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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.34 by jsr166, Sun Jun 1 21:17:05 2014 UTC vs.
Revision 1.142 by dl, Fri Apr 1 23:18:00 2016 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28	+	import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33		import java.util.concurrent.TimeoutException;
34	+	import java.util.concurrent.TimeUnit;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
22	<	import static java.util.concurrent.TimeUnit.SECONDS;
23	<	import java.util.*;
24	<	import java.util.function.Supplier;
25	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
27	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.AssertionFailedError;
45	+	import junit.framework.Test;
46	+	import junit.framework.TestSuite;
47
48		public class CompletableFutureTest extends JSR166TestCase {
49
50		public static void main(String[] args) {
51	<	junit.textui.TestRunner.run(suite());
51	>	main(suite(), args);
52		}
53		public static Test suite() {
54		return new TestSuite(CompletableFutureTest.class);
#	Line 41 | Line 59 | public class CompletableFutureTest exten
59		void checkIncomplete(CompletableFuture<?> f) {
60		assertFalse(f.isDone());
61		assertFalse(f.isCancelled());
62	<	assertTrue(f.toString().contains("[Not completed]"));
62	>	assertTrue(f.toString().contains("Not completed"));
63		try {
64		assertNull(f.getNow(null));
65		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 54 | Line 72 | public class CompletableFutureTest exten
72		}
73
74		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
75	<	try {
76	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
59	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
79		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 72 | Line 89 | public class CompletableFutureTest exten
89		assertTrue(f.toString().contains("[Completed normally]"));
90		}
91
92	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
93	<	try {
94	<	f.get(LONG_DELAY_MS, MILLISECONDS);
95	<	shouldThrow();
96	<	} catch (ExecutionException success) {
97	<	assertTrue(success.getCause() instanceof CFException);
98	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
99	<	try {
100	<	f.join();
101	<	shouldThrow();
102	<	} catch (CompletionException success) {
103	<	assertTrue(success.getCause() instanceof CFException);
104	<	}
105	<	try {
106	<	f.getNow(null);
107	<	shouldThrow();
108	<	} catch (CompletionException success) {
92	<	assertTrue(success.getCause() instanceof CFException);
92	>	/**
93	>	* Returns the "raw" internal exceptional completion of f,
94	>	* without any additional wrapping with CompletionException.
95	>	*/
96	>	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
97	>	// handle (and whenComplete) can distinguish between "direct"
98	>	// and "wrapped" exceptional completion
99	>	return f.handle((U u, Throwable t) -> t).join();
100	>	}
101	>
102	>	void checkCompletedExceptionally(CompletableFuture<?> f,
103	>	boolean wrapped,
104	>	Consumer<Throwable> checker) {
105	>	Throwable cause = exceptionalCompletion(f);
106	>	if (wrapped) {
107	>	assertTrue(cause instanceof CompletionException);
108	>	cause = cause.getCause();
109		}
110	<	try {
95	<	f.get();
96	<	shouldThrow();
97	<	} catch (ExecutionException success) {
98	<	assertTrue(success.getCause() instanceof CFException);
99	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
100	<	assertTrue(f.isDone());
101	<	assertFalse(f.isCancelled());
102	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
103	<	}
110	>	checker.accept(cause);
111
112	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
106	<	CFException ex) {
112	>	long startTime = System.nanoTime();
113		try {
114		f.get(LONG_DELAY_MS, MILLISECONDS);
115		shouldThrow();
116		} catch (ExecutionException success) {
117	<	assertSame(ex, success.getCause());
117	>	assertSame(cause, success.getCause());
118		} catch (Throwable fail) { threadUnexpectedException(fail); }
119	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
120	+
121		try {
122		f.join();
123		shouldThrow();
124		} catch (CompletionException success) {
125	<	assertSame(ex, success.getCause());
126	<	}
125	>	assertSame(cause, success.getCause());
126	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
127	>
128		try {
129		f.getNow(null);
130		shouldThrow();
131		} catch (CompletionException success) {
132	<	assertSame(ex, success.getCause());
133	<	}
132	>	assertSame(cause, success.getCause());
133	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
134	>
135		try {
136		f.get();
137		shouldThrow();
138		} catch (ExecutionException success) {
139	<	assertSame(ex, success.getCause());
139	>	assertSame(cause, success.getCause());
140		} catch (Throwable fail) { threadUnexpectedException(fail); }
141	<	assertTrue(f.isDone());
141	>
142		assertFalse(f.isCancelled());
143	+	assertTrue(f.isDone());
144	+	assertTrue(f.isCompletedExceptionally());
145		assertTrue(f.toString().contains("[Completed exceptionally]"));
146		}
147
148	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
149	+	checkCompletedExceptionally(f, true,
150	+	(t) -> assertTrue(t instanceof CFException));
151	+	}
152	+
153	+	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
154	+	checkCompletedExceptionally(f, true,
155	+	(t) -> assertTrue(t instanceof CancellationException));
156	+	}
157	+
158	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
159	+	checkCompletedExceptionally(f, false,
160	+	(t) -> assertTrue(t instanceof TimeoutException));
161	+	}
162	+
163	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
164	+	Throwable ex) {
165	+	checkCompletedExceptionally(f, true, (t) -> assertSame(t, ex));
166	+	}
167	+
168	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
169	+	checkCompletedExceptionally(f, false, (t) -> assertSame(t, ex));
170	+	}
171	+
172		void checkCancelled(CompletableFuture<?> f) {
173	+	long startTime = System.nanoTime();
174		try {
175		f.get(LONG_DELAY_MS, MILLISECONDS);
176		shouldThrow();
177		} catch (CancellationException success) {
178		} catch (Throwable fail) { threadUnexpectedException(fail); }
179	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
180	+
181		try {
182		f.join();
183		shouldThrow();
#	Line 152 | Line 191 | public class CompletableFutureTest exten
191		shouldThrow();
192		} catch (CancellationException success) {
193		} catch (Throwable fail) { threadUnexpectedException(fail); }
155	–	assertTrue(f.isDone());
156	–	assertTrue(f.isCompletedExceptionally());
157	–	assertTrue(f.isCancelled());
158	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
159	–	}
194
195	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
196	<	try {
163	<	f.get(LONG_DELAY_MS, MILLISECONDS);
164	<	shouldThrow();
165	<	} catch (ExecutionException success) {
166	<	assertTrue(success.getCause() instanceof CancellationException);
167	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
168	<	try {
169	<	f.join();
170	<	shouldThrow();
171	<	} catch (CompletionException success) {
172	<	assertTrue(success.getCause() instanceof CancellationException);
173	<	}
174	<	try {
175	<	f.getNow(null);
176	<	shouldThrow();
177	<	} catch (CompletionException success) {
178	<	assertTrue(success.getCause() instanceof CancellationException);
179	<	}
180	<	try {
181	<	f.get();
182	<	shouldThrow();
183	<	} catch (ExecutionException success) {
184	<	assertTrue(success.getCause() instanceof CancellationException);
185	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
195	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
196	>
197		assertTrue(f.isDone());
187	–	assertFalse(f.isCancelled());
198		assertTrue(f.isCompletedExceptionally());
199	+	assertTrue(f.isCancelled());
200		assertTrue(f.toString().contains("[Completed exceptionally]"));
201		}
202
#	Line 203 | Line 214 | public class CompletableFutureTest exten
214		* isCancelled, join, get, and getNow
215		*/
216		public void testComplete() {
217	+	for (Integer v1 : new Integer[] { 1, null })
218	+	{
219		CompletableFuture<Integer> f = new CompletableFuture<>();
220		checkIncomplete(f);
221	<	f.complete(one);
222	<	checkCompletedNormally(f, one);
223	<	}
221	>	assertTrue(f.complete(v1));
222	>	assertFalse(f.complete(v1));
223	>	checkCompletedNormally(f, v1);
224	>	}}
225
226		/**
227		* completeExceptionally completes exceptionally, as indicated by
#	Line 215 | Line 229 | public class CompletableFutureTest exten
229		*/
230		public void testCompleteExceptionally() {
231		CompletableFuture<Integer> f = new CompletableFuture<>();
232	+	CFException ex = new CFException();
233		checkIncomplete(f);
234	<	f.completeExceptionally(new CFException());
235	<	checkCompletedWithWrappedCFException(f);
234	>	f.completeExceptionally(ex);
235	>	checkCompletedExceptionally(f, ex);
236		}
237
238		/**
#	Line 225 | Line 240 | public class CompletableFutureTest exten
240		* methods isDone, isCancelled, join, get, and getNow
241		*/
242		public void testCancel() {
243	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
244	+	{
245		CompletableFuture<Integer> f = new CompletableFuture<>();
246		checkIncomplete(f);
247	<	assertTrue(f.cancel(true));
247	>	assertTrue(f.cancel(mayInterruptIfRunning));
248	>	assertTrue(f.cancel(mayInterruptIfRunning));
249	>	assertTrue(f.cancel(!mayInterruptIfRunning));
250		checkCancelled(f);
251	<	}
251	>	}}
252
253		/**
254		* obtrudeValue forces completion with given value
#	Line 237 | Line 256 | public class CompletableFutureTest exten
256		public void testObtrudeValue() {
257		CompletableFuture<Integer> f = new CompletableFuture<>();
258		checkIncomplete(f);
259	<	f.complete(one);
259	>	assertTrue(f.complete(one));
260		checkCompletedNormally(f, one);
261		f.obtrudeValue(three);
262		checkCompletedNormally(f, three);
#	Line 246 | Line 265 | public class CompletableFutureTest exten
265		f = new CompletableFuture<>();
266		f.obtrudeValue(three);
267		checkCompletedNormally(f, three);
268	+	f.obtrudeValue(null);
269	+	checkCompletedNormally(f, null);
270		f = new CompletableFuture<>();
271		f.completeExceptionally(new CFException());
272		f.obtrudeValue(four);
#	Line 256 | Line 277 | public class CompletableFutureTest exten
277		* obtrudeException forces completion with given exception
278		*/
279		public void testObtrudeException() {
280	<	CompletableFuture<Integer> f = new CompletableFuture<>();
281	<	checkIncomplete(f);
282	<	f.complete(one);
283	<	checkCompletedNormally(f, one);
284	<	f.obtrudeException(new CFException());
264	<	checkCompletedWithWrappedCFException(f);
280	>	for (Integer v1 : new Integer[] { 1, null })
281	>	{
282	>	CFException ex;
283	>	CompletableFuture<Integer> f;
284	>
285		f = new CompletableFuture<>();
286	<	f.obtrudeException(new CFException());
287	<	checkCompletedWithWrappedCFException(f);
286	>	assertTrue(f.complete(v1));
287	>	for (int i = 0; i < 2; i++) {
288	>	f.obtrudeException(ex = new CFException());
289	>	checkCompletedExceptionally(f, ex);
290	>	}
291	>
292	>	f = new CompletableFuture<>();
293	>	for (int i = 0; i < 2; i++) {
294	>	f.obtrudeException(ex = new CFException());
295	>	checkCompletedExceptionally(f, ex);
296	>	}
297	>
298		f = new CompletableFuture<>();
299	+	f.completeExceptionally(ex = new CFException());
300	+	f.obtrudeValue(v1);
301	+	checkCompletedNormally(f, v1);
302	+	f.obtrudeException(ex = new CFException());
303	+	checkCompletedExceptionally(f, ex);
304		f.completeExceptionally(new CFException());
305	<	f.obtrudeValue(four);
306	<	checkCompletedNormally(f, four);
307	<	f.obtrudeException(new CFException());
308	<	checkCompletedWithWrappedCFException(f);
274	<	}
305	>	checkCompletedExceptionally(f, ex);
306	>	assertFalse(f.complete(v1));
307	>	checkCompletedExceptionally(f, ex);
308	>	}}
309
310		/**
311		* getNumberOfDependents returns number of dependent tasks
312		*/
313		public void testGetNumberOfDependents() {
314	+	for (ExecutionMode m : ExecutionMode.values())
315	+	for (Integer v1 : new Integer[] { 1, null })
316	+	{
317		CompletableFuture<Integer> f = new CompletableFuture<>();
318	<	assertEquals(f.getNumberOfDependents(), 0);
319	<	CompletableFuture g = f.thenRun(new Noop());
320	<	assertEquals(f.getNumberOfDependents(), 1);
321	<	assertEquals(g.getNumberOfDependents(), 0);
322	<	CompletableFuture h = f.thenRun(new Noop());
323	<	assertEquals(f.getNumberOfDependents(), 2);
324	<	f.complete(1);
318	>	assertEquals(0, f.getNumberOfDependents());
319	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
320	>	assertEquals(1, f.getNumberOfDependents());
321	>	assertEquals(0, g.getNumberOfDependents());
322	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
323	>	assertEquals(2, f.getNumberOfDependents());
324	>	assertEquals(0, h.getNumberOfDependents());
325	>	assertTrue(f.complete(v1));
326		checkCompletedNormally(g, null);
327	<	assertEquals(f.getNumberOfDependents(), 0);
328	<	assertEquals(g.getNumberOfDependents(), 0);
329	<	}
327	>	checkCompletedNormally(h, null);
328	>	assertEquals(0, f.getNumberOfDependents());
329	>	assertEquals(0, g.getNumberOfDependents());
330	>	assertEquals(0, h.getNumberOfDependents());
331	>	}}
332
333		/**
334		* toString indicates current completion state
#	Line 299 | Line 339 | public class CompletableFutureTest exten
339		f = new CompletableFuture<String>();
340		assertTrue(f.toString().contains("[Not completed]"));
341
342	<	f.complete("foo");
342	>	assertTrue(f.complete("foo"));
343		assertTrue(f.toString().contains("[Completed normally]"));
344
345		f = new CompletableFuture<String>();
346	<	f.completeExceptionally(new IndexOutOfBoundsException());
346	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
347		assertTrue(f.toString().contains("[Completed exceptionally]"));
348	+
349	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
350	+	f = new CompletableFuture<String>();
351	+	assertTrue(f.cancel(mayInterruptIfRunning));
352	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
353	+	}
354		}
355
356		/**
#	Line 315 | Line 361 | public class CompletableFutureTest exten
361		checkCompletedNormally(f, "test");
362		}
363
364	<	// Choose non-commutative actions for better coverage
365	<
366	<	static final Supplier<Integer> supplyOne =
367	<	() -> Integer.valueOf(1);
368	<	static final Function<Integer, Integer> inc =
369	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
370	<	static final BiFunction<Integer, Integer, Integer> subtract =
325	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
326	<	static final class IncAction implements Consumer<Integer> {
327	<	int value;
328	<	public void accept(Integer x) { value = x.intValue() + 1; }
329	<	}
330	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
331	<	int value;
332	<	public void accept(Integer x, Integer y) {
333	<	value = x.intValue() - y.intValue();
364	>	abstract class CheckedAction {
365	>	int invocationCount = 0;
366	>	final ExecutionMode m;
367	>	CheckedAction(ExecutionMode m) { this.m = m; }
368	>	void invoked() {
369	>	m.checkExecutionMode();
370	>	assertEquals(0, invocationCount++);
371		}
372	<	}
373	<	static final class Noop implements Runnable {
337	<	boolean ran;
338	<	public void run() { ran = true; }
372	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
373	>	void assertInvoked() { assertEquals(1, invocationCount); }
374		}
375
376	<	static final class FailingSupplier implements Supplier<Integer> {
377	<	boolean ran;
378	<	public Integer get() { ran = true; throw new CFException(); }
379	<	}
380	<	static final class FailingConsumer implements Consumer<Integer> {
381	<	boolean ran;
347	<	public void accept(Integer x) { ran = true; throw new CFException(); }
348	<	}
349	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
350	<	boolean ran;
351	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
352	<	}
353	<	static final class FailingFunction implements Function<Integer, Integer> {
354	<	boolean ran;
355	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
356	<	}
357	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
358	<	boolean ran;
359	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
360	<	}
361	<	static final class FailingNoop implements Runnable {
362	<	boolean ran;
363	<	public void run() { ran = true; throw new CFException(); }
364	<	}
365	<
366	<	static final class CompletableFutureInc
367	<	implements Function<Integer, CompletableFuture<Integer>> {
368	<	boolean ran;
369	<	public CompletableFuture<Integer> apply(Integer x) {
370	<	ran = true;
371	<	CompletableFuture<Integer> f = new CompletableFuture<>();
372	<	f.complete(Integer.valueOf(x.intValue() + 1));
373	<	return f;
376	>	abstract class CheckedIntegerAction extends CheckedAction {
377	>	Integer value;
378	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
379	>	void assertValue(Integer expected) {
380	>	assertInvoked();
381	>	assertEquals(expected, value);
382		}
383		}
384
385	<	static final class FailingCompletableFutureFunction
386	<	implements Function<Integer, CompletableFuture<Integer>> {
387	<	boolean ran;
388	<	public CompletableFuture<Integer> apply(Integer x) {
389	<	ran = true; throw new CFException();
385	>	class IntegerSupplier extends CheckedAction
386	>	implements Supplier<Integer>
387	>	{
388	>	final Integer value;
389	>	IntegerSupplier(ExecutionMode m, Integer value) {
390	>	super(m);
391	>	this.value = value;
392		}
393	<	}
394	<
395	<	// Used for explicit executor tests
386	<	static final class ThreadExecutor implements Executor {
387	<	AtomicInteger count = new AtomicInteger(0);
388	<
389	<	public void execute(Runnable r) {
390	<	count.getAndIncrement();
391	<	new Thread(r).start();
393	>	public Integer get() {
394	>	invoked();
395	>	return value;
396		}
397		}
398
399	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
400	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
399	>	// A function that handles and produces null values as well.
400	>	static Integer inc(Integer x) {
401	>	return (x == null) ? null : x + 1;
402		}
403
404	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
405	<	boolean ran;
406	<	public Integer apply(Integer x, Throwable t) {
407	<	ran = true;
408	<	return (t == null) ? two : three;
404	>	class NoopConsumer extends CheckedIntegerAction
405	>	implements Consumer<Integer>
406	>	{
407	>	NoopConsumer(ExecutionMode m) { super(m); }
408	>	public void accept(Integer x) {
409	>	invoked();
410	>	value = x;
411		}
412		}
413
414	<	/**
415	<	* exceptionally action completes with function value on source
416	<	* exception; otherwise with source value
417	<	*/
418	<	public void testExceptionally() {
419	<	CompletableFuture<Integer> f = new CompletableFuture<>();
420	<	ExceptionToInteger r = new ExceptionToInteger();
421	<	CompletableFuture<Integer> g = f.exceptionally(r);
415	<	f.completeExceptionally(new CFException());
416	<	checkCompletedNormally(g, three);
417	<
418	<	f = new CompletableFuture<>();
419	<	r = new ExceptionToInteger();
420	<	g = f.exceptionally(r);
421	<	f.complete(one);
422	<	checkCompletedNormally(g, one);
423	<	}
424	<
425	<	/**
426	<	* handle action completes normally with function value on either
427	<	* normal or exceptional completion of source
428	<	*/
429	<	public void testHandle() {
430	<	CompletableFuture<Integer> f, g;
431	<	IntegerHandler r;
432	<
433	<	f = new CompletableFuture<>();
434	<	f.completeExceptionally(new CFException());
435	<	g = f.handle(r = new IntegerHandler());
436	<	assertTrue(r.ran);
437	<	checkCompletedNormally(g, three);
438	<
439	<	f = new CompletableFuture<>();
440	<	g = f.handle(r = new IntegerHandler());
441	<	assertFalse(r.ran);
442	<	f.completeExceptionally(new CFException());
443	<	checkCompletedNormally(g, three);
444	<	assertTrue(r.ran);
445	<
446	<	f = new CompletableFuture<>();
447	<	f.complete(one);
448	<	g = f.handle(r = new IntegerHandler());
449	<	assertTrue(r.ran);
450	<	checkCompletedNormally(g, two);
451	<
452	<	f = new CompletableFuture<>();
453	<	g = f.handle(r = new IntegerHandler());
454	<	assertFalse(r.ran);
455	<	f.complete(one);
456	<	assertTrue(r.ran);
457	<	checkCompletedNormally(g, two);
458	<	}
459	<
460	<	/**
461	<	* runAsync completes after running Runnable
462	<	*/
463	<	public void testRunAsync() {
464	<	Noop r = new Noop();
465	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
466	<	assertNull(f.join());
467	<	assertTrue(r.ran);
468	<	checkCompletedNormally(f, null);
469	<	}
470	<
471	<	/**
472	<	* runAsync with executor completes after running Runnable
473	<	*/
474	<	public void testRunAsync2() {
475	<	Noop r = new Noop();
476	<	ThreadExecutor exec = new ThreadExecutor();
477	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
478	<	assertNull(f.join());
479	<	assertTrue(r.ran);
480	<	checkCompletedNormally(f, null);
481	<	assertEquals(1, exec.count.get());
482	<	}
483	<
484	<	/**
485	<	* failing runAsync completes exceptionally after running Runnable
486	<	*/
487	<	public void testRunAsync3() {
488	<	FailingNoop r = new FailingNoop();
489	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
490	<	checkCompletedWithWrappedCFException(f);
491	<	assertTrue(r.ran);
492	<	}
493	<
494	<	/**
495	<	* supplyAsync completes with result of supplier
496	<	*/
497	<	public void testSupplyAsync() {
498	<	CompletableFuture<Integer> f;
499	<	f = CompletableFuture.supplyAsync(supplyOne);
500	<	assertEquals(f.join(), one);
501	<	checkCompletedNormally(f, one);
502	<	}
503	<
504	<	/**
505	<	* supplyAsync with executor completes with result of supplier
506	<	*/
507	<	public void testSupplyAsync2() {
508	<	CompletableFuture<Integer> f;
509	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
510	<	assertEquals(f.join(), one);
511	<	checkCompletedNormally(f, one);
512	<	}
513	<
514	<	/**
515	<	* Failing supplyAsync completes exceptionally
516	<	*/
517	<	public void testSupplyAsync3() {
518	<	FailingSupplier r = new FailingSupplier();
519	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
520	<	checkCompletedWithWrappedCFException(f);
521	<	assertTrue(r.ran);
522	<	}
523	<
524	<	// seq completion methods
525	<
526	<	/**
527	<	* thenRun result completes normally after normal completion of source
528	<	*/
529	<	public void testThenRun() {
530	<	CompletableFuture<Integer> f;
531	<	CompletableFuture<Void> g;
532	<	Noop r;
533	<
534	<	f = new CompletableFuture<>();
535	<	g = f.thenRun(r = new Noop());
536	<	f.complete(null);
537	<	checkCompletedNormally(g, null);
538	<	assertTrue(r.ran);
539	<
540	<	f = new CompletableFuture<>();
541	<	f.complete(null);
542	<	g = f.thenRun(r = new Noop());
543	<	checkCompletedNormally(g, null);
544	<	assertTrue(r.ran);
545	<	}
546	<
547	<	/**
548	<	* thenRun result completes exceptionally after exceptional
549	<	* completion of source
550	<	*/
551	<	public void testThenRun2() {
552	<	CompletableFuture<Integer> f;
553	<	CompletableFuture<Void> g;
554	<	Noop r;
555	<
556	<	f = new CompletableFuture<>();
557	<	g = f.thenRun(r = new Noop());
558	<	f.completeExceptionally(new CFException());
559	<	checkCompletedWithWrappedCFException(g);
560	<	assertFalse(r.ran);
561	<
562	<	f = new CompletableFuture<>();
563	<	f.completeExceptionally(new CFException());
564	<	g = f.thenRun(r = new Noop());
565	<	checkCompletedWithWrappedCFException(g);
566	<	assertFalse(r.ran);
567	<	}
568	<
569	<	/**
570	<	* thenRun result completes exceptionally if action does
571	<	*/
572	<	public void testThenRun3() {
573	<	CompletableFuture<Integer> f;
574	<	CompletableFuture<Void> g;
575	<	FailingNoop r;
576	<
577	<	f = new CompletableFuture<>();
578	<	g = f.thenRun(r = new FailingNoop());
579	<	f.complete(null);
580	<	checkCompletedWithWrappedCFException(g);
581	<
582	<	f = new CompletableFuture<>();
583	<	f.complete(null);
584	<	g = f.thenRun(r = new FailingNoop());
585	<	checkCompletedWithWrappedCFException(g);
586	<	}
587	<
588	<	/**
589	<	* thenRun result completes exceptionally if source cancelled
590	<	*/
591	<	public void testThenRun4() {
592	<	CompletableFuture<Integer> f;
593	<	CompletableFuture<Void> g;
594	<	Noop r;
595	<
596	<	f = new CompletableFuture<>();
597	<	g = f.thenRun(r = new Noop());
598	<	assertTrue(f.cancel(true));
599	<	checkCompletedWithWrappedCancellationException(g);
600	<
601	<	f = new CompletableFuture<>();
602	<	assertTrue(f.cancel(true));
603	<	g = f.thenRun(r = new Noop());
604	<	checkCompletedWithWrappedCancellationException(g);
605	<	}
606	<
607	<	/**
608	<	* thenApply result completes normally after normal completion of source
609	<	*/
610	<	public void testThenApply() {
611	<	CompletableFuture<Integer> f = new CompletableFuture<>();
612	<	CompletableFuture<Integer> g = f.thenApply(inc);
613	<	f.complete(one);
614	<	checkCompletedNormally(g, two);
615	<	}
616	<
617	<	/**
618	<	* thenApply result completes exceptionally after exceptional
619	<	* completion of source
620	<	*/
621	<	public void testThenApply2() {
622	<	CompletableFuture<Integer> f = new CompletableFuture<>();
623	<	CompletableFuture<Integer> g = f.thenApply(inc);
624	<	f.completeExceptionally(new CFException());
625	<	checkCompletedWithWrappedCFException(g);
414	>	class IncFunction extends CheckedIntegerAction
415	>	implements Function<Integer,Integer>
416	>	{
417	>	IncFunction(ExecutionMode m) { super(m); }
418	>	public Integer apply(Integer x) {
419	>	invoked();
420	>	return value = inc(x);
421	>	}
422		}
423
424	<	/**
425	<	* thenApply result completes exceptionally if action does
426	<	*/
427	<	public void testThenApply3() {
428	<	CompletableFuture<Integer> f = new CompletableFuture<>();
429	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
634	<	f.complete(one);
635	<	checkCompletedWithWrappedCFException(g);
424	>	// Choose non-commutative actions for better coverage
425	>	// A non-commutative function that handles and produces null values as well.
426	>	static Integer subtract(Integer x, Integer y) {
427	>	return (x == null && y == null) ? null :
428	>	((x == null) ? 42 : x.intValue())
429	>	- ((y == null) ? 99 : y.intValue());
430		}
431
432	<	/**
433	<	* thenApply result completes exceptionally if source cancelled
434	<	*/
435	<	public void testThenApply4() {
436	<	CompletableFuture<Integer> f = new CompletableFuture<>();
437	<	CompletableFuture<Integer> g = f.thenApply(inc);
438	<	assertTrue(f.cancel(true));
439	<	checkCompletedWithWrappedCancellationException(g);
432	>	class SubtractAction extends CheckedIntegerAction
433	>	implements BiConsumer<Integer, Integer>
434	>	{
435	>	SubtractAction(ExecutionMode m) { super(m); }
436	>	public void accept(Integer x, Integer y) {
437	>	invoked();
438	>	value = subtract(x, y);
439	>	}
440		}
441
442	<	/**
443	<	* thenAccept result completes normally after normal completion of source
444	<	*/
445	<	public void testThenAccept() {
446	<	CompletableFuture<Integer> f = new CompletableFuture<>();
447	<	IncAction r = new IncAction();
448	<	CompletableFuture<Void> g = f.thenAccept(r);
449	<	f.complete(one);
656	<	checkCompletedNormally(g, null);
657	<	assertEquals(r.value, 2);
442	>	class SubtractFunction extends CheckedIntegerAction
443	>	implements BiFunction<Integer, Integer, Integer>
444	>	{
445	>	SubtractFunction(ExecutionMode m) { super(m); }
446	>	public Integer apply(Integer x, Integer y) {
447	>	invoked();
448	>	return value = subtract(x, y);
449	>	}
450		}
451
452	<	/**
453	<	* thenAccept result completes exceptionally after exceptional
454	<	* completion of source
455	<	*/
456	<	public void testThenAccept2() {
665	<	CompletableFuture<Integer> f = new CompletableFuture<>();
666	<	IncAction r = new IncAction();
667	<	CompletableFuture<Void> g = f.thenAccept(r);
668	<	f.completeExceptionally(new CFException());
669	<	checkCompletedWithWrappedCFException(g);
452	>	class Noop extends CheckedAction implements Runnable {
453	>	Noop(ExecutionMode m) { super(m); }
454	>	public void run() {
455	>	invoked();
456	>	}
457		}
458
459	<	/**
460	<	* thenAccept result completes exceptionally if action does
461	<	*/
462	<	public void testThenAccept3() {
463	<	CompletableFuture<Integer> f = new CompletableFuture<>();
464	<	FailingConsumer r = new FailingConsumer();
465	<	CompletableFuture<Void> g = f.thenAccept(r);
466	<	f.complete(one);
680	<	checkCompletedWithWrappedCFException(g);
681	<	assertTrue(r.ran);
459	>	class FailingSupplier extends CheckedAction
460	>	implements Supplier<Integer>
461	>	{
462	>	FailingSupplier(ExecutionMode m) { super(m); }
463	>	public Integer get() {
464	>	invoked();
465	>	throw new CFException();
466	>	}
467		}
468
469	<	/**
470	<	* thenAccept result completes exceptionally if source cancelled
471	<	*/
472	<	public void testThenAccept4() {
473	<	CompletableFuture<Integer> f = new CompletableFuture<>();
474	<	IncAction r = new IncAction();
475	<	CompletableFuture<Void> g = f.thenAccept(r);
476	<	assertTrue(f.cancel(true));
477	<	checkCompletedWithWrappedCancellationException(g);
469	>	class FailingConsumer extends CheckedIntegerAction
470	>	implements Consumer<Integer>
471	>	{
472	>	FailingConsumer(ExecutionMode m) { super(m); }
473	>	public void accept(Integer x) {
474	>	invoked();
475	>	value = x;
476	>	throw new CFException();
477	>	}
478		}
479
480	<	/**
481	<	* thenCombine result completes normally after normal completion
482	<	* of sources
483	<	*/
484	<	public void testThenCombine() {
485	<	CompletableFuture<Integer> f, g, h;
486	<
487	<	f = new CompletableFuture<>();
488	<	g = new CompletableFuture<>();
704	<	h = f.thenCombine(g, subtract);
705	<	f.complete(3);
706	<	checkIncomplete(h);
707	<	g.complete(1);
708	<	checkCompletedNormally(h, 2);
709	<
710	<	f = new CompletableFuture<>();
711	<	g = new CompletableFuture<>();
712	<	h = f.thenCombine(g, subtract);
713	<	g.complete(1);
714	<	checkIncomplete(h);
715	<	f.complete(3);
716	<	checkCompletedNormally(h, 2);
717	<
718	<	f = new CompletableFuture<>();
719	<	g = new CompletableFuture<>();
720	<	g.complete(1);
721	<	f.complete(3);
722	<	h = f.thenCombine(g, subtract);
723	<	checkCompletedNormally(h, 2);
480	>	class FailingBiConsumer extends CheckedIntegerAction
481	>	implements BiConsumer<Integer, Integer>
482	>	{
483	>	FailingBiConsumer(ExecutionMode m) { super(m); }
484	>	public void accept(Integer x, Integer y) {
485	>	invoked();
486	>	value = subtract(x, y);
487	>	throw new CFException();
488	>	}
489		}
490
491	<	/**
492	<	* thenCombine result completes exceptionally after exceptional
493	<	* completion of either source
494	<	*/
495	<	public void testThenCombine2() {
496	<	CompletableFuture<Integer> f, g, h;
497	<
498	<	f = new CompletableFuture<>();
499	<	g = new CompletableFuture<>();
735	<	h = f.thenCombine(g, subtract);
736	<	f.completeExceptionally(new CFException());
737	<	checkIncomplete(h);
738	<	g.complete(1);
739	<	checkCompletedWithWrappedCFException(h);
740	<
741	<	f = new CompletableFuture<>();
742	<	g = new CompletableFuture<>();
743	<	h = f.thenCombine(g, subtract);
744	<	g.completeExceptionally(new CFException());
745	<	checkIncomplete(h);
746	<	f.complete(3);
747	<	checkCompletedWithWrappedCFException(h);
748	<
749	<	f = new CompletableFuture<>();
750	<	g = new CompletableFuture<>();
751	<	f.complete(3);
752	<	g.completeExceptionally(new CFException());
753	<	h = f.thenCombine(g, subtract);
754	<	checkCompletedWithWrappedCFException(h);
755	<
756	<	f = new CompletableFuture<>();
757	<	g = new CompletableFuture<>();
758	<	f.completeExceptionally(new CFException());
759	<	g.complete(3);
760	<	h = f.thenCombine(g, subtract);
761	<	checkCompletedWithWrappedCFException(h);
491	>	class FailingFunction extends CheckedIntegerAction
492	>	implements Function<Integer, Integer>
493	>	{
494	>	FailingFunction(ExecutionMode m) { super(m); }
495	>	public Integer apply(Integer x) {
496	>	invoked();
497	>	value = x;
498	>	throw new CFException();
499	>	}
500		}
501
502	<	/**
503	<	* thenCombine result completes exceptionally if action does
504	<	*/
505	<	public void testThenCombine3() {
506	<	CompletableFuture<Integer> f = new CompletableFuture<>();
507	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
508	<	FailingBiFunction r = new FailingBiFunction();
509	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
510	<	f.complete(one);
773	<	checkIncomplete(g);
774	<	assertFalse(r.ran);
775	<	f2.complete(two);
776	<	checkCompletedWithWrappedCFException(g);
777	<	assertTrue(r.ran);
502	>	class FailingBiFunction extends CheckedIntegerAction
503	>	implements BiFunction<Integer, Integer, Integer>
504	>	{
505	>	FailingBiFunction(ExecutionMode m) { super(m); }
506	>	public Integer apply(Integer x, Integer y) {
507	>	invoked();
508	>	value = subtract(x, y);
509	>	throw new CFException();
510	>	}
511		}
512
513	<	/**
514	<	* thenCombine result completes exceptionally if either source cancelled
515	<	*/
516	<	public void testThenCombine4() {
517	<	CompletableFuture<Integer> f, g, h;
518	<
786	<	f = new CompletableFuture<>();
787	<	g = new CompletableFuture<>();
788	<	h = f.thenCombine(g, subtract);
789	<	assertTrue(f.cancel(true));
790	<	checkIncomplete(h);
791	<	g.complete(1);
792	<	checkCompletedWithWrappedCancellationException(h);
793	<
794	<	f = new CompletableFuture<>();
795	<	g = new CompletableFuture<>();
796	<	h = f.thenCombine(g, subtract);
797	<	assertTrue(g.cancel(true));
798	<	checkIncomplete(h);
799	<	f.complete(3);
800	<	checkCompletedWithWrappedCancellationException(h);
801	<
802	<	f = new CompletableFuture<>();
803	<	g = new CompletableFuture<>();
804	<	assertTrue(f.cancel(true));
805	<	assertTrue(g.cancel(true));
806	<	h = f.thenCombine(g, subtract);
807	<	checkCompletedWithWrappedCancellationException(h);
513	>	class FailingRunnable extends CheckedAction implements Runnable {
514	>	FailingRunnable(ExecutionMode m) { super(m); }
515	>	public void run() {
516	>	invoked();
517	>	throw new CFException();
518	>	}
519		}
520
521	<	/**
522	<	* thenAcceptBoth result completes normally after normal
523	<	* completion of sources
524	<	*/
525	<	public void testThenAcceptBoth() {
526	<	CompletableFuture<Integer> f, g;
527	<	CompletableFuture<Void> h;
528	<	SubtractAction r;
529	<
530	<	f = new CompletableFuture<>();
531	<	g = new CompletableFuture<>();
821	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
822	<	f.complete(3);
823	<	checkIncomplete(h);
824	<	g.complete(1);
825	<	checkCompletedNormally(h, null);
826	<	assertEquals(r.value, 2);
827	<
828	<	f = new CompletableFuture<>();
829	<	g = new CompletableFuture<>();
830	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
831	<	g.complete(1);
832	<	checkIncomplete(h);
833	<	f.complete(3);
834	<	checkCompletedNormally(h, null);
835	<	assertEquals(r.value, 2);
836	<
837	<	f = new CompletableFuture<>();
838	<	g = new CompletableFuture<>();
839	<	g.complete(1);
840	<	f.complete(3);
841	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
842	<	checkCompletedNormally(h, null);
843	<	assertEquals(r.value, 2);
521	>	class CompletableFutureInc extends CheckedIntegerAction
522	>	implements Function<Integer, CompletableFuture<Integer>>
523	>	{
524	>	CompletableFutureInc(ExecutionMode m) { super(m); }
525	>	public CompletableFuture<Integer> apply(Integer x) {
526	>	invoked();
527	>	value = x;
528	>	CompletableFuture<Integer> f = new CompletableFuture<>();
529	>	assertTrue(f.complete(inc(x)));
530	>	return f;
531	>	}
532		}
533
534	<	/**
535	<	* thenAcceptBoth result completes exceptionally after exceptional
536	<	* completion of either source
537	<	*/
538	<	public void testThenAcceptBoth2() {
539	<	CompletableFuture<Integer> f, g;
540	<	CompletableFuture<Void> h;
541	<	SubtractAction r;
542	<
855	<	f = new CompletableFuture<>();
856	<	g = new CompletableFuture<>();
857	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
858	<	f.completeExceptionally(new CFException());
859	<	checkIncomplete(h);
860	<	g.complete(1);
861	<	checkCompletedWithWrappedCFException(h);
862	<
863	<	f = new CompletableFuture<>();
864	<	g = new CompletableFuture<>();
865	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
866	<	g.completeExceptionally(new CFException());
867	<	checkIncomplete(h);
868	<	f.complete(3);
869	<	checkCompletedWithWrappedCFException(h);
870	<
871	<	f = new CompletableFuture<>();
872	<	g = new CompletableFuture<>();
873	<	f.complete(3);
874	<	g.completeExceptionally(new CFException());
875	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
876	<	checkCompletedWithWrappedCFException(h);
877	<
878	<	f = new CompletableFuture<>();
879	<	g = new CompletableFuture<>();
880	<	f.completeExceptionally(new CFException());
881	<	g.complete(3);
882	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
883	<	checkCompletedWithWrappedCFException(h);
534	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
535	>	implements Function<Integer, CompletableFuture<Integer>>
536	>	{
537	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
538	>	public CompletableFuture<Integer> apply(Integer x) {
539	>	invoked();
540	>	value = x;
541	>	throw new CFException();
542	>	}
543		}
544
545	<	/**
546	<	* thenAcceptBoth result completes exceptionally if action does
547	<	*/
548	<	public void testThenAcceptBoth3() {
549	<	CompletableFuture<Integer> f, g;
550	<	CompletableFuture<Void> h;
551	<	FailingBiConsumer r;
893	<
894	<	f = new CompletableFuture<>();
895	<	g = new CompletableFuture<>();
896	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
897	<	f.complete(3);
898	<	checkIncomplete(h);
899	<	g.complete(1);
900	<	checkCompletedWithWrappedCFException(h);
545	>	// Used for explicit executor tests
546	>	static final class ThreadExecutor implements Executor {
547	>	final AtomicInteger count = new AtomicInteger(0);
548	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
549	>	static boolean startedCurrentThread() {
550	>	return Thread.currentThread().getThreadGroup() == tg;
551	>	}
552
553	<	f = new CompletableFuture<>();
554	<	g = new CompletableFuture<>();
555	<	f.complete(3);
556	<	g.complete(1);
906	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
907	<	checkCompletedWithWrappedCFException(h);
553	>	public void execute(Runnable r) {
554	>	count.getAndIncrement();
555	>	new Thread(tg, r).start();
556	>	}
557		}
558
559	<	/**
560	<	* thenAcceptBoth result completes exceptionally if either source cancelled
912	<	*/
913	<	public void testThenAcceptBoth4() {
914	<	CompletableFuture<Integer> f, g;
915	<	CompletableFuture<Void> h;
916	<	SubtractAction r;
917	<
918	<	f = new CompletableFuture<>();
919	<	g = new CompletableFuture<>();
920	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
921	<	assertTrue(f.cancel(true));
922	<	checkIncomplete(h);
923	<	g.complete(1);
924	<	checkCompletedWithWrappedCancellationException(h);
925	<
926	<	f = new CompletableFuture<>();
927	<	g = new CompletableFuture<>();
928	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
929	<	assertTrue(g.cancel(true));
930	<	checkIncomplete(h);
931	<	f.complete(3);
932	<	checkCompletedWithWrappedCancellationException(h);
933	<
934	<	f = new CompletableFuture<>();
935	<	g = new CompletableFuture<>();
936	<	f.complete(3);
937	<	assertTrue(g.cancel(true));
938	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
939	<	checkCompletedWithWrappedCancellationException(h);
940	<
941	<	f = new CompletableFuture<>();
942	<	g = new CompletableFuture<>();
943	<	assertTrue(f.cancel(true));
944	<	g.complete(3);
945	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
946	<	checkCompletedWithWrappedCancellationException(h);
947	<	}
559	>	static final boolean defaultExecutorIsCommonPool
560	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
561
562		/**
563		* Permits the testing of parallel code for the 3 different
564	<	* execution modes without repeating all the testing code.
564	>	* execution modes without copy/pasting all the test methods.
565		*/
566		enum ExecutionMode {
567	<	DEFAULT {
567	>	SYNC {
568	>	public void checkExecutionMode() {
569	>	assertFalse(ThreadExecutor.startedCurrentThread());
570	>	assertNull(ForkJoinTask.getPool());
571	>	}
572	>	public CompletableFuture<Void> runAsync(Runnable a) {
573	>	throw new UnsupportedOperationException();
574	>	}
575	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
576	>	throw new UnsupportedOperationException();
577	>	}
578	>	public <T> CompletableFuture<Void> thenRun
579	>	(CompletableFuture<T> f, Runnable a) {
580	>	return f.thenRun(a);
581	>	}
582	>	public <T> CompletableFuture<Void> thenAccept
583	>	(CompletableFuture<T> f, Consumer<? super T> a) {
584	>	return f.thenAccept(a);
585	>	}
586	>	public <T,U> CompletableFuture<U> thenApply
587	>	(CompletableFuture<T> f, Function<? super T,U> a) {
588	>	return f.thenApply(a);
589	>	}
590	>	public <T,U> CompletableFuture<U> thenCompose
591	>	(CompletableFuture<T> f,
592	>	Function<? super T,? extends CompletionStage<U>> a) {
593	>	return f.thenCompose(a);
594	>	}
595	>	public <T,U> CompletableFuture<U> handle
596	>	(CompletableFuture<T> f,
597	>	BiFunction<? super T,Throwable,? extends U> a) {
598	>	return f.handle(a);
599	>	}
600	>	public <T> CompletableFuture<T> whenComplete
601	>	(CompletableFuture<T> f,
602	>	BiConsumer<? super T,? super Throwable> a) {
603	>	return f.whenComplete(a);
604	>	}
605		public <T,U> CompletableFuture<Void> runAfterBoth
606	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
607	<	return f.runAfterBoth(g, r);
606	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
607	>	return f.runAfterBoth(g, a);
608	>	}
609	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
610	>	(CompletableFuture<T> f,
611	>	CompletionStage<? extends U> g,
612	>	BiConsumer<? super T,? super U> a) {
613	>	return f.thenAcceptBoth(g, a);
614	>	}
615	>	public <T,U,V> CompletableFuture<V> thenCombine
616	>	(CompletableFuture<T> f,
617	>	CompletionStage<? extends U> g,
618	>	BiFunction<? super T,? super U,? extends V> a) {
619	>	return f.thenCombine(g, a);
620	>	}
621	>	public <T> CompletableFuture<Void> runAfterEither
622	>	(CompletableFuture<T> f,
623	>	CompletionStage<?> g,
624	>	java.lang.Runnable a) {
625	>	return f.runAfterEither(g, a);
626	>	}
627	>	public <T> CompletableFuture<Void> acceptEither
628	>	(CompletableFuture<T> f,
629	>	CompletionStage<? extends T> g,
630	>	Consumer<? super T> a) {
631	>	return f.acceptEither(g, a);
632	>	}
633	>	public <T,U> CompletableFuture<U> applyToEither
634	>	(CompletableFuture<T> f,
635	>	CompletionStage<? extends T> g,
636	>	Function<? super T,U> a) {
637	>	return f.applyToEither(g, a);
638		}
639		},
640
641	<	DEFAULT_ASYNC {
641	>	ASYNC {
642	>	public void checkExecutionMode() {
643	>	// If tests are added that may run across different
644	>	// pools, this needs to be weakened to no-op.
645	>	ForkJoinPool p = ForkJoinTask.getPool();
646	>	assertTrue(p == null ||
647	>	(defaultExecutorIsCommonPool &&
648	>	p == ForkJoinPool.commonPool()));
649	>	}
650	>	public CompletableFuture<Void> runAsync(Runnable a) {
651	>	return CompletableFuture.runAsync(a);
652	>	}
653	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
654	>	return CompletableFuture.supplyAsync(a);
655	>	}
656	>	public <T> CompletableFuture<Void> thenRun
657	>	(CompletableFuture<T> f, Runnable a) {
658	>	return f.thenRunAsync(a);
659	>	}
660	>	public <T> CompletableFuture<Void> thenAccept
661	>	(CompletableFuture<T> f, Consumer<? super T> a) {
662	>	return f.thenAcceptAsync(a);
663	>	}
664	>	public <T,U> CompletableFuture<U> thenApply
665	>	(CompletableFuture<T> f, Function<? super T,U> a) {
666	>	return f.thenApplyAsync(a);
667	>	}
668	>	public <T,U> CompletableFuture<U> thenCompose
669	>	(CompletableFuture<T> f,
670	>	Function<? super T,? extends CompletionStage<U>> a) {
671	>	return f.thenComposeAsync(a);
672	>	}
673	>	public <T,U> CompletableFuture<U> handle
674	>	(CompletableFuture<T> f,
675	>	BiFunction<? super T,Throwable,? extends U> a) {
676	>	return f.handleAsync(a);
677	>	}
678	>	public <T> CompletableFuture<T> whenComplete
679	>	(CompletableFuture<T> f,
680	>	BiConsumer<? super T,? super Throwable> a) {
681	>	return f.whenCompleteAsync(a);
682	>	}
683		public <T,U> CompletableFuture<Void> runAfterBoth
684	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
685	<	return f.runAfterBothAsync(g, r);
684	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
685	>	return f.runAfterBothAsync(g, a);
686	>	}
687	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
688	>	(CompletableFuture<T> f,
689	>	CompletionStage<? extends U> g,
690	>	BiConsumer<? super T,? super U> a) {
691	>	return f.thenAcceptBothAsync(g, a);
692	>	}
693	>	public <T,U,V> CompletableFuture<V> thenCombine
694	>	(CompletableFuture<T> f,
695	>	CompletionStage<? extends U> g,
696	>	BiFunction<? super T,? super U,? extends V> a) {
697	>	return f.thenCombineAsync(g, a);
698	>	}
699	>	public <T> CompletableFuture<Void> runAfterEither
700	>	(CompletableFuture<T> f,
701	>	CompletionStage<?> g,
702	>	java.lang.Runnable a) {
703	>	return f.runAfterEitherAsync(g, a);
704	>	}
705	>	public <T> CompletableFuture<Void> acceptEither
706	>	(CompletableFuture<T> f,
707	>	CompletionStage<? extends T> g,
708	>	Consumer<? super T> a) {
709	>	return f.acceptEitherAsync(g, a);
710	>	}
711	>	public <T,U> CompletableFuture<U> applyToEither
712	>	(CompletableFuture<T> f,
713	>	CompletionStage<? extends T> g,
714	>	Function<? super T,U> a) {
715	>	return f.applyToEitherAsync(g, a);
716		}
717		},
718
719		EXECUTOR {
720	+	public void checkExecutionMode() {
721	+	assertTrue(ThreadExecutor.startedCurrentThread());
722	+	}
723	+	public CompletableFuture<Void> runAsync(Runnable a) {
724	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
725	+	}
726	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
727	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
728	+	}
729	+	public <T> CompletableFuture<Void> thenRun
730	+	(CompletableFuture<T> f, Runnable a) {
731	+	return f.thenRunAsync(a, new ThreadExecutor());
732	+	}
733	+	public <T> CompletableFuture<Void> thenAccept
734	+	(CompletableFuture<T> f, Consumer<? super T> a) {
735	+	return f.thenAcceptAsync(a, new ThreadExecutor());
736	+	}
737	+	public <T,U> CompletableFuture<U> thenApply
738	+	(CompletableFuture<T> f, Function<? super T,U> a) {
739	+	return f.thenApplyAsync(a, new ThreadExecutor());
740	+	}
741	+	public <T,U> CompletableFuture<U> thenCompose
742	+	(CompletableFuture<T> f,
743	+	Function<? super T,? extends CompletionStage<U>> a) {
744	+	return f.thenComposeAsync(a, new ThreadExecutor());
745	+	}
746	+	public <T,U> CompletableFuture<U> handle
747	+	(CompletableFuture<T> f,
748	+	BiFunction<? super T,Throwable,? extends U> a) {
749	+	return f.handleAsync(a, new ThreadExecutor());
750	+	}
751	+	public <T> CompletableFuture<T> whenComplete
752	+	(CompletableFuture<T> f,
753	+	BiConsumer<? super T,? super Throwable> a) {
754	+	return f.whenCompleteAsync(a, new ThreadExecutor());
755	+	}
756		public <T,U> CompletableFuture<Void> runAfterBoth
757	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
758	<	return f.runAfterBothAsync(g, r, new ThreadExecutor());
757	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
758	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
759	>	}
760	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
761	>	(CompletableFuture<T> f,
762	>	CompletionStage<? extends U> g,
763	>	BiConsumer<? super T,? super U> a) {
764	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
765	>	}
766	>	public <T,U,V> CompletableFuture<V> thenCombine
767	>	(CompletableFuture<T> f,
768	>	CompletionStage<? extends U> g,
769	>	BiFunction<? super T,? super U,? extends V> a) {
770	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
771	>	}
772	>	public <T> CompletableFuture<Void> runAfterEither
773	>	(CompletableFuture<T> f,
774	>	CompletionStage<?> g,
775	>	java.lang.Runnable a) {
776	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
777	>	}
778	>	public <T> CompletableFuture<Void> acceptEither
779	>	(CompletableFuture<T> f,
780	>	CompletionStage<? extends T> g,
781	>	Consumer<? super T> a) {
782	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
783	>	}
784	>	public <T,U> CompletableFuture<U> applyToEither
785	>	(CompletableFuture<T> f,
786	>	CompletionStage<? extends T> g,
787	>	Function<? super T,U> a) {
788	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
789		}
790		};
791
792	+	public abstract void checkExecutionMode();
793	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
794	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
795	+	public abstract <T> CompletableFuture<Void> thenRun
796	+	(CompletableFuture<T> f, Runnable a);
797	+	public abstract <T> CompletableFuture<Void> thenAccept
798	+	(CompletableFuture<T> f, Consumer<? super T> a);
799	+	public abstract <T,U> CompletableFuture<U> thenApply
800	+	(CompletableFuture<T> f, Function<? super T,U> a);
801	+	public abstract <T,U> CompletableFuture<U> thenCompose
802	+	(CompletableFuture<T> f,
803	+	Function<? super T,? extends CompletionStage<U>> a);
804	+	public abstract <T,U> CompletableFuture<U> handle
805	+	(CompletableFuture<T> f,
806	+	BiFunction<? super T,Throwable,? extends U> a);
807	+	public abstract <T> CompletableFuture<T> whenComplete
808	+	(CompletableFuture<T> f,
809	+	BiConsumer<? super T,? super Throwable> a);
810		public abstract <T,U> CompletableFuture<Void> runAfterBoth
811	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r);
811	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
812	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
813	>	(CompletableFuture<T> f,
814	>	CompletionStage<? extends U> g,
815	>	BiConsumer<? super T,? super U> a);
816	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
817	>	(CompletableFuture<T> f,
818	>	CompletionStage<? extends U> g,
819	>	BiFunction<? super T,? super U,? extends V> a);
820	>	public abstract <T> CompletableFuture<Void> runAfterEither
821	>	(CompletableFuture<T> f,
822	>	CompletionStage<?> g,
823	>	java.lang.Runnable a);
824	>	public abstract <T> CompletableFuture<Void> acceptEither
825	>	(CompletableFuture<T> f,
826	>	CompletionStage<? extends T> g,
827	>	Consumer<? super T> a);
828	>	public abstract <T,U> CompletableFuture<U> applyToEither
829	>	(CompletableFuture<T> f,
830	>	CompletionStage<? extends T> g,
831	>	Function<? super T,U> a);
832		}
833
834		/**
835	<	* runAfterBoth result completes normally after normal
836	<	* completion of sources
835	>	* exceptionally action is not invoked when source completes
836	>	* normally, and source result is propagated
837		*/
838	<	public void testRunAfterBoth_normalCompletion1() {
839	<	for (ExecutionMode m : ExecutionMode.values())
838	>	public void testExceptionally_normalCompletion() {
839	>	for (boolean createIncomplete : new boolean[] { true, false })
840		for (Integer v1 : new Integer[] { 1, null })
841	<	for (Integer v2 : new Integer[] { 2, null }) {
842	<
841	>	{
842	>	final AtomicInteger a = new AtomicInteger(0);
843		final CompletableFuture<Integer> f = new CompletableFuture<>();
844	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
845	<	final Noop r = new Noop();
846	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
847	<
848	<	f.complete(v1);
849	<	checkIncomplete(h);
850	<	assertFalse(r.ran);
851	<	g.complete(v2);
844	>	if (!createIncomplete) assertTrue(f.complete(v1));
845	>	final CompletableFuture<Integer> g = f.exceptionally
846	>	((Throwable t) -> {
847	>	a.getAndIncrement();
848	>	threadFail("should not be called");
849	>	return null;            // unreached
850	>	});
851	>	if (createIncomplete) assertTrue(f.complete(v1));
852
853	<	checkCompletedNormally(h, null);
999	<	assertTrue(r.ran);
853	>	checkCompletedNormally(g, v1);
854		checkCompletedNormally(f, v1);
855	<	checkCompletedNormally(g, v2);
856	<	}
1003	<	}
855	>	assertEquals(0, a.get());
856	>	}}
857
858	<	public void testRunAfterBoth_normalCompletion2() {
859	<	for (ExecutionMode m : ExecutionMode.values())
858	>	/**
859	>	* exceptionally action completes with function value on source
860	>	* exception
861	>	*/
862	>	public void testExceptionally_exceptionalCompletion() {
863	>	for (boolean createIncomplete : new boolean[] { true, false })
864		for (Integer v1 : new Integer[] { 1, null })
865	<	for (Integer v2 : new Integer[] { 2, null }) {
866	<
865	>	{
866	>	final AtomicInteger a = new AtomicInteger(0);
867	>	final CFException ex = new CFException();
868		final CompletableFuture<Integer> f = new CompletableFuture<>();
869	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
870	<	final Noop r = new Noop();
871	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
872	<
873	<	g.complete(v2);
874	<	checkIncomplete(h);
875	<	assertFalse(r.ran);
876	<	f.complete(v1);
877	<
1020	<	checkCompletedNormally(h, null);
1021	<	assertTrue(r.ran);
1022	<	checkCompletedNormally(f, v1);
1023	<	checkCompletedNormally(g, v2);
1024	<	}
1025	<	}
869	>	if (!createIncomplete) f.completeExceptionally(ex);
870	>	final CompletableFuture<Integer> g = f.exceptionally
871	>	((Throwable t) -> {
872	>	ExecutionMode.SYNC.checkExecutionMode();
873	>	threadAssertSame(t, ex);
874	>	a.getAndIncrement();
875	>	return v1;
876	>	});
877	>	if (createIncomplete) f.completeExceptionally(ex);
878
879	<	public void testRunAfterBoth_normalCompletion3() {
880	<	for (ExecutionMode m : ExecutionMode.values())
881	<	for (Integer v1 : new Integer[] { 1, null })
1030	<	for (Integer v2 : new Integer[] { 2, null }) {
879	>	checkCompletedNormally(g, v1);
880	>	assertEquals(1, a.get());
881	>	}}
882
883	+	/**
884	+	* If an "exceptionally action" throws an exception, it completes
885	+	* exceptionally with that exception
886	+	*/
887	+	public void testExceptionally_exceptionalCompletionActionFailed() {
888	+	for (boolean createIncomplete : new boolean[] { true, false })
889	+	{
890	+	final AtomicInteger a = new AtomicInteger(0);
891	+	final CFException ex1 = new CFException();
892	+	final CFException ex2 = new CFException();
893		final CompletableFuture<Integer> f = new CompletableFuture<>();
894	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
895	<	final Noop r = new Noop();
896	<
897	<	g.complete(v2);
898	<	f.complete(v1);
899	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
900	<
901	<	checkCompletedNormally(h, null);
902	<	assertTrue(r.ran);
903	<	checkCompletedNormally(f, v1);
904	<	checkCompletedNormally(g, v2);
905	<	}
906	<	}
894	>	if (!createIncomplete) f.completeExceptionally(ex1);
895	>	final CompletableFuture<Integer> g = f.exceptionally
896	>	((Throwable t) -> {
897	>	ExecutionMode.SYNC.checkExecutionMode();
898	>	threadAssertSame(t, ex1);
899	>	a.getAndIncrement();
900	>	throw ex2;
901	>	});
902	>	if (createIncomplete) f.completeExceptionally(ex1);
903	>
904	>	checkCompletedWithWrappedException(g, ex2);
905	>	checkCompletedExceptionally(f, ex1);
906	>	assertEquals(1, a.get());
907	>	}}
908
909	<	public void testRunAfterBoth_normalCompletion4() {
909	>	/**
910	>	* whenComplete action executes on normal completion, propagating
911	>	* source result.
912	>	*/
913	>	public void testWhenComplete_normalCompletion() {
914		for (ExecutionMode m : ExecutionMode.values())
915	+	for (boolean createIncomplete : new boolean[] { true, false })
916		for (Integer v1 : new Integer[] { 1, null })
917	<	for (Integer v2 : new Integer[] { 2, null }) {
918	<
917	>	{
918	>	final AtomicInteger a = new AtomicInteger(0);
919		final CompletableFuture<Integer> f = new CompletableFuture<>();
920	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
921	<	final Noop r = new Noop();
920	>	if (!createIncomplete) assertTrue(f.complete(v1));
921	>	final CompletableFuture<Integer> g = m.whenComplete
922	>	(f,
923	>	(Integer result, Throwable t) -> {
924	>	m.checkExecutionMode();
925	>	threadAssertSame(result, v1);
926	>	threadAssertNull(t);
927	>	a.getAndIncrement();
928	>	});
929	>	if (createIncomplete) assertTrue(f.complete(v1));
930
931	<	f.complete(v1);
1057	<	g.complete(v2);
1058	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1059	<
1060	<	checkCompletedNormally(h, null);
1061	<	assertTrue(r.ran);
931	>	checkCompletedNormally(g, v1);
932		checkCompletedNormally(f, v1);
933	<	checkCompletedNormally(g, v2);
934	<	}
1065	<	}
933	>	assertEquals(1, a.get());
934	>	}}
935
936		/**
937	<	* runAfterBoth result completes exceptionally after exceptional
938	<	* completion of either source
937	>	* whenComplete action executes on exceptional completion, propagating
938	>	* source result.
939		*/
940	<	public void testRunAfterBoth_exceptionalCompletion1() {
940	>	public void testWhenComplete_exceptionalCompletion() {
941		for (ExecutionMode m : ExecutionMode.values())
942	<	for (Integer v1 : new Integer[] { 1, null }) {
943	<
944	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1076	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1077	<	final Noop r = new Noop();
1078	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
942	>	for (boolean createIncomplete : new boolean[] { true, false })
943	>	{
944	>	final AtomicInteger a = new AtomicInteger(0);
945		final CFException ex = new CFException();
946	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
947	+	if (!createIncomplete) f.completeExceptionally(ex);
948	+	final CompletableFuture<Integer> g = m.whenComplete
949	+	(f,
950	+	(Integer result, Throwable t) -> {
951	+	m.checkExecutionMode();
952	+	threadAssertNull(result);
953	+	threadAssertSame(t, ex);
954	+	a.getAndIncrement();
955	+	});
956	+	if (createIncomplete) f.completeExceptionally(ex);
957	+
958	+	checkCompletedWithWrappedException(g, ex);
959	+	checkCompletedExceptionally(f, ex);
960	+	assertEquals(1, a.get());
961	+	}}
962
963	<	f.completeExceptionally(ex);
964	<	checkIncomplete(h);
965	<	g.complete(v1);
966	<
967	<	checkCompletedWithWrappedCFException(h, ex);
1086	<	checkCompletedWithWrappedCFException(f, ex);
1087	<	assertFalse(r.ran);
1088	<	checkCompletedNormally(g, v1);
1089	<	}
1090	<	}
1091	<
1092	<	public void testRunAfterBoth_exceptionalCompletion2() {
963	>	/**
964	>	* whenComplete action executes on cancelled source, propagating
965	>	* CancellationException.
966	>	*/
967	>	public void testWhenComplete_sourceCancelled() {
968		for (ExecutionMode m : ExecutionMode.values())
969	<	for (Integer v1 : new Integer[] { 1, null }) {
970	<
969	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
970	>	for (boolean createIncomplete : new boolean[] { true, false })
971	>	{
972	>	final AtomicInteger a = new AtomicInteger(0);
973		final CompletableFuture<Integer> f = new CompletableFuture<>();
974	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
975	<	final Noop r = new Noop();
976	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
977	<	final CFException ex = new CFException();
974	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
975	>	final CompletableFuture<Integer> g = m.whenComplete
976	>	(f,
977	>	(Integer result, Throwable t) -> {
978	>	m.checkExecutionMode();
979	>	threadAssertNull(result);
980	>	threadAssertTrue(t instanceof CancellationException);
981	>	a.getAndIncrement();
982	>	});
983	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
984
985	<	g.completeExceptionally(ex);
986	<	checkIncomplete(h);
987	<	f.complete(v1);
988	<
1106	<	checkCompletedWithWrappedCFException(h, ex);
1107	<	checkCompletedWithWrappedCFException(g, ex);
1108	<	assertFalse(r.ran);
1109	<	checkCompletedNormally(f, v1);
1110	<	}
1111	<	}
985	>	checkCompletedWithWrappedCancellationException(g);
986	>	checkCancelled(f);
987	>	assertEquals(1, a.get());
988	>	}}
989
990	<	public void testRunAfterBoth_exceptionalCompletion3() {
990	>	/**
991	>	* If a whenComplete action throws an exception when triggered by
992	>	* a normal completion, it completes exceptionally
993	>	*/
994	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
995	>	for (boolean createIncomplete : new boolean[] { true, false })
996		for (ExecutionMode m : ExecutionMode.values())
997	<	for (Integer v1 : new Integer[] { 1, null }) {
998	<
999	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1118	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1119	<	final Noop r = new Noop();
997	>	for (Integer v1 : new Integer[] { 1, null })
998	>	{
999	>	final AtomicInteger a = new AtomicInteger(0);
1000		final CFException ex = new CFException();
1001	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1002	+	if (!createIncomplete) assertTrue(f.complete(v1));
1003	+	final CompletableFuture<Integer> g = m.whenComplete
1004	+	(f,
1005	+	(Integer result, Throwable t) -> {
1006	+	m.checkExecutionMode();
1007	+	threadAssertSame(result, v1);
1008	+	threadAssertNull(t);
1009	+	a.getAndIncrement();
1010	+	throw ex;
1011	+	});
1012	+	if (createIncomplete) assertTrue(f.complete(v1));
1013
1014	<	g.completeExceptionally(ex);
1123	<	f.complete(v1);
1124	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1125	<
1126	<	checkCompletedWithWrappedCFException(h, ex);
1127	<	checkCompletedWithWrappedCFException(g, ex);
1128	<	assertFalse(r.ran);
1014	>	checkCompletedWithWrappedException(g, ex);
1015		checkCompletedNormally(f, v1);
1016	<	}
1017	<	}
1016	>	assertEquals(1, a.get());
1017	>	}}
1018
1019	<	public void testRunAfterBoth_exceptionalCompletion4() {
1019	>	/**
1020	>	* If a whenComplete action throws an exception when triggered by
1021	>	* a source completion that also throws an exception, the source
1022	>	* exception takes precedence (unlike handle)
1023	>	*/
1024	>	public void testWhenComplete_sourceFailedActionFailed() {
1025	>	for (boolean createIncomplete : new boolean[] { true, false })
1026		for (ExecutionMode m : ExecutionMode.values())
1027	<	for (Integer v1 : new Integer[] { 1, null }) {
1028	<
1027	>	{
1028	>	final AtomicInteger a = new AtomicInteger(0);
1029	>	final CFException ex1 = new CFException();
1030	>	final CFException ex2 = new CFException();
1031		final CompletableFuture<Integer> f = new CompletableFuture<>();
1138	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1139	–	final Noop r = new Noop();
1140	–	final CFException ex = new CFException();
1141	–
1142	–	f.completeExceptionally(ex);
1143	–	g.complete(v1);
1144	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1032
1033	<	checkCompletedWithWrappedCFException(h, ex);
1034	<	checkCompletedWithWrappedCFException(f, ex);
1035	<	assertFalse(r.ran);
1036	<	checkCompletedNormally(g, v1);
1033	>	if (!createIncomplete) f.completeExceptionally(ex1);
1034	>	final CompletableFuture<Integer> g = m.whenComplete
1035	>	(f,
1036	>	(Integer result, Throwable t) -> {
1037	>	m.checkExecutionMode();
1038	>	threadAssertSame(t, ex1);
1039	>	threadAssertNull(result);
1040	>	a.getAndIncrement();
1041	>	throw ex2;
1042	>	});
1043	>	if (createIncomplete) f.completeExceptionally(ex1);
1044	>
1045	>	checkCompletedWithWrappedException(g, ex1);
1046	>	checkCompletedExceptionally(f, ex1);
1047	>	if (testImplementationDetails) {
1048	>	assertEquals(1, ex1.getSuppressed().length);
1049	>	assertSame(ex2, ex1.getSuppressed()[0]);
1050		}
1051	<	}
1051	>	assertEquals(1, a.get());
1052	>	}}
1053
1054		/**
1055	<	* runAfterBoth result completes exceptionally if action does
1055	>	* handle action completes normally with function value on normal
1056	>	* completion of source
1057		*/
1058	<	public void testRunAfterBoth_actionFailed1() {
1058	>	public void testHandle_normalCompletion() {
1059		for (ExecutionMode m : ExecutionMode.values())
1060	+	for (boolean createIncomplete : new boolean[] { true, false })
1061		for (Integer v1 : new Integer[] { 1, null })
1062	<	for (Integer v2 : new Integer[] { 2, null }) {
1160	<
1062	>	{
1063		final CompletableFuture<Integer> f = new CompletableFuture<>();
1064	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1065	<	final FailingNoop r = new FailingNoop();
1066	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1067	<
1068	<	f.complete(v1);
1069	<	checkIncomplete(h);
1070	<	g.complete(v2);
1064	>	final AtomicInteger a = new AtomicInteger(0);
1065	>	if (!createIncomplete) assertTrue(f.complete(v1));
1066	>	final CompletableFuture<Integer> g = m.handle
1067	>	(f,
1068	>	(Integer result, Throwable t) -> {
1069	>	m.checkExecutionMode();
1070	>	threadAssertSame(result, v1);
1071	>	threadAssertNull(t);
1072	>	a.getAndIncrement();
1073	>	return inc(v1);
1074	>	});
1075	>	if (createIncomplete) assertTrue(f.complete(v1));
1076
1077	<	checkCompletedWithWrappedCFException(h);
1077	>	checkCompletedNormally(g, inc(v1));
1078		checkCompletedNormally(f, v1);
1079	<	checkCompletedNormally(g, v2);
1080	<	}
1174	<	}
1079	>	assertEquals(1, a.get());
1080	>	}}
1081
1082	<	public void testRunAfterBoth_actionFailed2() {
1082	>	/**
1083	>	* handle action completes normally with function value on
1084	>	* exceptional completion of source
1085	>	*/
1086	>	public void testHandle_exceptionalCompletion() {
1087		for (ExecutionMode m : ExecutionMode.values())
1088	+	for (boolean createIncomplete : new boolean[] { true, false })
1089		for (Integer v1 : new Integer[] { 1, null })
1090	<	for (Integer v2 : new Integer[] { 2, null }) {
1180	<
1090	>	{
1091		final CompletableFuture<Integer> f = new CompletableFuture<>();
1092	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1093	<	final FailingNoop r = new FailingNoop();
1094	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1095	<
1096	<	g.complete(v2);
1097	<	checkIncomplete(h);
1098	<	f.complete(v1);
1092	>	final AtomicInteger a = new AtomicInteger(0);
1093	>	final CFException ex = new CFException();
1094	>	if (!createIncomplete) f.completeExceptionally(ex);
1095	>	final CompletableFuture<Integer> g = m.handle
1096	>	(f,
1097	>	(Integer result, Throwable t) -> {
1098	>	m.checkExecutionMode();
1099	>	threadAssertNull(result);
1100	>	threadAssertSame(t, ex);
1101	>	a.getAndIncrement();
1102	>	return v1;
1103	>	});
1104	>	if (createIncomplete) f.completeExceptionally(ex);
1105
1106	<	checkCompletedWithWrappedCFException(h);
1107	<	checkCompletedNormally(f, v1);
1108	<	checkCompletedNormally(g, v2);
1109	<	}
1194	<	}
1106	>	checkCompletedNormally(g, v1);
1107	>	checkCompletedExceptionally(f, ex);
1108	>	assertEquals(1, a.get());
1109	>	}}
1110
1111		/**
1112	<	* runAfterBoth result completes exceptionally if either source cancelled
1112	>	* handle action completes normally with function value on
1113	>	* cancelled source
1114		*/
1115	<	public void testRunAfterBoth_sourceCancelled1() {
1115	>	public void testHandle_sourceCancelled() {
1116		for (ExecutionMode m : ExecutionMode.values())
1117		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1118	<	for (Integer v1 : new Integer[] { 1, null }) {
1119	<
1118	>	for (boolean createIncomplete : new boolean[] { true, false })
1119	>	for (Integer v1 : new Integer[] { 1, null })
1120	>	{
1121		final CompletableFuture<Integer> f = new CompletableFuture<>();
1122	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1123	<	final Noop r = new Noop();
1124	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1122	>	final AtomicInteger a = new AtomicInteger(0);
1123	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1124	>	final CompletableFuture<Integer> g = m.handle
1125	>	(f,
1126	>	(Integer result, Throwable t) -> {
1127	>	m.checkExecutionMode();
1128	>	threadAssertNull(result);
1129	>	threadAssertTrue(t instanceof CancellationException);
1130	>	a.getAndIncrement();
1131	>	return v1;
1132	>	});
1133	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1134
1209	–	assertTrue(f.cancel(mayInterruptIfRunning));
1210	–	checkIncomplete(h);
1211	–	g.complete(v1);
1212	–
1213	–	checkCompletedWithWrappedCancellationException(h);
1214	–	checkCancelled(f);
1215	–	assertFalse(r.ran);
1135		checkCompletedNormally(g, v1);
1217	–	}
1218	–	}
1219	–
1220	–	public void testRunAfterBoth_sourceCancelled2() {
1221	–	for (ExecutionMode m : ExecutionMode.values())
1222	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1223	–	for (Integer v1 : new Integer[] { 1, null }) {
1224	–
1225	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1226	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1227	–	final Noop r = new Noop();
1228	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1229	–
1230	–	assertTrue(g.cancel(mayInterruptIfRunning));
1231	–	checkIncomplete(h);
1232	–	f.complete(v1);
1233	–
1234	–	checkCompletedWithWrappedCancellationException(h);
1235	–	checkCancelled(g);
1236	–	assertFalse(r.ran);
1237	–	checkCompletedNormally(f, v1);
1238	–	}
1239	–	}
1240	–
1241	–	public void testRunAfterBoth_sourceCancelled3() {
1242	–	for (ExecutionMode m : ExecutionMode.values())
1243	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1244	–	for (Integer v1 : new Integer[] { 1, null }) {
1245	–
1246	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1247	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1248	–	final Noop r = new Noop();
1249	–
1250	–	assertTrue(g.cancel(mayInterruptIfRunning));
1251	–	f.complete(v1);
1252	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1253	–
1254	–	checkCompletedWithWrappedCancellationException(h);
1255	–	checkCancelled(g);
1256	–	assertFalse(r.ran);
1257	–	checkCompletedNormally(f, v1);
1258	–	}
1259	–	}
1260	–
1261	–	public void testRunAfterBoth_sourceCancelled4() {
1262	–	for (ExecutionMode m : ExecutionMode.values())
1263	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1264	–	for (Integer v1 : new Integer[] { 1, null }) {
1265	–
1266	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1267	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1268	–	final Noop r = new Noop();
1269	–
1270	–	assertTrue(f.cancel(mayInterruptIfRunning));
1271	–	g.complete(v1);
1272	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1273	–
1274	–	checkCompletedWithWrappedCancellationException(h);
1136		checkCancelled(f);
1137	<	assertFalse(r.ran);
1138	<	checkCompletedNormally(g, v1);
1278	<	}
1279	<	}
1137	>	assertEquals(1, a.get());
1138	>	}}
1139
1140		/**
1141	<	* applyToEither result completes normally after normal completion
1142	<	* of either source
1141	>	* If a "handle action" throws an exception when triggered by
1142	>	* a normal completion, it completes exceptionally
1143		*/
1144	<	public void testApplyToEither() {
1145	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1146	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1147	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1148	<	f.complete(one);
1149	<	checkCompletedNormally(g, two);
1150	<	f2.complete(one);
1151	<	checkCompletedNormally(g, two);
1144	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1145	>	for (ExecutionMode m : ExecutionMode.values())
1146	>	for (boolean createIncomplete : new boolean[] { true, false })
1147	>	for (Integer v1 : new Integer[] { 1, null })
1148	>	{
1149	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1150	>	final AtomicInteger a = new AtomicInteger(0);
1151	>	final CFException ex = new CFException();
1152	>	if (!createIncomplete) assertTrue(f.complete(v1));
1153	>	final CompletableFuture<Integer> g = m.handle
1154	>	(f,
1155	>	(Integer result, Throwable t) -> {
1156	>	m.checkExecutionMode();
1157	>	threadAssertSame(result, v1);
1158	>	threadAssertNull(t);
1159	>	a.getAndIncrement();
1160	>	throw ex;
1161	>	});
1162	>	if (createIncomplete) assertTrue(f.complete(v1));
1163
1164	<	f = new CompletableFuture<>();
1165	<	f.complete(one);
1166	<	f2 = new CompletableFuture<>();
1167	<	g = f.applyToEither(f2, inc);
1298	<	checkCompletedNormally(g, two);
1299	<	}
1164	>	checkCompletedWithWrappedException(g, ex);
1165	>	checkCompletedNormally(f, v1);
1166	>	assertEquals(1, a.get());
1167	>	}}
1168
1169		/**
1170	<	* applyToEither result completes exceptionally after exceptional
1171	<	* completion of either source
1170	>	* If a "handle action" throws an exception when triggered by
1171	>	* a source completion that also throws an exception, the action
1172	>	* exception takes precedence (unlike whenComplete)
1173		*/
1174	<	public void testApplyToEither2() {
1175	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1176	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1177	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1178	<	f.completeExceptionally(new CFException());
1179	<	f2.complete(one);
1180	<	checkCompletedWithWrappedCFException(g);
1174	>	public void testHandle_sourceFailedActionFailed() {
1175	>	for (boolean createIncomplete : new boolean[] { true, false })
1176	>	for (ExecutionMode m : ExecutionMode.values())
1177	>	{
1178	>	final AtomicInteger a = new AtomicInteger(0);
1179	>	final CFException ex1 = new CFException();
1180	>	final CFException ex2 = new CFException();
1181	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1182
1183	<	f = new CompletableFuture<>();
1184	<	f2 = new CompletableFuture<>();
1185	<	f2.completeExceptionally(new CFException());
1186	<	g = f.applyToEither(f2, inc);
1187	<	checkCompletedWithWrappedCFException(g);
1188	<	}
1183	>	if (!createIncomplete) f.completeExceptionally(ex1);
1184	>	final CompletableFuture<Integer> g = m.handle
1185	>	(f,
1186	>	(Integer result, Throwable t) -> {
1187	>	m.checkExecutionMode();
1188	>	threadAssertNull(result);
1189	>	threadAssertSame(ex1, t);
1190	>	a.getAndIncrement();
1191	>	throw ex2;
1192	>	});
1193	>	if (createIncomplete) f.completeExceptionally(ex1);
1194	>
1195	>	checkCompletedWithWrappedException(g, ex2);
1196	>	checkCompletedExceptionally(f, ex1);
1197	>	assertEquals(1, a.get());
1198	>	}}
1199
1200		/**
1201	<	* applyToEither result completes exceptionally if action does
1201	>	* runAsync completes after running Runnable
1202		*/
1203	<	public void testApplyToEither3() {
1204	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1205	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1206	<	FailingFunction r = new FailingFunction();
1207	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
1208	<	f2.complete(two);
1209	<	checkCompletedWithWrappedCFException(g);
1210	<	}
1203	>	public void testRunAsync_normalCompletion() {
1204	>	ExecutionMode[] executionModes = {
1205	>	ExecutionMode.ASYNC,
1206	>	ExecutionMode.EXECUTOR,
1207	>	};
1208	>	for (ExecutionMode m : executionModes)
1209	>	{
1210	>	final Noop r = new Noop(m);
1211	>	final CompletableFuture<Void> f = m.runAsync(r);
1212	>	assertNull(f.join());
1213	>	checkCompletedNormally(f, null);
1214	>	r.assertInvoked();
1215	>	}}
1216
1217		/**
1218	<	* applyToEither result completes exceptionally if either source cancelled
1218	>	* failing runAsync completes exceptionally after running Runnable
1219		*/
1220	<	public void testApplyToEither4() {
1221	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1222	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1223	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1224	<	assertTrue(f.cancel(true));
1225	<	checkCompletedWithWrappedCancellationException(g);
1226	<	f = new CompletableFuture<>();
1227	<	f2 = new CompletableFuture<>();
1228	<	assertTrue(f2.cancel(true));
1229	<	checkCompletedWithWrappedCancellationException(g);
1230	<	}
1220	>	public void testRunAsync_exceptionalCompletion() {
1221	>	ExecutionMode[] executionModes = {
1222	>	ExecutionMode.ASYNC,
1223	>	ExecutionMode.EXECUTOR,
1224	>	};
1225	>	for (ExecutionMode m : executionModes)
1226	>	{
1227	>	final FailingRunnable r = new FailingRunnable(m);
1228	>	final CompletableFuture<Void> f = m.runAsync(r);
1229	>	checkCompletedWithWrappedCFException(f);
1230	>	r.assertInvoked();
1231	>	}}
1232
1233		/**
1234	<	* acceptEither result completes normally after normal completion
1349	<	* of either source
1234	>	* supplyAsync completes with result of supplier
1235		*/
1236	<	public void testAcceptEither() {
1237	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1238	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1239	<	IncAction r = new IncAction();
1240	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1241	<	f.complete(one);
1242	<	checkCompletedNormally(g, null);
1243	<	f2.complete(one);
1244	<	checkCompletedNormally(g, null);
1245	<	assertEquals(r.value, 2);
1246	<
1247	<	r = new IncAction();
1248	<	f = new CompletableFuture<>();
1249	<	f.complete(one);
1365	<	f2 = new CompletableFuture<>();
1366	<	g = f.acceptEither(f2, r);
1367	<	checkCompletedNormally(g, null);
1368	<	assertEquals(r.value, 2);
1369	<	}
1236	>	public void testSupplyAsync_normalCompletion() {
1237	>	ExecutionMode[] executionModes = {
1238	>	ExecutionMode.ASYNC,
1239	>	ExecutionMode.EXECUTOR,
1240	>	};
1241	>	for (ExecutionMode m : executionModes)
1242	>	for (Integer v1 : new Integer[] { 1, null })
1243	>	{
1244	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1245	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1246	>	assertSame(v1, f.join());
1247	>	checkCompletedNormally(f, v1);
1248	>	r.assertInvoked();
1249	>	}}
1250
1251		/**
1252	<	* acceptEither result completes exceptionally after exceptional
1373	<	* completion of either source
1252	>	* Failing supplyAsync completes exceptionally
1253		*/
1254	<	public void testAcceptEither2() {
1255	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1256	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1257	<	IncAction r = new IncAction();
1258	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1259	<	f.completeExceptionally(new CFException());
1260	<	f2.complete(one);
1261	<	checkCompletedWithWrappedCFException(g);
1254	>	public void testSupplyAsync_exceptionalCompletion() {
1255	>	ExecutionMode[] executionModes = {
1256	>	ExecutionMode.ASYNC,
1257	>	ExecutionMode.EXECUTOR,
1258	>	};
1259	>	for (ExecutionMode m : executionModes)
1260	>	{
1261	>	FailingSupplier r = new FailingSupplier(m);
1262	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1263	>	checkCompletedWithWrappedCFException(f);
1264	>	r.assertInvoked();
1265	>	}}
1266
1267	<	r = new IncAction();
1385	<	f = new CompletableFuture<>();
1386	<	f2 = new CompletableFuture<>();
1387	<	f2.completeExceptionally(new CFException());
1388	<	g = f.acceptEither(f2, r);
1389	<	checkCompletedWithWrappedCFException(g);
1390	<	}
1267	>	// seq completion methods
1268
1269		/**
1270	<	* acceptEither result completes exceptionally if action does
1270	>	* thenRun result completes normally after normal completion of source
1271		*/
1272	<	public void testAcceptEither3() {
1273	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1274	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1275	<	FailingConsumer r = new FailingConsumer();
1276	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1277	<	f2.complete(two);
1278	<	checkCompletedWithWrappedCFException(g);
1402	<	}
1272	>	public void testThenRun_normalCompletion() {
1273	>	for (ExecutionMode m : ExecutionMode.values())
1274	>	for (Integer v1 : new Integer[] { 1, null })
1275	>	{
1276	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1277	>	final Noop[] rs = new Noop[6];
1278	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1279
1280	<	/**
1281	<	* acceptEither result completes exceptionally if either source cancelled
1282	<	*/
1283	<	public void testAcceptEither4() {
1284	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1285	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1286	<	IncAction r = new IncAction();
1287	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1288	<	assertTrue(f.cancel(true));
1289	<	checkCompletedWithWrappedCancellationException(g);
1290	<	f = new CompletableFuture<>();
1291	<	f2 = new CompletableFuture<>();
1292	<	assertTrue(f2.cancel(true));
1293	<	checkCompletedWithWrappedCancellationException(g);
1294	<	}
1280	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1281	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1282	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1283	>	checkIncomplete(h0);
1284	>	checkIncomplete(h1);
1285	>	checkIncomplete(h2);
1286	>	assertTrue(f.complete(v1));
1287	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1288	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1289	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1290	>
1291	>	checkCompletedNormally(h0, null);
1292	>	checkCompletedNormally(h1, null);
1293	>	checkCompletedNormally(h2, null);
1294	>	checkCompletedNormally(h3, null);
1295	>	checkCompletedNormally(h4, null);
1296	>	checkCompletedNormally(h5, null);
1297	>	checkCompletedNormally(f, v1);
1298	>	for (Noop r : rs) r.assertInvoked();
1299	>	}}
1300
1301		/**
1302	<	* runAfterEither result completes normally after normal completion
1303	<	* of either source
1302	>	* thenRun result completes exceptionally after exceptional
1303	>	* completion of source
1304		*/
1305	<	public void testRunAfterEither() {
1306	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1307	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1308	<	Noop r = new Noop();
1309	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1310	<	f.complete(one);
1311	<	checkCompletedNormally(g, null);
1431	<	f2.complete(one);
1432	<	checkCompletedNormally(g, null);
1433	<	assertTrue(r.ran);
1305	>	public void testThenRun_exceptionalCompletion() {
1306	>	for (ExecutionMode m : ExecutionMode.values())
1307	>	{
1308	>	final CFException ex = new CFException();
1309	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1310	>	final Noop[] rs = new Noop[6];
1311	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1312
1313	<	r = new Noop();
1314	<	f = new CompletableFuture<>();
1315	<	f.complete(one);
1316	<	f2 = new CompletableFuture<>();
1317	<	g = f.runAfterEither(f2, r);
1318	<	checkCompletedNormally(g, null);
1319	<	assertTrue(r.ran);
1320	<	}
1313	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1314	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1315	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1316	>	checkIncomplete(h0);
1317	>	checkIncomplete(h1);
1318	>	checkIncomplete(h2);
1319	>	assertTrue(f.completeExceptionally(ex));
1320	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1321	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1322	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1323	>
1324	>	checkCompletedWithWrappedException(h0, ex);
1325	>	checkCompletedWithWrappedException(h1, ex);
1326	>	checkCompletedWithWrappedException(h2, ex);
1327	>	checkCompletedWithWrappedException(h3, ex);
1328	>	checkCompletedWithWrappedException(h4, ex);
1329	>	checkCompletedWithWrappedException(h5, ex);
1330	>	checkCompletedExceptionally(f, ex);
1331	>	for (Noop r : rs) r.assertNotInvoked();
1332	>	}}
1333
1334		/**
1335	<	* runAfterEither result completes exceptionally after exceptional
1446	<	* completion of either source
1335	>	* thenRun result completes exceptionally if source cancelled
1336		*/
1337	<	public void testRunAfterEither2() {
1338	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1339	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1340	<	Noop r = new Noop();
1341	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1342	<	f.completeExceptionally(new CFException());
1343	<	f2.complete(one);
1455	<	checkCompletedWithWrappedCFException(g);
1337	>	public void testThenRun_sourceCancelled() {
1338	>	for (ExecutionMode m : ExecutionMode.values())
1339	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1340	>	{
1341	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1342	>	final Noop[] rs = new Noop[6];
1343	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1344
1345	<	r = new Noop();
1346	<	f = new CompletableFuture<>();
1347	<	f2 = new CompletableFuture<>();
1348	<	f2.completeExceptionally(new CFException());
1349	<	g = f.runAfterEither(f2, r);
1350	<	checkCompletedWithWrappedCFException(g);
1351	<	}
1345	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1346	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1347	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1348	>	checkIncomplete(h0);
1349	>	checkIncomplete(h1);
1350	>	checkIncomplete(h2);
1351	>	assertTrue(f.cancel(mayInterruptIfRunning));
1352	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1353	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1354	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1355	>
1356	>	checkCompletedWithWrappedCancellationException(h0);
1357	>	checkCompletedWithWrappedCancellationException(h1);
1358	>	checkCompletedWithWrappedCancellationException(h2);
1359	>	checkCompletedWithWrappedCancellationException(h3);
1360	>	checkCompletedWithWrappedCancellationException(h4);
1361	>	checkCompletedWithWrappedCancellationException(h5);
1362	>	checkCancelled(f);
1363	>	for (Noop r : rs) r.assertNotInvoked();
1364	>	}}
1365
1366		/**
1367	<	* runAfterEither result completes exceptionally if action does
1367	>	* thenRun result completes exceptionally if action does
1368		*/
1369	<	public void testRunAfterEither3() {
1370	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1371	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1372	<	FailingNoop r = new FailingNoop();
1373	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1374	<	f2.complete(two);
1375	<	checkCompletedWithWrappedCFException(g);
1475	<	}
1369	>	public void testThenRun_actionFailed() {
1370	>	for (ExecutionMode m : ExecutionMode.values())
1371	>	for (Integer v1 : new Integer[] { 1, null })
1372	>	{
1373	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1374	>	final FailingRunnable[] rs = new FailingRunnable[6];
1375	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1376
1377	<	/**
1378	<	* runAfterEither result completes exceptionally if either source cancelled
1379	<	*/
1380	<	public void testRunAfterEither4() {
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	<	assertTrue(f.cancel(true));
1386	<	checkCompletedWithWrappedCancellationException(g);
1387	<	f = new CompletableFuture<>();
1388	<	f2 = new CompletableFuture<>();
1389	<	assertTrue(f2.cancel(true));
1390	<	checkCompletedWithWrappedCancellationException(g);
1391	<	}
1377	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1378	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1379	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1380	>	assertTrue(f.complete(v1));
1381	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1382	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1383	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1384	>
1385	>	checkCompletedWithWrappedCFException(h0);
1386	>	checkCompletedWithWrappedCFException(h1);
1387	>	checkCompletedWithWrappedCFException(h2);
1388	>	checkCompletedWithWrappedCFException(h3);
1389	>	checkCompletedWithWrappedCFException(h4);
1390	>	checkCompletedWithWrappedCFException(h5);
1391	>	checkCompletedNormally(f, v1);
1392	>	}}
1393
1394		/**
1395	<	* thenCompose result completes normally after normal completion of source
1395	>	* thenApply result completes normally after normal completion of source
1396		*/
1397	<	public void testThenCompose() {
1398	<	CompletableFuture<Integer> f, g;
1399	<	CompletableFutureInc r;
1400	<
1401	<	f = new CompletableFuture<>();
1402	<	g = f.thenCompose(r = new CompletableFutureInc());
1403	<	f.complete(one);
1503	<	checkCompletedNormally(g, two);
1504	<	assertTrue(r.ran);
1397	>	public void testThenApply_normalCompletion() {
1398	>	for (ExecutionMode m : ExecutionMode.values())
1399	>	for (Integer v1 : new Integer[] { 1, null })
1400	>	{
1401	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1402	>	final IncFunction[] rs = new IncFunction[4];
1403	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1404
1405	<	f = new CompletableFuture<>();
1406	<	f.complete(one);
1407	<	g = f.thenCompose(r = new CompletableFutureInc());
1408	<	checkCompletedNormally(g, two);
1409	<	assertTrue(r.ran);
1410	<	}
1405	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1406	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1407	>	checkIncomplete(h0);
1408	>	checkIncomplete(h1);
1409	>	assertTrue(f.complete(v1));
1410	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1411	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1412	>
1413	>	checkCompletedNormally(h0, inc(v1));
1414	>	checkCompletedNormally(h1, inc(v1));
1415	>	checkCompletedNormally(h2, inc(v1));
1416	>	checkCompletedNormally(h3, inc(v1));
1417	>	checkCompletedNormally(f, v1);
1418	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1419	>	}}
1420
1421		/**
1422	<	* thenCompose result completes exceptionally after exceptional
1422	>	* thenApply result completes exceptionally after exceptional
1423		* completion of source
1424		*/
1425	<	public void testThenCompose2() {
1426	<	CompletableFuture<Integer> f, g;
1427	<	CompletableFutureInc r;
1428	<
1429	<	f = new CompletableFuture<>();
1430	<	g = f.thenCompose(r = new CompletableFutureInc());
1431	<	f.completeExceptionally(new CFException());
1524	<	checkCompletedWithWrappedCFException(g);
1525	<
1526	<	f = new CompletableFuture<>();
1527	<	f.completeExceptionally(new CFException());
1528	<	g = f.thenCompose(r = new CompletableFutureInc());
1529	<	checkCompletedWithWrappedCFException(g);
1530	<	}
1531	<
1532	<	/**
1533	<	* thenCompose result completes exceptionally if action does
1534	<	*/
1535	<	public void testThenCompose3() {
1536	<	CompletableFuture<Integer> f, g;
1537	<	FailingCompletableFutureFunction r;
1538	<
1539	<	f = new CompletableFuture<>();
1540	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1541	<	f.complete(one);
1542	<	checkCompletedWithWrappedCFException(g);
1425	>	public void testThenApply_exceptionalCompletion() {
1426	>	for (ExecutionMode m : ExecutionMode.values())
1427	>	{
1428	>	final CFException ex = new CFException();
1429	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1430	>	final IncFunction[] rs = new IncFunction[4];
1431	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1432
1433	<	f = new CompletableFuture<>();
1434	<	f.complete(one);
1435	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1436	<	checkCompletedWithWrappedCFException(g);
1437	<	}
1433	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1434	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1435	>	assertTrue(f.completeExceptionally(ex));
1436	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1437	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1438	>
1439	>	checkCompletedWithWrappedException(h0, ex);
1440	>	checkCompletedWithWrappedException(h1, ex);
1441	>	checkCompletedWithWrappedException(h2, ex);
1442	>	checkCompletedWithWrappedException(h3, ex);
1443	>	checkCompletedExceptionally(f, ex);
1444	>	for (IncFunction r : rs) r.assertNotInvoked();
1445	>	}}
1446
1447		/**
1448	<	* thenCompose result completes exceptionally if source cancelled
1448	>	* thenApply result completes exceptionally if source cancelled
1449		*/
1450	<	public void testThenCompose4() {
1451	<	CompletableFuture<Integer> f, g;
1452	<	CompletableFutureInc r;
1453	<
1454	<	f = new CompletableFuture<>();
1455	<	g = f.thenCompose(r = new CompletableFutureInc());
1456	<	assertTrue(f.cancel(true));
1560	<	checkCompletedWithWrappedCancellationException(g);
1561	<
1562	<	f = new CompletableFuture<>();
1563	<	assertTrue(f.cancel(true));
1564	<	g = f.thenCompose(r = new CompletableFutureInc());
1565	<	checkCompletedWithWrappedCancellationException(g);
1566	<	}
1567	<
1568	<	// asyncs
1450	>	public void testThenApply_sourceCancelled() {
1451	>	for (ExecutionMode m : ExecutionMode.values())
1452	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1453	>	{
1454	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1455	>	final IncFunction[] rs = new IncFunction[4];
1456	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1457
1458	<	/**
1459	<	* thenRunAsync result completes normally after normal completion of source
1460	<	*/
1461	<	public void testThenRunAsync() {
1462	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1575	<	Noop r = new Noop();
1576	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1577	<	f.complete(null);
1578	<	checkCompletedNormally(g, null);
1458	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1459	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1460	>	assertTrue(f.cancel(mayInterruptIfRunning));
1461	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1462	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1463
1464	<	// reordered version
1465	<	f = new CompletableFuture<>();
1466	<	f.complete(null);
1467	<	r = new Noop();
1468	<	g = f.thenRunAsync(r);
1469	<	checkCompletedNormally(g, null);
1470	<	}
1464	>	checkCompletedWithWrappedCancellationException(h0);
1465	>	checkCompletedWithWrappedCancellationException(h1);
1466	>	checkCompletedWithWrappedCancellationException(h2);
1467	>	checkCompletedWithWrappedCancellationException(h3);
1468	>	checkCancelled(f);
1469	>	for (IncFunction r : rs) r.assertNotInvoked();
1470	>	}}
1471
1472		/**
1473	<	* thenRunAsync result completes exceptionally after exceptional
1590	<	* completion of source
1473	>	* thenApply result completes exceptionally if action does
1474		*/
1475	<	public void testThenRunAsync2() {
1476	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1477	<	Noop r = new Noop();
1478	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1479	<	f.completeExceptionally(new CFException());
1480	<	try {
1481	<	g.join();
1599	<	shouldThrow();
1600	<	} catch (CompletionException success) {}
1601	<	checkCompletedWithWrappedCFException(g);
1602	<	}
1475	>	public void testThenApply_actionFailed() {
1476	>	for (ExecutionMode m : ExecutionMode.values())
1477	>	for (Integer v1 : new Integer[] { 1, null })
1478	>	{
1479	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1480	>	final FailingFunction[] rs = new FailingFunction[4];
1481	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1482
1483	<	/**
1484	<	* thenRunAsync result completes exceptionally if action does
1485	<	*/
1486	<	public void testThenRunAsync3() {
1487	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1488	<	FailingNoop r = new FailingNoop();
1489	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1490	<	f.complete(null);
1491	<	checkCompletedWithWrappedCFException(g);
1492	<	}
1483	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1484	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1485	>	assertTrue(f.complete(v1));
1486	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1487	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1488	>
1489	>	checkCompletedWithWrappedCFException(h0);
1490	>	checkCompletedWithWrappedCFException(h1);
1491	>	checkCompletedWithWrappedCFException(h2);
1492	>	checkCompletedWithWrappedCFException(h3);
1493	>	checkCompletedNormally(f, v1);
1494	>	}}
1495
1496		/**
1497	<	* thenRunAsync result completes exceptionally if source cancelled
1497	>	* thenAccept result completes normally after normal completion of source
1498		*/
1499	<	public void testThenRunAsync4() {
1500	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1501	<	Noop r = new Noop();
1502	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1503	<	assertTrue(f.cancel(true));
1504	<	checkCompletedWithWrappedCancellationException(g);
1505	<	}
1499	>	public void testThenAccept_normalCompletion() {
1500	>	for (ExecutionMode m : ExecutionMode.values())
1501	>	for (Integer v1 : new Integer[] { 1, null })
1502	>	{
1503	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1504	>	final NoopConsumer[] rs = new NoopConsumer[4];
1505	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1506
1507	<	/**
1508	<	* thenApplyAsync result completes normally after normal completion of source
1509	<	*/
1510	<	public void testThenApplyAsync() {
1511	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1512	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1513	<	f.complete(one);
1514	<	checkCompletedNormally(g, two);
1515	<	}
1507	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1508	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1509	>	checkIncomplete(h0);
1510	>	checkIncomplete(h1);
1511	>	assertTrue(f.complete(v1));
1512	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1513	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1514	>
1515	>	checkCompletedNormally(h0, null);
1516	>	checkCompletedNormally(h1, null);
1517	>	checkCompletedNormally(h2, null);
1518	>	checkCompletedNormally(h3, null);
1519	>	checkCompletedNormally(f, v1);
1520	>	for (NoopConsumer r : rs) r.assertValue(v1);
1521	>	}}
1522
1523		/**
1524	<	* thenApplyAsync result completes exceptionally after exceptional
1524	>	* thenAccept result completes exceptionally after exceptional
1525		* completion of source
1526		*/
1527	<	public void testThenApplyAsync2() {
1528	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1529	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1530	<	f.completeExceptionally(new CFException());
1531	<	checkCompletedWithWrappedCFException(g);
1532	<	}
1527	>	public void testThenAccept_exceptionalCompletion() {
1528	>	for (ExecutionMode m : ExecutionMode.values())
1529	>	{
1530	>	final CFException ex = new CFException();
1531	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1532	>	final NoopConsumer[] rs = new NoopConsumer[4];
1533	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1534
1535	<	/**
1536	<	* thenApplyAsync result completes exceptionally if action does
1537	<	*/
1538	<	public void testThenApplyAsync3() {
1539	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1540	<	FailingFunction r = new FailingFunction();
1541	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1542	<	f.complete(null);
1543	<	checkCompletedWithWrappedCFException(g);
1544	<	}
1535	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1536	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1537	>	assertTrue(f.completeExceptionally(ex));
1538	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1539	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1540	>
1541	>	checkCompletedWithWrappedException(h0, ex);
1542	>	checkCompletedWithWrappedException(h1, ex);
1543	>	checkCompletedWithWrappedException(h2, ex);
1544	>	checkCompletedWithWrappedException(h3, ex);
1545	>	checkCompletedExceptionally(f, ex);
1546	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1547	>	}}
1548
1549		/**
1550	<	* thenApplyAsync result completes exceptionally if source cancelled
1550	>	* thenAccept result completes exceptionally if source cancelled
1551		*/
1552	<	public void testThenApplyAsync4() {
1553	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1554	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1555	<	assertTrue(f.cancel(true));
1556	<	checkCompletedWithWrappedCancellationException(g);
1557	<	}
1552	>	public void testThenAccept_sourceCancelled() {
1553	>	for (ExecutionMode m : ExecutionMode.values())
1554	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1555	>	{
1556	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1557	>	final NoopConsumer[] rs = new NoopConsumer[4];
1558	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1559
1560	<	/**
1561	<	* thenAcceptAsync result completes normally after normal
1562	<	* completion of source
1563	<	*/
1564	<	public void testThenAcceptAsync() {
1673	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1674	<	IncAction r = new IncAction();
1675	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1676	<	f.complete(one);
1677	<	checkCompletedNormally(g, null);
1678	<	assertEquals(r.value, 2);
1679	<	}
1560	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1561	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1562	>	assertTrue(f.cancel(mayInterruptIfRunning));
1563	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1564	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1565
1566	<	/**
1567	<	* thenAcceptAsync result completes exceptionally after exceptional
1568	<	* completion of source
1569	<	*/
1570	<	public void testThenAcceptAsync2() {
1571	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1572	<	IncAction r = new IncAction();
1688	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1689	<	f.completeExceptionally(new CFException());
1690	<	checkCompletedWithWrappedCFException(g);
1691	<	}
1566	>	checkCompletedWithWrappedCancellationException(h0);
1567	>	checkCompletedWithWrappedCancellationException(h1);
1568	>	checkCompletedWithWrappedCancellationException(h2);
1569	>	checkCompletedWithWrappedCancellationException(h3);
1570	>	checkCancelled(f);
1571	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1572	>	}}
1573
1574		/**
1575	<	* thenAcceptAsync result completes exceptionally if action does
1575	>	* thenAccept result completes exceptionally if action does
1576		*/
1577	<	public void testThenAcceptAsync3() {
1578	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1579	<	FailingConsumer r = new FailingConsumer();
1580	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1581	<	f.complete(null);
1582	<	checkCompletedWithWrappedCFException(g);
1583	<	}
1577	>	public void testThenAccept_actionFailed() {
1578	>	for (ExecutionMode m : ExecutionMode.values())
1579	>	for (Integer v1 : new Integer[] { 1, null })
1580	>	{
1581	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1582	>	final FailingConsumer[] rs = new FailingConsumer[4];
1583	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1584
1585	<	/**
1586	<	* thenAcceptAsync result completes exceptionally if source cancelled
1587	<	*/
1588	<	public void testThenAcceptAsync4() {
1589	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1590	<	IncAction r = new IncAction();
1591	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1592	<	assertTrue(f.cancel(true));
1593	<	checkCompletedWithWrappedCancellationException(g);
1594	<	}
1585	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1586	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1587	>	assertTrue(f.complete(v1));
1588	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1589	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1590	>
1591	>	checkCompletedWithWrappedCFException(h0);
1592	>	checkCompletedWithWrappedCFException(h1);
1593	>	checkCompletedWithWrappedCFException(h2);
1594	>	checkCompletedWithWrappedCFException(h3);
1595	>	checkCompletedNormally(f, v1);
1596	>	}}
1597
1598		/**
1599	<	* thenCombineAsync result completes normally after normal
1600	<	* completion of sources
1599	>	* thenCombine result completes normally after normal completion
1600	>	* of sources
1601		*/
1602	<	public void testThenCombineAsync() {
1603	<	CompletableFuture<Integer> f, g, h;
1604	<
1605	<	f = new CompletableFuture<>();
1606	<	g = new CompletableFuture<>();
1607	<	h = f.thenCombineAsync(g, subtract);
1608	<	f.complete(3);
1609	<	checkIncomplete(h);
1610	<	g.complete(1);
1611	<	checkCompletedNormally(h, 2);
1602	>	public void testThenCombine_normalCompletion() {
1603	>	for (ExecutionMode m : ExecutionMode.values())
1604	>	for (boolean fFirst : new boolean[] { true, false })
1605	>	for (Integer v1 : new Integer[] { 1, null })
1606	>	for (Integer v2 : new Integer[] { 2, null })
1607	>	{
1608	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1609	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1610	>	final SubtractFunction[] rs = new SubtractFunction[6];
1611	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1612
1613	<	f = new CompletableFuture<>();
1614	<	g = new CompletableFuture<>();
1615	<	h = f.thenCombineAsync(g, subtract);
1616	<	g.complete(1);
1617	<	checkIncomplete(h);
1618	<	f.complete(3);
1619	<	checkCompletedNormally(h, 2);
1613	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1614	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1615	>	final Integer w1 =  fFirst ? v1 : v2;
1616	>	final Integer w2 = !fFirst ? v1 : v2;
1617	>
1618	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1619	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1620	>	assertTrue(fst.complete(w1));
1621	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1622	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1623	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1624	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1625	>	checkCompletedNormally(h1, subtract(w1, w1));
1626	>	checkCompletedNormally(h3, subtract(w1, w1));
1627	>	rs[1].assertValue(subtract(w1, w1));
1628	>	rs[3].assertValue(subtract(w1, w1));
1629	>	assertTrue(snd.complete(w2));
1630	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1631	>
1632	>	checkCompletedNormally(h0, subtract(v1, v2));
1633	>	checkCompletedNormally(h2, subtract(v1, v2));
1634	>	checkCompletedNormally(h4, subtract(v1, v2));
1635	>	rs[0].assertValue(subtract(v1, v2));
1636	>	rs[2].assertValue(subtract(v1, v2));
1637	>	rs[4].assertValue(subtract(v1, v2));
1638
1639	<	f = new CompletableFuture<>();
1640	<	g = new CompletableFuture<>();
1641	<	g.complete(1);
1741	<	f.complete(3);
1742	<	h = f.thenCombineAsync(g, subtract);
1743	<	checkCompletedNormally(h, 2);
1744	<	}
1639	>	checkCompletedNormally(f, v1);
1640	>	checkCompletedNormally(g, v2);
1641	>	}}
1642
1643		/**
1644	<	* thenCombineAsync result completes exceptionally after exceptional
1644	>	* thenCombine result completes exceptionally after exceptional
1645		* completion of either source
1646		*/
1647	<	public void testThenCombineAsync2() {
1648	<	CompletableFuture<Integer> f, g, h;
1649	<
1650	<	f = new CompletableFuture<>();
1651	<	g = new CompletableFuture<>();
1652	<	h = f.thenCombineAsync(g, subtract);
1653	<	f.completeExceptionally(new CFException());
1654	<	checkIncomplete(h);
1655	<	g.complete(1);
1656	<	checkCompletedWithWrappedCFException(h);
1657	<
1658	<	f = new CompletableFuture<>();
1659	<	g = new CompletableFuture<>();
1660	<	h = f.thenCombineAsync(g, subtract);
1661	<	g.completeExceptionally(new CFException());
1662	<	checkIncomplete(h);
1663	<	f.complete(3);
1664	<	checkCompletedWithWrappedCFException(h);
1665	<
1666	<	f = new CompletableFuture<>();
1667	<	g = new CompletableFuture<>();
1668	<	g.completeExceptionally(new CFException());
1669	<	f.complete(3);
1670	<	h = f.thenCombineAsync(g, subtract);
1671	<	checkCompletedWithWrappedCFException(h);
1672	<	}
1673	<
1674	<	/**
1675	<	* thenCombineAsync result completes exceptionally if action does
1676	<	*/
1677	<	public void testThenCombineAsync3() {
1678	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1679	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1680	<	FailingBiFunction r = new FailingBiFunction();
1681	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1682	<	f.complete(one);
1683	<	checkIncomplete(g);
1684	<	assertFalse(r.ran);
1685	<	f2.complete(two);
1789	<	checkCompletedWithWrappedCFException(g);
1790	<	assertTrue(r.ran);
1791	<	}
1792	<
1793	<	/**
1794	<	* thenCombineAsync result completes exceptionally if either source cancelled
1795	<	*/
1796	<	public void testThenCombineAsync4() {
1797	<	CompletableFuture<Integer> f, g, h;
1798	<
1799	<	f = new CompletableFuture<>();
1800	<	g = new CompletableFuture<>();
1801	<	h = f.thenCombineAsync(g, subtract);
1802	<	assertTrue(f.cancel(true));
1803	<	checkIncomplete(h);
1804	<	g.complete(1);
1805	<	checkCompletedWithWrappedCancellationException(h);
1806	<
1807	<	f = new CompletableFuture<>();
1808	<	g = new CompletableFuture<>();
1809	<	h = f.thenCombineAsync(g, subtract);
1810	<	assertTrue(g.cancel(true));
1811	<	checkIncomplete(h);
1812	<	f.complete(3);
1813	<	checkCompletedWithWrappedCancellationException(h);
1814	<
1815	<	f = new CompletableFuture<>();
1816	<	g = new CompletableFuture<>();
1817	<	g.complete(3);
1818	<	assertTrue(f.cancel(true));
1819	<	h = f.thenCombineAsync(g, subtract);
1820	<	checkCompletedWithWrappedCancellationException(h);
1821	<
1822	<	f = new CompletableFuture<>();
1823	<	g = new CompletableFuture<>();
1824	<	f.complete(3);
1825	<	assertTrue(g.cancel(true));
1826	<	h = f.thenCombineAsync(g, subtract);
1827	<	checkCompletedWithWrappedCancellationException(h);
1828	<	}
1829	<
1830	<	/**
1831	<	* thenAcceptBothAsync result completes normally after normal
1832	<	* completion of sources
1833	<	*/
1834	<	public void testThenAcceptBothAsync() {
1835	<	CompletableFuture<Integer> f, g;
1836	<	CompletableFuture<Void> h;
1837	<	SubtractAction r;
1838	<
1839	<	f = new CompletableFuture<>();
1840	<	g = new CompletableFuture<>();
1841	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1842	<	f.complete(3);
1843	<	checkIncomplete(h);
1844	<	g.complete(1);
1845	<	checkCompletedNormally(h, null);
1846	<	assertEquals(r.value, 2);
1847	<
1848	<	f = new CompletableFuture<>();
1849	<	g = new CompletableFuture<>();
1850	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1851	<	g.complete(1);
1852	<	checkIncomplete(h);
1853	<	f.complete(3);
1854	<	checkCompletedNormally(h, null);
1855	<	assertEquals(r.value, 2);
1856	<
1857	<	f = new CompletableFuture<>();
1858	<	g = new CompletableFuture<>();
1859	<	g.complete(1);
1860	<	f.complete(3);
1861	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1862	<	checkCompletedNormally(h, null);
1863	<	assertEquals(r.value, 2);
1864	<	}
1865	<
1866	<	/**
1867	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1868	<	* completion of source
1869	<	*/
1870	<	public void testThenAcceptBothAsync2() {
1871	<	CompletableFuture<Integer> f, g;
1872	<	CompletableFuture<Void> h;
1873	<	SubtractAction r;
1874	<
1875	<	f = new CompletableFuture<>();
1876	<	g = new CompletableFuture<>();
1877	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1878	<	f.completeExceptionally(new CFException());
1879	<	checkIncomplete(h);
1880	<	g.complete(1);
1881	<	checkCompletedWithWrappedCFException(h);
1882	<
1883	<	f = new CompletableFuture<>();
1884	<	g = new CompletableFuture<>();
1885	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1886	<	g.completeExceptionally(new CFException());
1887	<	checkIncomplete(h);
1888	<	f.complete(3);
1889	<	checkCompletedWithWrappedCFException(h);
1890	<
1891	<	f = new CompletableFuture<>();
1892	<	g = new CompletableFuture<>();
1893	<	f.complete(3);
1894	<	g.completeExceptionally(new CFException());
1895	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1896	<	checkCompletedWithWrappedCFException(h);
1897	<
1898	<	f = new CompletableFuture<>();
1899	<	g = new CompletableFuture<>();
1900	<	f.completeExceptionally(new CFException());
1901	<	g.complete(3);
1902	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1903	<	checkCompletedWithWrappedCFException(h);
1904	<	}
1905	<
1906	<	/**
1907	<	* thenAcceptBothAsync result completes exceptionally if action does
1908	<	*/
1909	<	public void testThenAcceptBothAsync3() {
1910	<	CompletableFuture<Integer> f, g;
1911	<	CompletableFuture<Void> h;
1912	<	FailingBiConsumer r;
1913	<
1914	<	f = new CompletableFuture<>();
1915	<	g = new CompletableFuture<>();
1916	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1917	<	f.complete(3);
1918	<	checkIncomplete(h);
1919	<	g.complete(1);
1920	<	checkCompletedWithWrappedCFException(h);
1921	<
1922	<	f = new CompletableFuture<>();
1923	<	g = new CompletableFuture<>();
1924	<	f.complete(3);
1925	<	g.complete(1);
1926	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1927	<	checkCompletedWithWrappedCFException(h);
1928	<	}
1929	<
1930	<	/**
1931	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
1932	<	*/
1933	<	public void testThenAcceptBothAsync4() {
1934	<	CompletableFuture<Integer> f, g;
1935	<	CompletableFuture<Void> h;
1936	<	SubtractAction r;
1937	<
1938	<	f = new CompletableFuture<>();
1939	<	g = new CompletableFuture<>();
1940	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1941	<	assertTrue(f.cancel(true));
1942	<	checkIncomplete(h);
1943	<	g.complete(1);
1944	<	checkCompletedWithWrappedCancellationException(h);
1945	<
1946	<	f = new CompletableFuture<>();
1947	<	g = new CompletableFuture<>();
1948	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1949	<	assertTrue(g.cancel(true));
1950	<	checkIncomplete(h);
1951	<	f.complete(3);
1952	<	checkCompletedWithWrappedCancellationException(h);
1953	<
1954	<	f = new CompletableFuture<>();
1955	<	g = new CompletableFuture<>();
1956	<	f.complete(3);
1957	<	assertTrue(g.cancel(true));
1958	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1959	<	checkCompletedWithWrappedCancellationException(h);
1960	<
1961	<	f = new CompletableFuture<>();
1962	<	g = new CompletableFuture<>();
1963	<	assertTrue(f.cancel(true));
1964	<	g.complete(3);
1965	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1966	<	checkCompletedWithWrappedCancellationException(h);
1967	<	}
1968	<
1969	<	/**
1970	<	* applyToEitherAsync result completes normally after normal
1971	<	* completion of sources
1972	<	*/
1973	<	public void testApplyToEitherAsync() {
1974	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1975	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1976	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1977	<	f.complete(one);
1978	<	checkCompletedNormally(g, two);
1979	<
1980	<	f = new CompletableFuture<>();
1981	<	f.complete(one);
1982	<	f2 = new CompletableFuture<>();
1983	<	g = f.applyToEitherAsync(f2, inc);
1984	<	checkCompletedNormally(g, two);
1985	<	}
1986	<
1987	<	/**
1988	<	* applyToEitherAsync result completes exceptionally after exceptional
1989	<	* completion of source
1990	<	*/
1991	<	public void testApplyToEitherAsync2() {
1992	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1993	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1994	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1995	<	f.completeExceptionally(new CFException());
1996	<	checkCompletedWithWrappedCFException(g);
1997	<
1998	<	f = new CompletableFuture<>();
1999	<	f2 = new CompletableFuture<>();
2000	<	f2.completeExceptionally(new CFException());
2001	<	g = f.applyToEitherAsync(f2, inc);
2002	<	f.complete(one);
2003	<	checkCompletedWithWrappedCFException(g);
2004	<	}
1647	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1648	>	for (ExecutionMode m : ExecutionMode.values())
1649	>	for (boolean fFirst : new boolean[] { true, false })
1650	>	for (boolean failFirst : new boolean[] { true, false })
1651	>	for (Integer v1 : new Integer[] { 1, null })
1652	>	{
1653	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1654	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1655	>	final CFException ex = new CFException();
1656	>	final SubtractFunction r1 = new SubtractFunction(m);
1657	>	final SubtractFunction r2 = new SubtractFunction(m);
1658	>	final SubtractFunction r3 = new SubtractFunction(m);
1659	>
1660	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1661	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1662	>	final Callable<Boolean> complete1 = failFirst ?
1663	>	() -> fst.completeExceptionally(ex) :
1664	>	() -> fst.complete(v1);
1665	>	final Callable<Boolean> complete2 = failFirst ?
1666	>	() -> snd.complete(v1) :
1667	>	() -> snd.completeExceptionally(ex);
1668	>
1669	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1670	>	assertTrue(complete1.call());
1671	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1672	>	checkIncomplete(h1);
1673	>	checkIncomplete(h2);
1674	>	assertTrue(complete2.call());
1675	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1676	>
1677	>	checkCompletedWithWrappedException(h1, ex);
1678	>	checkCompletedWithWrappedException(h2, ex);
1679	>	checkCompletedWithWrappedException(h3, ex);
1680	>	r1.assertNotInvoked();
1681	>	r2.assertNotInvoked();
1682	>	r3.assertNotInvoked();
1683	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1684	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1685	>	}}
1686
1687		/**
1688	<	* applyToEitherAsync result completes exceptionally if action does
1688	>	* thenCombine result completes exceptionally if either source cancelled
1689		*/
1690	<	public void testApplyToEitherAsync3() {
1691	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1692	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1693	<	FailingFunction r = new FailingFunction();
1694	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1695	<	f.complete(one);
1696	<	checkCompletedWithWrappedCFException(g);
1697	<	}
1690	>	public void testThenCombine_sourceCancelled() throws Throwable {
1691	>	for (ExecutionMode m : ExecutionMode.values())
1692	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1693	>	for (boolean fFirst : new boolean[] { true, false })
1694	>	for (boolean failFirst : new boolean[] { true, false })
1695	>	for (Integer v1 : new Integer[] { 1, null })
1696	>	{
1697	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1698	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1699	>	final SubtractFunction r1 = new SubtractFunction(m);
1700	>	final SubtractFunction r2 = new SubtractFunction(m);
1701	>	final SubtractFunction r3 = new SubtractFunction(m);
1702	>
1703	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1704	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1705	>	final Callable<Boolean> complete1 = failFirst ?
1706	>	() -> fst.cancel(mayInterruptIfRunning) :
1707	>	() -> fst.complete(v1);
1708	>	final Callable<Boolean> complete2 = failFirst ?
1709	>	() -> snd.complete(v1) :
1710	>	() -> snd.cancel(mayInterruptIfRunning);
1711	>
1712	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1713	>	assertTrue(complete1.call());
1714	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1715	>	checkIncomplete(h1);
1716	>	checkIncomplete(h2);
1717	>	assertTrue(complete2.call());
1718	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1719	>
1720	>	checkCompletedWithWrappedCancellationException(h1);
1721	>	checkCompletedWithWrappedCancellationException(h2);
1722	>	checkCompletedWithWrappedCancellationException(h3);
1723	>	r1.assertNotInvoked();
1724	>	r2.assertNotInvoked();
1725	>	r3.assertNotInvoked();
1726	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1727	>	checkCancelled(failFirst ? fst : snd);
1728	>	}}
1729
1730		/**
1731	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1731	>	* thenCombine result completes exceptionally if action does
1732		*/
1733	<	public void testApplyToEitherAsync4() {
1734	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1735	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1736	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1737	<	assertTrue(f.cancel(true));
1738	<	checkCompletedWithWrappedCancellationException(g);
1739	<
1740	<	f = new CompletableFuture<>();
1741	<	f2 = new CompletableFuture<>();
1742	<	assertTrue(f2.cancel(true));
1743	<	g = f.applyToEitherAsync(f2, inc);
1744	<	checkCompletedWithWrappedCancellationException(g);
1745	<	}
1733	>	public void testThenCombine_actionFailed() {
1734	>	for (ExecutionMode m : ExecutionMode.values())
1735	>	for (boolean fFirst : new boolean[] { true, false })
1736	>	for (Integer v1 : new Integer[] { 1, null })
1737	>	for (Integer v2 : new Integer[] { 2, null })
1738	>	{
1739	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1740	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1741	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1742	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1743	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1744	>
1745	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1746	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1747	>	final Integer w1 =  fFirst ? v1 : v2;
1748	>	final Integer w2 = !fFirst ? v1 : v2;
1749	>
1750	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1751	>	assertTrue(fst.complete(w1));
1752	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1753	>	assertTrue(snd.complete(w2));
1754	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1755	>
1756	>	checkCompletedWithWrappedCFException(h1);
1757	>	checkCompletedWithWrappedCFException(h2);
1758	>	checkCompletedWithWrappedCFException(h3);
1759	>	r1.assertInvoked();
1760	>	r2.assertInvoked();
1761	>	r3.assertInvoked();
1762	>	checkCompletedNormally(f, v1);
1763	>	checkCompletedNormally(g, v2);
1764	>	}}
1765
1766		/**
1767	<	* acceptEitherAsync result completes normally after normal
1767	>	* thenAcceptBoth result completes normally after normal
1768		* completion of sources
1769		*/
1770	<	public void testAcceptEitherAsync() {
1771	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1772	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1773	<	IncAction r = new IncAction();
1774	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1775	<	f.complete(one);
1776	<	checkCompletedNormally(g, null);
1777	<	assertEquals(r.value, 2);
1778	<
1779	<	r = new IncAction();
1780	<	f = new CompletableFuture<>();
1781	<	f.complete(one);
1782	<	f2 = new CompletableFuture<>();
1783	<	g = f.acceptEitherAsync(f2, r);
1784	<	checkCompletedNormally(g, null);
1785	<	assertEquals(r.value, 2);
1786	<	}
1770	>	public void testThenAcceptBoth_normalCompletion() {
1771	>	for (ExecutionMode m : ExecutionMode.values())
1772	>	for (boolean fFirst : new boolean[] { true, false })
1773	>	for (Integer v1 : new Integer[] { 1, null })
1774	>	for (Integer v2 : new Integer[] { 2, null })
1775	>	{
1776	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1777	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1778	>	final SubtractAction r1 = new SubtractAction(m);
1779	>	final SubtractAction r2 = new SubtractAction(m);
1780	>	final SubtractAction r3 = new SubtractAction(m);
1781	>
1782	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1783	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1784	>	final Integer w1 =  fFirst ? v1 : v2;
1785	>	final Integer w2 = !fFirst ? v1 : v2;
1786	>
1787	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1788	>	assertTrue(fst.complete(w1));
1789	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1790	>	checkIncomplete(h1);
1791	>	checkIncomplete(h2);
1792	>	r1.assertNotInvoked();
1793	>	r2.assertNotInvoked();
1794	>	assertTrue(snd.complete(w2));
1795	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1796	>
1797	>	checkCompletedNormally(h1, null);
1798	>	checkCompletedNormally(h2, null);
1799	>	checkCompletedNormally(h3, null);
1800	>	r1.assertValue(subtract(v1, v2));
1801	>	r2.assertValue(subtract(v1, v2));
1802	>	r3.assertValue(subtract(v1, v2));
1803	>	checkCompletedNormally(f, v1);
1804	>	checkCompletedNormally(g, v2);
1805	>	}}
1806
1807		/**
1808	<	* acceptEitherAsync result completes exceptionally after exceptional
1809	<	* completion of source
1808	>	* thenAcceptBoth result completes exceptionally after exceptional
1809	>	* completion of either source
1810		*/
1811	<	public void testAcceptEitherAsync2() {
1812	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1813	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1814	<	IncAction r = new IncAction();
1815	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1816	<	f.completeExceptionally(new CFException());
1817	<	checkCompletedWithWrappedCFException(g);
1818	<
1819	<	r = new IncAction();
1820	<	f = new CompletableFuture<>();
1821	<	f2 = new CompletableFuture<>();
1822	<	f2.completeExceptionally(new CFException());
1823	<	g = f.acceptEitherAsync(f2, r);
1824	<	f.complete(one);
1825	<	checkCompletedWithWrappedCFException(g);
1826	<	}
1811	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1812	>	for (ExecutionMode m : ExecutionMode.values())
1813	>	for (boolean fFirst : new boolean[] { true, false })
1814	>	for (boolean failFirst : new boolean[] { true, false })
1815	>	for (Integer v1 : new Integer[] { 1, null })
1816	>	{
1817	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1818	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1819	>	final CFException ex = new CFException();
1820	>	final SubtractAction r1 = new SubtractAction(m);
1821	>	final SubtractAction r2 = new SubtractAction(m);
1822	>	final SubtractAction r3 = new SubtractAction(m);
1823	>
1824	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1825	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1826	>	final Callable<Boolean> complete1 = failFirst ?
1827	>	() -> fst.completeExceptionally(ex) :
1828	>	() -> fst.complete(v1);
1829	>	final Callable<Boolean> complete2 = failFirst ?
1830	>	() -> snd.complete(v1) :
1831	>	() -> snd.completeExceptionally(ex);
1832	>
1833	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1834	>	assertTrue(complete1.call());
1835	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1836	>	checkIncomplete(h1);
1837	>	checkIncomplete(h2);
1838	>	assertTrue(complete2.call());
1839	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1840	>
1841	>	checkCompletedWithWrappedException(h1, ex);
1842	>	checkCompletedWithWrappedException(h2, ex);
1843	>	checkCompletedWithWrappedException(h3, ex);
1844	>	r1.assertNotInvoked();
1845	>	r2.assertNotInvoked();
1846	>	r3.assertNotInvoked();
1847	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1848	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1849	>	}}
1850
1851		/**
1852	<	* acceptEitherAsync result completes exceptionally if action does
1852	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1853		*/
1854	<	public void testAcceptEitherAsync3() {
1855	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1856	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1857	<	FailingConsumer r = new FailingConsumer();
1858	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1859	<	f.complete(one);
1860	<	checkCompletedWithWrappedCFException(g);
1861	<	}
1854	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1855	>	for (ExecutionMode m : ExecutionMode.values())
1856	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1857	>	for (boolean fFirst : new boolean[] { true, false })
1858	>	for (boolean failFirst : new boolean[] { true, false })
1859	>	for (Integer v1 : new Integer[] { 1, null })
1860	>	{
1861	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1862	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1863	>	final SubtractAction r1 = new SubtractAction(m);
1864	>	final SubtractAction r2 = new SubtractAction(m);
1865	>	final SubtractAction r3 = new SubtractAction(m);
1866	>
1867	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1868	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1869	>	final Callable<Boolean> complete1 = failFirst ?
1870	>	() -> fst.cancel(mayInterruptIfRunning) :
1871	>	() -> fst.complete(v1);
1872	>	final Callable<Boolean> complete2 = failFirst ?
1873	>	() -> snd.complete(v1) :
1874	>	() -> snd.cancel(mayInterruptIfRunning);
1875	>
1876	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1877	>	assertTrue(complete1.call());
1878	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1879	>	checkIncomplete(h1);
1880	>	checkIncomplete(h2);
1881	>	assertTrue(complete2.call());
1882	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1883	>
1884	>	checkCompletedWithWrappedCancellationException(h1);
1885	>	checkCompletedWithWrappedCancellationException(h2);
1886	>	checkCompletedWithWrappedCancellationException(h3);
1887	>	r1.assertNotInvoked();
1888	>	r2.assertNotInvoked();
1889	>	r3.assertNotInvoked();
1890	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1891	>	checkCancelled(failFirst ? fst : snd);
1892	>	}}
1893
1894		/**
1895	<	* acceptEitherAsync result completes exceptionally if either
2092	<	* source cancelled
1895	>	* thenAcceptBoth result completes exceptionally if action does
1896		*/
1897	<	public void testAcceptEitherAsync4() {
1898	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1899	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1900	<	IncAction r = new IncAction();
1901	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1902	<	assertTrue(f.cancel(true));
1903	<	checkCompletedWithWrappedCancellationException(g);
1904	<
1905	<	r = new IncAction();
1906	<	f = new CompletableFuture<>();
1907	<	f2 = new CompletableFuture<>();
1908	<	assertTrue(f2.cancel(true));
1909	<	g = f.acceptEitherAsync(f2, r);
1910	<	checkCompletedWithWrappedCancellationException(g);
1911	<	}
1897	>	public void testThenAcceptBoth_actionFailed() {
1898	>	for (ExecutionMode m : ExecutionMode.values())
1899	>	for (boolean fFirst : new boolean[] { true, false })
1900	>	for (Integer v1 : new Integer[] { 1, null })
1901	>	for (Integer v2 : new Integer[] { 2, null })
1902	>	{
1903	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1904	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1905	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1906	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1907	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1908	>
1909	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1910	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1911	>	final Integer w1 =  fFirst ? v1 : v2;
1912	>	final Integer w2 = !fFirst ? v1 : v2;
1913	>
1914	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1915	>	assertTrue(fst.complete(w1));
1916	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1917	>	assertTrue(snd.complete(w2));
1918	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1919	>
1920	>	checkCompletedWithWrappedCFException(h1);
1921	>	checkCompletedWithWrappedCFException(h2);
1922	>	checkCompletedWithWrappedCFException(h3);
1923	>	r1.assertInvoked();
1924	>	r2.assertInvoked();
1925	>	r3.assertInvoked();
1926	>	checkCompletedNormally(f, v1);
1927	>	checkCompletedNormally(g, v2);
1928	>	}}
1929
1930		/**
1931	<	* runAfterEitherAsync result completes normally after normal
1931	>	* runAfterBoth result completes normally after normal
1932		* completion of sources
1933		*/
1934	<	public void testRunAfterEitherAsync() {
1935	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1936	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1937	<	Noop r = new Noop();
1938	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1939	<	f.complete(one);
1940	<	checkCompletedNormally(g, null);
1941	<	assertTrue(r.ran);
1942	<
1943	<	r = new Noop();
1944	<	f = new CompletableFuture<>();
1945	<	f.complete(one);
1946	<	f2 = new CompletableFuture<>();
1947	<	g = f.runAfterEitherAsync(f2, r);
1948	<	checkCompletedNormally(g, null);
1949	<	assertTrue(r.ran);
1950	<	}
1934	>	public void testRunAfterBoth_normalCompletion() {
1935	>	for (ExecutionMode m : ExecutionMode.values())
1936	>	for (boolean fFirst : new boolean[] { true, false })
1937	>	for (Integer v1 : new Integer[] { 1, null })
1938	>	for (Integer v2 : new Integer[] { 2, null })
1939	>	{
1940	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1941	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1942	>	final Noop r1 = new Noop(m);
1943	>	final Noop r2 = new Noop(m);
1944	>	final Noop r3 = new Noop(m);
1945	>
1946	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1947	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1948	>	final Integer w1 =  fFirst ? v1 : v2;
1949	>	final Integer w2 = !fFirst ? v1 : v2;
1950	>
1951	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1952	>	assertTrue(fst.complete(w1));
1953	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1954	>	checkIncomplete(h1);
1955	>	checkIncomplete(h2);
1956	>	r1.assertNotInvoked();
1957	>	r2.assertNotInvoked();
1958	>	assertTrue(snd.complete(w2));
1959	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1960	>
1961	>	checkCompletedNormally(h1, null);
1962	>	checkCompletedNormally(h2, null);
1963	>	checkCompletedNormally(h3, null);
1964	>	r1.assertInvoked();
1965	>	r2.assertInvoked();
1966	>	r3.assertInvoked();
1967	>	checkCompletedNormally(f, v1);
1968	>	checkCompletedNormally(g, v2);
1969	>	}}
1970
1971		/**
1972	<	* runAfterEitherAsync result completes exceptionally after exceptional
1973	<	* completion of source
1972	>	* runAfterBoth result completes exceptionally after exceptional
1973	>	* completion of either source
1974		*/
1975	<	public void testRunAfterEitherAsync2() {
1976	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1977	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1978	<	Noop r = new Noop();
1979	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1980	<	f.completeExceptionally(new CFException());
1981	<	checkCompletedWithWrappedCFException(g);
1982	<
1983	<	r = new Noop();
1984	<	f = new CompletableFuture<>();
1985	<	f2 = new CompletableFuture<>();
1986	<	f2.completeExceptionally(new CFException());
1987	<	g = f.runAfterEitherAsync(f2, r);
1988	<	f.complete(one);
1989	<	checkCompletedWithWrappedCFException(g);
1990	<	}
1975	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1976	>	for (ExecutionMode m : ExecutionMode.values())
1977	>	for (boolean fFirst : new boolean[] { true, false })
1978	>	for (boolean failFirst : new boolean[] { true, false })
1979	>	for (Integer v1 : new Integer[] { 1, null })
1980	>	{
1981	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1982	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1983	>	final CFException ex = new CFException();
1984	>	final Noop r1 = new Noop(m);
1985	>	final Noop r2 = new Noop(m);
1986	>	final Noop r3 = new Noop(m);
1987	>
1988	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1989	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1990	>	final Callable<Boolean> complete1 = failFirst ?
1991	>	() -> fst.completeExceptionally(ex) :
1992	>	() -> fst.complete(v1);
1993	>	final Callable<Boolean> complete2 = failFirst ?
1994	>	() -> snd.complete(v1) :
1995	>	() -> snd.completeExceptionally(ex);
1996	>
1997	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1998	>	assertTrue(complete1.call());
1999	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2000	>	checkIncomplete(h1);
2001	>	checkIncomplete(h2);
2002	>	assertTrue(complete2.call());
2003	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2004	>
2005	>	checkCompletedWithWrappedException(h1, ex);
2006	>	checkCompletedWithWrappedException(h2, ex);
2007	>	checkCompletedWithWrappedException(h3, ex);
2008	>	r1.assertNotInvoked();
2009	>	r2.assertNotInvoked();
2010	>	r3.assertNotInvoked();
2011	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2012	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2013	>	}}
2014
2015		/**
2016	<	* runAfterEitherAsync result completes exceptionally if action does
2016	>	* runAfterBoth result completes exceptionally if either source cancelled
2017		*/
2018	<	public void testRunAfterEitherAsync3() {
2019	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2020	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2021	<	FailingNoop r = new FailingNoop();
2022	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2023	<	f.complete(one);
2024	<	checkCompletedWithWrappedCFException(g);
2025	<	}
2018	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2019	>	for (ExecutionMode m : ExecutionMode.values())
2020	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2021	>	for (boolean fFirst : new boolean[] { true, false })
2022	>	for (boolean failFirst : new boolean[] { true, false })
2023	>	for (Integer v1 : new Integer[] { 1, null })
2024	>	{
2025	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2026	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2027	>	final Noop r1 = new Noop(m);
2028	>	final Noop r2 = new Noop(m);
2029	>	final Noop r3 = new Noop(m);
2030	>
2031	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2032	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2033	>	final Callable<Boolean> complete1 = failFirst ?
2034	>	() -> fst.cancel(mayInterruptIfRunning) :
2035	>	() -> fst.complete(v1);
2036	>	final Callable<Boolean> complete2 = failFirst ?
2037	>	() -> snd.complete(v1) :
2038	>	() -> snd.cancel(mayInterruptIfRunning);
2039	>
2040	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2041	>	assertTrue(complete1.call());
2042	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2043	>	checkIncomplete(h1);
2044	>	checkIncomplete(h2);
2045	>	assertTrue(complete2.call());
2046	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2047	>
2048	>	checkCompletedWithWrappedCancellationException(h1);
2049	>	checkCompletedWithWrappedCancellationException(h2);
2050	>	checkCompletedWithWrappedCancellationException(h3);
2051	>	r1.assertNotInvoked();
2052	>	r2.assertNotInvoked();
2053	>	r3.assertNotInvoked();
2054	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2055	>	checkCancelled(failFirst ? fst : snd);
2056	>	}}
2057
2058		/**
2059	<	* runAfterEitherAsync result completes exceptionally if either
2167	<	* source cancelled
2059	>	* runAfterBoth result completes exceptionally if action does
2060		*/
2061	<	public void testRunAfterEitherAsync4() {
2062	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2063	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2064	<	Noop r = new Noop();
2065	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2066	<	assertTrue(f.cancel(true));
2067	<	checkCompletedWithWrappedCancellationException(g);
2068	<
2069	<	r = new Noop();
2070	<	f = new CompletableFuture<>();
2071	<	f2 = new CompletableFuture<>();
2072	<	assertTrue(f2.cancel(true));
2073	<	g = f.runAfterEitherAsync(f2, r);
2074	<	checkCompletedWithWrappedCancellationException(g);
2075	<	}
2061	>	public void testRunAfterBoth_actionFailed() {
2062	>	for (ExecutionMode m : ExecutionMode.values())
2063	>	for (boolean fFirst : new boolean[] { true, false })
2064	>	for (Integer v1 : new Integer[] { 1, null })
2065	>	for (Integer v2 : new Integer[] { 2, null })
2066	>	{
2067	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2068	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2069	>	final FailingRunnable r1 = new FailingRunnable(m);
2070	>	final FailingRunnable r2 = new FailingRunnable(m);
2071	>	final FailingRunnable r3 = new FailingRunnable(m);
2072	>
2073	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2074	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2075	>	final Integer w1 =  fFirst ? v1 : v2;
2076	>	final Integer w2 = !fFirst ? v1 : v2;
2077	>
2078	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2079	>	assertTrue(fst.complete(w1));
2080	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2081	>	assertTrue(snd.complete(w2));
2082	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2083	>
2084	>	checkCompletedWithWrappedCFException(h1);
2085	>	checkCompletedWithWrappedCFException(h2);
2086	>	checkCompletedWithWrappedCFException(h3);
2087	>	r1.assertInvoked();
2088	>	r2.assertInvoked();
2089	>	r3.assertInvoked();
2090	>	checkCompletedNormally(f, v1);
2091	>	checkCompletedNormally(g, v2);
2092	>	}}
2093
2094		/**
2095	<	* thenComposeAsync result completes normally after normal
2096	<	* completion of source
2095	>	* applyToEither result completes normally after normal completion
2096	>	* of either source
2097		*/
2098	<	public void testThenComposeAsync() {
2099	<	CompletableFuture<Integer> f, g;
2100	<	CompletableFutureInc r;
2101	<
2102	<	f = new CompletableFuture<>();
2103	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2104	<	f.complete(one);
2105	<	checkCompletedNormally(g, two);
2106	<
2198	<	f = new CompletableFuture<>();
2199	<	f.complete(one);
2200	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2201	<	checkCompletedNormally(g, two);
2202	<	}
2098	>	public void testApplyToEither_normalCompletion() {
2099	>	for (ExecutionMode m : ExecutionMode.values())
2100	>	for (Integer v1 : new Integer[] { 1, null })
2101	>	for (Integer v2 : new Integer[] { 2, null })
2102	>	{
2103	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2104	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2105	>	final IncFunction[] rs = new IncFunction[6];
2106	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2107
2108	<	/**
2109	<	* thenComposeAsync result completes exceptionally after
2110	<	* exceptional completion of source
2111	<	*/
2112	<	public void testThenComposeAsync2() {
2113	<	CompletableFuture<Integer> f, g;
2114	<	CompletableFutureInc r;
2108	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2109	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2110	>	checkIncomplete(h0);
2111	>	checkIncomplete(h1);
2112	>	rs[0].assertNotInvoked();
2113	>	rs[1].assertNotInvoked();
2114	>	f.complete(v1);
2115	>	checkCompletedNormally(h0, inc(v1));
2116	>	checkCompletedNormally(h1, inc(v1));
2117	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2118	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2119	>	checkCompletedNormally(h2, inc(v1));
2120	>	checkCompletedNormally(h3, inc(v1));
2121	>	g.complete(v2);
2122
2123	<	f = new CompletableFuture<>();
2124	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2125	<	f.completeExceptionally(new CFException());
2126	<	checkCompletedWithWrappedCFException(g);
2127	<	assertFalse(r.ran);
2123	>	// unspecified behavior - both source completions available
2124	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2125	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2126	>	rs[4].assertValue(h4.join());
2127	>	rs[5].assertValue(h5.join());
2128	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2129	>	Objects.equals(inc(v2), h4.join()));
2130	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2131	>	Objects.equals(inc(v2), h5.join()));
2132
2133	<	f = new CompletableFuture<>();
2134	<	f.completeExceptionally(new CFException());
2135	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2136	<	checkCompletedWithWrappedCFException(g);
2137	<	assertFalse(r.ran);
2138	<	}
2133	>	checkCompletedNormally(f, v1);
2134	>	checkCompletedNormally(g, v2);
2135	>	checkCompletedNormally(h0, inc(v1));
2136	>	checkCompletedNormally(h1, inc(v1));
2137	>	checkCompletedNormally(h2, inc(v1));
2138	>	checkCompletedNormally(h3, inc(v1));
2139	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2140	>	}}
2141
2142		/**
2143	<	* thenComposeAsync result completes exceptionally if action does
2143	>	* applyToEither result completes exceptionally after exceptional
2144	>	* completion of either source
2145		*/
2146	<	public void testThenComposeAsync3() {
2147	<	CompletableFuture<Integer> f, g;
2148	<	FailingCompletableFutureFunction r;
2146	>	public void testApplyToEither_exceptionalCompletion() {
2147	>	for (ExecutionMode m : ExecutionMode.values())
2148	>	for (Integer v1 : new Integer[] { 1, null })
2149	>	{
2150	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2151	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2152	>	final CFException ex = new CFException();
2153	>	final IncFunction[] rs = new IncFunction[6];
2154	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2155
2156	<	f = new CompletableFuture<>();
2157	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2158	<	f.complete(one);
2159	<	checkCompletedWithWrappedCFException(g);
2156	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2157	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2158	>	checkIncomplete(h0);
2159	>	checkIncomplete(h1);
2160	>	rs[0].assertNotInvoked();
2161	>	rs[1].assertNotInvoked();
2162	>	f.completeExceptionally(ex);
2163	>	checkCompletedWithWrappedException(h0, ex);
2164	>	checkCompletedWithWrappedException(h1, ex);
2165	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2166	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2167	>	checkCompletedWithWrappedException(h2, ex);
2168	>	checkCompletedWithWrappedException(h3, ex);
2169	>	g.complete(v1);
2170
2171	<	f = new CompletableFuture<>();
2172	<	f.complete(one);
2173	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2174	<	checkCompletedWithWrappedCFException(g);
2175	<	}
2171	>	// unspecified behavior - both source completions available
2172	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2173	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2174	>	try {
2175	>	assertEquals(inc(v1), h4.join());
2176	>	rs[4].assertValue(inc(v1));
2177	>	} catch (CompletionException ok) {
2178	>	checkCompletedWithWrappedException(h4, ex);
2179	>	rs[4].assertNotInvoked();
2180	>	}
2181	>	try {
2182	>	assertEquals(inc(v1), h5.join());
2183	>	rs[5].assertValue(inc(v1));
2184	>	} catch (CompletionException ok) {
2185	>	checkCompletedWithWrappedException(h5, ex);
2186	>	rs[5].assertNotInvoked();
2187	>	}
2188
2189	<	/**
2190	<	* thenComposeAsync result completes exceptionally if source cancelled
2191	<	*/
2192	<	public void testThenComposeAsync4() {
2193	<	CompletableFuture<Integer> f, g;
2194	<	CompletableFutureInc r;
2189	>	checkCompletedExceptionally(f, ex);
2190	>	checkCompletedNormally(g, v1);
2191	>	checkCompletedWithWrappedException(h0, ex);
2192	>	checkCompletedWithWrappedException(h1, ex);
2193	>	checkCompletedWithWrappedException(h2, ex);
2194	>	checkCompletedWithWrappedException(h3, ex);
2195	>	checkCompletedWithWrappedException(h4, ex);
2196	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2197	>	}}
2198
2199	<	f = new CompletableFuture<>();
2200	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2201	<	assertTrue(f.cancel(true));
2202	<	checkCompletedWithWrappedCancellationException(g);
2199	>	public void testApplyToEither_exceptionalCompletion2() {
2200	>	for (ExecutionMode m : ExecutionMode.values())
2201	>	for (boolean fFirst : new boolean[] { true, false })
2202	>	for (Integer v1 : new Integer[] { 1, null })
2203	>	{
2204	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2205	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2206	>	final CFException ex = new CFException();
2207	>	final IncFunction[] rs = new IncFunction[6];
2208	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2209
2210	<	f = new CompletableFuture<>();
2211	<	assertTrue(f.cancel(true));
2212	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2213	<	checkCompletedWithWrappedCancellationException(g);
2214	<	}
2210	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2211	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2212	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2213	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2214	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2215	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2216	>
2217	>	// unspecified behavior - both source completions available
2218	>	try {
2219	>	assertEquals(inc(v1), h0.join());
2220	>	rs[0].assertValue(inc(v1));
2221	>	} catch (CompletionException ok) {
2222	>	checkCompletedWithWrappedException(h0, ex);
2223	>	rs[0].assertNotInvoked();
2224	>	}
2225	>	try {
2226	>	assertEquals(inc(v1), h1.join());
2227	>	rs[1].assertValue(inc(v1));
2228	>	} catch (CompletionException ok) {
2229	>	checkCompletedWithWrappedException(h1, ex);
2230	>	rs[1].assertNotInvoked();
2231	>	}
2232	>	try {
2233	>	assertEquals(inc(v1), h2.join());
2234	>	rs[2].assertValue(inc(v1));
2235	>	} catch (CompletionException ok) {
2236	>	checkCompletedWithWrappedException(h2, ex);
2237	>	rs[2].assertNotInvoked();
2238	>	}
2239	>	try {
2240	>	assertEquals(inc(v1), h3.join());
2241	>	rs[3].assertValue(inc(v1));
2242	>	} catch (CompletionException ok) {
2243	>	checkCompletedWithWrappedException(h3, ex);
2244	>	rs[3].assertNotInvoked();
2245	>	}
2246
2247	<	// async with explicit executors
2247	>	checkCompletedNormally(f, v1);
2248	>	checkCompletedExceptionally(g, ex);
2249	>	}}
2250
2251		/**
2252	<	* thenRunAsync result completes normally after normal completion of source
2252	>	* applyToEither result completes exceptionally if either source cancelled
2253		*/
2254	<	public void testThenRunAsyncE() {
2255	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2256	<	Noop r = new Noop();
2257	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2258	<	f.complete(null);
2259	<	checkCompletedNormally(g, null);
2260	<
2261	<	// reordered version
2262	<	f = new CompletableFuture<>();
2275	<	f.complete(null);
2276	<	r = new Noop();
2277	<	g = f.thenRunAsync(r, new ThreadExecutor());
2278	<	checkCompletedNormally(g, null);
2279	<	}
2254	>	public void testApplyToEither_sourceCancelled() {
2255	>	for (ExecutionMode m : ExecutionMode.values())
2256	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2257	>	for (Integer v1 : new Integer[] { 1, null })
2258	>	{
2259	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2260	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2261	>	final IncFunction[] rs = new IncFunction[6];
2262	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2263
2264	<	/**
2265	<	* thenRunAsync result completes exceptionally after exceptional
2266	<	* completion of source
2267	<	*/
2268	<	public void testThenRunAsync2E() {
2269	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2270	<	Noop r = new Noop();
2271	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2272	<	f.completeExceptionally(new CFException());
2273	<	try {
2274	<	g.join();
2275	<	shouldThrow();
2276	<	} catch (CompletionException success) {}
2277	<	checkCompletedWithWrappedCFException(g);
2295	<	}
2264	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2265	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2266	>	checkIncomplete(h0);
2267	>	checkIncomplete(h1);
2268	>	rs[0].assertNotInvoked();
2269	>	rs[1].assertNotInvoked();
2270	>	f.cancel(mayInterruptIfRunning);
2271	>	checkCompletedWithWrappedCancellationException(h0);
2272	>	checkCompletedWithWrappedCancellationException(h1);
2273	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2274	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2275	>	checkCompletedWithWrappedCancellationException(h2);
2276	>	checkCompletedWithWrappedCancellationException(h3);
2277	>	g.complete(v1);
2278
2279	<	/**
2280	<	* thenRunAsync result completes exceptionally if action does
2281	<	*/
2282	<	public void testThenRunAsync3E() {
2283	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2284	<	FailingNoop r = new FailingNoop();
2285	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2286	<	f.complete(null);
2287	<	checkCompletedWithWrappedCFException(g);
2288	<	}
2279	>	// unspecified behavior - both source completions available
2280	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2281	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2282	>	try {
2283	>	assertEquals(inc(v1), h4.join());
2284	>	rs[4].assertValue(inc(v1));
2285	>	} catch (CompletionException ok) {
2286	>	checkCompletedWithWrappedCancellationException(h4);
2287	>	rs[4].assertNotInvoked();
2288	>	}
2289	>	try {
2290	>	assertEquals(inc(v1), h5.join());
2291	>	rs[5].assertValue(inc(v1));
2292	>	} catch (CompletionException ok) {
2293	>	checkCompletedWithWrappedCancellationException(h5);
2294	>	rs[5].assertNotInvoked();
2295	>	}
2296
2297	<	/**
2298	<	* thenRunAsync result completes exceptionally if source cancelled
2299	<	*/
2300	<	public void testThenRunAsync4E() {
2301	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2302	<	Noop r = new Noop();
2303	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2304	<	assertTrue(f.cancel(true));
2316	<	checkCompletedWithWrappedCancellationException(g);
2317	<	}
2297	>	checkCancelled(f);
2298	>	checkCompletedNormally(g, v1);
2299	>	checkCompletedWithWrappedCancellationException(h0);
2300	>	checkCompletedWithWrappedCancellationException(h1);
2301	>	checkCompletedWithWrappedCancellationException(h2);
2302	>	checkCompletedWithWrappedCancellationException(h3);
2303	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2304	>	}}
2305
2306	<	/**
2307	<	* thenApplyAsync result completes normally after normal completion of source
2308	<	*/
2309	<	public void testThenApplyAsyncE() {
2310	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2311	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2312	<	f.complete(one);
2313	<	checkCompletedNormally(g, two);
2314	<	}
2306	>	public void testApplyToEither_sourceCancelled2() {
2307	>	for (ExecutionMode m : ExecutionMode.values())
2308	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2309	>	for (boolean fFirst : new boolean[] { true, false })
2310	>	for (Integer v1 : new Integer[] { 1, null })
2311	>	{
2312	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2313	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2314	>	final IncFunction[] rs = new IncFunction[6];
2315	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2316
2317	<	/**
2318	<	* thenApplyAsync result completes exceptionally after exceptional
2319	<	* completion of source
2320	<	*/
2321	<	public void testThenApplyAsync2E() {
2322	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2323	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2324	<	f.completeExceptionally(new CFException());
2325	<	checkCompletedWithWrappedCFException(g);
2326	<	}
2317	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2318	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2319	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2320	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2321	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2322	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2323	>
2324	>	// unspecified behavior - both source completions available
2325	>	try {
2326	>	assertEquals(inc(v1), h0.join());
2327	>	rs[0].assertValue(inc(v1));
2328	>	} catch (CompletionException ok) {
2329	>	checkCompletedWithWrappedCancellationException(h0);
2330	>	rs[0].assertNotInvoked();
2331	>	}
2332	>	try {
2333	>	assertEquals(inc(v1), h1.join());
2334	>	rs[1].assertValue(inc(v1));
2335	>	} catch (CompletionException ok) {
2336	>	checkCompletedWithWrappedCancellationException(h1);
2337	>	rs[1].assertNotInvoked();
2338	>	}
2339	>	try {
2340	>	assertEquals(inc(v1), h2.join());
2341	>	rs[2].assertValue(inc(v1));
2342	>	} catch (CompletionException ok) {
2343	>	checkCompletedWithWrappedCancellationException(h2);
2344	>	rs[2].assertNotInvoked();
2345	>	}
2346	>	try {
2347	>	assertEquals(inc(v1), h3.join());
2348	>	rs[3].assertValue(inc(v1));
2349	>	} catch (CompletionException ok) {
2350	>	checkCompletedWithWrappedCancellationException(h3);
2351	>	rs[3].assertNotInvoked();
2352	>	}
2353
2354	<	/**
2355	<	* thenApplyAsync result completes exceptionally if action does
2356	<	*/
2343	<	public void testThenApplyAsync3E() {
2344	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2345	<	FailingFunction r = new FailingFunction();
2346	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2347	<	f.complete(null);
2348	<	checkCompletedWithWrappedCFException(g);
2349	<	}
2354	>	checkCompletedNormally(f, v1);
2355	>	checkCancelled(g);
2356	>	}}
2357
2358		/**
2359	<	* thenApplyAsync result completes exceptionally if source cancelled
2359	>	* applyToEither result completes exceptionally if action does
2360		*/
2361	<	public void testThenApplyAsync4E() {
2362	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2363	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2364	<	assertTrue(f.cancel(true));
2365	<	checkCompletedWithWrappedCancellationException(g);
2366	<	}
2361	>	public void testApplyToEither_actionFailed() {
2362	>	for (ExecutionMode m : ExecutionMode.values())
2363	>	for (Integer v1 : new Integer[] { 1, null })
2364	>	for (Integer v2 : new Integer[] { 2, null })
2365	>	{
2366	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2367	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2368	>	final FailingFunction[] rs = new FailingFunction[6];
2369	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2370
2371	<	/**
2372	<	* thenAcceptAsync result completes normally after normal
2373	<	* completion of source
2374	<	*/
2375	<	public void testThenAcceptAsyncE() {
2376	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2377	<	IncAction r = new IncAction();
2378	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2379	<	f.complete(one);
2380	<	checkCompletedNormally(g, null);
2371	<	assertEquals(r.value, 2);
2372	<	}
2371	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2372	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2373	>	f.complete(v1);
2374	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2375	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2376	>	checkCompletedWithWrappedCFException(h0);
2377	>	checkCompletedWithWrappedCFException(h1);
2378	>	checkCompletedWithWrappedCFException(h2);
2379	>	checkCompletedWithWrappedCFException(h3);
2380	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2381
2382	<	/**
2375	<	* thenAcceptAsync result completes exceptionally after exceptional
2376	<	* completion of source
2377	<	*/
2378	<	public void testThenAcceptAsync2E() {
2379	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2380	<	IncAction r = new IncAction();
2381	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2382	<	f.completeExceptionally(new CFException());
2383	<	checkCompletedWithWrappedCFException(g);
2384	<	}
2382	>	g.complete(v2);
2383
2384	<	/**
2385	<	* thenAcceptAsync result completes exceptionally if action does
2386	<	*/
2387	<	public void testThenAcceptAsync3E() {
2388	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2389	<	FailingConsumer r = new FailingConsumer();
2390	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2391	<	f.complete(null);
2392	<	checkCompletedWithWrappedCFException(g);
2393	<	}
2384	>	// unspecified behavior - both source completions available
2385	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2386	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2387	>
2388	>	checkCompletedWithWrappedCFException(h4);
2389	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2390	>	Objects.equals(v2, rs[4].value));
2391	>	checkCompletedWithWrappedCFException(h5);
2392	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2393	>	Objects.equals(v2, rs[5].value));
2394
2395	<	/**
2396	<	* thenAcceptAsync result completes exceptionally if source cancelled
2397	<	*/
2400	<	public void testThenAcceptAsync4E() {
2401	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2402	<	IncAction r = new IncAction();
2403	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2404	<	assertTrue(f.cancel(true));
2405	<	checkCompletedWithWrappedCancellationException(g);
2406	<	}
2395	>	checkCompletedNormally(f, v1);
2396	>	checkCompletedNormally(g, v2);
2397	>	}}
2398
2399		/**
2400	<	* thenCombineAsync result completes normally after normal
2401	<	* completion of sources
2400	>	* acceptEither result completes normally after normal completion
2401	>	* of either source
2402		*/
2403	<	public void testThenCombineAsyncE() {
2404	<	CompletableFuture<Integer> f, g, h;
2405	<	ThreadExecutor e = new ThreadExecutor();
2406	<	int count = 0;
2403	>	public void testAcceptEither_normalCompletion() {
2404	>	for (ExecutionMode m : ExecutionMode.values())
2405	>	for (Integer v1 : new Integer[] { 1, null })
2406	>	for (Integer v2 : new Integer[] { 2, null })
2407	>	{
2408	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2409	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2410	>	final NoopConsumer[] rs = new NoopConsumer[6];
2411	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2412
2413	<	f = new CompletableFuture<>();
2414	<	g = new CompletableFuture<>();
2415	<	h = f.thenCombineAsync(g, subtract, e);
2416	<	f.complete(3);
2417	<	checkIncomplete(h);
2418	<	g.complete(1);
2419	<	checkCompletedNormally(h, 2);
2420	<	assertEquals(++count, e.count.get());
2413	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2414	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2415	>	checkIncomplete(h0);
2416	>	checkIncomplete(h1);
2417	>	rs[0].assertNotInvoked();
2418	>	rs[1].assertNotInvoked();
2419	>	f.complete(v1);
2420	>	checkCompletedNormally(h0, null);
2421	>	checkCompletedNormally(h1, null);
2422	>	rs[0].assertValue(v1);
2423	>	rs[1].assertValue(v1);
2424	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2425	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2426	>	checkCompletedNormally(h2, null);
2427	>	checkCompletedNormally(h3, null);
2428	>	rs[2].assertValue(v1);
2429	>	rs[3].assertValue(v1);
2430	>	g.complete(v2);
2431
2432	<	f = new CompletableFuture<>();
2433	<	g = new CompletableFuture<>();
2434	<	h = f.thenCombineAsync(g, subtract, e);
2435	<	g.complete(1);
2436	<	checkIncomplete(h);
2437	<	f.complete(3);
2438	<	checkCompletedNormally(h, 2);
2439	<	assertEquals(++count, e.count.get());
2432	>	// unspecified behavior - both source completions available
2433	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2434	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2435	>	checkCompletedNormally(h4, null);
2436	>	checkCompletedNormally(h5, null);
2437	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2438	>	Objects.equals(v2, rs[4].value));
2439	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2440	>	Objects.equals(v2, rs[5].value));
2441
2442	<	f = new CompletableFuture<>();
2443	<	g = new CompletableFuture<>();
2444	<	g.complete(1);
2445	<	f.complete(3);
2446	<	h = f.thenCombineAsync(g, subtract, e);
2447	<	checkCompletedNormally(h, 2);
2448	<	assertEquals(++count, e.count.get());
2449	<	}
2442	>	checkCompletedNormally(f, v1);
2443	>	checkCompletedNormally(g, v2);
2444	>	checkCompletedNormally(h0, null);
2445	>	checkCompletedNormally(h1, null);
2446	>	checkCompletedNormally(h2, null);
2447	>	checkCompletedNormally(h3, null);
2448	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2449	>	}}
2450
2451		/**
2452	<	* thenCombineAsync result completes exceptionally after exceptional
2452	>	* acceptEither result completes exceptionally after exceptional
2453		* completion of either source
2454		*/
2455	<	public void testThenCombineAsync2E() {
2456	<	CompletableFuture<Integer> f, g, h;
2457	<	ThreadExecutor e = new ThreadExecutor();
2458	<	int count = 0;
2459	<
2460	<	f = new CompletableFuture<>();
2461	<	g = new CompletableFuture<>();
2462	<	h = f.thenCombineAsync(g, subtract, e);
2463	<	f.completeExceptionally(new CFException());
2457	<	checkIncomplete(h);
2458	<	g.complete(1);
2459	<	checkCompletedWithWrappedCFException(h);
2460	<
2461	<	f = new CompletableFuture<>();
2462	<	g = new CompletableFuture<>();
2463	<	h = f.thenCombineAsync(g, subtract, e);
2464	<	g.completeExceptionally(new CFException());
2465	<	checkIncomplete(h);
2466	<	f.complete(3);
2467	<	checkCompletedWithWrappedCFException(h);
2468	<
2469	<	f = new CompletableFuture<>();
2470	<	g = new CompletableFuture<>();
2471	<	g.completeExceptionally(new CFException());
2472	<	h = f.thenCombineAsync(g, subtract, e);
2473	<	checkIncomplete(h);
2474	<	f.complete(3);
2475	<	checkCompletedWithWrappedCFException(h);
2476	<
2477	<	assertEquals(0, e.count.get());
2478	<	}
2455	>	public void testAcceptEither_exceptionalCompletion() {
2456	>	for (ExecutionMode m : ExecutionMode.values())
2457	>	for (Integer v1 : new Integer[] { 1, null })
2458	>	{
2459	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2460	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2461	>	final CFException ex = new CFException();
2462	>	final NoopConsumer[] rs = new NoopConsumer[6];
2463	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2464
2465	<	/**
2466	<	* thenCombineAsync result completes exceptionally if action does
2467	<	*/
2468	<	public void testThenCombineAsync3E() {
2469	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2470	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2471	<	FailingBiFunction r = new FailingBiFunction();
2472	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2473	<	f.complete(one);
2474	<	checkIncomplete(g);
2475	<	assertFalse(r.ran);
2476	<	f2.complete(two);
2477	<	checkCompletedWithWrappedCFException(g);
2493	<	assertTrue(r.ran);
2494	<	}
2465	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2466	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2467	>	checkIncomplete(h0);
2468	>	checkIncomplete(h1);
2469	>	rs[0].assertNotInvoked();
2470	>	rs[1].assertNotInvoked();
2471	>	f.completeExceptionally(ex);
2472	>	checkCompletedWithWrappedException(h0, ex);
2473	>	checkCompletedWithWrappedException(h1, ex);
2474	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2475	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2476	>	checkCompletedWithWrappedException(h2, ex);
2477	>	checkCompletedWithWrappedException(h3, ex);
2478
2479	<	/**
2497	<	* thenCombineAsync result completes exceptionally if either source cancelled
2498	<	*/
2499	<	public void testThenCombineAsync4E() {
2500	<	CompletableFuture<Integer> f, g, h;
2501	<	ThreadExecutor e = new ThreadExecutor();
2479	>	g.complete(v1);
2480
2481	<	f = new CompletableFuture<>();
2482	<	g = new CompletableFuture<>();
2483	<	h = f.thenCombineAsync(g, subtract, e);
2484	<	assertTrue(f.cancel(true));
2485	<	checkIncomplete(h);
2486	<	g.complete(1);
2487	<	checkCompletedWithWrappedCancellationException(h);
2481	>	// unspecified behavior - both source completions available
2482	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2483	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2484	>	try {
2485	>	assertNull(h4.join());
2486	>	rs[4].assertValue(v1);
2487	>	} catch (CompletionException ok) {
2488	>	checkCompletedWithWrappedException(h4, ex);
2489	>	rs[4].assertNotInvoked();
2490	>	}
2491	>	try {
2492	>	assertNull(h5.join());
2493	>	rs[5].assertValue(v1);
2494	>	} catch (CompletionException ok) {
2495	>	checkCompletedWithWrappedException(h5, ex);
2496	>	rs[5].assertNotInvoked();
2497	>	}
2498
2499	<	f = new CompletableFuture<>();
2500	<	g = new CompletableFuture<>();
2501	<	h = f.thenCombineAsync(g, subtract, e);
2502	<	assertTrue(g.cancel(true));
2503	<	checkIncomplete(h);
2504	<	f.complete(3);
2505	<	checkCompletedWithWrappedCancellationException(h);
2499	>	checkCompletedExceptionally(f, ex);
2500	>	checkCompletedNormally(g, v1);
2501	>	checkCompletedWithWrappedException(h0, ex);
2502	>	checkCompletedWithWrappedException(h1, ex);
2503	>	checkCompletedWithWrappedException(h2, ex);
2504	>	checkCompletedWithWrappedException(h3, ex);
2505	>	checkCompletedWithWrappedException(h4, ex);
2506	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2507	>	}}
2508
2509	<	f = new CompletableFuture<>();
2510	<	g = new CompletableFuture<>();
2511	<	assertTrue(g.cancel(true));
2512	<	h = f.thenCombineAsync(g, subtract, e);
2513	<	checkIncomplete(h);
2514	<	f.complete(3);
2515	<	checkCompletedWithWrappedCancellationException(h);
2509	>	public void testAcceptEither_exceptionalCompletion2() {
2510	>	for (ExecutionMode m : ExecutionMode.values())
2511	>	for (boolean fFirst : new boolean[] { true, false })
2512	>	for (Integer v1 : new Integer[] { 1, null })
2513	>	{
2514	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2515	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2516	>	final CFException ex = new CFException();
2517	>	final NoopConsumer[] rs = new NoopConsumer[6];
2518	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2519
2520	<	f = new CompletableFuture<>();
2521	<	g = new CompletableFuture<>();
2522	<	assertTrue(f.cancel(true));
2523	<	assertTrue(g.cancel(true));
2524	<	h = f.thenCombineAsync(g, subtract, e);
2525	<	checkCompletedWithWrappedCancellationException(h);
2520	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2521	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2522	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2523	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2524	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2525	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2526	>
2527	>	// unspecified behavior - both source completions available
2528	>	try {
2529	>	assertEquals(null, h0.join());
2530	>	rs[0].assertValue(v1);
2531	>	} catch (CompletionException ok) {
2532	>	checkCompletedWithWrappedException(h0, ex);
2533	>	rs[0].assertNotInvoked();
2534	>	}
2535	>	try {
2536	>	assertEquals(null, h1.join());
2537	>	rs[1].assertValue(v1);
2538	>	} catch (CompletionException ok) {
2539	>	checkCompletedWithWrappedException(h1, ex);
2540	>	rs[1].assertNotInvoked();
2541	>	}
2542	>	try {
2543	>	assertEquals(null, h2.join());
2544	>	rs[2].assertValue(v1);
2545	>	} catch (CompletionException ok) {
2546	>	checkCompletedWithWrappedException(h2, ex);
2547	>	rs[2].assertNotInvoked();
2548	>	}
2549	>	try {
2550	>	assertEquals(null, h3.join());
2551	>	rs[3].assertValue(v1);
2552	>	} catch (CompletionException ok) {
2553	>	checkCompletedWithWrappedException(h3, ex);
2554	>	rs[3].assertNotInvoked();
2555	>	}
2556
2557	<	assertEquals(0, e.count.get());
2558	<	}
2557	>	checkCompletedNormally(f, v1);
2558	>	checkCompletedExceptionally(g, ex);
2559	>	}}
2560
2561		/**
2562	<	* thenAcceptBothAsync result completes normally after normal
2539	<	* completion of sources
2562	>	* acceptEither result completes exceptionally if either source cancelled
2563		*/
2564	<	public void testThenAcceptBothAsyncE() {
2565	<	CompletableFuture<Integer> f, g;
2566	<	CompletableFuture<Void> h;
2567	<	SubtractAction r;
2568	<	ThreadExecutor e = new ThreadExecutor();
2564	>	public void testAcceptEither_sourceCancelled() {
2565	>	for (ExecutionMode m : ExecutionMode.values())
2566	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2567	>	for (Integer v1 : new Integer[] { 1, null })
2568	>	{
2569	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2570	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2571	>	final NoopConsumer[] rs = new NoopConsumer[6];
2572	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2573
2574	<	f = new CompletableFuture<>();
2575	<	g = new CompletableFuture<>();
2576	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2577	<	f.complete(3);
2578	<	checkIncomplete(h);
2579	<	g.complete(1);
2580	<	checkCompletedNormally(h, null);
2581	<	assertEquals(r.value, 2);
2574	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2575	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2576	>	checkIncomplete(h0);
2577	>	checkIncomplete(h1);
2578	>	rs[0].assertNotInvoked();
2579	>	rs[1].assertNotInvoked();
2580	>	f.cancel(mayInterruptIfRunning);
2581	>	checkCompletedWithWrappedCancellationException(h0);
2582	>	checkCompletedWithWrappedCancellationException(h1);
2583	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2584	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2585	>	checkCompletedWithWrappedCancellationException(h2);
2586	>	checkCompletedWithWrappedCancellationException(h3);
2587
2588	<	f = new CompletableFuture<>();
2557	<	g = new CompletableFuture<>();
2558	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2559	<	g.complete(1);
2560	<	checkIncomplete(h);
2561	<	f.complete(3);
2562	<	checkCompletedNormally(h, null);
2563	<	assertEquals(r.value, 2);
2588	>	g.complete(v1);
2589
2590	<	f = new CompletableFuture<>();
2591	<	g = new CompletableFuture<>();
2592	<	g.complete(1);
2593	<	f.complete(3);
2594	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2595	<	checkCompletedNormally(h, null);
2596	<	assertEquals(r.value, 2);
2590	>	// unspecified behavior - both source completions available
2591	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2592	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2593	>	try {
2594	>	assertNull(h4.join());
2595	>	rs[4].assertValue(v1);
2596	>	} catch (CompletionException ok) {
2597	>	checkCompletedWithWrappedCancellationException(h4);
2598	>	rs[4].assertNotInvoked();
2599	>	}
2600	>	try {
2601	>	assertNull(h5.join());
2602	>	rs[5].assertValue(v1);
2603	>	} catch (CompletionException ok) {
2604	>	checkCompletedWithWrappedCancellationException(h5);
2605	>	rs[5].assertNotInvoked();
2606	>	}
2607
2608	<	assertEquals(3, e.count.get());
2609	<	}
2608	>	checkCancelled(f);
2609	>	checkCompletedNormally(g, v1);
2610	>	checkCompletedWithWrappedCancellationException(h0);
2611	>	checkCompletedWithWrappedCancellationException(h1);
2612	>	checkCompletedWithWrappedCancellationException(h2);
2613	>	checkCompletedWithWrappedCancellationException(h3);
2614	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2615	>	}}
2616
2617		/**
2618	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2578	<	* completion of source
2618	>	* acceptEither result completes exceptionally if action does
2619		*/
2620	<	public void testThenAcceptBothAsync2E() {
2621	<	CompletableFuture<Integer> f, g;
2622	<	CompletableFuture<Void> h;
2623	<	SubtractAction r;
2624	<	ThreadExecutor e = new ThreadExecutor();
2625	<
2626	<	f = new CompletableFuture<>();
2627	<	g = new CompletableFuture<>();
2628	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2589	<	f.completeExceptionally(new CFException());
2590	<	checkIncomplete(h);
2591	<	g.complete(1);
2592	<	checkCompletedWithWrappedCFException(h);
2593	<
2594	<	f = new CompletableFuture<>();
2595	<	g = new CompletableFuture<>();
2596	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2597	<	g.completeExceptionally(new CFException());
2598	<	checkIncomplete(h);
2599	<	f.complete(3);
2600	<	checkCompletedWithWrappedCFException(h);
2601	<
2602	<	f = new CompletableFuture<>();
2603	<	g = new CompletableFuture<>();
2604	<	f.complete(3);
2605	<	g.completeExceptionally(new CFException());
2606	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2607	<	checkCompletedWithWrappedCFException(h);
2608	<
2609	<	f = new CompletableFuture<>();
2610	<	g = new CompletableFuture<>();
2611	<	f.completeExceptionally(new CFException());
2612	<	g.complete(3);
2613	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2614	<	checkCompletedWithWrappedCFException(h);
2615	<
2616	<	assertEquals(0, e.count.get());
2617	<	}
2620	>	public void testAcceptEither_actionFailed() {
2621	>	for (ExecutionMode m : ExecutionMode.values())
2622	>	for (Integer v1 : new Integer[] { 1, null })
2623	>	for (Integer v2 : new Integer[] { 2, null })
2624	>	{
2625	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2626	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2627	>	final FailingConsumer[] rs = new FailingConsumer[6];
2628	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2629
2630	<	/**
2631	<	* thenAcceptBothAsync result completes exceptionally if action does
2632	<	*/
2633	<	public void testThenAcceptBothAsync3E() {
2634	<	CompletableFuture<Integer> f, g;
2635	<	CompletableFuture<Void> h;
2636	<	FailingBiConsumer r;
2637	<	ThreadExecutor e = new ThreadExecutor();
2630	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2631	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2632	>	f.complete(v1);
2633	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2634	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2635	>	checkCompletedWithWrappedCFException(h0);
2636	>	checkCompletedWithWrappedCFException(h1);
2637	>	checkCompletedWithWrappedCFException(h2);
2638	>	checkCompletedWithWrappedCFException(h3);
2639	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2640
2641	<	f = new CompletableFuture<>();
2629	<	g = new CompletableFuture<>();
2630	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2631	<	f.complete(3);
2632	<	checkIncomplete(h);
2633	<	g.complete(1);
2634	<	checkCompletedWithWrappedCFException(h);
2641	>	g.complete(v2);
2642
2643	<	f = new CompletableFuture<>();
2644	<	g = new CompletableFuture<>();
2645	<	f.complete(3);
2646	<	g.complete(1);
2647	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2648	<	checkCompletedWithWrappedCFException(h);
2643	>	// unspecified behavior - both source completions available
2644	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2645	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2646	>
2647	>	checkCompletedWithWrappedCFException(h4);
2648	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2649	>	Objects.equals(v2, rs[4].value));
2650	>	checkCompletedWithWrappedCFException(h5);
2651	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2652	>	Objects.equals(v2, rs[5].value));
2653
2654	<	assertEquals(2, e.count.get());
2655	<	}
2654	>	checkCompletedNormally(f, v1);
2655	>	checkCompletedNormally(g, v2);
2656	>	}}
2657
2658		/**
2659	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2659	>	* runAfterEither result completes normally after normal completion
2660	>	* of either source
2661		*/
2662	<	public void testThenAcceptBothAsync4E() {
2663	<	CompletableFuture<Integer> f, g;
2664	<	CompletableFuture<Void> h;
2665	<	SubtractAction r;
2666	<	ThreadExecutor e = new ThreadExecutor();
2667	<
2668	<	f = new CompletableFuture<>();
2669	<	g = new CompletableFuture<>();
2670	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2658	<	assertTrue(f.cancel(true));
2659	<	checkIncomplete(h);
2660	<	g.complete(1);
2661	<	checkCompletedWithWrappedCancellationException(h);
2662	>	public void testRunAfterEither_normalCompletion() {
2663	>	for (ExecutionMode m : ExecutionMode.values())
2664	>	for (Integer v1 : new Integer[] { 1, null })
2665	>	for (Integer v2 : new Integer[] { 2, null })
2666	>	{
2667	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2668	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2669	>	final Noop[] rs = new Noop[6];
2670	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2671
2672	<	f = new CompletableFuture<>();
2673	<	g = new CompletableFuture<>();
2674	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2675	<	assertTrue(g.cancel(true));
2676	<	checkIncomplete(h);
2677	<	f.complete(3);
2678	<	checkCompletedWithWrappedCancellationException(h);
2672	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2673	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2674	>	checkIncomplete(h0);
2675	>	checkIncomplete(h1);
2676	>	rs[0].assertNotInvoked();
2677	>	rs[1].assertNotInvoked();
2678	>	f.complete(v1);
2679	>	checkCompletedNormally(h0, null);
2680	>	checkCompletedNormally(h1, null);
2681	>	rs[0].assertInvoked();
2682	>	rs[1].assertInvoked();
2683	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2684	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2685	>	checkCompletedNormally(h2, null);
2686	>	checkCompletedNormally(h3, null);
2687	>	rs[2].assertInvoked();
2688	>	rs[3].assertInvoked();
2689
2690	<	f = new CompletableFuture<>();
2672	<	g = new CompletableFuture<>();
2673	<	f.complete(3);
2674	<	assertTrue(g.cancel(true));
2675	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2676	<	checkCompletedWithWrappedCancellationException(h);
2690	>	g.complete(v2);
2691
2692	<	f = new CompletableFuture<>();
2693	<	g = new CompletableFuture<>();
2680	<	assertTrue(f.cancel(true));
2681	<	g.complete(3);
2682	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2683	<	checkCompletedWithWrappedCancellationException(h);
2692	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2693	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2694
2695	<	assertEquals(0, e.count.get());
2696	<	}
2695	>	checkCompletedNormally(f, v1);
2696	>	checkCompletedNormally(g, v2);
2697	>	checkCompletedNormally(h0, null);
2698	>	checkCompletedNormally(h1, null);
2699	>	checkCompletedNormally(h2, null);
2700	>	checkCompletedNormally(h3, null);
2701	>	checkCompletedNormally(h4, null);
2702	>	checkCompletedNormally(h5, null);
2703	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2704	>	}}
2705
2706		/**
2707	<	* applyToEitherAsync result completes normally after normal
2708	<	* completion of sources
2707	>	* runAfterEither result completes exceptionally after exceptional
2708	>	* completion of either source
2709		*/
2710	<	public void testApplyToEitherAsyncE() {
2711	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2712	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2713	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2714	<	f.complete(one);
2715	<	checkCompletedNormally(g, two);
2716	<
2717	<	f = new CompletableFuture<>();
2718	<	f.complete(one);
2701	<	f2 = new CompletableFuture<>();
2702	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2703	<	checkCompletedNormally(g, two);
2704	<	}
2710	>	public void testRunAfterEither_exceptionalCompletion() {
2711	>	for (ExecutionMode m : ExecutionMode.values())
2712	>	for (Integer v1 : new Integer[] { 1, null })
2713	>	{
2714	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2715	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2716	>	final CFException ex = new CFException();
2717	>	final Noop[] rs = new Noop[6];
2718	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2719
2720	<	/**
2721	<	* applyToEitherAsync result completes exceptionally after exceptional
2722	<	* completion of source
2723	<	*/
2724	<	public void testApplyToEitherAsync2E() {
2725	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2726	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2727	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2728	<	f.completeExceptionally(new CFException());
2729	<	checkCompletedWithWrappedCFException(g);
2720	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2721	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2722	>	checkIncomplete(h0);
2723	>	checkIncomplete(h1);
2724	>	rs[0].assertNotInvoked();
2725	>	rs[1].assertNotInvoked();
2726	>	assertTrue(f.completeExceptionally(ex));
2727	>	checkCompletedWithWrappedException(h0, ex);
2728	>	checkCompletedWithWrappedException(h1, ex);
2729	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2730	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2731	>	checkCompletedWithWrappedException(h2, ex);
2732	>	checkCompletedWithWrappedException(h3, ex);
2733	>
2734	>	assertTrue(g.complete(v1));
2735	>
2736	>	// unspecified behavior - both source completions available
2737	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2738	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2739	>	try {
2740	>	assertNull(h4.join());
2741	>	rs[4].assertInvoked();
2742	>	} catch (CompletionException ok) {
2743	>	checkCompletedWithWrappedException(h4, ex);
2744	>	rs[4].assertNotInvoked();
2745	>	}
2746	>	try {
2747	>	assertNull(h5.join());
2748	>	rs[5].assertInvoked();
2749	>	} catch (CompletionException ok) {
2750	>	checkCompletedWithWrappedException(h5, ex);
2751	>	rs[5].assertNotInvoked();
2752	>	}
2753
2754	<	f = new CompletableFuture<>();
2755	<	f2 = new CompletableFuture<>();
2756	<	f2.completeExceptionally(new CFException());
2757	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2758	<	f.complete(one);
2759	<	checkCompletedWithWrappedCFException(g);
2760	<	}
2754	>	checkCompletedExceptionally(f, ex);
2755	>	checkCompletedNormally(g, v1);
2756	>	checkCompletedWithWrappedException(h0, ex);
2757	>	checkCompletedWithWrappedException(h1, ex);
2758	>	checkCompletedWithWrappedException(h2, ex);
2759	>	checkCompletedWithWrappedException(h3, ex);
2760	>	checkCompletedWithWrappedException(h4, ex);
2761	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2762	>	}}
2763
2764	<	/**
2765	<	* applyToEitherAsync result completes exceptionally if action does
2766	<	*/
2767	<	public void testApplyToEitherAsync3E() {
2768	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2769	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2770	<	FailingFunction r = new FailingFunction();
2771	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2772	<	f.complete(one);
2773	<	checkCompletedWithWrappedCFException(g);
2735	<	}
2764	>	public void testRunAfterEither_exceptionalCompletion2() {
2765	>	for (ExecutionMode m : ExecutionMode.values())
2766	>	for (boolean fFirst : new boolean[] { true, false })
2767	>	for (Integer v1 : new Integer[] { 1, null })
2768	>	{
2769	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2770	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2771	>	final CFException ex = new CFException();
2772	>	final Noop[] rs = new Noop[6];
2773	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2774
2775	<	/**
2776	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2777	<	*/
2778	<	public void testApplyToEitherAsync4E() {
2779	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2780	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2781	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2782	<	assertTrue(f.cancel(true));
2783	<	checkCompletedWithWrappedCancellationException(g);
2775	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2776	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2777	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2778	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2779	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2780	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2781	>
2782	>	// unspecified behavior - both source completions available
2783	>	try {
2784	>	assertEquals(null, h0.join());
2785	>	rs[0].assertInvoked();
2786	>	} catch (CompletionException ok) {
2787	>	checkCompletedWithWrappedException(h0, ex);
2788	>	rs[0].assertNotInvoked();
2789	>	}
2790	>	try {
2791	>	assertEquals(null, h1.join());
2792	>	rs[1].assertInvoked();
2793	>	} catch (CompletionException ok) {
2794	>	checkCompletedWithWrappedException(h1, ex);
2795	>	rs[1].assertNotInvoked();
2796	>	}
2797	>	try {
2798	>	assertEquals(null, h2.join());
2799	>	rs[2].assertInvoked();
2800	>	} catch (CompletionException ok) {
2801	>	checkCompletedWithWrappedException(h2, ex);
2802	>	rs[2].assertNotInvoked();
2803	>	}
2804	>	try {
2805	>	assertEquals(null, h3.join());
2806	>	rs[3].assertInvoked();
2807	>	} catch (CompletionException ok) {
2808	>	checkCompletedWithWrappedException(h3, ex);
2809	>	rs[3].assertNotInvoked();
2810	>	}
2811
2812	<	f = new CompletableFuture<>();
2813	<	f2 = new CompletableFuture<>();
2814	<	assertTrue(f2.cancel(true));
2750	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2751	<	checkCompletedWithWrappedCancellationException(g);
2752	<	}
2812	>	checkCompletedNormally(f, v1);
2813	>	checkCompletedExceptionally(g, ex);
2814	>	}}
2815
2816		/**
2817	<	* acceptEitherAsync result completes normally after normal
2756	<	* completion of sources
2817	>	* runAfterEither result completes exceptionally if either source cancelled
2818		*/
2819	<	public void testAcceptEitherAsyncE() {
2820	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2821	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2822	<	IncAction r = new IncAction();
2823	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2824	<	f.complete(one);
2825	<	checkCompletedNormally(g, null);
2826	<	assertEquals(r.value, 2);
2827	<
2767	<	r = new IncAction();
2768	<	f = new CompletableFuture<>();
2769	<	f.complete(one);
2770	<	f2 = new CompletableFuture<>();
2771	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2772	<	checkCompletedNormally(g, null);
2773	<	assertEquals(r.value, 2);
2774	<	}
2819	>	public void testRunAfterEither_sourceCancelled() {
2820	>	for (ExecutionMode m : ExecutionMode.values())
2821	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2822	>	for (Integer v1 : new Integer[] { 1, null })
2823	>	{
2824	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2825	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2826	>	final Noop[] rs = new Noop[6];
2827	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2828
2829	<	/**
2830	<	* acceptEitherAsync result completes exceptionally after exceptional
2831	<	* completion of source
2832	<	*/
2833	<	public void testAcceptEitherAsync2E() {
2834	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2835	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2836	<	IncAction r = new IncAction();
2837	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2838	<	f.completeExceptionally(new CFException());
2839	<	checkCompletedWithWrappedCFException(g);
2829	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2830	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2831	>	checkIncomplete(h0);
2832	>	checkIncomplete(h1);
2833	>	rs[0].assertNotInvoked();
2834	>	rs[1].assertNotInvoked();
2835	>	f.cancel(mayInterruptIfRunning);
2836	>	checkCompletedWithWrappedCancellationException(h0);
2837	>	checkCompletedWithWrappedCancellationException(h1);
2838	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2839	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2840	>	checkCompletedWithWrappedCancellationException(h2);
2841	>	checkCompletedWithWrappedCancellationException(h3);
2842	>
2843	>	assertTrue(g.complete(v1));
2844	>
2845	>	// unspecified behavior - both source completions available
2846	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2847	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2848	>	try {
2849	>	assertNull(h4.join());
2850	>	rs[4].assertInvoked();
2851	>	} catch (CompletionException ok) {
2852	>	checkCompletedWithWrappedCancellationException(h4);
2853	>	rs[4].assertNotInvoked();
2854	>	}
2855	>	try {
2856	>	assertNull(h5.join());
2857	>	rs[5].assertInvoked();
2858	>	} catch (CompletionException ok) {
2859	>	checkCompletedWithWrappedCancellationException(h5);
2860	>	rs[5].assertNotInvoked();
2861	>	}
2862
2863	<	r = new IncAction();
2864	<	f = new CompletableFuture<>();
2865	<	f2 = new CompletableFuture<>();
2866	<	f2.completeExceptionally(new CFException());
2867	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2868	<	f.complete(one);
2869	<	checkCompletedWithWrappedCFException(g);
2870	<	}
2863	>	checkCancelled(f);
2864	>	checkCompletedNormally(g, v1);
2865	>	checkCompletedWithWrappedCancellationException(h0);
2866	>	checkCompletedWithWrappedCancellationException(h1);
2867	>	checkCompletedWithWrappedCancellationException(h2);
2868	>	checkCompletedWithWrappedCancellationException(h3);
2869	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2870	>	}}
2871
2872		/**
2873	<	* acceptEitherAsync result completes exceptionally if action does
2873	>	* runAfterEither result completes exceptionally if action does
2874		*/
2875	<	public void testAcceptEitherAsync3E() {
2876	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2877	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2878	<	FailingConsumer r = new FailingConsumer();
2879	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2880	<	f.complete(one);
2881	<	checkCompletedWithWrappedCFException(g);
2882	<	}
2875	>	public void testRunAfterEither_actionFailed() {
2876	>	for (ExecutionMode m : ExecutionMode.values())
2877	>	for (Integer v1 : new Integer[] { 1, null })
2878	>	for (Integer v2 : new Integer[] { 2, null })
2879	>	{
2880	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2881	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2882	>	final FailingRunnable[] rs = new FailingRunnable[6];
2883	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2884
2885	<	/**
2886	<	* acceptEitherAsync result completes exceptionally if either
2887	<	* source cancelled
2888	<	*/
2889	<	public void testAcceptEitherAsync4E() {
2890	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2891	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2892	<	IncAction r = new IncAction();
2893	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2894	<	assertTrue(f.cancel(true));
2895	<	checkCompletedWithWrappedCancellationException(g);
2885	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2886	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2887	>	assertTrue(f.complete(v1));
2888	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2889	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2890	>	checkCompletedWithWrappedCFException(h0);
2891	>	checkCompletedWithWrappedCFException(h1);
2892	>	checkCompletedWithWrappedCFException(h2);
2893	>	checkCompletedWithWrappedCFException(h3);
2894	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2895	>	assertTrue(g.complete(v2));
2896	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2897	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2898	>	checkCompletedWithWrappedCFException(h4);
2899	>	checkCompletedWithWrappedCFException(h5);
2900
2901	<	r = new IncAction();
2902	<	f = new CompletableFuture<>();
2903	<	f2 = new CompletableFuture<>();
2904	<	assertTrue(f2.cancel(true));
2825	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2826	<	checkCompletedWithWrappedCancellationException(g);
2827	<	}
2901	>	checkCompletedNormally(f, v1);
2902	>	checkCompletedNormally(g, v2);
2903	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2904	>	}}
2905
2906		/**
2907	<	* runAfterEitherAsync result completes normally after normal
2831	<	* completion of sources
2907	>	* thenCompose result completes normally after normal completion of source
2908		*/
2909	<	public void testRunAfterEitherAsyncE() {
2910	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2911	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2912	<	Noop r = new Noop();
2913	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2914	<	f.complete(one);
2915	<	checkCompletedNormally(g, null);
2916	<	assertTrue(r.ran);
2909	>	public void testThenCompose_normalCompletion() {
2910	>	for (ExecutionMode m : ExecutionMode.values())
2911	>	for (boolean createIncomplete : new boolean[] { true, false })
2912	>	for (Integer v1 : new Integer[] { 1, null })
2913	>	{
2914	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2915	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2916	>	if (!createIncomplete) assertTrue(f.complete(v1));
2917	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2918	>	if (createIncomplete) assertTrue(f.complete(v1));
2919
2920	<	r = new Noop();
2921	<	f = new CompletableFuture<>();
2922	<	f.complete(one);
2923	<	f2 = new CompletableFuture<>();
2846	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2847	<	checkCompletedNormally(g, null);
2848	<	assertTrue(r.ran);
2849	<	}
2920	>	checkCompletedNormally(g, inc(v1));
2921	>	checkCompletedNormally(f, v1);
2922	>	r.assertValue(v1);
2923	>	}}
2924
2925		/**
2926	<	* runAfterEitherAsync result completes exceptionally after exceptional
2926	>	* thenCompose result completes exceptionally after exceptional
2927		* completion of source
2928		*/
2929	<	public void testRunAfterEitherAsync2E() {
2930	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2931	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2932	<	Noop r = new Noop();
2933	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2934	<	f.completeExceptionally(new CFException());
2935	<	checkCompletedWithWrappedCFException(g);
2936	<
2937	<	r = new Noop();
2938	<	f = new CompletableFuture<>();
2939	<	f2 = new CompletableFuture<>();
2940	<	f2.completeExceptionally(new CFException());
2941	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2942	<	f.complete(one);
2943	<	checkCompletedWithWrappedCFException(g);
2870	<	}
2929	>	public void testThenCompose_exceptionalCompletion() {
2930	>	for (ExecutionMode m : ExecutionMode.values())
2931	>	for (boolean createIncomplete : new boolean[] { true, false })
2932	>	{
2933	>	final CFException ex = new CFException();
2934	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2935	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2936	>	if (!createIncomplete) f.completeExceptionally(ex);
2937	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2938	>	if (createIncomplete) f.completeExceptionally(ex);
2939	>
2940	>	checkCompletedWithWrappedException(g, ex);
2941	>	checkCompletedExceptionally(f, ex);
2942	>	r.assertNotInvoked();
2943	>	}}
2944
2945		/**
2946	<	* runAfterEitherAsync result completes exceptionally if action does
2946	>	* thenCompose result completes exceptionally if action does
2947		*/
2948	<	public void testRunAfterEitherAsync3E() {
2949	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2950	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2951	<	FailingNoop r = new FailingNoop();
2952	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2953	<	f.complete(one);
2948	>	public void testThenCompose_actionFailed() {
2949	>	for (ExecutionMode m : ExecutionMode.values())
2950	>	for (boolean createIncomplete : new boolean[] { true, false })
2951	>	for (Integer v1 : new Integer[] { 1, null })
2952	>	{
2953	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2954	>	final FailingCompletableFutureFunction r
2955	>	= new FailingCompletableFutureFunction(m);
2956	>	if (!createIncomplete) assertTrue(f.complete(v1));
2957	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2958	>	if (createIncomplete) assertTrue(f.complete(v1));
2959	>
2960		checkCompletedWithWrappedCFException(g);
2961	<	}
2961	>	checkCompletedNormally(f, v1);
2962	>	}}
2963
2964		/**
2965	<	* runAfterEitherAsync result completes exceptionally if either
2886	<	* source cancelled
2965	>	* thenCompose result completes exceptionally if source cancelled
2966		*/
2967	<	public void testRunAfterEitherAsync4E() {
2968	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2969	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2970	<	Noop r = new Noop();
2971	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2972	<	assertTrue(f.cancel(true));
2973	<	checkCompletedWithWrappedCancellationException(g);
2967	>	public void testThenCompose_sourceCancelled() {
2968	>	for (ExecutionMode m : ExecutionMode.values())
2969	>	for (boolean createIncomplete : new boolean[] { true, false })
2970	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2971	>	{
2972	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2973	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2974	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2975	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2976	>	if (createIncomplete) {
2977	>	checkIncomplete(g);
2978	>	assertTrue(f.cancel(mayInterruptIfRunning));
2979	>	}
2980
2896	–	r = new Noop();
2897	–	f = new CompletableFuture<>();
2898	–	f2 = new CompletableFuture<>();
2899	–	assertTrue(f2.cancel(true));
2900	–	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2981		checkCompletedWithWrappedCancellationException(g);
2982	<	}
2983	<
2904	<	/**
2905	<	* thenComposeAsync result completes normally after normal
2906	<	* completion of source
2907	<	*/
2908	<	public void testThenComposeAsyncE() {
2909	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2910	<	CompletableFutureInc r = new CompletableFutureInc();
2911	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2912	<	f.complete(one);
2913	<	checkCompletedNormally(g, two);
2914	<	}
2915	<
2916	<	/**
2917	<	* thenComposeAsync result completes exceptionally after
2918	<	* exceptional completion of source
2919	<	*/
2920	<	public void testThenComposeAsync2E() {
2921	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2922	<	CompletableFutureInc r = new CompletableFutureInc();
2923	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2924	<	f.completeExceptionally(new CFException());
2925	<	checkCompletedWithWrappedCFException(g);
2926	<	}
2982	>	checkCancelled(f);
2983	>	}}
2984
2985		/**
2986	<	* thenComposeAsync result completes exceptionally if action does
2986	>	* thenCompose result completes exceptionally if the result of the action does
2987		*/
2988	<	public void testThenComposeAsync3E() {
2989	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2990	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2991	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2992	<	f.complete(one);
2993	<	checkCompletedWithWrappedCFException(g);
2994	<	}
2988	>	public void testThenCompose_actionReturnsFailingFuture() {
2989	>	for (ExecutionMode m : ExecutionMode.values())
2990	>	for (int order = 0; order < 6; order++)
2991	>	for (Integer v1 : new Integer[] { 1, null })
2992	>	{
2993	>	final CFException ex = new CFException();
2994	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2995	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2996	>	final CompletableFuture<Integer> h;
2997	>	// Test all permutations of orders
2998	>	switch (order) {
2999	>	case 0:
3000	>	assertTrue(f.complete(v1));
3001	>	assertTrue(g.completeExceptionally(ex));
3002	>	h = m.thenCompose(f, (x -> g));
3003	>	break;
3004	>	case 1:
3005	>	assertTrue(f.complete(v1));
3006	>	h = m.thenCompose(f, (x -> g));
3007	>	assertTrue(g.completeExceptionally(ex));
3008	>	break;
3009	>	case 2:
3010	>	assertTrue(g.completeExceptionally(ex));
3011	>	assertTrue(f.complete(v1));
3012	>	h = m.thenCompose(f, (x -> g));
3013	>	break;
3014	>	case 3:
3015	>	assertTrue(g.completeExceptionally(ex));
3016	>	h = m.thenCompose(f, (x -> g));
3017	>	assertTrue(f.complete(v1));
3018	>	break;
3019	>	case 4:
3020	>	h = m.thenCompose(f, (x -> g));
3021	>	assertTrue(f.complete(v1));
3022	>	assertTrue(g.completeExceptionally(ex));
3023	>	break;
3024	>	case 5:
3025	>	h = m.thenCompose(f, (x -> g));
3026	>	assertTrue(f.complete(v1));
3027	>	assertTrue(g.completeExceptionally(ex));
3028	>	break;
3029	>	default: throw new AssertionError();
3030	>	}
3031
3032	<	/**
3033	<	* thenComposeAsync result completes exceptionally if source cancelled
3034	<	*/
3035	<	public void testThenComposeAsync4E() {
2943	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2944	<	CompletableFutureInc r = new CompletableFutureInc();
2945	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2946	<	assertTrue(f.cancel(true));
2947	<	checkCompletedWithWrappedCancellationException(g);
2948	<	}
3032	>	checkCompletedExceptionally(g, ex);
3033	>	checkCompletedWithWrappedException(h, ex);
3034	>	checkCompletedNormally(f, v1);
3035	>	}}
3036
3037		// other static methods
3038
#	Line 2963 | Line 3050 | public class CompletableFutureTest exten
3050		* when all components complete normally
3051		*/
3052		public void testAllOf_normal() throws Exception {
3053	<	for (int k = 1; k < 20; ++k) {
3054	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3055	<	for (int i = 0; i < k; ++i)
3053	>	for (int k = 1; k < 10; k++) {
3054	>	CompletableFuture<Integer>[] fs
3055	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3056	>	for (int i = 0; i < k; i++)
3057	>	fs[i] = new CompletableFuture<>();
3058	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3059	>	for (int i = 0; i < k; i++) {
3060	>	checkIncomplete(f);
3061	>	checkIncomplete(CompletableFuture.allOf(fs));
3062	>	fs[i].complete(one);
3063	>	}
3064	>	checkCompletedNormally(f, null);
3065	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3066	>	}
3067	>	}
3068	>
3069	>	public void testAllOf_backwards() throws Exception {
3070	>	for (int k = 1; k < 10; k++) {
3071	>	CompletableFuture<Integer>[] fs
3072	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3073	>	for (int i = 0; i < k; i++)
3074		fs[i] = new CompletableFuture<>();
3075		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3076	<	for (int i = 0; i < k; ++i) {
3076	>	for (int i = k - 1; i >= 0; i--) {
3077		checkIncomplete(f);
3078		checkIncomplete(CompletableFuture.allOf(fs));
3079		fs[i].complete(one);
#	Line 2978 | Line 3083 | public class CompletableFutureTest exten
3083		}
3084		}
3085
3086	+	public void testAllOf_exceptional() throws Exception {
3087	+	for (int k = 1; k < 10; k++) {
3088	+	CompletableFuture<Integer>[] fs
3089	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3090	+	CFException ex = new CFException();
3091	+	for (int i = 0; i < k; i++)
3092	+	fs[i] = new CompletableFuture<>();
3093	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3094	+	for (int i = 0; i < k; i++) {
3095	+	checkIncomplete(f);
3096	+	checkIncomplete(CompletableFuture.allOf(fs));
3097	+	if (i != k / 2) {
3098	+	fs[i].complete(i);
3099	+	checkCompletedNormally(fs[i], i);
3100	+	} else {
3101	+	fs[i].completeExceptionally(ex);
3102	+	checkCompletedExceptionally(fs[i], ex);
3103	+	}
3104	+	}
3105	+	checkCompletedWithWrappedException(f, ex);
3106	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3107	+	}
3108	+	}
3109	+
3110		/**
3111		* anyOf(no component futures) returns an incomplete future
3112		*/
3113		public void testAnyOf_empty() throws Exception {
3114	+	for (Integer v1 : new Integer[] { 1, null })
3115	+	{
3116		CompletableFuture<Object> f = CompletableFuture.anyOf();
3117		checkIncomplete(f);
3118	<	}
3118	>
3119	>	f.complete(v1);
3120	>	checkCompletedNormally(f, v1);
3121	>	}}
3122
3123		/**
3124		* anyOf returns a future completed normally with a value when
3125		* a component future does
3126		*/
3127		public void testAnyOf_normal() throws Exception {
3128	<	for (int k = 0; k < 10; ++k) {
3128	>	for (int k = 0; k < 10; k++) {
3129		CompletableFuture[] fs = new CompletableFuture[k];
3130	<	for (int i = 0; i < k; ++i)
3130	>	for (int i = 0; i < k; i++)
3131		fs[i] = new CompletableFuture<>();
3132		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3133		checkIncomplete(f);
3134	<	for (int i = 0; i < k; ++i) {
3135	<	fs[i].complete(one);
3136	<	checkCompletedNormally(f, one);
3137	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3134	>	for (int i = 0; i < k; i++) {
3135	>	fs[i].complete(i);
3136	>	checkCompletedNormally(f, 0);
3137	>	int x = (int) CompletableFuture.anyOf(fs).join();
3138	>	assertTrue(0 <= x && x <= i);
3139	>	}
3140	>	}
3141	>	}
3142	>	public void testAnyOf_normal_backwards() throws Exception {
3143	>	for (int k = 0; k < 10; k++) {
3144	>	CompletableFuture[] fs = new CompletableFuture[k];
3145	>	for (int i = 0; i < k; i++)
3146	>	fs[i] = new CompletableFuture<>();
3147	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3148	>	checkIncomplete(f);
3149	>	for (int i = k - 1; i >= 0; i--) {
3150	>	fs[i].complete(i);
3151	>	checkCompletedNormally(f, k - 1);
3152	>	int x = (int) CompletableFuture.anyOf(fs).join();
3153	>	assertTrue(i <= x && x <= k - 1);
3154		}
3155		}
3156		}
#	Line 3009 | Line 3159 | public class CompletableFutureTest exten
3159		* anyOf result completes exceptionally when any component does.
3160		*/
3161		public void testAnyOf_exceptional() throws Exception {
3162	<	for (int k = 0; k < 10; ++k) {
3162	>	for (int k = 0; k < 10; k++) {
3163		CompletableFuture[] fs = new CompletableFuture[k];
3164	<	for (int i = 0; i < k; ++i)
3164	>	CFException[] exs = new CFException[k];
3165	>	for (int i = 0; i < k; i++) {
3166		fs[i] = new CompletableFuture<>();
3167	+	exs[i] = new CFException();
3168	+	}
3169	+	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3170	+	checkIncomplete(f);
3171	+	for (int i = 0; i < k; i++) {
3172	+	fs[i].completeExceptionally(exs[i]);
3173	+	checkCompletedWithWrappedException(f, exs[0]);
3174	+	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3175	+	}
3176	+	}
3177	+	}
3178	+
3179	+	public void testAnyOf_exceptional_backwards() throws Exception {
3180	+	for (int k = 0; k < 10; k++) {
3181	+	CompletableFuture[] fs = new CompletableFuture[k];
3182	+	CFException[] exs = new CFException[k];
3183	+	for (int i = 0; i < k; i++) {
3184	+	fs[i] = new CompletableFuture<>();
3185	+	exs[i] = new CFException();
3186	+	}
3187		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3188		checkIncomplete(f);
3189	<	for (int i = 0; i < k; ++i) {
3190	<	fs[i].completeExceptionally(new CFException());
3191	<	checkCompletedWithWrappedCFException(f);
3189	>	for (int i = k - 1; i >= 0; i--) {
3190	>	fs[i].completeExceptionally(exs[i]);
3191	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3192		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3193		}
3194		}
#	Line 3030 | Line 3201 | public class CompletableFutureTest exten
3201		CompletableFuture<Integer> f = new CompletableFuture<>();
3202		CompletableFuture<Integer> g = new CompletableFuture<>();
3203		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3033	–	CompletableFuture<?> h;
3204		ThreadExecutor exec = new ThreadExecutor();
3205
3206		Runnable[] throwingActions = {
3207		() -> CompletableFuture.supplyAsync(null),
3208		() -> CompletableFuture.supplyAsync(null, exec),
3209	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3209	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3210
3211		() -> CompletableFuture.runAsync(null),
3212		() -> CompletableFuture.runAsync(null, exec),
#	Line 3109 | Line 3279 | public class CompletableFutureTest exten
3279
3280		() -> f.thenCompose(null),
3281		() -> f.thenComposeAsync(null),
3282	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3282	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3283		() -> f.thenComposeAsync(null, exec),
3284
3285		() -> f.exceptionally(null),
#	Line 3127 | Line 3297 | public class CompletableFutureTest exten
3297		() -> CompletableFuture.anyOf(null, f),
3298
3299		() -> f.obtrudeException(null),
3300	+
3301	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3302	+	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3303	+	() -> CompletableFuture.delayedExecutor(1L, null),
3304	+
3305	+	() -> f.orTimeout(1L, null),
3306	+	() -> f.completeOnTimeout(42, 1L, null),
3307	+
3308	+	() -> CompletableFuture.failedFuture(null),
3309	+	() -> CompletableFuture.failedStage(null),
3310		};
3311
3312		assertThrows(NullPointerException.class, throwingActions);
#	Line 3141 | Line 3321 | public class CompletableFutureTest exten
3321		assertSame(f, f.toCompletableFuture());
3322		}
3323
3324	+	// jdk9
3325	+
3326		/**
3327	<	* whenComplete action executes on normal completion, propagating
3146	<	* source result.
3327	>	* newIncompleteFuture returns an incomplete CompletableFuture
3328		*/
3329	<	public void testWhenComplete1() {
3330	<	final AtomicInteger a = new AtomicInteger();
3329	>	public void testNewIncompleteFuture() {
3330	>	for (Integer v1 : new Integer[] { 1, null })
3331	>	{
3332		CompletableFuture<Integer> f = new CompletableFuture<>();
3333	<	CompletableFuture<Integer> g =
3334	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3335	<	f.complete(three);
3336	<	checkCompletedNormally(f, three);
3337	<	checkCompletedNormally(g, three);
3338	<	assertEquals(a.get(), 1);
3333	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3334	>	checkIncomplete(f);
3335	>	checkIncomplete(g);
3336	>	f.complete(v1);
3337	>	checkCompletedNormally(f, v1);
3338	>	checkIncomplete(g);
3339	>	g.complete(v1);
3340	>	checkCompletedNormally(g, v1);
3341	>	assertSame(g.getClass(), CompletableFuture.class);
3342	>	}}
3343	>
3344	>	/**
3345	>	* completedStage returns a completed CompletionStage
3346	>	*/
3347	>	public void testCompletedStage() {
3348	>	AtomicInteger x = new AtomicInteger(0);
3349	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3350	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3351	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3352	>	assertEquals(x.get(), 1);
3353	>	assertNull(r.get());
3354		}
3355
3356		/**
3357	<	* whenComplete action executes on exceptional completion, propagating
3358	<	* source result.
3357	>	* defaultExecutor by default returns the commonPool if
3358	>	* it supports more than one thread.
3359		*/
3360	<	public void testWhenComplete2() {
3164	<	final AtomicInteger a = new AtomicInteger();
3360	>	public void testDefaultExecutor() {
3361		CompletableFuture<Integer> f = new CompletableFuture<>();
3362	<	CompletableFuture<Integer> g =
3363	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3364	<	f.completeExceptionally(new CFException());
3365	<	assertTrue(f.isCompletedExceptionally());
3366	<	assertTrue(g.isCompletedExceptionally());
3367	<	assertEquals(a.get(), 1);
3362	>	Executor e = f.defaultExecutor();
3363	>	Executor c = ForkJoinPool.commonPool();
3364	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3365	>	assertSame(e, c);
3366	>	else
3367	>	assertNotSame(e, c);
3368		}
3369
3370		/**
3371	<	* If a whenComplete action throws an exception when triggered by
3372	<	* a normal completion, it completes exceptionally
3371	>	* failedFuture returns a CompletableFuture completed
3372	>	* exceptionally with the given Exception
3373		*/
3374	<	public void testWhenComplete3() {
3375	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3376	<	CompletableFuture<Integer> g =
3377	<	f.whenComplete((Integer x, Throwable t) ->
3182	<	{ throw new CFException(); } );
3183	<	f.complete(three);
3184	<	checkCompletedNormally(f, three);
3185	<	assertTrue(g.isCompletedExceptionally());
3186	<	checkCompletedWithWrappedCFException(g);
3374	>	public void testFailedFuture() {
3375	>	CFException ex = new CFException();
3376	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3377	>	checkCompletedExceptionally(f, ex);
3378		}
3379
3380		/**
3381	<	* whenCompleteAsync action executes on normal completion, propagating
3191	<	* source result.
3381	>	* failedFuture(null) throws NPE
3382		*/
3383	<	public void testWhenCompleteAsync1() {
3384	<	final AtomicInteger a = new AtomicInteger();
3385	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3386	<	CompletableFuture<Integer> g =
3387	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3198	<	f.complete(three);
3199	<	checkCompletedNormally(f, three);
3200	<	checkCompletedNormally(g, three);
3201	<	assertEquals(a.get(), 1);
3383	>	public void testFailedFuture_null() {
3384	>	try {
3385	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3386	>	shouldThrow();
3387	>	} catch (NullPointerException success) {}
3388		}
3389
3390		/**
3391	<	* whenCompleteAsync action executes on exceptional completion, propagating
3392	<	* source result.
3391	>	* copy returns a CompletableFuture that is completed normally,
3392	>	* with the same value, when source is.
3393		*/
3394	<	public void testWhenCompleteAsync2() {
3209	<	final AtomicInteger a = new AtomicInteger();
3394	>	public void testCopy() {
3395		CompletableFuture<Integer> f = new CompletableFuture<>();
3396	<	CompletableFuture<Integer> g =
3397	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3398	<	f.completeExceptionally(new CFException());
3399	<	checkCompletedWithWrappedCFException(f);
3400	<	checkCompletedWithWrappedCFException(g);
3396	>	CompletableFuture<Integer> g = f.copy();
3397	>	checkIncomplete(f);
3398	>	checkIncomplete(g);
3399	>	f.complete(1);
3400	>	checkCompletedNormally(f, 1);
3401	>	checkCompletedNormally(g, 1);
3402		}
3403
3404		/**
3405	<	* If a whenCompleteAsync action throws an exception when
3406	<	* triggered by a normal completion, it completes exceptionally
3405	>	* copy returns a CompletableFuture that is completed exceptionally
3406	>	* when source is.
3407		*/
3408	<	public void testWhenCompleteAsync3() {
3408	>	public void testCopy2() {
3409		CompletableFuture<Integer> f = new CompletableFuture<>();
3410	<	CompletableFuture<Integer> g =
3411	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3412	<	{ throw new CFException(); } );
3413	<	f.complete(three);
3414	<	checkCompletedNormally(f, three);
3415	<	checkCompletedWithWrappedCFException(g);
3410	>	CompletableFuture<Integer> g = f.copy();
3411	>	checkIncomplete(f);
3412	>	checkIncomplete(g);
3413	>	CFException ex = new CFException();
3414	>	f.completeExceptionally(ex);
3415	>	checkCompletedExceptionally(f, ex);
3416	>	checkCompletedWithWrappedException(g, ex);
3417		}
3418
3419		/**
3420	<	* whenCompleteAsync action executes on normal completion, propagating
3421	<	* source result.
3420	>	* minimalCompletionStage returns a CompletableFuture that is
3421	>	* completed normally, with the same value, when source is.
3422		*/
3423	<	public void testWhenCompleteAsync1e() {
3237	<	final AtomicInteger a = new AtomicInteger();
3238	<	ThreadExecutor exec = new ThreadExecutor();
3423	>	public void testMinimalCompletionStage() {
3424		CompletableFuture<Integer> f = new CompletableFuture<>();
3425	<	CompletableFuture<Integer> g =
3426	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3427	<	exec);
3428	<	f.complete(three);
3429	<	checkCompletedNormally(f, three);
3430	<	checkCompletedNormally(g, three);
3431	<	assertEquals(a.get(), 1);
3425	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3426	>	AtomicInteger x = new AtomicInteger(0);
3427	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3428	>	checkIncomplete(f);
3429	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3430	>	f.complete(1);
3431	>	checkCompletedNormally(f, 1);
3432	>	assertEquals(x.get(), 1);
3433	>	assertNull(r.get());
3434		}
3435
3436		/**
3437	<	* whenCompleteAsync action executes on exceptional completion, propagating
3438	<	* source result.
3437	>	* minimalCompletionStage returns a CompletableFuture that is
3438	>	* completed exceptionally when source is.
3439		*/
3440	<	public void testWhenCompleteAsync2e() {
3254	<	final AtomicInteger a = new AtomicInteger();
3255	<	ThreadExecutor exec = new ThreadExecutor();
3440	>	public void testMinimalCompletionStage2() {
3441		CompletableFuture<Integer> f = new CompletableFuture<>();
3442	<	CompletableFuture<Integer> g =
3443	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3444	<	exec);
3445	<	f.completeExceptionally(new CFException());
3446	<	checkCompletedWithWrappedCFException(f);
3447	<	checkCompletedWithWrappedCFException(g);
3442	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3443	>	AtomicInteger x = new AtomicInteger(0);
3444	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3445	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3446	>	checkIncomplete(f);
3447	>	CFException ex = new CFException();
3448	>	f.completeExceptionally(ex);
3449	>	checkCompletedExceptionally(f, ex);
3450	>	assertEquals(x.get(), 0);
3451	>	assertEquals(r.get().getCause(), ex);
3452		}
3453
3454		/**
3455	<	* If a whenCompleteAsync action throws an exception when triggered
3456	<	* by a normal completion, it completes exceptionally
3455	>	* failedStage returns a CompletionStage completed
3456	>	* exceptionally with the given Exception
3457		*/
3458	<	public void testWhenCompleteAsync3e() {
3459	<	ThreadExecutor exec = new ThreadExecutor();
3458	>	public void testFailedStage() {
3459	>	CFException ex = new CFException();
3460	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3461	>	AtomicInteger x = new AtomicInteger(0);
3462	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3463	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3464	>	assertEquals(x.get(), 0);
3465	>	assertEquals(r.get(), ex);
3466	>	}
3467	>
3468	>	/**
3469	>	* completeAsync completes with value of given supplier
3470	>	*/
3471	>	public void testCompleteAsync() {
3472	>	for (Integer v1 : new Integer[] { 1, null })
3473	>	{
3474		CompletableFuture<Integer> f = new CompletableFuture<>();
3475	<	CompletableFuture<Integer> g =
3476	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3477	<	{ throw new CFException(); },
3478	<	exec);
3479	<	f.complete(three);
3480	<	checkCompletedNormally(f, three);
3481	<	checkCompletedWithWrappedCFException(g);
3475	>	f.completeAsync(() -> v1);
3476	>	f.join();
3477	>	checkCompletedNormally(f, v1);
3478	>	}}
3479	>
3480	>	/**
3481	>	* completeAsync completes exceptionally if given supplier throws
3482	>	*/
3483	>	public void testCompleteAsync2() {
3484	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3485	>	CFException ex = new CFException();
3486	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3487	>	try {
3488	>	f.join();
3489	>	shouldThrow();
3490	>	} catch (CompletionException success) {}
3491	>	checkCompletedWithWrappedException(f, ex);
3492		}
3493
3494		/**
3495	<	* handleAsync action completes normally with function value on
3283	<	* either normal or exceptional completion of source
3495	>	* completeAsync with given executor completes with value of given supplier
3496		*/
3497	<	public void testHandleAsync() {
3498	<	CompletableFuture<Integer> f, g;
3499	<	IntegerHandler r;
3497	>	public void testCompleteAsync3() {
3498	>	for (Integer v1 : new Integer[] { 1, null })
3499	>	{
3500	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3501	>	ThreadExecutor executor = new ThreadExecutor();
3502	>	f.completeAsync(() -> v1, executor);
3503	>	assertSame(v1, f.join());
3504	>	checkCompletedNormally(f, v1);
3505	>	assertEquals(1, executor.count.get());
3506	>	}}
3507
3508	<	f = new CompletableFuture<>();
3509	<	g = f.handleAsync(r = new IntegerHandler());
3510	<	assertFalse(r.ran);
3511	<	f.completeExceptionally(new CFException());
3512	<	checkCompletedWithWrappedCFException(f);
3513	<	checkCompletedNormally(g, three);
3514	<	assertTrue(r.ran);
3508	>	/**
3509	>	* completeAsync with given executor completes exceptionally if
3510	>	* given supplier throws
3511	>	*/
3512	>	public void testCompleteAsync4() {
3513	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3514	>	CFException ex = new CFException();
3515	>	ThreadExecutor executor = new ThreadExecutor();
3516	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3517	>	try {
3518	>	f.join();
3519	>	shouldThrow();
3520	>	} catch (CompletionException success) {}
3521	>	checkCompletedWithWrappedException(f, ex);
3522	>	assertEquals(1, executor.count.get());
3523	>	}
3524
3525	<	f = new CompletableFuture<>();
3526	<	g = f.handleAsync(r = new IntegerHandler());
3527	<	assertFalse(r.ran);
3528	<	f.completeExceptionally(new CFException());
3529	<	checkCompletedWithWrappedCFException(f);
3530	<	checkCompletedNormally(g, three);
3531	<	assertTrue(r.ran);
3525	>	/**
3526	>	* orTimeout completes with TimeoutException if not complete
3527	>	*/
3528	>	public void testOrTimeout_timesOut() {
3529	>	long timeoutMillis = timeoutMillis();
3530	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3531	>	long startTime = System.nanoTime();
3532	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3533	>	checkCompletedWithTimeoutException(f);
3534	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3535	>	}
3536
3537	<	f = new CompletableFuture<>();
3538	<	g = f.handleAsync(r = new IntegerHandler());
3539	<	assertFalse(r.ran);
3540	<	f.complete(one);
3541	<	checkCompletedNormally(f, one);
3542	<	checkCompletedNormally(g, two);
3543	<	assertTrue(r.ran);
3537	>	/**
3538	>	* orTimeout completes normally if completed before timeout
3539	>	*/
3540	>	public void testOrTimeout_completed() {
3541	>	for (Integer v1 : new Integer[] { 1, null })
3542	>	{
3543	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3544	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3545	>	long startTime = System.nanoTime();
3546	>	f.complete(v1);
3547	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3548	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3549	>	g.complete(v1);
3550	>	checkCompletedNormally(f, v1);
3551	>	checkCompletedNormally(g, v1);
3552	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3553	>	}}
3554
3555	<	f = new CompletableFuture<>();
3556	<	g = f.handleAsync(r = new IntegerHandler());
3557	<	assertFalse(r.ran);
3558	<	f.complete(one);
3559	<	checkCompletedNormally(f, one);
3560	<	checkCompletedNormally(g, two);
3561	<	assertTrue(r.ran);
3555	>	/**
3556	>	* completeOnTimeout completes with given value if not complete
3557	>	*/
3558	>	public void testCompleteOnTimeout_timesOut() {
3559	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3560	>	() -> testCompleteOnTimeout_timesOut(null));
3561	>	}
3562	>
3563	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3564	>	long timeoutMillis = timeoutMillis();
3565	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3566	>	long startTime = System.nanoTime();
3567	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3568	>	assertSame(v, f.join());
3569	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3570	>	f.complete(99);         // should have no effect
3571	>	checkCompletedNormally(f, v);
3572		}
3573
3574		/**
3575	<	* handleAsync action with Executor completes normally with
3324	<	* function value on either normal or exceptional completion of
3325	<	* source
3575	>	* completeOnTimeout has no effect if completed within timeout
3576		*/
3577	<	public void testHandleAsync2() {
3578	<	CompletableFuture<Integer> f, g;
3579	<	ThreadExecutor exec = new ThreadExecutor();
3580	<	IntegerHandler r;
3577	>	public void testCompleteOnTimeout_completed() {
3578	>	for (Integer v1 : new Integer[] { 1, null })
3579	>	{
3580	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3581	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3582	>	long startTime = System.nanoTime();
3583	>	f.complete(v1);
3584	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3585	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3586	>	g.complete(v1);
3587	>	checkCompletedNormally(f, v1);
3588	>	checkCompletedNormally(g, v1);
3589	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3590	>	}}
3591
3592	<	f = new CompletableFuture<>();
3593	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3594	<	assertFalse(r.ran);
3595	<	f.completeExceptionally(new CFException());
3596	<	checkCompletedWithWrappedCFException(f);
3597	<	checkCompletedNormally(g, three);
3598	<	assertTrue(r.ran);
3592	>	/**
3593	>	* delayedExecutor returns an executor that delays submission
3594	>	*/
3595	>	public void testDelayedExecutor() {
3596	>	testInParallel(() -> testDelayedExecutor(null, null),
3597	>	() -> testDelayedExecutor(null, 1),
3598	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3599	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3600	>	}
3601	>
3602	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3603	>	long timeoutMillis = timeoutMillis();
3604	>	// Use an "unreasonably long" long timeout to catch lingering threads
3605	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3606	>	final Executor delayer, longDelayer;
3607	>	if (executor == null) {
3608	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3609	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3610	>	} else {
3611	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3612	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3613	>	}
3614	>	long startTime = System.nanoTime();
3615	>	CompletableFuture<Integer> f =
3616	>	CompletableFuture.supplyAsync(() -> v, delayer);
3617	>	CompletableFuture<Integer> g =
3618	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3619
3620	<	f = new CompletableFuture<>();
3341	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3342	<	assertFalse(r.ran);
3343	<	f.completeExceptionally(new CFException());
3344	<	checkCompletedWithWrappedCFException(f);
3345	<	checkCompletedNormally(g, three);
3346	<	assertTrue(r.ran);
3620	>	assertNull(g.getNow(null));
3621
3622	<	f = new CompletableFuture<>();
3623	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3624	<	assertFalse(r.ran);
3625	<	f.complete(one);
3352	<	checkCompletedNormally(f, one);
3353	<	checkCompletedNormally(g, two);
3354	<	assertTrue(r.ran);
3622	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3623	>	long millisElapsed = millisElapsedSince(startTime);
3624	>	assertTrue(millisElapsed >= timeoutMillis);
3625	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3626
3627	<	f = new CompletableFuture<>();
3628	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3629	<	assertFalse(r.ran);
3630	<	f.complete(one);
3631	<	checkCompletedNormally(f, one);
3632	<	checkCompletedNormally(g, two);
3633	<	assertTrue(r.ran);
3627	>	checkCompletedNormally(f, v);
3628	>
3629	>	checkIncomplete(g);
3630	>	assertTrue(g.cancel(true));
3631	>	}
3632	>
3633	>	//--- tests of implementation details; not part of official tck ---
3634	>
3635	>	Object resultOf(CompletableFuture<?> f) {
3636	>	try {
3637	>	java.lang.reflect.Field resultField
3638	>	= CompletableFuture.class.getDeclaredField("result");
3639	>	resultField.setAccessible(true);
3640	>	return resultField.get(f);
3641	>	} catch (Throwable t) { throw new AssertionError(t); }
3642	>	}
3643	>
3644	>	public void testExceptionPropagationReusesResultObject() {
3645	>	if (!testImplementationDetails) return;
3646	>	for (ExecutionMode m : ExecutionMode.values())
3647	>	{
3648	>	final CFException ex = new CFException();
3649	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3650	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3651	>
3652	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3653	>	= new ArrayList<>();
3654	>
3655	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3656	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3657	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3658	>
3659	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3660	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3661	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3662	>
3663	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3664	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3665	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3666	>
3667	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3668	>
3669	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3670	>
3671	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3672	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3673	>
3674	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3675	>	fun : funs) {
3676	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3677	>	f.completeExceptionally(ex);
3678	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3679	>	checkCompletedWithWrappedException(src, ex);
3680	>	CompletableFuture<?> dep = fun.apply(src);
3681	>	checkCompletedWithWrappedException(dep, ex);
3682	>	assertSame(resultOf(src), resultOf(dep));
3683	>	}
3684	>
3685	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3686	>	fun : funs) {
3687	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3688	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3689	>	CompletableFuture<?> dep = fun.apply(src);
3690	>	f.completeExceptionally(ex);
3691	>	checkCompletedWithWrappedException(src, ex);
3692	>	checkCompletedWithWrappedException(dep, ex);
3693	>	assertSame(resultOf(src), resultOf(dep));
3694	>	}
3695	>
3696	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3697	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3698	>	fun : funs) {
3699	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3700	>	f.cancel(mayInterruptIfRunning);
3701	>	checkCancelled(f);
3702	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3703	>	checkCompletedWithWrappedCancellationException(src);
3704	>	CompletableFuture<?> dep = fun.apply(src);
3705	>	checkCompletedWithWrappedCancellationException(dep);
3706	>	assertSame(resultOf(src), resultOf(dep));
3707	>	}
3708	>
3709	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3710	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3711	>	fun : funs) {
3712	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3713	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3714	>	CompletableFuture<?> dep = fun.apply(src);
3715	>	f.cancel(mayInterruptIfRunning);
3716	>	checkCancelled(f);
3717	>	checkCompletedWithWrappedCancellationException(src);
3718	>	checkCompletedWithWrappedCancellationException(dep);
3719	>	assertSame(resultOf(src), resultOf(dep));
3720	>	}
3721	>	}}
3722	>
3723	>	/**
3724	>	* Minimal completion stages throw UOE for all non-CompletionStage methods
3725	>	*/
3726	>	public void testMinimalCompletionStage_minimality() {
3727	>	if (!testImplementationDetails) return;
3728	>	Function<Method, String> toSignature =
3729	>	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3730	>	Predicate<Method> isNotStatic =
3731	>	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3732	>	List<Method> minimalMethods =
3733	>	Stream.of(Object.class, CompletionStage.class)
3734	>	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3735	>	.filter(isNotStatic)
3736	>	.collect(Collectors.toList());
3737	>	// Methods from CompletableFuture permitted NOT to throw UOE
3738	>	String[] signatureWhitelist = {
3739	>	"newIncompleteFuture[]",
3740	>	"defaultExecutor[]",
3741	>	"minimalCompletionStage[]",
3742	>	"copy[]",
3743	>	};
3744	>	Set<String> permittedMethodSignatures =
3745	>	Stream.concat(minimalMethods.stream().map(toSignature),
3746	>	Stream.of(signatureWhitelist))
3747	>	.collect(Collectors.toSet());
3748	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3749	>	.filter(isNotStatic)
3750	>	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3751	>	.collect(Collectors.toList());
3752	>
3753	>	CompletionStage<Integer> minimalStage =
3754	>	new CompletableFuture<Integer>().minimalCompletionStage();
3755	>
3756	>	List<Method> bugs = new ArrayList<>();
3757	>	for (Method method : allMethods) {
3758	>	Class<?>[] parameterTypes = method.getParameterTypes();
3759	>	Object[] args = new Object[parameterTypes.length];
3760	>	// Manufacture boxed primitives for primitive params
3761	>	for (int i = 0; i < args.length; i++) {
3762	>	Class<?> type = parameterTypes[i];
3763	>	if (parameterTypes[i] == boolean.class)
3764	>	args[i] = false;
3765	>	else if (parameterTypes[i] == int.class)
3766	>	args[i] = 0;
3767	>	else if (parameterTypes[i] == long.class)
3768	>	args[i] = 0L;
3769	>	}
3770	>	try {
3771	>	method.invoke(minimalStage, args);
3772	>	bugs.add(method);
3773	>	}
3774	>	catch (java.lang.reflect.InvocationTargetException expected) {
3775	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3776	>	bugs.add(method);
3777	>	// expected.getCause().printStackTrace();
3778	>	}
3779	>	}
3780	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3781	>	}
3782	>	if (!bugs.isEmpty())
3783	>	throw new Error("Methods did not throw UOE: " + bugs.toString());
3784		}
3785
3786	+	static class Monad {
3787	+	static class ZeroException extends RuntimeException {
3788	+	public ZeroException() { super("monadic zero"); }
3789	+	}
3790	+	// "return", "unit"
3791	+	static <T> CompletableFuture<T> unit(T value) {
3792	+	return completedFuture(value);
3793	+	}
3794	+	// monadic zero ?
3795	+	static <T> CompletableFuture<T> zero() {
3796	+	return failedFuture(new ZeroException());
3797	+	}
3798	+	// >=>
3799	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3800	+	(Function<T, CompletableFuture<U>> f,
3801	+	Function<U, CompletableFuture<V>> g) {
3802	+	return (x) -> f.apply(x).thenCompose(g);
3803	+	}
3804	+
3805	+	static void assertZero(CompletableFuture<?> f) {
3806	+	try {
3807	+	f.getNow(null);
3808	+	throw new AssertionFailedError("should throw");
3809	+	} catch (CompletionException success) {
3810	+	assertTrue(success.getCause() instanceof ZeroException);
3811	+	}
3812	+	}
3813	+
3814	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
3815	+	CompletableFuture<T> g) {
3816	+	T fval = null, gval = null;
3817	+	Throwable fex = null, gex = null;
3818	+
3819	+	try { fval = f.get(); }
3820	+	catch (ExecutionException ex) { fex = ex.getCause(); }
3821	+	catch (Throwable ex) { fex = ex; }
3822	+
3823	+	try { gval = g.get(); }
3824	+	catch (ExecutionException ex) { gex = ex.getCause(); }
3825	+	catch (Throwable ex) { gex = ex; }
3826	+
3827	+	if (fex != null || gex != null)
3828	+	assertSame(fex.getClass(), gex.getClass());
3829	+	else
3830	+	assertEquals(fval, gval);
3831	+	}
3832	+
3833	+	static class PlusFuture<T> extends CompletableFuture<T> {
3834	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3835	+	}
3836	+
3837	+	/** Implements "monadic plus". */
3838	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3839	+	CompletableFuture<? extends T> g) {
3840	+	PlusFuture<T> plus = new PlusFuture<T>();
3841	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3842	+	try {
3843	+	if (ex == null) {
3844	+	if (plus.complete(result))
3845	+	if (plus.firstFailure.get() != null)
3846	+	plus.firstFailure.set(null);
3847	+	}
3848	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
3849	+	if (plus.isDone())
3850	+	plus.firstFailure.set(null);
3851	+	}
3852	+	else {
3853	+	// first failure has precedence
3854	+	Throwable first = plus.firstFailure.getAndSet(null);
3855	+
3856	+	// may fail with "Self-suppression not permitted"
3857	+	try { first.addSuppressed(ex); }
3858	+	catch (Exception ignored) {}
3859	+
3860	+	plus.completeExceptionally(first);
3861	+	}
3862	+	} catch (Throwable unexpected) {
3863	+	plus.completeExceptionally(unexpected);
3864	+	}
3865	+	};
3866	+	f.whenComplete(action);
3867	+	g.whenComplete(action);
3868	+	return plus;
3869	+	}
3870	+	}
3871	+
3872	+	/**
3873	+	* CompletableFuture is an additive monad - sort of.
3874	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3875	+	*/
3876	+	public void testAdditiveMonad() throws Throwable {
3877	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3878	+	CompletableFuture<Long> zero = Monad.zero();
3879	+
3880	+	// Some mutually non-commutative functions
3881	+	Function<Long, CompletableFuture<Long>> triple
3882	+	= (x) -> Monad.unit(3 * x);
3883	+	Function<Long, CompletableFuture<Long>> inc
3884	+	= (x) -> Monad.unit(x + 1);
3885	+
3886	+	// unit is a right identity: m >>= unit === m
3887	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3888	+	inc.apply(5L));
3889	+	// unit is a left identity: (unit x) >>= f === f x
3890	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3891	+	inc.apply(5L));
3892	+
3893	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3894	+	Monad.assertFutureEquals(
3895	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3896	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3897	+
3898	+	// The case for CompletableFuture as an additive monad is weaker...
3899	+
3900	+	// zero is a monadic zero
3901	+	Monad.assertZero(zero);
3902	+
3903	+	// left zero: zero >>= f === zero
3904	+	Monad.assertZero(zero.thenCompose(inc));
3905	+	// right zero: f >>= (\x -> zero) === zero
3906	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3907	+
3908	+	// f plus zero === f
3909	+	Monad.assertFutureEquals(Monad.unit(5L),
3910	+	Monad.plus(Monad.unit(5L), zero));
3911	+	// zero plus f === f
3912	+	Monad.assertFutureEquals(Monad.unit(5L),
3913	+	Monad.plus(zero, Monad.unit(5L)));
3914	+	// zero plus zero === zero
3915	+	Monad.assertZero(Monad.plus(zero, zero));
3916	+	{
3917	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3918	+	Monad.unit(8L));
3919	+	// non-determinism
3920	+	assertTrue(f.get() == 5L || f.get() == 8L);
3921	+	}
3922	+
3923	+	CompletableFuture<Long> godot = new CompletableFuture<>();
3924	+	// f plus godot === f (doesn't wait for godot)
3925	+	Monad.assertFutureEquals(Monad.unit(5L),
3926	+	Monad.plus(Monad.unit(5L), godot));
3927	+	// godot plus f === f (doesn't wait for godot)
3928	+	Monad.assertFutureEquals(Monad.unit(5L),
3929	+	Monad.plus(godot, Monad.unit(5L)));
3930	+	}
3931	+
3932	+	/**
3933	+	* A single CompletableFuture with many dependents.
3934	+	* A demo of scalability - runtime is O(n).
3935	+	*/
3936	+	public void testManyDependents() throws Throwable {
3937	+	final int n = 1_000;
3938	+	final CompletableFuture<Void> head = new CompletableFuture<>();
3939	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
3940	+	final AtomicInteger count = new AtomicInteger(0);
3941	+	for (int i = 0; i < n; i++) {
3942	+	head.thenRun(() -> count.getAndIncrement());
3943	+	head.thenAccept((x) -> count.getAndIncrement());
3944	+	head.thenApply((x) -> count.getAndIncrement());
3945	+
3946	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
3947	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
3948	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
3949	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
3950	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
3951	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
3952	+
3953	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
3954	+	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3955	+	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3956	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
3957	+	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
3958	+	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
3959	+	}
3960	+	head.complete(null);
3961	+	assertEquals(5 * 3 * n, count.get());
3962	+	}
3963	+
3964	+	//     static <U> U join(CompletionStage<U> stage) {
3965	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3966	+	//         stage.whenComplete((v, ex) -> {
3967	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3968	+	//         });
3969	+	//         return f.join();
3970	+	//     }
3971	+
3972	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
3973	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3974	+	//         stage.whenComplete((v, ex) -> {
3975	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3976	+	//         });
3977	+	//         return f.isDone();
3978	+	//     }
3979	+
3980	+	//     static <U> U join2(CompletionStage<U> stage) {
3981	+	//         return stage.toCompletableFuture().copy().join();
3982	+	//     }
3983	+
3984	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3985	+	//         return stage.toCompletableFuture().copy().isDone();
3986	+	//     }
3987	+
3988		}

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