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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.34 by jsr166, Sun Jun 1 21:17:05 2014 UTC vs.
Revision 1.149 by jsr166, Sun Jun 26 16:01:17 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	>	assertEquals(defaultExecutorIsCommonPool,
644	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
645	>	}
646	>	public CompletableFuture<Void> runAsync(Runnable a) {
647	>	return CompletableFuture.runAsync(a);
648	>	}
649	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
650	>	return CompletableFuture.supplyAsync(a);
651	>	}
652	>	public <T> CompletableFuture<Void> thenRun
653	>	(CompletableFuture<T> f, Runnable a) {
654	>	return f.thenRunAsync(a);
655	>	}
656	>	public <T> CompletableFuture<Void> thenAccept
657	>	(CompletableFuture<T> f, Consumer<? super T> a) {
658	>	return f.thenAcceptAsync(a);
659	>	}
660	>	public <T,U> CompletableFuture<U> thenApply
661	>	(CompletableFuture<T> f, Function<? super T,U> a) {
662	>	return f.thenApplyAsync(a);
663	>	}
664	>	public <T,U> CompletableFuture<U> thenCompose
665	>	(CompletableFuture<T> f,
666	>	Function<? super T,? extends CompletionStage<U>> a) {
667	>	return f.thenComposeAsync(a);
668	>	}
669	>	public <T,U> CompletableFuture<U> handle
670	>	(CompletableFuture<T> f,
671	>	BiFunction<? super T,Throwable,? extends U> a) {
672	>	return f.handleAsync(a);
673	>	}
674	>	public <T> CompletableFuture<T> whenComplete
675	>	(CompletableFuture<T> f,
676	>	BiConsumer<? super T,? super Throwable> a) {
677	>	return f.whenCompleteAsync(a);
678	>	}
679		public <T,U> CompletableFuture<Void> runAfterBoth
680	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
681	<	return f.runAfterBothAsync(g, r);
680	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
681	>	return f.runAfterBothAsync(g, a);
682	>	}
683	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
684	>	(CompletableFuture<T> f,
685	>	CompletionStage<? extends U> g,
686	>	BiConsumer<? super T,? super U> a) {
687	>	return f.thenAcceptBothAsync(g, a);
688	>	}
689	>	public <T,U,V> CompletableFuture<V> thenCombine
690	>	(CompletableFuture<T> f,
691	>	CompletionStage<? extends U> g,
692	>	BiFunction<? super T,? super U,? extends V> a) {
693	>	return f.thenCombineAsync(g, a);
694	>	}
695	>	public <T> CompletableFuture<Void> runAfterEither
696	>	(CompletableFuture<T> f,
697	>	CompletionStage<?> g,
698	>	java.lang.Runnable a) {
699	>	return f.runAfterEitherAsync(g, a);
700	>	}
701	>	public <T> CompletableFuture<Void> acceptEither
702	>	(CompletableFuture<T> f,
703	>	CompletionStage<? extends T> g,
704	>	Consumer<? super T> a) {
705	>	return f.acceptEitherAsync(g, a);
706	>	}
707	>	public <T,U> CompletableFuture<U> applyToEither
708	>	(CompletableFuture<T> f,
709	>	CompletionStage<? extends T> g,
710	>	Function<? super T,U> a) {
711	>	return f.applyToEitherAsync(g, a);
712		}
713		},
714
715		EXECUTOR {
716	+	public void checkExecutionMode() {
717	+	assertTrue(ThreadExecutor.startedCurrentThread());
718	+	}
719	+	public CompletableFuture<Void> runAsync(Runnable a) {
720	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
721	+	}
722	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
723	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
724	+	}
725	+	public <T> CompletableFuture<Void> thenRun
726	+	(CompletableFuture<T> f, Runnable a) {
727	+	return f.thenRunAsync(a, new ThreadExecutor());
728	+	}
729	+	public <T> CompletableFuture<Void> thenAccept
730	+	(CompletableFuture<T> f, Consumer<? super T> a) {
731	+	return f.thenAcceptAsync(a, new ThreadExecutor());
732	+	}
733	+	public <T,U> CompletableFuture<U> thenApply
734	+	(CompletableFuture<T> f, Function<? super T,U> a) {
735	+	return f.thenApplyAsync(a, new ThreadExecutor());
736	+	}
737	+	public <T,U> CompletableFuture<U> thenCompose
738	+	(CompletableFuture<T> f,
739	+	Function<? super T,? extends CompletionStage<U>> a) {
740	+	return f.thenComposeAsync(a, new ThreadExecutor());
741	+	}
742	+	public <T,U> CompletableFuture<U> handle
743	+	(CompletableFuture<T> f,
744	+	BiFunction<? super T,Throwable,? extends U> a) {
745	+	return f.handleAsync(a, new ThreadExecutor());
746	+	}
747	+	public <T> CompletableFuture<T> whenComplete
748	+	(CompletableFuture<T> f,
749	+	BiConsumer<? super T,? super Throwable> a) {
750	+	return f.whenCompleteAsync(a, new ThreadExecutor());
751	+	}
752		public <T,U> CompletableFuture<Void> runAfterBoth
753	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
754	<	return f.runAfterBothAsync(g, r, new ThreadExecutor());
753	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
754	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
755	>	}
756	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
757	>	(CompletableFuture<T> f,
758	>	CompletionStage<? extends U> g,
759	>	BiConsumer<? super T,? super U> a) {
760	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
761	>	}
762	>	public <T,U,V> CompletableFuture<V> thenCombine
763	>	(CompletableFuture<T> f,
764	>	CompletionStage<? extends U> g,
765	>	BiFunction<? super T,? super U,? extends V> a) {
766	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
767	>	}
768	>	public <T> CompletableFuture<Void> runAfterEither
769	>	(CompletableFuture<T> f,
770	>	CompletionStage<?> g,
771	>	java.lang.Runnable a) {
772	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
773	>	}
774	>	public <T> CompletableFuture<Void> acceptEither
775	>	(CompletableFuture<T> f,
776	>	CompletionStage<? extends T> g,
777	>	Consumer<? super T> a) {
778	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
779	>	}
780	>	public <T,U> CompletableFuture<U> applyToEither
781	>	(CompletableFuture<T> f,
782	>	CompletionStage<? extends T> g,
783	>	Function<? super T,U> a) {
784	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
785		}
786		};
787
788	+	public abstract void checkExecutionMode();
789	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
790	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
791	+	public abstract <T> CompletableFuture<Void> thenRun
792	+	(CompletableFuture<T> f, Runnable a);
793	+	public abstract <T> CompletableFuture<Void> thenAccept
794	+	(CompletableFuture<T> f, Consumer<? super T> a);
795	+	public abstract <T,U> CompletableFuture<U> thenApply
796	+	(CompletableFuture<T> f, Function<? super T,U> a);
797	+	public abstract <T,U> CompletableFuture<U> thenCompose
798	+	(CompletableFuture<T> f,
799	+	Function<? super T,? extends CompletionStage<U>> a);
800	+	public abstract <T,U> CompletableFuture<U> handle
801	+	(CompletableFuture<T> f,
802	+	BiFunction<? super T,Throwable,? extends U> a);
803	+	public abstract <T> CompletableFuture<T> whenComplete
804	+	(CompletableFuture<T> f,
805	+	BiConsumer<? super T,? super Throwable> a);
806		public abstract <T,U> CompletableFuture<Void> runAfterBoth
807	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r);
807	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
808	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
809	>	(CompletableFuture<T> f,
810	>	CompletionStage<? extends U> g,
811	>	BiConsumer<? super T,? super U> a);
812	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
813	>	(CompletableFuture<T> f,
814	>	CompletionStage<? extends U> g,
815	>	BiFunction<? super T,? super U,? extends V> a);
816	>	public abstract <T> CompletableFuture<Void> runAfterEither
817	>	(CompletableFuture<T> f,
818	>	CompletionStage<?> g,
819	>	java.lang.Runnable a);
820	>	public abstract <T> CompletableFuture<Void> acceptEither
821	>	(CompletableFuture<T> f,
822	>	CompletionStage<? extends T> g,
823	>	Consumer<? super T> a);
824	>	public abstract <T,U> CompletableFuture<U> applyToEither
825	>	(CompletableFuture<T> f,
826	>	CompletionStage<? extends T> g,
827	>	Function<? super T,U> a);
828		}
829
830		/**
831	<	* runAfterBoth result completes normally after normal
832	<	* completion of sources
831	>	* exceptionally action is not invoked when source completes
832	>	* normally, and source result is propagated
833		*/
834	<	public void testRunAfterBoth_normalCompletion1() {
835	<	for (ExecutionMode m : ExecutionMode.values())
834	>	public void testExceptionally_normalCompletion() {
835	>	for (boolean createIncomplete : new boolean[] { true, false })
836		for (Integer v1 : new Integer[] { 1, null })
837	<	for (Integer v2 : new Integer[] { 2, null }) {
838	<
837	>	{
838	>	final AtomicInteger a = new AtomicInteger(0);
839		final CompletableFuture<Integer> f = new CompletableFuture<>();
840	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
841	<	final Noop r = new Noop();
842	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
843	<
844	<	f.complete(v1);
845	<	checkIncomplete(h);
846	<	assertFalse(r.ran);
847	<	g.complete(v2);
840	>	if (!createIncomplete) assertTrue(f.complete(v1));
841	>	final CompletableFuture<Integer> g = f.exceptionally
842	>	((Throwable t) -> {
843	>	a.getAndIncrement();
844	>	threadFail("should not be called");
845	>	return null;            // unreached
846	>	});
847	>	if (createIncomplete) assertTrue(f.complete(v1));
848
849	<	checkCompletedNormally(h, null);
999	<	assertTrue(r.ran);
849	>	checkCompletedNormally(g, v1);
850		checkCompletedNormally(f, v1);
851	<	checkCompletedNormally(g, v2);
852	<	}
1003	<	}
851	>	assertEquals(0, a.get());
852	>	}}
853
854	<	public void testRunAfterBoth_normalCompletion2() {
855	<	for (ExecutionMode m : ExecutionMode.values())
854	>	/**
855	>	* exceptionally action completes with function value on source
856	>	* exception
857	>	*/
858	>	public void testExceptionally_exceptionalCompletion() {
859	>	for (boolean createIncomplete : new boolean[] { true, false })
860		for (Integer v1 : new Integer[] { 1, null })
861	<	for (Integer v2 : new Integer[] { 2, null }) {
862	<
861	>	{
862	>	final AtomicInteger a = new AtomicInteger(0);
863	>	final CFException ex = new CFException();
864		final CompletableFuture<Integer> f = new CompletableFuture<>();
865	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
866	<	final Noop r = new Noop();
867	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
868	<
869	<	g.complete(v2);
870	<	checkIncomplete(h);
871	<	assertFalse(r.ran);
872	<	f.complete(v1);
873	<
1020	<	checkCompletedNormally(h, null);
1021	<	assertTrue(r.ran);
1022	<	checkCompletedNormally(f, v1);
1023	<	checkCompletedNormally(g, v2);
1024	<	}
1025	<	}
865	>	if (!createIncomplete) f.completeExceptionally(ex);
866	>	final CompletableFuture<Integer> g = f.exceptionally
867	>	((Throwable t) -> {
868	>	ExecutionMode.SYNC.checkExecutionMode();
869	>	threadAssertSame(t, ex);
870	>	a.getAndIncrement();
871	>	return v1;
872	>	});
873	>	if (createIncomplete) f.completeExceptionally(ex);
874
875	<	public void testRunAfterBoth_normalCompletion3() {
876	<	for (ExecutionMode m : ExecutionMode.values())
877	<	for (Integer v1 : new Integer[] { 1, null })
1030	<	for (Integer v2 : new Integer[] { 2, null }) {
875	>	checkCompletedNormally(g, v1);
876	>	assertEquals(1, a.get());
877	>	}}
878
879	+	/**
880	+	* If an "exceptionally action" throws an exception, it completes
881	+	* exceptionally with that exception
882	+	*/
883	+	public void testExceptionally_exceptionalCompletionActionFailed() {
884	+	for (boolean createIncomplete : new boolean[] { true, false })
885	+	{
886	+	final AtomicInteger a = new AtomicInteger(0);
887	+	final CFException ex1 = new CFException();
888	+	final CFException ex2 = new CFException();
889		final CompletableFuture<Integer> f = new CompletableFuture<>();
890	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
891	<	final Noop r = new Noop();
892	<
893	<	g.complete(v2);
894	<	f.complete(v1);
895	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
896	<
897	<	checkCompletedNormally(h, null);
898	<	assertTrue(r.ran);
899	<	checkCompletedNormally(f, v1);
900	<	checkCompletedNormally(g, v2);
901	<	}
902	<	}
890	>	if (!createIncomplete) f.completeExceptionally(ex1);
891	>	final CompletableFuture<Integer> g = f.exceptionally
892	>	((Throwable t) -> {
893	>	ExecutionMode.SYNC.checkExecutionMode();
894	>	threadAssertSame(t, ex1);
895	>	a.getAndIncrement();
896	>	throw ex2;
897	>	});
898	>	if (createIncomplete) f.completeExceptionally(ex1);
899	>
900	>	checkCompletedWithWrappedException(g, ex2);
901	>	checkCompletedExceptionally(f, ex1);
902	>	assertEquals(1, a.get());
903	>	}}
904
905	<	public void testRunAfterBoth_normalCompletion4() {
905	>	/**
906	>	* whenComplete action executes on normal completion, propagating
907	>	* source result.
908	>	*/
909	>	public void testWhenComplete_normalCompletion() {
910		for (ExecutionMode m : ExecutionMode.values())
911	+	for (boolean createIncomplete : new boolean[] { true, false })
912		for (Integer v1 : new Integer[] { 1, null })
913	<	for (Integer v2 : new Integer[] { 2, null }) {
914	<
913	>	{
914	>	final AtomicInteger a = new AtomicInteger(0);
915		final CompletableFuture<Integer> f = new CompletableFuture<>();
916	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
917	<	final Noop r = new Noop();
916	>	if (!createIncomplete) assertTrue(f.complete(v1));
917	>	final CompletableFuture<Integer> g = m.whenComplete
918	>	(f,
919	>	(Integer result, Throwable t) -> {
920	>	m.checkExecutionMode();
921	>	threadAssertSame(result, v1);
922	>	threadAssertNull(t);
923	>	a.getAndIncrement();
924	>	});
925	>	if (createIncomplete) assertTrue(f.complete(v1));
926
927	<	f.complete(v1);
1057	<	g.complete(v2);
1058	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1059	<
1060	<	checkCompletedNormally(h, null);
1061	<	assertTrue(r.ran);
927	>	checkCompletedNormally(g, v1);
928		checkCompletedNormally(f, v1);
929	<	checkCompletedNormally(g, v2);
930	<	}
1065	<	}
929	>	assertEquals(1, a.get());
930	>	}}
931
932		/**
933	<	* runAfterBoth result completes exceptionally after exceptional
934	<	* completion of either source
933	>	* whenComplete action executes on exceptional completion, propagating
934	>	* source result.
935		*/
936	<	public void testRunAfterBoth_exceptionalCompletion1() {
936	>	public void testWhenComplete_exceptionalCompletion() {
937		for (ExecutionMode m : ExecutionMode.values())
938	<	for (Integer v1 : new Integer[] { 1, null }) {
939	<
940	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1076	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1077	<	final Noop r = new Noop();
1078	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
938	>	for (boolean createIncomplete : new boolean[] { true, false })
939	>	{
940	>	final AtomicInteger a = new AtomicInteger(0);
941		final CFException ex = new CFException();
942	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
943	+	if (!createIncomplete) f.completeExceptionally(ex);
944	+	final CompletableFuture<Integer> g = m.whenComplete
945	+	(f,
946	+	(Integer result, Throwable t) -> {
947	+	m.checkExecutionMode();
948	+	threadAssertNull(result);
949	+	threadAssertSame(t, ex);
950	+	a.getAndIncrement();
951	+	});
952	+	if (createIncomplete) f.completeExceptionally(ex);
953	+
954	+	checkCompletedWithWrappedException(g, ex);
955	+	checkCompletedExceptionally(f, ex);
956	+	assertEquals(1, a.get());
957	+	}}
958
959	<	f.completeExceptionally(ex);
960	<	checkIncomplete(h);
961	<	g.complete(v1);
962	<
963	<	checkCompletedWithWrappedCFException(h, ex);
1086	<	checkCompletedWithWrappedCFException(f, ex);
1087	<	assertFalse(r.ran);
1088	<	checkCompletedNormally(g, v1);
1089	<	}
1090	<	}
1091	<
1092	<	public void testRunAfterBoth_exceptionalCompletion2() {
959	>	/**
960	>	* whenComplete action executes on cancelled source, propagating
961	>	* CancellationException.
962	>	*/
963	>	public void testWhenComplete_sourceCancelled() {
964		for (ExecutionMode m : ExecutionMode.values())
965	<	for (Integer v1 : new Integer[] { 1, null }) {
966	<
965	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
966	>	for (boolean createIncomplete : new boolean[] { true, false })
967	>	{
968	>	final AtomicInteger a = new AtomicInteger(0);
969		final CompletableFuture<Integer> f = new CompletableFuture<>();
970	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
971	<	final Noop r = new Noop();
972	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
973	<	final CFException ex = new CFException();
970	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
971	>	final CompletableFuture<Integer> g = m.whenComplete
972	>	(f,
973	>	(Integer result, Throwable t) -> {
974	>	m.checkExecutionMode();
975	>	threadAssertNull(result);
976	>	threadAssertTrue(t instanceof CancellationException);
977	>	a.getAndIncrement();
978	>	});
979	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
980
981	<	g.completeExceptionally(ex);
982	<	checkIncomplete(h);
983	<	f.complete(v1);
984	<
1106	<	checkCompletedWithWrappedCFException(h, ex);
1107	<	checkCompletedWithWrappedCFException(g, ex);
1108	<	assertFalse(r.ran);
1109	<	checkCompletedNormally(f, v1);
1110	<	}
1111	<	}
981	>	checkCompletedWithWrappedCancellationException(g);
982	>	checkCancelled(f);
983	>	assertEquals(1, a.get());
984	>	}}
985
986	<	public void testRunAfterBoth_exceptionalCompletion3() {
986	>	/**
987	>	* If a whenComplete action throws an exception when triggered by
988	>	* a normal completion, it completes exceptionally
989	>	*/
990	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
991	>	for (boolean createIncomplete : new boolean[] { true, false })
992		for (ExecutionMode m : ExecutionMode.values())
993	<	for (Integer v1 : new Integer[] { 1, null }) {
994	<
995	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1118	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1119	<	final Noop r = new Noop();
993	>	for (Integer v1 : new Integer[] { 1, null })
994	>	{
995	>	final AtomicInteger a = new AtomicInteger(0);
996		final CFException ex = new CFException();
997	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
998	+	if (!createIncomplete) assertTrue(f.complete(v1));
999	+	final CompletableFuture<Integer> g = m.whenComplete
1000	+	(f,
1001	+	(Integer result, Throwable t) -> {
1002	+	m.checkExecutionMode();
1003	+	threadAssertSame(result, v1);
1004	+	threadAssertNull(t);
1005	+	a.getAndIncrement();
1006	+	throw ex;
1007	+	});
1008	+	if (createIncomplete) assertTrue(f.complete(v1));
1009
1010	<	g.completeExceptionally(ex);
1123	<	f.complete(v1);
1124	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1125	<
1126	<	checkCompletedWithWrappedCFException(h, ex);
1127	<	checkCompletedWithWrappedCFException(g, ex);
1128	<	assertFalse(r.ran);
1010	>	checkCompletedWithWrappedException(g, ex);
1011		checkCompletedNormally(f, v1);
1012	<	}
1013	<	}
1012	>	assertEquals(1, a.get());
1013	>	}}
1014
1015	<	public void testRunAfterBoth_exceptionalCompletion4() {
1015	>	/**
1016	>	* If a whenComplete action throws an exception when triggered by
1017	>	* a source completion that also throws an exception, the source
1018	>	* exception takes precedence (unlike handle)
1019	>	*/
1020	>	public void testWhenComplete_sourceFailedActionFailed() {
1021	>	for (boolean createIncomplete : new boolean[] { true, false })
1022		for (ExecutionMode m : ExecutionMode.values())
1023	<	for (Integer v1 : new Integer[] { 1, null }) {
1024	<
1023	>	{
1024	>	final AtomicInteger a = new AtomicInteger(0);
1025	>	final CFException ex1 = new CFException();
1026	>	final CFException ex2 = new CFException();
1027		final CompletableFuture<Integer> f = new CompletableFuture<>();
1138	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1139	–	final Noop r = new Noop();
1140	–	final CFException ex = new CFException();
1141	–
1142	–	f.completeExceptionally(ex);
1143	–	g.complete(v1);
1144	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1028
1029	<	checkCompletedWithWrappedCFException(h, ex);
1030	<	checkCompletedWithWrappedCFException(f, ex);
1031	<	assertFalse(r.ran);
1032	<	checkCompletedNormally(g, v1);
1029	>	if (!createIncomplete) f.completeExceptionally(ex1);
1030	>	final CompletableFuture<Integer> g = m.whenComplete
1031	>	(f,
1032	>	(Integer result, Throwable t) -> {
1033	>	m.checkExecutionMode();
1034	>	threadAssertSame(t, ex1);
1035	>	threadAssertNull(result);
1036	>	a.getAndIncrement();
1037	>	throw ex2;
1038	>	});
1039	>	if (createIncomplete) f.completeExceptionally(ex1);
1040	>
1041	>	checkCompletedWithWrappedException(g, ex1);
1042	>	checkCompletedExceptionally(f, ex1);
1043	>	if (testImplementationDetails) {
1044	>	assertEquals(1, ex1.getSuppressed().length);
1045	>	assertSame(ex2, ex1.getSuppressed()[0]);
1046		}
1047	<	}
1047	>	assertEquals(1, a.get());
1048	>	}}
1049
1050		/**
1051	<	* runAfterBoth result completes exceptionally if action does
1051	>	* handle action completes normally with function value on normal
1052	>	* completion of source
1053		*/
1054	<	public void testRunAfterBoth_actionFailed1() {
1054	>	public void testHandle_normalCompletion() {
1055		for (ExecutionMode m : ExecutionMode.values())
1056	+	for (boolean createIncomplete : new boolean[] { true, false })
1057		for (Integer v1 : new Integer[] { 1, null })
1058	<	for (Integer v2 : new Integer[] { 2, null }) {
1160	<
1058	>	{
1059		final CompletableFuture<Integer> f = new CompletableFuture<>();
1060	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1061	<	final FailingNoop r = new FailingNoop();
1062	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1063	<
1064	<	f.complete(v1);
1065	<	checkIncomplete(h);
1066	<	g.complete(v2);
1060	>	final AtomicInteger a = new AtomicInteger(0);
1061	>	if (!createIncomplete) assertTrue(f.complete(v1));
1062	>	final CompletableFuture<Integer> g = m.handle
1063	>	(f,
1064	>	(Integer result, Throwable t) -> {
1065	>	m.checkExecutionMode();
1066	>	threadAssertSame(result, v1);
1067	>	threadAssertNull(t);
1068	>	a.getAndIncrement();
1069	>	return inc(v1);
1070	>	});
1071	>	if (createIncomplete) assertTrue(f.complete(v1));
1072
1073	<	checkCompletedWithWrappedCFException(h);
1073	>	checkCompletedNormally(g, inc(v1));
1074		checkCompletedNormally(f, v1);
1075	<	checkCompletedNormally(g, v2);
1076	<	}
1174	<	}
1075	>	assertEquals(1, a.get());
1076	>	}}
1077
1078	<	public void testRunAfterBoth_actionFailed2() {
1078	>	/**
1079	>	* handle action completes normally with function value on
1080	>	* exceptional completion of source
1081	>	*/
1082	>	public void testHandle_exceptionalCompletion() {
1083		for (ExecutionMode m : ExecutionMode.values())
1084	+	for (boolean createIncomplete : new boolean[] { true, false })
1085		for (Integer v1 : new Integer[] { 1, null })
1086	<	for (Integer v2 : new Integer[] { 2, null }) {
1180	<
1086	>	{
1087		final CompletableFuture<Integer> f = new CompletableFuture<>();
1088	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1089	<	final FailingNoop r = new FailingNoop();
1090	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1091	<
1092	<	g.complete(v2);
1093	<	checkIncomplete(h);
1094	<	f.complete(v1);
1088	>	final AtomicInteger a = new AtomicInteger(0);
1089	>	final CFException ex = new CFException();
1090	>	if (!createIncomplete) f.completeExceptionally(ex);
1091	>	final CompletableFuture<Integer> g = m.handle
1092	>	(f,
1093	>	(Integer result, Throwable t) -> {
1094	>	m.checkExecutionMode();
1095	>	threadAssertNull(result);
1096	>	threadAssertSame(t, ex);
1097	>	a.getAndIncrement();
1098	>	return v1;
1099	>	});
1100	>	if (createIncomplete) f.completeExceptionally(ex);
1101
1102	<	checkCompletedWithWrappedCFException(h);
1103	<	checkCompletedNormally(f, v1);
1104	<	checkCompletedNormally(g, v2);
1105	<	}
1194	<	}
1102	>	checkCompletedNormally(g, v1);
1103	>	checkCompletedExceptionally(f, ex);
1104	>	assertEquals(1, a.get());
1105	>	}}
1106
1107		/**
1108	<	* runAfterBoth result completes exceptionally if either source cancelled
1108	>	* handle action completes normally with function value on
1109	>	* cancelled source
1110		*/
1111	<	public void testRunAfterBoth_sourceCancelled1() {
1111	>	public void testHandle_sourceCancelled() {
1112		for (ExecutionMode m : ExecutionMode.values())
1113		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1114	<	for (Integer v1 : new Integer[] { 1, null }) {
1115	<
1114	>	for (boolean createIncomplete : new boolean[] { true, false })
1115	>	for (Integer v1 : new Integer[] { 1, null })
1116	>	{
1117		final CompletableFuture<Integer> f = new CompletableFuture<>();
1118	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1119	<	final Noop r = new Noop();
1120	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1118	>	final AtomicInteger a = new AtomicInteger(0);
1119	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1120	>	final CompletableFuture<Integer> g = m.handle
1121	>	(f,
1122	>	(Integer result, Throwable t) -> {
1123	>	m.checkExecutionMode();
1124	>	threadAssertNull(result);
1125	>	threadAssertTrue(t instanceof CancellationException);
1126	>	a.getAndIncrement();
1127	>	return v1;
1128	>	});
1129	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1130
1209	–	assertTrue(f.cancel(mayInterruptIfRunning));
1210	–	checkIncomplete(h);
1211	–	g.complete(v1);
1212	–
1213	–	checkCompletedWithWrappedCancellationException(h);
1214	–	checkCancelled(f);
1215	–	assertFalse(r.ran);
1131		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);
1132		checkCancelled(f);
1133	<	assertFalse(r.ran);
1134	<	checkCompletedNormally(g, v1);
1278	<	}
1279	<	}
1133	>	assertEquals(1, a.get());
1134	>	}}
1135
1136		/**
1137	<	* applyToEither result completes normally after normal completion
1138	<	* of either source
1137	>	* If a "handle action" throws an exception when triggered by
1138	>	* a normal completion, it completes exceptionally
1139		*/
1140	<	public void testApplyToEither() {
1141	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1142	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1143	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1144	<	f.complete(one);
1145	<	checkCompletedNormally(g, two);
1146	<	f2.complete(one);
1147	<	checkCompletedNormally(g, two);
1140	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1141	>	for (ExecutionMode m : ExecutionMode.values())
1142	>	for (boolean createIncomplete : new boolean[] { true, false })
1143	>	for (Integer v1 : new Integer[] { 1, null })
1144	>	{
1145	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1146	>	final AtomicInteger a = new AtomicInteger(0);
1147	>	final CFException ex = new CFException();
1148	>	if (!createIncomplete) assertTrue(f.complete(v1));
1149	>	final CompletableFuture<Integer> g = m.handle
1150	>	(f,
1151	>	(Integer result, Throwable t) -> {
1152	>	m.checkExecutionMode();
1153	>	threadAssertSame(result, v1);
1154	>	threadAssertNull(t);
1155	>	a.getAndIncrement();
1156	>	throw ex;
1157	>	});
1158	>	if (createIncomplete) assertTrue(f.complete(v1));
1159
1160	<	f = new CompletableFuture<>();
1161	<	f.complete(one);
1162	<	f2 = new CompletableFuture<>();
1163	<	g = f.applyToEither(f2, inc);
1298	<	checkCompletedNormally(g, two);
1299	<	}
1160	>	checkCompletedWithWrappedException(g, ex);
1161	>	checkCompletedNormally(f, v1);
1162	>	assertEquals(1, a.get());
1163	>	}}
1164
1165		/**
1166	<	* applyToEither result completes exceptionally after exceptional
1167	<	* completion of either source
1166	>	* If a "handle action" throws an exception when triggered by
1167	>	* a source completion that also throws an exception, the action
1168	>	* exception takes precedence (unlike whenComplete)
1169		*/
1170	<	public void testApplyToEither2() {
1171	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1172	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1173	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1174	<	f.completeExceptionally(new CFException());
1175	<	f2.complete(one);
1176	<	checkCompletedWithWrappedCFException(g);
1170	>	public void testHandle_sourceFailedActionFailed() {
1171	>	for (boolean createIncomplete : new boolean[] { true, false })
1172	>	for (ExecutionMode m : ExecutionMode.values())
1173	>	{
1174	>	final AtomicInteger a = new AtomicInteger(0);
1175	>	final CFException ex1 = new CFException();
1176	>	final CFException ex2 = new CFException();
1177	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1178
1179	<	f = new CompletableFuture<>();
1180	<	f2 = new CompletableFuture<>();
1181	<	f2.completeExceptionally(new CFException());
1182	<	g = f.applyToEither(f2, inc);
1183	<	checkCompletedWithWrappedCFException(g);
1184	<	}
1179	>	if (!createIncomplete) f.completeExceptionally(ex1);
1180	>	final CompletableFuture<Integer> g = m.handle
1181	>	(f,
1182	>	(Integer result, Throwable t) -> {
1183	>	m.checkExecutionMode();
1184	>	threadAssertNull(result);
1185	>	threadAssertSame(ex1, t);
1186	>	a.getAndIncrement();
1187	>	throw ex2;
1188	>	});
1189	>	if (createIncomplete) f.completeExceptionally(ex1);
1190	>
1191	>	checkCompletedWithWrappedException(g, ex2);
1192	>	checkCompletedExceptionally(f, ex1);
1193	>	assertEquals(1, a.get());
1194	>	}}
1195
1196		/**
1197	<	* applyToEither result completes exceptionally if action does
1197	>	* runAsync completes after running Runnable
1198		*/
1199	<	public void testApplyToEither3() {
1200	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1201	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1202	<	FailingFunction r = new FailingFunction();
1203	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
1204	<	f2.complete(two);
1205	<	checkCompletedWithWrappedCFException(g);
1206	<	}
1199	>	public void testRunAsync_normalCompletion() {
1200	>	ExecutionMode[] executionModes = {
1201	>	ExecutionMode.ASYNC,
1202	>	ExecutionMode.EXECUTOR,
1203	>	};
1204	>	for (ExecutionMode m : executionModes)
1205	>	{
1206	>	final Noop r = new Noop(m);
1207	>	final CompletableFuture<Void> f = m.runAsync(r);
1208	>	assertNull(f.join());
1209	>	checkCompletedNormally(f, null);
1210	>	r.assertInvoked();
1211	>	}}
1212
1213		/**
1214	<	* applyToEither result completes exceptionally if either source cancelled
1214	>	* failing runAsync completes exceptionally after running Runnable
1215		*/
1216	<	public void testApplyToEither4() {
1217	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1218	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1219	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1220	<	assertTrue(f.cancel(true));
1221	<	checkCompletedWithWrappedCancellationException(g);
1222	<	f = new CompletableFuture<>();
1223	<	f2 = new CompletableFuture<>();
1224	<	assertTrue(f2.cancel(true));
1225	<	checkCompletedWithWrappedCancellationException(g);
1226	<	}
1216	>	public void testRunAsync_exceptionalCompletion() {
1217	>	ExecutionMode[] executionModes = {
1218	>	ExecutionMode.ASYNC,
1219	>	ExecutionMode.EXECUTOR,
1220	>	};
1221	>	for (ExecutionMode m : executionModes)
1222	>	{
1223	>	final FailingRunnable r = new FailingRunnable(m);
1224	>	final CompletableFuture<Void> f = m.runAsync(r);
1225	>	checkCompletedWithWrappedCFException(f);
1226	>	r.assertInvoked();
1227	>	}}
1228
1229		/**
1230	<	* acceptEither result completes normally after normal completion
1349	<	* of either source
1230	>	* supplyAsync completes with result of supplier
1231		*/
1232	<	public void testAcceptEither() {
1233	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1234	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1235	<	IncAction r = new IncAction();
1236	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1237	<	f.complete(one);
1238	<	checkCompletedNormally(g, null);
1239	<	f2.complete(one);
1240	<	checkCompletedNormally(g, null);
1241	<	assertEquals(r.value, 2);
1242	<
1243	<	r = new IncAction();
1244	<	f = new CompletableFuture<>();
1245	<	f.complete(one);
1365	<	f2 = new CompletableFuture<>();
1366	<	g = f.acceptEither(f2, r);
1367	<	checkCompletedNormally(g, null);
1368	<	assertEquals(r.value, 2);
1369	<	}
1232	>	public void testSupplyAsync_normalCompletion() {
1233	>	ExecutionMode[] executionModes = {
1234	>	ExecutionMode.ASYNC,
1235	>	ExecutionMode.EXECUTOR,
1236	>	};
1237	>	for (ExecutionMode m : executionModes)
1238	>	for (Integer v1 : new Integer[] { 1, null })
1239	>	{
1240	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1241	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1242	>	assertSame(v1, f.join());
1243	>	checkCompletedNormally(f, v1);
1244	>	r.assertInvoked();
1245	>	}}
1246
1247		/**
1248	<	* acceptEither result completes exceptionally after exceptional
1373	<	* completion of either source
1248	>	* Failing supplyAsync completes exceptionally
1249		*/
1250	<	public void testAcceptEither2() {
1251	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1252	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1253	<	IncAction r = new IncAction();
1254	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1255	<	f.completeExceptionally(new CFException());
1256	<	f2.complete(one);
1257	<	checkCompletedWithWrappedCFException(g);
1250	>	public void testSupplyAsync_exceptionalCompletion() {
1251	>	ExecutionMode[] executionModes = {
1252	>	ExecutionMode.ASYNC,
1253	>	ExecutionMode.EXECUTOR,
1254	>	};
1255	>	for (ExecutionMode m : executionModes)
1256	>	{
1257	>	FailingSupplier r = new FailingSupplier(m);
1258	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1259	>	checkCompletedWithWrappedCFException(f);
1260	>	r.assertInvoked();
1261	>	}}
1262
1263	<	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	<	}
1263	>	// seq completion methods
1264
1265		/**
1266	<	* acceptEither result completes exceptionally if action does
1266	>	* thenRun result completes normally after normal completion of source
1267		*/
1268	<	public void testAcceptEither3() {
1269	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1270	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1271	<	FailingConsumer r = new FailingConsumer();
1272	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1273	<	f2.complete(two);
1274	<	checkCompletedWithWrappedCFException(g);
1402	<	}
1268	>	public void testThenRun_normalCompletion() {
1269	>	for (ExecutionMode m : ExecutionMode.values())
1270	>	for (Integer v1 : new Integer[] { 1, null })
1271	>	{
1272	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1273	>	final Noop[] rs = new Noop[6];
1274	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1275
1276	<	/**
1277	<	* acceptEither result completes exceptionally if either source cancelled
1278	<	*/
1279	<	public void testAcceptEither4() {
1280	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1281	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1282	<	IncAction r = new IncAction();
1283	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1284	<	assertTrue(f.cancel(true));
1285	<	checkCompletedWithWrappedCancellationException(g);
1286	<	f = new CompletableFuture<>();
1287	<	f2 = new CompletableFuture<>();
1288	<	assertTrue(f2.cancel(true));
1289	<	checkCompletedWithWrappedCancellationException(g);
1290	<	}
1276	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1277	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1278	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1279	>	checkIncomplete(h0);
1280	>	checkIncomplete(h1);
1281	>	checkIncomplete(h2);
1282	>	assertTrue(f.complete(v1));
1283	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1284	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1285	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1286	>
1287	>	checkCompletedNormally(h0, null);
1288	>	checkCompletedNormally(h1, null);
1289	>	checkCompletedNormally(h2, null);
1290	>	checkCompletedNormally(h3, null);
1291	>	checkCompletedNormally(h4, null);
1292	>	checkCompletedNormally(h5, null);
1293	>	checkCompletedNormally(f, v1);
1294	>	for (Noop r : rs) r.assertInvoked();
1295	>	}}
1296
1297		/**
1298	<	* runAfterEither result completes normally after normal completion
1299	<	* of either source
1298	>	* thenRun result completes exceptionally after exceptional
1299	>	* completion of source
1300		*/
1301	<	public void testRunAfterEither() {
1302	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1303	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1304	<	Noop r = new Noop();
1305	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1306	<	f.complete(one);
1307	<	checkCompletedNormally(g, null);
1431	<	f2.complete(one);
1432	<	checkCompletedNormally(g, null);
1433	<	assertTrue(r.ran);
1301	>	public void testThenRun_exceptionalCompletion() {
1302	>	for (ExecutionMode m : ExecutionMode.values())
1303	>	{
1304	>	final CFException ex = new CFException();
1305	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1306	>	final Noop[] rs = new Noop[6];
1307	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1308
1309	<	r = new Noop();
1310	<	f = new CompletableFuture<>();
1311	<	f.complete(one);
1312	<	f2 = new CompletableFuture<>();
1313	<	g = f.runAfterEither(f2, r);
1314	<	checkCompletedNormally(g, null);
1315	<	assertTrue(r.ran);
1316	<	}
1309	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1310	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1311	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1312	>	checkIncomplete(h0);
1313	>	checkIncomplete(h1);
1314	>	checkIncomplete(h2);
1315	>	assertTrue(f.completeExceptionally(ex));
1316	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1317	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1318	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1319	>
1320	>	checkCompletedWithWrappedException(h0, ex);
1321	>	checkCompletedWithWrappedException(h1, ex);
1322	>	checkCompletedWithWrappedException(h2, ex);
1323	>	checkCompletedWithWrappedException(h3, ex);
1324	>	checkCompletedWithWrappedException(h4, ex);
1325	>	checkCompletedWithWrappedException(h5, ex);
1326	>	checkCompletedExceptionally(f, ex);
1327	>	for (Noop r : rs) r.assertNotInvoked();
1328	>	}}
1329
1330		/**
1331	<	* runAfterEither result completes exceptionally after exceptional
1446	<	* completion of either source
1331	>	* thenRun result completes exceptionally if source cancelled
1332		*/
1333	<	public void testRunAfterEither2() {
1334	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1335	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1336	<	Noop r = new Noop();
1337	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1338	<	f.completeExceptionally(new CFException());
1339	<	f2.complete(one);
1455	<	checkCompletedWithWrappedCFException(g);
1333	>	public void testThenRun_sourceCancelled() {
1334	>	for (ExecutionMode m : ExecutionMode.values())
1335	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1336	>	{
1337	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1338	>	final Noop[] rs = new Noop[6];
1339	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1340
1341	<	r = new Noop();
1342	<	f = new CompletableFuture<>();
1343	<	f2 = new CompletableFuture<>();
1344	<	f2.completeExceptionally(new CFException());
1345	<	g = f.runAfterEither(f2, r);
1346	<	checkCompletedWithWrappedCFException(g);
1347	<	}
1341	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1342	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1343	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1344	>	checkIncomplete(h0);
1345	>	checkIncomplete(h1);
1346	>	checkIncomplete(h2);
1347	>	assertTrue(f.cancel(mayInterruptIfRunning));
1348	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1349	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1350	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1351	>
1352	>	checkCompletedWithWrappedCancellationException(h0);
1353	>	checkCompletedWithWrappedCancellationException(h1);
1354	>	checkCompletedWithWrappedCancellationException(h2);
1355	>	checkCompletedWithWrappedCancellationException(h3);
1356	>	checkCompletedWithWrappedCancellationException(h4);
1357	>	checkCompletedWithWrappedCancellationException(h5);
1358	>	checkCancelled(f);
1359	>	for (Noop r : rs) r.assertNotInvoked();
1360	>	}}
1361
1362		/**
1363	<	* runAfterEither result completes exceptionally if action does
1363	>	* thenRun result completes exceptionally if action does
1364		*/
1365	<	public void testRunAfterEither3() {
1366	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1367	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1368	<	FailingNoop r = new FailingNoop();
1369	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1370	<	f2.complete(two);
1371	<	checkCompletedWithWrappedCFException(g);
1475	<	}
1365	>	public void testThenRun_actionFailed() {
1366	>	for (ExecutionMode m : ExecutionMode.values())
1367	>	for (Integer v1 : new Integer[] { 1, null })
1368	>	{
1369	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1370	>	final FailingRunnable[] rs = new FailingRunnable[6];
1371	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1372
1373	<	/**
1374	<	* runAfterEither result completes exceptionally if either source cancelled
1375	<	*/
1376	<	public void testRunAfterEither4() {
1377	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1378	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1379	<	Noop r = new Noop();
1380	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1381	<	assertTrue(f.cancel(true));
1382	<	checkCompletedWithWrappedCancellationException(g);
1383	<	f = new CompletableFuture<>();
1384	<	f2 = new CompletableFuture<>();
1385	<	assertTrue(f2.cancel(true));
1386	<	checkCompletedWithWrappedCancellationException(g);
1387	<	}
1373	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1374	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1375	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1376	>	assertTrue(f.complete(v1));
1377	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1378	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1379	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1380	>
1381	>	checkCompletedWithWrappedCFException(h0);
1382	>	checkCompletedWithWrappedCFException(h1);
1383	>	checkCompletedWithWrappedCFException(h2);
1384	>	checkCompletedWithWrappedCFException(h3);
1385	>	checkCompletedWithWrappedCFException(h4);
1386	>	checkCompletedWithWrappedCFException(h5);
1387	>	checkCompletedNormally(f, v1);
1388	>	}}
1389
1390		/**
1391	<	* thenCompose result completes normally after normal completion of source
1391	>	* thenApply result completes normally after normal completion of source
1392		*/
1393	<	public void testThenCompose() {
1394	<	CompletableFuture<Integer> f, g;
1395	<	CompletableFutureInc r;
1396	<
1397	<	f = new CompletableFuture<>();
1398	<	g = f.thenCompose(r = new CompletableFutureInc());
1399	<	f.complete(one);
1503	<	checkCompletedNormally(g, two);
1504	<	assertTrue(r.ran);
1393	>	public void testThenApply_normalCompletion() {
1394	>	for (ExecutionMode m : ExecutionMode.values())
1395	>	for (Integer v1 : new Integer[] { 1, null })
1396	>	{
1397	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1398	>	final IncFunction[] rs = new IncFunction[4];
1399	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1400
1401	<	f = new CompletableFuture<>();
1402	<	f.complete(one);
1403	<	g = f.thenCompose(r = new CompletableFutureInc());
1404	<	checkCompletedNormally(g, two);
1405	<	assertTrue(r.ran);
1406	<	}
1401	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1402	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1403	>	checkIncomplete(h0);
1404	>	checkIncomplete(h1);
1405	>	assertTrue(f.complete(v1));
1406	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1407	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1408	>
1409	>	checkCompletedNormally(h0, inc(v1));
1410	>	checkCompletedNormally(h1, inc(v1));
1411	>	checkCompletedNormally(h2, inc(v1));
1412	>	checkCompletedNormally(h3, inc(v1));
1413	>	checkCompletedNormally(f, v1);
1414	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1415	>	}}
1416
1417		/**
1418	<	* thenCompose result completes exceptionally after exceptional
1418	>	* thenApply result completes exceptionally after exceptional
1419		* completion of source
1420		*/
1421	<	public void testThenCompose2() {
1422	<	CompletableFuture<Integer> f, g;
1423	<	CompletableFutureInc r;
1424	<
1425	<	f = new CompletableFuture<>();
1426	<	g = f.thenCompose(r = new CompletableFutureInc());
1427	<	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);
1421	>	public void testThenApply_exceptionalCompletion() {
1422	>	for (ExecutionMode m : ExecutionMode.values())
1423	>	{
1424	>	final CFException ex = new CFException();
1425	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1426	>	final IncFunction[] rs = new IncFunction[4];
1427	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1428
1429	<	f = new CompletableFuture<>();
1430	<	f.complete(one);
1431	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1432	<	checkCompletedWithWrappedCFException(g);
1433	<	}
1429	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1430	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1431	>	assertTrue(f.completeExceptionally(ex));
1432	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1433	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1434	>
1435	>	checkCompletedWithWrappedException(h0, ex);
1436	>	checkCompletedWithWrappedException(h1, ex);
1437	>	checkCompletedWithWrappedException(h2, ex);
1438	>	checkCompletedWithWrappedException(h3, ex);
1439	>	checkCompletedExceptionally(f, ex);
1440	>	for (IncFunction r : rs) r.assertNotInvoked();
1441	>	}}
1442
1443		/**
1444	<	* thenCompose result completes exceptionally if source cancelled
1444	>	* thenApply result completes exceptionally if source cancelled
1445		*/
1446	<	public void testThenCompose4() {
1447	<	CompletableFuture<Integer> f, g;
1448	<	CompletableFutureInc r;
1449	<
1450	<	f = new CompletableFuture<>();
1451	<	g = f.thenCompose(r = new CompletableFutureInc());
1452	<	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
1446	>	public void testThenApply_sourceCancelled() {
1447	>	for (ExecutionMode m : ExecutionMode.values())
1448	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1449	>	{
1450	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1451	>	final IncFunction[] rs = new IncFunction[4];
1452	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1453
1454	<	/**
1455	<	* thenRunAsync result completes normally after normal completion of source
1456	<	*/
1457	<	public void testThenRunAsync() {
1458	<	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);
1454	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1455	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1456	>	assertTrue(f.cancel(mayInterruptIfRunning));
1457	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1458	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1459
1460	<	// reordered version
1461	<	f = new CompletableFuture<>();
1462	<	f.complete(null);
1463	<	r = new Noop();
1464	<	g = f.thenRunAsync(r);
1465	<	checkCompletedNormally(g, null);
1466	<	}
1460	>	checkCompletedWithWrappedCancellationException(h0);
1461	>	checkCompletedWithWrappedCancellationException(h1);
1462	>	checkCompletedWithWrappedCancellationException(h2);
1463	>	checkCompletedWithWrappedCancellationException(h3);
1464	>	checkCancelled(f);
1465	>	for (IncFunction r : rs) r.assertNotInvoked();
1466	>	}}
1467
1468		/**
1469	<	* thenRunAsync result completes exceptionally after exceptional
1590	<	* completion of source
1469	>	* thenApply result completes exceptionally if action does
1470		*/
1471	<	public void testThenRunAsync2() {
1472	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1473	<	Noop r = new Noop();
1474	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1475	<	f.completeExceptionally(new CFException());
1476	<	try {
1477	<	g.join();
1599	<	shouldThrow();
1600	<	} catch (CompletionException success) {}
1601	<	checkCompletedWithWrappedCFException(g);
1602	<	}
1471	>	public void testThenApply_actionFailed() {
1472	>	for (ExecutionMode m : ExecutionMode.values())
1473	>	for (Integer v1 : new Integer[] { 1, null })
1474	>	{
1475	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1476	>	final FailingFunction[] rs = new FailingFunction[4];
1477	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1478
1479	<	/**
1480	<	* thenRunAsync result completes exceptionally if action does
1481	<	*/
1482	<	public void testThenRunAsync3() {
1483	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1484	<	FailingNoop r = new FailingNoop();
1485	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1486	<	f.complete(null);
1487	<	checkCompletedWithWrappedCFException(g);
1488	<	}
1479	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1480	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1481	>	assertTrue(f.complete(v1));
1482	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1483	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1484	>
1485	>	checkCompletedWithWrappedCFException(h0);
1486	>	checkCompletedWithWrappedCFException(h1);
1487	>	checkCompletedWithWrappedCFException(h2);
1488	>	checkCompletedWithWrappedCFException(h3);
1489	>	checkCompletedNormally(f, v1);
1490	>	}}
1491
1492		/**
1493	<	* thenRunAsync result completes exceptionally if source cancelled
1493	>	* thenAccept result completes normally after normal completion of source
1494		*/
1495	<	public void testThenRunAsync4() {
1496	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1497	<	Noop r = new Noop();
1498	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1499	<	assertTrue(f.cancel(true));
1500	<	checkCompletedWithWrappedCancellationException(g);
1501	<	}
1495	>	public void testThenAccept_normalCompletion() {
1496	>	for (ExecutionMode m : ExecutionMode.values())
1497	>	for (Integer v1 : new Integer[] { 1, null })
1498	>	{
1499	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1500	>	final NoopConsumer[] rs = new NoopConsumer[4];
1501	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1502
1503	<	/**
1504	<	* thenApplyAsync result completes normally after normal completion of source
1505	<	*/
1506	<	public void testThenApplyAsync() {
1507	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1508	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1509	<	f.complete(one);
1510	<	checkCompletedNormally(g, two);
1511	<	}
1503	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1504	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1505	>	checkIncomplete(h0);
1506	>	checkIncomplete(h1);
1507	>	assertTrue(f.complete(v1));
1508	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1509	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1510	>
1511	>	checkCompletedNormally(h0, null);
1512	>	checkCompletedNormally(h1, null);
1513	>	checkCompletedNormally(h2, null);
1514	>	checkCompletedNormally(h3, null);
1515	>	checkCompletedNormally(f, v1);
1516	>	for (NoopConsumer r : rs) r.assertValue(v1);
1517	>	}}
1518
1519		/**
1520	<	* thenApplyAsync result completes exceptionally after exceptional
1520	>	* thenAccept result completes exceptionally after exceptional
1521		* completion of source
1522		*/
1523	<	public void testThenApplyAsync2() {
1524	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1525	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1526	<	f.completeExceptionally(new CFException());
1527	<	checkCompletedWithWrappedCFException(g);
1528	<	}
1523	>	public void testThenAccept_exceptionalCompletion() {
1524	>	for (ExecutionMode m : ExecutionMode.values())
1525	>	{
1526	>	final CFException ex = new CFException();
1527	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1528	>	final NoopConsumer[] rs = new NoopConsumer[4];
1529	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1530
1531	<	/**
1532	<	* thenApplyAsync result completes exceptionally if action does
1533	<	*/
1534	<	public void testThenApplyAsync3() {
1535	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1536	<	FailingFunction r = new FailingFunction();
1537	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1538	<	f.complete(null);
1539	<	checkCompletedWithWrappedCFException(g);
1540	<	}
1531	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1532	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1533	>	assertTrue(f.completeExceptionally(ex));
1534	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1535	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1536	>
1537	>	checkCompletedWithWrappedException(h0, ex);
1538	>	checkCompletedWithWrappedException(h1, ex);
1539	>	checkCompletedWithWrappedException(h2, ex);
1540	>	checkCompletedWithWrappedException(h3, ex);
1541	>	checkCompletedExceptionally(f, ex);
1542	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1543	>	}}
1544
1545		/**
1546	<	* thenApplyAsync result completes exceptionally if source cancelled
1546	>	* thenAccept result completes exceptionally if source cancelled
1547		*/
1548	<	public void testThenApplyAsync4() {
1549	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1550	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1551	<	assertTrue(f.cancel(true));
1552	<	checkCompletedWithWrappedCancellationException(g);
1553	<	}
1548	>	public void testThenAccept_sourceCancelled() {
1549	>	for (ExecutionMode m : ExecutionMode.values())
1550	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1551	>	{
1552	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1553	>	final NoopConsumer[] rs = new NoopConsumer[4];
1554	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1555
1556	<	/**
1557	<	* thenAcceptAsync result completes normally after normal
1558	<	* completion of source
1559	<	*/
1560	<	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	<	}
1556	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1557	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1558	>	assertTrue(f.cancel(mayInterruptIfRunning));
1559	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1560	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1561
1562	<	/**
1563	<	* thenAcceptAsync result completes exceptionally after exceptional
1564	<	* completion of source
1565	<	*/
1566	<	public void testThenAcceptAsync2() {
1567	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1568	<	IncAction r = new IncAction();
1688	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1689	<	f.completeExceptionally(new CFException());
1690	<	checkCompletedWithWrappedCFException(g);
1691	<	}
1562	>	checkCompletedWithWrappedCancellationException(h0);
1563	>	checkCompletedWithWrappedCancellationException(h1);
1564	>	checkCompletedWithWrappedCancellationException(h2);
1565	>	checkCompletedWithWrappedCancellationException(h3);
1566	>	checkCancelled(f);
1567	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1568	>	}}
1569
1570		/**
1571	<	* thenAcceptAsync result completes exceptionally if action does
1571	>	* thenAccept result completes exceptionally if action does
1572		*/
1573	<	public void testThenAcceptAsync3() {
1574	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1575	<	FailingConsumer r = new FailingConsumer();
1576	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1577	<	f.complete(null);
1578	<	checkCompletedWithWrappedCFException(g);
1579	<	}
1573	>	public void testThenAccept_actionFailed() {
1574	>	for (ExecutionMode m : ExecutionMode.values())
1575	>	for (Integer v1 : new Integer[] { 1, null })
1576	>	{
1577	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1578	>	final FailingConsumer[] rs = new FailingConsumer[4];
1579	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1580
1581	<	/**
1582	<	* thenAcceptAsync result completes exceptionally if source cancelled
1583	<	*/
1584	<	public void testThenAcceptAsync4() {
1585	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1586	<	IncAction r = new IncAction();
1587	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1588	<	assertTrue(f.cancel(true));
1589	<	checkCompletedWithWrappedCancellationException(g);
1590	<	}
1581	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1582	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1583	>	assertTrue(f.complete(v1));
1584	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1585	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1586	>
1587	>	checkCompletedWithWrappedCFException(h0);
1588	>	checkCompletedWithWrappedCFException(h1);
1589	>	checkCompletedWithWrappedCFException(h2);
1590	>	checkCompletedWithWrappedCFException(h3);
1591	>	checkCompletedNormally(f, v1);
1592	>	}}
1593
1594		/**
1595	<	* thenCombineAsync result completes normally after normal
1596	<	* completion of sources
1595	>	* thenCombine result completes normally after normal completion
1596	>	* of sources
1597		*/
1598	<	public void testThenCombineAsync() {
1599	<	CompletableFuture<Integer> f, g, h;
1600	<
1601	<	f = new CompletableFuture<>();
1602	<	g = new CompletableFuture<>();
1603	<	h = f.thenCombineAsync(g, subtract);
1604	<	f.complete(3);
1605	<	checkIncomplete(h);
1606	<	g.complete(1);
1607	<	checkCompletedNormally(h, 2);
1598	>	public void testThenCombine_normalCompletion() {
1599	>	for (ExecutionMode m : ExecutionMode.values())
1600	>	for (boolean fFirst : new boolean[] { true, false })
1601	>	for (Integer v1 : new Integer[] { 1, null })
1602	>	for (Integer v2 : new Integer[] { 2, null })
1603	>	{
1604	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1605	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1606	>	final SubtractFunction[] rs = new SubtractFunction[6];
1607	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1608
1609	<	f = new CompletableFuture<>();
1610	<	g = new CompletableFuture<>();
1611	<	h = f.thenCombineAsync(g, subtract);
1612	<	g.complete(1);
1613	<	checkIncomplete(h);
1614	<	f.complete(3);
1615	<	checkCompletedNormally(h, 2);
1609	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1610	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1611	>	final Integer w1 =  fFirst ? v1 : v2;
1612	>	final Integer w2 = !fFirst ? v1 : v2;
1613	>
1614	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1615	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1616	>	assertTrue(fst.complete(w1));
1617	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1618	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1619	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1620	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1621	>	checkCompletedNormally(h1, subtract(w1, w1));
1622	>	checkCompletedNormally(h3, subtract(w1, w1));
1623	>	rs[1].assertValue(subtract(w1, w1));
1624	>	rs[3].assertValue(subtract(w1, w1));
1625	>	assertTrue(snd.complete(w2));
1626	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1627	>
1628	>	checkCompletedNormally(h0, subtract(v1, v2));
1629	>	checkCompletedNormally(h2, subtract(v1, v2));
1630	>	checkCompletedNormally(h4, subtract(v1, v2));
1631	>	rs[0].assertValue(subtract(v1, v2));
1632	>	rs[2].assertValue(subtract(v1, v2));
1633	>	rs[4].assertValue(subtract(v1, v2));
1634
1635	<	f = new CompletableFuture<>();
1636	<	g = new CompletableFuture<>();
1637	<	g.complete(1);
1741	<	f.complete(3);
1742	<	h = f.thenCombineAsync(g, subtract);
1743	<	checkCompletedNormally(h, 2);
1744	<	}
1635	>	checkCompletedNormally(f, v1);
1636	>	checkCompletedNormally(g, v2);
1637	>	}}
1638
1639		/**
1640	<	* thenCombineAsync result completes exceptionally after exceptional
1640	>	* thenCombine result completes exceptionally after exceptional
1641		* completion of either source
1642		*/
1643	<	public void testThenCombineAsync2() {
1644	<	CompletableFuture<Integer> f, g, h;
1645	<
1646	<	f = new CompletableFuture<>();
1647	<	g = new CompletableFuture<>();
1648	<	h = f.thenCombineAsync(g, subtract);
1649	<	f.completeExceptionally(new CFException());
1650	<	checkIncomplete(h);
1651	<	g.complete(1);
1652	<	checkCompletedWithWrappedCFException(h);
1653	<
1654	<	f = new CompletableFuture<>();
1655	<	g = new CompletableFuture<>();
1656	<	h = f.thenCombineAsync(g, subtract);
1657	<	g.completeExceptionally(new CFException());
1658	<	checkIncomplete(h);
1659	<	f.complete(3);
1660	<	checkCompletedWithWrappedCFException(h);
1661	<
1662	<	f = new CompletableFuture<>();
1663	<	g = new CompletableFuture<>();
1664	<	g.completeExceptionally(new CFException());
1665	<	f.complete(3);
1666	<	h = f.thenCombineAsync(g, subtract);
1667	<	checkCompletedWithWrappedCFException(h);
1668	<	}
1669	<
1670	<	/**
1671	<	* thenCombineAsync result completes exceptionally if action does
1672	<	*/
1673	<	public void testThenCombineAsync3() {
1674	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1675	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1676	<	FailingBiFunction r = new FailingBiFunction();
1677	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1678	<	f.complete(one);
1679	<	checkIncomplete(g);
1680	<	assertFalse(r.ran);
1681	<	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	<	}
1643	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1644	>	for (ExecutionMode m : ExecutionMode.values())
1645	>	for (boolean fFirst : new boolean[] { true, false })
1646	>	for (boolean failFirst : new boolean[] { true, false })
1647	>	for (Integer v1 : new Integer[] { 1, null })
1648	>	{
1649	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1650	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1651	>	final CFException ex = new CFException();
1652	>	final SubtractFunction r1 = new SubtractFunction(m);
1653	>	final SubtractFunction r2 = new SubtractFunction(m);
1654	>	final SubtractFunction r3 = new SubtractFunction(m);
1655	>
1656	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1657	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1658	>	final Callable<Boolean> complete1 = failFirst ?
1659	>	() -> fst.completeExceptionally(ex) :
1660	>	() -> fst.complete(v1);
1661	>	final Callable<Boolean> complete2 = failFirst ?
1662	>	() -> snd.complete(v1) :
1663	>	() -> snd.completeExceptionally(ex);
1664	>
1665	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1666	>	assertTrue(complete1.call());
1667	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1668	>	checkIncomplete(h1);
1669	>	checkIncomplete(h2);
1670	>	assertTrue(complete2.call());
1671	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1672	>
1673	>	checkCompletedWithWrappedException(h1, ex);
1674	>	checkCompletedWithWrappedException(h2, ex);
1675	>	checkCompletedWithWrappedException(h3, ex);
1676	>	r1.assertNotInvoked();
1677	>	r2.assertNotInvoked();
1678	>	r3.assertNotInvoked();
1679	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1680	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1681	>	}}
1682
1683		/**
1684	<	* applyToEitherAsync result completes exceptionally if action does
1684	>	* thenCombine result completes exceptionally if either source cancelled
1685		*/
1686	<	public void testApplyToEitherAsync3() {
1687	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1688	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1689	<	FailingFunction r = new FailingFunction();
1690	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1691	<	f.complete(one);
1692	<	checkCompletedWithWrappedCFException(g);
1693	<	}
1686	>	public void testThenCombine_sourceCancelled() throws Throwable {
1687	>	for (ExecutionMode m : ExecutionMode.values())
1688	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1689	>	for (boolean fFirst : new boolean[] { true, false })
1690	>	for (boolean failFirst : new boolean[] { true, false })
1691	>	for (Integer v1 : new Integer[] { 1, null })
1692	>	{
1693	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1694	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1695	>	final SubtractFunction r1 = new SubtractFunction(m);
1696	>	final SubtractFunction r2 = new SubtractFunction(m);
1697	>	final SubtractFunction r3 = new SubtractFunction(m);
1698	>
1699	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1700	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1701	>	final Callable<Boolean> complete1 = failFirst ?
1702	>	() -> fst.cancel(mayInterruptIfRunning) :
1703	>	() -> fst.complete(v1);
1704	>	final Callable<Boolean> complete2 = failFirst ?
1705	>	() -> snd.complete(v1) :
1706	>	() -> snd.cancel(mayInterruptIfRunning);
1707	>
1708	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1709	>	assertTrue(complete1.call());
1710	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1711	>	checkIncomplete(h1);
1712	>	checkIncomplete(h2);
1713	>	assertTrue(complete2.call());
1714	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1715	>
1716	>	checkCompletedWithWrappedCancellationException(h1);
1717	>	checkCompletedWithWrappedCancellationException(h2);
1718	>	checkCompletedWithWrappedCancellationException(h3);
1719	>	r1.assertNotInvoked();
1720	>	r2.assertNotInvoked();
1721	>	r3.assertNotInvoked();
1722	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1723	>	checkCancelled(failFirst ? fst : snd);
1724	>	}}
1725
1726		/**
1727	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1727	>	* thenCombine result completes exceptionally if action does
1728		*/
1729	<	public void testApplyToEitherAsync4() {
1730	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1731	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1732	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1733	<	assertTrue(f.cancel(true));
1734	<	checkCompletedWithWrappedCancellationException(g);
1735	<
1736	<	f = new CompletableFuture<>();
1737	<	f2 = new CompletableFuture<>();
1738	<	assertTrue(f2.cancel(true));
1739	<	g = f.applyToEitherAsync(f2, inc);
1740	<	checkCompletedWithWrappedCancellationException(g);
1741	<	}
1729	>	public void testThenCombine_actionFailed() {
1730	>	for (ExecutionMode m : ExecutionMode.values())
1731	>	for (boolean fFirst : new boolean[] { true, false })
1732	>	for (Integer v1 : new Integer[] { 1, null })
1733	>	for (Integer v2 : new Integer[] { 2, null })
1734	>	{
1735	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1736	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1737	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1738	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1739	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1740	>
1741	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1742	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1743	>	final Integer w1 =  fFirst ? v1 : v2;
1744	>	final Integer w2 = !fFirst ? v1 : v2;
1745	>
1746	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1747	>	assertTrue(fst.complete(w1));
1748	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1749	>	assertTrue(snd.complete(w2));
1750	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1751	>
1752	>	checkCompletedWithWrappedCFException(h1);
1753	>	checkCompletedWithWrappedCFException(h2);
1754	>	checkCompletedWithWrappedCFException(h3);
1755	>	r1.assertInvoked();
1756	>	r2.assertInvoked();
1757	>	r3.assertInvoked();
1758	>	checkCompletedNormally(f, v1);
1759	>	checkCompletedNormally(g, v2);
1760	>	}}
1761
1762		/**
1763	<	* acceptEitherAsync result completes normally after normal
1763	>	* thenAcceptBoth result completes normally after normal
1764		* completion of sources
1765		*/
1766	<	public void testAcceptEitherAsync() {
1767	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1768	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1769	<	IncAction r = new IncAction();
1770	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1771	<	f.complete(one);
1772	<	checkCompletedNormally(g, null);
1773	<	assertEquals(r.value, 2);
1774	<
1775	<	r = new IncAction();
1776	<	f = new CompletableFuture<>();
1777	<	f.complete(one);
1778	<	f2 = new CompletableFuture<>();
1779	<	g = f.acceptEitherAsync(f2, r);
1780	<	checkCompletedNormally(g, null);
1781	<	assertEquals(r.value, 2);
1782	<	}
1766	>	public void testThenAcceptBoth_normalCompletion() {
1767	>	for (ExecutionMode m : ExecutionMode.values())
1768	>	for (boolean fFirst : new boolean[] { true, false })
1769	>	for (Integer v1 : new Integer[] { 1, null })
1770	>	for (Integer v2 : new Integer[] { 2, null })
1771	>	{
1772	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1773	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1774	>	final SubtractAction r1 = new SubtractAction(m);
1775	>	final SubtractAction r2 = new SubtractAction(m);
1776	>	final SubtractAction r3 = new SubtractAction(m);
1777	>
1778	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1779	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1780	>	final Integer w1 =  fFirst ? v1 : v2;
1781	>	final Integer w2 = !fFirst ? v1 : v2;
1782	>
1783	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1784	>	assertTrue(fst.complete(w1));
1785	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1786	>	checkIncomplete(h1);
1787	>	checkIncomplete(h2);
1788	>	r1.assertNotInvoked();
1789	>	r2.assertNotInvoked();
1790	>	assertTrue(snd.complete(w2));
1791	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1792	>
1793	>	checkCompletedNormally(h1, null);
1794	>	checkCompletedNormally(h2, null);
1795	>	checkCompletedNormally(h3, null);
1796	>	r1.assertValue(subtract(v1, v2));
1797	>	r2.assertValue(subtract(v1, v2));
1798	>	r3.assertValue(subtract(v1, v2));
1799	>	checkCompletedNormally(f, v1);
1800	>	checkCompletedNormally(g, v2);
1801	>	}}
1802
1803		/**
1804	<	* acceptEitherAsync result completes exceptionally after exceptional
1805	<	* completion of source
1804	>	* thenAcceptBoth result completes exceptionally after exceptional
1805	>	* completion of either source
1806		*/
1807	<	public void testAcceptEitherAsync2() {
1808	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1809	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1810	<	IncAction r = new IncAction();
1811	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1812	<	f.completeExceptionally(new CFException());
1813	<	checkCompletedWithWrappedCFException(g);
1814	<
1815	<	r = new IncAction();
1816	<	f = new CompletableFuture<>();
1817	<	f2 = new CompletableFuture<>();
1818	<	f2.completeExceptionally(new CFException());
1819	<	g = f.acceptEitherAsync(f2, r);
1820	<	f.complete(one);
1821	<	checkCompletedWithWrappedCFException(g);
1822	<	}
1807	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1808	>	for (ExecutionMode m : ExecutionMode.values())
1809	>	for (boolean fFirst : new boolean[] { true, false })
1810	>	for (boolean failFirst : new boolean[] { true, false })
1811	>	for (Integer v1 : new Integer[] { 1, null })
1812	>	{
1813	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1814	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1815	>	final CFException ex = new CFException();
1816	>	final SubtractAction r1 = new SubtractAction(m);
1817	>	final SubtractAction r2 = new SubtractAction(m);
1818	>	final SubtractAction r3 = new SubtractAction(m);
1819	>
1820	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1821	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1822	>	final Callable<Boolean> complete1 = failFirst ?
1823	>	() -> fst.completeExceptionally(ex) :
1824	>	() -> fst.complete(v1);
1825	>	final Callable<Boolean> complete2 = failFirst ?
1826	>	() -> snd.complete(v1) :
1827	>	() -> snd.completeExceptionally(ex);
1828	>
1829	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1830	>	assertTrue(complete1.call());
1831	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1832	>	checkIncomplete(h1);
1833	>	checkIncomplete(h2);
1834	>	assertTrue(complete2.call());
1835	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1836	>
1837	>	checkCompletedWithWrappedException(h1, ex);
1838	>	checkCompletedWithWrappedException(h2, ex);
1839	>	checkCompletedWithWrappedException(h3, ex);
1840	>	r1.assertNotInvoked();
1841	>	r2.assertNotInvoked();
1842	>	r3.assertNotInvoked();
1843	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1844	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1845	>	}}
1846
1847		/**
1848	<	* acceptEitherAsync result completes exceptionally if action does
1848	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1849		*/
1850	<	public void testAcceptEitherAsync3() {
1851	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1852	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1853	<	FailingConsumer r = new FailingConsumer();
1854	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1855	<	f.complete(one);
1856	<	checkCompletedWithWrappedCFException(g);
1857	<	}
1850	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1851	>	for (ExecutionMode m : ExecutionMode.values())
1852	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1853	>	for (boolean fFirst : new boolean[] { true, false })
1854	>	for (boolean failFirst : new boolean[] { true, false })
1855	>	for (Integer v1 : new Integer[] { 1, null })
1856	>	{
1857	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1858	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1859	>	final SubtractAction r1 = new SubtractAction(m);
1860	>	final SubtractAction r2 = new SubtractAction(m);
1861	>	final SubtractAction r3 = new SubtractAction(m);
1862	>
1863	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1864	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1865	>	final Callable<Boolean> complete1 = failFirst ?
1866	>	() -> fst.cancel(mayInterruptIfRunning) :
1867	>	() -> fst.complete(v1);
1868	>	final Callable<Boolean> complete2 = failFirst ?
1869	>	() -> snd.complete(v1) :
1870	>	() -> snd.cancel(mayInterruptIfRunning);
1871	>
1872	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1873	>	assertTrue(complete1.call());
1874	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1875	>	checkIncomplete(h1);
1876	>	checkIncomplete(h2);
1877	>	assertTrue(complete2.call());
1878	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1879	>
1880	>	checkCompletedWithWrappedCancellationException(h1);
1881	>	checkCompletedWithWrappedCancellationException(h2);
1882	>	checkCompletedWithWrappedCancellationException(h3);
1883	>	r1.assertNotInvoked();
1884	>	r2.assertNotInvoked();
1885	>	r3.assertNotInvoked();
1886	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1887	>	checkCancelled(failFirst ? fst : snd);
1888	>	}}
1889
1890		/**
1891	<	* acceptEitherAsync result completes exceptionally if either
2092	<	* source cancelled
1891	>	* thenAcceptBoth result completes exceptionally if action does
1892		*/
1893	<	public void testAcceptEitherAsync4() {
1894	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1895	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1896	<	IncAction r = new IncAction();
1897	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1898	<	assertTrue(f.cancel(true));
1899	<	checkCompletedWithWrappedCancellationException(g);
1900	<
1901	<	r = new IncAction();
1902	<	f = new CompletableFuture<>();
1903	<	f2 = new CompletableFuture<>();
1904	<	assertTrue(f2.cancel(true));
1905	<	g = f.acceptEitherAsync(f2, r);
1906	<	checkCompletedWithWrappedCancellationException(g);
1907	<	}
1893	>	public void testThenAcceptBoth_actionFailed() {
1894	>	for (ExecutionMode m : ExecutionMode.values())
1895	>	for (boolean fFirst : new boolean[] { true, false })
1896	>	for (Integer v1 : new Integer[] { 1, null })
1897	>	for (Integer v2 : new Integer[] { 2, null })
1898	>	{
1899	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1900	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1901	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1902	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1903	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1904	>
1905	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1906	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1907	>	final Integer w1 =  fFirst ? v1 : v2;
1908	>	final Integer w2 = !fFirst ? v1 : v2;
1909	>
1910	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1911	>	assertTrue(fst.complete(w1));
1912	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1913	>	assertTrue(snd.complete(w2));
1914	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1915	>
1916	>	checkCompletedWithWrappedCFException(h1);
1917	>	checkCompletedWithWrappedCFException(h2);
1918	>	checkCompletedWithWrappedCFException(h3);
1919	>	r1.assertInvoked();
1920	>	r2.assertInvoked();
1921	>	r3.assertInvoked();
1922	>	checkCompletedNormally(f, v1);
1923	>	checkCompletedNormally(g, v2);
1924	>	}}
1925
1926		/**
1927	<	* runAfterEitherAsync result completes normally after normal
1927	>	* runAfterBoth result completes normally after normal
1928		* completion of sources
1929		*/
1930	<	public void testRunAfterEitherAsync() {
1931	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1932	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1933	<	Noop r = new Noop();
1934	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1935	<	f.complete(one);
1936	<	checkCompletedNormally(g, null);
1937	<	assertTrue(r.ran);
1938	<
1939	<	r = new Noop();
1940	<	f = new CompletableFuture<>();
1941	<	f.complete(one);
1942	<	f2 = new CompletableFuture<>();
1943	<	g = f.runAfterEitherAsync(f2, r);
1944	<	checkCompletedNormally(g, null);
1945	<	assertTrue(r.ran);
1946	<	}
1930	>	public void testRunAfterBoth_normalCompletion() {
1931	>	for (ExecutionMode m : ExecutionMode.values())
1932	>	for (boolean fFirst : new boolean[] { true, false })
1933	>	for (Integer v1 : new Integer[] { 1, null })
1934	>	for (Integer v2 : new Integer[] { 2, null })
1935	>	{
1936	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1937	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1938	>	final Noop r1 = new Noop(m);
1939	>	final Noop r2 = new Noop(m);
1940	>	final Noop r3 = new Noop(m);
1941	>
1942	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1943	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1944	>	final Integer w1 =  fFirst ? v1 : v2;
1945	>	final Integer w2 = !fFirst ? v1 : v2;
1946	>
1947	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1948	>	assertTrue(fst.complete(w1));
1949	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1950	>	checkIncomplete(h1);
1951	>	checkIncomplete(h2);
1952	>	r1.assertNotInvoked();
1953	>	r2.assertNotInvoked();
1954	>	assertTrue(snd.complete(w2));
1955	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1956	>
1957	>	checkCompletedNormally(h1, null);
1958	>	checkCompletedNormally(h2, null);
1959	>	checkCompletedNormally(h3, null);
1960	>	r1.assertInvoked();
1961	>	r2.assertInvoked();
1962	>	r3.assertInvoked();
1963	>	checkCompletedNormally(f, v1);
1964	>	checkCompletedNormally(g, v2);
1965	>	}}
1966
1967		/**
1968	<	* runAfterEitherAsync result completes exceptionally after exceptional
1969	<	* completion of source
1968	>	* runAfterBoth result completes exceptionally after exceptional
1969	>	* completion of either source
1970		*/
1971	<	public void testRunAfterEitherAsync2() {
1972	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1973	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1974	<	Noop r = new Noop();
1975	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1976	<	f.completeExceptionally(new CFException());
1977	<	checkCompletedWithWrappedCFException(g);
1978	<
1979	<	r = new Noop();
1980	<	f = new CompletableFuture<>();
1981	<	f2 = new CompletableFuture<>();
1982	<	f2.completeExceptionally(new CFException());
1983	<	g = f.runAfterEitherAsync(f2, r);
1984	<	f.complete(one);
1985	<	checkCompletedWithWrappedCFException(g);
1986	<	}
1971	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1972	>	for (ExecutionMode m : ExecutionMode.values())
1973	>	for (boolean fFirst : new boolean[] { true, false })
1974	>	for (boolean failFirst : new boolean[] { true, false })
1975	>	for (Integer v1 : new Integer[] { 1, null })
1976	>	{
1977	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1978	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1979	>	final CFException ex = new CFException();
1980	>	final Noop r1 = new Noop(m);
1981	>	final Noop r2 = new Noop(m);
1982	>	final Noop r3 = new Noop(m);
1983	>
1984	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1985	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1986	>	final Callable<Boolean> complete1 = failFirst ?
1987	>	() -> fst.completeExceptionally(ex) :
1988	>	() -> fst.complete(v1);
1989	>	final Callable<Boolean> complete2 = failFirst ?
1990	>	() -> snd.complete(v1) :
1991	>	() -> snd.completeExceptionally(ex);
1992	>
1993	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1994	>	assertTrue(complete1.call());
1995	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1996	>	checkIncomplete(h1);
1997	>	checkIncomplete(h2);
1998	>	assertTrue(complete2.call());
1999	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2000	>
2001	>	checkCompletedWithWrappedException(h1, ex);
2002	>	checkCompletedWithWrappedException(h2, ex);
2003	>	checkCompletedWithWrappedException(h3, ex);
2004	>	r1.assertNotInvoked();
2005	>	r2.assertNotInvoked();
2006	>	r3.assertNotInvoked();
2007	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2008	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2009	>	}}
2010
2011		/**
2012	<	* runAfterEitherAsync result completes exceptionally if action does
2012	>	* runAfterBoth result completes exceptionally if either source cancelled
2013		*/
2014	<	public void testRunAfterEitherAsync3() {
2015	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2016	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2017	<	FailingNoop r = new FailingNoop();
2018	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2019	<	f.complete(one);
2020	<	checkCompletedWithWrappedCFException(g);
2021	<	}
2014	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2015	>	for (ExecutionMode m : ExecutionMode.values())
2016	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2017	>	for (boolean fFirst : new boolean[] { true, false })
2018	>	for (boolean failFirst : new boolean[] { true, false })
2019	>	for (Integer v1 : new Integer[] { 1, null })
2020	>	{
2021	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2022	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2023	>	final Noop r1 = new Noop(m);
2024	>	final Noop r2 = new Noop(m);
2025	>	final Noop r3 = new Noop(m);
2026	>
2027	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2028	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2029	>	final Callable<Boolean> complete1 = failFirst ?
2030	>	() -> fst.cancel(mayInterruptIfRunning) :
2031	>	() -> fst.complete(v1);
2032	>	final Callable<Boolean> complete2 = failFirst ?
2033	>	() -> snd.complete(v1) :
2034	>	() -> snd.cancel(mayInterruptIfRunning);
2035	>
2036	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2037	>	assertTrue(complete1.call());
2038	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2039	>	checkIncomplete(h1);
2040	>	checkIncomplete(h2);
2041	>	assertTrue(complete2.call());
2042	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2043	>
2044	>	checkCompletedWithWrappedCancellationException(h1);
2045	>	checkCompletedWithWrappedCancellationException(h2);
2046	>	checkCompletedWithWrappedCancellationException(h3);
2047	>	r1.assertNotInvoked();
2048	>	r2.assertNotInvoked();
2049	>	r3.assertNotInvoked();
2050	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2051	>	checkCancelled(failFirst ? fst : snd);
2052	>	}}
2053
2054		/**
2055	<	* runAfterEitherAsync result completes exceptionally if either
2167	<	* source cancelled
2055	>	* runAfterBoth result completes exceptionally if action does
2056		*/
2057	<	public void testRunAfterEitherAsync4() {
2058	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2059	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2060	<	Noop r = new Noop();
2061	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2062	<	assertTrue(f.cancel(true));
2063	<	checkCompletedWithWrappedCancellationException(g);
2064	<
2065	<	r = new Noop();
2066	<	f = new CompletableFuture<>();
2067	<	f2 = new CompletableFuture<>();
2068	<	assertTrue(f2.cancel(true));
2069	<	g = f.runAfterEitherAsync(f2, r);
2070	<	checkCompletedWithWrappedCancellationException(g);
2071	<	}
2057	>	public void testRunAfterBoth_actionFailed() {
2058	>	for (ExecutionMode m : ExecutionMode.values())
2059	>	for (boolean fFirst : new boolean[] { true, false })
2060	>	for (Integer v1 : new Integer[] { 1, null })
2061	>	for (Integer v2 : new Integer[] { 2, null })
2062	>	{
2063	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2064	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2065	>	final FailingRunnable r1 = new FailingRunnable(m);
2066	>	final FailingRunnable r2 = new FailingRunnable(m);
2067	>	final FailingRunnable r3 = new FailingRunnable(m);
2068	>
2069	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2070	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2071	>	final Integer w1 =  fFirst ? v1 : v2;
2072	>	final Integer w2 = !fFirst ? v1 : v2;
2073	>
2074	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2075	>	assertTrue(fst.complete(w1));
2076	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2077	>	assertTrue(snd.complete(w2));
2078	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2079	>
2080	>	checkCompletedWithWrappedCFException(h1);
2081	>	checkCompletedWithWrappedCFException(h2);
2082	>	checkCompletedWithWrappedCFException(h3);
2083	>	r1.assertInvoked();
2084	>	r2.assertInvoked();
2085	>	r3.assertInvoked();
2086	>	checkCompletedNormally(f, v1);
2087	>	checkCompletedNormally(g, v2);
2088	>	}}
2089
2090		/**
2091	<	* thenComposeAsync result completes normally after normal
2092	<	* completion of source
2091	>	* applyToEither result completes normally after normal completion
2092	>	* of either source
2093		*/
2094	<	public void testThenComposeAsync() {
2095	<	CompletableFuture<Integer> f, g;
2096	<	CompletableFutureInc r;
2097	<
2098	<	f = new CompletableFuture<>();
2099	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2100	<	f.complete(one);
2101	<	checkCompletedNormally(g, two);
2102	<
2198	<	f = new CompletableFuture<>();
2199	<	f.complete(one);
2200	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2201	<	checkCompletedNormally(g, two);
2202	<	}
2094	>	public void testApplyToEither_normalCompletion() {
2095	>	for (ExecutionMode m : ExecutionMode.values())
2096	>	for (Integer v1 : new Integer[] { 1, null })
2097	>	for (Integer v2 : new Integer[] { 2, null })
2098	>	{
2099	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2100	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2101	>	final IncFunction[] rs = new IncFunction[6];
2102	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2103
2104	<	/**
2105	<	* thenComposeAsync result completes exceptionally after
2106	<	* exceptional completion of source
2107	<	*/
2108	<	public void testThenComposeAsync2() {
2109	<	CompletableFuture<Integer> f, g;
2110	<	CompletableFutureInc r;
2104	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2105	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2106	>	checkIncomplete(h0);
2107	>	checkIncomplete(h1);
2108	>	rs[0].assertNotInvoked();
2109	>	rs[1].assertNotInvoked();
2110	>	f.complete(v1);
2111	>	checkCompletedNormally(h0, inc(v1));
2112	>	checkCompletedNormally(h1, inc(v1));
2113	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2114	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2115	>	checkCompletedNormally(h2, inc(v1));
2116	>	checkCompletedNormally(h3, inc(v1));
2117	>	g.complete(v2);
2118
2119	<	f = new CompletableFuture<>();
2120	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2121	<	f.completeExceptionally(new CFException());
2122	<	checkCompletedWithWrappedCFException(g);
2123	<	assertFalse(r.ran);
2119	>	// unspecified behavior - both source completions available
2120	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2121	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2122	>	rs[4].assertValue(h4.join());
2123	>	rs[5].assertValue(h5.join());
2124	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2125	>	Objects.equals(inc(v2), h4.join()));
2126	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2127	>	Objects.equals(inc(v2), h5.join()));
2128
2129	<	f = new CompletableFuture<>();
2130	<	f.completeExceptionally(new CFException());
2131	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2132	<	checkCompletedWithWrappedCFException(g);
2133	<	assertFalse(r.ran);
2134	<	}
2129	>	checkCompletedNormally(f, v1);
2130	>	checkCompletedNormally(g, v2);
2131	>	checkCompletedNormally(h0, inc(v1));
2132	>	checkCompletedNormally(h1, inc(v1));
2133	>	checkCompletedNormally(h2, inc(v1));
2134	>	checkCompletedNormally(h3, inc(v1));
2135	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2136	>	}}
2137
2138		/**
2139	<	* thenComposeAsync result completes exceptionally if action does
2139	>	* applyToEither result completes exceptionally after exceptional
2140	>	* completion of either source
2141		*/
2142	<	public void testThenComposeAsync3() {
2143	<	CompletableFuture<Integer> f, g;
2144	<	FailingCompletableFutureFunction r;
2142	>	public void testApplyToEither_exceptionalCompletion() {
2143	>	for (ExecutionMode m : ExecutionMode.values())
2144	>	for (Integer v1 : new Integer[] { 1, null })
2145	>	{
2146	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2147	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2148	>	final CFException ex = new CFException();
2149	>	final IncFunction[] rs = new IncFunction[6];
2150	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2151
2152	<	f = new CompletableFuture<>();
2153	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2154	<	f.complete(one);
2155	<	checkCompletedWithWrappedCFException(g);
2152	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2153	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2154	>	checkIncomplete(h0);
2155	>	checkIncomplete(h1);
2156	>	rs[0].assertNotInvoked();
2157	>	rs[1].assertNotInvoked();
2158	>	f.completeExceptionally(ex);
2159	>	checkCompletedWithWrappedException(h0, ex);
2160	>	checkCompletedWithWrappedException(h1, ex);
2161	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2162	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2163	>	checkCompletedWithWrappedException(h2, ex);
2164	>	checkCompletedWithWrappedException(h3, ex);
2165	>	g.complete(v1);
2166
2167	<	f = new CompletableFuture<>();
2168	<	f.complete(one);
2169	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2170	<	checkCompletedWithWrappedCFException(g);
2171	<	}
2167	>	// unspecified behavior - both source completions available
2168	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2169	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2170	>	try {
2171	>	assertEquals(inc(v1), h4.join());
2172	>	rs[4].assertValue(inc(v1));
2173	>	} catch (CompletionException ok) {
2174	>	checkCompletedWithWrappedException(h4, ex);
2175	>	rs[4].assertNotInvoked();
2176	>	}
2177	>	try {
2178	>	assertEquals(inc(v1), h5.join());
2179	>	rs[5].assertValue(inc(v1));
2180	>	} catch (CompletionException ok) {
2181	>	checkCompletedWithWrappedException(h5, ex);
2182	>	rs[5].assertNotInvoked();
2183	>	}
2184
2185	<	/**
2186	<	* thenComposeAsync result completes exceptionally if source cancelled
2187	<	*/
2188	<	public void testThenComposeAsync4() {
2189	<	CompletableFuture<Integer> f, g;
2190	<	CompletableFutureInc r;
2185	>	checkCompletedExceptionally(f, ex);
2186	>	checkCompletedNormally(g, v1);
2187	>	checkCompletedWithWrappedException(h0, ex);
2188	>	checkCompletedWithWrappedException(h1, ex);
2189	>	checkCompletedWithWrappedException(h2, ex);
2190	>	checkCompletedWithWrappedException(h3, ex);
2191	>	checkCompletedWithWrappedException(h4, ex);
2192	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2193	>	}}
2194
2195	<	f = new CompletableFuture<>();
2196	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2197	<	assertTrue(f.cancel(true));
2198	<	checkCompletedWithWrappedCancellationException(g);
2195	>	public void testApplyToEither_exceptionalCompletion2() {
2196	>	for (ExecutionMode m : ExecutionMode.values())
2197	>	for (boolean fFirst : new boolean[] { true, false })
2198	>	for (Integer v1 : new Integer[] { 1, null })
2199	>	{
2200	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2201	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2202	>	final CFException ex = new CFException();
2203	>	final IncFunction[] rs = new IncFunction[6];
2204	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2205
2206	<	f = new CompletableFuture<>();
2207	<	assertTrue(f.cancel(true));
2208	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2209	<	checkCompletedWithWrappedCancellationException(g);
2210	<	}
2206	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2207	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2208	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2209	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2210	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2211	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2212	>
2213	>	// unspecified behavior - both source completions available
2214	>	try {
2215	>	assertEquals(inc(v1), h0.join());
2216	>	rs[0].assertValue(inc(v1));
2217	>	} catch (CompletionException ok) {
2218	>	checkCompletedWithWrappedException(h0, ex);
2219	>	rs[0].assertNotInvoked();
2220	>	}
2221	>	try {
2222	>	assertEquals(inc(v1), h1.join());
2223	>	rs[1].assertValue(inc(v1));
2224	>	} catch (CompletionException ok) {
2225	>	checkCompletedWithWrappedException(h1, ex);
2226	>	rs[1].assertNotInvoked();
2227	>	}
2228	>	try {
2229	>	assertEquals(inc(v1), h2.join());
2230	>	rs[2].assertValue(inc(v1));
2231	>	} catch (CompletionException ok) {
2232	>	checkCompletedWithWrappedException(h2, ex);
2233	>	rs[2].assertNotInvoked();
2234	>	}
2235	>	try {
2236	>	assertEquals(inc(v1), h3.join());
2237	>	rs[3].assertValue(inc(v1));
2238	>	} catch (CompletionException ok) {
2239	>	checkCompletedWithWrappedException(h3, ex);
2240	>	rs[3].assertNotInvoked();
2241	>	}
2242
2243	<	// async with explicit executors
2243	>	checkCompletedNormally(f, v1);
2244	>	checkCompletedExceptionally(g, ex);
2245	>	}}
2246
2247		/**
2248	<	* thenRunAsync result completes normally after normal completion of source
2248	>	* applyToEither result completes exceptionally if either source cancelled
2249		*/
2250	<	public void testThenRunAsyncE() {
2251	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2252	<	Noop r = new Noop();
2253	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2254	<	f.complete(null);
2255	<	checkCompletedNormally(g, null);
2256	<
2257	<	// reordered version
2258	<	f = new CompletableFuture<>();
2275	<	f.complete(null);
2276	<	r = new Noop();
2277	<	g = f.thenRunAsync(r, new ThreadExecutor());
2278	<	checkCompletedNormally(g, null);
2279	<	}
2250	>	public void testApplyToEither_sourceCancelled() {
2251	>	for (ExecutionMode m : ExecutionMode.values())
2252	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2253	>	for (Integer v1 : new Integer[] { 1, null })
2254	>	{
2255	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2256	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2257	>	final IncFunction[] rs = new IncFunction[6];
2258	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2259
2260	<	/**
2261	<	* thenRunAsync result completes exceptionally after exceptional
2262	<	* completion of source
2263	<	*/
2264	<	public void testThenRunAsync2E() {
2265	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2266	<	Noop r = new Noop();
2267	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2268	<	f.completeExceptionally(new CFException());
2269	<	try {
2270	<	g.join();
2271	<	shouldThrow();
2272	<	} catch (CompletionException success) {}
2273	<	checkCompletedWithWrappedCFException(g);
2295	<	}
2260	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2261	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2262	>	checkIncomplete(h0);
2263	>	checkIncomplete(h1);
2264	>	rs[0].assertNotInvoked();
2265	>	rs[1].assertNotInvoked();
2266	>	f.cancel(mayInterruptIfRunning);
2267	>	checkCompletedWithWrappedCancellationException(h0);
2268	>	checkCompletedWithWrappedCancellationException(h1);
2269	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2270	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2271	>	checkCompletedWithWrappedCancellationException(h2);
2272	>	checkCompletedWithWrappedCancellationException(h3);
2273	>	g.complete(v1);
2274
2275	<	/**
2276	<	* thenRunAsync result completes exceptionally if action does
2277	<	*/
2278	<	public void testThenRunAsync3E() {
2279	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2280	<	FailingNoop r = new FailingNoop();
2281	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2282	<	f.complete(null);
2283	<	checkCompletedWithWrappedCFException(g);
2284	<	}
2275	>	// unspecified behavior - both source completions available
2276	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2277	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2278	>	try {
2279	>	assertEquals(inc(v1), h4.join());
2280	>	rs[4].assertValue(inc(v1));
2281	>	} catch (CompletionException ok) {
2282	>	checkCompletedWithWrappedCancellationException(h4);
2283	>	rs[4].assertNotInvoked();
2284	>	}
2285	>	try {
2286	>	assertEquals(inc(v1), h5.join());
2287	>	rs[5].assertValue(inc(v1));
2288	>	} catch (CompletionException ok) {
2289	>	checkCompletedWithWrappedCancellationException(h5);
2290	>	rs[5].assertNotInvoked();
2291	>	}
2292
2293	<	/**
2294	<	* thenRunAsync result completes exceptionally if source cancelled
2295	<	*/
2296	<	public void testThenRunAsync4E() {
2297	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2298	<	Noop r = new Noop();
2299	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2300	<	assertTrue(f.cancel(true));
2316	<	checkCompletedWithWrappedCancellationException(g);
2317	<	}
2293	>	checkCancelled(f);
2294	>	checkCompletedNormally(g, v1);
2295	>	checkCompletedWithWrappedCancellationException(h0);
2296	>	checkCompletedWithWrappedCancellationException(h1);
2297	>	checkCompletedWithWrappedCancellationException(h2);
2298	>	checkCompletedWithWrappedCancellationException(h3);
2299	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2300	>	}}
2301
2302	<	/**
2303	<	* thenApplyAsync result completes normally after normal completion of source
2304	<	*/
2305	<	public void testThenApplyAsyncE() {
2306	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2307	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2308	<	f.complete(one);
2309	<	checkCompletedNormally(g, two);
2310	<	}
2302	>	public void testApplyToEither_sourceCancelled2() {
2303	>	for (ExecutionMode m : ExecutionMode.values())
2304	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2305	>	for (boolean fFirst : new boolean[] { true, false })
2306	>	for (Integer v1 : new Integer[] { 1, null })
2307	>	{
2308	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2309	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2310	>	final IncFunction[] rs = new IncFunction[6];
2311	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2312
2313	<	/**
2314	<	* thenApplyAsync result completes exceptionally after exceptional
2315	<	* completion of source
2316	<	*/
2317	<	public void testThenApplyAsync2E() {
2318	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2319	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2320	<	f.completeExceptionally(new CFException());
2321	<	checkCompletedWithWrappedCFException(g);
2322	<	}
2313	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2314	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2315	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2316	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2317	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2318	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2319	>
2320	>	// unspecified behavior - both source completions available
2321	>	try {
2322	>	assertEquals(inc(v1), h0.join());
2323	>	rs[0].assertValue(inc(v1));
2324	>	} catch (CompletionException ok) {
2325	>	checkCompletedWithWrappedCancellationException(h0);
2326	>	rs[0].assertNotInvoked();
2327	>	}
2328	>	try {
2329	>	assertEquals(inc(v1), h1.join());
2330	>	rs[1].assertValue(inc(v1));
2331	>	} catch (CompletionException ok) {
2332	>	checkCompletedWithWrappedCancellationException(h1);
2333	>	rs[1].assertNotInvoked();
2334	>	}
2335	>	try {
2336	>	assertEquals(inc(v1), h2.join());
2337	>	rs[2].assertValue(inc(v1));
2338	>	} catch (CompletionException ok) {
2339	>	checkCompletedWithWrappedCancellationException(h2);
2340	>	rs[2].assertNotInvoked();
2341	>	}
2342	>	try {
2343	>	assertEquals(inc(v1), h3.join());
2344	>	rs[3].assertValue(inc(v1));
2345	>	} catch (CompletionException ok) {
2346	>	checkCompletedWithWrappedCancellationException(h3);
2347	>	rs[3].assertNotInvoked();
2348	>	}
2349
2350	<	/**
2351	<	* thenApplyAsync result completes exceptionally if action does
2352	<	*/
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	<	}
2350	>	checkCompletedNormally(f, v1);
2351	>	checkCancelled(g);
2352	>	}}
2353
2354		/**
2355	<	* thenApplyAsync result completes exceptionally if source cancelled
2355	>	* applyToEither result completes exceptionally if action does
2356		*/
2357	<	public void testThenApplyAsync4E() {
2358	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2359	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2360	<	assertTrue(f.cancel(true));
2361	<	checkCompletedWithWrappedCancellationException(g);
2362	<	}
2357	>	public void testApplyToEither_actionFailed() {
2358	>	for (ExecutionMode m : ExecutionMode.values())
2359	>	for (Integer v1 : new Integer[] { 1, null })
2360	>	for (Integer v2 : new Integer[] { 2, null })
2361	>	{
2362	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2363	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2364	>	final FailingFunction[] rs = new FailingFunction[6];
2365	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2366
2367	<	/**
2368	<	* thenAcceptAsync result completes normally after normal
2369	<	* completion of source
2370	<	*/
2371	<	public void testThenAcceptAsyncE() {
2372	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2373	<	IncAction r = new IncAction();
2374	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2375	<	f.complete(one);
2376	<	checkCompletedNormally(g, null);
2371	<	assertEquals(r.value, 2);
2372	<	}
2367	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2368	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2369	>	f.complete(v1);
2370	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2371	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2372	>	checkCompletedWithWrappedCFException(h0);
2373	>	checkCompletedWithWrappedCFException(h1);
2374	>	checkCompletedWithWrappedCFException(h2);
2375	>	checkCompletedWithWrappedCFException(h3);
2376	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2377
2378	<	/**
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	<	}
2378	>	g.complete(v2);
2379
2380	<	/**
2381	<	* thenAcceptAsync result completes exceptionally if action does
2382	<	*/
2383	<	public void testThenAcceptAsync3E() {
2384	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2385	<	FailingConsumer r = new FailingConsumer();
2386	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2387	<	f.complete(null);
2388	<	checkCompletedWithWrappedCFException(g);
2389	<	}
2380	>	// unspecified behavior - both source completions available
2381	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2382	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2383	>
2384	>	checkCompletedWithWrappedCFException(h4);
2385	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2386	>	Objects.equals(v2, rs[4].value));
2387	>	checkCompletedWithWrappedCFException(h5);
2388	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2389	>	Objects.equals(v2, rs[5].value));
2390
2391	<	/**
2392	<	* thenAcceptAsync result completes exceptionally if source cancelled
2393	<	*/
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	<	}
2391	>	checkCompletedNormally(f, v1);
2392	>	checkCompletedNormally(g, v2);
2393	>	}}
2394
2395		/**
2396	<	* thenCombineAsync result completes normally after normal
2397	<	* completion of sources
2396	>	* acceptEither result completes normally after normal completion
2397	>	* of either source
2398		*/
2399	<	public void testThenCombineAsyncE() {
2400	<	CompletableFuture<Integer> f, g, h;
2401	<	ThreadExecutor e = new ThreadExecutor();
2402	<	int count = 0;
2399	>	public void testAcceptEither_normalCompletion() {
2400	>	for (ExecutionMode m : ExecutionMode.values())
2401	>	for (Integer v1 : new Integer[] { 1, null })
2402	>	for (Integer v2 : new Integer[] { 2, null })
2403	>	{
2404	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2405	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2406	>	final NoopConsumer[] rs = new NoopConsumer[6];
2407	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2408
2409	<	f = new CompletableFuture<>();
2410	<	g = new CompletableFuture<>();
2411	<	h = f.thenCombineAsync(g, subtract, e);
2412	<	f.complete(3);
2413	<	checkIncomplete(h);
2414	<	g.complete(1);
2415	<	checkCompletedNormally(h, 2);
2416	<	assertEquals(++count, e.count.get());
2409	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2410	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2411	>	checkIncomplete(h0);
2412	>	checkIncomplete(h1);
2413	>	rs[0].assertNotInvoked();
2414	>	rs[1].assertNotInvoked();
2415	>	f.complete(v1);
2416	>	checkCompletedNormally(h0, null);
2417	>	checkCompletedNormally(h1, null);
2418	>	rs[0].assertValue(v1);
2419	>	rs[1].assertValue(v1);
2420	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2421	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2422	>	checkCompletedNormally(h2, null);
2423	>	checkCompletedNormally(h3, null);
2424	>	rs[2].assertValue(v1);
2425	>	rs[3].assertValue(v1);
2426	>	g.complete(v2);
2427
2428	<	f = new CompletableFuture<>();
2429	<	g = new CompletableFuture<>();
2430	<	h = f.thenCombineAsync(g, subtract, e);
2431	<	g.complete(1);
2432	<	checkIncomplete(h);
2433	<	f.complete(3);
2434	<	checkCompletedNormally(h, 2);
2435	<	assertEquals(++count, e.count.get());
2428	>	// unspecified behavior - both source completions available
2429	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2430	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2431	>	checkCompletedNormally(h4, null);
2432	>	checkCompletedNormally(h5, null);
2433	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2434	>	Objects.equals(v2, rs[4].value));
2435	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2436	>	Objects.equals(v2, rs[5].value));
2437
2438	<	f = new CompletableFuture<>();
2439	<	g = new CompletableFuture<>();
2440	<	g.complete(1);
2441	<	f.complete(3);
2442	<	h = f.thenCombineAsync(g, subtract, e);
2443	<	checkCompletedNormally(h, 2);
2444	<	assertEquals(++count, e.count.get());
2445	<	}
2438	>	checkCompletedNormally(f, v1);
2439	>	checkCompletedNormally(g, v2);
2440	>	checkCompletedNormally(h0, null);
2441	>	checkCompletedNormally(h1, null);
2442	>	checkCompletedNormally(h2, null);
2443	>	checkCompletedNormally(h3, null);
2444	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2445	>	}}
2446
2447		/**
2448	<	* thenCombineAsync result completes exceptionally after exceptional
2448	>	* acceptEither result completes exceptionally after exceptional
2449		* completion of either source
2450		*/
2451	<	public void testThenCombineAsync2E() {
2452	<	CompletableFuture<Integer> f, g, h;
2453	<	ThreadExecutor e = new ThreadExecutor();
2454	<	int count = 0;
2455	<
2456	<	f = new CompletableFuture<>();
2457	<	g = new CompletableFuture<>();
2458	<	h = f.thenCombineAsync(g, subtract, e);
2459	<	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	<	}
2451	>	public void testAcceptEither_exceptionalCompletion() {
2452	>	for (ExecutionMode m : ExecutionMode.values())
2453	>	for (Integer v1 : new Integer[] { 1, null })
2454	>	{
2455	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2456	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2457	>	final CFException ex = new CFException();
2458	>	final NoopConsumer[] rs = new NoopConsumer[6];
2459	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2460
2461	<	/**
2462	<	* thenCombineAsync result completes exceptionally if action does
2463	<	*/
2464	<	public void testThenCombineAsync3E() {
2465	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2466	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2467	<	FailingBiFunction r = new FailingBiFunction();
2468	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2469	<	f.complete(one);
2470	<	checkIncomplete(g);
2471	<	assertFalse(r.ran);
2472	<	f2.complete(two);
2473	<	checkCompletedWithWrappedCFException(g);
2493	<	assertTrue(r.ran);
2494	<	}
2461	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2462	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2463	>	checkIncomplete(h0);
2464	>	checkIncomplete(h1);
2465	>	rs[0].assertNotInvoked();
2466	>	rs[1].assertNotInvoked();
2467	>	f.completeExceptionally(ex);
2468	>	checkCompletedWithWrappedException(h0, ex);
2469	>	checkCompletedWithWrappedException(h1, ex);
2470	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2471	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2472	>	checkCompletedWithWrappedException(h2, ex);
2473	>	checkCompletedWithWrappedException(h3, ex);
2474
2475	<	/**
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();
2475	>	g.complete(v1);
2476
2477	<	f = new CompletableFuture<>();
2478	<	g = new CompletableFuture<>();
2479	<	h = f.thenCombineAsync(g, subtract, e);
2480	<	assertTrue(f.cancel(true));
2481	<	checkIncomplete(h);
2482	<	g.complete(1);
2483	<	checkCompletedWithWrappedCancellationException(h);
2477	>	// unspecified behavior - both source completions available
2478	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2479	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2480	>	try {
2481	>	assertNull(h4.join());
2482	>	rs[4].assertValue(v1);
2483	>	} catch (CompletionException ok) {
2484	>	checkCompletedWithWrappedException(h4, ex);
2485	>	rs[4].assertNotInvoked();
2486	>	}
2487	>	try {
2488	>	assertNull(h5.join());
2489	>	rs[5].assertValue(v1);
2490	>	} catch (CompletionException ok) {
2491	>	checkCompletedWithWrappedException(h5, ex);
2492	>	rs[5].assertNotInvoked();
2493	>	}
2494
2495	<	f = new CompletableFuture<>();
2496	<	g = new CompletableFuture<>();
2497	<	h = f.thenCombineAsync(g, subtract, e);
2498	<	assertTrue(g.cancel(true));
2499	<	checkIncomplete(h);
2500	<	f.complete(3);
2501	<	checkCompletedWithWrappedCancellationException(h);
2495	>	checkCompletedExceptionally(f, ex);
2496	>	checkCompletedNormally(g, v1);
2497	>	checkCompletedWithWrappedException(h0, ex);
2498	>	checkCompletedWithWrappedException(h1, ex);
2499	>	checkCompletedWithWrappedException(h2, ex);
2500	>	checkCompletedWithWrappedException(h3, ex);
2501	>	checkCompletedWithWrappedException(h4, ex);
2502	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2503	>	}}
2504
2505	<	f = new CompletableFuture<>();
2506	<	g = new CompletableFuture<>();
2507	<	assertTrue(g.cancel(true));
2508	<	h = f.thenCombineAsync(g, subtract, e);
2509	<	checkIncomplete(h);
2510	<	f.complete(3);
2511	<	checkCompletedWithWrappedCancellationException(h);
2505	>	public void testAcceptEither_exceptionalCompletion2() {
2506	>	for (ExecutionMode m : ExecutionMode.values())
2507	>	for (boolean fFirst : new boolean[] { true, false })
2508	>	for (Integer v1 : new Integer[] { 1, null })
2509	>	{
2510	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2511	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2512	>	final CFException ex = new CFException();
2513	>	final NoopConsumer[] rs = new NoopConsumer[6];
2514	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2515
2516	<	f = new CompletableFuture<>();
2517	<	g = new CompletableFuture<>();
2518	<	assertTrue(f.cancel(true));
2519	<	assertTrue(g.cancel(true));
2520	<	h = f.thenCombineAsync(g, subtract, e);
2521	<	checkCompletedWithWrappedCancellationException(h);
2516	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2517	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2518	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2519	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2520	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2521	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2522	>
2523	>	// unspecified behavior - both source completions available
2524	>	try {
2525	>	assertEquals(null, h0.join());
2526	>	rs[0].assertValue(v1);
2527	>	} catch (CompletionException ok) {
2528	>	checkCompletedWithWrappedException(h0, ex);
2529	>	rs[0].assertNotInvoked();
2530	>	}
2531	>	try {
2532	>	assertEquals(null, h1.join());
2533	>	rs[1].assertValue(v1);
2534	>	} catch (CompletionException ok) {
2535	>	checkCompletedWithWrappedException(h1, ex);
2536	>	rs[1].assertNotInvoked();
2537	>	}
2538	>	try {
2539	>	assertEquals(null, h2.join());
2540	>	rs[2].assertValue(v1);
2541	>	} catch (CompletionException ok) {
2542	>	checkCompletedWithWrappedException(h2, ex);
2543	>	rs[2].assertNotInvoked();
2544	>	}
2545	>	try {
2546	>	assertEquals(null, h3.join());
2547	>	rs[3].assertValue(v1);
2548	>	} catch (CompletionException ok) {
2549	>	checkCompletedWithWrappedException(h3, ex);
2550	>	rs[3].assertNotInvoked();
2551	>	}
2552
2553	<	assertEquals(0, e.count.get());
2554	<	}
2553	>	checkCompletedNormally(f, v1);
2554	>	checkCompletedExceptionally(g, ex);
2555	>	}}
2556
2557		/**
2558	<	* thenAcceptBothAsync result completes normally after normal
2539	<	* completion of sources
2558	>	* acceptEither result completes exceptionally if either source cancelled
2559		*/
2560	<	public void testThenAcceptBothAsyncE() {
2561	<	CompletableFuture<Integer> f, g;
2562	<	CompletableFuture<Void> h;
2563	<	SubtractAction r;
2564	<	ThreadExecutor e = new ThreadExecutor();
2560	>	public void testAcceptEither_sourceCancelled() {
2561	>	for (ExecutionMode m : ExecutionMode.values())
2562	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2563	>	for (Integer v1 : new Integer[] { 1, null })
2564	>	{
2565	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2566	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2567	>	final NoopConsumer[] rs = new NoopConsumer[6];
2568	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2569
2570	<	f = new CompletableFuture<>();
2571	<	g = new CompletableFuture<>();
2572	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2573	<	f.complete(3);
2574	<	checkIncomplete(h);
2575	<	g.complete(1);
2576	<	checkCompletedNormally(h, null);
2577	<	assertEquals(r.value, 2);
2570	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2571	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2572	>	checkIncomplete(h0);
2573	>	checkIncomplete(h1);
2574	>	rs[0].assertNotInvoked();
2575	>	rs[1].assertNotInvoked();
2576	>	f.cancel(mayInterruptIfRunning);
2577	>	checkCompletedWithWrappedCancellationException(h0);
2578	>	checkCompletedWithWrappedCancellationException(h1);
2579	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2580	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2581	>	checkCompletedWithWrappedCancellationException(h2);
2582	>	checkCompletedWithWrappedCancellationException(h3);
2583
2584	<	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);
2584	>	g.complete(v1);
2585
2586	<	f = new CompletableFuture<>();
2587	<	g = new CompletableFuture<>();
2588	<	g.complete(1);
2589	<	f.complete(3);
2590	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2591	<	checkCompletedNormally(h, null);
2592	<	assertEquals(r.value, 2);
2586	>	// unspecified behavior - both source completions available
2587	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2588	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2589	>	try {
2590	>	assertNull(h4.join());
2591	>	rs[4].assertValue(v1);
2592	>	} catch (CompletionException ok) {
2593	>	checkCompletedWithWrappedCancellationException(h4);
2594	>	rs[4].assertNotInvoked();
2595	>	}
2596	>	try {
2597	>	assertNull(h5.join());
2598	>	rs[5].assertValue(v1);
2599	>	} catch (CompletionException ok) {
2600	>	checkCompletedWithWrappedCancellationException(h5);
2601	>	rs[5].assertNotInvoked();
2602	>	}
2603
2604	<	assertEquals(3, e.count.get());
2605	<	}
2604	>	checkCancelled(f);
2605	>	checkCompletedNormally(g, v1);
2606	>	checkCompletedWithWrappedCancellationException(h0);
2607	>	checkCompletedWithWrappedCancellationException(h1);
2608	>	checkCompletedWithWrappedCancellationException(h2);
2609	>	checkCompletedWithWrappedCancellationException(h3);
2610	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2611	>	}}
2612
2613		/**
2614	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2578	<	* completion of source
2614	>	* acceptEither result completes exceptionally if action does
2615		*/
2616	<	public void testThenAcceptBothAsync2E() {
2617	<	CompletableFuture<Integer> f, g;
2618	<	CompletableFuture<Void> h;
2619	<	SubtractAction r;
2620	<	ThreadExecutor e = new ThreadExecutor();
2621	<
2622	<	f = new CompletableFuture<>();
2623	<	g = new CompletableFuture<>();
2624	<	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	<	}
2616	>	public void testAcceptEither_actionFailed() {
2617	>	for (ExecutionMode m : ExecutionMode.values())
2618	>	for (Integer v1 : new Integer[] { 1, null })
2619	>	for (Integer v2 : new Integer[] { 2, null })
2620	>	{
2621	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2622	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2623	>	final FailingConsumer[] rs = new FailingConsumer[6];
2624	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2625
2626	<	/**
2627	<	* thenAcceptBothAsync result completes exceptionally if action does
2628	<	*/
2629	<	public void testThenAcceptBothAsync3E() {
2630	<	CompletableFuture<Integer> f, g;
2631	<	CompletableFuture<Void> h;
2632	<	FailingBiConsumer r;
2633	<	ThreadExecutor e = new ThreadExecutor();
2626	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2627	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2628	>	f.complete(v1);
2629	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2630	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2631	>	checkCompletedWithWrappedCFException(h0);
2632	>	checkCompletedWithWrappedCFException(h1);
2633	>	checkCompletedWithWrappedCFException(h2);
2634	>	checkCompletedWithWrappedCFException(h3);
2635	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2636
2637	<	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);
2637	>	g.complete(v2);
2638
2639	<	f = new CompletableFuture<>();
2640	<	g = new CompletableFuture<>();
2641	<	f.complete(3);
2642	<	g.complete(1);
2643	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2644	<	checkCompletedWithWrappedCFException(h);
2639	>	// unspecified behavior - both source completions available
2640	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2641	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2642	>
2643	>	checkCompletedWithWrappedCFException(h4);
2644	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2645	>	Objects.equals(v2, rs[4].value));
2646	>	checkCompletedWithWrappedCFException(h5);
2647	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2648	>	Objects.equals(v2, rs[5].value));
2649
2650	<	assertEquals(2, e.count.get());
2651	<	}
2650	>	checkCompletedNormally(f, v1);
2651	>	checkCompletedNormally(g, v2);
2652	>	}}
2653
2654		/**
2655	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2655	>	* runAfterEither result completes normally after normal completion
2656	>	* of either source
2657		*/
2658	<	public void testThenAcceptBothAsync4E() {
2659	<	CompletableFuture<Integer> f, g;
2660	<	CompletableFuture<Void> h;
2661	<	SubtractAction r;
2662	<	ThreadExecutor e = new ThreadExecutor();
2663	<
2664	<	f = new CompletableFuture<>();
2665	<	g = new CompletableFuture<>();
2666	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2658	<	assertTrue(f.cancel(true));
2659	<	checkIncomplete(h);
2660	<	g.complete(1);
2661	<	checkCompletedWithWrappedCancellationException(h);
2658	>	public void testRunAfterEither_normalCompletion() {
2659	>	for (ExecutionMode m : ExecutionMode.values())
2660	>	for (Integer v1 : new Integer[] { 1, null })
2661	>	for (Integer v2 : new Integer[] { 2, null })
2662	>	{
2663	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2664	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2665	>	final Noop[] rs = new Noop[6];
2666	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2667
2668	<	f = new CompletableFuture<>();
2669	<	g = new CompletableFuture<>();
2670	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2671	<	assertTrue(g.cancel(true));
2672	<	checkIncomplete(h);
2673	<	f.complete(3);
2674	<	checkCompletedWithWrappedCancellationException(h);
2668	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2669	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2670	>	checkIncomplete(h0);
2671	>	checkIncomplete(h1);
2672	>	rs[0].assertNotInvoked();
2673	>	rs[1].assertNotInvoked();
2674	>	f.complete(v1);
2675	>	checkCompletedNormally(h0, null);
2676	>	checkCompletedNormally(h1, null);
2677	>	rs[0].assertInvoked();
2678	>	rs[1].assertInvoked();
2679	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2680	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2681	>	checkCompletedNormally(h2, null);
2682	>	checkCompletedNormally(h3, null);
2683	>	rs[2].assertInvoked();
2684	>	rs[3].assertInvoked();
2685
2686	<	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);
2686	>	g.complete(v2);
2687
2688	<	f = new CompletableFuture<>();
2689	<	g = new CompletableFuture<>();
2680	<	assertTrue(f.cancel(true));
2681	<	g.complete(3);
2682	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2683	<	checkCompletedWithWrappedCancellationException(h);
2688	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2689	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2690
2691	<	assertEquals(0, e.count.get());
2692	<	}
2691	>	checkCompletedNormally(f, v1);
2692	>	checkCompletedNormally(g, v2);
2693	>	checkCompletedNormally(h0, null);
2694	>	checkCompletedNormally(h1, null);
2695	>	checkCompletedNormally(h2, null);
2696	>	checkCompletedNormally(h3, null);
2697	>	checkCompletedNormally(h4, null);
2698	>	checkCompletedNormally(h5, null);
2699	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2700	>	}}
2701
2702		/**
2703	<	* applyToEitherAsync result completes normally after normal
2704	<	* completion of sources
2703	>	* runAfterEither result completes exceptionally after exceptional
2704	>	* completion of either source
2705		*/
2706	<	public void testApplyToEitherAsyncE() {
2707	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2708	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2709	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2710	<	f.complete(one);
2711	<	checkCompletedNormally(g, two);
2712	<
2713	<	f = new CompletableFuture<>();
2714	<	f.complete(one);
2701	<	f2 = new CompletableFuture<>();
2702	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2703	<	checkCompletedNormally(g, two);
2704	<	}
2706	>	public void testRunAfterEither_exceptionalCompletion() {
2707	>	for (ExecutionMode m : ExecutionMode.values())
2708	>	for (Integer v1 : new Integer[] { 1, null })
2709	>	{
2710	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2711	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2712	>	final CFException ex = new CFException();
2713	>	final Noop[] rs = new Noop[6];
2714	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2715
2716	<	/**
2717	<	* applyToEitherAsync result completes exceptionally after exceptional
2718	<	* completion of source
2719	<	*/
2720	<	public void testApplyToEitherAsync2E() {
2721	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2722	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2723	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2724	<	f.completeExceptionally(new CFException());
2725	<	checkCompletedWithWrappedCFException(g);
2716	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2717	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2718	>	checkIncomplete(h0);
2719	>	checkIncomplete(h1);
2720	>	rs[0].assertNotInvoked();
2721	>	rs[1].assertNotInvoked();
2722	>	assertTrue(f.completeExceptionally(ex));
2723	>	checkCompletedWithWrappedException(h0, ex);
2724	>	checkCompletedWithWrappedException(h1, ex);
2725	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2726	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2727	>	checkCompletedWithWrappedException(h2, ex);
2728	>	checkCompletedWithWrappedException(h3, ex);
2729	>
2730	>	assertTrue(g.complete(v1));
2731	>
2732	>	// unspecified behavior - both source completions available
2733	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2734	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2735	>	try {
2736	>	assertNull(h4.join());
2737	>	rs[4].assertInvoked();
2738	>	} catch (CompletionException ok) {
2739	>	checkCompletedWithWrappedException(h4, ex);
2740	>	rs[4].assertNotInvoked();
2741	>	}
2742	>	try {
2743	>	assertNull(h5.join());
2744	>	rs[5].assertInvoked();
2745	>	} catch (CompletionException ok) {
2746	>	checkCompletedWithWrappedException(h5, ex);
2747	>	rs[5].assertNotInvoked();
2748	>	}
2749
2750	<	f = new CompletableFuture<>();
2751	<	f2 = new CompletableFuture<>();
2752	<	f2.completeExceptionally(new CFException());
2753	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2754	<	f.complete(one);
2755	<	checkCompletedWithWrappedCFException(g);
2756	<	}
2750	>	checkCompletedExceptionally(f, ex);
2751	>	checkCompletedNormally(g, v1);
2752	>	checkCompletedWithWrappedException(h0, ex);
2753	>	checkCompletedWithWrappedException(h1, ex);
2754	>	checkCompletedWithWrappedException(h2, ex);
2755	>	checkCompletedWithWrappedException(h3, ex);
2756	>	checkCompletedWithWrappedException(h4, ex);
2757	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2758	>	}}
2759
2760	<	/**
2761	<	* applyToEitherAsync result completes exceptionally if action does
2762	<	*/
2763	<	public void testApplyToEitherAsync3E() {
2764	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2765	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2766	<	FailingFunction r = new FailingFunction();
2767	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2768	<	f.complete(one);
2769	<	checkCompletedWithWrappedCFException(g);
2735	<	}
2760	>	public void testRunAfterEither_exceptionalCompletion2() {
2761	>	for (ExecutionMode m : ExecutionMode.values())
2762	>	for (boolean fFirst : new boolean[] { true, false })
2763	>	for (Integer v1 : new Integer[] { 1, null })
2764	>	{
2765	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2766	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2767	>	final CFException ex = new CFException();
2768	>	final Noop[] rs = new Noop[6];
2769	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2770
2771	<	/**
2772	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2773	<	*/
2774	<	public void testApplyToEitherAsync4E() {
2775	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2776	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2777	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2778	<	assertTrue(f.cancel(true));
2779	<	checkCompletedWithWrappedCancellationException(g);
2771	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2772	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2773	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2774	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2775	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2776	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2777	>
2778	>	// unspecified behavior - both source completions available
2779	>	try {
2780	>	assertEquals(null, h0.join());
2781	>	rs[0].assertInvoked();
2782	>	} catch (CompletionException ok) {
2783	>	checkCompletedWithWrappedException(h0, ex);
2784	>	rs[0].assertNotInvoked();
2785	>	}
2786	>	try {
2787	>	assertEquals(null, h1.join());
2788	>	rs[1].assertInvoked();
2789	>	} catch (CompletionException ok) {
2790	>	checkCompletedWithWrappedException(h1, ex);
2791	>	rs[1].assertNotInvoked();
2792	>	}
2793	>	try {
2794	>	assertEquals(null, h2.join());
2795	>	rs[2].assertInvoked();
2796	>	} catch (CompletionException ok) {
2797	>	checkCompletedWithWrappedException(h2, ex);
2798	>	rs[2].assertNotInvoked();
2799	>	}
2800	>	try {
2801	>	assertEquals(null, h3.join());
2802	>	rs[3].assertInvoked();
2803	>	} catch (CompletionException ok) {
2804	>	checkCompletedWithWrappedException(h3, ex);
2805	>	rs[3].assertNotInvoked();
2806	>	}
2807
2808	<	f = new CompletableFuture<>();
2809	<	f2 = new CompletableFuture<>();
2810	<	assertTrue(f2.cancel(true));
2750	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2751	<	checkCompletedWithWrappedCancellationException(g);
2752	<	}
2808	>	checkCompletedNormally(f, v1);
2809	>	checkCompletedExceptionally(g, ex);
2810	>	}}
2811
2812		/**
2813	<	* acceptEitherAsync result completes normally after normal
2756	<	* completion of sources
2813	>	* runAfterEither result completes exceptionally if either source cancelled
2814		*/
2815	<	public void testAcceptEitherAsyncE() {
2816	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2817	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2818	<	IncAction r = new IncAction();
2819	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2820	<	f.complete(one);
2821	<	checkCompletedNormally(g, null);
2822	<	assertEquals(r.value, 2);
2823	<
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	<	}
2815	>	public void testRunAfterEither_sourceCancelled() {
2816	>	for (ExecutionMode m : ExecutionMode.values())
2817	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2818	>	for (Integer v1 : new Integer[] { 1, null })
2819	>	{
2820	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2821	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2822	>	final Noop[] rs = new Noop[6];
2823	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2824
2825	<	/**
2826	<	* acceptEitherAsync result completes exceptionally after exceptional
2827	<	* completion of source
2828	<	*/
2829	<	public void testAcceptEitherAsync2E() {
2830	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2831	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2832	<	IncAction r = new IncAction();
2833	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2834	<	f.completeExceptionally(new CFException());
2835	<	checkCompletedWithWrappedCFException(g);
2825	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2826	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2827	>	checkIncomplete(h0);
2828	>	checkIncomplete(h1);
2829	>	rs[0].assertNotInvoked();
2830	>	rs[1].assertNotInvoked();
2831	>	f.cancel(mayInterruptIfRunning);
2832	>	checkCompletedWithWrappedCancellationException(h0);
2833	>	checkCompletedWithWrappedCancellationException(h1);
2834	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2835	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2836	>	checkCompletedWithWrappedCancellationException(h2);
2837	>	checkCompletedWithWrappedCancellationException(h3);
2838	>
2839	>	assertTrue(g.complete(v1));
2840	>
2841	>	// unspecified behavior - both source completions available
2842	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2843	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2844	>	try {
2845	>	assertNull(h4.join());
2846	>	rs[4].assertInvoked();
2847	>	} catch (CompletionException ok) {
2848	>	checkCompletedWithWrappedCancellationException(h4);
2849	>	rs[4].assertNotInvoked();
2850	>	}
2851	>	try {
2852	>	assertNull(h5.join());
2853	>	rs[5].assertInvoked();
2854	>	} catch (CompletionException ok) {
2855	>	checkCompletedWithWrappedCancellationException(h5);
2856	>	rs[5].assertNotInvoked();
2857	>	}
2858
2859	<	r = new IncAction();
2860	<	f = new CompletableFuture<>();
2861	<	f2 = new CompletableFuture<>();
2862	<	f2.completeExceptionally(new CFException());
2863	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2864	<	f.complete(one);
2865	<	checkCompletedWithWrappedCFException(g);
2866	<	}
2859	>	checkCancelled(f);
2860	>	checkCompletedNormally(g, v1);
2861	>	checkCompletedWithWrappedCancellationException(h0);
2862	>	checkCompletedWithWrappedCancellationException(h1);
2863	>	checkCompletedWithWrappedCancellationException(h2);
2864	>	checkCompletedWithWrappedCancellationException(h3);
2865	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2866	>	}}
2867
2868		/**
2869	<	* acceptEitherAsync result completes exceptionally if action does
2869	>	* runAfterEither result completes exceptionally if action does
2870		*/
2871	<	public void testAcceptEitherAsync3E() {
2872	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2873	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2874	<	FailingConsumer r = new FailingConsumer();
2875	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2876	<	f.complete(one);
2877	<	checkCompletedWithWrappedCFException(g);
2878	<	}
2871	>	public void testRunAfterEither_actionFailed() {
2872	>	for (ExecutionMode m : ExecutionMode.values())
2873	>	for (Integer v1 : new Integer[] { 1, null })
2874	>	for (Integer v2 : new Integer[] { 2, null })
2875	>	{
2876	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2877	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2878	>	final FailingRunnable[] rs = new FailingRunnable[6];
2879	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2880
2881	<	/**
2882	<	* acceptEitherAsync result completes exceptionally if either
2883	<	* source cancelled
2884	<	*/
2885	<	public void testAcceptEitherAsync4E() {
2886	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2887	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2888	<	IncAction r = new IncAction();
2889	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2890	<	assertTrue(f.cancel(true));
2891	<	checkCompletedWithWrappedCancellationException(g);
2881	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2882	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2883	>	assertTrue(f.complete(v1));
2884	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2885	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2886	>	checkCompletedWithWrappedCFException(h0);
2887	>	checkCompletedWithWrappedCFException(h1);
2888	>	checkCompletedWithWrappedCFException(h2);
2889	>	checkCompletedWithWrappedCFException(h3);
2890	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2891	>	assertTrue(g.complete(v2));
2892	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2893	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2894	>	checkCompletedWithWrappedCFException(h4);
2895	>	checkCompletedWithWrappedCFException(h5);
2896
2897	<	r = new IncAction();
2898	<	f = new CompletableFuture<>();
2899	<	f2 = new CompletableFuture<>();
2900	<	assertTrue(f2.cancel(true));
2825	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2826	<	checkCompletedWithWrappedCancellationException(g);
2827	<	}
2897	>	checkCompletedNormally(f, v1);
2898	>	checkCompletedNormally(g, v2);
2899	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2900	>	}}
2901
2902		/**
2903	<	* runAfterEitherAsync result completes normally after normal
2831	<	* completion of sources
2903	>	* thenCompose result completes normally after normal completion of source
2904		*/
2905	<	public void testRunAfterEitherAsyncE() {
2906	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2907	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2908	<	Noop r = new Noop();
2909	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2910	<	f.complete(one);
2911	<	checkCompletedNormally(g, null);
2912	<	assertTrue(r.ran);
2905	>	public void testThenCompose_normalCompletion() {
2906	>	for (ExecutionMode m : ExecutionMode.values())
2907	>	for (boolean createIncomplete : new boolean[] { true, false })
2908	>	for (Integer v1 : new Integer[] { 1, null })
2909	>	{
2910	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2911	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2912	>	if (!createIncomplete) assertTrue(f.complete(v1));
2913	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2914	>	if (createIncomplete) assertTrue(f.complete(v1));
2915
2916	<	r = new Noop();
2917	<	f = new CompletableFuture<>();
2918	<	f.complete(one);
2919	<	f2 = new CompletableFuture<>();
2846	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2847	<	checkCompletedNormally(g, null);
2848	<	assertTrue(r.ran);
2849	<	}
2916	>	checkCompletedNormally(g, inc(v1));
2917	>	checkCompletedNormally(f, v1);
2918	>	r.assertValue(v1);
2919	>	}}
2920
2921		/**
2922	<	* runAfterEitherAsync result completes exceptionally after exceptional
2922	>	* thenCompose result completes exceptionally after exceptional
2923		* completion of source
2924		*/
2925	<	public void testRunAfterEitherAsync2E() {
2926	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2927	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2928	<	Noop r = new Noop();
2929	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2930	<	f.completeExceptionally(new CFException());
2931	<	checkCompletedWithWrappedCFException(g);
2932	<
2933	<	r = new Noop();
2934	<	f = new CompletableFuture<>();
2935	<	f2 = new CompletableFuture<>();
2936	<	f2.completeExceptionally(new CFException());
2937	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2938	<	f.complete(one);
2939	<	checkCompletedWithWrappedCFException(g);
2870	<	}
2925	>	public void testThenCompose_exceptionalCompletion() {
2926	>	for (ExecutionMode m : ExecutionMode.values())
2927	>	for (boolean createIncomplete : new boolean[] { true, false })
2928	>	{
2929	>	final CFException ex = new CFException();
2930	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2931	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2932	>	if (!createIncomplete) f.completeExceptionally(ex);
2933	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2934	>	if (createIncomplete) f.completeExceptionally(ex);
2935	>
2936	>	checkCompletedWithWrappedException(g, ex);
2937	>	checkCompletedExceptionally(f, ex);
2938	>	r.assertNotInvoked();
2939	>	}}
2940
2941		/**
2942	<	* runAfterEitherAsync result completes exceptionally if action does
2942	>	* thenCompose result completes exceptionally if action does
2943		*/
2944	<	public void testRunAfterEitherAsync3E() {
2945	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2946	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2947	<	FailingNoop r = new FailingNoop();
2948	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2949	<	f.complete(one);
2944	>	public void testThenCompose_actionFailed() {
2945	>	for (ExecutionMode m : ExecutionMode.values())
2946	>	for (boolean createIncomplete : new boolean[] { true, false })
2947	>	for (Integer v1 : new Integer[] { 1, null })
2948	>	{
2949	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2950	>	final FailingCompletableFutureFunction r
2951	>	= new FailingCompletableFutureFunction(m);
2952	>	if (!createIncomplete) assertTrue(f.complete(v1));
2953	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2954	>	if (createIncomplete) assertTrue(f.complete(v1));
2955	>
2956		checkCompletedWithWrappedCFException(g);
2957	<	}
2957	>	checkCompletedNormally(f, v1);
2958	>	}}
2959
2960		/**
2961	<	* runAfterEitherAsync result completes exceptionally if either
2886	<	* source cancelled
2961	>	* thenCompose result completes exceptionally if source cancelled
2962		*/
2963	<	public void testRunAfterEitherAsync4E() {
2964	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2965	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2966	<	Noop r = new Noop();
2967	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2968	<	assertTrue(f.cancel(true));
2969	<	checkCompletedWithWrappedCancellationException(g);
2963	>	public void testThenCompose_sourceCancelled() {
2964	>	for (ExecutionMode m : ExecutionMode.values())
2965	>	for (boolean createIncomplete : new boolean[] { true, false })
2966	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2967	>	{
2968	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2969	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2970	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2971	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2972	>	if (createIncomplete) {
2973	>	checkIncomplete(g);
2974	>	assertTrue(f.cancel(mayInterruptIfRunning));
2975	>	}
2976
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());
2977		checkCompletedWithWrappedCancellationException(g);
2978	<	}
2979	<
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	<	}
2978	>	checkCancelled(f);
2979	>	}}
2980
2981		/**
2982	<	* thenComposeAsync result completes exceptionally if action does
2982	>	* thenCompose result completes exceptionally if the result of the action does
2983		*/
2984	<	public void testThenComposeAsync3E() {
2985	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2986	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2987	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2988	<	f.complete(one);
2989	<	checkCompletedWithWrappedCFException(g);
2990	<	}
2984	>	public void testThenCompose_actionReturnsFailingFuture() {
2985	>	for (ExecutionMode m : ExecutionMode.values())
2986	>	for (int order = 0; order < 6; order++)
2987	>	for (Integer v1 : new Integer[] { 1, null })
2988	>	{
2989	>	final CFException ex = new CFException();
2990	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2991	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2992	>	final CompletableFuture<Integer> h;
2993	>	// Test all permutations of orders
2994	>	switch (order) {
2995	>	case 0:
2996	>	assertTrue(f.complete(v1));
2997	>	assertTrue(g.completeExceptionally(ex));
2998	>	h = m.thenCompose(f, (x -> g));
2999	>	break;
3000	>	case 1:
3001	>	assertTrue(f.complete(v1));
3002	>	h = m.thenCompose(f, (x -> g));
3003	>	assertTrue(g.completeExceptionally(ex));
3004	>	break;
3005	>	case 2:
3006	>	assertTrue(g.completeExceptionally(ex));
3007	>	assertTrue(f.complete(v1));
3008	>	h = m.thenCompose(f, (x -> g));
3009	>	break;
3010	>	case 3:
3011	>	assertTrue(g.completeExceptionally(ex));
3012	>	h = m.thenCompose(f, (x -> g));
3013	>	assertTrue(f.complete(v1));
3014	>	break;
3015	>	case 4:
3016	>	h = m.thenCompose(f, (x -> g));
3017	>	assertTrue(f.complete(v1));
3018	>	assertTrue(g.completeExceptionally(ex));
3019	>	break;
3020	>	case 5:
3021	>	h = m.thenCompose(f, (x -> g));
3022	>	assertTrue(f.complete(v1));
3023	>	assertTrue(g.completeExceptionally(ex));
3024	>	break;
3025	>	default: throw new AssertionError();
3026	>	}
3027
3028	<	/**
3029	<	* thenComposeAsync result completes exceptionally if source cancelled
3030	<	*/
3031	<	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	<	}
3028	>	checkCompletedExceptionally(g, ex);
3029	>	checkCompletedWithWrappedException(h, ex);
3030	>	checkCompletedNormally(f, v1);
3031	>	}}
3032
3033		// other static methods
3034
#	Line 2963 | Line 3046 | public class CompletableFutureTest exten
3046		* when all components complete normally
3047		*/
3048		public void testAllOf_normal() throws Exception {
3049	<	for (int k = 1; k < 20; ++k) {
3050	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3051	<	for (int i = 0; i < k; ++i)
3049	>	for (int k = 1; k < 10; k++) {
3050	>	CompletableFuture<Integer>[] fs
3051	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3052	>	for (int i = 0; i < k; i++)
3053	>	fs[i] = new CompletableFuture<>();
3054	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3055	>	for (int i = 0; i < k; i++) {
3056	>	checkIncomplete(f);
3057	>	checkIncomplete(CompletableFuture.allOf(fs));
3058	>	fs[i].complete(one);
3059	>	}
3060	>	checkCompletedNormally(f, null);
3061	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3062	>	}
3063	>	}
3064	>
3065	>	public void testAllOf_backwards() throws Exception {
3066	>	for (int k = 1; k < 10; k++) {
3067	>	CompletableFuture<Integer>[] fs
3068	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3069	>	for (int i = 0; i < k; i++)
3070		fs[i] = new CompletableFuture<>();
3071		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3072	<	for (int i = 0; i < k; ++i) {
3072	>	for (int i = k - 1; i >= 0; i--) {
3073		checkIncomplete(f);
3074		checkIncomplete(CompletableFuture.allOf(fs));
3075		fs[i].complete(one);
#	Line 2978 | Line 3079 | public class CompletableFutureTest exten
3079		}
3080		}
3081
3082	+	public void testAllOf_exceptional() throws Exception {
3083	+	for (int k = 1; k < 10; k++) {
3084	+	CompletableFuture<Integer>[] fs
3085	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3086	+	CFException ex = new CFException();
3087	+	for (int i = 0; i < k; i++)
3088	+	fs[i] = new CompletableFuture<>();
3089	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3090	+	for (int i = 0; i < k; i++) {
3091	+	checkIncomplete(f);
3092	+	checkIncomplete(CompletableFuture.allOf(fs));
3093	+	if (i != k / 2) {
3094	+	fs[i].complete(i);
3095	+	checkCompletedNormally(fs[i], i);
3096	+	} else {
3097	+	fs[i].completeExceptionally(ex);
3098	+	checkCompletedExceptionally(fs[i], ex);
3099	+	}
3100	+	}
3101	+	checkCompletedWithWrappedException(f, ex);
3102	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3103	+	}
3104	+	}
3105	+
3106		/**
3107		* anyOf(no component futures) returns an incomplete future
3108		*/
3109		public void testAnyOf_empty() throws Exception {
3110	+	for (Integer v1 : new Integer[] { 1, null })
3111	+	{
3112		CompletableFuture<Object> f = CompletableFuture.anyOf();
3113		checkIncomplete(f);
3114	<	}
3114	>
3115	>	f.complete(v1);
3116	>	checkCompletedNormally(f, v1);
3117	>	}}
3118
3119		/**
3120		* anyOf returns a future completed normally with a value when
3121		* a component future does
3122		*/
3123		public void testAnyOf_normal() throws Exception {
3124	<	for (int k = 0; k < 10; ++k) {
3124	>	for (int k = 0; k < 10; k++) {
3125		CompletableFuture[] fs = new CompletableFuture[k];
3126	<	for (int i = 0; i < k; ++i)
3126	>	for (int i = 0; i < k; i++)
3127		fs[i] = new CompletableFuture<>();
3128		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3129		checkIncomplete(f);
3130	<	for (int i = 0; i < k; ++i) {
3131	<	fs[i].complete(one);
3132	<	checkCompletedNormally(f, one);
3133	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3130	>	for (int i = 0; i < k; i++) {
3131	>	fs[i].complete(i);
3132	>	checkCompletedNormally(f, 0);
3133	>	int x = (int) CompletableFuture.anyOf(fs).join();
3134	>	assertTrue(0 <= x && x <= i);
3135	>	}
3136	>	}
3137	>	}
3138	>	public void testAnyOf_normal_backwards() throws Exception {
3139	>	for (int k = 0; k < 10; k++) {
3140	>	CompletableFuture[] fs = new CompletableFuture[k];
3141	>	for (int i = 0; i < k; i++)
3142	>	fs[i] = new CompletableFuture<>();
3143	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3144	>	checkIncomplete(f);
3145	>	for (int i = k - 1; i >= 0; i--) {
3146	>	fs[i].complete(i);
3147	>	checkCompletedNormally(f, k - 1);
3148	>	int x = (int) CompletableFuture.anyOf(fs).join();
3149	>	assertTrue(i <= x && x <= k - 1);
3150		}
3151		}
3152		}
#	Line 3009 | Line 3155 | public class CompletableFutureTest exten
3155		* anyOf result completes exceptionally when any component does.
3156		*/
3157		public void testAnyOf_exceptional() throws Exception {
3158	<	for (int k = 0; k < 10; ++k) {
3158	>	for (int k = 0; k < 10; k++) {
3159		CompletableFuture[] fs = new CompletableFuture[k];
3160	<	for (int i = 0; i < k; ++i)
3160	>	CFException[] exs = new CFException[k];
3161	>	for (int i = 0; i < k; i++) {
3162		fs[i] = new CompletableFuture<>();
3163	+	exs[i] = new CFException();
3164	+	}
3165		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3166		checkIncomplete(f);
3167	<	for (int i = 0; i < k; ++i) {
3168	<	fs[i].completeExceptionally(new CFException());
3169	<	checkCompletedWithWrappedCFException(f);
3167	>	for (int i = 0; i < k; i++) {
3168	>	fs[i].completeExceptionally(exs[i]);
3169	>	checkCompletedWithWrappedException(f, exs[0]);
3170	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3171	>	}
3172	>	}
3173	>	}
3174	>
3175	>	public void testAnyOf_exceptional_backwards() throws Exception {
3176	>	for (int k = 0; k < 10; k++) {
3177	>	CompletableFuture[] fs = new CompletableFuture[k];
3178	>	CFException[] exs = new CFException[k];
3179	>	for (int i = 0; i < k; i++) {
3180	>	fs[i] = new CompletableFuture<>();
3181	>	exs[i] = new CFException();
3182	>	}
3183	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3184	>	checkIncomplete(f);
3185	>	for (int i = k - 1; i >= 0; i--) {
3186	>	fs[i].completeExceptionally(exs[i]);
3187	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3188		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3189		}
3190		}
#	Line 3030 | Line 3197 | public class CompletableFutureTest exten
3197		CompletableFuture<Integer> f = new CompletableFuture<>();
3198		CompletableFuture<Integer> g = new CompletableFuture<>();
3199		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3033	–	CompletableFuture<?> h;
3200		ThreadExecutor exec = new ThreadExecutor();
3201
3202		Runnable[] throwingActions = {
3203		() -> CompletableFuture.supplyAsync(null),
3204		() -> CompletableFuture.supplyAsync(null, exec),
3205	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3205	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3206
3207		() -> CompletableFuture.runAsync(null),
3208		() -> CompletableFuture.runAsync(null, exec),
#	Line 3109 | Line 3275 | public class CompletableFutureTest exten
3275
3276		() -> f.thenCompose(null),
3277		() -> f.thenComposeAsync(null),
3278	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3278	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3279		() -> f.thenComposeAsync(null, exec),
3280
3281		() -> f.exceptionally(null),
#	Line 3127 | Line 3293 | public class CompletableFutureTest exten
3293		() -> CompletableFuture.anyOf(null, f),
3294
3295		() -> f.obtrudeException(null),
3296	+
3297	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3298	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3299	+	() -> CompletableFuture.delayedExecutor(1L, null),
3300	+
3301	+	() -> f.orTimeout(1L, null),
3302	+	() -> f.completeOnTimeout(42, 1L, null),
3303	+
3304	+	() -> CompletableFuture.failedFuture(null),
3305	+	() -> CompletableFuture.failedStage(null),
3306		};
3307
3308		assertThrows(NullPointerException.class, throwingActions);
#	Line 3141 | Line 3317 | public class CompletableFutureTest exten
3317		assertSame(f, f.toCompletableFuture());
3318		}
3319
3320	+	// jdk9
3321	+
3322		/**
3323	<	* whenComplete action executes on normal completion, propagating
3146	<	* source result.
3323	>	* newIncompleteFuture returns an incomplete CompletableFuture
3324		*/
3325	<	public void testWhenComplete1() {
3326	<	final AtomicInteger a = new AtomicInteger();
3325	>	public void testNewIncompleteFuture() {
3326	>	for (Integer v1 : new Integer[] { 1, null })
3327	>	{
3328		CompletableFuture<Integer> f = new CompletableFuture<>();
3329	<	CompletableFuture<Integer> g =
3330	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3331	<	f.complete(three);
3332	<	checkCompletedNormally(f, three);
3333	<	checkCompletedNormally(g, three);
3334	<	assertEquals(a.get(), 1);
3329	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3330	>	checkIncomplete(f);
3331	>	checkIncomplete(g);
3332	>	f.complete(v1);
3333	>	checkCompletedNormally(f, v1);
3334	>	checkIncomplete(g);
3335	>	g.complete(v1);
3336	>	checkCompletedNormally(g, v1);
3337	>	assertSame(g.getClass(), CompletableFuture.class);
3338	>	}}
3339	>
3340	>	/**
3341	>	* completedStage returns a completed CompletionStage
3342	>	*/
3343	>	public void testCompletedStage() {
3344	>	AtomicInteger x = new AtomicInteger(0);
3345	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3346	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3347	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3348	>	assertEquals(x.get(), 1);
3349	>	assertNull(r.get());
3350		}
3351
3352		/**
3353	<	* whenComplete action executes on exceptional completion, propagating
3354	<	* source result.
3353	>	* defaultExecutor by default returns the commonPool if
3354	>	* it supports more than one thread.
3355		*/
3356	<	public void testWhenComplete2() {
3164	<	final AtomicInteger a = new AtomicInteger();
3356	>	public void testDefaultExecutor() {
3357		CompletableFuture<Integer> f = new CompletableFuture<>();
3358	<	CompletableFuture<Integer> g =
3359	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3360	<	f.completeExceptionally(new CFException());
3361	<	assertTrue(f.isCompletedExceptionally());
3362	<	assertTrue(g.isCompletedExceptionally());
3363	<	assertEquals(a.get(), 1);
3358	>	Executor e = f.defaultExecutor();
3359	>	Executor c = ForkJoinPool.commonPool();
3360	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3361	>	assertSame(e, c);
3362	>	else
3363	>	assertNotSame(e, c);
3364		}
3365
3366		/**
3367	<	* If a whenComplete action throws an exception when triggered by
3368	<	* a normal completion, it completes exceptionally
3367	>	* failedFuture returns a CompletableFuture completed
3368	>	* exceptionally with the given Exception
3369		*/
3370	<	public void testWhenComplete3() {
3371	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3372	<	CompletableFuture<Integer> g =
3373	<	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);
3370	>	public void testFailedFuture() {
3371	>	CFException ex = new CFException();
3372	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3373	>	checkCompletedExceptionally(f, ex);
3374		}
3375
3376		/**
3377	<	* whenCompleteAsync action executes on normal completion, propagating
3191	<	* source result.
3377	>	* failedFuture(null) throws NPE
3378		*/
3379	<	public void testWhenCompleteAsync1() {
3380	<	final AtomicInteger a = new AtomicInteger();
3381	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3382	<	CompletableFuture<Integer> g =
3383	<	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);
3379	>	public void testFailedFuture_null() {
3380	>	try {
3381	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3382	>	shouldThrow();
3383	>	} catch (NullPointerException success) {}
3384		}
3385
3386		/**
3387	<	* whenCompleteAsync action executes on exceptional completion, propagating
3388	<	* source result.
3387	>	* copy returns a CompletableFuture that is completed normally,
3388	>	* with the same value, when source is.
3389		*/
3390	<	public void testWhenCompleteAsync2() {
3209	<	final AtomicInteger a = new AtomicInteger();
3390	>	public void testCopy() {
3391		CompletableFuture<Integer> f = new CompletableFuture<>();
3392	<	CompletableFuture<Integer> g =
3393	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3394	<	f.completeExceptionally(new CFException());
3395	<	checkCompletedWithWrappedCFException(f);
3396	<	checkCompletedWithWrappedCFException(g);
3392	>	CompletableFuture<Integer> g = f.copy();
3393	>	checkIncomplete(f);
3394	>	checkIncomplete(g);
3395	>	f.complete(1);
3396	>	checkCompletedNormally(f, 1);
3397	>	checkCompletedNormally(g, 1);
3398		}
3399
3400		/**
3401	<	* If a whenCompleteAsync action throws an exception when
3402	<	* triggered by a normal completion, it completes exceptionally
3401	>	* copy returns a CompletableFuture that is completed exceptionally
3402	>	* when source is.
3403		*/
3404	<	public void testWhenCompleteAsync3() {
3404	>	public void testCopy2() {
3405		CompletableFuture<Integer> f = new CompletableFuture<>();
3406	<	CompletableFuture<Integer> g =
3407	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3408	<	{ throw new CFException(); } );
3409	<	f.complete(three);
3410	<	checkCompletedNormally(f, three);
3411	<	checkCompletedWithWrappedCFException(g);
3406	>	CompletableFuture<Integer> g = f.copy();
3407	>	checkIncomplete(f);
3408	>	checkIncomplete(g);
3409	>	CFException ex = new CFException();
3410	>	f.completeExceptionally(ex);
3411	>	checkCompletedExceptionally(f, ex);
3412	>	checkCompletedWithWrappedException(g, ex);
3413		}
3414
3415		/**
3416	<	* whenCompleteAsync action executes on normal completion, propagating
3417	<	* source result.
3416	>	* minimalCompletionStage returns a CompletableFuture that is
3417	>	* completed normally, with the same value, when source is.
3418		*/
3419	<	public void testWhenCompleteAsync1e() {
3237	<	final AtomicInteger a = new AtomicInteger();
3238	<	ThreadExecutor exec = new ThreadExecutor();
3419	>	public void testMinimalCompletionStage() {
3420		CompletableFuture<Integer> f = new CompletableFuture<>();
3421	<	CompletableFuture<Integer> g =
3422	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3423	<	exec);
3424	<	f.complete(three);
3425	<	checkCompletedNormally(f, three);
3426	<	checkCompletedNormally(g, three);
3427	<	assertEquals(a.get(), 1);
3421	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3422	>	AtomicInteger x = new AtomicInteger(0);
3423	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3424	>	checkIncomplete(f);
3425	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3426	>	f.complete(1);
3427	>	checkCompletedNormally(f, 1);
3428	>	assertEquals(x.get(), 1);
3429	>	assertNull(r.get());
3430		}
3431
3432		/**
3433	<	* whenCompleteAsync action executes on exceptional completion, propagating
3434	<	* source result.
3433	>	* minimalCompletionStage returns a CompletableFuture that is
3434	>	* completed exceptionally when source is.
3435		*/
3436	<	public void testWhenCompleteAsync2e() {
3254	<	final AtomicInteger a = new AtomicInteger();
3255	<	ThreadExecutor exec = new ThreadExecutor();
3436	>	public void testMinimalCompletionStage2() {
3437		CompletableFuture<Integer> f = new CompletableFuture<>();
3438	<	CompletableFuture<Integer> g =
3439	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3440	<	exec);
3441	<	f.completeExceptionally(new CFException());
3442	<	checkCompletedWithWrappedCFException(f);
3443	<	checkCompletedWithWrappedCFException(g);
3438	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3439	>	AtomicInteger x = new AtomicInteger(0);
3440	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3441	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3442	>	checkIncomplete(f);
3443	>	CFException ex = new CFException();
3444	>	f.completeExceptionally(ex);
3445	>	checkCompletedExceptionally(f, ex);
3446	>	assertEquals(x.get(), 0);
3447	>	assertEquals(r.get().getCause(), ex);
3448		}
3449
3450		/**
3451	<	* If a whenCompleteAsync action throws an exception when triggered
3452	<	* by a normal completion, it completes exceptionally
3451	>	* failedStage returns a CompletionStage completed
3452	>	* exceptionally with the given Exception
3453		*/
3454	<	public void testWhenCompleteAsync3e() {
3455	<	ThreadExecutor exec = new ThreadExecutor();
3454	>	public void testFailedStage() {
3455	>	CFException ex = new CFException();
3456	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3457	>	AtomicInteger x = new AtomicInteger(0);
3458	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3459	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3460	>	assertEquals(x.get(), 0);
3461	>	assertEquals(r.get(), ex);
3462	>	}
3463	>
3464	>	/**
3465	>	* completeAsync completes with value of given supplier
3466	>	*/
3467	>	public void testCompleteAsync() {
3468	>	for (Integer v1 : new Integer[] { 1, null })
3469	>	{
3470		CompletableFuture<Integer> f = new CompletableFuture<>();
3471	<	CompletableFuture<Integer> g =
3472	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3473	<	{ throw new CFException(); },
3474	<	exec);
3475	<	f.complete(three);
3476	<	checkCompletedNormally(f, three);
3477	<	checkCompletedWithWrappedCFException(g);
3471	>	f.completeAsync(() -> v1);
3472	>	f.join();
3473	>	checkCompletedNormally(f, v1);
3474	>	}}
3475	>
3476	>	/**
3477	>	* completeAsync completes exceptionally if given supplier throws
3478	>	*/
3479	>	public void testCompleteAsync2() {
3480	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3481	>	CFException ex = new CFException();
3482	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3483	>	try {
3484	>	f.join();
3485	>	shouldThrow();
3486	>	} catch (CompletionException success) {}
3487	>	checkCompletedWithWrappedException(f, ex);
3488		}
3489
3490		/**
3491	<	* handleAsync action completes normally with function value on
3283	<	* either normal or exceptional completion of source
3491	>	* completeAsync with given executor completes with value of given supplier
3492		*/
3493	<	public void testHandleAsync() {
3494	<	CompletableFuture<Integer> f, g;
3495	<	IntegerHandler r;
3493	>	public void testCompleteAsync3() {
3494	>	for (Integer v1 : new Integer[] { 1, null })
3495	>	{
3496	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3497	>	ThreadExecutor executor = new ThreadExecutor();
3498	>	f.completeAsync(() -> v1, executor);
3499	>	assertSame(v1, f.join());
3500	>	checkCompletedNormally(f, v1);
3501	>	assertEquals(1, executor.count.get());
3502	>	}}
3503
3504	<	f = new CompletableFuture<>();
3505	<	g = f.handleAsync(r = new IntegerHandler());
3506	<	assertFalse(r.ran);
3507	<	f.completeExceptionally(new CFException());
3508	<	checkCompletedWithWrappedCFException(f);
3509	<	checkCompletedNormally(g, three);
3510	<	assertTrue(r.ran);
3504	>	/**
3505	>	* completeAsync with given executor completes exceptionally if
3506	>	* given supplier throws
3507	>	*/
3508	>	public void testCompleteAsync4() {
3509	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3510	>	CFException ex = new CFException();
3511	>	ThreadExecutor executor = new ThreadExecutor();
3512	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3513	>	try {
3514	>	f.join();
3515	>	shouldThrow();
3516	>	} catch (CompletionException success) {}
3517	>	checkCompletedWithWrappedException(f, ex);
3518	>	assertEquals(1, executor.count.get());
3519	>	}
3520
3521	<	f = new CompletableFuture<>();
3522	<	g = f.handleAsync(r = new IntegerHandler());
3523	<	assertFalse(r.ran);
3524	<	f.completeExceptionally(new CFException());
3525	<	checkCompletedWithWrappedCFException(f);
3526	<	checkCompletedNormally(g, three);
3527	<	assertTrue(r.ran);
3521	>	/**
3522	>	* orTimeout completes with TimeoutException if not complete
3523	>	*/
3524	>	public void testOrTimeout_timesOut() {
3525	>	long timeoutMillis = timeoutMillis();
3526	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3527	>	long startTime = System.nanoTime();
3528	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3529	>	checkCompletedWithTimeoutException(f);
3530	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3531	>	}
3532
3533	<	f = new CompletableFuture<>();
3534	<	g = f.handleAsync(r = new IntegerHandler());
3535	<	assertFalse(r.ran);
3536	<	f.complete(one);
3537	<	checkCompletedNormally(f, one);
3538	<	checkCompletedNormally(g, two);
3539	<	assertTrue(r.ran);
3533	>	/**
3534	>	* orTimeout completes normally if completed before timeout
3535	>	*/
3536	>	public void testOrTimeout_completed() {
3537	>	for (Integer v1 : new Integer[] { 1, null })
3538	>	{
3539	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3540	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3541	>	long startTime = System.nanoTime();
3542	>	f.complete(v1);
3543	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3544	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3545	>	g.complete(v1);
3546	>	checkCompletedNormally(f, v1);
3547	>	checkCompletedNormally(g, v1);
3548	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3549	>	}}
3550
3551	<	f = new CompletableFuture<>();
3552	<	g = f.handleAsync(r = new IntegerHandler());
3553	<	assertFalse(r.ran);
3554	<	f.complete(one);
3555	<	checkCompletedNormally(f, one);
3556	<	checkCompletedNormally(g, two);
3319	<	assertTrue(r.ran);
3551	>	/**
3552	>	* completeOnTimeout completes with given value if not complete
3553	>	*/
3554	>	public void testCompleteOnTimeout_timesOut() {
3555	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3556	>	() -> testCompleteOnTimeout_timesOut(null));
3557		}
3558
3559		/**
3560	<	* handleAsync action with Executor completes normally with
3324	<	* function value on either normal or exceptional completion of
3325	<	* source
3560	>	* completeOnTimeout completes with given value if not complete
3561		*/
3562	<	public void testHandleAsync2() {
3563	<	CompletableFuture<Integer> f, g;
3564	<	ThreadExecutor exec = new ThreadExecutor();
3565	<	IntegerHandler r;
3562	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3563	>	long timeoutMillis = timeoutMillis();
3564	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3565	>	long startTime = System.nanoTime();
3566	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3567	>	assertSame(v, f.join());
3568	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3569	>	f.complete(99);         // should have no effect
3570	>	checkCompletedNormally(f, v);
3571	>	}
3572
3573	<	f = new CompletableFuture<>();
3574	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3575	<	assertFalse(r.ran);
3576	<	f.completeExceptionally(new CFException());
3577	<	checkCompletedWithWrappedCFException(f);
3578	<	checkCompletedNormally(g, three);
3579	<	assertTrue(r.ran);
3573	>	/**
3574	>	* completeOnTimeout has no effect if completed within timeout
3575	>	*/
3576	>	public void testCompleteOnTimeout_completed() {
3577	>	for (Integer v1 : new Integer[] { 1, null })
3578	>	{
3579	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3580	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3581	>	long startTime = System.nanoTime();
3582	>	f.complete(v1);
3583	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3584	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3585	>	g.complete(v1);
3586	>	checkCompletedNormally(f, v1);
3587	>	checkCompletedNormally(g, v1);
3588	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3589	>	}}
3590
3591	<	f = new CompletableFuture<>();
3592	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3593	<	assertFalse(r.ran);
3594	<	f.completeExceptionally(new CFException());
3595	<	checkCompletedWithWrappedCFException(f);
3596	<	checkCompletedNormally(g, three);
3597	<	assertTrue(r.ran);
3591	>	/**
3592	>	* delayedExecutor returns an executor that delays submission
3593	>	*/
3594	>	public void testDelayedExecutor() {
3595	>	testInParallel(() -> testDelayedExecutor(null, null),
3596	>	() -> testDelayedExecutor(null, 1),
3597	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3598	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3599	>	}
3600	>
3601	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3602	>	long timeoutMillis = timeoutMillis();
3603	>	// Use an "unreasonably long" long timeout to catch lingering threads
3604	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3605	>	final Executor delayer, longDelayer;
3606	>	if (executor == null) {
3607	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3608	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3609	>	} else {
3610	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3611	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3612	>	}
3613	>	long startTime = System.nanoTime();
3614	>	CompletableFuture<Integer> f =
3615	>	CompletableFuture.supplyAsync(() -> v, delayer);
3616	>	CompletableFuture<Integer> g =
3617	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3618
3619	<	f = new CompletableFuture<>();
3349	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3350	<	assertFalse(r.ran);
3351	<	f.complete(one);
3352	<	checkCompletedNormally(f, one);
3353	<	checkCompletedNormally(g, two);
3354	<	assertTrue(r.ran);
3619	>	assertNull(g.getNow(null));
3620
3621	<	f = new CompletableFuture<>();
3622	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3623	<	assertFalse(r.ran);
3624	<	f.complete(one);
3625	<	checkCompletedNormally(f, one);
3626	<	checkCompletedNormally(g, two);
3627	<	assertTrue(r.ran);
3621	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3622	>	long millisElapsed = millisElapsedSince(startTime);
3623	>	assertTrue(millisElapsed >= timeoutMillis);
3624	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3625	>
3626	>	checkCompletedNormally(f, v);
3627	>
3628	>	checkIncomplete(g);
3629	>	assertTrue(g.cancel(true));
3630	>	}
3631	>
3632	>	//--- tests of implementation details; not part of official tck ---
3633	>
3634	>	Object resultOf(CompletableFuture<?> f) {
3635	>	SecurityManager sm = System.getSecurityManager();
3636	>	if (sm != null) {
3637	>	try {
3638	>	System.setSecurityManager(null);
3639	>	} catch (SecurityException giveUp) {
3640	>	return "Reflection not available";
3641	>	}
3642	>	}
3643	>
3644	>	try {
3645	>	java.lang.reflect.Field resultField
3646	>	= CompletableFuture.class.getDeclaredField("result");
3647	>	resultField.setAccessible(true);
3648	>	return resultField.get(f);
3649	>	} catch (Throwable t) {
3650	>	throw new AssertionError(t);
3651	>	} finally {
3652	>	if (sm != null) System.setSecurityManager(sm);
3653	>	}
3654	>	}
3655	>
3656	>	public void testExceptionPropagationReusesResultObject() {
3657	>	if (!testImplementationDetails) return;
3658	>	for (ExecutionMode m : ExecutionMode.values())
3659	>	{
3660	>	final CFException ex = new CFException();
3661	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3662	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3663	>
3664	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3665	>	= new ArrayList<>();
3666	>
3667	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3668	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3669	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3670	>
3671	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3672	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3673	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3674	>
3675	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3676	>	funs.add((y) -> m.runAfterBoth(v42, y, new Noop(m)));
3677	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3678	>	funs.add((y) -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3679	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3680	>	funs.add((y) -> m.thenCombine(v42, y, new SubtractFunction(m)));
3681	>
3682	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3683	>
3684	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3685	>
3686	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y}));
3687	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3688	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {v42, y}));
3689	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y}));
3690	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3691	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {incomplete, y}));
3692	>
3693	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3694	>	fun : funs) {
3695	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3696	>	f.completeExceptionally(ex);
3697	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3698	>	checkCompletedWithWrappedException(src, ex);
3699	>	CompletableFuture<?> dep = fun.apply(src);
3700	>	checkCompletedWithWrappedException(dep, ex);
3701	>	assertSame(resultOf(src), resultOf(dep));
3702	>	}
3703	>
3704	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3705	>	fun : funs) {
3706	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3707	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3708	>	CompletableFuture<?> dep = fun.apply(src);
3709	>	f.completeExceptionally(ex);
3710	>	checkCompletedWithWrappedException(src, ex);
3711	>	checkCompletedWithWrappedException(dep, ex);
3712	>	assertSame(resultOf(src), resultOf(dep));
3713	>	}
3714	>
3715	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3716	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3717	>	fun : funs) {
3718	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3719	>	f.cancel(mayInterruptIfRunning);
3720	>	checkCancelled(f);
3721	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3722	>	checkCompletedWithWrappedCancellationException(src);
3723	>	CompletableFuture<?> dep = fun.apply(src);
3724	>	checkCompletedWithWrappedCancellationException(dep);
3725	>	assertSame(resultOf(src), resultOf(dep));
3726	>	}
3727	>
3728	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3729	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3730	>	fun : funs) {
3731	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3732	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3733	>	CompletableFuture<?> dep = fun.apply(src);
3734	>	f.cancel(mayInterruptIfRunning);
3735	>	checkCancelled(f);
3736	>	checkCompletedWithWrappedCancellationException(src);
3737	>	checkCompletedWithWrappedCancellationException(dep);
3738	>	assertSame(resultOf(src), resultOf(dep));
3739	>	}
3740	>	}}
3741	>
3742	>	/**
3743	>	* Minimal completion stages throw UOE for all non-CompletionStage methods
3744	>	*/
3745	>	public void testMinimalCompletionStage_minimality() {
3746	>	if (!testImplementationDetails) return;
3747	>	Function<Method, String> toSignature =
3748	>	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3749	>	Predicate<Method> isNotStatic =
3750	>	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3751	>	List<Method> minimalMethods =
3752	>	Stream.of(Object.class, CompletionStage.class)
3753	>	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3754	>	.filter(isNotStatic)
3755	>	.collect(Collectors.toList());
3756	>	// Methods from CompletableFuture permitted NOT to throw UOE
3757	>	String[] signatureWhitelist = {
3758	>	"newIncompleteFuture[]",
3759	>	"defaultExecutor[]",
3760	>	"minimalCompletionStage[]",
3761	>	"copy[]",
3762	>	};
3763	>	Set<String> permittedMethodSignatures =
3764	>	Stream.concat(minimalMethods.stream().map(toSignature),
3765	>	Stream.of(signatureWhitelist))
3766	>	.collect(Collectors.toSet());
3767	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3768	>	.filter(isNotStatic)
3769	>	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3770	>	.collect(Collectors.toList());
3771	>
3772	>	CompletionStage<Integer> minimalStage =
3773	>	new CompletableFuture<Integer>().minimalCompletionStage();
3774	>
3775	>	List<Method> bugs = new ArrayList<>();
3776	>	for (Method method : allMethods) {
3777	>	Class<?>[] parameterTypes = method.getParameterTypes();
3778	>	Object[] args = new Object[parameterTypes.length];
3779	>	// Manufacture boxed primitives for primitive params
3780	>	for (int i = 0; i < args.length; i++) {
3781	>	Class<?> type = parameterTypes[i];
3782	>	if (parameterTypes[i] == boolean.class)
3783	>	args[i] = false;
3784	>	else if (parameterTypes[i] == int.class)
3785	>	args[i] = 0;
3786	>	else if (parameterTypes[i] == long.class)
3787	>	args[i] = 0L;
3788	>	}
3789	>	try {
3790	>	method.invoke(minimalStage, args);
3791	>	bugs.add(method);
3792	>	}
3793	>	catch (java.lang.reflect.InvocationTargetException expected) {
3794	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3795	>	bugs.add(method);
3796	>	// expected.getCause().printStackTrace();
3797	>	}
3798	>	}
3799	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3800	>	}
3801	>	if (!bugs.isEmpty())
3802	>	throw new Error("Methods did not throw UOE: " + bugs.toString());
3803		}
3804
3805	+	static class Monad {
3806	+	static class ZeroException extends RuntimeException {
3807	+	public ZeroException() { super("monadic zero"); }
3808	+	}
3809	+	// "return", "unit"
3810	+	static <T> CompletableFuture<T> unit(T value) {
3811	+	return completedFuture(value);
3812	+	}
3813	+	// monadic zero ?
3814	+	static <T> CompletableFuture<T> zero() {
3815	+	return failedFuture(new ZeroException());
3816	+	}
3817	+	// >=>
3818	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3819	+	(Function<T, CompletableFuture<U>> f,
3820	+	Function<U, CompletableFuture<V>> g) {
3821	+	return (x) -> f.apply(x).thenCompose(g);
3822	+	}
3823	+
3824	+	static void assertZero(CompletableFuture<?> f) {
3825	+	try {
3826	+	f.getNow(null);
3827	+	throw new AssertionFailedError("should throw");
3828	+	} catch (CompletionException success) {
3829	+	assertTrue(success.getCause() instanceof ZeroException);
3830	+	}
3831	+	}
3832	+
3833	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
3834	+	CompletableFuture<T> g) {
3835	+	T fval = null, gval = null;
3836	+	Throwable fex = null, gex = null;
3837	+
3838	+	try { fval = f.get(); }
3839	+	catch (ExecutionException ex) { fex = ex.getCause(); }
3840	+	catch (Throwable ex) { fex = ex; }
3841	+
3842	+	try { gval = g.get(); }
3843	+	catch (ExecutionException ex) { gex = ex.getCause(); }
3844	+	catch (Throwable ex) { gex = ex; }
3845	+
3846	+	if (fex != null || gex != null)
3847	+	assertSame(fex.getClass(), gex.getClass());
3848	+	else
3849	+	assertEquals(fval, gval);
3850	+	}
3851	+
3852	+	static class PlusFuture<T> extends CompletableFuture<T> {
3853	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3854	+	}
3855	+
3856	+	/** Implements "monadic plus". */
3857	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3858	+	CompletableFuture<? extends T> g) {
3859	+	PlusFuture<T> plus = new PlusFuture<T>();
3860	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3861	+	try {
3862	+	if (ex == null) {
3863	+	if (plus.complete(result))
3864	+	if (plus.firstFailure.get() != null)
3865	+	plus.firstFailure.set(null);
3866	+	}
3867	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
3868	+	if (plus.isDone())
3869	+	plus.firstFailure.set(null);
3870	+	}
3871	+	else {
3872	+	// first failure has precedence
3873	+	Throwable first = plus.firstFailure.getAndSet(null);
3874	+
3875	+	// may fail with "Self-suppression not permitted"
3876	+	try { first.addSuppressed(ex); }
3877	+	catch (Exception ignored) {}
3878	+
3879	+	plus.completeExceptionally(first);
3880	+	}
3881	+	} catch (Throwable unexpected) {
3882	+	plus.completeExceptionally(unexpected);
3883	+	}
3884	+	};
3885	+	f.whenComplete(action);
3886	+	g.whenComplete(action);
3887	+	return plus;
3888	+	}
3889	+	}
3890	+
3891	+	/**
3892	+	* CompletableFuture is an additive monad - sort of.
3893	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3894	+	*/
3895	+	public void testAdditiveMonad() throws Throwable {
3896	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3897	+	CompletableFuture<Long> zero = Monad.zero();
3898	+
3899	+	// Some mutually non-commutative functions
3900	+	Function<Long, CompletableFuture<Long>> triple
3901	+	= (x) -> Monad.unit(3 * x);
3902	+	Function<Long, CompletableFuture<Long>> inc
3903	+	= (x) -> Monad.unit(x + 1);
3904	+
3905	+	// unit is a right identity: m >>= unit === m
3906	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3907	+	inc.apply(5L));
3908	+	// unit is a left identity: (unit x) >>= f === f x
3909	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3910	+	inc.apply(5L));
3911	+
3912	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3913	+	Monad.assertFutureEquals(
3914	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3915	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3916	+
3917	+	// The case for CompletableFuture as an additive monad is weaker...
3918	+
3919	+	// zero is a monadic zero
3920	+	Monad.assertZero(zero);
3921	+
3922	+	// left zero: zero >>= f === zero
3923	+	Monad.assertZero(zero.thenCompose(inc));
3924	+	// right zero: f >>= (\x -> zero) === zero
3925	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3926	+
3927	+	// f plus zero === f
3928	+	Monad.assertFutureEquals(Monad.unit(5L),
3929	+	Monad.plus(Monad.unit(5L), zero));
3930	+	// zero plus f === f
3931	+	Monad.assertFutureEquals(Monad.unit(5L),
3932	+	Monad.plus(zero, Monad.unit(5L)));
3933	+	// zero plus zero === zero
3934	+	Monad.assertZero(Monad.plus(zero, zero));
3935	+	{
3936	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3937	+	Monad.unit(8L));
3938	+	// non-determinism
3939	+	assertTrue(f.get() == 5L || f.get() == 8L);
3940	+	}
3941	+
3942	+	CompletableFuture<Long> godot = new CompletableFuture<>();
3943	+	// f plus godot === f (doesn't wait for godot)
3944	+	Monad.assertFutureEquals(Monad.unit(5L),
3945	+	Monad.plus(Monad.unit(5L), godot));
3946	+	// godot plus f === f (doesn't wait for godot)
3947	+	Monad.assertFutureEquals(Monad.unit(5L),
3948	+	Monad.plus(godot, Monad.unit(5L)));
3949	+	}
3950	+
3951	+	/**
3952	+	* A single CompletableFuture with many dependents.
3953	+	* A demo of scalability - runtime is O(n).
3954	+	*/
3955	+	public void testManyDependents() throws Throwable {
3956	+	final int n = 1_000;
3957	+	final CompletableFuture<Void> head = new CompletableFuture<>();
3958	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
3959	+	final AtomicInteger count = new AtomicInteger(0);
3960	+	for (int i = 0; i < n; i++) {
3961	+	head.thenRun(() -> count.getAndIncrement());
3962	+	head.thenAccept((x) -> count.getAndIncrement());
3963	+	head.thenApply((x) -> count.getAndIncrement());
3964	+
3965	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
3966	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
3967	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
3968	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
3969	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
3970	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
3971	+
3972	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
3973	+	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3974	+	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3975	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
3976	+	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
3977	+	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
3978	+	}
3979	+	head.complete(null);
3980	+	assertEquals(5 * 3 * n, count.get());
3981	+	}
3982	+
3983	+	//     static <U> U join(CompletionStage<U> stage) {
3984	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3985	+	//         stage.whenComplete((v, ex) -> {
3986	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3987	+	//         });
3988	+	//         return f.join();
3989	+	//     }
3990	+
3991	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
3992	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3993	+	//         stage.whenComplete((v, ex) -> {
3994	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3995	+	//         });
3996	+	//         return f.isDone();
3997	+	//     }
3998	+
3999	+	//     static <U> U join2(CompletionStage<U> stage) {
4000	+	//         return stage.toCompletableFuture().copy().join();
4001	+	//     }
4002	+
4003	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4004	+	//         return stage.toCompletableFuture().copy().isDone();
4005	+	//     }
4006	+
4007		}

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