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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.42 by jsr166, Mon Jun 2 02:19:23 2014 UTC vs.
Revision 1.138 by jsr166, Sun Nov 15 23:31:51 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;
23	<	import static java.util.concurrent.TimeUnit.SECONDS;
24	<	import java.util.*;
25	<	import java.util.function.Supplier;
26	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
28	–	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 42 | 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 55 | 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));
60	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
79		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 73 | 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) {
93	<	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 {
96	<	f.get();
97	<	shouldThrow();
98	<	} catch (ExecutionException success) {
99	<	assertTrue(success.getCause() instanceof CFException);
100	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
101	<	assertTrue(f.isDone());
102	<	assertFalse(f.isCancelled());
103	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
104	<	}
110	>	checker.accept(cause);
111
112	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
107	<	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 153 | Line 191 | public class CompletableFutureTest exten
191		shouldThrow();
192		} catch (CancellationException success) {
193		} catch (Throwable fail) { threadUnexpectedException(fail); }
156	–	assertTrue(f.isDone());
157	–	assertTrue(f.isCompletedExceptionally());
158	–	assertTrue(f.isCancelled());
159	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
160	–	}
194
195	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
196	<	try {
164	<	f.get(LONG_DELAY_MS, MILLISECONDS);
165	<	shouldThrow();
166	<	} catch (ExecutionException success) {
167	<	assertTrue(success.getCause() instanceof CancellationException);
168	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
169	<	try {
170	<	f.join();
171	<	shouldThrow();
172	<	} catch (CompletionException success) {
173	<	assertTrue(success.getCause() instanceof CancellationException);
174	<	}
175	<	try {
176	<	f.getNow(null);
177	<	shouldThrow();
178	<	} catch (CompletionException success) {
179	<	assertTrue(success.getCause() instanceof CancellationException);
180	<	}
181	<	try {
182	<	f.get();
183	<	shouldThrow();
184	<	} catch (ExecutionException success) {
185	<	assertTrue(success.getCause() instanceof CancellationException);
186	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
195	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
196	>
197		assertTrue(f.isDone());
188	–	assertFalse(f.isCancelled());
198		assertTrue(f.isCompletedExceptionally());
199	+	assertTrue(f.isCancelled());
200		assertTrue(f.toString().contains("[Completed exceptionally]"));
201		}
202
#	Line 204 | 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 216 | 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 226 | 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 238 | 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 247 | 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 257 | 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());
265	<	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);
275	<	}
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 300 | 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 316 | Line 361 | public class CompletableFutureTest exten
361		checkCompletedNormally(f, "test");
362		}
363
364	<	// Choose non-commutative actions for better coverage
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	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
373	>	void assertInvoked() { assertEquals(1, invocationCount); }
374	>	}
375
376	<	// A non-commutative function that handles and produces null values as well.
377	<	static Integer subtract(Integer x, Integer y) {
378	<	return (x == null && y == null) ? null :
379	<	((x == null) ? 42 : x.intValue())
380	<	- ((y == null) ? 99 : y.intValue());
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	>	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	>	public Integer get() {
394	>	invoked();
395	>	return value;
396	>	}
397		}
398
399		// A function that handles and produces null values as well.
#	Line 330 | Line 401 | public class CompletableFutureTest exten
401		return (x == null) ? null : x + 1;
402		}
403
404	<	static final Supplier<Integer> supplyOne =
405	<	() -> Integer.valueOf(1);
406	<	static final Function<Integer, Integer> inc =
407	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
337	<	static final BiFunction<Integer, Integer, Integer> subtract =
338	<	(Integer x, Integer y) -> subtract(x, y);
339	<	static final class IncAction implements Consumer<Integer> {
340	<	int invocationCount = 0;
341	<	Integer value;
342	<	public boolean ran() { return invocationCount == 1; }
404	>	class NoopConsumer extends CheckedIntegerAction
405	>	implements Consumer<Integer>
406	>	{
407	>	NoopConsumer(ExecutionMode m) { super(m); }
408		public void accept(Integer x) {
409	<	invocationCount++;
410	<	value = inc(x);
409	>	invoked();
410	>	value = x;
411		}
412		}
413	<	static final class IncFunction implements Function<Integer,Integer> {
414	<	int invocationCount = 0;
415	<	Integer value;
416	<	public boolean ran() { return invocationCount == 1; }
413	>
414	>	class IncFunction extends CheckedIntegerAction
415	>	implements Function<Integer,Integer>
416	>	{
417	>	IncFunction(ExecutionMode m) { super(m); }
418		public Integer apply(Integer x) {
419	<	invocationCount++;
419	>	invoked();
420		return value = inc(x);
421		}
422		}
423	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
424	<	int invocationCount = 0;
425	<	Integer value;
426	<	// Check this action was invoked exactly once when result is computed.
427	<	public boolean ran() { return invocationCount == 1; }
423	>
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	>	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	<	invocationCount++;
437	>	invoked();
438		value = subtract(x, y);
439		}
440		}
441	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
442	<	int invocationCount = 0;
443	<	Integer value;
444	<	// Check this action was invoked exactly once when result is computed.
445	<	public boolean ran() { return invocationCount == 1; }
441	>
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	<	invocationCount++;
447	>	invoked();
448		return value = subtract(x, y);
449		}
450		}
451	<	static final class Noop implements Runnable {
452	<	int invocationCount = 0;
453	<	boolean ran;
451	>
452	>	class Noop extends CheckedAction implements Runnable {
453	>	Noop(ExecutionMode m) { super(m); }
454		public void run() {
455	<	invocationCount++;
382	<	ran = true;
455	>	invoked();
456		}
457		}
458
459	<	static final class FailingSupplier implements Supplier<Integer> {
460	<	boolean ran;
461	<	public Integer get() { ran = true; throw new CFException(); }
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	<	static final class FailingConsumer implements Consumer<Integer> {
469	<	boolean ran;
470	<	public void accept(Integer x) { ran = true; throw new CFException(); }
468	>
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	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
480	<	boolean ran;
481	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
479	>
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	<	static final class FailingFunction implements Function<Integer, Integer> {
491	<	boolean ran;
492	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
490	>
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	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
502	<	boolean ran;
503	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
501	>
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	<	static final class FailingNoop implements Runnable {
513	<	boolean ran;
514	<	public void run() { ran = true; throw new CFException(); }
512	>
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	<	static final class CompletableFutureInc
522	<	implements Function<Integer, CompletableFuture<Integer>> {
523	<	boolean ran;
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	<	ran = true;
526	>	invoked();
527	>	value = x;
528		CompletableFuture<Integer> f = new CompletableFuture<>();
529	<	f.complete(Integer.valueOf(x.intValue() + 1));
529	>	assertTrue(f.complete(inc(x)));
530		return f;
531		}
532		}
533
534	<	static final class FailingCompletableFutureFunction
535	<	implements Function<Integer, CompletableFuture<Integer>> {
536	<	boolean ran;
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	<	ran = true; throw new CFException();
539	>	invoked();
540	>	value = x;
541	>	throw new CFException();
542		}
543		}
544
545		// Used for explicit executor tests
546		static final class ThreadExecutor implements Executor {
547	<	AtomicInteger count = new AtomicInteger(0);
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		public void execute(Runnable r) {
554		count.getAndIncrement();
555	<	new Thread(r).start();
555	>	new Thread(tg, r).start();
556		}
557		}
558
559	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
560	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
442	<	}
443	<
444	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
445	<	boolean ran;
446	<	public Integer apply(Integer x, Throwable t) {
447	<	ran = true;
448	<	return (t == null) ? two : three;
449	<	}
450	<	}
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 a) {
607		return f.runAfterBoth(g, a);
#	Line 471 | Line 618 | public class CompletableFutureTest exten
618		BiFunction<? super T,? super U,? extends V> a) {
619		return f.thenCombine(g, a);
620		}
621	<	public <T,U> CompletableFuture<U> applyToEither
621	>	public <T> CompletableFuture<Void> runAfterEither
622		(CompletableFuture<T> f,
623	<	CompletionStage<? extends T> g,
624	<	Function<? super T,U> a) {
625	<	return f.applyToEither(g, a);
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,
#	Line 483 | Line 630 | public class CompletableFutureTest exten
630		Consumer<? super T> a) {
631		return f.acceptEither(g, a);
632		}
633	<	public <T> CompletableFuture<Void> runAfterEither
633	>	public <T,U> CompletableFuture<U> applyToEither
634		(CompletableFuture<T> f,
635	<	CompletionStage<?> g,
636	<	java.lang.Runnable a) {
637	<	return f.runAfterEither(g, a);
635	>	CompletionStage<? extends T> g,
636	>	Function<? super T,U> a) {
637	>	return f.applyToEither(g, a);
638	>	}
639	>	},
640	>
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.thenCompose(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.whenComplete(a);
677	>	return f.whenCompleteAsync(a);
678		}
502	–	},
503	–
504	–	//             /** Experimental way to do more testing */
505	–	//         REVERSE_DEFAULT {
506	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
507	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
508	–	//                 return g.runAfterBoth(f, a);
509	–	//             }
510	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
511	–	//                 (CompletableFuture<T> f,
512	–	//                  CompletionStage<? extends U> g,
513	–	//                  BiConsumer<? super T,? super U> a) {
514	–	//                 return DEFAULT.thenAcceptBoth(f, g, a);
515	–	//             }
516	–	//         },
517	–
518	–	DEFAULT_ASYNC {
679		public <T,U> CompletableFuture<Void> runAfterBoth
680		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
681		return f.runAfterBothAsync(g, a);
#	Line 532 | Line 692 | public class CompletableFutureTest exten
692		BiFunction<? super T,? super U,? extends V> a) {
693		return f.thenCombineAsync(g, a);
694		}
695	<	public <T,U> CompletableFuture<U> applyToEither
695	>	public <T> CompletableFuture<Void> runAfterEither
696		(CompletableFuture<T> f,
697	<	CompletionStage<? extends T> g,
698	<	Function<? super T,U> a) {
699	<	return f.applyToEitherAsync(g, a);
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,
#	Line 544 | Line 704 | public class CompletableFutureTest exten
704		Consumer<? super T> a) {
705		return f.acceptEitherAsync(g, a);
706		}
707	<	public <T> CompletableFuture<Void> runAfterEither
707	>	public <T,U> CompletableFuture<U> applyToEither
708		(CompletableFuture<T> f,
709	<	CompletionStage<?> g,
710	<	java.lang.Runnable a) {
711	<	return f.runAfterEitherAsync(g, a);
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);
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);
750	>	return f.whenCompleteAsync(a, new ThreadExecutor());
751		}
563	–	},
564	–
565	–	//         REVERSE_DEFAULT_ASYNC {
566	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
567	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
568	–	//                 return f.runAfterBothAsync(g, a);
569	–	//             }
570	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
571	–	//                 (CompletableFuture<T> f,
572	–	//                  CompletionStage<? extends U> g,
573	–	//                  BiConsumer<? super T,? super U> a) {
574	–	//                 return DEFAULT_ASYNC.thenAcceptBoth(f, g, a);
575	–	//             }
576	–	//         },
577	–
578	–	EXECUTOR {
752		public <T,U> CompletableFuture<Void> runAfterBoth
753		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
754		return f.runAfterBothAsync(g, a, new ThreadExecutor());
#	Line 592 | Line 765 | public class CompletableFutureTest exten
765		BiFunction<? super T,? super U,? extends V> a) {
766		return f.thenCombineAsync(g, a, new ThreadExecutor());
767		}
595	–	public <T,U> CompletableFuture<U> applyToEither
596	–	(CompletableFuture<T> f,
597	–	CompletionStage<? extends T> g,
598	–	Function<? super T,U> a) {
599	–	return f.applyToEitherAsync(g, a, new ThreadExecutor());
600	–	}
601	–	public <T> CompletableFuture<Void> acceptEither
602	–	(CompletableFuture<T> f,
603	–	CompletionStage<? extends T> g,
604	–	Consumer<? super T> a) {
605	–	return f.acceptEitherAsync(g, a, new ThreadExecutor());
606	–	}
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,U> CompletableFuture<U> thenCompose
774	>	public <T> CompletableFuture<Void> acceptEither
775		(CompletableFuture<T> f,
776	<	Function<? super T,? extends CompletionStage<U>> a) {
777	<	return f.thenComposeAsync(a, new ThreadExecutor());
776	>	CompletionStage<? extends T> g,
777	>	Consumer<? super T> a) {
778	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
779		}
780	<	public <T> CompletableFuture<T> whenComplete
780	>	public <T,U> CompletableFuture<U> applyToEither
781		(CompletableFuture<T> f,
782	<	BiConsumer<? super T,? super Throwable> a) {
783	<	return f.whenCompleteAsync(a, new ThreadExecutor());
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 a);
808		public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
#	Line 632 | Line 813 | public class CompletableFutureTest exten
813		(CompletableFuture<T> f,
814		CompletionStage<? extends U> g,
815		BiFunction<? super T,? super U,? extends V> a);
635	–	public abstract <T,U> CompletableFuture<U> applyToEither
636	–	(CompletableFuture<T> f,
637	–	CompletionStage<? extends T> g,
638	–	Function<? super T,U> a);
639	–	public abstract <T> CompletableFuture<Void> acceptEither
640	–	(CompletableFuture<T> f,
641	–	CompletionStage<? extends T> g,
642	–	Consumer<? super T> a);
816		public abstract <T> CompletableFuture<Void> runAfterEither
817		(CompletableFuture<T> f,
818		CompletionStage<?> g,
819		java.lang.Runnable a);
820	<	public abstract <T,U> CompletableFuture<U> thenCompose
820	>	public abstract <T> CompletableFuture<Void> acceptEither
821		(CompletableFuture<T> f,
822	<	Function<? super T,? extends CompletionStage<U>> a);
823	<	public abstract <T> CompletableFuture<T> whenComplete
822	>	CompletionStage<? extends T> g,
823	>	Consumer<? super T> a);
824	>	public abstract <T,U> CompletableFuture<U> applyToEither
825		(CompletableFuture<T> f,
826	<	BiConsumer<? super T,? super Throwable> a);
827	<
654	<
655	<	}
656	<
657	<	/**
658	<	* exceptionally action completes with function value on source
659	<	* exception; otherwise with source value
660	<	*/
661	<	public void testExceptionally() {
662	<	CompletableFuture<Integer> f = new CompletableFuture<>();
663	<	ExceptionToInteger r = new ExceptionToInteger();
664	<	CompletableFuture<Integer> g = f.exceptionally(r);
665	<	f.completeExceptionally(new CFException());
666	<	checkCompletedNormally(g, three);
667	<
668	<	f = new CompletableFuture<>();
669	<	r = new ExceptionToInteger();
670	<	g = f.exceptionally(r);
671	<	f.complete(one);
672	<	checkCompletedNormally(g, one);
673	<	}
674	<
675	<	/**
676	<	* handle action completes normally with function value on either
677	<	* normal or exceptional completion of source
678	<	*/
679	<	public void testHandle() {
680	<	CompletableFuture<Integer> f, g;
681	<	IntegerHandler r;
682	<
683	<	f = new CompletableFuture<>();
684	<	f.completeExceptionally(new CFException());
685	<	g = f.handle(r = new IntegerHandler());
686	<	assertTrue(r.ran);
687	<	checkCompletedNormally(g, three);
688	<
689	<	f = new CompletableFuture<>();
690	<	g = f.handle(r = new IntegerHandler());
691	<	assertFalse(r.ran);
692	<	f.completeExceptionally(new CFException());
693	<	checkCompletedNormally(g, three);
694	<	assertTrue(r.ran);
695	<
696	<	f = new CompletableFuture<>();
697	<	f.complete(one);
698	<	g = f.handle(r = new IntegerHandler());
699	<	assertTrue(r.ran);
700	<	checkCompletedNormally(g, two);
701	<
702	<	f = new CompletableFuture<>();
703	<	g = f.handle(r = new IntegerHandler());
704	<	assertFalse(r.ran);
705	<	f.complete(one);
706	<	assertTrue(r.ran);
707	<	checkCompletedNormally(g, two);
708	<	}
709	<
710	<	/**
711	<	* runAsync completes after running Runnable
712	<	*/
713	<	public void testRunAsync() {
714	<	Noop r = new Noop();
715	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
716	<	assertNull(f.join());
717	<	assertTrue(r.ran);
718	<	checkCompletedNormally(f, null);
719	<	}
720	<
721	<	/**
722	<	* runAsync with executor completes after running Runnable
723	<	*/
724	<	public void testRunAsync2() {
725	<	Noop r = new Noop();
726	<	ThreadExecutor exec = new ThreadExecutor();
727	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
728	<	assertNull(f.join());
729	<	assertTrue(r.ran);
730	<	checkCompletedNormally(f, null);
731	<	assertEquals(1, exec.count.get());
732	<	}
733	<
734	<	/**
735	<	* failing runAsync completes exceptionally after running Runnable
736	<	*/
737	<	public void testRunAsync3() {
738	<	FailingNoop r = new FailingNoop();
739	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
740	<	checkCompletedWithWrappedCFException(f);
741	<	assertTrue(r.ran);
742	<	}
743	<
744	<	/**
745	<	* supplyAsync completes with result of supplier
746	<	*/
747	<	public void testSupplyAsync() {
748	<	CompletableFuture<Integer> f;
749	<	f = CompletableFuture.supplyAsync(supplyOne);
750	<	assertEquals(f.join(), one);
751	<	checkCompletedNormally(f, one);
752	<	}
753	<
754	<	/**
755	<	* supplyAsync with executor completes with result of supplier
756	<	*/
757	<	public void testSupplyAsync2() {
758	<	CompletableFuture<Integer> f;
759	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
760	<	assertEquals(f.join(), one);
761	<	checkCompletedNormally(f, one);
762	<	}
763	<
764	<	/**
765	<	* Failing supplyAsync completes exceptionally
766	<	*/
767	<	public void testSupplyAsync3() {
768	<	FailingSupplier r = new FailingSupplier();
769	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
770	<	checkCompletedWithWrappedCFException(f);
771	<	assertTrue(r.ran);
772	<	}
773	<
774	<	// seq completion methods
775	<
776	<	/**
777	<	* thenRun result completes normally after normal completion of source
778	<	*/
779	<	public void testThenRun() {
780	<	CompletableFuture<Integer> f;
781	<	CompletableFuture<Void> g;
782	<	Noop r;
783	<
784	<	f = new CompletableFuture<>();
785	<	g = f.thenRun(r = new Noop());
786	<	f.complete(null);
787	<	checkCompletedNormally(g, null);
788	<	assertTrue(r.ran);
789	<
790	<	f = new CompletableFuture<>();
791	<	f.complete(null);
792	<	g = f.thenRun(r = new Noop());
793	<	checkCompletedNormally(g, null);
794	<	assertTrue(r.ran);
826	>	CompletionStage<? extends T> g,
827	>	Function<? super T,U> a);
828		}
829
830		/**
831	<	* thenRun result completes exceptionally after exceptional
832	<	* completion of source
831	>	* exceptionally action is not invoked when source completes
832	>	* normally, and source result is propagated
833		*/
834	<	public void testThenRun2() {
835	<	CompletableFuture<Integer> f;
836	<	CompletableFuture<Void> g;
837	<	Noop r;
838	<
839	<	f = new CompletableFuture<>();
840	<	g = f.thenRun(r = new Noop());
841	<	f.completeExceptionally(new CFException());
842	<	checkCompletedWithWrappedCFException(g);
843	<	assertFalse(r.ran);
834	>	public void testExceptionally_normalCompletion() {
835	>	for (boolean createIncomplete : new boolean[] { true, false })
836	>	for (Integer v1 : new Integer[] { 1, null })
837	>	{
838	>	final AtomicInteger a = new AtomicInteger(0);
839	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
840	>	if (!createIncomplete) assertTrue(f.complete(v1));
841	>	final CompletableFuture<Integer> g = f.exceptionally
842	>	((Throwable t) -> {
843	>	a.getAndIncrement();
844	>	threadFail("should not be called");
845	>	return null;            // unreached
846	>	});
847	>	if (createIncomplete) assertTrue(f.complete(v1));
848
849	<	f = new CompletableFuture<>();
850	<	f.completeExceptionally(new CFException());
851	<	g = f.thenRun(r = new Noop());
852	<	checkCompletedWithWrappedCFException(g);
816	<	assertFalse(r.ran);
817	<	}
849	>	checkCompletedNormally(g, v1);
850	>	checkCompletedNormally(f, v1);
851	>	assertEquals(0, a.get());
852	>	}}
853
854		/**
855	<	* thenRun result completes exceptionally if action does
855	>	* exceptionally action completes with function value on source
856	>	* exception
857		*/
858	<	public void testThenRun3() {
859	<	CompletableFuture<Integer> f;
860	<	CompletableFuture<Void> g;
861	<	FailingNoop r;
862	<
863	<	f = new CompletableFuture<>();
864	<	g = f.thenRun(r = new FailingNoop());
865	<	f.complete(null);
866	<	checkCompletedWithWrappedCFException(g);
858	>	public void testExceptionally_exceptionalCompletion() {
859	>	for (boolean createIncomplete : new boolean[] { true, false })
860	>	for (Integer v1 : new Integer[] { 1, null })
861	>	{
862	>	final AtomicInteger a = new AtomicInteger(0);
863	>	final CFException ex = new CFException();
864	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
865	>	if (!createIncomplete) f.completeExceptionally(ex);
866	>	final CompletableFuture<Integer> g = f.exceptionally
867	>	((Throwable t) -> {
868	>	ExecutionMode.SYNC.checkExecutionMode();
869	>	threadAssertSame(t, ex);
870	>	a.getAndIncrement();
871	>	return v1;
872	>	});
873	>	if (createIncomplete) f.completeExceptionally(ex);
874
875	<	f = new CompletableFuture<>();
876	<	f.complete(null);
877	<	g = f.thenRun(r = new FailingNoop());
835	<	checkCompletedWithWrappedCFException(g);
836	<	}
875	>	checkCompletedNormally(g, v1);
876	>	assertEquals(1, a.get());
877	>	}}
878
879		/**
880	<	* thenRun result completes exceptionally if source cancelled
880	>	* If an "exceptionally action" throws an exception, it completes
881	>	* exceptionally with that exception
882		*/
883	<	public void testThenRun4() {
884	<	CompletableFuture<Integer> f;
885	<	CompletableFuture<Void> g;
886	<	Noop r;
887	<
888	<	f = new CompletableFuture<>();
889	<	g = f.thenRun(r = new Noop());
890	<	assertTrue(f.cancel(true));
891	<	checkCompletedWithWrappedCancellationException(g);
892	<
893	<	f = new CompletableFuture<>();
894	<	assertTrue(f.cancel(true));
895	<	g = f.thenRun(r = new Noop());
896	<	checkCompletedWithWrappedCancellationException(g);
897	<	}
883	>	public void testExceptionally_exceptionalCompletionActionFailed() {
884	>	for (boolean createIncomplete : new boolean[] { true, false })
885	>	{
886	>	final AtomicInteger a = new AtomicInteger(0);
887	>	final CFException ex1 = new CFException();
888	>	final CFException ex2 = new CFException();
889	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
890	>	if (!createIncomplete) f.completeExceptionally(ex1);
891	>	final CompletableFuture<Integer> g = f.exceptionally
892	>	((Throwable t) -> {
893	>	ExecutionMode.SYNC.checkExecutionMode();
894	>	threadAssertSame(t, ex1);
895	>	a.getAndIncrement();
896	>	throw ex2;
897	>	});
898	>	if (createIncomplete) f.completeExceptionally(ex1);
899
900	<	/**
901	<	* thenApply result completes normally after normal completion of source
902	<	*/
903	<	public void testThenApply() {
861	<	CompletableFuture<Integer> f = new CompletableFuture<>();
862	<	CompletableFuture<Integer> g = f.thenApply(inc);
863	<	f.complete(one);
864	<	checkCompletedNormally(g, two);
865	<	}
900	>	checkCompletedWithWrappedException(g, ex2);
901	>	checkCompletedExceptionally(f, ex1);
902	>	assertEquals(1, a.get());
903	>	}}
904
905		/**
906	<	* thenApply result completes exceptionally after exceptional
907	<	* completion of source
870	<	*/
871	<	public void testThenApply2() {
872	<	CompletableFuture<Integer> f = new CompletableFuture<>();
873	<	CompletableFuture<Integer> g = f.thenApply(inc);
874	<	f.completeExceptionally(new CFException());
875	<	checkCompletedWithWrappedCFException(g);
876	<	}
877	<
878	<	/**
879	<	* thenApply result completes exceptionally if action does
906	>	* whenComplete action executes on normal completion, propagating
907	>	* source result.
908		*/
909	<	public void testThenApply3() {
910	<	CompletableFuture<Integer> f = new CompletableFuture<>();
911	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
912	<	f.complete(one);
913	<	checkCompletedWithWrappedCFException(g);
914	<	}
909	>	public void testWhenComplete_normalCompletion() {
910	>	for (ExecutionMode m : ExecutionMode.values())
911	>	for (boolean createIncomplete : new boolean[] { true, false })
912	>	for (Integer v1 : new Integer[] { 1, null })
913	>	{
914	>	final AtomicInteger a = new AtomicInteger(0);
915	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
916	>	if (!createIncomplete) assertTrue(f.complete(v1));
917	>	final CompletableFuture<Integer> g = m.whenComplete
918	>	(f,
919	>	(Integer result, Throwable t) -> {
920	>	m.checkExecutionMode();
921	>	threadAssertSame(result, v1);
922	>	threadAssertNull(t);
923	>	a.getAndIncrement();
924	>	});
925	>	if (createIncomplete) assertTrue(f.complete(v1));
926
927	<	/**
928	<	* thenApply result completes exceptionally if source cancelled
929	<	*/
930	<	public void testThenApply4() {
892	<	CompletableFuture<Integer> f = new CompletableFuture<>();
893	<	CompletableFuture<Integer> g = f.thenApply(inc);
894	<	assertTrue(f.cancel(true));
895	<	checkCompletedWithWrappedCancellationException(g);
896	<	}
927	>	checkCompletedNormally(g, v1);
928	>	checkCompletedNormally(f, v1);
929	>	assertEquals(1, a.get());
930	>	}}
931
932		/**
933	<	* thenAccept result completes normally after normal completion of source
933	>	* whenComplete action executes on exceptional completion, propagating
934	>	* source result.
935		*/
936	<	public void testThenAccept() {
937	<	CompletableFuture<Integer> f = new CompletableFuture<>();
938	<	IncAction r = new IncAction();
939	<	CompletableFuture<Void> g = f.thenAccept(r);
940	<	f.complete(one);
941	<	checkCompletedNormally(g, null);
942	<	assertEquals(r.value, (Integer) 2);
943	<	}
936	>	public void testWhenComplete_exceptionalCompletion() {
937	>	for (ExecutionMode m : ExecutionMode.values())
938	>	for (boolean createIncomplete : new boolean[] { true, false })
939	>	{
940	>	final AtomicInteger a = new AtomicInteger(0);
941	>	final CFException ex = new CFException();
942	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
943	>	if (!createIncomplete) f.completeExceptionally(ex);
944	>	final CompletableFuture<Integer> g = m.whenComplete
945	>	(f,
946	>	(Integer result, Throwable t) -> {
947	>	m.checkExecutionMode();
948	>	threadAssertNull(result);
949	>	threadAssertSame(t, ex);
950	>	a.getAndIncrement();
951	>	});
952	>	if (createIncomplete) f.completeExceptionally(ex);
953
954	<	/**
955	<	* thenAccept result completes exceptionally after exceptional
956	<	* completion of source
957	<	*/
914	<	public void testThenAccept2() {
915	<	CompletableFuture<Integer> f = new CompletableFuture<>();
916	<	IncAction r = new IncAction();
917	<	CompletableFuture<Void> g = f.thenAccept(r);
918	<	f.completeExceptionally(new CFException());
919	<	checkCompletedWithWrappedCFException(g);
920	<	}
954	>	checkCompletedWithWrappedException(g, ex);
955	>	checkCompletedExceptionally(f, ex);
956	>	assertEquals(1, a.get());
957	>	}}
958
959		/**
960	<	* thenAccept result completes exceptionally if action does
960	>	* whenComplete action executes on cancelled source, propagating
961	>	* CancellationException.
962		*/
963	<	public void testThenAccept3() {
964	<	CompletableFuture<Integer> f = new CompletableFuture<>();
965	<	FailingConsumer r = new FailingConsumer();
966	<	CompletableFuture<Void> g = f.thenAccept(r);
967	<	f.complete(one);
968	<	checkCompletedWithWrappedCFException(g);
969	<	assertTrue(r.ran);
970	<	}
963	>	public void testWhenComplete_sourceCancelled() {
964	>	for (ExecutionMode m : ExecutionMode.values())
965	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
966	>	for (boolean createIncomplete : new boolean[] { true, false })
967	>	{
968	>	final AtomicInteger a = new AtomicInteger(0);
969	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
970	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
971	>	final CompletableFuture<Integer> g = m.whenComplete
972	>	(f,
973	>	(Integer result, Throwable t) -> {
974	>	m.checkExecutionMode();
975	>	threadAssertNull(result);
976	>	threadAssertTrue(t instanceof CancellationException);
977	>	a.getAndIncrement();
978	>	});
979	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
980
934	–	/**
935	–	* thenAccept result completes exceptionally if source cancelled
936	–	*/
937	–	public void testThenAccept4() {
938	–	CompletableFuture<Integer> f = new CompletableFuture<>();
939	–	IncAction r = new IncAction();
940	–	CompletableFuture<Void> g = f.thenAccept(r);
941	–	assertTrue(f.cancel(true));
981		checkCompletedWithWrappedCancellationException(g);
982	<	}
982	>	checkCancelled(f);
983	>	assertEquals(1, a.get());
984	>	}}
985
986		/**
987	<	* thenCombine result completes normally after normal completion
988	<	* of sources
987	>	* If a whenComplete action throws an exception when triggered by
988	>	* a normal completion, it completes exceptionally
989		*/
990	<	public void testThenCombine_normalCompletion1() {
990	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
991	>	for (boolean createIncomplete : new boolean[] { true, false })
992		for (ExecutionMode m : ExecutionMode.values())
993		for (Integer v1 : new Integer[] { 1, null })
994	<	for (Integer v2 : new Integer[] { 2, null }) {
995	<
996	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
955	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
956	<	final SubtractFunction r = new SubtractFunction();
957	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
958	<
959	<	f.complete(v1);
960	<	checkIncomplete(h);
961	<	assertEquals(r.invocationCount, 0);
962	<	g.complete(v2);
963	<
964	<	checkCompletedNormally(h, subtract(v1, v2));
965	<	checkCompletedNormally(f, v1);
966	<	checkCompletedNormally(g, v2);
967	<	assertEquals(r.invocationCount, 1);
968	<	}
969	<	}
970	<
971	<	public void testThenCombine_normalCompletion2() {
972	<	for (ExecutionMode m : ExecutionMode.values())
973	<	for (Integer v1 : new Integer[] { 1, null })
974	<	for (Integer v2 : new Integer[] { 2, null }) {
975	<
994	>	{
995	>	final AtomicInteger a = new AtomicInteger(0);
996	>	final CFException ex = new CFException();
997		final CompletableFuture<Integer> f = new CompletableFuture<>();
998	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
999	<	final SubtractFunction r = new SubtractFunction();
1000	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1001	<
1002	<	g.complete(v2);
1003	<	checkIncomplete(h);
1004	<	assertEquals(r.invocationCount, 0);
1005	<	f.complete(v1);
998	>	if (!createIncomplete) assertTrue(f.complete(v1));
999	>	final CompletableFuture<Integer> g = m.whenComplete
1000	>	(f,
1001	>	(Integer result, Throwable t) -> {
1002	>	m.checkExecutionMode();
1003	>	threadAssertSame(result, v1);
1004	>	threadAssertNull(t);
1005	>	a.getAndIncrement();
1006	>	throw ex;
1007	>	});
1008	>	if (createIncomplete) assertTrue(f.complete(v1));
1009
1010	<	checkCompletedNormally(h, subtract(v1, v2));
1010	>	checkCompletedWithWrappedException(g, ex);
1011		checkCompletedNormally(f, v1);
1012	<	checkCompletedNormally(g, v2);
1013	<	assertEquals(r.invocationCount, 1);
990	<	}
991	<	}
1012	>	assertEquals(1, a.get());
1013	>	}}
1014
1015	<	public void testThenCombine_normalCompletion3() {
1015	>	/**
1016	>	* If a whenComplete action throws an exception when triggered by
1017	>	* a source completion that also throws an exception, the source
1018	>	* exception takes precedence (unlike handle)
1019	>	*/
1020	>	public void testWhenComplete_sourceFailedActionFailed() {
1021	>	for (boolean createIncomplete : new boolean[] { true, false })
1022		for (ExecutionMode m : ExecutionMode.values())
1023	<	for (Integer v1 : new Integer[] { 1, null })
1024	<	for (Integer v2 : new Integer[] { 2, null }) {
1025	<
1023	>	{
1024	>	final AtomicInteger a = new AtomicInteger(0);
1025	>	final CFException ex1 = new CFException();
1026	>	final CFException ex2 = new CFException();
1027		final CompletableFuture<Integer> f = new CompletableFuture<>();
999	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1000	–	final SubtractFunction r = new SubtractFunction();
1028
1029	<	g.complete(v2);
1030	<	f.complete(v1);
1031	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1029	>	if (!createIncomplete) f.completeExceptionally(ex1);
1030	>	final CompletableFuture<Integer> g = m.whenComplete
1031	>	(f,
1032	>	(Integer result, Throwable t) -> {
1033	>	m.checkExecutionMode();
1034	>	threadAssertSame(t, ex1);
1035	>	threadAssertNull(result);
1036	>	a.getAndIncrement();
1037	>	throw ex2;
1038	>	});
1039	>	if (createIncomplete) f.completeExceptionally(ex1);
1040
1041	<	checkCompletedNormally(h, subtract(v1, v2));
1042	<	checkCompletedNormally(f, v1);
1043	<	checkCompletedNormally(g, v2);
1044	<	assertEquals(r.invocationCount, 1);
1045	<	}
1046	<	}
1041	>	checkCompletedWithWrappedException(g, ex1);
1042	>	checkCompletedExceptionally(f, ex1);
1043	>	assertEquals(1, ex1.getSuppressed().length);
1044	>	assertSame(ex2, ex1.getSuppressed()[0]);
1045	>	assertEquals(1, a.get());
1046	>	}}
1047
1048	<	public void testThenCombine_normalCompletion4() {
1048	>	/**
1049	>	* handle action completes normally with function value on normal
1050	>	* completion of source
1051	>	*/
1052	>	public void testHandle_normalCompletion() {
1053		for (ExecutionMode m : ExecutionMode.values())
1054	+	for (boolean createIncomplete : new boolean[] { true, false })
1055		for (Integer v1 : new Integer[] { 1, null })
1056	<	for (Integer v2 : new Integer[] { 2, null }) {
1017	<
1056	>	{
1057		final CompletableFuture<Integer> f = new CompletableFuture<>();
1058	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1059	<	final SubtractFunction r = new SubtractFunction();
1060	<
1061	<	f.complete(v1);
1062	<	g.complete(v2);
1063	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1058	>	final AtomicInteger a = new AtomicInteger(0);
1059	>	if (!createIncomplete) assertTrue(f.complete(v1));
1060	>	final CompletableFuture<Integer> g = m.handle
1061	>	(f,
1062	>	(Integer result, Throwable t) -> {
1063	>	m.checkExecutionMode();
1064	>	threadAssertSame(result, v1);
1065	>	threadAssertNull(t);
1066	>	a.getAndIncrement();
1067	>	return inc(v1);
1068	>	});
1069	>	if (createIncomplete) assertTrue(f.complete(v1));
1070
1071	<	checkCompletedNormally(h, subtract(v1, v2));
1071	>	checkCompletedNormally(g, inc(v1));
1072		checkCompletedNormally(f, v1);
1073	<	checkCompletedNormally(g, v2);
1074	<	assertEquals(r.invocationCount, 1);
1030	<	}
1031	<	}
1073	>	assertEquals(1, a.get());
1074	>	}}
1075
1076		/**
1077	<	* thenCombine result completes exceptionally after exceptional
1078	<	* completion of either source
1077	>	* handle action completes normally with function value on
1078	>	* exceptional completion of source
1079		*/
1080	<	public void testThenCombine_exceptionalCompletion1() {
1080	>	public void testHandle_exceptionalCompletion() {
1081		for (ExecutionMode m : ExecutionMode.values())
1082	<	for (Integer v1 : new Integer[] { 1, null }) {
1083	<
1082	>	for (boolean createIncomplete : new boolean[] { true, false })
1083	>	for (Integer v1 : new Integer[] { 1, null })
1084	>	{
1085		final CompletableFuture<Integer> f = new CompletableFuture<>();
1086	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1043	<	final SubtractFunction r = new SubtractFunction();
1044	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1086	>	final AtomicInteger a = new AtomicInteger(0);
1087		final CFException ex = new CFException();
1088	+	if (!createIncomplete) f.completeExceptionally(ex);
1089	+	final CompletableFuture<Integer> g = m.handle
1090	+	(f,
1091	+	(Integer result, Throwable t) -> {
1092	+	m.checkExecutionMode();
1093	+	threadAssertNull(result);
1094	+	threadAssertSame(t, ex);
1095	+	a.getAndIncrement();
1096	+	return v1;
1097	+	});
1098	+	if (createIncomplete) f.completeExceptionally(ex);
1099
1047	–	f.completeExceptionally(ex);
1048	–	checkIncomplete(h);
1049	–	g.complete(v1);
1050	–
1051	–	checkCompletedWithWrappedCFException(h, ex);
1052	–	checkCompletedWithWrappedCFException(f, ex);
1053	–	assertEquals(r.invocationCount, 0);
1100		checkCompletedNormally(g, v1);
1101	<	}
1102	<	}
1101	>	checkCompletedExceptionally(f, ex);
1102	>	assertEquals(1, a.get());
1103	>	}}
1104
1105	<	public void testThenCombine_exceptionalCompletion2() {
1105	>	/**
1106	>	* handle action completes normally with function value on
1107	>	* cancelled source
1108	>	*/
1109	>	public void testHandle_sourceCancelled() {
1110		for (ExecutionMode m : ExecutionMode.values())
1111	<	for (Integer v1 : new Integer[] { 1, null }) {
1112	<
1111	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1112	>	for (boolean createIncomplete : new boolean[] { true, false })
1113	>	for (Integer v1 : new Integer[] { 1, null })
1114	>	{
1115		final CompletableFuture<Integer> f = new CompletableFuture<>();
1116	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1117	<	final SubtractFunction r = new SubtractFunction();
1118	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1119	<	final CFException ex = new CFException();
1120	<
1121	<	g.completeExceptionally(ex);
1122	<	checkIncomplete(h);
1123	<	f.complete(v1);
1116	>	final AtomicInteger a = new AtomicInteger(0);
1117	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1118	>	final CompletableFuture<Integer> g = m.handle
1119	>	(f,
1120	>	(Integer result, Throwable t) -> {
1121	>	m.checkExecutionMode();
1122	>	threadAssertNull(result);
1123	>	threadAssertTrue(t instanceof CancellationException);
1124	>	a.getAndIncrement();
1125	>	return v1;
1126	>	});
1127	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1128
1129	<	checkCompletedWithWrappedCFException(h, ex);
1130	<	checkCompletedWithWrappedCFException(g, ex);
1131	<	assertEquals(r.invocationCount, 0);
1132	<	checkCompletedNormally(f, v1);
1076	<	}
1077	<	}
1129	>	checkCompletedNormally(g, v1);
1130	>	checkCancelled(f);
1131	>	assertEquals(1, a.get());
1132	>	}}
1133
1134	<	public void testThenCombine_exceptionalCompletion3() {
1134	>	/**
1135	>	* If a "handle action" throws an exception when triggered by
1136	>	* a normal completion, it completes exceptionally
1137	>	*/
1138	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1139		for (ExecutionMode m : ExecutionMode.values())
1140	<	for (Integer v1 : new Integer[] { 1, null }) {
1141	<
1140	>	for (boolean createIncomplete : new boolean[] { true, false })
1141	>	for (Integer v1 : new Integer[] { 1, null })
1142	>	{
1143		final CompletableFuture<Integer> f = new CompletableFuture<>();
1144	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1085	<	final SubtractFunction r = new SubtractFunction();
1144	>	final AtomicInteger a = new AtomicInteger(0);
1145		final CFException ex = new CFException();
1146	+	if (!createIncomplete) assertTrue(f.complete(v1));
1147	+	final CompletableFuture<Integer> g = m.handle
1148	+	(f,
1149	+	(Integer result, Throwable t) -> {
1150	+	m.checkExecutionMode();
1151	+	threadAssertSame(result, v1);
1152	+	threadAssertNull(t);
1153	+	a.getAndIncrement();
1154	+	throw ex;
1155	+	});
1156	+	if (createIncomplete) assertTrue(f.complete(v1));
1157
1158	<	g.completeExceptionally(ex);
1089	<	f.complete(v1);
1090	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1091	<
1092	<	checkCompletedWithWrappedCFException(h, ex);
1093	<	checkCompletedWithWrappedCFException(g, ex);
1094	<	assertEquals(r.invocationCount, 0);
1158	>	checkCompletedWithWrappedException(g, ex);
1159		checkCompletedNormally(f, v1);
1160	<	}
1161	<	}
1160	>	assertEquals(1, a.get());
1161	>	}}
1162
1163	<	public void testThenCombine_exceptionalCompletion4() {
1163	>	/**
1164	>	* If a "handle action" throws an exception when triggered by
1165	>	* a source completion that also throws an exception, the action
1166	>	* exception takes precedence (unlike whenComplete)
1167	>	*/
1168	>	public void testHandle_sourceFailedActionFailed() {
1169	>	for (boolean createIncomplete : new boolean[] { true, false })
1170		for (ExecutionMode m : ExecutionMode.values())
1171	<	for (Integer v1 : new Integer[] { 1, null }) {
1172	<
1171	>	{
1172	>	final AtomicInteger a = new AtomicInteger(0);
1173	>	final CFException ex1 = new CFException();
1174	>	final CFException ex2 = new CFException();
1175		final CompletableFuture<Integer> f = new CompletableFuture<>();
1104	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1105	–	final SubtractFunction r = new SubtractFunction();
1106	–	final CFException ex = new CFException();
1176
1177	<	f.completeExceptionally(ex);
1178	<	g.complete(v1);
1179	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1177	>	if (!createIncomplete) f.completeExceptionally(ex1);
1178	>	final CompletableFuture<Integer> g = m.handle
1179	>	(f,
1180	>	(Integer result, Throwable t) -> {
1181	>	m.checkExecutionMode();
1182	>	threadAssertNull(result);
1183	>	threadAssertSame(ex1, t);
1184	>	a.getAndIncrement();
1185	>	throw ex2;
1186	>	});
1187	>	if (createIncomplete) f.completeExceptionally(ex1);
1188
1189	<	checkCompletedWithWrappedCFException(h, ex);
1190	<	checkCompletedWithWrappedCFException(f, ex);
1191	<	assertEquals(r.invocationCount, 0);
1192	<	checkCompletedNormally(g, v1);
1116	<	}
1117	<	}
1189	>	checkCompletedWithWrappedException(g, ex2);
1190	>	checkCompletedExceptionally(f, ex1);
1191	>	assertEquals(1, a.get());
1192	>	}}
1193
1194		/**
1195	<	* thenCombine result completes exceptionally if action does
1195	>	* runAsync completes after running Runnable
1196		*/
1197	<	public void testThenCombine_actionFailed1() {
1198	<	for (ExecutionMode m : ExecutionMode.values())
1199	<	for (Integer v1 : new Integer[] { 1, null })
1200	<	for (Integer v2 : new Integer[] { 2, null }) {
1201	<
1202	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1203	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1204	<	final FailingBiFunction r = new FailingBiFunction();
1205	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1206	<
1207	<	f.complete(v1);
1208	<	checkIncomplete(h);
1209	<	g.complete(v2);
1197	>	public void testRunAsync_normalCompletion() {
1198	>	ExecutionMode[] executionModes = {
1199	>	ExecutionMode.ASYNC,
1200	>	ExecutionMode.EXECUTOR,
1201	>	};
1202	>	for (ExecutionMode m : executionModes)
1203	>	{
1204	>	final Noop r = new Noop(m);
1205	>	final CompletableFuture<Void> f = m.runAsync(r);
1206	>	assertNull(f.join());
1207	>	checkCompletedNormally(f, null);
1208	>	r.assertInvoked();
1209	>	}}
1210
1211	<	checkCompletedWithWrappedCFException(h);
1212	<	checkCompletedNormally(f, v1);
1213	<	checkCompletedNormally(g, v2);
1214	<	}
1215	<	}
1211	>	/**
1212	>	* failing runAsync completes exceptionally after running Runnable
1213	>	*/
1214	>	public void testRunAsync_exceptionalCompletion() {
1215	>	ExecutionMode[] executionModes = {
1216	>	ExecutionMode.ASYNC,
1217	>	ExecutionMode.EXECUTOR,
1218	>	};
1219	>	for (ExecutionMode m : executionModes)
1220	>	{
1221	>	final FailingRunnable r = new FailingRunnable(m);
1222	>	final CompletableFuture<Void> f = m.runAsync(r);
1223	>	checkCompletedWithWrappedCFException(f);
1224	>	r.assertInvoked();
1225	>	}}
1226
1227	<	public void testThenCombine_actionFailed2() {
1228	<	for (ExecutionMode m : ExecutionMode.values())
1227	>	/**
1228	>	* supplyAsync completes with result of supplier
1229	>	*/
1230	>	public void testSupplyAsync_normalCompletion() {
1231	>	ExecutionMode[] executionModes = {
1232	>	ExecutionMode.ASYNC,
1233	>	ExecutionMode.EXECUTOR,
1234	>	};
1235	>	for (ExecutionMode m : executionModes)
1236		for (Integer v1 : new Integer[] { 1, null })
1237	<	for (Integer v2 : new Integer[] { 2, null }) {
1238	<
1239	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1240	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1149	<	final FailingBiFunction r = new FailingBiFunction();
1150	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1151	<
1152	<	g.complete(v2);
1153	<	checkIncomplete(h);
1154	<	f.complete(v1);
1155	<
1156	<	checkCompletedWithWrappedCFException(h);
1237	>	{
1238	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1239	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1240	>	assertSame(v1, f.join());
1241		checkCompletedNormally(f, v1);
1242	<	checkCompletedNormally(g, v2);
1243	<	}
1160	<	}
1242	>	r.assertInvoked();
1243	>	}}
1244
1245		/**
1246	<	* thenCombine result completes exceptionally if either source cancelled
1246	>	* Failing supplyAsync completes exceptionally
1247		*/
1248	<	public void testThenCombine_sourceCancelled1() {
1249	<	for (ExecutionMode m : ExecutionMode.values())
1250	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1251	<	for (Integer v1 : new Integer[] { 1, null }) {
1252	<
1253	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1254	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1255	<	final SubtractFunction r = new SubtractFunction();
1256	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1257	<
1258	<	assertTrue(f.cancel(mayInterruptIfRunning));
1259	<	checkIncomplete(h);
1177	<	g.complete(v1);
1248	>	public void testSupplyAsync_exceptionalCompletion() {
1249	>	ExecutionMode[] executionModes = {
1250	>	ExecutionMode.ASYNC,
1251	>	ExecutionMode.EXECUTOR,
1252	>	};
1253	>	for (ExecutionMode m : executionModes)
1254	>	{
1255	>	FailingSupplier r = new FailingSupplier(m);
1256	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1257	>	checkCompletedWithWrappedCFException(f);
1258	>	r.assertInvoked();
1259	>	}}
1260
1261	<	checkCompletedWithWrappedCancellationException(h);
1180	<	checkCancelled(f);
1181	<	assertEquals(r.invocationCount, 0);
1182	<	checkCompletedNormally(g, v1);
1183	<	}
1184	<	}
1261	>	// seq completion methods
1262
1263	<	public void testThenCombine_sourceCancelled2() {
1263	>	/**
1264	>	* thenRun result completes normally after normal completion of source
1265	>	*/
1266	>	public void testThenRun_normalCompletion() {
1267		for (ExecutionMode m : ExecutionMode.values())
1268	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1269	<	for (Integer v1 : new Integer[] { 1, null }) {
1190	<
1268	>	for (Integer v1 : new Integer[] { 1, null })
1269	>	{
1270		final CompletableFuture<Integer> f = new CompletableFuture<>();
1271	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1272	<	final SubtractFunction r = new SubtractFunction();
1194	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1195	<
1196	<	assertTrue(g.cancel(mayInterruptIfRunning));
1197	<	checkIncomplete(h);
1198	<	f.complete(v1);
1271	>	final Noop[] rs = new Noop[6];
1272	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1273
1274	<	checkCompletedWithWrappedCancellationException(h);
1275	<	checkCancelled(g);
1276	<	assertEquals(r.invocationCount, 0);
1274	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1275	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1276	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1277	>	checkIncomplete(h0);
1278	>	checkIncomplete(h1);
1279	>	checkIncomplete(h2);
1280	>	assertTrue(f.complete(v1));
1281	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1282	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1283	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1284	>
1285	>	checkCompletedNormally(h0, null);
1286	>	checkCompletedNormally(h1, null);
1287	>	checkCompletedNormally(h2, null);
1288	>	checkCompletedNormally(h3, null);
1289	>	checkCompletedNormally(h4, null);
1290	>	checkCompletedNormally(h5, null);
1291		checkCompletedNormally(f, v1);
1292	<	}
1293	<	}
1292	>	for (Noop r : rs) r.assertInvoked();
1293	>	}}
1294
1295	<	public void testThenCombine_sourceCancelled3() {
1295	>	/**
1296	>	* thenRun result completes exceptionally after exceptional
1297	>	* completion of source
1298	>	*/
1299	>	public void testThenRun_exceptionalCompletion() {
1300		for (ExecutionMode m : ExecutionMode.values())
1301	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1302	<	for (Integer v1 : new Integer[] { 1, null }) {
1211	<
1301	>	{
1302	>	final CFException ex = new CFException();
1303		final CompletableFuture<Integer> f = new CompletableFuture<>();
1304	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1305	<	final SubtractFunction r = new SubtractFunction();
1304	>	final Noop[] rs = new Noop[6];
1305	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1306
1307	<	assertTrue(g.cancel(mayInterruptIfRunning));
1308	<	f.complete(v1);
1309	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1307	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1308	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1309	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1310	>	checkIncomplete(h0);
1311	>	checkIncomplete(h1);
1312	>	checkIncomplete(h2);
1313	>	assertTrue(f.completeExceptionally(ex));
1314	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1315	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1316	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1317	>
1318	>	checkCompletedWithWrappedException(h0, ex);
1319	>	checkCompletedWithWrappedException(h1, ex);
1320	>	checkCompletedWithWrappedException(h2, ex);
1321	>	checkCompletedWithWrappedException(h3, ex);
1322	>	checkCompletedWithWrappedException(h4, ex);
1323	>	checkCompletedWithWrappedException(h5, ex);
1324	>	checkCompletedExceptionally(f, ex);
1325	>	for (Noop r : rs) r.assertNotInvoked();
1326	>	}}
1327
1328	<	checkCompletedWithWrappedCancellationException(h);
1329	<	checkCancelled(g);
1330	<	assertEquals(r.invocationCount, 0);
1331	<	checkCompletedNormally(f, v1);
1224	<	}
1225	<	}
1226	<
1227	<	public void testThenCombine_sourceCancelled4() {
1328	>	/**
1329	>	* thenRun result completes exceptionally if source cancelled
1330	>	*/
1331	>	public void testThenRun_sourceCancelled() {
1332		for (ExecutionMode m : ExecutionMode.values())
1333		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1334	<	for (Integer v1 : new Integer[] { 1, null }) {
1231	<
1334	>	{
1335		final CompletableFuture<Integer> f = new CompletableFuture<>();
1336	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1337	<	final SubtractFunction r = new SubtractFunction();
1336	>	final Noop[] rs = new Noop[6];
1337	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1338
1339	+	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1340	+	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1341	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1342	+	checkIncomplete(h0);
1343	+	checkIncomplete(h1);
1344	+	checkIncomplete(h2);
1345		assertTrue(f.cancel(mayInterruptIfRunning));
1346	<	g.complete(v1);
1347	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1348	<
1349	<	checkCompletedWithWrappedCancellationException(h);
1346	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1347	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1348	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1349	>
1350	>	checkCompletedWithWrappedCancellationException(h0);
1351	>	checkCompletedWithWrappedCancellationException(h1);
1352	>	checkCompletedWithWrappedCancellationException(h2);
1353	>	checkCompletedWithWrappedCancellationException(h3);
1354	>	checkCompletedWithWrappedCancellationException(h4);
1355	>	checkCompletedWithWrappedCancellationException(h5);
1356		checkCancelled(f);
1357	<	assertEquals(r.invocationCount, 0);
1358	<	checkCompletedNormally(g, v1);
1244	<	}
1245	<	}
1357	>	for (Noop r : rs) r.assertNotInvoked();
1358	>	}}
1359
1360		/**
1361	<	* thenAcceptBoth result completes normally after normal
1249	<	* completion of sources
1361	>	* thenRun result completes exceptionally if action does
1362		*/
1363	<	public void testThenAcceptBoth_normalCompletion1() {
1252	<	for (ExecutionMode m : ExecutionMode.values())
1253	<	for (Integer v1 : new Integer[] { 1, null })
1254	<	for (Integer v2 : new Integer[] { 2, null }) {
1255	<
1256	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1257	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1258	<	final SubtractAction r = new SubtractAction();
1259	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1260	<
1261	<	f.complete(v1);
1262	<	checkIncomplete(h);
1263	<	assertFalse(r.ran());
1264	<	g.complete(v2);
1265	<
1266	<	checkCompletedNormally(h, null);
1267	<	assertEquals(r.value, subtract(v1, v2));
1268	<	checkCompletedNormally(f, v1);
1269	<	checkCompletedNormally(g, v2);
1270	<	}
1271	<	}
1272	<
1273	<	public void testThenAcceptBoth_normalCompletion2() {
1363	>	public void testThenRun_actionFailed() {
1364		for (ExecutionMode m : ExecutionMode.values())
1365		for (Integer v1 : new Integer[] { 1, null })
1366	<	for (Integer v2 : new Integer[] { 2, null }) {
1277	<
1366	>	{
1367		final CompletableFuture<Integer> f = new CompletableFuture<>();
1368	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1369	<	final SubtractAction r = new SubtractAction();
1281	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1282	<
1283	<	g.complete(v2);
1284	<	checkIncomplete(h);
1285	<	assertFalse(r.ran());
1286	<	f.complete(v1);
1368	>	final FailingRunnable[] rs = new FailingRunnable[6];
1369	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1370
1371	<	checkCompletedNormally(h, null);
1372	<	assertEquals(r.value, subtract(v1, v2));
1371	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1372	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1373	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1374	>	assertTrue(f.complete(v1));
1375	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1376	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1377	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1378	>
1379	>	checkCompletedWithWrappedCFException(h0);
1380	>	checkCompletedWithWrappedCFException(h1);
1381	>	checkCompletedWithWrappedCFException(h2);
1382	>	checkCompletedWithWrappedCFException(h3);
1383	>	checkCompletedWithWrappedCFException(h4);
1384	>	checkCompletedWithWrappedCFException(h5);
1385		checkCompletedNormally(f, v1);
1386	<	checkCompletedNormally(g, v2);
1292	<	}
1293	<	}
1294	<
1295	<	public void testThenAcceptBoth_normalCompletion3() {
1296	<	for (ExecutionMode m : ExecutionMode.values())
1297	<	for (Integer v1 : new Integer[] { 1, null })
1298	<	for (Integer v2 : new Integer[] { 2, null }) {
1299	<
1300	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1301	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1302	<	final SubtractAction r = new SubtractAction();
1386	>	}}
1387
1388	<	g.complete(v2);
1389	<	f.complete(v1);
1390	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1391	<
1308	<	checkCompletedNormally(h, null);
1309	<	assertEquals(r.value, subtract(v1, v2));
1310	<	checkCompletedNormally(f, v1);
1311	<	checkCompletedNormally(g, v2);
1312	<	}
1313	<	}
1314	<
1315	<	public void testThenAcceptBoth_normalCompletion4() {
1388	>	/**
1389	>	* thenApply result completes normally after normal completion of source
1390	>	*/
1391	>	public void testThenApply_normalCompletion() {
1392		for (ExecutionMode m : ExecutionMode.values())
1393		for (Integer v1 : new Integer[] { 1, null })
1394	<	for (Integer v2 : new Integer[] { 2, null }) {
1319	<
1394	>	{
1395		final CompletableFuture<Integer> f = new CompletableFuture<>();
1396	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1397	<	final SubtractAction r = new SubtractAction();
1396	>	final IncFunction[] rs = new IncFunction[4];
1397	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1398
1399	<	f.complete(v1);
1400	<	g.complete(v2);
1401	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1399	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1400	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1401	>	checkIncomplete(h0);
1402	>	checkIncomplete(h1);
1403	>	assertTrue(f.complete(v1));
1404	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1405	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1406
1407	<	checkCompletedNormally(h, null);
1408	<	assertEquals(r.value, subtract(v1, v2));
1407	>	checkCompletedNormally(h0, inc(v1));
1408	>	checkCompletedNormally(h1, inc(v1));
1409	>	checkCompletedNormally(h2, inc(v1));
1410	>	checkCompletedNormally(h3, inc(v1));
1411		checkCompletedNormally(f, v1);
1412	<	checkCompletedNormally(g, v2);
1413	<	}
1333	<	}
1412	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1413	>	}}
1414
1415		/**
1416	<	* thenAcceptBoth result completes exceptionally after exceptional
1417	<	* completion of either source
1416	>	* thenApply result completes exceptionally after exceptional
1417	>	* completion of source
1418		*/
1419	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1419	>	public void testThenApply_exceptionalCompletion() {
1420		for (ExecutionMode m : ExecutionMode.values())
1421	<	for (Integer v1 : new Integer[] { 1, null }) {
1342	<
1343	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1344	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1345	<	final SubtractAction r = new SubtractAction();
1346	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1421	>	{
1422		final CFException ex = new CFException();
1348	–
1349	–	f.completeExceptionally(ex);
1350	–	checkIncomplete(h);
1351	–	g.complete(v1);
1352	–
1353	–	checkCompletedWithWrappedCFException(h, ex);
1354	–	checkCompletedWithWrappedCFException(f, ex);
1355	–	assertEquals(r.invocationCount, 0);
1356	–	checkCompletedNormally(g, v1);
1357	–	}
1358	–	}
1359	–
1360	–	public void testThenAcceptBoth_exceptionalCompletion2() {
1361	–	for (ExecutionMode m : ExecutionMode.values())
1362	–	for (Integer v1 : new Integer[] { 1, null }) {
1363	–
1423		final CompletableFuture<Integer> f = new CompletableFuture<>();
1424	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1425	<	final SubtractAction r = new SubtractAction();
1367	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1368	<	final CFException ex = new CFException();
1369	<
1370	<	g.completeExceptionally(ex);
1371	<	checkIncomplete(h);
1372	<	f.complete(v1);
1424	>	final IncFunction[] rs = new IncFunction[4];
1425	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1426
1427	<	checkCompletedWithWrappedCFException(h, ex);
1428	<	checkCompletedWithWrappedCFException(g, ex);
1429	<	assertEquals(r.invocationCount, 0);
1430	<	checkCompletedNormally(f, v1);
1431	<	}
1432	<	}
1427	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1428	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1429	>	assertTrue(f.completeExceptionally(ex));
1430	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1431	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1432	>
1433	>	checkCompletedWithWrappedException(h0, ex);
1434	>	checkCompletedWithWrappedException(h1, ex);
1435	>	checkCompletedWithWrappedException(h2, ex);
1436	>	checkCompletedWithWrappedException(h3, ex);
1437	>	checkCompletedExceptionally(f, ex);
1438	>	for (IncFunction r : rs) r.assertNotInvoked();
1439	>	}}
1440
1441	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1441	>	/**
1442	>	* thenApply result completes exceptionally if source cancelled
1443	>	*/
1444	>	public void testThenApply_sourceCancelled() {
1445		for (ExecutionMode m : ExecutionMode.values())
1446	<	for (Integer v1 : new Integer[] { 1, null }) {
1447	<
1446	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1447	>	{
1448		final CompletableFuture<Integer> f = new CompletableFuture<>();
1449	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1450	<	final SubtractAction r = new SubtractAction();
1388	<	final CFException ex = new CFException();
1449	>	final IncFunction[] rs = new IncFunction[4];
1450	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1451
1452	<	g.completeExceptionally(ex);
1453	<	f.complete(v1);
1454	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1452	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1453	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1454	>	assertTrue(f.cancel(mayInterruptIfRunning));
1455	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1456	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1457
1458	<	checkCompletedWithWrappedCFException(h, ex);
1459	<	checkCompletedWithWrappedCFException(g, ex);
1460	<	assertEquals(r.invocationCount, 0);
1461	<	checkCompletedNormally(f, v1);
1462	<	}
1463	<	}
1458	>	checkCompletedWithWrappedCancellationException(h0);
1459	>	checkCompletedWithWrappedCancellationException(h1);
1460	>	checkCompletedWithWrappedCancellationException(h2);
1461	>	checkCompletedWithWrappedCancellationException(h3);
1462	>	checkCancelled(f);
1463	>	for (IncFunction r : rs) r.assertNotInvoked();
1464	>	}}
1465
1466	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1466	>	/**
1467	>	* thenApply result completes exceptionally if action does
1468	>	*/
1469	>	public void testThenApply_actionFailed() {
1470		for (ExecutionMode m : ExecutionMode.values())
1471	<	for (Integer v1 : new Integer[] { 1, null }) {
1472	<
1471	>	for (Integer v1 : new Integer[] { 1, null })
1472	>	{
1473		final CompletableFuture<Integer> f = new CompletableFuture<>();
1474	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1475	<	final SubtractAction r = new SubtractAction();
1408	<	final CFException ex = new CFException();
1474	>	final FailingFunction[] rs = new FailingFunction[4];
1475	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1476
1477	<	f.completeExceptionally(ex);
1478	<	g.complete(v1);
1479	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1477	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1478	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1479	>	assertTrue(f.complete(v1));
1480	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1481	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1482
1483	<	checkCompletedWithWrappedCFException(h, ex);
1484	<	checkCompletedWithWrappedCFException(f, ex);
1485	<	assertFalse(r.ran());
1486	<	checkCompletedNormally(g, v1);
1487	<	}
1488	<	}
1483	>	checkCompletedWithWrappedCFException(h0);
1484	>	checkCompletedWithWrappedCFException(h1);
1485	>	checkCompletedWithWrappedCFException(h2);
1486	>	checkCompletedWithWrappedCFException(h3);
1487	>	checkCompletedNormally(f, v1);
1488	>	}}
1489
1490		/**
1491	<	* thenAcceptBoth result completes exceptionally if action does
1491	>	* thenAccept result completes normally after normal completion of source
1492		*/
1493	<	public void testThenAcceptBoth_actionFailed1() {
1493	>	public void testThenAccept_normalCompletion() {
1494		for (ExecutionMode m : ExecutionMode.values())
1495		for (Integer v1 : new Integer[] { 1, null })
1496	<	for (Integer v2 : new Integer[] { 2, null }) {
1428	<
1496	>	{
1497		final CompletableFuture<Integer> f = new CompletableFuture<>();
1498	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1499	<	final FailingBiConsumer r = new FailingBiConsumer();
1432	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1498	>	final NoopConsumer[] rs = new NoopConsumer[4];
1499	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1500
1501	<	f.complete(v1);
1502	<	checkIncomplete(h);
1503	<	g.complete(v2);
1501	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1502	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1503	>	checkIncomplete(h0);
1504	>	checkIncomplete(h1);
1505	>	assertTrue(f.complete(v1));
1506	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1507	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1508
1509	<	checkCompletedWithWrappedCFException(h);
1509	>	checkCompletedNormally(h0, null);
1510	>	checkCompletedNormally(h1, null);
1511	>	checkCompletedNormally(h2, null);
1512	>	checkCompletedNormally(h3, null);
1513		checkCompletedNormally(f, v1);
1514	<	checkCompletedNormally(g, v2);
1515	<	}
1442	<	}
1514	>	for (NoopConsumer r : rs) r.assertValue(v1);
1515	>	}}
1516
1517	<	public void testThenAcceptBoth_actionFailed2() {
1517	>	/**
1518	>	* thenAccept result completes exceptionally after exceptional
1519	>	* completion of source
1520	>	*/
1521	>	public void testThenAccept_exceptionalCompletion() {
1522		for (ExecutionMode m : ExecutionMode.values())
1523	<	for (Integer v1 : new Integer[] { 1, null })
1524	<	for (Integer v2 : new Integer[] { 2, null }) {
1448	<
1523	>	{
1524	>	final CFException ex = new CFException();
1525		final CompletableFuture<Integer> f = new CompletableFuture<>();
1526	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1527	<	final FailingBiConsumer r = new FailingBiConsumer();
1452	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1453	<
1454	<	g.complete(v2);
1455	<	checkIncomplete(h);
1456	<	f.complete(v1);
1526	>	final NoopConsumer[] rs = new NoopConsumer[4];
1527	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1528
1529	<	checkCompletedWithWrappedCFException(h);
1530	<	checkCompletedNormally(f, v1);
1531	<	checkCompletedNormally(g, v2);
1532	<	}
1533	<	}
1529	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1530	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1531	>	assertTrue(f.completeExceptionally(ex));
1532	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1533	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1534	>
1535	>	checkCompletedWithWrappedException(h0, ex);
1536	>	checkCompletedWithWrappedException(h1, ex);
1537	>	checkCompletedWithWrappedException(h2, ex);
1538	>	checkCompletedWithWrappedException(h3, ex);
1539	>	checkCompletedExceptionally(f, ex);
1540	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1541	>	}}
1542
1543		/**
1544	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1544	>	* thenAccept result completes exceptionally if source cancelled
1545		*/
1546	<	public void testThenAcceptBoth_sourceCancelled1() {
1546	>	public void testThenAccept_sourceCancelled() {
1547		for (ExecutionMode m : ExecutionMode.values())
1548		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1549	<	for (Integer v1 : new Integer[] { 1, null }) {
1471	<
1549	>	{
1550		final CompletableFuture<Integer> f = new CompletableFuture<>();
1551	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1552	<	final SubtractAction r = new SubtractAction();
1475	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1551	>	final NoopConsumer[] rs = new NoopConsumer[4];
1552	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1553
1554	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1555	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1556		assertTrue(f.cancel(mayInterruptIfRunning));
1557	<	checkIncomplete(h);
1558	<	g.complete(v1);
1557	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1558	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1559
1560	<	checkCompletedWithWrappedCancellationException(h);
1560	>	checkCompletedWithWrappedCancellationException(h0);
1561	>	checkCompletedWithWrappedCancellationException(h1);
1562	>	checkCompletedWithWrappedCancellationException(h2);
1563	>	checkCompletedWithWrappedCancellationException(h3);
1564		checkCancelled(f);
1565	<	assertEquals(r.invocationCount, 0);
1566	<	checkCompletedNormally(g, v1);
1485	<	}
1486	<	}
1565	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1566	>	}}
1567
1568	<	public void testThenAcceptBoth_sourceCancelled2() {
1568	>	/**
1569	>	* thenAccept result completes exceptionally if action does
1570	>	*/
1571	>	public void testThenAccept_actionFailed() {
1572		for (ExecutionMode m : ExecutionMode.values())
1573	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1574	<	for (Integer v1 : new Integer[] { 1, null }) {
1492	<
1573	>	for (Integer v1 : new Integer[] { 1, null })
1574	>	{
1575		final CompletableFuture<Integer> f = new CompletableFuture<>();
1576	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1577	<	final SubtractAction r = new SubtractAction();
1496	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1576	>	final FailingConsumer[] rs = new FailingConsumer[4];
1577	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1578
1579	<	assertTrue(g.cancel(mayInterruptIfRunning));
1580	<	checkIncomplete(h);
1581	<	f.complete(v1);
1579	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1580	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1581	>	assertTrue(f.complete(v1));
1582	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1583	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1584
1585	<	checkCompletedWithWrappedCancellationException(h);
1586	<	checkCancelled(g);
1587	<	assertEquals(r.invocationCount, 0);
1585	>	checkCompletedWithWrappedCFException(h0);
1586	>	checkCompletedWithWrappedCFException(h1);
1587	>	checkCompletedWithWrappedCFException(h2);
1588	>	checkCompletedWithWrappedCFException(h3);
1589		checkCompletedNormally(f, v1);
1590	<	}
1507	<	}
1590	>	}}
1591
1592	<	public void testThenAcceptBoth_sourceCancelled3() {
1592	>	/**
1593	>	* thenCombine result completes normally after normal completion
1594	>	* of sources
1595	>	*/
1596	>	public void testThenCombine_normalCompletion() {
1597		for (ExecutionMode m : ExecutionMode.values())
1598	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1599	<	for (Integer v1 : new Integer[] { 1, null }) {
1600	<
1598	>	for (boolean fFirst : new boolean[] { true, false })
1599	>	for (Integer v1 : new Integer[] { 1, null })
1600	>	for (Integer v2 : new Integer[] { 2, null })
1601	>	{
1602		final CompletableFuture<Integer> f = new CompletableFuture<>();
1603		final CompletableFuture<Integer> g = new CompletableFuture<>();
1604	<	final SubtractAction r = new SubtractAction();
1605	<
1606	<	assertTrue(g.cancel(mayInterruptIfRunning));
1607	<	f.complete(v1);
1608	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1604	>	final SubtractFunction[] rs = new SubtractFunction[6];
1605	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1606	>
1607	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1608	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1609	>	final Integer w1 =  fFirst ? v1 : v2;
1610	>	final Integer w2 = !fFirst ? v1 : v2;
1611	>
1612	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1613	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1614	>	assertTrue(fst.complete(w1));
1615	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1616	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1617	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1618	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1619	>	checkCompletedNormally(h1, subtract(w1, w1));
1620	>	checkCompletedNormally(h3, subtract(w1, w1));
1621	>	rs[1].assertValue(subtract(w1, w1));
1622	>	rs[3].assertValue(subtract(w1, w1));
1623	>	assertTrue(snd.complete(w2));
1624	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1625	>
1626	>	checkCompletedNormally(h0, subtract(v1, v2));
1627	>	checkCompletedNormally(h2, subtract(v1, v2));
1628	>	checkCompletedNormally(h4, subtract(v1, v2));
1629	>	rs[0].assertValue(subtract(v1, v2));
1630	>	rs[2].assertValue(subtract(v1, v2));
1631	>	rs[4].assertValue(subtract(v1, v2));
1632
1522	–	checkCompletedWithWrappedCancellationException(h);
1523	–	checkCancelled(g);
1524	–	assertEquals(r.invocationCount, 0);
1633		checkCompletedNormally(f, v1);
1634	<	}
1635	<	}
1528	<
1529	<	public void testThenAcceptBoth_sourceCancelled4() {
1530	<	for (ExecutionMode m : ExecutionMode.values())
1531	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1532	<	for (Integer v1 : new Integer[] { 1, null }) {
1533	<
1534	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1535	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1536	<	final SubtractAction r = new SubtractAction();
1537	<
1538	<	assertTrue(f.cancel(mayInterruptIfRunning));
1539	<	g.complete(v1);
1540	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1541	<
1542	<	checkCompletedWithWrappedCancellationException(h);
1543	<	checkCancelled(f);
1544	<	assertEquals(r.invocationCount, 0);
1545	<	checkCompletedNormally(g, v1);
1546	<	}
1547	<	}
1634	>	checkCompletedNormally(g, v2);
1635	>	}}
1636
1637		/**
1638	<	* runAfterBoth result completes normally after normal
1639	<	* completion of sources
1638	>	* thenCombine result completes exceptionally after exceptional
1639	>	* completion of either source
1640		*/
1641	<	public void testRunAfterBoth_normalCompletion1() {
1641	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1642		for (ExecutionMode m : ExecutionMode.values())
1643	+	for (boolean fFirst : new boolean[] { true, false })
1644	+	for (boolean failFirst : new boolean[] { true, false })
1645		for (Integer v1 : new Integer[] { 1, null })
1646	<	for (Integer v2 : new Integer[] { 2, null }) {
1557	<
1646	>	{
1647		final CompletableFuture<Integer> f = new CompletableFuture<>();
1648		final CompletableFuture<Integer> g = new CompletableFuture<>();
1649	<	final Noop r = new Noop();
1650	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1651	<
1652	<	f.complete(v1);
1653	<	checkIncomplete(h);
1654	<	assertFalse(r.ran);
1655	<	g.complete(v2);
1656	<
1657	<	checkCompletedNormally(h, null);
1658	<	assertEquals(r.invocationCount, 1);
1659	<	checkCompletedNormally(f, v1);
1660	<	checkCompletedNormally(g, v2);
1661	<	}
1662	<	}
1649	>	final CFException ex = new CFException();
1650	>	final SubtractFunction r1 = new SubtractFunction(m);
1651	>	final SubtractFunction r2 = new SubtractFunction(m);
1652	>	final SubtractFunction r3 = new SubtractFunction(m);
1653	>
1654	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1655	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1656	>	final Callable<Boolean> complete1 = failFirst ?
1657	>	() -> fst.completeExceptionally(ex) :
1658	>	() -> fst.complete(v1);
1659	>	final Callable<Boolean> complete2 = failFirst ?
1660	>	() -> snd.complete(v1) :
1661	>	() -> snd.completeExceptionally(ex);
1662	>
1663	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1664	>	assertTrue(complete1.call());
1665	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1666	>	checkIncomplete(h1);
1667	>	checkIncomplete(h2);
1668	>	assertTrue(complete2.call());
1669	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1670	>
1671	>	checkCompletedWithWrappedException(h1, ex);
1672	>	checkCompletedWithWrappedException(h2, ex);
1673	>	checkCompletedWithWrappedException(h3, ex);
1674	>	r1.assertNotInvoked();
1675	>	r2.assertNotInvoked();
1676	>	r3.assertNotInvoked();
1677	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1678	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1679	>	}}
1680
1681	<	public void testRunAfterBoth_normalCompletion2() {
1681	>	/**
1682	>	* thenCombine result completes exceptionally if either source cancelled
1683	>	*/
1684	>	public void testThenCombine_sourceCancelled() throws Throwable {
1685		for (ExecutionMode m : ExecutionMode.values())
1686	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1687	+	for (boolean fFirst : new boolean[] { true, false })
1688	+	for (boolean failFirst : new boolean[] { true, false })
1689		for (Integer v1 : new Integer[] { 1, null })
1690	<	for (Integer v2 : new Integer[] { 2, null }) {
1579	<
1690	>	{
1691		final CompletableFuture<Integer> f = new CompletableFuture<>();
1692		final CompletableFuture<Integer> g = new CompletableFuture<>();
1693	<	final Noop r = new Noop();
1694	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1695	<
1696	<	g.complete(v2);
1697	<	checkIncomplete(h);
1698	<	assertFalse(r.ran);
1699	<	f.complete(v1);
1693	>	final SubtractFunction r1 = new SubtractFunction(m);
1694	>	final SubtractFunction r2 = new SubtractFunction(m);
1695	>	final SubtractFunction r3 = new SubtractFunction(m);
1696	>
1697	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1698	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1699	>	final Callable<Boolean> complete1 = failFirst ?
1700	>	() -> fst.cancel(mayInterruptIfRunning) :
1701	>	() -> fst.complete(v1);
1702	>	final Callable<Boolean> complete2 = failFirst ?
1703	>	() -> snd.complete(v1) :
1704	>	() -> snd.cancel(mayInterruptIfRunning);
1705	>
1706	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1707	>	assertTrue(complete1.call());
1708	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1709	>	checkIncomplete(h1);
1710	>	checkIncomplete(h2);
1711	>	assertTrue(complete2.call());
1712	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1713	>
1714	>	checkCompletedWithWrappedCancellationException(h1);
1715	>	checkCompletedWithWrappedCancellationException(h2);
1716	>	checkCompletedWithWrappedCancellationException(h3);
1717	>	r1.assertNotInvoked();
1718	>	r2.assertNotInvoked();
1719	>	r3.assertNotInvoked();
1720	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1721	>	checkCancelled(failFirst ? fst : snd);
1722	>	}}
1723
1724	<	checkCompletedNormally(h, null);
1725	<	assertEquals(r.invocationCount, 1);
1726	<	checkCompletedNormally(f, v1);
1727	<	checkCompletedNormally(g, v2);
1594	<	}
1595	<	}
1596	<
1597	<	public void testRunAfterBoth_normalCompletion3() {
1724	>	/**
1725	>	* thenCombine result completes exceptionally if action does
1726	>	*/
1727	>	public void testThenCombine_actionFailed() {
1728		for (ExecutionMode m : ExecutionMode.values())
1729	+	for (boolean fFirst : new boolean[] { true, false })
1730		for (Integer v1 : new Integer[] { 1, null })
1731	<	for (Integer v2 : new Integer[] { 2, null }) {
1732	<
1731	>	for (Integer v2 : new Integer[] { 2, null })
1732	>	{
1733		final CompletableFuture<Integer> f = new CompletableFuture<>();
1734		final CompletableFuture<Integer> g = new CompletableFuture<>();
1735	<	final Noop r = new Noop();
1735	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1736	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1737	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1738
1739	<	g.complete(v2);
1740	<	f.complete(v1);
1741	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1739	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1740	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1741	>	final Integer w1 =  fFirst ? v1 : v2;
1742	>	final Integer w2 = !fFirst ? v1 : v2;
1743
1744	<	checkCompletedNormally(h, null);
1745	<	assertTrue(r.ran);
1744	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1745	>	assertTrue(fst.complete(w1));
1746	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1747	>	assertTrue(snd.complete(w2));
1748	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1749	>
1750	>	checkCompletedWithWrappedCFException(h1);
1751	>	checkCompletedWithWrappedCFException(h2);
1752	>	checkCompletedWithWrappedCFException(h3);
1753	>	r1.assertInvoked();
1754	>	r2.assertInvoked();
1755	>	r3.assertInvoked();
1756		checkCompletedNormally(f, v1);
1757		checkCompletedNormally(g, v2);
1758	<	}
1615	<	}
1758	>	}}
1759
1760	<	public void testRunAfterBoth_normalCompletion4() {
1760	>	/**
1761	>	* thenAcceptBoth result completes normally after normal
1762	>	* completion of sources
1763	>	*/
1764	>	public void testThenAcceptBoth_normalCompletion() {
1765		for (ExecutionMode m : ExecutionMode.values())
1766	+	for (boolean fFirst : new boolean[] { true, false })
1767		for (Integer v1 : new Integer[] { 1, null })
1768	<	for (Integer v2 : new Integer[] { 2, null }) {
1769	<
1768	>	for (Integer v2 : new Integer[] { 2, null })
1769	>	{
1770		final CompletableFuture<Integer> f = new CompletableFuture<>();
1771		final CompletableFuture<Integer> g = new CompletableFuture<>();
1772	<	final Noop r = new Noop();
1773	<
1774	<	f.complete(v1);
1775	<	g.complete(v2);
1776	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1777	<
1778	<	checkCompletedNormally(h, null);
1779	<	assertEquals(r.invocationCount, 1);
1772	>	final SubtractAction r1 = new SubtractAction(m);
1773	>	final SubtractAction r2 = new SubtractAction(m);
1774	>	final SubtractAction r3 = new SubtractAction(m);
1775	>
1776	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1777	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1778	>	final Integer w1 =  fFirst ? v1 : v2;
1779	>	final Integer w2 = !fFirst ? v1 : v2;
1780	>
1781	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1782	>	assertTrue(fst.complete(w1));
1783	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1784	>	checkIncomplete(h1);
1785	>	checkIncomplete(h2);
1786	>	r1.assertNotInvoked();
1787	>	r2.assertNotInvoked();
1788	>	assertTrue(snd.complete(w2));
1789	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1790	>
1791	>	checkCompletedNormally(h1, null);
1792	>	checkCompletedNormally(h2, null);
1793	>	checkCompletedNormally(h3, null);
1794	>	r1.assertValue(subtract(v1, v2));
1795	>	r2.assertValue(subtract(v1, v2));
1796	>	r3.assertValue(subtract(v1, v2));
1797		checkCompletedNormally(f, v1);
1798		checkCompletedNormally(g, v2);
1799	<	}
1635	<	}
1799	>	}}
1800
1801		/**
1802	<	* runAfterBoth result completes exceptionally after exceptional
1802	>	* thenAcceptBoth result completes exceptionally after exceptional
1803		* completion of either source
1804		*/
1805	<	public void testRunAfterBoth_exceptionalCompletion1() {
1805	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1806		for (ExecutionMode m : ExecutionMode.values())
1807	<	for (Integer v1 : new Integer[] { 1, null }) {
1808	<
1807	>	for (boolean fFirst : new boolean[] { true, false })
1808	>	for (boolean failFirst : new boolean[] { true, false })
1809	>	for (Integer v1 : new Integer[] { 1, null })
1810	>	{
1811		final CompletableFuture<Integer> f = new CompletableFuture<>();
1812		final CompletableFuture<Integer> g = new CompletableFuture<>();
1647	–	final Noop r = new Noop();
1648	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1813		final CFException ex = new CFException();
1814	+	final SubtractAction r1 = new SubtractAction(m);
1815	+	final SubtractAction r2 = new SubtractAction(m);
1816	+	final SubtractAction r3 = new SubtractAction(m);
1817	+
1818	+	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1819	+	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1820	+	final Callable<Boolean> complete1 = failFirst ?
1821	+	() -> fst.completeExceptionally(ex) :
1822	+	() -> fst.complete(v1);
1823	+	final Callable<Boolean> complete2 = failFirst ?
1824	+	() -> snd.complete(v1) :
1825	+	() -> snd.completeExceptionally(ex);
1826	+
1827	+	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1828	+	assertTrue(complete1.call());
1829	+	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1830	+	checkIncomplete(h1);
1831	+	checkIncomplete(h2);
1832	+	assertTrue(complete2.call());
1833	+	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1834	+
1835	+	checkCompletedWithWrappedException(h1, ex);
1836	+	checkCompletedWithWrappedException(h2, ex);
1837	+	checkCompletedWithWrappedException(h3, ex);
1838	+	r1.assertNotInvoked();
1839	+	r2.assertNotInvoked();
1840	+	r3.assertNotInvoked();
1841	+	checkCompletedNormally(failFirst ? snd : fst, v1);
1842	+	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1843	+	}}
1844
1845	<	f.completeExceptionally(ex);
1846	<	checkIncomplete(h);
1847	<	g.complete(v1);
1848	<
1655	<	checkCompletedWithWrappedCFException(h, ex);
1656	<	checkCompletedWithWrappedCFException(f, ex);
1657	<	assertEquals(r.invocationCount, 0);
1658	<	checkCompletedNormally(g, v1);
1659	<	}
1660	<	}
1661	<
1662	<	public void testRunAfterBoth_exceptionalCompletion2() {
1845	>	/**
1846	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1847	>	*/
1848	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1849		for (ExecutionMode m : ExecutionMode.values())
1850	<	for (Integer v1 : new Integer[] { 1, null }) {
1851	<
1850	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1851	>	for (boolean fFirst : new boolean[] { true, false })
1852	>	for (boolean failFirst : new boolean[] { true, false })
1853	>	for (Integer v1 : new Integer[] { 1, null })
1854	>	{
1855		final CompletableFuture<Integer> f = new CompletableFuture<>();
1856		final CompletableFuture<Integer> g = new CompletableFuture<>();
1857	<	final Noop r = new Noop();
1858	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1859	<	final CFException ex = new CFException();
1860	<
1861	<	g.completeExceptionally(ex);
1862	<	checkIncomplete(h);
1863	<	f.complete(v1);
1857	>	final SubtractAction r1 = new SubtractAction(m);
1858	>	final SubtractAction r2 = new SubtractAction(m);
1859	>	final SubtractAction r3 = new SubtractAction(m);
1860	>
1861	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1862	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1863	>	final Callable<Boolean> complete1 = failFirst ?
1864	>	() -> fst.cancel(mayInterruptIfRunning) :
1865	>	() -> fst.complete(v1);
1866	>	final Callable<Boolean> complete2 = failFirst ?
1867	>	() -> snd.complete(v1) :
1868	>	() -> snd.cancel(mayInterruptIfRunning);
1869	>
1870	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1871	>	assertTrue(complete1.call());
1872	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1873	>	checkIncomplete(h1);
1874	>	checkIncomplete(h2);
1875	>	assertTrue(complete2.call());
1876	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1877	>
1878	>	checkCompletedWithWrappedCancellationException(h1);
1879	>	checkCompletedWithWrappedCancellationException(h2);
1880	>	checkCompletedWithWrappedCancellationException(h3);
1881	>	r1.assertNotInvoked();
1882	>	r2.assertNotInvoked();
1883	>	r3.assertNotInvoked();
1884	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1885	>	checkCancelled(failFirst ? fst : snd);
1886	>	}}
1887
1888	<	checkCompletedWithWrappedCFException(h, ex);
1889	<	checkCompletedWithWrappedCFException(g, ex);
1890	<	assertEquals(r.invocationCount, 0);
1891	<	checkCompletedNormally(f, v1);
1680	<	}
1681	<	}
1682	<
1683	<	public void testRunAfterBoth_exceptionalCompletion3() {
1888	>	/**
1889	>	* thenAcceptBoth result completes exceptionally if action does
1890	>	*/
1891	>	public void testThenAcceptBoth_actionFailed() {
1892		for (ExecutionMode m : ExecutionMode.values())
1893	<	for (Integer v1 : new Integer[] { 1, null }) {
1894	<
1893	>	for (boolean fFirst : new boolean[] { true, false })
1894	>	for (Integer v1 : new Integer[] { 1, null })
1895	>	for (Integer v2 : new Integer[] { 2, null })
1896	>	{
1897		final CompletableFuture<Integer> f = new CompletableFuture<>();
1898		final CompletableFuture<Integer> g = new CompletableFuture<>();
1899	<	final Noop r = new Noop();
1900	<	final CFException ex = new CFException();
1901	<
1692	<	g.completeExceptionally(ex);
1693	<	f.complete(v1);
1694	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1695	<
1696	<	checkCompletedWithWrappedCFException(h, ex);
1697	<	checkCompletedWithWrappedCFException(g, ex);
1698	<	assertEquals(r.invocationCount, 0);
1699	<	checkCompletedNormally(f, v1);
1700	<	}
1701	<	}
1899	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1900	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1901	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1902
1903	<	public void testRunAfterBoth_exceptionalCompletion4() {
1904	<	for (ExecutionMode m : ExecutionMode.values())
1905	<	for (Integer v1 : new Integer[] { 1, null }) {
1906	<
1707	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1708	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1709	<	final Noop r = new Noop();
1710	<	final CFException ex = new CFException();
1903	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1904	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1905	>	final Integer w1 =  fFirst ? v1 : v2;
1906	>	final Integer w2 = !fFirst ? v1 : v2;
1907
1908	<	f.completeExceptionally(ex);
1909	<	g.complete(v1);
1910	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1908	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1909	>	assertTrue(fst.complete(w1));
1910	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1911	>	assertTrue(snd.complete(w2));
1912	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1913
1914	<	checkCompletedWithWrappedCFException(h, ex);
1915	<	checkCompletedWithWrappedCFException(f, ex);
1916	<	assertEquals(r.invocationCount, 0);
1917	<	checkCompletedNormally(g, v1);
1918	<	}
1919	<	}
1914	>	checkCompletedWithWrappedCFException(h1);
1915	>	checkCompletedWithWrappedCFException(h2);
1916	>	checkCompletedWithWrappedCFException(h3);
1917	>	r1.assertInvoked();
1918	>	r2.assertInvoked();
1919	>	r3.assertInvoked();
1920	>	checkCompletedNormally(f, v1);
1921	>	checkCompletedNormally(g, v2);
1922	>	}}
1923
1924		/**
1925	<	* runAfterBoth result completes exceptionally if action does
1925	>	* runAfterBoth result completes normally after normal
1926	>	* completion of sources
1927		*/
1928	<	public void testRunAfterBoth_actionFailed1() {
1928	>	public void testRunAfterBoth_normalCompletion() {
1929		for (ExecutionMode m : ExecutionMode.values())
1930	+	for (boolean fFirst : new boolean[] { true, false })
1931		for (Integer v1 : new Integer[] { 1, null })
1932	<	for (Integer v2 : new Integer[] { 2, null }) {
1933	<
1932	>	for (Integer v2 : new Integer[] { 2, null })
1933	>	{
1934		final CompletableFuture<Integer> f = new CompletableFuture<>();
1935		final CompletableFuture<Integer> g = new CompletableFuture<>();
1936	<	final FailingNoop r = new FailingNoop();
1937	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1938	<
1939	<	f.complete(v1);
1940	<	checkIncomplete(h);
1941	<	g.complete(v2);
1942	<
1943	<	checkCompletedWithWrappedCFException(h);
1936	>	final Noop r1 = new Noop(m);
1937	>	final Noop r2 = new Noop(m);
1938	>	final Noop r3 = new Noop(m);
1939	>
1940	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1941	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1942	>	final Integer w1 =  fFirst ? v1 : v2;
1943	>	final Integer w2 = !fFirst ? v1 : v2;
1944	>
1945	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1946	>	assertTrue(fst.complete(w1));
1947	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1948	>	checkIncomplete(h1);
1949	>	checkIncomplete(h2);
1950	>	r1.assertNotInvoked();
1951	>	r2.assertNotInvoked();
1952	>	assertTrue(snd.complete(w2));
1953	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1954	>
1955	>	checkCompletedNormally(h1, null);
1956	>	checkCompletedNormally(h2, null);
1957	>	checkCompletedNormally(h3, null);
1958	>	r1.assertInvoked();
1959	>	r2.assertInvoked();
1960	>	r3.assertInvoked();
1961		checkCompletedNormally(f, v1);
1962		checkCompletedNormally(g, v2);
1963	<	}
1744	<	}
1963	>	}}
1964
1965	<	public void testRunAfterBoth_actionFailed2() {
1965	>	/**
1966	>	* runAfterBoth result completes exceptionally after exceptional
1967	>	* completion of either source
1968	>	*/
1969	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1970		for (ExecutionMode m : ExecutionMode.values())
1971	+	for (boolean fFirst : new boolean[] { true, false })
1972	+	for (boolean failFirst : new boolean[] { true, false })
1973		for (Integer v1 : new Integer[] { 1, null })
1974	<	for (Integer v2 : new Integer[] { 2, null }) {
1750	<
1974	>	{
1975		final CompletableFuture<Integer> f = new CompletableFuture<>();
1976		final CompletableFuture<Integer> g = new CompletableFuture<>();
1977	<	final FailingNoop r = new FailingNoop();
1978	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1979	<
1980	<	g.complete(v2);
1981	<	checkIncomplete(h);
1982	<	f.complete(v1);
1983	<
1984	<	checkCompletedWithWrappedCFException(h);
1985	<	checkCompletedNormally(f, v1);
1986	<	checkCompletedNormally(g, v2);
1987	<	}
1988	<	}
1977	>	final CFException ex = new CFException();
1978	>	final Noop r1 = new Noop(m);
1979	>	final Noop r2 = new Noop(m);
1980	>	final Noop r3 = new Noop(m);
1981	>
1982	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1983	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1984	>	final Callable<Boolean> complete1 = failFirst ?
1985	>	() -> fst.completeExceptionally(ex) :
1986	>	() -> fst.complete(v1);
1987	>	final Callable<Boolean> complete2 = failFirst ?
1988	>	() -> snd.complete(v1) :
1989	>	() -> snd.completeExceptionally(ex);
1990	>
1991	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1992	>	assertTrue(complete1.call());
1993	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1994	>	checkIncomplete(h1);
1995	>	checkIncomplete(h2);
1996	>	assertTrue(complete2.call());
1997	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1998	>
1999	>	checkCompletedWithWrappedException(h1, ex);
2000	>	checkCompletedWithWrappedException(h2, ex);
2001	>	checkCompletedWithWrappedException(h3, ex);
2002	>	r1.assertNotInvoked();
2003	>	r2.assertNotInvoked();
2004	>	r3.assertNotInvoked();
2005	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2006	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2007	>	}}
2008
2009		/**
2010		* runAfterBoth result completes exceptionally if either source cancelled
2011		*/
2012	<	public void testRunAfterBoth_sourceCancelled1() {
2012	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2013		for (ExecutionMode m : ExecutionMode.values())
2014		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2015	<	for (Integer v1 : new Integer[] { 1, null }) {
2016	<
2015	>	for (boolean fFirst : new boolean[] { true, false })
2016	>	for (boolean failFirst : new boolean[] { true, false })
2017	>	for (Integer v1 : new Integer[] { 1, null })
2018	>	{
2019		final CompletableFuture<Integer> f = new CompletableFuture<>();
2020		final CompletableFuture<Integer> g = new CompletableFuture<>();
2021	<	final Noop r = new Noop();
2022	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2023	<
2024	<	assertTrue(f.cancel(mayInterruptIfRunning));
2025	<	checkIncomplete(h);
2026	<	g.complete(v1);
2021	>	final Noop r1 = new Noop(m);
2022	>	final Noop r2 = new Noop(m);
2023	>	final Noop r3 = new Noop(m);
2024	>
2025	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2026	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2027	>	final Callable<Boolean> complete1 = failFirst ?
2028	>	() -> fst.cancel(mayInterruptIfRunning) :
2029	>	() -> fst.complete(v1);
2030	>	final Callable<Boolean> complete2 = failFirst ?
2031	>	() -> snd.complete(v1) :
2032	>	() -> snd.cancel(mayInterruptIfRunning);
2033	>
2034	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2035	>	assertTrue(complete1.call());
2036	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2037	>	checkIncomplete(h1);
2038	>	checkIncomplete(h2);
2039	>	assertTrue(complete2.call());
2040	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2041	>
2042	>	checkCompletedWithWrappedCancellationException(h1);
2043	>	checkCompletedWithWrappedCancellationException(h2);
2044	>	checkCompletedWithWrappedCancellationException(h3);
2045	>	r1.assertNotInvoked();
2046	>	r2.assertNotInvoked();
2047	>	r3.assertNotInvoked();
2048	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2049	>	checkCancelled(failFirst ? fst : snd);
2050	>	}}
2051
2052	<	checkCompletedWithWrappedCancellationException(h);
2053	<	checkCancelled(f);
2054	<	assertEquals(r.invocationCount, 0);
2055	<	checkCompletedNormally(g, v1);
1787	<	}
1788	<	}
1789	<
1790	<	public void testRunAfterBoth_sourceCancelled2() {
2052	>	/**
2053	>	* runAfterBoth result completes exceptionally if action does
2054	>	*/
2055	>	public void testRunAfterBoth_actionFailed() {
2056		for (ExecutionMode m : ExecutionMode.values())
2057	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2058	<	for (Integer v1 : new Integer[] { 1, null }) {
2059	<
2057	>	for (boolean fFirst : new boolean[] { true, false })
2058	>	for (Integer v1 : new Integer[] { 1, null })
2059	>	for (Integer v2 : new Integer[] { 2, null })
2060	>	{
2061		final CompletableFuture<Integer> f = new CompletableFuture<>();
2062		final CompletableFuture<Integer> g = new CompletableFuture<>();
2063	<	final Noop r = new Noop();
2064	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2065	<
1800	<	assertTrue(g.cancel(mayInterruptIfRunning));
1801	<	checkIncomplete(h);
1802	<	f.complete(v1);
1803	<
1804	<	checkCompletedWithWrappedCancellationException(h);
1805	<	checkCancelled(g);
1806	<	assertEquals(r.invocationCount, 0);
1807	<	checkCompletedNormally(f, v1);
1808	<	}
1809	<	}
1810	<
1811	<	public void testRunAfterBoth_sourceCancelled3() {
1812	<	for (ExecutionMode m : ExecutionMode.values())
1813	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1814	<	for (Integer v1 : new Integer[] { 1, null }) {
2063	>	final FailingRunnable r1 = new FailingRunnable(m);
2064	>	final FailingRunnable r2 = new FailingRunnable(m);
2065	>	final FailingRunnable r3 = new FailingRunnable(m);
2066
2067	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2068	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2069	<	final Noop r = new Noop();
2067	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2068	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2069	>	final Integer w1 =  fFirst ? v1 : v2;
2070	>	final Integer w2 = !fFirst ? v1 : v2;
2071
2072	<	assertTrue(g.cancel(mayInterruptIfRunning));
2073	<	f.complete(v1);
2074	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2072	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2073	>	assertTrue(fst.complete(w1));
2074	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2075	>	assertTrue(snd.complete(w2));
2076	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2077
2078	<	checkCompletedWithWrappedCancellationException(h);
2079	<	checkCancelled(g);
2080	<	assertEquals(r.invocationCount, 0);
2078	>	checkCompletedWithWrappedCFException(h1);
2079	>	checkCompletedWithWrappedCFException(h2);
2080	>	checkCompletedWithWrappedCFException(h3);
2081	>	r1.assertInvoked();
2082	>	r2.assertInvoked();
2083	>	r3.assertInvoked();
2084		checkCompletedNormally(f, v1);
2085	<	}
2086	<	}
1830	<
1831	<	public void testRunAfterBoth_sourceCancelled4() {
1832	<	for (ExecutionMode m : ExecutionMode.values())
1833	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1834	<	for (Integer v1 : new Integer[] { 1, null }) {
1835	<
1836	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1837	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1838	<	final Noop r = new Noop();
1839	<
1840	<	assertTrue(f.cancel(mayInterruptIfRunning));
1841	<	g.complete(v1);
1842	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1843	<
1844	<	checkCompletedWithWrappedCancellationException(h);
1845	<	checkCancelled(f);
1846	<	assertEquals(r.invocationCount, 0);
1847	<	checkCompletedNormally(g, v1);
1848	<	}
1849	<	}
2085	>	checkCompletedNormally(g, v2);
2086	>	}}
2087
2088		/**
2089		* applyToEither result completes normally after normal completion
2090		* of either source
2091		*/
2092	<	public void testApplyToEither_normalCompletion1() {
2092	>	public void testApplyToEither_normalCompletion() {
2093		for (ExecutionMode m : ExecutionMode.values())
2094		for (Integer v1 : new Integer[] { 1, null })
2095	<	for (Integer v2 : new Integer[] { 2, null }) {
2096	<
2095	>	for (Integer v2 : new Integer[] { 2, null })
2096	>	{
2097		final CompletableFuture<Integer> f = new CompletableFuture<>();
2098		final CompletableFuture<Integer> g = new CompletableFuture<>();
2099	<	final IncFunction r = new IncFunction();
2100	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2099	>	final IncFunction[] rs = new IncFunction[6];
2100	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2101
2102	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2103	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2104	+	checkIncomplete(h0);
2105	+	checkIncomplete(h1);
2106	+	rs[0].assertNotInvoked();
2107	+	rs[1].assertNotInvoked();
2108		f.complete(v1);
2109	<	checkCompletedNormally(h, inc(v1));
2110	<	g.complete(v2);
2111	<
2112	<	checkCompletedNormally(f, v1);
2113	<	checkCompletedNormally(g, v2);
2114	<	checkCompletedNormally(h, inc(v1));
1872	<	}
1873	<	}
1874	<
1875	<	public void testApplyToEither_normalCompletion2() {
1876	<	for (ExecutionMode m : ExecutionMode.values())
1877	<	for (Integer v1 : new Integer[] { 1, null })
1878	<	for (Integer v2 : new Integer[] { 2, null }) {
1879	<
1880	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1881	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1882	<	final IncFunction r = new IncFunction();
1883	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1884	<
2109	>	checkCompletedNormally(h0, inc(v1));
2110	>	checkCompletedNormally(h1, inc(v1));
2111	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2112	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2113	>	checkCompletedNormally(h2, inc(v1));
2114	>	checkCompletedNormally(h3, inc(v1));
2115		g.complete(v2);
1886	–	checkCompletedNormally(h, inc(v2));
1887	–	f.complete(v1);
2116
2117	<	checkCompletedNormally(f, v1);
2118	<	checkCompletedNormally(g, v2);
2119	<	checkCompletedNormally(h, inc(v2));
2120	<	}
2121	<	}
2122	<	public void testApplyToEither_normalCompletion3() {
2123	<	for (ExecutionMode m : ExecutionMode.values())
2124	<	for (Integer v1 : new Integer[] { 1, null })
2125	<	for (Integer v2 : new Integer[] { 2, null }) {
1898	<
1899	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1900	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1901	<	final IncFunction r = new IncFunction();
1902	<
1903	<	f.complete(v1);
1904	<	g.complete(v2);
1905	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2117	>	// unspecified behavior - both source completions available
2118	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2119	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2120	>	rs[4].assertValue(h4.join());
2121	>	rs[5].assertValue(h5.join());
2122	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2123	>	Objects.equals(inc(v2), h4.join()));
2124	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2125	>	Objects.equals(inc(v2), h5.join()));
2126
2127		checkCompletedNormally(f, v1);
2128		checkCompletedNormally(g, v2);
2129	<
2130	<	// unspecified behavior
2131	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2132	<	Objects.equals(h.join(), inc(v2)));
2133	<	assertEquals(r.invocationCount, 1);
2134	<	}
1915	<	}
2129	>	checkCompletedNormally(h0, inc(v1));
2130	>	checkCompletedNormally(h1, inc(v1));
2131	>	checkCompletedNormally(h2, inc(v1));
2132	>	checkCompletedNormally(h3, inc(v1));
2133	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2134	>	}}
2135
2136		/**
2137		* applyToEither result completes exceptionally after exceptional
2138		* completion of either source
2139		*/
2140	<	public void testApplyToEither_exceptionalCompletion1() {
2140	>	public void testApplyToEither_exceptionalCompletion() {
2141		for (ExecutionMode m : ExecutionMode.values())
2142	<	for (Integer v1 : new Integer[] { 1, null }) {
2143	<
2142	>	for (Integer v1 : new Integer[] { 1, null })
2143	>	{
2144		final CompletableFuture<Integer> f = new CompletableFuture<>();
2145		final CompletableFuture<Integer> g = new CompletableFuture<>();
1927	–	final IncFunction r = new IncFunction();
1928	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2146		final CFException ex = new CFException();
2147	+	final IncFunction[] rs = new IncFunction[6];
2148	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2149
2150	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2151	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2152	+	checkIncomplete(h0);
2153	+	checkIncomplete(h1);
2154	+	rs[0].assertNotInvoked();
2155	+	rs[1].assertNotInvoked();
2156		f.completeExceptionally(ex);
2157	<	checkCompletedWithWrappedCFException(h, ex);
2157	>	checkCompletedWithWrappedException(h0, ex);
2158	>	checkCompletedWithWrappedException(h1, ex);
2159	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2160	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2161	>	checkCompletedWithWrappedException(h2, ex);
2162	>	checkCompletedWithWrappedException(h3, ex);
2163		g.complete(v1);
2164
2165	<	assertEquals(r.invocationCount, 0);
2166	<	checkCompletedNormally(g, v1);
2167	<	checkCompletedWithWrappedCFException(f, ex);
2168	<	checkCompletedWithWrappedCFException(h, ex);
2169	<	}
2170	<	}
2171	<
2172	<	public void testApplyToEither_exceptionalCompletion2() {
2173	<	for (ExecutionMode m : ExecutionMode.values())
1944	<	for (Integer v1 : new Integer[] { 1, null }) {
1945	<
1946	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1947	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1948	<	final IncFunction r = new IncFunction();
1949	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1950	<	final CFException ex = new CFException();
1951	<
1952	<	g.completeExceptionally(ex);
1953	<	checkCompletedWithWrappedCFException(h, ex);
1954	<	f.complete(v1);
1955	<
1956	<	assertEquals(r.invocationCount, 0);
1957	<	checkCompletedNormally(f, v1);
1958	<	checkCompletedWithWrappedCFException(g, ex);
1959	<	checkCompletedWithWrappedCFException(h, ex);
2165	>	// unspecified behavior - both source completions available
2166	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2167	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2168	>	try {
2169	>	assertEquals(inc(v1), h4.join());
2170	>	rs[4].assertValue(inc(v1));
2171	>	} catch (CompletionException ok) {
2172	>	checkCompletedWithWrappedException(h4, ex);
2173	>	rs[4].assertNotInvoked();
2174		}
1961	–	}
1962	–
1963	–	public void testApplyToEither_exceptionalCompletion3() {
1964	–	for (ExecutionMode m : ExecutionMode.values())
1965	–	for (Integer v1 : new Integer[] { 1, null }) {
1966	–
1967	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1968	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1969	–	final IncFunction r = new IncFunction();
1970	–	final CFException ex = new CFException();
1971	–
1972	–	g.completeExceptionally(ex);
1973	–	f.complete(v1);
1974	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1975	–
1976	–	// unspecified behavior
1977	–	Integer v;
2175		try {
2176	<	assertEquals(h.join(), inc(v1));
2177	<	assertEquals(r.invocationCount, 1);
2176	>	assertEquals(inc(v1), h5.join());
2177	>	rs[5].assertValue(inc(v1));
2178		} catch (CompletionException ok) {
2179	<	checkCompletedWithWrappedCFException(h, ex);
2180	<	assertEquals(r.invocationCount, 0);
2179	>	checkCompletedWithWrappedException(h5, ex);
2180	>	rs[5].assertNotInvoked();
2181		}
2182
2183	<	checkCompletedWithWrappedCFException(g, ex);
2184	<	checkCompletedNormally(f, v1);
2185	<	}
2186	<	}
2183	>	checkCompletedExceptionally(f, ex);
2184	>	checkCompletedNormally(g, v1);
2185	>	checkCompletedWithWrappedException(h0, ex);
2186	>	checkCompletedWithWrappedException(h1, ex);
2187	>	checkCompletedWithWrappedException(h2, ex);
2188	>	checkCompletedWithWrappedException(h3, ex);
2189	>	checkCompletedWithWrappedException(h4, ex);
2190	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2191	>	}}
2192
2193	<	public void testApplyToEither_exceptionalCompletion4() {
2193	>	public void testApplyToEither_exceptionalCompletion2() {
2194		for (ExecutionMode m : ExecutionMode.values())
2195	<	for (Integer v1 : new Integer[] { 1, null }) {
2196	<
2195	>	for (boolean fFirst : new boolean[] { true, false })
2196	>	for (Integer v1 : new Integer[] { 1, null })
2197	>	{
2198		final CompletableFuture<Integer> f = new CompletableFuture<>();
2199		final CompletableFuture<Integer> g = new CompletableFuture<>();
1997	–	final IncFunction r = new IncFunction();
2200		final CFException ex = new CFException();
2201	+	final IncFunction[] rs = new IncFunction[6];
2202	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2203
2204	<	f.completeExceptionally(ex);
2205	<	g.complete(v1);
2206	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2204	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2205	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2206	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2207	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2208	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2209	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2210
2211	<	// unspecified behavior
2005	<	Integer v;
2211	>	// unspecified behavior - both source completions available
2212		try {
2213	<	assertEquals(h.join(), inc(v1));
2214	<	assertEquals(r.invocationCount, 1);
2213	>	assertEquals(inc(v1), h0.join());
2214	>	rs[0].assertValue(inc(v1));
2215		} catch (CompletionException ok) {
2216	<	checkCompletedWithWrappedCFException(h, ex);
2217	<	assertEquals(r.invocationCount, 0);
2216	>	checkCompletedWithWrappedException(h0, ex);
2217	>	rs[0].assertNotInvoked();
2218		}
2219	<
2220	<	checkCompletedWithWrappedCFException(f, ex);
2221	<	checkCompletedNormally(g, v1);
2219	>	try {
2220	>	assertEquals(inc(v1), h1.join());
2221	>	rs[1].assertValue(inc(v1));
2222	>	} catch (CompletionException ok) {
2223	>	checkCompletedWithWrappedException(h1, ex);
2224	>	rs[1].assertNotInvoked();
2225		}
2226	<	}
2227	<
2228	<	/**
2229	<	* applyToEither result completes exceptionally if action does
2230	<	*/
2231	<	public void testApplyToEither_actionFailed1() {
2232	<	for (ExecutionMode m : ExecutionMode.values())
2233	<	for (Integer v1 : new Integer[] { 1, null })
2234	<	for (Integer v2 : new Integer[] { 2, null }) {
2235	<
2236	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2237	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2238	<	final FailingFunction r = new FailingFunction();
2030	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2031	<
2032	<	f.complete(v1);
2033	<	checkCompletedWithWrappedCFException(h);
2034	<	g.complete(v2);
2035	<	checkCompletedNormally(f, v1);
2036	<	checkCompletedNormally(g, v2);
2226	>	try {
2227	>	assertEquals(inc(v1), h2.join());
2228	>	rs[2].assertValue(inc(v1));
2229	>	} catch (CompletionException ok) {
2230	>	checkCompletedWithWrappedException(h2, ex);
2231	>	rs[2].assertNotInvoked();
2232	>	}
2233	>	try {
2234	>	assertEquals(inc(v1), h3.join());
2235	>	rs[3].assertValue(inc(v1));
2236	>	} catch (CompletionException ok) {
2237	>	checkCompletedWithWrappedException(h3, ex);
2238	>	rs[3].assertNotInvoked();
2239		}
2038	–	}
2039	–
2040	–	public void testApplyToEither_actionFailed2() {
2041	–	for (ExecutionMode m : ExecutionMode.values())
2042	–	for (Integer v1 : new Integer[] { 1, null })
2043	–	for (Integer v2 : new Integer[] { 2, null }) {
2044	–
2045	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2046	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2047	–	final FailingFunction r = new FailingFunction();
2048	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2240
2050	–	g.complete(v2);
2051	–	checkCompletedWithWrappedCFException(h);
2052	–	f.complete(v1);
2241		checkCompletedNormally(f, v1);
2242	<	checkCompletedNormally(g, v2);
2243	<	}
2056	<	}
2242	>	checkCompletedExceptionally(g, ex);
2243	>	}}
2244
2245		/**
2246		* applyToEither result completes exceptionally if either source cancelled
2247		*/
2248	<	public void testApplyToEither_sourceCancelled1() {
2248	>	public void testApplyToEither_sourceCancelled() {
2249		for (ExecutionMode m : ExecutionMode.values())
2250		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2251	<	for (Integer v1 : new Integer[] { 1, null }) {
2252	<
2251	>	for (Integer v1 : new Integer[] { 1, null })
2252	>	{
2253		final CompletableFuture<Integer> f = new CompletableFuture<>();
2254		final CompletableFuture<Integer> g = new CompletableFuture<>();
2255	<	final IncFunction r = new IncFunction();
2256	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2255	>	final IncFunction[] rs = new IncFunction[6];
2256	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2257
2258	<	assertTrue(f.cancel(mayInterruptIfRunning));
2259	<	checkCompletedWithWrappedCancellationException(h);
2258	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2259	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2260	>	checkIncomplete(h0);
2261	>	checkIncomplete(h1);
2262	>	rs[0].assertNotInvoked();
2263	>	rs[1].assertNotInvoked();
2264	>	f.cancel(mayInterruptIfRunning);
2265	>	checkCompletedWithWrappedCancellationException(h0);
2266	>	checkCompletedWithWrappedCancellationException(h1);
2267	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2268	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2269	>	checkCompletedWithWrappedCancellationException(h2);
2270	>	checkCompletedWithWrappedCancellationException(h3);
2271		g.complete(v1);
2272
2273	+	// unspecified behavior - both source completions available
2274	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2275	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2276	+	try {
2277	+	assertEquals(inc(v1), h4.join());
2278	+	rs[4].assertValue(inc(v1));
2279	+	} catch (CompletionException ok) {
2280	+	checkCompletedWithWrappedCancellationException(h4);
2281	+	rs[4].assertNotInvoked();
2282	+	}
2283	+	try {
2284	+	assertEquals(inc(v1), h5.join());
2285	+	rs[5].assertValue(inc(v1));
2286	+	} catch (CompletionException ok) {
2287	+	checkCompletedWithWrappedCancellationException(h5);
2288	+	rs[5].assertNotInvoked();
2289	+	}
2290	+
2291		checkCancelled(f);
2076	–	assertEquals(r.invocationCount, 0);
2292		checkCompletedNormally(g, v1);
2293	<	checkCompletedWithWrappedCancellationException(h);
2294	<	}
2295	<	}
2293	>	checkCompletedWithWrappedCancellationException(h0);
2294	>	checkCompletedWithWrappedCancellationException(h1);
2295	>	checkCompletedWithWrappedCancellationException(h2);
2296	>	checkCompletedWithWrappedCancellationException(h3);
2297	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2298	>	}}
2299
2300		public void testApplyToEither_sourceCancelled2() {
2301		for (ExecutionMode m : ExecutionMode.values())
2302		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2303	<	for (Integer v1 : new Integer[] { 1, null }) {
2304	<
2303	>	for (boolean fFirst : new boolean[] { true, false })
2304	>	for (Integer v1 : new Integer[] { 1, null })
2305	>	{
2306		final CompletableFuture<Integer> f = new CompletableFuture<>();
2307		final CompletableFuture<Integer> g = new CompletableFuture<>();
2308	<	final IncFunction r = new IncFunction();
2309	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2308	>	final IncFunction[] rs = new IncFunction[6];
2309	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2310
2311	<	assertTrue(g.cancel(mayInterruptIfRunning));
2312	<	checkCompletedWithWrappedCancellationException(h);
2313	<	f.complete(v1);
2311	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2312	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2313	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2314	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2315	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2316	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2317
2318	<	checkCancelled(g);
2319	<	assertEquals(r.invocationCount, 0);
2320	<	checkCompletedNormally(f, v1);
2321	<	checkCompletedWithWrappedCancellationException(h);
2318	>	// unspecified behavior - both source completions available
2319	>	try {
2320	>	assertEquals(inc(v1), h0.join());
2321	>	rs[0].assertValue(inc(v1));
2322	>	} catch (CompletionException ok) {
2323	>	checkCompletedWithWrappedCancellationException(h0);
2324	>	rs[0].assertNotInvoked();
2325		}
2101	–	}
2102	–
2103	–	public void testApplyToEither_sourceCancelled3() {
2104	–	for (ExecutionMode m : ExecutionMode.values())
2105	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2106	–	for (Integer v1 : new Integer[] { 1, null }) {
2107	–
2108	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2109	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2110	–	final IncFunction r = new IncFunction();
2111	–
2112	–	assertTrue(g.cancel(mayInterruptIfRunning));
2113	–	f.complete(v1);
2114	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2115	–
2116	–	// unspecified behavior
2117	–	Integer v;
2326		try {
2327	<	assertEquals(h.join(), inc(v1));
2328	<	assertEquals(r.invocationCount, 1);
2327	>	assertEquals(inc(v1), h1.join());
2328	>	rs[1].assertValue(inc(v1));
2329		} catch (CompletionException ok) {
2330	<	checkCompletedWithWrappedCancellationException(h);
2331	<	assertEquals(r.invocationCount, 0);
2330	>	checkCompletedWithWrappedCancellationException(h1);
2331	>	rs[1].assertNotInvoked();
2332		}
2333	<
2334	<	checkCancelled(g);
2335	<	checkCompletedNormally(f, v1);
2333	>	try {
2334	>	assertEquals(inc(v1), h2.join());
2335	>	rs[2].assertValue(inc(v1));
2336	>	} catch (CompletionException ok) {
2337	>	checkCompletedWithWrappedCancellationException(h2);
2338	>	rs[2].assertNotInvoked();
2339		}
2129	–	}
2130	–
2131	–	public void testApplyToEither_sourceCancelled4() {
2132	–	for (ExecutionMode m : ExecutionMode.values())
2133	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2134	–	for (Integer v1 : new Integer[] { 1, null }) {
2135	–
2136	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2137	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2138	–	final IncFunction r = new IncFunction();
2139	–
2140	–	assertTrue(f.cancel(mayInterruptIfRunning));
2141	–	g.complete(v1);
2142	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2143	–
2144	–	// unspecified behavior
2145	–	Integer v;
2340		try {
2341	<	assertEquals(h.join(), inc(v1));
2342	<	assertEquals(r.invocationCount, 1);
2341	>	assertEquals(inc(v1), h3.join());
2342	>	rs[3].assertValue(inc(v1));
2343		} catch (CompletionException ok) {
2344	<	checkCompletedWithWrappedCancellationException(h);
2345	<	assertEquals(r.invocationCount, 0);
2344	>	checkCompletedWithWrappedCancellationException(h3);
2345	>	rs[3].assertNotInvoked();
2346		}
2347
2348	<	checkCancelled(f);
2349	<	checkCompletedNormally(g, v1);
2350	<	}
2157	<	}
2348	>	checkCompletedNormally(f, v1);
2349	>	checkCancelled(g);
2350	>	}}
2351
2352		/**
2353	<	* acceptEither result completes normally after normal completion
2161	<	* of either source
2353	>	* applyToEither result completes exceptionally if action does
2354		*/
2355	<	public void testAcceptEither_normalCompletion1() {
2355	>	public void testApplyToEither_actionFailed() {
2356		for (ExecutionMode m : ExecutionMode.values())
2357		for (Integer v1 : new Integer[] { 1, null })
2358	<	for (Integer v2 : new Integer[] { 2, null }) {
2359	<
2358	>	for (Integer v2 : new Integer[] { 2, null })
2359	>	{
2360		final CompletableFuture<Integer> f = new CompletableFuture<>();
2361		final CompletableFuture<Integer> g = new CompletableFuture<>();
2362	<	final IncAction r = new IncAction();
2363	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2362	>	final FailingFunction[] rs = new FailingFunction[6];
2363	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2364
2365	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2366	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2367		f.complete(v1);
2368	<	checkCompletedNormally(h, null);
2369	<	assertEquals(r.value, inc(v1));
2370	<	g.complete(v2);
2368	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2369	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2370	>	checkCompletedWithWrappedCFException(h0);
2371	>	checkCompletedWithWrappedCFException(h1);
2372	>	checkCompletedWithWrappedCFException(h2);
2373	>	checkCompletedWithWrappedCFException(h3);
2374	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2375
2376	<	checkCompletedNormally(f, v1);
2179	<	checkCompletedNormally(g, v2);
2180	<	checkCompletedNormally(h, null);
2181	<	}
2182	<	}
2183	<
2184	<	public void testAcceptEither_normalCompletion2() {
2185	<	for (ExecutionMode m : ExecutionMode.values())
2186	<	for (Integer v1 : new Integer[] { 1, null })
2187	<	for (Integer v2 : new Integer[] { 2, null }) {
2376	>	g.complete(v2);
2377
2378	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2379	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2380	<	final IncAction r = new IncAction();
2192	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2378	>	// unspecified behavior - both source completions available
2379	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2380	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2381
2382	<	g.complete(v2);
2383	<	checkCompletedNormally(h, null);
2384	<	assertEquals(r.value, inc(v2));
2385	<	f.complete(v1);
2382	>	checkCompletedWithWrappedCFException(h4);
2383	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2384	>	Objects.equals(v2, rs[4].value));
2385	>	checkCompletedWithWrappedCFException(h5);
2386	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2387	>	Objects.equals(v2, rs[5].value));
2388
2389		checkCompletedNormally(f, v1);
2390		checkCompletedNormally(g, v2);
2391	<	checkCompletedNormally(h, null);
2392	<	}
2393	<	}
2394	<	public void testAcceptEither_normalCompletion3() {
2391	>	}}
2392	>
2393	>	/**
2394	>	* acceptEither result completes normally after normal completion
2395	>	* of either source
2396	>	*/
2397	>	public void testAcceptEither_normalCompletion() {
2398		for (ExecutionMode m : ExecutionMode.values())
2399		for (Integer v1 : new Integer[] { 1, null })
2400	<	for (Integer v2 : new Integer[] { 2, null }) {
2401	<
2400	>	for (Integer v2 : new Integer[] { 2, null })
2401	>	{
2402		final CompletableFuture<Integer> f = new CompletableFuture<>();
2403		final CompletableFuture<Integer> g = new CompletableFuture<>();
2404	<	final IncAction r = new IncAction();
2405	<
2406	<	f.complete(v1);
2407	<	g.complete(v2);
2408	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2404	>	final NoopConsumer[] rs = new NoopConsumer[6];
2405	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2406	>
2407	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2408	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2409	>	checkIncomplete(h0);
2410	>	checkIncomplete(h1);
2411	>	rs[0].assertNotInvoked();
2412	>	rs[1].assertNotInvoked();
2413	>	f.complete(v1);
2414	>	checkCompletedNormally(h0, null);
2415	>	checkCompletedNormally(h1, null);
2416	>	rs[0].assertValue(v1);
2417	>	rs[1].assertValue(v1);
2418	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2419	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2420	>	checkCompletedNormally(h2, null);
2421	>	checkCompletedNormally(h3, null);
2422	>	rs[2].assertValue(v1);
2423	>	rs[3].assertValue(v1);
2424	>	g.complete(v2);
2425	>
2426	>	// unspecified behavior - both source completions available
2427	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2428	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2429	>	checkCompletedNormally(h4, null);
2430	>	checkCompletedNormally(h5, null);
2431	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2432	>	Objects.equals(v2, rs[4].value));
2433	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2434	>	Objects.equals(v2, rs[5].value));
2435
2217	–	checkCompletedNormally(h, null);
2436		checkCompletedNormally(f, v1);
2437		checkCompletedNormally(g, v2);
2438	<
2439	<	// unspecified behavior
2440	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2441	<	Objects.equals(r.value, inc(v2)));
2442	<	}
2443	<	}
2438	>	checkCompletedNormally(h0, null);
2439	>	checkCompletedNormally(h1, null);
2440	>	checkCompletedNormally(h2, null);
2441	>	checkCompletedNormally(h3, null);
2442	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2443	>	}}
2444
2445		/**
2446		* acceptEither result completes exceptionally after exceptional
2447		* completion of either source
2448		*/
2449	<	public void testAcceptEither_exceptionalCompletion1() {
2449	>	public void testAcceptEither_exceptionalCompletion() {
2450		for (ExecutionMode m : ExecutionMode.values())
2451	<	for (Integer v1 : new Integer[] { 1, null }) {
2452	<
2451	>	for (Integer v1 : new Integer[] { 1, null })
2452	>	{
2453		final CompletableFuture<Integer> f = new CompletableFuture<>();
2454		final CompletableFuture<Integer> g = new CompletableFuture<>();
2237	–	final IncAction r = new IncAction();
2238	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2455		final CFException ex = new CFException();
2456	+	final NoopConsumer[] rs = new NoopConsumer[6];
2457	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2458
2459	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2460	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2461	+	checkIncomplete(h0);
2462	+	checkIncomplete(h1);
2463	+	rs[0].assertNotInvoked();
2464	+	rs[1].assertNotInvoked();
2465		f.completeExceptionally(ex);
2466	<	checkCompletedWithWrappedCFException(h, ex);
2467	<	g.complete(v1);
2466	>	checkCompletedWithWrappedException(h0, ex);
2467	>	checkCompletedWithWrappedException(h1, ex);
2468	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2469	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2470	>	checkCompletedWithWrappedException(h2, ex);
2471	>	checkCompletedWithWrappedException(h3, ex);
2472
2473	<	assertEquals(r.invocationCount, 0);
2246	<	checkCompletedNormally(g, v1);
2247	<	checkCompletedWithWrappedCFException(f, ex);
2248	<	checkCompletedWithWrappedCFException(h, ex);
2249	<	}
2250	<	}
2251	<
2252	<	public void testAcceptEither_exceptionalCompletion2() {
2253	<	for (ExecutionMode m : ExecutionMode.values())
2254	<	for (Integer v1 : new Integer[] { 1, null }) {
2255	<
2256	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2257	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2258	<	final IncAction r = new IncAction();
2259	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2260	<	final CFException ex = new CFException();
2261	<
2262	<	g.completeExceptionally(ex);
2263	<	checkCompletedWithWrappedCFException(h, ex);
2264	<	f.complete(v1);
2473	>	g.complete(v1);
2474
2475	<	assertEquals(r.invocationCount, 0);
2476	<	checkCompletedNormally(f, v1);
2477	<	checkCompletedWithWrappedCFException(g, ex);
2478	<	checkCompletedWithWrappedCFException(h, ex);
2475	>	// unspecified behavior - both source completions available
2476	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2477	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2478	>	try {
2479	>	assertNull(h4.join());
2480	>	rs[4].assertValue(v1);
2481	>	} catch (CompletionException ok) {
2482	>	checkCompletedWithWrappedException(h4, ex);
2483	>	rs[4].assertNotInvoked();
2484		}
2271	–	}
2272	–
2273	–	public void testAcceptEither_exceptionalCompletion3() {
2274	–	for (ExecutionMode m : ExecutionMode.values())
2275	–	for (Integer v1 : new Integer[] { 1, null }) {
2276	–
2277	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2278	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2279	–	final IncAction r = new IncAction();
2280	–	final CFException ex = new CFException();
2281	–
2282	–	g.completeExceptionally(ex);
2283	–	f.complete(v1);
2284	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2285	–
2286	–	// unspecified behavior
2287	–	Integer v;
2485		try {
2486	<	assertEquals(h.join(), null);
2487	<	assertEquals(r.invocationCount, 1);
2291	<	assertEquals(inc(v1), r.value);
2486	>	assertNull(h5.join());
2487	>	rs[5].assertValue(v1);
2488		} catch (CompletionException ok) {
2489	<	checkCompletedWithWrappedCFException(h, ex);
2490	<	assertEquals(r.invocationCount, 0);
2489	>	checkCompletedWithWrappedException(h5, ex);
2490	>	rs[5].assertNotInvoked();
2491		}
2492
2493	<	checkCompletedWithWrappedCFException(g, ex);
2494	<	checkCompletedNormally(f, v1);
2495	<	}
2496	<	}
2493	>	checkCompletedExceptionally(f, ex);
2494	>	checkCompletedNormally(g, v1);
2495	>	checkCompletedWithWrappedException(h0, ex);
2496	>	checkCompletedWithWrappedException(h1, ex);
2497	>	checkCompletedWithWrappedException(h2, ex);
2498	>	checkCompletedWithWrappedException(h3, ex);
2499	>	checkCompletedWithWrappedException(h4, ex);
2500	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2501	>	}}
2502
2503	<	public void testAcceptEither_exceptionalCompletion4() {
2503	>	public void testAcceptEither_exceptionalCompletion2() {
2504		for (ExecutionMode m : ExecutionMode.values())
2505	<	for (Integer v1 : new Integer[] { 1, null }) {
2506	<
2505	>	for (boolean fFirst : new boolean[] { true, false })
2506	>	for (Integer v1 : new Integer[] { 1, null })
2507	>	{
2508		final CompletableFuture<Integer> f = new CompletableFuture<>();
2509		final CompletableFuture<Integer> g = new CompletableFuture<>();
2308	–	final IncAction r = new IncAction();
2510		final CFException ex = new CFException();
2511	+	final NoopConsumer[] rs = new NoopConsumer[6];
2512	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2513
2514	<	f.completeExceptionally(ex);
2515	<	g.complete(v1);
2516	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2514	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2515	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2516	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2517	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2518	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2519	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2520
2521	<	// unspecified behavior
2316	<	Integer v;
2521	>	// unspecified behavior - both source completions available
2522		try {
2523	<	assertEquals(h.join(), null);
2524	<	assertEquals(r.invocationCount, 1);
2320	<	assertEquals(inc(v1), r.value);
2523	>	assertEquals(null, h0.join());
2524	>	rs[0].assertValue(v1);
2525		} catch (CompletionException ok) {
2526	<	checkCompletedWithWrappedCFException(h, ex);
2527	<	assertEquals(r.invocationCount, 0);
2526	>	checkCompletedWithWrappedException(h0, ex);
2527	>	rs[0].assertNotInvoked();
2528		}
2529	<
2530	<	checkCompletedWithWrappedCFException(f, ex);
2531	<	checkCompletedNormally(g, v1);
2529	>	try {
2530	>	assertEquals(null, h1.join());
2531	>	rs[1].assertValue(v1);
2532	>	} catch (CompletionException ok) {
2533	>	checkCompletedWithWrappedException(h1, ex);
2534	>	rs[1].assertNotInvoked();
2535		}
2536	<	}
2537	<
2538	<	/**
2539	<	* acceptEither result completes exceptionally if action does
2540	<	*/
2541	<	public void testAcceptEither_actionFailed1() {
2542	<	for (ExecutionMode m : ExecutionMode.values())
2543	<	for (Integer v1 : new Integer[] { 1, null })
2544	<	for (Integer v2 : new Integer[] { 2, null }) {
2545	<
2546	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2547	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2548	<	final FailingConsumer r = new FailingConsumer();
2342	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2343	<
2344	<	f.complete(v1);
2345	<	checkCompletedWithWrappedCFException(h);
2346	<	g.complete(v2);
2347	<	checkCompletedNormally(f, v1);
2348	<	checkCompletedNormally(g, v2);
2536	>	try {
2537	>	assertEquals(null, h2.join());
2538	>	rs[2].assertValue(v1);
2539	>	} catch (CompletionException ok) {
2540	>	checkCompletedWithWrappedException(h2, ex);
2541	>	rs[2].assertNotInvoked();
2542	>	}
2543	>	try {
2544	>	assertEquals(null, h3.join());
2545	>	rs[3].assertValue(v1);
2546	>	} catch (CompletionException ok) {
2547	>	checkCompletedWithWrappedException(h3, ex);
2548	>	rs[3].assertNotInvoked();
2549		}
2350	–	}
2351	–
2352	–	public void testAcceptEither_actionFailed2() {
2353	–	for (ExecutionMode m : ExecutionMode.values())
2354	–	for (Integer v1 : new Integer[] { 1, null })
2355	–	for (Integer v2 : new Integer[] { 2, null }) {
2356	–
2357	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2358	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2359	–	final FailingConsumer r = new FailingConsumer();
2360	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2550
2362	–	g.complete(v2);
2363	–	checkCompletedWithWrappedCFException(h);
2364	–	f.complete(v1);
2551		checkCompletedNormally(f, v1);
2552	<	checkCompletedNormally(g, v2);
2553	<	}
2368	<	}
2552	>	checkCompletedExceptionally(g, ex);
2553	>	}}
2554
2555		/**
2556		* acceptEither result completes exceptionally if either source cancelled
2557		*/
2558	<	public void testAcceptEither_sourceCancelled1() {
2374	<	for (ExecutionMode m : ExecutionMode.values())
2375	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2376	<	for (Integer v1 : new Integer[] { 1, null }) {
2377	<
2378	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2379	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2380	<	final IncAction r = new IncAction();
2381	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2382	<
2383	<	assertTrue(f.cancel(mayInterruptIfRunning));
2384	<	checkCompletedWithWrappedCancellationException(h);
2385	<	g.complete(v1);
2386	<
2387	<	checkCancelled(f);
2388	<	assertEquals(r.invocationCount, 0);
2389	<	checkCompletedNormally(g, v1);
2390	<	checkCompletedWithWrappedCancellationException(h);
2391	<	}
2392	<	}
2393	<
2394	<	public void testAcceptEither_sourceCancelled2() {
2558	>	public void testAcceptEither_sourceCancelled() {
2559		for (ExecutionMode m : ExecutionMode.values())
2560		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2561	<	for (Integer v1 : new Integer[] { 1, null }) {
2562	<
2561	>	for (Integer v1 : new Integer[] { 1, null })
2562	>	{
2563		final CompletableFuture<Integer> f = new CompletableFuture<>();
2564		final CompletableFuture<Integer> g = new CompletableFuture<>();
2565	<	final IncAction r = new IncAction();
2566	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2565	>	final NoopConsumer[] rs = new NoopConsumer[6];
2566	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2567
2568	<	assertTrue(g.cancel(mayInterruptIfRunning));
2569	<	checkCompletedWithWrappedCancellationException(h);
2570	<	f.complete(v1);
2568	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2569	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2570	>	checkIncomplete(h0);
2571	>	checkIncomplete(h1);
2572	>	rs[0].assertNotInvoked();
2573	>	rs[1].assertNotInvoked();
2574	>	f.cancel(mayInterruptIfRunning);
2575	>	checkCompletedWithWrappedCancellationException(h0);
2576	>	checkCompletedWithWrappedCancellationException(h1);
2577	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2578	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2579	>	checkCompletedWithWrappedCancellationException(h2);
2580	>	checkCompletedWithWrappedCancellationException(h3);
2581
2582	<	checkCancelled(g);
2409	<	assertEquals(r.invocationCount, 0);
2410	<	checkCompletedNormally(f, v1);
2411	<	checkCompletedWithWrappedCancellationException(h);
2412	<	}
2413	<	}
2414	<
2415	<	public void testAcceptEither_sourceCancelled3() {
2416	<	for (ExecutionMode m : ExecutionMode.values())
2417	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2418	<	for (Integer v1 : new Integer[] { 1, null }) {
2419	<
2420	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2421	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2422	<	final IncAction r = new IncAction();
2423	<
2424	<	assertTrue(g.cancel(mayInterruptIfRunning));
2425	<	f.complete(v1);
2426	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2582	>	g.complete(v1);
2583
2584	<	// unspecified behavior
2585	<	Integer v;
2584	>	// unspecified behavior - both source completions available
2585	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2586	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2587		try {
2588	<	assertEquals(h.join(), null);
2589	<	assertEquals(r.invocationCount, 1);
2433	<	assertEquals(inc(v1), r.value);
2588	>	assertNull(h4.join());
2589	>	rs[4].assertValue(v1);
2590		} catch (CompletionException ok) {
2591	<	checkCompletedWithWrappedCancellationException(h);
2592	<	assertEquals(r.invocationCount, 0);
2437	<	}
2438	<
2439	<	checkCancelled(g);
2440	<	checkCompletedNormally(f, v1);
2591	>	checkCompletedWithWrappedCancellationException(h4);
2592	>	rs[4].assertNotInvoked();
2593		}
2442	–	}
2443	–
2444	–	public void testAcceptEither_sourceCancelled4() {
2445	–	for (ExecutionMode m : ExecutionMode.values())
2446	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2447	–	for (Integer v1 : new Integer[] { 1, null }) {
2448	–
2449	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2450	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2451	–	final IncAction r = new IncAction();
2452	–
2453	–	assertTrue(f.cancel(mayInterruptIfRunning));
2454	–	g.complete(v1);
2455	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2456	–
2457	–	// unspecified behavior
2458	–	Integer v;
2594		try {
2595	<	assertEquals(h.join(), null);
2596	<	assertEquals(r.invocationCount, 1);
2462	<	assertEquals(inc(v1), r.value);
2595	>	assertNull(h5.join());
2596	>	rs[5].assertValue(v1);
2597		} catch (CompletionException ok) {
2598	<	checkCompletedWithWrappedCancellationException(h);
2599	<	assertEquals(r.invocationCount, 0);
2598	>	checkCompletedWithWrappedCancellationException(h5);
2599	>	rs[5].assertNotInvoked();
2600		}
2601
2602		checkCancelled(f);
2603		checkCompletedNormally(g, v1);
2604	<	}
2605	<	}
2604	>	checkCompletedWithWrappedCancellationException(h0);
2605	>	checkCompletedWithWrappedCancellationException(h1);
2606	>	checkCompletedWithWrappedCancellationException(h2);
2607	>	checkCompletedWithWrappedCancellationException(h3);
2608	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2609	>	}}
2610
2611		/**
2612	<	* runAfterEither result completes normally after normal completion
2475	<	* of either source
2612	>	* acceptEither result completes exceptionally if action does
2613		*/
2614	<	public void testRunAfterEither_normalCompletion1() {
2614	>	public void testAcceptEither_actionFailed() {
2615		for (ExecutionMode m : ExecutionMode.values())
2616		for (Integer v1 : new Integer[] { 1, null })
2617	<	for (Integer v2 : new Integer[] { 2, null }) {
2618	<
2617	>	for (Integer v2 : new Integer[] { 2, null })
2618	>	{
2619		final CompletableFuture<Integer> f = new CompletableFuture<>();
2620		final CompletableFuture<Integer> g = new CompletableFuture<>();
2621	<	final Noop r = new Noop();
2622	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2621	>	final FailingConsumer[] rs = new FailingConsumer[6];
2622	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2623
2624	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2625	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2626		f.complete(v1);
2627	<	checkCompletedNormally(h, null);
2628	<	assertEquals(r.invocationCount, 1);
2629	<	g.complete(v2);
2630	<
2631	<	checkCompletedNormally(f, v1);
2632	<	checkCompletedNormally(g, v2);
2633	<	checkCompletedNormally(h, null);
2495	<	assertEquals(r.invocationCount, 1);
2496	<	}
2497	<	}
2627	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2628	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2629	>	checkCompletedWithWrappedCFException(h0);
2630	>	checkCompletedWithWrappedCFException(h1);
2631	>	checkCompletedWithWrappedCFException(h2);
2632	>	checkCompletedWithWrappedCFException(h3);
2633	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2634
2635	<	public void testRunAfterEither_normalCompletion2() {
2500	<	for (ExecutionMode m : ExecutionMode.values())
2501	<	for (Integer v1 : new Integer[] { 1, null })
2502	<	for (Integer v2 : new Integer[] { 2, null }) {
2635	>	g.complete(v2);
2636
2637	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2638	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2639	<	final Noop r = new Noop();
2507	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2637	>	// unspecified behavior - both source completions available
2638	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2639	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2640
2641	<	g.complete(v2);
2642	<	checkCompletedNormally(h, null);
2643	<	assertEquals(r.invocationCount, 1);
2644	<	f.complete(v1);
2641	>	checkCompletedWithWrappedCFException(h4);
2642	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2643	>	Objects.equals(v2, rs[4].value));
2644	>	checkCompletedWithWrappedCFException(h5);
2645	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2646	>	Objects.equals(v2, rs[5].value));
2647
2648		checkCompletedNormally(f, v1);
2649		checkCompletedNormally(g, v2);
2650	<	checkCompletedNormally(h, null);
2651	<	assertEquals(r.invocationCount, 1);
2652	<	}
2653	<	}
2654	<	public void testRunAfterEither_normalCompletion3() {
2650	>	}}
2651	>
2652	>	/**
2653	>	* runAfterEither result completes normally after normal completion
2654	>	* of either source
2655	>	*/
2656	>	public void testRunAfterEither_normalCompletion() {
2657		for (ExecutionMode m : ExecutionMode.values())
2658		for (Integer v1 : new Integer[] { 1, null })
2659	<	for (Integer v2 : new Integer[] { 2, null }) {
2660	<
2659	>	for (Integer v2 : new Integer[] { 2, null })
2660	>	{
2661		final CompletableFuture<Integer> f = new CompletableFuture<>();
2662		final CompletableFuture<Integer> g = new CompletableFuture<>();
2663	<	final Noop r = new Noop();
2663	>	final Noop[] rs = new Noop[6];
2664	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2665
2666	+	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2667	+	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2668	+	checkIncomplete(h0);
2669	+	checkIncomplete(h1);
2670	+	rs[0].assertNotInvoked();
2671	+	rs[1].assertNotInvoked();
2672		f.complete(v1);
2673	+	checkCompletedNormally(h0, null);
2674	+	checkCompletedNormally(h1, null);
2675	+	rs[0].assertInvoked();
2676	+	rs[1].assertInvoked();
2677	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2678	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2679	+	checkCompletedNormally(h2, null);
2680	+	checkCompletedNormally(h3, null);
2681	+	rs[2].assertInvoked();
2682	+	rs[3].assertInvoked();
2683	+
2684		g.complete(v2);
2531	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2685
2686	<	checkCompletedNormally(h, null);
2686	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2687	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2688	>
2689		checkCompletedNormally(f, v1);
2690		checkCompletedNormally(g, v2);
2691	<	assertEquals(r.invocationCount, 1);
2692	<	}
2693	<	}
2691	>	checkCompletedNormally(h0, null);
2692	>	checkCompletedNormally(h1, null);
2693	>	checkCompletedNormally(h2, null);
2694	>	checkCompletedNormally(h3, null);
2695	>	checkCompletedNormally(h4, null);
2696	>	checkCompletedNormally(h5, null);
2697	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2698	>	}}
2699
2700		/**
2701		* runAfterEither result completes exceptionally after exceptional
2702		* completion of either source
2703		*/
2704	<	public void testRunAfterEither_exceptionalCompletion1() {
2704	>	public void testRunAfterEither_exceptionalCompletion() {
2705		for (ExecutionMode m : ExecutionMode.values())
2706	<	for (Integer v1 : new Integer[] { 1, null }) {
2707	<
2706	>	for (Integer v1 : new Integer[] { 1, null })
2707	>	{
2708		final CompletableFuture<Integer> f = new CompletableFuture<>();
2709		final CompletableFuture<Integer> g = new CompletableFuture<>();
2550	–	final Noop r = new Noop();
2551	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2710		final CFException ex = new CFException();
2711	+	final Noop[] rs = new Noop[6];
2712	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2713
2714	<	f.completeExceptionally(ex);
2715	<	checkCompletedWithWrappedCFException(h, ex);
2716	<	g.complete(v1);
2717	<
2718	<	assertEquals(r.invocationCount, 0);
2719	<	checkCompletedNormally(g, v1);
2720	<	checkCompletedWithWrappedCFException(f, ex);
2721	<	checkCompletedWithWrappedCFException(h, ex);
2722	<	}
2723	<	}
2714	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2715	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2716	>	checkIncomplete(h0);
2717	>	checkIncomplete(h1);
2718	>	rs[0].assertNotInvoked();
2719	>	rs[1].assertNotInvoked();
2720	>	assertTrue(f.completeExceptionally(ex));
2721	>	checkCompletedWithWrappedException(h0, ex);
2722	>	checkCompletedWithWrappedException(h1, ex);
2723	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2724	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2725	>	checkCompletedWithWrappedException(h2, ex);
2726	>	checkCompletedWithWrappedException(h3, ex);
2727
2728	<	public void testRunAfterEither_exceptionalCompletion2() {
2566	<	for (ExecutionMode m : ExecutionMode.values())
2567	<	for (Integer v1 : new Integer[] { 1, null }) {
2728	>	assertTrue(g.complete(v1));
2729
2730	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2731	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2732	<	final Noop r = new Noop();
2733	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2734	<	final CFException ex = new CFException();
2735	<
2736	<	g.completeExceptionally(ex);
2737	<	checkCompletedWithWrappedCFException(h, ex);
2738	<	f.complete(v1);
2578	<
2579	<	assertEquals(r.invocationCount, 0);
2580	<	checkCompletedNormally(f, v1);
2581	<	checkCompletedWithWrappedCFException(g, ex);
2582	<	checkCompletedWithWrappedCFException(h, ex);
2730	>	// unspecified behavior - both source completions available
2731	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2732	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2733	>	try {
2734	>	assertNull(h4.join());
2735	>	rs[4].assertInvoked();
2736	>	} catch (CompletionException ok) {
2737	>	checkCompletedWithWrappedException(h4, ex);
2738	>	rs[4].assertNotInvoked();
2739		}
2584	–	}
2585	–
2586	–	public void testRunAfterEither_exceptionalCompletion3() {
2587	–	for (ExecutionMode m : ExecutionMode.values())
2588	–	for (Integer v1 : new Integer[] { 1, null }) {
2589	–
2590	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2591	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2592	–	final Noop r = new Noop();
2593	–	final CFException ex = new CFException();
2594	–
2595	–	g.completeExceptionally(ex);
2596	–	f.complete(v1);
2597	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2598	–
2599	–	// unspecified behavior
2600	–	Integer v;
2740		try {
2741	<	assertEquals(h.join(), null);
2742	<	assertEquals(r.invocationCount, 1);
2741	>	assertNull(h5.join());
2742	>	rs[5].assertInvoked();
2743		} catch (CompletionException ok) {
2744	<	checkCompletedWithWrappedCFException(h, ex);
2745	<	assertEquals(r.invocationCount, 0);
2744	>	checkCompletedWithWrappedException(h5, ex);
2745	>	rs[5].assertNotInvoked();
2746		}
2747
2748	<	checkCompletedWithWrappedCFException(g, ex);
2749	<	checkCompletedNormally(f, v1);
2750	<	}
2751	<	}
2748	>	checkCompletedExceptionally(f, ex);
2749	>	checkCompletedNormally(g, v1);
2750	>	checkCompletedWithWrappedException(h0, ex);
2751	>	checkCompletedWithWrappedException(h1, ex);
2752	>	checkCompletedWithWrappedException(h2, ex);
2753	>	checkCompletedWithWrappedException(h3, ex);
2754	>	checkCompletedWithWrappedException(h4, ex);
2755	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2756	>	}}
2757
2758	<	public void testRunAfterEither_exceptionalCompletion4() {
2758	>	public void testRunAfterEither_exceptionalCompletion2() {
2759		for (ExecutionMode m : ExecutionMode.values())
2760	<	for (Integer v1 : new Integer[] { 1, null }) {
2761	<
2760	>	for (boolean fFirst : new boolean[] { true, false })
2761	>	for (Integer v1 : new Integer[] { 1, null })
2762	>	{
2763		final CompletableFuture<Integer> f = new CompletableFuture<>();
2764		final CompletableFuture<Integer> g = new CompletableFuture<>();
2620	–	final Noop r = new Noop();
2765		final CFException ex = new CFException();
2766	+	final Noop[] rs = new Noop[6];
2767	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2768
2769	<	f.completeExceptionally(ex);
2770	<	g.complete(v1);
2771	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2769	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2770	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2771	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2772	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2773	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2774	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2775
2776	<	// unspecified behavior
2628	<	Integer v;
2776	>	// unspecified behavior - both source completions available
2777		try {
2778	<	assertEquals(h.join(), null);
2779	<	assertEquals(r.invocationCount, 1);
2778	>	assertEquals(null, h0.join());
2779	>	rs[0].assertInvoked();
2780		} catch (CompletionException ok) {
2781	<	checkCompletedWithWrappedCFException(h, ex);
2782	<	assertEquals(r.invocationCount, 0);
2781	>	checkCompletedWithWrappedException(h0, ex);
2782	>	rs[0].assertNotInvoked();
2783		}
2784	<
2785	<	checkCompletedWithWrappedCFException(f, ex);
2786	<	checkCompletedNormally(g, v1);
2784	>	try {
2785	>	assertEquals(null, h1.join());
2786	>	rs[1].assertInvoked();
2787	>	} catch (CompletionException ok) {
2788	>	checkCompletedWithWrappedException(h1, ex);
2789	>	rs[1].assertNotInvoked();
2790		}
2791	<	}
2792	<
2793	<	/**
2794	<	* runAfterEither result completes exceptionally if action does
2795	<	*/
2796	<	public void testRunAfterEither_actionFailed1() {
2797	<	for (ExecutionMode m : ExecutionMode.values())
2798	<	for (Integer v1 : new Integer[] { 1, null })
2799	<	for (Integer v2 : new Integer[] { 2, null }) {
2800	<
2801	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2802	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2803	<	final FailingNoop r = new FailingNoop();
2653	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2654	<
2655	<	f.complete(v1);
2656	<	checkCompletedWithWrappedCFException(h);
2657	<	g.complete(v2);
2658	<	checkCompletedNormally(f, v1);
2659	<	checkCompletedNormally(g, v2);
2791	>	try {
2792	>	assertEquals(null, h2.join());
2793	>	rs[2].assertInvoked();
2794	>	} catch (CompletionException ok) {
2795	>	checkCompletedWithWrappedException(h2, ex);
2796	>	rs[2].assertNotInvoked();
2797	>	}
2798	>	try {
2799	>	assertEquals(null, h3.join());
2800	>	rs[3].assertInvoked();
2801	>	} catch (CompletionException ok) {
2802	>	checkCompletedWithWrappedException(h3, ex);
2803	>	rs[3].assertNotInvoked();
2804		}
2661	–	}
2662	–
2663	–	public void testRunAfterEither_actionFailed2() {
2664	–	for (ExecutionMode m : ExecutionMode.values())
2665	–	for (Integer v1 : new Integer[] { 1, null })
2666	–	for (Integer v2 : new Integer[] { 2, null }) {
2667	–
2668	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2669	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2670	–	final FailingNoop r = new FailingNoop();
2671	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2805
2673	–	g.complete(v2);
2674	–	checkCompletedWithWrappedCFException(h);
2675	–	f.complete(v1);
2806		checkCompletedNormally(f, v1);
2807	<	checkCompletedNormally(g, v2);
2808	<	}
2679	<	}
2807	>	checkCompletedExceptionally(g, ex);
2808	>	}}
2809
2810		/**
2811		* runAfterEither result completes exceptionally if either source cancelled
2812		*/
2813	<	public void testRunAfterEither_sourceCancelled1() {
2813	>	public void testRunAfterEither_sourceCancelled() {
2814		for (ExecutionMode m : ExecutionMode.values())
2815		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2816	<	for (Integer v1 : new Integer[] { 1, null }) {
2817	<
2816	>	for (Integer v1 : new Integer[] { 1, null })
2817	>	{
2818		final CompletableFuture<Integer> f = new CompletableFuture<>();
2819		final CompletableFuture<Integer> g = new CompletableFuture<>();
2820	<	final Noop r = new Noop();
2821	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2693	<
2694	<	assertTrue(f.cancel(mayInterruptIfRunning));
2695	<	checkCompletedWithWrappedCancellationException(h);
2696	<	g.complete(v1);
2697	<
2698	<	checkCancelled(f);
2699	<	assertEquals(r.invocationCount, 0);
2700	<	checkCompletedNormally(g, v1);
2701	<	checkCompletedWithWrappedCancellationException(h);
2702	<	}
2703	<	}
2704	<
2705	<	public void testRunAfterEither_sourceCancelled2() {
2706	<	for (ExecutionMode m : ExecutionMode.values())
2707	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2708	<	for (Integer v1 : new Integer[] { 1, null }) {
2820	>	final Noop[] rs = new Noop[6];
2821	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2822
2823	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2824	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2825	<	final Noop r = new Noop();
2826	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2823	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2824	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2825	>	checkIncomplete(h0);
2826	>	checkIncomplete(h1);
2827	>	rs[0].assertNotInvoked();
2828	>	rs[1].assertNotInvoked();
2829	>	f.cancel(mayInterruptIfRunning);
2830	>	checkCompletedWithWrappedCancellationException(h0);
2831	>	checkCompletedWithWrappedCancellationException(h1);
2832	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2833	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2834	>	checkCompletedWithWrappedCancellationException(h2);
2835	>	checkCompletedWithWrappedCancellationException(h3);
2836
2837	<	assertTrue(g.cancel(mayInterruptIfRunning));
2716	<	checkCompletedWithWrappedCancellationException(h);
2717	<	f.complete(v1);
2837	>	assertTrue(g.complete(v1));
2838
2839	<	checkCancelled(g);
2840	<	assertEquals(r.invocationCount, 0);
2841	<	checkCompletedNormally(f, v1);
2842	<	checkCompletedWithWrappedCancellationException(h);
2839	>	// unspecified behavior - both source completions available
2840	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2841	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2842	>	try {
2843	>	assertNull(h4.join());
2844	>	rs[4].assertInvoked();
2845	>	} catch (CompletionException ok) {
2846	>	checkCompletedWithWrappedCancellationException(h4);
2847	>	rs[4].assertNotInvoked();
2848		}
2724	–	}
2725	–
2726	–	public void testRunAfterEither_sourceCancelled3() {
2727	–	for (ExecutionMode m : ExecutionMode.values())
2728	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2729	–	for (Integer v1 : new Integer[] { 1, null }) {
2730	–
2731	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2732	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2733	–	final Noop r = new Noop();
2734	–
2735	–	assertTrue(g.cancel(mayInterruptIfRunning));
2736	–	f.complete(v1);
2737	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2738	–
2739	–	// unspecified behavior
2740	–	Integer v;
2849		try {
2850	<	assertEquals(h.join(), null);
2851	<	assertEquals(r.invocationCount, 1);
2850	>	assertNull(h5.join());
2851	>	rs[5].assertInvoked();
2852		} catch (CompletionException ok) {
2853	<	checkCompletedWithWrappedCancellationException(h);
2854	<	assertEquals(r.invocationCount, 0);
2853	>	checkCompletedWithWrappedCancellationException(h5);
2854	>	rs[5].assertNotInvoked();
2855		}
2856
2857	<	checkCancelled(g);
2858	<	checkCompletedNormally(f, v1);
2859	<	}
2860	<	}
2857	>	checkCancelled(f);
2858	>	checkCompletedNormally(g, v1);
2859	>	checkCompletedWithWrappedCancellationException(h0);
2860	>	checkCompletedWithWrappedCancellationException(h1);
2861	>	checkCompletedWithWrappedCancellationException(h2);
2862	>	checkCompletedWithWrappedCancellationException(h3);
2863	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2864	>	}}
2865
2866	<	public void testRunAfterEither_sourceCancelled4() {
2866	>	/**
2867	>	* runAfterEither result completes exceptionally if action does
2868	>	*/
2869	>	public void testRunAfterEither_actionFailed() {
2870		for (ExecutionMode m : ExecutionMode.values())
2871	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2872	<	for (Integer v1 : new Integer[] { 1, null }) {
2873	<
2871	>	for (Integer v1 : new Integer[] { 1, null })
2872	>	for (Integer v2 : new Integer[] { 2, null })
2873	>	{
2874		final CompletableFuture<Integer> f = new CompletableFuture<>();
2875		final CompletableFuture<Integer> g = new CompletableFuture<>();
2876	<	final Noop r = new Noop();
2877	<
2763	<	assertTrue(f.cancel(mayInterruptIfRunning));
2764	<	g.complete(v1);
2765	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2876	>	final FailingRunnable[] rs = new FailingRunnable[6];
2877	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2878
2879	<	// unspecified behavior
2880	<	Integer v;
2881	<	try {
2882	<	assertEquals(h.join(), null);
2883	<	assertEquals(r.invocationCount, 1);
2884	<	} catch (CompletionException ok) {
2885	<	checkCompletedWithWrappedCancellationException(h);
2886	<	assertEquals(r.invocationCount, 0);
2887	<	}
2879	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2880	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2881	>	assertTrue(f.complete(v1));
2882	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2883	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2884	>	checkCompletedWithWrappedCFException(h0);
2885	>	checkCompletedWithWrappedCFException(h1);
2886	>	checkCompletedWithWrappedCFException(h2);
2887	>	checkCompletedWithWrappedCFException(h3);
2888	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2889	>	assertTrue(g.complete(v2));
2890	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2891	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2892	>	checkCompletedWithWrappedCFException(h4);
2893	>	checkCompletedWithWrappedCFException(h5);
2894
2895	<	checkCancelled(f);
2896	<	checkCompletedNormally(g, v1);
2897	<	}
2898	<	}
2895	>	checkCompletedNormally(f, v1);
2896	>	checkCompletedNormally(g, v2);
2897	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2898	>	}}
2899
2900		/**
2901		* thenCompose result completes normally after normal completion of source
2902		*/
2903	<	public void testThenCompose() {
2904	<	CompletableFuture<Integer> f, g;
2905	<	CompletableFutureInc r;
2906	<
2907	<	f = new CompletableFuture<>();
2908	<	g = f.thenCompose(r = new CompletableFutureInc());
2909	<	f.complete(one);
2910	<	checkCompletedNormally(g, two);
2911	<	assertTrue(r.ran);
2903	>	public void testThenCompose_normalCompletion() {
2904	>	for (ExecutionMode m : ExecutionMode.values())
2905	>	for (boolean createIncomplete : new boolean[] { true, false })
2906	>	for (Integer v1 : new Integer[] { 1, null })
2907	>	{
2908	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2909	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2910	>	if (!createIncomplete) assertTrue(f.complete(v1));
2911	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2912	>	if (createIncomplete) assertTrue(f.complete(v1));
2913
2914	<	f = new CompletableFuture<>();
2915	<	f.complete(one);
2916	<	g = f.thenCompose(r = new CompletableFutureInc());
2917	<	checkCompletedNormally(g, two);
2799	<	assertTrue(r.ran);
2800	<	}
2914	>	checkCompletedNormally(g, inc(v1));
2915	>	checkCompletedNormally(f, v1);
2916	>	r.assertValue(v1);
2917	>	}}
2918
2919		/**
2920		* thenCompose result completes exceptionally after exceptional
2921		* completion of source
2922		*/
2923	<	public void testThenCompose2() {
2924	<	CompletableFuture<Integer> f, g;
2925	<	CompletableFutureInc r;
2926	<
2927	<	f = new CompletableFuture<>();
2928	<	g = f.thenCompose(r = new CompletableFutureInc());
2929	<	f.completeExceptionally(new CFException());
2930	<	checkCompletedWithWrappedCFException(g);
2923	>	public void testThenCompose_exceptionalCompletion() {
2924	>	for (ExecutionMode m : ExecutionMode.values())
2925	>	for (boolean createIncomplete : new boolean[] { true, false })
2926	>	{
2927	>	final CFException ex = new CFException();
2928	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2929	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2930	>	if (!createIncomplete) f.completeExceptionally(ex);
2931	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2932	>	if (createIncomplete) f.completeExceptionally(ex);
2933
2934	<	f = new CompletableFuture<>();
2935	<	f.completeExceptionally(new CFException());
2936	<	g = f.thenCompose(r = new CompletableFutureInc());
2937	<	checkCompletedWithWrappedCFException(g);
2819	<	}
2934	>	checkCompletedWithWrappedException(g, ex);
2935	>	checkCompletedExceptionally(f, ex);
2936	>	r.assertNotInvoked();
2937	>	}}
2938
2939		/**
2940		* thenCompose result completes exceptionally if action does
2941		*/
2942	<	public void testThenCompose3() {
2943	<	CompletableFuture<Integer> f, g;
2944	<	FailingCompletableFutureFunction r;
2945	<
2946	<	f = new CompletableFuture<>();
2947	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2948	<	f.complete(one);
2949	<	checkCompletedWithWrappedCFException(g);
2942	>	public void testThenCompose_actionFailed() {
2943	>	for (ExecutionMode m : ExecutionMode.values())
2944	>	for (boolean createIncomplete : new boolean[] { true, false })
2945	>	for (Integer v1 : new Integer[] { 1, null })
2946	>	{
2947	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2948	>	final FailingCompletableFutureFunction r
2949	>	= new FailingCompletableFutureFunction(m);
2950	>	if (!createIncomplete) assertTrue(f.complete(v1));
2951	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2952	>	if (createIncomplete) assertTrue(f.complete(v1));
2953
2833	–	f = new CompletableFuture<>();
2834	–	f.complete(one);
2835	–	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2954		checkCompletedWithWrappedCFException(g);
2955	<	}
2955	>	checkCompletedNormally(f, v1);
2956	>	}}
2957
2958		/**
2959		* thenCompose result completes exceptionally if source cancelled
2960		*/
2961	<	public void testThenCompose4() {
2962	<	CompletableFuture<Integer> f, g;
2963	<	CompletableFutureInc r;
2964	<
2965	<	f = new CompletableFuture<>();
2966	<	g = f.thenCompose(r = new CompletableFutureInc());
2967	<	assertTrue(f.cancel(true));
2968	<	checkCompletedWithWrappedCancellationException(g);
2969	<
2970	<	f = new CompletableFuture<>();
2971	<	assertTrue(f.cancel(true));
2972	<	g = f.thenCompose(r = new CompletableFutureInc());
2973	<	checkCompletedWithWrappedCancellationException(g);
2855	<	}
2856	<
2857	<	// asyncs
2858	<
2859	<	/**
2860	<	* thenRunAsync result completes normally after normal completion of source
2861	<	*/
2862	<	public void testThenRunAsync() {
2863	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2864	<	Noop r = new Noop();
2865	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2866	<	f.complete(null);
2867	<	checkCompletedNormally(g, null);
2868	<
2869	<	// reordered version
2870	<	f = new CompletableFuture<>();
2871	<	f.complete(null);
2872	<	r = new Noop();
2873	<	g = f.thenRunAsync(r);
2874	<	checkCompletedNormally(g, null);
2875	<	}
2876	<
2877	<	/**
2878	<	* thenRunAsync result completes exceptionally after exceptional
2879	<	* completion of source
2880	<	*/
2881	<	public void testThenRunAsync2() {
2882	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2883	<	Noop r = new Noop();
2884	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2885	<	f.completeExceptionally(new CFException());
2886	<	try {
2887	<	g.join();
2888	<	shouldThrow();
2889	<	} catch (CompletionException success) {}
2890	<	checkCompletedWithWrappedCFException(g);
2891	<	}
2892	<
2893	<	/**
2894	<	* thenRunAsync result completes exceptionally if action does
2895	<	*/
2896	<	public void testThenRunAsync3() {
2897	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2898	<	FailingNoop r = new FailingNoop();
2899	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2900	<	f.complete(null);
2901	<	checkCompletedWithWrappedCFException(g);
2902	<	}
2903	<
2904	<	/**
2905	<	* thenRunAsync result completes exceptionally if source cancelled
2906	<	*/
2907	<	public void testThenRunAsync4() {
2908	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2909	<	Noop r = new Noop();
2910	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2911	<	assertTrue(f.cancel(true));
2912	<	checkCompletedWithWrappedCancellationException(g);
2913	<	}
2914	<
2915	<	/**
2916	<	* thenApplyAsync result completes normally after normal completion of source
2917	<	*/
2918	<	public void testThenApplyAsync() {
2919	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2920	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2921	<	f.complete(one);
2922	<	checkCompletedNormally(g, two);
2923	<	}
2924	<
2925	<	/**
2926	<	* thenApplyAsync result completes exceptionally after exceptional
2927	<	* completion of source
2928	<	*/
2929	<	public void testThenApplyAsync2() {
2930	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2931	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2932	<	f.completeExceptionally(new CFException());
2933	<	checkCompletedWithWrappedCFException(g);
2934	<	}
2935	<
2936	<	/**
2937	<	* thenApplyAsync result completes exceptionally if action does
2938	<	*/
2939	<	public void testThenApplyAsync3() {
2940	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2941	<	FailingFunction r = new FailingFunction();
2942	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
2943	<	f.complete(null);
2944	<	checkCompletedWithWrappedCFException(g);
2945	<	}
2946	<
2947	<	/**
2948	<	* thenApplyAsync result completes exceptionally if source cancelled
2949	<	*/
2950	<	public void testThenApplyAsync4() {
2951	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2952	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2953	<	assertTrue(f.cancel(true));
2954	<	checkCompletedWithWrappedCancellationException(g);
2955	<	}
2956	<
2957	<	/**
2958	<	* thenAcceptAsync result completes normally after normal
2959	<	* completion of source
2960	<	*/
2961	<	public void testThenAcceptAsync() {
2962	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2963	<	IncAction r = new IncAction();
2964	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2965	<	f.complete(one);
2966	<	checkCompletedNormally(g, null);
2967	<	assertEquals(r.value, (Integer) 2);
2968	<	}
2969	<
2970	<	/**
2971	<	* thenAcceptAsync result completes exceptionally after exceptional
2972	<	* completion of source
2973	<	*/
2974	<	public void testThenAcceptAsync2() {
2975	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2976	<	IncAction r = new IncAction();
2977	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2978	<	f.completeExceptionally(new CFException());
2979	<	checkCompletedWithWrappedCFException(g);
2980	<	}
2981	<
2982	<	/**
2983	<	* thenAcceptAsync result completes exceptionally if action does
2984	<	*/
2985	<	public void testThenAcceptAsync3() {
2986	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2987	<	FailingConsumer r = new FailingConsumer();
2988	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2989	<	f.complete(null);
2990	<	checkCompletedWithWrappedCFException(g);
2991	<	}
2992	<
2993	<	/**
2994	<	* thenAcceptAsync result completes exceptionally if source cancelled
2995	<	*/
2996	<	public void testThenAcceptAsync4() {
2997	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2998	<	IncAction r = new IncAction();
2999	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3000	<	assertTrue(f.cancel(true));
3001	<	checkCompletedWithWrappedCancellationException(g);
3002	<	}
3003	<
3004	<	/**
3005	<	* thenComposeAsync result completes normally after normal
3006	<	* completion of source
3007	<	*/
3008	<	public void testThenComposeAsync() {
3009	<	CompletableFuture<Integer> f, g;
3010	<	CompletableFutureInc r;
3011	<
3012	<	f = new CompletableFuture<>();
3013	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3014	<	f.complete(one);
3015	<	checkCompletedNormally(g, two);
3016	<
3017	<	f = new CompletableFuture<>();
3018	<	f.complete(one);
3019	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3020	<	checkCompletedNormally(g, two);
3021	<	}
3022	<
3023	<	/**
3024	<	* thenComposeAsync result completes exceptionally after
3025	<	* exceptional completion of source
3026	<	*/
3027	<	public void testThenComposeAsync2() {
3028	<	CompletableFuture<Integer> f, g;
3029	<	CompletableFutureInc r;
3030	<
3031	<	f = new CompletableFuture<>();
3032	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3033	<	f.completeExceptionally(new CFException());
3034	<	checkCompletedWithWrappedCFException(g);
3035	<	assertFalse(r.ran);
3036	<
3037	<	f = new CompletableFuture<>();
3038	<	f.completeExceptionally(new CFException());
3039	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3040	<	checkCompletedWithWrappedCFException(g);
3041	<	assertFalse(r.ran);
3042	<	}
3043	<
3044	<	/**
3045	<	* thenComposeAsync result completes exceptionally if action does
3046	<	*/
3047	<	public void testThenComposeAsync3() {
3048	<	CompletableFuture<Integer> f, g;
3049	<	FailingCompletableFutureFunction r;
3050	<
3051	<	f = new CompletableFuture<>();
3052	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
3053	<	f.complete(one);
3054	<	checkCompletedWithWrappedCFException(g);
3055	<
3056	<	f = new CompletableFuture<>();
3057	<	f.complete(one);
3058	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
3059	<	checkCompletedWithWrappedCFException(g);
3060	<	}
3061	<
3062	<	/**
3063	<	* thenComposeAsync result completes exceptionally if source cancelled
3064	<	*/
3065	<	public void testThenComposeAsync4() {
3066	<	CompletableFuture<Integer> f, g;
3067	<	CompletableFutureInc r;
3068	<
3069	<	f = new CompletableFuture<>();
3070	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3071	<	assertTrue(f.cancel(true));
3072	<	checkCompletedWithWrappedCancellationException(g);
3073	<
3074	<	f = new CompletableFuture<>();
3075	<	assertTrue(f.cancel(true));
3076	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3077	<	checkCompletedWithWrappedCancellationException(g);
3078	<	}
3079	<
3080	<	// async with explicit executors
3081	<
3082	<	/**
3083	<	* thenRunAsync result completes normally after normal completion of source
3084	<	*/
3085	<	public void testThenRunAsyncE() {
3086	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3087	<	Noop r = new Noop();
3088	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3089	<	f.complete(null);
3090	<	checkCompletedNormally(g, null);
3091	<
3092	<	// reordered version
3093	<	f = new CompletableFuture<>();
3094	<	f.complete(null);
3095	<	r = new Noop();
3096	<	g = f.thenRunAsync(r, new ThreadExecutor());
3097	<	checkCompletedNormally(g, null);
3098	<	}
3099	<
3100	<	/**
3101	<	* thenRunAsync result completes exceptionally after exceptional
3102	<	* completion of source
3103	<	*/
3104	<	public void testThenRunAsync2E() {
3105	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3106	<	Noop r = new Noop();
3107	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3108	<	f.completeExceptionally(new CFException());
3109	<	try {
3110	<	g.join();
3111	<	shouldThrow();
3112	<	} catch (CompletionException success) {}
3113	<	checkCompletedWithWrappedCFException(g);
3114	<	}
3115	<
3116	<	/**
3117	<	* thenRunAsync result completes exceptionally if action does
3118	<	*/
3119	<	public void testThenRunAsync3E() {
3120	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3121	<	FailingNoop r = new FailingNoop();
3122	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3123	<	f.complete(null);
3124	<	checkCompletedWithWrappedCFException(g);
3125	<	}
3126	<
3127	<	/**
3128	<	* thenRunAsync result completes exceptionally if source cancelled
3129	<	*/
3130	<	public void testThenRunAsync4E() {
3131	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3132	<	Noop r = new Noop();
3133	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3134	<	assertTrue(f.cancel(true));
3135	<	checkCompletedWithWrappedCancellationException(g);
3136	<	}
3137	<
3138	<	/**
3139	<	* thenApplyAsync result completes normally after normal completion of source
3140	<	*/
3141	<	public void testThenApplyAsyncE() {
3142	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3143	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3144	<	f.complete(one);
3145	<	checkCompletedNormally(g, two);
3146	<	}
3147	<
3148	<	/**
3149	<	* thenApplyAsync result completes exceptionally after exceptional
3150	<	* completion of source
3151	<	*/
3152	<	public void testThenApplyAsync2E() {
3153	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3154	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3155	<	f.completeExceptionally(new CFException());
3156	<	checkCompletedWithWrappedCFException(g);
3157	<	}
3158	<
3159	<	/**
3160	<	* thenApplyAsync result completes exceptionally if action does
3161	<	*/
3162	<	public void testThenApplyAsync3E() {
3163	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3164	<	FailingFunction r = new FailingFunction();
3165	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3166	<	f.complete(null);
3167	<	checkCompletedWithWrappedCFException(g);
3168	<	}
3169	<
3170	<	/**
3171	<	* thenApplyAsync result completes exceptionally if source cancelled
3172	<	*/
3173	<	public void testThenApplyAsync4E() {
3174	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3175	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3176	<	assertTrue(f.cancel(true));
3177	<	checkCompletedWithWrappedCancellationException(g);
3178	<	}
3179	<
3180	<	/**
3181	<	* thenAcceptAsync result completes normally after normal
3182	<	* completion of source
3183	<	*/
3184	<	public void testThenAcceptAsyncE() {
3185	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3186	<	IncAction r = new IncAction();
3187	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3188	<	f.complete(one);
3189	<	checkCompletedNormally(g, null);
3190	<	assertEquals(r.value, (Integer) 2);
3191	<	}
3192	<
3193	<	/**
3194	<	* thenAcceptAsync result completes exceptionally after exceptional
3195	<	* completion of source
3196	<	*/
3197	<	public void testThenAcceptAsync2E() {
3198	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3199	<	IncAction r = new IncAction();
3200	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3201	<	f.completeExceptionally(new CFException());
3202	<	checkCompletedWithWrappedCFException(g);
3203	<	}
3204	<
3205	<	/**
3206	<	* thenAcceptAsync result completes exceptionally if action does
3207	<	*/
3208	<	public void testThenAcceptAsync3E() {
3209	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3210	<	FailingConsumer r = new FailingConsumer();
3211	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3212	<	f.complete(null);
3213	<	checkCompletedWithWrappedCFException(g);
3214	<	}
2961	>	public void testThenCompose_sourceCancelled() {
2962	>	for (ExecutionMode m : ExecutionMode.values())
2963	>	for (boolean createIncomplete : new boolean[] { true, false })
2964	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2965	>	{
2966	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2967	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2968	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2969	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2970	>	if (createIncomplete) {
2971	>	checkIncomplete(g);
2972	>	assertTrue(f.cancel(mayInterruptIfRunning));
2973	>	}
2974
3216	–	/**
3217	–	* thenAcceptAsync result completes exceptionally if source cancelled
3218	–	*/
3219	–	public void testThenAcceptAsync4E() {
3220	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3221	–	IncAction r = new IncAction();
3222	–	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3223	–	assertTrue(f.cancel(true));
2975		checkCompletedWithWrappedCancellationException(g);
2976	<	}
2977	<
3227	<	/**
3228	<	* thenComposeAsync result completes normally after normal
3229	<	* completion of source
3230	<	*/
3231	<	public void testThenComposeAsyncE() {
3232	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3233	<	CompletableFutureInc r = new CompletableFutureInc();
3234	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3235	<	f.complete(one);
3236	<	checkCompletedNormally(g, two);
3237	<	}
3238	<
3239	<	/**
3240	<	* thenComposeAsync result completes exceptionally after
3241	<	* exceptional completion of source
3242	<	*/
3243	<	public void testThenComposeAsync2E() {
3244	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3245	<	CompletableFutureInc r = new CompletableFutureInc();
3246	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3247	<	f.completeExceptionally(new CFException());
3248	<	checkCompletedWithWrappedCFException(g);
3249	<	}
2976	>	checkCancelled(f);
2977	>	}}
2978
2979		/**
2980	<	* thenComposeAsync result completes exceptionally if action does
2980	>	* thenCompose result completes exceptionally if the result of the action does
2981		*/
2982	<	public void testThenComposeAsync3E() {
2983	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2984	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2985	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2986	<	f.complete(one);
2987	<	checkCompletedWithWrappedCFException(g);
2988	<	}
2982	>	public void testThenCompose_actionReturnsFailingFuture() {
2983	>	for (ExecutionMode m : ExecutionMode.values())
2984	>	for (int order = 0; order < 6; order++)
2985	>	for (Integer v1 : new Integer[] { 1, null })
2986	>	{
2987	>	final CFException ex = new CFException();
2988	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2989	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2990	>	final CompletableFuture<Integer> h;
2991	>	// Test all permutations of orders
2992	>	switch (order) {
2993	>	case 0:
2994	>	assertTrue(f.complete(v1));
2995	>	assertTrue(g.completeExceptionally(ex));
2996	>	h = m.thenCompose(f, (x -> g));
2997	>	break;
2998	>	case 1:
2999	>	assertTrue(f.complete(v1));
3000	>	h = m.thenCompose(f, (x -> g));
3001	>	assertTrue(g.completeExceptionally(ex));
3002	>	break;
3003	>	case 2:
3004	>	assertTrue(g.completeExceptionally(ex));
3005	>	assertTrue(f.complete(v1));
3006	>	h = m.thenCompose(f, (x -> g));
3007	>	break;
3008	>	case 3:
3009	>	assertTrue(g.completeExceptionally(ex));
3010	>	h = m.thenCompose(f, (x -> g));
3011	>	assertTrue(f.complete(v1));
3012	>	break;
3013	>	case 4:
3014	>	h = m.thenCompose(f, (x -> g));
3015	>	assertTrue(f.complete(v1));
3016	>	assertTrue(g.completeExceptionally(ex));
3017	>	break;
3018	>	case 5:
3019	>	h = m.thenCompose(f, (x -> g));
3020	>	assertTrue(f.complete(v1));
3021	>	assertTrue(g.completeExceptionally(ex));
3022	>	break;
3023	>	default: throw new AssertionError();
3024	>	}
3025
3026	<	/**
3027	<	* thenComposeAsync result completes exceptionally if source cancelled
3028	<	*/
3029	<	public void testThenComposeAsync4E() {
3266	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3267	<	CompletableFutureInc r = new CompletableFutureInc();
3268	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3269	<	assertTrue(f.cancel(true));
3270	<	checkCompletedWithWrappedCancellationException(g);
3271	<	}
3026	>	checkCompletedExceptionally(g, ex);
3027	>	checkCompletedWithWrappedException(h, ex);
3028	>	checkCompletedNormally(f, v1);
3029	>	}}
3030
3031		// other static methods
3032
#	Line 3286 | Line 3044 | public class CompletableFutureTest exten
3044		* when all components complete normally
3045		*/
3046		public void testAllOf_normal() throws Exception {
3047	<	for (int k = 1; k < 20; ++k) {
3048	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3049	<	for (int i = 0; i < k; ++i)
3047	>	for (int k = 1; k < 10; k++) {
3048	>	CompletableFuture<Integer>[] fs
3049	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3050	>	for (int i = 0; i < k; i++)
3051		fs[i] = new CompletableFuture<>();
3052		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3053	<	for (int i = 0; i < k; ++i) {
3053	>	for (int i = 0; i < k; i++) {
3054		checkIncomplete(f);
3055		checkIncomplete(CompletableFuture.allOf(fs));
3056		fs[i].complete(one);
#	Line 3301 | Line 3060 | public class CompletableFutureTest exten
3060		}
3061		}
3062
3063	+	public void testAllOf_backwards() throws Exception {
3064	+	for (int k = 1; k < 10; k++) {
3065	+	CompletableFuture<Integer>[] fs
3066	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3067	+	for (int i = 0; i < k; i++)
3068	+	fs[i] = new CompletableFuture<>();
3069	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3070	+	for (int i = k - 1; i >= 0; i--) {
3071	+	checkIncomplete(f);
3072	+	checkIncomplete(CompletableFuture.allOf(fs));
3073	+	fs[i].complete(one);
3074	+	}
3075	+	checkCompletedNormally(f, null);
3076	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3077	+	}
3078	+	}
3079	+
3080	+	public void testAllOf_exceptional() throws Exception {
3081	+	for (int k = 1; k < 10; k++) {
3082	+	CompletableFuture<Integer>[] fs
3083	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3084	+	CFException ex = new CFException();
3085	+	for (int i = 0; i < k; i++)
3086	+	fs[i] = new CompletableFuture<>();
3087	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3088	+	for (int i = 0; i < k; i++) {
3089	+	checkIncomplete(f);
3090	+	checkIncomplete(CompletableFuture.allOf(fs));
3091	+	if (i != k / 2) {
3092	+	fs[i].complete(i);
3093	+	checkCompletedNormally(fs[i], i);
3094	+	} else {
3095	+	fs[i].completeExceptionally(ex);
3096	+	checkCompletedExceptionally(fs[i], ex);
3097	+	}
3098	+	}
3099	+	checkCompletedWithWrappedException(f, ex);
3100	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3101	+	}
3102	+	}
3103	+
3104		/**
3105		* anyOf(no component futures) returns an incomplete future
3106		*/
3107		public void testAnyOf_empty() throws Exception {
3108	+	for (Integer v1 : new Integer[] { 1, null })
3109	+	{
3110		CompletableFuture<Object> f = CompletableFuture.anyOf();
3111		checkIncomplete(f);
3112	<	}
3112	>
3113	>	f.complete(v1);
3114	>	checkCompletedNormally(f, v1);
3115	>	}}
3116
3117		/**
3118		* anyOf returns a future completed normally with a value when
3119		* a component future does
3120		*/
3121		public void testAnyOf_normal() throws Exception {
3122	<	for (int k = 0; k < 10; ++k) {
3122	>	for (int k = 0; k < 10; k++) {
3123		CompletableFuture[] fs = new CompletableFuture[k];
3124	<	for (int i = 0; i < k; ++i)
3124	>	for (int i = 0; i < k; i++)
3125		fs[i] = new CompletableFuture<>();
3126		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3127		checkIncomplete(f);
3128	<	for (int i = 0; i < k; ++i) {
3129	<	fs[i].complete(one);
3130	<	checkCompletedNormally(f, one);
3131	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3128	>	for (int i = 0; i < k; i++) {
3129	>	fs[i].complete(i);
3130	>	checkCompletedNormally(f, 0);
3131	>	int x = (int) CompletableFuture.anyOf(fs).join();
3132	>	assertTrue(0 <= x && x <= i);
3133	>	}
3134	>	}
3135	>	}
3136	>	public void testAnyOf_normal_backwards() throws Exception {
3137	>	for (int k = 0; k < 10; k++) {
3138	>	CompletableFuture[] fs = new CompletableFuture[k];
3139	>	for (int i = 0; i < k; i++)
3140	>	fs[i] = new CompletableFuture<>();
3141	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3142	>	checkIncomplete(f);
3143	>	for (int i = k - 1; i >= 0; i--) {
3144	>	fs[i].complete(i);
3145	>	checkCompletedNormally(f, k - 1);
3146	>	int x = (int) CompletableFuture.anyOf(fs).join();
3147	>	assertTrue(i <= x && x <= k - 1);
3148		}
3149		}
3150		}
#	Line 3332 | Line 3153 | public class CompletableFutureTest exten
3153		* anyOf result completes exceptionally when any component does.
3154		*/
3155		public void testAnyOf_exceptional() throws Exception {
3156	<	for (int k = 0; k < 10; ++k) {
3156	>	for (int k = 0; k < 10; k++) {
3157	>	CompletableFuture[] fs = new CompletableFuture[k];
3158	>	CFException[] exs = new CFException[k];
3159	>	for (int i = 0; i < k; i++) {
3160	>	fs[i] = new CompletableFuture<>();
3161	>	exs[i] = new CFException();
3162	>	}
3163	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3164	>	checkIncomplete(f);
3165	>	for (int i = 0; i < k; i++) {
3166	>	fs[i].completeExceptionally(exs[i]);
3167	>	checkCompletedWithWrappedException(f, exs[0]);
3168	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3169	>	}
3170	>	}
3171	>	}
3172	>
3173	>	public void testAnyOf_exceptional_backwards() throws Exception {
3174	>	for (int k = 0; k < 10; k++) {
3175		CompletableFuture[] fs = new CompletableFuture[k];
3176	<	for (int i = 0; i < k; ++i)
3176	>	CFException[] exs = new CFException[k];
3177	>	for (int i = 0; i < k; i++) {
3178		fs[i] = new CompletableFuture<>();
3179	+	exs[i] = new CFException();
3180	+	}
3181		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3182		checkIncomplete(f);
3183	<	for (int i = 0; i < k; ++i) {
3184	<	fs[i].completeExceptionally(new CFException());
3185	<	checkCompletedWithWrappedCFException(f);
3183	>	for (int i = k - 1; i >= 0; i--) {
3184	>	fs[i].completeExceptionally(exs[i]);
3185	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3186		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3187		}
3188		}
#	Line 3353 | Line 3195 | public class CompletableFutureTest exten
3195		CompletableFuture<Integer> f = new CompletableFuture<>();
3196		CompletableFuture<Integer> g = new CompletableFuture<>();
3197		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3356	–	CompletableFuture<?> h;
3198		ThreadExecutor exec = new ThreadExecutor();
3199
3200		Runnable[] throwingActions = {
3201		() -> CompletableFuture.supplyAsync(null),
3202		() -> CompletableFuture.supplyAsync(null, exec),
3203	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3203	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3204
3205		() -> CompletableFuture.runAsync(null),
3206		() -> CompletableFuture.runAsync(null, exec),
#	Line 3432 | Line 3273 | public class CompletableFutureTest exten
3273
3274		() -> f.thenCompose(null),
3275		() -> f.thenComposeAsync(null),
3276	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3276	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3277		() -> f.thenComposeAsync(null, exec),
3278
3279		() -> f.exceptionally(null),
#	Line 3450 | Line 3291 | public class CompletableFutureTest exten
3291		() -> CompletableFuture.anyOf(null, f),
3292
3293		() -> f.obtrudeException(null),
3294	+
3295	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3296	+	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3297	+	() -> CompletableFuture.delayedExecutor(1L, null),
3298	+
3299	+	() -> f.orTimeout(1L, null),
3300	+	() -> f.completeOnTimeout(42, 1L, null),
3301	+
3302	+	() -> CompletableFuture.failedFuture(null),
3303	+	() -> CompletableFuture.failedStage(null),
3304		};
3305
3306		assertThrows(NullPointerException.class, throwingActions);
#	Line 3464 | Line 3315 | public class CompletableFutureTest exten
3315		assertSame(f, f.toCompletableFuture());
3316		}
3317
3318	+	// jdk9
3319	+
3320		/**
3321	<	* whenComplete action executes on normal completion, propagating
3469	<	* source result.
3321	>	* newIncompleteFuture returns an incomplete CompletableFuture
3322		*/
3323	<	public void testWhenComplete_normalCompletion1() {
3324	<	for (ExecutionMode m : ExecutionMode.values())
3325	<	for (Integer v1 : new Integer[] { 1, null }) {
3326	<
3327	<	final AtomicInteger a = new AtomicInteger();
3328	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3329	<	final CompletableFuture<Integer> g =
3478	<	m.whenComplete(f,
3479	<	(Integer x, Throwable t) -> {
3480	<	threadAssertSame(x, v1);
3481	<	threadAssertNull(t);
3482	<	a.getAndIncrement();
3483	<	});
3323	>	public void testNewIncompleteFuture() {
3324	>	for (Integer v1 : new Integer[] { 1, null })
3325	>	{
3326	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3327	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3328	>	checkIncomplete(f);
3329	>	checkIncomplete(g);
3330		f.complete(v1);
3331		checkCompletedNormally(f, v1);
3332	+	checkIncomplete(g);
3333	+	g.complete(v1);
3334		checkCompletedNormally(g, v1);
3335	<	assertEquals(a.get(), 1);
3336	<	}
3335	>	assertSame(g.getClass(), CompletableFuture.class);
3336	>	}}
3337	>
3338	>	/**
3339	>	* completedStage returns a completed CompletionStage
3340	>	*/
3341	>	public void testCompletedStage() {
3342	>	AtomicInteger x = new AtomicInteger(0);
3343	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3344	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3345	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3346	>	assertEquals(x.get(), 1);
3347	>	assertNull(r.get());
3348		}
3349
3350		/**
3351	<	* whenComplete action executes on exceptional completion, propagating
3352	<	* source result.
3351	>	* defaultExecutor by default returns the commonPool if
3352	>	* it supports more than one thread.
3353		*/
3354	<	public void testWhenComplete_exceptionalCompletion() {
3355	<	for (ExecutionMode m : ExecutionMode.values())
3356	<	for (Integer v1 : new Integer[] { 1, null }) {
3354	>	public void testDefaultExecutor() {
3355	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3356	>	Executor e = f.defaultExecutor();
3357	>	Executor c = ForkJoinPool.commonPool();
3358	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3359	>	assertSame(e, c);
3360	>	else
3361	>	assertNotSame(e, c);
3362	>	}
3363
3364	<	final AtomicInteger a = new AtomicInteger();
3365	<	final CFException ex = new CFException();
3366	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3367	<	final CompletableFuture<Integer> g = m.whenComplete
3368	<	(f,
3369	<	(Integer x, Throwable t) -> {
3370	<	threadAssertNull(x);
3371	<	threadAssertSame(t, ex);
3372	<	a.getAndIncrement();
3373	<	});
3364	>	/**
3365	>	* failedFuture returns a CompletableFuture completed
3366	>	* exceptionally with the given Exception
3367	>	*/
3368	>	public void testFailedFuture() {
3369	>	CFException ex = new CFException();
3370	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3371	>	checkCompletedExceptionally(f, ex);
3372	>	}
3373	>
3374	>	/**
3375	>	* failedFuture(null) throws NPE
3376	>	*/
3377	>	public void testFailedFuture_null() {
3378	>	try {
3379	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3380	>	shouldThrow();
3381	>	} catch (NullPointerException success) {}
3382	>	}
3383	>
3384	>	/**
3385	>	* copy returns a CompletableFuture that is completed normally,
3386	>	* with the same value, when source is.
3387	>	*/
3388	>	public void testCopy() {
3389	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3390	>	CompletableFuture<Integer> g = f.copy();
3391	>	checkIncomplete(f);
3392	>	checkIncomplete(g);
3393	>	f.complete(1);
3394	>	checkCompletedNormally(f, 1);
3395	>	checkCompletedNormally(g, 1);
3396	>	}
3397	>
3398	>	/**
3399	>	* copy returns a CompletableFuture that is completed exceptionally
3400	>	* when source is.
3401	>	*/
3402	>	public void testCopy2() {
3403	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3404	>	CompletableFuture<Integer> g = f.copy();
3405	>	checkIncomplete(f);
3406	>	checkIncomplete(g);
3407	>	CFException ex = new CFException();
3408		f.completeExceptionally(ex);
3409	<	checkCompletedWithWrappedCFException(f, ex);
3410	<	checkCompletedWithWrappedCFException(g, ex);
3512	<	assertEquals(a.get(), 1);
3513	<	}
3409	>	checkCompletedExceptionally(f, ex);
3410	>	checkCompletedWithWrappedException(g, ex);
3411		}
3412
3413		/**
3414	<	* If a whenComplete action throws an exception when triggered by
3415	<	* a normal completion, it completes exceptionally
3414	>	* minimalCompletionStage returns a CompletableFuture that is
3415	>	* completed normally, with the same value, when source is.
3416		*/
3417	<	public void testWhenComplete_actionFailed() {
3418	<	for (ExecutionMode m : ExecutionMode.values())
3419	<	for (Integer v1 : new Integer[] { 1, null }) {
3417	>	public void testMinimalCompletionStage() {
3418	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3419	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3420	>	AtomicInteger x = new AtomicInteger(0);
3421	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3422	>	checkIncomplete(f);
3423	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3424	>	f.complete(1);
3425	>	checkCompletedNormally(f, 1);
3426	>	assertEquals(x.get(), 1);
3427	>	assertNull(r.get());
3428	>	}
3429
3430	<	final CFException ex = new CFException();
3431	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3432	<	final CompletableFuture<Integer> g = m.whenComplete
3433	<	(f,
3434	<	(Integer x, Throwable t) -> {
3435	<	threadAssertSame(x, v1);
3436	<	threadAssertNull(t);
3437	<	throw ex;
3438	<	});
3439	<	f.complete(v1);
3440	<	checkCompletedNormally(f, v1);
3441	<	checkCompletedWithWrappedCFException(g, ex);
3442	<	}
3430	>	/**
3431	>	* minimalCompletionStage returns a CompletableFuture that is
3432	>	* completed exceptionally when source is.
3433	>	*/
3434	>	public void testMinimalCompletionStage2() {
3435	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3436	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3437	>	AtomicInteger x = new AtomicInteger(0);
3438	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3439	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3440	>	checkIncomplete(f);
3441	>	CFException ex = new CFException();
3442	>	f.completeExceptionally(ex);
3443	>	checkCompletedExceptionally(f, ex);
3444	>	assertEquals(x.get(), 0);
3445	>	assertEquals(r.get().getCause(), ex);
3446		}
3447
3448		/**
3449	<	* If a whenComplete action throws an exception when triggered by
3450	<	* a source completion that also throws an exception, the source
3542	<	* exception takes precedence.
3449	>	* failedStage returns a CompletionStage completed
3450	>	* exceptionally with the given Exception
3451		*/
3452	<	public void testWhenComplete_actionFailedSourceFailed() {
3453	<	for (ExecutionMode m : ExecutionMode.values())
3454	<	for (Integer v1 : new Integer[] { 1, null }) {
3452	>	public void testFailedStage() {
3453	>	CFException ex = new CFException();
3454	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3455	>	AtomicInteger x = new AtomicInteger(0);
3456	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3457	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3458	>	assertEquals(x.get(), 0);
3459	>	assertEquals(r.get(), ex);
3460	>	}
3461
3462	<	final CFException ex1 = new CFException();
3463	<	final CFException ex2 = new CFException();
3464	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3465	<	final CompletableFuture<Integer> g = m.whenComplete
3466	<	(f,
3467	<	(Integer x, Throwable t) -> {
3468	<	threadAssertSame(t, ex1);
3469	<	threadAssertNull(x);
3470	<	throw ex2;
3471	<	});
3472	<	f.completeExceptionally(ex1);
3473	<	checkCompletedWithWrappedCFException(f, ex1);
3474	<	checkCompletedWithWrappedCFException(g, ex1);
3475	<	}
3462	>	/**
3463	>	* completeAsync completes with value of given supplier
3464	>	*/
3465	>	public void testCompleteAsync() {
3466	>	for (Integer v1 : new Integer[] { 1, null })
3467	>	{
3468	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3469	>	f.completeAsync(() -> v1);
3470	>	f.join();
3471	>	checkCompletedNormally(f, v1);
3472	>	}}
3473	>
3474	>	/**
3475	>	* completeAsync completes exceptionally if given supplier throws
3476	>	*/
3477	>	public void testCompleteAsync2() {
3478	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3479	>	CFException ex = new CFException();
3480	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3481	>	try {
3482	>	f.join();
3483	>	shouldThrow();
3484	>	} catch (CompletionException success) {}
3485	>	checkCompletedWithWrappedException(f, ex);
3486		}
3487
3488		/**
3489	<	* handleAsync action completes normally with function value on
3566	<	* either normal or exceptional completion of source
3489	>	* completeAsync with given executor completes with value of given supplier
3490		*/
3491	<	public void testHandleAsync() {
3492	<	CompletableFuture<Integer> f, g;
3493	<	IntegerHandler r;
3491	>	public void testCompleteAsync3() {
3492	>	for (Integer v1 : new Integer[] { 1, null })
3493	>	{
3494	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3495	>	ThreadExecutor executor = new ThreadExecutor();
3496	>	f.completeAsync(() -> v1, executor);
3497	>	assertSame(v1, f.join());
3498	>	checkCompletedNormally(f, v1);
3499	>	assertEquals(1, executor.count.get());
3500	>	}}
3501
3502	<	f = new CompletableFuture<>();
3503	<	g = f.handleAsync(r = new IntegerHandler());
3504	<	assertFalse(r.ran);
3505	<	f.completeExceptionally(new CFException());
3506	<	checkCompletedWithWrappedCFException(f);
3507	<	checkCompletedNormally(g, three);
3508	<	assertTrue(r.ran);
3502	>	/**
3503	>	* completeAsync with given executor completes exceptionally if
3504	>	* given supplier throws
3505	>	*/
3506	>	public void testCompleteAsync4() {
3507	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3508	>	CFException ex = new CFException();
3509	>	ThreadExecutor executor = new ThreadExecutor();
3510	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3511	>	try {
3512	>	f.join();
3513	>	shouldThrow();
3514	>	} catch (CompletionException success) {}
3515	>	checkCompletedWithWrappedException(f, ex);
3516	>	assertEquals(1, executor.count.get());
3517	>	}
3518
3519	<	f = new CompletableFuture<>();
3520	<	g = f.handleAsync(r = new IntegerHandler());
3521	<	assertFalse(r.ran);
3522	<	f.completeExceptionally(new CFException());
3523	<	checkCompletedWithWrappedCFException(f);
3524	<	checkCompletedNormally(g, three);
3525	<	assertTrue(r.ran);
3519	>	/**
3520	>	* orTimeout completes with TimeoutException if not complete
3521	>	*/
3522	>	public void testOrTimeout_timesOut() {
3523	>	long timeoutMillis = timeoutMillis();
3524	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3525	>	long startTime = System.nanoTime();
3526	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3527	>	checkCompletedWithTimeoutException(f);
3528	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3529	>	}
3530
3531	<	f = new CompletableFuture<>();
3532	<	g = f.handleAsync(r = new IntegerHandler());
3533	<	assertFalse(r.ran);
3534	<	f.complete(one);
3535	<	checkCompletedNormally(f, one);
3536	<	checkCompletedNormally(g, two);
3537	<	assertTrue(r.ran);
3531	>	/**
3532	>	* orTimeout completes normally if completed before timeout
3533	>	*/
3534	>	public void testOrTimeout_completed() {
3535	>	for (Integer v1 : new Integer[] { 1, null })
3536	>	{
3537	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3538	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3539	>	long startTime = System.nanoTime();
3540	>	f.complete(v1);
3541	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3542	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3543	>	g.complete(v1);
3544	>	checkCompletedNormally(f, v1);
3545	>	checkCompletedNormally(g, v1);
3546	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3547	>	}}
3548
3549	<	f = new CompletableFuture<>();
3550	<	g = f.handleAsync(r = new IntegerHandler());
3551	<	assertFalse(r.ran);
3552	<	f.complete(one);
3553	<	checkCompletedNormally(f, one);
3554	<	checkCompletedNormally(g, two);
3555	<	assertTrue(r.ran);
3549	>	/**
3550	>	* completeOnTimeout completes with given value if not complete
3551	>	*/
3552	>	public void testCompleteOnTimeout_timesOut() {
3553	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3554	>	() -> testCompleteOnTimeout_timesOut(null));
3555	>	}
3556	>
3557	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3558	>	long timeoutMillis = timeoutMillis();
3559	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3560	>	long startTime = System.nanoTime();
3561	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3562	>	assertSame(v, f.join());
3563	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3564	>	f.complete(99);         // should have no effect
3565	>	checkCompletedNormally(f, v);
3566		}
3567
3568		/**
3569	<	* handleAsync action with Executor completes normally with
3607	<	* function value on either normal or exceptional completion of
3608	<	* source
3569	>	* completeOnTimeout has no effect if completed within timeout
3570		*/
3571	<	public void testHandleAsync2() {
3572	<	CompletableFuture<Integer> f, g;
3573	<	ThreadExecutor exec = new ThreadExecutor();
3574	<	IntegerHandler r;
3571	>	public void testCompleteOnTimeout_completed() {
3572	>	for (Integer v1 : new Integer[] { 1, null })
3573	>	{
3574	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3575	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3576	>	long startTime = System.nanoTime();
3577	>	f.complete(v1);
3578	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3579	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3580	>	g.complete(v1);
3581	>	checkCompletedNormally(f, v1);
3582	>	checkCompletedNormally(g, v1);
3583	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3584	>	}}
3585
3586	<	f = new CompletableFuture<>();
3587	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3588	<	assertFalse(r.ran);
3589	<	f.completeExceptionally(new CFException());
3590	<	checkCompletedWithWrappedCFException(f);
3591	<	checkCompletedNormally(g, three);
3592	<	assertTrue(r.ran);
3586	>	/**
3587	>	* delayedExecutor returns an executor that delays submission
3588	>	*/
3589	>	public void testDelayedExecutor() {
3590	>	testInParallel(() -> testDelayedExecutor(null, null),
3591	>	() -> testDelayedExecutor(null, 1),
3592	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3593	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3594	>	}
3595
3596	<	f = new CompletableFuture<>();
3597	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3598	<	assertFalse(r.ran);
3599	<	f.completeExceptionally(new CFException());
3600	<	checkCompletedWithWrappedCFException(f);
3601	<	checkCompletedNormally(g, three);
3602	<	assertTrue(r.ran);
3596	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3597	>	long timeoutMillis = timeoutMillis();
3598	>	// Use an "unreasonably long" long timeout to catch lingering threads
3599	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3600	>	final Executor delayer, longDelayer;
3601	>	if (executor == null) {
3602	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3603	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3604	>	} else {
3605	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3606	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3607	>	}
3608	>	long startTime = System.nanoTime();
3609	>	CompletableFuture<Integer> f =
3610	>	CompletableFuture.supplyAsync(() -> v, delayer);
3611	>	CompletableFuture<Integer> g =
3612	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3613
3614	<	f = new CompletableFuture<>();
3632	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3633	<	assertFalse(r.ran);
3634	<	f.complete(one);
3635	<	checkCompletedNormally(f, one);
3636	<	checkCompletedNormally(g, two);
3637	<	assertTrue(r.ran);
3614	>	assertNull(g.getNow(null));
3615
3616	<	f = new CompletableFuture<>();
3617	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3618	<	assertFalse(r.ran);
3619	<	f.complete(one);
3620	<	checkCompletedNormally(f, one);
3621	<	checkCompletedNormally(g, two);
3622	<	assertTrue(r.ran);
3616	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3617	>	long millisElapsed = millisElapsedSince(startTime);
3618	>	assertTrue(millisElapsed >= timeoutMillis);
3619	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3620	>
3621	>	checkCompletedNormally(f, v);
3622	>
3623	>	checkIncomplete(g);
3624	>	assertTrue(g.cancel(true));
3625	>	}
3626	>
3627	>	//--- tests of implementation details; not part of official tck ---
3628	>
3629	>	Object resultOf(CompletableFuture<?> f) {
3630	>	try {
3631	>	java.lang.reflect.Field resultField
3632	>	= CompletableFuture.class.getDeclaredField("result");
3633	>	resultField.setAccessible(true);
3634	>	return resultField.get(f);
3635	>	} catch (Throwable t) { throw new AssertionError(t); }
3636		}
3637
3638	+	public void testExceptionPropagationReusesResultObject() {
3639	+	if (!testImplementationDetails) return;
3640	+	for (ExecutionMode m : ExecutionMode.values())
3641	+	{
3642	+	final CFException ex = new CFException();
3643	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3644	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3645	+
3646	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3647	+	= new ArrayList<>();
3648	+
3649	+	funs.add((y) -> m.thenRun(y, new Noop(m)));
3650	+	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3651	+	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3652	+
3653	+	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3654	+	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3655	+	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3656	+
3657	+	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3658	+	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3659	+	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3660	+
3661	+	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3662	+
3663	+	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3664	+
3665	+	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3666	+	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3667	+
3668	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3669	+	fun : funs) {
3670	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3671	+	f.completeExceptionally(ex);
3672	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3673	+	checkCompletedWithWrappedException(src, ex);
3674	+	CompletableFuture<?> dep = fun.apply(src);
3675	+	checkCompletedWithWrappedException(dep, ex);
3676	+	assertSame(resultOf(src), resultOf(dep));
3677	+	}
3678	+
3679	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3680	+	fun : funs) {
3681	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3682	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3683	+	CompletableFuture<?> dep = fun.apply(src);
3684	+	f.completeExceptionally(ex);
3685	+	checkCompletedWithWrappedException(src, ex);
3686	+	checkCompletedWithWrappedException(dep, ex);
3687	+	assertSame(resultOf(src), resultOf(dep));
3688	+	}
3689	+
3690	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3691	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3692	+	fun : funs) {
3693	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3694	+	f.cancel(mayInterruptIfRunning);
3695	+	checkCancelled(f);
3696	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3697	+	checkCompletedWithWrappedCancellationException(src);
3698	+	CompletableFuture<?> dep = fun.apply(src);
3699	+	checkCompletedWithWrappedCancellationException(dep);
3700	+	assertSame(resultOf(src), resultOf(dep));
3701	+	}
3702	+
3703	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3704	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3705	+	fun : funs) {
3706	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3707	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3708	+	CompletableFuture<?> dep = fun.apply(src);
3709	+	f.cancel(mayInterruptIfRunning);
3710	+	checkCancelled(f);
3711	+	checkCompletedWithWrappedCancellationException(src);
3712	+	checkCompletedWithWrappedCancellationException(dep);
3713	+	assertSame(resultOf(src), resultOf(dep));
3714	+	}
3715	+	}}
3716	+
3717	+	/**
3718	+	* Minimal completion stages throw UOE for all non-CompletionStage methods
3719	+	*/
3720	+	public void testMinimalCompletionStage_minimality() {
3721	+	if (!testImplementationDetails) return;
3722	+	Function<Method, String> toSignature =
3723	+	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3724	+	Predicate<Method> isNotStatic =
3725	+	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3726	+	List<Method> minimalMethods =
3727	+	Stream.of(Object.class, CompletionStage.class)
3728	+	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3729	+	.filter(isNotStatic)
3730	+	.collect(Collectors.toList());
3731	+	// Methods from CompletableFuture permitted NOT to throw UOE
3732	+	String[] signatureWhitelist = {
3733	+	"newIncompleteFuture[]",
3734	+	"defaultExecutor[]",
3735	+	"minimalCompletionStage[]",
3736	+	"copy[]",
3737	+	};
3738	+	Set<String> permittedMethodSignatures =
3739	+	Stream.concat(minimalMethods.stream().map(toSignature),
3740	+	Stream.of(signatureWhitelist))
3741	+	.collect(Collectors.toSet());
3742	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3743	+	.filter(isNotStatic)
3744	+	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3745	+	.collect(Collectors.toList());
3746	+
3747	+	CompletionStage<Integer> minimalStage =
3748	+	new CompletableFuture<Integer>().minimalCompletionStage();
3749	+
3750	+	List<Method> bugs = new ArrayList<>();
3751	+	for (Method method : allMethods) {
3752	+	Class<?>[] parameterTypes = method.getParameterTypes();
3753	+	Object[] args = new Object[parameterTypes.length];
3754	+	// Manufacture boxed primitives for primitive params
3755	+	for (int i = 0; i < args.length; i++) {
3756	+	Class<?> type = parameterTypes[i];
3757	+	if (parameterTypes[i] == boolean.class)
3758	+	args[i] = false;
3759	+	else if (parameterTypes[i] == int.class)
3760	+	args[i] = 0;
3761	+	else if (parameterTypes[i] == long.class)
3762	+	args[i] = 0L;
3763	+	}
3764	+	try {
3765	+	method.invoke(minimalStage, args);
3766	+	bugs.add(method);
3767	+	}
3768	+	catch (java.lang.reflect.InvocationTargetException expected) {
3769	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3770	+	bugs.add(method);
3771	+	// expected.getCause().printStackTrace();
3772	+	}
3773	+	}
3774	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3775	+	}
3776	+	if (!bugs.isEmpty())
3777	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3778	+	}
3779	+
3780	+	static class Monad {
3781	+	static class ZeroException extends RuntimeException {
3782	+	public ZeroException() { super("monadic zero"); }
3783	+	}
3784	+	// "return", "unit"
3785	+	static <T> CompletableFuture<T> unit(T value) {
3786	+	return completedFuture(value);
3787	+	}
3788	+	// monadic zero ?
3789	+	static <T> CompletableFuture<T> zero() {
3790	+	return failedFuture(new ZeroException());
3791	+	}
3792	+	// >=>
3793	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3794	+	(Function<T, CompletableFuture<U>> f,
3795	+	Function<U, CompletableFuture<V>> g) {
3796	+	return (x) -> f.apply(x).thenCompose(g);
3797	+	}
3798	+
3799	+	static void assertZero(CompletableFuture<?> f) {
3800	+	try {
3801	+	f.getNow(null);
3802	+	throw new AssertionFailedError("should throw");
3803	+	} catch (CompletionException success) {
3804	+	assertTrue(success.getCause() instanceof ZeroException);
3805	+	}
3806	+	}
3807	+
3808	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
3809	+	CompletableFuture<T> g) {
3810	+	T fval = null, gval = null;
3811	+	Throwable fex = null, gex = null;
3812	+
3813	+	try { fval = f.get(); }
3814	+	catch (ExecutionException ex) { fex = ex.getCause(); }
3815	+	catch (Throwable ex) { fex = ex; }
3816	+
3817	+	try { gval = g.get(); }
3818	+	catch (ExecutionException ex) { gex = ex.getCause(); }
3819	+	catch (Throwable ex) { gex = ex; }
3820	+
3821	+	if (fex != null || gex != null)
3822	+	assertSame(fex.getClass(), gex.getClass());
3823	+	else
3824	+	assertEquals(fval, gval);
3825	+	}
3826	+
3827	+	static class PlusFuture<T> extends CompletableFuture<T> {
3828	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3829	+	}
3830	+
3831	+	/** Implements "monadic plus". */
3832	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3833	+	CompletableFuture<? extends T> g) {
3834	+	PlusFuture<T> plus = new PlusFuture<T>();
3835	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3836	+	try {
3837	+	if (ex == null) {
3838	+	if (plus.complete(result))
3839	+	if (plus.firstFailure.get() != null)
3840	+	plus.firstFailure.set(null);
3841	+	}
3842	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
3843	+	if (plus.isDone())
3844	+	plus.firstFailure.set(null);
3845	+	}
3846	+	else {
3847	+	// first failure has precedence
3848	+	Throwable first = plus.firstFailure.getAndSet(null);
3849	+
3850	+	// may fail with "Self-suppression not permitted"
3851	+	try { first.addSuppressed(ex); }
3852	+	catch (Exception ignored) {}
3853	+
3854	+	plus.completeExceptionally(first);
3855	+	}
3856	+	} catch (Throwable unexpected) {
3857	+	plus.completeExceptionally(unexpected);
3858	+	}
3859	+	};
3860	+	f.whenComplete(action);
3861	+	g.whenComplete(action);
3862	+	return plus;
3863	+	}
3864	+	}
3865	+
3866	+	/**
3867	+	* CompletableFuture is an additive monad - sort of.
3868	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3869	+	*/
3870	+	public void testAdditiveMonad() throws Throwable {
3871	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3872	+	CompletableFuture<Long> zero = Monad.zero();
3873	+
3874	+	// Some mutually non-commutative functions
3875	+	Function<Long, CompletableFuture<Long>> triple
3876	+	= (x) -> Monad.unit(3 * x);
3877	+	Function<Long, CompletableFuture<Long>> inc
3878	+	= (x) -> Monad.unit(x + 1);
3879	+
3880	+	// unit is a right identity: m >>= unit === m
3881	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3882	+	inc.apply(5L));
3883	+	// unit is a left identity: (unit x) >>= f === f x
3884	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3885	+	inc.apply(5L));
3886	+
3887	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3888	+	Monad.assertFutureEquals(
3889	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3890	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3891	+
3892	+	// The case for CompletableFuture as an additive monad is weaker...
3893	+
3894	+	// zero is a monadic zero
3895	+	Monad.assertZero(zero);
3896	+
3897	+	// left zero: zero >>= f === zero
3898	+	Monad.assertZero(zero.thenCompose(inc));
3899	+	// right zero: f >>= (\x -> zero) === zero
3900	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3901	+
3902	+	// f plus zero === f
3903	+	Monad.assertFutureEquals(Monad.unit(5L),
3904	+	Monad.plus(Monad.unit(5L), zero));
3905	+	// zero plus f === f
3906	+	Monad.assertFutureEquals(Monad.unit(5L),
3907	+	Monad.plus(zero, Monad.unit(5L)));
3908	+	// zero plus zero === zero
3909	+	Monad.assertZero(Monad.plus(zero, zero));
3910	+	{
3911	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3912	+	Monad.unit(8L));
3913	+	// non-determinism
3914	+	assertTrue(f.get() == 5L || f.get() == 8L);
3915	+	}
3916	+
3917	+	CompletableFuture<Long> godot = new CompletableFuture<>();
3918	+	// f plus godot === f (doesn't wait for godot)
3919	+	Monad.assertFutureEquals(Monad.unit(5L),
3920	+	Monad.plus(Monad.unit(5L), godot));
3921	+	// godot plus f === f (doesn't wait for godot)
3922	+	Monad.assertFutureEquals(Monad.unit(5L),
3923	+	Monad.plus(godot, Monad.unit(5L)));
3924	+	}
3925	+
3926	+	//     static <U> U join(CompletionStage<U> stage) {
3927	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3928	+	//         stage.whenComplete((v, ex) -> {
3929	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3930	+	//         });
3931	+	//         return f.join();
3932	+	//     }
3933	+
3934	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
3935	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3936	+	//         stage.whenComplete((v, ex) -> {
3937	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3938	+	//         });
3939	+	//         return f.isDone();
3940	+	//     }
3941	+
3942	+	//     static <U> U join2(CompletionStage<U> stage) {
3943	+	//         return stage.toCompletableFuture().copy().join();
3944	+	//     }
3945	+
3946	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3947	+	//         return stage.toCompletableFuture().copy().isDone();
3948	+	//     }
3949	+
3950		}

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