptionally(f, ex);
3370		}
3371
3372		/**
3373	<	* whenCompleteAsync action executes on normal completion, propagating
3293	<	* source result.
3373	>	* failedFuture(null) throws NPE
3374		*/
3375	<	public void testWhenCompleteAsync1() {
3376	<	final AtomicInteger a = new AtomicInteger();
3377	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3378	<	CompletableFuture<Integer> g =
3379	<	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);
3375	>	public void testFailedFuture_null() {
3376	>	try {
3377	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3378	>	shouldThrow();
3379	>	} catch (NullPointerException success) {}
3380		}
3381
3382		/**
3383	<	* whenCompleteAsync action executes on exceptional completion, propagating
3384	<	* source result.
3383	>	* copy returns a CompletableFuture that is completed normally,
3384	>	* with the same value, when source is.
3385		*/
3386	<	public void testWhenCompleteAsync2() {
3311	<	final AtomicInteger a = new AtomicInteger();
3386	>	public void testCopy() {
3387		CompletableFuture<Integer> f = new CompletableFuture<>();
3388	<	CompletableFuture<Integer> g =
3389	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3390	<	f.completeExceptionally(new CFException());
3391	<	checkCompletedWithWrappedCFException(f);
3392	<	checkCompletedWithWrappedCFException(g);
3388	>	CompletableFuture<Integer> g = f.copy();
3389	>	checkIncomplete(f);
3390	>	checkIncomplete(g);
3391	>	f.complete(1);
3392	>	checkCompletedNormally(f, 1);
3393	>	checkCompletedNormally(g, 1);
3394		}
3395
3396		/**
3397	<	* If a whenCompleteAsync action throws an exception when
3398	<	* triggered by a normal completion, it completes exceptionally
3397	>	* copy returns a CompletableFuture that is completed exceptionally
3398	>	* when source is.
3399		*/
3400	<	public void testWhenCompleteAsync3() {
3400	>	public void testCopy2() {
3401		CompletableFuture<Integer> f = new CompletableFuture<>();
3402	<	CompletableFuture<Integer> g =
3403	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3404	<	{ throw new CFException(); } );
3405	<	f.complete(three);
3406	<	checkCompletedNormally(f, three);
3407	<	checkCompletedWithWrappedCFException(g);
3402	>	CompletableFuture<Integer> g = f.copy();
3403	>	checkIncomplete(f);
3404	>	checkIncomplete(g);
3405	>	CFException ex = new CFException();
3406	>	f.completeExceptionally(ex);
3407	>	checkCompletedExceptionally(f, ex);
3408	>	checkCompletedWithWrappedException(g, ex);
3409		}
3410
3411		/**
3412	<	* whenCompleteAsync action executes on normal completion, propagating
3413	<	* source result.
3412	>	* minimalCompletionStage returns a CompletableFuture that is
3413	>	* completed normally, with the same value, when source is.
3414		*/
3415	<	public void testWhenCompleteAsync1e() {
3339	<	final AtomicInteger a = new AtomicInteger();
3340	<	ThreadExecutor exec = new ThreadExecutor();
3415	>	public void testMinimalCompletionStage() {
3416		CompletableFuture<Integer> f = new CompletableFuture<>();
3417	<	CompletableFuture<Integer> g =
3418	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3419	<	exec);
3420	<	f.complete(three);
3421	<	checkCompletedNormally(f, three);
3422	<	checkCompletedNormally(g, three);
3423	<	assertEquals(a.get(), 1);
3417	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3418	>	AtomicInteger x = new AtomicInteger(0);
3419	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3420	>	checkIncomplete(f);
3421	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3422	>	f.complete(1);
3423	>	checkCompletedNormally(f, 1);
3424	>	assertEquals(x.get(), 1);
3425	>	assertNull(r.get());
3426		}
3427
3428		/**
3429	<	* whenCompleteAsync action executes on exceptional completion, propagating
3430	<	* source result.
3429	>	* minimalCompletionStage returns a CompletableFuture that is
3430	>	* completed exceptionally when source is.
3431		*/
3432	<	public void testWhenCompleteAsync2e() {
3356	<	final AtomicInteger a = new AtomicInteger();
3357	<	ThreadExecutor exec = new ThreadExecutor();
3432	>	public void testMinimalCompletionStage2() {
3433		CompletableFuture<Integer> f = new CompletableFuture<>();
3434	<	CompletableFuture<Integer> g =
3435	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3436	<	exec);
3437	<	f.completeExceptionally(new CFException());
3438	<	checkCompletedWithWrappedCFException(f);
3439	<	checkCompletedWithWrappedCFException(g);
3434	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3435	>	AtomicInteger x = new AtomicInteger(0);
3436	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3437	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3438	>	checkIncomplete(f);
3439	>	CFException ex = new CFException();
3440	>	f.completeExceptionally(ex);
3441	>	checkCompletedExceptionally(f, ex);
3442	>	assertEquals(x.get(), 0);
3443	>	assertEquals(r.get().getCause(), ex);
3444		}
3445
3446		/**
3447	<	* If a whenCompleteAsync action throws an exception when triggered
3448	<	* by a normal completion, it completes exceptionally
3447	>	* failedStage returns a CompletionStage completed
3448	>	* exceptionally with the given Exception
3449		*/
3450	<	public void testWhenCompleteAsync3e() {
3451	<	ThreadExecutor exec = new ThreadExecutor();
3450	>	public void testFailedStage() {
3451	>	CFException ex = new CFException();
3452	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3453	>	AtomicInteger x = new AtomicInteger(0);
3454	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3455	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3456	>	assertEquals(x.get(), 0);
3457	>	assertEquals(r.get(), ex);
3458	>	}
3459	>
3460	>	/**
3461	>	* completeAsync completes with value of given supplier
3462	>	*/
3463	>	public void testCompleteAsync() {
3464	>	for (Integer v1 : new Integer[] { 1, null })
3465	>	{
3466		CompletableFuture<Integer> f = new CompletableFuture<>();
3467	<	CompletableFuture<Integer> g =
3468	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3469	<	{ throw new CFException(); },
3470	<	exec);
3471	<	f.complete(three);
3472	<	checkCompletedNormally(f, three);
3473	<	checkCompletedWithWrappedCFException(g);
3467	>	f.completeAsync(() -> v1);
3468	>	f.join();
3469	>	checkCompletedNormally(f, v1);
3470	>	}}
3471	>
3472	>	/**
3473	>	* completeAsync completes exceptionally if given supplier throws
3474	>	*/
3475	>	public void testCompleteAsync2() {
3476	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3477	>	CFException ex = new CFException();
3478	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3479	>	try {
3480	>	f.join();
3481	>	shouldThrow();
3482	>	} catch (CompletionException success) {}
3483	>	checkCompletedWithWrappedException(f, ex);
3484		}
3485
3486		/**
3487	<	* handleAsync action completes normally with function value on
3385	<	* either normal or exceptional completion of source
3487	>	* completeAsync with given executor completes with value of given supplier
3488		*/
3489	<	public void testHandleAsync() {
3490	<	CompletableFuture<Integer> f, g;
3491	<	IntegerHandler r;
3489	>	public void testCompleteAsync3() {
3490	>	for (Integer v1 : new Integer[] { 1, null })
3491	>	{
3492	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3493	>	ThreadExecutor executor = new ThreadExecutor();
3494	>	f.completeAsync(() -> v1, executor);
3495	>	assertSame(v1, f.join());
3496	>	checkCompletedNormally(f, v1);
3497	>	assertEquals(1, executor.count.get());
3498	>	}}
3499
3500	<	f = new CompletableFuture<>();
3501	<	g = f.handleAsync(r = new IntegerHandler());
3502	<	assertFalse(r.ran);
3503	<	f.completeExceptionally(new CFException());
3504	<	checkCompletedWithWrappedCFException(f);
3505	<	checkCompletedNormally(g, three);
3506	<	assertTrue(r.ran);
3500	>	/**
3501	>	* completeAsync with given executor completes exceptionally if
3502	>	* given supplier throws
3503	>	*/
3504	>	public void testCompleteAsync4() {
3505	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3506	>	CFException ex = new CFException();
3507	>	ThreadExecutor executor = new ThreadExecutor();
3508	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3509	>	try {
3510	>	f.join();
3511	>	shouldThrow();
3512	>	} catch (CompletionException success) {}
3513	>	checkCompletedWithWrappedException(f, ex);
3514	>	assertEquals(1, executor.count.get());
3515	>	}
3516
3517	<	f = new CompletableFuture<>();
3518	<	g = f.handleAsync(r = new IntegerHandler());
3519	<	assertFalse(r.ran);
3520	<	f.completeExceptionally(new CFException());
3521	<	checkCompletedWithWrappedCFException(f);
3522	<	checkCompletedNormally(g, three);
3523	<	assertTrue(r.ran);
3517	>	/**
3518	>	* orTimeout completes with TimeoutException if not complete
3519	>	*/
3520	>	public void testOrTimeout_timesOut() {
3521	>	long timeoutMillis = timeoutMillis();
3522	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3523	>	long startTime = System.nanoTime();
3524	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3525	>	checkCompletedWithTimeoutException(f);
3526	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3527	>	}
3528
3529	<	f = new CompletableFuture<>();
3530	<	g = f.handleAsync(r = new IntegerHandler());
3531	<	assertFalse(r.ran);
3532	<	f.complete(one);
3533	<	checkCompletedNormally(f, one);
3534	<	checkCompletedNormally(g, two);
3535	<	assertTrue(r.ran);
3529	>	/**
3530	>	* orTimeout completes normally if completed before timeout
3531	>	*/
3532	>	public void testOrTimeout_completed() {
3533	>	for (Integer v1 : new Integer[] { 1, null })
3534	>	{
3535	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3536	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3537	>	long startTime = System.nanoTime();
3538	>	f.complete(v1);
3539	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3540	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3541	>	g.complete(v1);
3542	>	checkCompletedNormally(f, v1);
3543	>	checkCompletedNormally(g, v1);
3544	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3545	>	}}
3546
3547	<	f = new CompletableFuture<>();
3548	<	g = f.handleAsync(r = new IntegerHandler());
3549	<	assertFalse(r.ran);
3550	<	f.complete(one);
3551	<	checkCompletedNormally(f, one);
3552	<	checkCompletedNormally(g, two);
3553	<	assertTrue(r.ran);
3547	>	/**
3548	>	* completeOnTimeout completes with given value if not complete
3549	>	*/
3550	>	public void testCompleteOnTimeout_timesOut() {
3551	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3552	>	() -> testCompleteOnTimeout_timesOut(null));
3553	>	}
3554	>
3555	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3556	>	long timeoutMillis = timeoutMillis();
3557	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3558	>	long startTime = System.nanoTime();
3559	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3560	>	assertSame(v, f.join());
3561	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3562	>	f.complete(99);         // should have no effect
3563	>	checkCompletedNormally(f, v);
3564		}
3565
3566		/**
3567	<	* handleAsync action with Executor completes normally with
3426	<	* function value on either normal or exceptional completion of
3427	<	* source
3567	>	* completeOnTimeout has no effect if completed within timeout
3568		*/
3569	<	public void testHandleAsync2() {
3570	<	CompletableFuture<Integer> f, g;
3571	<	ThreadExecutor exec = new ThreadExecutor();
3572	<	IntegerHandler r;
3569	>	public void testCompleteOnTimeout_completed() {
3570	>	for (Integer v1 : new Integer[] { 1, null })
3571	>	{
3572	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3573	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3574	>	long startTime = System.nanoTime();
3575	>	f.complete(v1);
3576	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3577	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3578	>	g.complete(v1);
3579	>	checkCompletedNormally(f, v1);
3580	>	checkCompletedNormally(g, v1);
3581	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3582	>	}}
3583
3584	<	f = new CompletableFuture<>();
3585	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3586	<	assertFalse(r.ran);
3587	<	f.completeExceptionally(new CFException());
3588	<	checkCompletedWithWrappedCFException(f);
3589	<	checkCompletedNormally(g, three);
3590	<	assertTrue(r.ran);
3584	>	/**
3585	>	* delayedExecutor returns an executor that delays submission
3586	>	*/
3587	>	public void testDelayedExecutor() {
3588	>	testInParallel(() -> testDelayedExecutor(null, null),
3589	>	() -> testDelayedExecutor(null, 1),
3590	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3591	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3592	>	}
3593	>
3594	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3595	>	long timeoutMillis = timeoutMillis();
3596	>	// Use an "unreasonably long" long timeout to catch lingering threads
3597	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3598	>	final Executor delayer, longDelayer;
3599	>	if (executor == null) {
3600	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3601	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3602	>	} else {
3603	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3604	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3605	>	}
3606	>	long startTime = System.nanoTime();
3607	>	CompletableFuture<Integer> f =
3608	>	CompletableFuture.supplyAsync(() -> v, delayer);
3609	>	CompletableFuture<Integer> g =
3610	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3611
3612	<	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);
3612	>	assertNull(g.getNow(null));
3613
3614	<	f = new CompletableFuture<>();
3615	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3616	<	assertFalse(r.ran);
3617	<	f.complete(one);
3454	<	checkCompletedNormally(f, one);
3455	<	checkCompletedNormally(g, two);
3456	<	assertTrue(r.ran);
3614	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3615	>	long millisElapsed = millisElapsedSince(startTime);
3616	>	assertTrue(millisElapsed >= timeoutMillis);
3617	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3618
3619	<	f = new CompletableFuture<>();
3620	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3621	<	assertFalse(r.ran);
3622	<	f.complete(one);
3462	<	checkCompletedNormally(f, one);
3463	<	checkCompletedNormally(g, two);
3464	<	assertTrue(r.ran);
3619	>	checkCompletedNormally(f, v);
3620	>
3621	>	checkIncomplete(g);
3622	>	assertTrue(g.cancel(true));
3623		}
3624
3625	+	//--- tests of implementation details; not part of official tck ---
3626	+
3627	+	Object resultOf(CompletableFuture<?> f) {
3628	+	try {
3629	+	java.lang.reflect.Field resultField
3630	+	= CompletableFuture.class.getDeclaredField("result");
3631	+	resultField.setAccessible(true);
3632	+	return resultField.get(f);
3633	+	} catch (Throwable t) { throw new AssertionError(t); }
3634	+	}
3635	+
3636	+	public void testExceptionPropagationReusesResultObject() {
3637	+	if (!testImplementationDetails) return;
3638	+	for (ExecutionMode m : ExecutionMode.values())
3639	+	{
3640	+	final CFException ex = new CFException();
3641	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3642	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3643	+
3644	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3645	+	= new ArrayList<>();
3646	+
3647	+	funs.add((y) -> m.thenRun(y, new Noop(m)));
3648	+	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3649	+	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3650	+
3651	+	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3652	+	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3653	+	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3654	+
3655	+	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3656	+	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3657	+	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3658	+
3659	+	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3660	+
3661	+	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3662	+
3663	+	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3664	+	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3665	+
3666	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3667	+	fun : funs) {
3668	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3669	+	f.completeExceptionally(ex);
3670	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3671	+	checkCompletedWithWrappedException(src, ex);
3672	+	CompletableFuture<?> dep = fun.apply(src);
3673	+	checkCompletedWithWrappedException(dep, ex);
3674	+	assertSame(resultOf(src), resultOf(dep));
3675	+	}
3676	+
3677	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3678	+	fun : funs) {
3679	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3680	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3681	+	CompletableFuture<?> dep = fun.apply(src);
3682	+	f.completeExceptionally(ex);
3683	+	checkCompletedWithWrappedException(src, ex);
3684	+	checkCompletedWithWrappedException(dep, ex);
3685	+	assertSame(resultOf(src), resultOf(dep));
3686	+	}
3687	+
3688	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3689	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3690	+	fun : funs) {
3691	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3692	+	f.cancel(mayInterruptIfRunning);
3693	+	checkCancelled(f);
3694	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3695	+	checkCompletedWithWrappedCancellationException(src);
3696	+	CompletableFuture<?> dep = fun.apply(src);
3697	+	checkCompletedWithWrappedCancellationException(dep);
3698	+	assertSame(resultOf(src), resultOf(dep));
3699	+	}
3700	+
3701	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3702	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3703	+	fun : funs) {
3704	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3705	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3706	+	CompletableFuture<?> dep = fun.apply(src);
3707	+	f.cancel(mayInterruptIfRunning);
3708	+	checkCancelled(f);
3709	+	checkCompletedWithWrappedCancellationException(src);
3710	+	checkCompletedWithWrappedCancellationException(dep);
3711	+	assertSame(resultOf(src), resultOf(dep));
3712	+	}
3713	+	}}
3714	+
3715	+	/**
3716	+	* Minimal completion stages throw UOE for all non-CompletionStage methods
3717	+	*/
3718	+	public void testMinimalCompletionStage_minimality() {
3719	+	if (!testImplementationDetails) return;
3720	+	Function<Method, String> toSignature =
3721	+	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3722	+	Predicate<Method> isNotStatic =
3723	+	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3724	+	List<Method> minimalMethods =
3725	+	Stream.of(Object.class, CompletionStage.class)
3726	+	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3727	+	.filter(isNotStatic)
3728	+	.collect(Collectors.toList());
3729	+	// Methods from CompletableFuture permitted NOT to throw UOE
3730	+	String[] signatureWhitelist = {
3731	+	"newIncompleteFuture[]",
3732	+	"defaultExecutor[]",
3733	+	"minimalCompletionStage[]",
3734	+	"copy[]",
3735	+	};
3736	+	Set<String> permittedMethodSignatures =
3737	+	Stream.concat(minimalMethods.stream().map(toSignature),
3738	+	Stream.of(signatureWhitelist))
3739	+	.collect(Collectors.toSet());
3740	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3741	+	.filter(isNotStatic)
3742	+	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3743	+	.collect(Collectors.toList());
3744	+
3745	+	CompletionStage<Integer> minimalStage =
3746	+	new CompletableFuture<Integer>().minimalCompletionStage();
3747	+
3748	+	List<Method> bugs = new ArrayList<>();
3749	+	for (Method method : allMethods) {
3750	+	Class<?>[] parameterTypes = method.getParameterTypes();
3751	+	Object[] args = new Object[parameterTypes.length];
3752	+	// Manufacture boxed primitives for primitive params
3753	+	for (int i = 0; i < args.length; i++) {
3754	+	Class<?> type = parameterTypes[i];
3755	+	if (parameterTypes[i] == boolean.class)
3756	+	args[i] = false;
3757	+	else if (parameterTypes[i] == int.class)
3758	+	args[i] = 0;
3759	+	else if (parameterTypes[i] == long.class)
3760	+	args[i] = 0L;
3761	+	}
3762	+	try {
3763	+	method.invoke(minimalStage, args);
3764	+	bugs.add(method);
3765	+	}
3766	+	catch (java.lang.reflect.InvocationTargetException expected) {
3767	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3768	+	bugs.add(method);
3769	+	// expected.getCause().printStackTrace();
3770	+	}
3771	+	}
3772	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3773	+	}
3774	+	if (!bugs.isEmpty())
3775	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3776	+	}
3777	+
3778	+	static class Monad {
3779	+	static class ZeroException extends RuntimeException {
3780	+	public ZeroException() { super("monadic zero"); }
3781	+	}
3782	+	// "return", "unit"
3783	+	static <T> CompletableFuture<T> unit(T value) {
3784	+	return completedFuture(value);
3785	+	}
3786	+	// monadic zero ?
3787	+	static <T> CompletableFuture<T> zero() {
3788	+	return failedFuture(new ZeroException());
3789	+	}
3790	+	// >=>
3791	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3792	+	(Function<T, CompletableFuture<U>> f,
3793	+	Function<U, CompletableFuture<V>> g) {
3794	+	return (x) -> f.apply(x).thenCompose(g);
3795	+	}
3796	+
3797	+	static void assertZero(CompletableFuture<?> f) {
3798	+	try {
3799	+	f.getNow(null);
3800	+	throw new AssertionFailedError("should throw");
3801	+	} catch (CompletionException success) {
3802	+	assertTrue(success.getCause() instanceof ZeroException);
3803	+	}
3804	+	}
3805	+
3806	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
3807	+	CompletableFuture<T> g) {
3808	+	T fval = null, gval = null;
3809	+	Throwable fex = null, gex = null;
3810	+
3811	+	try { fval = f.get(); }
3812	+	catch (ExecutionException ex) { fex = ex.getCause(); }
3813	+	catch (Throwable ex) { fex = ex; }
3814	+
3815	+	try { gval = g.get(); }
3816	+	catch (ExecutionException ex) { gex = ex.getCause(); }
3817	+	catch (Throwable ex) { gex = ex; }
3818	+
3819	+	if (fex != null || gex != null)
3820	+	assertSame(fex.getClass(), gex.getClass());
3821	+	else
3822	+	assertEquals(fval, gval);
3823	+	}
3824	+
3825	+	static class PlusFuture<T> extends CompletableFuture<T> {
3826	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3827	+	}
3828	+
3829	+	// Monadic "plus"
3830	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3831	+	CompletableFuture<? extends T> g) {
3832	+	PlusFuture<T> plus = new PlusFuture<T>();
3833	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3834	+	if (ex == null) {
3835	+	if (plus.complete(result))
3836	+	if (plus.firstFailure.get() != null)
3837	+	plus.firstFailure.set(null);
3838	+	}
3839	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
3840	+	if (plus.isDone())
3841	+	plus.firstFailure.set(null);
3842	+	}
3843	+	else {
3844	+	// first failure has precedence
3845	+	Throwable first = plus.firstFailure.getAndSet(null);
3846	+
3847	+	// may fail with "Self-suppression not permitted"
3848	+	try { first.addSuppressed(ex); }
3849	+	catch (Exception ignored) {}
3850	+
3851	+	plus.completeExceptionally(first);
3852	+	}
3853	+	};
3854	+	f.whenComplete(action);
3855	+	g.whenComplete(action);
3856	+	return plus;
3857	+	}
3858	+	}
3859	+
3860	+	/**
3861	+	* CompletableFuture is an additive monad - sort of.
3862	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3863	+	*/
3864	+	public void testAdditiveMonad() throws Throwable {
3865	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3866	+	CompletableFuture<Long> zero = Monad.zero();
3867	+
3868	+	// Some mutually non-commutative functions
3869	+	Function<Long, CompletableFuture<Long>> triple
3870	+	= (x) -> Monad.unit(3 * x);
3871	+	Function<Long, CompletableFuture<Long>> inc
3872	+	= (x) -> Monad.unit(x + 1);
3873	+
3874	+	// unit is a right identity: m >>= unit === m
3875	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3876	+	inc.apply(5L));
3877	+	// unit is a left identity: (unit x) >>= f === f x
3878	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3879	+	inc.apply(5L));
3880	+
3881	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3882	+	Monad.assertFutureEquals(
3883	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3884	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3885	+
3886	+	// The case for CompletableFuture as an additive monad is weaker...
3887	+
3888	+	// zero is a monadic zero
3889	+	Monad.assertZero(zero);
3890	+
3891	+	// left zero: zero >>= f === zero
3892	+	Monad.assertZero(zero.thenCompose(inc));
3893	+	// right zero: f >>= (\x -> zero) === zero
3894	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3895	+
3896	+	// f plus zero === f
3897	+	Monad.assertFutureEquals(Monad.unit(5L),
3898	+	Monad.plus(Monad.unit(5L), zero));
3899	+	// zero plus f === f
3900	+	Monad.assertFutureEquals(Monad.unit(5L),
3901	+	Monad.plus(zero, Monad.unit(5L)));
3902	+	// zero plus zero === zero
3903	+	Monad.assertZero(Monad.plus(zero, zero));
3904	+	{
3905	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3906	+	Monad.unit(8L));
3907	+	// non-determinism
3908	+	assertTrue(f.get() == 5L || f.get() == 8L);
3909	+	}
3910	+
3911	+	CompletableFuture<Long> godot = new CompletableFuture<>();
3912	+	// f plus godot === f (doesn't wait for godot)
3913	+	Monad.assertFutureEquals(Monad.unit(5L),
3914	+	Monad.plus(Monad.unit(5L), godot));
3915	+	// godot plus f === f (doesn't wait for godot)
3916	+	Monad.assertFutureEquals(Monad.unit(5L),
3917	+	Monad.plus(godot, Monad.unit(5L)));
3918	+	}
3919	+
3920	+	//     static <U> U join(CompletionStage<U> stage) {
3921	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3922	+	//         stage.whenComplete((v, ex) -> {
3923	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3924	+	//         });
3925	+	//         return f.join();
3926	+	//     }
3927	+
3928	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
3929	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3930	+	//         stage.whenComplete((v, ex) -> {
3931	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3932	+	//         });
3933	+	//         return f.isDone();
3934	+	//     }
3935	+
3936	+	//     static <U> U join2(CompletionStage<U> stage) {
3937	+	//         return stage.toCompletableFuture().copy().join();
3938	+	//     }
3939	+
3940	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3941	+	//         return stage.toCompletableFuture().copy().isDone();
3942	+	//     }
3943	+
3944		}

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