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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.51 by jsr166, Mon Jun 2 19:49:28 2014 UTC vs.
Revision 1.128 by jsr166, Sun Nov 15 00:37:50 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;
25	<	import static java.util.concurrent.TimeUnit.SECONDS;
26	<	import java.util.*;
27	<	import java.util.function.Supplier;
28	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
30	–	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 44 | 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 57 | 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));
62	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
79		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 75 | 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) {
95	<	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 {
98	<	f.get();
99	<	shouldThrow();
100	<	} catch (ExecutionException success) {
101	<	assertTrue(success.getCause() instanceof CFException);
102	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
103	<	assertTrue(f.isDone());
104	<	assertFalse(f.isCancelled());
105	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
106	<	}
110	>	checker.accept(cause);
111
112	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
109	<	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 155 | Line 191 | public class CompletableFutureTest exten
191		shouldThrow();
192		} catch (CancellationException success) {
193		} catch (Throwable fail) { threadUnexpectedException(fail); }
158	–	assertTrue(f.isDone());
159	–	assertTrue(f.isCompletedExceptionally());
160	–	assertTrue(f.isCancelled());
161	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
162	–	}
194
195	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
196	<	try {
166	<	f.get(LONG_DELAY_MS, MILLISECONDS);
167	<	shouldThrow();
168	<	} catch (ExecutionException success) {
169	<	assertTrue(success.getCause() instanceof CancellationException);
170	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
171	<	try {
172	<	f.join();
173	<	shouldThrow();
174	<	} catch (CompletionException success) {
175	<	assertTrue(success.getCause() instanceof CancellationException);
176	<	}
177	<	try {
178	<	f.getNow(null);
179	<	shouldThrow();
180	<	} catch (CompletionException success) {
181	<	assertTrue(success.getCause() instanceof CancellationException);
182	<	}
183	<	try {
184	<	f.get();
185	<	shouldThrow();
186	<	} catch (ExecutionException success) {
187	<	assertTrue(success.getCause() instanceof CancellationException);
188	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
195	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
196	>
197		assertTrue(f.isDone());
190	–	assertFalse(f.isCancelled());
198		assertTrue(f.isCompletedExceptionally());
199	+	assertTrue(f.isCancelled());
200		assertTrue(f.toString().contains("[Completed exceptionally]"));
201		}
202
#	Line 206 | 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 218 | 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 228 | 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 240 | 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 261 | 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());
269	<	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);
279	<	}
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(0, f.getNumberOfDependents());
319	<	CompletableFuture g = f.thenRun(new Noop());
319	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
320		assertEquals(1, f.getNumberOfDependents());
321		assertEquals(0, g.getNumberOfDependents());
322	<	CompletableFuture h = f.thenRun(new Noop());
322	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
323		assertEquals(2, f.getNumberOfDependents());
324	<	f.complete(1);
324	>	assertEquals(0, h.getNumberOfDependents());
325	>	assertTrue(f.complete(v1));
326		checkCompletedNormally(g, null);
327	+	checkCompletedNormally(h, null);
328		assertEquals(0, f.getNumberOfDependents());
329		assertEquals(0, g.getNumberOfDependents());
330	<	}
330	>	assertEquals(0, h.getNumberOfDependents());
331	>	}}
332
333		/**
334		* toString indicates current completion state
#	Line 304 | 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 320 | 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 334 | 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);
341	<	static final BiFunction<Integer, Integer, Integer> subtract =
342	<	(Integer x, Integer y) -> subtract(x, y);
343	<	static final class IncAction implements Consumer<Integer> {
344	<	int invocationCount = 0;
345	<	Integer value;
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;
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.
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.
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;
451	>
452	>	class Noop extends CheckedAction implements Runnable {
453	>	Noop(ExecutionMode m) { super(m); }
454		public void run() {
455	<	invocationCount++;
455	>	invoked();
456		}
457		}
458
459	<	static final class FailingSupplier implements Supplier<Integer> {
460	<	int invocationCount = 0;
459	>	class FailingSupplier extends CheckedAction
460	>	implements Supplier<Integer>
461	>	{
462	>	FailingSupplier(ExecutionMode m) { super(m); }
463		public Integer get() {
464	<	invocationCount++;
464	>	invoked();
465		throw new CFException();
466		}
467		}
468	<	static final class FailingConsumer implements Consumer<Integer> {
469	<	int invocationCount = 0;
468	>
469	>	class FailingConsumer extends CheckedIntegerAction
470	>	implements Consumer<Integer>
471	>	{
472	>	FailingConsumer(ExecutionMode m) { super(m); }
473		public void accept(Integer x) {
474	<	invocationCount++;
474	>	invoked();
475	>	value = x;
476		throw new CFException();
477		}
478		}
479	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
480	<	int invocationCount = 0;
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	<	invocationCount++;
485	>	invoked();
486	>	value = subtract(x, y);
487		throw new CFException();
488		}
489		}
490	<	static final class FailingFunction implements Function<Integer, Integer> {
491	<	int invocationCount = 0;
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	<	invocationCount++;
496	>	invoked();
497	>	value = x;
498		throw new CFException();
499		}
500		}
501	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
502	<	int invocationCount = 0;
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	<	invocationCount++;
507	>	invoked();
508	>	value = subtract(x, y);
509		throw new CFException();
510		}
511		}
512	<	static final class FailingRunnable implements Runnable {
513	<	int invocationCount = 0;
512	>
513	>	class FailingRunnable extends CheckedAction implements Runnable {
514	>	FailingRunnable(ExecutionMode m) { super(m); }
515		public void run() {
516	<	invocationCount++;
516	>	invoked();
517		throw new CFException();
518		}
519		}
520
521	<	static final class CompletableFutureInc
522	<	implements Function<Integer, CompletableFuture<Integer>> {
523	<	int invocationCount = 0;
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	<	invocationCount++;
526	>	invoked();
527	>	value = x;
528		CompletableFuture<Integer> f = new CompletableFuture<>();
529	<	f.complete(inc(x));
529	>	assertTrue(f.complete(inc(x)));
530		return f;
531		}
532		}
533
534	<	static final class FailingCompletableFutureFunction
535	<	implements Function<Integer, CompletableFuture<Integer>> {
536	<	int invocationCount = 0;
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	<	invocationCount++;
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 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);
#	Line 528 | Line 640 | public class CompletableFutureTest exten
640
641		ASYNC {
642		public void checkExecutionMode() {
643	<	assertSame(ForkJoinPool.commonPool(),
644	<	ForkJoinTask.getPool());
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) {
#	Line 596 | Line 714 | public class CompletableFutureTest exten
714
715		EXECUTOR {
716		public void checkExecutionMode() {
717	<	//TODO
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) {
#	Line 662 | Line 786 | public class CompletableFutureTest exten
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
#	Line 711 | Line 837 | public class CompletableFutureTest exten
837		{
838		final AtomicInteger a = new AtomicInteger(0);
839		final CompletableFuture<Integer> f = new CompletableFuture<>();
840	<	if (!createIncomplete) f.complete(v1);
840	>	if (!createIncomplete) assertTrue(f.complete(v1));
841		final CompletableFuture<Integer> g = f.exceptionally
842		((Throwable t) -> {
717	–	// Should not be called
843		a.getAndIncrement();
844	<	throw new AssertionError();
844	>	threadFail("should not be called");
845	>	return null;            // unreached
846		});
847	<	if (createIncomplete) f.complete(v1);
847	>	if (createIncomplete) assertTrue(f.complete(v1));
848
849		checkCompletedNormally(g, v1);
850		checkCompletedNormally(f, v1);
851		assertEquals(0, a.get());
852		}}
853
728	–
854		/**
855		* exceptionally action completes with function value on source
856		* exception
#	Line 740 | Line 865 | public class CompletableFutureTest exten
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;
#	Line 752 | Line 878 | public class CompletableFutureTest exten
878
879		public void testExceptionally_exceptionalCompletionActionFailed() {
880		for (boolean createIncomplete : new boolean[] { true, false })
755	–	for (Integer v1 : new Integer[] { 1, null })
881		{
882		final AtomicInteger a = new AtomicInteger(0);
883		final CFException ex1 = new CFException();
#	Line 761 | Line 886 | public class CompletableFutureTest exten
886		if (!createIncomplete) f.completeExceptionally(ex1);
887		final CompletableFuture<Integer> g = f.exceptionally
888		((Throwable t) -> {
889	+	ExecutionMode.SYNC.checkExecutionMode();
890		threadAssertSame(t, ex1);
891		a.getAndIncrement();
892		throw ex2;
893		});
894		if (createIncomplete) f.completeExceptionally(ex1);
895
896	<	checkCompletedWithWrappedCFException(g, ex2);
896	>	checkCompletedWithWrappedException(g, ex2);
897	>	assertEquals(1, a.get());
898	>	}}
899	>
900	>	/**
901	>	* whenComplete action executes on normal completion, propagating
902	>	* source result.
903	>	*/
904	>	public void testWhenComplete_normalCompletion() {
905	>	for (ExecutionMode m : ExecutionMode.values())
906	>	for (boolean createIncomplete : new boolean[] { true, false })
907	>	for (Integer v1 : new Integer[] { 1, null })
908	>	{
909	>	final AtomicInteger a = new AtomicInteger(0);
910	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
911	>	if (!createIncomplete) assertTrue(f.complete(v1));
912	>	final CompletableFuture<Integer> g = m.whenComplete
913	>	(f,
914	>	(Integer x, Throwable t) -> {
915	>	m.checkExecutionMode();
916	>	threadAssertSame(x, v1);
917	>	threadAssertNull(t);
918	>	a.getAndIncrement();
919	>	});
920	>	if (createIncomplete) assertTrue(f.complete(v1));
921	>
922	>	checkCompletedNormally(g, v1);
923	>	checkCompletedNormally(f, v1);
924	>	assertEquals(1, a.get());
925	>	}}
926	>
927	>	/**
928	>	* whenComplete action executes on exceptional completion, propagating
929	>	* source result.
930	>	*/
931	>	public void testWhenComplete_exceptionalCompletion() {
932	>	for (ExecutionMode m : ExecutionMode.values())
933	>	for (boolean createIncomplete : new boolean[] { true, false })
934	>	{
935	>	final AtomicInteger a = new AtomicInteger(0);
936	>	final CFException ex = new CFException();
937	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
938	>	if (!createIncomplete) f.completeExceptionally(ex);
939	>	final CompletableFuture<Integer> g = m.whenComplete
940	>	(f,
941	>	(Integer x, Throwable t) -> {
942	>	m.checkExecutionMode();
943	>	threadAssertNull(x);
944	>	threadAssertSame(t, ex);
945	>	a.getAndIncrement();
946	>	});
947	>	if (createIncomplete) f.completeExceptionally(ex);
948	>
949	>	checkCompletedWithWrappedException(g, ex);
950	>	checkCompletedExceptionally(f, ex);
951	>	assertEquals(1, a.get());
952	>	}}
953	>
954	>	/**
955	>	* whenComplete action executes on cancelled source, propagating
956	>	* CancellationException.
957	>	*/
958	>	public void testWhenComplete_sourceCancelled() {
959	>	for (ExecutionMode m : ExecutionMode.values())
960	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
961	>	for (boolean createIncomplete : new boolean[] { true, false })
962	>	{
963	>	final AtomicInteger a = new AtomicInteger(0);
964	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
965	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
966	>	final CompletableFuture<Integer> g = m.whenComplete
967	>	(f,
968	>	(Integer x, Throwable t) -> {
969	>	m.checkExecutionMode();
970	>	threadAssertNull(x);
971	>	threadAssertTrue(t instanceof CancellationException);
972	>	a.getAndIncrement();
973	>	});
974	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
975	>
976	>	checkCompletedWithWrappedCancellationException(g);
977	>	checkCancelled(f);
978	>	assertEquals(1, a.get());
979	>	}}
980	>
981	>	/**
982	>	* If a whenComplete action throws an exception when triggered by
983	>	* a normal completion, it completes exceptionally
984	>	*/
985	>	public void testWhenComplete_actionFailed() {
986	>	for (boolean createIncomplete : new boolean[] { true, false })
987	>	for (ExecutionMode m : ExecutionMode.values())
988	>	for (Integer v1 : new Integer[] { 1, null })
989	>	{
990	>	final AtomicInteger a = new AtomicInteger(0);
991	>	final CFException ex = new CFException();
992	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
993	>	if (!createIncomplete) assertTrue(f.complete(v1));
994	>	final CompletableFuture<Integer> g = m.whenComplete
995	>	(f,
996	>	(Integer x, Throwable t) -> {
997	>	m.checkExecutionMode();
998	>	threadAssertSame(x, v1);
999	>	threadAssertNull(t);
1000	>	a.getAndIncrement();
1001	>	throw ex;
1002	>	});
1003	>	if (createIncomplete) assertTrue(f.complete(v1));
1004	>
1005	>	checkCompletedWithWrappedException(g, ex);
1006	>	checkCompletedNormally(f, v1);
1007	>	assertEquals(1, a.get());
1008	>	}}
1009	>
1010	>	/**
1011	>	* If a whenComplete action throws an exception when triggered by
1012	>	* a source completion that also throws an exception, the source
1013	>	* exception takes precedence.
1014	>	*/
1015	>	public void testWhenComplete_actionFailedSourceFailed() {
1016	>	for (boolean createIncomplete : new boolean[] { true, false })
1017	>	for (ExecutionMode m : ExecutionMode.values())
1018	>	{
1019	>	final AtomicInteger a = new AtomicInteger(0);
1020	>	final CFException ex1 = new CFException();
1021	>	final CFException ex2 = new CFException();
1022	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1023	>
1024	>	if (!createIncomplete) f.completeExceptionally(ex1);
1025	>	final CompletableFuture<Integer> g = m.whenComplete
1026	>	(f,
1027	>	(Integer x, Throwable t) -> {
1028	>	m.checkExecutionMode();
1029	>	threadAssertSame(t, ex1);
1030	>	threadAssertNull(x);
1031	>	a.getAndIncrement();
1032	>	throw ex2;
1033	>	});
1034	>	if (createIncomplete) f.completeExceptionally(ex1);
1035	>
1036	>	checkCompletedWithWrappedException(g, ex1);
1037	>	checkCompletedExceptionally(f, ex1);
1038		assertEquals(1, a.get());
1039		}}
1040
#	Line 782 | Line 1049 | public class CompletableFutureTest exten
1049		{
1050		final CompletableFuture<Integer> f = new CompletableFuture<>();
1051		final AtomicInteger a = new AtomicInteger(0);
1052	<	if (!createIncomplete) f.complete(v1);
1052	>	if (!createIncomplete) assertTrue(f.complete(v1));
1053		final CompletableFuture<Integer> g = m.handle
1054		(f,
1055		(Integer x, Throwable t) -> {
1056	+	m.checkExecutionMode();
1057		threadAssertSame(x, v1);
1058		threadAssertNull(t);
1059		a.getAndIncrement();
1060		return inc(v1);
1061		});
1062	<	if (createIncomplete) f.complete(v1);
1062	>	if (createIncomplete) assertTrue(f.complete(v1));
1063
1064		checkCompletedNormally(g, inc(v1));
1065		checkCompletedNormally(f, v1);
#	Line 814 | Line 1082 | public class CompletableFutureTest exten
1082		final CompletableFuture<Integer> g = m.handle
1083		(f,
1084		(Integer x, Throwable t) -> {
1085	+	m.checkExecutionMode();
1086		threadAssertNull(x);
1087		threadAssertSame(t, ex);
1088		a.getAndIncrement();
#	Line 822 | Line 1091 | public class CompletableFutureTest exten
1091		if (createIncomplete) f.completeExceptionally(ex);
1092
1093		checkCompletedNormally(g, v1);
1094	<	checkCompletedWithWrappedCFException(f, ex);
1094	>	checkCompletedExceptionally(f, ex);
1095		assertEquals(1, a.get());
1096		}}
1097
#	Line 842 | Line 1111 | public class CompletableFutureTest exten
1111		final CompletableFuture<Integer> g = m.handle
1112		(f,
1113		(Integer x, Throwable t) -> {
1114	+	m.checkExecutionMode();
1115		threadAssertNull(x);
1116		threadAssertTrue(t instanceof CancellationException);
1117		a.getAndIncrement();
#	Line 869 | Line 1139 | public class CompletableFutureTest exten
1139		final CompletableFuture<Integer> g = m.handle
1140		(f,
1141		(Integer x, Throwable t) -> {
1142	+	m.checkExecutionMode();
1143		threadAssertNull(x);
1144		threadAssertSame(ex1, t);
1145		a.getAndIncrement();
#	Line 876 | Line 1147 | public class CompletableFutureTest exten
1147		});
1148		if (createIncomplete) f.completeExceptionally(ex1);
1149
1150	<	checkCompletedWithWrappedCFException(g, ex2);
1151	<	checkCompletedWithWrappedCFException(f, ex1);
1150	>	checkCompletedWithWrappedException(g, ex2);
1151	>	checkCompletedExceptionally(f, ex1);
1152		assertEquals(1, a.get());
1153		}}
1154
#	Line 889 | Line 1160 | public class CompletableFutureTest exten
1160		final CompletableFuture<Integer> f = new CompletableFuture<>();
1161		final AtomicInteger a = new AtomicInteger(0);
1162		final CFException ex = new CFException();
1163	<	if (!createIncomplete) f.complete(v1);
1163	>	if (!createIncomplete) assertTrue(f.complete(v1));
1164		final CompletableFuture<Integer> g = m.handle
1165		(f,
1166		(Integer x, Throwable t) -> {
1167	+	m.checkExecutionMode();
1168		threadAssertSame(x, v1);
1169		threadAssertNull(t);
1170		a.getAndIncrement();
1171		throw ex;
1172		});
1173	<	if (createIncomplete) f.complete(v1);
1173	>	if (createIncomplete) assertTrue(f.complete(v1));
1174
1175	<	checkCompletedWithWrappedCFException(g, ex);
1175	>	checkCompletedWithWrappedException(g, ex);
1176		checkCompletedNormally(f, v1);
1177		assertEquals(1, a.get());
1178		}}
#	Line 908 | Line 1180 | public class CompletableFutureTest exten
1180		/**
1181		* runAsync completes after running Runnable
1182		*/
1183	<	public void testRunAsync() {
1184	<	Noop r = new Noop();
1185	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1186	<	assertNull(f.join());
1187	<	assertEquals(1, r.invocationCount);
1188	<	checkCompletedNormally(f, null);
1189	<	}
1190	<
1191	<	/**
920	<	* runAsync with executor completes after running Runnable
921	<	*/
922	<	public void testRunAsync2() {
923	<	Noop r = new Noop();
924	<	ThreadExecutor exec = new ThreadExecutor();
925	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
1183	>	public void testRunAsync_normalCompletion() {
1184	>	ExecutionMode[] executionModes = {
1185	>	ExecutionMode.ASYNC,
1186	>	ExecutionMode.EXECUTOR,
1187	>	};
1188	>	for (ExecutionMode m : executionModes)
1189	>	{
1190	>	final Noop r = new Noop(m);
1191	>	final CompletableFuture<Void> f = m.runAsync(r);
1192		assertNull(f.join());
927	–	assertEquals(1, r.invocationCount);
1193		checkCompletedNormally(f, null);
1194	<	assertEquals(1, exec.count.get());
1195	<	}
1194	>	r.assertInvoked();
1195	>	}}
1196
1197		/**
1198		* failing runAsync completes exceptionally after running Runnable
1199		*/
1200	<	public void testRunAsync3() {
1201	<	FailingRunnable r = new FailingRunnable();
1202	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1200	>	public void testRunAsync_exceptionalCompletion() {
1201	>	ExecutionMode[] executionModes = {
1202	>	ExecutionMode.ASYNC,
1203	>	ExecutionMode.EXECUTOR,
1204	>	};
1205	>	for (ExecutionMode m : executionModes)
1206	>	{
1207	>	final FailingRunnable r = new FailingRunnable(m);
1208	>	final CompletableFuture<Void> f = m.runAsync(r);
1209		checkCompletedWithWrappedCFException(f);
1210	<	assertEquals(1, r.invocationCount);
1211	<	}
1210	>	r.assertInvoked();
1211	>	}}
1212
1213		/**
1214		* supplyAsync completes with result of supplier
1215		*/
1216	<	public void testSupplyAsync() {
1217	<	CompletableFuture<Integer> f;
1218	<	f = CompletableFuture.supplyAsync(supplyOne);
1219	<	assertEquals(f.join(), one);
1220	<	checkCompletedNormally(f, one);
1221	<	}
1222	<
1223	<	/**
1224	<	* supplyAsync with executor completes with result of supplier
1225	<	*/
1226	<	public void testSupplyAsync2() {
1227	<	CompletableFuture<Integer> f;
1228	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1229	<	assertEquals(f.join(), one);
959	<	checkCompletedNormally(f, one);
960	<	}
1216	>	public void testSupplyAsync_normalCompletion() {
1217	>	ExecutionMode[] executionModes = {
1218	>	ExecutionMode.ASYNC,
1219	>	ExecutionMode.EXECUTOR,
1220	>	};
1221	>	for (ExecutionMode m : executionModes)
1222	>	for (Integer v1 : new Integer[] { 1, null })
1223	>	{
1224	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1225	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1226	>	assertSame(v1, f.join());
1227	>	checkCompletedNormally(f, v1);
1228	>	r.assertInvoked();
1229	>	}}
1230
1231		/**
1232		* Failing supplyAsync completes exceptionally
1233		*/
1234	<	public void testSupplyAsync3() {
1235	<	FailingSupplier r = new FailingSupplier();
1236	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1234	>	public void testSupplyAsync_exceptionalCompletion() {
1235	>	ExecutionMode[] executionModes = {
1236	>	ExecutionMode.ASYNC,
1237	>	ExecutionMode.EXECUTOR,
1238	>	};
1239	>	for (ExecutionMode m : executionModes)
1240	>	{
1241	>	FailingSupplier r = new FailingSupplier(m);
1242	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1243		checkCompletedWithWrappedCFException(f);
1244	<	assertEquals(1, r.invocationCount);
1245	<	}
1244	>	r.assertInvoked();
1245	>	}}
1246
1247		// seq completion methods
1248
#	Line 976 | Line 1251 | public class CompletableFutureTest exten
1251		*/
1252		public void testThenRun_normalCompletion() {
1253		for (ExecutionMode m : ExecutionMode.values())
979	–	for (boolean createIncomplete : new boolean[] { true, false })
1254		for (Integer v1 : new Integer[] { 1, null })
1255		{
1256		final CompletableFuture<Integer> f = new CompletableFuture<>();
1257	<	final Noop r = new Noop();
1258	<	if (!createIncomplete) f.complete(v1);
985	<	final CompletableFuture<Void> g = m.thenRun(f, r);
986	<	if (createIncomplete) {
987	<	checkIncomplete(g);
988	<	f.complete(v1);
989	<	}
1257	>	final Noop[] rs = new Noop[6];
1258	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1259
1260	<	checkCompletedNormally(g, null);
1260	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1261	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1262	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1263	>	checkIncomplete(h0);
1264	>	checkIncomplete(h1);
1265	>	checkIncomplete(h2);
1266	>	assertTrue(f.complete(v1));
1267	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1268	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1269	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1270	>
1271	>	checkCompletedNormally(h0, null);
1272	>	checkCompletedNormally(h1, null);
1273	>	checkCompletedNormally(h2, null);
1274	>	checkCompletedNormally(h3, null);
1275	>	checkCompletedNormally(h4, null);
1276	>	checkCompletedNormally(h5, null);
1277		checkCompletedNormally(f, v1);
1278	<	assertEquals(1, r.invocationCount);
1278	>	for (Noop r : rs) r.assertInvoked();
1279		}}
1280
1281		/**
#	Line 999 | Line 1284 | public class CompletableFutureTest exten
1284		*/
1285		public void testThenRun_exceptionalCompletion() {
1286		for (ExecutionMode m : ExecutionMode.values())
1002	–	for (boolean createIncomplete : new boolean[] { true, false })
1287		{
1288		final CFException ex = new CFException();
1289		final CompletableFuture<Integer> f = new CompletableFuture<>();
1290	<	final Noop r = new Noop();
1291	<	if (!createIncomplete) f.completeExceptionally(ex);
1008	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1009	<	if (createIncomplete) {
1010	<	checkIncomplete(g);
1011	<	f.completeExceptionally(ex);
1012	<	}
1290	>	final Noop[] rs = new Noop[6];
1291	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1292
1293	<	checkCompletedWithWrappedCFException(g, ex);
1294	<	checkCompletedWithWrappedCFException(f, ex);
1295	<	assertEquals(0, r.invocationCount);
1293	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1294	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1295	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1296	>	checkIncomplete(h0);
1297	>	checkIncomplete(h1);
1298	>	checkIncomplete(h2);
1299	>	assertTrue(f.completeExceptionally(ex));
1300	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1301	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1302	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1303	>
1304	>	checkCompletedWithWrappedException(h0, ex);
1305	>	checkCompletedWithWrappedException(h1, ex);
1306	>	checkCompletedWithWrappedException(h2, ex);
1307	>	checkCompletedWithWrappedException(h3, ex);
1308	>	checkCompletedWithWrappedException(h4, ex);
1309	>	checkCompletedWithWrappedException(h5, ex);
1310	>	checkCompletedExceptionally(f, ex);
1311	>	for (Noop r : rs) r.assertNotInvoked();
1312		}}
1313
1314		/**
#	Line 1021 | Line 1316 | public class CompletableFutureTest exten
1316		*/
1317		public void testThenRun_sourceCancelled() {
1318		for (ExecutionMode m : ExecutionMode.values())
1024	–	for (boolean createIncomplete : new boolean[] { true, false })
1319		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1320		{
1321		final CompletableFuture<Integer> f = new CompletableFuture<>();
1322	<	final Noop r = new Noop();
1323	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1030	<	final CompletableFuture<Void> g = f.thenRun(r);
1031	<	if (createIncomplete) {
1032	<	checkIncomplete(g);
1033	<	assertTrue(f.cancel(mayInterruptIfRunning));
1034	<	}
1322	>	final Noop[] rs = new Noop[6];
1323	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1324
1325	<	checkCompletedWithWrappedCancellationException(g);
1325	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1326	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1327	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1328	>	checkIncomplete(h0);
1329	>	checkIncomplete(h1);
1330	>	checkIncomplete(h2);
1331	>	assertTrue(f.cancel(mayInterruptIfRunning));
1332	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1333	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1334	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1335	>
1336	>	checkCompletedWithWrappedCancellationException(h0);
1337	>	checkCompletedWithWrappedCancellationException(h1);
1338	>	checkCompletedWithWrappedCancellationException(h2);
1339	>	checkCompletedWithWrappedCancellationException(h3);
1340	>	checkCompletedWithWrappedCancellationException(h4);
1341	>	checkCompletedWithWrappedCancellationException(h5);
1342		checkCancelled(f);
1343	<	assertEquals(0, r.invocationCount);
1343	>	for (Noop r : rs) r.assertNotInvoked();
1344		}}
1345
1346		/**
#	Line 1043 | Line 1348 | public class CompletableFutureTest exten
1348		*/
1349		public void testThenRun_actionFailed() {
1350		for (ExecutionMode m : ExecutionMode.values())
1046	–	for (boolean createIncomplete : new boolean[] { true, false })
1351		for (Integer v1 : new Integer[] { 1, null })
1352		{
1353		final CompletableFuture<Integer> f = new CompletableFuture<>();
1354	<	final FailingRunnable r = new FailingRunnable();
1355	<	if (!createIncomplete) f.complete(v1);
1052	<	final CompletableFuture<Void> g = f.thenRun(r);
1053	<	if (createIncomplete) {
1054	<	checkIncomplete(g);
1055	<	f.complete(v1);
1056	<	}
1354	>	final FailingRunnable[] rs = new FailingRunnable[6];
1355	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1356
1357	<	checkCompletedWithWrappedCFException(g);
1357	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1358	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1359	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1360	>	assertTrue(f.complete(v1));
1361	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1362	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1363	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1364	>
1365	>	checkCompletedWithWrappedCFException(h0);
1366	>	checkCompletedWithWrappedCFException(h1);
1367	>	checkCompletedWithWrappedCFException(h2);
1368	>	checkCompletedWithWrappedCFException(h3);
1369	>	checkCompletedWithWrappedCFException(h4);
1370	>	checkCompletedWithWrappedCFException(h5);
1371		checkCompletedNormally(f, v1);
1372		}}
1373
#	Line 1064 | Line 1376 | public class CompletableFutureTest exten
1376		*/
1377		public void testThenApply_normalCompletion() {
1378		for (ExecutionMode m : ExecutionMode.values())
1067	–	for (boolean createIncomplete : new boolean[] { true, false })
1379		for (Integer v1 : new Integer[] { 1, null })
1380		{
1381		final CompletableFuture<Integer> f = new CompletableFuture<>();
1382	<	final IncFunction r = new IncFunction();
1383	<	if (!createIncomplete) f.complete(v1);
1073	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1074	<	if (createIncomplete) {
1075	<	checkIncomplete(g);
1076	<	f.complete(v1);
1077	<	}
1382	>	final IncFunction[] rs = new IncFunction[4];
1383	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1384
1385	<	checkCompletedNormally(g, inc(v1));
1385	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1386	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1387	>	checkIncomplete(h0);
1388	>	checkIncomplete(h1);
1389	>	assertTrue(f.complete(v1));
1390	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1391	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1392	>
1393	>	checkCompletedNormally(h0, inc(v1));
1394	>	checkCompletedNormally(h1, inc(v1));
1395	>	checkCompletedNormally(h2, inc(v1));
1396	>	checkCompletedNormally(h3, inc(v1));
1397		checkCompletedNormally(f, v1);
1398	<	assertEquals(1, r.invocationCount);
1398	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1399		}}
1400
1401		/**
#	Line 1087 | Line 1404 | public class CompletableFutureTest exten
1404		*/
1405		public void testThenApply_exceptionalCompletion() {
1406		for (ExecutionMode m : ExecutionMode.values())
1090	–	for (boolean createIncomplete : new boolean[] { true, false })
1407		{
1408		final CFException ex = new CFException();
1409		final CompletableFuture<Integer> f = new CompletableFuture<>();
1410	<	final IncFunction r = new IncFunction();
1411	<	if (!createIncomplete) f.completeExceptionally(ex);
1096	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1097	<	if (createIncomplete) {
1098	<	checkIncomplete(g);
1099	<	f.completeExceptionally(ex);
1100	<	}
1410	>	final IncFunction[] rs = new IncFunction[4];
1411	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1412
1413	<	checkCompletedWithWrappedCFException(g, ex);
1414	<	checkCompletedWithWrappedCFException(f, ex);
1415	<	assertEquals(0, r.invocationCount);
1413	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1414	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1415	>	assertTrue(f.completeExceptionally(ex));
1416	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1417	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1418	>
1419	>	checkCompletedWithWrappedException(h0, ex);
1420	>	checkCompletedWithWrappedException(h1, ex);
1421	>	checkCompletedWithWrappedException(h2, ex);
1422	>	checkCompletedWithWrappedException(h3, ex);
1423	>	checkCompletedExceptionally(f, ex);
1424	>	for (IncFunction r : rs) r.assertNotInvoked();
1425		}}
1426
1427		/**
#	Line 1109 | Line 1429 | public class CompletableFutureTest exten
1429		*/
1430		public void testThenApply_sourceCancelled() {
1431		for (ExecutionMode m : ExecutionMode.values())
1112	–	for (boolean createIncomplete : new boolean[] { true, false })
1432		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1433		{
1434		final CompletableFuture<Integer> f = new CompletableFuture<>();
1435	<	final IncFunction r = new IncFunction();
1436	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1118	<	final CompletableFuture<Integer> g = f.thenApply(r);
1119	<	if (createIncomplete) {
1120	<	checkIncomplete(g);
1121	<	assertTrue(f.cancel(mayInterruptIfRunning));
1122	<	}
1435	>	final IncFunction[] rs = new IncFunction[4];
1436	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1437
1438	<	checkCompletedWithWrappedCancellationException(g);
1438	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1439	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1440	>	assertTrue(f.cancel(mayInterruptIfRunning));
1441	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1442	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1443	>
1444	>	checkCompletedWithWrappedCancellationException(h0);
1445	>	checkCompletedWithWrappedCancellationException(h1);
1446	>	checkCompletedWithWrappedCancellationException(h2);
1447	>	checkCompletedWithWrappedCancellationException(h3);
1448		checkCancelled(f);
1449	<	assertEquals(0, r.invocationCount);
1449	>	for (IncFunction r : rs) r.assertNotInvoked();
1450		}}
1451
1452		/**
#	Line 1131 | Line 1454 | public class CompletableFutureTest exten
1454		*/
1455		public void testThenApply_actionFailed() {
1456		for (ExecutionMode m : ExecutionMode.values())
1134	–	for (boolean createIncomplete : new boolean[] { true, false })
1457		for (Integer v1 : new Integer[] { 1, null })
1458		{
1459		final CompletableFuture<Integer> f = new CompletableFuture<>();
1460	<	final FailingFunction r = new FailingFunction();
1461	<	if (!createIncomplete) f.complete(v1);
1140	<	final CompletableFuture<Integer> g = f.thenApply(r);
1141	<	if (createIncomplete) {
1142	<	checkIncomplete(g);
1143	<	f.complete(v1);
1144	<	}
1460	>	final FailingFunction[] rs = new FailingFunction[4];
1461	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1462
1463	<	checkCompletedWithWrappedCFException(g);
1463	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1464	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1465	>	assertTrue(f.complete(v1));
1466	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1467	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1468	>
1469	>	checkCompletedWithWrappedCFException(h0);
1470	>	checkCompletedWithWrappedCFException(h1);
1471	>	checkCompletedWithWrappedCFException(h2);
1472	>	checkCompletedWithWrappedCFException(h3);
1473		checkCompletedNormally(f, v1);
1474		}}
1475
#	Line 1152 | Line 1478 | public class CompletableFutureTest exten
1478		*/
1479		public void testThenAccept_normalCompletion() {
1480		for (ExecutionMode m : ExecutionMode.values())
1155	–	for (boolean createIncomplete : new boolean[] { true, false })
1481		for (Integer v1 : new Integer[] { 1, null })
1482		{
1483		final CompletableFuture<Integer> f = new CompletableFuture<>();
1484	<	final IncAction r = new IncAction();
1485	<	if (!createIncomplete) f.complete(v1);
1161	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1162	<	if (createIncomplete) {
1163	<	checkIncomplete(g);
1164	<	f.complete(v1);
1165	<	}
1484	>	final NoopConsumer[] rs = new NoopConsumer[4];
1485	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1486
1487	<	checkCompletedNormally(g, null);
1487	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1488	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1489	>	checkIncomplete(h0);
1490	>	checkIncomplete(h1);
1491	>	assertTrue(f.complete(v1));
1492	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1493	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1494	>
1495	>	checkCompletedNormally(h0, null);
1496	>	checkCompletedNormally(h1, null);
1497	>	checkCompletedNormally(h2, null);
1498	>	checkCompletedNormally(h3, null);
1499		checkCompletedNormally(f, v1);
1500	<	assertEquals(1, r.invocationCount);
1170	<	assertEquals(inc(v1), r.value);
1500	>	for (NoopConsumer r : rs) r.assertValue(v1);
1501		}}
1502
1503		/**
#	Line 1176 | Line 1506 | public class CompletableFutureTest exten
1506		*/
1507		public void testThenAccept_exceptionalCompletion() {
1508		for (ExecutionMode m : ExecutionMode.values())
1179	–	for (boolean createIncomplete : new boolean[] { true, false })
1509		{
1510		final CFException ex = new CFException();
1511		final CompletableFuture<Integer> f = new CompletableFuture<>();
1512	<	final IncAction r = new IncAction();
1513	<	if (!createIncomplete) f.completeExceptionally(ex);
1185	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1186	<	if (createIncomplete) {
1187	<	checkIncomplete(g);
1188	<	f.completeExceptionally(ex);
1189	<	}
1512	>	final NoopConsumer[] rs = new NoopConsumer[4];
1513	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1514
1515	<	checkCompletedWithWrappedCFException(g, ex);
1516	<	checkCompletedWithWrappedCFException(f, ex);
1517	<	assertEquals(0, r.invocationCount);
1515	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1516	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1517	>	assertTrue(f.completeExceptionally(ex));
1518	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1519	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1520	>
1521	>	checkCompletedWithWrappedException(h0, ex);
1522	>	checkCompletedWithWrappedException(h1, ex);
1523	>	checkCompletedWithWrappedException(h2, ex);
1524	>	checkCompletedWithWrappedException(h3, ex);
1525	>	checkCompletedExceptionally(f, ex);
1526	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1527		}}
1528
1529		/**
1530	<	* thenAccept result completes exceptionally if action does
1530	>	* thenAccept result completes exceptionally if source cancelled
1531		*/
1532	<	public void testThenAccept_actionFailed() {
1532	>	public void testThenAccept_sourceCancelled() {
1533		for (ExecutionMode m : ExecutionMode.values())
1534	<	for (boolean createIncomplete : new boolean[] { true, false })
1202	<	for (Integer v1 : new Integer[] { 1, null })
1534	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1535		{
1536		final CompletableFuture<Integer> f = new CompletableFuture<>();
1537	<	final FailingConsumer r = new FailingConsumer();
1538	<	if (!createIncomplete) f.complete(v1);
1207	<	final CompletableFuture<Void> g = f.thenAccept(r);
1208	<	if (createIncomplete) {
1209	<	checkIncomplete(g);
1210	<	f.complete(v1);
1211	<	}
1537	>	final NoopConsumer[] rs = new NoopConsumer[4];
1538	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1539
1540	<	checkCompletedWithWrappedCFException(g);
1541	<	checkCompletedNormally(f, v1);
1540	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1541	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1542	>	assertTrue(f.cancel(mayInterruptIfRunning));
1543	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1544	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1545	>
1546	>	checkCompletedWithWrappedCancellationException(h0);
1547	>	checkCompletedWithWrappedCancellationException(h1);
1548	>	checkCompletedWithWrappedCancellationException(h2);
1549	>	checkCompletedWithWrappedCancellationException(h3);
1550	>	checkCancelled(f);
1551	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1552		}}
1553
1554		/**
1555	<	* thenAccept result completes exceptionally if source cancelled
1555	>	* thenAccept result completes exceptionally if action does
1556		*/
1557	<	public void testThenAccept_sourceCancelled() {
1557	>	public void testThenAccept_actionFailed() {
1558		for (ExecutionMode m : ExecutionMode.values())
1559	<	for (boolean createIncomplete : new boolean[] { true, false })
1223	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1559	>	for (Integer v1 : new Integer[] { 1, null })
1560		{
1561		final CompletableFuture<Integer> f = new CompletableFuture<>();
1562	<	final IncAction r = new IncAction();
1563	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1228	<	final CompletableFuture<Void> g = f.thenAccept(r);
1229	<	if (createIncomplete) {
1230	<	checkIncomplete(g);
1231	<	assertTrue(f.cancel(mayInterruptIfRunning));
1232	<	}
1562	>	final FailingConsumer[] rs = new FailingConsumer[4];
1563	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1564
1565	<	checkCompletedWithWrappedCancellationException(g);
1566	<	checkCancelled(f);
1567	<	assertEquals(0, r.invocationCount);
1565	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1566	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1567	>	assertTrue(f.complete(v1));
1568	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1569	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1570	>
1571	>	checkCompletedWithWrappedCFException(h0);
1572	>	checkCompletedWithWrappedCFException(h1);
1573	>	checkCompletedWithWrappedCFException(h2);
1574	>	checkCompletedWithWrappedCFException(h3);
1575	>	checkCompletedNormally(f, v1);
1576		}}
1577
1578		/**
#	Line 1242 | Line 1581 | public class CompletableFutureTest exten
1581		*/
1582		public void testThenCombine_normalCompletion() {
1583		for (ExecutionMode m : ExecutionMode.values())
1245	–	for (boolean createIncomplete : new boolean[] { true, false })
1584		for (boolean fFirst : new boolean[] { true, false })
1585		for (Integer v1 : new Integer[] { 1, null })
1586		for (Integer v2 : new Integer[] { 2, null })
1587		{
1588		final CompletableFuture<Integer> f = new CompletableFuture<>();
1589		final CompletableFuture<Integer> g = new CompletableFuture<>();
1590	<	final SubtractFunction r = new SubtractFunction();
1590	>	final SubtractFunction[] rs = new SubtractFunction[6];
1591	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1592
1593	<	if (fFirst) f.complete(v1); else g.complete(v2);
1594	<	if (!createIncomplete)
1595	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1596	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1597	<	if (createIncomplete) {
1598	<	checkIncomplete(h);
1599	<	assertEquals(0, r.invocationCount);
1600	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1601	<	}
1593	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1594	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1595	>	final Integer w1 =  fFirst ? v1 : v2;
1596	>	final Integer w2 = !fFirst ? v1 : v2;
1597	>
1598	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1599	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1600	>	assertTrue(fst.complete(w1));
1601	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1602	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1603	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1604	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1605	>	checkCompletedNormally(h1, subtract(w1, w1));
1606	>	checkCompletedNormally(h3, subtract(w1, w1));
1607	>	rs[1].assertValue(subtract(w1, w1));
1608	>	rs[3].assertValue(subtract(w1, w1));
1609	>	assertTrue(snd.complete(w2));
1610	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1611	>
1612	>	checkCompletedNormally(h0, subtract(v1, v2));
1613	>	checkCompletedNormally(h2, subtract(v1, v2));
1614	>	checkCompletedNormally(h4, subtract(v1, v2));
1615	>	rs[0].assertValue(subtract(v1, v2));
1616	>	rs[2].assertValue(subtract(v1, v2));
1617	>	rs[4].assertValue(subtract(v1, v2));
1618
1264	–	checkCompletedNormally(h, subtract(v1, v2));
1619		checkCompletedNormally(f, v1);
1620		checkCompletedNormally(g, v2);
1267	–	assertEquals(1, r.invocationCount);
1621		}}
1622
1623		/**
1624		* thenCombine result completes exceptionally after exceptional
1625		* completion of either source
1626		*/
1627	<	public void testThenCombine_exceptionalCompletion1() {
1275	<	for (ExecutionMode m : ExecutionMode.values())
1276	<	for (Integer v1 : new Integer[] { 1, null })
1277	<	{
1278	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1279	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1280	<	final SubtractFunction r = new SubtractFunction();
1281	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1282	<	final CFException ex = new CFException();
1283	<
1284	<	f.completeExceptionally(ex);
1285	<	checkIncomplete(h);
1286	<	g.complete(v1);
1287	<
1288	<	checkCompletedWithWrappedCFException(h, ex);
1289	<	checkCompletedWithWrappedCFException(f, ex);
1290	<	assertEquals(0, r.invocationCount);
1291	<	checkCompletedNormally(g, v1);
1292	<	}}
1293	<
1294	<	public void testThenCombine_exceptionalCompletion2() {
1295	<	for (ExecutionMode m : ExecutionMode.values())
1296	<	for (Integer v1 : new Integer[] { 1, null })
1297	<	{
1298	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1299	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1300	<	final SubtractFunction r = new SubtractFunction();
1301	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1302	<	final CFException ex = new CFException();
1303	<
1304	<	g.completeExceptionally(ex);
1305	<	checkIncomplete(h);
1306	<	f.complete(v1);
1307	<
1308	<	checkCompletedWithWrappedCFException(h, ex);
1309	<	checkCompletedWithWrappedCFException(g, ex);
1310	<	assertEquals(0, r.invocationCount);
1311	<	checkCompletedNormally(f, v1);
1312	<	}}
1313	<
1314	<	public void testThenCombine_exceptionalCompletion3() {
1627	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1628		for (ExecutionMode m : ExecutionMode.values())
1629	+	for (boolean fFirst : new boolean[] { true, false })
1630	+	for (boolean failFirst : new boolean[] { true, false })
1631		for (Integer v1 : new Integer[] { 1, null })
1632		{
1633		final CompletableFuture<Integer> f = new CompletableFuture<>();
1634		final CompletableFuture<Integer> g = new CompletableFuture<>();
1320	–	final SubtractFunction r = new SubtractFunction();
1635		final CFException ex = new CFException();
1636	<
1637	<	g.completeExceptionally(ex);
1638	<	f.complete(v1);
1639	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1640	<
1641	<	checkCompletedWithWrappedCFException(h, ex);
1642	<	checkCompletedWithWrappedCFException(g, ex);
1643	<	assertEquals(0, r.invocationCount);
1644	<	checkCompletedNormally(f, v1);
1636	>	final SubtractFunction r1 = new SubtractFunction(m);
1637	>	final SubtractFunction r2 = new SubtractFunction(m);
1638	>	final SubtractFunction r3 = new SubtractFunction(m);
1639	>
1640	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1641	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1642	>	final Callable<Boolean> complete1 = failFirst ?
1643	>	() -> fst.completeExceptionally(ex) :
1644	>	() -> fst.complete(v1);
1645	>	final Callable<Boolean> complete2 = failFirst ?
1646	>	() -> snd.complete(v1) :
1647	>	() -> snd.completeExceptionally(ex);
1648	>
1649	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1650	>	assertTrue(complete1.call());
1651	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1652	>	checkIncomplete(h1);
1653	>	checkIncomplete(h2);
1654	>	assertTrue(complete2.call());
1655	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1656	>
1657	>	checkCompletedWithWrappedException(h1, ex);
1658	>	checkCompletedWithWrappedException(h2, ex);
1659	>	checkCompletedWithWrappedException(h3, ex);
1660	>	r1.assertNotInvoked();
1661	>	r2.assertNotInvoked();
1662	>	r3.assertNotInvoked();
1663	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1664	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1665		}}
1666
1667	<	public void testThenCombine_exceptionalCompletion4() {
1667	>	/**
1668	>	* thenCombine result completes exceptionally if either source cancelled
1669	>	*/
1670	>	public void testThenCombine_sourceCancelled() throws Throwable {
1671		for (ExecutionMode m : ExecutionMode.values())
1672	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1673	+	for (boolean fFirst : new boolean[] { true, false })
1674	+	for (boolean failFirst : new boolean[] { true, false })
1675		for (Integer v1 : new Integer[] { 1, null })
1676		{
1677		final CompletableFuture<Integer> f = new CompletableFuture<>();
1678		final CompletableFuture<Integer> g = new CompletableFuture<>();
1679	<	final SubtractFunction r = new SubtractFunction();
1680	<	final CFException ex = new CFException();
1681	<
1682	<	f.completeExceptionally(ex);
1683	<	g.complete(v1);
1684	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1685	<
1686	<	checkCompletedWithWrappedCFException(h, ex);
1687	<	checkCompletedWithWrappedCFException(f, ex);
1688	<	assertEquals(0, r.invocationCount);
1689	<	checkCompletedNormally(g, v1);
1679	>	final SubtractFunction r1 = new SubtractFunction(m);
1680	>	final SubtractFunction r2 = new SubtractFunction(m);
1681	>	final SubtractFunction r3 = new SubtractFunction(m);
1682	>
1683	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1684	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1685	>	final Callable<Boolean> complete1 = failFirst ?
1686	>	() -> fst.cancel(mayInterruptIfRunning) :
1687	>	() -> fst.complete(v1);
1688	>	final Callable<Boolean> complete2 = failFirst ?
1689	>	() -> snd.complete(v1) :
1690	>	() -> snd.cancel(mayInterruptIfRunning);
1691	>
1692	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1693	>	assertTrue(complete1.call());
1694	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1695	>	checkIncomplete(h1);
1696	>	checkIncomplete(h2);
1697	>	assertTrue(complete2.call());
1698	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1699	>
1700	>	checkCompletedWithWrappedCancellationException(h1);
1701	>	checkCompletedWithWrappedCancellationException(h2);
1702	>	checkCompletedWithWrappedCancellationException(h3);
1703	>	r1.assertNotInvoked();
1704	>	r2.assertNotInvoked();
1705	>	r3.assertNotInvoked();
1706	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1707	>	checkCancelled(failFirst ? fst : snd);
1708		}}
1709
1710		/**
1711		* thenCombine result completes exceptionally if action does
1712		*/
1713	<	public void testThenCombine_actionFailed1() {
1356	<	for (ExecutionMode m : ExecutionMode.values())
1357	<	for (Integer v1 : new Integer[] { 1, null })
1358	<	for (Integer v2 : new Integer[] { 2, null })
1359	<	{
1360	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1361	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1362	<	final FailingBiFunction r = new FailingBiFunction();
1363	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1364	<
1365	<	f.complete(v1);
1366	<	checkIncomplete(h);
1367	<	g.complete(v2);
1368	<
1369	<	checkCompletedWithWrappedCFException(h);
1370	<	checkCompletedNormally(f, v1);
1371	<	checkCompletedNormally(g, v2);
1372	<	}}
1373	<
1374	<	public void testThenCombine_actionFailed2() {
1713	>	public void testThenCombine_actionFailed() {
1714		for (ExecutionMode m : ExecutionMode.values())
1715	+	for (boolean fFirst : new boolean[] { true, false })
1716		for (Integer v1 : new Integer[] { 1, null })
1717		for (Integer v2 : new Integer[] { 2, null })
1718		{
1719		final CompletableFuture<Integer> f = new CompletableFuture<>();
1720		final CompletableFuture<Integer> g = new CompletableFuture<>();
1721	<	final FailingBiFunction r = new FailingBiFunction();
1722	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1723	<
1724	<	g.complete(v2);
1725	<	checkIncomplete(h);
1726	<	f.complete(v1);
1727	<
1728	<	checkCompletedWithWrappedCFException(h);
1721	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1722	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1723	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1724	>
1725	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1726	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1727	>	final Integer w1 =  fFirst ? v1 : v2;
1728	>	final Integer w2 = !fFirst ? v1 : v2;
1729	>
1730	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1731	>	assertTrue(fst.complete(w1));
1732	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1733	>	assertTrue(snd.complete(w2));
1734	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1735	>
1736	>	checkCompletedWithWrappedCFException(h1);
1737	>	checkCompletedWithWrappedCFException(h2);
1738	>	checkCompletedWithWrappedCFException(h3);
1739	>	r1.assertInvoked();
1740	>	r2.assertInvoked();
1741	>	r3.assertInvoked();
1742		checkCompletedNormally(f, v1);
1743		checkCompletedNormally(g, v2);
1744		}}
1745
1746		/**
1394	–	* thenCombine result completes exceptionally if either source cancelled
1395	–	*/
1396	–	public void testThenCombine_sourceCancelled1() {
1397	–	for (ExecutionMode m : ExecutionMode.values())
1398	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1399	–	for (Integer v1 : new Integer[] { 1, null })
1400	–	{
1401	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1402	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1403	–	final SubtractFunction r = new SubtractFunction();
1404	–	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1405	–
1406	–	assertTrue(f.cancel(mayInterruptIfRunning));
1407	–	checkIncomplete(h);
1408	–	g.complete(v1);
1409	–
1410	–	checkCompletedWithWrappedCancellationException(h);
1411	–	checkCancelled(f);
1412	–	assertEquals(0, r.invocationCount);
1413	–	checkCompletedNormally(g, v1);
1414	–	}}
1415	–
1416	–	public void testThenCombine_sourceCancelled2() {
1417	–	for (ExecutionMode m : ExecutionMode.values())
1418	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1419	–	for (Integer v1 : new Integer[] { 1, null })
1420	–	{
1421	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1422	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1423	–	final SubtractFunction r = new SubtractFunction();
1424	–	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1425	–
1426	–	assertTrue(g.cancel(mayInterruptIfRunning));
1427	–	checkIncomplete(h);
1428	–	f.complete(v1);
1429	–
1430	–	checkCompletedWithWrappedCancellationException(h);
1431	–	checkCancelled(g);
1432	–	assertEquals(0, r.invocationCount);
1433	–	checkCompletedNormally(f, v1);
1434	–	}}
1435	–
1436	–	public void testThenCombine_sourceCancelled3() {
1437	–	for (ExecutionMode m : ExecutionMode.values())
1438	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1439	–	for (Integer v1 : new Integer[] { 1, null })
1440	–	{
1441	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1442	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1443	–	final SubtractFunction r = new SubtractFunction();
1444	–
1445	–	assertTrue(g.cancel(mayInterruptIfRunning));
1446	–	f.complete(v1);
1447	–	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1448	–
1449	–	checkCompletedWithWrappedCancellationException(h);
1450	–	checkCancelled(g);
1451	–	assertEquals(0, r.invocationCount);
1452	–	checkCompletedNormally(f, v1);
1453	–	}}
1454	–
1455	–	public void testThenCombine_sourceCancelled4() {
1456	–	for (ExecutionMode m : ExecutionMode.values())
1457	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1458	–	for (Integer v1 : new Integer[] { 1, null })
1459	–	{
1460	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1461	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1462	–	final SubtractFunction r = new SubtractFunction();
1463	–
1464	–	assertTrue(f.cancel(mayInterruptIfRunning));
1465	–	g.complete(v1);
1466	–	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1467	–
1468	–	checkCompletedWithWrappedCancellationException(h);
1469	–	checkCancelled(f);
1470	–	assertEquals(0, r.invocationCount);
1471	–	checkCompletedNormally(g, v1);
1472	–	}}
1473	–
1474	–	/**
1747		* thenAcceptBoth result completes normally after normal
1748		* completion of sources
1749		*/
1750	<	public void testThenAcceptBoth_normalCompletion1() {
1479	<	for (ExecutionMode m : ExecutionMode.values())
1480	<	for (Integer v1 : new Integer[] { 1, null })
1481	<	for (Integer v2 : new Integer[] { 2, null })
1482	<	{
1483	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1484	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1485	<	final SubtractAction r = new SubtractAction();
1486	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1487	<
1488	<	f.complete(v1);
1489	<	checkIncomplete(h);
1490	<	assertEquals(0, r.invocationCount);
1491	<	g.complete(v2);
1492	<
1493	<	checkCompletedNormally(h, null);
1494	<	assertEquals(subtract(v1, v2), r.value);
1495	<	checkCompletedNormally(f, v1);
1496	<	checkCompletedNormally(g, v2);
1497	<	}}
1498	<
1499	<	public void testThenAcceptBoth_normalCompletion2() {
1500	<	for (ExecutionMode m : ExecutionMode.values())
1501	<	for (Integer v1 : new Integer[] { 1, null })
1502	<	for (Integer v2 : new Integer[] { 2, null })
1503	<	{
1504	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1505	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1506	<	final SubtractAction r = new SubtractAction();
1507	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1508	<
1509	<	g.complete(v2);
1510	<	checkIncomplete(h);
1511	<	assertEquals(0, r.invocationCount);
1512	<	f.complete(v1);
1513	<
1514	<	checkCompletedNormally(h, null);
1515	<	assertEquals(subtract(v1, v2), r.value);
1516	<	checkCompletedNormally(f, v1);
1517	<	checkCompletedNormally(g, v2);
1518	<	}}
1519	<
1520	<	public void testThenAcceptBoth_normalCompletion3() {
1521	<	for (ExecutionMode m : ExecutionMode.values())
1522	<	for (Integer v1 : new Integer[] { 1, null })
1523	<	for (Integer v2 : new Integer[] { 2, null })
1524	<	{
1525	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1526	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1527	<	final SubtractAction r = new SubtractAction();
1528	<
1529	<	g.complete(v2);
1530	<	f.complete(v1);
1531	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1532	<
1533	<	checkCompletedNormally(h, null);
1534	<	assertEquals(subtract(v1, v2), r.value);
1535	<	checkCompletedNormally(f, v1);
1536	<	checkCompletedNormally(g, v2);
1537	<	}}
1538	<
1539	<	public void testThenAcceptBoth_normalCompletion4() {
1750	>	public void testThenAcceptBoth_normalCompletion() {
1751		for (ExecutionMode m : ExecutionMode.values())
1752	+	for (boolean fFirst : new boolean[] { true, false })
1753		for (Integer v1 : new Integer[] { 1, null })
1754		for (Integer v2 : new Integer[] { 2, null })
1755		{
1756		final CompletableFuture<Integer> f = new CompletableFuture<>();
1757		final CompletableFuture<Integer> g = new CompletableFuture<>();
1758	<	final SubtractAction r = new SubtractAction();
1759	<
1760	<	f.complete(v1);
1761	<	g.complete(v2);
1762	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1763	<
1764	<	checkCompletedNormally(h, null);
1765	<	assertEquals(subtract(v1, v2), r.value);
1758	>	final SubtractAction r1 = new SubtractAction(m);
1759	>	final SubtractAction r2 = new SubtractAction(m);
1760	>	final SubtractAction r3 = new SubtractAction(m);
1761	>
1762	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1763	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1764	>	final Integer w1 =  fFirst ? v1 : v2;
1765	>	final Integer w2 = !fFirst ? v1 : v2;
1766	>
1767	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1768	>	assertTrue(fst.complete(w1));
1769	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1770	>	checkIncomplete(h1);
1771	>	checkIncomplete(h2);
1772	>	r1.assertNotInvoked();
1773	>	r2.assertNotInvoked();
1774	>	assertTrue(snd.complete(w2));
1775	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1776	>
1777	>	checkCompletedNormally(h1, null);
1778	>	checkCompletedNormally(h2, null);
1779	>	checkCompletedNormally(h3, null);
1780	>	r1.assertValue(subtract(v1, v2));
1781	>	r2.assertValue(subtract(v1, v2));
1782	>	r3.assertValue(subtract(v1, v2));
1783		checkCompletedNormally(f, v1);
1784		checkCompletedNormally(g, v2);
1785		}}
#	Line 1559 | Line 1788 | public class CompletableFutureTest exten
1788		* thenAcceptBoth result completes exceptionally after exceptional
1789		* completion of either source
1790		*/
1791	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1563	<	for (ExecutionMode m : ExecutionMode.values())
1564	<	for (Integer v1 : new Integer[] { 1, null })
1565	<	{
1566	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1567	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1568	<	final SubtractAction r = new SubtractAction();
1569	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1570	<	final CFException ex = new CFException();
1571	<
1572	<	f.completeExceptionally(ex);
1573	<	checkIncomplete(h);
1574	<	g.complete(v1);
1575	<
1576	<	checkCompletedWithWrappedCFException(h, ex);
1577	<	checkCompletedWithWrappedCFException(f, ex);
1578	<	assertEquals(0, r.invocationCount);
1579	<	checkCompletedNormally(g, v1);
1580	<	}}
1581	<
1582	<	public void testThenAcceptBoth_exceptionalCompletion2() {
1583	<	for (ExecutionMode m : ExecutionMode.values())
1584	<	for (Integer v1 : new Integer[] { 1, null })
1585	<	{
1586	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1587	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1588	<	final SubtractAction r = new SubtractAction();
1589	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1590	<	final CFException ex = new CFException();
1591	<
1592	<	g.completeExceptionally(ex);
1593	<	checkIncomplete(h);
1594	<	f.complete(v1);
1595	<
1596	<	checkCompletedWithWrappedCFException(h, ex);
1597	<	checkCompletedWithWrappedCFException(g, ex);
1598	<	assertEquals(0, r.invocationCount);
1599	<	checkCompletedNormally(f, v1);
1600	<	}}
1601	<
1602	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1791	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1792		for (ExecutionMode m : ExecutionMode.values())
1793	+	for (boolean fFirst : new boolean[] { true, false })
1794	+	for (boolean failFirst : new boolean[] { true, false })
1795		for (Integer v1 : new Integer[] { 1, null })
1796		{
1797		final CompletableFuture<Integer> f = new CompletableFuture<>();
1798		final CompletableFuture<Integer> g = new CompletableFuture<>();
1608	–	final SubtractAction r = new SubtractAction();
1799		final CFException ex = new CFException();
1800	<
1801	<	g.completeExceptionally(ex);
1802	<	f.complete(v1);
1803	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1804	<
1805	<	checkCompletedWithWrappedCFException(h, ex);
1806	<	checkCompletedWithWrappedCFException(g, ex);
1807	<	assertEquals(0, r.invocationCount);
1808	<	checkCompletedNormally(f, v1);
1800	>	final SubtractAction r1 = new SubtractAction(m);
1801	>	final SubtractAction r2 = new SubtractAction(m);
1802	>	final SubtractAction r3 = new SubtractAction(m);
1803	>
1804	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1805	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1806	>	final Callable<Boolean> complete1 = failFirst ?
1807	>	() -> fst.completeExceptionally(ex) :
1808	>	() -> fst.complete(v1);
1809	>	final Callable<Boolean> complete2 = failFirst ?
1810	>	() -> snd.complete(v1) :
1811	>	() -> snd.completeExceptionally(ex);
1812	>
1813	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1814	>	assertTrue(complete1.call());
1815	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1816	>	checkIncomplete(h1);
1817	>	checkIncomplete(h2);
1818	>	assertTrue(complete2.call());
1819	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1820	>
1821	>	checkCompletedWithWrappedException(h1, ex);
1822	>	checkCompletedWithWrappedException(h2, ex);
1823	>	checkCompletedWithWrappedException(h3, ex);
1824	>	r1.assertNotInvoked();
1825	>	r2.assertNotInvoked();
1826	>	r3.assertNotInvoked();
1827	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1828	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1829		}}
1830
1831	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1831	>	/**
1832	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1833	>	*/
1834	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1835		for (ExecutionMode m : ExecutionMode.values())
1836	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1837	+	for (boolean fFirst : new boolean[] { true, false })
1838	+	for (boolean failFirst : new boolean[] { true, false })
1839		for (Integer v1 : new Integer[] { 1, null })
1840		{
1841		final CompletableFuture<Integer> f = new CompletableFuture<>();
1842		final CompletableFuture<Integer> g = new CompletableFuture<>();
1843	<	final SubtractAction r = new SubtractAction();
1844	<	final CFException ex = new CFException();
1845	<
1846	<	f.completeExceptionally(ex);
1847	<	g.complete(v1);
1848	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1849	<
1850	<	checkCompletedWithWrappedCFException(h, ex);
1851	<	checkCompletedWithWrappedCFException(f, ex);
1852	<	assertEquals(0, r.invocationCount);
1853	<	checkCompletedNormally(g, v1);
1843	>	final SubtractAction r1 = new SubtractAction(m);
1844	>	final SubtractAction r2 = new SubtractAction(m);
1845	>	final SubtractAction r3 = new SubtractAction(m);
1846	>
1847	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1848	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1849	>	final Callable<Boolean> complete1 = failFirst ?
1850	>	() -> fst.cancel(mayInterruptIfRunning) :
1851	>	() -> fst.complete(v1);
1852	>	final Callable<Boolean> complete2 = failFirst ?
1853	>	() -> snd.complete(v1) :
1854	>	() -> snd.cancel(mayInterruptIfRunning);
1855	>
1856	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1857	>	assertTrue(complete1.call());
1858	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1859	>	checkIncomplete(h1);
1860	>	checkIncomplete(h2);
1861	>	assertTrue(complete2.call());
1862	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1863	>
1864	>	checkCompletedWithWrappedCancellationException(h1);
1865	>	checkCompletedWithWrappedCancellationException(h2);
1866	>	checkCompletedWithWrappedCancellationException(h3);
1867	>	r1.assertNotInvoked();
1868	>	r2.assertNotInvoked();
1869	>	r3.assertNotInvoked();
1870	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1871	>	checkCancelled(failFirst ? fst : snd);
1872		}}
1873
1874		/**
1875		* thenAcceptBoth result completes exceptionally if action does
1876		*/
1877	<	public void testThenAcceptBoth_actionFailed1() {
1644	<	for (ExecutionMode m : ExecutionMode.values())
1645	<	for (Integer v1 : new Integer[] { 1, null })
1646	<	for (Integer v2 : new Integer[] { 2, null })
1647	<	{
1648	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1649	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1650	<	final FailingBiConsumer r = new FailingBiConsumer();
1651	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1652	<
1653	<	f.complete(v1);
1654	<	checkIncomplete(h);
1655	<	g.complete(v2);
1656	<
1657	<	checkCompletedWithWrappedCFException(h);
1658	<	checkCompletedNormally(f, v1);
1659	<	checkCompletedNormally(g, v2);
1660	<	}}
1661	<
1662	<	public void testThenAcceptBoth_actionFailed2() {
1877	>	public void testThenAcceptBoth_actionFailed() {
1878		for (ExecutionMode m : ExecutionMode.values())
1879	+	for (boolean fFirst : new boolean[] { true, false })
1880		for (Integer v1 : new Integer[] { 1, null })
1881		for (Integer v2 : new Integer[] { 2, null })
1882		{
1883		final CompletableFuture<Integer> f = new CompletableFuture<>();
1884		final CompletableFuture<Integer> g = new CompletableFuture<>();
1885	<	final FailingBiConsumer r = new FailingBiConsumer();
1886	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1887	<
1888	<	g.complete(v2);
1889	<	checkIncomplete(h);
1890	<	f.complete(v1);
1891	<
1892	<	checkCompletedWithWrappedCFException(h);
1885	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1886	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1887	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1888	>
1889	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1890	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1891	>	final Integer w1 =  fFirst ? v1 : v2;
1892	>	final Integer w2 = !fFirst ? v1 : v2;
1893	>
1894	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1895	>	assertTrue(fst.complete(w1));
1896	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1897	>	assertTrue(snd.complete(w2));
1898	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1899	>
1900	>	checkCompletedWithWrappedCFException(h1);
1901	>	checkCompletedWithWrappedCFException(h2);
1902	>	checkCompletedWithWrappedCFException(h3);
1903	>	r1.assertInvoked();
1904	>	r2.assertInvoked();
1905	>	r3.assertInvoked();
1906		checkCompletedNormally(f, v1);
1907		checkCompletedNormally(g, v2);
1908		}}
1909
1910		/**
1682	–	* thenAcceptBoth result completes exceptionally if either source cancelled
1683	–	*/
1684	–	public void testThenAcceptBoth_sourceCancelled1() {
1685	–	for (ExecutionMode m : ExecutionMode.values())
1686	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1687	–	for (Integer v1 : new Integer[] { 1, null })
1688	–	{
1689	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1690	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1691	–	final SubtractAction r = new SubtractAction();
1692	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1693	–
1694	–	assertTrue(f.cancel(mayInterruptIfRunning));
1695	–	checkIncomplete(h);
1696	–	g.complete(v1);
1697	–
1698	–	checkCompletedWithWrappedCancellationException(h);
1699	–	checkCancelled(f);
1700	–	assertEquals(0, r.invocationCount);
1701	–	checkCompletedNormally(g, v1);
1702	–	}}
1703	–
1704	–	public void testThenAcceptBoth_sourceCancelled2() {
1705	–	for (ExecutionMode m : ExecutionMode.values())
1706	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1707	–	for (Integer v1 : new Integer[] { 1, null })
1708	–	{
1709	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1710	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1711	–	final SubtractAction r = new SubtractAction();
1712	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1713	–
1714	–	assertTrue(g.cancel(mayInterruptIfRunning));
1715	–	checkIncomplete(h);
1716	–	f.complete(v1);
1717	–
1718	–	checkCompletedWithWrappedCancellationException(h);
1719	–	checkCancelled(g);
1720	–	assertEquals(0, r.invocationCount);
1721	–	checkCompletedNormally(f, v1);
1722	–	}}
1723	–
1724	–	public void testThenAcceptBoth_sourceCancelled3() {
1725	–	for (ExecutionMode m : ExecutionMode.values())
1726	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1727	–	for (Integer v1 : new Integer[] { 1, null })
1728	–	{
1729	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1730	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1731	–	final SubtractAction r = new SubtractAction();
1732	–
1733	–	assertTrue(g.cancel(mayInterruptIfRunning));
1734	–	f.complete(v1);
1735	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1736	–
1737	–	checkCompletedWithWrappedCancellationException(h);
1738	–	checkCancelled(g);
1739	–	assertEquals(0, r.invocationCount);
1740	–	checkCompletedNormally(f, v1);
1741	–	}}
1742	–
1743	–	public void testThenAcceptBoth_sourceCancelled4() {
1744	–	for (ExecutionMode m : ExecutionMode.values())
1745	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1746	–	for (Integer v1 : new Integer[] { 1, null })
1747	–	{
1748	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1749	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1750	–	final SubtractAction r = new SubtractAction();
1751	–
1752	–	assertTrue(f.cancel(mayInterruptIfRunning));
1753	–	g.complete(v1);
1754	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1755	–
1756	–	checkCompletedWithWrappedCancellationException(h);
1757	–	checkCancelled(f);
1758	–	assertEquals(0, r.invocationCount);
1759	–	checkCompletedNormally(g, v1);
1760	–	}}
1761	–
1762	–	/**
1911		* runAfterBoth result completes normally after normal
1912		* completion of sources
1913		*/
1914	<	public void testRunAfterBoth_normalCompletion1() {
1767	<	for (ExecutionMode m : ExecutionMode.values())
1768	<	for (Integer v1 : new Integer[] { 1, null })
1769	<	for (Integer v2 : new Integer[] { 2, null })
1770	<	{
1771	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1772	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1773	<	final Noop r = new Noop();
1774	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1775	<
1776	<	f.complete(v1);
1777	<	checkIncomplete(h);
1778	<	assertEquals(0, r.invocationCount);
1779	<	g.complete(v2);
1780	<
1781	<	checkCompletedNormally(h, null);
1782	<	assertEquals(1, r.invocationCount);
1783	<	checkCompletedNormally(f, v1);
1784	<	checkCompletedNormally(g, v2);
1785	<	}}
1786	<
1787	<	public void testRunAfterBoth_normalCompletion2() {
1788	<	for (ExecutionMode m : ExecutionMode.values())
1789	<	for (Integer v1 : new Integer[] { 1, null })
1790	<	for (Integer v2 : new Integer[] { 2, null })
1791	<	{
1792	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1793	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1794	<	final Noop r = new Noop();
1795	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1796	<
1797	<	g.complete(v2);
1798	<	checkIncomplete(h);
1799	<	assertEquals(0, r.invocationCount);
1800	<	f.complete(v1);
1801	<
1802	<	checkCompletedNormally(h, null);
1803	<	assertEquals(1, r.invocationCount);
1804	<	checkCompletedNormally(f, v1);
1805	<	checkCompletedNormally(g, v2);
1806	<	}}
1807	<
1808	<	public void testRunAfterBoth_normalCompletion3() {
1914	>	public void testRunAfterBoth_normalCompletion() {
1915		for (ExecutionMode m : ExecutionMode.values())
1916	+	for (boolean fFirst : new boolean[] { true, false })
1917		for (Integer v1 : new Integer[] { 1, null })
1918		for (Integer v2 : new Integer[] { 2, null })
1919		{
1920		final CompletableFuture<Integer> f = new CompletableFuture<>();
1921		final CompletableFuture<Integer> g = new CompletableFuture<>();
1922	<	final Noop r = new Noop();
1923	<
1924	<	g.complete(v2);
1925	<	f.complete(v1);
1926	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1927	<
1928	<	checkCompletedNormally(h, null);
1929	<	assertEquals(1, r.invocationCount);
1930	<	checkCompletedNormally(f, v1);
1931	<	checkCompletedNormally(g, v2);
1932	<	}}
1933	<
1934	<	public void testRunAfterBoth_normalCompletion4() {
1935	<	for (ExecutionMode m : ExecutionMode.values())
1936	<	for (Integer v1 : new Integer[] { 1, null })
1937	<	for (Integer v2 : new Integer[] { 2, null })
1938	<	{
1939	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1940	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1941	<	final Noop r = new Noop();
1942	<
1943	<	f.complete(v1);
1944	<	g.complete(v2);
1945	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1946	<
1840	<	checkCompletedNormally(h, null);
1841	<	assertEquals(1, r.invocationCount);
1922	>	final Noop r1 = new Noop(m);
1923	>	final Noop r2 = new Noop(m);
1924	>	final Noop r3 = new Noop(m);
1925	>
1926	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1927	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1928	>	final Integer w1 =  fFirst ? v1 : v2;
1929	>	final Integer w2 = !fFirst ? v1 : v2;
1930	>
1931	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1932	>	assertTrue(fst.complete(w1));
1933	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1934	>	checkIncomplete(h1);
1935	>	checkIncomplete(h2);
1936	>	r1.assertNotInvoked();
1937	>	r2.assertNotInvoked();
1938	>	assertTrue(snd.complete(w2));
1939	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1940	>
1941	>	checkCompletedNormally(h1, null);
1942	>	checkCompletedNormally(h2, null);
1943	>	checkCompletedNormally(h3, null);
1944	>	r1.assertInvoked();
1945	>	r2.assertInvoked();
1946	>	r3.assertInvoked();
1947		checkCompletedNormally(f, v1);
1948		checkCompletedNormally(g, v2);
1949		}}
#	Line 1847 | Line 1952 | public class CompletableFutureTest exten
1952		* runAfterBoth result completes exceptionally after exceptional
1953		* completion of either source
1954		*/
1955	<	public void testRunAfterBoth_exceptionalCompletion1() {
1851	<	for (ExecutionMode m : ExecutionMode.values())
1852	<	for (Integer v1 : new Integer[] { 1, null })
1853	<	{
1854	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1855	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1856	<	final Noop r = new Noop();
1857	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1858	<	final CFException ex = new CFException();
1859	<
1860	<	f.completeExceptionally(ex);
1861	<	checkIncomplete(h);
1862	<	g.complete(v1);
1863	<
1864	<	checkCompletedWithWrappedCFException(h, ex);
1865	<	checkCompletedWithWrappedCFException(f, ex);
1866	<	assertEquals(0, r.invocationCount);
1867	<	checkCompletedNormally(g, v1);
1868	<	}}
1869	<
1870	<	public void testRunAfterBoth_exceptionalCompletion2() {
1871	<	for (ExecutionMode m : ExecutionMode.values())
1872	<	for (Integer v1 : new Integer[] { 1, null })
1873	<	{
1874	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1875	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1876	<	final Noop r = new Noop();
1877	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1878	<	final CFException ex = new CFException();
1879	<
1880	<	g.completeExceptionally(ex);
1881	<	checkIncomplete(h);
1882	<	f.complete(v1);
1883	<
1884	<	checkCompletedWithWrappedCFException(h, ex);
1885	<	checkCompletedWithWrappedCFException(g, ex);
1886	<	assertEquals(0, r.invocationCount);
1887	<	checkCompletedNormally(f, v1);
1888	<	}}
1889	<
1890	<	public void testRunAfterBoth_exceptionalCompletion3() {
1955	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1956		for (ExecutionMode m : ExecutionMode.values())
1957	+	for (boolean fFirst : new boolean[] { true, false })
1958	+	for (boolean failFirst : new boolean[] { true, false })
1959		for (Integer v1 : new Integer[] { 1, null })
1960		{
1961		final CompletableFuture<Integer> f = new CompletableFuture<>();
1962		final CompletableFuture<Integer> g = new CompletableFuture<>();
1896	–	final Noop r = new Noop();
1963		final CFException ex = new CFException();
1964	<
1965	<	g.completeExceptionally(ex);
1966	<	f.complete(v1);
1967	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1968	<
1969	<	checkCompletedWithWrappedCFException(h, ex);
1970	<	checkCompletedWithWrappedCFException(g, ex);
1971	<	assertEquals(0, r.invocationCount);
1972	<	checkCompletedNormally(f, v1);
1964	>	final Noop r1 = new Noop(m);
1965	>	final Noop r2 = new Noop(m);
1966	>	final Noop r3 = new Noop(m);
1967	>
1968	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1969	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1970	>	final Callable<Boolean> complete1 = failFirst ?
1971	>	() -> fst.completeExceptionally(ex) :
1972	>	() -> fst.complete(v1);
1973	>	final Callable<Boolean> complete2 = failFirst ?
1974	>	() -> snd.complete(v1) :
1975	>	() -> snd.completeExceptionally(ex);
1976	>
1977	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1978	>	assertTrue(complete1.call());
1979	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1980	>	checkIncomplete(h1);
1981	>	checkIncomplete(h2);
1982	>	assertTrue(complete2.call());
1983	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1984	>
1985	>	checkCompletedWithWrappedException(h1, ex);
1986	>	checkCompletedWithWrappedException(h2, ex);
1987	>	checkCompletedWithWrappedException(h3, ex);
1988	>	r1.assertNotInvoked();
1989	>	r2.assertNotInvoked();
1990	>	r3.assertNotInvoked();
1991	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1992	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1993		}}
1994
1995	<	public void testRunAfterBoth_exceptionalCompletion4() {
1995	>	/**
1996	>	* runAfterBoth result completes exceptionally if either source cancelled
1997	>	*/
1998	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
1999		for (ExecutionMode m : ExecutionMode.values())
2000	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2001	+	for (boolean fFirst : new boolean[] { true, false })
2002	+	for (boolean failFirst : new boolean[] { true, false })
2003		for (Integer v1 : new Integer[] { 1, null })
2004		{
2005		final CompletableFuture<Integer> f = new CompletableFuture<>();
2006		final CompletableFuture<Integer> g = new CompletableFuture<>();
2007	<	final Noop r = new Noop();
2008	<	final CFException ex = new CFException();
2009	<
2010	<	f.completeExceptionally(ex);
2011	<	g.complete(v1);
2012	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2013	<
2014	<	checkCompletedWithWrappedCFException(h, ex);
2015	<	checkCompletedWithWrappedCFException(f, ex);
2016	<	assertEquals(0, r.invocationCount);
2017	<	checkCompletedNormally(g, v1);
2007	>	final Noop r1 = new Noop(m);
2008	>	final Noop r2 = new Noop(m);
2009	>	final Noop r3 = new Noop(m);
2010	>
2011	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2012	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2013	>	final Callable<Boolean> complete1 = failFirst ?
2014	>	() -> fst.cancel(mayInterruptIfRunning) :
2015	>	() -> fst.complete(v1);
2016	>	final Callable<Boolean> complete2 = failFirst ?
2017	>	() -> snd.complete(v1) :
2018	>	() -> snd.cancel(mayInterruptIfRunning);
2019	>
2020	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2021	>	assertTrue(complete1.call());
2022	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2023	>	checkIncomplete(h1);
2024	>	checkIncomplete(h2);
2025	>	assertTrue(complete2.call());
2026	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2027	>
2028	>	checkCompletedWithWrappedCancellationException(h1);
2029	>	checkCompletedWithWrappedCancellationException(h2);
2030	>	checkCompletedWithWrappedCancellationException(h3);
2031	>	r1.assertNotInvoked();
2032	>	r2.assertNotInvoked();
2033	>	r3.assertNotInvoked();
2034	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2035	>	checkCancelled(failFirst ? fst : snd);
2036		}}
2037
2038		/**
2039		* runAfterBoth result completes exceptionally if action does
2040		*/
2041	<	public void testRunAfterBoth_actionFailed1() {
1932	<	for (ExecutionMode m : ExecutionMode.values())
1933	<	for (Integer v1 : new Integer[] { 1, null })
1934	<	for (Integer v2 : new Integer[] { 2, null })
1935	<	{
1936	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1937	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1938	<	final FailingRunnable r = new FailingRunnable();
1939	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1940	<
1941	<	f.complete(v1);
1942	<	checkIncomplete(h);
1943	<	g.complete(v2);
1944	<
1945	<	checkCompletedWithWrappedCFException(h);
1946	<	checkCompletedNormally(f, v1);
1947	<	checkCompletedNormally(g, v2);
1948	<	}}
1949	<
1950	<	public void testRunAfterBoth_actionFailed2() {
2041	>	public void testRunAfterBoth_actionFailed() {
2042		for (ExecutionMode m : ExecutionMode.values())
2043	+	for (boolean fFirst : new boolean[] { true, false })
2044		for (Integer v1 : new Integer[] { 1, null })
2045		for (Integer v2 : new Integer[] { 2, null })
2046		{
2047		final CompletableFuture<Integer> f = new CompletableFuture<>();
2048		final CompletableFuture<Integer> g = new CompletableFuture<>();
2049	<	final FailingRunnable r = new FailingRunnable();
2050	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2051	<
2052	<	g.complete(v2);
2053	<	checkIncomplete(h);
2054	<	f.complete(v1);
2055	<
2056	<	checkCompletedWithWrappedCFException(h);
2049	>	final FailingRunnable r1 = new FailingRunnable(m);
2050	>	final FailingRunnable r2 = new FailingRunnable(m);
2051	>	final FailingRunnable r3 = new FailingRunnable(m);
2052	>
2053	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2054	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2055	>	final Integer w1 =  fFirst ? v1 : v2;
2056	>	final Integer w2 = !fFirst ? v1 : v2;
2057	>
2058	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2059	>	assertTrue(fst.complete(w1));
2060	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2061	>	assertTrue(snd.complete(w2));
2062	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2063	>
2064	>	checkCompletedWithWrappedCFException(h1);
2065	>	checkCompletedWithWrappedCFException(h2);
2066	>	checkCompletedWithWrappedCFException(h3);
2067	>	r1.assertInvoked();
2068	>	r2.assertInvoked();
2069	>	r3.assertInvoked();
2070		checkCompletedNormally(f, v1);
2071		checkCompletedNormally(g, v2);
2072		}}
2073
2074		/**
1970	–	* runAfterBoth result completes exceptionally if either source cancelled
1971	–	*/
1972	–	public void testRunAfterBoth_sourceCancelled1() {
1973	–	for (ExecutionMode m : ExecutionMode.values())
1974	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1975	–	for (Integer v1 : new Integer[] { 1, null })
1976	–	{
1977	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1978	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1979	–	final Noop r = new Noop();
1980	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1981	–
1982	–	assertTrue(f.cancel(mayInterruptIfRunning));
1983	–	checkIncomplete(h);
1984	–	g.complete(v1);
1985	–
1986	–	checkCompletedWithWrappedCancellationException(h);
1987	–	checkCancelled(f);
1988	–	assertEquals(0, r.invocationCount);
1989	–	checkCompletedNormally(g, v1);
1990	–	}}
1991	–
1992	–	public void testRunAfterBoth_sourceCancelled2() {
1993	–	for (ExecutionMode m : ExecutionMode.values())
1994	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1995	–	for (Integer v1 : new Integer[] { 1, null })
1996	–	{
1997	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1998	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1999	–	final Noop r = new Noop();
2000	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2001	–
2002	–	assertTrue(g.cancel(mayInterruptIfRunning));
2003	–	checkIncomplete(h);
2004	–	f.complete(v1);
2005	–
2006	–	checkCompletedWithWrappedCancellationException(h);
2007	–	checkCancelled(g);
2008	–	assertEquals(0, r.invocationCount);
2009	–	checkCompletedNormally(f, v1);
2010	–	}}
2011	–
2012	–	public void testRunAfterBoth_sourceCancelled3() {
2013	–	for (ExecutionMode m : ExecutionMode.values())
2014	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2015	–	for (Integer v1 : new Integer[] { 1, null })
2016	–	{
2017	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2018	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2019	–	final Noop r = new Noop();
2020	–
2021	–	assertTrue(g.cancel(mayInterruptIfRunning));
2022	–	f.complete(v1);
2023	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2024	–
2025	–	checkCompletedWithWrappedCancellationException(h);
2026	–	checkCancelled(g);
2027	–	assertEquals(0, r.invocationCount);
2028	–	checkCompletedNormally(f, v1);
2029	–	}}
2030	–
2031	–	public void testRunAfterBoth_sourceCancelled4() {
2032	–	for (ExecutionMode m : ExecutionMode.values())
2033	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2034	–	for (Integer v1 : new Integer[] { 1, null })
2035	–	{
2036	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2037	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2038	–	final Noop r = new Noop();
2039	–
2040	–	assertTrue(f.cancel(mayInterruptIfRunning));
2041	–	g.complete(v1);
2042	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2043	–
2044	–	checkCompletedWithWrappedCancellationException(h);
2045	–	checkCancelled(f);
2046	–	assertEquals(0, r.invocationCount);
2047	–	checkCompletedNormally(g, v1);
2048	–	}}
2049	–
2050	–	/**
2075		* applyToEither result completes normally after normal completion
2076		* of either source
2077		*/
2078	<	public void testApplyToEither_normalCompletion1() {
2078	>	public void testApplyToEither_normalCompletion() {
2079		for (ExecutionMode m : ExecutionMode.values())
2080		for (Integer v1 : new Integer[] { 1, null })
2081		for (Integer v2 : new Integer[] { 2, null })
2082		{
2083		final CompletableFuture<Integer> f = new CompletableFuture<>();
2084		final CompletableFuture<Integer> g = new CompletableFuture<>();
2085	<	final IncFunction r = new IncFunction();
2086	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2085	>	final IncFunction[] rs = new IncFunction[6];
2086	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2087
2088	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2089	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2090	+	checkIncomplete(h0);
2091	+	checkIncomplete(h1);
2092	+	rs[0].assertNotInvoked();
2093	+	rs[1].assertNotInvoked();
2094		f.complete(v1);
2095	<	checkCompletedNormally(h, inc(v1));
2096	<	g.complete(v2);
2097	<
2098	<	checkCompletedNormally(f, v1);
2099	<	checkCompletedNormally(g, v2);
2100	<	checkCompletedNormally(h, inc(v1));
2071	<	}}
2072	<
2073	<	public void testApplyToEither_normalCompletion2() {
2074	<	for (ExecutionMode m : ExecutionMode.values())
2075	<	for (Integer v1 : new Integer[] { 1, null })
2076	<	for (Integer v2 : new Integer[] { 2, null })
2077	<	{
2078	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2079	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2080	<	final IncFunction r = new IncFunction();
2081	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2082	<
2095	>	checkCompletedNormally(h0, inc(v1));
2096	>	checkCompletedNormally(h1, inc(v1));
2097	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2098	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2099	>	checkCompletedNormally(h2, inc(v1));
2100	>	checkCompletedNormally(h3, inc(v1));
2101		g.complete(v2);
2084	–	checkCompletedNormally(h, inc(v2));
2085	–	f.complete(v1);
2086	–
2087	–	checkCompletedNormally(f, v1);
2088	–	checkCompletedNormally(g, v2);
2089	–	checkCompletedNormally(h, inc(v2));
2090	–	}}
2091	–
2092	–	public void testApplyToEither_normalCompletion3() {
2093	–	for (ExecutionMode m : ExecutionMode.values())
2094	–	for (Integer v1 : new Integer[] { 1, null })
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();
2102
2103	<	f.complete(v1);
2104	<	g.complete(v2);
2105	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2103	>	// unspecified behavior - both source completions available
2104	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2105	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2106	>	rs[4].assertValue(h4.join());
2107	>	rs[5].assertValue(h5.join());
2108	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2109	>	Objects.equals(inc(v2), h4.join()));
2110	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2111	>	Objects.equals(inc(v2), h5.join()));
2112
2113		checkCompletedNormally(f, v1);
2114		checkCompletedNormally(g, v2);
2115	<
2116	<	// unspecified behavior
2117	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2118	<	Objects.equals(h.join(), inc(v2)));
2119	<	assertEquals(1, r.invocationCount);
2115	>	checkCompletedNormally(h0, inc(v1));
2116	>	checkCompletedNormally(h1, inc(v1));
2117	>	checkCompletedNormally(h2, inc(v1));
2118	>	checkCompletedNormally(h3, inc(v1));
2119	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2120		}}
2121
2122		/**
2123		* applyToEither result completes exceptionally after exceptional
2124		* completion of either source
2125		*/
2126	<	public void testApplyToEither_exceptionalCompletion1() {
2126	>	public void testApplyToEither_exceptionalCompletion() {
2127		for (ExecutionMode m : ExecutionMode.values())
2128		for (Integer v1 : new Integer[] { 1, null })
2129		{
2130		final CompletableFuture<Integer> f = new CompletableFuture<>();
2131		final CompletableFuture<Integer> g = new CompletableFuture<>();
2124	–	final IncFunction r = new IncFunction();
2125	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2132		final CFException ex = new CFException();
2133	+	final IncFunction[] rs = new IncFunction[6];
2134	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2135
2136	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2137	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2138	+	checkIncomplete(h0);
2139	+	checkIncomplete(h1);
2140	+	rs[0].assertNotInvoked();
2141	+	rs[1].assertNotInvoked();
2142		f.completeExceptionally(ex);
2143	<	checkCompletedWithWrappedCFException(h, ex);
2143	>	checkCompletedWithWrappedException(h0, ex);
2144	>	checkCompletedWithWrappedException(h1, ex);
2145	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2146	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2147	>	checkCompletedWithWrappedException(h2, ex);
2148	>	checkCompletedWithWrappedException(h3, ex);
2149		g.complete(v1);
2150
2151	<	assertEquals(0, r.invocationCount);
2151	>	// unspecified behavior - both source completions available
2152	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2153	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2154	>	try {
2155	>	assertEquals(inc(v1), h4.join());
2156	>	rs[4].assertValue(inc(v1));
2157	>	} catch (CompletionException ok) {
2158	>	checkCompletedWithWrappedException(h4, ex);
2159	>	rs[4].assertNotInvoked();
2160	>	}
2161	>	try {
2162	>	assertEquals(inc(v1), h5.join());
2163	>	rs[5].assertValue(inc(v1));
2164	>	} catch (CompletionException ok) {
2165	>	checkCompletedWithWrappedException(h5, ex);
2166	>	rs[5].assertNotInvoked();
2167	>	}
2168	>
2169	>	checkCompletedExceptionally(f, ex);
2170		checkCompletedNormally(g, v1);
2171	<	checkCompletedWithWrappedCFException(f, ex);
2172	<	checkCompletedWithWrappedCFException(h, ex);
2171	>	checkCompletedWithWrappedException(h0, ex);
2172	>	checkCompletedWithWrappedException(h1, ex);
2173	>	checkCompletedWithWrappedException(h2, ex);
2174	>	checkCompletedWithWrappedException(h3, ex);
2175	>	checkCompletedWithWrappedException(h4, ex);
2176	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2177		}}
2178
2179		public void testApplyToEither_exceptionalCompletion2() {
2180		for (ExecutionMode m : ExecutionMode.values())
2181	+	for (boolean fFirst : new boolean[] { true, false })
2182		for (Integer v1 : new Integer[] { 1, null })
2183		{
2184		final CompletableFuture<Integer> f = new CompletableFuture<>();
2185		final CompletableFuture<Integer> g = new CompletableFuture<>();
2144	–	final IncFunction r = new IncFunction();
2145	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2146	–	final CFException ex = new CFException();
2147	–
2148	–	g.completeExceptionally(ex);
2149	–	checkCompletedWithWrappedCFException(h, ex);
2150	–	f.complete(v1);
2151	–
2152	–	assertEquals(0, r.invocationCount);
2153	–	checkCompletedNormally(f, v1);
2154	–	checkCompletedWithWrappedCFException(g, ex);
2155	–	checkCompletedWithWrappedCFException(h, ex);
2156	–	}}
2157	–
2158	–	public void testApplyToEither_exceptionalCompletion3() {
2159	–	for (ExecutionMode m : ExecutionMode.values())
2160	–	for (Integer v1 : new Integer[] { 1, null })
2161	–	{
2162	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2163	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2164	–	final IncFunction r = new IncFunction();
2186		final CFException ex = new CFException();
2187	+	final IncFunction[] rs = new IncFunction[6];
2188	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2189
2190	<	g.completeExceptionally(ex);
2191	<	f.complete(v1);
2192	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2190	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2191	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2192	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2193	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2194	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2195	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2196
2197	<	// unspecified behavior
2172	<	Integer v;
2197	>	// unspecified behavior - both source completions available
2198		try {
2199	<	assertEquals(inc(v1), h.join());
2200	<	assertEquals(1, r.invocationCount);
2199	>	assertEquals(inc(v1), h0.join());
2200	>	rs[0].assertValue(inc(v1));
2201		} catch (CompletionException ok) {
2202	<	checkCompletedWithWrappedCFException(h, ex);
2203	<	assertEquals(0, r.invocationCount);
2202	>	checkCompletedWithWrappedException(h0, ex);
2203	>	rs[0].assertNotInvoked();
2204		}
2180	–
2181	–	checkCompletedWithWrappedCFException(g, ex);
2182	–	checkCompletedNormally(f, v1);
2183	–	}}
2184	–
2185	–	public void testApplyToEither_exceptionalCompletion4() {
2186	–	for (ExecutionMode m : ExecutionMode.values())
2187	–	for (Integer v1 : new Integer[] { 1, null })
2188	–	{
2189	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2190	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2191	–	final IncFunction r = new IncFunction();
2192	–	final CFException ex = new CFException();
2193	–
2194	–	f.completeExceptionally(ex);
2195	–	g.complete(v1);
2196	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2197	–
2198	–	// unspecified behavior
2199	–	Integer v;
2205		try {
2206	<	assertEquals(inc(v1), h.join());
2207	<	assertEquals(1, r.invocationCount);
2206	>	assertEquals(inc(v1), h1.join());
2207	>	rs[1].assertValue(inc(v1));
2208		} catch (CompletionException ok) {
2209	<	checkCompletedWithWrappedCFException(h, ex);
2210	<	assertEquals(0, r.invocationCount);
2209	>	checkCompletedWithWrappedException(h1, ex);
2210	>	rs[1].assertNotInvoked();
2211	>	}
2212	>	try {
2213	>	assertEquals(inc(v1), h2.join());
2214	>	rs[2].assertValue(inc(v1));
2215	>	} catch (CompletionException ok) {
2216	>	checkCompletedWithWrappedException(h2, ex);
2217	>	rs[2].assertNotInvoked();
2218	>	}
2219	>	try {
2220	>	assertEquals(inc(v1), h3.join());
2221	>	rs[3].assertValue(inc(v1));
2222	>	} catch (CompletionException ok) {
2223	>	checkCompletedWithWrappedException(h3, ex);
2224	>	rs[3].assertNotInvoked();
2225		}
2226
2208	–	checkCompletedWithWrappedCFException(f, ex);
2209	–	checkCompletedNormally(g, v1);
2210	–	}}
2211	–
2212	–	/**
2213	–	* applyToEither result completes exceptionally if action does
2214	–	*/
2215	–	public void testApplyToEither_actionFailed1() {
2216	–	for (ExecutionMode m : ExecutionMode.values())
2217	–	for (Integer v1 : new Integer[] { 1, null })
2218	–	for (Integer v2 : new Integer[] { 2, null })
2219	–	{
2220	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2221	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2222	–	final FailingFunction r = new FailingFunction();
2223	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2224	–
2225	–	f.complete(v1);
2226	–	checkCompletedWithWrappedCFException(h);
2227	–	g.complete(v2);
2228	–	checkCompletedNormally(f, v1);
2229	–	checkCompletedNormally(g, v2);
2230	–	}}
2231	–
2232	–	public void testApplyToEither_actionFailed2() {
2233	–	for (ExecutionMode m : ExecutionMode.values())
2234	–	for (Integer v1 : new Integer[] { 1, null })
2235	–	for (Integer v2 : new Integer[] { 2, null })
2236	–	{
2237	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2238	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2239	–	final FailingFunction r = new FailingFunction();
2240	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2241	–
2242	–	g.complete(v2);
2243	–	checkCompletedWithWrappedCFException(h);
2244	–	f.complete(v1);
2227		checkCompletedNormally(f, v1);
2228	<	checkCompletedNormally(g, v2);
2228	>	checkCompletedExceptionally(g, ex);
2229		}}
2230
2231		/**
2232		* applyToEither result completes exceptionally if either source cancelled
2233		*/
2234	<	public void testApplyToEither_sourceCancelled1() {
2234	>	public void testApplyToEither_sourceCancelled() {
2235		for (ExecutionMode m : ExecutionMode.values())
2236		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2237		for (Integer v1 : new Integer[] { 1, null })
2238		{
2239		final CompletableFuture<Integer> f = new CompletableFuture<>();
2240		final CompletableFuture<Integer> g = new CompletableFuture<>();
2241	<	final IncFunction r = new IncFunction();
2242	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2241	>	final IncFunction[] rs = new IncFunction[6];
2242	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2243
2244	<	assertTrue(f.cancel(mayInterruptIfRunning));
2245	<	checkCompletedWithWrappedCancellationException(h);
2244	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2245	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2246	>	checkIncomplete(h0);
2247	>	checkIncomplete(h1);
2248	>	rs[0].assertNotInvoked();
2249	>	rs[1].assertNotInvoked();
2250	>	f.cancel(mayInterruptIfRunning);
2251	>	checkCompletedWithWrappedCancellationException(h0);
2252	>	checkCompletedWithWrappedCancellationException(h1);
2253	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2254	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2255	>	checkCompletedWithWrappedCancellationException(h2);
2256	>	checkCompletedWithWrappedCancellationException(h3);
2257		g.complete(v1);
2258
2259	+	// unspecified behavior - both source completions available
2260	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2261	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2262	+	try {
2263	+	assertEquals(inc(v1), h4.join());
2264	+	rs[4].assertValue(inc(v1));
2265	+	} catch (CompletionException ok) {
2266	+	checkCompletedWithWrappedCancellationException(h4);
2267	+	rs[4].assertNotInvoked();
2268	+	}
2269	+	try {
2270	+	assertEquals(inc(v1), h5.join());
2271	+	rs[5].assertValue(inc(v1));
2272	+	} catch (CompletionException ok) {
2273	+	checkCompletedWithWrappedCancellationException(h5);
2274	+	rs[5].assertNotInvoked();
2275	+	}
2276	+
2277		checkCancelled(f);
2267	–	assertEquals(0, r.invocationCount);
2278		checkCompletedNormally(g, v1);
2279	<	checkCompletedWithWrappedCancellationException(h);
2279	>	checkCompletedWithWrappedCancellationException(h0);
2280	>	checkCompletedWithWrappedCancellationException(h1);
2281	>	checkCompletedWithWrappedCancellationException(h2);
2282	>	checkCompletedWithWrappedCancellationException(h3);
2283	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2284		}}
2285
2286		public void testApplyToEither_sourceCancelled2() {
2287		for (ExecutionMode m : ExecutionMode.values())
2288		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2289	+	for (boolean fFirst : new boolean[] { true, false })
2290		for (Integer v1 : new Integer[] { 1, null })
2291		{
2292		final CompletableFuture<Integer> f = new CompletableFuture<>();
2293		final CompletableFuture<Integer> g = new CompletableFuture<>();
2294	<	final IncFunction r = new IncFunction();
2295	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2281	<
2282	<	assertTrue(g.cancel(mayInterruptIfRunning));
2283	<	checkCompletedWithWrappedCancellationException(h);
2284	<	f.complete(v1);
2285	<
2286	<	checkCancelled(g);
2287	<	assertEquals(0, r.invocationCount);
2288	<	checkCompletedNormally(f, v1);
2289	<	checkCompletedWithWrappedCancellationException(h);
2290	<	}}
2291	<
2292	<	public void testApplyToEither_sourceCancelled3() {
2293	<	for (ExecutionMode m : ExecutionMode.values())
2294	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2295	<	for (Integer v1 : new Integer[] { 1, null })
2296	<	{
2297	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2298	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2299	<	final IncFunction r = new IncFunction();
2294	>	final IncFunction[] rs = new IncFunction[6];
2295	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2296
2297	<	assertTrue(g.cancel(mayInterruptIfRunning));
2298	<	f.complete(v1);
2299	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2297	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2298	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2299	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2300	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2301	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2302	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2303
2304	<	// unspecified behavior
2306	<	Integer v;
2304	>	// unspecified behavior - both source completions available
2305		try {
2306	<	assertEquals(inc(v1), h.join());
2307	<	assertEquals(1, r.invocationCount);
2306	>	assertEquals(inc(v1), h0.join());
2307	>	rs[0].assertValue(inc(v1));
2308		} catch (CompletionException ok) {
2309	<	checkCompletedWithWrappedCancellationException(h);
2310	<	assertEquals(0, r.invocationCount);
2309	>	checkCompletedWithWrappedCancellationException(h0);
2310	>	rs[0].assertNotInvoked();
2311	>	}
2312	>	try {
2313	>	assertEquals(inc(v1), h1.join());
2314	>	rs[1].assertValue(inc(v1));
2315	>	} catch (CompletionException ok) {
2316	>	checkCompletedWithWrappedCancellationException(h1);
2317	>	rs[1].assertNotInvoked();
2318		}
2314	–
2315	–	checkCancelled(g);
2316	–	checkCompletedNormally(f, v1);
2317	–	}}
2318	–
2319	–	public void testApplyToEither_sourceCancelled4() {
2320	–	for (ExecutionMode m : ExecutionMode.values())
2321	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2322	–	for (Integer v1 : new Integer[] { 1, null })
2323	–	{
2324	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2325	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2326	–	final IncFunction r = new IncFunction();
2327	–
2328	–	assertTrue(f.cancel(mayInterruptIfRunning));
2329	–	g.complete(v1);
2330	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2331	–
2332	–	// unspecified behavior
2333	–	Integer v;
2319		try {
2320	<	assertEquals(inc(v1), h.join());
2321	<	assertEquals(1, r.invocationCount);
2320	>	assertEquals(inc(v1), h2.join());
2321	>	rs[2].assertValue(inc(v1));
2322		} catch (CompletionException ok) {
2323	<	checkCompletedWithWrappedCancellationException(h);
2324	<	assertEquals(0, r.invocationCount);
2323	>	checkCompletedWithWrappedCancellationException(h2);
2324	>	rs[2].assertNotInvoked();
2325	>	}
2326	>	try {
2327	>	assertEquals(inc(v1), h3.join());
2328	>	rs[3].assertValue(inc(v1));
2329	>	} catch (CompletionException ok) {
2330	>	checkCompletedWithWrappedCancellationException(h3);
2331	>	rs[3].assertNotInvoked();
2332		}
2333
2334	<	checkCancelled(f);
2335	<	checkCompletedNormally(g, v1);
2334	>	checkCompletedNormally(f, v1);
2335	>	checkCancelled(g);
2336		}}
2337
2338		/**
2339	<	* acceptEither result completes normally after normal completion
2348	<	* of either source
2339	>	* applyToEither result completes exceptionally if action does
2340		*/
2341	<	public void testAcceptEither_normalCompletion1() {
2341	>	public void testApplyToEither_actionFailed() {
2342		for (ExecutionMode m : ExecutionMode.values())
2343		for (Integer v1 : new Integer[] { 1, null })
2344		for (Integer v2 : new Integer[] { 2, null })
2345		{
2346		final CompletableFuture<Integer> f = new CompletableFuture<>();
2347		final CompletableFuture<Integer> g = new CompletableFuture<>();
2348	<	final IncAction r = new IncAction();
2349	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2348	>	final FailingFunction[] rs = new FailingFunction[6];
2349	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2350
2351	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2352	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2353		f.complete(v1);
2354	<	checkCompletedNormally(h, null);
2355	<	assertEquals(inc(v1), r.value);
2356	<	g.complete(v2);
2354	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2355	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2356	>	checkCompletedWithWrappedCFException(h0);
2357	>	checkCompletedWithWrappedCFException(h1);
2358	>	checkCompletedWithWrappedCFException(h2);
2359	>	checkCompletedWithWrappedCFException(h3);
2360	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2361
2362	<	checkCompletedNormally(f, v1);
2366	<	checkCompletedNormally(g, v2);
2367	<	checkCompletedNormally(h, null);
2368	<	}}
2362	>	g.complete(v2);
2363
2364	<	public void testAcceptEither_normalCompletion2() {
2365	<	for (ExecutionMode m : ExecutionMode.values())
2366	<	for (Integer v1 : new Integer[] { 1, null })
2373	<	for (Integer v2 : new Integer[] { 2, null })
2374	<	{
2375	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2376	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2377	<	final IncAction r = new IncAction();
2378	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2364	>	// unspecified behavior - both source completions available
2365	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2366	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2367
2368	<	g.complete(v2);
2369	<	checkCompletedNormally(h, null);
2370	<	assertEquals(inc(v2), r.value);
2371	<	f.complete(v1);
2368	>	checkCompletedWithWrappedCFException(h4);
2369	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2370	>	Objects.equals(v2, rs[4].value));
2371	>	checkCompletedWithWrappedCFException(h5);
2372	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2373	>	Objects.equals(v2, rs[5].value));
2374
2375		checkCompletedNormally(f, v1);
2376		checkCompletedNormally(g, v2);
2387	–	checkCompletedNormally(h, null);
2377		}}
2378
2379	<	public void testAcceptEither_normalCompletion3() {
2379	>	/**
2380	>	* acceptEither result completes normally after normal completion
2381	>	* of either source
2382	>	*/
2383	>	public void testAcceptEither_normalCompletion() {
2384		for (ExecutionMode m : ExecutionMode.values())
2385		for (Integer v1 : new Integer[] { 1, null })
2386		for (Integer v2 : new Integer[] { 2, null })
2387		{
2388		final CompletableFuture<Integer> f = new CompletableFuture<>();
2389		final CompletableFuture<Integer> g = new CompletableFuture<>();
2390	<	final IncAction r = new IncAction();
2390	>	final NoopConsumer[] rs = new NoopConsumer[6];
2391	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2392
2393	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2394	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2395	+	checkIncomplete(h0);
2396	+	checkIncomplete(h1);
2397	+	rs[0].assertNotInvoked();
2398	+	rs[1].assertNotInvoked();
2399		f.complete(v1);
2400	+	checkCompletedNormally(h0, null);
2401	+	checkCompletedNormally(h1, null);
2402	+	rs[0].assertValue(v1);
2403	+	rs[1].assertValue(v1);
2404	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2405	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2406	+	checkCompletedNormally(h2, null);
2407	+	checkCompletedNormally(h3, null);
2408	+	rs[2].assertValue(v1);
2409	+	rs[3].assertValue(v1);
2410		g.complete(v2);
2401	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2411
2412	<	checkCompletedNormally(h, null);
2412	>	// unspecified behavior - both source completions available
2413	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2414	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2415	>	checkCompletedNormally(h4, null);
2416	>	checkCompletedNormally(h5, null);
2417	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2418	>	Objects.equals(v2, rs[4].value));
2419	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2420	>	Objects.equals(v2, rs[5].value));
2421	>
2422		checkCompletedNormally(f, v1);
2423		checkCompletedNormally(g, v2);
2424	<
2425	<	// unspecified behavior
2426	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2427	<	Objects.equals(r.value, inc(v2)));
2424	>	checkCompletedNormally(h0, null);
2425	>	checkCompletedNormally(h1, null);
2426	>	checkCompletedNormally(h2, null);
2427	>	checkCompletedNormally(h3, null);
2428	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2429		}}
2430
2431		/**
2432		* acceptEither result completes exceptionally after exceptional
2433		* completion of either source
2434		*/
2435	<	public void testAcceptEither_exceptionalCompletion1() {
2435	>	public void testAcceptEither_exceptionalCompletion() {
2436		for (ExecutionMode m : ExecutionMode.values())
2437		for (Integer v1 : new Integer[] { 1, null })
2438		{
2439		final CompletableFuture<Integer> f = new CompletableFuture<>();
2440		final CompletableFuture<Integer> g = new CompletableFuture<>();
2422	–	final IncAction r = new IncAction();
2423	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2441		final CFException ex = new CFException();
2442	+	final NoopConsumer[] rs = new NoopConsumer[6];
2443	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2444
2445	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2446	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2447	+	checkIncomplete(h0);
2448	+	checkIncomplete(h1);
2449	+	rs[0].assertNotInvoked();
2450	+	rs[1].assertNotInvoked();
2451		f.completeExceptionally(ex);
2452	<	checkCompletedWithWrappedCFException(h, ex);
2452	>	checkCompletedWithWrappedException(h0, ex);
2453	>	checkCompletedWithWrappedException(h1, ex);
2454	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2455	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2456	>	checkCompletedWithWrappedException(h2, ex);
2457	>	checkCompletedWithWrappedException(h3, ex);
2458	>
2459		g.complete(v1);
2460
2461	<	assertEquals(0, r.invocationCount);
2461	>	// unspecified behavior - both source completions available
2462	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2463	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2464	>	try {
2465	>	assertNull(h4.join());
2466	>	rs[4].assertValue(v1);
2467	>	} catch (CompletionException ok) {
2468	>	checkCompletedWithWrappedException(h4, ex);
2469	>	rs[4].assertNotInvoked();
2470	>	}
2471	>	try {
2472	>	assertNull(h5.join());
2473	>	rs[5].assertValue(v1);
2474	>	} catch (CompletionException ok) {
2475	>	checkCompletedWithWrappedException(h5, ex);
2476	>	rs[5].assertNotInvoked();
2477	>	}
2478	>
2479	>	checkCompletedExceptionally(f, ex);
2480		checkCompletedNormally(g, v1);
2481	<	checkCompletedWithWrappedCFException(f, ex);
2482	<	checkCompletedWithWrappedCFException(h, ex);
2481	>	checkCompletedWithWrappedException(h0, ex);
2482	>	checkCompletedWithWrappedException(h1, ex);
2483	>	checkCompletedWithWrappedException(h2, ex);
2484	>	checkCompletedWithWrappedException(h3, ex);
2485	>	checkCompletedWithWrappedException(h4, ex);
2486	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2487		}}
2488
2489		public void testAcceptEither_exceptionalCompletion2() {
2490		for (ExecutionMode m : ExecutionMode.values())
2491	+	for (boolean fFirst : new boolean[] { true, false })
2492		for (Integer v1 : new Integer[] { 1, null })
2493		{
2494		final CompletableFuture<Integer> f = new CompletableFuture<>();
2495		final CompletableFuture<Integer> g = new CompletableFuture<>();
2442	–	final IncAction r = new IncAction();
2443	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2444	–	final CFException ex = new CFException();
2445	–
2446	–	g.completeExceptionally(ex);
2447	–	checkCompletedWithWrappedCFException(h, ex);
2448	–	f.complete(v1);
2449	–
2450	–	assertEquals(0, r.invocationCount);
2451	–	checkCompletedNormally(f, v1);
2452	–	checkCompletedWithWrappedCFException(g, ex);
2453	–	checkCompletedWithWrappedCFException(h, ex);
2454	–	}}
2455	–
2456	–	public void testAcceptEither_exceptionalCompletion3() {
2457	–	for (ExecutionMode m : ExecutionMode.values())
2458	–	for (Integer v1 : new Integer[] { 1, null })
2459	–	{
2460	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2461	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2462	–	final IncAction r = new IncAction();
2496		final CFException ex = new CFException();
2497	+	final NoopConsumer[] rs = new NoopConsumer[6];
2498	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2499
2500	<	g.completeExceptionally(ex);
2501	<	f.complete(v1);
2502	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2500	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2501	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2502	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2503	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2504	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2505	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2506
2507	<	// unspecified behavior
2470	<	Integer v;
2507	>	// unspecified behavior - both source completions available
2508		try {
2509	<	assertNull(h.join());
2510	<	assertEquals(1, r.invocationCount);
2474	<	assertEquals(inc(v1), r.value);
2509	>	assertEquals(null, h0.join());
2510	>	rs[0].assertValue(v1);
2511		} catch (CompletionException ok) {
2512	<	checkCompletedWithWrappedCFException(h, ex);
2513	<	assertEquals(0, r.invocationCount);
2512	>	checkCompletedWithWrappedException(h0, ex);
2513	>	rs[0].assertNotInvoked();
2514		}
2479	–
2480	–	checkCompletedWithWrappedCFException(g, ex);
2481	–	checkCompletedNormally(f, v1);
2482	–	}}
2483	–
2484	–	public void testAcceptEither_exceptionalCompletion4() {
2485	–	for (ExecutionMode m : ExecutionMode.values())
2486	–	for (Integer v1 : new Integer[] { 1, null })
2487	–	{
2488	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2489	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2490	–	final IncAction r = new IncAction();
2491	–	final CFException ex = new CFException();
2492	–
2493	–	f.completeExceptionally(ex);
2494	–	g.complete(v1);
2495	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2496	–
2497	–	// unspecified behavior
2498	–	Integer v;
2515		try {
2516	<	assertNull(h.join());
2517	<	assertEquals(1, r.invocationCount);
2502	<	assertEquals(inc(v1), r.value);
2516	>	assertEquals(null, h1.join());
2517	>	rs[1].assertValue(v1);
2518		} catch (CompletionException ok) {
2519	<	checkCompletedWithWrappedCFException(h, ex);
2520	<	assertEquals(0, r.invocationCount);
2519	>	checkCompletedWithWrappedException(h1, ex);
2520	>	rs[1].assertNotInvoked();
2521	>	}
2522	>	try {
2523	>	assertEquals(null, h2.join());
2524	>	rs[2].assertValue(v1);
2525	>	} catch (CompletionException ok) {
2526	>	checkCompletedWithWrappedException(h2, ex);
2527	>	rs[2].assertNotInvoked();
2528	>	}
2529	>	try {
2530	>	assertEquals(null, h3.join());
2531	>	rs[3].assertValue(v1);
2532	>	} catch (CompletionException ok) {
2533	>	checkCompletedWithWrappedException(h3, ex);
2534	>	rs[3].assertNotInvoked();
2535		}
2536
2508	–	checkCompletedWithWrappedCFException(f, ex);
2509	–	checkCompletedNormally(g, v1);
2510	–	}}
2511	–
2512	–	/**
2513	–	* acceptEither result completes exceptionally if action does
2514	–	*/
2515	–	public void testAcceptEither_actionFailed1() {
2516	–	for (ExecutionMode m : ExecutionMode.values())
2517	–	for (Integer v1 : new Integer[] { 1, null })
2518	–	for (Integer v2 : new Integer[] { 2, null })
2519	–	{
2520	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2521	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2522	–	final FailingConsumer r = new FailingConsumer();
2523	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2524	–
2525	–	f.complete(v1);
2526	–	checkCompletedWithWrappedCFException(h);
2527	–	g.complete(v2);
2528	–	checkCompletedNormally(f, v1);
2529	–	checkCompletedNormally(g, v2);
2530	–	}}
2531	–
2532	–	public void testAcceptEither_actionFailed2() {
2533	–	for (ExecutionMode m : ExecutionMode.values())
2534	–	for (Integer v1 : new Integer[] { 1, null })
2535	–	for (Integer v2 : new Integer[] { 2, null })
2536	–	{
2537	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2538	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2539	–	final FailingConsumer r = new FailingConsumer();
2540	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2541	–
2542	–	g.complete(v2);
2543	–	checkCompletedWithWrappedCFException(h);
2544	–	f.complete(v1);
2537		checkCompletedNormally(f, v1);
2538	<	checkCompletedNormally(g, v2);
2538	>	checkCompletedExceptionally(g, ex);
2539		}}
2540
2541		/**
2542		* acceptEither result completes exceptionally if either source cancelled
2543		*/
2544	<	public void testAcceptEither_sourceCancelled1() {
2553	<	for (ExecutionMode m : ExecutionMode.values())
2554	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2555	<	for (Integer v1 : new Integer[] { 1, null })
2556	<	{
2557	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2558	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2559	<	final IncAction r = new IncAction();
2560	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2561	<
2562	<	assertTrue(f.cancel(mayInterruptIfRunning));
2563	<	checkCompletedWithWrappedCancellationException(h);
2564	<	g.complete(v1);
2565	<
2566	<	checkCancelled(f);
2567	<	assertEquals(0, r.invocationCount);
2568	<	checkCompletedNormally(g, v1);
2569	<	checkCompletedWithWrappedCancellationException(h);
2570	<	}}
2571	<
2572	<	public void testAcceptEither_sourceCancelled2() {
2544	>	public void testAcceptEither_sourceCancelled() {
2545		for (ExecutionMode m : ExecutionMode.values())
2546		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2547		for (Integer v1 : new Integer[] { 1, null })
2548		{
2549		final CompletableFuture<Integer> f = new CompletableFuture<>();
2550		final CompletableFuture<Integer> g = new CompletableFuture<>();
2551	<	final IncAction r = new IncAction();
2552	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2581	<
2582	<	assertTrue(g.cancel(mayInterruptIfRunning));
2583	<	checkCompletedWithWrappedCancellationException(h);
2584	<	f.complete(v1);
2551	>	final NoopConsumer[] rs = new NoopConsumer[6];
2552	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2553
2554	<	checkCancelled(g);
2555	<	assertEquals(0, r.invocationCount);
2556	<	checkCompletedNormally(f, v1);
2557	<	checkCompletedWithWrappedCancellationException(h);
2558	<	}}
2554	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2555	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2556	>	checkIncomplete(h0);
2557	>	checkIncomplete(h1);
2558	>	rs[0].assertNotInvoked();
2559	>	rs[1].assertNotInvoked();
2560	>	f.cancel(mayInterruptIfRunning);
2561	>	checkCompletedWithWrappedCancellationException(h0);
2562	>	checkCompletedWithWrappedCancellationException(h1);
2563	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2564	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2565	>	checkCompletedWithWrappedCancellationException(h2);
2566	>	checkCompletedWithWrappedCancellationException(h3);
2567
2568	<	public void testAcceptEither_sourceCancelled3() {
2593	<	for (ExecutionMode m : ExecutionMode.values())
2594	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2595	<	for (Integer v1 : new Integer[] { 1, null })
2596	<	{
2597	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2598	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2599	<	final IncAction r = new IncAction();
2600	<
2601	<	assertTrue(g.cancel(mayInterruptIfRunning));
2602	<	f.complete(v1);
2603	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2568	>	g.complete(v1);
2569
2570	<	// unspecified behavior
2571	<	Integer v;
2570	>	// unspecified behavior - both source completions available
2571	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2572	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2573		try {
2574	<	assertNull(h.join());
2575	<	assertEquals(1, r.invocationCount);
2610	<	assertEquals(inc(v1), r.value);
2574	>	assertNull(h4.join());
2575	>	rs[4].assertValue(v1);
2576		} catch (CompletionException ok) {
2577	<	checkCompletedWithWrappedCancellationException(h);
2578	<	assertEquals(0, r.invocationCount);
2577	>	checkCompletedWithWrappedCancellationException(h4);
2578	>	rs[4].assertNotInvoked();
2579		}
2615	–
2616	–	checkCancelled(g);
2617	–	checkCompletedNormally(f, v1);
2618	–	}}
2619	–
2620	–	public void testAcceptEither_sourceCancelled4() {
2621	–	for (ExecutionMode m : ExecutionMode.values())
2622	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2623	–	for (Integer v1 : new Integer[] { 1, null })
2624	–	{
2625	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2626	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2627	–	final IncAction r = new IncAction();
2628	–
2629	–	assertTrue(f.cancel(mayInterruptIfRunning));
2630	–	g.complete(v1);
2631	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2632	–
2633	–	// unspecified behavior
2634	–	Integer v;
2580		try {
2581	<	assertNull(h.join());
2582	<	assertEquals(1, r.invocationCount);
2638	<	assertEquals(inc(v1), r.value);
2581	>	assertNull(h5.join());
2582	>	rs[5].assertValue(v1);
2583		} catch (CompletionException ok) {
2584	<	checkCompletedWithWrappedCancellationException(h);
2585	<	assertEquals(0, r.invocationCount);
2584	>	checkCompletedWithWrappedCancellationException(h5);
2585	>	rs[5].assertNotInvoked();
2586		}
2587
2588		checkCancelled(f);
2589		checkCompletedNormally(g, v1);
2590	+	checkCompletedWithWrappedCancellationException(h0);
2591	+	checkCompletedWithWrappedCancellationException(h1);
2592	+	checkCompletedWithWrappedCancellationException(h2);
2593	+	checkCompletedWithWrappedCancellationException(h3);
2594	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2595		}}
2596
2597		/**
2598	<	* runAfterEither result completes normally after normal completion
2650	<	* of either source
2598	>	* acceptEither result completes exceptionally if action does
2599		*/
2600	<	public void testRunAfterEither_normalCompletion1() {
2600	>	public void testAcceptEither_actionFailed() {
2601		for (ExecutionMode m : ExecutionMode.values())
2602		for (Integer v1 : new Integer[] { 1, null })
2603		for (Integer v2 : new Integer[] { 2, null })
2604		{
2605		final CompletableFuture<Integer> f = new CompletableFuture<>();
2606		final CompletableFuture<Integer> g = new CompletableFuture<>();
2607	<	final Noop r = new Noop();
2608	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2607	>	final FailingConsumer[] rs = new FailingConsumer[6];
2608	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2609
2610	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2611	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2612		f.complete(v1);
2613	<	checkCompletedNormally(h, null);
2614	<	assertEquals(1, r.invocationCount);
2615	<	g.complete(v2);
2613	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2614	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2615	>	checkCompletedWithWrappedCFException(h0);
2616	>	checkCompletedWithWrappedCFException(h1);
2617	>	checkCompletedWithWrappedCFException(h2);
2618	>	checkCompletedWithWrappedCFException(h3);
2619	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2620
2621	<	checkCompletedNormally(f, v1);
2668	<	checkCompletedNormally(g, v2);
2669	<	checkCompletedNormally(h, null);
2670	<	assertEquals(1, r.invocationCount);
2671	<	}}
2621	>	g.complete(v2);
2622
2623	<	public void testRunAfterEither_normalCompletion2() {
2624	<	for (ExecutionMode m : ExecutionMode.values())
2625	<	for (Integer v1 : new Integer[] { 1, null })
2676	<	for (Integer v2 : new Integer[] { 2, null })
2677	<	{
2678	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2679	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2680	<	final Noop r = new Noop();
2681	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2623	>	// unspecified behavior - both source completions available
2624	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2625	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2626
2627	<	g.complete(v2);
2628	<	checkCompletedNormally(h, null);
2629	<	assertEquals(1, r.invocationCount);
2630	<	f.complete(v1);
2627	>	checkCompletedWithWrappedCFException(h4);
2628	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2629	>	Objects.equals(v2, rs[4].value));
2630	>	checkCompletedWithWrappedCFException(h5);
2631	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2632	>	Objects.equals(v2, rs[5].value));
2633
2634		checkCompletedNormally(f, v1);
2635		checkCompletedNormally(g, v2);
2636	<	checkCompletedNormally(h, null);
2691	<	assertEquals(1, r.invocationCount);
2692	<	}}
2636	>	}}
2637
2638	<	public void testRunAfterEither_normalCompletion3() {
2638	>	/**
2639	>	* runAfterEither result completes normally after normal completion
2640	>	* of either source
2641	>	*/
2642	>	public void testRunAfterEither_normalCompletion() {
2643		for (ExecutionMode m : ExecutionMode.values())
2644		for (Integer v1 : new Integer[] { 1, null })
2645		for (Integer v2 : new Integer[] { 2, null })
2646		{
2647		final CompletableFuture<Integer> f = new CompletableFuture<>();
2648		final CompletableFuture<Integer> g = new CompletableFuture<>();
2649	<	final Noop r = new Noop();
2649	>	final Noop[] rs = new Noop[6];
2650	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2651
2652	+	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2653	+	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2654	+	checkIncomplete(h0);
2655	+	checkIncomplete(h1);
2656	+	rs[0].assertNotInvoked();
2657	+	rs[1].assertNotInvoked();
2658		f.complete(v1);
2659	+	checkCompletedNormally(h0, null);
2660	+	checkCompletedNormally(h1, null);
2661	+	rs[0].assertInvoked();
2662	+	rs[1].assertInvoked();
2663	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2664	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2665	+	checkCompletedNormally(h2, null);
2666	+	checkCompletedNormally(h3, null);
2667	+	rs[2].assertInvoked();
2668	+	rs[3].assertInvoked();
2669	+
2670		g.complete(v2);
2705	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2671
2672	<	checkCompletedNormally(h, null);
2672	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2673	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2674	>
2675		checkCompletedNormally(f, v1);
2676		checkCompletedNormally(g, v2);
2677	<	assertEquals(1, r.invocationCount);
2677	>	checkCompletedNormally(h0, null);
2678	>	checkCompletedNormally(h1, null);
2679	>	checkCompletedNormally(h2, null);
2680	>	checkCompletedNormally(h3, null);
2681	>	checkCompletedNormally(h4, null);
2682	>	checkCompletedNormally(h5, null);
2683	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2684		}}
2685
2686		/**
2687		* runAfterEither result completes exceptionally after exceptional
2688		* completion of either source
2689		*/
2690	<	public void testRunAfterEither_exceptionalCompletion1() {
2690	>	public void testRunAfterEither_exceptionalCompletion() {
2691		for (ExecutionMode m : ExecutionMode.values())
2692		for (Integer v1 : new Integer[] { 1, null })
2693		{
2694		final CompletableFuture<Integer> f = new CompletableFuture<>();
2695		final CompletableFuture<Integer> g = new CompletableFuture<>();
2723	–	final Noop r = new Noop();
2724	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2696		final CFException ex = new CFException();
2697	+	final Noop[] rs = new Noop[6];
2698	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2699
2700	<	f.completeExceptionally(ex);
2701	<	checkCompletedWithWrappedCFException(h, ex);
2702	<	g.complete(v1);
2700	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2701	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2702	>	checkIncomplete(h0);
2703	>	checkIncomplete(h1);
2704	>	rs[0].assertNotInvoked();
2705	>	rs[1].assertNotInvoked();
2706	>	assertTrue(f.completeExceptionally(ex));
2707	>	checkCompletedWithWrappedException(h0, ex);
2708	>	checkCompletedWithWrappedException(h1, ex);
2709	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2710	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2711	>	checkCompletedWithWrappedException(h2, ex);
2712	>	checkCompletedWithWrappedException(h3, ex);
2713
2714	<	assertEquals(0, r.invocationCount);
2732	<	checkCompletedNormally(g, v1);
2733	<	checkCompletedWithWrappedCFException(f, ex);
2734	<	checkCompletedWithWrappedCFException(h, ex);
2735	<	}}
2714	>	assertTrue(g.complete(v1));
2715
2716	<	public void testRunAfterEither_exceptionalCompletion2() {
2717	<	for (ExecutionMode m : ExecutionMode.values())
2718	<	for (Integer v1 : new Integer[] { 1, null })
2740	<	{
2741	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2742	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2743	<	final Noop r = new Noop();
2744	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2745	<	final CFException ex = new CFException();
2746	<
2747	<	g.completeExceptionally(ex);
2748	<	checkCompletedWithWrappedCFException(h, ex);
2749	<	f.complete(v1);
2750	<
2751	<	assertEquals(0, r.invocationCount);
2752	<	checkCompletedNormally(f, v1);
2753	<	checkCompletedWithWrappedCFException(g, ex);
2754	<	checkCompletedWithWrappedCFException(h, ex);
2755	<	}}
2756	<
2757	<	public void testRunAfterEither_exceptionalCompletion3() {
2758	<	for (ExecutionMode m : ExecutionMode.values())
2759	<	for (Integer v1 : new Integer[] { 1, null })
2760	<	{
2761	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2762	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2763	<	final Noop r = new Noop();
2764	<	final CFException ex = new CFException();
2765	<
2766	<	g.completeExceptionally(ex);
2767	<	f.complete(v1);
2768	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2769	<
2770	<	// unspecified behavior
2771	<	Integer v;
2716	>	// unspecified behavior - both source completions available
2717	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2718	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2719		try {
2720	<	assertNull(h.join());
2721	<	assertEquals(1, r.invocationCount);
2720	>	assertNull(h4.join());
2721	>	rs[4].assertInvoked();
2722		} catch (CompletionException ok) {
2723	<	checkCompletedWithWrappedCFException(h, ex);
2724	<	assertEquals(0, r.invocationCount);
2723	>	checkCompletedWithWrappedException(h4, ex);
2724	>	rs[4].assertNotInvoked();
2725		}
2779	–
2780	–	checkCompletedWithWrappedCFException(g, ex);
2781	–	checkCompletedNormally(f, v1);
2782	–	}}
2783	–
2784	–	public void testRunAfterEither_exceptionalCompletion4() {
2785	–	for (ExecutionMode m : ExecutionMode.values())
2786	–	for (Integer v1 : new Integer[] { 1, null })
2787	–	{
2788	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2789	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2790	–	final Noop r = new Noop();
2791	–	final CFException ex = new CFException();
2792	–
2793	–	f.completeExceptionally(ex);
2794	–	g.complete(v1);
2795	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2796	–
2797	–	// unspecified behavior
2798	–	Integer v;
2726		try {
2727	<	assertNull(h.join());
2728	<	assertEquals(1, r.invocationCount);
2727	>	assertNull(h5.join());
2728	>	rs[5].assertInvoked();
2729		} catch (CompletionException ok) {
2730	<	checkCompletedWithWrappedCFException(h, ex);
2731	<	assertEquals(0, r.invocationCount);
2730	>	checkCompletedWithWrappedException(h5, ex);
2731	>	rs[5].assertNotInvoked();
2732		}
2733
2734	<	checkCompletedWithWrappedCFException(f, ex);
2734	>	checkCompletedExceptionally(f, ex);
2735		checkCompletedNormally(g, v1);
2736	+	checkCompletedWithWrappedException(h0, ex);
2737	+	checkCompletedWithWrappedException(h1, ex);
2738	+	checkCompletedWithWrappedException(h2, ex);
2739	+	checkCompletedWithWrappedException(h3, ex);
2740	+	checkCompletedWithWrappedException(h4, ex);
2741	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2742		}}
2743
2744	<	/**
2812	<	* runAfterEither result completes exceptionally if action does
2813	<	*/
2814	<	public void testRunAfterEither_actionFailed1() {
2744	>	public void testRunAfterEither_exceptionalCompletion2() {
2745		for (ExecutionMode m : ExecutionMode.values())
2746	+	for (boolean fFirst : new boolean[] { true, false })
2747		for (Integer v1 : new Integer[] { 1, null })
2817	–	for (Integer v2 : new Integer[] { 2, null })
2748		{
2749		final CompletableFuture<Integer> f = new CompletableFuture<>();
2750		final CompletableFuture<Integer> g = new CompletableFuture<>();
2751	<	final FailingRunnable r = new FailingRunnable();
2752	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2751	>	final CFException ex = new CFException();
2752	>	final Noop[] rs = new Noop[6];
2753	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2754
2755	<	f.complete(v1);
2756	<	checkCompletedWithWrappedCFException(h);
2757	<	g.complete(v2);
2758	<	checkCompletedNormally(f, v1);
2759	<	checkCompletedNormally(g, v2);
2760	<	}}
2755	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2756	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2757	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2758	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2759	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2760	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2761
2762	<	public void testRunAfterEither_actionFailed2() {
2763	<	for (ExecutionMode m : ExecutionMode.values())
2764	<	for (Integer v1 : new Integer[] { 1, null })
2765	<	for (Integer v2 : new Integer[] { 2, null })
2766	<	{
2767	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2768	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2769	<	final FailingRunnable r = new FailingRunnable();
2770	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2762	>	// unspecified behavior - both source completions available
2763	>	try {
2764	>	assertEquals(null, h0.join());
2765	>	rs[0].assertInvoked();
2766	>	} catch (CompletionException ok) {
2767	>	checkCompletedWithWrappedException(h0, ex);
2768	>	rs[0].assertNotInvoked();
2769	>	}
2770	>	try {
2771	>	assertEquals(null, h1.join());
2772	>	rs[1].assertInvoked();
2773	>	} catch (CompletionException ok) {
2774	>	checkCompletedWithWrappedException(h1, ex);
2775	>	rs[1].assertNotInvoked();
2776	>	}
2777	>	try {
2778	>	assertEquals(null, h2.join());
2779	>	rs[2].assertInvoked();
2780	>	} catch (CompletionException ok) {
2781	>	checkCompletedWithWrappedException(h2, ex);
2782	>	rs[2].assertNotInvoked();
2783	>	}
2784	>	try {
2785	>	assertEquals(null, h3.join());
2786	>	rs[3].assertInvoked();
2787	>	} catch (CompletionException ok) {
2788	>	checkCompletedWithWrappedException(h3, ex);
2789	>	rs[3].assertNotInvoked();
2790	>	}
2791
2841	–	g.complete(v2);
2842	–	checkCompletedWithWrappedCFException(h);
2843	–	f.complete(v1);
2792		checkCompletedNormally(f, v1);
2793	<	checkCompletedNormally(g, v2);
2793	>	checkCompletedExceptionally(g, ex);
2794		}}
2795
2796		/**
2797		* runAfterEither result completes exceptionally if either source cancelled
2798		*/
2799	<	public void testRunAfterEither_sourceCancelled1() {
2852	<	for (ExecutionMode m : ExecutionMode.values())
2853	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2854	<	for (Integer v1 : new Integer[] { 1, null })
2855	<	{
2856	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2857	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2858	<	final Noop r = new Noop();
2859	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2860	<
2861	<	assertTrue(f.cancel(mayInterruptIfRunning));
2862	<	checkCompletedWithWrappedCancellationException(h);
2863	<	g.complete(v1);
2864	<
2865	<	checkCancelled(f);
2866	<	assertEquals(0, r.invocationCount);
2867	<	checkCompletedNormally(g, v1);
2868	<	checkCompletedWithWrappedCancellationException(h);
2869	<	}}
2870	<
2871	<	public void testRunAfterEither_sourceCancelled2() {
2799	>	public void testRunAfterEither_sourceCancelled() {
2800		for (ExecutionMode m : ExecutionMode.values())
2801		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2802		for (Integer v1 : new Integer[] { 1, null })
2803		{
2804		final CompletableFuture<Integer> f = new CompletableFuture<>();
2805		final CompletableFuture<Integer> g = new CompletableFuture<>();
2806	<	final Noop r = new Noop();
2807	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2806	>	final Noop[] rs = new Noop[6];
2807	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2808
2809	<	assertTrue(g.cancel(mayInterruptIfRunning));
2810	<	checkCompletedWithWrappedCancellationException(h);
2811	<	f.complete(v1);
2812	<
2813	<	checkCancelled(g);
2814	<	assertEquals(0, r.invocationCount);
2815	<	checkCompletedNormally(f, v1);
2816	<	checkCompletedWithWrappedCancellationException(h);
2817	<	}}
2818	<
2819	<	public void testRunAfterEither_sourceCancelled3() {
2820	<	for (ExecutionMode m : ExecutionMode.values())
2821	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2894	<	for (Integer v1 : new Integer[] { 1, null })
2895	<	{
2896	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2897	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2898	<	final Noop r = new Noop();
2809	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2810	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2811	>	checkIncomplete(h0);
2812	>	checkIncomplete(h1);
2813	>	rs[0].assertNotInvoked();
2814	>	rs[1].assertNotInvoked();
2815	>	f.cancel(mayInterruptIfRunning);
2816	>	checkCompletedWithWrappedCancellationException(h0);
2817	>	checkCompletedWithWrappedCancellationException(h1);
2818	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2819	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2820	>	checkCompletedWithWrappedCancellationException(h2);
2821	>	checkCompletedWithWrappedCancellationException(h3);
2822
2823	<	assertTrue(g.cancel(mayInterruptIfRunning));
2901	<	f.complete(v1);
2902	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2823	>	assertTrue(g.complete(v1));
2824
2825	<	// unspecified behavior
2826	<	Integer v;
2825	>	// unspecified behavior - both source completions available
2826	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2827	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2828	>	try {
2829	>	assertNull(h4.join());
2830	>	rs[4].assertInvoked();
2831	>	} catch (CompletionException ok) {
2832	>	checkCompletedWithWrappedCancellationException(h4);
2833	>	rs[4].assertNotInvoked();
2834	>	}
2835		try {
2836	<	assertNull(h.join());
2837	<	assertEquals(1, r.invocationCount);
2836	>	assertNull(h5.join());
2837	>	rs[5].assertInvoked();
2838		} catch (CompletionException ok) {
2839	<	checkCompletedWithWrappedCancellationException(h);
2840	<	assertEquals(0, r.invocationCount);
2839	>	checkCompletedWithWrappedCancellationException(h5);
2840	>	rs[5].assertNotInvoked();
2841		}
2842
2843	<	checkCancelled(g);
2844	<	checkCompletedNormally(f, v1);
2843	>	checkCancelled(f);
2844	>	checkCompletedNormally(g, v1);
2845	>	checkCompletedWithWrappedCancellationException(h0);
2846	>	checkCompletedWithWrappedCancellationException(h1);
2847	>	checkCompletedWithWrappedCancellationException(h2);
2848	>	checkCompletedWithWrappedCancellationException(h3);
2849	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2850		}}
2851
2852	<	public void testRunAfterEither_sourceCancelled4() {
2852	>	/**
2853	>	* runAfterEither result completes exceptionally if action does
2854	>	*/
2855	>	public void testRunAfterEither_actionFailed() {
2856		for (ExecutionMode m : ExecutionMode.values())
2920	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2857		for (Integer v1 : new Integer[] { 1, null })
2858	+	for (Integer v2 : new Integer[] { 2, null })
2859		{
2860		final CompletableFuture<Integer> f = new CompletableFuture<>();
2861		final CompletableFuture<Integer> g = new CompletableFuture<>();
2862	<	final Noop r = new Noop();
2862	>	final FailingRunnable[] rs = new FailingRunnable[6];
2863	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2864
2865	<	assertTrue(f.cancel(mayInterruptIfRunning));
2866	<	g.complete(v1);
2867	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2865	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2866	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2867	>	assertTrue(f.complete(v1));
2868	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2869	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2870	>	checkCompletedWithWrappedCFException(h0);
2871	>	checkCompletedWithWrappedCFException(h1);
2872	>	checkCompletedWithWrappedCFException(h2);
2873	>	checkCompletedWithWrappedCFException(h3);
2874	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2875	>	assertTrue(g.complete(v2));
2876	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2877	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2878	>	checkCompletedWithWrappedCFException(h4);
2879	>	checkCompletedWithWrappedCFException(h5);
2880
2881	<	// unspecified behavior
2882	<	Integer v;
2883	<	try {
2934	<	assertNull(h.join());
2935	<	assertEquals(1, r.invocationCount);
2936	<	} catch (CompletionException ok) {
2937	<	checkCompletedWithWrappedCancellationException(h);
2938	<	assertEquals(0, r.invocationCount);
2939	<	}
2940	<
2941	<	checkCancelled(f);
2942	<	checkCompletedNormally(g, v1);
2881	>	checkCompletedNormally(f, v1);
2882	>	checkCompletedNormally(g, v2);
2883	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2884		}}
2885
2886		/**
#	Line 2951 | Line 2892 | public class CompletableFutureTest exten
2892		for (Integer v1 : new Integer[] { 1, null })
2893		{
2894		final CompletableFuture<Integer> f = new CompletableFuture<>();
2895	<	final CompletableFutureInc r = new CompletableFutureInc();
2896	<	if (!createIncomplete) f.complete(v1);
2897	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2898	<	if (createIncomplete) f.complete(v1);
2895	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2896	>	if (!createIncomplete) assertTrue(f.complete(v1));
2897	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2898	>	if (createIncomplete) assertTrue(f.complete(v1));
2899
2900		checkCompletedNormally(g, inc(v1));
2901		checkCompletedNormally(f, v1);
2902	<	assertEquals(1, r.invocationCount);
2902	>	r.assertValue(v1);
2903		}}
2904
2905		/**
#	Line 2970 | Line 2911 | public class CompletableFutureTest exten
2911		for (boolean createIncomplete : new boolean[] { true, false })
2912		{
2913		final CFException ex = new CFException();
2914	<	final CompletableFutureInc r = new CompletableFutureInc();
2914	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2915		final CompletableFuture<Integer> f = new CompletableFuture<>();
2916		if (!createIncomplete) f.completeExceptionally(ex);
2917	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2917	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2918		if (createIncomplete) f.completeExceptionally(ex);
2919
2920	<	checkCompletedWithWrappedCFException(g, ex);
2921	<	checkCompletedWithWrappedCFException(f, ex);
2922	<	assertEquals(0, r.invocationCount);
2920	>	checkCompletedWithWrappedException(g, ex);
2921	>	checkCompletedExceptionally(f, ex);
2922	>	r.assertNotInvoked();
2923		}}
2924
2925		/**
#	Line 2991 | Line 2932 | public class CompletableFutureTest exten
2932		{
2933		final CompletableFuture<Integer> f = new CompletableFuture<>();
2934		final FailingCompletableFutureFunction r
2935	<	= new FailingCompletableFutureFunction();
2936	<	if (!createIncomplete) f.complete(v1);
2937	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2938	<	if (createIncomplete) f.complete(v1);
2935	>	= new FailingCompletableFutureFunction(m);
2936	>	if (!createIncomplete) assertTrue(f.complete(v1));
2937	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2938	>	if (createIncomplete) assertTrue(f.complete(v1));
2939
2940		checkCompletedWithWrappedCFException(g);
2941		checkCompletedNormally(f, v1);
#	Line 3009 | Line 2950 | public class CompletableFutureTest exten
2950		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2951		{
2952		final CompletableFuture<Integer> f = new CompletableFuture<>();
2953	<	final CompletableFutureInc r = new CompletableFutureInc();
2953	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2954		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2955	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2955	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2956		if (createIncomplete) {
2957		checkIncomplete(g);
2958		assertTrue(f.cancel(mayInterruptIfRunning));
#	Line 3021 | Line 2962 | public class CompletableFutureTest exten
2962		checkCancelled(f);
2963		}}
2964
2965	+	/**
2966	+	* thenCompose result completes exceptionally if the result of the action does
2967	+	*/
2968	+	public void testThenCompose_actionReturnsFailingFuture() {
2969	+	for (ExecutionMode m : ExecutionMode.values())
2970	+	for (int order = 0; order < 6; order++)
2971	+	for (Integer v1 : new Integer[] { 1, null })
2972	+	{
2973	+	final CFException ex = new CFException();
2974	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
2975	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
2976	+	final CompletableFuture<Integer> h;
2977	+	// Test all permutations of orders
2978	+	switch (order) {
2979	+	case 0:
2980	+	assertTrue(f.complete(v1));
2981	+	assertTrue(g.completeExceptionally(ex));
2982	+	h = m.thenCompose(f, (x -> g));
2983	+	break;
2984	+	case 1:
2985	+	assertTrue(f.complete(v1));
2986	+	h = m.thenCompose(f, (x -> g));
2987	+	assertTrue(g.completeExceptionally(ex));
2988	+	break;
2989	+	case 2:
2990	+	assertTrue(g.completeExceptionally(ex));
2991	+	assertTrue(f.complete(v1));
2992	+	h = m.thenCompose(f, (x -> g));
2993	+	break;
2994	+	case 3:
2995	+	assertTrue(g.completeExceptionally(ex));
2996	+	h = m.thenCompose(f, (x -> g));
2997	+	assertTrue(f.complete(v1));
2998	+	break;
2999	+	case 4:
3000	+	h = m.thenCompose(f, (x -> g));
3001	+	assertTrue(f.complete(v1));
3002	+	assertTrue(g.completeExceptionally(ex));
3003	+	break;
3004	+	case 5:
3005	+	h = m.thenCompose(f, (x -> g));
3006	+	assertTrue(f.complete(v1));
3007	+	assertTrue(g.completeExceptionally(ex));
3008	+	break;
3009	+	default: throw new AssertionError();
3010	+	}
3011	+
3012	+	checkCompletedExceptionally(g, ex);
3013	+	checkCompletedWithWrappedException(h, ex);
3014	+	checkCompletedNormally(f, v1);
3015	+	}}
3016	+
3017		// other static methods
3018
3019		/**
#	Line 3037 | Line 3030 | public class CompletableFutureTest exten
3030		* when all components complete normally
3031		*/
3032		public void testAllOf_normal() throws Exception {
3033	<	for (int k = 1; k < 20; ++k) {
3034	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3035	<	for (int i = 0; i < k; ++i)
3033	>	for (int k = 1; k < 10; k++) {
3034	>	CompletableFuture<Integer>[] fs
3035	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3036	>	for (int i = 0; i < k; i++)
3037		fs[i] = new CompletableFuture<>();
3038		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3039	<	for (int i = 0; i < k; ++i) {
3039	>	for (int i = 0; i < k; i++) {
3040		checkIncomplete(f);
3041		checkIncomplete(CompletableFuture.allOf(fs));
3042		fs[i].complete(one);
#	Line 3052 | Line 3046 | public class CompletableFutureTest exten
3046		}
3047		}
3048
3049	+	public void testAllOf_backwards() throws Exception {
3050	+	for (int k = 1; k < 10; k++) {
3051	+	CompletableFuture<Integer>[] fs
3052	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3053	+	for (int i = 0; i < k; i++)
3054	+	fs[i] = new CompletableFuture<>();
3055	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3056	+	for (int i = k - 1; i >= 0; i--) {
3057	+	checkIncomplete(f);
3058	+	checkIncomplete(CompletableFuture.allOf(fs));
3059	+	fs[i].complete(one);
3060	+	}
3061	+	checkCompletedNormally(f, null);
3062	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3063	+	}
3064	+	}
3065	+
3066	+	public void testAllOf_exceptional() throws Exception {
3067	+	for (int k = 1; k < 10; k++) {
3068	+	CompletableFuture<Integer>[] fs
3069	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3070	+	CFException ex = new CFException();
3071	+	for (int i = 0; i < k; i++)
3072	+	fs[i] = new CompletableFuture<>();
3073	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3074	+	for (int i = 0; i < k; i++) {
3075	+	checkIncomplete(f);
3076	+	checkIncomplete(CompletableFuture.allOf(fs));
3077	+	if (i != k / 2) {
3078	+	fs[i].complete(i);
3079	+	checkCompletedNormally(fs[i], i);
3080	+	} else {
3081	+	fs[i].completeExceptionally(ex);
3082	+	checkCompletedExceptionally(fs[i], ex);
3083	+	}
3084	+	}
3085	+	checkCompletedWithWrappedException(f, ex);
3086	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3087	+	}
3088	+	}
3089	+
3090		/**
3091		* anyOf(no component futures) returns an incomplete future
3092		*/
3093		public void testAnyOf_empty() throws Exception {
3094	+	for (Integer v1 : new Integer[] { 1, null })
3095	+	{
3096		CompletableFuture<Object> f = CompletableFuture.anyOf();
3097		checkIncomplete(f);
3098	<	}
3098	>
3099	>	f.complete(v1);
3100	>	checkCompletedNormally(f, v1);
3101	>	}}
3102
3103		/**
3104		* anyOf returns a future completed normally with a value when
3105		* a component future does
3106		*/
3107		public void testAnyOf_normal() throws Exception {
3108	<	for (int k = 0; k < 10; ++k) {
3108	>	for (int k = 0; k < 10; k++) {
3109		CompletableFuture[] fs = new CompletableFuture[k];
3110	<	for (int i = 0; i < k; ++i)
3110	>	for (int i = 0; i < k; i++)
3111		fs[i] = new CompletableFuture<>();
3112		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3113		checkIncomplete(f);
3114	<	for (int i = 0; i < k; ++i) {
3115	<	fs[i].complete(one);
3116	<	checkCompletedNormally(f, one);
3117	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3114	>	for (int i = 0; i < k; i++) {
3115	>	fs[i].complete(i);
3116	>	checkCompletedNormally(f, 0);
3117	>	int x = (int) CompletableFuture.anyOf(fs).join();
3118	>	assertTrue(0 <= x && x <= i);
3119	>	}
3120	>	}
3121	>	}
3122	>	public void testAnyOf_normal_backwards() throws Exception {
3123	>	for (int k = 0; k < 10; k++) {
3124	>	CompletableFuture[] fs = new CompletableFuture[k];
3125	>	for (int i = 0; i < k; i++)
3126	>	fs[i] = new CompletableFuture<>();
3127	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3128	>	checkIncomplete(f);
3129	>	for (int i = k - 1; i >= 0; i--) {
3130	>	fs[i].complete(i);
3131	>	checkCompletedNormally(f, k - 1);
3132	>	int x = (int) CompletableFuture.anyOf(fs).join();
3133	>	assertTrue(i <= x && x <= k - 1);
3134		}
3135		}
3136		}
#	Line 3083 | Line 3139 | public class CompletableFutureTest exten
3139		* anyOf result completes exceptionally when any component does.
3140		*/
3141		public void testAnyOf_exceptional() throws Exception {
3142	<	for (int k = 0; k < 10; ++k) {
3142	>	for (int k = 0; k < 10; k++) {
3143	>	CompletableFuture[] fs = new CompletableFuture[k];
3144	>	CFException[] exs = new CFException[k];
3145	>	for (int i = 0; i < k; i++) {
3146	>	fs[i] = new CompletableFuture<>();
3147	>	exs[i] = new CFException();
3148	>	}
3149	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3150	>	checkIncomplete(f);
3151	>	for (int i = 0; i < k; i++) {
3152	>	fs[i].completeExceptionally(exs[i]);
3153	>	checkCompletedWithWrappedException(f, exs[0]);
3154	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3155	>	}
3156	>	}
3157	>	}
3158	>
3159	>	public void testAnyOf_exceptional_backwards() throws Exception {
3160	>	for (int k = 0; k < 10; k++) {
3161		CompletableFuture[] fs = new CompletableFuture[k];
3162	<	for (int i = 0; i < k; ++i)
3162	>	CFException[] exs = new CFException[k];
3163	>	for (int i = 0; i < k; i++) {
3164		fs[i] = new CompletableFuture<>();
3165	+	exs[i] = new CFException();
3166	+	}
3167		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3168		checkIncomplete(f);
3169	<	for (int i = 0; i < k; ++i) {
3170	<	fs[i].completeExceptionally(new CFException());
3171	<	checkCompletedWithWrappedCFException(f);
3169	>	for (int i = k - 1; i >= 0; i--) {
3170	>	fs[i].completeExceptionally(exs[i]);
3171	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3172		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3173		}
3174		}
#	Line 3104 | Line 3181 | public class CompletableFutureTest exten
3181		CompletableFuture<Integer> f = new CompletableFuture<>();
3182		CompletableFuture<Integer> g = new CompletableFuture<>();
3183		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3107	–	CompletableFuture<?> h;
3184		ThreadExecutor exec = new ThreadExecutor();
3185
3186		Runnable[] throwingActions = {
3187		() -> CompletableFuture.supplyAsync(null),
3188		() -> CompletableFuture.supplyAsync(null, exec),
3189	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3189	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3190
3191		() -> CompletableFuture.runAsync(null),
3192		() -> CompletableFuture.runAsync(null, exec),
#	Line 3183 | Line 3259 | public class CompletableFutureTest exten
3259
3260		() -> f.thenCompose(null),
3261		() -> f.thenComposeAsync(null),
3262	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3262	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3263		() -> f.thenComposeAsync(null, exec),
3264
3265		() -> f.exceptionally(null),
#	Line 3201 | Line 3277 | public class CompletableFutureTest exten
3277		() -> CompletableFuture.anyOf(null, f),
3278
3279		() -> f.obtrudeException(null),
3280	+
3281	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3282	+	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3283	+	() -> CompletableFuture.delayedExecutor(1L, null),
3284	+
3285	+	() -> f.orTimeout(1L, null),
3286	+	() -> f.completeOnTimeout(42, 1L, null),
3287	+
3288	+	() -> CompletableFuture.failedFuture(null),
3289	+	() -> CompletableFuture.failedStage(null),
3290		};
3291
3292		assertThrows(NullPointerException.class, throwingActions);
#	Line 3215 | Line 3301 | public class CompletableFutureTest exten
3301		assertSame(f, f.toCompletableFuture());
3302		}
3303
3304	+	// jdk9
3305	+
3306		/**
3307	<	* whenComplete action executes on normal completion, propagating
3220	<	* source result.
3307	>	* newIncompleteFuture returns an incomplete CompletableFuture
3308		*/
3309	<	public void testWhenComplete_normalCompletion1() {
3223	<	for (ExecutionMode m : ExecutionMode.values())
3224	<	for (boolean createIncomplete : new boolean[] { true, false })
3309	>	public void testNewIncompleteFuture() {
3310		for (Integer v1 : new Integer[] { 1, null })
3311		{
3312	<	final AtomicInteger a = new AtomicInteger(0);
3313	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3314	<	if (!createIncomplete) f.complete(v1);
3315	<	final CompletableFuture<Integer> g = m.whenComplete
3316	<	(f,
3232	<	(Integer x, Throwable t) -> {
3233	<	threadAssertSame(x, v1);
3234	<	threadAssertNull(t);
3235	<	a.getAndIncrement();
3236	<	});
3237	<	if (createIncomplete) f.complete(v1);
3238	<
3239	<	checkCompletedNormally(g, v1);
3312	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3313	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3314	>	checkIncomplete(f);
3315	>	checkIncomplete(g);
3316	>	f.complete(v1);
3317		checkCompletedNormally(f, v1);
3318	<	assertEquals(1, a.get());
3318	>	checkIncomplete(g);
3319	>	g.complete(v1);
3320	>	checkCompletedNormally(g, v1);
3321	>	assertSame(g.getClass(), CompletableFuture.class);
3322		}}
3323
3324		/**
3325	<	* whenComplete action executes on exceptional completion, propagating
3246	<	* source result.
3325	>	* completedStage returns a completed CompletionStage
3326		*/
3327	<	public void testWhenComplete_exceptionalCompletion() {
3328	<	for (ExecutionMode m : ExecutionMode.values())
3329	<	for (boolean createIncomplete : new boolean[] { true, false })
3327	>	public void testCompletedStage() {
3328	>	AtomicInteger x = new AtomicInteger(0);
3329	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3330	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3331	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3332	>	assertEquals(x.get(), 1);
3333	>	assertNull(r.get());
3334	>	}
3335	>
3336	>	/**
3337	>	* defaultExecutor by default returns the commonPool if
3338	>	* it supports more than one thread.
3339	>	*/
3340	>	public void testDefaultExecutor() {
3341	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3342	>	Executor e = f.defaultExecutor();
3343	>	Executor c = ForkJoinPool.commonPool();
3344	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3345	>	assertSame(e, c);
3346	>	else
3347	>	assertNotSame(e, c);
3348	>	}
3349	>
3350	>	/**
3351	>	* failedFuture returns a CompletableFuture completed
3352	>	* exceptionally with the given Exception
3353	>	*/
3354	>	public void testFailedFuture() {
3355	>	CFException ex = new CFException();
3356	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3357	>	checkCompletedExceptionally(f, ex);
3358	>	}
3359	>
3360	>	/**
3361	>	* failedFuture(null) throws NPE
3362	>	*/
3363	>	public void testFailedFuture_null() {
3364	>	try {
3365	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3366	>	shouldThrow();
3367	>	} catch (NullPointerException success) {}
3368	>	}
3369	>
3370	>	/**
3371	>	* copy returns a CompletableFuture that is completed normally,
3372	>	* with the same value, when source is.
3373	>	*/
3374	>	public void testCopy() {
3375	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3376	>	CompletableFuture<Integer> g = f.copy();
3377	>	checkIncomplete(f);
3378	>	checkIncomplete(g);
3379	>	f.complete(1);
3380	>	checkCompletedNormally(f, 1);
3381	>	checkCompletedNormally(g, 1);
3382	>	}
3383	>
3384	>	/**
3385	>	* copy returns a CompletableFuture that is completed exceptionally
3386	>	* when source is.
3387	>	*/
3388	>	public void testCopy2() {
3389	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3390	>	CompletableFuture<Integer> g = f.copy();
3391	>	checkIncomplete(f);
3392	>	checkIncomplete(g);
3393	>	CFException ex = new CFException();
3394	>	f.completeExceptionally(ex);
3395	>	checkCompletedExceptionally(f, ex);
3396	>	checkCompletedWithWrappedException(g, ex);
3397	>	}
3398	>
3399	>	/**
3400	>	* minimalCompletionStage returns a CompletableFuture that is
3401	>	* completed normally, with the same value, when source is.
3402	>	*/
3403	>	public void testMinimalCompletionStage() {
3404	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3405	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3406	>	AtomicInteger x = new AtomicInteger(0);
3407	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3408	>	checkIncomplete(f);
3409	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3410	>	f.complete(1);
3411	>	checkCompletedNormally(f, 1);
3412	>	assertEquals(x.get(), 1);
3413	>	assertNull(r.get());
3414	>	}
3415	>
3416	>	/**
3417	>	* minimalCompletionStage returns a CompletableFuture that is
3418	>	* completed exceptionally when source is.
3419	>	*/
3420	>	public void testMinimalCompletionStage2() {
3421	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3422	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3423	>	AtomicInteger x = new AtomicInteger(0);
3424	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3425	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3426	>	checkIncomplete(f);
3427	>	CFException ex = new CFException();
3428	>	f.completeExceptionally(ex);
3429	>	checkCompletedExceptionally(f, ex);
3430	>	assertEquals(x.get(), 0);
3431	>	assertEquals(r.get().getCause(), ex);
3432	>	}
3433	>
3434	>	/**
3435	>	* failedStage returns a CompletionStage completed
3436	>	* exceptionally with the given Exception
3437	>	*/
3438	>	public void testFailedStage() {
3439	>	CFException ex = new CFException();
3440	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3441	>	AtomicInteger x = new AtomicInteger(0);
3442	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3443	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3444	>	assertEquals(x.get(), 0);
3445	>	assertEquals(r.get(), ex);
3446	>	}
3447	>
3448	>	/**
3449	>	* completeAsync completes with value of given supplier
3450	>	*/
3451	>	public void testCompleteAsync() {
3452		for (Integer v1 : new Integer[] { 1, null })
3453		{
3454	<	final AtomicInteger a = new AtomicInteger(0);
3455	<	final CFException ex = new CFException();
3456	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3457	<	if (!createIncomplete) f.completeExceptionally(ex);
3257	<	final CompletableFuture<Integer> g = m.whenComplete
3258	<	(f,
3259	<	(Integer x, Throwable t) -> {
3260	<	threadAssertNull(x);
3261	<	threadAssertSame(t, ex);
3262	<	a.getAndIncrement();
3263	<	});
3264	<	if (createIncomplete) f.completeExceptionally(ex);
3265	<	checkCompletedWithWrappedCFException(f, ex);
3266	<	checkCompletedWithWrappedCFException(g, ex);
3267	<	assertEquals(1, a.get());
3454	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3455	>	f.completeAsync(() -> v1);
3456	>	f.join();
3457	>	checkCompletedNormally(f, v1);
3458		}}
3459
3460		/**
3461	<	* whenComplete action executes on cancelled source, propagating
3272	<	* CancellationException.
3461	>	* completeAsync completes exceptionally if given supplier throws
3462		*/
3463	<	public void testWhenComplete_sourceCancelled() {
3464	<	for (ExecutionMode m : ExecutionMode.values())
3465	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3466	<	for (boolean createIncomplete : new boolean[] { true, false })
3463	>	public void testCompleteAsync2() {
3464	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3465	>	CFException ex = new CFException();
3466	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3467	>	try {
3468	>	f.join();
3469	>	shouldThrow();
3470	>	} catch (CompletionException success) {}
3471	>	checkCompletedWithWrappedException(f, ex);
3472	>	}
3473	>
3474	>	/**
3475	>	* completeAsync with given executor completes with value of given supplier
3476	>	*/
3477	>	public void testCompleteAsync3() {
3478	>	for (Integer v1 : new Integer[] { 1, null })
3479		{
3480	<	final AtomicInteger a = new AtomicInteger(0);
3481	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3482	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3483	<	final CompletableFuture<Integer> g = m.whenComplete
3484	<	(f,
3485	<	(Integer x, Throwable t) -> {
3486	<	threadAssertNull(x);
3286	<	threadAssertTrue(t instanceof CancellationException);
3287	<	a.getAndIncrement();
3288	<	});
3289	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3480	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3481	>	ThreadExecutor executor = new ThreadExecutor();
3482	>	f.completeAsync(() -> v1, executor);
3483	>	assertSame(v1, f.join());
3484	>	checkCompletedNormally(f, v1);
3485	>	assertEquals(1, executor.count.get());
3486	>	}}
3487
3488	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
3489	<	checkCompletedWithWrappedCancellationException(g);
3490	<	checkCancelled(f);
3491	<	assertEquals(1, a.get());
3488	>	/**
3489	>	* completeAsync with given executor completes exceptionally if
3490	>	* given supplier throws
3491	>	*/
3492	>	public void testCompleteAsync4() {
3493	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3494	>	CFException ex = new CFException();
3495	>	ThreadExecutor executor = new ThreadExecutor();
3496	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3497	>	try {
3498	>	f.join();
3499	>	shouldThrow();
3500	>	} catch (CompletionException success) {}
3501	>	checkCompletedWithWrappedException(f, ex);
3502	>	assertEquals(1, executor.count.get());
3503	>	}
3504	>
3505	>	/**
3506	>	* orTimeout completes with TimeoutException if not complete
3507	>	*/
3508	>	public void testOrTimeout_timesOut() {
3509	>	long timeoutMillis = timeoutMillis();
3510	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3511	>	long startTime = System.nanoTime();
3512	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3513	>	checkCompletedWithTimeoutException(f);
3514	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3515	>	}
3516	>
3517	>	/**
3518	>	* orTimeout completes normally if completed before timeout
3519	>	*/
3520	>	public void testOrTimeout_completed() {
3521	>	for (Integer v1 : new Integer[] { 1, null })
3522	>	{
3523	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3524	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3525	>	long startTime = System.nanoTime();
3526	>	f.complete(v1);
3527	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3528	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3529	>	g.complete(v1);
3530	>	checkCompletedNormally(f, v1);
3531	>	checkCompletedNormally(g, v1);
3532	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3533		}}
3534
3535		/**
3536	<	* If a whenComplete action throws an exception when triggered by
3299	<	* a normal completion, it completes exceptionally
3536	>	* completeOnTimeout completes with given value if not complete
3537		*/
3538	<	public void testWhenComplete_actionFailed() {
3539	<	for (boolean createIncomplete : new boolean[] { true, false })
3540	<	for (ExecutionMode m : ExecutionMode.values())
3538	>	public void testCompleteOnTimeout_timesOut() {
3539	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3540	>	() -> testCompleteOnTimeout_timesOut(null));
3541	>	}
3542	>
3543	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3544	>	long timeoutMillis = timeoutMillis();
3545	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3546	>	long startTime = System.nanoTime();
3547	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3548	>	assertSame(v, f.join());
3549	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3550	>	f.complete(99);         // should have no effect
3551	>	checkCompletedNormally(f, v);
3552	>	}
3553	>
3554	>	/**
3555	>	* completeOnTimeout has no effect if completed within timeout
3556	>	*/
3557	>	public void testCompleteOnTimeout_completed() {
3558		for (Integer v1 : new Integer[] { 1, null })
3559		{
3560	<	final AtomicInteger a = new AtomicInteger(0);
3561	<	final CFException ex = new CFException();
3562	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3563	<	if (!createIncomplete) f.complete(v1);
3564	<	final CompletableFuture<Integer> g = m.whenComplete
3565	<	(f,
3566	<	(Integer x, Throwable t) -> {
3313	<	threadAssertSame(x, v1);
3314	<	threadAssertNull(t);
3315	<	a.getAndIncrement();
3316	<	throw ex;
3317	<	});
3318	<	if (createIncomplete) f.complete(v1);
3560	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3561	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3562	>	long startTime = System.nanoTime();
3563	>	f.complete(v1);
3564	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3565	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3566	>	g.complete(v1);
3567		checkCompletedNormally(f, v1);
3568	<	checkCompletedWithWrappedCFException(g, ex);
3569	<	assertEquals(1, a.get());
3568	>	checkCompletedNormally(g, v1);
3569	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3570		}}
3571
3572		/**
3573	<	* If a whenComplete action throws an exception when triggered by
3326	<	* a source completion that also throws an exception, the source
3327	<	* exception takes precedence.
3573	>	* delayedExecutor returns an executor that delays submission
3574		*/
3575	<	public void testWhenComplete_actionFailedSourceFailed() {
3576	<	for (boolean createIncomplete : new boolean[] { true, false })
3575	>	public void testDelayedExecutor() {
3576	>	testInParallel(() -> testDelayedExecutor(null, null),
3577	>	() -> testDelayedExecutor(null, 1),
3578	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3579	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3580	>	}
3581	>
3582	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3583	>	long timeoutMillis = timeoutMillis();
3584	>	// Use an "unreasonably long" long timeout to catch lingering threads
3585	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3586	>	final Executor delayer, longDelayer;
3587	>	if (executor == null) {
3588	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3589	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3590	>	} else {
3591	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3592	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3593	>	}
3594	>	long startTime = System.nanoTime();
3595	>	CompletableFuture<Integer> f =
3596	>	CompletableFuture.supplyAsync(() -> v, delayer);
3597	>	CompletableFuture<Integer> g =
3598	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3599	>
3600	>	assertNull(g.getNow(null));
3601	>
3602	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3603	>	long millisElapsed = millisElapsedSince(startTime);
3604	>	assertTrue(millisElapsed >= timeoutMillis);
3605	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3606	>
3607	>	checkCompletedNormally(f, v);
3608	>
3609	>	checkIncomplete(g);
3610	>	assertTrue(g.cancel(true));
3611	>	}
3612	>
3613	>	//--- tests of implementation details; not part of official tck ---
3614	>
3615	>	Object resultOf(CompletableFuture<?> f) {
3616	>	try {
3617	>	java.lang.reflect.Field resultField
3618	>	= CompletableFuture.class.getDeclaredField("result");
3619	>	resultField.setAccessible(true);
3620	>	return resultField.get(f);
3621	>	} catch (Throwable t) { throw new AssertionError(t); }
3622	>	}
3623	>
3624	>	public void testExceptionPropagationReusesResultObject() {
3625	>	if (!testImplementationDetails) return;
3626		for (ExecutionMode m : ExecutionMode.values())
3332	–	for (Integer v1 : new Integer[] { 1, null })
3627		{
3628	<	final AtomicInteger a = new AtomicInteger(0);
3629	<	final CFException ex1 = new CFException();
3630	<	final CFException ex2 = new CFException();
3337	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3628	>	final CFException ex = new CFException();
3629	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3630	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3631
3632	<	if (!createIncomplete) f.completeExceptionally(ex1);
3633	<	final CompletableFuture<Integer> g = m.whenComplete
3341	<	(f,
3342	<	(Integer x, Throwable t) -> {
3343	<	threadAssertSame(t, ex1);
3344	<	threadAssertNull(x);
3345	<	a.getAndIncrement();
3346	<	throw ex2;
3347	<	});
3348	<	if (createIncomplete) f.completeExceptionally(ex1);
3632	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3633	>	= new ArrayList<>();
3634
3635	<	checkCompletedWithWrappedCFException(f, ex1);
3636	<	checkCompletedWithWrappedCFException(g, ex1);
3637	<	assertEquals(1, a.get());
3635	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3636	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3637	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3638	>
3639	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3640	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3641	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3642	>
3643	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3644	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3645	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3646	>
3647	>	funs.add((y) -> m.whenComplete(y, (Integer x, Throwable t) -> {}));
3648	>
3649	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3650	>
3651	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3652	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3653	>
3654	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3655	>	fun : funs) {
3656	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3657	>	f.completeExceptionally(ex);
3658	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3659	>	checkCompletedWithWrappedException(src, ex);
3660	>	CompletableFuture<?> dep = fun.apply(src);
3661	>	checkCompletedWithWrappedException(dep, ex);
3662	>	assertSame(resultOf(src), resultOf(dep));
3663	>	}
3664	>
3665	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3666	>	fun : funs) {
3667	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3668	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3669	>	CompletableFuture<?> dep = fun.apply(src);
3670	>	f.completeExceptionally(ex);
3671	>	checkCompletedWithWrappedException(src, ex);
3672	>	checkCompletedWithWrappedException(dep, ex);
3673	>	assertSame(resultOf(src), resultOf(dep));
3674	>	}
3675	>
3676	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3677	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3678	>	fun : funs) {
3679	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3680	>	f.cancel(mayInterruptIfRunning);
3681	>	checkCancelled(f);
3682	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3683	>	checkCompletedWithWrappedCancellationException(src);
3684	>	CompletableFuture<?> dep = fun.apply(src);
3685	>	checkCompletedWithWrappedCancellationException(dep);
3686	>	assertSame(resultOf(src), resultOf(dep));
3687	>	}
3688	>
3689	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3690	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3691	>	fun : funs) {
3692	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3693	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3694	>	CompletableFuture<?> dep = fun.apply(src);
3695	>	f.cancel(mayInterruptIfRunning);
3696	>	checkCancelled(f);
3697	>	checkCompletedWithWrappedCancellationException(src);
3698	>	checkCompletedWithWrappedCancellationException(dep);
3699	>	assertSame(resultOf(src), resultOf(dep));
3700	>	}
3701		}}
3702
3703	+	/**
3704	+	* Minimal completion stages throw UOE for all non-CompletionStage methods
3705	+	*/
3706	+	public void testMinimalCompletionStage_minimality() {
3707	+	if (!testImplementationDetails) return;
3708	+	Function<Method, String> toSignature =
3709	+	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3710	+	Predicate<Method> isNotStatic =
3711	+	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3712	+	List<Method> minimalMethods =
3713	+	Stream.of(Object.class, CompletionStage.class)
3714	+	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3715	+	.filter(isNotStatic)
3716	+	.collect(Collectors.toList());
3717	+	// Methods from CompletableFuture permitted NOT to throw UOE
3718	+	String[] signatureWhitelist = {
3719	+	"newIncompleteFuture[]",
3720	+	"defaultExecutor[]",
3721	+	"minimalCompletionStage[]",
3722	+	"copy[]",
3723	+	};
3724	+	Set<String> permittedMethodSignatures =
3725	+	Stream.concat(minimalMethods.stream().map(toSignature),
3726	+	Stream.of(signatureWhitelist))
3727	+	.collect(Collectors.toSet());
3728	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3729	+	.filter(isNotStatic)
3730	+	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3731	+	.collect(Collectors.toList());
3732	+
3733	+	CompletionStage<Integer> minimalStage =
3734	+	new CompletableFuture<Integer>().minimalCompletionStage();
3735	+
3736	+	List<Method> bugs = new ArrayList<>();
3737	+	for (Method method : allMethods) {
3738	+	Class<?>[] parameterTypes = method.getParameterTypes();
3739	+	Object[] args = new Object[parameterTypes.length];
3740	+	// Manufacture boxed primitives for primitive params
3741	+	for (int i = 0; i < args.length; i++) {
3742	+	Class<?> type = parameterTypes[i];
3743	+	if (parameterTypes[i] == boolean.class)
3744	+	args[i] = false;
3745	+	else if (parameterTypes[i] == int.class)
3746	+	args[i] = 0;
3747	+	else if (parameterTypes[i] == long.class)
3748	+	args[i] = 0L;
3749	+	}
3750	+	try {
3751	+	method.invoke(minimalStage, args);
3752	+	bugs.add(method);
3753	+	}
3754	+	catch (java.lang.reflect.InvocationTargetException expected) {
3755	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3756	+	bugs.add(method);
3757	+	// expected.getCause().printStackTrace();
3758	+	}
3759	+	}
3760	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3761	+	}
3762	+	if (!bugs.isEmpty())
3763	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3764	+	}
3765	+
3766	+	static class Monad {
3767	+	static class MonadError extends Error {
3768	+	public MonadError() { super("monadic zero"); }
3769	+	}
3770	+	// "return", "unit"
3771	+	static <T> CompletableFuture<T> unit(T value) {
3772	+	return completedFuture(value);
3773	+	}
3774	+	// monadic zero ?
3775	+	static <T> CompletableFuture<T> zero(T value) {
3776	+	return failedFuture(new MonadError());
3777	+	}
3778	+	// >=>
3779	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3780	+	(Function<T, CompletableFuture<U>> f,
3781	+	Function<U, CompletableFuture<V>> g) {
3782	+	return (x) -> f.apply(x).thenCompose(g);
3783	+	}
3784	+
3785	+	static void assertZero(CompletableFuture<?> f) {
3786	+	try {
3787	+	f.getNow(null);
3788	+	throw new AssertionFailedError("should throw");
3789	+	} catch (CompletionException success) {
3790	+	assertTrue(success.getCause() instanceof MonadError);
3791	+	}
3792	+	}
3793	+
3794	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
3795	+	CompletableFuture<T> g) {
3796	+	T fval = null, gval = null;
3797	+	Throwable fex = null, gex = null;
3798	+
3799	+	try { fval = f.get(); }
3800	+	catch (ExecutionException ex) { fex = ex.getCause(); }
3801	+	catch (Throwable ex) { fex = ex; }
3802	+
3803	+	try { gval = g.get(); }
3804	+	catch (ExecutionException ex) { gex = ex.getCause(); }
3805	+	catch (Throwable ex) { gex = ex; }
3806	+
3807	+	if (fex != null || gex != null)
3808	+	assertSame(fex.getClass(), gex.getClass());
3809	+	else
3810	+	assertEquals(fval, gval);
3811	+	}
3812	+
3813	+	static class PlusFuture<T> extends CompletableFuture<T> {
3814	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3815	+	}
3816	+
3817	+	// Monadic "plus"
3818	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3819	+	CompletableFuture<? extends T> g) {
3820	+	PlusFuture<T> plus = new PlusFuture<T>();
3821	+	BiConsumer<T, Throwable> action = (T result, Throwable fail) -> {
3822	+	if (result != null) {
3823	+	if (plus.complete(result))
3824	+	if (plus.firstFailure.get() != null)
3825	+	plus.firstFailure.set(null);
3826	+	}
3827	+	else if (plus.firstFailure.compareAndSet(null, fail)) {
3828	+	if (plus.isDone())
3829	+	plus.firstFailure.set(null);
3830	+	} else {
3831	+	if (plus.completeExceptionally(fail))
3832	+	plus.firstFailure.set(null);
3833	+	}
3834	+	};
3835	+	f.whenComplete(action);
3836	+	g.whenComplete(action);
3837	+	return plus;
3838	+	}
3839	+	}
3840	+
3841	+	/**
3842	+	* CompletableFuture is an additive monad - sort of.
3843	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3844	+	*/
3845	+	public void testAdditiveMonad() throws Throwable {
3846	+	// Some mutually non-commutative functions
3847	+	Function<Long, CompletableFuture<Long>> triple
3848	+	= (x) -> completedFuture(3 * x);
3849	+	Function<Long, CompletableFuture<Long>> inc
3850	+	= (x) -> completedFuture(x + 1);
3851	+
3852	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3853	+	Function<Long, CompletableFuture<Long>> zero = Monad::zero;
3854	+
3855	+	// unit is a right identity: m >>= unit === m
3856	+	Monad.assertFutureEquals(
3857	+	inc.apply(5L).thenCompose(unit),
3858	+	inc.apply(5L));
3859	+	// unit is a left identity: (unit x) >>= f === f x
3860	+	Monad.assertFutureEquals(
3861	+	unit.apply(5L).thenCompose(inc),
3862	+	inc.apply(5L));
3863	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3864	+	Monad.assertFutureEquals(
3865	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3866	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3867	+
3868	+	// zero is a monadic zero
3869	+	Monad.assertZero(zero.apply(5L));
3870	+	// left zero: zero >>= f === zero
3871	+	Monad.assertZero(zero.apply(5L).thenCompose(inc));
3872	+	// right zero: f >>= zero === zero
3873	+	Monad.assertZero(inc.apply(5L).thenCompose(zero));
3874	+
3875	+	// inc plus zero === inc
3876	+	Monad.assertFutureEquals(
3877	+	inc.apply(5L),
3878	+	Monad.plus(inc.apply(5L), zero.apply(5L)));
3879	+	// zero plus inc === inc
3880	+	Monad.assertFutureEquals(
3881	+	inc.apply(5L),
3882	+	Monad.plus(zero.apply(5L), inc.apply(5L)));
3883	+	// zero plus zero === zero
3884	+	Monad.assertZero(Monad.plus(zero.apply(5L), zero.apply(5L)));
3885	+	{
3886	+	CompletableFuture<Long> f = Monad.plus(inc.apply(5L), inc.apply(8L));
3887	+	assertTrue(f.get() == 6L || f.get() == 9L);
3888	+	}
3889	+
3890	+	CompletableFuture<Long> godot = new CompletableFuture<>();
3891	+	// inc plus godot === inc (doesn't wait for godot)
3892	+	Monad.assertFutureEquals(
3893	+	inc.apply(5L),
3894	+	Monad.plus(inc.apply(5L), godot));
3895	+	// godot plus inc === inc (doesn't wait for godot)
3896	+	Monad.assertFutureEquals(
3897	+	inc.apply(5L),
3898	+	Monad.plus(godot, inc.apply(5L)));
3899	+	}
3900	+
3901	+	//     static <U> U join(CompletionStage<U> stage) {
3902	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3903	+	//         stage.whenComplete((v, ex) -> {
3904	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3905	+	//         });
3906	+	//         return f.join();
3907	+	//     }
3908	+
3909	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
3910	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3911	+	//         stage.whenComplete((v, ex) -> {
3912	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3913	+	//         });
3914	+	//         return f.isDone();
3915	+	//     }
3916	+
3917	+	//     static <U> U join2(CompletionStage<U> stage) {
3918	+	//         return stage.toCompletableFuture().copy().join();
3919	+	//     }
3920	+
3921	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3922	+	//         return stage.toCompletableFuture().copy().isDone();
3923	+	//     }
3924	+
3925		}

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