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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 1.135 by jsr166, Sun Nov 15 20:03:08 2015 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28	+	import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33		import java.util.concurrent.TimeoutException;
34	+	import java.util.concurrent.TimeUnit;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
22	<	import static java.util.concurrent.TimeUnit.SECONDS;
23	<	import java.util.*;
24	<	import java.util.function.Supplier;
25	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
27	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.AssertionFailedError;
45	+	import junit.framework.Test;
46	+	import junit.framework.TestSuite;
47
48		public class CompletableFutureTest extends JSR166TestCase {
49
50		public static void main(String[] args) {
51	<	junit.textui.TestRunner.run(suite());
51	>	main(suite(), args);
52		}
53		public static Test suite() {
54		return new TestSuite(CompletableFutureTest.class);
#	Line 41 | Line 59 | public class CompletableFutureTest exten
59		void checkIncomplete(CompletableFuture<?> f) {
60		assertFalse(f.isDone());
61		assertFalse(f.isCancelled());
62	<	assertTrue(f.toString().contains("[Not completed]"));
62	>	assertTrue(f.toString().contains("Not completed"));
63		try {
64		assertNull(f.getNow(null));
65		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 54 | Line 72 | public class CompletableFutureTest exten
72		}
73
74		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
75	<	try {
76	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
59	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
79		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 72 | Line 89 | public class CompletableFutureTest exten
89		assertTrue(f.toString().contains("[Completed normally]"));
90		}
91
92	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
93	<	try {
94	<	f.get(LONG_DELAY_MS, MILLISECONDS);
95	<	shouldThrow();
96	<	} catch (ExecutionException success) {
97	<	assertTrue(success.getCause() instanceof CFException);
98	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
99	<	try {
100	<	f.join();
101	<	shouldThrow();
102	<	} catch (CompletionException success) {
103	<	assertTrue(success.getCause() instanceof CFException);
104	<	}
105	<	try {
106	<	f.getNow(null);
107	<	shouldThrow();
108	<	} catch (CompletionException success) {
92	<	assertTrue(success.getCause() instanceof CFException);
92	>	/**
93	>	* Returns the "raw" internal exceptional completion of f,
94	>	* without any additional wrapping with CompletionException.
95	>	*/
96	>	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
97	>	// handle (and whenComplete) can distinguish between "direct"
98	>	// and "wrapped" exceptional completion
99	>	return f.handle((U u, Throwable t) -> t).join();
100	>	}
101	>
102	>	void checkCompletedExceptionally(CompletableFuture<?> f,
103	>	boolean wrapped,
104	>	Consumer<Throwable> checker) {
105	>	Throwable cause = exceptionalCompletion(f);
106	>	if (wrapped) {
107	>	assertTrue(cause instanceof CompletionException);
108	>	cause = cause.getCause();
109		}
110	<	try {
95	<	f.get();
96	<	shouldThrow();
97	<	} catch (ExecutionException success) {
98	<	assertTrue(success.getCause() instanceof CFException);
99	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
100	<	assertTrue(f.isDone());
101	<	assertFalse(f.isCancelled());
102	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
103	<	}
110	>	checker.accept(cause);
111
112	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
106	<	CFException ex) {
112	>	long startTime = System.nanoTime();
113		try {
114		f.get(LONG_DELAY_MS, MILLISECONDS);
115		shouldThrow();
116		} catch (ExecutionException success) {
117	<	assertSame(ex, success.getCause());
117	>	assertSame(cause, success.getCause());
118		} catch (Throwable fail) { threadUnexpectedException(fail); }
119	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
120	+
121		try {
122		f.join();
123		shouldThrow();
124		} catch (CompletionException success) {
125	<	assertSame(ex, success.getCause());
126	<	}
125	>	assertSame(cause, success.getCause());
126	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
127	>
128		try {
129		f.getNow(null);
130		shouldThrow();
131		} catch (CompletionException success) {
132	<	assertSame(ex, success.getCause());
133	<	}
132	>	assertSame(cause, success.getCause());
133	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
134	>
135		try {
136		f.get();
137		shouldThrow();
138		} catch (ExecutionException success) {
139	<	assertSame(ex, success.getCause());
139	>	assertSame(cause, success.getCause());
140		} catch (Throwable fail) { threadUnexpectedException(fail); }
141	<	assertTrue(f.isDone());
141	>
142		assertFalse(f.isCancelled());
143	+	assertTrue(f.isDone());
144	+	assertTrue(f.isCompletedExceptionally());
145		assertTrue(f.toString().contains("[Completed exceptionally]"));
146		}
147
148	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
149	+	checkCompletedExceptionally(f, true,
150	+	(t) -> assertTrue(t instanceof CFException));
151	+	}
152	+
153	+	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
154	+	checkCompletedExceptionally(f, true,
155	+	(t) -> assertTrue(t instanceof CancellationException));
156	+	}
157	+
158	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
159	+	checkCompletedExceptionally(f, false,
160	+	(t) -> assertTrue(t instanceof TimeoutException));
161	+	}
162	+
163	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
164	+	Throwable ex) {
165	+	checkCompletedExceptionally(f, true, (t) -> assertSame(t, ex));
166	+	}
167	+
168	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
169	+	checkCompletedExceptionally(f, false, (t) -> assertSame(t, ex));
170	+	}
171	+
172		void checkCancelled(CompletableFuture<?> f) {
173	+	long startTime = System.nanoTime();
174		try {
175		f.get(LONG_DELAY_MS, MILLISECONDS);
176		shouldThrow();
177		} catch (CancellationException success) {
178		} catch (Throwable fail) { threadUnexpectedException(fail); }
179	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
180	+
181		try {
182		f.join();
183		shouldThrow();
#	Line 152 | Line 191 | public class CompletableFutureTest exten
191		shouldThrow();
192		} catch (CancellationException success) {
193		} catch (Throwable fail) { threadUnexpectedException(fail); }
155	–	assertTrue(f.isDone());
156	–	assertTrue(f.isCompletedExceptionally());
157	–	assertTrue(f.isCancelled());
158	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
159	–	}
194
195	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
196	<	try {
163	<	f.get(LONG_DELAY_MS, MILLISECONDS);
164	<	shouldThrow();
165	<	} catch (ExecutionException success) {
166	<	assertTrue(success.getCause() instanceof CancellationException);
167	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
168	<	try {
169	<	f.join();
170	<	shouldThrow();
171	<	} catch (CompletionException success) {
172	<	assertTrue(success.getCause() instanceof CancellationException);
173	<	}
174	<	try {
175	<	f.getNow(null);
176	<	shouldThrow();
177	<	} catch (CompletionException success) {
178	<	assertTrue(success.getCause() instanceof CancellationException);
179	<	}
180	<	try {
181	<	f.get();
182	<	shouldThrow();
183	<	} catch (ExecutionException success) {
184	<	assertTrue(success.getCause() instanceof CancellationException);
185	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
195	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
196	>
197		assertTrue(f.isDone());
187	–	assertFalse(f.isCancelled());
198		assertTrue(f.isCompletedExceptionally());
199	+	assertTrue(f.isCancelled());
200		assertTrue(f.toString().contains("[Completed exceptionally]"));
201		}
202
#	Line 203 | Line 214 | public class CompletableFutureTest exten
214		* isCancelled, join, get, and getNow
215		*/
216		public void testComplete() {
217	+	for (Integer v1 : new Integer[] { 1, null })
218	+	{
219		CompletableFuture<Integer> f = new CompletableFuture<>();
220		checkIncomplete(f);
221	<	f.complete(one);
222	<	checkCompletedNormally(f, one);
223	<	}
221	>	assertTrue(f.complete(v1));
222	>	assertFalse(f.complete(v1));
223	>	checkCompletedNormally(f, v1);
224	>	}}
225
226		/**
227		* completeExceptionally completes exceptionally, as indicated by
#	Line 215 | Line 229 | public class CompletableFutureTest exten
229		*/
230		public void testCompleteExceptionally() {
231		CompletableFuture<Integer> f = new CompletableFuture<>();
232	+	CFException ex = new CFException();
233		checkIncomplete(f);
234	<	f.completeExceptionally(new CFException());
235	<	checkCompletedWithWrappedCFException(f);
234	>	f.completeExceptionally(ex);
235	>	checkCompletedExceptionally(f, ex);
236		}
237
238		/**
#	Line 225 | Line 240 | public class CompletableFutureTest exten
240		* methods isDone, isCancelled, join, get, and getNow
241		*/
242		public void testCancel() {
243	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
244	+	{
245		CompletableFuture<Integer> f = new CompletableFuture<>();
246		checkIncomplete(f);
247	<	assertTrue(f.cancel(true));
247	>	assertTrue(f.cancel(mayInterruptIfRunning));
248	>	assertTrue(f.cancel(mayInterruptIfRunning));
249	>	assertTrue(f.cancel(!mayInterruptIfRunning));
250		checkCancelled(f);
251	<	}
251	>	}}
252
253		/**
254		* obtrudeValue forces completion with given value
#	Line 237 | Line 256 | public class CompletableFutureTest exten
256		public void testObtrudeValue() {
257		CompletableFuture<Integer> f = new CompletableFuture<>();
258		checkIncomplete(f);
259	<	f.complete(one);
259	>	assertTrue(f.complete(one));
260		checkCompletedNormally(f, one);
261		f.obtrudeValue(three);
262		checkCompletedNormally(f, three);
#	Line 246 | Line 265 | public class CompletableFutureTest exten
265		f = new CompletableFuture<>();
266		f.obtrudeValue(three);
267		checkCompletedNormally(f, three);
268	+	f.obtrudeValue(null);
269	+	checkCompletedNormally(f, null);
270		f = new CompletableFuture<>();
271		f.completeExceptionally(new CFException());
272		f.obtrudeValue(four);
#	Line 256 | Line 277 | public class CompletableFutureTest exten
277		* obtrudeException forces completion with given exception
278		*/
279		public void testObtrudeException() {
280	<	CompletableFuture<Integer> f = new CompletableFuture<>();
281	<	checkIncomplete(f);
282	<	f.complete(one);
283	<	checkCompletedNormally(f, one);
284	<	f.obtrudeException(new CFException());
264	<	checkCompletedWithWrappedCFException(f);
280	>	for (Integer v1 : new Integer[] { 1, null })
281	>	{
282	>	CFException ex;
283	>	CompletableFuture<Integer> f;
284	>
285		f = new CompletableFuture<>();
286	<	f.obtrudeException(new CFException());
287	<	checkCompletedWithWrappedCFException(f);
286	>	assertTrue(f.complete(v1));
287	>	for (int i = 0; i < 2; i++) {
288	>	f.obtrudeException(ex = new CFException());
289	>	checkCompletedExceptionally(f, ex);
290	>	}
291	>
292	>	f = new CompletableFuture<>();
293	>	for (int i = 0; i < 2; i++) {
294	>	f.obtrudeException(ex = new CFException());
295	>	checkCompletedExceptionally(f, ex);
296	>	}
297	>
298		f = new CompletableFuture<>();
299	+	f.completeExceptionally(ex = new CFException());
300	+	f.obtrudeValue(v1);
301	+	checkCompletedNormally(f, v1);
302	+	f.obtrudeException(ex = new CFException());
303	+	checkCompletedExceptionally(f, ex);
304		f.completeExceptionally(new CFException());
305	<	f.obtrudeValue(four);
306	<	checkCompletedNormally(f, four);
307	<	f.obtrudeException(new CFException());
308	<	checkCompletedWithWrappedCFException(f);
274	<	}
305	>	checkCompletedExceptionally(f, ex);
306	>	assertFalse(f.complete(v1));
307	>	checkCompletedExceptionally(f, ex);
308	>	}}
309
310		/**
311		* getNumberOfDependents returns number of dependent tasks
312		*/
313		public void testGetNumberOfDependents() {
314	+	for (ExecutionMode m : ExecutionMode.values())
315	+	for (Integer v1 : new Integer[] { 1, null })
316	+	{
317		CompletableFuture<Integer> f = new CompletableFuture<>();
318	<	assertEquals(f.getNumberOfDependents(), 0);
319	<	CompletableFuture g = f.thenRun(new Noop());
320	<	assertEquals(f.getNumberOfDependents(), 1);
321	<	assertEquals(g.getNumberOfDependents(), 0);
322	<	CompletableFuture h = f.thenRun(new Noop());
323	<	assertEquals(f.getNumberOfDependents(), 2);
324	<	f.complete(1);
318	>	assertEquals(0, f.getNumberOfDependents());
319	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
320	>	assertEquals(1, f.getNumberOfDependents());
321	>	assertEquals(0, g.getNumberOfDependents());
322	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
323	>	assertEquals(2, f.getNumberOfDependents());
324	>	assertEquals(0, h.getNumberOfDependents());
325	>	assertTrue(f.complete(v1));
326		checkCompletedNormally(g, null);
327	<	assertEquals(f.getNumberOfDependents(), 0);
328	<	assertEquals(g.getNumberOfDependents(), 0);
329	<	}
327	>	checkCompletedNormally(h, null);
328	>	assertEquals(0, f.getNumberOfDependents());
329	>	assertEquals(0, g.getNumberOfDependents());
330	>	assertEquals(0, h.getNumberOfDependents());
331	>	}}
332
333		/**
334		* toString indicates current completion state
#	Line 299 | Line 339 | public class CompletableFutureTest exten
339		f = new CompletableFuture<String>();
340		assertTrue(f.toString().contains("[Not completed]"));
341
342	<	f.complete("foo");
342	>	assertTrue(f.complete("foo"));
343		assertTrue(f.toString().contains("[Completed normally]"));
344
345		f = new CompletableFuture<String>();
346	<	f.completeExceptionally(new IndexOutOfBoundsException());
346	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
347		assertTrue(f.toString().contains("[Completed exceptionally]"));
348	+
349	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
350	+	f = new CompletableFuture<String>();
351	+	assertTrue(f.cancel(mayInterruptIfRunning));
352	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
353	+	}
354		}
355
356		/**
#	Line 315 | Line 361 | public class CompletableFutureTest exten
361		checkCompletedNormally(f, "test");
362		}
363
364	<	// Choose non-commutative actions for better coverage
365	<
366	<	static final Supplier<Integer> supplyOne =
367	<	() -> Integer.valueOf(1);
368	<	static final Function<Integer, Integer> inc =
369	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
370	<	static final BiFunction<Integer, Integer, Integer> subtract =
325	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
326	<	static final class IncAction implements Consumer<Integer> {
327	<	int value;
328	<	public void accept(Integer x) { value = x.intValue() + 1; }
329	<	}
330	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
331	<	int value;
332	<	public void accept(Integer x, Integer y) {
333	<	value = x.intValue() - y.intValue();
364	>	abstract class CheckedAction {
365	>	int invocationCount = 0;
366	>	final ExecutionMode m;
367	>	CheckedAction(ExecutionMode m) { this.m = m; }
368	>	void invoked() {
369	>	m.checkExecutionMode();
370	>	assertEquals(0, invocationCount++);
371		}
372	<	}
373	<	static final class Noop implements Runnable {
337	<	boolean ran;
338	<	public void run() { ran = true; }
372	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
373	>	void assertInvoked() { assertEquals(1, invocationCount); }
374		}
375
376	<	static final class FailingSupplier implements Supplier<Integer> {
377	<	boolean ran;
378	<	public Integer get() { ran = true; throw new CFException(); }
379	<	}
380	<	static final class FailingConsumer implements Consumer<Integer> {
381	<	boolean ran;
347	<	public void accept(Integer x) { ran = true; throw new CFException(); }
348	<	}
349	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
350	<	boolean ran;
351	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
352	<	}
353	<	static final class FailingFunction implements Function<Integer, Integer> {
354	<	boolean ran;
355	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
356	<	}
357	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
358	<	boolean ran;
359	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
360	<	}
361	<	static final class FailingNoop implements Runnable {
362	<	boolean ran;
363	<	public void run() { ran = true; throw new CFException(); }
364	<	}
365	<
366	<	static final class CompletableFutureInc
367	<	implements Function<Integer, CompletableFuture<Integer>> {
368	<	boolean ran;
369	<	public CompletableFuture<Integer> apply(Integer x) {
370	<	ran = true;
371	<	CompletableFuture<Integer> f = new CompletableFuture<>();
372	<	f.complete(Integer.valueOf(x.intValue() + 1));
373	<	return f;
376	>	abstract class CheckedIntegerAction extends CheckedAction {
377	>	Integer value;
378	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
379	>	void assertValue(Integer expected) {
380	>	assertInvoked();
381	>	assertEquals(expected, value);
382		}
383		}
384
385	<	static final class FailingCompletableFutureFunction
386	<	implements Function<Integer, CompletableFuture<Integer>> {
387	<	boolean ran;
388	<	public CompletableFuture<Integer> apply(Integer x) {
389	<	ran = true; throw new CFException();
385	>	class IntegerSupplier extends CheckedAction
386	>	implements Supplier<Integer>
387	>	{
388	>	final Integer value;
389	>	IntegerSupplier(ExecutionMode m, Integer value) {
390	>	super(m);
391	>	this.value = value;
392		}
393	<	}
394	<
395	<	// Used for explicit executor tests
386	<	static final class ThreadExecutor implements Executor {
387	<	AtomicInteger count = new AtomicInteger(0);
388	<
389	<	public void execute(Runnable r) {
390	<	count.getAndIncrement();
391	<	new Thread(r).start();
393	>	public Integer get() {
394	>	invoked();
395	>	return value;
396		}
397		}
398
399	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
400	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
399	>	// A function that handles and produces null values as well.
400	>	static Integer inc(Integer x) {
401	>	return (x == null) ? null : x + 1;
402		}
403
404	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
405	<	boolean ran;
406	<	public Integer apply(Integer x, Throwable t) {
407	<	ran = true;
408	<	return (t == null) ? two : three;
404	>	class NoopConsumer extends CheckedIntegerAction
405	>	implements Consumer<Integer>
406	>	{
407	>	NoopConsumer(ExecutionMode m) { super(m); }
408	>	public void accept(Integer x) {
409	>	invoked();
410	>	value = x;
411		}
412		}
413
414	<	/**
415	<	* exceptionally action completes with function value on source
416	<	* exception; otherwise with source value
417	<	*/
418	<	public void testExceptionally() {
419	<	CompletableFuture<Integer> f = new CompletableFuture<>();
420	<	ExceptionToInteger r = new ExceptionToInteger();
421	<	CompletableFuture<Integer> g = f.exceptionally(r);
415	<	f.completeExceptionally(new CFException());
416	<	checkCompletedNormally(g, three);
417	<
418	<	f = new CompletableFuture<>();
419	<	r = new ExceptionToInteger();
420	<	g = f.exceptionally(r);
421	<	f.complete(one);
422	<	checkCompletedNormally(g, one);
423	<	}
424	<
425	<	/**
426	<	* handle action completes normally with function value on either
427	<	* normal or exceptional completion of source
428	<	*/
429	<	public void testHandle() {
430	<	CompletableFuture<Integer> f, g;
431	<	IntegerHandler r;
432	<
433	<	f = new CompletableFuture<>();
434	<	f.completeExceptionally(new CFException());
435	<	g = f.handle(r = new IntegerHandler());
436	<	assertTrue(r.ran);
437	<	checkCompletedNormally(g, three);
438	<
439	<	f = new CompletableFuture<>();
440	<	g = f.handle(r = new IntegerHandler());
441	<	assertFalse(r.ran);
442	<	f.completeExceptionally(new CFException());
443	<	checkCompletedNormally(g, three);
444	<	assertTrue(r.ran);
445	<
446	<	f = new CompletableFuture<>();
447	<	f.complete(one);
448	<	g = f.handle(r = new IntegerHandler());
449	<	assertTrue(r.ran);
450	<	checkCompletedNormally(g, two);
451	<
452	<	f = new CompletableFuture<>();
453	<	g = f.handle(r = new IntegerHandler());
454	<	assertFalse(r.ran);
455	<	f.complete(one);
456	<	assertTrue(r.ran);
457	<	checkCompletedNormally(g, two);
458	<	}
459	<
460	<	/**
461	<	* runAsync completes after running Runnable
462	<	*/
463	<	public void testRunAsync() {
464	<	Noop r = new Noop();
465	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
466	<	assertNull(f.join());
467	<	assertTrue(r.ran);
468	<	checkCompletedNormally(f, null);
469	<	}
470	<
471	<	/**
472	<	* runAsync with executor completes after running Runnable
473	<	*/
474	<	public void testRunAsync2() {
475	<	Noop r = new Noop();
476	<	ThreadExecutor exec = new ThreadExecutor();
477	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
478	<	assertNull(f.join());
479	<	assertTrue(r.ran);
480	<	checkCompletedNormally(f, null);
481	<	assertEquals(1, exec.count.get());
482	<	}
483	<
484	<	/**
485	<	* failing runAsync completes exceptionally after running Runnable
486	<	*/
487	<	public void testRunAsync3() {
488	<	FailingNoop r = new FailingNoop();
489	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
490	<	checkCompletedWithWrappedCFException(f);
491	<	assertTrue(r.ran);
492	<	}
493	<
494	<	/**
495	<	* supplyAsync completes with result of supplier
496	<	*/
497	<	public void testSupplyAsync() {
498	<	CompletableFuture<Integer> f;
499	<	f = CompletableFuture.supplyAsync(supplyOne);
500	<	assertEquals(f.join(), one);
501	<	checkCompletedNormally(f, one);
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	+	public void testExceptionally_exceptionalCompletionActionFailed() {
880	+	for (boolean createIncomplete : new boolean[] { true, false })
881	+	{
882	+	final AtomicInteger a = new AtomicInteger(0);
883	+	final CFException ex1 = new CFException();
884	+	final CFException ex2 = new CFException();
885		final CompletableFuture<Integer> f = new CompletableFuture<>();
886	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
887	<	final Noop r = new Noop();
888	<
889	<	g.complete(v2);
890	<	f.complete(v1);
891	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
886	>	if (!createIncomplete) f.completeExceptionally(ex1);
887	>	final CompletableFuture<Integer> g = f.exceptionally
888	>	((Throwable t) -> {
889	>	ExecutionMode.SYNC.checkExecutionMode();
890	>	threadAssertSame(t, ex1);
891	>	a.getAndIncrement();
892	>	throw ex2;
893	>	});
894	>	if (createIncomplete) f.completeExceptionally(ex1);
895	>
896	>	checkCompletedWithWrappedException(g, ex2);
897	>	assertEquals(1, a.get());
898	>	}}
899
900	<	checkCompletedNormally(h, null);
901	<	assertTrue(r.ran);
902	<	checkCompletedNormally(f, v1);
903	<	checkCompletedNormally(g, v2);
904	<	}
1045	<	}
1046	<
1047	<	public void testRunAfterBoth_normalCompletion4() {
900	>	/**
901	>	* whenComplete action executes on normal completion, propagating
902	>	* source result.
903	>	*/
904	>	public void testWhenComplete_normalCompletion() {
905		for (ExecutionMode m : ExecutionMode.values())
906	+	for (boolean createIncomplete : new boolean[] { true, false })
907		for (Integer v1 : new Integer[] { 1, null })
908	<	for (Integer v2 : new Integer[] { 2, null }) {
909	<
908	>	{
909	>	final AtomicInteger a = new AtomicInteger(0);
910		final CompletableFuture<Integer> f = new CompletableFuture<>();
911	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
912	<	final Noop r = new Noop();
913	<
914	<	f.complete(v1);
915	<	g.complete(v2);
916	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
911	>	if (!createIncomplete) assertTrue(f.complete(v1));
912	>	final CompletableFuture<Integer> g = m.whenComplete
913	>	(f,
914	>	(Integer result, Throwable t) -> {
915	>	m.checkExecutionMode();
916	>	threadAssertSame(result, v1);
917	>	threadAssertNull(t);
918	>	a.getAndIncrement();
919	>	});
920	>	if (createIncomplete) assertTrue(f.complete(v1));
921
922	<	checkCompletedNormally(h, null);
1061	<	assertTrue(r.ran);
922	>	checkCompletedNormally(g, v1);
923		checkCompletedNormally(f, v1);
924	<	checkCompletedNormally(g, v2);
925	<	}
1065	<	}
924	>	assertEquals(1, a.get());
925	>	}}
926
927		/**
928	<	* runAfterBoth result completes exceptionally after exceptional
929	<	* completion of either source
928	>	* whenComplete action executes on exceptional completion, propagating
929	>	* source result.
930		*/
931	<	public void testRunAfterBoth_exceptionalCompletion1() {
931	>	public void testWhenComplete_exceptionalCompletion() {
932		for (ExecutionMode m : ExecutionMode.values())
933	<	for (Integer v1 : new Integer[] { 1, null }) {
934	<
935	<	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);
933	>	for (boolean createIncomplete : new boolean[] { true, false })
934	>	{
935	>	final AtomicInteger a = new AtomicInteger(0);
936		final CFException ex = new CFException();
937	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
938	+	if (!createIncomplete) f.completeExceptionally(ex);
939	+	final CompletableFuture<Integer> g = m.whenComplete
940	+	(f,
941	+	(Integer result, Throwable t) -> {
942	+	m.checkExecutionMode();
943	+	threadAssertNull(result);
944	+	threadAssertSame(t, ex);
945	+	a.getAndIncrement();
946	+	});
947	+	if (createIncomplete) f.completeExceptionally(ex);
948	+
949	+	checkCompletedWithWrappedException(g, ex);
950	+	checkCompletedExceptionally(f, ex);
951	+	assertEquals(1, a.get());
952	+	}}
953
954	<	f.completeExceptionally(ex);
955	<	checkIncomplete(h);
956	<	g.complete(v1);
957	<
958	<	checkCompletedWithWrappedCFException(h, ex);
1086	<	checkCompletedWithWrappedCFException(f, ex);
1087	<	assertFalse(r.ran);
1088	<	checkCompletedNormally(g, v1);
1089	<	}
1090	<	}
1091	<
1092	<	public void testRunAfterBoth_exceptionalCompletion2() {
954	>	/**
955	>	* whenComplete action executes on cancelled source, propagating
956	>	* CancellationException.
957	>	*/
958	>	public void testWhenComplete_sourceCancelled() {
959		for (ExecutionMode m : ExecutionMode.values())
960	<	for (Integer v1 : new Integer[] { 1, null }) {
961	<
960	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
961	>	for (boolean createIncomplete : new boolean[] { true, false })
962	>	{
963	>	final AtomicInteger a = new AtomicInteger(0);
964		final CompletableFuture<Integer> f = new CompletableFuture<>();
965	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
966	<	final Noop r = new Noop();
967	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
968	<	final CFException ex = new CFException();
969	<
970	<	g.completeExceptionally(ex);
971	<	checkIncomplete(h);
972	<	f.complete(v1);
965	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
966	>	final CompletableFuture<Integer> g = m.whenComplete
967	>	(f,
968	>	(Integer result, Throwable t) -> {
969	>	m.checkExecutionMode();
970	>	threadAssertNull(result);
971	>	threadAssertTrue(t instanceof CancellationException);
972	>	a.getAndIncrement();
973	>	});
974	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
975
976	<	checkCompletedWithWrappedCFException(h, ex);
977	<	checkCompletedWithWrappedCFException(g, ex);
978	<	assertFalse(r.ran);
979	<	checkCompletedNormally(f, v1);
1110	<	}
1111	<	}
976	>	checkCompletedWithWrappedCancellationException(g);
977	>	checkCancelled(f);
978	>	assertEquals(1, a.get());
979	>	}}
980
981	<	public void testRunAfterBoth_exceptionalCompletion3() {
981	>	/**
982	>	* If a whenComplete action throws an exception when triggered by
983	>	* a normal completion, it completes exceptionally
984	>	*/
985	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
986	>	for (boolean createIncomplete : new boolean[] { true, false })
987		for (ExecutionMode m : ExecutionMode.values())
988	<	for (Integer v1 : new Integer[] { 1, null }) {
989	<
990	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1118	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1119	<	final Noop r = new Noop();
988	>	for (Integer v1 : new Integer[] { 1, null })
989	>	{
990	>	final AtomicInteger a = new AtomicInteger(0);
991		final CFException ex = new CFException();
992	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
993	+	if (!createIncomplete) assertTrue(f.complete(v1));
994	+	final CompletableFuture<Integer> g = m.whenComplete
995	+	(f,
996	+	(Integer result, Throwable t) -> {
997	+	m.checkExecutionMode();
998	+	threadAssertSame(result, v1);
999	+	threadAssertNull(t);
1000	+	a.getAndIncrement();
1001	+	throw ex;
1002	+	});
1003	+	if (createIncomplete) assertTrue(f.complete(v1));
1004
1005	<	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);
1005	>	checkCompletedWithWrappedException(g, ex);
1006		checkCompletedNormally(f, v1);
1007	<	}
1008	<	}
1007	>	assertEquals(1, a.get());
1008	>	}}
1009
1010	<	public void testRunAfterBoth_exceptionalCompletion4() {
1010	>	/**
1011	>	* If a whenComplete action throws an exception when triggered by
1012	>	* a source completion that also throws an exception, the source
1013	>	* exception takes precedence (unlike handle)
1014	>	*/
1015	>	public void testWhenComplete_sourceFailedActionFailed() {
1016	>	for (boolean createIncomplete : new boolean[] { true, false })
1017		for (ExecutionMode m : ExecutionMode.values())
1018	<	for (Integer v1 : new Integer[] { 1, null }) {
1019	<
1018	>	{
1019	>	final AtomicInteger a = new AtomicInteger(0);
1020	>	final CFException ex1 = new CFException();
1021	>	final CFException ex2 = new CFException();
1022		final CompletableFuture<Integer> f = new CompletableFuture<>();
1138	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1139	–	final Noop r = new Noop();
1140	–	final CFException ex = new CFException();
1023
1024	<	f.completeExceptionally(ex);
1025	<	g.complete(v1);
1026	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1027	<
1028	<	checkCompletedWithWrappedCFException(h, ex);
1029	<	checkCompletedWithWrappedCFException(f, ex);
1030	<	assertFalse(r.ran);
1031	<	checkCompletedNormally(g, v1);
1032	<	}
1033	<	}
1024	>	if (!createIncomplete) f.completeExceptionally(ex1);
1025	>	final CompletableFuture<Integer> g = m.whenComplete
1026	>	(f,
1027	>	(Integer result, Throwable t) -> {
1028	>	m.checkExecutionMode();
1029	>	threadAssertSame(t, ex1);
1030	>	threadAssertNull(result);
1031	>	a.getAndIncrement();
1032	>	throw ex2;
1033	>	});
1034	>	if (createIncomplete) f.completeExceptionally(ex1);
1035	>
1036	>	checkCompletedWithWrappedException(g, ex1);
1037	>	checkCompletedExceptionally(f, ex1);
1038	>	assertEquals(1, a.get());
1039	>	}}
1040
1041		/**
1042	<	* runAfterBoth result completes exceptionally if action does
1042	>	* handle action completes normally with function value on normal
1043	>	* completion of source
1044		*/
1045	<	public void testRunAfterBoth_actionFailed1() {
1045	>	public void testHandle_normalCompletion() {
1046		for (ExecutionMode m : ExecutionMode.values())
1047	+	for (boolean createIncomplete : new boolean[] { true, false })
1048		for (Integer v1 : new Integer[] { 1, null })
1049	<	for (Integer v2 : new Integer[] { 2, null }) {
1160	<
1049	>	{
1050		final CompletableFuture<Integer> f = new CompletableFuture<>();
1051	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1052	<	final FailingNoop r = new FailingNoop();
1053	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1054	<
1055	<	f.complete(v1);
1056	<	checkIncomplete(h);
1057	<	g.complete(v2);
1051	>	final AtomicInteger a = new AtomicInteger(0);
1052	>	if (!createIncomplete) assertTrue(f.complete(v1));
1053	>	final CompletableFuture<Integer> g = m.handle
1054	>	(f,
1055	>	(Integer result, Throwable t) -> {
1056	>	m.checkExecutionMode();
1057	>	threadAssertSame(result, v1);
1058	>	threadAssertNull(t);
1059	>	a.getAndIncrement();
1060	>	return inc(v1);
1061	>	});
1062	>	if (createIncomplete) assertTrue(f.complete(v1));
1063
1064	<	checkCompletedWithWrappedCFException(h);
1064	>	checkCompletedNormally(g, inc(v1));
1065		checkCompletedNormally(f, v1);
1066	<	checkCompletedNormally(g, v2);
1067	<	}
1174	<	}
1066	>	assertEquals(1, a.get());
1067	>	}}
1068
1069	<	public void testRunAfterBoth_actionFailed2() {
1069	>	/**
1070	>	* handle action completes normally with function value on
1071	>	* exceptional completion of source
1072	>	*/
1073	>	public void testHandle_exceptionalCompletion() {
1074		for (ExecutionMode m : ExecutionMode.values())
1075	+	for (boolean createIncomplete : new boolean[] { true, false })
1076		for (Integer v1 : new Integer[] { 1, null })
1077	<	for (Integer v2 : new Integer[] { 2, null }) {
1180	<
1077	>	{
1078		final CompletableFuture<Integer> f = new CompletableFuture<>();
1079	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1080	<	final FailingNoop r = new FailingNoop();
1081	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1082	<
1083	<	g.complete(v2);
1084	<	checkIncomplete(h);
1085	<	f.complete(v1);
1079	>	final AtomicInteger a = new AtomicInteger(0);
1080	>	final CFException ex = new CFException();
1081	>	if (!createIncomplete) f.completeExceptionally(ex);
1082	>	final CompletableFuture<Integer> g = m.handle
1083	>	(f,
1084	>	(Integer result, Throwable t) -> {
1085	>	m.checkExecutionMode();
1086	>	threadAssertNull(result);
1087	>	threadAssertSame(t, ex);
1088	>	a.getAndIncrement();
1089	>	return v1;
1090	>	});
1091	>	if (createIncomplete) f.completeExceptionally(ex);
1092
1093	<	checkCompletedWithWrappedCFException(h);
1094	<	checkCompletedNormally(f, v1);
1095	<	checkCompletedNormally(g, v2);
1096	<	}
1194	<	}
1093	>	checkCompletedNormally(g, v1);
1094	>	checkCompletedExceptionally(f, ex);
1095	>	assertEquals(1, a.get());
1096	>	}}
1097
1098		/**
1099	<	* runAfterBoth result completes exceptionally if either source cancelled
1099	>	* handle action completes normally with function value on
1100	>	* cancelled source
1101		*/
1102	<	public void testRunAfterBoth_sourceCancelled1() {
1102	>	public void testHandle_sourceCancelled() {
1103		for (ExecutionMode m : ExecutionMode.values())
1104		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1105	<	for (Integer v1 : new Integer[] { 1, null }) {
1106	<
1105	>	for (boolean createIncomplete : new boolean[] { true, false })
1106	>	for (Integer v1 : new Integer[] { 1, null })
1107	>	{
1108		final CompletableFuture<Integer> f = new CompletableFuture<>();
1109	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1110	<	final Noop r = new Noop();
1111	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1112	<
1113	<	assertTrue(f.cancel(mayInterruptIfRunning));
1114	<	checkIncomplete(h);
1115	<	g.complete(v1);
1109	>	final AtomicInteger a = new AtomicInteger(0);
1110	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1111	>	final CompletableFuture<Integer> g = m.handle
1112	>	(f,
1113	>	(Integer result, Throwable t) -> {
1114	>	m.checkExecutionMode();
1115	>	threadAssertNull(result);
1116	>	threadAssertTrue(t instanceof CancellationException);
1117	>	a.getAndIncrement();
1118	>	return v1;
1119	>	});
1120	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1121
1213	–	checkCompletedWithWrappedCancellationException(h);
1214	–	checkCancelled(f);
1215	–	assertFalse(r.ran);
1122		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);
1123		checkCancelled(f);
1124	<	assertFalse(r.ran);
1125	<	checkCompletedNormally(g, v1);
1278	<	}
1279	<	}
1124	>	assertEquals(1, a.get());
1125	>	}}
1126
1127		/**
1128	<	* applyToEither result completes normally after normal completion
1129	<	* of either source
1128	>	* If a "handle action" throws an exception when triggered by
1129	>	* a normal completion, it completes exceptionally
1130		*/
1131	<	public void testApplyToEither() {
1132	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1133	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1134	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1135	<	f.complete(one);
1136	<	checkCompletedNormally(g, two);
1137	<	f2.complete(one);
1138	<	checkCompletedNormally(g, two);
1131	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1132	>	for (ExecutionMode m : ExecutionMode.values())
1133	>	for (boolean createIncomplete : new boolean[] { true, false })
1134	>	for (Integer v1 : new Integer[] { 1, null })
1135	>	{
1136	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1137	>	final AtomicInteger a = new AtomicInteger(0);
1138	>	final CFException ex = new CFException();
1139	>	if (!createIncomplete) assertTrue(f.complete(v1));
1140	>	final CompletableFuture<Integer> g = m.handle
1141	>	(f,
1142	>	(Integer result, Throwable t) -> {
1143	>	m.checkExecutionMode();
1144	>	threadAssertSame(result, v1);
1145	>	threadAssertNull(t);
1146	>	a.getAndIncrement();
1147	>	throw ex;
1148	>	});
1149	>	if (createIncomplete) assertTrue(f.complete(v1));
1150
1151	<	f = new CompletableFuture<>();
1152	<	f.complete(one);
1153	<	f2 = new CompletableFuture<>();
1154	<	g = f.applyToEither(f2, inc);
1298	<	checkCompletedNormally(g, two);
1299	<	}
1151	>	checkCompletedWithWrappedException(g, ex);
1152	>	checkCompletedNormally(f, v1);
1153	>	assertEquals(1, a.get());
1154	>	}}
1155
1156		/**
1157	<	* applyToEither result completes exceptionally after exceptional
1158	<	* completion of either source
1157	>	* If a "handle action" throws an exception when triggered by
1158	>	* a source completion that also throws an exception, the action
1159	>	* exception takes precedence (unlike whenComplete)
1160		*/
1161	<	public void testApplyToEither2() {
1162	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1163	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1164	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1165	<	f.completeExceptionally(new CFException());
1166	<	f2.complete(one);
1167	<	checkCompletedWithWrappedCFException(g);
1161	>	public void testHandle_sourceFailedActionFailed() {
1162	>	for (boolean createIncomplete : new boolean[] { true, false })
1163	>	for (ExecutionMode m : ExecutionMode.values())
1164	>	{
1165	>	final AtomicInteger a = new AtomicInteger(0);
1166	>	final CFException ex1 = new CFException();
1167	>	final CFException ex2 = new CFException();
1168	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1169
1170	<	f = new CompletableFuture<>();
1171	<	f2 = new CompletableFuture<>();
1172	<	f2.completeExceptionally(new CFException());
1173	<	g = f.applyToEither(f2, inc);
1174	<	checkCompletedWithWrappedCFException(g);
1175	<	}
1170	>	if (!createIncomplete) f.completeExceptionally(ex1);
1171	>	final CompletableFuture<Integer> g = m.handle
1172	>	(f,
1173	>	(Integer result, Throwable t) -> {
1174	>	m.checkExecutionMode();
1175	>	threadAssertNull(result);
1176	>	threadAssertSame(ex1, t);
1177	>	a.getAndIncrement();
1178	>	throw ex2;
1179	>	});
1180	>	if (createIncomplete) f.completeExceptionally(ex1);
1181	>
1182	>	checkCompletedWithWrappedException(g, ex2);
1183	>	checkCompletedExceptionally(f, ex1);
1184	>	assertEquals(1, a.get());
1185	>	}}
1186
1187		/**
1188	<	* applyToEither result completes exceptionally if action does
1188	>	* runAsync completes after running Runnable
1189		*/
1190	<	public void testApplyToEither3() {
1191	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1192	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1193	<	FailingFunction r = new FailingFunction();
1194	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
1195	<	f2.complete(two);
1196	<	checkCompletedWithWrappedCFException(g);
1197	<	}
1190	>	public void testRunAsync_normalCompletion() {
1191	>	ExecutionMode[] executionModes = {
1192	>	ExecutionMode.ASYNC,
1193	>	ExecutionMode.EXECUTOR,
1194	>	};
1195	>	for (ExecutionMode m : executionModes)
1196	>	{
1197	>	final Noop r = new Noop(m);
1198	>	final CompletableFuture<Void> f = m.runAsync(r);
1199	>	assertNull(f.join());
1200	>	checkCompletedNormally(f, null);
1201	>	r.assertInvoked();
1202	>	}}
1203
1204		/**
1205	<	* applyToEither result completes exceptionally if either source cancelled
1205	>	* failing runAsync completes exceptionally after running Runnable
1206		*/
1207	<	public void testApplyToEither4() {
1208	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1209	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1210	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1211	<	assertTrue(f.cancel(true));
1212	<	checkCompletedWithWrappedCancellationException(g);
1213	<	f = new CompletableFuture<>();
1214	<	f2 = new CompletableFuture<>();
1215	<	assertTrue(f2.cancel(true));
1216	<	checkCompletedWithWrappedCancellationException(g);
1217	<	}
1207	>	public void testRunAsync_exceptionalCompletion() {
1208	>	ExecutionMode[] executionModes = {
1209	>	ExecutionMode.ASYNC,
1210	>	ExecutionMode.EXECUTOR,
1211	>	};
1212	>	for (ExecutionMode m : executionModes)
1213	>	{
1214	>	final FailingRunnable r = new FailingRunnable(m);
1215	>	final CompletableFuture<Void> f = m.runAsync(r);
1216	>	checkCompletedWithWrappedCFException(f);
1217	>	r.assertInvoked();
1218	>	}}
1219
1220		/**
1221	<	* acceptEither result completes normally after normal completion
1349	<	* of either source
1221	>	* supplyAsync completes with result of supplier
1222		*/
1223	<	public void testAcceptEither() {
1224	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1225	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1226	<	IncAction r = new IncAction();
1227	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1228	<	f.complete(one);
1229	<	checkCompletedNormally(g, null);
1230	<	f2.complete(one);
1231	<	checkCompletedNormally(g, null);
1232	<	assertEquals(r.value, 2);
1233	<
1234	<	r = new IncAction();
1235	<	f = new CompletableFuture<>();
1236	<	f.complete(one);
1365	<	f2 = new CompletableFuture<>();
1366	<	g = f.acceptEither(f2, r);
1367	<	checkCompletedNormally(g, null);
1368	<	assertEquals(r.value, 2);
1369	<	}
1223	>	public void testSupplyAsync_normalCompletion() {
1224	>	ExecutionMode[] executionModes = {
1225	>	ExecutionMode.ASYNC,
1226	>	ExecutionMode.EXECUTOR,
1227	>	};
1228	>	for (ExecutionMode m : executionModes)
1229	>	for (Integer v1 : new Integer[] { 1, null })
1230	>	{
1231	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1232	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1233	>	assertSame(v1, f.join());
1234	>	checkCompletedNormally(f, v1);
1235	>	r.assertInvoked();
1236	>	}}
1237
1238		/**
1239	<	* acceptEither result completes exceptionally after exceptional
1373	<	* completion of either source
1239	>	* Failing supplyAsync completes exceptionally
1240		*/
1241	<	public void testAcceptEither2() {
1242	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1243	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1244	<	IncAction r = new IncAction();
1245	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1246	<	f.completeExceptionally(new CFException());
1247	<	f2.complete(one);
1248	<	checkCompletedWithWrappedCFException(g);
1241	>	public void testSupplyAsync_exceptionalCompletion() {
1242	>	ExecutionMode[] executionModes = {
1243	>	ExecutionMode.ASYNC,
1244	>	ExecutionMode.EXECUTOR,
1245	>	};
1246	>	for (ExecutionMode m : executionModes)
1247	>	{
1248	>	FailingSupplier r = new FailingSupplier(m);
1249	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1250	>	checkCompletedWithWrappedCFException(f);
1251	>	r.assertInvoked();
1252	>	}}
1253
1254	<	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	<	}
1254	>	// seq completion methods
1255
1256		/**
1257	<	* acceptEither result completes exceptionally if action does
1257	>	* thenRun result completes normally after normal completion of source
1258		*/
1259	<	public void testAcceptEither3() {
1260	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1261	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1262	<	FailingConsumer r = new FailingConsumer();
1263	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1264	<	f2.complete(two);
1265	<	checkCompletedWithWrappedCFException(g);
1402	<	}
1259	>	public void testThenRun_normalCompletion() {
1260	>	for (ExecutionMode m : ExecutionMode.values())
1261	>	for (Integer v1 : new Integer[] { 1, null })
1262	>	{
1263	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1264	>	final Noop[] rs = new Noop[6];
1265	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1266
1267	<	/**
1268	<	* acceptEither result completes exceptionally if either source cancelled
1269	<	*/
1270	<	public void testAcceptEither4() {
1271	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1272	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1273	<	IncAction r = new IncAction();
1274	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1275	<	assertTrue(f.cancel(true));
1276	<	checkCompletedWithWrappedCancellationException(g);
1277	<	f = new CompletableFuture<>();
1278	<	f2 = new CompletableFuture<>();
1279	<	assertTrue(f2.cancel(true));
1280	<	checkCompletedWithWrappedCancellationException(g);
1281	<	}
1267	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1268	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1269	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1270	>	checkIncomplete(h0);
1271	>	checkIncomplete(h1);
1272	>	checkIncomplete(h2);
1273	>	assertTrue(f.complete(v1));
1274	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1275	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1276	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1277	>
1278	>	checkCompletedNormally(h0, null);
1279	>	checkCompletedNormally(h1, null);
1280	>	checkCompletedNormally(h2, null);
1281	>	checkCompletedNormally(h3, null);
1282	>	checkCompletedNormally(h4, null);
1283	>	checkCompletedNormally(h5, null);
1284	>	checkCompletedNormally(f, v1);
1285	>	for (Noop r : rs) r.assertInvoked();
1286	>	}}
1287
1288		/**
1289	<	* runAfterEither result completes normally after normal completion
1290	<	* of either source
1289	>	* thenRun result completes exceptionally after exceptional
1290	>	* completion of source
1291		*/
1292	<	public void testRunAfterEither() {
1293	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1294	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1295	<	Noop r = new Noop();
1296	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1297	<	f.complete(one);
1298	<	checkCompletedNormally(g, null);
1431	<	f2.complete(one);
1432	<	checkCompletedNormally(g, null);
1433	<	assertTrue(r.ran);
1292	>	public void testThenRun_exceptionalCompletion() {
1293	>	for (ExecutionMode m : ExecutionMode.values())
1294	>	{
1295	>	final CFException ex = new CFException();
1296	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1297	>	final Noop[] rs = new Noop[6];
1298	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1299
1300	<	r = new Noop();
1301	<	f = new CompletableFuture<>();
1302	<	f.complete(one);
1303	<	f2 = new CompletableFuture<>();
1304	<	g = f.runAfterEither(f2, r);
1305	<	checkCompletedNormally(g, null);
1306	<	assertTrue(r.ran);
1307	<	}
1300	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1301	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1302	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1303	>	checkIncomplete(h0);
1304	>	checkIncomplete(h1);
1305	>	checkIncomplete(h2);
1306	>	assertTrue(f.completeExceptionally(ex));
1307	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1308	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1309	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1310	>
1311	>	checkCompletedWithWrappedException(h0, ex);
1312	>	checkCompletedWithWrappedException(h1, ex);
1313	>	checkCompletedWithWrappedException(h2, ex);
1314	>	checkCompletedWithWrappedException(h3, ex);
1315	>	checkCompletedWithWrappedException(h4, ex);
1316	>	checkCompletedWithWrappedException(h5, ex);
1317	>	checkCompletedExceptionally(f, ex);
1318	>	for (Noop r : rs) r.assertNotInvoked();
1319	>	}}
1320
1321		/**
1322	<	* runAfterEither result completes exceptionally after exceptional
1446	<	* completion of either source
1322	>	* thenRun result completes exceptionally if source cancelled
1323		*/
1324	<	public void testRunAfterEither2() {
1325	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1326	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1327	<	Noop r = new Noop();
1328	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1329	<	f.completeExceptionally(new CFException());
1330	<	f2.complete(one);
1455	<	checkCompletedWithWrappedCFException(g);
1324	>	public void testThenRun_sourceCancelled() {
1325	>	for (ExecutionMode m : ExecutionMode.values())
1326	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1327	>	{
1328	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1329	>	final Noop[] rs = new Noop[6];
1330	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1331
1332	<	r = new Noop();
1333	<	f = new CompletableFuture<>();
1334	<	f2 = new CompletableFuture<>();
1335	<	f2.completeExceptionally(new CFException());
1336	<	g = f.runAfterEither(f2, r);
1337	<	checkCompletedWithWrappedCFException(g);
1338	<	}
1332	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1333	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1334	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1335	>	checkIncomplete(h0);
1336	>	checkIncomplete(h1);
1337	>	checkIncomplete(h2);
1338	>	assertTrue(f.cancel(mayInterruptIfRunning));
1339	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1340	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1341	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1342	>
1343	>	checkCompletedWithWrappedCancellationException(h0);
1344	>	checkCompletedWithWrappedCancellationException(h1);
1345	>	checkCompletedWithWrappedCancellationException(h2);
1346	>	checkCompletedWithWrappedCancellationException(h3);
1347	>	checkCompletedWithWrappedCancellationException(h4);
1348	>	checkCompletedWithWrappedCancellationException(h5);
1349	>	checkCancelled(f);
1350	>	for (Noop r : rs) r.assertNotInvoked();
1351	>	}}
1352
1353		/**
1354	<	* runAfterEither result completes exceptionally if action does
1354	>	* thenRun result completes exceptionally if action does
1355		*/
1356	<	public void testRunAfterEither3() {
1357	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1358	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1359	<	FailingNoop r = new FailingNoop();
1360	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1361	<	f2.complete(two);
1362	<	checkCompletedWithWrappedCFException(g);
1475	<	}
1356	>	public void testThenRun_actionFailed() {
1357	>	for (ExecutionMode m : ExecutionMode.values())
1358	>	for (Integer v1 : new Integer[] { 1, null })
1359	>	{
1360	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1361	>	final FailingRunnable[] rs = new FailingRunnable[6];
1362	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1363
1364	<	/**
1365	<	* runAfterEither result completes exceptionally if either source cancelled
1366	<	*/
1367	<	public void testRunAfterEither4() {
1368	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1369	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1370	<	Noop r = new Noop();
1371	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1372	<	assertTrue(f.cancel(true));
1373	<	checkCompletedWithWrappedCancellationException(g);
1374	<	f = new CompletableFuture<>();
1375	<	f2 = new CompletableFuture<>();
1376	<	assertTrue(f2.cancel(true));
1377	<	checkCompletedWithWrappedCancellationException(g);
1378	<	}
1364	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1365	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1366	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1367	>	assertTrue(f.complete(v1));
1368	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1369	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1370	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1371	>
1372	>	checkCompletedWithWrappedCFException(h0);
1373	>	checkCompletedWithWrappedCFException(h1);
1374	>	checkCompletedWithWrappedCFException(h2);
1375	>	checkCompletedWithWrappedCFException(h3);
1376	>	checkCompletedWithWrappedCFException(h4);
1377	>	checkCompletedWithWrappedCFException(h5);
1378	>	checkCompletedNormally(f, v1);
1379	>	}}
1380
1381		/**
1382	<	* thenCompose result completes normally after normal completion of source
1382	>	* thenApply result completes normally after normal completion of source
1383		*/
1384	<	public void testThenCompose() {
1385	<	CompletableFuture<Integer> f, g;
1386	<	CompletableFutureInc r;
1387	<
1388	<	f = new CompletableFuture<>();
1389	<	g = f.thenCompose(r = new CompletableFutureInc());
1390	<	f.complete(one);
1503	<	checkCompletedNormally(g, two);
1504	<	assertTrue(r.ran);
1384	>	public void testThenApply_normalCompletion() {
1385	>	for (ExecutionMode m : ExecutionMode.values())
1386	>	for (Integer v1 : new Integer[] { 1, null })
1387	>	{
1388	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1389	>	final IncFunction[] rs = new IncFunction[4];
1390	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1391
1392	<	f = new CompletableFuture<>();
1393	<	f.complete(one);
1394	<	g = f.thenCompose(r = new CompletableFutureInc());
1395	<	checkCompletedNormally(g, two);
1396	<	assertTrue(r.ran);
1397	<	}
1392	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1393	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1394	>	checkIncomplete(h0);
1395	>	checkIncomplete(h1);
1396	>	assertTrue(f.complete(v1));
1397	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1398	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1399	>
1400	>	checkCompletedNormally(h0, inc(v1));
1401	>	checkCompletedNormally(h1, inc(v1));
1402	>	checkCompletedNormally(h2, inc(v1));
1403	>	checkCompletedNormally(h3, inc(v1));
1404	>	checkCompletedNormally(f, v1);
1405	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1406	>	}}
1407
1408		/**
1409	<	* thenCompose result completes exceptionally after exceptional
1409	>	* thenApply result completes exceptionally after exceptional
1410		* completion of source
1411		*/
1412	<	public void testThenCompose2() {
1413	<	CompletableFuture<Integer> f, g;
1414	<	CompletableFutureInc r;
1415	<
1416	<	f = new CompletableFuture<>();
1417	<	g = f.thenCompose(r = new CompletableFutureInc());
1418	<	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);
1412	>	public void testThenApply_exceptionalCompletion() {
1413	>	for (ExecutionMode m : ExecutionMode.values())
1414	>	{
1415	>	final CFException ex = new CFException();
1416	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1417	>	final IncFunction[] rs = new IncFunction[4];
1418	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1419
1420	<	f = new CompletableFuture<>();
1421	<	f.complete(one);
1422	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1423	<	checkCompletedWithWrappedCFException(g);
1424	<	}
1420	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1421	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1422	>	assertTrue(f.completeExceptionally(ex));
1423	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1424	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1425	>
1426	>	checkCompletedWithWrappedException(h0, ex);
1427	>	checkCompletedWithWrappedException(h1, ex);
1428	>	checkCompletedWithWrappedException(h2, ex);
1429	>	checkCompletedWithWrappedException(h3, ex);
1430	>	checkCompletedExceptionally(f, ex);
1431	>	for (IncFunction r : rs) r.assertNotInvoked();
1432	>	}}
1433
1434		/**
1435	<	* thenCompose result completes exceptionally if source cancelled
1435	>	* thenApply result completes exceptionally if source cancelled
1436		*/
1437	<	public void testThenCompose4() {
1438	<	CompletableFuture<Integer> f, g;
1439	<	CompletableFutureInc r;
1440	<
1441	<	f = new CompletableFuture<>();
1442	<	g = f.thenCompose(r = new CompletableFutureInc());
1443	<	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
1437	>	public void testThenApply_sourceCancelled() {
1438	>	for (ExecutionMode m : ExecutionMode.values())
1439	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1440	>	{
1441	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1442	>	final IncFunction[] rs = new IncFunction[4];
1443	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1444
1445	<	/**
1446	<	* thenRunAsync result completes normally after normal completion of source
1447	<	*/
1448	<	public void testThenRunAsync() {
1449	<	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);
1445	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1446	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1447	>	assertTrue(f.cancel(mayInterruptIfRunning));
1448	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1449	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1450
1451	<	// reordered version
1452	<	f = new CompletableFuture<>();
1453	<	f.complete(null);
1454	<	r = new Noop();
1455	<	g = f.thenRunAsync(r);
1456	<	checkCompletedNormally(g, null);
1457	<	}
1451	>	checkCompletedWithWrappedCancellationException(h0);
1452	>	checkCompletedWithWrappedCancellationException(h1);
1453	>	checkCompletedWithWrappedCancellationException(h2);
1454	>	checkCompletedWithWrappedCancellationException(h3);
1455	>	checkCancelled(f);
1456	>	for (IncFunction r : rs) r.assertNotInvoked();
1457	>	}}
1458
1459		/**
1460	<	* thenRunAsync result completes exceptionally after exceptional
1590	<	* completion of source
1460	>	* thenApply result completes exceptionally if action does
1461		*/
1462	<	public void testThenRunAsync2() {
1463	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1464	<	Noop r = new Noop();
1465	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1466	<	f.completeExceptionally(new CFException());
1467	<	try {
1468	<	g.join();
1599	<	shouldThrow();
1600	<	} catch (CompletionException success) {}
1601	<	checkCompletedWithWrappedCFException(g);
1602	<	}
1462	>	public void testThenApply_actionFailed() {
1463	>	for (ExecutionMode m : ExecutionMode.values())
1464	>	for (Integer v1 : new Integer[] { 1, null })
1465	>	{
1466	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1467	>	final FailingFunction[] rs = new FailingFunction[4];
1468	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1469
1470	<	/**
1471	<	* thenRunAsync result completes exceptionally if action does
1472	<	*/
1473	<	public void testThenRunAsync3() {
1474	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1475	<	FailingNoop r = new FailingNoop();
1476	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1477	<	f.complete(null);
1478	<	checkCompletedWithWrappedCFException(g);
1479	<	}
1470	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1471	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1472	>	assertTrue(f.complete(v1));
1473	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1474	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1475	>
1476	>	checkCompletedWithWrappedCFException(h0);
1477	>	checkCompletedWithWrappedCFException(h1);
1478	>	checkCompletedWithWrappedCFException(h2);
1479	>	checkCompletedWithWrappedCFException(h3);
1480	>	checkCompletedNormally(f, v1);
1481	>	}}
1482
1483		/**
1484	<	* thenRunAsync result completes exceptionally if source cancelled
1484	>	* thenAccept result completes normally after normal completion of source
1485		*/
1486	<	public void testThenRunAsync4() {
1487	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1488	<	Noop r = new Noop();
1489	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1490	<	assertTrue(f.cancel(true));
1491	<	checkCompletedWithWrappedCancellationException(g);
1492	<	}
1486	>	public void testThenAccept_normalCompletion() {
1487	>	for (ExecutionMode m : ExecutionMode.values())
1488	>	for (Integer v1 : new Integer[] { 1, null })
1489	>	{
1490	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1491	>	final NoopConsumer[] rs = new NoopConsumer[4];
1492	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1493
1494	<	/**
1495	<	* thenApplyAsync result completes normally after normal completion of source
1496	<	*/
1497	<	public void testThenApplyAsync() {
1498	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1499	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1500	<	f.complete(one);
1501	<	checkCompletedNormally(g, two);
1502	<	}
1494	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1495	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1496	>	checkIncomplete(h0);
1497	>	checkIncomplete(h1);
1498	>	assertTrue(f.complete(v1));
1499	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1500	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1501	>
1502	>	checkCompletedNormally(h0, null);
1503	>	checkCompletedNormally(h1, null);
1504	>	checkCompletedNormally(h2, null);
1505	>	checkCompletedNormally(h3, null);
1506	>	checkCompletedNormally(f, v1);
1507	>	for (NoopConsumer r : rs) r.assertValue(v1);
1508	>	}}
1509
1510		/**
1511	<	* thenApplyAsync result completes exceptionally after exceptional
1511	>	* thenAccept result completes exceptionally after exceptional
1512		* completion of source
1513		*/
1514	<	public void testThenApplyAsync2() {
1515	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1516	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1517	<	f.completeExceptionally(new CFException());
1518	<	checkCompletedWithWrappedCFException(g);
1519	<	}
1514	>	public void testThenAccept_exceptionalCompletion() {
1515	>	for (ExecutionMode m : ExecutionMode.values())
1516	>	{
1517	>	final CFException ex = new CFException();
1518	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1519	>	final NoopConsumer[] rs = new NoopConsumer[4];
1520	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1521
1522	<	/**
1523	<	* thenApplyAsync result completes exceptionally if action does
1524	<	*/
1525	<	public void testThenApplyAsync3() {
1526	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1527	<	FailingFunction r = new FailingFunction();
1528	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1529	<	f.complete(null);
1530	<	checkCompletedWithWrappedCFException(g);
1531	<	}
1522	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1523	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1524	>	assertTrue(f.completeExceptionally(ex));
1525	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1526	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1527	>
1528	>	checkCompletedWithWrappedException(h0, ex);
1529	>	checkCompletedWithWrappedException(h1, ex);
1530	>	checkCompletedWithWrappedException(h2, ex);
1531	>	checkCompletedWithWrappedException(h3, ex);
1532	>	checkCompletedExceptionally(f, ex);
1533	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1534	>	}}
1535
1536		/**
1537	<	* thenApplyAsync result completes exceptionally if source cancelled
1537	>	* thenAccept result completes exceptionally if source cancelled
1538		*/
1539	<	public void testThenApplyAsync4() {
1540	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1541	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1542	<	assertTrue(f.cancel(true));
1543	<	checkCompletedWithWrappedCancellationException(g);
1544	<	}
1539	>	public void testThenAccept_sourceCancelled() {
1540	>	for (ExecutionMode m : ExecutionMode.values())
1541	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1542	>	{
1543	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1544	>	final NoopConsumer[] rs = new NoopConsumer[4];
1545	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1546
1547	<	/**
1548	<	* thenAcceptAsync result completes normally after normal
1549	<	* completion of source
1550	<	*/
1551	<	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	<	}
1547	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1548	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1549	>	assertTrue(f.cancel(mayInterruptIfRunning));
1550	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1551	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1552
1553	<	/**
1554	<	* thenAcceptAsync result completes exceptionally after exceptional
1555	<	* completion of source
1556	<	*/
1557	<	public void testThenAcceptAsync2() {
1558	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1559	<	IncAction r = new IncAction();
1688	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1689	<	f.completeExceptionally(new CFException());
1690	<	checkCompletedWithWrappedCFException(g);
1691	<	}
1553	>	checkCompletedWithWrappedCancellationException(h0);
1554	>	checkCompletedWithWrappedCancellationException(h1);
1555	>	checkCompletedWithWrappedCancellationException(h2);
1556	>	checkCompletedWithWrappedCancellationException(h3);
1557	>	checkCancelled(f);
1558	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1559	>	}}
1560
1561		/**
1562	<	* thenAcceptAsync result completes exceptionally if action does
1562	>	* thenAccept result completes exceptionally if action does
1563		*/
1564	<	public void testThenAcceptAsync3() {
1565	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1566	<	FailingConsumer r = new FailingConsumer();
1567	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1568	<	f.complete(null);
1569	<	checkCompletedWithWrappedCFException(g);
1570	<	}
1564	>	public void testThenAccept_actionFailed() {
1565	>	for (ExecutionMode m : ExecutionMode.values())
1566	>	for (Integer v1 : new Integer[] { 1, null })
1567	>	{
1568	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1569	>	final FailingConsumer[] rs = new FailingConsumer[4];
1570	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1571
1572	<	/**
1573	<	* thenAcceptAsync result completes exceptionally if source cancelled
1574	<	*/
1575	<	public void testThenAcceptAsync4() {
1576	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1577	<	IncAction r = new IncAction();
1578	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1579	<	assertTrue(f.cancel(true));
1580	<	checkCompletedWithWrappedCancellationException(g);
1581	<	}
1572	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1573	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1574	>	assertTrue(f.complete(v1));
1575	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1576	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1577	>
1578	>	checkCompletedWithWrappedCFException(h0);
1579	>	checkCompletedWithWrappedCFException(h1);
1580	>	checkCompletedWithWrappedCFException(h2);
1581	>	checkCompletedWithWrappedCFException(h3);
1582	>	checkCompletedNormally(f, v1);
1583	>	}}
1584
1585		/**
1586	<	* thenCombineAsync result completes normally after normal
1587	<	* completion of sources
1586	>	* thenCombine result completes normally after normal completion
1587	>	* of sources
1588		*/
1589	<	public void testThenCombineAsync() {
1590	<	CompletableFuture<Integer> f, g, h;
1591	<
1592	<	f = new CompletableFuture<>();
1593	<	g = new CompletableFuture<>();
1594	<	h = f.thenCombineAsync(g, subtract);
1595	<	f.complete(3);
1596	<	checkIncomplete(h);
1597	<	g.complete(1);
1598	<	checkCompletedNormally(h, 2);
1589	>	public void testThenCombine_normalCompletion() {
1590	>	for (ExecutionMode m : ExecutionMode.values())
1591	>	for (boolean fFirst : new boolean[] { true, false })
1592	>	for (Integer v1 : new Integer[] { 1, null })
1593	>	for (Integer v2 : new Integer[] { 2, null })
1594	>	{
1595	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1596	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1597	>	final SubtractFunction[] rs = new SubtractFunction[6];
1598	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1599
1600	<	f = new CompletableFuture<>();
1601	<	g = new CompletableFuture<>();
1602	<	h = f.thenCombineAsync(g, subtract);
1603	<	g.complete(1);
1604	<	checkIncomplete(h);
1605	<	f.complete(3);
1606	<	checkCompletedNormally(h, 2);
1600	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1601	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1602	>	final Integer w1 =  fFirst ? v1 : v2;
1603	>	final Integer w2 = !fFirst ? v1 : v2;
1604	>
1605	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1606	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1607	>	assertTrue(fst.complete(w1));
1608	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1609	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1610	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1611	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1612	>	checkCompletedNormally(h1, subtract(w1, w1));
1613	>	checkCompletedNormally(h3, subtract(w1, w1));
1614	>	rs[1].assertValue(subtract(w1, w1));
1615	>	rs[3].assertValue(subtract(w1, w1));
1616	>	assertTrue(snd.complete(w2));
1617	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1618	>
1619	>	checkCompletedNormally(h0, subtract(v1, v2));
1620	>	checkCompletedNormally(h2, subtract(v1, v2));
1621	>	checkCompletedNormally(h4, subtract(v1, v2));
1622	>	rs[0].assertValue(subtract(v1, v2));
1623	>	rs[2].assertValue(subtract(v1, v2));
1624	>	rs[4].assertValue(subtract(v1, v2));
1625
1626	<	f = new CompletableFuture<>();
1627	<	g = new CompletableFuture<>();
1628	<	g.complete(1);
1741	<	f.complete(3);
1742	<	h = f.thenCombineAsync(g, subtract);
1743	<	checkCompletedNormally(h, 2);
1744	<	}
1626	>	checkCompletedNormally(f, v1);
1627	>	checkCompletedNormally(g, v2);
1628	>	}}
1629
1630		/**
1631	<	* thenCombineAsync result completes exceptionally after exceptional
1631	>	* thenCombine result completes exceptionally after exceptional
1632		* completion of either source
1633		*/
1634	<	public void testThenCombineAsync2() {
1635	<	CompletableFuture<Integer> f, g, h;
1636	<
1637	<	f = new CompletableFuture<>();
1638	<	g = new CompletableFuture<>();
1639	<	h = f.thenCombineAsync(g, subtract);
1640	<	f.completeExceptionally(new CFException());
1641	<	checkIncomplete(h);
1642	<	g.complete(1);
1643	<	checkCompletedWithWrappedCFException(h);
1644	<
1645	<	f = new CompletableFuture<>();
1646	<	g = new CompletableFuture<>();
1647	<	h = f.thenCombineAsync(g, subtract);
1648	<	g.completeExceptionally(new CFException());
1649	<	checkIncomplete(h);
1650	<	f.complete(3);
1651	<	checkCompletedWithWrappedCFException(h);
1652	<
1653	<	f = new CompletableFuture<>();
1654	<	g = new CompletableFuture<>();
1655	<	g.completeExceptionally(new CFException());
1656	<	f.complete(3);
1657	<	h = f.thenCombineAsync(g, subtract);
1658	<	checkCompletedWithWrappedCFException(h);
1659	<	}
1660	<
1661	<	/**
1662	<	* thenCombineAsync result completes exceptionally if action does
1663	<	*/
1664	<	public void testThenCombineAsync3() {
1665	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1666	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1667	<	FailingBiFunction r = new FailingBiFunction();
1668	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1669	<	f.complete(one);
1670	<	checkIncomplete(g);
1671	<	assertFalse(r.ran);
1672	<	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	<	}
1634	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1635	>	for (ExecutionMode m : ExecutionMode.values())
1636	>	for (boolean fFirst : new boolean[] { true, false })
1637	>	for (boolean failFirst : new boolean[] { true, false })
1638	>	for (Integer v1 : new Integer[] { 1, null })
1639	>	{
1640	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1641	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1642	>	final CFException ex = new CFException();
1643	>	final SubtractFunction r1 = new SubtractFunction(m);
1644	>	final SubtractFunction r2 = new SubtractFunction(m);
1645	>	final SubtractFunction r3 = new SubtractFunction(m);
1646	>
1647	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1648	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1649	>	final Callable<Boolean> complete1 = failFirst ?
1650	>	() -> fst.completeExceptionally(ex) :
1651	>	() -> fst.complete(v1);
1652	>	final Callable<Boolean> complete2 = failFirst ?
1653	>	() -> snd.complete(v1) :
1654	>	() -> snd.completeExceptionally(ex);
1655	>
1656	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1657	>	assertTrue(complete1.call());
1658	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1659	>	checkIncomplete(h1);
1660	>	checkIncomplete(h2);
1661	>	assertTrue(complete2.call());
1662	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1663	>
1664	>	checkCompletedWithWrappedException(h1, ex);
1665	>	checkCompletedWithWrappedException(h2, ex);
1666	>	checkCompletedWithWrappedException(h3, ex);
1667	>	r1.assertNotInvoked();
1668	>	r2.assertNotInvoked();
1669	>	r3.assertNotInvoked();
1670	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1671	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1672	>	}}
1673
1674		/**
1675	<	* applyToEitherAsync result completes exceptionally if action does
1675	>	* thenCombine result completes exceptionally if either source cancelled
1676		*/
1677	<	public void testApplyToEitherAsync3() {
1678	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1679	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1680	<	FailingFunction r = new FailingFunction();
1681	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1682	<	f.complete(one);
1683	<	checkCompletedWithWrappedCFException(g);
1684	<	}
1677	>	public void testThenCombine_sourceCancelled() throws Throwable {
1678	>	for (ExecutionMode m : ExecutionMode.values())
1679	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1680	>	for (boolean fFirst : new boolean[] { true, false })
1681	>	for (boolean failFirst : new boolean[] { true, false })
1682	>	for (Integer v1 : new Integer[] { 1, null })
1683	>	{
1684	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1685	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1686	>	final SubtractFunction r1 = new SubtractFunction(m);
1687	>	final SubtractFunction r2 = new SubtractFunction(m);
1688	>	final SubtractFunction r3 = new SubtractFunction(m);
1689	>
1690	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1691	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1692	>	final Callable<Boolean> complete1 = failFirst ?
1693	>	() -> fst.cancel(mayInterruptIfRunning) :
1694	>	() -> fst.complete(v1);
1695	>	final Callable<Boolean> complete2 = failFirst ?
1696	>	() -> snd.complete(v1) :
1697	>	() -> snd.cancel(mayInterruptIfRunning);
1698	>
1699	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1700	>	assertTrue(complete1.call());
1701	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1702	>	checkIncomplete(h1);
1703	>	checkIncomplete(h2);
1704	>	assertTrue(complete2.call());
1705	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1706	>
1707	>	checkCompletedWithWrappedCancellationException(h1);
1708	>	checkCompletedWithWrappedCancellationException(h2);
1709	>	checkCompletedWithWrappedCancellationException(h3);
1710	>	r1.assertNotInvoked();
1711	>	r2.assertNotInvoked();
1712	>	r3.assertNotInvoked();
1713	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1714	>	checkCancelled(failFirst ? fst : snd);
1715	>	}}
1716
1717		/**
1718	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1718	>	* thenCombine result completes exceptionally if action does
1719		*/
1720	<	public void testApplyToEitherAsync4() {
1721	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1722	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1723	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1724	<	assertTrue(f.cancel(true));
1725	<	checkCompletedWithWrappedCancellationException(g);
1726	<
1727	<	f = new CompletableFuture<>();
1728	<	f2 = new CompletableFuture<>();
1729	<	assertTrue(f2.cancel(true));
1730	<	g = f.applyToEitherAsync(f2, inc);
1731	<	checkCompletedWithWrappedCancellationException(g);
1732	<	}
1720	>	public void testThenCombine_actionFailed() {
1721	>	for (ExecutionMode m : ExecutionMode.values())
1722	>	for (boolean fFirst : new boolean[] { true, false })
1723	>	for (Integer v1 : new Integer[] { 1, null })
1724	>	for (Integer v2 : new Integer[] { 2, null })
1725	>	{
1726	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1727	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1728	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1729	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1730	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1731	>
1732	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1733	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1734	>	final Integer w1 =  fFirst ? v1 : v2;
1735	>	final Integer w2 = !fFirst ? v1 : v2;
1736	>
1737	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1738	>	assertTrue(fst.complete(w1));
1739	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1740	>	assertTrue(snd.complete(w2));
1741	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1742	>
1743	>	checkCompletedWithWrappedCFException(h1);
1744	>	checkCompletedWithWrappedCFException(h2);
1745	>	checkCompletedWithWrappedCFException(h3);
1746	>	r1.assertInvoked();
1747	>	r2.assertInvoked();
1748	>	r3.assertInvoked();
1749	>	checkCompletedNormally(f, v1);
1750	>	checkCompletedNormally(g, v2);
1751	>	}}
1752
1753		/**
1754	<	* acceptEitherAsync result completes normally after normal
1754	>	* thenAcceptBoth result completes normally after normal
1755		* completion of sources
1756		*/
1757	<	public void testAcceptEitherAsync() {
1758	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1759	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1760	<	IncAction r = new IncAction();
1761	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1762	<	f.complete(one);
1763	<	checkCompletedNormally(g, null);
1764	<	assertEquals(r.value, 2);
1765	<
1766	<	r = new IncAction();
1767	<	f = new CompletableFuture<>();
1768	<	f.complete(one);
1769	<	f2 = new CompletableFuture<>();
1770	<	g = f.acceptEitherAsync(f2, r);
1771	<	checkCompletedNormally(g, null);
1772	<	assertEquals(r.value, 2);
1773	<	}
1757	>	public void testThenAcceptBoth_normalCompletion() {
1758	>	for (ExecutionMode m : ExecutionMode.values())
1759	>	for (boolean fFirst : new boolean[] { true, false })
1760	>	for (Integer v1 : new Integer[] { 1, null })
1761	>	for (Integer v2 : new Integer[] { 2, null })
1762	>	{
1763	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1764	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1765	>	final SubtractAction r1 = new SubtractAction(m);
1766	>	final SubtractAction r2 = new SubtractAction(m);
1767	>	final SubtractAction r3 = new SubtractAction(m);
1768	>
1769	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1770	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1771	>	final Integer w1 =  fFirst ? v1 : v2;
1772	>	final Integer w2 = !fFirst ? v1 : v2;
1773	>
1774	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1775	>	assertTrue(fst.complete(w1));
1776	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1777	>	checkIncomplete(h1);
1778	>	checkIncomplete(h2);
1779	>	r1.assertNotInvoked();
1780	>	r2.assertNotInvoked();
1781	>	assertTrue(snd.complete(w2));
1782	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1783	>
1784	>	checkCompletedNormally(h1, null);
1785	>	checkCompletedNormally(h2, null);
1786	>	checkCompletedNormally(h3, null);
1787	>	r1.assertValue(subtract(v1, v2));
1788	>	r2.assertValue(subtract(v1, v2));
1789	>	r3.assertValue(subtract(v1, v2));
1790	>	checkCompletedNormally(f, v1);
1791	>	checkCompletedNormally(g, v2);
1792	>	}}
1793
1794		/**
1795	<	* acceptEitherAsync result completes exceptionally after exceptional
1796	<	* completion of source
1795	>	* thenAcceptBoth result completes exceptionally after exceptional
1796	>	* completion of either source
1797		*/
1798	<	public void testAcceptEitherAsync2() {
1799	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1800	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1801	<	IncAction r = new IncAction();
1802	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1803	<	f.completeExceptionally(new CFException());
1804	<	checkCompletedWithWrappedCFException(g);
1805	<
1806	<	r = new IncAction();
1807	<	f = new CompletableFuture<>();
1808	<	f2 = new CompletableFuture<>();
1809	<	f2.completeExceptionally(new CFException());
1810	<	g = f.acceptEitherAsync(f2, r);
1811	<	f.complete(one);
1812	<	checkCompletedWithWrappedCFException(g);
1813	<	}
1798	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1799	>	for (ExecutionMode m : ExecutionMode.values())
1800	>	for (boolean fFirst : new boolean[] { true, false })
1801	>	for (boolean failFirst : new boolean[] { true, false })
1802	>	for (Integer v1 : new Integer[] { 1, null })
1803	>	{
1804	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1805	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1806	>	final CFException ex = new CFException();
1807	>	final SubtractAction r1 = new SubtractAction(m);
1808	>	final SubtractAction r2 = new SubtractAction(m);
1809	>	final SubtractAction r3 = new SubtractAction(m);
1810	>
1811	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1812	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1813	>	final Callable<Boolean> complete1 = failFirst ?
1814	>	() -> fst.completeExceptionally(ex) :
1815	>	() -> fst.complete(v1);
1816	>	final Callable<Boolean> complete2 = failFirst ?
1817	>	() -> snd.complete(v1) :
1818	>	() -> snd.completeExceptionally(ex);
1819	>
1820	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1821	>	assertTrue(complete1.call());
1822	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1823	>	checkIncomplete(h1);
1824	>	checkIncomplete(h2);
1825	>	assertTrue(complete2.call());
1826	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1827	>
1828	>	checkCompletedWithWrappedException(h1, ex);
1829	>	checkCompletedWithWrappedException(h2, ex);
1830	>	checkCompletedWithWrappedException(h3, ex);
1831	>	r1.assertNotInvoked();
1832	>	r2.assertNotInvoked();
1833	>	r3.assertNotInvoked();
1834	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1835	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1836	>	}}
1837
1838		/**
1839	<	* acceptEitherAsync result completes exceptionally if action does
1839	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1840		*/
1841	<	public void testAcceptEitherAsync3() {
1842	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1843	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1844	<	FailingConsumer r = new FailingConsumer();
1845	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1846	<	f.complete(one);
1847	<	checkCompletedWithWrappedCFException(g);
1848	<	}
1841	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1842	>	for (ExecutionMode m : ExecutionMode.values())
1843	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1844	>	for (boolean fFirst : new boolean[] { true, false })
1845	>	for (boolean failFirst : new boolean[] { true, false })
1846	>	for (Integer v1 : new Integer[] { 1, null })
1847	>	{
1848	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1849	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1850	>	final SubtractAction r1 = new SubtractAction(m);
1851	>	final SubtractAction r2 = new SubtractAction(m);
1852	>	final SubtractAction r3 = new SubtractAction(m);
1853	>
1854	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1855	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1856	>	final Callable<Boolean> complete1 = failFirst ?
1857	>	() -> fst.cancel(mayInterruptIfRunning) :
1858	>	() -> fst.complete(v1);
1859	>	final Callable<Boolean> complete2 = failFirst ?
1860	>	() -> snd.complete(v1) :
1861	>	() -> snd.cancel(mayInterruptIfRunning);
1862	>
1863	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1864	>	assertTrue(complete1.call());
1865	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1866	>	checkIncomplete(h1);
1867	>	checkIncomplete(h2);
1868	>	assertTrue(complete2.call());
1869	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1870	>
1871	>	checkCompletedWithWrappedCancellationException(h1);
1872	>	checkCompletedWithWrappedCancellationException(h2);
1873	>	checkCompletedWithWrappedCancellationException(h3);
1874	>	r1.assertNotInvoked();
1875	>	r2.assertNotInvoked();
1876	>	r3.assertNotInvoked();
1877	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1878	>	checkCancelled(failFirst ? fst : snd);
1879	>	}}
1880
1881		/**
1882	<	* acceptEitherAsync result completes exceptionally if either
2092	<	* source cancelled
1882	>	* thenAcceptBoth result completes exceptionally if action does
1883		*/
1884	<	public void testAcceptEitherAsync4() {
1885	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1886	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1887	<	IncAction r = new IncAction();
1888	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1889	<	assertTrue(f.cancel(true));
1890	<	checkCompletedWithWrappedCancellationException(g);
1891	<
1892	<	r = new IncAction();
1893	<	f = new CompletableFuture<>();
1894	<	f2 = new CompletableFuture<>();
1895	<	assertTrue(f2.cancel(true));
1896	<	g = f.acceptEitherAsync(f2, r);
1897	<	checkCompletedWithWrappedCancellationException(g);
1898	<	}
1884	>	public void testThenAcceptBoth_actionFailed() {
1885	>	for (ExecutionMode m : ExecutionMode.values())
1886	>	for (boolean fFirst : new boolean[] { true, false })
1887	>	for (Integer v1 : new Integer[] { 1, null })
1888	>	for (Integer v2 : new Integer[] { 2, null })
1889	>	{
1890	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1891	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1892	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1893	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1894	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1895	>
1896	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1897	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1898	>	final Integer w1 =  fFirst ? v1 : v2;
1899	>	final Integer w2 = !fFirst ? v1 : v2;
1900	>
1901	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1902	>	assertTrue(fst.complete(w1));
1903	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1904	>	assertTrue(snd.complete(w2));
1905	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1906	>
1907	>	checkCompletedWithWrappedCFException(h1);
1908	>	checkCompletedWithWrappedCFException(h2);
1909	>	checkCompletedWithWrappedCFException(h3);
1910	>	r1.assertInvoked();
1911	>	r2.assertInvoked();
1912	>	r3.assertInvoked();
1913	>	checkCompletedNormally(f, v1);
1914	>	checkCompletedNormally(g, v2);
1915	>	}}
1916
1917		/**
1918	<	* runAfterEitherAsync result completes normally after normal
1918	>	* runAfterBoth result completes normally after normal
1919		* completion of sources
1920		*/
1921	<	public void testRunAfterEitherAsync() {
1922	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1923	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1924	<	Noop r = new Noop();
1925	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1926	<	f.complete(one);
1927	<	checkCompletedNormally(g, null);
1928	<	assertTrue(r.ran);
1929	<
1930	<	r = new Noop();
1931	<	f = new CompletableFuture<>();
1932	<	f.complete(one);
1933	<	f2 = new CompletableFuture<>();
1934	<	g = f.runAfterEitherAsync(f2, r);
1935	<	checkCompletedNormally(g, null);
1936	<	assertTrue(r.ran);
1937	<	}
1921	>	public void testRunAfterBoth_normalCompletion() {
1922	>	for (ExecutionMode m : ExecutionMode.values())
1923	>	for (boolean fFirst : new boolean[] { true, false })
1924	>	for (Integer v1 : new Integer[] { 1, null })
1925	>	for (Integer v2 : new Integer[] { 2, null })
1926	>	{
1927	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1928	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1929	>	final Noop r1 = new Noop(m);
1930	>	final Noop r2 = new Noop(m);
1931	>	final Noop r3 = new Noop(m);
1932	>
1933	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1934	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1935	>	final Integer w1 =  fFirst ? v1 : v2;
1936	>	final Integer w2 = !fFirst ? v1 : v2;
1937	>
1938	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1939	>	assertTrue(fst.complete(w1));
1940	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1941	>	checkIncomplete(h1);
1942	>	checkIncomplete(h2);
1943	>	r1.assertNotInvoked();
1944	>	r2.assertNotInvoked();
1945	>	assertTrue(snd.complete(w2));
1946	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1947	>
1948	>	checkCompletedNormally(h1, null);
1949	>	checkCompletedNormally(h2, null);
1950	>	checkCompletedNormally(h3, null);
1951	>	r1.assertInvoked();
1952	>	r2.assertInvoked();
1953	>	r3.assertInvoked();
1954	>	checkCompletedNormally(f, v1);
1955	>	checkCompletedNormally(g, v2);
1956	>	}}
1957
1958		/**
1959	<	* runAfterEitherAsync result completes exceptionally after exceptional
1960	<	* completion of source
1959	>	* runAfterBoth result completes exceptionally after exceptional
1960	>	* completion of either source
1961		*/
1962	<	public void testRunAfterEitherAsync2() {
1963	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1964	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1965	<	Noop r = new Noop();
1966	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1967	<	f.completeExceptionally(new CFException());
1968	<	checkCompletedWithWrappedCFException(g);
1969	<
1970	<	r = new Noop();
1971	<	f = new CompletableFuture<>();
1972	<	f2 = new CompletableFuture<>();
1973	<	f2.completeExceptionally(new CFException());
1974	<	g = f.runAfterEitherAsync(f2, r);
1975	<	f.complete(one);
1976	<	checkCompletedWithWrappedCFException(g);
1977	<	}
1962	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1963	>	for (ExecutionMode m : ExecutionMode.values())
1964	>	for (boolean fFirst : new boolean[] { true, false })
1965	>	for (boolean failFirst : new boolean[] { true, false })
1966	>	for (Integer v1 : new Integer[] { 1, null })
1967	>	{
1968	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1969	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1970	>	final CFException ex = new CFException();
1971	>	final Noop r1 = new Noop(m);
1972	>	final Noop r2 = new Noop(m);
1973	>	final Noop r3 = new Noop(m);
1974	>
1975	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1976	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1977	>	final Callable<Boolean> complete1 = failFirst ?
1978	>	() -> fst.completeExceptionally(ex) :
1979	>	() -> fst.complete(v1);
1980	>	final Callable<Boolean> complete2 = failFirst ?
1981	>	() -> snd.complete(v1) :
1982	>	() -> snd.completeExceptionally(ex);
1983	>
1984	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1985	>	assertTrue(complete1.call());
1986	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1987	>	checkIncomplete(h1);
1988	>	checkIncomplete(h2);
1989	>	assertTrue(complete2.call());
1990	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1991	>
1992	>	checkCompletedWithWrappedException(h1, ex);
1993	>	checkCompletedWithWrappedException(h2, ex);
1994	>	checkCompletedWithWrappedException(h3, ex);
1995	>	r1.assertNotInvoked();
1996	>	r2.assertNotInvoked();
1997	>	r3.assertNotInvoked();
1998	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1999	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2000	>	}}
2001
2002		/**
2003	<	* runAfterEitherAsync result completes exceptionally if action does
2003	>	* runAfterBoth result completes exceptionally if either source cancelled
2004		*/
2005	<	public void testRunAfterEitherAsync3() {
2006	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2007	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2008	<	FailingNoop r = new FailingNoop();
2009	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2010	<	f.complete(one);
2011	<	checkCompletedWithWrappedCFException(g);
2012	<	}
2005	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2006	>	for (ExecutionMode m : ExecutionMode.values())
2007	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2008	>	for (boolean fFirst : new boolean[] { true, false })
2009	>	for (boolean failFirst : new boolean[] { true, false })
2010	>	for (Integer v1 : new Integer[] { 1, null })
2011	>	{
2012	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2013	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2014	>	final Noop r1 = new Noop(m);
2015	>	final Noop r2 = new Noop(m);
2016	>	final Noop r3 = new Noop(m);
2017	>
2018	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2019	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2020	>	final Callable<Boolean> complete1 = failFirst ?
2021	>	() -> fst.cancel(mayInterruptIfRunning) :
2022	>	() -> fst.complete(v1);
2023	>	final Callable<Boolean> complete2 = failFirst ?
2024	>	() -> snd.complete(v1) :
2025	>	() -> snd.cancel(mayInterruptIfRunning);
2026	>
2027	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2028	>	assertTrue(complete1.call());
2029	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2030	>	checkIncomplete(h1);
2031	>	checkIncomplete(h2);
2032	>	assertTrue(complete2.call());
2033	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2034	>
2035	>	checkCompletedWithWrappedCancellationException(h1);
2036	>	checkCompletedWithWrappedCancellationException(h2);
2037	>	checkCompletedWithWrappedCancellationException(h3);
2038	>	r1.assertNotInvoked();
2039	>	r2.assertNotInvoked();
2040	>	r3.assertNotInvoked();
2041	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2042	>	checkCancelled(failFirst ? fst : snd);
2043	>	}}
2044
2045		/**
2046	<	* runAfterEitherAsync result completes exceptionally if either
2167	<	* source cancelled
2046	>	* runAfterBoth result completes exceptionally if action does
2047		*/
2048	<	public void testRunAfterEitherAsync4() {
2049	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2050	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2051	<	Noop r = new Noop();
2052	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2053	<	assertTrue(f.cancel(true));
2054	<	checkCompletedWithWrappedCancellationException(g);
2055	<
2056	<	r = new Noop();
2057	<	f = new CompletableFuture<>();
2058	<	f2 = new CompletableFuture<>();
2059	<	assertTrue(f2.cancel(true));
2060	<	g = f.runAfterEitherAsync(f2, r);
2061	<	checkCompletedWithWrappedCancellationException(g);
2062	<	}
2048	>	public void testRunAfterBoth_actionFailed() {
2049	>	for (ExecutionMode m : ExecutionMode.values())
2050	>	for (boolean fFirst : new boolean[] { true, false })
2051	>	for (Integer v1 : new Integer[] { 1, null })
2052	>	for (Integer v2 : new Integer[] { 2, null })
2053	>	{
2054	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2055	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2056	>	final FailingRunnable r1 = new FailingRunnable(m);
2057	>	final FailingRunnable r2 = new FailingRunnable(m);
2058	>	final FailingRunnable r3 = new FailingRunnable(m);
2059	>
2060	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2061	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2062	>	final Integer w1 =  fFirst ? v1 : v2;
2063	>	final Integer w2 = !fFirst ? v1 : v2;
2064	>
2065	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2066	>	assertTrue(fst.complete(w1));
2067	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2068	>	assertTrue(snd.complete(w2));
2069	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2070	>
2071	>	checkCompletedWithWrappedCFException(h1);
2072	>	checkCompletedWithWrappedCFException(h2);
2073	>	checkCompletedWithWrappedCFException(h3);
2074	>	r1.assertInvoked();
2075	>	r2.assertInvoked();
2076	>	r3.assertInvoked();
2077	>	checkCompletedNormally(f, v1);
2078	>	checkCompletedNormally(g, v2);
2079	>	}}
2080
2081		/**
2082	<	* thenComposeAsync result completes normally after normal
2083	<	* completion of source
2082	>	* applyToEither result completes normally after normal completion
2083	>	* of either source
2084		*/
2085	<	public void testThenComposeAsync() {
2086	<	CompletableFuture<Integer> f, g;
2087	<	CompletableFutureInc r;
2088	<
2089	<	f = new CompletableFuture<>();
2090	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2091	<	f.complete(one);
2092	<	checkCompletedNormally(g, two);
2093	<
2198	<	f = new CompletableFuture<>();
2199	<	f.complete(one);
2200	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2201	<	checkCompletedNormally(g, two);
2202	<	}
2085	>	public void testApplyToEither_normalCompletion() {
2086	>	for (ExecutionMode m : ExecutionMode.values())
2087	>	for (Integer v1 : new Integer[] { 1, null })
2088	>	for (Integer v2 : new Integer[] { 2, null })
2089	>	{
2090	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2091	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2092	>	final IncFunction[] rs = new IncFunction[6];
2093	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2094
2095	<	/**
2096	<	* thenComposeAsync result completes exceptionally after
2097	<	* exceptional completion of source
2098	<	*/
2099	<	public void testThenComposeAsync2() {
2100	<	CompletableFuture<Integer> f, g;
2101	<	CompletableFutureInc r;
2095	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2096	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2097	>	checkIncomplete(h0);
2098	>	checkIncomplete(h1);
2099	>	rs[0].assertNotInvoked();
2100	>	rs[1].assertNotInvoked();
2101	>	f.complete(v1);
2102	>	checkCompletedNormally(h0, inc(v1));
2103	>	checkCompletedNormally(h1, inc(v1));
2104	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2105	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2106	>	checkCompletedNormally(h2, inc(v1));
2107	>	checkCompletedNormally(h3, inc(v1));
2108	>	g.complete(v2);
2109
2110	<	f = new CompletableFuture<>();
2111	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2112	<	f.completeExceptionally(new CFException());
2113	<	checkCompletedWithWrappedCFException(g);
2114	<	assertFalse(r.ran);
2110	>	// unspecified behavior - both source completions available
2111	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2112	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2113	>	rs[4].assertValue(h4.join());
2114	>	rs[5].assertValue(h5.join());
2115	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2116	>	Objects.equals(inc(v2), h4.join()));
2117	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2118	>	Objects.equals(inc(v2), h5.join()));
2119
2120	<	f = new CompletableFuture<>();
2121	<	f.completeExceptionally(new CFException());
2122	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2123	<	checkCompletedWithWrappedCFException(g);
2124	<	assertFalse(r.ran);
2125	<	}
2120	>	checkCompletedNormally(f, v1);
2121	>	checkCompletedNormally(g, v2);
2122	>	checkCompletedNormally(h0, inc(v1));
2123	>	checkCompletedNormally(h1, inc(v1));
2124	>	checkCompletedNormally(h2, inc(v1));
2125	>	checkCompletedNormally(h3, inc(v1));
2126	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2127	>	}}
2128
2129		/**
2130	<	* thenComposeAsync result completes exceptionally if action does
2130	>	* applyToEither result completes exceptionally after exceptional
2131	>	* completion of either source
2132		*/
2133	<	public void testThenComposeAsync3() {
2134	<	CompletableFuture<Integer> f, g;
2135	<	FailingCompletableFutureFunction r;
2133	>	public void testApplyToEither_exceptionalCompletion() {
2134	>	for (ExecutionMode m : ExecutionMode.values())
2135	>	for (Integer v1 : new Integer[] { 1, null })
2136	>	{
2137	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2138	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2139	>	final CFException ex = new CFException();
2140	>	final IncFunction[] rs = new IncFunction[6];
2141	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2142
2143	<	f = new CompletableFuture<>();
2144	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2145	<	f.complete(one);
2146	<	checkCompletedWithWrappedCFException(g);
2143	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2144	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2145	>	checkIncomplete(h0);
2146	>	checkIncomplete(h1);
2147	>	rs[0].assertNotInvoked();
2148	>	rs[1].assertNotInvoked();
2149	>	f.completeExceptionally(ex);
2150	>	checkCompletedWithWrappedException(h0, ex);
2151	>	checkCompletedWithWrappedException(h1, ex);
2152	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2153	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2154	>	checkCompletedWithWrappedException(h2, ex);
2155	>	checkCompletedWithWrappedException(h3, ex);
2156	>	g.complete(v1);
2157
2158	<	f = new CompletableFuture<>();
2159	<	f.complete(one);
2160	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2161	<	checkCompletedWithWrappedCFException(g);
2162	<	}
2158	>	// unspecified behavior - both source completions available
2159	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2160	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2161	>	try {
2162	>	assertEquals(inc(v1), h4.join());
2163	>	rs[4].assertValue(inc(v1));
2164	>	} catch (CompletionException ok) {
2165	>	checkCompletedWithWrappedException(h4, ex);
2166	>	rs[4].assertNotInvoked();
2167	>	}
2168	>	try {
2169	>	assertEquals(inc(v1), h5.join());
2170	>	rs[5].assertValue(inc(v1));
2171	>	} catch (CompletionException ok) {
2172	>	checkCompletedWithWrappedException(h5, ex);
2173	>	rs[5].assertNotInvoked();
2174	>	}
2175
2176	<	/**
2177	<	* thenComposeAsync result completes exceptionally if source cancelled
2178	<	*/
2179	<	public void testThenComposeAsync4() {
2180	<	CompletableFuture<Integer> f, g;
2181	<	CompletableFutureInc r;
2176	>	checkCompletedExceptionally(f, ex);
2177	>	checkCompletedNormally(g, v1);
2178	>	checkCompletedWithWrappedException(h0, ex);
2179	>	checkCompletedWithWrappedException(h1, ex);
2180	>	checkCompletedWithWrappedException(h2, ex);
2181	>	checkCompletedWithWrappedException(h3, ex);
2182	>	checkCompletedWithWrappedException(h4, ex);
2183	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2184	>	}}
2185
2186	<	f = new CompletableFuture<>();
2187	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2188	<	assertTrue(f.cancel(true));
2189	<	checkCompletedWithWrappedCancellationException(g);
2186	>	public void testApplyToEither_exceptionalCompletion2() {
2187	>	for (ExecutionMode m : ExecutionMode.values())
2188	>	for (boolean fFirst : new boolean[] { true, false })
2189	>	for (Integer v1 : new Integer[] { 1, null })
2190	>	{
2191	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2192	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2193	>	final CFException ex = new CFException();
2194	>	final IncFunction[] rs = new IncFunction[6];
2195	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2196
2197	<	f = new CompletableFuture<>();
2198	<	assertTrue(f.cancel(true));
2199	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2200	<	checkCompletedWithWrappedCancellationException(g);
2201	<	}
2197	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2198	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2199	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2200	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2201	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2202	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2203	>
2204	>	// unspecified behavior - both source completions available
2205	>	try {
2206	>	assertEquals(inc(v1), h0.join());
2207	>	rs[0].assertValue(inc(v1));
2208	>	} catch (CompletionException ok) {
2209	>	checkCompletedWithWrappedException(h0, ex);
2210	>	rs[0].assertNotInvoked();
2211	>	}
2212	>	try {
2213	>	assertEquals(inc(v1), h1.join());
2214	>	rs[1].assertValue(inc(v1));
2215	>	} catch (CompletionException ok) {
2216	>	checkCompletedWithWrappedException(h1, ex);
2217	>	rs[1].assertNotInvoked();
2218	>	}
2219	>	try {
2220	>	assertEquals(inc(v1), h2.join());
2221	>	rs[2].assertValue(inc(v1));
2222	>	} catch (CompletionException ok) {
2223	>	checkCompletedWithWrappedException(h2, ex);
2224	>	rs[2].assertNotInvoked();
2225	>	}
2226	>	try {
2227	>	assertEquals(inc(v1), h3.join());
2228	>	rs[3].assertValue(inc(v1));
2229	>	} catch (CompletionException ok) {
2230	>	checkCompletedWithWrappedException(h3, ex);
2231	>	rs[3].assertNotInvoked();
2232	>	}
2233
2234	<	// async with explicit executors
2234	>	checkCompletedNormally(f, v1);
2235	>	checkCompletedExceptionally(g, ex);
2236	>	}}
2237
2238		/**
2239	<	* thenRunAsync result completes normally after normal completion of source
2239	>	* applyToEither result completes exceptionally if either source cancelled
2240		*/
2241	<	public void testThenRunAsyncE() {
2242	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2243	<	Noop r = new Noop();
2244	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2245	<	f.complete(null);
2246	<	checkCompletedNormally(g, null);
2247	<
2248	<	// reordered version
2249	<	f = new CompletableFuture<>();
2275	<	f.complete(null);
2276	<	r = new Noop();
2277	<	g = f.thenRunAsync(r, new ThreadExecutor());
2278	<	checkCompletedNormally(g, null);
2279	<	}
2241	>	public void testApplyToEither_sourceCancelled() {
2242	>	for (ExecutionMode m : ExecutionMode.values())
2243	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2244	>	for (Integer v1 : new Integer[] { 1, null })
2245	>	{
2246	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2247	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2248	>	final IncFunction[] rs = new IncFunction[6];
2249	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2250
2251	<	/**
2252	<	* thenRunAsync result completes exceptionally after exceptional
2253	<	* completion of source
2254	<	*/
2255	<	public void testThenRunAsync2E() {
2256	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2257	<	Noop r = new Noop();
2258	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2259	<	f.completeExceptionally(new CFException());
2260	<	try {
2261	<	g.join();
2262	<	shouldThrow();
2263	<	} catch (CompletionException success) {}
2264	<	checkCompletedWithWrappedCFException(g);
2295	<	}
2251	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2252	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2253	>	checkIncomplete(h0);
2254	>	checkIncomplete(h1);
2255	>	rs[0].assertNotInvoked();
2256	>	rs[1].assertNotInvoked();
2257	>	f.cancel(mayInterruptIfRunning);
2258	>	checkCompletedWithWrappedCancellationException(h0);
2259	>	checkCompletedWithWrappedCancellationException(h1);
2260	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2261	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2262	>	checkCompletedWithWrappedCancellationException(h2);
2263	>	checkCompletedWithWrappedCancellationException(h3);
2264	>	g.complete(v1);
2265
2266	<	/**
2267	<	* thenRunAsync result completes exceptionally if action does
2268	<	*/
2269	<	public void testThenRunAsync3E() {
2270	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2271	<	FailingNoop r = new FailingNoop();
2272	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2273	<	f.complete(null);
2274	<	checkCompletedWithWrappedCFException(g);
2275	<	}
2266	>	// unspecified behavior - both source completions available
2267	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2268	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2269	>	try {
2270	>	assertEquals(inc(v1), h4.join());
2271	>	rs[4].assertValue(inc(v1));
2272	>	} catch (CompletionException ok) {
2273	>	checkCompletedWithWrappedCancellationException(h4);
2274	>	rs[4].assertNotInvoked();
2275	>	}
2276	>	try {
2277	>	assertEquals(inc(v1), h5.join());
2278	>	rs[5].assertValue(inc(v1));
2279	>	} catch (CompletionException ok) {
2280	>	checkCompletedWithWrappedCancellationException(h5);
2281	>	rs[5].assertNotInvoked();
2282	>	}
2283
2284	<	/**
2285	<	* thenRunAsync result completes exceptionally if source cancelled
2286	<	*/
2287	<	public void testThenRunAsync4E() {
2288	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2289	<	Noop r = new Noop();
2290	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2291	<	assertTrue(f.cancel(true));
2316	<	checkCompletedWithWrappedCancellationException(g);
2317	<	}
2284	>	checkCancelled(f);
2285	>	checkCompletedNormally(g, v1);
2286	>	checkCompletedWithWrappedCancellationException(h0);
2287	>	checkCompletedWithWrappedCancellationException(h1);
2288	>	checkCompletedWithWrappedCancellationException(h2);
2289	>	checkCompletedWithWrappedCancellationException(h3);
2290	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2291	>	}}
2292
2293	<	/**
2294	<	* thenApplyAsync result completes normally after normal completion of source
2295	<	*/
2296	<	public void testThenApplyAsyncE() {
2297	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2298	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2299	<	f.complete(one);
2300	<	checkCompletedNormally(g, two);
2301	<	}
2293	>	public void testApplyToEither_sourceCancelled2() {
2294	>	for (ExecutionMode m : ExecutionMode.values())
2295	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2296	>	for (boolean fFirst : new boolean[] { true, false })
2297	>	for (Integer v1 : new Integer[] { 1, null })
2298	>	{
2299	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2300	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2301	>	final IncFunction[] rs = new IncFunction[6];
2302	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2303
2304	<	/**
2305	<	* thenApplyAsync result completes exceptionally after exceptional
2306	<	* completion of source
2307	<	*/
2308	<	public void testThenApplyAsync2E() {
2309	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2310	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2311	<	f.completeExceptionally(new CFException());
2312	<	checkCompletedWithWrappedCFException(g);
2313	<	}
2304	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2305	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2306	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2307	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2308	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2309	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2310	>
2311	>	// unspecified behavior - both source completions available
2312	>	try {
2313	>	assertEquals(inc(v1), h0.join());
2314	>	rs[0].assertValue(inc(v1));
2315	>	} catch (CompletionException ok) {
2316	>	checkCompletedWithWrappedCancellationException(h0);
2317	>	rs[0].assertNotInvoked();
2318	>	}
2319	>	try {
2320	>	assertEquals(inc(v1), h1.join());
2321	>	rs[1].assertValue(inc(v1));
2322	>	} catch (CompletionException ok) {
2323	>	checkCompletedWithWrappedCancellationException(h1);
2324	>	rs[1].assertNotInvoked();
2325	>	}
2326	>	try {
2327	>	assertEquals(inc(v1), h2.join());
2328	>	rs[2].assertValue(inc(v1));
2329	>	} catch (CompletionException ok) {
2330	>	checkCompletedWithWrappedCancellationException(h2);
2331	>	rs[2].assertNotInvoked();
2332	>	}
2333	>	try {
2334	>	assertEquals(inc(v1), h3.join());
2335	>	rs[3].assertValue(inc(v1));
2336	>	} catch (CompletionException ok) {
2337	>	checkCompletedWithWrappedCancellationException(h3);
2338	>	rs[3].assertNotInvoked();
2339	>	}
2340
2341	<	/**
2342	<	* thenApplyAsync result completes exceptionally if action does
2343	<	*/
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	<	}
2341	>	checkCompletedNormally(f, v1);
2342	>	checkCancelled(g);
2343	>	}}
2344
2345		/**
2346	<	* thenApplyAsync result completes exceptionally if source cancelled
2346	>	* applyToEither result completes exceptionally if action does
2347		*/
2348	<	public void testThenApplyAsync4E() {
2349	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2350	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2351	<	assertTrue(f.cancel(true));
2352	<	checkCompletedWithWrappedCancellationException(g);
2353	<	}
2348	>	public void testApplyToEither_actionFailed() {
2349	>	for (ExecutionMode m : ExecutionMode.values())
2350	>	for (Integer v1 : new Integer[] { 1, null })
2351	>	for (Integer v2 : new Integer[] { 2, null })
2352	>	{
2353	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2354	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2355	>	final FailingFunction[] rs = new FailingFunction[6];
2356	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2357
2358	<	/**
2359	<	* thenAcceptAsync result completes normally after normal
2360	<	* completion of source
2361	<	*/
2362	<	public void testThenAcceptAsyncE() {
2363	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2364	<	IncAction r = new IncAction();
2365	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2366	<	f.complete(one);
2367	<	checkCompletedNormally(g, null);
2371	<	assertEquals(r.value, 2);
2372	<	}
2358	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2359	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2360	>	f.complete(v1);
2361	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2362	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2363	>	checkCompletedWithWrappedCFException(h0);
2364	>	checkCompletedWithWrappedCFException(h1);
2365	>	checkCompletedWithWrappedCFException(h2);
2366	>	checkCompletedWithWrappedCFException(h3);
2367	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2368
2369	<	/**
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	<	}
2369	>	g.complete(v2);
2370
2371	<	/**
2372	<	* thenAcceptAsync result completes exceptionally if action does
2373	<	*/
2374	<	public void testThenAcceptAsync3E() {
2375	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2376	<	FailingConsumer r = new FailingConsumer();
2377	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2378	<	f.complete(null);
2379	<	checkCompletedWithWrappedCFException(g);
2380	<	}
2371	>	// unspecified behavior - both source completions available
2372	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2373	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2374	>
2375	>	checkCompletedWithWrappedCFException(h4);
2376	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2377	>	Objects.equals(v2, rs[4].value));
2378	>	checkCompletedWithWrappedCFException(h5);
2379	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2380	>	Objects.equals(v2, rs[5].value));
2381
2382	<	/**
2383	<	* thenAcceptAsync result completes exceptionally if source cancelled
2384	<	*/
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	<	}
2382	>	checkCompletedNormally(f, v1);
2383	>	checkCompletedNormally(g, v2);
2384	>	}}
2385
2386		/**
2387	<	* thenCombineAsync result completes normally after normal
2388	<	* completion of sources
2387	>	* acceptEither result completes normally after normal completion
2388	>	* of either source
2389		*/
2390	<	public void testThenCombineAsyncE() {
2391	<	CompletableFuture<Integer> f, g, h;
2392	<	ThreadExecutor e = new ThreadExecutor();
2393	<	int count = 0;
2390	>	public void testAcceptEither_normalCompletion() {
2391	>	for (ExecutionMode m : ExecutionMode.values())
2392	>	for (Integer v1 : new Integer[] { 1, null })
2393	>	for (Integer v2 : new Integer[] { 2, null })
2394	>	{
2395	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2396	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2397	>	final NoopConsumer[] rs = new NoopConsumer[6];
2398	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2399
2400	<	f = new CompletableFuture<>();
2401	<	g = new CompletableFuture<>();
2402	<	h = f.thenCombineAsync(g, subtract, e);
2403	<	f.complete(3);
2404	<	checkIncomplete(h);
2405	<	g.complete(1);
2406	<	checkCompletedNormally(h, 2);
2407	<	assertEquals(++count, e.count.get());
2400	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2401	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2402	>	checkIncomplete(h0);
2403	>	checkIncomplete(h1);
2404	>	rs[0].assertNotInvoked();
2405	>	rs[1].assertNotInvoked();
2406	>	f.complete(v1);
2407	>	checkCompletedNormally(h0, null);
2408	>	checkCompletedNormally(h1, null);
2409	>	rs[0].assertValue(v1);
2410	>	rs[1].assertValue(v1);
2411	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2412	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2413	>	checkCompletedNormally(h2, null);
2414	>	checkCompletedNormally(h3, null);
2415	>	rs[2].assertValue(v1);
2416	>	rs[3].assertValue(v1);
2417	>	g.complete(v2);
2418
2419	<	f = new CompletableFuture<>();
2420	<	g = new CompletableFuture<>();
2421	<	h = f.thenCombineAsync(g, subtract, e);
2422	<	g.complete(1);
2423	<	checkIncomplete(h);
2424	<	f.complete(3);
2425	<	checkCompletedNormally(h, 2);
2426	<	assertEquals(++count, e.count.get());
2419	>	// unspecified behavior - both source completions available
2420	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2421	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2422	>	checkCompletedNormally(h4, null);
2423	>	checkCompletedNormally(h5, null);
2424	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2425	>	Objects.equals(v2, rs[4].value));
2426	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2427	>	Objects.equals(v2, rs[5].value));
2428
2429	<	f = new CompletableFuture<>();
2430	<	g = new CompletableFuture<>();
2431	<	g.complete(1);
2432	<	f.complete(3);
2433	<	h = f.thenCombineAsync(g, subtract, e);
2434	<	checkCompletedNormally(h, 2);
2435	<	assertEquals(++count, e.count.get());
2436	<	}
2429	>	checkCompletedNormally(f, v1);
2430	>	checkCompletedNormally(g, v2);
2431	>	checkCompletedNormally(h0, null);
2432	>	checkCompletedNormally(h1, null);
2433	>	checkCompletedNormally(h2, null);
2434	>	checkCompletedNormally(h3, null);
2435	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2436	>	}}
2437
2438		/**
2439	<	* thenCombineAsync result completes exceptionally after exceptional
2439	>	* acceptEither result completes exceptionally after exceptional
2440		* completion of either source
2441		*/
2442	<	public void testThenCombineAsync2E() {
2443	<	CompletableFuture<Integer> f, g, h;
2444	<	ThreadExecutor e = new ThreadExecutor();
2445	<	int count = 0;
2446	<
2447	<	f = new CompletableFuture<>();
2448	<	g = new CompletableFuture<>();
2449	<	h = f.thenCombineAsync(g, subtract, e);
2450	<	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	<	}
2442	>	public void testAcceptEither_exceptionalCompletion() {
2443	>	for (ExecutionMode m : ExecutionMode.values())
2444	>	for (Integer v1 : new Integer[] { 1, null })
2445	>	{
2446	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2447	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2448	>	final CFException ex = new CFException();
2449	>	final NoopConsumer[] rs = new NoopConsumer[6];
2450	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2451
2452	<	/**
2453	<	* thenCombineAsync result completes exceptionally if action does
2454	<	*/
2455	<	public void testThenCombineAsync3E() {
2456	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2457	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2458	<	FailingBiFunction r = new FailingBiFunction();
2459	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2460	<	f.complete(one);
2461	<	checkIncomplete(g);
2462	<	assertFalse(r.ran);
2463	<	f2.complete(two);
2464	<	checkCompletedWithWrappedCFException(g);
2493	<	assertTrue(r.ran);
2494	<	}
2452	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2453	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2454	>	checkIncomplete(h0);
2455	>	checkIncomplete(h1);
2456	>	rs[0].assertNotInvoked();
2457	>	rs[1].assertNotInvoked();
2458	>	f.completeExceptionally(ex);
2459	>	checkCompletedWithWrappedException(h0, ex);
2460	>	checkCompletedWithWrappedException(h1, ex);
2461	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2462	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2463	>	checkCompletedWithWrappedException(h2, ex);
2464	>	checkCompletedWithWrappedException(h3, ex);
2465
2466	<	/**
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();
2466	>	g.complete(v1);
2467
2468	<	f = new CompletableFuture<>();
2469	<	g = new CompletableFuture<>();
2470	<	h = f.thenCombineAsync(g, subtract, e);
2471	<	assertTrue(f.cancel(true));
2472	<	checkIncomplete(h);
2473	<	g.complete(1);
2474	<	checkCompletedWithWrappedCancellationException(h);
2468	>	// unspecified behavior - both source completions available
2469	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2470	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2471	>	try {
2472	>	assertNull(h4.join());
2473	>	rs[4].assertValue(v1);
2474	>	} catch (CompletionException ok) {
2475	>	checkCompletedWithWrappedException(h4, ex);
2476	>	rs[4].assertNotInvoked();
2477	>	}
2478	>	try {
2479	>	assertNull(h5.join());
2480	>	rs[5].assertValue(v1);
2481	>	} catch (CompletionException ok) {
2482	>	checkCompletedWithWrappedException(h5, ex);
2483	>	rs[5].assertNotInvoked();
2484	>	}
2485
2486	<	f = new CompletableFuture<>();
2487	<	g = new CompletableFuture<>();
2488	<	h = f.thenCombineAsync(g, subtract, e);
2489	<	assertTrue(g.cancel(true));
2490	<	checkIncomplete(h);
2491	<	f.complete(3);
2492	<	checkCompletedWithWrappedCancellationException(h);
2486	>	checkCompletedExceptionally(f, ex);
2487	>	checkCompletedNormally(g, v1);
2488	>	checkCompletedWithWrappedException(h0, ex);
2489	>	checkCompletedWithWrappedException(h1, ex);
2490	>	checkCompletedWithWrappedException(h2, ex);
2491	>	checkCompletedWithWrappedException(h3, ex);
2492	>	checkCompletedWithWrappedException(h4, ex);
2493	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2494	>	}}
2495
2496	<	f = new CompletableFuture<>();
2497	<	g = new CompletableFuture<>();
2498	<	assertTrue(g.cancel(true));
2499	<	h = f.thenCombineAsync(g, subtract, e);
2500	<	checkIncomplete(h);
2501	<	f.complete(3);
2502	<	checkCompletedWithWrappedCancellationException(h);
2496	>	public void testAcceptEither_exceptionalCompletion2() {
2497	>	for (ExecutionMode m : ExecutionMode.values())
2498	>	for (boolean fFirst : new boolean[] { true, false })
2499	>	for (Integer v1 : new Integer[] { 1, null })
2500	>	{
2501	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2502	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2503	>	final CFException ex = new CFException();
2504	>	final NoopConsumer[] rs = new NoopConsumer[6];
2505	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2506
2507	<	f = new CompletableFuture<>();
2508	<	g = new CompletableFuture<>();
2509	<	assertTrue(f.cancel(true));
2510	<	assertTrue(g.cancel(true));
2511	<	h = f.thenCombineAsync(g, subtract, e);
2512	<	checkCompletedWithWrappedCancellationException(h);
2507	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2508	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2509	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2510	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2511	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2512	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2513	>
2514	>	// unspecified behavior - both source completions available
2515	>	try {
2516	>	assertEquals(null, h0.join());
2517	>	rs[0].assertValue(v1);
2518	>	} catch (CompletionException ok) {
2519	>	checkCompletedWithWrappedException(h0, ex);
2520	>	rs[0].assertNotInvoked();
2521	>	}
2522	>	try {
2523	>	assertEquals(null, h1.join());
2524	>	rs[1].assertValue(v1);
2525	>	} catch (CompletionException ok) {
2526	>	checkCompletedWithWrappedException(h1, ex);
2527	>	rs[1].assertNotInvoked();
2528	>	}
2529	>	try {
2530	>	assertEquals(null, h2.join());
2531	>	rs[2].assertValue(v1);
2532	>	} catch (CompletionException ok) {
2533	>	checkCompletedWithWrappedException(h2, ex);
2534	>	rs[2].assertNotInvoked();
2535	>	}
2536	>	try {
2537	>	assertEquals(null, h3.join());
2538	>	rs[3].assertValue(v1);
2539	>	} catch (CompletionException ok) {
2540	>	checkCompletedWithWrappedException(h3, ex);
2541	>	rs[3].assertNotInvoked();
2542	>	}
2543
2544	<	assertEquals(0, e.count.get());
2545	<	}
2544	>	checkCompletedNormally(f, v1);
2545	>	checkCompletedExceptionally(g, ex);
2546	>	}}
2547
2548		/**
2549	<	* thenAcceptBothAsync result completes normally after normal
2539	<	* completion of sources
2549	>	* acceptEither result completes exceptionally if either source cancelled
2550		*/
2551	<	public void testThenAcceptBothAsyncE() {
2552	<	CompletableFuture<Integer> f, g;
2553	<	CompletableFuture<Void> h;
2554	<	SubtractAction r;
2555	<	ThreadExecutor e = new ThreadExecutor();
2551	>	public void testAcceptEither_sourceCancelled() {
2552	>	for (ExecutionMode m : ExecutionMode.values())
2553	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2554	>	for (Integer v1 : new Integer[] { 1, null })
2555	>	{
2556	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2557	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2558	>	final NoopConsumer[] rs = new NoopConsumer[6];
2559	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2560
2561	<	f = new CompletableFuture<>();
2562	<	g = new CompletableFuture<>();
2563	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2564	<	f.complete(3);
2565	<	checkIncomplete(h);
2566	<	g.complete(1);
2567	<	checkCompletedNormally(h, null);
2568	<	assertEquals(r.value, 2);
2561	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2562	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2563	>	checkIncomplete(h0);
2564	>	checkIncomplete(h1);
2565	>	rs[0].assertNotInvoked();
2566	>	rs[1].assertNotInvoked();
2567	>	f.cancel(mayInterruptIfRunning);
2568	>	checkCompletedWithWrappedCancellationException(h0);
2569	>	checkCompletedWithWrappedCancellationException(h1);
2570	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2571	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2572	>	checkCompletedWithWrappedCancellationException(h2);
2573	>	checkCompletedWithWrappedCancellationException(h3);
2574
2575	<	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);
2575	>	g.complete(v1);
2576
2577	<	f = new CompletableFuture<>();
2578	<	g = new CompletableFuture<>();
2579	<	g.complete(1);
2580	<	f.complete(3);
2581	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2582	<	checkCompletedNormally(h, null);
2583	<	assertEquals(r.value, 2);
2577	>	// unspecified behavior - both source completions available
2578	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2579	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2580	>	try {
2581	>	assertNull(h4.join());
2582	>	rs[4].assertValue(v1);
2583	>	} catch (CompletionException ok) {
2584	>	checkCompletedWithWrappedCancellationException(h4);
2585	>	rs[4].assertNotInvoked();
2586	>	}
2587	>	try {
2588	>	assertNull(h5.join());
2589	>	rs[5].assertValue(v1);
2590	>	} catch (CompletionException ok) {
2591	>	checkCompletedWithWrappedCancellationException(h5);
2592	>	rs[5].assertNotInvoked();
2593	>	}
2594
2595	<	assertEquals(3, e.count.get());
2596	<	}
2595	>	checkCancelled(f);
2596	>	checkCompletedNormally(g, v1);
2597	>	checkCompletedWithWrappedCancellationException(h0);
2598	>	checkCompletedWithWrappedCancellationException(h1);
2599	>	checkCompletedWithWrappedCancellationException(h2);
2600	>	checkCompletedWithWrappedCancellationException(h3);
2601	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2602	>	}}
2603
2604		/**
2605	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2578	<	* completion of source
2605	>	* acceptEither result completes exceptionally if action does
2606		*/
2607	<	public void testThenAcceptBothAsync2E() {
2608	<	CompletableFuture<Integer> f, g;
2609	<	CompletableFuture<Void> h;
2610	<	SubtractAction r;
2611	<	ThreadExecutor e = new ThreadExecutor();
2612	<
2613	<	f = new CompletableFuture<>();
2614	<	g = new CompletableFuture<>();
2615	<	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	<	}
2607	>	public void testAcceptEither_actionFailed() {
2608	>	for (ExecutionMode m : ExecutionMode.values())
2609	>	for (Integer v1 : new Integer[] { 1, null })
2610	>	for (Integer v2 : new Integer[] { 2, null })
2611	>	{
2612	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2613	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2614	>	final FailingConsumer[] rs = new FailingConsumer[6];
2615	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2616
2617	<	/**
2618	<	* thenAcceptBothAsync result completes exceptionally if action does
2619	<	*/
2620	<	public void testThenAcceptBothAsync3E() {
2621	<	CompletableFuture<Integer> f, g;
2622	<	CompletableFuture<Void> h;
2623	<	FailingBiConsumer r;
2624	<	ThreadExecutor e = new ThreadExecutor();
2617	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2618	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2619	>	f.complete(v1);
2620	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2621	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2622	>	checkCompletedWithWrappedCFException(h0);
2623	>	checkCompletedWithWrappedCFException(h1);
2624	>	checkCompletedWithWrappedCFException(h2);
2625	>	checkCompletedWithWrappedCFException(h3);
2626	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2627
2628	<	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);
2628	>	g.complete(v2);
2629
2630	<	f = new CompletableFuture<>();
2631	<	g = new CompletableFuture<>();
2632	<	f.complete(3);
2633	<	g.complete(1);
2634	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2635	<	checkCompletedWithWrappedCFException(h);
2630	>	// unspecified behavior - both source completions available
2631	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2632	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2633	>
2634	>	checkCompletedWithWrappedCFException(h4);
2635	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2636	>	Objects.equals(v2, rs[4].value));
2637	>	checkCompletedWithWrappedCFException(h5);
2638	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2639	>	Objects.equals(v2, rs[5].value));
2640
2641	<	assertEquals(2, e.count.get());
2642	<	}
2641	>	checkCompletedNormally(f, v1);
2642	>	checkCompletedNormally(g, v2);
2643	>	}}
2644
2645		/**
2646	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2646	>	* runAfterEither result completes normally after normal completion
2647	>	* of either source
2648		*/
2649	<	public void testThenAcceptBothAsync4E() {
2650	<	CompletableFuture<Integer> f, g;
2651	<	CompletableFuture<Void> h;
2652	<	SubtractAction r;
2653	<	ThreadExecutor e = new ThreadExecutor();
2654	<
2655	<	f = new CompletableFuture<>();
2656	<	g = new CompletableFuture<>();
2657	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2658	<	assertTrue(f.cancel(true));
2659	<	checkIncomplete(h);
2660	<	g.complete(1);
2661	<	checkCompletedWithWrappedCancellationException(h);
2649	>	public void testRunAfterEither_normalCompletion() {
2650	>	for (ExecutionMode m : ExecutionMode.values())
2651	>	for (Integer v1 : new Integer[] { 1, null })
2652	>	for (Integer v2 : new Integer[] { 2, null })
2653	>	{
2654	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2655	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2656	>	final Noop[] rs = new Noop[6];
2657	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2658
2659	<	f = new CompletableFuture<>();
2660	<	g = new CompletableFuture<>();
2661	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2662	<	assertTrue(g.cancel(true));
2663	<	checkIncomplete(h);
2664	<	f.complete(3);
2665	<	checkCompletedWithWrappedCancellationException(h);
2659	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2660	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2661	>	checkIncomplete(h0);
2662	>	checkIncomplete(h1);
2663	>	rs[0].assertNotInvoked();
2664	>	rs[1].assertNotInvoked();
2665	>	f.complete(v1);
2666	>	checkCompletedNormally(h0, null);
2667	>	checkCompletedNormally(h1, null);
2668	>	rs[0].assertInvoked();
2669	>	rs[1].assertInvoked();
2670	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2671	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2672	>	checkCompletedNormally(h2, null);
2673	>	checkCompletedNormally(h3, null);
2674	>	rs[2].assertInvoked();
2675	>	rs[3].assertInvoked();
2676
2677	<	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);
2677	>	g.complete(v2);
2678
2679	<	f = new CompletableFuture<>();
2680	<	g = new CompletableFuture<>();
2680	<	assertTrue(f.cancel(true));
2681	<	g.complete(3);
2682	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2683	<	checkCompletedWithWrappedCancellationException(h);
2679	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2680	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2681
2682	<	assertEquals(0, e.count.get());
2683	<	}
2682	>	checkCompletedNormally(f, v1);
2683	>	checkCompletedNormally(g, v2);
2684	>	checkCompletedNormally(h0, null);
2685	>	checkCompletedNormally(h1, null);
2686	>	checkCompletedNormally(h2, null);
2687	>	checkCompletedNormally(h3, null);
2688	>	checkCompletedNormally(h4, null);
2689	>	checkCompletedNormally(h5, null);
2690	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2691	>	}}
2692
2693		/**
2694	<	* applyToEitherAsync result completes normally after normal
2695	<	* completion of sources
2694	>	* runAfterEither result completes exceptionally after exceptional
2695	>	* completion of either source
2696		*/
2697	<	public void testApplyToEitherAsyncE() {
2698	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2699	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2700	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2701	<	f.complete(one);
2702	<	checkCompletedNormally(g, two);
2703	<
2704	<	f = new CompletableFuture<>();
2705	<	f.complete(one);
2701	<	f2 = new CompletableFuture<>();
2702	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2703	<	checkCompletedNormally(g, two);
2704	<	}
2697	>	public void testRunAfterEither_exceptionalCompletion() {
2698	>	for (ExecutionMode m : ExecutionMode.values())
2699	>	for (Integer v1 : new Integer[] { 1, null })
2700	>	{
2701	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2702	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2703	>	final CFException ex = new CFException();
2704	>	final Noop[] rs = new Noop[6];
2705	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2706
2707	<	/**
2708	<	* applyToEitherAsync result completes exceptionally after exceptional
2709	<	* completion of source
2710	<	*/
2711	<	public void testApplyToEitherAsync2E() {
2712	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2713	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2714	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2715	<	f.completeExceptionally(new CFException());
2716	<	checkCompletedWithWrappedCFException(g);
2707	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2708	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2709	>	checkIncomplete(h0);
2710	>	checkIncomplete(h1);
2711	>	rs[0].assertNotInvoked();
2712	>	rs[1].assertNotInvoked();
2713	>	assertTrue(f.completeExceptionally(ex));
2714	>	checkCompletedWithWrappedException(h0, ex);
2715	>	checkCompletedWithWrappedException(h1, ex);
2716	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2717	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2718	>	checkCompletedWithWrappedException(h2, ex);
2719	>	checkCompletedWithWrappedException(h3, ex);
2720	>
2721	>	assertTrue(g.complete(v1));
2722	>
2723	>	// unspecified behavior - both source completions available
2724	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2725	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2726	>	try {
2727	>	assertNull(h4.join());
2728	>	rs[4].assertInvoked();
2729	>	} catch (CompletionException ok) {
2730	>	checkCompletedWithWrappedException(h4, ex);
2731	>	rs[4].assertNotInvoked();
2732	>	}
2733	>	try {
2734	>	assertNull(h5.join());
2735	>	rs[5].assertInvoked();
2736	>	} catch (CompletionException ok) {
2737	>	checkCompletedWithWrappedException(h5, ex);
2738	>	rs[5].assertNotInvoked();
2739	>	}
2740
2741	<	f = new CompletableFuture<>();
2742	<	f2 = new CompletableFuture<>();
2743	<	f2.completeExceptionally(new CFException());
2744	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2745	<	f.complete(one);
2746	<	checkCompletedWithWrappedCFException(g);
2747	<	}
2741	>	checkCompletedExceptionally(f, ex);
2742	>	checkCompletedNormally(g, v1);
2743	>	checkCompletedWithWrappedException(h0, ex);
2744	>	checkCompletedWithWrappedException(h1, ex);
2745	>	checkCompletedWithWrappedException(h2, ex);
2746	>	checkCompletedWithWrappedException(h3, ex);
2747	>	checkCompletedWithWrappedException(h4, ex);
2748	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2749	>	}}
2750
2751	<	/**
2752	<	* applyToEitherAsync result completes exceptionally if action does
2753	<	*/
2754	<	public void testApplyToEitherAsync3E() {
2755	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2756	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2757	<	FailingFunction r = new FailingFunction();
2758	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2759	<	f.complete(one);
2760	<	checkCompletedWithWrappedCFException(g);
2735	<	}
2751	>	public void testRunAfterEither_exceptionalCompletion2() {
2752	>	for (ExecutionMode m : ExecutionMode.values())
2753	>	for (boolean fFirst : new boolean[] { true, false })
2754	>	for (Integer v1 : new Integer[] { 1, null })
2755	>	{
2756	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2757	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2758	>	final CFException ex = new CFException();
2759	>	final Noop[] rs = new Noop[6];
2760	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2761
2762	<	/**
2763	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2764	<	*/
2765	<	public void testApplyToEitherAsync4E() {
2766	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2767	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2768	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2769	<	assertTrue(f.cancel(true));
2770	<	checkCompletedWithWrappedCancellationException(g);
2762	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2763	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2764	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2765	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2766	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2767	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2768	>
2769	>	// unspecified behavior - both source completions available
2770	>	try {
2771	>	assertEquals(null, h0.join());
2772	>	rs[0].assertInvoked();
2773	>	} catch (CompletionException ok) {
2774	>	checkCompletedWithWrappedException(h0, ex);
2775	>	rs[0].assertNotInvoked();
2776	>	}
2777	>	try {
2778	>	assertEquals(null, h1.join());
2779	>	rs[1].assertInvoked();
2780	>	} catch (CompletionException ok) {
2781	>	checkCompletedWithWrappedException(h1, ex);
2782	>	rs[1].assertNotInvoked();
2783	>	}
2784	>	try {
2785	>	assertEquals(null, h2.join());
2786	>	rs[2].assertInvoked();
2787	>	} catch (CompletionException ok) {
2788	>	checkCompletedWithWrappedException(h2, ex);
2789	>	rs[2].assertNotInvoked();
2790	>	}
2791	>	try {
2792	>	assertEquals(null, h3.join());
2793	>	rs[3].assertInvoked();
2794	>	} catch (CompletionException ok) {
2795	>	checkCompletedWithWrappedException(h3, ex);
2796	>	rs[3].assertNotInvoked();
2797	>	}
2798
2799	<	f = new CompletableFuture<>();
2800	<	f2 = new CompletableFuture<>();
2801	<	assertTrue(f2.cancel(true));
2750	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2751	<	checkCompletedWithWrappedCancellationException(g);
2752	<	}
2799	>	checkCompletedNormally(f, v1);
2800	>	checkCompletedExceptionally(g, ex);
2801	>	}}
2802
2803		/**
2804	<	* acceptEitherAsync result completes normally after normal
2756	<	* completion of sources
2804	>	* runAfterEither result completes exceptionally if either source cancelled
2805		*/
2806	<	public void testAcceptEitherAsyncE() {
2807	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2808	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2809	<	IncAction r = new IncAction();
2810	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2811	<	f.complete(one);
2812	<	checkCompletedNormally(g, null);
2813	<	assertEquals(r.value, 2);
2814	<
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	<	}
2806	>	public void testRunAfterEither_sourceCancelled() {
2807	>	for (ExecutionMode m : ExecutionMode.values())
2808	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2809	>	for (Integer v1 : new Integer[] { 1, null })
2810	>	{
2811	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2812	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2813	>	final Noop[] rs = new Noop[6];
2814	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2815
2816	<	/**
2817	<	* acceptEitherAsync result completes exceptionally after exceptional
2818	<	* completion of source
2819	<	*/
2820	<	public void testAcceptEitherAsync2E() {
2821	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2822	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2823	<	IncAction r = new IncAction();
2824	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2825	<	f.completeExceptionally(new CFException());
2826	<	checkCompletedWithWrappedCFException(g);
2816	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2817	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2818	>	checkIncomplete(h0);
2819	>	checkIncomplete(h1);
2820	>	rs[0].assertNotInvoked();
2821	>	rs[1].assertNotInvoked();
2822	>	f.cancel(mayInterruptIfRunning);
2823	>	checkCompletedWithWrappedCancellationException(h0);
2824	>	checkCompletedWithWrappedCancellationException(h1);
2825	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2826	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2827	>	checkCompletedWithWrappedCancellationException(h2);
2828	>	checkCompletedWithWrappedCancellationException(h3);
2829	>
2830	>	assertTrue(g.complete(v1));
2831	>
2832	>	// unspecified behavior - both source completions available
2833	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2834	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2835	>	try {
2836	>	assertNull(h4.join());
2837	>	rs[4].assertInvoked();
2838	>	} catch (CompletionException ok) {
2839	>	checkCompletedWithWrappedCancellationException(h4);
2840	>	rs[4].assertNotInvoked();
2841	>	}
2842	>	try {
2843	>	assertNull(h5.join());
2844	>	rs[5].assertInvoked();
2845	>	} catch (CompletionException ok) {
2846	>	checkCompletedWithWrappedCancellationException(h5);
2847	>	rs[5].assertNotInvoked();
2848	>	}
2849
2850	<	r = new IncAction();
2851	<	f = new CompletableFuture<>();
2852	<	f2 = new CompletableFuture<>();
2853	<	f2.completeExceptionally(new CFException());
2854	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2855	<	f.complete(one);
2856	<	checkCompletedWithWrappedCFException(g);
2857	<	}
2850	>	checkCancelled(f);
2851	>	checkCompletedNormally(g, v1);
2852	>	checkCompletedWithWrappedCancellationException(h0);
2853	>	checkCompletedWithWrappedCancellationException(h1);
2854	>	checkCompletedWithWrappedCancellationException(h2);
2855	>	checkCompletedWithWrappedCancellationException(h3);
2856	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2857	>	}}
2858
2859		/**
2860	<	* acceptEitherAsync result completes exceptionally if action does
2860	>	* runAfterEither result completes exceptionally if action does
2861		*/
2862	<	public void testAcceptEitherAsync3E() {
2863	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2864	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2865	<	FailingConsumer r = new FailingConsumer();
2866	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2867	<	f.complete(one);
2868	<	checkCompletedWithWrappedCFException(g);
2869	<	}
2862	>	public void testRunAfterEither_actionFailed() {
2863	>	for (ExecutionMode m : ExecutionMode.values())
2864	>	for (Integer v1 : new Integer[] { 1, null })
2865	>	for (Integer v2 : new Integer[] { 2, null })
2866	>	{
2867	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2868	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2869	>	final FailingRunnable[] rs = new FailingRunnable[6];
2870	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2871
2872	<	/**
2873	<	* acceptEitherAsync result completes exceptionally if either
2874	<	* source cancelled
2875	<	*/
2876	<	public void testAcceptEitherAsync4E() {
2877	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2878	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2879	<	IncAction r = new IncAction();
2880	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2881	<	assertTrue(f.cancel(true));
2882	<	checkCompletedWithWrappedCancellationException(g);
2872	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2873	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2874	>	assertTrue(f.complete(v1));
2875	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2876	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2877	>	checkCompletedWithWrappedCFException(h0);
2878	>	checkCompletedWithWrappedCFException(h1);
2879	>	checkCompletedWithWrappedCFException(h2);
2880	>	checkCompletedWithWrappedCFException(h3);
2881	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2882	>	assertTrue(g.complete(v2));
2883	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2884	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2885	>	checkCompletedWithWrappedCFException(h4);
2886	>	checkCompletedWithWrappedCFException(h5);
2887
2888	<	r = new IncAction();
2889	<	f = new CompletableFuture<>();
2890	<	f2 = new CompletableFuture<>();
2891	<	assertTrue(f2.cancel(true));
2825	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2826	<	checkCompletedWithWrappedCancellationException(g);
2827	<	}
2888	>	checkCompletedNormally(f, v1);
2889	>	checkCompletedNormally(g, v2);
2890	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2891	>	}}
2892
2893		/**
2894	<	* runAfterEitherAsync result completes normally after normal
2831	<	* completion of sources
2894	>	* thenCompose result completes normally after normal completion of source
2895		*/
2896	<	public void testRunAfterEitherAsyncE() {
2897	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2898	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2899	<	Noop r = new Noop();
2900	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2901	<	f.complete(one);
2902	<	checkCompletedNormally(g, null);
2903	<	assertTrue(r.ran);
2896	>	public void testThenCompose_normalCompletion() {
2897	>	for (ExecutionMode m : ExecutionMode.values())
2898	>	for (boolean createIncomplete : new boolean[] { true, false })
2899	>	for (Integer v1 : new Integer[] { 1, null })
2900	>	{
2901	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2902	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2903	>	if (!createIncomplete) assertTrue(f.complete(v1));
2904	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2905	>	if (createIncomplete) assertTrue(f.complete(v1));
2906
2907	<	r = new Noop();
2908	<	f = new CompletableFuture<>();
2909	<	f.complete(one);
2910	<	f2 = new CompletableFuture<>();
2846	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2847	<	checkCompletedNormally(g, null);
2848	<	assertTrue(r.ran);
2849	<	}
2907	>	checkCompletedNormally(g, inc(v1));
2908	>	checkCompletedNormally(f, v1);
2909	>	r.assertValue(v1);
2910	>	}}
2911
2912		/**
2913	<	* runAfterEitherAsync result completes exceptionally after exceptional
2913	>	* thenCompose result completes exceptionally after exceptional
2914		* completion of source
2915		*/
2916	<	public void testRunAfterEitherAsync2E() {
2917	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2918	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2919	<	Noop r = new Noop();
2920	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2921	<	f.completeExceptionally(new CFException());
2922	<	checkCompletedWithWrappedCFException(g);
2923	<
2924	<	r = new Noop();
2925	<	f = new CompletableFuture<>();
2926	<	f2 = new CompletableFuture<>();
2927	<	f2.completeExceptionally(new CFException());
2928	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2929	<	f.complete(one);
2930	<	checkCompletedWithWrappedCFException(g);
2870	<	}
2916	>	public void testThenCompose_exceptionalCompletion() {
2917	>	for (ExecutionMode m : ExecutionMode.values())
2918	>	for (boolean createIncomplete : new boolean[] { true, false })
2919	>	{
2920	>	final CFException ex = new CFException();
2921	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2922	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2923	>	if (!createIncomplete) f.completeExceptionally(ex);
2924	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2925	>	if (createIncomplete) f.completeExceptionally(ex);
2926	>
2927	>	checkCompletedWithWrappedException(g, ex);
2928	>	checkCompletedExceptionally(f, ex);
2929	>	r.assertNotInvoked();
2930	>	}}
2931
2932		/**
2933	<	* runAfterEitherAsync result completes exceptionally if action does
2933	>	* thenCompose result completes exceptionally if action does
2934		*/
2935	<	public void testRunAfterEitherAsync3E() {
2936	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2937	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2938	<	FailingNoop r = new FailingNoop();
2939	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2940	<	f.complete(one);
2935	>	public void testThenCompose_actionFailed() {
2936	>	for (ExecutionMode m : ExecutionMode.values())
2937	>	for (boolean createIncomplete : new boolean[] { true, false })
2938	>	for (Integer v1 : new Integer[] { 1, null })
2939	>	{
2940	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2941	>	final FailingCompletableFutureFunction r
2942	>	= new FailingCompletableFutureFunction(m);
2943	>	if (!createIncomplete) assertTrue(f.complete(v1));
2944	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2945	>	if (createIncomplete) assertTrue(f.complete(v1));
2946	>
2947		checkCompletedWithWrappedCFException(g);
2948	<	}
2948	>	checkCompletedNormally(f, v1);
2949	>	}}
2950
2951		/**
2952	<	* runAfterEitherAsync result completes exceptionally if either
2886	<	* source cancelled
2952	>	* thenCompose result completes exceptionally if source cancelled
2953		*/
2954	<	public void testRunAfterEitherAsync4E() {
2955	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2956	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2957	<	Noop r = new Noop();
2958	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2959	<	assertTrue(f.cancel(true));
2960	<	checkCompletedWithWrappedCancellationException(g);
2954	>	public void testThenCompose_sourceCancelled() {
2955	>	for (ExecutionMode m : ExecutionMode.values())
2956	>	for (boolean createIncomplete : new boolean[] { true, false })
2957	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2958	>	{
2959	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2960	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2961	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2962	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2963	>	if (createIncomplete) {
2964	>	checkIncomplete(g);
2965	>	assertTrue(f.cancel(mayInterruptIfRunning));
2966	>	}
2967
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());
2968		checkCompletedWithWrappedCancellationException(g);
2969	<	}
2970	<
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	<	}
2969	>	checkCancelled(f);
2970	>	}}
2971
2972		/**
2973	<	* thenComposeAsync result completes exceptionally if action does
2973	>	* thenCompose result completes exceptionally if the result of the action does
2974		*/
2975	<	public void testThenComposeAsync3E() {
2976	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2977	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2978	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2979	<	f.complete(one);
2980	<	checkCompletedWithWrappedCFException(g);
2981	<	}
2975	>	public void testThenCompose_actionReturnsFailingFuture() {
2976	>	for (ExecutionMode m : ExecutionMode.values())
2977	>	for (int order = 0; order < 6; order++)
2978	>	for (Integer v1 : new Integer[] { 1, null })
2979	>	{
2980	>	final CFException ex = new CFException();
2981	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2982	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2983	>	final CompletableFuture<Integer> h;
2984	>	// Test all permutations of orders
2985	>	switch (order) {
2986	>	case 0:
2987	>	assertTrue(f.complete(v1));
2988	>	assertTrue(g.completeExceptionally(ex));
2989	>	h = m.thenCompose(f, (x -> g));
2990	>	break;
2991	>	case 1:
2992	>	assertTrue(f.complete(v1));
2993	>	h = m.thenCompose(f, (x -> g));
2994	>	assertTrue(g.completeExceptionally(ex));
2995	>	break;
2996	>	case 2:
2997	>	assertTrue(g.completeExceptionally(ex));
2998	>	assertTrue(f.complete(v1));
2999	>	h = m.thenCompose(f, (x -> g));
3000	>	break;
3001	>	case 3:
3002	>	assertTrue(g.completeExceptionally(ex));
3003	>	h = m.thenCompose(f, (x -> g));
3004	>	assertTrue(f.complete(v1));
3005	>	break;
3006	>	case 4:
3007	>	h = m.thenCompose(f, (x -> g));
3008	>	assertTrue(f.complete(v1));
3009	>	assertTrue(g.completeExceptionally(ex));
3010	>	break;
3011	>	case 5:
3012	>	h = m.thenCompose(f, (x -> g));
3013	>	assertTrue(f.complete(v1));
3014	>	assertTrue(g.completeExceptionally(ex));
3015	>	break;
3016	>	default: throw new AssertionError();
3017	>	}
3018
3019	<	/**
3020	<	* thenComposeAsync result completes exceptionally if source cancelled
3021	<	*/
3022	<	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	<	}
3019	>	checkCompletedExceptionally(g, ex);
3020	>	checkCompletedWithWrappedException(h, ex);
3021	>	checkCompletedNormally(f, v1);
3022	>	}}
3023
3024		// other static methods
3025
#	Line 2963 | Line 3037 | public class CompletableFutureTest exten
3037		* when all components complete normally
3038		*/
3039		public void testAllOf_normal() throws Exception {
3040	<	for (int k = 1; k < 20; ++k) {
3041	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3042	<	for (int i = 0; i < k; ++i)
3040	>	for (int k = 1; k < 10; k++) {
3041	>	CompletableFuture<Integer>[] fs
3042	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3043	>	for (int i = 0; i < k; i++)
3044	>	fs[i] = new CompletableFuture<>();
3045	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3046	>	for (int i = 0; i < k; i++) {
3047	>	checkIncomplete(f);
3048	>	checkIncomplete(CompletableFuture.allOf(fs));
3049	>	fs[i].complete(one);
3050	>	}
3051	>	checkCompletedNormally(f, null);
3052	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3053	>	}
3054	>	}
3055	>
3056	>	public void testAllOf_backwards() throws Exception {
3057	>	for (int k = 1; k < 10; k++) {
3058	>	CompletableFuture<Integer>[] fs
3059	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3060	>	for (int i = 0; i < k; i++)
3061		fs[i] = new CompletableFuture<>();
3062		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3063	<	for (int i = 0; i < k; ++i) {
3063	>	for (int i = k - 1; i >= 0; i--) {
3064		checkIncomplete(f);
3065		checkIncomplete(CompletableFuture.allOf(fs));
3066		fs[i].complete(one);
#	Line 2978 | Line 3070 | public class CompletableFutureTest exten
3070		}
3071		}
3072
3073	+	public void testAllOf_exceptional() throws Exception {
3074	+	for (int k = 1; k < 10; k++) {
3075	+	CompletableFuture<Integer>[] fs
3076	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3077	+	CFException ex = new CFException();
3078	+	for (int i = 0; i < k; i++)
3079	+	fs[i] = new CompletableFuture<>();
3080	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3081	+	for (int i = 0; i < k; i++) {
3082	+	checkIncomplete(f);
3083	+	checkIncomplete(CompletableFuture.allOf(fs));
3084	+	if (i != k / 2) {
3085	+	fs[i].complete(i);
3086	+	checkCompletedNormally(fs[i], i);
3087	+	} else {
3088	+	fs[i].completeExceptionally(ex);
3089	+	checkCompletedExceptionally(fs[i], ex);
3090	+	}
3091	+	}
3092	+	checkCompletedWithWrappedException(f, ex);
3093	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3094	+	}
3095	+	}
3096	+
3097		/**
3098		* anyOf(no component futures) returns an incomplete future
3099		*/
3100		public void testAnyOf_empty() throws Exception {
3101	+	for (Integer v1 : new Integer[] { 1, null })
3102	+	{
3103		CompletableFuture<Object> f = CompletableFuture.anyOf();
3104		checkIncomplete(f);
3105	<	}
3105	>
3106	>	f.complete(v1);
3107	>	checkCompletedNormally(f, v1);
3108	>	}}
3109
3110		/**
3111		* anyOf returns a future completed normally with a value when
3112		* a component future does
3113		*/
3114		public void testAnyOf_normal() throws Exception {
3115	<	for (int k = 0; k < 10; ++k) {
3115	>	for (int k = 0; k < 10; k++) {
3116		CompletableFuture[] fs = new CompletableFuture[k];
3117	<	for (int i = 0; i < k; ++i)
3117	>	for (int i = 0; i < k; i++)
3118		fs[i] = new CompletableFuture<>();
3119		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3120		checkIncomplete(f);
3121	<	for (int i = 0; i < k; ++i) {
3122	<	fs[i].complete(one);
3123	<	checkCompletedNormally(f, one);
3124	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3121	>	for (int i = 0; i < k; i++) {
3122	>	fs[i].complete(i);
3123	>	checkCompletedNormally(f, 0);
3124	>	int x = (int) CompletableFuture.anyOf(fs).join();
3125	>	assertTrue(0 <= x && x <= i);
3126	>	}
3127	>	}
3128	>	}
3129	>	public void testAnyOf_normal_backwards() throws Exception {
3130	>	for (int k = 0; k < 10; k++) {
3131	>	CompletableFuture[] fs = new CompletableFuture[k];
3132	>	for (int i = 0; i < k; i++)
3133	>	fs[i] = new CompletableFuture<>();
3134	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3135	>	checkIncomplete(f);
3136	>	for (int i = k - 1; i >= 0; i--) {
3137	>	fs[i].complete(i);
3138	>	checkCompletedNormally(f, k - 1);
3139	>	int x = (int) CompletableFuture.anyOf(fs).join();
3140	>	assertTrue(i <= x && x <= k - 1);
3141		}
3142		}
3143		}
#	Line 3009 | Line 3146 | public class CompletableFutureTest exten
3146		* anyOf result completes exceptionally when any component does.
3147		*/
3148		public void testAnyOf_exceptional() throws Exception {
3149	<	for (int k = 0; k < 10; ++k) {
3149	>	for (int k = 0; k < 10; k++) {
3150		CompletableFuture[] fs = new CompletableFuture[k];
3151	<	for (int i = 0; i < k; ++i)
3151	>	CFException[] exs = new CFException[k];
3152	>	for (int i = 0; i < k; i++) {
3153		fs[i] = new CompletableFuture<>();
3154	+	exs[i] = new CFException();
3155	+	}
3156	+	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3157	+	checkIncomplete(f);
3158	+	for (int i = 0; i < k; i++) {
3159	+	fs[i].completeExceptionally(exs[i]);
3160	+	checkCompletedWithWrappedException(f, exs[0]);
3161	+	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3162	+	}
3163	+	}
3164	+	}
3165	+
3166	+	public void testAnyOf_exceptional_backwards() throws Exception {
3167	+	for (int k = 0; k < 10; k++) {
3168	+	CompletableFuture[] fs = new CompletableFuture[k];
3169	+	CFException[] exs = new CFException[k];
3170	+	for (int i = 0; i < k; i++) {
3171	+	fs[i] = new CompletableFuture<>();
3172	+	exs[i] = new CFException();
3173	+	}
3174		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3175		checkIncomplete(f);
3176	<	for (int i = 0; i < k; ++i) {
3177	<	fs[i].completeExceptionally(new CFException());
3178	<	checkCompletedWithWrappedCFException(f);
3176	>	for (int i = k - 1; i >= 0; i--) {
3177	>	fs[i].completeExceptionally(exs[i]);
3178	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3179		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3180		}
3181		}
#	Line 3030 | Line 3188 | public class CompletableFutureTest exten
3188		CompletableFuture<Integer> f = new CompletableFuture<>();
3189		CompletableFuture<Integer> g = new CompletableFuture<>();
3190		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3033	–	CompletableFuture<?> h;
3191		ThreadExecutor exec = new ThreadExecutor();
3192
3193		Runnable[] throwingActions = {
3194		() -> CompletableFuture.supplyAsync(null),
3195		() -> CompletableFuture.supplyAsync(null, exec),
3196	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3196	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3197
3198		() -> CompletableFuture.runAsync(null),
3199		() -> CompletableFuture.runAsync(null, exec),
#	Line 3109 | Line 3266 | public class CompletableFutureTest exten
3266
3267		() -> f.thenCompose(null),
3268		() -> f.thenComposeAsync(null),
3269	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3269	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3270		() -> f.thenComposeAsync(null, exec),
3271
3272		() -> f.exceptionally(null),
#	Line 3127 | Line 3284 | public class CompletableFutureTest exten
3284		() -> CompletableFuture.anyOf(null, f),
3285
3286		() -> f.obtrudeException(null),
3287	+
3288	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3289	+	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3290	+	() -> CompletableFuture.delayedExecutor(1L, null),
3291	+
3292	+	() -> f.orTimeout(1L, null),
3293	+	() -> f.completeOnTimeout(42, 1L, null),
3294	+
3295	+	() -> CompletableFuture.failedFuture(null),
3296	+	() -> CompletableFuture.failedStage(null),
3297		};
3298
3299		assertThrows(NullPointerException.class, throwingActions);
#	Line 3141 | Line 3308 | public class CompletableFutureTest exten
3308		assertSame(f, f.toCompletableFuture());
3309		}
3310
3311	+	// jdk9
3312	+
3313		/**
3314	<	* whenComplete action executes on normal completion, propagating
3146	<	* source result.
3314	>	* newIncompleteFuture returns an incomplete CompletableFuture
3315		*/
3316	<	public void testWhenComplete1() {
3317	<	final AtomicInteger a = new AtomicInteger();
3316	>	public void testNewIncompleteFuture() {
3317	>	for (Integer v1 : new Integer[] { 1, null })
3318	>	{
3319		CompletableFuture<Integer> f = new CompletableFuture<>();
3320	<	CompletableFuture<Integer> g =
3321	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3322	<	f.complete(three);
3323	<	checkCompletedNormally(f, three);
3324	<	checkCompletedNormally(g, three);
3325	<	assertEquals(a.get(), 1);
3320	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3321	>	checkIncomplete(f);
3322	>	checkIncomplete(g);
3323	>	f.complete(v1);
3324	>	checkCompletedNormally(f, v1);
3325	>	checkIncomplete(g);
3326	>	g.complete(v1);
3327	>	checkCompletedNormally(g, v1);
3328	>	assertSame(g.getClass(), CompletableFuture.class);
3329	>	}}
3330	>
3331	>	/**
3332	>	* completedStage returns a completed CompletionStage
3333	>	*/
3334	>	public void testCompletedStage() {
3335	>	AtomicInteger x = new AtomicInteger(0);
3336	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3337	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3338	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3339	>	assertEquals(x.get(), 1);
3340	>	assertNull(r.get());
3341		}
3342
3343		/**
3344	<	* whenComplete action executes on exceptional completion, propagating
3345	<	* source result.
3344	>	* defaultExecutor by default returns the commonPool if
3345	>	* it supports more than one thread.
3346		*/
3347	<	public void testWhenComplete2() {
3164	<	final AtomicInteger a = new AtomicInteger();
3347	>	public void testDefaultExecutor() {
3348		CompletableFuture<Integer> f = new CompletableFuture<>();
3349	<	CompletableFuture<Integer> g =
3350	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3351	<	f.completeExceptionally(new CFException());
3352	<	assertTrue(f.isCompletedExceptionally());
3353	<	assertTrue(g.isCompletedExceptionally());
3354	<	assertEquals(a.get(), 1);
3349	>	Executor e = f.defaultExecutor();
3350	>	Executor c = ForkJoinPool.commonPool();
3351	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3352	>	assertSame(e, c);
3353	>	else
3354	>	assertNotSame(e, c);
3355		}
3356
3357		/**
3358	<	* If a whenComplete action throws an exception when triggered by
3359	<	* a normal completion, it completes exceptionally
3358	>	* failedFuture returns a CompletableFuture completed
3359	>	* exceptionally with the given Exception
3360		*/
3361	<	public void testWhenComplete3() {
3362	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3363	<	CompletableFuture<Integer> g =
3364	<	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);
3361	>	public void testFailedFuture() {
3362	>	CFException ex = new CFException();
3363	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3364	>	checkCompletedExceptionally(f, ex);
3365		}
3366
3367		/**
3368	<	* whenCompleteAsync action executes on normal completion, propagating
3191	<	* source result.
3368	>	* failedFuture(null) throws NPE
3369		*/
3370	<	public void testWhenCompleteAsync1() {
3371	<	final AtomicInteger a = new AtomicInteger();
3372	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3373	<	CompletableFuture<Integer> g =
3374	<	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);
3370	>	public void testFailedFuture_null() {
3371	>	try {
3372	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3373	>	shouldThrow();
3374	>	} catch (NullPointerException success) {}
3375		}
3376
3377		/**
3378	<	* whenCompleteAsync action executes on exceptional completion, propagating
3379	<	* source result.
3378	>	* copy returns a CompletableFuture that is completed normally,
3379	>	* with the same value, when source is.
3380		*/
3381	<	public void testWhenCompleteAsync2() {
3209	<	final AtomicInteger a = new AtomicInteger();
3381	>	public void testCopy() {
3382		CompletableFuture<Integer> f = new CompletableFuture<>();
3383	<	CompletableFuture<Integer> g =
3384	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3385	<	f.completeExceptionally(new CFException());
3386	<	checkCompletedWithWrappedCFException(f);
3387	<	checkCompletedWithWrappedCFException(g);
3383	>	CompletableFuture<Integer> g = f.copy();
3384	>	checkIncomplete(f);
3385	>	checkIncomplete(g);
3386	>	f.complete(1);
3387	>	checkCompletedNormally(f, 1);
3388	>	checkCompletedNormally(g, 1);
3389		}
3390
3391		/**
3392	<	* If a whenCompleteAsync action throws an exception when
3393	<	* triggered by a normal completion, it completes exceptionally
3392	>	* copy returns a CompletableFuture that is completed exceptionally
3393	>	* when source is.
3394		*/
3395	<	public void testWhenCompleteAsync3() {
3395	>	public void testCopy2() {
3396		CompletableFuture<Integer> f = new CompletableFuture<>();
3397	<	CompletableFuture<Integer> g =
3398	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3399	<	{ throw new CFException(); } );
3400	<	f.complete(three);
3401	<	checkCompletedNormally(f, three);
3402	<	checkCompletedWithWrappedCFException(g);
3397	>	CompletableFuture<Integer> g = f.copy();
3398	>	checkIncomplete(f);
3399	>	checkIncomplete(g);
3400	>	CFException ex = new CFException();
3401	>	f.completeExceptionally(ex);
3402	>	checkCompletedExceptionally(f, ex);
3403	>	checkCompletedWithWrappedException(g, ex);
3404		}
3405
3406		/**
3407	<	* whenCompleteAsync action executes on normal completion, propagating
3408	<	* source result.
3407	>	* minimalCompletionStage returns a CompletableFuture that is
3408	>	* completed normally, with the same value, when source is.
3409		*/
3410	<	public void testWhenCompleteAsync1e() {
3237	<	final AtomicInteger a = new AtomicInteger();
3238	<	ThreadExecutor exec = new ThreadExecutor();
3410	>	public void testMinimalCompletionStage() {
3411		CompletableFuture<Integer> f = new CompletableFuture<>();
3412	<	CompletableFuture<Integer> g =
3413	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3414	<	exec);
3415	<	f.complete(three);
3416	<	checkCompletedNormally(f, three);
3417	<	checkCompletedNormally(g, three);
3418	<	assertEquals(a.get(), 1);
3412	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3413	>	AtomicInteger x = new AtomicInteger(0);
3414	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3415	>	checkIncomplete(f);
3416	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3417	>	f.complete(1);
3418	>	checkCompletedNormally(f, 1);
3419	>	assertEquals(x.get(), 1);
3420	>	assertNull(r.get());
3421		}
3422
3423		/**
3424	<	* whenCompleteAsync action executes on exceptional completion, propagating
3425	<	* source result.
3424	>	* minimalCompletionStage returns a CompletableFuture that is
3425	>	* completed exceptionally when source is.
3426		*/
3427	<	public void testWhenCompleteAsync2e() {
3254	<	final AtomicInteger a = new AtomicInteger();
3255	<	ThreadExecutor exec = new ThreadExecutor();
3427	>	public void testMinimalCompletionStage2() {
3428		CompletableFuture<Integer> f = new CompletableFuture<>();
3429	<	CompletableFuture<Integer> g =
3430	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3431	<	exec);
3432	<	f.completeExceptionally(new CFException());
3433	<	checkCompletedWithWrappedCFException(f);
3434	<	checkCompletedWithWrappedCFException(g);
3429	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3430	>	AtomicInteger x = new AtomicInteger(0);
3431	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3432	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3433	>	checkIncomplete(f);
3434	>	CFException ex = new CFException();
3435	>	f.completeExceptionally(ex);
3436	>	checkCompletedExceptionally(f, ex);
3437	>	assertEquals(x.get(), 0);
3438	>	assertEquals(r.get().getCause(), ex);
3439		}
3440
3441		/**
3442	<	* If a whenCompleteAsync action throws an exception when triggered
3443	<	* by a normal completion, it completes exceptionally
3442	>	* failedStage returns a CompletionStage completed
3443	>	* exceptionally with the given Exception
3444		*/
3445	<	public void testWhenCompleteAsync3e() {
3446	<	ThreadExecutor exec = new ThreadExecutor();
3445	>	public void testFailedStage() {
3446	>	CFException ex = new CFException();
3447	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3448	>	AtomicInteger x = new AtomicInteger(0);
3449	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3450	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3451	>	assertEquals(x.get(), 0);
3452	>	assertEquals(r.get(), ex);
3453	>	}
3454	>
3455	>	/**
3456	>	* completeAsync completes with value of given supplier
3457	>	*/
3458	>	public void testCompleteAsync() {
3459	>	for (Integer v1 : new Integer[] { 1, null })
3460	>	{
3461		CompletableFuture<Integer> f = new CompletableFuture<>();
3462	<	CompletableFuture<Integer> g =
3463	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3464	<	{ throw new CFException(); },
3465	<	exec);
3466	<	f.complete(three);
3467	<	checkCompletedNormally(f, three);
3468	<	checkCompletedWithWrappedCFException(g);
3462	>	f.completeAsync(() -> v1);
3463	>	f.join();
3464	>	checkCompletedNormally(f, v1);
3465	>	}}
3466	>
3467	>	/**
3468	>	* completeAsync completes exceptionally if given supplier throws
3469	>	*/
3470	>	public void testCompleteAsync2() {
3471	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3472	>	CFException ex = new CFException();
3473	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3474	>	try {
3475	>	f.join();
3476	>	shouldThrow();
3477	>	} catch (CompletionException success) {}
3478	>	checkCompletedWithWrappedException(f, ex);
3479		}
3480
3481		/**
3482	<	* handleAsync action completes normally with function value on
3283	<	* either normal or exceptional completion of source
3482	>	* completeAsync with given executor completes with value of given supplier
3483		*/
3484	<	public void testHandleAsync() {
3485	<	CompletableFuture<Integer> f, g;
3486	<	IntegerHandler r;
3484	>	public void testCompleteAsync3() {
3485	>	for (Integer v1 : new Integer[] { 1, null })
3486	>	{
3487	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3488	>	ThreadExecutor executor = new ThreadExecutor();
3489	>	f.completeAsync(() -> v1, executor);
3490	>	assertSame(v1, f.join());
3491	>	checkCompletedNormally(f, v1);
3492	>	assertEquals(1, executor.count.get());
3493	>	}}
3494
3495	<	f = new CompletableFuture<>();
3496	<	g = f.handleAsync(r = new IntegerHandler());
3497	<	assertFalse(r.ran);
3498	<	f.completeExceptionally(new CFException());
3499	<	checkCompletedWithWrappedCFException(f);
3500	<	checkCompletedNormally(g, three);
3501	<	assertTrue(r.ran);
3495	>	/**
3496	>	* completeAsync with given executor completes exceptionally if
3497	>	* given supplier throws
3498	>	*/
3499	>	public void testCompleteAsync4() {
3500	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3501	>	CFException ex = new CFException();
3502	>	ThreadExecutor executor = new ThreadExecutor();
3503	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3504	>	try {
3505	>	f.join();
3506	>	shouldThrow();
3507	>	} catch (CompletionException success) {}
3508	>	checkCompletedWithWrappedException(f, ex);
3509	>	assertEquals(1, executor.count.get());
3510	>	}
3511
3512	<	f = new CompletableFuture<>();
3513	<	g = f.handleAsync(r = new IntegerHandler());
3514	<	assertFalse(r.ran);
3515	<	f.completeExceptionally(new CFException());
3516	<	checkCompletedWithWrappedCFException(f);
3517	<	checkCompletedNormally(g, three);
3518	<	assertTrue(r.ran);
3512	>	/**
3513	>	* orTimeout completes with TimeoutException if not complete
3514	>	*/
3515	>	public void testOrTimeout_timesOut() {
3516	>	long timeoutMillis = timeoutMillis();
3517	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3518	>	long startTime = System.nanoTime();
3519	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3520	>	checkCompletedWithTimeoutException(f);
3521	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3522	>	}
3523
3524	<	f = new CompletableFuture<>();
3525	<	g = f.handleAsync(r = new IntegerHandler());
3526	<	assertFalse(r.ran);
3527	<	f.complete(one);
3528	<	checkCompletedNormally(f, one);
3529	<	checkCompletedNormally(g, two);
3530	<	assertTrue(r.ran);
3524	>	/**
3525	>	* orTimeout completes normally if completed before timeout
3526	>	*/
3527	>	public void testOrTimeout_completed() {
3528	>	for (Integer v1 : new Integer[] { 1, null })
3529	>	{
3530	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3531	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3532	>	long startTime = System.nanoTime();
3533	>	f.complete(v1);
3534	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3535	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3536	>	g.complete(v1);
3537	>	checkCompletedNormally(f, v1);
3538	>	checkCompletedNormally(g, v1);
3539	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3540	>	}}
3541
3542	<	f = new CompletableFuture<>();
3543	<	g = f.handleAsync(r = new IntegerHandler());
3544	<	assertFalse(r.ran);
3545	<	f.complete(one);
3546	<	checkCompletedNormally(f, one);
3547	<	checkCompletedNormally(g, two);
3548	<	assertTrue(r.ran);
3542	>	/**
3543	>	* completeOnTimeout completes with given value if not complete
3544	>	*/
3545	>	public void testCompleteOnTimeout_timesOut() {
3546	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3547	>	() -> testCompleteOnTimeout_timesOut(null));
3548	>	}
3549	>
3550	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3551	>	long timeoutMillis = timeoutMillis();
3552	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3553	>	long startTime = System.nanoTime();
3554	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3555	>	assertSame(v, f.join());
3556	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3557	>	f.complete(99);         // should have no effect
3558	>	checkCompletedNormally(f, v);
3559		}
3560
3561		/**
3562	<	* handleAsync action with Executor completes normally with
3324	<	* function value on either normal or exceptional completion of
3325	<	* source
3562	>	* completeOnTimeout has no effect if completed within timeout
3563		*/
3564	<	public void testHandleAsync2() {
3565	<	CompletableFuture<Integer> f, g;
3566	<	ThreadExecutor exec = new ThreadExecutor();
3567	<	IntegerHandler r;
3564	>	public void testCompleteOnTimeout_completed() {
3565	>	for (Integer v1 : new Integer[] { 1, null })
3566	>	{
3567	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3568	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3569	>	long startTime = System.nanoTime();
3570	>	f.complete(v1);
3571	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3572	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3573	>	g.complete(v1);
3574	>	checkCompletedNormally(f, v1);
3575	>	checkCompletedNormally(g, v1);
3576	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3577	>	}}
3578
3579	<	f = new CompletableFuture<>();
3580	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3581	<	assertFalse(r.ran);
3582	<	f.completeExceptionally(new CFException());
3583	<	checkCompletedWithWrappedCFException(f);
3584	<	checkCompletedNormally(g, three);
3585	<	assertTrue(r.ran);
3579	>	/**
3580	>	* delayedExecutor returns an executor that delays submission
3581	>	*/
3582	>	public void testDelayedExecutor() {
3583	>	testInParallel(() -> testDelayedExecutor(null, null),
3584	>	() -> testDelayedExecutor(null, 1),
3585	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3586	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3587	>	}
3588	>
3589	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3590	>	long timeoutMillis = timeoutMillis();
3591	>	// Use an "unreasonably long" long timeout to catch lingering threads
3592	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3593	>	final Executor delayer, longDelayer;
3594	>	if (executor == null) {
3595	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3596	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3597	>	} else {
3598	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3599	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3600	>	}
3601	>	long startTime = System.nanoTime();
3602	>	CompletableFuture<Integer> f =
3603	>	CompletableFuture.supplyAsync(() -> v, delayer);
3604	>	CompletableFuture<Integer> g =
3605	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3606
3607	<	f = new CompletableFuture<>();
3341	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3342	<	assertFalse(r.ran);
3343	<	f.completeExceptionally(new CFException());
3344	<	checkCompletedWithWrappedCFException(f);
3345	<	checkCompletedNormally(g, three);
3346	<	assertTrue(r.ran);
3607	>	assertNull(g.getNow(null));
3608
3609	<	f = new CompletableFuture<>();
3610	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3611	<	assertFalse(r.ran);
3612	<	f.complete(one);
3352	<	checkCompletedNormally(f, one);
3353	<	checkCompletedNormally(g, two);
3354	<	assertTrue(r.ran);
3609	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3610	>	long millisElapsed = millisElapsedSince(startTime);
3611	>	assertTrue(millisElapsed >= timeoutMillis);
3612	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3613
3614	<	f = new CompletableFuture<>();
3615	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3616	<	assertFalse(r.ran);
3617	<	f.complete(one);
3618	<	checkCompletedNormally(f, one);
3619	<	checkCompletedNormally(g, two);
3620	<	assertTrue(r.ran);
3614	>	checkCompletedNormally(f, v);
3615	>
3616	>	checkIncomplete(g);
3617	>	assertTrue(g.cancel(true));
3618	>	}
3619	>
3620	>	//--- tests of implementation details; not part of official tck ---
3621	>
3622	>	Object resultOf(CompletableFuture<?> f) {
3623	>	try {
3624	>	java.lang.reflect.Field resultField
3625	>	= CompletableFuture.class.getDeclaredField("result");
3626	>	resultField.setAccessible(true);
3627	>	return resultField.get(f);
3628	>	} catch (Throwable t) { throw new AssertionError(t); }
3629	>	}
3630	>
3631	>	public void testExceptionPropagationReusesResultObject() {
3632	>	if (!testImplementationDetails) return;
3633	>	for (ExecutionMode m : ExecutionMode.values())
3634	>	{
3635	>	final CFException ex = new CFException();
3636	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3637	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3638	>
3639	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3640	>	= new ArrayList<>();
3641	>
3642	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3643	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3644	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3645	>
3646	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3647	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3648	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3649	>
3650	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3651	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3652	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3653	>
3654	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3655	>
3656	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3657	>
3658	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3659	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3660	>
3661	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3662	>	fun : funs) {
3663	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3664	>	f.completeExceptionally(ex);
3665	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3666	>	checkCompletedWithWrappedException(src, ex);
3667	>	CompletableFuture<?> dep = fun.apply(src);
3668	>	checkCompletedWithWrappedException(dep, ex);
3669	>	assertSame(resultOf(src), resultOf(dep));
3670	>	}
3671	>
3672	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3673	>	fun : funs) {
3674	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3675	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3676	>	CompletableFuture<?> dep = fun.apply(src);
3677	>	f.completeExceptionally(ex);
3678	>	checkCompletedWithWrappedException(src, ex);
3679	>	checkCompletedWithWrappedException(dep, ex);
3680	>	assertSame(resultOf(src), resultOf(dep));
3681	>	}
3682	>
3683	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3684	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3685	>	fun : funs) {
3686	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3687	>	f.cancel(mayInterruptIfRunning);
3688	>	checkCancelled(f);
3689	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3690	>	checkCompletedWithWrappedCancellationException(src);
3691	>	CompletableFuture<?> dep = fun.apply(src);
3692	>	checkCompletedWithWrappedCancellationException(dep);
3693	>	assertSame(resultOf(src), resultOf(dep));
3694	>	}
3695	>
3696	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3697	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3698	>	fun : funs) {
3699	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3700	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3701	>	CompletableFuture<?> dep = fun.apply(src);
3702	>	f.cancel(mayInterruptIfRunning);
3703	>	checkCancelled(f);
3704	>	checkCompletedWithWrappedCancellationException(src);
3705	>	checkCompletedWithWrappedCancellationException(dep);
3706	>	assertSame(resultOf(src), resultOf(dep));
3707	>	}
3708	>	}}
3709	>
3710	>	/**
3711	>	* Minimal completion stages throw UOE for all non-CompletionStage methods
3712	>	*/
3713	>	public void testMinimalCompletionStage_minimality() {
3714	>	if (!testImplementationDetails) return;
3715	>	Function<Method, String> toSignature =
3716	>	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3717	>	Predicate<Method> isNotStatic =
3718	>	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3719	>	List<Method> minimalMethods =
3720	>	Stream.of(Object.class, CompletionStage.class)
3721	>	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3722	>	.filter(isNotStatic)
3723	>	.collect(Collectors.toList());
3724	>	// Methods from CompletableFuture permitted NOT to throw UOE
3725	>	String[] signatureWhitelist = {
3726	>	"newIncompleteFuture[]",
3727	>	"defaultExecutor[]",
3728	>	"minimalCompletionStage[]",
3729	>	"copy[]",
3730	>	};
3731	>	Set<String> permittedMethodSignatures =
3732	>	Stream.concat(minimalMethods.stream().map(toSignature),
3733	>	Stream.of(signatureWhitelist))
3734	>	.collect(Collectors.toSet());
3735	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3736	>	.filter(isNotStatic)
3737	>	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3738	>	.collect(Collectors.toList());
3739	>
3740	>	CompletionStage<Integer> minimalStage =
3741	>	new CompletableFuture<Integer>().minimalCompletionStage();
3742	>
3743	>	List<Method> bugs = new ArrayList<>();
3744	>	for (Method method : allMethods) {
3745	>	Class<?>[] parameterTypes = method.getParameterTypes();
3746	>	Object[] args = new Object[parameterTypes.length];
3747	>	// Manufacture boxed primitives for primitive params
3748	>	for (int i = 0; i < args.length; i++) {
3749	>	Class<?> type = parameterTypes[i];
3750	>	if (parameterTypes[i] == boolean.class)
3751	>	args[i] = false;
3752	>	else if (parameterTypes[i] == int.class)
3753	>	args[i] = 0;
3754	>	else if (parameterTypes[i] == long.class)
3755	>	args[i] = 0L;
3756	>	}
3757	>	try {
3758	>	method.invoke(minimalStage, args);
3759	>	bugs.add(method);
3760	>	}
3761	>	catch (java.lang.reflect.InvocationTargetException expected) {
3762	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3763	>	bugs.add(method);
3764	>	// expected.getCause().printStackTrace();
3765	>	}
3766	>	}
3767	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3768	>	}
3769	>	if (!bugs.isEmpty())
3770	>	throw new Error("Methods did not throw UOE: " + bugs.toString());
3771		}
3772
3773	+	static class Monad {
3774	+	static class ZeroException extends RuntimeException {
3775	+	public ZeroException() { super("monadic zero"); }
3776	+	}
3777	+	// "return", "unit"
3778	+	static <T> CompletableFuture<T> unit(T value) {
3779	+	return completedFuture(value);
3780	+	}
3781	+	// monadic zero ?
3782	+	static <T> CompletableFuture<T> zero() {
3783	+	return failedFuture(new ZeroException());
3784	+	}
3785	+	// >=>
3786	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3787	+	(Function<T, CompletableFuture<U>> f,
3788	+	Function<U, CompletableFuture<V>> g) {
3789	+	return (x) -> f.apply(x).thenCompose(g);
3790	+	}
3791	+
3792	+	static void assertZero(CompletableFuture<?> f) {
3793	+	try {
3794	+	f.getNow(null);
3795	+	throw new AssertionFailedError("should throw");
3796	+	} catch (CompletionException success) {
3797	+	assertTrue(success.getCause() instanceof ZeroException);
3798	+	}
3799	+	}
3800	+
3801	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
3802	+	CompletableFuture<T> g) {
3803	+	T fval = null, gval = null;
3804	+	Throwable fex = null, gex = null;
3805	+
3806	+	try { fval = f.get(); }
3807	+	catch (ExecutionException ex) { fex = ex.getCause(); }
3808	+	catch (Throwable ex) { fex = ex; }
3809	+
3810	+	try { gval = g.get(); }
3811	+	catch (ExecutionException ex) { gex = ex.getCause(); }
3812	+	catch (Throwable ex) { gex = ex; }
3813	+
3814	+	if (fex != null || gex != null)
3815	+	assertSame(fex.getClass(), gex.getClass());
3816	+	else
3817	+	assertEquals(fval, gval);
3818	+	}
3819	+
3820	+	static class PlusFuture<T> extends CompletableFuture<T> {
3821	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3822	+	}
3823	+
3824	+	// Monadic "plus"
3825	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3826	+	CompletableFuture<? extends T> g) {
3827	+	PlusFuture<T> plus = new PlusFuture<T>();
3828	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3829	+	if (ex == null) {
3830	+	if (plus.complete(result))
3831	+	if (plus.firstFailure.get() != null)
3832	+	plus.firstFailure.set(null);
3833	+	}
3834	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
3835	+	if (plus.isDone())
3836	+	plus.firstFailure.set(null);
3837	+	}
3838	+	else {
3839	+	// first failure has precedence
3840	+	Throwable first = plus.firstFailure.getAndSet(null);
3841	+
3842	+	// may fail with "Self-suppression not permitted"
3843	+	try { first.addSuppressed(ex); }
3844	+	catch (Exception ignored) {}
3845	+
3846	+	plus.completeExceptionally(first);
3847	+	}
3848	+	};
3849	+	f.whenComplete(action);
3850	+	g.whenComplete(action);
3851	+	return plus;
3852	+	}
3853	+	}
3854	+
3855	+	/**
3856	+	* CompletableFuture is an additive monad - sort of.
3857	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3858	+	*/
3859	+	public void testAdditiveMonad() throws Throwable {
3860	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3861	+	CompletableFuture<Long> zero = Monad.zero();
3862	+
3863	+	// Some mutually non-commutative functions
3864	+	Function<Long, CompletableFuture<Long>> triple
3865	+	= (x) -> Monad.unit(3 * x);
3866	+	Function<Long, CompletableFuture<Long>> inc
3867	+	= (x) -> Monad.unit(x + 1);
3868	+
3869	+	// unit is a right identity: m >>= unit === m
3870	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3871	+	inc.apply(5L));
3872	+	// unit is a left identity: (unit x) >>= f === f x
3873	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3874	+	inc.apply(5L));
3875	+
3876	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3877	+	Monad.assertFutureEquals(
3878	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3879	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3880	+
3881	+	// The case for CompletableFuture as an additive monad is weaker...
3882	+
3883	+	// zero is a monadic zero
3884	+	Monad.assertZero(zero);
3885	+
3886	+	// left zero: zero >>= f === zero
3887	+	Monad.assertZero(zero.thenCompose(inc));
3888	+	// right zero: f >>= (\x -> zero) === zero
3889	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3890	+
3891	+	// f plus zero === f
3892	+	Monad.assertFutureEquals(Monad.unit(5L),
3893	+	Monad.plus(Monad.unit(5L), zero));
3894	+	// zero plus f === f
3895	+	Monad.assertFutureEquals(Monad.unit(5L),
3896	+	Monad.plus(zero, Monad.unit(5L)));
3897	+	// zero plus zero === zero
3898	+	Monad.assertZero(Monad.plus(zero, zero));
3899	+	{
3900	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3901	+	Monad.unit(8L));
3902	+	// non-determinism
3903	+	assertTrue(f.get() == 5L || f.get() == 8L);
3904	+	}
3905	+
3906	+	CompletableFuture<Long> godot = new CompletableFuture<>();
3907	+	// f plus godot === f (doesn't wait for godot)
3908	+	Monad.assertFutureEquals(Monad.unit(5L),
3909	+	Monad.plus(Monad.unit(5L), godot));
3910	+	// godot plus f === f (doesn't wait for godot)
3911	+	Monad.assertFutureEquals(Monad.unit(5L),
3912	+	Monad.plus(godot, Monad.unit(5L)));
3913	+	}
3914	+
3915	+	//     static <U> U join(CompletionStage<U> stage) {
3916	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3917	+	//         stage.whenComplete((v, ex) -> {
3918	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3919	+	//         });
3920	+	//         return f.join();
3921	+	//     }
3922	+
3923	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
3924	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3925	+	//         stage.whenComplete((v, ex) -> {
3926	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3927	+	//         });
3928	+	//         return f.isDone();
3929	+	//     }
3930	+
3931	+	//     static <U> U join2(CompletionStage<U> stage) {
3932	+	//         return stage.toCompletableFuture().copy().join();
3933	+	//     }
3934	+
3935	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3936	+	//         return stage.toCompletableFuture().copy().isDone();
3937	+	//     }
3938	+
3939		}

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