[ViewVC] Diff of: jsr166/jsr166/src/test/tck/CompletableFutureTest.java

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.57 by jsr166, Mon Jun 2 22:48:50 2014 UTC vs.
Revision 1.151 by jsr166, Sun Jun 26 17:45:35 2016 UTC

#	Line 5 \| Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31		import java.util.concurrent.ForkJoinPool;
32		import java.util.concurrent.ForkJoinTask;
33		import java.util.concurrent.TimeoutException;
34	+	import java.util.concurrent.TimeUnit;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
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());
285	<	checkCompletedWithWrappedCFException(f);
280	>	for (Integer v1 : new Integer[] { 1, null })
281	>	{
282	>	CFException ex;
283	>	CompletableFuture<Integer> f;
284	>
285	>	f = new CompletableFuture<>();
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	<	f.obtrudeException(new CFException());
294	<	checkCompletedWithWrappedCFException(f);
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(ExecutionMode.DEFAULT));
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(ExecutionMode.DEFAULT));
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	<	final ExecutionMode m;
415	<	int invocationCount = 0;
416	<	Integer value;
417	<	IncFunction(ExecutionMode m) { this.m = m; }
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	<	m.checkExecutionMode();
358	<	invocationCount++;
419	>	invoked();
420		return value = inc(x);
421		}
422		}
423	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
424	<	final ExecutionMode m;
425	<	int invocationCount = 0;
426	<	Integer value;
427	<	// Check this action was invoked exactly once when result is computed.
428	<	SubtractAction(ExecutionMode m) { this.m = m; }
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	<	m.checkExecutionMode();
370	<	invocationCount++;
437	>	invoked();
438		value = subtract(x, y);
439		}
440		}
441	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
442	<	final ExecutionMode m;
443	<	int invocationCount = 0;
444	<	Integer value;
445	<	// Check this action was invoked exactly once when result is computed.
379	<	SubtractFunction(ExecutionMode m) { this.m = m; }
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	<	m.checkExecutionMode();
382	<	invocationCount++;
447	>	invoked();
448		return value = subtract(x, y);
449		}
450		}
451	<	static final class Noop implements Runnable {
452	<	final ExecutionMode m;
453	<	int invocationCount = 0;
389	<	Noop(ExecutionMode m) { this.m = m; }
451	>
452	>	class Noop extends CheckedAction implements Runnable {
453	>	Noop(ExecutionMode m) { super(m); }
454		public void run() {
455	<	m.checkExecutionMode();
392	<	invocationCount++;
455	>	invoked();
456		}
457		}
458
459	<	static final class FailingSupplier implements Supplier<Integer> {
460	<	final ExecutionMode m;
461	<	int invocationCount = 0;
462	<	FailingSupplier(ExecutionMode m) { this.m = m; }
459	>	class FailingSupplier extends CheckedAction
460	>	implements Supplier<Integer>
461	>	{
462	>	final CFException ex;
463	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
464		public Integer get() {
465	<	m.checkExecutionMode();
466	<	invocationCount++;
403	<	throw new CFException();
465	>	invoked();
466	>	throw ex;
467		}
468		}
469	<	static final class FailingConsumer implements Consumer<Integer> {
470	<	final ExecutionMode m;
471	<	int invocationCount = 0;
472	<	FailingConsumer(ExecutionMode m) { this.m = m; }
469	>
470	>	class FailingConsumer extends CheckedIntegerAction
471	>	implements Consumer<Integer>
472	>	{
473	>	final CFException ex;
474	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
475		public void accept(Integer x) {
476	<	m.checkExecutionMode();
477	<	invocationCount++;
478	<	throw new CFException();
476	>	invoked();
477	>	value = x;
478	>	throw ex;
479		}
480		}
481	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
482	<	final ExecutionMode m;
483	<	int invocationCount = 0;
484	<	FailingBiConsumer(ExecutionMode m) { this.m = m; }
481	>
482	>	class FailingBiConsumer extends CheckedIntegerAction
483	>	implements BiConsumer<Integer, Integer>
484	>	{
485	>	final CFException ex;
486	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
487		public void accept(Integer x, Integer y) {
488	<	m.checkExecutionMode();
489	<	invocationCount++;
490	<	throw new CFException();
488	>	invoked();
489	>	value = subtract(x, y);
490	>	throw ex;
491		}
492		}
493	<	static final class FailingFunction implements Function<Integer, Integer> {
494	<	final ExecutionMode m;
495	<	int invocationCount = 0;
496	<	FailingFunction(ExecutionMode m) { this.m = m; }
493	>
494	>	class FailingFunction extends CheckedIntegerAction
495	>	implements Function<Integer, Integer>
496	>	{
497	>	final CFException ex;
498	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
499		public Integer apply(Integer x) {
500	<	m.checkExecutionMode();
501	<	invocationCount++;
502	<	throw new CFException();
500	>	invoked();
501	>	value = x;
502	>	throw ex;
503		}
504		}
505	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
506	<	final ExecutionMode m;
507	<	int invocationCount = 0;
508	<	FailingBiFunction(ExecutionMode m) { this.m = m; }
505	>
506	>	class FailingBiFunction extends CheckedIntegerAction
507	>	implements BiFunction<Integer, Integer, Integer>
508	>	{
509	>	final CFException ex;
510	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
511		public Integer apply(Integer x, Integer y) {
512	<	m.checkExecutionMode();
513	<	invocationCount++;
514	<	throw new CFException();
512	>	invoked();
513	>	value = subtract(x, y);
514	>	throw ex;
515		}
516		}
517	<	static final class FailingRunnable implements Runnable {
518	<	final ExecutionMode m;
519	<	int invocationCount = 0;
520	<	FailingRunnable(ExecutionMode m) { this.m = m; }
517	>
518	>	class FailingRunnable extends CheckedAction implements Runnable {
519	>	final CFException ex;
520	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
521		public void run() {
522	<	m.checkExecutionMode();
523	<	invocationCount++;
453	<	throw new CFException();
522	>	invoked();
523	>	throw ex;
524		}
525		}
526
527	<	static final class CompletableFutureInc
528	<	implements Function<Integer, CompletableFuture<Integer>> {
529	<	final ExecutionMode m;
530	<	int invocationCount = 0;
461	<	CompletableFutureInc(ExecutionMode m) { this.m = m; }
527	>	class CompletableFutureInc extends CheckedIntegerAction
528	>	implements Function<Integer, CompletableFuture<Integer>>
529	>	{
530	>	CompletableFutureInc(ExecutionMode m) { super(m); }
531		public CompletableFuture<Integer> apply(Integer x) {
532	<	m.checkExecutionMode();
533	<	invocationCount++;
532	>	invoked();
533	>	value = x;
534		CompletableFuture<Integer> f = new CompletableFuture<>();
535	<	f.complete(inc(x));
535	>	assertTrue(f.complete(inc(x)));
536		return f;
537		}
538		}
539
540	<	static final class FailingCompletableFutureFunction
541	<	implements Function<Integer, CompletableFuture<Integer>> {
542	<	final ExecutionMode m;
543	<	int invocationCount = 0;
544	<	FailingCompletableFutureFunction(ExecutionMode m) { this.m = m; }
540	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
541	>	implements Function<Integer, CompletableFuture<Integer>>
542	>	{
543	>	final CFException ex;
544	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
545		public CompletableFuture<Integer> apply(Integer x) {
546	<	m.checkExecutionMode();
547	<	invocationCount++;
548	<	throw new CFException();
546	>	invoked();
547	>	value = x;
548	>	throw ex;
549		}
550		}
551
#	Line 494 \| Line 563 \| public class CompletableFutureTest exten
563		}
564		}
565
566	+	static final boolean defaultExecutorIsCommonPool
567	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
568	+
569		/**
570		* Permits the testing of parallel code for the 3 different
571	<	* execution modes without repeating all the testing code.
571	>	* execution modes without copy/pasting all the test methods.
572		*/
573		enum ExecutionMode {
574	<	DEFAULT {
574	>	SYNC {
575		public void checkExecutionMode() {
576	+	assertFalse(ThreadExecutor.startedCurrentThread());
577		assertNull(ForkJoinTask.getPool());
578		}
579		public CompletableFuture<Void> runAsync(Runnable a) {
580		throw new UnsupportedOperationException();
581		}
582	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
583	+	throw new UnsupportedOperationException();
584	+	}
585		public <T> CompletableFuture<Void> thenRun
586		(CompletableFuture<T> f, Runnable a) {
587		return f.thenRun(a);
#	Line 571 \| Line 647 \| public class CompletableFutureTest exten
647
648		ASYNC {
649		public void checkExecutionMode() {
650	<	assertSame(ForkJoinPool.commonPool(),
651	<	ForkJoinTask.getPool());
650	>	assertEquals(defaultExecutorIsCommonPool,
651	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
652		}
653		public CompletableFuture<Void> runAsync(Runnable a) {
654		return CompletableFuture.runAsync(a);
655		}
656	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
657	+	return CompletableFuture.supplyAsync(a);
658	+	}
659		public <T> CompletableFuture<Void> thenRun
660		(CompletableFuture<T> f, Runnable a) {
661		return f.thenRunAsync(a);
#	Line 647 \| Line 726 \| public class CompletableFutureTest exten
726		public CompletableFuture<Void> runAsync(Runnable a) {
727		return CompletableFuture.runAsync(a, new ThreadExecutor());
728		}
729	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
730	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
731	+	}
732		public <T> CompletableFuture<Void> thenRun
733		(CompletableFuture<T> f, Runnable a) {
734		return f.thenRunAsync(a, new ThreadExecutor());
#	Line 712 \| Line 794 \| public class CompletableFutureTest exten
794
795		public abstract void checkExecutionMode();
796		public abstract CompletableFuture<Void> runAsync(Runnable a);
797	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
798		public abstract <T> CompletableFuture<Void> thenRun
799		(CompletableFuture<T> f, Runnable a);
800		public abstract <T> CompletableFuture<Void> thenAccept
#	Line 761 \| Line 844 \| public class CompletableFutureTest exten
844		{
845		final AtomicInteger a = new AtomicInteger(0);
846		final CompletableFuture<Integer> f = new CompletableFuture<>();
847	<	if (!createIncomplete) f.complete(v1);
847	>	if (!createIncomplete) assertTrue(f.complete(v1));
848		final CompletableFuture<Integer> g = f.exceptionally
849		((Throwable t) -> {
767	–	// Should not be called
850		a.getAndIncrement();
851	<	throw new AssertionError();
851	>	threadFail("should not be called");
852	>	return null; // unreached
853		});
854	<	if (createIncomplete) f.complete(v1);
854	>	if (createIncomplete) assertTrue(f.complete(v1));
855
856		checkCompletedNormally(g, v1);
857		checkCompletedNormally(f, v1);
858		assertEquals(0, a.get());
859		}}
860
778	–
861		/**
862		* exceptionally action completes with function value on source
863		* exception
#	Line 790 \| Line 872 \| public class CompletableFutureTest exten
872		if (!createIncomplete) f.completeExceptionally(ex);
873		final CompletableFuture<Integer> g = f.exceptionally
874		((Throwable t) -> {
875	<	ExecutionMode.DEFAULT.checkExecutionMode();
875	>	ExecutionMode.SYNC.checkExecutionMode();
876		threadAssertSame(t, ex);
877		a.getAndIncrement();
878		return v1;
#	Line 801 \| Line 883 \| public class CompletableFutureTest exten
883		assertEquals(1, a.get());
884		}}
885
886	+	/**
887	+	* If an "exceptionally action" throws an exception, it completes
888	+	* exceptionally with that exception
889	+	*/
890		public void testExceptionally_exceptionalCompletionActionFailed() {
891		for (boolean createIncomplete : new boolean[] { true, false })
806	–	for (Integer v1 : new Integer[] { 1, null })
892		{
893		final AtomicInteger a = new AtomicInteger(0);
894		final CFException ex1 = new CFException();
#	Line 812 \| Line 897 \| public class CompletableFutureTest exten
897		if (!createIncomplete) f.completeExceptionally(ex1);
898		final CompletableFuture<Integer> g = f.exceptionally
899		((Throwable t) -> {
900	<	ExecutionMode.DEFAULT.checkExecutionMode();
900	>	ExecutionMode.SYNC.checkExecutionMode();
901		threadAssertSame(t, ex1);
902		a.getAndIncrement();
903		throw ex2;
904		});
905		if (createIncomplete) f.completeExceptionally(ex1);
906
907	<	checkCompletedWithWrappedCFException(g, ex2);
907	>	checkCompletedWithWrappedException(g, ex2);
908	>	checkCompletedExceptionally(f, ex1);
909	>	assertEquals(1, a.get());
910	>	}}
911	>
912	>	/**
913	>	* whenComplete action executes on normal completion, propagating
914	>	* source result.
915	>	*/
916	>	public void testWhenComplete_normalCompletion() {
917	>	for (ExecutionMode m : ExecutionMode.values())
918	>	for (boolean createIncomplete : new boolean[] { true, false })
919	>	for (Integer v1 : new Integer[] { 1, null })
920	>	{
921	>	final AtomicInteger a = new AtomicInteger(0);
922	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
923	>	if (!createIncomplete) assertTrue(f.complete(v1));
924	>	final CompletableFuture<Integer> g = m.whenComplete
925	>	(f,
926	>	(Integer result, Throwable t) -> {
927	>	m.checkExecutionMode();
928	>	threadAssertSame(result, v1);
929	>	threadAssertNull(t);
930	>	a.getAndIncrement();
931	>	});
932	>	if (createIncomplete) assertTrue(f.complete(v1));
933	>
934	>	checkCompletedNormally(g, v1);
935	>	checkCompletedNormally(f, v1);
936	>	assertEquals(1, a.get());
937	>	}}
938	>
939	>	/**
940	>	* whenComplete action executes on exceptional completion, propagating
941	>	* source result.
942	>	*/
943	>	public void testWhenComplete_exceptionalCompletion() {
944	>	for (ExecutionMode m : ExecutionMode.values())
945	>	for (boolean createIncomplete : new boolean[] { true, false })
946	>	{
947	>	final AtomicInteger a = new AtomicInteger(0);
948	>	final CFException ex = new CFException();
949	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
950	>	if (!createIncomplete) f.completeExceptionally(ex);
951	>	final CompletableFuture<Integer> g = m.whenComplete
952	>	(f,
953	>	(Integer result, Throwable t) -> {
954	>	m.checkExecutionMode();
955	>	threadAssertNull(result);
956	>	threadAssertSame(t, ex);
957	>	a.getAndIncrement();
958	>	});
959	>	if (createIncomplete) f.completeExceptionally(ex);
960	>
961	>	checkCompletedWithWrappedException(g, ex);
962	>	checkCompletedExceptionally(f, ex);
963	>	assertEquals(1, a.get());
964	>	}}
965	>
966	>	/**
967	>	* whenComplete action executes on cancelled source, propagating
968	>	* CancellationException.
969	>	*/
970	>	public void testWhenComplete_sourceCancelled() {
971	>	for (ExecutionMode m : ExecutionMode.values())
972	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
973	>	for (boolean createIncomplete : new boolean[] { true, false })
974	>	{
975	>	final AtomicInteger a = new AtomicInteger(0);
976	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
977	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
978	>	final CompletableFuture<Integer> g = m.whenComplete
979	>	(f,
980	>	(Integer result, Throwable t) -> {
981	>	m.checkExecutionMode();
982	>	threadAssertNull(result);
983	>	threadAssertTrue(t instanceof CancellationException);
984	>	a.getAndIncrement();
985	>	});
986	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
987	>
988	>	checkCompletedWithWrappedCancellationException(g);
989	>	checkCancelled(f);
990	>	assertEquals(1, a.get());
991	>	}}
992	>
993	>	/**
994	>	* If a whenComplete action throws an exception when triggered by
995	>	* a normal completion, it completes exceptionally
996	>	*/
997	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
998	>	for (boolean createIncomplete : new boolean[] { true, false })
999	>	for (ExecutionMode m : ExecutionMode.values())
1000	>	for (Integer v1 : new Integer[] { 1, null })
1001	>	{
1002	>	final AtomicInteger a = new AtomicInteger(0);
1003	>	final CFException ex = new CFException();
1004	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1005	>	if (!createIncomplete) assertTrue(f.complete(v1));
1006	>	final CompletableFuture<Integer> g = m.whenComplete
1007	>	(f,
1008	>	(Integer result, Throwable t) -> {
1009	>	m.checkExecutionMode();
1010	>	threadAssertSame(result, v1);
1011	>	threadAssertNull(t);
1012	>	a.getAndIncrement();
1013	>	throw ex;
1014	>	});
1015	>	if (createIncomplete) assertTrue(f.complete(v1));
1016	>
1017	>	checkCompletedWithWrappedException(g, ex);
1018	>	checkCompletedNormally(f, v1);
1019	>	assertEquals(1, a.get());
1020	>	}}
1021	>
1022	>	/**
1023	>	* If a whenComplete action throws an exception when triggered by
1024	>	* a source completion that also throws an exception, the source
1025	>	* exception takes precedence (unlike handle)
1026	>	*/
1027	>	public void testWhenComplete_sourceFailedActionFailed() {
1028	>	for (boolean createIncomplete : new boolean[] { true, false })
1029	>	for (ExecutionMode m : ExecutionMode.values())
1030	>	{
1031	>	final AtomicInteger a = new AtomicInteger(0);
1032	>	final CFException ex1 = new CFException();
1033	>	final CFException ex2 = new CFException();
1034	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1035	>
1036	>	if (!createIncomplete) f.completeExceptionally(ex1);
1037	>	final CompletableFuture<Integer> g = m.whenComplete
1038	>	(f,
1039	>	(Integer result, Throwable t) -> {
1040	>	m.checkExecutionMode();
1041	>	threadAssertSame(t, ex1);
1042	>	threadAssertNull(result);
1043	>	a.getAndIncrement();
1044	>	throw ex2;
1045	>	});
1046	>	if (createIncomplete) f.completeExceptionally(ex1);
1047	>
1048	>	checkCompletedWithWrappedException(g, ex1);
1049	>	checkCompletedExceptionally(f, ex1);
1050	>	if (testImplementationDetails) {
1051	>	assertEquals(1, ex1.getSuppressed().length);
1052	>	assertSame(ex2, ex1.getSuppressed()[0]);
1053	>	}
1054		assertEquals(1, a.get());
1055		}}
1056
#	Line 834 \| Line 1065 \| public class CompletableFutureTest exten
1065		{
1066		final CompletableFuture<Integer> f = new CompletableFuture<>();
1067		final AtomicInteger a = new AtomicInteger(0);
1068	<	if (!createIncomplete) f.complete(v1);
1068	>	if (!createIncomplete) assertTrue(f.complete(v1));
1069		final CompletableFuture<Integer> g = m.handle
1070		(f,
1071	<	(Integer x, Throwable t) -> {
1071	>	(Integer result, Throwable t) -> {
1072		m.checkExecutionMode();
1073	<	threadAssertSame(x, v1);
1073	>	threadAssertSame(result, v1);
1074		threadAssertNull(t);
1075		a.getAndIncrement();
1076		return inc(v1);
1077		});
1078	<	if (createIncomplete) f.complete(v1);
1078	>	if (createIncomplete) assertTrue(f.complete(v1));
1079
1080		checkCompletedNormally(g, inc(v1));
1081		checkCompletedNormally(f, v1);
#	Line 866 \| Line 1097 \| public class CompletableFutureTest exten
1097		if (!createIncomplete) f.completeExceptionally(ex);
1098		final CompletableFuture<Integer> g = m.handle
1099		(f,
1100	<	(Integer x, Throwable t) -> {
1100	>	(Integer result, Throwable t) -> {
1101		m.checkExecutionMode();
1102	<	threadAssertNull(x);
1102	>	threadAssertNull(result);
1103		threadAssertSame(t, ex);
1104		a.getAndIncrement();
1105		return v1;
#	Line 876 \| Line 1107 \| public class CompletableFutureTest exten
1107		if (createIncomplete) f.completeExceptionally(ex);
1108
1109		checkCompletedNormally(g, v1);
1110	<	checkCompletedWithWrappedCFException(f, ex);
1110	>	checkCompletedExceptionally(f, ex);
1111		assertEquals(1, a.get());
1112		}}
1113
#	Line 895 \| Line 1126 \| public class CompletableFutureTest exten
1126		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1127		final CompletableFuture<Integer> g = m.handle
1128		(f,
1129	<	(Integer x, Throwable t) -> {
1129	>	(Integer result, Throwable t) -> {
1130		m.checkExecutionMode();
1131	<	threadAssertNull(x);
1131	>	threadAssertNull(result);
1132		threadAssertTrue(t instanceof CancellationException);
1133		a.getAndIncrement();
1134		return v1;
#	Line 910 \| Line 1141 \| public class CompletableFutureTest exten
1141		}}
1142
1143		/**
1144	<	* handle result completes exceptionally if action does
1144	>	* If a "handle action" throws an exception when triggered by
1145	>	* a normal completion, it completes exceptionally
1146		*/
1147	<	public void testHandle_sourceFailedActionFailed() {
1147	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1148		for (ExecutionMode m : ExecutionMode.values())
1149		for (boolean createIncomplete : new boolean[] { true, false })
1150	+	for (Integer v1 : new Integer[] { 1, null })
1151		{
1152		final CompletableFuture<Integer> f = new CompletableFuture<>();
1153		final AtomicInteger a = new AtomicInteger(0);
1154	<	final CFException ex1 = new CFException();
1155	<	final CFException ex2 = new CFException();
923	<	if (!createIncomplete) f.completeExceptionally(ex1);
1154	>	final CFException ex = new CFException();
1155	>	if (!createIncomplete) assertTrue(f.complete(v1));
1156		final CompletableFuture<Integer> g = m.handle
1157		(f,
1158	<	(Integer x, Throwable t) -> {
1158	>	(Integer result, Throwable t) -> {
1159		m.checkExecutionMode();
1160	<	threadAssertNull(x);
1161	<	threadAssertSame(ex1, t);
1160	>	threadAssertSame(result, v1);
1161	>	threadAssertNull(t);
1162		a.getAndIncrement();
1163	<	throw ex2;
1163	>	throw ex;
1164		});
1165	<	if (createIncomplete) f.completeExceptionally(ex1);
1165	>	if (createIncomplete) assertTrue(f.complete(v1));
1166
1167	<	checkCompletedWithWrappedCFException(g, ex2);
1168	<	checkCompletedWithWrappedCFException(f, ex1);
1167	>	checkCompletedWithWrappedException(g, ex);
1168	>	checkCompletedNormally(f, v1);
1169		assertEquals(1, a.get());
1170		}}
1171
1172	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1173	<	for (ExecutionMode m : ExecutionMode.values())
1172	>	/**
1173	>	* If a "handle action" throws an exception when triggered by
1174	>	* a source completion that also throws an exception, the action
1175	>	* exception takes precedence (unlike whenComplete)
1176	>	*/
1177	>	public void testHandle_sourceFailedActionFailed() {
1178		for (boolean createIncomplete : new boolean[] { true, false })
1179	<	for (Integer v1 : new Integer[] { 1, null })
1179	>	for (ExecutionMode m : ExecutionMode.values())
1180		{
945	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1181		final AtomicInteger a = new AtomicInteger(0);
1182	<	final CFException ex = new CFException();
1183	<	if (!createIncomplete) f.complete(v1);
1182	>	final CFException ex1 = new CFException();
1183	>	final CFException ex2 = new CFException();
1184	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1185	>
1186	>	if (!createIncomplete) f.completeExceptionally(ex1);
1187		final CompletableFuture<Integer> g = m.handle
1188		(f,
1189	<	(Integer x, Throwable t) -> {
1189	>	(Integer result, Throwable t) -> {
1190		m.checkExecutionMode();
1191	<	threadAssertSame(x, v1);
1192	<	threadAssertNull(t);
1191	>	threadAssertNull(result);
1192	>	threadAssertSame(ex1, t);
1193		a.getAndIncrement();
1194	<	throw ex;
1194	>	throw ex2;
1195		});
1196	<	if (createIncomplete) f.complete(v1);
1196	>	if (createIncomplete) f.completeExceptionally(ex1);
1197
1198	<	checkCompletedWithWrappedCFException(g, ex);
1199	<	checkCompletedNormally(f, v1);
1198	>	checkCompletedWithWrappedException(g, ex2);
1199	>	checkCompletedExceptionally(f, ex1);
1200		assertEquals(1, a.get());
1201		}}
1202
#	Line 976 \| Line 1214 \| public class CompletableFutureTest exten
1214		final CompletableFuture<Void> f = m.runAsync(r);
1215		assertNull(f.join());
1216		checkCompletedNormally(f, null);
1217	<	assertEquals(1, r.invocationCount);
1217	>	r.assertInvoked();
1218		}}
1219
1220		/**
#	Line 991 \| Line 1229 \| public class CompletableFutureTest exten
1229		{
1230		final FailingRunnable r = new FailingRunnable(m);
1231		final CompletableFuture<Void> f = m.runAsync(r);
1232	<	checkCompletedWithWrappedCFException(f);
1233	<	assertEquals(1, r.invocationCount);
1232	>	checkCompletedWithWrappedException(f, r.ex);
1233	>	r.assertInvoked();
1234		}}
1235
1236		/**
1237		* supplyAsync completes with result of supplier
1238		*/
1239	<	public void testSupplyAsync() {
1240	<	CompletableFuture<Integer> f;
1241	<	f = CompletableFuture.supplyAsync(supplyOne);
1242	<	assertEquals(f.join(), one);
1243	<	checkCompletedNormally(f, one);
1244	<	}
1245	<
1246	<	/**
1247	<	* supplyAsync with executor completes with result of supplier
1248	<	*/
1249	<	public void testSupplyAsync2() {
1250	<	CompletableFuture<Integer> f;
1251	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1252	<	assertEquals(f.join(), one);
1015	<	checkCompletedNormally(f, one);
1016	<	}
1239	>	public void testSupplyAsync_normalCompletion() {
1240	>	ExecutionMode[] executionModes = {
1241	>	ExecutionMode.ASYNC,
1242	>	ExecutionMode.EXECUTOR,
1243	>	};
1244	>	for (ExecutionMode m : executionModes)
1245	>	for (Integer v1 : new Integer[] { 1, null })
1246	>	{
1247	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1248	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1249	>	assertSame(v1, f.join());
1250	>	checkCompletedNormally(f, v1);
1251	>	r.assertInvoked();
1252	>	}}
1253
1254		/**
1255		* Failing supplyAsync completes exceptionally
1256		*/
1257	<	public void testSupplyAsync3() {
1258	<	FailingSupplier r = new FailingSupplier(ExecutionMode.ASYNC);
1259	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1260	<	checkCompletedWithWrappedCFException(f);
1261	<	assertEquals(1, r.invocationCount);
1262	<	}
1257	>	public void testSupplyAsync_exceptionalCompletion() {
1258	>	ExecutionMode[] executionModes = {
1259	>	ExecutionMode.ASYNC,
1260	>	ExecutionMode.EXECUTOR,
1261	>	};
1262	>	for (ExecutionMode m : executionModes)
1263	>	{
1264	>	FailingSupplier r = new FailingSupplier(m);
1265	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1266	>	checkCompletedWithWrappedException(f, r.ex);
1267	>	r.assertInvoked();
1268	>	}}
1269
1270		// seq completion methods
1271
#	Line 1032 \| Line 1274 \| public class CompletableFutureTest exten
1274		*/
1275		public void testThenRun_normalCompletion() {
1276		for (ExecutionMode m : ExecutionMode.values())
1035	–	for (boolean createIncomplete : new boolean[] { true, false })
1277		for (Integer v1 : new Integer[] { 1, null })
1278		{
1279		final CompletableFuture<Integer> f = new CompletableFuture<>();
1280	<	final Noop r = new Noop(m);
1281	<	if (!createIncomplete) f.complete(v1);
1041	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1042	<	if (createIncomplete) {
1043	<	checkIncomplete(g);
1044	<	f.complete(v1);
1045	<	}
1280	>	final Noop[] rs = new Noop[6];
1281	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1282
1283	<	checkCompletedNormally(g, null);
1283	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1284	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1285	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1286	>	checkIncomplete(h0);
1287	>	checkIncomplete(h1);
1288	>	checkIncomplete(h2);
1289	>	assertTrue(f.complete(v1));
1290	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1291	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1292	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1293	>
1294	>	checkCompletedNormally(h0, null);
1295	>	checkCompletedNormally(h1, null);
1296	>	checkCompletedNormally(h2, null);
1297	>	checkCompletedNormally(h3, null);
1298	>	checkCompletedNormally(h4, null);
1299	>	checkCompletedNormally(h5, null);
1300		checkCompletedNormally(f, v1);
1301	<	assertEquals(1, r.invocationCount);
1301	>	for (Noop r : rs) r.assertInvoked();
1302		}}
1303
1304		/**
#	Line 1055 \| Line 1307 \| public class CompletableFutureTest exten
1307		*/
1308		public void testThenRun_exceptionalCompletion() {
1309		for (ExecutionMode m : ExecutionMode.values())
1058	–	for (boolean createIncomplete : new boolean[] { true, false })
1310		{
1311		final CFException ex = new CFException();
1312		final CompletableFuture<Integer> f = new CompletableFuture<>();
1313	<	final Noop r = new Noop(m);
1314	<	if (!createIncomplete) f.completeExceptionally(ex);
1064	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1065	<	if (createIncomplete) {
1066	<	checkIncomplete(g);
1067	<	f.completeExceptionally(ex);
1068	<	}
1313	>	final Noop[] rs = new Noop[6];
1314	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1315
1316	<	checkCompletedWithWrappedCFException(g, ex);
1317	<	checkCompletedWithWrappedCFException(f, ex);
1318	<	assertEquals(0, r.invocationCount);
1316	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1317	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1318	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1319	>	checkIncomplete(h0);
1320	>	checkIncomplete(h1);
1321	>	checkIncomplete(h2);
1322	>	assertTrue(f.completeExceptionally(ex));
1323	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1324	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1325	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1326	>
1327	>	checkCompletedWithWrappedException(h0, ex);
1328	>	checkCompletedWithWrappedException(h1, ex);
1329	>	checkCompletedWithWrappedException(h2, ex);
1330	>	checkCompletedWithWrappedException(h3, ex);
1331	>	checkCompletedWithWrappedException(h4, ex);
1332	>	checkCompletedWithWrappedException(h5, ex);
1333	>	checkCompletedExceptionally(f, ex);
1334	>	for (Noop r : rs) r.assertNotInvoked();
1335		}}
1336
1337		/**
#	Line 1077 \| Line 1339 \| public class CompletableFutureTest exten
1339		*/
1340		public void testThenRun_sourceCancelled() {
1341		for (ExecutionMode m : ExecutionMode.values())
1080	–	for (boolean createIncomplete : new boolean[] { true, false })
1342		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1343		{
1344		final CompletableFuture<Integer> f = new CompletableFuture<>();
1345	<	final Noop r = new Noop(m);
1346	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1086	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1087	<	if (createIncomplete) {
1088	<	checkIncomplete(g);
1089	<	assertTrue(f.cancel(mayInterruptIfRunning));
1090	<	}
1345	>	final Noop[] rs = new Noop[6];
1346	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1347
1348	<	checkCompletedWithWrappedCancellationException(g);
1348	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1349	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1350	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1351	>	checkIncomplete(h0);
1352	>	checkIncomplete(h1);
1353	>	checkIncomplete(h2);
1354	>	assertTrue(f.cancel(mayInterruptIfRunning));
1355	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1356	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1357	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1358	>
1359	>	checkCompletedWithWrappedCancellationException(h0);
1360	>	checkCompletedWithWrappedCancellationException(h1);
1361	>	checkCompletedWithWrappedCancellationException(h2);
1362	>	checkCompletedWithWrappedCancellationException(h3);
1363	>	checkCompletedWithWrappedCancellationException(h4);
1364	>	checkCompletedWithWrappedCancellationException(h5);
1365		checkCancelled(f);
1366	<	assertEquals(0, r.invocationCount);
1366	>	for (Noop r : rs) r.assertNotInvoked();
1367		}}
1368
1369		/**
#	Line 1099 \| Line 1371 \| public class CompletableFutureTest exten
1371		*/
1372		public void testThenRun_actionFailed() {
1373		for (ExecutionMode m : ExecutionMode.values())
1102	–	for (boolean createIncomplete : new boolean[] { true, false })
1374		for (Integer v1 : new Integer[] { 1, null })
1375		{
1376		final CompletableFuture<Integer> f = new CompletableFuture<>();
1377	<	final FailingRunnable r = new FailingRunnable(m);
1378	<	if (!createIncomplete) f.complete(v1);
1108	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1109	<	if (createIncomplete) {
1110	<	checkIncomplete(g);
1111	<	f.complete(v1);
1112	<	}
1377	>	final FailingRunnable[] rs = new FailingRunnable[6];
1378	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1379
1380	<	checkCompletedWithWrappedCFException(g);
1380	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1381	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1382	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1383	>	assertTrue(f.complete(v1));
1384	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1385	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1386	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1387	>
1388	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1389	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1390	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1391	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1392	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1393	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1394		checkCompletedNormally(f, v1);
1395		}}
1396
#	Line 1120 \| Line 1399 \| public class CompletableFutureTest exten
1399		*/
1400		public void testThenApply_normalCompletion() {
1401		for (ExecutionMode m : ExecutionMode.values())
1123	–	for (boolean createIncomplete : new boolean[] { true, false })
1402		for (Integer v1 : new Integer[] { 1, null })
1403		{
1404		final CompletableFuture<Integer> f = new CompletableFuture<>();
1405	<	final IncFunction r = new IncFunction(m);
1406	<	if (!createIncomplete) f.complete(v1);
1129	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1130	<	if (createIncomplete) {
1131	<	checkIncomplete(g);
1132	<	f.complete(v1);
1133	<	}
1405	>	final IncFunction[] rs = new IncFunction[4];
1406	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1407
1408	<	checkCompletedNormally(g, inc(v1));
1408	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1409	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1410	>	checkIncomplete(h0);
1411	>	checkIncomplete(h1);
1412	>	assertTrue(f.complete(v1));
1413	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1414	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1415	>
1416	>	checkCompletedNormally(h0, inc(v1));
1417	>	checkCompletedNormally(h1, inc(v1));
1418	>	checkCompletedNormally(h2, inc(v1));
1419	>	checkCompletedNormally(h3, inc(v1));
1420		checkCompletedNormally(f, v1);
1421	<	assertEquals(1, r.invocationCount);
1421	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1422		}}
1423
1424		/**
#	Line 1143 \| Line 1427 \| public class CompletableFutureTest exten
1427		*/
1428		public void testThenApply_exceptionalCompletion() {
1429		for (ExecutionMode m : ExecutionMode.values())
1146	–	for (boolean createIncomplete : new boolean[] { true, false })
1430		{
1431		final CFException ex = new CFException();
1432		final CompletableFuture<Integer> f = new CompletableFuture<>();
1433	<	final IncFunction r = new IncFunction(m);
1434	<	if (!createIncomplete) f.completeExceptionally(ex);
1152	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1153	<	if (createIncomplete) {
1154	<	checkIncomplete(g);
1155	<	f.completeExceptionally(ex);
1156	<	}
1433	>	final IncFunction[] rs = new IncFunction[4];
1434	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1435
1436	<	checkCompletedWithWrappedCFException(g, ex);
1437	<	checkCompletedWithWrappedCFException(f, ex);
1438	<	assertEquals(0, r.invocationCount);
1436	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1437	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1438	>	assertTrue(f.completeExceptionally(ex));
1439	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1440	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1441	>
1442	>	checkCompletedWithWrappedException(h0, ex);
1443	>	checkCompletedWithWrappedException(h1, ex);
1444	>	checkCompletedWithWrappedException(h2, ex);
1445	>	checkCompletedWithWrappedException(h3, ex);
1446	>	checkCompletedExceptionally(f, ex);
1447	>	for (IncFunction r : rs) r.assertNotInvoked();
1448		}}
1449
1450		/**
#	Line 1165 \| Line 1452 \| public class CompletableFutureTest exten
1452		*/
1453		public void testThenApply_sourceCancelled() {
1454		for (ExecutionMode m : ExecutionMode.values())
1168	–	for (boolean createIncomplete : new boolean[] { true, false })
1455		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1456		{
1457		final CompletableFuture<Integer> f = new CompletableFuture<>();
1458	<	final IncFunction r = new IncFunction(m);
1459	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1174	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1175	<	if (createIncomplete) {
1176	<	checkIncomplete(g);
1177	<	assertTrue(f.cancel(mayInterruptIfRunning));
1178	<	}
1458	>	final IncFunction[] rs = new IncFunction[4];
1459	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1460
1461	<	checkCompletedWithWrappedCancellationException(g);
1461	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1462	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1463	>	assertTrue(f.cancel(mayInterruptIfRunning));
1464	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1465	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1466	>
1467	>	checkCompletedWithWrappedCancellationException(h0);
1468	>	checkCompletedWithWrappedCancellationException(h1);
1469	>	checkCompletedWithWrappedCancellationException(h2);
1470	>	checkCompletedWithWrappedCancellationException(h3);
1471		checkCancelled(f);
1472	<	assertEquals(0, r.invocationCount);
1472	>	for (IncFunction r : rs) r.assertNotInvoked();
1473		}}
1474
1475		/**
#	Line 1187 \| Line 1477 \| public class CompletableFutureTest exten
1477		*/
1478		public void testThenApply_actionFailed() {
1479		for (ExecutionMode m : ExecutionMode.values())
1190	–	for (boolean createIncomplete : new boolean[] { true, false })
1480		for (Integer v1 : new Integer[] { 1, null })
1481		{
1482		final CompletableFuture<Integer> f = new CompletableFuture<>();
1483	<	final FailingFunction r = new FailingFunction(m);
1484	<	if (!createIncomplete) f.complete(v1);
1196	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1197	<	if (createIncomplete) {
1198	<	checkIncomplete(g);
1199	<	f.complete(v1);
1200	<	}
1483	>	final FailingFunction[] rs = new FailingFunction[4];
1484	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1485
1486	<	checkCompletedWithWrappedCFException(g);
1486	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1487	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1488	>	assertTrue(f.complete(v1));
1489	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1490	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1491	>
1492	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1493	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1494	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1495	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1496		checkCompletedNormally(f, v1);
1497		}}
1498
#	Line 1208 \| Line 1501 \| public class CompletableFutureTest exten
1501		*/
1502		public void testThenAccept_normalCompletion() {
1503		for (ExecutionMode m : ExecutionMode.values())
1211	–	for (boolean createIncomplete : new boolean[] { true, false })
1504		for (Integer v1 : new Integer[] { 1, null })
1505		{
1506		final CompletableFuture<Integer> f = new CompletableFuture<>();
1507	<	final IncAction r = new IncAction();
1508	<	if (!createIncomplete) f.complete(v1);
1217	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1218	<	if (createIncomplete) {
1219	<	checkIncomplete(g);
1220	<	f.complete(v1);
1221	<	}
1507	>	final NoopConsumer[] rs = new NoopConsumer[4];
1508	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1509
1510	<	checkCompletedNormally(g, null);
1510	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1511	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1512	>	checkIncomplete(h0);
1513	>	checkIncomplete(h1);
1514	>	assertTrue(f.complete(v1));
1515	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1516	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1517	>
1518	>	checkCompletedNormally(h0, null);
1519	>	checkCompletedNormally(h1, null);
1520	>	checkCompletedNormally(h2, null);
1521	>	checkCompletedNormally(h3, null);
1522		checkCompletedNormally(f, v1);
1523	<	assertEquals(1, r.invocationCount);
1226	<	assertEquals(inc(v1), r.value);
1523	>	for (NoopConsumer r : rs) r.assertValue(v1);
1524		}}
1525
1526		/**
#	Line 1232 \| Line 1529 \| public class CompletableFutureTest exten
1529		*/
1530		public void testThenAccept_exceptionalCompletion() {
1531		for (ExecutionMode m : ExecutionMode.values())
1235	–	for (boolean createIncomplete : new boolean[] { true, false })
1532		{
1533		final CFException ex = new CFException();
1534		final CompletableFuture<Integer> f = new CompletableFuture<>();
1535	<	final IncAction r = new IncAction();
1536	<	if (!createIncomplete) f.completeExceptionally(ex);
1241	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1242	<	if (createIncomplete) {
1243	<	checkIncomplete(g);
1244	<	f.completeExceptionally(ex);
1245	<	}
1535	>	final NoopConsumer[] rs = new NoopConsumer[4];
1536	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1537
1538	<	checkCompletedWithWrappedCFException(g, ex);
1539	<	checkCompletedWithWrappedCFException(f, ex);
1540	<	assertEquals(0, r.invocationCount);
1538	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1539	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1540	>	assertTrue(f.completeExceptionally(ex));
1541	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1542	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1543	>
1544	>	checkCompletedWithWrappedException(h0, ex);
1545	>	checkCompletedWithWrappedException(h1, ex);
1546	>	checkCompletedWithWrappedException(h2, ex);
1547	>	checkCompletedWithWrappedException(h3, ex);
1548	>	checkCompletedExceptionally(f, ex);
1549	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1550		}}
1551
1552		/**
1553	<	* thenAccept result completes exceptionally if action does
1553	>	* thenAccept result completes exceptionally if source cancelled
1554		*/
1555	<	public void testThenAccept_actionFailed() {
1555	>	public void testThenAccept_sourceCancelled() {
1556		for (ExecutionMode m : ExecutionMode.values())
1557	<	for (boolean createIncomplete : new boolean[] { true, false })
1258	<	for (Integer v1 : new Integer[] { 1, null })
1557	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1558		{
1559		final CompletableFuture<Integer> f = new CompletableFuture<>();
1560	<	final FailingConsumer r = new FailingConsumer(m);
1561	<	if (!createIncomplete) f.complete(v1);
1263	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1264	<	if (createIncomplete) {
1265	<	checkIncomplete(g);
1266	<	f.complete(v1);
1267	<	}
1560	>	final NoopConsumer[] rs = new NoopConsumer[4];
1561	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1562
1563	<	checkCompletedWithWrappedCFException(g);
1564	<	checkCompletedNormally(f, v1);
1563	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1564	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1565	>	assertTrue(f.cancel(mayInterruptIfRunning));
1566	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1567	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1568	>
1569	>	checkCompletedWithWrappedCancellationException(h0);
1570	>	checkCompletedWithWrappedCancellationException(h1);
1571	>	checkCompletedWithWrappedCancellationException(h2);
1572	>	checkCompletedWithWrappedCancellationException(h3);
1573	>	checkCancelled(f);
1574	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1575		}}
1576
1577		/**
1578	<	* thenAccept result completes exceptionally if source cancelled
1578	>	* thenAccept result completes exceptionally if action does
1579		*/
1580	<	public void testThenAccept_sourceCancelled() {
1580	>	public void testThenAccept_actionFailed() {
1581		for (ExecutionMode m : ExecutionMode.values())
1582	<	for (boolean createIncomplete : new boolean[] { true, false })
1279	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1582	>	for (Integer v1 : new Integer[] { 1, null })
1583		{
1584		final CompletableFuture<Integer> f = new CompletableFuture<>();
1585	<	final IncAction r = new IncAction();
1586	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1284	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1285	<	if (createIncomplete) {
1286	<	checkIncomplete(g);
1287	<	assertTrue(f.cancel(mayInterruptIfRunning));
1288	<	}
1585	>	final FailingConsumer[] rs = new FailingConsumer[4];
1586	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1587
1588	<	checkCompletedWithWrappedCancellationException(g);
1589	<	checkCancelled(f);
1590	<	assertEquals(0, r.invocationCount);
1588	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1589	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1590	>	assertTrue(f.complete(v1));
1591	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1592	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1593	>
1594	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1595	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1596	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1597	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1598	>	checkCompletedNormally(f, v1);
1599		}}
1600
1601		/**
#	Line 1298 \| Line 1604 \| public class CompletableFutureTest exten
1604		*/
1605		public void testThenCombine_normalCompletion() {
1606		for (ExecutionMode m : ExecutionMode.values())
1301	–	for (boolean createIncomplete : new boolean[] { true, false })
1607		for (boolean fFirst : new boolean[] { true, false })
1608		for (Integer v1 : new Integer[] { 1, null })
1609		for (Integer v2 : new Integer[] { 2, null })
1610		{
1611		final CompletableFuture<Integer> f = new CompletableFuture<>();
1612		final CompletableFuture<Integer> g = new CompletableFuture<>();
1613	<	final SubtractFunction r = new SubtractFunction(m);
1613	>	final SubtractFunction[] rs = new SubtractFunction[6];
1614	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1615
1616	<	if (fFirst) f.complete(v1); else g.complete(v2);
1617	<	if (!createIncomplete)
1618	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1619	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1620	<	if (createIncomplete) {
1621	<	checkIncomplete(h);
1622	<	assertEquals(0, r.invocationCount);
1623	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1624	<	}
1616	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1617	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1618	>	final Integer w1 = fFirst ? v1 : v2;
1619	>	final Integer w2 = !fFirst ? v1 : v2;
1620	>
1621	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1622	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1623	>	assertTrue(fst.complete(w1));
1624	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1625	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1626	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1627	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1628	>	checkCompletedNormally(h1, subtract(w1, w1));
1629	>	checkCompletedNormally(h3, subtract(w1, w1));
1630	>	rs[1].assertValue(subtract(w1, w1));
1631	>	rs[3].assertValue(subtract(w1, w1));
1632	>	assertTrue(snd.complete(w2));
1633	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1634	>
1635	>	checkCompletedNormally(h0, subtract(v1, v2));
1636	>	checkCompletedNormally(h2, subtract(v1, v2));
1637	>	checkCompletedNormally(h4, subtract(v1, v2));
1638	>	rs[0].assertValue(subtract(v1, v2));
1639	>	rs[2].assertValue(subtract(v1, v2));
1640	>	rs[4].assertValue(subtract(v1, v2));
1641
1320	–	checkCompletedNormally(h, subtract(v1, v2));
1642		checkCompletedNormally(f, v1);
1643		checkCompletedNormally(g, v2);
1323	–	assertEquals(1, r.invocationCount);
1644		}}
1645
1646		/**
1647		* thenCombine result completes exceptionally after exceptional
1648		* completion of either source
1649		*/
1650	<	public void testThenCombine_exceptionalCompletion() {
1650	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1651		for (ExecutionMode m : ExecutionMode.values())
1332	–	for (boolean createIncomplete : new boolean[] { true, false })
1652		for (boolean fFirst : new boolean[] { true, false })
1653	+	for (boolean failFirst : new boolean[] { true, false })
1654		for (Integer v1 : new Integer[] { 1, null })
1655		{
1656		final CompletableFuture<Integer> f = new CompletableFuture<>();
1657		final CompletableFuture<Integer> g = new CompletableFuture<>();
1658		final CFException ex = new CFException();
1659	<	final SubtractFunction r = new SubtractFunction(m);
1660	<
1661	<	(fFirst ? f : g).complete(v1);
1662	<	if (!createIncomplete)
1663	<	(!fFirst ? f : g).completeExceptionally(ex);
1664	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1665	<	if (createIncomplete) {
1666	<	checkIncomplete(h);
1667	<	(!fFirst ? f : g).completeExceptionally(ex);
1668	<	}
1669	<
1670	<	checkCompletedWithWrappedCFException(h, ex);
1671	<	assertEquals(0, r.invocationCount);
1672	<	checkCompletedNormally(fFirst ? f : g, v1);
1673	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1659	>	final SubtractFunction r1 = new SubtractFunction(m);
1660	>	final SubtractFunction r2 = new SubtractFunction(m);
1661	>	final SubtractFunction r3 = new SubtractFunction(m);
1662	>
1663	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1664	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1665	>	final Callable<Boolean> complete1 = failFirst ?
1666	>	() -> fst.completeExceptionally(ex) :
1667	>	() -> fst.complete(v1);
1668	>	final Callable<Boolean> complete2 = failFirst ?
1669	>	() -> snd.complete(v1) :
1670	>	() -> snd.completeExceptionally(ex);
1671	>
1672	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1673	>	assertTrue(complete1.call());
1674	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1675	>	checkIncomplete(h1);
1676	>	checkIncomplete(h2);
1677	>	assertTrue(complete2.call());
1678	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1679	>
1680	>	checkCompletedWithWrappedException(h1, ex);
1681	>	checkCompletedWithWrappedException(h2, ex);
1682	>	checkCompletedWithWrappedException(h3, ex);
1683	>	r1.assertNotInvoked();
1684	>	r2.assertNotInvoked();
1685	>	r3.assertNotInvoked();
1686	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1687	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1688		}}
1689
1690		/**
1691	<	* thenCombine result completes exceptionally if action does
1691	>	* thenCombine result completes exceptionally if either source cancelled
1692		*/
1693	<	public void testThenCombine_actionFailed() {
1693	>	public void testThenCombine_sourceCancelled() throws Throwable {
1694		for (ExecutionMode m : ExecutionMode.values())
1695	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1696		for (boolean fFirst : new boolean[] { true, false })
1697	+	for (boolean failFirst : new boolean[] { true, false })
1698		for (Integer v1 : new Integer[] { 1, null })
1363	–	for (Integer v2 : new Integer[] { 2, null })
1699		{
1700		final CompletableFuture<Integer> f = new CompletableFuture<>();
1701		final CompletableFuture<Integer> g = new CompletableFuture<>();
1702	<	final FailingBiFunction r = new FailingBiFunction(m);
1703	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1704	<
1705	<	if (fFirst) {
1706	<	f.complete(v1);
1707	<	g.complete(v2);
1708	<	} else {
1709	<	g.complete(v2);
1710	<	f.complete(v1);
1711	<	}
1712	<
1713	<	checkCompletedWithWrappedCFException(h);
1714	<	checkCompletedNormally(f, v1);
1715	<	checkCompletedNormally(g, v2);
1702	>	final SubtractFunction r1 = new SubtractFunction(m);
1703	>	final SubtractFunction r2 = new SubtractFunction(m);
1704	>	final SubtractFunction r3 = new SubtractFunction(m);
1705	>
1706	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1707	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1708	>	final Callable<Boolean> complete1 = failFirst ?
1709	>	() -> fst.cancel(mayInterruptIfRunning) :
1710	>	() -> fst.complete(v1);
1711	>	final Callable<Boolean> complete2 = failFirst ?
1712	>	() -> snd.complete(v1) :
1713	>	() -> snd.cancel(mayInterruptIfRunning);
1714	>
1715	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1716	>	assertTrue(complete1.call());
1717	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1718	>	checkIncomplete(h1);
1719	>	checkIncomplete(h2);
1720	>	assertTrue(complete2.call());
1721	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1722	>
1723	>	checkCompletedWithWrappedCancellationException(h1);
1724	>	checkCompletedWithWrappedCancellationException(h2);
1725	>	checkCompletedWithWrappedCancellationException(h3);
1726	>	r1.assertNotInvoked();
1727	>	r2.assertNotInvoked();
1728	>	r3.assertNotInvoked();
1729	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1730	>	checkCancelled(failFirst ? fst : snd);
1731		}}
1732
1733		/**
1734	<	* thenCombine result completes exceptionally if either source cancelled
1734	>	* thenCombine result completes exceptionally if action does
1735		*/
1736	<	public void testThenCombine_sourceCancelled() {
1736	>	public void testThenCombine_actionFailed() {
1737		for (ExecutionMode m : ExecutionMode.values())
1388	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1389	–	for (boolean createIncomplete : new boolean[] { true, false })
1738		for (boolean fFirst : new boolean[] { true, false })
1739		for (Integer v1 : new Integer[] { 1, null })
1740	+	for (Integer v2 : new Integer[] { 2, null })
1741		{
1742		final CompletableFuture<Integer> f = new CompletableFuture<>();
1743		final CompletableFuture<Integer> g = new CompletableFuture<>();
1744	<	final SubtractFunction r = new SubtractFunction(m);
1745	<
1746	<	(fFirst ? f : g).complete(v1);
1747	<	if (!createIncomplete)
1748	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1749	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1750	<	if (createIncomplete) {
1751	<	checkIncomplete(h);
1752	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1753	<	}
1754	<
1755	<	checkCompletedWithWrappedCancellationException(h);
1756	<	checkCancelled(!fFirst ? f : g);
1757	<	assertEquals(0, r.invocationCount);
1758	<	checkCompletedNormally(fFirst ? f : g, v1);
1744	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1745	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1746	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1747	>
1748	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1749	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1750	>	final Integer w1 = fFirst ? v1 : v2;
1751	>	final Integer w2 = !fFirst ? v1 : v2;
1752	>
1753	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1754	>	assertTrue(fst.complete(w1));
1755	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1756	>	assertTrue(snd.complete(w2));
1757	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1758	>
1759	>	checkCompletedWithWrappedException(h1, r1.ex);
1760	>	checkCompletedWithWrappedException(h2, r2.ex);
1761	>	checkCompletedWithWrappedException(h3, r3.ex);
1762	>	r1.assertInvoked();
1763	>	r2.assertInvoked();
1764	>	r3.assertInvoked();
1765	>	checkCompletedNormally(f, v1);
1766	>	checkCompletedNormally(g, v2);
1767		}}
1768
1769		/**
#	Line 1415 \| Line 1772 \| public class CompletableFutureTest exten
1772		*/
1773		public void testThenAcceptBoth_normalCompletion() {
1774		for (ExecutionMode m : ExecutionMode.values())
1418	–	for (boolean createIncomplete : new boolean[] { true, false })
1775		for (boolean fFirst : new boolean[] { true, false })
1776		for (Integer v1 : new Integer[] { 1, null })
1777		for (Integer v2 : new Integer[] { 2, null })
1778		{
1779		final CompletableFuture<Integer> f = new CompletableFuture<>();
1780		final CompletableFuture<Integer> g = new CompletableFuture<>();
1781	<	final SubtractAction r = new SubtractAction(m);
1782	<
1783	<	if (fFirst) f.complete(v1); else g.complete(v2);
1784	<	if (!createIncomplete)
1785	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1786	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1787	<	if (createIncomplete) {
1788	<	checkIncomplete(h);
1789	<	assertEquals(0, r.invocationCount);
1790	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1791	<	}
1792	<
1793	<	checkCompletedNormally(h, null);
1794	<	assertEquals(subtract(v1, v2), r.value);
1781	>	final SubtractAction r1 = new SubtractAction(m);
1782	>	final SubtractAction r2 = new SubtractAction(m);
1783	>	final SubtractAction r3 = new SubtractAction(m);
1784	>
1785	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1786	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1787	>	final Integer w1 = fFirst ? v1 : v2;
1788	>	final Integer w2 = !fFirst ? v1 : v2;
1789	>
1790	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1791	>	assertTrue(fst.complete(w1));
1792	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1793	>	checkIncomplete(h1);
1794	>	checkIncomplete(h2);
1795	>	r1.assertNotInvoked();
1796	>	r2.assertNotInvoked();
1797	>	assertTrue(snd.complete(w2));
1798	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1799	>
1800	>	checkCompletedNormally(h1, null);
1801	>	checkCompletedNormally(h2, null);
1802	>	checkCompletedNormally(h3, null);
1803	>	r1.assertValue(subtract(v1, v2));
1804	>	r2.assertValue(subtract(v1, v2));
1805	>	r3.assertValue(subtract(v1, v2));
1806		checkCompletedNormally(f, v1);
1807		checkCompletedNormally(g, v2);
1808		}}
#	Line 1444 \| Line 1811 \| public class CompletableFutureTest exten
1811		* thenAcceptBoth result completes exceptionally after exceptional
1812		* completion of either source
1813		*/
1814	<	public void testThenAcceptBoth_exceptionalCompletion() {
1814	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1815		for (ExecutionMode m : ExecutionMode.values())
1449	–	for (boolean createIncomplete : new boolean[] { true, false })
1816		for (boolean fFirst : new boolean[] { true, false })
1817	+	for (boolean failFirst : new boolean[] { true, false })
1818		for (Integer v1 : new Integer[] { 1, null })
1819		{
1820		final CompletableFuture<Integer> f = new CompletableFuture<>();
1821		final CompletableFuture<Integer> g = new CompletableFuture<>();
1822		final CFException ex = new CFException();
1823	<	final SubtractAction r = new SubtractAction(m);
1824	<
1825	<	(fFirst ? f : g).complete(v1);
1826	<	if (!createIncomplete)
1827	<	(!fFirst ? f : g).completeExceptionally(ex);
1828	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1829	<	if (createIncomplete) {
1830	<	checkIncomplete(h);
1831	<	(!fFirst ? f : g).completeExceptionally(ex);
1832	<	}
1833	<
1834	<	checkCompletedWithWrappedCFException(h, ex);
1835	<	assertEquals(0, r.invocationCount);
1836	<	checkCompletedNormally(fFirst ? f : g, v1);
1837	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1823	>	final SubtractAction r1 = new SubtractAction(m);
1824	>	final SubtractAction r2 = new SubtractAction(m);
1825	>	final SubtractAction r3 = new SubtractAction(m);
1826	>
1827	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1828	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1829	>	final Callable<Boolean> complete1 = failFirst ?
1830	>	() -> fst.completeExceptionally(ex) :
1831	>	() -> fst.complete(v1);
1832	>	final Callable<Boolean> complete2 = failFirst ?
1833	>	() -> snd.complete(v1) :
1834	>	() -> snd.completeExceptionally(ex);
1835	>
1836	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1837	>	assertTrue(complete1.call());
1838	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1839	>	checkIncomplete(h1);
1840	>	checkIncomplete(h2);
1841	>	assertTrue(complete2.call());
1842	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1843	>
1844	>	checkCompletedWithWrappedException(h1, ex);
1845	>	checkCompletedWithWrappedException(h2, ex);
1846	>	checkCompletedWithWrappedException(h3, ex);
1847	>	r1.assertNotInvoked();
1848	>	r2.assertNotInvoked();
1849	>	r3.assertNotInvoked();
1850	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1851	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1852		}}
1853
1854		/**
1855	<	* thenAcceptBoth result completes exceptionally if action does
1855	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1856		*/
1857	<	public void testThenAcceptBoth_actionFailed() {
1857	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1858		for (ExecutionMode m : ExecutionMode.values())
1859	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1860		for (boolean fFirst : new boolean[] { true, false })
1861	+	for (boolean failFirst : new boolean[] { true, false })
1862		for (Integer v1 : new Integer[] { 1, null })
1480	–	for (Integer v2 : new Integer[] { 2, null })
1863		{
1864		final CompletableFuture<Integer> f = new CompletableFuture<>();
1865		final CompletableFuture<Integer> g = new CompletableFuture<>();
1866	<	final FailingBiConsumer r = new FailingBiConsumer(m);
1867	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1868	<
1869	<	if (fFirst) {
1870	<	f.complete(v1);
1871	<	g.complete(v2);
1872	<	} else {
1873	<	g.complete(v2);
1874	<	f.complete(v1);
1875	<	}
1876	<
1877	<	checkCompletedWithWrappedCFException(h);
1878	<	checkCompletedNormally(f, v1);
1879	<	checkCompletedNormally(g, v2);
1866	>	final SubtractAction r1 = new SubtractAction(m);
1867	>	final SubtractAction r2 = new SubtractAction(m);
1868	>	final SubtractAction r3 = new SubtractAction(m);
1869	>
1870	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1871	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1872	>	final Callable<Boolean> complete1 = failFirst ?
1873	>	() -> fst.cancel(mayInterruptIfRunning) :
1874	>	() -> fst.complete(v1);
1875	>	final Callable<Boolean> complete2 = failFirst ?
1876	>	() -> snd.complete(v1) :
1877	>	() -> snd.cancel(mayInterruptIfRunning);
1878	>
1879	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1880	>	assertTrue(complete1.call());
1881	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1882	>	checkIncomplete(h1);
1883	>	checkIncomplete(h2);
1884	>	assertTrue(complete2.call());
1885	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1886	>
1887	>	checkCompletedWithWrappedCancellationException(h1);
1888	>	checkCompletedWithWrappedCancellationException(h2);
1889	>	checkCompletedWithWrappedCancellationException(h3);
1890	>	r1.assertNotInvoked();
1891	>	r2.assertNotInvoked();
1892	>	r3.assertNotInvoked();
1893	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1894	>	checkCancelled(failFirst ? fst : snd);
1895		}}
1896
1897		/**
1898	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1898	>	* thenAcceptBoth result completes exceptionally if action does
1899		*/
1900	<	public void testThenAcceptBoth_sourceCancelled() {
1900	>	public void testThenAcceptBoth_actionFailed() {
1901		for (ExecutionMode m : ExecutionMode.values())
1505	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1506	–	for (boolean createIncomplete : new boolean[] { true, false })
1902		for (boolean fFirst : new boolean[] { true, false })
1903		for (Integer v1 : new Integer[] { 1, null })
1904	+	for (Integer v2 : new Integer[] { 2, null })
1905		{
1906		final CompletableFuture<Integer> f = new CompletableFuture<>();
1907		final CompletableFuture<Integer> g = new CompletableFuture<>();
1908	<	final SubtractAction r = new SubtractAction(m);
1909	<
1910	<	(fFirst ? f : g).complete(v1);
1911	<	if (!createIncomplete)
1912	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1913	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1914	<	if (createIncomplete) {
1915	<	checkIncomplete(h);
1916	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1917	<	}
1918	<
1919	<	checkCompletedWithWrappedCancellationException(h);
1920	<	checkCancelled(!fFirst ? f : g);
1921	<	assertEquals(0, r.invocationCount);
1922	<	checkCompletedNormally(fFirst ? f : g, v1);
1908	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1909	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1910	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1911	>
1912	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1913	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1914	>	final Integer w1 = fFirst ? v1 : v2;
1915	>	final Integer w2 = !fFirst ? v1 : v2;
1916	>
1917	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1918	>	assertTrue(fst.complete(w1));
1919	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1920	>	assertTrue(snd.complete(w2));
1921	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1922	>
1923	>	checkCompletedWithWrappedException(h1, r1.ex);
1924	>	checkCompletedWithWrappedException(h2, r2.ex);
1925	>	checkCompletedWithWrappedException(h3, r3.ex);
1926	>	r1.assertInvoked();
1927	>	r2.assertInvoked();
1928	>	r3.assertInvoked();
1929	>	checkCompletedNormally(f, v1);
1930	>	checkCompletedNormally(g, v2);
1931		}}
1932
1933		/**
#	Line 1532 \| Line 1936 \| public class CompletableFutureTest exten
1936		*/
1937		public void testRunAfterBoth_normalCompletion() {
1938		for (ExecutionMode m : ExecutionMode.values())
1535	–	for (boolean createIncomplete : new boolean[] { true, false })
1939		for (boolean fFirst : new boolean[] { true, false })
1940		for (Integer v1 : new Integer[] { 1, null })
1941		for (Integer v2 : new Integer[] { 2, null })
1942		{
1943		final CompletableFuture<Integer> f = new CompletableFuture<>();
1944		final CompletableFuture<Integer> g = new CompletableFuture<>();
1945	<	final Noop r = new Noop(m);
1946	<
1947	<	if (fFirst) f.complete(v1); else g.complete(v2);
1948	<	if (!createIncomplete)
1949	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1950	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1951	<	if (createIncomplete) {
1952	<	checkIncomplete(h);
1953	<	assertEquals(0, r.invocationCount);
1954	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1955	<	}
1956	<
1957	<	checkCompletedNormally(h, null);
1958	<	assertEquals(1, r.invocationCount);
1945	>	final Noop r1 = new Noop(m);
1946	>	final Noop r2 = new Noop(m);
1947	>	final Noop r3 = new Noop(m);
1948	>
1949	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1950	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1951	>	final Integer w1 = fFirst ? v1 : v2;
1952	>	final Integer w2 = !fFirst ? v1 : v2;
1953	>
1954	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1955	>	assertTrue(fst.complete(w1));
1956	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1957	>	checkIncomplete(h1);
1958	>	checkIncomplete(h2);
1959	>	r1.assertNotInvoked();
1960	>	r2.assertNotInvoked();
1961	>	assertTrue(snd.complete(w2));
1962	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1963	>
1964	>	checkCompletedNormally(h1, null);
1965	>	checkCompletedNormally(h2, null);
1966	>	checkCompletedNormally(h3, null);
1967	>	r1.assertInvoked();
1968	>	r2.assertInvoked();
1969	>	r3.assertInvoked();
1970		checkCompletedNormally(f, v1);
1971		checkCompletedNormally(g, v2);
1972		}}
#	Line 1561 \| Line 1975 \| public class CompletableFutureTest exten
1975		* runAfterBoth result completes exceptionally after exceptional
1976		* completion of either source
1977		*/
1978	<	public void testRunAfterBoth_exceptionalCompletion() {
1978	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1979		for (ExecutionMode m : ExecutionMode.values())
1566	–	for (boolean createIncomplete : new boolean[] { true, false })
1980		for (boolean fFirst : new boolean[] { true, false })
1981	+	for (boolean failFirst : new boolean[] { true, false })
1982		for (Integer v1 : new Integer[] { 1, null })
1983		{
1984		final CompletableFuture<Integer> f = new CompletableFuture<>();
1985		final CompletableFuture<Integer> g = new CompletableFuture<>();
1986		final CFException ex = new CFException();
1987	<	final Noop r = new Noop(m);
1988	<
1989	<	(fFirst ? f : g).complete(v1);
1990	<	if (!createIncomplete)
1991	<	(!fFirst ? f : g).completeExceptionally(ex);
1992	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1993	<	if (createIncomplete) {
1994	<	checkIncomplete(h);
1995	<	(!fFirst ? f : g).completeExceptionally(ex);
1996	<	}
1997	<
1998	<	checkCompletedWithWrappedCFException(h, ex);
1999	<	assertEquals(0, r.invocationCount);
2000	<	checkCompletedNormally(fFirst ? f : g, v1);
2001	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
2002	<	}}
2003	<
2004	<	/**
2005	<	* runAfterBoth result completes exceptionally if action does
2006	<	*/
2007	<	public void testRunAfterBoth_actionFailed() {
2008	<	for (ExecutionMode m : ExecutionMode.values())
2009	<	for (boolean fFirst : new boolean[] { true, false })
2010	<	for (Integer v1 : new Integer[] { 1, null })
2011	<	for (Integer v2 : new Integer[] { 2, null })
2012	<	{
2013	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2014	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2015	<	final FailingRunnable r = new FailingRunnable(m);
1602	<
1603	<	CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r);
1604	<	if (fFirst) {
1605	<	f.complete(v1);
1606	<	g.complete(v2);
1607	<	} else {
1608	<	g.complete(v2);
1609	<	f.complete(v1);
1610	<	}
1611	<	CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r);
1612	<
1613	<	checkCompletedWithWrappedCFException(h1);
1614	<	checkCompletedWithWrappedCFException(h2);
1615	<	checkCompletedNormally(f, v1);
1616	<	checkCompletedNormally(g, v2);
1987	>	final Noop r1 = new Noop(m);
1988	>	final Noop r2 = new Noop(m);
1989	>	final Noop r3 = new Noop(m);
1990	>
1991	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
1992	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1993	>	final Callable<Boolean> complete1 = failFirst ?
1994	>	() -> fst.completeExceptionally(ex) :
1995	>	() -> fst.complete(v1);
1996	>	final Callable<Boolean> complete2 = failFirst ?
1997	>	() -> snd.complete(v1) :
1998	>	() -> snd.completeExceptionally(ex);
1999	>
2000	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2001	>	assertTrue(complete1.call());
2002	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2003	>	checkIncomplete(h1);
2004	>	checkIncomplete(h2);
2005	>	assertTrue(complete2.call());
2006	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2007	>
2008	>	checkCompletedWithWrappedException(h1, ex);
2009	>	checkCompletedWithWrappedException(h2, ex);
2010	>	checkCompletedWithWrappedException(h3, ex);
2011	>	r1.assertNotInvoked();
2012	>	r2.assertNotInvoked();
2013	>	r3.assertNotInvoked();
2014	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2015	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2016		}}
2017
2018		/**
2019		* runAfterBoth result completes exceptionally if either source cancelled
2020		*/
2021	<	public void testRunAfterBoth_sourceCancelled() {
2021	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2022		for (ExecutionMode m : ExecutionMode.values())
2023		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1625	–	for (boolean createIncomplete : new boolean[] { true, false })
2024		for (boolean fFirst : new boolean[] { true, false })
2025	+	for (boolean failFirst : new boolean[] { true, false })
2026		for (Integer v1 : new Integer[] { 1, null })
2027		{
2028		final CompletableFuture<Integer> f = new CompletableFuture<>();
2029		final CompletableFuture<Integer> g = new CompletableFuture<>();
2030	<	final Noop r = new Noop(m);
2031	<
2032	<
2033	<	(fFirst ? f : g).complete(v1);
2034	<	if (!createIncomplete)
2035	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2036	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2037	<	if (createIncomplete) {
2038	<	checkIncomplete(h);
2039	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2040	<	}
2041	<
2042	<	checkCompletedWithWrappedCancellationException(h);
2043	<	checkCancelled(!fFirst ? f : g);
2044	<	assertEquals(0, r.invocationCount);
2045	<	checkCompletedNormally(fFirst ? f : g, v1);
2030	>	final Noop r1 = new Noop(m);
2031	>	final Noop r2 = new Noop(m);
2032	>	final Noop r3 = new Noop(m);
2033	>
2034	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2035	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2036	>	final Callable<Boolean> complete1 = failFirst ?
2037	>	() -> fst.cancel(mayInterruptIfRunning) :
2038	>	() -> fst.complete(v1);
2039	>	final Callable<Boolean> complete2 = failFirst ?
2040	>	() -> snd.complete(v1) :
2041	>	() -> snd.cancel(mayInterruptIfRunning);
2042	>
2043	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2044	>	assertTrue(complete1.call());
2045	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2046	>	checkIncomplete(h1);
2047	>	checkIncomplete(h2);
2048	>	assertTrue(complete2.call());
2049	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2050	>
2051	>	checkCompletedWithWrappedCancellationException(h1);
2052	>	checkCompletedWithWrappedCancellationException(h2);
2053	>	checkCompletedWithWrappedCancellationException(h3);
2054	>	r1.assertNotInvoked();
2055	>	r2.assertNotInvoked();
2056	>	r3.assertNotInvoked();
2057	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2058	>	checkCancelled(failFirst ? fst : snd);
2059		}}
2060
2061		/**
2062	<	* applyToEither result completes normally after normal completion
1651	<	* of either source
2062	>	* runAfterBoth result completes exceptionally if action does
2063		*/
2064	<	public void testApplyToEither_normalCompletion() {
2064	>	public void testRunAfterBoth_actionFailed() {
2065		for (ExecutionMode m : ExecutionMode.values())
1655	–	for (boolean createIncomplete : new boolean[] { true, false })
2066		for (boolean fFirst : new boolean[] { true, false })
2067		for (Integer v1 : new Integer[] { 1, null })
2068		for (Integer v2 : new Integer[] { 2, null })
2069		{
2070		final CompletableFuture<Integer> f = new CompletableFuture<>();
2071		final CompletableFuture<Integer> g = new CompletableFuture<>();
2072	<	final IncFunction r = new IncFunction(m);
2073	<
2074	<	if (!createIncomplete)
2075	<	if (fFirst) f.complete(v1); else g.complete(v2);
2076	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2077	<	if (createIncomplete) {
2078	<	checkIncomplete(h);
2079	<	assertEquals(0, r.invocationCount);
2080	<	if (fFirst) f.complete(v1); else g.complete(v2);
2081	<	}
2082	<	checkCompletedNormally(h, inc(fFirst ? v1 : v2));
2083	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2084	<
2072	>	final FailingRunnable r1 = new FailingRunnable(m);
2073	>	final FailingRunnable r2 = new FailingRunnable(m);
2074	>	final FailingRunnable r3 = new FailingRunnable(m);
2075	>
2076	>	final CompletableFuture<Integer> fst = fFirst ? f : g;
2077	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2078	>	final Integer w1 = fFirst ? v1 : v2;
2079	>	final Integer w2 = !fFirst ? v1 : v2;
2080	>
2081	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2082	>	assertTrue(fst.complete(w1));
2083	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2084	>	assertTrue(snd.complete(w2));
2085	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2086	>
2087	>	checkCompletedWithWrappedException(h1, r1.ex);
2088	>	checkCompletedWithWrappedException(h2, r2.ex);
2089	>	checkCompletedWithWrappedException(h3, r3.ex);
2090	>	r1.assertInvoked();
2091	>	r2.assertInvoked();
2092	>	r3.assertInvoked();
2093		checkCompletedNormally(f, v1);
2094		checkCompletedNormally(g, v2);
1677	–	checkCompletedNormally(h, inc(fFirst ? v1 : v2));
2095		}}
2096
2097	<	public void testApplyToEither_normalCompletionBothAvailable() {
2097	>	/**
2098	>	* applyToEither result completes normally after normal completion
2099	>	* of either source
2100	>	*/
2101	>	public void testApplyToEither_normalCompletion() {
2102		for (ExecutionMode m : ExecutionMode.values())
1682	–	for (boolean fFirst : new boolean[] { true, false })
2103		for (Integer v1 : new Integer[] { 1, null })
2104		for (Integer v2 : new Integer[] { 2, null })
2105		{
2106		final CompletableFuture<Integer> f = new CompletableFuture<>();
2107		final CompletableFuture<Integer> g = new CompletableFuture<>();
2108	<	final IncFunction r = new IncFunction(m);
2108	>	final IncFunction[] rs = new IncFunction[6];
2109	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2110
2111	<	if (fFirst) {
2112	<	f.complete(v1);
2113	<	g.complete(v2);
2114	<	} else {
2115	<	g.complete(v2);
2116	<	f.complete(v1);
2117	<	}
2111	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2112	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2113	>	checkIncomplete(h0);
2114	>	checkIncomplete(h1);
2115	>	rs[0].assertNotInvoked();
2116	>	rs[1].assertNotInvoked();
2117	>	f.complete(v1);
2118	>	checkCompletedNormally(h0, inc(v1));
2119	>	checkCompletedNormally(h1, inc(v1));
2120	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2121	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2122	>	checkCompletedNormally(h2, inc(v1));
2123	>	checkCompletedNormally(h3, inc(v1));
2124	>	g.complete(v2);
2125
2126	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2126	>	// unspecified behavior - both source completions available
2127	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2128	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2129	>	rs[4].assertValue(h4.join());
2130	>	rs[5].assertValue(h5.join());
2131	>	assertTrue(Objects.equals(inc(v1), h4.join()) \|\|
2132	>	Objects.equals(inc(v2), h4.join()));
2133	>	assertTrue(Objects.equals(inc(v1), h5.join()) \|\|
2134	>	Objects.equals(inc(v2), h5.join()));
2135
2136		checkCompletedNormally(f, v1);
2137		checkCompletedNormally(g, v2);
2138	<
2139	<	// unspecified behavior
2140	<	assertTrue(Objects.equals(h.join(), inc(v1)) \|\|
2141	<	Objects.equals(h.join(), inc(v2)));
2142	<	assertEquals(1, r.invocationCount);
2138	>	checkCompletedNormally(h0, inc(v1));
2139	>	checkCompletedNormally(h1, inc(v1));
2140	>	checkCompletedNormally(h2, inc(v1));
2141	>	checkCompletedNormally(h3, inc(v1));
2142	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2143		}}
2144
2145		/**
2146		* applyToEither result completes exceptionally after exceptional
2147		* completion of either source
2148		*/
2149	<	public void testApplyToEither_exceptionalCompletion1() {
2149	>	public void testApplyToEither_exceptionalCompletion() {
2150		for (ExecutionMode m : ExecutionMode.values())
1715	–	for (boolean createIncomplete : new boolean[] { true, false })
1716	–	for (boolean fFirst : new boolean[] { true, false })
2151		for (Integer v1 : new Integer[] { 1, null })
2152		{
2153		final CompletableFuture<Integer> f = new CompletableFuture<>();
2154		final CompletableFuture<Integer> g = new CompletableFuture<>();
2155		final CFException ex = new CFException();
2156	<	final IncFunction r = new IncFunction(m);
2156	>	final IncFunction[] rs = new IncFunction[6];
2157	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2158
2159	<	if (!createIncomplete) (fFirst ? f : g).completeExceptionally(ex);
2160	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2161	<	if (createIncomplete) {
2162	<	checkIncomplete(h);
2163	<	assertEquals(0, r.invocationCount);
2164	<	(fFirst ? f : g).completeExceptionally(ex);
2159	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2160	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2161	>	checkIncomplete(h0);
2162	>	checkIncomplete(h1);
2163	>	rs[0].assertNotInvoked();
2164	>	rs[1].assertNotInvoked();
2165	>	f.completeExceptionally(ex);
2166	>	checkCompletedWithWrappedException(h0, ex);
2167	>	checkCompletedWithWrappedException(h1, ex);
2168	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2169	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2170	>	checkCompletedWithWrappedException(h2, ex);
2171	>	checkCompletedWithWrappedException(h3, ex);
2172	>	g.complete(v1);
2173	>
2174	>	// unspecified behavior - both source completions available
2175	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2176	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2177	>	try {
2178	>	assertEquals(inc(v1), h4.join());
2179	>	rs[4].assertValue(inc(v1));
2180	>	} catch (CompletionException ok) {
2181	>	checkCompletedWithWrappedException(h4, ex);
2182	>	rs[4].assertNotInvoked();
2183	>	}
2184	>	try {
2185	>	assertEquals(inc(v1), h5.join());
2186	>	rs[5].assertValue(inc(v1));
2187	>	} catch (CompletionException ok) {
2188	>	checkCompletedWithWrappedException(h5, ex);
2189	>	rs[5].assertNotInvoked();
2190		}
2191
2192	<	checkCompletedWithWrappedCFException(h, ex);
2193	<	(!fFirst ? f : g).complete(v1);
2194	<
2195	<	assertEquals(0, r.invocationCount);
2196	<	checkCompletedNormally(!fFirst ? f : g, v1);
2197	<	checkCompletedWithWrappedCFException(fFirst ? f : g, ex);
2198	<	checkCompletedWithWrappedCFException(h, ex);
2192	>	checkCompletedExceptionally(f, ex);
2193	>	checkCompletedNormally(g, v1);
2194	>	checkCompletedWithWrappedException(h0, ex);
2195	>	checkCompletedWithWrappedException(h1, ex);
2196	>	checkCompletedWithWrappedException(h2, ex);
2197	>	checkCompletedWithWrappedException(h3, ex);
2198	>	checkCompletedWithWrappedException(h4, ex);
2199	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2200		}}
2201
2202		public void testApplyToEither_exceptionalCompletion2() {
2203		for (ExecutionMode m : ExecutionMode.values())
1743	–	for (boolean reverseArgs : new boolean[] { true, false })
2204		for (boolean fFirst : new boolean[] { true, false })
2205		for (Integer v1 : new Integer[] { 1, null })
2206		{
2207		final CompletableFuture<Integer> f = new CompletableFuture<>();
2208		final CompletableFuture<Integer> g = new CompletableFuture<>();
1749	–	final IncFunction r1 = new IncFunction(m);
1750	–	final IncFunction r2 = new IncFunction(m);
2209		final CFException ex = new CFException();
2210	<	final CompletableFuture<Integer> j = (reverseArgs ? g : f);
2211	<	final CompletableFuture<Integer> k = (reverseArgs ? f : g);
2212	<	final CompletableFuture<Integer> h1 = m.applyToEither(j, k, r1);
2213	<	if (fFirst) {
2214	<	f.complete(v1);
2215	<	g.completeExceptionally(ex);
2216	<	} else {
2217	<	g.completeExceptionally(ex);
2218	<	f.complete(v1);
1761	<	}
1762	<	final CompletableFuture<Integer> h2 = m.applyToEither(j, k, r2);
2210	>	final IncFunction[] rs = new IncFunction[6];
2211	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2212	>
2213	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2214	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2215	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2216	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2217	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2218	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2219
2220	<	// unspecified behavior
2220	>	// unspecified behavior - both source completions available
2221	>	try {
2222	>	assertEquals(inc(v1), h0.join());
2223	>	rs[0].assertValue(inc(v1));
2224	>	} catch (CompletionException ok) {
2225	>	checkCompletedWithWrappedException(h0, ex);
2226	>	rs[0].assertNotInvoked();
2227	>	}
2228		try {
2229		assertEquals(inc(v1), h1.join());
2230	<	assertEquals(1, r1.invocationCount);
2230	>	rs[1].assertValue(inc(v1));
2231		} catch (CompletionException ok) {
2232	<	checkCompletedWithWrappedCFException(h1, ex);
2233	<	assertEquals(0, r1.invocationCount);
2232	>	checkCompletedWithWrappedException(h1, ex);
2233	>	rs[1].assertNotInvoked();
2234		}
1772	–
2235		try {
2236		assertEquals(inc(v1), h2.join());
2237	<	assertEquals(1, r2.invocationCount);
2237	>	rs[2].assertValue(inc(v1));
2238		} catch (CompletionException ok) {
2239	<	checkCompletedWithWrappedCFException(h2, ex);
2240	<	assertEquals(0, r2.invocationCount);
2239	>	checkCompletedWithWrappedException(h2, ex);
2240	>	rs[2].assertNotInvoked();
2241	>	}
2242	>	try {
2243	>	assertEquals(inc(v1), h3.join());
2244	>	rs[3].assertValue(inc(v1));
2245	>	} catch (CompletionException ok) {
2246	>	checkCompletedWithWrappedException(h3, ex);
2247	>	rs[3].assertNotInvoked();
2248		}
2249
1781	–	checkCompletedWithWrappedCFException(g, ex);
1782	–	checkCompletedNormally(f, v1);
1783	–	}}
1784	–
1785	–	/**
1786	–	* applyToEither result completes exceptionally if action does
1787	–	*/
1788	–	public void testApplyToEither_actionFailed1() {
1789	–	for (ExecutionMode m : ExecutionMode.values())
1790	–	for (Integer v1 : new Integer[] { 1, null })
1791	–	for (Integer v2 : new Integer[] { 2, null })
1792	–	{
1793	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1794	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1795	–	final FailingFunction r = new FailingFunction(m);
1796	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1797	–
1798	–	f.complete(v1);
1799	–	checkCompletedWithWrappedCFException(h);
1800	–	g.complete(v2);
1801	–	checkCompletedNormally(f, v1);
1802	–	checkCompletedNormally(g, v2);
1803	–	}}
1804	–
1805	–	public void testApplyToEither_actionFailed2() {
1806	–	for (ExecutionMode m : ExecutionMode.values())
1807	–	for (Integer v1 : new Integer[] { 1, null })
1808	–	for (Integer v2 : new Integer[] { 2, null })
1809	–	{
1810	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1811	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1812	–	final FailingFunction r = new FailingFunction(m);
1813	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1814	–
1815	–	g.complete(v2);
1816	–	checkCompletedWithWrappedCFException(h);
1817	–	f.complete(v1);
2250		checkCompletedNormally(f, v1);
2251	<	checkCompletedNormally(g, v2);
2251	>	checkCompletedExceptionally(g, ex);
2252		}}
2253
2254		/**
2255		* applyToEither result completes exceptionally if either source cancelled
2256		*/
2257	<	public void testApplyToEither_sourceCancelled1() {
2257	>	public void testApplyToEither_sourceCancelled() {
2258		for (ExecutionMode m : ExecutionMode.values())
2259		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1828	–	for (boolean createIncomplete : new boolean[] { true, false })
1829	–	for (boolean fFirst : new boolean[] { true, false })
2260		for (Integer v1 : new Integer[] { 1, null })
2261		{
2262		final CompletableFuture<Integer> f = new CompletableFuture<>();
2263		final CompletableFuture<Integer> g = new CompletableFuture<>();
2264	<	final IncFunction r = new IncFunction(m);
2264	>	final IncFunction[] rs = new IncFunction[6];
2265	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2266
2267	<	if (!createIncomplete) assertTrue((fFirst ? f : g).cancel(mayInterruptIfRunning));
2268	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2269	<	if (createIncomplete) {
2270	<	checkIncomplete(h);
2271	<	assertEquals(0, r.invocationCount);
2272	<	assertTrue((fFirst ? f : g).cancel(mayInterruptIfRunning));
2267	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2268	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2269	>	checkIncomplete(h0);
2270	>	checkIncomplete(h1);
2271	>	rs[0].assertNotInvoked();
2272	>	rs[1].assertNotInvoked();
2273	>	f.cancel(mayInterruptIfRunning);
2274	>	checkCompletedWithWrappedCancellationException(h0);
2275	>	checkCompletedWithWrappedCancellationException(h1);
2276	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2277	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2278	>	checkCompletedWithWrappedCancellationException(h2);
2279	>	checkCompletedWithWrappedCancellationException(h3);
2280	>	g.complete(v1);
2281	>
2282	>	// unspecified behavior - both source completions available
2283	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2284	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2285	>	try {
2286	>	assertEquals(inc(v1), h4.join());
2287	>	rs[4].assertValue(inc(v1));
2288	>	} catch (CompletionException ok) {
2289	>	checkCompletedWithWrappedCancellationException(h4);
2290	>	rs[4].assertNotInvoked();
2291	>	}
2292	>	try {
2293	>	assertEquals(inc(v1), h5.join());
2294	>	rs[5].assertValue(inc(v1));
2295	>	} catch (CompletionException ok) {
2296	>	checkCompletedWithWrappedCancellationException(h5);
2297	>	rs[5].assertNotInvoked();
2298		}
2299
2300	<	checkCompletedWithWrappedCancellationException(h);
2301	<	(!fFirst ? f : g).complete(v1);
2302	<
2303	<	assertEquals(0, r.invocationCount);
2304	<	checkCompletedNormally(!fFirst ? f : g, v1);
2305	<	checkCancelled(fFirst ? f : g);
2306	<	checkCompletedWithWrappedCancellationException(h);
2300	>	checkCancelled(f);
2301	>	checkCompletedNormally(g, v1);
2302	>	checkCompletedWithWrappedCancellationException(h0);
2303	>	checkCompletedWithWrappedCancellationException(h1);
2304	>	checkCompletedWithWrappedCancellationException(h2);
2305	>	checkCompletedWithWrappedCancellationException(h3);
2306	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2307		}}
2308
2309		public void testApplyToEither_sourceCancelled2() {
2310		for (ExecutionMode m : ExecutionMode.values())
2311		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1856	–	for (boolean reverseArgs : new boolean[] { true, false })
2312		for (boolean fFirst : new boolean[] { true, false })
2313		for (Integer v1 : new Integer[] { 1, null })
2314		{
2315		final CompletableFuture<Integer> f = new CompletableFuture<>();
2316		final CompletableFuture<Integer> g = new CompletableFuture<>();
2317	<	final IncFunction r1 = new IncFunction(m);
2318	<	final IncFunction r2 = new IncFunction(m);
1864	<	final CFException ex = new CFException();
1865	<	final CompletableFuture<Integer> j = (reverseArgs ? g : f);
1866	<	final CompletableFuture<Integer> k = (reverseArgs ? f : g);
2317	>	final IncFunction[] rs = new IncFunction[6];
2318	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2319
2320	<	final CompletableFuture<Integer> h1 = m.applyToEither(j, k, r1);
2321	<	if (fFirst) {
2322	<	f.complete(v1);
2323	<	assertTrue(g.cancel(mayInterruptIfRunning));
2324	<	} else {
2325	<	assertTrue(g.cancel(mayInterruptIfRunning));
1874	<	f.complete(v1);
1875	<	}
1876	<	final CompletableFuture<Integer> h2 = m.applyToEither(j, k, r2);
2320	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2321	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2322	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2323	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2324	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2325	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2326
2327	<	// unspecified behavior
2327	>	// unspecified behavior - both source completions available
2328	>	try {
2329	>	assertEquals(inc(v1), h0.join());
2330	>	rs[0].assertValue(inc(v1));
2331	>	} catch (CompletionException ok) {
2332	>	checkCompletedWithWrappedCancellationException(h0);
2333	>	rs[0].assertNotInvoked();
2334	>	}
2335		try {
2336		assertEquals(inc(v1), h1.join());
2337	<	assertEquals(1, r1.invocationCount);
2337	>	rs[1].assertValue(inc(v1));
2338		} catch (CompletionException ok) {
2339		checkCompletedWithWrappedCancellationException(h1);
2340	<	assertEquals(0, r1.invocationCount);
2340	>	rs[1].assertNotInvoked();
2341		}
1886	–
2342		try {
2343		assertEquals(inc(v1), h2.join());
2344	<	assertEquals(1, r2.invocationCount);
2344	>	rs[2].assertValue(inc(v1));
2345		} catch (CompletionException ok) {
2346		checkCompletedWithWrappedCancellationException(h2);
2347	<	assertEquals(0, r2.invocationCount);
2347	>	rs[2].assertNotInvoked();
2348	>	}
2349	>	try {
2350	>	assertEquals(inc(v1), h3.join());
2351	>	rs[3].assertValue(inc(v1));
2352	>	} catch (CompletionException ok) {
2353	>	checkCompletedWithWrappedCancellationException(h3);
2354	>	rs[3].assertNotInvoked();
2355		}
2356
1895	–	checkCancelled(g);
2357		checkCompletedNormally(f, v1);
2358	+	checkCancelled(g);
2359		}}
2360
2361		/**
2362	<	* acceptEither result completes normally after normal completion
1901	<	* of either source
2362	>	* applyToEither result completes exceptionally if action does
2363		*/
2364	<	public void testAcceptEither_normalCompletion1() {
2364	>	public void testApplyToEither_actionFailed() {
2365		for (ExecutionMode m : ExecutionMode.values())
2366		for (Integer v1 : new Integer[] { 1, null })
2367		for (Integer v2 : new Integer[] { 2, null })
2368		{
2369		final CompletableFuture<Integer> f = new CompletableFuture<>();
2370		final CompletableFuture<Integer> g = new CompletableFuture<>();
2371	<	final IncAction r = new IncAction();
2372	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2371	>	final FailingFunction[] rs = new FailingFunction[6];
2372	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2373
2374	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2375	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2376		f.complete(v1);
2377	<	checkCompletedNormally(h, null);
2378	<	assertEquals(inc(v1), r.value);
2379	<	g.complete(v2);
2380	<
2381	<	checkCompletedNormally(f, v1);
2382	<	checkCompletedNormally(g, v2);
2383	<	checkCompletedNormally(h, null);
1921	<	}}
1922	<
1923	<	public void testAcceptEither_normalCompletion2() {
1924	<	for (ExecutionMode m : ExecutionMode.values())
1925	<	for (Integer v1 : new Integer[] { 1, null })
1926	<	for (Integer v2 : new Integer[] { 2, null })
1927	<	{
1928	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1929	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1930	<	final IncAction r = new IncAction();
1931	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2377	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2378	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2379	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2380	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2381	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2382	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2383	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2384
2385		g.complete(v2);
2386	<	checkCompletedNormally(h, null);
2387	<	assertEquals(inc(v2), r.value);
2388	<	f.complete(v1);
2386	>
2387	>	// unspecified behavior - both source completions available
2388	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2389	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2390	>
2391	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2392	>	assertTrue(Objects.equals(v1, rs[4].value) \|\|
2393	>	Objects.equals(v2, rs[4].value));
2394	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2395	>	assertTrue(Objects.equals(v1, rs[5].value) \|\|
2396	>	Objects.equals(v2, rs[5].value));
2397
2398		checkCompletedNormally(f, v1);
2399		checkCompletedNormally(g, v2);
1940	–	checkCompletedNormally(h, null);
2400		}}
2401
2402	<	public void testAcceptEither_normalCompletion3() {
2402	>	/**
2403	>	* acceptEither result completes normally after normal completion
2404	>	* of either source
2405	>	*/
2406	>	public void testAcceptEither_normalCompletion() {
2407		for (ExecutionMode m : ExecutionMode.values())
2408		for (Integer v1 : new Integer[] { 1, null })
2409		for (Integer v2 : new Integer[] { 2, null })
2410		{
2411		final CompletableFuture<Integer> f = new CompletableFuture<>();
2412		final CompletableFuture<Integer> g = new CompletableFuture<>();
2413	<	final IncAction r = new IncAction();
2413	>	final NoopConsumer[] rs = new NoopConsumer[6];
2414	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2415
2416	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2417	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2418	+	checkIncomplete(h0);
2419	+	checkIncomplete(h1);
2420	+	rs[0].assertNotInvoked();
2421	+	rs[1].assertNotInvoked();
2422		f.complete(v1);
2423	+	checkCompletedNormally(h0, null);
2424	+	checkCompletedNormally(h1, null);
2425	+	rs[0].assertValue(v1);
2426	+	rs[1].assertValue(v1);
2427	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2428	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2429	+	checkCompletedNormally(h2, null);
2430	+	checkCompletedNormally(h3, null);
2431	+	rs[2].assertValue(v1);
2432	+	rs[3].assertValue(v1);
2433		g.complete(v2);
1954	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2434
2435	<	checkCompletedNormally(h, null);
2435	>	// unspecified behavior - both source completions available
2436	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2437	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2438	>	checkCompletedNormally(h4, null);
2439	>	checkCompletedNormally(h5, null);
2440	>	assertTrue(Objects.equals(v1, rs[4].value) \|\|
2441	>	Objects.equals(v2, rs[4].value));
2442	>	assertTrue(Objects.equals(v1, rs[5].value) \|\|
2443	>	Objects.equals(v2, rs[5].value));
2444	>
2445		checkCompletedNormally(f, v1);
2446		checkCompletedNormally(g, v2);
2447	<
2448	<	// unspecified behavior
2449	<	assertTrue(Objects.equals(r.value, inc(v1)) \|\|
2450	<	Objects.equals(r.value, inc(v2)));
2447	>	checkCompletedNormally(h0, null);
2448	>	checkCompletedNormally(h1, null);
2449	>	checkCompletedNormally(h2, null);
2450	>	checkCompletedNormally(h3, null);
2451	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2452		}}
2453
2454		/**
2455		* acceptEither result completes exceptionally after exceptional
2456		* completion of either source
2457		*/
2458	<	public void testAcceptEither_exceptionalCompletion1() {
2458	>	public void testAcceptEither_exceptionalCompletion() {
2459		for (ExecutionMode m : ExecutionMode.values())
2460		for (Integer v1 : new Integer[] { 1, null })
2461		{
2462		final CompletableFuture<Integer> f = new CompletableFuture<>();
2463		final CompletableFuture<Integer> g = new CompletableFuture<>();
1975	–	final IncAction r = new IncAction();
1976	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2464		final CFException ex = new CFException();
2465	+	final NoopConsumer[] rs = new NoopConsumer[6];
2466	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2467
2468	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2469	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2470	+	checkIncomplete(h0);
2471	+	checkIncomplete(h1);
2472	+	rs[0].assertNotInvoked();
2473	+	rs[1].assertNotInvoked();
2474		f.completeExceptionally(ex);
2475	<	checkCompletedWithWrappedCFException(h, ex);
2475	>	checkCompletedWithWrappedException(h0, ex);
2476	>	checkCompletedWithWrappedException(h1, ex);
2477	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2478	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2479	>	checkCompletedWithWrappedException(h2, ex);
2480	>	checkCompletedWithWrappedException(h3, ex);
2481	>
2482		g.complete(v1);
2483
2484	<	assertEquals(0, r.invocationCount);
2484	>	// unspecified behavior - both source completions available
2485	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2486	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2487	>	try {
2488	>	assertNull(h4.join());
2489	>	rs[4].assertValue(v1);
2490	>	} catch (CompletionException ok) {
2491	>	checkCompletedWithWrappedException(h4, ex);
2492	>	rs[4].assertNotInvoked();
2493	>	}
2494	>	try {
2495	>	assertNull(h5.join());
2496	>	rs[5].assertValue(v1);
2497	>	} catch (CompletionException ok) {
2498	>	checkCompletedWithWrappedException(h5, ex);
2499	>	rs[5].assertNotInvoked();
2500	>	}
2501	>
2502	>	checkCompletedExceptionally(f, ex);
2503		checkCompletedNormally(g, v1);
2504	<	checkCompletedWithWrappedCFException(f, ex);
2505	<	checkCompletedWithWrappedCFException(h, ex);
2504	>	checkCompletedWithWrappedException(h0, ex);
2505	>	checkCompletedWithWrappedException(h1, ex);
2506	>	checkCompletedWithWrappedException(h2, ex);
2507	>	checkCompletedWithWrappedException(h3, ex);
2508	>	checkCompletedWithWrappedException(h4, ex);
2509	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2510		}}
2511
2512		public void testAcceptEither_exceptionalCompletion2() {
2513		for (ExecutionMode m : ExecutionMode.values())
2514	+	for (boolean fFirst : new boolean[] { true, false })
2515		for (Integer v1 : new Integer[] { 1, null })
2516		{
2517		final CompletableFuture<Integer> f = new CompletableFuture<>();
2518		final CompletableFuture<Integer> g = new CompletableFuture<>();
1995	–	final IncAction r = new IncAction();
1996	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
1997	–	final CFException ex = new CFException();
1998	–
1999	–	g.completeExceptionally(ex);
2000	–	checkCompletedWithWrappedCFException(h, ex);
2001	–	f.complete(v1);
2002	–
2003	–	assertEquals(0, r.invocationCount);
2004	–	checkCompletedNormally(f, v1);
2005	–	checkCompletedWithWrappedCFException(g, ex);
2006	–	checkCompletedWithWrappedCFException(h, ex);
2007	–	}}
2008	–
2009	–	public void testAcceptEither_exceptionalCompletion3() {
2010	–	for (ExecutionMode m : ExecutionMode.values())
2011	–	for (Integer v1 : new Integer[] { 1, null })
2012	–	{
2013	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2014	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2015	–	final IncAction r = new IncAction();
2519		final CFException ex = new CFException();
2520	+	final NoopConsumer[] rs = new NoopConsumer[6];
2521	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2522
2523	<	g.completeExceptionally(ex);
2524	<	f.complete(v1);
2525	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2523	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2524	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2525	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2526	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2527	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2528	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2529
2530	<	// unspecified behavior
2023	<	Integer v;
2530	>	// unspecified behavior - both source completions available
2531		try {
2532	<	assertNull(h.join());
2533	<	assertEquals(1, r.invocationCount);
2027	<	assertEquals(inc(v1), r.value);
2532	>	assertEquals(null, h0.join());
2533	>	rs[0].assertValue(v1);
2534		} catch (CompletionException ok) {
2535	<	checkCompletedWithWrappedCFException(h, ex);
2536	<	assertEquals(0, r.invocationCount);
2535	>	checkCompletedWithWrappedException(h0, ex);
2536	>	rs[0].assertNotInvoked();
2537		}
2032	–
2033	–	checkCompletedWithWrappedCFException(g, ex);
2034	–	checkCompletedNormally(f, v1);
2035	–	}}
2036	–
2037	–	public void testAcceptEither_exceptionalCompletion4() {
2038	–	for (ExecutionMode m : ExecutionMode.values())
2039	–	for (Integer v1 : new Integer[] { 1, null })
2040	–	{
2041	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2042	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2043	–	final IncAction r = new IncAction();
2044	–	final CFException ex = new CFException();
2045	–
2046	–	f.completeExceptionally(ex);
2047	–	g.complete(v1);
2048	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2049	–
2050	–	// unspecified behavior
2051	–	Integer v;
2538		try {
2539	<	assertNull(h.join());
2540	<	assertEquals(1, r.invocationCount);
2055	<	assertEquals(inc(v1), r.value);
2539	>	assertEquals(null, h1.join());
2540	>	rs[1].assertValue(v1);
2541		} catch (CompletionException ok) {
2542	<	checkCompletedWithWrappedCFException(h, ex);
2543	<	assertEquals(0, r.invocationCount);
2542	>	checkCompletedWithWrappedException(h1, ex);
2543	>	rs[1].assertNotInvoked();
2544	>	}
2545	>	try {
2546	>	assertEquals(null, h2.join());
2547	>	rs[2].assertValue(v1);
2548	>	} catch (CompletionException ok) {
2549	>	checkCompletedWithWrappedException(h2, ex);
2550	>	rs[2].assertNotInvoked();
2551	>	}
2552	>	try {
2553	>	assertEquals(null, h3.join());
2554	>	rs[3].assertValue(v1);
2555	>	} catch (CompletionException ok) {
2556	>	checkCompletedWithWrappedException(h3, ex);
2557	>	rs[3].assertNotInvoked();
2558		}
2559
2061	–	checkCompletedWithWrappedCFException(f, ex);
2062	–	checkCompletedNormally(g, v1);
2063	–	}}
2064	–
2065	–	/**
2066	–	* acceptEither result completes exceptionally if action does
2067	–	*/
2068	–	public void testAcceptEither_actionFailed1() {
2069	–	for (ExecutionMode m : ExecutionMode.values())
2070	–	for (Integer v1 : new Integer[] { 1, null })
2071	–	for (Integer v2 : new Integer[] { 2, null })
2072	–	{
2073	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2074	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2075	–	final FailingConsumer r = new FailingConsumer(m);
2076	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2077	–
2078	–	f.complete(v1);
2079	–	checkCompletedWithWrappedCFException(h);
2080	–	g.complete(v2);
2081	–	checkCompletedNormally(f, v1);
2082	–	checkCompletedNormally(g, v2);
2083	–	}}
2084	–
2085	–	public void testAcceptEither_actionFailed2() {
2086	–	for (ExecutionMode m : ExecutionMode.values())
2087	–	for (Integer v1 : new Integer[] { 1, null })
2088	–	for (Integer v2 : new Integer[] { 2, null })
2089	–	{
2090	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2091	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2092	–	final FailingConsumer r = new FailingConsumer(m);
2093	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2094	–
2095	–	g.complete(v2);
2096	–	checkCompletedWithWrappedCFException(h);
2097	–	f.complete(v1);
2560		checkCompletedNormally(f, v1);
2561	<	checkCompletedNormally(g, v2);
2561	>	checkCompletedExceptionally(g, ex);
2562		}}
2563
2564		/**
2565		* acceptEither result completes exceptionally if either source cancelled
2566		*/
2567	<	public void testAcceptEither_sourceCancelled1() {
2106	<	for (ExecutionMode m : ExecutionMode.values())
2107	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2108	<	for (Integer v1 : new Integer[] { 1, null })
2109	<	{
2110	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2111	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2112	<	final IncAction r = new IncAction();
2113	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2114	<
2115	<	assertTrue(f.cancel(mayInterruptIfRunning));
2116	<	checkCompletedWithWrappedCancellationException(h);
2117	<	g.complete(v1);
2118	<
2119	<	checkCancelled(f);
2120	<	assertEquals(0, r.invocationCount);
2121	<	checkCompletedNormally(g, v1);
2122	<	checkCompletedWithWrappedCancellationException(h);
2123	<	}}
2124	<
2125	<	public void testAcceptEither_sourceCancelled2() {
2567	>	public void testAcceptEither_sourceCancelled() {
2568		for (ExecutionMode m : ExecutionMode.values())
2569		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2570		for (Integer v1 : new Integer[] { 1, null })
2571		{
2572		final CompletableFuture<Integer> f = new CompletableFuture<>();
2573		final CompletableFuture<Integer> g = new CompletableFuture<>();
2574	<	final IncAction r = new IncAction();
2575	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2574	>	final NoopConsumer[] rs = new NoopConsumer[6];
2575	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2576
2577	<	assertTrue(g.cancel(mayInterruptIfRunning));
2578	<	checkCompletedWithWrappedCancellationException(h);
2579	<	f.complete(v1);
2580	<
2581	<	checkCancelled(g);
2582	<	assertEquals(0, r.invocationCount);
2583	<	checkCompletedNormally(f, v1);
2584	<	checkCompletedWithWrappedCancellationException(h);
2585	<	}}
2577	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2578	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2579	>	checkIncomplete(h0);
2580	>	checkIncomplete(h1);
2581	>	rs[0].assertNotInvoked();
2582	>	rs[1].assertNotInvoked();
2583	>	f.cancel(mayInterruptIfRunning);
2584	>	checkCompletedWithWrappedCancellationException(h0);
2585	>	checkCompletedWithWrappedCancellationException(h1);
2586	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2587	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2588	>	checkCompletedWithWrappedCancellationException(h2);
2589	>	checkCompletedWithWrappedCancellationException(h3);
2590
2591	<	public void testAcceptEither_sourceCancelled3() {
2146	<	for (ExecutionMode m : ExecutionMode.values())
2147	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2148	<	for (Integer v1 : new Integer[] { 1, null })
2149	<	{
2150	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2151	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2152	<	final IncAction r = new IncAction();
2153	<
2154	<	assertTrue(g.cancel(mayInterruptIfRunning));
2155	<	f.complete(v1);
2156	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2591	>	g.complete(v1);
2592
2593	<	// unspecified behavior
2594	<	Integer v;
2593	>	// unspecified behavior - both source completions available
2594	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2595	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2596		try {
2597	<	assertNull(h.join());
2598	<	assertEquals(1, r.invocationCount);
2163	<	assertEquals(inc(v1), r.value);
2597	>	assertNull(h4.join());
2598	>	rs[4].assertValue(v1);
2599		} catch (CompletionException ok) {
2600	<	checkCompletedWithWrappedCancellationException(h);
2601	<	assertEquals(0, r.invocationCount);
2600	>	checkCompletedWithWrappedCancellationException(h4);
2601	>	rs[4].assertNotInvoked();
2602		}
2168	–
2169	–	checkCancelled(g);
2170	–	checkCompletedNormally(f, v1);
2171	–	}}
2172	–
2173	–	public void testAcceptEither_sourceCancelled4() {
2174	–	for (ExecutionMode m : ExecutionMode.values())
2175	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2176	–	for (Integer v1 : new Integer[] { 1, null })
2177	–	{
2178	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2179	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2180	–	final IncAction r = new IncAction();
2181	–
2182	–	assertTrue(f.cancel(mayInterruptIfRunning));
2183	–	g.complete(v1);
2184	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2185	–
2186	–	// unspecified behavior
2187	–	Integer v;
2603		try {
2604	<	assertNull(h.join());
2605	<	assertEquals(1, r.invocationCount);
2191	<	assertEquals(inc(v1), r.value);
2604	>	assertNull(h5.join());
2605	>	rs[5].assertValue(v1);
2606		} catch (CompletionException ok) {
2607	<	checkCompletedWithWrappedCancellationException(h);
2608	<	assertEquals(0, r.invocationCount);
2607	>	checkCompletedWithWrappedCancellationException(h5);
2608	>	rs[5].assertNotInvoked();
2609		}
2610
2611		checkCancelled(f);
2612		checkCompletedNormally(g, v1);
2613	+	checkCompletedWithWrappedCancellationException(h0);
2614	+	checkCompletedWithWrappedCancellationException(h1);
2615	+	checkCompletedWithWrappedCancellationException(h2);
2616	+	checkCompletedWithWrappedCancellationException(h3);
2617	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2618		}}
2619
2620		/**
2621	<	* runAfterEither result completes normally after normal completion
2203	<	* of either source
2621	>	* acceptEither result completes exceptionally if action does
2622		*/
2623	<	public void testRunAfterEither_normalCompletion1() {
2623	>	public void testAcceptEither_actionFailed() {
2624		for (ExecutionMode m : ExecutionMode.values())
2625		for (Integer v1 : new Integer[] { 1, null })
2626		for (Integer v2 : new Integer[] { 2, null })
2627		{
2628		final CompletableFuture<Integer> f = new CompletableFuture<>();
2629		final CompletableFuture<Integer> g = new CompletableFuture<>();
2630	<	final Noop r = new Noop(m);
2631	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2630	>	final FailingConsumer[] rs = new FailingConsumer[6];
2631	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2632
2633	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2634	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2635		f.complete(v1);
2636	<	checkCompletedNormally(h, null);
2637	<	assertEquals(1, r.invocationCount);
2636	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2637	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2638	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2639	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2640	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2641	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2642	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2643	>
2644		g.complete(v2);
2645
2646	+	// unspecified behavior - both source completions available
2647	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2648	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2649	+
2650	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2651	+	assertTrue(Objects.equals(v1, rs[4].value) \|\|
2652	+	Objects.equals(v2, rs[4].value));
2653	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2654	+	assertTrue(Objects.equals(v1, rs[5].value) \|\|
2655	+	Objects.equals(v2, rs[5].value));
2656	+
2657		checkCompletedNormally(f, v1);
2658		checkCompletedNormally(g, v2);
2222	–	checkCompletedNormally(h, null);
2223	–	assertEquals(1, r.invocationCount);
2659		}}
2660
2661	<	public void testRunAfterEither_normalCompletion2() {
2661	>	/**
2662	>	* runAfterEither result completes normally after normal completion
2663	>	* of either source
2664	>	*/
2665	>	public void testRunAfterEither_normalCompletion() {
2666		for (ExecutionMode m : ExecutionMode.values())
2667		for (Integer v1 : new Integer[] { 1, null })
2668		for (Integer v2 : new Integer[] { 2, null })
2669		{
2670		final CompletableFuture<Integer> f = new CompletableFuture<>();
2671		final CompletableFuture<Integer> g = new CompletableFuture<>();
2672	<	final Noop r = new Noop(m);
2673	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2672	>	final Noop[] rs = new Noop[6];
2673	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2674
2675	<	g.complete(v2);
2676	<	checkCompletedNormally(h, null);
2677	<	assertEquals(1, r.invocationCount);
2675	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2676	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2677	>	checkIncomplete(h0);
2678	>	checkIncomplete(h1);
2679	>	rs[0].assertNotInvoked();
2680	>	rs[1].assertNotInvoked();
2681		f.complete(v1);
2682	+	checkCompletedNormally(h0, null);
2683	+	checkCompletedNormally(h1, null);
2684	+	rs[0].assertInvoked();
2685	+	rs[1].assertInvoked();
2686	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2687	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2688	+	checkCompletedNormally(h2, null);
2689	+	checkCompletedNormally(h3, null);
2690	+	rs[2].assertInvoked();
2691	+	rs[3].assertInvoked();
2692
2241	–	checkCompletedNormally(f, v1);
2242	–	checkCompletedNormally(g, v2);
2243	–	checkCompletedNormally(h, null);
2244	–	assertEquals(1, r.invocationCount);
2245	–	}}
2246	–
2247	–	public void testRunAfterEither_normalCompletion3() {
2248	–	for (ExecutionMode m : ExecutionMode.values())
2249	–	for (Integer v1 : new Integer[] { 1, null })
2250	–	for (Integer v2 : new Integer[] { 2, null })
2251	–	{
2252	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2253	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2254	–	final Noop r = new Noop(m);
2255	–
2256	–	f.complete(v1);
2693		g.complete(v2);
2258	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2694
2695	<	checkCompletedNormally(h, null);
2695	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2696	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2697	>
2698		checkCompletedNormally(f, v1);
2699		checkCompletedNormally(g, v2);
2700	<	assertEquals(1, r.invocationCount);
2700	>	checkCompletedNormally(h0, null);
2701	>	checkCompletedNormally(h1, null);
2702	>	checkCompletedNormally(h2, null);
2703	>	checkCompletedNormally(h3, null);
2704	>	checkCompletedNormally(h4, null);
2705	>	checkCompletedNormally(h5, null);
2706	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2707		}}
2708
2709		/**
2710		* runAfterEither result completes exceptionally after exceptional
2711		* completion of either source
2712		*/
2713	<	public void testRunAfterEither_exceptionalCompletion1() {
2271	<	for (ExecutionMode m : ExecutionMode.values())
2272	<	for (Integer v1 : new Integer[] { 1, null })
2273	<	{
2274	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2275	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2276	<	final Noop r = new Noop(m);
2277	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2278	<	final CFException ex = new CFException();
2279	<
2280	<	f.completeExceptionally(ex);
2281	<	checkCompletedWithWrappedCFException(h, ex);
2282	<	g.complete(v1);
2283	<
2284	<	assertEquals(0, r.invocationCount);
2285	<	checkCompletedNormally(g, v1);
2286	<	checkCompletedWithWrappedCFException(f, ex);
2287	<	checkCompletedWithWrappedCFException(h, ex);
2288	<	}}
2289	<
2290	<	public void testRunAfterEither_exceptionalCompletion2() {
2713	>	public void testRunAfterEither_exceptionalCompletion() {
2714		for (ExecutionMode m : ExecutionMode.values())
2715		for (Integer v1 : new Integer[] { 1, null })
2716		{
2717		final CompletableFuture<Integer> f = new CompletableFuture<>();
2718		final CompletableFuture<Integer> g = new CompletableFuture<>();
2296	–	final Noop r = new Noop(m);
2297	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2719		final CFException ex = new CFException();
2720	+	final Noop[] rs = new Noop[6];
2721	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2722
2723	<	g.completeExceptionally(ex);
2724	<	checkCompletedWithWrappedCFException(h, ex);
2725	<	f.complete(v1);
2726	<
2727	<	assertEquals(0, r.invocationCount);
2728	<	checkCompletedNormally(f, v1);
2729	<	checkCompletedWithWrappedCFException(g, ex);
2730	<	checkCompletedWithWrappedCFException(h, ex);
2731	<	}}
2723	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2724	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2725	>	checkIncomplete(h0);
2726	>	checkIncomplete(h1);
2727	>	rs[0].assertNotInvoked();
2728	>	rs[1].assertNotInvoked();
2729	>	assertTrue(f.completeExceptionally(ex));
2730	>	checkCompletedWithWrappedException(h0, ex);
2731	>	checkCompletedWithWrappedException(h1, ex);
2732	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2733	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2734	>	checkCompletedWithWrappedException(h2, ex);
2735	>	checkCompletedWithWrappedException(h3, ex);
2736
2737	<	public void testRunAfterEither_exceptionalCompletion3() {
2311	<	for (ExecutionMode m : ExecutionMode.values())
2312	<	for (Integer v1 : new Integer[] { 1, null })
2313	<	{
2314	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2315	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2316	<	final Noop r = new Noop(m);
2317	<	final CFException ex = new CFException();
2737	>	assertTrue(g.complete(v1));
2738
2739	<	g.completeExceptionally(ex);
2740	<	f.complete(v1);
2741	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2322	<
2323	<	// unspecified behavior
2324	<	Integer v;
2739	>	// unspecified behavior - both source completions available
2740	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2741	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2742		try {
2743	<	assertNull(h.join());
2744	<	assertEquals(1, r.invocationCount);
2743	>	assertNull(h4.join());
2744	>	rs[4].assertInvoked();
2745		} catch (CompletionException ok) {
2746	<	checkCompletedWithWrappedCFException(h, ex);
2747	<	assertEquals(0, r.invocationCount);
2746	>	checkCompletedWithWrappedException(h4, ex);
2747	>	rs[4].assertNotInvoked();
2748		}
2332	–
2333	–	checkCompletedWithWrappedCFException(g, ex);
2334	–	checkCompletedNormally(f, v1);
2335	–	}}
2336	–
2337	–	public void testRunAfterEither_exceptionalCompletion4() {
2338	–	for (ExecutionMode m : ExecutionMode.values())
2339	–	for (Integer v1 : new Integer[] { 1, null })
2340	–	{
2341	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2342	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2343	–	final Noop r = new Noop(m);
2344	–	final CFException ex = new CFException();
2345	–
2346	–	f.completeExceptionally(ex);
2347	–	g.complete(v1);
2348	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2349	–
2350	–	// unspecified behavior
2351	–	Integer v;
2749		try {
2750	<	assertNull(h.join());
2751	<	assertEquals(1, r.invocationCount);
2750	>	assertNull(h5.join());
2751	>	rs[5].assertInvoked();
2752		} catch (CompletionException ok) {
2753	<	checkCompletedWithWrappedCFException(h, ex);
2754	<	assertEquals(0, r.invocationCount);
2753	>	checkCompletedWithWrappedException(h5, ex);
2754	>	rs[5].assertNotInvoked();
2755		}
2756
2757	<	checkCompletedWithWrappedCFException(f, ex);
2757	>	checkCompletedExceptionally(f, ex);
2758		checkCompletedNormally(g, v1);
2759	+	checkCompletedWithWrappedException(h0, ex);
2760	+	checkCompletedWithWrappedException(h1, ex);
2761	+	checkCompletedWithWrappedException(h2, ex);
2762	+	checkCompletedWithWrappedException(h3, ex);
2763	+	checkCompletedWithWrappedException(h4, ex);
2764	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2765		}}
2766
2767	<	/**
2365	<	* runAfterEither result completes exceptionally if action does
2366	<	*/
2367	<	public void testRunAfterEither_actionFailed1() {
2767	>	public void testRunAfterEither_exceptionalCompletion2() {
2768		for (ExecutionMode m : ExecutionMode.values())
2769	+	for (boolean fFirst : new boolean[] { true, false })
2770		for (Integer v1 : new Integer[] { 1, null })
2370	–	for (Integer v2 : new Integer[] { 2, null })
2771		{
2772		final CompletableFuture<Integer> f = new CompletableFuture<>();
2773		final CompletableFuture<Integer> g = new CompletableFuture<>();
2774	<	final FailingRunnable r = new FailingRunnable(m);
2775	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2774	>	final CFException ex = new CFException();
2775	>	final Noop[] rs = new Noop[6];
2776	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2777
2778	<	f.complete(v1);
2779	<	checkCompletedWithWrappedCFException(h);
2780	<	g.complete(v2);
2781	<	checkCompletedNormally(f, v1);
2782	<	checkCompletedNormally(g, v2);
2783	<	}}
2778	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2779	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2780	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2781	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2782	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2783	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2784
2785	<	public void testRunAfterEither_actionFailed2() {
2786	<	for (ExecutionMode m : ExecutionMode.values())
2787	<	for (Integer v1 : new Integer[] { 1, null })
2788	<	for (Integer v2 : new Integer[] { 2, null })
2789	<	{
2790	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2791	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2792	<	final FailingRunnable r = new FailingRunnable(m);
2793	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2785	>	// unspecified behavior - both source completions available
2786	>	try {
2787	>	assertEquals(null, h0.join());
2788	>	rs[0].assertInvoked();
2789	>	} catch (CompletionException ok) {
2790	>	checkCompletedWithWrappedException(h0, ex);
2791	>	rs[0].assertNotInvoked();
2792	>	}
2793	>	try {
2794	>	assertEquals(null, h1.join());
2795	>	rs[1].assertInvoked();
2796	>	} catch (CompletionException ok) {
2797	>	checkCompletedWithWrappedException(h1, ex);
2798	>	rs[1].assertNotInvoked();
2799	>	}
2800	>	try {
2801	>	assertEquals(null, h2.join());
2802	>	rs[2].assertInvoked();
2803	>	} catch (CompletionException ok) {
2804	>	checkCompletedWithWrappedException(h2, ex);
2805	>	rs[2].assertNotInvoked();
2806	>	}
2807	>	try {
2808	>	assertEquals(null, h3.join());
2809	>	rs[3].assertInvoked();
2810	>	} catch (CompletionException ok) {
2811	>	checkCompletedWithWrappedException(h3, ex);
2812	>	rs[3].assertNotInvoked();
2813	>	}
2814
2394	–	g.complete(v2);
2395	–	checkCompletedWithWrappedCFException(h);
2396	–	f.complete(v1);
2815		checkCompletedNormally(f, v1);
2816	<	checkCompletedNormally(g, v2);
2816	>	checkCompletedExceptionally(g, ex);
2817		}}
2818
2819		/**
2820		* runAfterEither result completes exceptionally if either source cancelled
2821		*/
2822	<	public void testRunAfterEither_sourceCancelled1() {
2822	>	public void testRunAfterEither_sourceCancelled() {
2823		for (ExecutionMode m : ExecutionMode.values())
2824		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2825		for (Integer v1 : new Integer[] { 1, null })
2826		{
2827		final CompletableFuture<Integer> f = new CompletableFuture<>();
2828		final CompletableFuture<Integer> g = new CompletableFuture<>();
2829	<	final Noop r = new Noop(m);
2830	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2413	<
2414	<	assertTrue(f.cancel(mayInterruptIfRunning));
2415	<	checkCompletedWithWrappedCancellationException(h);
2416	<	g.complete(v1);
2417	<
2418	<	checkCancelled(f);
2419	<	assertEquals(0, r.invocationCount);
2420	<	checkCompletedNormally(g, v1);
2421	<	checkCompletedWithWrappedCancellationException(h);
2422	<	}}
2423	<
2424	<	public void testRunAfterEither_sourceCancelled2() {
2425	<	for (ExecutionMode m : ExecutionMode.values())
2426	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2427	<	for (Integer v1 : new Integer[] { 1, null })
2428	<	{
2429	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2430	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2431	<	final Noop r = new Noop(m);
2432	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2433	<
2434	<	assertTrue(g.cancel(mayInterruptIfRunning));
2435	<	checkCompletedWithWrappedCancellationException(h);
2436	<	f.complete(v1);
2829	>	final Noop[] rs = new Noop[6];
2830	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2831
2832	<	checkCancelled(g);
2833	<	assertEquals(0, r.invocationCount);
2834	<	checkCompletedNormally(f, v1);
2835	<	checkCompletedWithWrappedCancellationException(h);
2836	<	}}
2837	<
2838	<	public void testRunAfterEither_sourceCancelled3() {
2839	<	for (ExecutionMode m : ExecutionMode.values())
2840	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2841	<	for (Integer v1 : new Integer[] { 1, null })
2842	<	{
2843	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2844	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2845	<	final Noop r = new Noop(m);
2846	<
2847	<	assertTrue(g.cancel(mayInterruptIfRunning));
2848	<	f.complete(v1);
2849	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2850	<
2457	<	// unspecified behavior
2458	<	Integer v;
2832	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2833	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2834	>	checkIncomplete(h0);
2835	>	checkIncomplete(h1);
2836	>	rs[0].assertNotInvoked();
2837	>	rs[1].assertNotInvoked();
2838	>	f.cancel(mayInterruptIfRunning);
2839	>	checkCompletedWithWrappedCancellationException(h0);
2840	>	checkCompletedWithWrappedCancellationException(h1);
2841	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2842	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2843	>	checkCompletedWithWrappedCancellationException(h2);
2844	>	checkCompletedWithWrappedCancellationException(h3);
2845	>
2846	>	assertTrue(g.complete(v1));
2847	>
2848	>	// unspecified behavior - both source completions available
2849	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2850	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2851		try {
2852	<	assertNull(h.join());
2853	<	assertEquals(1, r.invocationCount);
2852	>	assertNull(h4.join());
2853	>	rs[4].assertInvoked();
2854		} catch (CompletionException ok) {
2855	<	checkCompletedWithWrappedCancellationException(h);
2856	<	assertEquals(0, r.invocationCount);
2855	>	checkCompletedWithWrappedCancellationException(h4);
2856	>	rs[4].assertNotInvoked();
2857	>	}
2858	>	try {
2859	>	assertNull(h5.join());
2860	>	rs[5].assertInvoked();
2861	>	} catch (CompletionException ok) {
2862	>	checkCompletedWithWrappedCancellationException(h5);
2863	>	rs[5].assertNotInvoked();
2864		}
2865
2866	<	checkCancelled(g);
2867	<	checkCompletedNormally(f, v1);
2866	>	checkCancelled(f);
2867	>	checkCompletedNormally(g, v1);
2868	>	checkCompletedWithWrappedCancellationException(h0);
2869	>	checkCompletedWithWrappedCancellationException(h1);
2870	>	checkCompletedWithWrappedCancellationException(h2);
2871	>	checkCompletedWithWrappedCancellationException(h3);
2872	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2873		}}
2874
2875	<	public void testRunAfterEither_sourceCancelled4() {
2875	>	/**
2876	>	* runAfterEither result completes exceptionally if action does
2877	>	*/
2878	>	public void testRunAfterEither_actionFailed() {
2879		for (ExecutionMode m : ExecutionMode.values())
2473	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2880		for (Integer v1 : new Integer[] { 1, null })
2881	+	for (Integer v2 : new Integer[] { 2, null })
2882		{
2883		final CompletableFuture<Integer> f = new CompletableFuture<>();
2884		final CompletableFuture<Integer> g = new CompletableFuture<>();
2885	<	final Noop r = new Noop(m);
2886	<
2480	<	assertTrue(f.cancel(mayInterruptIfRunning));
2481	<	g.complete(v1);
2482	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2885	>	final FailingRunnable[] rs = new FailingRunnable[6];
2886	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2887
2888	<	// unspecified behavior
2889	<	Integer v;
2890	<	try {
2891	<	assertNull(h.join());
2892	<	assertEquals(1, r.invocationCount);
2893	<	} catch (CompletionException ok) {
2894	<	checkCompletedWithWrappedCancellationException(h);
2895	<	assertEquals(0, r.invocationCount);
2896	<	}
2888	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2889	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2890	>	assertTrue(f.complete(v1));
2891	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2892	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2893	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2894	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2895	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2896	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2897	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2898	>	assertTrue(g.complete(v2));
2899	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2900	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2901	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2902	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2903
2904	<	checkCancelled(f);
2905	<	checkCompletedNormally(g, v1);
2904	>	checkCompletedNormally(f, v1);
2905	>	checkCompletedNormally(g, v2);
2906	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2907		}}
2908
2909		/**
#	Line 2505 \| Line 2916 \| public class CompletableFutureTest exten
2916		{
2917		final CompletableFuture<Integer> f = new CompletableFuture<>();
2918		final CompletableFutureInc r = new CompletableFutureInc(m);
2919	<	if (!createIncomplete) f.complete(v1);
2919	>	if (!createIncomplete) assertTrue(f.complete(v1));
2920		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2921	<	if (createIncomplete) f.complete(v1);
2921	>	if (createIncomplete) assertTrue(f.complete(v1));
2922
2923		checkCompletedNormally(g, inc(v1));
2924		checkCompletedNormally(f, v1);
2925	<	assertEquals(1, r.invocationCount);
2925	>	r.assertValue(v1);
2926		}}
2927
2928		/**
#	Line 2529 \| Line 2940 \| public class CompletableFutureTest exten
2940		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2941		if (createIncomplete) f.completeExceptionally(ex);
2942
2943	<	checkCompletedWithWrappedCFException(g, ex);
2944	<	checkCompletedWithWrappedCFException(f, ex);
2945	<	assertEquals(0, r.invocationCount);
2943	>	checkCompletedWithWrappedException(g, ex);
2944	>	checkCompletedExceptionally(f, ex);
2945	>	r.assertNotInvoked();
2946		}}
2947
2948		/**
#	Line 2545 \| Line 2956 \| public class CompletableFutureTest exten
2956		final CompletableFuture<Integer> f = new CompletableFuture<>();
2957		final FailingCompletableFutureFunction r
2958		= new FailingCompletableFutureFunction(m);
2959	<	if (!createIncomplete) f.complete(v1);
2959	>	if (!createIncomplete) assertTrue(f.complete(v1));
2960		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2961	<	if (createIncomplete) f.complete(v1);
2961	>	if (createIncomplete) assertTrue(f.complete(v1));
2962
2963	<	checkCompletedWithWrappedCFException(g);
2963	>	checkCompletedWithWrappedException(g, r.ex);
2964		checkCompletedNormally(f, v1);
2965		}}
2966
#	Line 2574 \| Line 2985 \| public class CompletableFutureTest exten
2985		checkCancelled(f);
2986		}}
2987
2988	+	/**
2989	+	* thenCompose result completes exceptionally if the result of the action does
2990	+	*/
2991	+	public void testThenCompose_actionReturnsFailingFuture() {
2992	+	for (ExecutionMode m : ExecutionMode.values())
2993	+	for (int order = 0; order < 6; order++)
2994	+	for (Integer v1 : new Integer[] { 1, null })
2995	+	{
2996	+	final CFException ex = new CFException();
2997	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
2998	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
2999	+	final CompletableFuture<Integer> h;
3000	+	// Test all permutations of orders
3001	+	switch (order) {
3002	+	case 0:
3003	+	assertTrue(f.complete(v1));
3004	+	assertTrue(g.completeExceptionally(ex));
3005	+	h = m.thenCompose(f, (x -> g));
3006	+	break;
3007	+	case 1:
3008	+	assertTrue(f.complete(v1));
3009	+	h = m.thenCompose(f, (x -> g));
3010	+	assertTrue(g.completeExceptionally(ex));
3011	+	break;
3012	+	case 2:
3013	+	assertTrue(g.completeExceptionally(ex));
3014	+	assertTrue(f.complete(v1));
3015	+	h = m.thenCompose(f, (x -> g));
3016	+	break;
3017	+	case 3:
3018	+	assertTrue(g.completeExceptionally(ex));
3019	+	h = m.thenCompose(f, (x -> g));
3020	+	assertTrue(f.complete(v1));
3021	+	break;
3022	+	case 4:
3023	+	h = m.thenCompose(f, (x -> g));
3024	+	assertTrue(f.complete(v1));
3025	+	assertTrue(g.completeExceptionally(ex));
3026	+	break;
3027	+	case 5:
3028	+	h = m.thenCompose(f, (x -> g));
3029	+	assertTrue(f.complete(v1));
3030	+	assertTrue(g.completeExceptionally(ex));
3031	+	break;
3032	+	default: throw new AssertionError();
3033	+	}
3034	+
3035	+	checkCompletedExceptionally(g, ex);
3036	+	checkCompletedWithWrappedException(h, ex);
3037	+	checkCompletedNormally(f, v1);
3038	+	}}
3039	+
3040		// other static methods
3041
3042		/**
#	Line 2590 \| Line 3053 \| public class CompletableFutureTest exten
3053		* when all components complete normally
3054		*/
3055		public void testAllOf_normal() throws Exception {
3056	<	for (int k = 1; k < 20; ++k) {
3057	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3058	<	for (int i = 0; i < k; ++i)
3056	>	for (int k = 1; k < 10; k++) {
3057	>	CompletableFuture<Integer>[] fs
3058	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3059	>	for (int i = 0; i < k; i++)
3060		fs[i] = new CompletableFuture<>();
3061		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3062	<	for (int i = 0; i < k; ++i) {
3062	>	for (int i = 0; i < k; i++) {
3063		checkIncomplete(f);
3064		checkIncomplete(CompletableFuture.allOf(fs));
3065		fs[i].complete(one);
#	Line 2605 \| Line 3069 \| public class CompletableFutureTest exten
3069		}
3070		}
3071
3072	+	public void testAllOf_normal_backwards() throws Exception {
3073	+	for (int k = 1; k < 10; k++) {
3074	+	CompletableFuture<Integer>[] fs
3075	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3076	+	for (int i = 0; i < k; i++)
3077	+	fs[i] = new CompletableFuture<>();
3078	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3079	+	for (int i = k - 1; i >= 0; i--) {
3080	+	checkIncomplete(f);
3081	+	checkIncomplete(CompletableFuture.allOf(fs));
3082	+	fs[i].complete(one);
3083	+	}
3084	+	checkCompletedNormally(f, null);
3085	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3086	+	}
3087	+	}
3088	+
3089	+	public void testAllOf_exceptional() throws Exception {
3090	+	for (int k = 1; k < 10; k++) {
3091	+	CompletableFuture<Integer>[] fs
3092	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3093	+	CFException ex = new CFException();
3094	+	for (int i = 0; i < k; i++)
3095	+	fs[i] = new CompletableFuture<>();
3096	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3097	+	for (int i = 0; i < k; i++) {
3098	+	checkIncomplete(f);
3099	+	checkIncomplete(CompletableFuture.allOf(fs));
3100	+	if (i != k / 2) {
3101	+	fs[i].complete(i);
3102	+	checkCompletedNormally(fs[i], i);
3103	+	} else {
3104	+	fs[i].completeExceptionally(ex);
3105	+	checkCompletedExceptionally(fs[i], ex);
3106	+	}
3107	+	}
3108	+	checkCompletedWithWrappedException(f, ex);
3109	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3110	+	}
3111	+	}
3112	+
3113		/**
3114		* anyOf(no component futures) returns an incomplete future
3115		*/
3116		public void testAnyOf_empty() throws Exception {
3117	+	for (Integer v1 : new Integer[] { 1, null })
3118	+	{
3119		CompletableFuture<Object> f = CompletableFuture.anyOf();
3120		checkIncomplete(f);
3121	<	}
3121	>
3122	>	f.complete(v1);
3123	>	checkCompletedNormally(f, v1);
3124	>	}}
3125
3126		/**
3127		* anyOf returns a future completed normally with a value when
3128		* a component future does
3129		*/
3130		public void testAnyOf_normal() throws Exception {
3131	<	for (int k = 0; k < 10; ++k) {
3131	>	for (int k = 0; k < 10; k++) {
3132		CompletableFuture[] fs = new CompletableFuture[k];
3133	<	for (int i = 0; i < k; ++i)
3133	>	for (int i = 0; i < k; i++)
3134		fs[i] = new CompletableFuture<>();
3135		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3136		checkIncomplete(f);
3137	<	for (int i = 0; i < k; ++i) {
3138	<	fs[i].complete(one);
3139	<	checkCompletedNormally(f, one);
3140	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3137	>	for (int i = 0; i < k; i++) {
3138	>	fs[i].complete(i);
3139	>	checkCompletedNormally(f, 0);
3140	>	int x = (int) CompletableFuture.anyOf(fs).join();
3141	>	assertTrue(0 <= x && x <= i);
3142	>	}
3143	>	}
3144	>	}
3145	>	public void testAnyOf_normal_backwards() throws Exception {
3146	>	for (int k = 0; k < 10; k++) {
3147	>	CompletableFuture[] fs = new CompletableFuture[k];
3148	>	for (int i = 0; i < k; i++)
3149	>	fs[i] = new CompletableFuture<>();
3150	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3151	>	checkIncomplete(f);
3152	>	for (int i = k - 1; i >= 0; i--) {
3153	>	fs[i].complete(i);
3154	>	checkCompletedNormally(f, k - 1);
3155	>	int x = (int) CompletableFuture.anyOf(fs).join();
3156	>	assertTrue(i <= x && x <= k - 1);
3157		}
3158		}
3159		}
#	Line 2636 \| Line 3162 \| public class CompletableFutureTest exten
3162		* anyOf result completes exceptionally when any component does.
3163		*/
3164		public void testAnyOf_exceptional() throws Exception {
3165	<	for (int k = 0; k < 10; ++k) {
3165	>	for (int k = 0; k < 10; k++) {
3166		CompletableFuture[] fs = new CompletableFuture[k];
3167	<	for (int i = 0; i < k; ++i)
3167	>	CFException[] exs = new CFException[k];
3168	>	for (int i = 0; i < k; i++) {
3169		fs[i] = new CompletableFuture<>();
3170	+	exs[i] = new CFException();
3171	+	}
3172	+	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3173	+	checkIncomplete(f);
3174	+	for (int i = 0; i < k; i++) {
3175	+	fs[i].completeExceptionally(exs[i]);
3176	+	checkCompletedWithWrappedException(f, exs[0]);
3177	+	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3178	+	}
3179	+	}
3180	+	}
3181	+
3182	+	public void testAnyOf_exceptional_backwards() throws Exception {
3183	+	for (int k = 0; k < 10; k++) {
3184	+	CompletableFuture[] fs = new CompletableFuture[k];
3185	+	CFException[] exs = new CFException[k];
3186	+	for (int i = 0; i < k; i++) {
3187	+	fs[i] = new CompletableFuture<>();
3188	+	exs[i] = new CFException();
3189	+	}
3190		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3191		checkIncomplete(f);
3192	<	for (int i = 0; i < k; ++i) {
3193	<	fs[i].completeExceptionally(new CFException());
3194	<	checkCompletedWithWrappedCFException(f);
3192	>	for (int i = k - 1; i >= 0; i--) {
3193	>	fs[i].completeExceptionally(exs[i]);
3194	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3195		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3196		}
3197		}
#	Line 2657 \| Line 3204 \| public class CompletableFutureTest exten
3204		CompletableFuture<Integer> f = new CompletableFuture<>();
3205		CompletableFuture<Integer> g = new CompletableFuture<>();
3206		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2660	–	CompletableFuture<?> h;
3207		ThreadExecutor exec = new ThreadExecutor();
3208
3209		Runnable[] throwingActions = {
3210		() -> CompletableFuture.supplyAsync(null),
3211		() -> CompletableFuture.supplyAsync(null, exec),
3212	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3212	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3213
3214		() -> CompletableFuture.runAsync(null),
3215		() -> CompletableFuture.runAsync(null, exec),
#	Line 2754 \| Line 3300 \| public class CompletableFutureTest exten
3300		() -> CompletableFuture.anyOf(null, f),
3301
3302		() -> f.obtrudeException(null),
3303	+
3304	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3305	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3306	+	() -> CompletableFuture.delayedExecutor(1L, null),
3307	+
3308	+	() -> f.orTimeout(1L, null),
3309	+	() -> f.completeOnTimeout(42, 1L, null),
3310	+
3311	+	() -> CompletableFuture.failedFuture(null),
3312	+	() -> CompletableFuture.failedStage(null),
3313		};
3314
3315		assertThrows(NullPointerException.class, throwingActions);
#	Line 2768 \| Line 3324 \| public class CompletableFutureTest exten
3324		assertSame(f, f.toCompletableFuture());
3325		}
3326
3327	+	// jdk9
3328	+
3329		/**
3330	<	* whenComplete action executes on normal completion, propagating
2773	<	* source result.
3330	>	* newIncompleteFuture returns an incomplete CompletableFuture
3331		*/
3332	<	public void testWhenComplete_normalCompletion1() {
2776	<	for (ExecutionMode m : ExecutionMode.values())
2777	<	for (boolean createIncomplete : new boolean[] { true, false })
3332	>	public void testNewIncompleteFuture() {
3333		for (Integer v1 : new Integer[] { 1, null })
3334		{
3335	<	final AtomicInteger a = new AtomicInteger(0);
3336	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3337	<	if (!createIncomplete) f.complete(v1);
3338	<	final CompletableFuture<Integer> g = m.whenComplete
3339	<	(f,
2785	<	(Integer x, Throwable t) -> {
2786	<	threadAssertSame(x, v1);
2787	<	threadAssertNull(t);
2788	<	a.getAndIncrement();
2789	<	});
2790	<	if (createIncomplete) f.complete(v1);
2791	<
2792	<	checkCompletedNormally(g, v1);
3335	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3336	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3337	>	checkIncomplete(f);
3338	>	checkIncomplete(g);
3339	>	f.complete(v1);
3340		checkCompletedNormally(f, v1);
3341	<	assertEquals(1, a.get());
3341	>	checkIncomplete(g);
3342	>	g.complete(v1);
3343	>	checkCompletedNormally(g, v1);
3344	>	assertSame(g.getClass(), CompletableFuture.class);
3345		}}
3346
3347		/**
3348	<	* whenComplete action executes on exceptional completion, propagating
2799	<	* source result.
3348	>	* completedStage returns a completed CompletionStage
3349		*/
3350	<	public void testWhenComplete_exceptionalCompletion() {
3351	<	for (ExecutionMode m : ExecutionMode.values())
3352	<	for (boolean createIncomplete : new boolean[] { true, false })
3350	>	public void testCompletedStage() {
3351	>	AtomicInteger x = new AtomicInteger(0);
3352	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3353	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3354	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3355	>	assertEquals(x.get(), 1);
3356	>	assertNull(r.get());
3357	>	}
3358	>
3359	>	/**
3360	>	* defaultExecutor by default returns the commonPool if
3361	>	* it supports more than one thread.
3362	>	*/
3363	>	public void testDefaultExecutor() {
3364	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3365	>	Executor e = f.defaultExecutor();
3366	>	Executor c = ForkJoinPool.commonPool();
3367	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3368	>	assertSame(e, c);
3369	>	else
3370	>	assertNotSame(e, c);
3371	>	}
3372	>
3373	>	/**
3374	>	* failedFuture returns a CompletableFuture completed
3375	>	* exceptionally with the given Exception
3376	>	*/
3377	>	public void testFailedFuture() {
3378	>	CFException ex = new CFException();
3379	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3380	>	checkCompletedExceptionally(f, ex);
3381	>	}
3382	>
3383	>	/**
3384	>	* failedFuture(null) throws NPE
3385	>	*/
3386	>	public void testFailedFuture_null() {
3387	>	try {
3388	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3389	>	shouldThrow();
3390	>	} catch (NullPointerException success) {}
3391	>	}
3392	>
3393	>	/**
3394	>	* copy returns a CompletableFuture that is completed normally,
3395	>	* with the same value, when source is.
3396	>	*/
3397	>	public void testCopy() {
3398	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3399	>	CompletableFuture<Integer> g = f.copy();
3400	>	checkIncomplete(f);
3401	>	checkIncomplete(g);
3402	>	f.complete(1);
3403	>	checkCompletedNormally(f, 1);
3404	>	checkCompletedNormally(g, 1);
3405	>	}
3406	>
3407	>	/**
3408	>	* copy returns a CompletableFuture that is completed exceptionally
3409	>	* when source is.
3410	>	*/
3411	>	public void testCopy2() {
3412	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3413	>	CompletableFuture<Integer> g = f.copy();
3414	>	checkIncomplete(f);
3415	>	checkIncomplete(g);
3416	>	CFException ex = new CFException();
3417	>	f.completeExceptionally(ex);
3418	>	checkCompletedExceptionally(f, ex);
3419	>	checkCompletedWithWrappedException(g, ex);
3420	>	}
3421	>
3422	>	/**
3423	>	* minimalCompletionStage returns a CompletableFuture that is
3424	>	* completed normally, with the same value, when source is.
3425	>	*/
3426	>	public void testMinimalCompletionStage() {
3427	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3428	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3429	>	AtomicInteger x = new AtomicInteger(0);
3430	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3431	>	checkIncomplete(f);
3432	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3433	>	f.complete(1);
3434	>	checkCompletedNormally(f, 1);
3435	>	assertEquals(x.get(), 1);
3436	>	assertNull(r.get());
3437	>	}
3438	>
3439	>	/**
3440	>	* minimalCompletionStage returns a CompletableFuture that is
3441	>	* completed exceptionally when source is.
3442	>	*/
3443	>	public void testMinimalCompletionStage2() {
3444	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3445	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3446	>	AtomicInteger x = new AtomicInteger(0);
3447	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3448	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3449	>	checkIncomplete(f);
3450	>	CFException ex = new CFException();
3451	>	f.completeExceptionally(ex);
3452	>	checkCompletedExceptionally(f, ex);
3453	>	assertEquals(x.get(), 0);
3454	>	assertEquals(r.get().getCause(), ex);
3455	>	}
3456	>
3457	>	/**
3458	>	* failedStage returns a CompletionStage completed
3459	>	* exceptionally with the given Exception
3460	>	*/
3461	>	public void testFailedStage() {
3462	>	CFException ex = new CFException();
3463	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3464	>	AtomicInteger x = new AtomicInteger(0);
3465	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3466	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3467	>	assertEquals(x.get(), 0);
3468	>	assertEquals(r.get(), ex);
3469	>	}
3470	>
3471	>	/**
3472	>	* completeAsync completes with value of given supplier
3473	>	*/
3474	>	public void testCompleteAsync() {
3475		for (Integer v1 : new Integer[] { 1, null })
3476		{
3477	<	final AtomicInteger a = new AtomicInteger(0);
3478	<	final CFException ex = new CFException();
3479	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3480	<	if (!createIncomplete) f.completeExceptionally(ex);
2810	<	final CompletableFuture<Integer> g = m.whenComplete
2811	<	(f,
2812	<	(Integer x, Throwable t) -> {
2813	<	threadAssertNull(x);
2814	<	threadAssertSame(t, ex);
2815	<	a.getAndIncrement();
2816	<	});
2817	<	if (createIncomplete) f.completeExceptionally(ex);
2818	<	checkCompletedWithWrappedCFException(f, ex);
2819	<	checkCompletedWithWrappedCFException(g, ex);
2820	<	assertEquals(1, a.get());
3477	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3478	>	f.completeAsync(() -> v1);
3479	>	f.join();
3480	>	checkCompletedNormally(f, v1);
3481		}}
3482
3483		/**
3484	<	* whenComplete action executes on cancelled source, propagating
2825	<	* CancellationException.
3484	>	* completeAsync completes exceptionally if given supplier throws
3485		*/
3486	<	public void testWhenComplete_sourceCancelled() {
3487	<	for (ExecutionMode m : ExecutionMode.values())
3488	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3489	<	for (boolean createIncomplete : new boolean[] { true, false })
3486	>	public void testCompleteAsync2() {
3487	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3488	>	CFException ex = new CFException();
3489	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3490	>	try {
3491	>	f.join();
3492	>	shouldThrow();
3493	>	} catch (CompletionException success) {}
3494	>	checkCompletedWithWrappedException(f, ex);
3495	>	}
3496	>
3497	>	/**
3498	>	* completeAsync with given executor completes with value of given supplier
3499	>	*/
3500	>	public void testCompleteAsync3() {
3501	>	for (Integer v1 : new Integer[] { 1, null })
3502		{
3503	<	final AtomicInteger a = new AtomicInteger(0);
3504	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3505	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3506	<	final CompletableFuture<Integer> g = m.whenComplete
3507	<	(f,
3508	<	(Integer x, Throwable t) -> {
3509	<	threadAssertNull(x);
2839	<	threadAssertTrue(t instanceof CancellationException);
2840	<	a.getAndIncrement();
2841	<	});
2842	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3503	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3504	>	ThreadExecutor executor = new ThreadExecutor();
3505	>	f.completeAsync(() -> v1, executor);
3506	>	assertSame(v1, f.join());
3507	>	checkCompletedNormally(f, v1);
3508	>	assertEquals(1, executor.count.get());
3509	>	}}
3510
3511	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
3512	<	checkCompletedWithWrappedCancellationException(g);
3513	<	checkCancelled(f);
3514	<	assertEquals(1, a.get());
3511	>	/**
3512	>	* completeAsync with given executor completes exceptionally if
3513	>	* given supplier throws
3514	>	*/
3515	>	public void testCompleteAsync4() {
3516	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3517	>	CFException ex = new CFException();
3518	>	ThreadExecutor executor = new ThreadExecutor();
3519	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3520	>	try {
3521	>	f.join();
3522	>	shouldThrow();
3523	>	} catch (CompletionException success) {}
3524	>	checkCompletedWithWrappedException(f, ex);
3525	>	assertEquals(1, executor.count.get());
3526	>	}
3527	>
3528	>	/**
3529	>	* orTimeout completes with TimeoutException if not complete
3530	>	*/
3531	>	public void testOrTimeout_timesOut() {
3532	>	long timeoutMillis = timeoutMillis();
3533	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3534	>	long startTime = System.nanoTime();
3535	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3536	>	checkCompletedWithTimeoutException(f);
3537	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3538	>	}
3539	>
3540	>	/**
3541	>	* orTimeout completes normally if completed before timeout
3542	>	*/
3543	>	public void testOrTimeout_completed() {
3544	>	for (Integer v1 : new Integer[] { 1, null })
3545	>	{
3546	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3547	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3548	>	long startTime = System.nanoTime();
3549	>	f.complete(v1);
3550	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3551	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3552	>	g.complete(v1);
3553	>	checkCompletedNormally(f, v1);
3554	>	checkCompletedNormally(g, v1);
3555	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3556		}}
3557
3558		/**
3559	<	* If a whenComplete action throws an exception when triggered by
2852	<	* a normal completion, it completes exceptionally
3559	>	* completeOnTimeout completes with given value if not complete
3560		*/
3561	<	public void testWhenComplete_actionFailed() {
3562	<	for (boolean createIncomplete : new boolean[] { true, false })
3563	<	for (ExecutionMode m : ExecutionMode.values())
3561	>	public void testCompleteOnTimeout_timesOut() {
3562	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3563	>	() -> testCompleteOnTimeout_timesOut(null));
3564	>	}
3565	>
3566	>	/**
3567	>	* completeOnTimeout completes with given value if not complete
3568	>	*/
3569	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3570	>	long timeoutMillis = timeoutMillis();
3571	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3572	>	long startTime = System.nanoTime();
3573	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3574	>	assertSame(v, f.join());
3575	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3576	>	f.complete(99); // should have no effect
3577	>	checkCompletedNormally(f, v);
3578	>	}
3579	>
3580	>	/**
3581	>	* completeOnTimeout has no effect if completed within timeout
3582	>	*/
3583	>	public void testCompleteOnTimeout_completed() {
3584		for (Integer v1 : new Integer[] { 1, null })
3585		{
3586	<	final AtomicInteger a = new AtomicInteger(0);
3587	<	final CFException ex = new CFException();
3588	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3589	<	if (!createIncomplete) f.complete(v1);
3590	<	final CompletableFuture<Integer> g = m.whenComplete
3591	<	(f,
3592	<	(Integer x, Throwable t) -> {
2866	<	threadAssertSame(x, v1);
2867	<	threadAssertNull(t);
2868	<	a.getAndIncrement();
2869	<	throw ex;
2870	<	});
2871	<	if (createIncomplete) f.complete(v1);
3586	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3587	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3588	>	long startTime = System.nanoTime();
3589	>	f.complete(v1);
3590	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3591	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3592	>	g.complete(v1);
3593		checkCompletedNormally(f, v1);
3594	<	checkCompletedWithWrappedCFException(g, ex);
3595	<	assertEquals(1, a.get());
3594	>	checkCompletedNormally(g, v1);
3595	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3596		}}
3597
3598		/**
3599	<	* If a whenComplete action throws an exception when triggered by
2879	<	* a source completion that also throws an exception, the source
2880	<	* exception takes precedence.
3599	>	* delayedExecutor returns an executor that delays submission
3600		*/
3601	<	public void testWhenComplete_actionFailedSourceFailed() {
3602	<	for (boolean createIncomplete : new boolean[] { true, false })
3601	>	public void testDelayedExecutor() {
3602	>	testInParallel(() -> testDelayedExecutor(null, null),
3603	>	() -> testDelayedExecutor(null, 1),
3604	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3605	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3606	>	}
3607	>
3608	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3609	>	long timeoutMillis = timeoutMillis();
3610	>	// Use an "unreasonably long" long timeout to catch lingering threads
3611	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3612	>	final Executor delayer, longDelayer;
3613	>	if (executor == null) {
3614	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3615	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3616	>	} else {
3617	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3618	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3619	>	}
3620	>	long startTime = System.nanoTime();
3621	>	CompletableFuture<Integer> f =
3622	>	CompletableFuture.supplyAsync(() -> v, delayer);
3623	>	CompletableFuture<Integer> g =
3624	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3625	>
3626	>	assertNull(g.getNow(null));
3627	>
3628	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3629	>	long millisElapsed = millisElapsedSince(startTime);
3630	>	assertTrue(millisElapsed >= timeoutMillis);
3631	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3632	>
3633	>	checkCompletedNormally(f, v);
3634	>
3635	>	checkIncomplete(g);
3636	>	assertTrue(g.cancel(true));
3637	>	}
3638	>
3639	>	//--- tests of implementation details; not part of official tck ---
3640	>
3641	>	Object resultOf(CompletableFuture<?> f) {
3642	>	SecurityManager sm = System.getSecurityManager();
3643	>	if (sm != null) {
3644	>	try {
3645	>	System.setSecurityManager(null);
3646	>	} catch (SecurityException giveUp) {
3647	>	return "Reflection not available";
3648	>	}
3649	>	}
3650	>
3651	>	try {
3652	>	java.lang.reflect.Field resultField
3653	>	= CompletableFuture.class.getDeclaredField("result");
3654	>	resultField.setAccessible(true);
3655	>	return resultField.get(f);
3656	>	} catch (Throwable t) {
3657	>	throw new AssertionError(t);
3658	>	} finally {
3659	>	if (sm != null) System.setSecurityManager(sm);
3660	>	}
3661	>	}
3662	>
3663	>	public void testExceptionPropagationReusesResultObject() {
3664	>	if (!testImplementationDetails) return;
3665		for (ExecutionMode m : ExecutionMode.values())
2885	–	for (Integer v1 : new Integer[] { 1, null })
3666		{
3667	<	final AtomicInteger a = new AtomicInteger(0);
3668	<	final CFException ex1 = new CFException();
3669	<	final CFException ex2 = new CFException();
2890	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3667	>	final CFException ex = new CFException();
3668	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3669	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3670
3671	<	if (!createIncomplete) f.completeExceptionally(ex1);
3672	<	final CompletableFuture<Integer> g = m.whenComplete
2894	<	(f,
2895	<	(Integer x, Throwable t) -> {
2896	<	threadAssertSame(t, ex1);
2897	<	threadAssertNull(x);
2898	<	a.getAndIncrement();
2899	<	throw ex2;
2900	<	});
2901	<	if (createIncomplete) f.completeExceptionally(ex1);
3671	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3672	>	= new ArrayList<>();
3673
3674	<	checkCompletedWithWrappedCFException(f, ex1);
3675	<	checkCompletedWithWrappedCFException(g, ex1);
3676	<	assertEquals(1, a.get());
3674	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3675	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3676	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3677	>
3678	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3679	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3680	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3681	>
3682	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3683	>	funs.add((y) -> m.runAfterBoth(v42, y, new Noop(m)));
3684	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3685	>	funs.add((y) -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3686	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3687	>	funs.add((y) -> m.thenCombine(v42, y, new SubtractFunction(m)));
3688	>
3689	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3690	>
3691	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3692	>
3693	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y}));
3694	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3695	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {v42, y}));
3696	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y}));
3697	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3698	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {incomplete, y}));
3699	>
3700	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3701	>	fun : funs) {
3702	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3703	>	f.completeExceptionally(ex);
3704	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3705	>	checkCompletedWithWrappedException(src, ex);
3706	>	CompletableFuture<?> dep = fun.apply(src);
3707	>	checkCompletedWithWrappedException(dep, ex);
3708	>	assertSame(resultOf(src), resultOf(dep));
3709	>	}
3710	>
3711	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3712	>	fun : funs) {
3713	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3714	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3715	>	CompletableFuture<?> dep = fun.apply(src);
3716	>	f.completeExceptionally(ex);
3717	>	checkCompletedWithWrappedException(src, ex);
3718	>	checkCompletedWithWrappedException(dep, ex);
3719	>	assertSame(resultOf(src), resultOf(dep));
3720	>	}
3721	>
3722	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3723	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3724	>	fun : funs) {
3725	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3726	>	f.cancel(mayInterruptIfRunning);
3727	>	checkCancelled(f);
3728	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3729	>	checkCompletedWithWrappedCancellationException(src);
3730	>	CompletableFuture<?> dep = fun.apply(src);
3731	>	checkCompletedWithWrappedCancellationException(dep);
3732	>	assertSame(resultOf(src), resultOf(dep));
3733	>	}
3734	>
3735	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3736	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3737	>	fun : funs) {
3738	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3739	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3740	>	CompletableFuture<?> dep = fun.apply(src);
3741	>	f.cancel(mayInterruptIfRunning);
3742	>	checkCancelled(f);
3743	>	checkCompletedWithWrappedCancellationException(src);
3744	>	checkCompletedWithWrappedCancellationException(dep);
3745	>	assertSame(resultOf(src), resultOf(dep));
3746	>	}
3747		}}
3748
3749	+	/**
3750	+	* Minimal completion stages throw UOE for all non-CompletionStage methods
3751	+	*/
3752	+	public void testMinimalCompletionStage_minimality() {
3753	+	if (!testImplementationDetails) return;
3754	+	Function<Method, String> toSignature =
3755	+	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3756	+	Predicate<Method> isNotStatic =
3757	+	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3758	+	List<Method> minimalMethods =
3759	+	Stream.of(Object.class, CompletionStage.class)
3760	+	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3761	+	.filter(isNotStatic)
3762	+	.collect(Collectors.toList());
3763	+	// Methods from CompletableFuture permitted NOT to throw UOE
3764	+	String[] signatureWhitelist = {
3765	+	"newIncompleteFuture[]",
3766	+	"defaultExecutor[]",
3767	+	"minimalCompletionStage[]",
3768	+	"copy[]",
3769	+	};
3770	+	Set<String> permittedMethodSignatures =
3771	+	Stream.concat(minimalMethods.stream().map(toSignature),
3772	+	Stream.of(signatureWhitelist))
3773	+	.collect(Collectors.toSet());
3774	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3775	+	.filter(isNotStatic)
3776	+	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3777	+	.collect(Collectors.toList());
3778	+
3779	+	CompletionStage<Integer> minimalStage =
3780	+	new CompletableFuture<Integer>().minimalCompletionStage();
3781	+
3782	+	List<Method> bugs = new ArrayList<>();
3783	+	for (Method method : allMethods) {
3784	+	Class<?>[] parameterTypes = method.getParameterTypes();
3785	+	Object[] args = new Object[parameterTypes.length];
3786	+	// Manufacture boxed primitives for primitive params
3787	+	for (int i = 0; i < args.length; i++) {
3788	+	Class<?> type = parameterTypes[i];
3789	+	if (parameterTypes[i] == boolean.class)
3790	+	args[i] = false;
3791	+	else if (parameterTypes[i] == int.class)
3792	+	args[i] = 0;
3793	+	else if (parameterTypes[i] == long.class)
3794	+	args[i] = 0L;
3795	+	}
3796	+	try {
3797	+	method.invoke(minimalStage, args);
3798	+	bugs.add(method);
3799	+	}
3800	+	catch (java.lang.reflect.InvocationTargetException expected) {
3801	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3802	+	bugs.add(method);
3803	+	// expected.getCause().printStackTrace();
3804	+	}
3805	+	}
3806	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3807	+	}
3808	+	if (!bugs.isEmpty())
3809	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3810	+	}
3811	+
3812	+	static class Monad {
3813	+	static class ZeroException extends RuntimeException {
3814	+	public ZeroException() { super("monadic zero"); }
3815	+	}
3816	+	// "return", "unit"
3817	+	static <T> CompletableFuture<T> unit(T value) {
3818	+	return completedFuture(value);
3819	+	}
3820	+	// monadic zero ?
3821	+	static <T> CompletableFuture<T> zero() {
3822	+	return failedFuture(new ZeroException());
3823	+	}
3824	+	// >=>
3825	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3826	+	(Function<T, CompletableFuture<U>> f,
3827	+	Function<U, CompletableFuture<V>> g) {
3828	+	return (x) -> f.apply(x).thenCompose(g);
3829	+	}
3830	+
3831	+	static void assertZero(CompletableFuture<?> f) {
3832	+	try {
3833	+	f.getNow(null);
3834	+	throw new AssertionFailedError("should throw");
3835	+	} catch (CompletionException success) {
3836	+	assertTrue(success.getCause() instanceof ZeroException);
3837	+	}
3838	+	}
3839	+
3840	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
3841	+	CompletableFuture<T> g) {
3842	+	T fval = null, gval = null;
3843	+	Throwable fex = null, gex = null;
3844	+
3845	+	try { fval = f.get(); }
3846	+	catch (ExecutionException ex) { fex = ex.getCause(); }
3847	+	catch (Throwable ex) { fex = ex; }
3848	+
3849	+	try { gval = g.get(); }
3850	+	catch (ExecutionException ex) { gex = ex.getCause(); }
3851	+	catch (Throwable ex) { gex = ex; }
3852	+
3853	+	if (fex != null \|\| gex != null)
3854	+	assertSame(fex.getClass(), gex.getClass());
3855	+	else
3856	+	assertEquals(fval, gval);
3857	+	}
3858	+
3859	+	static class PlusFuture<T> extends CompletableFuture<T> {
3860	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3861	+	}
3862	+
3863	+	/** Implements "monadic plus". */
3864	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3865	+	CompletableFuture<? extends T> g) {
3866	+	PlusFuture<T> plus = new PlusFuture<T>();
3867	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3868	+	try {
3869	+	if (ex == null) {
3870	+	if (plus.complete(result))
3871	+	if (plus.firstFailure.get() != null)
3872	+	plus.firstFailure.set(null);
3873	+	}
3874	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
3875	+	if (plus.isDone())
3876	+	plus.firstFailure.set(null);
3877	+	}
3878	+	else {
3879	+	// first failure has precedence
3880	+	Throwable first = plus.firstFailure.getAndSet(null);
3881	+
3882	+	// may fail with "Self-suppression not permitted"
3883	+	try { first.addSuppressed(ex); }
3884	+	catch (Exception ignored) {}
3885	+
3886	+	plus.completeExceptionally(first);
3887	+	}
3888	+	} catch (Throwable unexpected) {
3889	+	plus.completeExceptionally(unexpected);
3890	+	}
3891	+	};
3892	+	f.whenComplete(action);
3893	+	g.whenComplete(action);
3894	+	return plus;
3895	+	}
3896	+	}
3897	+
3898	+	/**
3899	+	* CompletableFuture is an additive monad - sort of.
3900	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3901	+	*/
3902	+	public void testAdditiveMonad() throws Throwable {
3903	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3904	+	CompletableFuture<Long> zero = Monad.zero();
3905	+
3906	+	// Some mutually non-commutative functions
3907	+	Function<Long, CompletableFuture<Long>> triple
3908	+	= (x) -> Monad.unit(3 * x);
3909	+	Function<Long, CompletableFuture<Long>> inc
3910	+	= (x) -> Monad.unit(x + 1);
3911	+
3912	+	// unit is a right identity: m >>= unit === m
3913	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3914	+	inc.apply(5L));
3915	+	// unit is a left identity: (unit x) >>= f === f x
3916	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3917	+	inc.apply(5L));
3918	+
3919	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3920	+	Monad.assertFutureEquals(
3921	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3922	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3923	+
3924	+	// The case for CompletableFuture as an additive monad is weaker...
3925	+
3926	+	// zero is a monadic zero
3927	+	Monad.assertZero(zero);
3928	+
3929	+	// left zero: zero >>= f === zero
3930	+	Monad.assertZero(zero.thenCompose(inc));
3931	+	// right zero: f >>= (\x -> zero) === zero
3932	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3933	+
3934	+	// f plus zero === f
3935	+	Monad.assertFutureEquals(Monad.unit(5L),
3936	+	Monad.plus(Monad.unit(5L), zero));
3937	+	// zero plus f === f
3938	+	Monad.assertFutureEquals(Monad.unit(5L),
3939	+	Monad.plus(zero, Monad.unit(5L)));
3940	+	// zero plus zero === zero
3941	+	Monad.assertZero(Monad.plus(zero, zero));
3942	+	{
3943	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3944	+	Monad.unit(8L));
3945	+	// non-determinism
3946	+	assertTrue(f.get() == 5L \|\| f.get() == 8L);
3947	+	}
3948	+
3949	+	CompletableFuture<Long> godot = new CompletableFuture<>();
3950	+	// f plus godot === f (doesn't wait for godot)
3951	+	Monad.assertFutureEquals(Monad.unit(5L),
3952	+	Monad.plus(Monad.unit(5L), godot));
3953	+	// godot plus f === f (doesn't wait for godot)
3954	+	Monad.assertFutureEquals(Monad.unit(5L),
3955	+	Monad.plus(godot, Monad.unit(5L)));
3956	+	}
3957	+
3958	+	/**
3959	+	* A single CompletableFuture with many dependents.
3960	+	* A demo of scalability - runtime is O(n).
3961	+	*/
3962	+	public void testManyDependents() throws Throwable {
3963	+	final int n = 1_000;
3964	+	final CompletableFuture<Void> head = new CompletableFuture<>();
3965	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
3966	+	final AtomicInteger count = new AtomicInteger(0);
3967	+	for (int i = 0; i < n; i++) {
3968	+	head.thenRun(() -> count.getAndIncrement());
3969	+	head.thenAccept((x) -> count.getAndIncrement());
3970	+	head.thenApply((x) -> count.getAndIncrement());
3971	+
3972	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
3973	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
3974	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
3975	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
3976	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
3977	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
3978	+
3979	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
3980	+	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3981	+	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3982	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
3983	+	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
3984	+	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
3985	+	}
3986	+	head.complete(null);
3987	+	assertEquals(5 * 3 * n, count.get());
3988	+	}
3989	+
3990	+	// static <U> U join(CompletionStage<U> stage) {
3991	+	// CompletableFuture<U> f = new CompletableFuture<>();
3992	+	// stage.whenComplete((v, ex) -> {
3993	+	// if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3994	+	// });
3995	+	// return f.join();
3996	+	// }
3997	+
3998	+	// static <U> boolean isDone(CompletionStage<U> stage) {
3999	+	// CompletableFuture<U> f = new CompletableFuture<>();
4000	+	// stage.whenComplete((v, ex) -> {
4001	+	// if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4002	+	// });
4003	+	// return f.isDone();
4004	+	// }
4005	+
4006	+	// static <U> U join2(CompletionStage<U> stage) {
4007	+	// return stage.toCompletableFuture().copy().join();
4008	+	// }
4009	+
4010	+	// static <U> boolean isDone2(CompletionStage<U> stage) {
4011	+	// return stage.toCompletableFuture().copy().isDone();
4012	+	// }
4013	+
4014		}

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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents): Revision 1.57 by jsr166, Mon Jun 2 22:48:50 2014 UTC vs. Revision 1.151 by jsr166, Sun Jun 26 17:45:35 2016 UTC

Diff Legend

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.57 by jsr166, Mon Jun 2 22:48:50 2014 UTC vs.
Revision 1.151 by jsr166, Sun Jun 26 17:45:35 2016 UTC