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root/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 1.194 by jsr166, Tue May 29 03:42:37 2018 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.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
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.Test;
45	+	import junit.framework.TestSuite;
46
47		public class CompletableFutureTest extends JSR166TestCase {
48
49		public static void main(String[] args) {
50	<	junit.textui.TestRunner.run(suite());
50	>	main(suite(), args);
51		}
52		public static Test suite() {
53		return new TestSuite(CompletableFutureTest.class);
#	Line 44 | Line 58 | public class CompletableFutureTest exten
58		void checkIncomplete(CompletableFuture<?> f) {
59		assertFalse(f.isDone());
60		assertFalse(f.isCancelled());
61	<	assertTrue(f.toString().contains("[Not completed]"));
61	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
62		try {
63		assertNull(f.getNow(null));
64		} catch (Throwable fail) { threadUnexpectedException(fail); }
65		try {
66	<	f.get(0L, SECONDS);
66	>	f.get(randomExpiredTimeout(), randomTimeUnit());
67		shouldThrow();
68		}
69		catch (TimeoutException success) {}
#	Line 57 | Line 71 | public class CompletableFutureTest exten
71		}
72
73		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
74	<	try {
75	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
62	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
74	>	checkTimedGet(f, value);
75	>
76		try {
77		assertEquals(value, f.join());
65	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
66	–	try {
78		assertEquals(value, f.getNow(null));
68	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
69	–	try {
79		assertEquals(value, f.get());
80		} catch (Throwable fail) { threadUnexpectedException(fail); }
81		assertTrue(f.isDone());
82		assertFalse(f.isCancelled());
83		assertFalse(f.isCompletedExceptionally());
84	<	assertTrue(f.toString().contains("[Completed normally]"));
84	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
85		}
86
87	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
88	<	try {
89	<	f.get(LONG_DELAY_MS, MILLISECONDS);
90	<	shouldThrow();
91	<	} catch (ExecutionException success) {
92	<	assertTrue(success.getCause() instanceof CFException);
93	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
94	<	try {
86	<	f.join();
87	<	shouldThrow();
88	<	} catch (CompletionException success) {
89	<	assertTrue(success.getCause() instanceof CFException);
90	<	}
91	<	try {
92	<	f.getNow(null);
93	<	shouldThrow();
94	<	} catch (CompletionException success) {
95	<	assertTrue(success.getCause() instanceof CFException);
96	<	}
97	<	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]"));
87	>	/**
88	>	* Returns the "raw" internal exceptional completion of f,
89	>	* without any additional wrapping with CompletionException.
90	>	*/
91	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
92	>	// handle (and whenComplete and exceptionally) can distinguish
93	>	// between "direct" and "wrapped" exceptional completion
94	>	return f.handle((u, t) -> t).join();
95		}
96
97	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
98	<	CFException ex) {
97	>	void checkCompletedExceptionally(CompletableFuture<?> f,
98	>	boolean wrapped,
99	>	Consumer<Throwable> checker) {
100	>	Throwable cause = exceptionalCompletion(f);
101	>	if (wrapped) {
102	>	assertTrue(cause instanceof CompletionException);
103	>	cause = cause.getCause();
104	>	}
105	>	checker.accept(cause);
106	>
107	>	long startTime = System.nanoTime();
108		try {
109		f.get(LONG_DELAY_MS, MILLISECONDS);
110		shouldThrow();
111		} catch (ExecutionException success) {
112	<	assertSame(ex, success.getCause());
112	>	assertSame(cause, success.getCause());
113		} catch (Throwable fail) { threadUnexpectedException(fail); }
114	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
115	+
116		try {
117		f.join();
118		shouldThrow();
119		} catch (CompletionException success) {
120	<	assertSame(ex, success.getCause());
121	<	}
120	>	assertSame(cause, success.getCause());
121	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
122	>
123		try {
124		f.getNow(null);
125		shouldThrow();
126		} catch (CompletionException success) {
127	<	assertSame(ex, success.getCause());
128	<	}
127	>	assertSame(cause, success.getCause());
128	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
129	>
130		try {
131		f.get();
132		shouldThrow();
133		} catch (ExecutionException success) {
134	<	assertSame(ex, success.getCause());
134	>	assertSame(cause, success.getCause());
135		} catch (Throwable fail) { threadUnexpectedException(fail); }
136	<	assertTrue(f.isDone());
136	>
137		assertFalse(f.isCancelled());
138	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
138	>	assertTrue(f.isDone());
139	>	assertTrue(f.isCompletedExceptionally());
140	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
141	>	}
142	>
143	>	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
144	>	checkCompletedExceptionally(f, true,
145	>	t -> assertTrue(t instanceof CFException));
146	>	}
147	>
148	>	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
149	>	checkCompletedExceptionally(f, true,
150	>	t -> assertTrue(t instanceof CancellationException));
151	>	}
152	>
153	>	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
154	>	checkCompletedExceptionally(f, false,
155	>	t -> assertTrue(t instanceof TimeoutException));
156	>	}
157	>
158	>	void checkCompletedWithWrappedException(CompletableFuture<?> f,
159	>	Throwable ex) {
160	>	checkCompletedExceptionally(f, true, t -> assertSame(t, ex));
161	>	}
162	>
163	>	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
164	>	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
165		}
166
167		void checkCancelled(CompletableFuture<?> f) {
168	+	long startTime = System.nanoTime();
169		try {
170		f.get(LONG_DELAY_MS, MILLISECONDS);
171		shouldThrow();
172		} catch (CancellationException success) {
173		} catch (Throwable fail) { threadUnexpectedException(fail); }
174	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
175	+
176		try {
177		f.join();
178		shouldThrow();
#	Line 155 | Line 186 | public class CompletableFutureTest exten
186		shouldThrow();
187		} catch (CancellationException success) {
188		} 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	–	}
189
190	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
191	<	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); }
190	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
191	>
192		assertTrue(f.isDone());
190	–	assertFalse(f.isCancelled());
193		assertTrue(f.isCompletedExceptionally());
194	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
194	>	assertTrue(f.isCancelled());
195	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
196		}
197
198		/**
#	Line 206 | Line 209 | public class CompletableFutureTest exten
209		* isCancelled, join, get, and getNow
210		*/
211		public void testComplete() {
212	+	for (Integer v1 : new Integer[] { 1, null })
213	+	{
214		CompletableFuture<Integer> f = new CompletableFuture<>();
215		checkIncomplete(f);
216	<	f.complete(one);
217	<	checkCompletedNormally(f, one);
218	<	}
216	>	assertTrue(f.complete(v1));
217	>	assertFalse(f.complete(v1));
218	>	checkCompletedNormally(f, v1);
219	>	}}
220
221		/**
222		* completeExceptionally completes exceptionally, as indicated by
#	Line 218 | Line 224 | public class CompletableFutureTest exten
224		*/
225		public void testCompleteExceptionally() {
226		CompletableFuture<Integer> f = new CompletableFuture<>();
227	+	CFException ex = new CFException();
228		checkIncomplete(f);
229	<	f.completeExceptionally(new CFException());
230	<	checkCompletedWithWrappedCFException(f);
229	>	f.completeExceptionally(ex);
230	>	checkCompletedExceptionally(f, ex);
231		}
232
233		/**
#	Line 228 | Line 235 | public class CompletableFutureTest exten
235		* methods isDone, isCancelled, join, get, and getNow
236		*/
237		public void testCancel() {
238	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
239	+	{
240		CompletableFuture<Integer> f = new CompletableFuture<>();
241		checkIncomplete(f);
242	<	assertTrue(f.cancel(true));
242	>	assertTrue(f.cancel(mayInterruptIfRunning));
243	>	assertTrue(f.cancel(mayInterruptIfRunning));
244	>	assertTrue(f.cancel(!mayInterruptIfRunning));
245		checkCancelled(f);
246	<	}
246	>	}}
247
248		/**
249		* obtrudeValue forces completion with given value
#	Line 240 | Line 251 | public class CompletableFutureTest exten
251		public void testObtrudeValue() {
252		CompletableFuture<Integer> f = new CompletableFuture<>();
253		checkIncomplete(f);
254	<	f.complete(one);
254	>	assertTrue(f.complete(one));
255		checkCompletedNormally(f, one);
256		f.obtrudeValue(three);
257		checkCompletedNormally(f, three);
#	Line 261 | Line 272 | public class CompletableFutureTest exten
272		* obtrudeException forces completion with given exception
273		*/
274		public void testObtrudeException() {
275	<	CompletableFuture<Integer> f = new CompletableFuture<>();
276	<	checkIncomplete(f);
277	<	f.complete(one);
278	<	checkCompletedNormally(f, one);
279	<	f.obtrudeException(new CFException());
269	<	checkCompletedWithWrappedCFException(f);
275	>	for (Integer v1 : new Integer[] { 1, null })
276	>	{
277	>	CFException ex;
278	>	CompletableFuture<Integer> f;
279	>
280		f = new CompletableFuture<>();
281	<	f.obtrudeException(new CFException());
282	<	checkCompletedWithWrappedCFException(f);
281	>	assertTrue(f.complete(v1));
282	>	for (int i = 0; i < 2; i++) {
283	>	f.obtrudeException(ex = new CFException());
284	>	checkCompletedExceptionally(f, ex);
285	>	}
286	>
287	>	f = new CompletableFuture<>();
288	>	for (int i = 0; i < 2; i++) {
289	>	f.obtrudeException(ex = new CFException());
290	>	checkCompletedExceptionally(f, ex);
291	>	}
292	>
293		f = new CompletableFuture<>();
294		f.completeExceptionally(new CFException());
295	<	f.obtrudeValue(four);
296	<	checkCompletedNormally(f, four);
297	<	f.obtrudeException(new CFException());
298	<	checkCompletedWithWrappedCFException(f);
299	<	}
295	>	f.obtrudeValue(v1);
296	>	checkCompletedNormally(f, v1);
297	>	f.obtrudeException(ex = new CFException());
298	>	checkCompletedExceptionally(f, ex);
299	>	f.completeExceptionally(new CFException());
300	>	checkCompletedExceptionally(f, ex);
301	>	assertFalse(f.complete(v1));
302	>	checkCompletedExceptionally(f, ex);
303	>	}}
304
305		/**
306		* getNumberOfDependents returns number of dependent tasks
307		*/
308		public void testGetNumberOfDependents() {
309	+	for (ExecutionMode m : ExecutionMode.values())
310	+	for (Integer v1 : new Integer[] { 1, null })
311	+	{
312		CompletableFuture<Integer> f = new CompletableFuture<>();
313		assertEquals(0, f.getNumberOfDependents());
314	<	CompletableFuture g = f.thenRun(new Noop(ExecutionMode.DEFAULT));
314	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
315		assertEquals(1, f.getNumberOfDependents());
316		assertEquals(0, g.getNumberOfDependents());
317	<	CompletableFuture h = f.thenRun(new Noop(ExecutionMode.DEFAULT));
317	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
318		assertEquals(2, f.getNumberOfDependents());
319	<	f.complete(1);
319	>	assertEquals(0, h.getNumberOfDependents());
320	>	assertTrue(f.complete(v1));
321		checkCompletedNormally(g, null);
322	+	checkCompletedNormally(h, null);
323		assertEquals(0, f.getNumberOfDependents());
324		assertEquals(0, g.getNumberOfDependents());
325	<	}
325	>	assertEquals(0, h.getNumberOfDependents());
326	>	}}
327
328		/**
329		* toString indicates current completion state
330		*/
331	<	public void testToString() {
332	<	CompletableFuture<String> f;
333	<
334	<	f = new CompletableFuture<String>();
335	<	assertTrue(f.toString().contains("[Not completed]"));
336	<
337	<	f.complete("foo");
338	<	assertTrue(f.toString().contains("[Completed normally]"));
339	<
340	<	f = new CompletableFuture<String>();
341	<	f.completeExceptionally(new IndexOutOfBoundsException());
342	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
331	>	public void testToString_incomplete() {
332	>	CompletableFuture<String> f = new CompletableFuture<>();
333	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
334	>	if (testImplementationDetails)
335	>	assertEquals(identityString(f) + "[Not completed]",
336	>	f.toString());
337	>	}
338	>
339	>	public void testToString_normal() {
340	>	CompletableFuture<String> f = new CompletableFuture<>();
341	>	assertTrue(f.complete("foo"));
342	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
343	>	if (testImplementationDetails)
344	>	assertEquals(identityString(f) + "[Completed normally]",
345	>	f.toString());
346	>	}
347	>
348	>	public void testToString_exception() {
349	>	CompletableFuture<String> f = new CompletableFuture<>();
350	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
351	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
352	>	if (testImplementationDetails)
353	>	assertTrue(f.toString().startsWith(
354	>	identityString(f) + "[Completed exceptionally: "));
355	>	}
356	>
357	>	public void testToString_cancelled() {
358	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
359	>	CompletableFuture<String> f = new CompletableFuture<>();
360	>	assertTrue(f.cancel(mayInterruptIfRunning));
361	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
362	>	if (testImplementationDetails)
363	>	assertTrue(f.toString().startsWith(
364	>	identityString(f) + "[Completed exceptionally: "));
365	>	}
366		}
367
368		/**
#	Line 320 | Line 373 | public class CompletableFutureTest exten
373		checkCompletedNormally(f, "test");
374		}
375
376	<	// Choose non-commutative actions for better coverage
376	>	abstract static class CheckedAction {
377	>	int invocationCount = 0;
378	>	final ExecutionMode m;
379	>	CheckedAction(ExecutionMode m) { this.m = m; }
380	>	void invoked() {
381	>	m.checkExecutionMode();
382	>	assertEquals(0, invocationCount++);
383	>	}
384	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
385	>	void assertInvoked() { assertEquals(1, invocationCount); }
386	>	}
387
388	<	// A non-commutative function that handles and produces null values as well.
389	<	static Integer subtract(Integer x, Integer y) {
390	<	return (x == null && y == null) ? null :
391	<	((x == null) ? 42 : x.intValue())
392	<	- ((y == null) ? 99 : y.intValue());
388	>	abstract static class CheckedIntegerAction extends CheckedAction {
389	>	Integer value;
390	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
391	>	void assertValue(Integer expected) {
392	>	assertInvoked();
393	>	assertEquals(expected, value);
394	>	}
395	>	}
396	>
397	>	static class IntegerSupplier extends CheckedAction
398	>	implements Supplier<Integer>
399	>	{
400	>	final Integer value;
401	>	IntegerSupplier(ExecutionMode m, Integer value) {
402	>	super(m);
403	>	this.value = value;
404	>	}
405	>	public Integer get() {
406	>	invoked();
407	>	return value;
408	>	}
409		}
410
411		// A function that handles and produces null values as well.
#	Line 334 | Line 413 | public class CompletableFutureTest exten
413		return (x == null) ? null : x + 1;
414		}
415
416	<	static final Supplier<Integer> supplyOne =
417	<	() -> Integer.valueOf(1);
418	<	static final Function<Integer, Integer> inc =
419	<	(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;
416	>	static class NoopConsumer extends CheckedIntegerAction
417	>	implements Consumer<Integer>
418	>	{
419	>	NoopConsumer(ExecutionMode m) { super(m); }
420		public void accept(Integer x) {
421	<	invocationCount++;
422	<	value = inc(x);
421	>	invoked();
422	>	value = x;
423		}
424		}
425	<	static final class IncFunction implements Function<Integer,Integer> {
426	<	final ExecutionMode m;
427	<	int invocationCount = 0;
428	<	Integer value;
429	<	IncFunction(ExecutionMode m) { this.m = m; }
425	>
426	>	static class IncFunction extends CheckedIntegerAction
427	>	implements Function<Integer,Integer>
428	>	{
429	>	IncFunction(ExecutionMode m) { super(m); }
430		public Integer apply(Integer x) {
431	<	m.checkExecutionMode();
358	<	invocationCount++;
431	>	invoked();
432		return value = inc(x);
433		}
434		}
435	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
436	<	final ExecutionMode m;
437	<	int invocationCount = 0;
438	<	Integer value;
439	<	// Check this action was invoked exactly once when result is computed.
440	<	SubtractAction(ExecutionMode m) { this.m = m; }
435	>
436	>	// Choose non-commutative actions for better coverage
437	>	// A non-commutative function that handles and produces null values as well.
438	>	static Integer subtract(Integer x, Integer y) {
439	>	return (x == null && y == null) ? null :
440	>	((x == null) ? 42 : x.intValue())
441	>	- ((y == null) ? 99 : y.intValue());
442	>	}
443	>
444	>	static class SubtractAction extends CheckedIntegerAction
445	>	implements BiConsumer<Integer, Integer>
446	>	{
447	>	SubtractAction(ExecutionMode m) { super(m); }
448		public void accept(Integer x, Integer y) {
449	<	m.checkExecutionMode();
370	<	invocationCount++;
449	>	invoked();
450		value = subtract(x, y);
451		}
452		}
453	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
454	<	final ExecutionMode m;
455	<	int invocationCount = 0;
456	<	Integer value;
457	<	// Check this action was invoked exactly once when result is computed.
379	<	SubtractFunction(ExecutionMode m) { this.m = m; }
453	>
454	>	static class SubtractFunction extends CheckedIntegerAction
455	>	implements BiFunction<Integer, Integer, Integer>
456	>	{
457	>	SubtractFunction(ExecutionMode m) { super(m); }
458		public Integer apply(Integer x, Integer y) {
459	<	m.checkExecutionMode();
382	<	invocationCount++;
459	>	invoked();
460		return value = subtract(x, y);
461		}
462		}
463	<	static final class Noop implements Runnable {
464	<	final ExecutionMode m;
465	<	int invocationCount = 0;
389	<	Noop(ExecutionMode m) { this.m = m; }
463	>
464	>	static class Noop extends CheckedAction implements Runnable {
465	>	Noop(ExecutionMode m) { super(m); }
466		public void run() {
467	<	m.checkExecutionMode();
392	<	invocationCount++;
467	>	invoked();
468		}
469		}
470
471	<	static final class FailingSupplier implements Supplier<Integer> {
472	<	final ExecutionMode m;
473	<	int invocationCount = 0;
474	<	FailingSupplier(ExecutionMode m) { this.m = m; }
471	>	static class FailingSupplier extends CheckedAction
472	>	implements Supplier<Integer>
473	>	{
474	>	final CFException ex;
475	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
476		public Integer get() {
477	<	m.checkExecutionMode();
478	<	invocationCount++;
403	<	throw new CFException();
477	>	invoked();
478	>	throw ex;
479		}
480		}
481	<	static final class FailingConsumer implements Consumer<Integer> {
482	<	final ExecutionMode m;
483	<	int invocationCount = 0;
484	<	FailingConsumer(ExecutionMode m) { this.m = m; }
481	>
482	>	static class FailingConsumer extends CheckedIntegerAction
483	>	implements Consumer<Integer>
484	>	{
485	>	final CFException ex;
486	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
487		public void accept(Integer x) {
488	<	m.checkExecutionMode();
489	<	invocationCount++;
490	<	throw new CFException();
488	>	invoked();
489	>	value = x;
490	>	throw ex;
491		}
492		}
493	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
494	<	final ExecutionMode m;
495	<	int invocationCount = 0;
496	<	FailingBiConsumer(ExecutionMode m) { this.m = m; }
493	>
494	>	static class FailingBiConsumer extends CheckedIntegerAction
495	>	implements BiConsumer<Integer, Integer>
496	>	{
497	>	final CFException ex;
498	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
499		public void accept(Integer x, Integer y) {
500	<	m.checkExecutionMode();
501	<	invocationCount++;
502	<	throw new CFException();
500	>	invoked();
501	>	value = subtract(x, y);
502	>	throw ex;
503		}
504		}
505	<	static final class FailingFunction implements Function<Integer, Integer> {
506	<	final ExecutionMode m;
507	<	int invocationCount = 0;
508	<	FailingFunction(ExecutionMode m) { this.m = m; }
505	>
506	>	static class FailingFunction extends CheckedIntegerAction
507	>	implements Function<Integer, Integer>
508	>	{
509	>	final CFException ex;
510	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
511		public Integer apply(Integer x) {
512	<	m.checkExecutionMode();
513	<	invocationCount++;
514	<	throw new CFException();
512	>	invoked();
513	>	value = x;
514	>	throw ex;
515		}
516		}
517	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
518	<	final ExecutionMode m;
519	<	int invocationCount = 0;
520	<	FailingBiFunction(ExecutionMode m) { this.m = m; }
517	>
518	>	static class FailingBiFunction extends CheckedIntegerAction
519	>	implements BiFunction<Integer, Integer, Integer>
520	>	{
521	>	final CFException ex;
522	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
523		public Integer apply(Integer x, Integer y) {
524	<	m.checkExecutionMode();
525	<	invocationCount++;
526	<	throw new CFException();
524	>	invoked();
525	>	value = subtract(x, y);
526	>	throw ex;
527		}
528		}
529	<	static final class FailingRunnable implements Runnable {
530	<	final ExecutionMode m;
531	<	int invocationCount = 0;
532	<	FailingRunnable(ExecutionMode m) { this.m = m; }
529	>
530	>	static class FailingRunnable extends CheckedAction implements Runnable {
531	>	final CFException ex;
532	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
533		public void run() {
534	<	m.checkExecutionMode();
535	<	invocationCount++;
453	<	throw new CFException();
534	>	invoked();
535	>	throw ex;
536		}
537		}
538
539	<	static final class CompletableFutureInc
540	<	implements Function<Integer, CompletableFuture<Integer>> {
541	<	final ExecutionMode m;
542	<	int invocationCount = 0;
461	<	CompletableFutureInc(ExecutionMode m) { this.m = m; }
539	>	static class CompletableFutureInc extends CheckedIntegerAction
540	>	implements Function<Integer, CompletableFuture<Integer>>
541	>	{
542	>	CompletableFutureInc(ExecutionMode m) { super(m); }
543		public CompletableFuture<Integer> apply(Integer x) {
544	<	m.checkExecutionMode();
545	<	invocationCount++;
544	>	invoked();
545	>	value = x;
546		CompletableFuture<Integer> f = new CompletableFuture<>();
547	<	f.complete(inc(x));
547	>	assertTrue(f.complete(inc(x)));
548		return f;
549		}
550		}
551
552	<	static final class FailingCompletableFutureFunction
553	<	implements Function<Integer, CompletableFuture<Integer>> {
554	<	final ExecutionMode m;
555	<	int invocationCount = 0;
556	<	FailingCompletableFutureFunction(ExecutionMode m) { this.m = m; }
552	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
553	>	implements Function<Integer, CompletableFuture<Integer>>
554	>	{
555	>	final CFException ex;
556	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
557		public CompletableFuture<Integer> apply(Integer x) {
558	<	m.checkExecutionMode();
559	<	invocationCount++;
560	<	throw new CFException();
558	>	invoked();
559	>	value = x;
560	>	throw ex;
561	>	}
562	>	}
563	>
564	>	static class CountingRejectingExecutor implements Executor {
565	>	final RejectedExecutionException ex = new RejectedExecutionException();
566	>	final AtomicInteger count = new AtomicInteger(0);
567	>	public void execute(Runnable r) {
568	>	count.getAndIncrement();
569	>	throw ex;
570		}
571		}
572
#	Line 494 | Line 584 | public class CompletableFutureTest exten
584		}
585		}
586
587	+	static final boolean defaultExecutorIsCommonPool
588	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
589	+
590		/**
591		* Permits the testing of parallel code for the 3 different
592	<	* execution modes without repeating all the testing code.
592	>	* execution modes without copy/pasting all the test methods.
593		*/
594		enum ExecutionMode {
595	<	DEFAULT {
595	>	SYNC {
596		public void checkExecutionMode() {
597	+	assertFalse(ThreadExecutor.startedCurrentThread());
598		assertNull(ForkJoinTask.getPool());
599		}
600		public CompletableFuture<Void> runAsync(Runnable a) {
601		throw new UnsupportedOperationException();
602		}
603	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
604	+	throw new UnsupportedOperationException();
605	+	}
606		public <T> CompletableFuture<Void> thenRun
607		(CompletableFuture<T> f, Runnable a) {
608		return f.thenRun(a);
#	Line 571 | Line 668 | public class CompletableFutureTest exten
668
669		ASYNC {
670		public void checkExecutionMode() {
671	<	assertSame(ForkJoinPool.commonPool(),
672	<	ForkJoinTask.getPool());
671	>	assertEquals(defaultExecutorIsCommonPool,
672	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
673		}
674		public CompletableFuture<Void> runAsync(Runnable a) {
675		return CompletableFuture.runAsync(a);
676		}
677	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
678	+	return CompletableFuture.supplyAsync(a);
679	+	}
680		public <T> CompletableFuture<Void> thenRun
681		(CompletableFuture<T> f, Runnable a) {
682		return f.thenRunAsync(a);
#	Line 647 | Line 747 | public class CompletableFutureTest exten
747		public CompletableFuture<Void> runAsync(Runnable a) {
748		return CompletableFuture.runAsync(a, new ThreadExecutor());
749		}
750	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
751	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
752	+	}
753		public <T> CompletableFuture<Void> thenRun
754		(CompletableFuture<T> f, Runnable a) {
755		return f.thenRunAsync(a, new ThreadExecutor());
#	Line 712 | Line 815 | public class CompletableFutureTest exten
815
816		public abstract void checkExecutionMode();
817		public abstract CompletableFuture<Void> runAsync(Runnable a);
818	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
819		public abstract <T> CompletableFuture<Void> thenRun
820		(CompletableFuture<T> f, Runnable a);
821		public abstract <T> CompletableFuture<Void> thenAccept
#	Line 761 | Line 865 | public class CompletableFutureTest exten
865		{
866		final AtomicInteger a = new AtomicInteger(0);
867		final CompletableFuture<Integer> f = new CompletableFuture<>();
868	<	if (!createIncomplete) f.complete(v1);
868	>	if (!createIncomplete) assertTrue(f.complete(v1));
869		final CompletableFuture<Integer> g = f.exceptionally
870		((Throwable t) -> {
767	–	// Should not be called
871		a.getAndIncrement();
872	<	throw new AssertionError();
872	>	threadFail("should not be called");
873	>	return null;            // unreached
874		});
875	<	if (createIncomplete) f.complete(v1);
875	>	if (createIncomplete) assertTrue(f.complete(v1));
876
877		checkCompletedNormally(g, v1);
878		checkCompletedNormally(f, v1);
879		assertEquals(0, a.get());
880		}}
881
778	–
882		/**
883		* exceptionally action completes with function value on source
884		* exception
#	Line 790 | Line 893 | public class CompletableFutureTest exten
893		if (!createIncomplete) f.completeExceptionally(ex);
894		final CompletableFuture<Integer> g = f.exceptionally
895		((Throwable t) -> {
896	<	ExecutionMode.DEFAULT.checkExecutionMode();
896	>	ExecutionMode.SYNC.checkExecutionMode();
897		threadAssertSame(t, ex);
898		a.getAndIncrement();
899		return v1;
#	Line 801 | Line 904 | public class CompletableFutureTest exten
904		assertEquals(1, a.get());
905		}}
906
907	+	/**
908	+	* If an "exceptionally action" throws an exception, it completes
909	+	* exceptionally with that exception
910	+	*/
911		public void testExceptionally_exceptionalCompletionActionFailed() {
912		for (boolean createIncomplete : new boolean[] { true, false })
806	–	for (Integer v1 : new Integer[] { 1, null })
913		{
914		final AtomicInteger a = new AtomicInteger(0);
915		final CFException ex1 = new CFException();
#	Line 812 | Line 918 | public class CompletableFutureTest exten
918		if (!createIncomplete) f.completeExceptionally(ex1);
919		final CompletableFuture<Integer> g = f.exceptionally
920		((Throwable t) -> {
921	<	ExecutionMode.DEFAULT.checkExecutionMode();
921	>	ExecutionMode.SYNC.checkExecutionMode();
922		threadAssertSame(t, ex1);
923		a.getAndIncrement();
924		throw ex2;
925		});
926		if (createIncomplete) f.completeExceptionally(ex1);
927
928	<	checkCompletedWithWrappedCFException(g, ex2);
928	>	checkCompletedWithWrappedException(g, ex2);
929	>	checkCompletedExceptionally(f, ex1);
930	>	assertEquals(1, a.get());
931	>	}}
932	>
933	>	/**
934	>	* whenComplete action executes on normal completion, propagating
935	>	* source result.
936	>	*/
937	>	public void testWhenComplete_normalCompletion() {
938	>	for (ExecutionMode m : ExecutionMode.values())
939	>	for (boolean createIncomplete : new boolean[] { true, false })
940	>	for (Integer v1 : new Integer[] { 1, null })
941	>	{
942	>	final AtomicInteger a = new AtomicInteger(0);
943	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
944	>	if (!createIncomplete) assertTrue(f.complete(v1));
945	>	final CompletableFuture<Integer> g = m.whenComplete
946	>	(f,
947	>	(Integer result, Throwable t) -> {
948	>	m.checkExecutionMode();
949	>	threadAssertSame(result, v1);
950	>	threadAssertNull(t);
951	>	a.getAndIncrement();
952	>	});
953	>	if (createIncomplete) assertTrue(f.complete(v1));
954	>
955	>	checkCompletedNormally(g, v1);
956	>	checkCompletedNormally(f, v1);
957	>	assertEquals(1, a.get());
958	>	}}
959	>
960	>	/**
961	>	* whenComplete action executes on exceptional completion, propagating
962	>	* source result.
963	>	*/
964	>	public void testWhenComplete_exceptionalCompletion() {
965	>	for (ExecutionMode m : ExecutionMode.values())
966	>	for (boolean createIncomplete : new boolean[] { true, false })
967	>	{
968	>	final AtomicInteger a = new AtomicInteger(0);
969	>	final CFException ex = new CFException();
970	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
971	>	if (!createIncomplete) f.completeExceptionally(ex);
972	>	final CompletableFuture<Integer> g = m.whenComplete
973	>	(f,
974	>	(Integer result, Throwable t) -> {
975	>	m.checkExecutionMode();
976	>	threadAssertNull(result);
977	>	threadAssertSame(t, ex);
978	>	a.getAndIncrement();
979	>	});
980	>	if (createIncomplete) f.completeExceptionally(ex);
981	>
982	>	checkCompletedWithWrappedException(g, ex);
983	>	checkCompletedExceptionally(f, ex);
984	>	assertEquals(1, a.get());
985	>	}}
986	>
987	>	/**
988	>	* whenComplete action executes on cancelled source, propagating
989	>	* CancellationException.
990	>	*/
991	>	public void testWhenComplete_sourceCancelled() {
992	>	for (ExecutionMode m : ExecutionMode.values())
993	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
994	>	for (boolean createIncomplete : new boolean[] { true, false })
995	>	{
996	>	final AtomicInteger a = new AtomicInteger(0);
997	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
998	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
999	>	final CompletableFuture<Integer> g = m.whenComplete
1000	>	(f,
1001	>	(Integer result, Throwable t) -> {
1002	>	m.checkExecutionMode();
1003	>	threadAssertNull(result);
1004	>	threadAssertTrue(t instanceof CancellationException);
1005	>	a.getAndIncrement();
1006	>	});
1007	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1008	>
1009	>	checkCompletedWithWrappedCancellationException(g);
1010	>	checkCancelled(f);
1011	>	assertEquals(1, a.get());
1012	>	}}
1013	>
1014	>	/**
1015	>	* If a whenComplete action throws an exception when triggered by
1016	>	* a normal completion, it completes exceptionally
1017	>	*/
1018	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1019	>	for (boolean createIncomplete : new boolean[] { true, false })
1020	>	for (ExecutionMode m : ExecutionMode.values())
1021	>	for (Integer v1 : new Integer[] { 1, null })
1022	>	{
1023	>	final AtomicInteger a = new AtomicInteger(0);
1024	>	final CFException ex = new CFException();
1025	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1026	>	if (!createIncomplete) assertTrue(f.complete(v1));
1027	>	final CompletableFuture<Integer> g = m.whenComplete
1028	>	(f,
1029	>	(Integer result, Throwable t) -> {
1030	>	m.checkExecutionMode();
1031	>	threadAssertSame(result, v1);
1032	>	threadAssertNull(t);
1033	>	a.getAndIncrement();
1034	>	throw ex;
1035	>	});
1036	>	if (createIncomplete) assertTrue(f.complete(v1));
1037	>
1038	>	checkCompletedWithWrappedException(g, ex);
1039	>	checkCompletedNormally(f, v1);
1040	>	assertEquals(1, a.get());
1041	>	}}
1042	>
1043	>	/**
1044	>	* If a whenComplete action throws an exception when triggered by
1045	>	* a source completion that also throws an exception, the source
1046	>	* exception takes precedence (unlike handle)
1047	>	*/
1048	>	public void testWhenComplete_sourceFailedActionFailed() {
1049	>	for (boolean createIncomplete : new boolean[] { true, false })
1050	>	for (ExecutionMode m : ExecutionMode.values())
1051	>	{
1052	>	final AtomicInteger a = new AtomicInteger(0);
1053	>	final CFException ex1 = new CFException();
1054	>	final CFException ex2 = new CFException();
1055	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1056	>
1057	>	if (!createIncomplete) f.completeExceptionally(ex1);
1058	>	final CompletableFuture<Integer> g = m.whenComplete
1059	>	(f,
1060	>	(Integer result, Throwable t) -> {
1061	>	m.checkExecutionMode();
1062	>	threadAssertSame(t, ex1);
1063	>	threadAssertNull(result);
1064	>	a.getAndIncrement();
1065	>	throw ex2;
1066	>	});
1067	>	if (createIncomplete) f.completeExceptionally(ex1);
1068	>
1069	>	checkCompletedWithWrappedException(g, ex1);
1070	>	checkCompletedExceptionally(f, ex1);
1071	>	if (testImplementationDetails) {
1072	>	assertEquals(1, ex1.getSuppressed().length);
1073	>	assertSame(ex2, ex1.getSuppressed()[0]);
1074	>	}
1075		assertEquals(1, a.get());
1076		}}
1077
#	Line 834 | Line 1086 | public class CompletableFutureTest exten
1086		{
1087		final CompletableFuture<Integer> f = new CompletableFuture<>();
1088		final AtomicInteger a = new AtomicInteger(0);
1089	<	if (!createIncomplete) f.complete(v1);
1089	>	if (!createIncomplete) assertTrue(f.complete(v1));
1090		final CompletableFuture<Integer> g = m.handle
1091		(f,
1092	<	(Integer x, Throwable t) -> {
1092	>	(Integer result, Throwable t) -> {
1093		m.checkExecutionMode();
1094	<	threadAssertSame(x, v1);
1094	>	threadAssertSame(result, v1);
1095		threadAssertNull(t);
1096		a.getAndIncrement();
1097		return inc(v1);
1098		});
1099	<	if (createIncomplete) f.complete(v1);
1099	>	if (createIncomplete) assertTrue(f.complete(v1));
1100
1101		checkCompletedNormally(g, inc(v1));
1102		checkCompletedNormally(f, v1);
#	Line 866 | Line 1118 | public class CompletableFutureTest exten
1118		if (!createIncomplete) f.completeExceptionally(ex);
1119		final CompletableFuture<Integer> g = m.handle
1120		(f,
1121	<	(Integer x, Throwable t) -> {
1121	>	(Integer result, Throwable t) -> {
1122		m.checkExecutionMode();
1123	<	threadAssertNull(x);
1123	>	threadAssertNull(result);
1124		threadAssertSame(t, ex);
1125		a.getAndIncrement();
1126		return v1;
#	Line 876 | Line 1128 | public class CompletableFutureTest exten
1128		if (createIncomplete) f.completeExceptionally(ex);
1129
1130		checkCompletedNormally(g, v1);
1131	<	checkCompletedWithWrappedCFException(f, ex);
1131	>	checkCompletedExceptionally(f, ex);
1132		assertEquals(1, a.get());
1133		}}
1134
#	Line 895 | Line 1147 | public class CompletableFutureTest exten
1147		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1148		final CompletableFuture<Integer> g = m.handle
1149		(f,
1150	<	(Integer x, Throwable t) -> {
1150	>	(Integer result, Throwable t) -> {
1151		m.checkExecutionMode();
1152	<	threadAssertNull(x);
1152	>	threadAssertNull(result);
1153		threadAssertTrue(t instanceof CancellationException);
1154		a.getAndIncrement();
1155		return v1;
#	Line 910 | Line 1162 | public class CompletableFutureTest exten
1162		}}
1163
1164		/**
1165	<	* handle result completes exceptionally if action does
1165	>	* If a "handle action" throws an exception when triggered by
1166	>	* a normal completion, it completes exceptionally
1167		*/
1168	<	public void testHandle_sourceFailedActionFailed() {
1168	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1169		for (ExecutionMode m : ExecutionMode.values())
1170		for (boolean createIncomplete : new boolean[] { true, false })
1171	+	for (Integer v1 : new Integer[] { 1, null })
1172		{
1173		final CompletableFuture<Integer> f = new CompletableFuture<>();
1174		final AtomicInteger a = new AtomicInteger(0);
1175	<	final CFException ex1 = new CFException();
1176	<	final CFException ex2 = new CFException();
923	<	if (!createIncomplete) f.completeExceptionally(ex1);
1175	>	final CFException ex = new CFException();
1176	>	if (!createIncomplete) assertTrue(f.complete(v1));
1177		final CompletableFuture<Integer> g = m.handle
1178		(f,
1179	<	(Integer x, Throwable t) -> {
1179	>	(Integer result, Throwable t) -> {
1180		m.checkExecutionMode();
1181	<	threadAssertNull(x);
1182	<	threadAssertSame(ex1, t);
1181	>	threadAssertSame(result, v1);
1182	>	threadAssertNull(t);
1183		a.getAndIncrement();
1184	<	throw ex2;
1184	>	throw ex;
1185		});
1186	<	if (createIncomplete) f.completeExceptionally(ex1);
1186	>	if (createIncomplete) assertTrue(f.complete(v1));
1187
1188	<	checkCompletedWithWrappedCFException(g, ex2);
1189	<	checkCompletedWithWrappedCFException(f, ex1);
1188	>	checkCompletedWithWrappedException(g, ex);
1189	>	checkCompletedNormally(f, v1);
1190		assertEquals(1, a.get());
1191		}}
1192
1193	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1194	<	for (ExecutionMode m : ExecutionMode.values())
1193	>	/**
1194	>	* If a "handle action" throws an exception when triggered by
1195	>	* a source completion that also throws an exception, the action
1196	>	* exception takes precedence (unlike whenComplete)
1197	>	*/
1198	>	public void testHandle_sourceFailedActionFailed() {
1199		for (boolean createIncomplete : new boolean[] { true, false })
1200	<	for (Integer v1 : new Integer[] { 1, null })
1200	>	for (ExecutionMode m : ExecutionMode.values())
1201		{
945	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1202		final AtomicInteger a = new AtomicInteger(0);
1203	<	final CFException ex = new CFException();
1204	<	if (!createIncomplete) f.complete(v1);
1203	>	final CFException ex1 = new CFException();
1204	>	final CFException ex2 = new CFException();
1205	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1206	>
1207	>	if (!createIncomplete) f.completeExceptionally(ex1);
1208		final CompletableFuture<Integer> g = m.handle
1209		(f,
1210	<	(Integer x, Throwable t) -> {
1210	>	(Integer result, Throwable t) -> {
1211		m.checkExecutionMode();
1212	<	threadAssertSame(x, v1);
1213	<	threadAssertNull(t);
1212	>	threadAssertNull(result);
1213	>	threadAssertSame(ex1, t);
1214		a.getAndIncrement();
1215	<	throw ex;
1215	>	throw ex2;
1216		});
1217	<	if (createIncomplete) f.complete(v1);
1217	>	if (createIncomplete) f.completeExceptionally(ex1);
1218
1219	<	checkCompletedWithWrappedCFException(g, ex);
1220	<	checkCompletedNormally(f, v1);
1219	>	checkCompletedWithWrappedException(g, ex2);
1220	>	checkCompletedExceptionally(f, ex1);
1221		assertEquals(1, a.get());
1222		}}
1223
#	Line 976 | Line 1235 | public class CompletableFutureTest exten
1235		final CompletableFuture<Void> f = m.runAsync(r);
1236		assertNull(f.join());
1237		checkCompletedNormally(f, null);
1238	<	assertEquals(1, r.invocationCount);
1238	>	r.assertInvoked();
1239		}}
1240
1241		/**
#	Line 991 | Line 1250 | public class CompletableFutureTest exten
1250		{
1251		final FailingRunnable r = new FailingRunnable(m);
1252		final CompletableFuture<Void> f = m.runAsync(r);
1253	<	checkCompletedWithWrappedCFException(f);
1254	<	assertEquals(1, r.invocationCount);
1253	>	checkCompletedWithWrappedException(f, r.ex);
1254	>	r.assertInvoked();
1255		}}
1256
1257	<	/**
1258	<	* supplyAsync completes with result of supplier
1259	<	*/
1260	<	public void testSupplyAsync() {
1261	<	CompletableFuture<Integer> f;
1262	<	f = CompletableFuture.supplyAsync(supplyOne);
1263	<	assertEquals(f.join(), one);
1264	<	checkCompletedNormally(f, one);
1257	>	@SuppressWarnings("FutureReturnValueIgnored")
1258	>	public void testRunAsync_rejectingExecutor() {
1259	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1260	>	try {
1261	>	CompletableFuture.runAsync(() -> {}, e);
1262	>	shouldThrow();
1263	>	} catch (Throwable t) {
1264	>	assertSame(e.ex, t);
1265	>	}
1266	>
1267	>	assertEquals(1, e.count.get());
1268		}
1269
1270		/**
1271	<	* supplyAsync with executor completes with result of supplier
1271	>	* supplyAsync completes with result of supplier
1272		*/
1273	<	public void testSupplyAsync2() {
1274	<	CompletableFuture<Integer> f;
1275	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1276	<	assertEquals(f.join(), one);
1277	<	checkCompletedNormally(f, one);
1278	<	}
1273	>	public void testSupplyAsync_normalCompletion() {
1274	>	ExecutionMode[] executionModes = {
1275	>	ExecutionMode.ASYNC,
1276	>	ExecutionMode.EXECUTOR,
1277	>	};
1278	>	for (ExecutionMode m : executionModes)
1279	>	for (Integer v1 : new Integer[] { 1, null })
1280	>	{
1281	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1282	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1283	>	assertSame(v1, f.join());
1284	>	checkCompletedNormally(f, v1);
1285	>	r.assertInvoked();
1286	>	}}
1287
1288		/**
1289		* Failing supplyAsync completes exceptionally
1290		*/
1291	<	public void testSupplyAsync3() {
1292	<	FailingSupplier r = new FailingSupplier(ExecutionMode.ASYNC);
1293	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1294	<	checkCompletedWithWrappedCFException(f);
1295	<	assertEquals(1, r.invocationCount);
1291	>	public void testSupplyAsync_exceptionalCompletion() {
1292	>	ExecutionMode[] executionModes = {
1293	>	ExecutionMode.ASYNC,
1294	>	ExecutionMode.EXECUTOR,
1295	>	};
1296	>	for (ExecutionMode m : executionModes)
1297	>	{
1298	>	FailingSupplier r = new FailingSupplier(m);
1299	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1300	>	checkCompletedWithWrappedException(f, r.ex);
1301	>	r.assertInvoked();
1302	>	}}
1303	>
1304	>	@SuppressWarnings("FutureReturnValueIgnored")
1305	>	public void testSupplyAsync_rejectingExecutor() {
1306	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1307	>	try {
1308	>	CompletableFuture.supplyAsync(() -> null, e);
1309	>	shouldThrow();
1310	>	} catch (Throwable t) {
1311	>	assertSame(e.ex, t);
1312	>	}
1313	>
1314	>	assertEquals(1, e.count.get());
1315		}
1316
1317		// seq completion methods
#	Line 1032 | Line 1321 | public class CompletableFutureTest exten
1321		*/
1322		public void testThenRun_normalCompletion() {
1323		for (ExecutionMode m : ExecutionMode.values())
1035	–	for (boolean createIncomplete : new boolean[] { true, false })
1324		for (Integer v1 : new Integer[] { 1, null })
1325		{
1326		final CompletableFuture<Integer> f = new CompletableFuture<>();
1327	<	final Noop r = new Noop(m);
1328	<	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	<	}
1327	>	final Noop[] rs = new Noop[6];
1328	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1329
1330	<	checkCompletedNormally(g, null);
1330	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1331	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1332	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1333	>	checkIncomplete(h0);
1334	>	checkIncomplete(h1);
1335	>	checkIncomplete(h2);
1336	>	assertTrue(f.complete(v1));
1337	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1338	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1339	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1340	>
1341	>	checkCompletedNormally(h0, null);
1342	>	checkCompletedNormally(h1, null);
1343	>	checkCompletedNormally(h2, null);
1344	>	checkCompletedNormally(h3, null);
1345	>	checkCompletedNormally(h4, null);
1346	>	checkCompletedNormally(h5, null);
1347		checkCompletedNormally(f, v1);
1348	<	assertEquals(1, r.invocationCount);
1348	>	for (Noop r : rs) r.assertInvoked();
1349		}}
1350
1351		/**
#	Line 1055 | Line 1354 | public class CompletableFutureTest exten
1354		*/
1355		public void testThenRun_exceptionalCompletion() {
1356		for (ExecutionMode m : ExecutionMode.values())
1058	–	for (boolean createIncomplete : new boolean[] { true, false })
1357		{
1358		final CFException ex = new CFException();
1359		final CompletableFuture<Integer> f = new CompletableFuture<>();
1360	<	final Noop r = new Noop(m);
1361	<	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	<	}
1360	>	final Noop[] rs = new Noop[6];
1361	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1362
1363	<	checkCompletedWithWrappedCFException(g, ex);
1364	<	checkCompletedWithWrappedCFException(f, ex);
1365	<	assertEquals(0, r.invocationCount);
1363	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1364	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1365	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1366	>	checkIncomplete(h0);
1367	>	checkIncomplete(h1);
1368	>	checkIncomplete(h2);
1369	>	assertTrue(f.completeExceptionally(ex));
1370	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1371	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1372	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1373	>
1374	>	checkCompletedWithWrappedException(h0, ex);
1375	>	checkCompletedWithWrappedException(h1, ex);
1376	>	checkCompletedWithWrappedException(h2, ex);
1377	>	checkCompletedWithWrappedException(h3, ex);
1378	>	checkCompletedWithWrappedException(h4, ex);
1379	>	checkCompletedWithWrappedException(h5, ex);
1380	>	checkCompletedExceptionally(f, ex);
1381	>	for (Noop r : rs) r.assertNotInvoked();
1382		}}
1383
1384		/**
#	Line 1077 | Line 1386 | public class CompletableFutureTest exten
1386		*/
1387		public void testThenRun_sourceCancelled() {
1388		for (ExecutionMode m : ExecutionMode.values())
1080	–	for (boolean createIncomplete : new boolean[] { true, false })
1389		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1390		{
1391		final CompletableFuture<Integer> f = new CompletableFuture<>();
1392	<	final Noop r = new Noop(m);
1393	<	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	<	}
1392	>	final Noop[] rs = new Noop[6];
1393	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1394
1395	<	checkCompletedWithWrappedCancellationException(g);
1395	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1396	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1397	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1398	>	checkIncomplete(h0);
1399	>	checkIncomplete(h1);
1400	>	checkIncomplete(h2);
1401	>	assertTrue(f.cancel(mayInterruptIfRunning));
1402	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1403	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1404	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1405	>
1406	>	checkCompletedWithWrappedCancellationException(h0);
1407	>	checkCompletedWithWrappedCancellationException(h1);
1408	>	checkCompletedWithWrappedCancellationException(h2);
1409	>	checkCompletedWithWrappedCancellationException(h3);
1410	>	checkCompletedWithWrappedCancellationException(h4);
1411	>	checkCompletedWithWrappedCancellationException(h5);
1412		checkCancelled(f);
1413	<	assertEquals(0, r.invocationCount);
1413	>	for (Noop r : rs) r.assertNotInvoked();
1414		}}
1415
1416		/**
#	Line 1099 | Line 1418 | public class CompletableFutureTest exten
1418		*/
1419		public void testThenRun_actionFailed() {
1420		for (ExecutionMode m : ExecutionMode.values())
1102	–	for (boolean createIncomplete : new boolean[] { true, false })
1421		for (Integer v1 : new Integer[] { 1, null })
1422		{
1423		final CompletableFuture<Integer> f = new CompletableFuture<>();
1424	<	final FailingRunnable r = new FailingRunnable(m);
1425	<	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	<	}
1424	>	final FailingRunnable[] rs = new FailingRunnable[6];
1425	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1426
1427	<	checkCompletedWithWrappedCFException(g);
1427	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1428	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1429	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1430	>	assertTrue(f.complete(v1));
1431	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1432	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1433	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1434	>
1435	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1436	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1437	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1438	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1439	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1440	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1441		checkCompletedNormally(f, v1);
1442		}}
1443
#	Line 1120 | Line 1446 | public class CompletableFutureTest exten
1446		*/
1447		public void testThenApply_normalCompletion() {
1448		for (ExecutionMode m : ExecutionMode.values())
1123	–	for (boolean createIncomplete : new boolean[] { true, false })
1449		for (Integer v1 : new Integer[] { 1, null })
1450		{
1451		final CompletableFuture<Integer> f = new CompletableFuture<>();
1452	<	final IncFunction r = new IncFunction(m);
1453	<	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	<	}
1452	>	final IncFunction[] rs = new IncFunction[4];
1453	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1454
1455	<	checkCompletedNormally(g, inc(v1));
1455	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1456	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1457	>	checkIncomplete(h0);
1458	>	checkIncomplete(h1);
1459	>	assertTrue(f.complete(v1));
1460	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1461	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1462	>
1463	>	checkCompletedNormally(h0, inc(v1));
1464	>	checkCompletedNormally(h1, inc(v1));
1465	>	checkCompletedNormally(h2, inc(v1));
1466	>	checkCompletedNormally(h3, inc(v1));
1467		checkCompletedNormally(f, v1);
1468	<	assertEquals(1, r.invocationCount);
1468	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1469		}}
1470
1471		/**
#	Line 1143 | Line 1474 | public class CompletableFutureTest exten
1474		*/
1475		public void testThenApply_exceptionalCompletion() {
1476		for (ExecutionMode m : ExecutionMode.values())
1146	–	for (boolean createIncomplete : new boolean[] { true, false })
1477		{
1478		final CFException ex = new CFException();
1479		final CompletableFuture<Integer> f = new CompletableFuture<>();
1480	<	final IncFunction r = new IncFunction(m);
1481	<	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	<	}
1480	>	final IncFunction[] rs = new IncFunction[4];
1481	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1482
1483	<	checkCompletedWithWrappedCFException(g, ex);
1484	<	checkCompletedWithWrappedCFException(f, ex);
1485	<	assertEquals(0, r.invocationCount);
1483	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1484	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1485	>	assertTrue(f.completeExceptionally(ex));
1486	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1487	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1488	>
1489	>	checkCompletedWithWrappedException(h0, ex);
1490	>	checkCompletedWithWrappedException(h1, ex);
1491	>	checkCompletedWithWrappedException(h2, ex);
1492	>	checkCompletedWithWrappedException(h3, ex);
1493	>	checkCompletedExceptionally(f, ex);
1494	>	for (IncFunction r : rs) r.assertNotInvoked();
1495		}}
1496
1497		/**
#	Line 1165 | Line 1499 | public class CompletableFutureTest exten
1499		*/
1500		public void testThenApply_sourceCancelled() {
1501		for (ExecutionMode m : ExecutionMode.values())
1168	–	for (boolean createIncomplete : new boolean[] { true, false })
1502		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1503		{
1504		final CompletableFuture<Integer> f = new CompletableFuture<>();
1505	<	final IncFunction r = new IncFunction(m);
1506	<	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	<	}
1505	>	final IncFunction[] rs = new IncFunction[4];
1506	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1507
1508	<	checkCompletedWithWrappedCancellationException(g);
1508	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1509	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1510	>	assertTrue(f.cancel(mayInterruptIfRunning));
1511	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1512	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1513	>
1514	>	checkCompletedWithWrappedCancellationException(h0);
1515	>	checkCompletedWithWrappedCancellationException(h1);
1516	>	checkCompletedWithWrappedCancellationException(h2);
1517	>	checkCompletedWithWrappedCancellationException(h3);
1518		checkCancelled(f);
1519	<	assertEquals(0, r.invocationCount);
1519	>	for (IncFunction r : rs) r.assertNotInvoked();
1520		}}
1521
1522		/**
#	Line 1187 | Line 1524 | public class CompletableFutureTest exten
1524		*/
1525		public void testThenApply_actionFailed() {
1526		for (ExecutionMode m : ExecutionMode.values())
1190	–	for (boolean createIncomplete : new boolean[] { true, false })
1527		for (Integer v1 : new Integer[] { 1, null })
1528		{
1529		final CompletableFuture<Integer> f = new CompletableFuture<>();
1530	<	final FailingFunction r = new FailingFunction(m);
1531	<	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	<	}
1530	>	final FailingFunction[] rs = new FailingFunction[4];
1531	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1532
1533	<	checkCompletedWithWrappedCFException(g);
1533	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1534	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1535	>	assertTrue(f.complete(v1));
1536	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1537	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1538	>
1539	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1540	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1541	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1542	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1543		checkCompletedNormally(f, v1);
1544		}}
1545
#	Line 1208 | Line 1548 | public class CompletableFutureTest exten
1548		*/
1549		public void testThenAccept_normalCompletion() {
1550		for (ExecutionMode m : ExecutionMode.values())
1211	–	for (boolean createIncomplete : new boolean[] { true, false })
1551		for (Integer v1 : new Integer[] { 1, null })
1552		{
1553		final CompletableFuture<Integer> f = new CompletableFuture<>();
1554	<	final IncAction r = new IncAction();
1555	<	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	<	}
1554	>	final NoopConsumer[] rs = new NoopConsumer[4];
1555	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1556
1557	<	checkCompletedNormally(g, null);
1557	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1558	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1559	>	checkIncomplete(h0);
1560	>	checkIncomplete(h1);
1561	>	assertTrue(f.complete(v1));
1562	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1563	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1564	>
1565	>	checkCompletedNormally(h0, null);
1566	>	checkCompletedNormally(h1, null);
1567	>	checkCompletedNormally(h2, null);
1568	>	checkCompletedNormally(h3, null);
1569		checkCompletedNormally(f, v1);
1570	<	assertEquals(1, r.invocationCount);
1226	<	assertEquals(inc(v1), r.value);
1570	>	for (NoopConsumer r : rs) r.assertValue(v1);
1571		}}
1572
1573		/**
#	Line 1232 | Line 1576 | public class CompletableFutureTest exten
1576		*/
1577		public void testThenAccept_exceptionalCompletion() {
1578		for (ExecutionMode m : ExecutionMode.values())
1235	–	for (boolean createIncomplete : new boolean[] { true, false })
1579		{
1580		final CFException ex = new CFException();
1581		final CompletableFuture<Integer> f = new CompletableFuture<>();
1582	<	final IncAction r = new IncAction();
1583	<	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	<	}
1582	>	final NoopConsumer[] rs = new NoopConsumer[4];
1583	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1584
1585	<	checkCompletedWithWrappedCFException(g, ex);
1586	<	checkCompletedWithWrappedCFException(f, ex);
1587	<	assertEquals(0, r.invocationCount);
1585	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1586	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1587	>	assertTrue(f.completeExceptionally(ex));
1588	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1589	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1590	>
1591	>	checkCompletedWithWrappedException(h0, ex);
1592	>	checkCompletedWithWrappedException(h1, ex);
1593	>	checkCompletedWithWrappedException(h2, ex);
1594	>	checkCompletedWithWrappedException(h3, ex);
1595	>	checkCompletedExceptionally(f, ex);
1596	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1597		}}
1598
1599		/**
1600	<	* thenAccept result completes exceptionally if action does
1600	>	* thenAccept result completes exceptionally if source cancelled
1601		*/
1602	<	public void testThenAccept_actionFailed() {
1602	>	public void testThenAccept_sourceCancelled() {
1603		for (ExecutionMode m : ExecutionMode.values())
1604	<	for (boolean createIncomplete : new boolean[] { true, false })
1258	<	for (Integer v1 : new Integer[] { 1, null })
1604	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1605		{
1606		final CompletableFuture<Integer> f = new CompletableFuture<>();
1607	<	final FailingConsumer r = new FailingConsumer(m);
1608	<	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	<	}
1607	>	final NoopConsumer[] rs = new NoopConsumer[4];
1608	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1609
1610	<	checkCompletedWithWrappedCFException(g);
1611	<	checkCompletedNormally(f, v1);
1610	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1611	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1612	>	assertTrue(f.cancel(mayInterruptIfRunning));
1613	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1614	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1615	>
1616	>	checkCompletedWithWrappedCancellationException(h0);
1617	>	checkCompletedWithWrappedCancellationException(h1);
1618	>	checkCompletedWithWrappedCancellationException(h2);
1619	>	checkCompletedWithWrappedCancellationException(h3);
1620	>	checkCancelled(f);
1621	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1622		}}
1623
1624		/**
1625	<	* thenAccept result completes exceptionally if source cancelled
1625	>	* thenAccept result completes exceptionally if action does
1626		*/
1627	<	public void testThenAccept_sourceCancelled() {
1627	>	public void testThenAccept_actionFailed() {
1628		for (ExecutionMode m : ExecutionMode.values())
1629	<	for (boolean createIncomplete : new boolean[] { true, false })
1279	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1629	>	for (Integer v1 : new Integer[] { 1, null })
1630		{
1631		final CompletableFuture<Integer> f = new CompletableFuture<>();
1632	<	final IncAction r = new IncAction();
1633	<	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	<	}
1632	>	final FailingConsumer[] rs = new FailingConsumer[4];
1633	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1634
1635	<	checkCompletedWithWrappedCancellationException(g);
1636	<	checkCancelled(f);
1637	<	assertEquals(0, r.invocationCount);
1635	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1636	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1637	>	assertTrue(f.complete(v1));
1638	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1639	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1640	>
1641	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1642	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1643	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1644	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1645	>	checkCompletedNormally(f, v1);
1646		}}
1647
1648		/**
#	Line 1298 | Line 1651 | public class CompletableFutureTest exten
1651		*/
1652		public void testThenCombine_normalCompletion() {
1653		for (ExecutionMode m : ExecutionMode.values())
1301	–	for (boolean createIncomplete : new boolean[] { true, false })
1654		for (boolean fFirst : new boolean[] { true, false })
1655		for (Integer v1 : new Integer[] { 1, null })
1656		for (Integer v2 : new Integer[] { 2, null })
1657		{
1658		final CompletableFuture<Integer> f = new CompletableFuture<>();
1659		final CompletableFuture<Integer> g = new CompletableFuture<>();
1660	<	final SubtractFunction r = new SubtractFunction(m);
1660	>	final SubtractFunction[] rs = new SubtractFunction[6];
1661	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1662
1663	<	if (fFirst) f.complete(v1); else g.complete(v2);
1664	<	if (!createIncomplete)
1665	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1666	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1667	<	if (createIncomplete) {
1668	<	checkIncomplete(h);
1669	<	assertEquals(0, r.invocationCount);
1670	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1671	<	}
1663	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1664	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1665	>	final Integer w1 =  fFirst ? v1 : v2;
1666	>	final Integer w2 = !fFirst ? v1 : v2;
1667	>
1668	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1669	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1670	>	assertTrue(fst.complete(w1));
1671	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1672	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1673	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1674	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1675	>	checkCompletedNormally(h1, subtract(w1, w1));
1676	>	checkCompletedNormally(h3, subtract(w1, w1));
1677	>	rs[1].assertValue(subtract(w1, w1));
1678	>	rs[3].assertValue(subtract(w1, w1));
1679	>	assertTrue(snd.complete(w2));
1680	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1681	>
1682	>	checkCompletedNormally(h0, subtract(v1, v2));
1683	>	checkCompletedNormally(h2, subtract(v1, v2));
1684	>	checkCompletedNormally(h4, subtract(v1, v2));
1685	>	rs[0].assertValue(subtract(v1, v2));
1686	>	rs[2].assertValue(subtract(v1, v2));
1687	>	rs[4].assertValue(subtract(v1, v2));
1688
1320	–	checkCompletedNormally(h, subtract(v1, v2));
1689		checkCompletedNormally(f, v1);
1690		checkCompletedNormally(g, v2);
1323	–	assertEquals(1, r.invocationCount);
1691		}}
1692
1693		/**
1694		* thenCombine result completes exceptionally after exceptional
1695		* completion of either source
1696		*/
1697	<	public void testThenCombine_exceptionalCompletion() {
1697	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1698		for (ExecutionMode m : ExecutionMode.values())
1332	–	for (boolean createIncomplete : new boolean[] { true, false })
1699		for (boolean fFirst : new boolean[] { true, false })
1700	+	for (boolean failFirst : new boolean[] { true, false })
1701		for (Integer v1 : new Integer[] { 1, null })
1702		{
1703		final CompletableFuture<Integer> f = new CompletableFuture<>();
1704		final CompletableFuture<Integer> g = new CompletableFuture<>();
1705		final CFException ex = new CFException();
1706	<	final SubtractFunction r = new SubtractFunction(m);
1707	<
1708	<	(fFirst ? f : g).complete(v1);
1709	<	if (!createIncomplete)
1710	<	(!fFirst ? f : g).completeExceptionally(ex);
1711	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1712	<	if (createIncomplete) {
1713	<	checkIncomplete(h);
1714	<	(!fFirst ? f : g).completeExceptionally(ex);
1715	<	}
1716	<
1717	<	checkCompletedWithWrappedCFException(h, ex);
1718	<	assertEquals(0, r.invocationCount);
1719	<	checkCompletedNormally(fFirst ? f : g, v1);
1720	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1706	>	final SubtractFunction r1 = new SubtractFunction(m);
1707	>	final SubtractFunction r2 = new SubtractFunction(m);
1708	>	final SubtractFunction r3 = new SubtractFunction(m);
1709	>
1710	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1711	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1712	>	final Callable<Boolean> complete1 = failFirst ?
1713	>	() -> fst.completeExceptionally(ex) :
1714	>	() -> fst.complete(v1);
1715	>	final Callable<Boolean> complete2 = failFirst ?
1716	>	() -> snd.complete(v1) :
1717	>	() -> snd.completeExceptionally(ex);
1718	>
1719	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1720	>	assertTrue(complete1.call());
1721	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1722	>	checkIncomplete(h1);
1723	>	checkIncomplete(h2);
1724	>	assertTrue(complete2.call());
1725	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1726	>
1727	>	checkCompletedWithWrappedException(h1, ex);
1728	>	checkCompletedWithWrappedException(h2, ex);
1729	>	checkCompletedWithWrappedException(h3, ex);
1730	>	r1.assertNotInvoked();
1731	>	r2.assertNotInvoked();
1732	>	r3.assertNotInvoked();
1733	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1734	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1735		}}
1736
1737		/**
1738	<	* thenCombine result completes exceptionally if action does
1738	>	* thenCombine result completes exceptionally if either source cancelled
1739		*/
1740	<	public void testThenCombine_actionFailed() {
1740	>	public void testThenCombine_sourceCancelled() throws Throwable {
1741		for (ExecutionMode m : ExecutionMode.values())
1742	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1743		for (boolean fFirst : new boolean[] { true, false })
1744	+	for (boolean failFirst : new boolean[] { true, false })
1745		for (Integer v1 : new Integer[] { 1, null })
1363	–	for (Integer v2 : new Integer[] { 2, null })
1746		{
1747		final CompletableFuture<Integer> f = new CompletableFuture<>();
1748		final CompletableFuture<Integer> g = new CompletableFuture<>();
1749	<	final FailingBiFunction r = new FailingBiFunction(m);
1750	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1751	<
1752	<	if (fFirst) {
1753	<	f.complete(v1);
1754	<	g.complete(v2);
1755	<	} else {
1756	<	g.complete(v2);
1757	<	f.complete(v1);
1758	<	}
1759	<
1760	<	checkCompletedWithWrappedCFException(h);
1761	<	checkCompletedNormally(f, v1);
1762	<	checkCompletedNormally(g, v2);
1749	>	final SubtractFunction r1 = new SubtractFunction(m);
1750	>	final SubtractFunction r2 = new SubtractFunction(m);
1751	>	final SubtractFunction r3 = new SubtractFunction(m);
1752	>
1753	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1754	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1755	>	final Callable<Boolean> complete1 = failFirst ?
1756	>	() -> fst.cancel(mayInterruptIfRunning) :
1757	>	() -> fst.complete(v1);
1758	>	final Callable<Boolean> complete2 = failFirst ?
1759	>	() -> snd.complete(v1) :
1760	>	() -> snd.cancel(mayInterruptIfRunning);
1761	>
1762	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1763	>	assertTrue(complete1.call());
1764	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1765	>	checkIncomplete(h1);
1766	>	checkIncomplete(h2);
1767	>	assertTrue(complete2.call());
1768	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1769	>
1770	>	checkCompletedWithWrappedCancellationException(h1);
1771	>	checkCompletedWithWrappedCancellationException(h2);
1772	>	checkCompletedWithWrappedCancellationException(h3);
1773	>	r1.assertNotInvoked();
1774	>	r2.assertNotInvoked();
1775	>	r3.assertNotInvoked();
1776	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1777	>	checkCancelled(failFirst ? fst : snd);
1778		}}
1779
1780		/**
1781	<	* thenCombine result completes exceptionally if either source cancelled
1781	>	* thenCombine result completes exceptionally if action does
1782		*/
1783	<	public void testThenCombine_sourceCancelled() {
1783	>	public void testThenCombine_actionFailed() {
1784		for (ExecutionMode m : ExecutionMode.values())
1388	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1389	–	for (boolean createIncomplete : new boolean[] { true, false })
1785		for (boolean fFirst : new boolean[] { true, false })
1786		for (Integer v1 : new Integer[] { 1, null })
1787	+	for (Integer v2 : new Integer[] { 2, null })
1788		{
1789		final CompletableFuture<Integer> f = new CompletableFuture<>();
1790		final CompletableFuture<Integer> g = new CompletableFuture<>();
1791	<	final SubtractFunction r = new SubtractFunction(m);
1792	<
1793	<	(fFirst ? f : g).complete(v1);
1794	<	if (!createIncomplete)
1795	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1796	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1797	<	if (createIncomplete) {
1798	<	checkIncomplete(h);
1799	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1800	<	}
1801	<
1802	<	checkCompletedWithWrappedCancellationException(h);
1803	<	checkCancelled(!fFirst ? f : g);
1804	<	assertEquals(0, r.invocationCount);
1805	<	checkCompletedNormally(fFirst ? f : g, v1);
1791	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1792	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1793	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1794	>
1795	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1796	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1797	>	final Integer w1 =  fFirst ? v1 : v2;
1798	>	final Integer w2 = !fFirst ? v1 : v2;
1799	>
1800	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1801	>	assertTrue(fst.complete(w1));
1802	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1803	>	assertTrue(snd.complete(w2));
1804	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1805	>
1806	>	checkCompletedWithWrappedException(h1, r1.ex);
1807	>	checkCompletedWithWrappedException(h2, r2.ex);
1808	>	checkCompletedWithWrappedException(h3, r3.ex);
1809	>	r1.assertInvoked();
1810	>	r2.assertInvoked();
1811	>	r3.assertInvoked();
1812	>	checkCompletedNormally(f, v1);
1813	>	checkCompletedNormally(g, v2);
1814		}}
1815
1816		/**
#	Line 1415 | Line 1819 | public class CompletableFutureTest exten
1819		*/
1820		public void testThenAcceptBoth_normalCompletion() {
1821		for (ExecutionMode m : ExecutionMode.values())
1418	–	for (boolean createIncomplete : new boolean[] { true, false })
1822		for (boolean fFirst : new boolean[] { true, false })
1823		for (Integer v1 : new Integer[] { 1, null })
1824		for (Integer v2 : new Integer[] { 2, null })
1825		{
1826		final CompletableFuture<Integer> f = new CompletableFuture<>();
1827		final CompletableFuture<Integer> g = new CompletableFuture<>();
1828	<	final SubtractAction r = new SubtractAction(m);
1829	<
1830	<	if (fFirst) f.complete(v1); else g.complete(v2);
1831	<	if (!createIncomplete)
1832	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1833	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1834	<	if (createIncomplete) {
1835	<	checkIncomplete(h);
1836	<	assertEquals(0, r.invocationCount);
1837	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1838	<	}
1839	<
1840	<	checkCompletedNormally(h, null);
1841	<	assertEquals(subtract(v1, v2), r.value);
1828	>	final SubtractAction r1 = new SubtractAction(m);
1829	>	final SubtractAction r2 = new SubtractAction(m);
1830	>	final SubtractAction r3 = new SubtractAction(m);
1831	>
1832	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1833	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1834	>	final Integer w1 =  fFirst ? v1 : v2;
1835	>	final Integer w2 = !fFirst ? v1 : v2;
1836	>
1837	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1838	>	assertTrue(fst.complete(w1));
1839	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1840	>	checkIncomplete(h1);
1841	>	checkIncomplete(h2);
1842	>	r1.assertNotInvoked();
1843	>	r2.assertNotInvoked();
1844	>	assertTrue(snd.complete(w2));
1845	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1846	>
1847	>	checkCompletedNormally(h1, null);
1848	>	checkCompletedNormally(h2, null);
1849	>	checkCompletedNormally(h3, null);
1850	>	r1.assertValue(subtract(v1, v2));
1851	>	r2.assertValue(subtract(v1, v2));
1852	>	r3.assertValue(subtract(v1, v2));
1853		checkCompletedNormally(f, v1);
1854		checkCompletedNormally(g, v2);
1855		}}
#	Line 1444 | Line 1858 | public class CompletableFutureTest exten
1858		* thenAcceptBoth result completes exceptionally after exceptional
1859		* completion of either source
1860		*/
1861	<	public void testThenAcceptBoth_exceptionalCompletion() {
1861	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1862		for (ExecutionMode m : ExecutionMode.values())
1449	–	for (boolean createIncomplete : new boolean[] { true, false })
1863		for (boolean fFirst : new boolean[] { true, false })
1864	+	for (boolean failFirst : new boolean[] { true, false })
1865		for (Integer v1 : new Integer[] { 1, null })
1866		{
1867		final CompletableFuture<Integer> f = new CompletableFuture<>();
1868		final CompletableFuture<Integer> g = new CompletableFuture<>();
1869		final CFException ex = new CFException();
1870	<	final SubtractAction r = new SubtractAction(m);
1871	<
1872	<	(fFirst ? f : g).complete(v1);
1873	<	if (!createIncomplete)
1874	<	(!fFirst ? f : g).completeExceptionally(ex);
1875	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1876	<	if (createIncomplete) {
1877	<	checkIncomplete(h);
1878	<	(!fFirst ? f : g).completeExceptionally(ex);
1879	<	}
1880	<
1881	<	checkCompletedWithWrappedCFException(h, ex);
1882	<	assertEquals(0, r.invocationCount);
1883	<	checkCompletedNormally(fFirst ? f : g, v1);
1884	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1870	>	final SubtractAction r1 = new SubtractAction(m);
1871	>	final SubtractAction r2 = new SubtractAction(m);
1872	>	final SubtractAction r3 = new SubtractAction(m);
1873	>
1874	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1875	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1876	>	final Callable<Boolean> complete1 = failFirst ?
1877	>	() -> fst.completeExceptionally(ex) :
1878	>	() -> fst.complete(v1);
1879	>	final Callable<Boolean> complete2 = failFirst ?
1880	>	() -> snd.complete(v1) :
1881	>	() -> snd.completeExceptionally(ex);
1882	>
1883	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1884	>	assertTrue(complete1.call());
1885	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1886	>	checkIncomplete(h1);
1887	>	checkIncomplete(h2);
1888	>	assertTrue(complete2.call());
1889	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1890	>
1891	>	checkCompletedWithWrappedException(h1, ex);
1892	>	checkCompletedWithWrappedException(h2, ex);
1893	>	checkCompletedWithWrappedException(h3, ex);
1894	>	r1.assertNotInvoked();
1895	>	r2.assertNotInvoked();
1896	>	r3.assertNotInvoked();
1897	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1898	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1899		}}
1900
1901		/**
1902	<	* thenAcceptBoth result completes exceptionally if action does
1902	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1903		*/
1904	<	public void testThenAcceptBoth_actionFailed() {
1904	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1905		for (ExecutionMode m : ExecutionMode.values())
1906	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1907		for (boolean fFirst : new boolean[] { true, false })
1908	+	for (boolean failFirst : new boolean[] { true, false })
1909		for (Integer v1 : new Integer[] { 1, null })
1480	–	for (Integer v2 : new Integer[] { 2, null })
1910		{
1911		final CompletableFuture<Integer> f = new CompletableFuture<>();
1912		final CompletableFuture<Integer> g = new CompletableFuture<>();
1913	<	final FailingBiConsumer r = new FailingBiConsumer(m);
1914	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1915	<
1916	<	if (fFirst) {
1917	<	f.complete(v1);
1918	<	g.complete(v2);
1919	<	} else {
1920	<	g.complete(v2);
1921	<	f.complete(v1);
1922	<	}
1923	<
1924	<	checkCompletedWithWrappedCFException(h);
1925	<	checkCompletedNormally(f, v1);
1926	<	checkCompletedNormally(g, v2);
1913	>	final SubtractAction r1 = new SubtractAction(m);
1914	>	final SubtractAction r2 = new SubtractAction(m);
1915	>	final SubtractAction r3 = new SubtractAction(m);
1916	>
1917	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1918	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1919	>	final Callable<Boolean> complete1 = failFirst ?
1920	>	() -> fst.cancel(mayInterruptIfRunning) :
1921	>	() -> fst.complete(v1);
1922	>	final Callable<Boolean> complete2 = failFirst ?
1923	>	() -> snd.complete(v1) :
1924	>	() -> snd.cancel(mayInterruptIfRunning);
1925	>
1926	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1927	>	assertTrue(complete1.call());
1928	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1929	>	checkIncomplete(h1);
1930	>	checkIncomplete(h2);
1931	>	assertTrue(complete2.call());
1932	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1933	>
1934	>	checkCompletedWithWrappedCancellationException(h1);
1935	>	checkCompletedWithWrappedCancellationException(h2);
1936	>	checkCompletedWithWrappedCancellationException(h3);
1937	>	r1.assertNotInvoked();
1938	>	r2.assertNotInvoked();
1939	>	r3.assertNotInvoked();
1940	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1941	>	checkCancelled(failFirst ? fst : snd);
1942		}}
1943
1944		/**
1945	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1945	>	* thenAcceptBoth result completes exceptionally if action does
1946		*/
1947	<	public void testThenAcceptBoth_sourceCancelled() {
1947	>	public void testThenAcceptBoth_actionFailed() {
1948		for (ExecutionMode m : ExecutionMode.values())
1505	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1506	–	for (boolean createIncomplete : new boolean[] { true, false })
1949		for (boolean fFirst : new boolean[] { true, false })
1950		for (Integer v1 : new Integer[] { 1, null })
1951	+	for (Integer v2 : new Integer[] { 2, null })
1952		{
1953		final CompletableFuture<Integer> f = new CompletableFuture<>();
1954		final CompletableFuture<Integer> g = new CompletableFuture<>();
1955	<	final SubtractAction r = new SubtractAction(m);
1956	<
1957	<	(fFirst ? f : g).complete(v1);
1958	<	if (!createIncomplete)
1959	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1960	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1961	<	if (createIncomplete) {
1962	<	checkIncomplete(h);
1963	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1964	<	}
1965	<
1966	<	checkCompletedWithWrappedCancellationException(h);
1967	<	checkCancelled(!fFirst ? f : g);
1968	<	assertEquals(0, r.invocationCount);
1969	<	checkCompletedNormally(fFirst ? f : g, v1);
1955	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1956	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1957	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1958	>
1959	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1960	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1961	>	final Integer w1 =  fFirst ? v1 : v2;
1962	>	final Integer w2 = !fFirst ? v1 : v2;
1963	>
1964	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1965	>	assertTrue(fst.complete(w1));
1966	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1967	>	assertTrue(snd.complete(w2));
1968	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1969	>
1970	>	checkCompletedWithWrappedException(h1, r1.ex);
1971	>	checkCompletedWithWrappedException(h2, r2.ex);
1972	>	checkCompletedWithWrappedException(h3, r3.ex);
1973	>	r1.assertInvoked();
1974	>	r2.assertInvoked();
1975	>	r3.assertInvoked();
1976	>	checkCompletedNormally(f, v1);
1977	>	checkCompletedNormally(g, v2);
1978		}}
1979
1980		/**
#	Line 1532 | Line 1983 | public class CompletableFutureTest exten
1983		*/
1984		public void testRunAfterBoth_normalCompletion() {
1985		for (ExecutionMode m : ExecutionMode.values())
1535	–	for (boolean createIncomplete : new boolean[] { true, false })
1986		for (boolean fFirst : new boolean[] { true, false })
1987		for (Integer v1 : new Integer[] { 1, null })
1988		for (Integer v2 : new Integer[] { 2, null })
1989		{
1990		final CompletableFuture<Integer> f = new CompletableFuture<>();
1991		final CompletableFuture<Integer> g = new CompletableFuture<>();
1992	<	final Noop r = new Noop(m);
1993	<
1994	<	if (fFirst) f.complete(v1); else g.complete(v2);
1995	<	if (!createIncomplete)
1996	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1997	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1998	<	if (createIncomplete) {
1999	<	checkIncomplete(h);
2000	<	assertEquals(0, r.invocationCount);
2001	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2002	<	}
2003	<
2004	<	checkCompletedNormally(h, null);
2005	<	assertEquals(1, r.invocationCount);
1992	>	final Noop r1 = new Noop(m);
1993	>	final Noop r2 = new Noop(m);
1994	>	final Noop r3 = new Noop(m);
1995	>
1996	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1997	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1998	>	final Integer w1 =  fFirst ? v1 : v2;
1999	>	final Integer w2 = !fFirst ? v1 : v2;
2000	>
2001	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2002	>	assertTrue(fst.complete(w1));
2003	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2004	>	checkIncomplete(h1);
2005	>	checkIncomplete(h2);
2006	>	r1.assertNotInvoked();
2007	>	r2.assertNotInvoked();
2008	>	assertTrue(snd.complete(w2));
2009	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2010	>
2011	>	checkCompletedNormally(h1, null);
2012	>	checkCompletedNormally(h2, null);
2013	>	checkCompletedNormally(h3, null);
2014	>	r1.assertInvoked();
2015	>	r2.assertInvoked();
2016	>	r3.assertInvoked();
2017		checkCompletedNormally(f, v1);
2018		checkCompletedNormally(g, v2);
2019		}}
#	Line 1561 | Line 2022 | public class CompletableFutureTest exten
2022		* runAfterBoth result completes exceptionally after exceptional
2023		* completion of either source
2024		*/
2025	<	public void testRunAfterBoth_exceptionalCompletion() {
2025	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2026		for (ExecutionMode m : ExecutionMode.values())
1566	–	for (boolean createIncomplete : new boolean[] { true, false })
2027		for (boolean fFirst : new boolean[] { true, false })
2028	+	for (boolean failFirst : new boolean[] { true, false })
2029		for (Integer v1 : new Integer[] { 1, null })
2030		{
2031		final CompletableFuture<Integer> f = new CompletableFuture<>();
2032		final CompletableFuture<Integer> g = new CompletableFuture<>();
2033		final CFException ex = new CFException();
2034	<	final Noop r = new Noop(m);
2035	<
2036	<	(fFirst ? f : g).complete(v1);
2037	<	if (!createIncomplete)
2038	<	(!fFirst ? f : g).completeExceptionally(ex);
2039	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2040	<	if (createIncomplete) {
2041	<	checkIncomplete(h);
2042	<	(!fFirst ? f : g).completeExceptionally(ex);
2043	<	}
2044	<
2045	<	checkCompletedWithWrappedCFException(h, ex);
2046	<	assertEquals(0, r.invocationCount);
2047	<	checkCompletedNormally(fFirst ? f : g, v1);
2048	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
2049	<	}}
2050	<
2051	<	/**
2052	<	* runAfterBoth result completes exceptionally if action does
2053	<	*/
2054	<	public void testRunAfterBoth_actionFailed() {
2055	<	for (ExecutionMode m : ExecutionMode.values())
2056	<	for (boolean fFirst : new boolean[] { true, false })
2057	<	for (Integer v1 : new Integer[] { 1, null })
2058	<	for (Integer v2 : new Integer[] { 2, null })
2059	<	{
2060	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2061	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2062	<	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);
2034	>	final Noop r1 = new Noop(m);
2035	>	final Noop r2 = new Noop(m);
2036	>	final Noop r3 = new Noop(m);
2037	>
2038	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2039	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2040	>	final Callable<Boolean> complete1 = failFirst ?
2041	>	() -> fst.completeExceptionally(ex) :
2042	>	() -> fst.complete(v1);
2043	>	final Callable<Boolean> complete2 = failFirst ?
2044	>	() -> snd.complete(v1) :
2045	>	() -> snd.completeExceptionally(ex);
2046	>
2047	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2048	>	assertTrue(complete1.call());
2049	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2050	>	checkIncomplete(h1);
2051	>	checkIncomplete(h2);
2052	>	assertTrue(complete2.call());
2053	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2054	>
2055	>	checkCompletedWithWrappedException(h1, ex);
2056	>	checkCompletedWithWrappedException(h2, ex);
2057	>	checkCompletedWithWrappedException(h3, ex);
2058	>	r1.assertNotInvoked();
2059	>	r2.assertNotInvoked();
2060	>	r3.assertNotInvoked();
2061	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2062	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2063		}}
2064
2065		/**
2066		* runAfterBoth result completes exceptionally if either source cancelled
2067		*/
2068	<	public void testRunAfterBoth_sourceCancelled() {
2068	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2069		for (ExecutionMode m : ExecutionMode.values())
2070		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1625	–	for (boolean createIncomplete : new boolean[] { true, false })
2071		for (boolean fFirst : new boolean[] { true, false })
2072	+	for (boolean failFirst : new boolean[] { true, false })
2073		for (Integer v1 : new Integer[] { 1, null })
2074		{
2075		final CompletableFuture<Integer> f = new CompletableFuture<>();
2076		final CompletableFuture<Integer> g = new CompletableFuture<>();
2077	<	final Noop r = new Noop(m);
2078	<
2079	<
2080	<	(fFirst ? f : g).complete(v1);
2081	<	if (!createIncomplete)
2082	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2083	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2084	<	if (createIncomplete) {
2085	<	checkIncomplete(h);
2086	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2087	<	}
2088	<
2089	<	checkCompletedWithWrappedCancellationException(h);
2090	<	checkCancelled(!fFirst ? f : g);
2091	<	assertEquals(0, r.invocationCount);
2092	<	checkCompletedNormally(fFirst ? f : g, v1);
2077	>	final Noop r1 = new Noop(m);
2078	>	final Noop r2 = new Noop(m);
2079	>	final Noop r3 = new Noop(m);
2080	>
2081	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2082	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2083	>	final Callable<Boolean> complete1 = failFirst ?
2084	>	() -> fst.cancel(mayInterruptIfRunning) :
2085	>	() -> fst.complete(v1);
2086	>	final Callable<Boolean> complete2 = failFirst ?
2087	>	() -> snd.complete(v1) :
2088	>	() -> snd.cancel(mayInterruptIfRunning);
2089	>
2090	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2091	>	assertTrue(complete1.call());
2092	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2093	>	checkIncomplete(h1);
2094	>	checkIncomplete(h2);
2095	>	assertTrue(complete2.call());
2096	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2097	>
2098	>	checkCompletedWithWrappedCancellationException(h1);
2099	>	checkCompletedWithWrappedCancellationException(h2);
2100	>	checkCompletedWithWrappedCancellationException(h3);
2101	>	r1.assertNotInvoked();
2102	>	r2.assertNotInvoked();
2103	>	r3.assertNotInvoked();
2104	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2105	>	checkCancelled(failFirst ? fst : snd);
2106		}}
2107
2108		/**
2109	<	* applyToEither result completes normally after normal completion
1651	<	* of either source
2109	>	* runAfterBoth result completes exceptionally if action does
2110		*/
2111	<	public void testApplyToEither_normalCompletion() {
2111	>	public void testRunAfterBoth_actionFailed() {
2112		for (ExecutionMode m : ExecutionMode.values())
1655	–	for (boolean createIncomplete : new boolean[] { true, false })
2113		for (boolean fFirst : new boolean[] { true, false })
2114		for (Integer v1 : new Integer[] { 1, null })
2115		for (Integer v2 : new Integer[] { 2, null })
2116		{
2117		final CompletableFuture<Integer> f = new CompletableFuture<>();
2118		final CompletableFuture<Integer> g = new CompletableFuture<>();
2119	<	final IncFunction r = new IncFunction(m);
2120	<
2121	<	if (!createIncomplete)
2122	<	if (fFirst) f.complete(v1); else g.complete(v2);
2123	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2124	<	if (createIncomplete) {
2125	<	checkIncomplete(h);
2126	<	assertEquals(0, r.invocationCount);
2127	<	if (fFirst) f.complete(v1); else g.complete(v2);
2128	<	}
2129	<	checkCompletedNormally(h, inc(fFirst ? v1 : v2));
2130	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2131	<
2119	>	final FailingRunnable r1 = new FailingRunnable(m);
2120	>	final FailingRunnable r2 = new FailingRunnable(m);
2121	>	final FailingRunnable r3 = new FailingRunnable(m);
2122	>
2123	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2124	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2125	>	final Integer w1 =  fFirst ? v1 : v2;
2126	>	final Integer w2 = !fFirst ? v1 : v2;
2127	>
2128	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2129	>	assertTrue(fst.complete(w1));
2130	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2131	>	assertTrue(snd.complete(w2));
2132	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2133	>
2134	>	checkCompletedWithWrappedException(h1, r1.ex);
2135	>	checkCompletedWithWrappedException(h2, r2.ex);
2136	>	checkCompletedWithWrappedException(h3, r3.ex);
2137	>	r1.assertInvoked();
2138	>	r2.assertInvoked();
2139	>	r3.assertInvoked();
2140		checkCompletedNormally(f, v1);
2141		checkCompletedNormally(g, v2);
1677	–	checkCompletedNormally(h, inc(fFirst ? v1 : v2));
2142		}}
2143
2144	<	public void testApplyToEither_normalCompletionBothAvailable() {
2144	>	/**
2145	>	* applyToEither result completes normally after normal completion
2146	>	* of either source
2147	>	*/
2148	>	public void testApplyToEither_normalCompletion() {
2149		for (ExecutionMode m : ExecutionMode.values())
1682	–	for (boolean fFirst : new boolean[] { true, false })
2150		for (Integer v1 : new Integer[] { 1, null })
2151		for (Integer v2 : new Integer[] { 2, null })
2152		{
2153		final CompletableFuture<Integer> f = new CompletableFuture<>();
2154		final CompletableFuture<Integer> g = new CompletableFuture<>();
2155	<	final IncFunction r = new IncFunction(m);
2155	>	final IncFunction[] rs = new IncFunction[6];
2156	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2157
2158	<	if (fFirst) {
2159	<	f.complete(v1);
2160	<	g.complete(v2);
2161	<	} else {
2162	<	g.complete(v2);
2163	<	f.complete(v1);
2164	<	}
2158	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2159	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2160	>	checkIncomplete(h0);
2161	>	checkIncomplete(h1);
2162	>	rs[0].assertNotInvoked();
2163	>	rs[1].assertNotInvoked();
2164	>	f.complete(v1);
2165	>	checkCompletedNormally(h0, inc(v1));
2166	>	checkCompletedNormally(h1, inc(v1));
2167	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2168	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2169	>	checkCompletedNormally(h2, inc(v1));
2170	>	checkCompletedNormally(h3, inc(v1));
2171	>	g.complete(v2);
2172
2173	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2173	>	// unspecified behavior - both source completions available
2174	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2175	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2176	>	rs[4].assertValue(h4.join());
2177	>	rs[5].assertValue(h5.join());
2178	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2179	>	Objects.equals(inc(v2), h4.join()));
2180	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2181	>	Objects.equals(inc(v2), h5.join()));
2182
2183		checkCompletedNormally(f, v1);
2184		checkCompletedNormally(g, v2);
2185	<
2186	<	// unspecified behavior
2187	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2188	<	Objects.equals(h.join(), inc(v2)));
2189	<	assertEquals(1, r.invocationCount);
2185	>	checkCompletedNormally(h0, inc(v1));
2186	>	checkCompletedNormally(h1, inc(v1));
2187	>	checkCompletedNormally(h2, inc(v1));
2188	>	checkCompletedNormally(h3, inc(v1));
2189	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2190		}}
2191
2192		/**
2193		* applyToEither result completes exceptionally after exceptional
2194		* completion of either source
2195		*/
2196	<	public void testApplyToEither_exceptionalCompletion1() {
2196	>	public void testApplyToEither_exceptionalCompletion() {
2197		for (ExecutionMode m : ExecutionMode.values())
1715	–	for (boolean createIncomplete : new boolean[] { true, false })
1716	–	for (boolean fFirst : new boolean[] { true, false })
2198		for (Integer v1 : new Integer[] { 1, null })
2199		{
2200		final CompletableFuture<Integer> f = new CompletableFuture<>();
2201		final CompletableFuture<Integer> g = new CompletableFuture<>();
2202		final CFException ex = new CFException();
2203	<	final IncFunction r = new IncFunction(m);
2203	>	final IncFunction[] rs = new IncFunction[6];
2204	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2205
2206	<	if (!createIncomplete) (fFirst ? f : g).completeExceptionally(ex);
2207	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2208	<	if (createIncomplete) {
2209	<	checkIncomplete(h);
2210	<	assertEquals(0, r.invocationCount);
2211	<	(fFirst ? f : g).completeExceptionally(ex);
2206	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2207	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2208	>	checkIncomplete(h0);
2209	>	checkIncomplete(h1);
2210	>	rs[0].assertNotInvoked();
2211	>	rs[1].assertNotInvoked();
2212	>	f.completeExceptionally(ex);
2213	>	checkCompletedWithWrappedException(h0, ex);
2214	>	checkCompletedWithWrappedException(h1, ex);
2215	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2216	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2217	>	checkCompletedWithWrappedException(h2, ex);
2218	>	checkCompletedWithWrappedException(h3, ex);
2219	>	g.complete(v1);
2220	>
2221	>	// unspecified behavior - both source completions available
2222	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2223	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2224	>	try {
2225	>	assertEquals(inc(v1), h4.join());
2226	>	rs[4].assertValue(inc(v1));
2227	>	} catch (CompletionException ok) {
2228	>	checkCompletedWithWrappedException(h4, ex);
2229	>	rs[4].assertNotInvoked();
2230	>	}
2231	>	try {
2232	>	assertEquals(inc(v1), h5.join());
2233	>	rs[5].assertValue(inc(v1));
2234	>	} catch (CompletionException ok) {
2235	>	checkCompletedWithWrappedException(h5, ex);
2236	>	rs[5].assertNotInvoked();
2237		}
2238
2239	<	checkCompletedWithWrappedCFException(h, ex);
2240	<	(!fFirst ? f : g).complete(v1);
2241	<
2242	<	assertEquals(0, r.invocationCount);
2243	<	checkCompletedNormally(!fFirst ? f : g, v1);
2244	<	checkCompletedWithWrappedCFException(fFirst ? f : g, ex);
2245	<	checkCompletedWithWrappedCFException(h, ex);
2239	>	checkCompletedExceptionally(f, ex);
2240	>	checkCompletedNormally(g, v1);
2241	>	checkCompletedWithWrappedException(h0, ex);
2242	>	checkCompletedWithWrappedException(h1, ex);
2243	>	checkCompletedWithWrappedException(h2, ex);
2244	>	checkCompletedWithWrappedException(h3, ex);
2245	>	checkCompletedWithWrappedException(h4, ex);
2246	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2247		}}
2248
2249		public void testApplyToEither_exceptionalCompletion2() {
2250		for (ExecutionMode m : ExecutionMode.values())
1743	–	for (boolean reverseArgs : new boolean[] { true, false })
2251		for (boolean fFirst : new boolean[] { true, false })
2252		for (Integer v1 : new Integer[] { 1, null })
2253		{
2254		final CompletableFuture<Integer> f = new CompletableFuture<>();
2255		final CompletableFuture<Integer> g = new CompletableFuture<>();
1749	–	final IncFunction r1 = new IncFunction(m);
1750	–	final IncFunction r2 = new IncFunction(m);
2256		final CFException ex = new CFException();
2257	<	final CompletableFuture<Integer> j = (reverseArgs ? g : f);
2258	<	final CompletableFuture<Integer> k = (reverseArgs ? f : g);
2259	<	final CompletableFuture<Integer> h1 = m.applyToEither(j, k, r1);
2260	<	if (fFirst) {
2261	<	f.complete(v1);
2262	<	g.completeExceptionally(ex);
2263	<	} else {
2264	<	g.completeExceptionally(ex);
2265	<	f.complete(v1);
1761	<	}
1762	<	final CompletableFuture<Integer> h2 = m.applyToEither(j, k, r2);
2257	>	final IncFunction[] rs = new IncFunction[6];
2258	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2259	>
2260	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2261	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2262	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2263	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2264	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2265	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2266
2267	<	// unspecified behavior
2267	>	// unspecified behavior - both source completions available
2268	>	try {
2269	>	assertEquals(inc(v1), h0.join());
2270	>	rs[0].assertValue(inc(v1));
2271	>	} catch (CompletionException ok) {
2272	>	checkCompletedWithWrappedException(h0, ex);
2273	>	rs[0].assertNotInvoked();
2274	>	}
2275		try {
2276		assertEquals(inc(v1), h1.join());
2277	<	assertEquals(1, r1.invocationCount);
2277	>	rs[1].assertValue(inc(v1));
2278		} catch (CompletionException ok) {
2279	<	checkCompletedWithWrappedCFException(h1, ex);
2280	<	assertEquals(0, r1.invocationCount);
2279	>	checkCompletedWithWrappedException(h1, ex);
2280	>	rs[1].assertNotInvoked();
2281		}
1772	–
2282		try {
2283		assertEquals(inc(v1), h2.join());
2284	<	assertEquals(1, r2.invocationCount);
2284	>	rs[2].assertValue(inc(v1));
2285		} catch (CompletionException ok) {
2286	<	checkCompletedWithWrappedCFException(h2, ex);
2287	<	assertEquals(0, r2.invocationCount);
2286	>	checkCompletedWithWrappedException(h2, ex);
2287	>	rs[2].assertNotInvoked();
2288	>	}
2289	>	try {
2290	>	assertEquals(inc(v1), h3.join());
2291	>	rs[3].assertValue(inc(v1));
2292	>	} catch (CompletionException ok) {
2293	>	checkCompletedWithWrappedException(h3, ex);
2294	>	rs[3].assertNotInvoked();
2295		}
2296
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);
2297		checkCompletedNormally(f, v1);
2298	<	checkCompletedNormally(g, v2);
2298	>	checkCompletedExceptionally(g, ex);
2299		}}
2300
2301		/**
2302		* applyToEither result completes exceptionally if either source cancelled
2303		*/
2304	<	public void testApplyToEither_sourceCancelled1() {
2304	>	public void testApplyToEither_sourceCancelled() {
2305		for (ExecutionMode m : ExecutionMode.values())
2306		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1828	–	for (boolean createIncomplete : new boolean[] { true, false })
1829	–	for (boolean fFirst : new boolean[] { true, false })
2307		for (Integer v1 : new Integer[] { 1, null })
2308		{
2309		final CompletableFuture<Integer> f = new CompletableFuture<>();
2310		final CompletableFuture<Integer> g = new CompletableFuture<>();
2311	<	final IncFunction r = new IncFunction(m);
2311	>	final IncFunction[] rs = new IncFunction[6];
2312	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2313
2314	<	if (!createIncomplete) assertTrue((fFirst ? f : g).cancel(mayInterruptIfRunning));
2315	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2316	<	if (createIncomplete) {
2317	<	checkIncomplete(h);
2318	<	assertEquals(0, r.invocationCount);
2319	<	assertTrue((fFirst ? f : g).cancel(mayInterruptIfRunning));
2314	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2315	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2316	>	checkIncomplete(h0);
2317	>	checkIncomplete(h1);
2318	>	rs[0].assertNotInvoked();
2319	>	rs[1].assertNotInvoked();
2320	>	f.cancel(mayInterruptIfRunning);
2321	>	checkCompletedWithWrappedCancellationException(h0);
2322	>	checkCompletedWithWrappedCancellationException(h1);
2323	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2324	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2325	>	checkCompletedWithWrappedCancellationException(h2);
2326	>	checkCompletedWithWrappedCancellationException(h3);
2327	>	g.complete(v1);
2328	>
2329	>	// unspecified behavior - both source completions available
2330	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2331	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2332	>	try {
2333	>	assertEquals(inc(v1), h4.join());
2334	>	rs[4].assertValue(inc(v1));
2335	>	} catch (CompletionException ok) {
2336	>	checkCompletedWithWrappedCancellationException(h4);
2337	>	rs[4].assertNotInvoked();
2338	>	}
2339	>	try {
2340	>	assertEquals(inc(v1), h5.join());
2341	>	rs[5].assertValue(inc(v1));
2342	>	} catch (CompletionException ok) {
2343	>	checkCompletedWithWrappedCancellationException(h5);
2344	>	rs[5].assertNotInvoked();
2345		}
2346
2347	<	checkCompletedWithWrappedCancellationException(h);
2348	<	(!fFirst ? f : g).complete(v1);
2349	<
2350	<	assertEquals(0, r.invocationCount);
2351	<	checkCompletedNormally(!fFirst ? f : g, v1);
2352	<	checkCancelled(fFirst ? f : g);
2353	<	checkCompletedWithWrappedCancellationException(h);
2347	>	checkCancelled(f);
2348	>	checkCompletedNormally(g, v1);
2349	>	checkCompletedWithWrappedCancellationException(h0);
2350	>	checkCompletedWithWrappedCancellationException(h1);
2351	>	checkCompletedWithWrappedCancellationException(h2);
2352	>	checkCompletedWithWrappedCancellationException(h3);
2353	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2354		}}
2355
2356		public void testApplyToEither_sourceCancelled2() {
2357		for (ExecutionMode m : ExecutionMode.values())
2358		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1856	–	for (boolean reverseArgs : new boolean[] { true, false })
2359		for (boolean fFirst : new boolean[] { true, false })
2360		for (Integer v1 : new Integer[] { 1, null })
2361		{
2362		final CompletableFuture<Integer> f = new CompletableFuture<>();
2363		final CompletableFuture<Integer> g = new CompletableFuture<>();
2364	<	final IncFunction r1 = new IncFunction(m);
2365	<	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);
2364	>	final IncFunction[] rs = new IncFunction[6];
2365	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2366
2367	<	final CompletableFuture<Integer> h1 = m.applyToEither(j, k, r1);
2368	<	if (fFirst) {
2369	<	f.complete(v1);
2370	<	assertTrue(g.cancel(mayInterruptIfRunning));
2371	<	} else {
2372	<	assertTrue(g.cancel(mayInterruptIfRunning));
1874	<	f.complete(v1);
1875	<	}
1876	<	final CompletableFuture<Integer> h2 = m.applyToEither(j, k, r2);
2367	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2368	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2369	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2370	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2371	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2372	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2373
2374	<	// unspecified behavior
2374	>	// unspecified behavior - both source completions available
2375	>	try {
2376	>	assertEquals(inc(v1), h0.join());
2377	>	rs[0].assertValue(inc(v1));
2378	>	} catch (CompletionException ok) {
2379	>	checkCompletedWithWrappedCancellationException(h0);
2380	>	rs[0].assertNotInvoked();
2381	>	}
2382		try {
2383		assertEquals(inc(v1), h1.join());
2384	<	assertEquals(1, r1.invocationCount);
2384	>	rs[1].assertValue(inc(v1));
2385		} catch (CompletionException ok) {
2386		checkCompletedWithWrappedCancellationException(h1);
2387	<	assertEquals(0, r1.invocationCount);
2387	>	rs[1].assertNotInvoked();
2388		}
1886	–
2389		try {
2390		assertEquals(inc(v1), h2.join());
2391	<	assertEquals(1, r2.invocationCount);
2391	>	rs[2].assertValue(inc(v1));
2392		} catch (CompletionException ok) {
2393		checkCompletedWithWrappedCancellationException(h2);
2394	<	assertEquals(0, r2.invocationCount);
2394	>	rs[2].assertNotInvoked();
2395	>	}
2396	>	try {
2397	>	assertEquals(inc(v1), h3.join());
2398	>	rs[3].assertValue(inc(v1));
2399	>	} catch (CompletionException ok) {
2400	>	checkCompletedWithWrappedCancellationException(h3);
2401	>	rs[3].assertNotInvoked();
2402		}
2403
1895	–	checkCancelled(g);
2404		checkCompletedNormally(f, v1);
2405	+	checkCancelled(g);
2406		}}
2407
2408		/**
2409	<	* acceptEither result completes normally after normal completion
1901	<	* of either source
2409	>	* applyToEither result completes exceptionally if action does
2410		*/
2411	<	public void testAcceptEither_normalCompletion1() {
2411	>	public void testApplyToEither_actionFailed() {
2412		for (ExecutionMode m : ExecutionMode.values())
2413		for (Integer v1 : new Integer[] { 1, null })
2414		for (Integer v2 : new Integer[] { 2, null })
2415		{
2416		final CompletableFuture<Integer> f = new CompletableFuture<>();
2417		final CompletableFuture<Integer> g = new CompletableFuture<>();
2418	<	final IncAction r = new IncAction();
2419	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2418	>	final FailingFunction[] rs = new FailingFunction[6];
2419	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2420
2421	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2422	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2423		f.complete(v1);
2424	<	checkCompletedNormally(h, null);
2425	<	assertEquals(inc(v1), r.value);
2426	<	g.complete(v2);
2427	<
2428	<	checkCompletedNormally(f, v1);
2429	<	checkCompletedNormally(g, v2);
2430	<	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);
2424	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2425	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2426	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2427	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2428	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2429	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2430	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2431
2432		g.complete(v2);
2433	<	checkCompletedNormally(h, null);
2434	<	assertEquals(inc(v2), r.value);
2435	<	f.complete(v1);
2433	>
2434	>	// unspecified behavior - both source completions available
2435	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2436	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2437	>
2438	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2439	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2440	>	Objects.equals(v2, rs[4].value));
2441	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2442	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2443	>	Objects.equals(v2, rs[5].value));
2444
2445		checkCompletedNormally(f, v1);
2446		checkCompletedNormally(g, v2);
1940	–	checkCompletedNormally(h, null);
2447		}}
2448
2449	<	public void testAcceptEither_normalCompletion3() {
2449	>	/**
2450	>	* acceptEither result completes normally after normal completion
2451	>	* of either source
2452	>	*/
2453	>	public void testAcceptEither_normalCompletion() {
2454		for (ExecutionMode m : ExecutionMode.values())
2455		for (Integer v1 : new Integer[] { 1, null })
2456		for (Integer v2 : new Integer[] { 2, null })
2457		{
2458		final CompletableFuture<Integer> f = new CompletableFuture<>();
2459		final CompletableFuture<Integer> g = new CompletableFuture<>();
2460	<	final IncAction r = new IncAction();
2460	>	final NoopConsumer[] rs = new NoopConsumer[6];
2461	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2462
2463	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2464	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2465	+	checkIncomplete(h0);
2466	+	checkIncomplete(h1);
2467	+	rs[0].assertNotInvoked();
2468	+	rs[1].assertNotInvoked();
2469		f.complete(v1);
2470	+	checkCompletedNormally(h0, null);
2471	+	checkCompletedNormally(h1, null);
2472	+	rs[0].assertValue(v1);
2473	+	rs[1].assertValue(v1);
2474	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2475	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2476	+	checkCompletedNormally(h2, null);
2477	+	checkCompletedNormally(h3, null);
2478	+	rs[2].assertValue(v1);
2479	+	rs[3].assertValue(v1);
2480		g.complete(v2);
1954	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2481
2482	<	checkCompletedNormally(h, null);
2482	>	// unspecified behavior - both source completions available
2483	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2484	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2485	>	checkCompletedNormally(h4, null);
2486	>	checkCompletedNormally(h5, null);
2487	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2488	>	Objects.equals(v2, rs[4].value));
2489	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2490	>	Objects.equals(v2, rs[5].value));
2491	>
2492		checkCompletedNormally(f, v1);
2493		checkCompletedNormally(g, v2);
2494	<
2495	<	// unspecified behavior
2496	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2497	<	Objects.equals(r.value, inc(v2)));
2494	>	checkCompletedNormally(h0, null);
2495	>	checkCompletedNormally(h1, null);
2496	>	checkCompletedNormally(h2, null);
2497	>	checkCompletedNormally(h3, null);
2498	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2499		}}
2500
2501		/**
2502		* acceptEither result completes exceptionally after exceptional
2503		* completion of either source
2504		*/
2505	<	public void testAcceptEither_exceptionalCompletion1() {
2505	>	public void testAcceptEither_exceptionalCompletion() {
2506		for (ExecutionMode m : ExecutionMode.values())
2507		for (Integer v1 : new Integer[] { 1, null })
2508		{
2509		final CompletableFuture<Integer> f = new CompletableFuture<>();
2510		final CompletableFuture<Integer> g = new CompletableFuture<>();
1975	–	final IncAction r = new IncAction();
1976	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2511		final CFException ex = new CFException();
2512	+	final NoopConsumer[] rs = new NoopConsumer[6];
2513	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2514
2515	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2516	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2517	+	checkIncomplete(h0);
2518	+	checkIncomplete(h1);
2519	+	rs[0].assertNotInvoked();
2520	+	rs[1].assertNotInvoked();
2521		f.completeExceptionally(ex);
2522	<	checkCompletedWithWrappedCFException(h, ex);
2522	>	checkCompletedWithWrappedException(h0, ex);
2523	>	checkCompletedWithWrappedException(h1, ex);
2524	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2525	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2526	>	checkCompletedWithWrappedException(h2, ex);
2527	>	checkCompletedWithWrappedException(h3, ex);
2528	>
2529		g.complete(v1);
2530
2531	<	assertEquals(0, r.invocationCount);
2531	>	// unspecified behavior - both source completions available
2532	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2533	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2534	>	try {
2535	>	assertNull(h4.join());
2536	>	rs[4].assertValue(v1);
2537	>	} catch (CompletionException ok) {
2538	>	checkCompletedWithWrappedException(h4, ex);
2539	>	rs[4].assertNotInvoked();
2540	>	}
2541	>	try {
2542	>	assertNull(h5.join());
2543	>	rs[5].assertValue(v1);
2544	>	} catch (CompletionException ok) {
2545	>	checkCompletedWithWrappedException(h5, ex);
2546	>	rs[5].assertNotInvoked();
2547	>	}
2548	>
2549	>	checkCompletedExceptionally(f, ex);
2550		checkCompletedNormally(g, v1);
2551	<	checkCompletedWithWrappedCFException(f, ex);
2552	<	checkCompletedWithWrappedCFException(h, ex);
2551	>	checkCompletedWithWrappedException(h0, ex);
2552	>	checkCompletedWithWrappedException(h1, ex);
2553	>	checkCompletedWithWrappedException(h2, ex);
2554	>	checkCompletedWithWrappedException(h3, ex);
2555	>	checkCompletedWithWrappedException(h4, ex);
2556	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2557		}}
2558
2559		public void testAcceptEither_exceptionalCompletion2() {
2560		for (ExecutionMode m : ExecutionMode.values())
2561	+	for (boolean fFirst : new boolean[] { true, false })
2562		for (Integer v1 : new Integer[] { 1, null })
2563		{
2564		final CompletableFuture<Integer> f = new CompletableFuture<>();
2565		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();
2566		final CFException ex = new CFException();
2567	+	final NoopConsumer[] rs = new NoopConsumer[6];
2568	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2569
2570	<	g.completeExceptionally(ex);
2571	<	f.complete(v1);
2572	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2570	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2571	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2572	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2573	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2574	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2575	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2576
2577	<	// unspecified behavior
2023	<	Integer v;
2577	>	// unspecified behavior - both source completions available
2578		try {
2579	<	assertNull(h.join());
2580	<	assertEquals(1, r.invocationCount);
2027	<	assertEquals(inc(v1), r.value);
2579	>	assertNull(h0.join());
2580	>	rs[0].assertValue(v1);
2581		} catch (CompletionException ok) {
2582	<	checkCompletedWithWrappedCFException(h, ex);
2583	<	assertEquals(0, r.invocationCount);
2582	>	checkCompletedWithWrappedException(h0, ex);
2583	>	rs[0].assertNotInvoked();
2584		}
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;
2585		try {
2586	<	assertNull(h.join());
2587	<	assertEquals(1, r.invocationCount);
2055	<	assertEquals(inc(v1), r.value);
2586	>	assertNull(h1.join());
2587	>	rs[1].assertValue(v1);
2588		} catch (CompletionException ok) {
2589	<	checkCompletedWithWrappedCFException(h, ex);
2590	<	assertEquals(0, r.invocationCount);
2589	>	checkCompletedWithWrappedException(h1, ex);
2590	>	rs[1].assertNotInvoked();
2591	>	}
2592	>	try {
2593	>	assertNull(h2.join());
2594	>	rs[2].assertValue(v1);
2595	>	} catch (CompletionException ok) {
2596	>	checkCompletedWithWrappedException(h2, ex);
2597	>	rs[2].assertNotInvoked();
2598	>	}
2599	>	try {
2600	>	assertNull(h3.join());
2601	>	rs[3].assertValue(v1);
2602	>	} catch (CompletionException ok) {
2603	>	checkCompletedWithWrappedException(h3, ex);
2604	>	rs[3].assertNotInvoked();
2605		}
2606
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);
2607		checkCompletedNormally(f, v1);
2608	<	checkCompletedNormally(g, v2);
2608	>	checkCompletedExceptionally(g, ex);
2609		}}
2610
2611		/**
2612		* acceptEither result completes exceptionally if either source cancelled
2613		*/
2614	<	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() {
2614	>	public void testAcceptEither_sourceCancelled() {
2615		for (ExecutionMode m : ExecutionMode.values())
2616		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2617		for (Integer v1 : new Integer[] { 1, null })
2618		{
2619		final CompletableFuture<Integer> f = new CompletableFuture<>();
2620		final CompletableFuture<Integer> g = new CompletableFuture<>();
2621	<	final IncAction r = new IncAction();
2622	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2621	>	final NoopConsumer[] rs = new NoopConsumer[6];
2622	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2623
2624	<	assertTrue(g.cancel(mayInterruptIfRunning));
2625	<	checkCompletedWithWrappedCancellationException(h);
2626	<	f.complete(v1);
2627	<
2628	<	checkCancelled(g);
2629	<	assertEquals(0, r.invocationCount);
2630	<	checkCompletedNormally(f, v1);
2631	<	checkCompletedWithWrappedCancellationException(h);
2632	<	}}
2624	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2625	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2626	>	checkIncomplete(h0);
2627	>	checkIncomplete(h1);
2628	>	rs[0].assertNotInvoked();
2629	>	rs[1].assertNotInvoked();
2630	>	f.cancel(mayInterruptIfRunning);
2631	>	checkCompletedWithWrappedCancellationException(h0);
2632	>	checkCompletedWithWrappedCancellationException(h1);
2633	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2634	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2635	>	checkCompletedWithWrappedCancellationException(h2);
2636	>	checkCompletedWithWrappedCancellationException(h3);
2637
2638	<	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);
2638	>	g.complete(v1);
2639
2640	<	// unspecified behavior
2641	<	Integer v;
2640	>	// unspecified behavior - both source completions available
2641	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2642	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2643		try {
2644	<	assertNull(h.join());
2645	<	assertEquals(1, r.invocationCount);
2163	<	assertEquals(inc(v1), r.value);
2644	>	assertNull(h4.join());
2645	>	rs[4].assertValue(v1);
2646		} catch (CompletionException ok) {
2647	<	checkCompletedWithWrappedCancellationException(h);
2648	<	assertEquals(0, r.invocationCount);
2647	>	checkCompletedWithWrappedCancellationException(h4);
2648	>	rs[4].assertNotInvoked();
2649		}
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;
2650		try {
2651	<	assertNull(h.join());
2652	<	assertEquals(1, r.invocationCount);
2191	<	assertEquals(inc(v1), r.value);
2651	>	assertNull(h5.join());
2652	>	rs[5].assertValue(v1);
2653		} catch (CompletionException ok) {
2654	<	checkCompletedWithWrappedCancellationException(h);
2655	<	assertEquals(0, r.invocationCount);
2654	>	checkCompletedWithWrappedCancellationException(h5);
2655	>	rs[5].assertNotInvoked();
2656		}
2657
2658		checkCancelled(f);
2659		checkCompletedNormally(g, v1);
2660	+	checkCompletedWithWrappedCancellationException(h0);
2661	+	checkCompletedWithWrappedCancellationException(h1);
2662	+	checkCompletedWithWrappedCancellationException(h2);
2663	+	checkCompletedWithWrappedCancellationException(h3);
2664	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2665		}}
2666
2667		/**
2668	<	* runAfterEither result completes normally after normal completion
2203	<	* of either source
2668	>	* acceptEither result completes exceptionally if action does
2669		*/
2670	<	public void testRunAfterEither_normalCompletion1() {
2670	>	public void testAcceptEither_actionFailed() {
2671		for (ExecutionMode m : ExecutionMode.values())
2672		for (Integer v1 : new Integer[] { 1, null })
2673		for (Integer v2 : new Integer[] { 2, null })
2674		{
2675		final CompletableFuture<Integer> f = new CompletableFuture<>();
2676		final CompletableFuture<Integer> g = new CompletableFuture<>();
2677	<	final Noop r = new Noop(m);
2678	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2677	>	final FailingConsumer[] rs = new FailingConsumer[6];
2678	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2679
2680	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2681	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2682		f.complete(v1);
2683	<	checkCompletedNormally(h, null);
2684	<	assertEquals(1, r.invocationCount);
2683	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2684	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2685	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2686	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2687	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2688	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2689	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2690	>
2691		g.complete(v2);
2692
2693	+	// unspecified behavior - both source completions available
2694	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2695	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2696	+
2697	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2698	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2699	+	Objects.equals(v2, rs[4].value));
2700	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2701	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2702	+	Objects.equals(v2, rs[5].value));
2703	+
2704		checkCompletedNormally(f, v1);
2705		checkCompletedNormally(g, v2);
2222	–	checkCompletedNormally(h, null);
2223	–	assertEquals(1, r.invocationCount);
2706		}}
2707
2708	<	public void testRunAfterEither_normalCompletion2() {
2708	>	/**
2709	>	* runAfterEither result completes normally after normal completion
2710	>	* of either source
2711	>	*/
2712	>	public void testRunAfterEither_normalCompletion() {
2713		for (ExecutionMode m : ExecutionMode.values())
2714		for (Integer v1 : new Integer[] { 1, null })
2715		for (Integer v2 : new Integer[] { 2, null })
2716	+	for (boolean pushNop : new boolean[] { true, false })
2717		{
2718		final CompletableFuture<Integer> f = new CompletableFuture<>();
2719		final CompletableFuture<Integer> g = new CompletableFuture<>();
2720	<	final Noop r = new Noop(m);
2721	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2720	>	final Noop[] rs = new Noop[6];
2721	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2722
2723	<	g.complete(v2);
2724	<	checkCompletedNormally(h, null);
2725	<	assertEquals(1, r.invocationCount);
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	>	if (pushNop) {          // ad hoc test of intra-completion interference
2730	>	m.thenRun(f, () -> {});
2731	>	m.thenRun(g, () -> {});
2732	>	}
2733		f.complete(v1);
2734	+	checkCompletedNormally(h0, null);
2735	+	checkCompletedNormally(h1, null);
2736	+	rs[0].assertInvoked();
2737	+	rs[1].assertInvoked();
2738	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2739	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2740	+	checkCompletedNormally(h2, null);
2741	+	checkCompletedNormally(h3, null);
2742	+	rs[2].assertInvoked();
2743	+	rs[3].assertInvoked();
2744
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);
2745		g.complete(v2);
2258	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2746
2747	<	checkCompletedNormally(h, null);
2747	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2748	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2749	>
2750		checkCompletedNormally(f, v1);
2751		checkCompletedNormally(g, v2);
2752	<	assertEquals(1, r.invocationCount);
2752	>	checkCompletedNormally(h0, null);
2753	>	checkCompletedNormally(h1, null);
2754	>	checkCompletedNormally(h2, null);
2755	>	checkCompletedNormally(h3, null);
2756	>	checkCompletedNormally(h4, null);
2757	>	checkCompletedNormally(h5, null);
2758	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2759		}}
2760
2761		/**
2762		* runAfterEither result completes exceptionally after exceptional
2763		* completion of either source
2764		*/
2765	<	public void testRunAfterEither_exceptionalCompletion1() {
2765	>	public void testRunAfterEither_exceptionalCompletion() {
2766		for (ExecutionMode m : ExecutionMode.values())
2767		for (Integer v1 : new Integer[] { 1, null })
2768		{
2769		final CompletableFuture<Integer> f = new CompletableFuture<>();
2770		final CompletableFuture<Integer> g = new CompletableFuture<>();
2276	–	final Noop r = new Noop(m);
2277	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2771		final CFException ex = new CFException();
2772	+	final Noop[] rs = new Noop[6];
2773	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2774
2775	<	f.completeExceptionally(ex);
2776	<	checkCompletedWithWrappedCFException(h, ex);
2777	<	g.complete(v1);
2775	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2776	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2777	>	checkIncomplete(h0);
2778	>	checkIncomplete(h1);
2779	>	rs[0].assertNotInvoked();
2780	>	rs[1].assertNotInvoked();
2781	>	assertTrue(f.completeExceptionally(ex));
2782	>	checkCompletedWithWrappedException(h0, ex);
2783	>	checkCompletedWithWrappedException(h1, ex);
2784	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2785	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2786	>	checkCompletedWithWrappedException(h2, ex);
2787	>	checkCompletedWithWrappedException(h3, ex);
2788	>
2789	>	assertTrue(g.complete(v1));
2790	>
2791	>	// unspecified behavior - both source completions available
2792	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2793	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2794	>	try {
2795	>	assertNull(h4.join());
2796	>	rs[4].assertInvoked();
2797	>	} catch (CompletionException ok) {
2798	>	checkCompletedWithWrappedException(h4, ex);
2799	>	rs[4].assertNotInvoked();
2800	>	}
2801	>	try {
2802	>	assertNull(h5.join());
2803	>	rs[5].assertInvoked();
2804	>	} catch (CompletionException ok) {
2805	>	checkCompletedWithWrappedException(h5, ex);
2806	>	rs[5].assertNotInvoked();
2807	>	}
2808
2809	<	assertEquals(0, r.invocationCount);
2809	>	checkCompletedExceptionally(f, ex);
2810		checkCompletedNormally(g, v1);
2811	<	checkCompletedWithWrappedCFException(f, ex);
2812	<	checkCompletedWithWrappedCFException(h, ex);
2811	>	checkCompletedWithWrappedException(h0, ex);
2812	>	checkCompletedWithWrappedException(h1, ex);
2813	>	checkCompletedWithWrappedException(h2, ex);
2814	>	checkCompletedWithWrappedException(h3, ex);
2815	>	checkCompletedWithWrappedException(h4, ex);
2816	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2817		}}
2818
2819		public void testRunAfterEither_exceptionalCompletion2() {
2820		for (ExecutionMode m : ExecutionMode.values())
2821	+	for (boolean fFirst : new boolean[] { true, false })
2822		for (Integer v1 : new Integer[] { 1, null })
2823		{
2824		final CompletableFuture<Integer> f = new CompletableFuture<>();
2825		final CompletableFuture<Integer> g = new CompletableFuture<>();
2296	–	final Noop r = new Noop(m);
2297	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2298	–	final CFException ex = new CFException();
2299	–
2300	–	g.completeExceptionally(ex);
2301	–	checkCompletedWithWrappedCFException(h, ex);
2302	–	f.complete(v1);
2303	–
2304	–	assertEquals(0, r.invocationCount);
2305	–	checkCompletedNormally(f, v1);
2306	–	checkCompletedWithWrappedCFException(g, ex);
2307	–	checkCompletedWithWrappedCFException(h, ex);
2308	–	}}
2309	–
2310	–	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);
2826		final CFException ex = new CFException();
2827	+	final Noop[] rs = new Noop[6];
2828	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2829
2830	<	g.completeExceptionally(ex);
2831	<	f.complete(v1);
2832	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2830	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2831	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2832	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2833	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2834	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2835	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2836
2837	<	// unspecified behavior
2324	<	Integer v;
2837	>	// unspecified behavior - both source completions available
2838		try {
2839	<	assertNull(h.join());
2840	<	assertEquals(1, r.invocationCount);
2839	>	assertNull(h0.join());
2840	>	rs[0].assertInvoked();
2841		} catch (CompletionException ok) {
2842	<	checkCompletedWithWrappedCFException(h, ex);
2843	<	assertEquals(0, r.invocationCount);
2842	>	checkCompletedWithWrappedException(h0, ex);
2843	>	rs[0].assertNotInvoked();
2844		}
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;
2845		try {
2846	<	assertNull(h.join());
2847	<	assertEquals(1, r.invocationCount);
2846	>	assertNull(h1.join());
2847	>	rs[1].assertInvoked();
2848		} catch (CompletionException ok) {
2849	<	checkCompletedWithWrappedCFException(h, ex);
2850	<	assertEquals(0, r.invocationCount);
2849	>	checkCompletedWithWrappedException(h1, ex);
2850	>	rs[1].assertNotInvoked();
2851	>	}
2852	>	try {
2853	>	assertNull(h2.join());
2854	>	rs[2].assertInvoked();
2855	>	} catch (CompletionException ok) {
2856	>	checkCompletedWithWrappedException(h2, ex);
2857	>	rs[2].assertNotInvoked();
2858	>	}
2859	>	try {
2860	>	assertNull(h3.join());
2861	>	rs[3].assertInvoked();
2862	>	} catch (CompletionException ok) {
2863	>	checkCompletedWithWrappedException(h3, ex);
2864	>	rs[3].assertNotInvoked();
2865		}
2866
2360	–	checkCompletedWithWrappedCFException(f, ex);
2361	–	checkCompletedNormally(g, v1);
2362	–	}}
2363	–
2364	–	/**
2365	–	* runAfterEither result completes exceptionally if action does
2366	–	*/
2367	–	public void testRunAfterEither_actionFailed1() {
2368	–	for (ExecutionMode m : ExecutionMode.values())
2369	–	for (Integer v1 : new Integer[] { 1, null })
2370	–	for (Integer v2 : new Integer[] { 2, null })
2371	–	{
2372	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2373	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2374	–	final FailingRunnable r = new FailingRunnable(m);
2375	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2376	–
2377	–	f.complete(v1);
2378	–	checkCompletedWithWrappedCFException(h);
2379	–	g.complete(v2);
2380	–	checkCompletedNormally(f, v1);
2381	–	checkCompletedNormally(g, v2);
2382	–	}}
2383	–
2384	–	public void testRunAfterEither_actionFailed2() {
2385	–	for (ExecutionMode m : ExecutionMode.values())
2386	–	for (Integer v1 : new Integer[] { 1, null })
2387	–	for (Integer v2 : new Integer[] { 2, null })
2388	–	{
2389	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2390	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2391	–	final FailingRunnable r = new FailingRunnable(m);
2392	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2393	–
2394	–	g.complete(v2);
2395	–	checkCompletedWithWrappedCFException(h);
2396	–	f.complete(v1);
2867		checkCompletedNormally(f, v1);
2868	<	checkCompletedNormally(g, v2);
2868	>	checkCompletedExceptionally(g, ex);
2869		}}
2870
2871		/**
2872		* runAfterEither result completes exceptionally if either source cancelled
2873		*/
2874	<	public void testRunAfterEither_sourceCancelled1() {
2405	<	for (ExecutionMode m : ExecutionMode.values())
2406	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2407	<	for (Integer v1 : new Integer[] { 1, null })
2408	<	{
2409	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2410	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2411	<	final Noop r = new Noop(m);
2412	<	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() {
2874	>	public void testRunAfterEither_sourceCancelled() {
2875		for (ExecutionMode m : ExecutionMode.values())
2876		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2877		for (Integer v1 : new Integer[] { 1, null })
2878		{
2879		final CompletableFuture<Integer> f = new CompletableFuture<>();
2880		final CompletableFuture<Integer> g = new CompletableFuture<>();
2881	<	final Noop r = new Noop(m);
2882	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2881	>	final Noop[] rs = new Noop[6];
2882	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2883
2884	<	assertTrue(g.cancel(mayInterruptIfRunning));
2885	<	checkCompletedWithWrappedCancellationException(h);
2886	<	f.complete(v1);
2887	<
2888	<	checkCancelled(g);
2889	<	assertEquals(0, r.invocationCount);
2890	<	checkCompletedNormally(f, v1);
2891	<	checkCompletedWithWrappedCancellationException(h);
2892	<	}}
2893	<
2894	<	public void testRunAfterEither_sourceCancelled3() {
2895	<	for (ExecutionMode m : ExecutionMode.values())
2896	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2897	<	for (Integer v1 : new Integer[] { 1, null })
2898	<	{
2899	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2900	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2901	<	final Noop r = new Noop(m);
2902	<
2453	<	assertTrue(g.cancel(mayInterruptIfRunning));
2454	<	f.complete(v1);
2455	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2456	<
2457	<	// unspecified behavior
2458	<	Integer v;
2884	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2885	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2886	>	checkIncomplete(h0);
2887	>	checkIncomplete(h1);
2888	>	rs[0].assertNotInvoked();
2889	>	rs[1].assertNotInvoked();
2890	>	f.cancel(mayInterruptIfRunning);
2891	>	checkCompletedWithWrappedCancellationException(h0);
2892	>	checkCompletedWithWrappedCancellationException(h1);
2893	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2894	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2895	>	checkCompletedWithWrappedCancellationException(h2);
2896	>	checkCompletedWithWrappedCancellationException(h3);
2897	>
2898	>	assertTrue(g.complete(v1));
2899	>
2900	>	// unspecified behavior - both source completions available
2901	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2902	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2903		try {
2904	<	assertNull(h.join());
2905	<	assertEquals(1, r.invocationCount);
2904	>	assertNull(h4.join());
2905	>	rs[4].assertInvoked();
2906		} catch (CompletionException ok) {
2907	<	checkCompletedWithWrappedCancellationException(h);
2908	<	assertEquals(0, r.invocationCount);
2907	>	checkCompletedWithWrappedCancellationException(h4);
2908	>	rs[4].assertNotInvoked();
2909	>	}
2910	>	try {
2911	>	assertNull(h5.join());
2912	>	rs[5].assertInvoked();
2913	>	} catch (CompletionException ok) {
2914	>	checkCompletedWithWrappedCancellationException(h5);
2915	>	rs[5].assertNotInvoked();
2916		}
2917
2918	<	checkCancelled(g);
2919	<	checkCompletedNormally(f, v1);
2918	>	checkCancelled(f);
2919	>	checkCompletedNormally(g, v1);
2920	>	checkCompletedWithWrappedCancellationException(h0);
2921	>	checkCompletedWithWrappedCancellationException(h1);
2922	>	checkCompletedWithWrappedCancellationException(h2);
2923	>	checkCompletedWithWrappedCancellationException(h3);
2924	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2925		}}
2926
2927	<	public void testRunAfterEither_sourceCancelled4() {
2927	>	/**
2928	>	* runAfterEither result completes exceptionally if action does
2929	>	*/
2930	>	public void testRunAfterEither_actionFailed() {
2931		for (ExecutionMode m : ExecutionMode.values())
2473	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2932		for (Integer v1 : new Integer[] { 1, null })
2933	+	for (Integer v2 : new Integer[] { 2, null })
2934		{
2935		final CompletableFuture<Integer> f = new CompletableFuture<>();
2936		final CompletableFuture<Integer> g = new CompletableFuture<>();
2937	<	final Noop r = new Noop(m);
2937	>	final FailingRunnable[] rs = new FailingRunnable[6];
2938	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2939
2940	<	assertTrue(f.cancel(mayInterruptIfRunning));
2941	<	g.complete(v1);
2942	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2943	<
2944	<	// unspecified behavior
2945	<	Integer v;
2946	<	try {
2947	<	assertNull(h.join());
2948	<	assertEquals(1, r.invocationCount);
2949	<	} catch (CompletionException ok) {
2950	<	checkCompletedWithWrappedCancellationException(h);
2951	<	assertEquals(0, r.invocationCount);
2952	<	}
2940	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2941	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2942	>	assertTrue(f.complete(v1));
2943	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2944	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2945	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2946	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2947	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2948	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2949	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2950	>	assertTrue(g.complete(v2));
2951	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2952	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2953	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2954	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2955
2956	<	checkCancelled(f);
2957	<	checkCompletedNormally(g, v1);
2956	>	checkCompletedNormally(f, v1);
2957	>	checkCompletedNormally(g, v2);
2958	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2959		}}
2960
2961		/**
#	Line 2505 | Line 2968 | public class CompletableFutureTest exten
2968		{
2969		final CompletableFuture<Integer> f = new CompletableFuture<>();
2970		final CompletableFutureInc r = new CompletableFutureInc(m);
2971	<	if (!createIncomplete) f.complete(v1);
2971	>	if (!createIncomplete) assertTrue(f.complete(v1));
2972		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2973	<	if (createIncomplete) f.complete(v1);
2973	>	if (createIncomplete) assertTrue(f.complete(v1));
2974
2975		checkCompletedNormally(g, inc(v1));
2976		checkCompletedNormally(f, v1);
2977	<	assertEquals(1, r.invocationCount);
2977	>	r.assertValue(v1);
2978		}}
2979
2980		/**
#	Line 2529 | Line 2992 | public class CompletableFutureTest exten
2992		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2993		if (createIncomplete) f.completeExceptionally(ex);
2994
2995	<	checkCompletedWithWrappedCFException(g, ex);
2996	<	checkCompletedWithWrappedCFException(f, ex);
2997	<	assertEquals(0, r.invocationCount);
2995	>	checkCompletedWithWrappedException(g, ex);
2996	>	checkCompletedExceptionally(f, ex);
2997	>	r.assertNotInvoked();
2998		}}
2999
3000		/**
#	Line 2545 | Line 3008 | public class CompletableFutureTest exten
3008		final CompletableFuture<Integer> f = new CompletableFuture<>();
3009		final FailingCompletableFutureFunction r
3010		= new FailingCompletableFutureFunction(m);
3011	<	if (!createIncomplete) f.complete(v1);
3011	>	if (!createIncomplete) assertTrue(f.complete(v1));
3012		final CompletableFuture<Integer> g = m.thenCompose(f, r);
3013	<	if (createIncomplete) f.complete(v1);
3013	>	if (createIncomplete) assertTrue(f.complete(v1));
3014
3015	<	checkCompletedWithWrappedCFException(g);
3015	>	checkCompletedWithWrappedException(g, r.ex);
3016		checkCompletedNormally(f, v1);
3017		}}
3018
#	Line 2574 | Line 3037 | public class CompletableFutureTest exten
3037		checkCancelled(f);
3038		}}
3039
3040	+	/**
3041	+	* thenCompose result completes exceptionally if the result of the action does
3042	+	*/
3043	+	public void testThenCompose_actionReturnsFailingFuture() {
3044	+	for (ExecutionMode m : ExecutionMode.values())
3045	+	for (int order = 0; order < 6; order++)
3046	+	for (Integer v1 : new Integer[] { 1, null })
3047	+	{
3048	+	final CFException ex = new CFException();
3049	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3050	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
3051	+	final CompletableFuture<Integer> h;
3052	+	// Test all permutations of orders
3053	+	switch (order) {
3054	+	case 0:
3055	+	assertTrue(f.complete(v1));
3056	+	assertTrue(g.completeExceptionally(ex));
3057	+	h = m.thenCompose(f, (x -> g));
3058	+	break;
3059	+	case 1:
3060	+	assertTrue(f.complete(v1));
3061	+	h = m.thenCompose(f, (x -> g));
3062	+	assertTrue(g.completeExceptionally(ex));
3063	+	break;
3064	+	case 2:
3065	+	assertTrue(g.completeExceptionally(ex));
3066	+	assertTrue(f.complete(v1));
3067	+	h = m.thenCompose(f, (x -> g));
3068	+	break;
3069	+	case 3:
3070	+	assertTrue(g.completeExceptionally(ex));
3071	+	h = m.thenCompose(f, (x -> g));
3072	+	assertTrue(f.complete(v1));
3073	+	break;
3074	+	case 4:
3075	+	h = m.thenCompose(f, (x -> g));
3076	+	assertTrue(f.complete(v1));
3077	+	assertTrue(g.completeExceptionally(ex));
3078	+	break;
3079	+	case 5:
3080	+	h = m.thenCompose(f, (x -> g));
3081	+	assertTrue(f.complete(v1));
3082	+	assertTrue(g.completeExceptionally(ex));
3083	+	break;
3084	+	default: throw new AssertionError();
3085	+	}
3086	+
3087	+	checkCompletedExceptionally(g, ex);
3088	+	checkCompletedWithWrappedException(h, ex);
3089	+	checkCompletedNormally(f, v1);
3090	+	}}
3091	+
3092		// other static methods
3093
3094		/**
#	Line 2590 | Line 3105 | public class CompletableFutureTest exten
3105		* when all components complete normally
3106		*/
3107		public void testAllOf_normal() throws Exception {
3108	<	for (int k = 1; k < 20; ++k) {
3109	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3110	<	for (int i = 0; i < k; ++i)
3108	>	for (int k = 1; k < 10; k++) {
3109	>	CompletableFuture<Integer>[] fs
3110	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3111	>	for (int i = 0; i < k; i++)
3112		fs[i] = new CompletableFuture<>();
3113		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3114	<	for (int i = 0; i < k; ++i) {
3114	>	for (int i = 0; i < k; i++) {
3115		checkIncomplete(f);
3116		checkIncomplete(CompletableFuture.allOf(fs));
3117		fs[i].complete(one);
#	Line 2605 | Line 3121 | public class CompletableFutureTest exten
3121		}
3122		}
3123
3124	+	public void testAllOf_normal_backwards() throws Exception {
3125	+	for (int k = 1; k < 10; k++) {
3126	+	CompletableFuture<Integer>[] fs
3127	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3128	+	for (int i = 0; i < k; i++)
3129	+	fs[i] = new CompletableFuture<>();
3130	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3131	+	for (int i = k - 1; i >= 0; i--) {
3132	+	checkIncomplete(f);
3133	+	checkIncomplete(CompletableFuture.allOf(fs));
3134	+	fs[i].complete(one);
3135	+	}
3136	+	checkCompletedNormally(f, null);
3137	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3138	+	}
3139	+	}
3140	+
3141	+	public void testAllOf_exceptional() throws Exception {
3142	+	for (int k = 1; k < 10; k++) {
3143	+	CompletableFuture<Integer>[] fs
3144	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3145	+	CFException ex = new CFException();
3146	+	for (int i = 0; i < k; i++)
3147	+	fs[i] = new CompletableFuture<>();
3148	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3149	+	for (int i = 0; i < k; i++) {
3150	+	checkIncomplete(f);
3151	+	checkIncomplete(CompletableFuture.allOf(fs));
3152	+	if (i != k / 2) {
3153	+	fs[i].complete(i);
3154	+	checkCompletedNormally(fs[i], i);
3155	+	} else {
3156	+	fs[i].completeExceptionally(ex);
3157	+	checkCompletedExceptionally(fs[i], ex);
3158	+	}
3159	+	}
3160	+	checkCompletedWithWrappedException(f, ex);
3161	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3162	+	}
3163	+	}
3164	+
3165		/**
3166		* anyOf(no component futures) returns an incomplete future
3167		*/
3168		public void testAnyOf_empty() throws Exception {
3169	+	for (Integer v1 : new Integer[] { 1, null })
3170	+	{
3171		CompletableFuture<Object> f = CompletableFuture.anyOf();
3172		checkIncomplete(f);
3173	<	}
3173	>
3174	>	f.complete(v1);
3175	>	checkCompletedNormally(f, v1);
3176	>	}}
3177
3178		/**
3179		* anyOf returns a future completed normally with a value when
3180		* a component future does
3181		*/
3182		public void testAnyOf_normal() throws Exception {
3183	<	for (int k = 0; k < 10; ++k) {
3183	>	for (int k = 0; k < 10; k++) {
3184		CompletableFuture[] fs = new CompletableFuture[k];
3185	<	for (int i = 0; i < k; ++i)
3185	>	for (int i = 0; i < k; i++)
3186		fs[i] = new CompletableFuture<>();
3187		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3188		checkIncomplete(f);
3189	<	for (int i = 0; i < k; ++i) {
3190	<	fs[i].complete(one);
3191	<	checkCompletedNormally(f, one);
3192	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3189	>	for (int i = 0; i < k; i++) {
3190	>	fs[i].complete(i);
3191	>	checkCompletedNormally(f, 0);
3192	>	int x = (int) CompletableFuture.anyOf(fs).join();
3193	>	assertTrue(0 <= x && x <= i);
3194	>	}
3195	>	}
3196	>	}
3197	>	public void testAnyOf_normal_backwards() throws Exception {
3198	>	for (int k = 0; k < 10; k++) {
3199	>	CompletableFuture[] fs = new CompletableFuture[k];
3200	>	for (int i = 0; i < k; i++)
3201	>	fs[i] = new CompletableFuture<>();
3202	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3203	>	checkIncomplete(f);
3204	>	for (int i = k - 1; i >= 0; i--) {
3205	>	fs[i].complete(i);
3206	>	checkCompletedNormally(f, k - 1);
3207	>	int x = (int) CompletableFuture.anyOf(fs).join();
3208	>	assertTrue(i <= x && x <= k - 1);
3209		}
3210		}
3211		}
#	Line 2636 | Line 3214 | public class CompletableFutureTest exten
3214		* anyOf result completes exceptionally when any component does.
3215		*/
3216		public void testAnyOf_exceptional() throws Exception {
3217	<	for (int k = 0; k < 10; ++k) {
3217	>	for (int k = 0; k < 10; k++) {
3218		CompletableFuture[] fs = new CompletableFuture[k];
3219	<	for (int i = 0; i < k; ++i)
3219	>	CFException[] exs = new CFException[k];
3220	>	for (int i = 0; i < k; i++) {
3221		fs[i] = new CompletableFuture<>();
3222	+	exs[i] = new CFException();
3223	+	}
3224		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3225		checkIncomplete(f);
3226	<	for (int i = 0; i < k; ++i) {
3227	<	fs[i].completeExceptionally(new CFException());
3228	<	checkCompletedWithWrappedCFException(f);
3226	>	for (int i = 0; i < k; i++) {
3227	>	fs[i].completeExceptionally(exs[i]);
3228	>	checkCompletedWithWrappedException(f, exs[0]);
3229	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3230	>	}
3231	>	}
3232	>	}
3233	>
3234	>	public void testAnyOf_exceptional_backwards() throws Exception {
3235	>	for (int k = 0; k < 10; k++) {
3236	>	CompletableFuture[] fs = new CompletableFuture[k];
3237	>	CFException[] exs = new CFException[k];
3238	>	for (int i = 0; i < k; i++) {
3239	>	fs[i] = new CompletableFuture<>();
3240	>	exs[i] = new CFException();
3241	>	}
3242	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3243	>	checkIncomplete(f);
3244	>	for (int i = k - 1; i >= 0; i--) {
3245	>	fs[i].completeExceptionally(exs[i]);
3246	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3247		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3248		}
3249		}
#	Line 2653 | Line 3252 | public class CompletableFutureTest exten
3252		/**
3253		* Completion methods throw NullPointerException with null arguments
3254		*/
3255	+	@SuppressWarnings("FutureReturnValueIgnored")
3256		public void testNPE() {
3257		CompletableFuture<Integer> f = new CompletableFuture<>();
3258		CompletableFuture<Integer> g = new CompletableFuture<>();
3259		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2660	–	CompletableFuture<?> h;
3260		ThreadExecutor exec = new ThreadExecutor();
3261
3262		Runnable[] throwingActions = {
3263		() -> CompletableFuture.supplyAsync(null),
3264		() -> CompletableFuture.supplyAsync(null, exec),
3265	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3265	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3266
3267		() -> CompletableFuture.runAsync(null),
3268		() -> CompletableFuture.runAsync(null, exec),
#	Line 2673 | Line 3272 | public class CompletableFutureTest exten
3272
3273		() -> f.thenApply(null),
3274		() -> f.thenApplyAsync(null),
3275	<	() -> f.thenApplyAsync((x) -> x, null),
3275	>	() -> f.thenApplyAsync(x -> x, null),
3276		() -> f.thenApplyAsync(null, exec),
3277
3278		() -> f.thenAccept(null),
3279		() -> f.thenAcceptAsync(null),
3280	<	() -> f.thenAcceptAsync((x) -> {} , null),
3280	>	() -> f.thenAcceptAsync(x -> {} , null),
3281		() -> f.thenAcceptAsync(null, exec),
3282
3283		() -> f.thenRun(null),
#	Line 2713 | Line 3312 | public class CompletableFutureTest exten
3312		() -> f.applyToEither(g, null),
3313		() -> f.applyToEitherAsync(g, null),
3314		() -> f.applyToEitherAsync(g, null, exec),
3315	<	() -> f.applyToEither(nullFuture, (x) -> x),
3316	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3317	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3318	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3315	>	() -> f.applyToEither(nullFuture, x -> x),
3316	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3317	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3318	>	() -> f.applyToEitherAsync(g, x -> x, null),
3319
3320		() -> f.acceptEither(g, null),
3321		() -> f.acceptEitherAsync(g, null),
3322		() -> f.acceptEitherAsync(g, null, exec),
3323	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3324	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3325	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3326	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3323	>	() -> f.acceptEither(nullFuture, x -> {}),
3324	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3325	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3326	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3327
3328		() -> f.runAfterEither(g, null),
3329		() -> f.runAfterEitherAsync(g, null),
#	Line 2754 | Line 3353 | public class CompletableFutureTest exten
3353		() -> CompletableFuture.anyOf(null, f),
3354
3355		() -> f.obtrudeException(null),
3356	+
3357	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3358	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3359	+	() -> CompletableFuture.delayedExecutor(1L, null),
3360	+
3361	+	() -> f.orTimeout(1L, null),
3362	+	() -> f.completeOnTimeout(42, 1L, null),
3363	+
3364	+	() -> CompletableFuture.failedFuture(null),
3365	+	() -> CompletableFuture.failedStage(null),
3366		};
3367
3368		assertThrows(NullPointerException.class, throwingActions);
#	Line 2761 | Line 3370 | public class CompletableFutureTest exten
3370		}
3371
3372		/**
3373	+	* Test submissions to an executor that rejects all tasks.
3374	+	*/
3375	+	public void testRejectingExecutor() {
3376	+	for (Integer v : new Integer[] { 1, null })
3377	+	{
3378	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3379	+
3380	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3381	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3382	+
3383	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3384	+
3385	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3386	+	srcs.add(complete);
3387	+	srcs.add(incomplete);
3388	+
3389	+	for (CompletableFuture<Integer> src : srcs) {
3390	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3391	+	fs.add(src.thenRunAsync(() -> {}, e));
3392	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3393	+	fs.add(src.thenApplyAsync(z -> z, e));
3394	+
3395	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3396	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3397	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3398	+
3399	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3400	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3401	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3402	+
3403	+	fs.add(src.thenComposeAsync(z -> null, e));
3404	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3405	+	fs.add(src.handleAsync((z, t) -> null, e));
3406	+
3407	+	for (CompletableFuture<?> future : fs) {
3408	+	if (src.isDone())
3409	+	checkCompletedWithWrappedException(future, e.ex);
3410	+	else
3411	+	checkIncomplete(future);
3412	+	}
3413	+	futures.addAll(fs);
3414	+	}
3415	+
3416	+	{
3417	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3418	+
3419	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3420	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3421	+
3422	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3423	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3424	+
3425	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3426	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3427	+
3428	+	for (CompletableFuture<?> future : fs)
3429	+	checkIncomplete(future);
3430	+	futures.addAll(fs);
3431	+	}
3432	+
3433	+	{
3434	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3435	+
3436	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3437	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3438	+
3439	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3440	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3441	+
3442	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3443	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3444	+
3445	+	for (CompletableFuture<?> future : fs)
3446	+	checkCompletedWithWrappedException(future, e.ex);
3447	+	futures.addAll(fs);
3448	+	}
3449	+
3450	+	incomplete.complete(v);
3451	+
3452	+	for (CompletableFuture<?> future : futures)
3453	+	checkCompletedWithWrappedException(future, e.ex);
3454	+
3455	+	assertEquals(futures.size(), e.count.get());
3456	+	}}
3457	+
3458	+	/**
3459	+	* Test submissions to an executor that rejects all tasks, but
3460	+	* should never be invoked because the dependent future is
3461	+	* explicitly completed.
3462	+	*/
3463	+	public void testRejectingExecutorNeverInvoked() {
3464	+	for (Integer v : new Integer[] { 1, null })
3465	+	{
3466	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3467	+
3468	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3469	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3470	+
3471	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3472	+
3473	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3474	+	srcs.add(complete);
3475	+	srcs.add(incomplete);
3476	+
3477	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3478	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3479	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3480	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3481	+
3482	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3483	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3484	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3485	+
3486	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3487	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3488	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3489	+
3490	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3491	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3492	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3493	+
3494	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3495	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3496	+
3497	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3498	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3499	+
3500	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3501	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3502	+
3503	+	for (CompletableFuture<?> future : fs)
3504	+	checkIncomplete(future);
3505	+
3506	+	for (CompletableFuture<?> future : fs)
3507	+	future.complete(null);
3508	+
3509	+	incomplete.complete(v);
3510	+
3511	+	for (CompletableFuture<?> future : fs)
3512	+	checkCompletedNormally(future, null);
3513	+
3514	+	assertEquals(0, e.count.get());
3515	+	}}
3516	+
3517	+	/**
3518		* toCompletableFuture returns this CompletableFuture.
3519		*/
3520		public void testToCompletableFuture() {
#	Line 2768 | Line 3522 | public class CompletableFutureTest exten
3522		assertSame(f, f.toCompletableFuture());
3523		}
3524
3525	+	// jdk9
3526	+
3527		/**
3528	<	* whenComplete action executes on normal completion, propagating
2773	<	* source result.
3528	>	* newIncompleteFuture returns an incomplete CompletableFuture
3529		*/
3530	<	public void testWhenComplete_normalCompletion1() {
2776	<	for (ExecutionMode m : ExecutionMode.values())
2777	<	for (boolean createIncomplete : new boolean[] { true, false })
3530	>	public void testNewIncompleteFuture() {
3531		for (Integer v1 : new Integer[] { 1, null })
3532		{
3533	<	final AtomicInteger a = new AtomicInteger(0);
3534	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3535	<	if (!createIncomplete) f.complete(v1);
3536	<	final CompletableFuture<Integer> g = m.whenComplete
3537	<	(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);
3533	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3534	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3535	>	checkIncomplete(f);
3536	>	checkIncomplete(g);
3537	>	f.complete(v1);
3538		checkCompletedNormally(f, v1);
3539	<	assertEquals(1, a.get());
3539	>	checkIncomplete(g);
3540	>	g.complete(v1);
3541	>	checkCompletedNormally(g, v1);
3542	>	assertSame(g.getClass(), CompletableFuture.class);
3543		}}
3544
3545		/**
3546	<	* whenComplete action executes on exceptional completion, propagating
2799	<	* source result.
3546	>	* completedStage returns a completed CompletionStage
3547		*/
3548	<	public void testWhenComplete_exceptionalCompletion() {
3549	<	for (ExecutionMode m : ExecutionMode.values())
3548	>	public void testCompletedStage() {
3549	>	AtomicInteger x = new AtomicInteger(0);
3550	>	AtomicReference<Throwable> r = new AtomicReference<>();
3551	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3552	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3553	>	assertEquals(x.get(), 1);
3554	>	assertNull(r.get());
3555	>	}
3556	>
3557	>	/**
3558	>	* defaultExecutor by default returns the commonPool if
3559	>	* it supports more than one thread.
3560	>	*/
3561	>	public void testDefaultExecutor() {
3562	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3563	>	Executor e = f.defaultExecutor();
3564	>	Executor c = ForkJoinPool.commonPool();
3565	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3566	>	assertSame(e, c);
3567	>	else
3568	>	assertNotSame(e, c);
3569	>	}
3570	>
3571	>	/**
3572	>	* failedFuture returns a CompletableFuture completed
3573	>	* exceptionally with the given Exception
3574	>	*/
3575	>	public void testFailedFuture() {
3576	>	CFException ex = new CFException();
3577	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3578	>	checkCompletedExceptionally(f, ex);
3579	>	}
3580	>
3581	>	/**
3582	>	* failedFuture(null) throws NPE
3583	>	*/
3584	>	public void testFailedFuture_null() {
3585	>	try {
3586	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3587	>	shouldThrow();
3588	>	} catch (NullPointerException success) {}
3589	>	}
3590	>
3591	>	/**
3592	>	* copy returns a CompletableFuture that is completed normally,
3593	>	* with the same value, when source is.
3594	>	*/
3595	>	public void testCopy_normalCompletion() {
3596		for (boolean createIncomplete : new boolean[] { true, false })
3597		for (Integer v1 : new Integer[] { 1, null })
3598		{
3599	<	final AtomicInteger a = new AtomicInteger(0);
3600	<	final CFException ex = new CFException();
3601	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3599	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3600	>	if (!createIncomplete) assertTrue(f.complete(v1));
3601	>	CompletableFuture<Integer> g = f.copy();
3602	>	if (createIncomplete) {
3603	>	checkIncomplete(f);
3604	>	checkIncomplete(g);
3605	>	assertTrue(f.complete(v1));
3606	>	}
3607	>	checkCompletedNormally(f, v1);
3608	>	checkCompletedNormally(g, v1);
3609	>	}}
3610	>
3611	>	/**
3612	>	* copy returns a CompletableFuture that is completed exceptionally
3613	>	* when source is.
3614	>	*/
3615	>	public void testCopy_exceptionalCompletion() {
3616	>	for (boolean createIncomplete : new boolean[] { true, false })
3617	>	{
3618	>	CFException ex = new CFException();
3619	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3620		if (!createIncomplete) f.completeExceptionally(ex);
3621	<	final CompletableFuture<Integer> g = m.whenComplete
3622	<	(f,
3623	<	(Integer x, Throwable t) -> {
3624	<	threadAssertNull(x);
3625	<	threadAssertSame(t, ex);
3626	<	a.getAndIncrement();
3627	<	});
3628	<	if (createIncomplete) f.completeExceptionally(ex);
2818	<	checkCompletedWithWrappedCFException(f, ex);
2819	<	checkCompletedWithWrappedCFException(g, ex);
2820	<	assertEquals(1, a.get());
3621	>	CompletableFuture<Integer> g = f.copy();
3622	>	if (createIncomplete) {
3623	>	checkIncomplete(f);
3624	>	checkIncomplete(g);
3625	>	f.completeExceptionally(ex);
3626	>	}
3627	>	checkCompletedExceptionally(f, ex);
3628	>	checkCompletedWithWrappedException(g, ex);
3629		}}
3630
3631		/**
3632	<	* whenComplete action executes on cancelled source, propagating
2825	<	* CancellationException.
3632	>	* Completion of a copy does not complete its source.
3633		*/
3634	<	public void testWhenComplete_sourceCancelled() {
3634	>	public void testCopy_oneWayPropagation() {
3635	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3636	>	assertTrue(f.copy().complete(1));
3637	>	assertTrue(f.copy().complete(null));
3638	>	assertTrue(f.copy().cancel(true));
3639	>	assertTrue(f.copy().cancel(false));
3640	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3641	>	checkIncomplete(f);
3642	>	}
3643	>
3644	>	/**
3645	>	* minimalCompletionStage returns a CompletableFuture that is
3646	>	* completed normally, with the same value, when source is.
3647	>	*/
3648	>	public void testMinimalCompletionStage() {
3649	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3650	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3651	>	AtomicInteger x = new AtomicInteger(0);
3652	>	AtomicReference<Throwable> r = new AtomicReference<>();
3653	>	checkIncomplete(f);
3654	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3655	>	f.complete(1);
3656	>	checkCompletedNormally(f, 1);
3657	>	assertEquals(x.get(), 1);
3658	>	assertNull(r.get());
3659	>	}
3660	>
3661	>	/**
3662	>	* minimalCompletionStage returns a CompletableFuture that is
3663	>	* completed exceptionally when source is.
3664	>	*/
3665	>	public void testMinimalCompletionStage2() {
3666	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3667	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3668	>	AtomicInteger x = new AtomicInteger(0);
3669	>	AtomicReference<Throwable> r = new AtomicReference<>();
3670	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3671	>	checkIncomplete(f);
3672	>	CFException ex = new CFException();
3673	>	f.completeExceptionally(ex);
3674	>	checkCompletedExceptionally(f, ex);
3675	>	assertEquals(x.get(), 0);
3676	>	assertEquals(r.get().getCause(), ex);
3677	>	}
3678	>
3679	>	/**
3680	>	* failedStage returns a CompletionStage completed
3681	>	* exceptionally with the given Exception
3682	>	*/
3683	>	public void testFailedStage() {
3684	>	CFException ex = new CFException();
3685	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3686	>	AtomicInteger x = new AtomicInteger(0);
3687	>	AtomicReference<Throwable> r = new AtomicReference<>();
3688	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3689	>	assertEquals(x.get(), 0);
3690	>	assertEquals(r.get(), ex);
3691	>	}
3692	>
3693	>	/**
3694	>	* completeAsync completes with value of given supplier
3695	>	*/
3696	>	public void testCompleteAsync() {
3697	>	for (Integer v1 : new Integer[] { 1, null })
3698	>	{
3699	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3700	>	f.completeAsync(() -> v1);
3701	>	f.join();
3702	>	checkCompletedNormally(f, v1);
3703	>	}}
3704	>
3705	>	/**
3706	>	* completeAsync completes exceptionally if given supplier throws
3707	>	*/
3708	>	public void testCompleteAsync2() {
3709	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3710	>	CFException ex = new CFException();
3711	>	f.completeAsync(() -> { throw ex; });
3712	>	try {
3713	>	f.join();
3714	>	shouldThrow();
3715	>	} catch (CompletionException success) {}
3716	>	checkCompletedWithWrappedException(f, ex);
3717	>	}
3718	>
3719	>	/**
3720	>	* completeAsync with given executor completes with value of given supplier
3721	>	*/
3722	>	public void testCompleteAsync3() {
3723	>	for (Integer v1 : new Integer[] { 1, null })
3724	>	{
3725	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3726	>	ThreadExecutor executor = new ThreadExecutor();
3727	>	f.completeAsync(() -> v1, executor);
3728	>	assertSame(v1, f.join());
3729	>	checkCompletedNormally(f, v1);
3730	>	assertEquals(1, executor.count.get());
3731	>	}}
3732	>
3733	>	/**
3734	>	* completeAsync with given executor completes exceptionally if
3735	>	* given supplier throws
3736	>	*/
3737	>	public void testCompleteAsync4() {
3738	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3739	>	CFException ex = new CFException();
3740	>	ThreadExecutor executor = new ThreadExecutor();
3741	>	f.completeAsync(() -> { throw ex; }, executor);
3742	>	try {
3743	>	f.join();
3744	>	shouldThrow();
3745	>	} catch (CompletionException success) {}
3746	>	checkCompletedWithWrappedException(f, ex);
3747	>	assertEquals(1, executor.count.get());
3748	>	}
3749	>
3750	>	/**
3751	>	* orTimeout completes with TimeoutException if not complete
3752	>	*/
3753	>	public void testOrTimeout_timesOut() {
3754	>	long timeoutMillis = timeoutMillis();
3755	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3756	>	long startTime = System.nanoTime();
3757	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3758	>	checkCompletedWithTimeoutException(f);
3759	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3760	>	}
3761	>
3762	>	/**
3763	>	* orTimeout completes normally if completed before timeout
3764	>	*/
3765	>	public void testOrTimeout_completed() {
3766	>	for (Integer v1 : new Integer[] { 1, null })
3767	>	{
3768	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3769	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3770	>	long startTime = System.nanoTime();
3771	>	f.complete(v1);
3772	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3773	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3774	>	g.complete(v1);
3775	>	checkCompletedNormally(f, v1);
3776	>	checkCompletedNormally(g, v1);
3777	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3778	>	}}
3779	>
3780	>	/**
3781	>	* completeOnTimeout completes with given value if not complete
3782	>	*/
3783	>	public void testCompleteOnTimeout_timesOut() {
3784	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3785	>	() -> testCompleteOnTimeout_timesOut(null));
3786	>	}
3787	>
3788	>	/**
3789	>	* completeOnTimeout completes with given value if not complete
3790	>	*/
3791	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3792	>	long timeoutMillis = timeoutMillis();
3793	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3794	>	long startTime = System.nanoTime();
3795	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3796	>	assertSame(v, f.join());
3797	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3798	>	f.complete(99);         // should have no effect
3799	>	checkCompletedNormally(f, v);
3800	>	}
3801	>
3802	>	/**
3803	>	* completeOnTimeout has no effect if completed within timeout
3804	>	*/
3805	>	public void testCompleteOnTimeout_completed() {
3806	>	for (Integer v1 : new Integer[] { 1, null })
3807	>	{
3808	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3809	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3810	>	long startTime = System.nanoTime();
3811	>	f.complete(v1);
3812	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3813	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3814	>	g.complete(v1);
3815	>	checkCompletedNormally(f, v1);
3816	>	checkCompletedNormally(g, v1);
3817	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3818	>	}}
3819	>
3820	>	/**
3821	>	* delayedExecutor returns an executor that delays submission
3822	>	*/
3823	>	public void testDelayedExecutor() {
3824	>	testInParallel(() -> testDelayedExecutor(null, null),
3825	>	() -> testDelayedExecutor(null, 1),
3826	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3827	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3828	>	}
3829	>
3830	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3831	>	long timeoutMillis = timeoutMillis();
3832	>	// Use an "unreasonably long" long timeout to catch lingering threads
3833	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3834	>	final Executor delayer, longDelayer;
3835	>	if (executor == null) {
3836	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3837	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3838	>	} else {
3839	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3840	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3841	>	}
3842	>	long startTime = System.nanoTime();
3843	>	CompletableFuture<Integer> f =
3844	>	CompletableFuture.supplyAsync(() -> v, delayer);
3845	>	CompletableFuture<Integer> g =
3846	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3847	>
3848	>	assertNull(g.getNow(null));
3849	>
3850	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3851	>	long millisElapsed = millisElapsedSince(startTime);
3852	>	assertTrue(millisElapsed >= timeoutMillis);
3853	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3854	>
3855	>	checkCompletedNormally(f, v);
3856	>
3857	>	checkIncomplete(g);
3858	>	assertTrue(g.cancel(true));
3859	>	}
3860	>
3861	>	//--- tests of implementation details; not part of official tck ---
3862	>
3863	>	Object resultOf(CompletableFuture<?> f) {
3864	>	SecurityManager sm = System.getSecurityManager();
3865	>	if (sm != null) {
3866	>	try {
3867	>	System.setSecurityManager(null);
3868	>	} catch (SecurityException giveUp) {
3869	>	return "Reflection not available";
3870	>	}
3871	>	}
3872	>
3873	>	try {
3874	>	java.lang.reflect.Field resultField
3875	>	= CompletableFuture.class.getDeclaredField("result");
3876	>	resultField.setAccessible(true);
3877	>	return resultField.get(f);
3878	>	} catch (Throwable t) {
3879	>	throw new AssertionError(t);
3880	>	} finally {
3881	>	if (sm != null) System.setSecurityManager(sm);
3882	>	}
3883	>	}
3884	>
3885	>	public void testExceptionPropagationReusesResultObject() {
3886	>	if (!testImplementationDetails) return;
3887		for (ExecutionMode m : ExecutionMode.values())
2829	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2830	–	for (boolean createIncomplete : new boolean[] { true, false })
3888		{
3889	<	final AtomicInteger a = new AtomicInteger(0);
3890	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3891	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2835	<	final CompletableFuture<Integer> g = m.whenComplete
2836	<	(f,
2837	<	(Integer x, Throwable t) -> {
2838	<	threadAssertNull(x);
2839	<	threadAssertTrue(t instanceof CancellationException);
2840	<	a.getAndIncrement();
2841	<	});
2842	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3889	>	final CFException ex = new CFException();
3890	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3891	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3892
3893	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
3894	<	checkCompletedWithWrappedCancellationException(g);
3895	<	checkCancelled(f);
3896	<	assertEquals(1, a.get());
3893	>	final Runnable noopRunnable = new Noop(m);
3894	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3895	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
3896	>
3897	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3898	>	= new ArrayList<>();
3899	>
3900	>	funs.add(y -> m.thenRun(y, noopRunnable));
3901	>	funs.add(y -> m.thenAccept(y, noopConsumer));
3902	>	funs.add(y -> m.thenApply(y, incFunction));
3903	>
3904	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3905	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3906	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3907	>
3908	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3909	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3910	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3911	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3912	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3913	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3914	>
3915	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3916	>
3917	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3918	>
3919	>	funs.add(y -> CompletableFuture.allOf(y));
3920	>	funs.add(y -> CompletableFuture.allOf(y, v42));
3921	>	funs.add(y -> CompletableFuture.allOf(v42, y));
3922	>	funs.add(y -> CompletableFuture.anyOf(y));
3923	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3924	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3925	>
3926	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3927	>	fun : funs) {
3928	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3929	>	f.completeExceptionally(ex);
3930	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3931	>	checkCompletedWithWrappedException(src, ex);
3932	>	CompletableFuture<?> dep = fun.apply(src);
3933	>	checkCompletedWithWrappedException(dep, ex);
3934	>	assertSame(resultOf(src), resultOf(dep));
3935	>	}
3936	>
3937	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3938	>	fun : funs) {
3939	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3940	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3941	>	CompletableFuture<?> dep = fun.apply(src);
3942	>	f.completeExceptionally(ex);
3943	>	checkCompletedWithWrappedException(src, ex);
3944	>	checkCompletedWithWrappedException(dep, ex);
3945	>	assertSame(resultOf(src), resultOf(dep));
3946	>	}
3947	>
3948	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3949	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3950	>	fun : funs) {
3951	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3952	>	f.cancel(mayInterruptIfRunning);
3953	>	checkCancelled(f);
3954	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3955	>	checkCompletedWithWrappedCancellationException(src);
3956	>	CompletableFuture<?> dep = fun.apply(src);
3957	>	checkCompletedWithWrappedCancellationException(dep);
3958	>	assertSame(resultOf(src), resultOf(dep));
3959	>	}
3960	>
3961	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3962	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3963	>	fun : funs) {
3964	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3965	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3966	>	CompletableFuture<?> dep = fun.apply(src);
3967	>	f.cancel(mayInterruptIfRunning);
3968	>	checkCancelled(f);
3969	>	checkCompletedWithWrappedCancellationException(src);
3970	>	checkCompletedWithWrappedCancellationException(dep);
3971	>	assertSame(resultOf(src), resultOf(dep));
3972	>	}
3973		}}
3974
3975		/**
3976	<	* If a whenComplete action throws an exception when triggered by
3977	<	* a normal completion, it completes exceptionally
3976	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3977	>	*/
3978	>	public void testMinimalCompletionStage_minimality() {
3979	>	if (!testImplementationDetails) return;
3980	>	Function<Method, String> toSignature =
3981	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3982	>	Predicate<Method> isNotStatic =
3983	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3984	>	List<Method> minimalMethods =
3985	>	Stream.of(Object.class, CompletionStage.class)
3986	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3987	>	.filter(isNotStatic)
3988	>	.collect(Collectors.toList());
3989	>	// Methods from CompletableFuture permitted NOT to throw UOE
3990	>	String[] signatureWhitelist = {
3991	>	"newIncompleteFuture[]",
3992	>	"defaultExecutor[]",
3993	>	"minimalCompletionStage[]",
3994	>	"copy[]",
3995	>	};
3996	>	Set<String> permittedMethodSignatures =
3997	>	Stream.concat(minimalMethods.stream().map(toSignature),
3998	>	Stream.of(signatureWhitelist))
3999	>	.collect(Collectors.toSet());
4000	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4001	>	.filter(isNotStatic)
4002	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4003	>	.collect(Collectors.toList());
4004	>
4005	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4006	>	CompletionStage<Integer> min =
4007	>	new CompletableFuture<Integer>().minimalCompletionStage();
4008	>	stages.add(min);
4009	>	stages.add(min.thenApply(x -> x));
4010	>	stages.add(CompletableFuture.completedStage(1));
4011	>	stages.add(CompletableFuture.failedStage(new CFException()));
4012	>
4013	>	List<Method> bugs = new ArrayList<>();
4014	>	for (Method method : allMethods) {
4015	>	Class<?>[] parameterTypes = method.getParameterTypes();
4016	>	Object[] args = new Object[parameterTypes.length];
4017	>	// Manufacture boxed primitives for primitive params
4018	>	for (int i = 0; i < args.length; i++) {
4019	>	Class<?> type = parameterTypes[i];
4020	>	if (parameterTypes[i] == boolean.class)
4021	>	args[i] = false;
4022	>	else if (parameterTypes[i] == int.class)
4023	>	args[i] = 0;
4024	>	else if (parameterTypes[i] == long.class)
4025	>	args[i] = 0L;
4026	>	}
4027	>	for (CompletionStage<Integer> stage : stages) {
4028	>	try {
4029	>	method.invoke(stage, args);
4030	>	bugs.add(method);
4031	>	}
4032	>	catch (java.lang.reflect.InvocationTargetException expected) {
4033	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4034	>	bugs.add(method);
4035	>	// expected.getCause().printStackTrace();
4036	>	}
4037	>	}
4038	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4039	>	}
4040	>	}
4041	>	if (!bugs.isEmpty())
4042	>	throw new Error("Methods did not throw UOE: " + bugs);
4043	>	}
4044	>
4045	>	/**
4046	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4047	>	* is completed normally, with the same value, when source is.
4048		*/
4049	<	public void testWhenComplete_actionFailed() {
4049	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4050		for (boolean createIncomplete : new boolean[] { true, false })
2856	–	for (ExecutionMode m : ExecutionMode.values())
4051		for (Integer v1 : new Integer[] { 1, null })
4052		{
4053	<	final AtomicInteger a = new AtomicInteger(0);
4054	<	final CFException ex = new CFException();
4055	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4056	<	if (!createIncomplete) f.complete(v1);
4057	<	final CompletableFuture<Integer> g = m.whenComplete
4058	<	(f,
4059	<	(Integer x, Throwable t) -> {
4060	<	threadAssertSame(x, v1);
4061	<	threadAssertNull(t);
2868	<	a.getAndIncrement();
2869	<	throw ex;
2870	<	});
2871	<	if (createIncomplete) f.complete(v1);
4053	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4054	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4055	>	if (!createIncomplete) assertTrue(f.complete(v1));
4056	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4057	>	if (createIncomplete) {
4058	>	checkIncomplete(f);
4059	>	checkIncomplete(g);
4060	>	assertTrue(f.complete(v1));
4061	>	}
4062		checkCompletedNormally(f, v1);
4063	<	checkCompletedWithWrappedCFException(g, ex);
2874	<	assertEquals(1, a.get());
4063	>	checkCompletedNormally(g, v1);
4064		}}
4065
4066		/**
4067	<	* If a whenComplete action throws an exception when triggered by
4068	<	* a source completion that also throws an exception, the source
2880	<	* exception takes precedence.
4067	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4068	>	* is completed exceptionally when source is.
4069		*/
4070	<	public void testWhenComplete_actionFailedSourceFailed() {
4070	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4071		for (boolean createIncomplete : new boolean[] { true, false })
4072	<	for (ExecutionMode m : ExecutionMode.values())
4072	>	{
4073	>	CFException ex = new CFException();
4074	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4075	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4076	>	if (!createIncomplete) f.completeExceptionally(ex);
4077	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4078	>	if (createIncomplete) {
4079	>	checkIncomplete(f);
4080	>	checkIncomplete(g);
4081	>	f.completeExceptionally(ex);
4082	>	}
4083	>	checkCompletedExceptionally(f, ex);
4084	>	checkCompletedWithWrappedException(g, ex);
4085	>	}}
4086	>
4087	>	/**
4088	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4089	>	*/
4090	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4091		for (Integer v1 : new Integer[] { 1, null })
4092		{
4093	<	final AtomicInteger a = new AtomicInteger(0);
4094	<	final CFException ex1 = new CFException();
4095	<	final CFException ex2 = new CFException();
4096	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4093	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4094	>	CompletionStage minimal = f.minimalCompletionStage();
4095	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4096	>	assertTrue(g.complete(v1));
4097	>	checkCompletedNormally(g, v1);
4098	>	checkIncomplete(f);
4099	>	checkIncomplete(minimal.toCompletableFuture());
4100	>	}}
4101
4102	<	if (!createIncomplete) f.completeExceptionally(ex1);
4103	<	final CompletableFuture<Integer> g = m.whenComplete
4104	<	(f,
4105	<	(Integer x, Throwable t) -> {
4106	<	threadAssertSame(t, ex1);
4107	<	threadAssertNull(x);
4108	<	a.getAndIncrement();
4109	<	throw ex2;
4110	<	});
4111	<	if (createIncomplete) f.completeExceptionally(ex1);
4102	>	/**
4103	>	* minimalStage.toCompletableFuture().join() awaits completion
4104	>	*/
4105	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4106	>	for (boolean createIncomplete : new boolean[] { true, false })
4107	>	for (Integer v1 : new Integer[] { 1, null })
4108	>	{
4109	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4110	>	if (!createIncomplete) assertTrue(f.complete(v1));
4111	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4112	>	if (createIncomplete) assertTrue(f.complete(v1));
4113	>	assertEquals(v1, minimal.toCompletableFuture().join());
4114	>	assertEquals(v1, minimal.toCompletableFuture().get());
4115	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4116	>	}}
4117
4118	<	checkCompletedWithWrappedCFException(f, ex1);
4119	<	checkCompletedWithWrappedCFException(g, ex1);
4120	<	assertEquals(1, a.get());
4118	>	/**
4119	>	* Completion of a toCompletableFuture copy of a minimal stage
4120	>	* does not complete its source.
4121	>	*/
4122	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4123	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4124	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4125	>	assertTrue(g.toCompletableFuture().complete(1));
4126	>	assertTrue(g.toCompletableFuture().complete(null));
4127	>	assertTrue(g.toCompletableFuture().cancel(true));
4128	>	assertTrue(g.toCompletableFuture().cancel(false));
4129	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4130	>	checkIncomplete(g.toCompletableFuture());
4131	>	f.complete(1);
4132	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4133	>	}
4134	>
4135	>	/** Demo utility method for external reliable toCompletableFuture */
4136	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4137	>	CompletableFuture<T> f = new CompletableFuture<>();
4138	>	stage.handle((T t, Throwable ex) -> {
4139	>	if (ex != null) f.completeExceptionally(ex);
4140	>	else f.complete(t);
4141	>	return null;
4142	>	});
4143	>	return f;
4144	>	}
4145	>
4146	>	/** Demo utility method to join a CompletionStage */
4147	>	static <T> T join(CompletionStage<T> stage) {
4148	>	return toCompletableFuture(stage).join();
4149	>	}
4150	>
4151	>	/**
4152	>	* Joining a minimal stage "by hand" works
4153	>	*/
4154	>	public void testMinimalCompletionStage_join_by_hand() {
4155	>	for (boolean createIncomplete : new boolean[] { true, false })
4156	>	for (Integer v1 : new Integer[] { 1, null })
4157	>	{
4158	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4159	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4160	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4161	>	if (!createIncomplete) assertTrue(f.complete(v1));
4162	>	minimal.thenAccept(x -> g.complete(x));
4163	>	if (createIncomplete) assertTrue(f.complete(v1));
4164	>	g.join();
4165	>	checkCompletedNormally(g, v1);
4166	>	checkCompletedNormally(f, v1);
4167	>	assertEquals(v1, join(minimal));
4168		}}
4169
4170	+	static class Monad {
4171	+	static class ZeroException extends RuntimeException {
4172	+	public ZeroException() { super("monadic zero"); }
4173	+	}
4174	+	// "return", "unit"
4175	+	static <T> CompletableFuture<T> unit(T value) {
4176	+	return completedFuture(value);
4177	+	}
4178	+	// monadic zero ?
4179	+	static <T> CompletableFuture<T> zero() {
4180	+	return failedFuture(new ZeroException());
4181	+	}
4182	+	// >=>
4183	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
4184	+	(Function<T, CompletableFuture<U>> f,
4185	+	Function<U, CompletableFuture<V>> g) {
4186	+	return x -> f.apply(x).thenCompose(g);
4187	+	}
4188	+
4189	+	static void assertZero(CompletableFuture<?> f) {
4190	+	try {
4191	+	f.getNow(null);
4192	+	throw new AssertionError("should throw");
4193	+	} catch (CompletionException success) {
4194	+	assertTrue(success.getCause() instanceof ZeroException);
4195	+	}
4196	+	}
4197	+
4198	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
4199	+	CompletableFuture<T> g) {
4200	+	T fval = null, gval = null;
4201	+	Throwable fex = null, gex = null;
4202	+
4203	+	try { fval = f.get(); }
4204	+	catch (ExecutionException ex) { fex = ex.getCause(); }
4205	+	catch (Throwable ex) { fex = ex; }
4206	+
4207	+	try { gval = g.get(); }
4208	+	catch (ExecutionException ex) { gex = ex.getCause(); }
4209	+	catch (Throwable ex) { gex = ex; }
4210	+
4211	+	if (fex != null || gex != null)
4212	+	assertSame(fex.getClass(), gex.getClass());
4213	+	else
4214	+	assertEquals(fval, gval);
4215	+	}
4216	+
4217	+	static class PlusFuture<T> extends CompletableFuture<T> {
4218	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4219	+	}
4220	+
4221	+	/** Implements "monadic plus". */
4222	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4223	+	CompletableFuture<? extends T> g) {
4224	+	PlusFuture<T> plus = new PlusFuture<T>();
4225	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4226	+	try {
4227	+	if (ex == null) {
4228	+	if (plus.complete(result))
4229	+	if (plus.firstFailure.get() != null)
4230	+	plus.firstFailure.set(null);
4231	+	}
4232	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
4233	+	if (plus.isDone())
4234	+	plus.firstFailure.set(null);
4235	+	}
4236	+	else {
4237	+	// first failure has precedence
4238	+	Throwable first = plus.firstFailure.getAndSet(null);
4239	+
4240	+	// may fail with "Self-suppression not permitted"
4241	+	try { first.addSuppressed(ex); }
4242	+	catch (Exception ignored) {}
4243	+
4244	+	plus.completeExceptionally(first);
4245	+	}
4246	+	} catch (Throwable unexpected) {
4247	+	plus.completeExceptionally(unexpected);
4248	+	}
4249	+	};
4250	+	f.whenComplete(action);
4251	+	g.whenComplete(action);
4252	+	return plus;
4253	+	}
4254	+	}
4255	+
4256	+	/**
4257	+	* CompletableFuture is an additive monad - sort of.
4258	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4259	+	*/
4260	+	public void testAdditiveMonad() throws Throwable {
4261	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4262	+	CompletableFuture<Long> zero = Monad.zero();
4263	+
4264	+	// Some mutually non-commutative functions
4265	+	Function<Long, CompletableFuture<Long>> triple
4266	+	= x -> Monad.unit(3 * x);
4267	+	Function<Long, CompletableFuture<Long>> inc
4268	+	= x -> Monad.unit(x + 1);
4269	+
4270	+	// unit is a right identity: m >>= unit === m
4271	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4272	+	inc.apply(5L));
4273	+	// unit is a left identity: (unit x) >>= f === f x
4274	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4275	+	inc.apply(5L));
4276	+
4277	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4278	+	Monad.assertFutureEquals(
4279	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4280	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4281	+
4282	+	// The case for CompletableFuture as an additive monad is weaker...
4283	+
4284	+	// zero is a monadic zero
4285	+	Monad.assertZero(zero);
4286	+
4287	+	// left zero: zero >>= f === zero
4288	+	Monad.assertZero(zero.thenCompose(inc));
4289	+	// right zero: f >>= (\x -> zero) === zero
4290	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4291	+
4292	+	// f plus zero === f
4293	+	Monad.assertFutureEquals(Monad.unit(5L),
4294	+	Monad.plus(Monad.unit(5L), zero));
4295	+	// zero plus f === f
4296	+	Monad.assertFutureEquals(Monad.unit(5L),
4297	+	Monad.plus(zero, Monad.unit(5L)));
4298	+	// zero plus zero === zero
4299	+	Monad.assertZero(Monad.plus(zero, zero));
4300	+	{
4301	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4302	+	Monad.unit(8L));
4303	+	// non-determinism
4304	+	assertTrue(f.get() == 5L || f.get() == 8L);
4305	+	}
4306	+
4307	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4308	+	// f plus godot === f (doesn't wait for godot)
4309	+	Monad.assertFutureEquals(Monad.unit(5L),
4310	+	Monad.plus(Monad.unit(5L), godot));
4311	+	// godot plus f === f (doesn't wait for godot)
4312	+	Monad.assertFutureEquals(Monad.unit(5L),
4313	+	Monad.plus(godot, Monad.unit(5L)));
4314	+	}
4315	+
4316	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4317	+	@SuppressWarnings("FutureReturnValueIgnored")
4318	+	public void testRecursiveChains() throws Throwable {
4319	+	for (ExecutionMode m : ExecutionMode.values())
4320	+	for (boolean addDeadEnds : new boolean[] { true, false })
4321	+	{
4322	+	final int val = 42;
4323	+	final int n = expensiveTests ? 1_000 : 2;
4324	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4325	+	CompletableFuture<Integer> tail = head;
4326	+	for (int i = 0; i < n; i++) {
4327	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4328	+	tail = m.thenApply(tail, v -> v + 1);
4329	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4330	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4331	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4332	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4333	+	}
4334	+	head.complete(val);
4335	+	assertEquals(val + 3 * n, (int) tail.join());
4336	+	}}
4337	+
4338	+	/**
4339	+	* A single CompletableFuture with many dependents.
4340	+	* A demo of scalability - runtime is O(n).
4341	+	*/
4342	+	@SuppressWarnings("FutureReturnValueIgnored")
4343	+	public void testManyDependents() throws Throwable {
4344	+	final int n = expensiveTests ? 1_000_000 : 10;
4345	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4346	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4347	+	final AtomicInteger count = new AtomicInteger(0);
4348	+	for (int i = 0; i < n; i++) {
4349	+	head.thenRun(() -> count.getAndIncrement());
4350	+	head.thenAccept(x -> count.getAndIncrement());
4351	+	head.thenApply(x -> count.getAndIncrement());
4352	+
4353	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4354	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4355	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4356	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4357	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4358	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4359	+
4360	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4361	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4362	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4363	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4364	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4365	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4366	+	}
4367	+	head.complete(null);
4368	+	assertEquals(5 * 3 * n, count.get());
4369	+	}
4370	+
4371	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4372	+	@SuppressWarnings("FutureReturnValueIgnored")
4373	+	public void testCoCompletionGarbageRetention() throws Throwable {
4374	+	final int n = expensiveTests ? 1_000_000 : 10;
4375	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4376	+	CompletableFuture<Integer> f;
4377	+	for (int i = 0; i < n; i++) {
4378	+	f = new CompletableFuture<>();
4379	+	f.runAfterEither(incomplete, () -> {});
4380	+	f.complete(null);
4381	+
4382	+	f = new CompletableFuture<>();
4383	+	f.acceptEither(incomplete, x -> {});
4384	+	f.complete(null);
4385	+
4386	+	f = new CompletableFuture<>();
4387	+	f.applyToEither(incomplete, x -> x);
4388	+	f.complete(null);
4389	+
4390	+	f = new CompletableFuture<>();
4391	+	CompletableFuture.anyOf(f, incomplete);
4392	+	f.complete(null);
4393	+	}
4394	+
4395	+	for (int i = 0; i < n; i++) {
4396	+	f = new CompletableFuture<>();
4397	+	incomplete.runAfterEither(f, () -> {});
4398	+	f.complete(null);
4399	+
4400	+	f = new CompletableFuture<>();
4401	+	incomplete.acceptEither(f, x -> {});
4402	+	f.complete(null);
4403	+
4404	+	f = new CompletableFuture<>();
4405	+	incomplete.applyToEither(f, x -> x);
4406	+	f.complete(null);
4407	+
4408	+	f = new CompletableFuture<>();
4409	+	CompletableFuture.anyOf(incomplete, f);
4410	+	f.complete(null);
4411	+	}
4412	+	}
4413	+
4414	+	/**
4415	+	* Reproduction recipe for:
4416	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4417	+	* cvs update -D '2016-05-01' ./src/main/java/util/concurrent/CompletableFuture.java && ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testAnyOfGarbageRetention tck; cvs update -A
4418	+	*/
4419	+	public void testAnyOfGarbageRetention() throws Throwable {
4420	+	for (Integer v : new Integer[] { 1, null })
4421	+	{
4422	+	final int n = expensiveTests ? 100_000 : 10;
4423	+	CompletableFuture<Integer>[] fs
4424	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4425	+	for (int i = 0; i < fs.length; i++)
4426	+	fs[i] = new CompletableFuture<>();
4427	+	fs[fs.length - 1].complete(v);
4428	+	for (int i = 0; i < n; i++)
4429	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4430	+	}}
4431	+
4432	+	/**
4433	+	* Checks for garbage retention with allOf.
4434	+	*
4435	+	* As of 2016-07, fails with OOME:
4436	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4437	+	*/
4438	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4439	+	final int n = expensiveTests ? 100_000 : 10;
4440	+	CompletableFuture<Integer>[] fs
4441	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4442	+	for (int i = 0; i < fs.length; i++)
4443	+	fs[i] = new CompletableFuture<>();
4444	+	for (int i = 0; i < n; i++)
4445	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4446	+	}
4447	+
4448	+	/**
4449	+	* Checks for garbage retention when a dependent future is
4450	+	* cancelled and garbage-collected.
4451	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4452	+	*
4453	+	* As of 2016-07, fails with OOME:
4454	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4455	+	*/
4456	+	public void testCancelledGarbageRetention() throws Throwable {
4457	+	final int n = expensiveTests ? 100_000 : 10;
4458	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4459	+	for (int i = 0; i < n; i++)
4460	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4461	+	}
4462	+
4463	+	/**
4464	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4465	+	* is invoked many times.
4466	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4467	+	*
4468	+	* As of 2016-07, fails with OOME:
4469	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4470	+	*/
4471	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4472	+	final int n = expensiveTests ? 900_000 : 10;
4473	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4474	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4475	+	for (int i = 0; i < n; i++)
4476	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4477	+	}
4478	+
4479	+	//     static <U> U join(CompletionStage<U> stage) {
4480	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4481	+	//         stage.whenComplete((v, ex) -> {
4482	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4483	+	//         });
4484	+	//         return f.join();
4485	+	//     }
4486	+
4487	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4488	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4489	+	//         stage.whenComplete((v, ex) -> {
4490	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4491	+	//         });
4492	+	//         return f.isDone();
4493	+	//     }
4494	+
4495	+	//     static <U> U join2(CompletionStage<U> stage) {
4496	+	//         return stage.toCompletableFuture().copy().join();
4497	+	//     }
4498	+
4499	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4500	+	//         return stage.toCompletableFuture().copy().isDone();
4501	+	//     }
4502	+
4503		}

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