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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.58 by jsr166, Mon Jun 2 23:10:08 2014 UTC vs.
Revision 1.196 by jsr166, Sun Jul 22 20:17:46 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	>
63	>	Object result = null;
64		try {
65	<	assertNull(f.getNow(null));
65	>	result = f.getNow(null);
66		} catch (Throwable fail) { threadUnexpectedException(fail); }
67	+	assertNull(result);
68	+
69		try {
70	<	f.get(0L, SECONDS);
70	>	f.get(randomExpiredTimeout(), randomTimeUnit());
71		shouldThrow();
72		}
73		catch (TimeoutException success) {}
#	Line 57 | Line 75 | public class CompletableFutureTest exten
75		}
76
77		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
78	+	checkTimedGet(f, value);
79	+
80	+	assertEquals(value, f.join());
81	+	assertEquals(value, f.getNow(null));
82	+
83	+	T result = null;
84		try {
85	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
62	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
63	<	try {
64	<	assertEquals(value, f.join());
65	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
66	<	try {
67	<	assertEquals(value, f.getNow(null));
68	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
69	<	try {
70	<	assertEquals(value, f.get());
85	>	result = f.get();
86		} catch (Throwable fail) { threadUnexpectedException(fail); }
87	+	assertEquals(value, result);
88	+
89		assertTrue(f.isDone());
90		assertFalse(f.isCancelled());
91		assertFalse(f.isCompletedExceptionally());
92	<	assertTrue(f.toString().contains("[Completed normally]"));
92	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
93		}
94
95	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
96	<	try {
97	<	f.get(LONG_DELAY_MS, MILLISECONDS);
98	<	shouldThrow();
99	<	} catch (ExecutionException success) {
100	<	assertTrue(success.getCause() instanceof CFException);
101	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
102	<	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]"));
95	>	/**
96	>	* Returns the "raw" internal exceptional completion of f,
97	>	* without any additional wrapping with CompletionException.
98	>	*/
99	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
100	>	// handle (and whenComplete and exceptionally) can distinguish
101	>	// between "direct" and "wrapped" exceptional completion
102	>	return f.handle((u, t) -> t).join();
103		}
104
105	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
106	<	CFException ex) {
105	>	void checkCompletedExceptionally(CompletableFuture<?> f,
106	>	boolean wrapped,
107	>	Consumer<Throwable> checker) {
108	>	Throwable cause = exceptionalCompletion(f);
109	>	if (wrapped) {
110	>	assertTrue(cause instanceof CompletionException);
111	>	cause = cause.getCause();
112	>	}
113	>	checker.accept(cause);
114	>
115	>	long startTime = System.nanoTime();
116		try {
117		f.get(LONG_DELAY_MS, MILLISECONDS);
118		shouldThrow();
119		} catch (ExecutionException success) {
120	<	assertSame(ex, success.getCause());
120	>	assertSame(cause, success.getCause());
121		} catch (Throwable fail) { threadUnexpectedException(fail); }
122	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
123	+
124		try {
125		f.join();
126		shouldThrow();
127		} catch (CompletionException success) {
128	<	assertSame(ex, success.getCause());
129	<	}
128	>	assertSame(cause, success.getCause());
129	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
130	>
131		try {
132		f.getNow(null);
133		shouldThrow();
134		} catch (CompletionException success) {
135	<	assertSame(ex, success.getCause());
136	<	}
135	>	assertSame(cause, success.getCause());
136	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
137	>
138		try {
139		f.get();
140		shouldThrow();
141		} catch (ExecutionException success) {
142	<	assertSame(ex, success.getCause());
142	>	assertSame(cause, success.getCause());
143		} catch (Throwable fail) { threadUnexpectedException(fail); }
144	<	assertTrue(f.isDone());
144	>
145		assertFalse(f.isCancelled());
146	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
146	>	assertTrue(f.isDone());
147	>	assertTrue(f.isCompletedExceptionally());
148	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
149	>	}
150	>
151	>	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
152	>	checkCompletedExceptionally(f, true,
153	>	t -> assertTrue(t instanceof CFException));
154	>	}
155	>
156	>	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
157	>	checkCompletedExceptionally(f, true,
158	>	t -> assertTrue(t instanceof CancellationException));
159	>	}
160	>
161	>	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
162	>	checkCompletedExceptionally(f, false,
163	>	t -> assertTrue(t instanceof TimeoutException));
164	>	}
165	>
166	>	void checkCompletedWithWrappedException(CompletableFuture<?> f,
167	>	Throwable ex) {
168	>	checkCompletedExceptionally(f, true, t -> assertSame(t, ex));
169	>	}
170	>
171	>	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
172	>	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
173		}
174
175		void checkCancelled(CompletableFuture<?> f) {
176	+	long startTime = System.nanoTime();
177		try {
178		f.get(LONG_DELAY_MS, MILLISECONDS);
179		shouldThrow();
180		} catch (CancellationException success) {
181		} catch (Throwable fail) { threadUnexpectedException(fail); }
182	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
183	+
184		try {
185		f.join();
186		shouldThrow();
#	Line 155 | Line 194 | public class CompletableFutureTest exten
194		shouldThrow();
195		} catch (CancellationException success) {
196		} 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	–	}
197
198	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
199	<	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); }
198	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
199	>
200		assertTrue(f.isDone());
190	–	assertFalse(f.isCancelled());
201		assertTrue(f.isCompletedExceptionally());
202	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
202	>	assertTrue(f.isCancelled());
203	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
204		}
205
206		/**
#	Line 206 | Line 217 | public class CompletableFutureTest exten
217		* isCancelled, join, get, and getNow
218		*/
219		public void testComplete() {
220	+	for (Integer v1 : new Integer[] { 1, null })
221	+	{
222		CompletableFuture<Integer> f = new CompletableFuture<>();
223		checkIncomplete(f);
224	<	f.complete(one);
225	<	checkCompletedNormally(f, one);
226	<	}
224	>	assertTrue(f.complete(v1));
225	>	assertFalse(f.complete(v1));
226	>	checkCompletedNormally(f, v1);
227	>	}}
228
229		/**
230		* completeExceptionally completes exceptionally, as indicated by
#	Line 218 | Line 232 | public class CompletableFutureTest exten
232		*/
233		public void testCompleteExceptionally() {
234		CompletableFuture<Integer> f = new CompletableFuture<>();
235	+	CFException ex = new CFException();
236		checkIncomplete(f);
237	<	f.completeExceptionally(new CFException());
238	<	checkCompletedWithWrappedCFException(f);
237	>	f.completeExceptionally(ex);
238	>	checkCompletedExceptionally(f, ex);
239		}
240
241		/**
#	Line 228 | Line 243 | public class CompletableFutureTest exten
243		* methods isDone, isCancelled, join, get, and getNow
244		*/
245		public void testCancel() {
246	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
247	+	{
248		CompletableFuture<Integer> f = new CompletableFuture<>();
249		checkIncomplete(f);
250	<	assertTrue(f.cancel(true));
250	>	assertTrue(f.cancel(mayInterruptIfRunning));
251	>	assertTrue(f.cancel(mayInterruptIfRunning));
252	>	assertTrue(f.cancel(!mayInterruptIfRunning));
253		checkCancelled(f);
254	<	}
254	>	}}
255
256		/**
257		* obtrudeValue forces completion with given value
#	Line 240 | Line 259 | public class CompletableFutureTest exten
259		public void testObtrudeValue() {
260		CompletableFuture<Integer> f = new CompletableFuture<>();
261		checkIncomplete(f);
262	<	f.complete(one);
262	>	assertTrue(f.complete(one));
263		checkCompletedNormally(f, one);
264		f.obtrudeValue(three);
265		checkCompletedNormally(f, three);
#	Line 261 | Line 280 | public class CompletableFutureTest exten
280		* obtrudeException forces completion with given exception
281		*/
282		public void testObtrudeException() {
283	<	CompletableFuture<Integer> f = new CompletableFuture<>();
284	<	checkIncomplete(f);
285	<	f.complete(one);
286	<	checkCompletedNormally(f, one);
287	<	f.obtrudeException(new CFException());
269	<	checkCompletedWithWrappedCFException(f);
283	>	for (Integer v1 : new Integer[] { 1, null })
284	>	{
285	>	CFException ex;
286	>	CompletableFuture<Integer> f;
287	>
288		f = new CompletableFuture<>();
289	<	f.obtrudeException(new CFException());
290	<	checkCompletedWithWrappedCFException(f);
289	>	assertTrue(f.complete(v1));
290	>	for (int i = 0; i < 2; i++) {
291	>	f.obtrudeException(ex = new CFException());
292	>	checkCompletedExceptionally(f, ex);
293	>	}
294	>
295	>	f = new CompletableFuture<>();
296	>	for (int i = 0; i < 2; i++) {
297	>	f.obtrudeException(ex = new CFException());
298	>	checkCompletedExceptionally(f, ex);
299	>	}
300	>
301		f = new CompletableFuture<>();
302		f.completeExceptionally(new CFException());
303	<	f.obtrudeValue(four);
304	<	checkCompletedNormally(f, four);
305	<	f.obtrudeException(new CFException());
306	<	checkCompletedWithWrappedCFException(f);
307	<	}
303	>	f.obtrudeValue(v1);
304	>	checkCompletedNormally(f, v1);
305	>	f.obtrudeException(ex = new CFException());
306	>	checkCompletedExceptionally(f, ex);
307	>	f.completeExceptionally(new CFException());
308	>	checkCompletedExceptionally(f, ex);
309	>	assertFalse(f.complete(v1));
310	>	checkCompletedExceptionally(f, ex);
311	>	}}
312
313		/**
314		* getNumberOfDependents returns number of dependent tasks
315		*/
316		public void testGetNumberOfDependents() {
317	+	for (ExecutionMode m : ExecutionMode.values())
318	+	for (Integer v1 : new Integer[] { 1, null })
319	+	{
320		CompletableFuture<Integer> f = new CompletableFuture<>();
321		assertEquals(0, f.getNumberOfDependents());
322	<	CompletableFuture g = f.thenRun(new Noop(ExecutionMode.DEFAULT));
322	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
323		assertEquals(1, f.getNumberOfDependents());
324		assertEquals(0, g.getNumberOfDependents());
325	<	CompletableFuture h = f.thenRun(new Noop(ExecutionMode.DEFAULT));
325	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
326		assertEquals(2, f.getNumberOfDependents());
327	<	f.complete(1);
327	>	assertEquals(0, h.getNumberOfDependents());
328	>	assertTrue(f.complete(v1));
329		checkCompletedNormally(g, null);
330	+	checkCompletedNormally(h, null);
331		assertEquals(0, f.getNumberOfDependents());
332		assertEquals(0, g.getNumberOfDependents());
333	<	}
333	>	assertEquals(0, h.getNumberOfDependents());
334	>	}}
335
336		/**
337		* toString indicates current completion state
338		*/
339	<	public void testToString() {
340	<	CompletableFuture<String> f;
341	<
342	<	f = new CompletableFuture<String>();
343	<	assertTrue(f.toString().contains("[Not completed]"));
344	<
345	<	f.complete("foo");
346	<	assertTrue(f.toString().contains("[Completed normally]"));
347	<
348	<	f = new CompletableFuture<String>();
349	<	f.completeExceptionally(new IndexOutOfBoundsException());
350	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
339	>	public void testToString_incomplete() {
340	>	CompletableFuture<String> f = new CompletableFuture<>();
341	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
342	>	if (testImplementationDetails)
343	>	assertEquals(identityString(f) + "[Not completed]",
344	>	f.toString());
345	>	}
346	>
347	>	public void testToString_normal() {
348	>	CompletableFuture<String> f = new CompletableFuture<>();
349	>	assertTrue(f.complete("foo"));
350	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
351	>	if (testImplementationDetails)
352	>	assertEquals(identityString(f) + "[Completed normally]",
353	>	f.toString());
354	>	}
355	>
356	>	public void testToString_exception() {
357	>	CompletableFuture<String> f = new CompletableFuture<>();
358	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
359	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
360	>	if (testImplementationDetails)
361	>	assertTrue(f.toString().startsWith(
362	>	identityString(f) + "[Completed exceptionally: "));
363	>	}
364	>
365	>	public void testToString_cancelled() {
366	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
367	>	CompletableFuture<String> f = new CompletableFuture<>();
368	>	assertTrue(f.cancel(mayInterruptIfRunning));
369	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
370	>	if (testImplementationDetails)
371	>	assertTrue(f.toString().startsWith(
372	>	identityString(f) + "[Completed exceptionally: "));
373	>	}
374		}
375
376		/**
#	Line 320 | Line 381 | public class CompletableFutureTest exten
381		checkCompletedNormally(f, "test");
382		}
383
384	<	// Choose non-commutative actions for better coverage
385	<
386	<	// A non-commutative function that handles and produces null values as well.
387	<	static Integer subtract(Integer x, Integer y) {
388	<	return (x == null && y == null) ? null :
389	<	((x == null) ? 42 : x.intValue())
390	<	- ((y == null) ? 99 : y.intValue());
384	>	abstract static class CheckedAction {
385	>	int invocationCount = 0;
386	>	final ExecutionMode m;
387	>	CheckedAction(ExecutionMode m) { this.m = m; }
388	>	void invoked() {
389	>	m.checkExecutionMode();
390	>	assertEquals(0, invocationCount++);
391	>	}
392	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
393	>	void assertInvoked() { assertEquals(1, invocationCount); }
394		}
395
396	<	// A function that handles and produces null values as well.
397	<	static Integer inc(Integer x) {
398	<	return (x == null) ? null : x + 1;
396	>	abstract static class CheckedIntegerAction extends CheckedAction {
397	>	Integer value;
398	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
399	>	void assertValue(Integer expected) {
400	>	assertInvoked();
401	>	assertEquals(expected, value);
402	>	}
403		}
404
405	<	static final class IntegerSupplier implements Supplier<Integer> {
406	<	final ExecutionMode m;
407	<	int invocationCount = 0;
405	>	static class IntegerSupplier extends CheckedAction
406	>	implements Supplier<Integer>
407	>	{
408		final Integer value;
409		IntegerSupplier(ExecutionMode m, Integer value) {
410	<	this.m = m;
410	>	super(m);
411		this.value = value;
412		}
413		public Integer get() {
414	<	m.checkExecutionMode();
347	<	invocationCount++;
414	>	invoked();
415		return value;
416		}
417		}
418	<
419	<	static final class IncAction implements Consumer<Integer> {
420	<	int invocationCount = 0;
421	<	Integer value;
418	>
419	>	// A function that handles and produces null values as well.
420	>	static Integer inc(Integer x) {
421	>	return (x == null) ? null : x + 1;
422	>	}
423	>
424	>	static class NoopConsumer extends CheckedIntegerAction
425	>	implements Consumer<Integer>
426	>	{
427	>	NoopConsumer(ExecutionMode m) { super(m); }
428		public void accept(Integer x) {
429	<	invocationCount++;
430	<	value = inc(x);
429	>	invoked();
430	>	value = x;
431		}
432		}
433	<	static final class IncFunction implements Function<Integer,Integer> {
434	<	final ExecutionMode m;
435	<	int invocationCount = 0;
436	<	Integer value;
437	<	IncFunction(ExecutionMode m) { this.m = m; }
433	>
434	>	static class IncFunction extends CheckedIntegerAction
435	>	implements Function<Integer,Integer>
436	>	{
437	>	IncFunction(ExecutionMode m) { super(m); }
438		public Integer apply(Integer x) {
439	<	m.checkExecutionMode();
367	<	invocationCount++;
439	>	invoked();
440		return value = inc(x);
441		}
442		}
443	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
444	<	final ExecutionMode m;
445	<	int invocationCount = 0;
446	<	Integer value;
447	<	// Check this action was invoked exactly once when result is computed.
448	<	SubtractAction(ExecutionMode m) { this.m = m; }
443	>
444	>	// Choose non-commutative actions for better coverage
445	>	// A non-commutative function that handles and produces null values as well.
446	>	static Integer subtract(Integer x, Integer y) {
447	>	return (x == null && y == null) ? null :
448	>	((x == null) ? 42 : x.intValue())
449	>	- ((y == null) ? 99 : y.intValue());
450	>	}
451	>
452	>	static class SubtractAction extends CheckedIntegerAction
453	>	implements BiConsumer<Integer, Integer>
454	>	{
455	>	SubtractAction(ExecutionMode m) { super(m); }
456		public void accept(Integer x, Integer y) {
457	<	m.checkExecutionMode();
379	<	invocationCount++;
457	>	invoked();
458		value = subtract(x, y);
459		}
460		}
461	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
462	<	final ExecutionMode m;
463	<	int invocationCount = 0;
464	<	Integer value;
465	<	// Check this action was invoked exactly once when result is computed.
388	<	SubtractFunction(ExecutionMode m) { this.m = m; }
461	>
462	>	static class SubtractFunction extends CheckedIntegerAction
463	>	implements BiFunction<Integer, Integer, Integer>
464	>	{
465	>	SubtractFunction(ExecutionMode m) { super(m); }
466		public Integer apply(Integer x, Integer y) {
467	<	m.checkExecutionMode();
391	<	invocationCount++;
467	>	invoked();
468		return value = subtract(x, y);
469		}
470		}
471	<	static final class Noop implements Runnable {
472	<	final ExecutionMode m;
473	<	int invocationCount = 0;
398	<	Noop(ExecutionMode m) { this.m = m; }
471	>
472	>	static class Noop extends CheckedAction implements Runnable {
473	>	Noop(ExecutionMode m) { super(m); }
474		public void run() {
475	<	m.checkExecutionMode();
401	<	invocationCount++;
475	>	invoked();
476		}
477		}
478
479	<	static final class FailingSupplier implements Supplier<Integer> {
480	<	final ExecutionMode m;
481	<	int invocationCount = 0;
482	<	FailingSupplier(ExecutionMode m) { this.m = m; }
479	>	static class FailingSupplier extends CheckedAction
480	>	implements Supplier<Integer>
481	>	{
482	>	final CFException ex;
483	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
484		public Integer get() {
485	<	m.checkExecutionMode();
486	<	invocationCount++;
412	<	throw new CFException();
485	>	invoked();
486	>	throw ex;
487		}
488		}
489	<	static final class FailingConsumer implements Consumer<Integer> {
490	<	final ExecutionMode m;
491	<	int invocationCount = 0;
492	<	FailingConsumer(ExecutionMode m) { this.m = m; }
489	>
490	>	static class FailingConsumer extends CheckedIntegerAction
491	>	implements Consumer<Integer>
492	>	{
493	>	final CFException ex;
494	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
495		public void accept(Integer x) {
496	<	m.checkExecutionMode();
497	<	invocationCount++;
498	<	throw new CFException();
496	>	invoked();
497	>	value = x;
498	>	throw ex;
499		}
500		}
501	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
502	<	final ExecutionMode m;
503	<	int invocationCount = 0;
504	<	FailingBiConsumer(ExecutionMode m) { this.m = m; }
501	>
502	>	static class FailingBiConsumer extends CheckedIntegerAction
503	>	implements BiConsumer<Integer, Integer>
504	>	{
505	>	final CFException ex;
506	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
507		public void accept(Integer x, Integer y) {
508	<	m.checkExecutionMode();
509	<	invocationCount++;
510	<	throw new CFException();
508	>	invoked();
509	>	value = subtract(x, y);
510	>	throw ex;
511		}
512		}
513	<	static final class FailingFunction implements Function<Integer, Integer> {
514	<	final ExecutionMode m;
515	<	int invocationCount = 0;
516	<	FailingFunction(ExecutionMode m) { this.m = m; }
513	>
514	>	static class FailingFunction extends CheckedIntegerAction
515	>	implements Function<Integer, Integer>
516	>	{
517	>	final CFException ex;
518	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
519		public Integer apply(Integer x) {
520	<	m.checkExecutionMode();
521	<	invocationCount++;
522	<	throw new CFException();
520	>	invoked();
521	>	value = x;
522	>	throw ex;
523		}
524		}
525	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
526	<	final ExecutionMode m;
527	<	int invocationCount = 0;
528	<	FailingBiFunction(ExecutionMode m) { this.m = m; }
525	>
526	>	static class FailingBiFunction extends CheckedIntegerAction
527	>	implements BiFunction<Integer, Integer, Integer>
528	>	{
529	>	final CFException ex;
530	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
531		public Integer apply(Integer x, Integer y) {
532	<	m.checkExecutionMode();
533	<	invocationCount++;
534	<	throw new CFException();
532	>	invoked();
533	>	value = subtract(x, y);
534	>	throw ex;
535		}
536		}
537	<	static final class FailingRunnable implements Runnable {
538	<	final ExecutionMode m;
539	<	int invocationCount = 0;
540	<	FailingRunnable(ExecutionMode m) { this.m = m; }
537	>
538	>	static class FailingRunnable extends CheckedAction implements Runnable {
539	>	final CFException ex;
540	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
541		public void run() {
542	<	m.checkExecutionMode();
543	<	invocationCount++;
462	<	throw new CFException();
542	>	invoked();
543	>	throw ex;
544		}
545		}
546
547	<	static final class CompletableFutureInc
548	<	implements Function<Integer, CompletableFuture<Integer>> {
549	<	final ExecutionMode m;
550	<	int invocationCount = 0;
470	<	CompletableFutureInc(ExecutionMode m) { this.m = m; }
547	>	static class CompletableFutureInc extends CheckedIntegerAction
548	>	implements Function<Integer, CompletableFuture<Integer>>
549	>	{
550	>	CompletableFutureInc(ExecutionMode m) { super(m); }
551		public CompletableFuture<Integer> apply(Integer x) {
552	<	m.checkExecutionMode();
553	<	invocationCount++;
552	>	invoked();
553	>	value = x;
554		CompletableFuture<Integer> f = new CompletableFuture<>();
555	<	f.complete(inc(x));
555	>	assertTrue(f.complete(inc(x)));
556		return f;
557		}
558		}
559
560	<	static final class FailingCompletableFutureFunction
561	<	implements Function<Integer, CompletableFuture<Integer>> {
562	<	final ExecutionMode m;
563	<	int invocationCount = 0;
564	<	FailingCompletableFutureFunction(ExecutionMode m) { this.m = m; }
560	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
561	>	implements Function<Integer, CompletableFuture<Integer>>
562	>	{
563	>	final CFException ex;
564	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
565		public CompletableFuture<Integer> apply(Integer x) {
566	<	m.checkExecutionMode();
567	<	invocationCount++;
568	<	throw new CFException();
566	>	invoked();
567	>	value = x;
568	>	throw ex;
569	>	}
570	>	}
571	>
572	>	static class CountingRejectingExecutor implements Executor {
573	>	final RejectedExecutionException ex = new RejectedExecutionException();
574	>	final AtomicInteger count = new AtomicInteger(0);
575	>	public void execute(Runnable r) {
576	>	count.getAndIncrement();
577	>	throw ex;
578		}
579		}
580
#	Line 503 | Line 592 | public class CompletableFutureTest exten
592		}
593		}
594
595	+	static final boolean defaultExecutorIsCommonPool
596	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
597	+
598		/**
599		* Permits the testing of parallel code for the 3 different
600	<	* execution modes without repeating all the testing code.
600	>	* execution modes without copy/pasting all the test methods.
601		*/
602		enum ExecutionMode {
603	<	DEFAULT {
603	>	SYNC {
604		public void checkExecutionMode() {
605	+	assertFalse(ThreadExecutor.startedCurrentThread());
606		assertNull(ForkJoinTask.getPool());
607		}
608		public CompletableFuture<Void> runAsync(Runnable a) {
#	Line 583 | Line 676 | public class CompletableFutureTest exten
676
677		ASYNC {
678		public void checkExecutionMode() {
679	<	assertSame(ForkJoinPool.commonPool(),
680	<	ForkJoinTask.getPool());
679	>	assertEquals(defaultExecutorIsCommonPool,
680	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
681		}
682		public CompletableFuture<Void> runAsync(Runnable a) {
683		return CompletableFuture.runAsync(a);
#	Line 780 | Line 873 | public class CompletableFutureTest exten
873		{
874		final AtomicInteger a = new AtomicInteger(0);
875		final CompletableFuture<Integer> f = new CompletableFuture<>();
876	<	if (!createIncomplete) f.complete(v1);
876	>	if (!createIncomplete) assertTrue(f.complete(v1));
877		final CompletableFuture<Integer> g = f.exceptionally
878		((Throwable t) -> {
786	–	// Should not be called
879		a.getAndIncrement();
880	<	throw new AssertionError();
880	>	threadFail("should not be called");
881	>	return null;            // unreached
882		});
883	<	if (createIncomplete) f.complete(v1);
883	>	if (createIncomplete) assertTrue(f.complete(v1));
884
885		checkCompletedNormally(g, v1);
886		checkCompletedNormally(f, v1);
887		assertEquals(0, a.get());
888		}}
889
797	–
890		/**
891		* exceptionally action completes with function value on source
892		* exception
#	Line 809 | Line 901 | public class CompletableFutureTest exten
901		if (!createIncomplete) f.completeExceptionally(ex);
902		final CompletableFuture<Integer> g = f.exceptionally
903		((Throwable t) -> {
904	<	ExecutionMode.DEFAULT.checkExecutionMode();
904	>	ExecutionMode.SYNC.checkExecutionMode();
905		threadAssertSame(t, ex);
906		a.getAndIncrement();
907		return v1;
#	Line 820 | Line 912 | public class CompletableFutureTest exten
912		assertEquals(1, a.get());
913		}}
914
915	+	/**
916	+	* If an "exceptionally action" throws an exception, it completes
917	+	* exceptionally with that exception
918	+	*/
919		public void testExceptionally_exceptionalCompletionActionFailed() {
920		for (boolean createIncomplete : new boolean[] { true, false })
825	–	for (Integer v1 : new Integer[] { 1, null })
921		{
922		final AtomicInteger a = new AtomicInteger(0);
923		final CFException ex1 = new CFException();
#	Line 831 | Line 926 | public class CompletableFutureTest exten
926		if (!createIncomplete) f.completeExceptionally(ex1);
927		final CompletableFuture<Integer> g = f.exceptionally
928		((Throwable t) -> {
929	<	ExecutionMode.DEFAULT.checkExecutionMode();
929	>	ExecutionMode.SYNC.checkExecutionMode();
930		threadAssertSame(t, ex1);
931		a.getAndIncrement();
932		throw ex2;
933		});
934		if (createIncomplete) f.completeExceptionally(ex1);
935
936	<	checkCompletedWithWrappedCFException(g, ex2);
936	>	checkCompletedWithWrappedException(g, ex2);
937	>	checkCompletedExceptionally(f, ex1);
938	>	assertEquals(1, a.get());
939	>	}}
940	>
941	>	/**
942	>	* whenComplete action executes on normal completion, propagating
943	>	* source result.
944	>	*/
945	>	public void testWhenComplete_normalCompletion() {
946	>	for (ExecutionMode m : ExecutionMode.values())
947	>	for (boolean createIncomplete : new boolean[] { true, false })
948	>	for (Integer v1 : new Integer[] { 1, null })
949	>	{
950	>	final AtomicInteger a = new AtomicInteger(0);
951	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
952	>	if (!createIncomplete) assertTrue(f.complete(v1));
953	>	final CompletableFuture<Integer> g = m.whenComplete
954	>	(f,
955	>	(Integer result, Throwable t) -> {
956	>	m.checkExecutionMode();
957	>	threadAssertSame(result, v1);
958	>	threadAssertNull(t);
959	>	a.getAndIncrement();
960	>	});
961	>	if (createIncomplete) assertTrue(f.complete(v1));
962	>
963	>	checkCompletedNormally(g, v1);
964	>	checkCompletedNormally(f, v1);
965	>	assertEquals(1, a.get());
966	>	}}
967	>
968	>	/**
969	>	* whenComplete action executes on exceptional completion, propagating
970	>	* source result.
971	>	*/
972	>	public void testWhenComplete_exceptionalCompletion() {
973	>	for (ExecutionMode m : ExecutionMode.values())
974	>	for (boolean createIncomplete : new boolean[] { true, false })
975	>	{
976	>	final AtomicInteger a = new AtomicInteger(0);
977	>	final CFException ex = new CFException();
978	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
979	>	if (!createIncomplete) f.completeExceptionally(ex);
980	>	final CompletableFuture<Integer> g = m.whenComplete
981	>	(f,
982	>	(Integer result, Throwable t) -> {
983	>	m.checkExecutionMode();
984	>	threadAssertNull(result);
985	>	threadAssertSame(t, ex);
986	>	a.getAndIncrement();
987	>	});
988	>	if (createIncomplete) f.completeExceptionally(ex);
989	>
990	>	checkCompletedWithWrappedException(g, ex);
991	>	checkCompletedExceptionally(f, ex);
992	>	assertEquals(1, a.get());
993	>	}}
994	>
995	>	/**
996	>	* whenComplete action executes on cancelled source, propagating
997	>	* CancellationException.
998	>	*/
999	>	public void testWhenComplete_sourceCancelled() {
1000	>	for (ExecutionMode m : ExecutionMode.values())
1001	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1002	>	for (boolean createIncomplete : new boolean[] { true, false })
1003	>	{
1004	>	final AtomicInteger a = new AtomicInteger(0);
1005	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1006	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1007	>	final CompletableFuture<Integer> g = m.whenComplete
1008	>	(f,
1009	>	(Integer result, Throwable t) -> {
1010	>	m.checkExecutionMode();
1011	>	threadAssertNull(result);
1012	>	threadAssertTrue(t instanceof CancellationException);
1013	>	a.getAndIncrement();
1014	>	});
1015	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1016	>
1017	>	checkCompletedWithWrappedCancellationException(g);
1018	>	checkCancelled(f);
1019	>	assertEquals(1, a.get());
1020	>	}}
1021	>
1022	>	/**
1023	>	* If a whenComplete action throws an exception when triggered by
1024	>	* a normal completion, it completes exceptionally
1025	>	*/
1026	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1027	>	for (boolean createIncomplete : new boolean[] { true, false })
1028	>	for (ExecutionMode m : ExecutionMode.values())
1029	>	for (Integer v1 : new Integer[] { 1, null })
1030	>	{
1031	>	final AtomicInteger a = new AtomicInteger(0);
1032	>	final CFException ex = new CFException();
1033	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1034	>	if (!createIncomplete) assertTrue(f.complete(v1));
1035	>	final CompletableFuture<Integer> g = m.whenComplete
1036	>	(f,
1037	>	(Integer result, Throwable t) -> {
1038	>	m.checkExecutionMode();
1039	>	threadAssertSame(result, v1);
1040	>	threadAssertNull(t);
1041	>	a.getAndIncrement();
1042	>	throw ex;
1043	>	});
1044	>	if (createIncomplete) assertTrue(f.complete(v1));
1045	>
1046	>	checkCompletedWithWrappedException(g, ex);
1047	>	checkCompletedNormally(f, v1);
1048	>	assertEquals(1, a.get());
1049	>	}}
1050	>
1051	>	/**
1052	>	* If a whenComplete action throws an exception when triggered by
1053	>	* a source completion that also throws an exception, the source
1054	>	* exception takes precedence (unlike handle)
1055	>	*/
1056	>	public void testWhenComplete_sourceFailedActionFailed() {
1057	>	for (boolean createIncomplete : new boolean[] { true, false })
1058	>	for (ExecutionMode m : ExecutionMode.values())
1059	>	{
1060	>	final AtomicInteger a = new AtomicInteger(0);
1061	>	final CFException ex1 = new CFException();
1062	>	final CFException ex2 = new CFException();
1063	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1064	>
1065	>	if (!createIncomplete) f.completeExceptionally(ex1);
1066	>	final CompletableFuture<Integer> g = m.whenComplete
1067	>	(f,
1068	>	(Integer result, Throwable t) -> {
1069	>	m.checkExecutionMode();
1070	>	threadAssertSame(t, ex1);
1071	>	threadAssertNull(result);
1072	>	a.getAndIncrement();
1073	>	throw ex2;
1074	>	});
1075	>	if (createIncomplete) f.completeExceptionally(ex1);
1076	>
1077	>	checkCompletedWithWrappedException(g, ex1);
1078	>	checkCompletedExceptionally(f, ex1);
1079	>	if (testImplementationDetails) {
1080	>	assertEquals(1, ex1.getSuppressed().length);
1081	>	assertSame(ex2, ex1.getSuppressed()[0]);
1082	>	}
1083		assertEquals(1, a.get());
1084		}}
1085
#	Line 853 | Line 1094 | public class CompletableFutureTest exten
1094		{
1095		final CompletableFuture<Integer> f = new CompletableFuture<>();
1096		final AtomicInteger a = new AtomicInteger(0);
1097	<	if (!createIncomplete) f.complete(v1);
1097	>	if (!createIncomplete) assertTrue(f.complete(v1));
1098		final CompletableFuture<Integer> g = m.handle
1099		(f,
1100	<	(Integer x, Throwable t) -> {
1100	>	(Integer result, Throwable t) -> {
1101		m.checkExecutionMode();
1102	<	threadAssertSame(x, v1);
1102	>	threadAssertSame(result, v1);
1103		threadAssertNull(t);
1104		a.getAndIncrement();
1105		return inc(v1);
1106		});
1107	<	if (createIncomplete) f.complete(v1);
1107	>	if (createIncomplete) assertTrue(f.complete(v1));
1108
1109		checkCompletedNormally(g, inc(v1));
1110		checkCompletedNormally(f, v1);
#	Line 885 | Line 1126 | public class CompletableFutureTest exten
1126		if (!createIncomplete) f.completeExceptionally(ex);
1127		final CompletableFuture<Integer> g = m.handle
1128		(f,
1129	<	(Integer x, Throwable t) -> {
1129	>	(Integer result, Throwable t) -> {
1130		m.checkExecutionMode();
1131	<	threadAssertNull(x);
1131	>	threadAssertNull(result);
1132		threadAssertSame(t, ex);
1133		a.getAndIncrement();
1134		return v1;
#	Line 895 | Line 1136 | public class CompletableFutureTest exten
1136		if (createIncomplete) f.completeExceptionally(ex);
1137
1138		checkCompletedNormally(g, v1);
1139	<	checkCompletedWithWrappedCFException(f, ex);
1139	>	checkCompletedExceptionally(f, ex);
1140		assertEquals(1, a.get());
1141		}}
1142
#	Line 914 | Line 1155 | public class CompletableFutureTest exten
1155		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1156		final CompletableFuture<Integer> g = m.handle
1157		(f,
1158	<	(Integer x, Throwable t) -> {
1158	>	(Integer result, Throwable t) -> {
1159		m.checkExecutionMode();
1160	<	threadAssertNull(x);
1160	>	threadAssertNull(result);
1161		threadAssertTrue(t instanceof CancellationException);
1162		a.getAndIncrement();
1163		return v1;
#	Line 929 | Line 1170 | public class CompletableFutureTest exten
1170		}}
1171
1172		/**
1173	<	* handle result completes exceptionally if action does
1173	>	* If a "handle action" throws an exception when triggered by
1174	>	* a normal completion, it completes exceptionally
1175		*/
1176	<	public void testHandle_sourceFailedActionFailed() {
1176	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1177		for (ExecutionMode m : ExecutionMode.values())
1178		for (boolean createIncomplete : new boolean[] { true, false })
1179	+	for (Integer v1 : new Integer[] { 1, null })
1180		{
1181		final CompletableFuture<Integer> f = new CompletableFuture<>();
1182		final AtomicInteger a = new AtomicInteger(0);
1183	<	final CFException ex1 = new CFException();
1184	<	final CFException ex2 = new CFException();
942	<	if (!createIncomplete) f.completeExceptionally(ex1);
1183	>	final CFException ex = new CFException();
1184	>	if (!createIncomplete) assertTrue(f.complete(v1));
1185		final CompletableFuture<Integer> g = m.handle
1186		(f,
1187	<	(Integer x, Throwable t) -> {
1187	>	(Integer result, Throwable t) -> {
1188		m.checkExecutionMode();
1189	<	threadAssertNull(x);
1190	<	threadAssertSame(ex1, t);
1189	>	threadAssertSame(result, v1);
1190	>	threadAssertNull(t);
1191		a.getAndIncrement();
1192	<	throw ex2;
1192	>	throw ex;
1193		});
1194	<	if (createIncomplete) f.completeExceptionally(ex1);
1194	>	if (createIncomplete) assertTrue(f.complete(v1));
1195
1196	<	checkCompletedWithWrappedCFException(g, ex2);
1197	<	checkCompletedWithWrappedCFException(f, ex1);
1196	>	checkCompletedWithWrappedException(g, ex);
1197	>	checkCompletedNormally(f, v1);
1198		assertEquals(1, a.get());
1199		}}
1200
1201	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1202	<	for (ExecutionMode m : ExecutionMode.values())
1201	>	/**
1202	>	* If a "handle action" throws an exception when triggered by
1203	>	* a source completion that also throws an exception, the action
1204	>	* exception takes precedence (unlike whenComplete)
1205	>	*/
1206	>	public void testHandle_sourceFailedActionFailed() {
1207		for (boolean createIncomplete : new boolean[] { true, false })
1208	<	for (Integer v1 : new Integer[] { 1, null })
1208	>	for (ExecutionMode m : ExecutionMode.values())
1209		{
964	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1210		final AtomicInteger a = new AtomicInteger(0);
1211	<	final CFException ex = new CFException();
1212	<	if (!createIncomplete) f.complete(v1);
1211	>	final CFException ex1 = new CFException();
1212	>	final CFException ex2 = new CFException();
1213	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1214	>
1215	>	if (!createIncomplete) f.completeExceptionally(ex1);
1216		final CompletableFuture<Integer> g = m.handle
1217		(f,
1218	<	(Integer x, Throwable t) -> {
1218	>	(Integer result, Throwable t) -> {
1219		m.checkExecutionMode();
1220	<	threadAssertSame(x, v1);
1221	<	threadAssertNull(t);
1220	>	threadAssertNull(result);
1221	>	threadAssertSame(ex1, t);
1222		a.getAndIncrement();
1223	<	throw ex;
1223	>	throw ex2;
1224		});
1225	<	if (createIncomplete) f.complete(v1);
1225	>	if (createIncomplete) f.completeExceptionally(ex1);
1226
1227	<	checkCompletedWithWrappedCFException(g, ex);
1228	<	checkCompletedNormally(f, v1);
1227	>	checkCompletedWithWrappedException(g, ex2);
1228	>	checkCompletedExceptionally(f, ex1);
1229		assertEquals(1, a.get());
1230		}}
1231
#	Line 995 | Line 1243 | public class CompletableFutureTest exten
1243		final CompletableFuture<Void> f = m.runAsync(r);
1244		assertNull(f.join());
1245		checkCompletedNormally(f, null);
1246	<	assertEquals(1, r.invocationCount);
1246	>	r.assertInvoked();
1247		}}
1248
1249		/**
#	Line 1010 | Line 1258 | public class CompletableFutureTest exten
1258		{
1259		final FailingRunnable r = new FailingRunnable(m);
1260		final CompletableFuture<Void> f = m.runAsync(r);
1261	<	checkCompletedWithWrappedCFException(f);
1262	<	assertEquals(1, r.invocationCount);
1261	>	checkCompletedWithWrappedException(f, r.ex);
1262	>	r.assertInvoked();
1263		}}
1264
1265	+	@SuppressWarnings("FutureReturnValueIgnored")
1266	+	public void testRunAsync_rejectingExecutor() {
1267	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1268	+	try {
1269	+	CompletableFuture.runAsync(() -> {}, e);
1270	+	shouldThrow();
1271	+	} catch (Throwable t) {
1272	+	assertSame(e.ex, t);
1273	+	}
1274	+
1275	+	assertEquals(1, e.count.get());
1276	+	}
1277	+
1278		/**
1279		* supplyAsync completes with result of supplier
1280		*/
#	Line 1029 | Line 1290 | public class CompletableFutureTest exten
1290		final CompletableFuture<Integer> f = m.supplyAsync(r);
1291		assertSame(v1, f.join());
1292		checkCompletedNormally(f, v1);
1293	<	assertEquals(1, r.invocationCount);
1293	>	r.assertInvoked();
1294		}}
1295
1296		/**
#	Line 1044 | Line 1305 | public class CompletableFutureTest exten
1305		{
1306		FailingSupplier r = new FailingSupplier(m);
1307		CompletableFuture<Integer> f = m.supplyAsync(r);
1308	<	checkCompletedWithWrappedCFException(f);
1309	<	assertEquals(1, r.invocationCount);
1308	>	checkCompletedWithWrappedException(f, r.ex);
1309	>	r.assertInvoked();
1310		}}
1311
1312	+	@SuppressWarnings("FutureReturnValueIgnored")
1313	+	public void testSupplyAsync_rejectingExecutor() {
1314	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1315	+	try {
1316	+	CompletableFuture.supplyAsync(() -> null, e);
1317	+	shouldThrow();
1318	+	} catch (Throwable t) {
1319	+	assertSame(e.ex, t);
1320	+	}
1321	+
1322	+	assertEquals(1, e.count.get());
1323	+	}
1324	+
1325		// seq completion methods
1326
1327		/**
#	Line 1055 | Line 1329 | public class CompletableFutureTest exten
1329		*/
1330		public void testThenRun_normalCompletion() {
1331		for (ExecutionMode m : ExecutionMode.values())
1058	–	for (boolean createIncomplete : new boolean[] { true, false })
1332		for (Integer v1 : new Integer[] { 1, null })
1333		{
1334		final CompletableFuture<Integer> f = new CompletableFuture<>();
1335	<	final Noop r = new Noop(m);
1336	<	if (!createIncomplete) f.complete(v1);
1064	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1065	<	if (createIncomplete) {
1066	<	checkIncomplete(g);
1067	<	f.complete(v1);
1068	<	}
1335	>	final Noop[] rs = new Noop[6];
1336	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1337
1338	<	checkCompletedNormally(g, null);
1338	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1339	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1340	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1341	>	checkIncomplete(h0);
1342	>	checkIncomplete(h1);
1343	>	checkIncomplete(h2);
1344	>	assertTrue(f.complete(v1));
1345	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1346	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1347	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1348	>
1349	>	checkCompletedNormally(h0, null);
1350	>	checkCompletedNormally(h1, null);
1351	>	checkCompletedNormally(h2, null);
1352	>	checkCompletedNormally(h3, null);
1353	>	checkCompletedNormally(h4, null);
1354	>	checkCompletedNormally(h5, null);
1355		checkCompletedNormally(f, v1);
1356	<	assertEquals(1, r.invocationCount);
1356	>	for (Noop r : rs) r.assertInvoked();
1357		}}
1358
1359		/**
#	Line 1078 | Line 1362 | public class CompletableFutureTest exten
1362		*/
1363		public void testThenRun_exceptionalCompletion() {
1364		for (ExecutionMode m : ExecutionMode.values())
1081	–	for (boolean createIncomplete : new boolean[] { true, false })
1365		{
1366		final CFException ex = new CFException();
1367		final CompletableFuture<Integer> f = new CompletableFuture<>();
1368	<	final Noop r = new Noop(m);
1369	<	if (!createIncomplete) f.completeExceptionally(ex);
1087	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1088	<	if (createIncomplete) {
1089	<	checkIncomplete(g);
1090	<	f.completeExceptionally(ex);
1091	<	}
1368	>	final Noop[] rs = new Noop[6];
1369	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1370
1371	<	checkCompletedWithWrappedCFException(g, ex);
1372	<	checkCompletedWithWrappedCFException(f, ex);
1373	<	assertEquals(0, r.invocationCount);
1371	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1372	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1373	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1374	>	checkIncomplete(h0);
1375	>	checkIncomplete(h1);
1376	>	checkIncomplete(h2);
1377	>	assertTrue(f.completeExceptionally(ex));
1378	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1379	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1380	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1381	>
1382	>	checkCompletedWithWrappedException(h0, ex);
1383	>	checkCompletedWithWrappedException(h1, ex);
1384	>	checkCompletedWithWrappedException(h2, ex);
1385	>	checkCompletedWithWrappedException(h3, ex);
1386	>	checkCompletedWithWrappedException(h4, ex);
1387	>	checkCompletedWithWrappedException(h5, ex);
1388	>	checkCompletedExceptionally(f, ex);
1389	>	for (Noop r : rs) r.assertNotInvoked();
1390		}}
1391
1392		/**
#	Line 1100 | Line 1394 | public class CompletableFutureTest exten
1394		*/
1395		public void testThenRun_sourceCancelled() {
1396		for (ExecutionMode m : ExecutionMode.values())
1103	–	for (boolean createIncomplete : new boolean[] { true, false })
1397		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1398		{
1399		final CompletableFuture<Integer> f = new CompletableFuture<>();
1400	<	final Noop r = new Noop(m);
1401	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1109	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1110	<	if (createIncomplete) {
1111	<	checkIncomplete(g);
1112	<	assertTrue(f.cancel(mayInterruptIfRunning));
1113	<	}
1400	>	final Noop[] rs = new Noop[6];
1401	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1402
1403	<	checkCompletedWithWrappedCancellationException(g);
1403	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1404	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1405	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1406	>	checkIncomplete(h0);
1407	>	checkIncomplete(h1);
1408	>	checkIncomplete(h2);
1409	>	assertTrue(f.cancel(mayInterruptIfRunning));
1410	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1411	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1412	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1413	>
1414	>	checkCompletedWithWrappedCancellationException(h0);
1415	>	checkCompletedWithWrappedCancellationException(h1);
1416	>	checkCompletedWithWrappedCancellationException(h2);
1417	>	checkCompletedWithWrappedCancellationException(h3);
1418	>	checkCompletedWithWrappedCancellationException(h4);
1419	>	checkCompletedWithWrappedCancellationException(h5);
1420		checkCancelled(f);
1421	<	assertEquals(0, r.invocationCount);
1421	>	for (Noop r : rs) r.assertNotInvoked();
1422		}}
1423
1424		/**
#	Line 1122 | Line 1426 | public class CompletableFutureTest exten
1426		*/
1427		public void testThenRun_actionFailed() {
1428		for (ExecutionMode m : ExecutionMode.values())
1125	–	for (boolean createIncomplete : new boolean[] { true, false })
1429		for (Integer v1 : new Integer[] { 1, null })
1430		{
1431		final CompletableFuture<Integer> f = new CompletableFuture<>();
1432	<	final FailingRunnable r = new FailingRunnable(m);
1433	<	if (!createIncomplete) f.complete(v1);
1131	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1132	<	if (createIncomplete) {
1133	<	checkIncomplete(g);
1134	<	f.complete(v1);
1135	<	}
1432	>	final FailingRunnable[] rs = new FailingRunnable[6];
1433	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1434
1435	<	checkCompletedWithWrappedCFException(g);
1435	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1436	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1437	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1438	>	assertTrue(f.complete(v1));
1439	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1440	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1441	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1442	>
1443	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1444	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1445	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1446	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1447	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1448	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1449		checkCompletedNormally(f, v1);
1450		}}
1451
#	Line 1143 | Line 1454 | public class CompletableFutureTest exten
1454		*/
1455		public void testThenApply_normalCompletion() {
1456		for (ExecutionMode m : ExecutionMode.values())
1146	–	for (boolean createIncomplete : new boolean[] { true, false })
1457		for (Integer v1 : new Integer[] { 1, null })
1458		{
1459		final CompletableFuture<Integer> f = new CompletableFuture<>();
1460	<	final IncFunction r = new IncFunction(m);
1461	<	if (!createIncomplete) f.complete(v1);
1152	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1153	<	if (createIncomplete) {
1154	<	checkIncomplete(g);
1155	<	f.complete(v1);
1156	<	}
1460	>	final IncFunction[] rs = new IncFunction[4];
1461	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1462
1463	<	checkCompletedNormally(g, inc(v1));
1463	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1464	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1465	>	checkIncomplete(h0);
1466	>	checkIncomplete(h1);
1467	>	assertTrue(f.complete(v1));
1468	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1469	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1470	>
1471	>	checkCompletedNormally(h0, inc(v1));
1472	>	checkCompletedNormally(h1, inc(v1));
1473	>	checkCompletedNormally(h2, inc(v1));
1474	>	checkCompletedNormally(h3, inc(v1));
1475		checkCompletedNormally(f, v1);
1476	<	assertEquals(1, r.invocationCount);
1476	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1477		}}
1478
1479		/**
#	Line 1166 | Line 1482 | public class CompletableFutureTest exten
1482		*/
1483		public void testThenApply_exceptionalCompletion() {
1484		for (ExecutionMode m : ExecutionMode.values())
1169	–	for (boolean createIncomplete : new boolean[] { true, false })
1485		{
1486		final CFException ex = new CFException();
1487		final CompletableFuture<Integer> f = new CompletableFuture<>();
1488	<	final IncFunction r = new IncFunction(m);
1489	<	if (!createIncomplete) f.completeExceptionally(ex);
1175	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1176	<	if (createIncomplete) {
1177	<	checkIncomplete(g);
1178	<	f.completeExceptionally(ex);
1179	<	}
1488	>	final IncFunction[] rs = new IncFunction[4];
1489	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1490
1491	<	checkCompletedWithWrappedCFException(g, ex);
1492	<	checkCompletedWithWrappedCFException(f, ex);
1493	<	assertEquals(0, r.invocationCount);
1491	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1492	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1493	>	assertTrue(f.completeExceptionally(ex));
1494	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1495	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1496	>
1497	>	checkCompletedWithWrappedException(h0, ex);
1498	>	checkCompletedWithWrappedException(h1, ex);
1499	>	checkCompletedWithWrappedException(h2, ex);
1500	>	checkCompletedWithWrappedException(h3, ex);
1501	>	checkCompletedExceptionally(f, ex);
1502	>	for (IncFunction r : rs) r.assertNotInvoked();
1503		}}
1504
1505		/**
#	Line 1188 | Line 1507 | public class CompletableFutureTest exten
1507		*/
1508		public void testThenApply_sourceCancelled() {
1509		for (ExecutionMode m : ExecutionMode.values())
1191	–	for (boolean createIncomplete : new boolean[] { true, false })
1510		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1511		{
1512		final CompletableFuture<Integer> f = new CompletableFuture<>();
1513	<	final IncFunction r = new IncFunction(m);
1514	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1197	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1198	<	if (createIncomplete) {
1199	<	checkIncomplete(g);
1200	<	assertTrue(f.cancel(mayInterruptIfRunning));
1201	<	}
1513	>	final IncFunction[] rs = new IncFunction[4];
1514	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1515
1516	<	checkCompletedWithWrappedCancellationException(g);
1516	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1517	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1518	>	assertTrue(f.cancel(mayInterruptIfRunning));
1519	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1520	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1521	>
1522	>	checkCompletedWithWrappedCancellationException(h0);
1523	>	checkCompletedWithWrappedCancellationException(h1);
1524	>	checkCompletedWithWrappedCancellationException(h2);
1525	>	checkCompletedWithWrappedCancellationException(h3);
1526		checkCancelled(f);
1527	<	assertEquals(0, r.invocationCount);
1527	>	for (IncFunction r : rs) r.assertNotInvoked();
1528		}}
1529
1530		/**
#	Line 1210 | Line 1532 | public class CompletableFutureTest exten
1532		*/
1533		public void testThenApply_actionFailed() {
1534		for (ExecutionMode m : ExecutionMode.values())
1213	–	for (boolean createIncomplete : new boolean[] { true, false })
1535		for (Integer v1 : new Integer[] { 1, null })
1536		{
1537		final CompletableFuture<Integer> f = new CompletableFuture<>();
1538	<	final FailingFunction r = new FailingFunction(m);
1539	<	if (!createIncomplete) f.complete(v1);
1219	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1220	<	if (createIncomplete) {
1221	<	checkIncomplete(g);
1222	<	f.complete(v1);
1223	<	}
1538	>	final FailingFunction[] rs = new FailingFunction[4];
1539	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1540
1541	<	checkCompletedWithWrappedCFException(g);
1541	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1542	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1543	>	assertTrue(f.complete(v1));
1544	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1545	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1546	>
1547	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1548	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1549	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1550	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1551		checkCompletedNormally(f, v1);
1552		}}
1553
#	Line 1231 | Line 1556 | public class CompletableFutureTest exten
1556		*/
1557		public void testThenAccept_normalCompletion() {
1558		for (ExecutionMode m : ExecutionMode.values())
1234	–	for (boolean createIncomplete : new boolean[] { true, false })
1559		for (Integer v1 : new Integer[] { 1, null })
1560		{
1561		final CompletableFuture<Integer> f = new CompletableFuture<>();
1562	<	final IncAction r = new IncAction();
1563	<	if (!createIncomplete) f.complete(v1);
1240	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1241	<	if (createIncomplete) {
1242	<	checkIncomplete(g);
1243	<	f.complete(v1);
1244	<	}
1562	>	final NoopConsumer[] rs = new NoopConsumer[4];
1563	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1564
1565	<	checkCompletedNormally(g, null);
1565	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1566	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1567	>	checkIncomplete(h0);
1568	>	checkIncomplete(h1);
1569	>	assertTrue(f.complete(v1));
1570	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1571	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1572	>
1573	>	checkCompletedNormally(h0, null);
1574	>	checkCompletedNormally(h1, null);
1575	>	checkCompletedNormally(h2, null);
1576	>	checkCompletedNormally(h3, null);
1577		checkCompletedNormally(f, v1);
1578	<	assertEquals(1, r.invocationCount);
1249	<	assertEquals(inc(v1), r.value);
1578	>	for (NoopConsumer r : rs) r.assertValue(v1);
1579		}}
1580
1581		/**
#	Line 1255 | Line 1584 | public class CompletableFutureTest exten
1584		*/
1585		public void testThenAccept_exceptionalCompletion() {
1586		for (ExecutionMode m : ExecutionMode.values())
1258	–	for (boolean createIncomplete : new boolean[] { true, false })
1587		{
1588		final CFException ex = new CFException();
1589		final CompletableFuture<Integer> f = new CompletableFuture<>();
1590	<	final IncAction r = new IncAction();
1591	<	if (!createIncomplete) f.completeExceptionally(ex);
1264	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1265	<	if (createIncomplete) {
1266	<	checkIncomplete(g);
1267	<	f.completeExceptionally(ex);
1268	<	}
1590	>	final NoopConsumer[] rs = new NoopConsumer[4];
1591	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1592
1593	<	checkCompletedWithWrappedCFException(g, ex);
1594	<	checkCompletedWithWrappedCFException(f, ex);
1595	<	assertEquals(0, r.invocationCount);
1593	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1594	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1595	>	assertTrue(f.completeExceptionally(ex));
1596	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1597	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1598	>
1599	>	checkCompletedWithWrappedException(h0, ex);
1600	>	checkCompletedWithWrappedException(h1, ex);
1601	>	checkCompletedWithWrappedException(h2, ex);
1602	>	checkCompletedWithWrappedException(h3, ex);
1603	>	checkCompletedExceptionally(f, ex);
1604	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1605		}}
1606
1607		/**
1608	<	* thenAccept result completes exceptionally if action does
1608	>	* thenAccept result completes exceptionally if source cancelled
1609		*/
1610	<	public void testThenAccept_actionFailed() {
1610	>	public void testThenAccept_sourceCancelled() {
1611		for (ExecutionMode m : ExecutionMode.values())
1612	<	for (boolean createIncomplete : new boolean[] { true, false })
1281	<	for (Integer v1 : new Integer[] { 1, null })
1612	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1613		{
1614		final CompletableFuture<Integer> f = new CompletableFuture<>();
1615	<	final FailingConsumer r = new FailingConsumer(m);
1616	<	if (!createIncomplete) f.complete(v1);
1286	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1287	<	if (createIncomplete) {
1288	<	checkIncomplete(g);
1289	<	f.complete(v1);
1290	<	}
1615	>	final NoopConsumer[] rs = new NoopConsumer[4];
1616	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1617
1618	<	checkCompletedWithWrappedCFException(g);
1619	<	checkCompletedNormally(f, v1);
1618	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1619	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1620	>	assertTrue(f.cancel(mayInterruptIfRunning));
1621	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1622	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1623	>
1624	>	checkCompletedWithWrappedCancellationException(h0);
1625	>	checkCompletedWithWrappedCancellationException(h1);
1626	>	checkCompletedWithWrappedCancellationException(h2);
1627	>	checkCompletedWithWrappedCancellationException(h3);
1628	>	checkCancelled(f);
1629	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1630		}}
1631
1632		/**
1633	<	* thenAccept result completes exceptionally if source cancelled
1633	>	* thenAccept result completes exceptionally if action does
1634		*/
1635	<	public void testThenAccept_sourceCancelled() {
1635	>	public void testThenAccept_actionFailed() {
1636		for (ExecutionMode m : ExecutionMode.values())
1637	<	for (boolean createIncomplete : new boolean[] { true, false })
1302	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1637	>	for (Integer v1 : new Integer[] { 1, null })
1638		{
1639		final CompletableFuture<Integer> f = new CompletableFuture<>();
1640	<	final IncAction r = new IncAction();
1641	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1307	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1308	<	if (createIncomplete) {
1309	<	checkIncomplete(g);
1310	<	assertTrue(f.cancel(mayInterruptIfRunning));
1311	<	}
1640	>	final FailingConsumer[] rs = new FailingConsumer[4];
1641	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1642
1643	<	checkCompletedWithWrappedCancellationException(g);
1644	<	checkCancelled(f);
1645	<	assertEquals(0, r.invocationCount);
1643	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1644	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1645	>	assertTrue(f.complete(v1));
1646	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1647	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1648	>
1649	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1650	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1651	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1652	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1653	>	checkCompletedNormally(f, v1);
1654		}}
1655
1656		/**
#	Line 1321 | Line 1659 | public class CompletableFutureTest exten
1659		*/
1660		public void testThenCombine_normalCompletion() {
1661		for (ExecutionMode m : ExecutionMode.values())
1324	–	for (boolean createIncomplete : new boolean[] { true, false })
1662		for (boolean fFirst : new boolean[] { true, false })
1663		for (Integer v1 : new Integer[] { 1, null })
1664		for (Integer v2 : new Integer[] { 2, null })
1665		{
1666		final CompletableFuture<Integer> f = new CompletableFuture<>();
1667		final CompletableFuture<Integer> g = new CompletableFuture<>();
1668	<	final SubtractFunction r = new SubtractFunction(m);
1668	>	final SubtractFunction[] rs = new SubtractFunction[6];
1669	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1670
1671	<	if (fFirst) f.complete(v1); else g.complete(v2);
1672	<	if (!createIncomplete)
1673	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1674	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1675	<	if (createIncomplete) {
1676	<	checkIncomplete(h);
1677	<	assertEquals(0, r.invocationCount);
1678	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1679	<	}
1671	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1672	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1673	>	final Integer w1 =  fFirst ? v1 : v2;
1674	>	final Integer w2 = !fFirst ? v1 : v2;
1675	>
1676	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1677	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1678	>	assertTrue(fst.complete(w1));
1679	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1680	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1681	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1682	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1683	>	checkCompletedNormally(h1, subtract(w1, w1));
1684	>	checkCompletedNormally(h3, subtract(w1, w1));
1685	>	rs[1].assertValue(subtract(w1, w1));
1686	>	rs[3].assertValue(subtract(w1, w1));
1687	>	assertTrue(snd.complete(w2));
1688	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1689	>
1690	>	checkCompletedNormally(h0, subtract(v1, v2));
1691	>	checkCompletedNormally(h2, subtract(v1, v2));
1692	>	checkCompletedNormally(h4, subtract(v1, v2));
1693	>	rs[0].assertValue(subtract(v1, v2));
1694	>	rs[2].assertValue(subtract(v1, v2));
1695	>	rs[4].assertValue(subtract(v1, v2));
1696
1343	–	checkCompletedNormally(h, subtract(v1, v2));
1697		checkCompletedNormally(f, v1);
1698		checkCompletedNormally(g, v2);
1346	–	assertEquals(1, r.invocationCount);
1699		}}
1700
1701		/**
1702		* thenCombine result completes exceptionally after exceptional
1703		* completion of either source
1704		*/
1705	<	public void testThenCombine_exceptionalCompletion() {
1705	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1706		for (ExecutionMode m : ExecutionMode.values())
1355	–	for (boolean createIncomplete : new boolean[] { true, false })
1707		for (boolean fFirst : new boolean[] { true, false })
1708	+	for (boolean failFirst : new boolean[] { true, false })
1709		for (Integer v1 : new Integer[] { 1, null })
1710		{
1711		final CompletableFuture<Integer> f = new CompletableFuture<>();
1712		final CompletableFuture<Integer> g = new CompletableFuture<>();
1713		final CFException ex = new CFException();
1714	<	final SubtractFunction r = new SubtractFunction(m);
1715	<
1716	<	(fFirst ? f : g).complete(v1);
1717	<	if (!createIncomplete)
1718	<	(!fFirst ? f : g).completeExceptionally(ex);
1719	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1720	<	if (createIncomplete) {
1721	<	checkIncomplete(h);
1722	<	(!fFirst ? f : g).completeExceptionally(ex);
1723	<	}
1724	<
1725	<	checkCompletedWithWrappedCFException(h, ex);
1726	<	assertEquals(0, r.invocationCount);
1727	<	checkCompletedNormally(fFirst ? f : g, v1);
1728	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1714	>	final SubtractFunction r1 = new SubtractFunction(m);
1715	>	final SubtractFunction r2 = new SubtractFunction(m);
1716	>	final SubtractFunction r3 = new SubtractFunction(m);
1717	>
1718	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1719	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1720	>	final Callable<Boolean> complete1 = failFirst ?
1721	>	() -> fst.completeExceptionally(ex) :
1722	>	() -> fst.complete(v1);
1723	>	final Callable<Boolean> complete2 = failFirst ?
1724	>	() -> snd.complete(v1) :
1725	>	() -> snd.completeExceptionally(ex);
1726	>
1727	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1728	>	assertTrue(complete1.call());
1729	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1730	>	checkIncomplete(h1);
1731	>	checkIncomplete(h2);
1732	>	assertTrue(complete2.call());
1733	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1734	>
1735	>	checkCompletedWithWrappedException(h1, ex);
1736	>	checkCompletedWithWrappedException(h2, ex);
1737	>	checkCompletedWithWrappedException(h3, ex);
1738	>	r1.assertNotInvoked();
1739	>	r2.assertNotInvoked();
1740	>	r3.assertNotInvoked();
1741	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1742	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1743		}}
1744
1745		/**
1746	<	* thenCombine result completes exceptionally if action does
1746	>	* thenCombine result completes exceptionally if either source cancelled
1747		*/
1748	<	public void testThenCombine_actionFailed() {
1748	>	public void testThenCombine_sourceCancelled() throws Throwable {
1749		for (ExecutionMode m : ExecutionMode.values())
1750	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1751		for (boolean fFirst : new boolean[] { true, false })
1752	+	for (boolean failFirst : new boolean[] { true, false })
1753		for (Integer v1 : new Integer[] { 1, null })
1386	–	for (Integer v2 : new Integer[] { 2, null })
1754		{
1755		final CompletableFuture<Integer> f = new CompletableFuture<>();
1756		final CompletableFuture<Integer> g = new CompletableFuture<>();
1757	<	final FailingBiFunction r = new FailingBiFunction(m);
1758	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1759	<
1760	<	if (fFirst) {
1761	<	f.complete(v1);
1762	<	g.complete(v2);
1763	<	} else {
1764	<	g.complete(v2);
1765	<	f.complete(v1);
1766	<	}
1767	<
1768	<	checkCompletedWithWrappedCFException(h);
1769	<	checkCompletedNormally(f, v1);
1770	<	checkCompletedNormally(g, v2);
1757	>	final SubtractFunction r1 = new SubtractFunction(m);
1758	>	final SubtractFunction r2 = new SubtractFunction(m);
1759	>	final SubtractFunction r3 = new SubtractFunction(m);
1760	>
1761	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1762	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1763	>	final Callable<Boolean> complete1 = failFirst ?
1764	>	() -> fst.cancel(mayInterruptIfRunning) :
1765	>	() -> fst.complete(v1);
1766	>	final Callable<Boolean> complete2 = failFirst ?
1767	>	() -> snd.complete(v1) :
1768	>	() -> snd.cancel(mayInterruptIfRunning);
1769	>
1770	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1771	>	assertTrue(complete1.call());
1772	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1773	>	checkIncomplete(h1);
1774	>	checkIncomplete(h2);
1775	>	assertTrue(complete2.call());
1776	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1777	>
1778	>	checkCompletedWithWrappedCancellationException(h1);
1779	>	checkCompletedWithWrappedCancellationException(h2);
1780	>	checkCompletedWithWrappedCancellationException(h3);
1781	>	r1.assertNotInvoked();
1782	>	r2.assertNotInvoked();
1783	>	r3.assertNotInvoked();
1784	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1785	>	checkCancelled(failFirst ? fst : snd);
1786		}}
1787
1788		/**
1789	<	* thenCombine result completes exceptionally if either source cancelled
1789	>	* thenCombine result completes exceptionally if action does
1790		*/
1791	<	public void testThenCombine_sourceCancelled() {
1791	>	public void testThenCombine_actionFailed() {
1792		for (ExecutionMode m : ExecutionMode.values())
1411	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1412	–	for (boolean createIncomplete : new boolean[] { true, false })
1793		for (boolean fFirst : new boolean[] { true, false })
1794		for (Integer v1 : new Integer[] { 1, null })
1795	+	for (Integer v2 : new Integer[] { 2, null })
1796		{
1797		final CompletableFuture<Integer> f = new CompletableFuture<>();
1798		final CompletableFuture<Integer> g = new CompletableFuture<>();
1799	<	final SubtractFunction r = new SubtractFunction(m);
1800	<
1801	<	(fFirst ? f : g).complete(v1);
1802	<	if (!createIncomplete)
1803	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1804	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1805	<	if (createIncomplete) {
1806	<	checkIncomplete(h);
1807	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1808	<	}
1809	<
1810	<	checkCompletedWithWrappedCancellationException(h);
1811	<	checkCancelled(!fFirst ? f : g);
1812	<	assertEquals(0, r.invocationCount);
1813	<	checkCompletedNormally(fFirst ? f : g, v1);
1799	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1800	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1801	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1802	>
1803	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1804	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1805	>	final Integer w1 =  fFirst ? v1 : v2;
1806	>	final Integer w2 = !fFirst ? v1 : v2;
1807	>
1808	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1809	>	assertTrue(fst.complete(w1));
1810	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1811	>	assertTrue(snd.complete(w2));
1812	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1813	>
1814	>	checkCompletedWithWrappedException(h1, r1.ex);
1815	>	checkCompletedWithWrappedException(h2, r2.ex);
1816	>	checkCompletedWithWrappedException(h3, r3.ex);
1817	>	r1.assertInvoked();
1818	>	r2.assertInvoked();
1819	>	r3.assertInvoked();
1820	>	checkCompletedNormally(f, v1);
1821	>	checkCompletedNormally(g, v2);
1822		}}
1823
1824		/**
#	Line 1438 | Line 1827 | public class CompletableFutureTest exten
1827		*/
1828		public void testThenAcceptBoth_normalCompletion() {
1829		for (ExecutionMode m : ExecutionMode.values())
1441	–	for (boolean createIncomplete : new boolean[] { true, false })
1830		for (boolean fFirst : new boolean[] { true, false })
1831		for (Integer v1 : new Integer[] { 1, null })
1832		for (Integer v2 : new Integer[] { 2, null })
1833		{
1834		final CompletableFuture<Integer> f = new CompletableFuture<>();
1835		final CompletableFuture<Integer> g = new CompletableFuture<>();
1836	<	final SubtractAction r = new SubtractAction(m);
1837	<
1838	<	if (fFirst) f.complete(v1); else g.complete(v2);
1839	<	if (!createIncomplete)
1840	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1841	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1842	<	if (createIncomplete) {
1843	<	checkIncomplete(h);
1844	<	assertEquals(0, r.invocationCount);
1845	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1846	<	}
1847	<
1848	<	checkCompletedNormally(h, null);
1849	<	assertEquals(subtract(v1, v2), r.value);
1836	>	final SubtractAction r1 = new SubtractAction(m);
1837	>	final SubtractAction r2 = new SubtractAction(m);
1838	>	final SubtractAction r3 = new SubtractAction(m);
1839	>
1840	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1841	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1842	>	final Integer w1 =  fFirst ? v1 : v2;
1843	>	final Integer w2 = !fFirst ? v1 : v2;
1844	>
1845	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1846	>	assertTrue(fst.complete(w1));
1847	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1848	>	checkIncomplete(h1);
1849	>	checkIncomplete(h2);
1850	>	r1.assertNotInvoked();
1851	>	r2.assertNotInvoked();
1852	>	assertTrue(snd.complete(w2));
1853	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1854	>
1855	>	checkCompletedNormally(h1, null);
1856	>	checkCompletedNormally(h2, null);
1857	>	checkCompletedNormally(h3, null);
1858	>	r1.assertValue(subtract(v1, v2));
1859	>	r2.assertValue(subtract(v1, v2));
1860	>	r3.assertValue(subtract(v1, v2));
1861		checkCompletedNormally(f, v1);
1862		checkCompletedNormally(g, v2);
1863		}}
#	Line 1467 | Line 1866 | public class CompletableFutureTest exten
1866		* thenAcceptBoth result completes exceptionally after exceptional
1867		* completion of either source
1868		*/
1869	<	public void testThenAcceptBoth_exceptionalCompletion() {
1869	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1870		for (ExecutionMode m : ExecutionMode.values())
1472	–	for (boolean createIncomplete : new boolean[] { true, false })
1871		for (boolean fFirst : new boolean[] { true, false })
1872	+	for (boolean failFirst : new boolean[] { true, false })
1873		for (Integer v1 : new Integer[] { 1, null })
1874		{
1875		final CompletableFuture<Integer> f = new CompletableFuture<>();
1876		final CompletableFuture<Integer> g = new CompletableFuture<>();
1877		final CFException ex = new CFException();
1878	<	final SubtractAction r = new SubtractAction(m);
1879	<
1880	<	(fFirst ? f : g).complete(v1);
1881	<	if (!createIncomplete)
1882	<	(!fFirst ? f : g).completeExceptionally(ex);
1883	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1884	<	if (createIncomplete) {
1885	<	checkIncomplete(h);
1886	<	(!fFirst ? f : g).completeExceptionally(ex);
1887	<	}
1888	<
1889	<	checkCompletedWithWrappedCFException(h, ex);
1890	<	assertEquals(0, r.invocationCount);
1891	<	checkCompletedNormally(fFirst ? f : g, v1);
1892	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1878	>	final SubtractAction r1 = new SubtractAction(m);
1879	>	final SubtractAction r2 = new SubtractAction(m);
1880	>	final SubtractAction r3 = new SubtractAction(m);
1881	>
1882	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1883	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1884	>	final Callable<Boolean> complete1 = failFirst ?
1885	>	() -> fst.completeExceptionally(ex) :
1886	>	() -> fst.complete(v1);
1887	>	final Callable<Boolean> complete2 = failFirst ?
1888	>	() -> snd.complete(v1) :
1889	>	() -> snd.completeExceptionally(ex);
1890	>
1891	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1892	>	assertTrue(complete1.call());
1893	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1894	>	checkIncomplete(h1);
1895	>	checkIncomplete(h2);
1896	>	assertTrue(complete2.call());
1897	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1898	>
1899	>	checkCompletedWithWrappedException(h1, ex);
1900	>	checkCompletedWithWrappedException(h2, ex);
1901	>	checkCompletedWithWrappedException(h3, ex);
1902	>	r1.assertNotInvoked();
1903	>	r2.assertNotInvoked();
1904	>	r3.assertNotInvoked();
1905	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1906	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1907		}}
1908
1909		/**
1910	<	* thenAcceptBoth result completes exceptionally if action does
1910	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1911		*/
1912	<	public void testThenAcceptBoth_actionFailed() {
1912	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1913		for (ExecutionMode m : ExecutionMode.values())
1914	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1915		for (boolean fFirst : new boolean[] { true, false })
1916	+	for (boolean failFirst : new boolean[] { true, false })
1917		for (Integer v1 : new Integer[] { 1, null })
1503	–	for (Integer v2 : new Integer[] { 2, null })
1918		{
1919		final CompletableFuture<Integer> f = new CompletableFuture<>();
1920		final CompletableFuture<Integer> g = new CompletableFuture<>();
1921	<	final FailingBiConsumer r = new FailingBiConsumer(m);
1922	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1923	<
1924	<	if (fFirst) {
1925	<	f.complete(v1);
1926	<	g.complete(v2);
1927	<	} else {
1928	<	g.complete(v2);
1929	<	f.complete(v1);
1930	<	}
1931	<
1932	<	checkCompletedWithWrappedCFException(h);
1933	<	checkCompletedNormally(f, v1);
1934	<	checkCompletedNormally(g, v2);
1921	>	final SubtractAction r1 = new SubtractAction(m);
1922	>	final SubtractAction r2 = new SubtractAction(m);
1923	>	final SubtractAction r3 = new SubtractAction(m);
1924	>
1925	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1926	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1927	>	final Callable<Boolean> complete1 = failFirst ?
1928	>	() -> fst.cancel(mayInterruptIfRunning) :
1929	>	() -> fst.complete(v1);
1930	>	final Callable<Boolean> complete2 = failFirst ?
1931	>	() -> snd.complete(v1) :
1932	>	() -> snd.cancel(mayInterruptIfRunning);
1933	>
1934	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1935	>	assertTrue(complete1.call());
1936	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1937	>	checkIncomplete(h1);
1938	>	checkIncomplete(h2);
1939	>	assertTrue(complete2.call());
1940	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1941	>
1942	>	checkCompletedWithWrappedCancellationException(h1);
1943	>	checkCompletedWithWrappedCancellationException(h2);
1944	>	checkCompletedWithWrappedCancellationException(h3);
1945	>	r1.assertNotInvoked();
1946	>	r2.assertNotInvoked();
1947	>	r3.assertNotInvoked();
1948	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1949	>	checkCancelled(failFirst ? fst : snd);
1950		}}
1951
1952		/**
1953	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1953	>	* thenAcceptBoth result completes exceptionally if action does
1954		*/
1955	<	public void testThenAcceptBoth_sourceCancelled() {
1955	>	public void testThenAcceptBoth_actionFailed() {
1956		for (ExecutionMode m : ExecutionMode.values())
1528	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1529	–	for (boolean createIncomplete : new boolean[] { true, false })
1957		for (boolean fFirst : new boolean[] { true, false })
1958		for (Integer v1 : new Integer[] { 1, null })
1959	+	for (Integer v2 : new Integer[] { 2, null })
1960		{
1961		final CompletableFuture<Integer> f = new CompletableFuture<>();
1962		final CompletableFuture<Integer> g = new CompletableFuture<>();
1963	<	final SubtractAction r = new SubtractAction(m);
1964	<
1965	<	(fFirst ? f : g).complete(v1);
1966	<	if (!createIncomplete)
1967	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1968	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1969	<	if (createIncomplete) {
1970	<	checkIncomplete(h);
1971	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1972	<	}
1973	<
1974	<	checkCompletedWithWrappedCancellationException(h);
1975	<	checkCancelled(!fFirst ? f : g);
1976	<	assertEquals(0, r.invocationCount);
1977	<	checkCompletedNormally(fFirst ? f : g, v1);
1963	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1964	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1965	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1966	>
1967	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1968	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1969	>	final Integer w1 =  fFirst ? v1 : v2;
1970	>	final Integer w2 = !fFirst ? v1 : v2;
1971	>
1972	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1973	>	assertTrue(fst.complete(w1));
1974	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1975	>	assertTrue(snd.complete(w2));
1976	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1977	>
1978	>	checkCompletedWithWrappedException(h1, r1.ex);
1979	>	checkCompletedWithWrappedException(h2, r2.ex);
1980	>	checkCompletedWithWrappedException(h3, r3.ex);
1981	>	r1.assertInvoked();
1982	>	r2.assertInvoked();
1983	>	r3.assertInvoked();
1984	>	checkCompletedNormally(f, v1);
1985	>	checkCompletedNormally(g, v2);
1986		}}
1987
1988		/**
#	Line 1555 | Line 1991 | public class CompletableFutureTest exten
1991		*/
1992		public void testRunAfterBoth_normalCompletion() {
1993		for (ExecutionMode m : ExecutionMode.values())
1558	–	for (boolean createIncomplete : new boolean[] { true, false })
1994		for (boolean fFirst : new boolean[] { true, false })
1995		for (Integer v1 : new Integer[] { 1, null })
1996		for (Integer v2 : new Integer[] { 2, null })
1997		{
1998		final CompletableFuture<Integer> f = new CompletableFuture<>();
1999		final CompletableFuture<Integer> g = new CompletableFuture<>();
2000	<	final Noop r = new Noop(m);
2001	<
2002	<	if (fFirst) f.complete(v1); else g.complete(v2);
2003	<	if (!createIncomplete)
2004	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2005	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2006	<	if (createIncomplete) {
2007	<	checkIncomplete(h);
2008	<	assertEquals(0, r.invocationCount);
2009	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2010	<	}
2011	<
2012	<	checkCompletedNormally(h, null);
2013	<	assertEquals(1, r.invocationCount);
2000	>	final Noop r1 = new Noop(m);
2001	>	final Noop r2 = new Noop(m);
2002	>	final Noop r3 = new Noop(m);
2003	>
2004	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2005	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2006	>	final Integer w1 =  fFirst ? v1 : v2;
2007	>	final Integer w2 = !fFirst ? v1 : v2;
2008	>
2009	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2010	>	assertTrue(fst.complete(w1));
2011	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2012	>	checkIncomplete(h1);
2013	>	checkIncomplete(h2);
2014	>	r1.assertNotInvoked();
2015	>	r2.assertNotInvoked();
2016	>	assertTrue(snd.complete(w2));
2017	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2018	>
2019	>	checkCompletedNormally(h1, null);
2020	>	checkCompletedNormally(h2, null);
2021	>	checkCompletedNormally(h3, null);
2022	>	r1.assertInvoked();
2023	>	r2.assertInvoked();
2024	>	r3.assertInvoked();
2025		checkCompletedNormally(f, v1);
2026		checkCompletedNormally(g, v2);
2027		}}
#	Line 1584 | Line 2030 | public class CompletableFutureTest exten
2030		* runAfterBoth result completes exceptionally after exceptional
2031		* completion of either source
2032		*/
2033	<	public void testRunAfterBoth_exceptionalCompletion() {
2033	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2034		for (ExecutionMode m : ExecutionMode.values())
1589	–	for (boolean createIncomplete : new boolean[] { true, false })
2035		for (boolean fFirst : new boolean[] { true, false })
2036	+	for (boolean failFirst : new boolean[] { true, false })
2037		for (Integer v1 : new Integer[] { 1, null })
2038		{
2039		final CompletableFuture<Integer> f = new CompletableFuture<>();
2040		final CompletableFuture<Integer> g = new CompletableFuture<>();
2041		final CFException ex = new CFException();
2042	<	final Noop r = new Noop(m);
2043	<
2044	<	(fFirst ? f : g).complete(v1);
2045	<	if (!createIncomplete)
2046	<	(!fFirst ? f : g).completeExceptionally(ex);
2047	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2048	<	if (createIncomplete) {
2049	<	checkIncomplete(h);
2050	<	(!fFirst ? f : g).completeExceptionally(ex);
2051	<	}
2052	<
2053	<	checkCompletedWithWrappedCFException(h, ex);
2054	<	assertEquals(0, r.invocationCount);
2055	<	checkCompletedNormally(fFirst ? f : g, v1);
2056	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
2057	<	}}
2058	<
2059	<	/**
2060	<	* runAfterBoth result completes exceptionally if action does
2061	<	*/
2062	<	public void testRunAfterBoth_actionFailed() {
2063	<	for (ExecutionMode m : ExecutionMode.values())
2064	<	for (boolean fFirst : new boolean[] { true, false })
2065	<	for (Integer v1 : new Integer[] { 1, null })
2066	<	for (Integer v2 : new Integer[] { 2, null })
2067	<	{
2068	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2069	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2070	<	final FailingRunnable r = new FailingRunnable(m);
1625	<
1626	<	CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r);
1627	<	if (fFirst) {
1628	<	f.complete(v1);
1629	<	g.complete(v2);
1630	<	} else {
1631	<	g.complete(v2);
1632	<	f.complete(v1);
1633	<	}
1634	<	CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r);
1635	<
1636	<	checkCompletedWithWrappedCFException(h1);
1637	<	checkCompletedWithWrappedCFException(h2);
1638	<	checkCompletedNormally(f, v1);
1639	<	checkCompletedNormally(g, v2);
2042	>	final Noop r1 = new Noop(m);
2043	>	final Noop r2 = new Noop(m);
2044	>	final Noop r3 = new Noop(m);
2045	>
2046	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2047	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2048	>	final Callable<Boolean> complete1 = failFirst ?
2049	>	() -> fst.completeExceptionally(ex) :
2050	>	() -> fst.complete(v1);
2051	>	final Callable<Boolean> complete2 = failFirst ?
2052	>	() -> snd.complete(v1) :
2053	>	() -> snd.completeExceptionally(ex);
2054	>
2055	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2056	>	assertTrue(complete1.call());
2057	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2058	>	checkIncomplete(h1);
2059	>	checkIncomplete(h2);
2060	>	assertTrue(complete2.call());
2061	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2062	>
2063	>	checkCompletedWithWrappedException(h1, ex);
2064	>	checkCompletedWithWrappedException(h2, ex);
2065	>	checkCompletedWithWrappedException(h3, ex);
2066	>	r1.assertNotInvoked();
2067	>	r2.assertNotInvoked();
2068	>	r3.assertNotInvoked();
2069	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2070	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2071		}}
2072
2073		/**
2074		* runAfterBoth result completes exceptionally if either source cancelled
2075		*/
2076	<	public void testRunAfterBoth_sourceCancelled() {
2076	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2077		for (ExecutionMode m : ExecutionMode.values())
2078		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1648	–	for (boolean createIncomplete : new boolean[] { true, false })
2079		for (boolean fFirst : new boolean[] { true, false })
2080	+	for (boolean failFirst : new boolean[] { true, false })
2081		for (Integer v1 : new Integer[] { 1, null })
2082		{
2083		final CompletableFuture<Integer> f = new CompletableFuture<>();
2084		final CompletableFuture<Integer> g = new CompletableFuture<>();
2085	<	final Noop r = new Noop(m);
2086	<
2087	<
2088	<	(fFirst ? f : g).complete(v1);
2089	<	if (!createIncomplete)
2090	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2091	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2092	<	if (createIncomplete) {
2093	<	checkIncomplete(h);
2094	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2095	<	}
2096	<
2097	<	checkCompletedWithWrappedCancellationException(h);
2098	<	checkCancelled(!fFirst ? f : g);
2099	<	assertEquals(0, r.invocationCount);
2100	<	checkCompletedNormally(fFirst ? f : g, v1);
2085	>	final Noop r1 = new Noop(m);
2086	>	final Noop r2 = new Noop(m);
2087	>	final Noop r3 = new Noop(m);
2088	>
2089	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2090	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2091	>	final Callable<Boolean> complete1 = failFirst ?
2092	>	() -> fst.cancel(mayInterruptIfRunning) :
2093	>	() -> fst.complete(v1);
2094	>	final Callable<Boolean> complete2 = failFirst ?
2095	>	() -> snd.complete(v1) :
2096	>	() -> snd.cancel(mayInterruptIfRunning);
2097	>
2098	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2099	>	assertTrue(complete1.call());
2100	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2101	>	checkIncomplete(h1);
2102	>	checkIncomplete(h2);
2103	>	assertTrue(complete2.call());
2104	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2105	>
2106	>	checkCompletedWithWrappedCancellationException(h1);
2107	>	checkCompletedWithWrappedCancellationException(h2);
2108	>	checkCompletedWithWrappedCancellationException(h3);
2109	>	r1.assertNotInvoked();
2110	>	r2.assertNotInvoked();
2111	>	r3.assertNotInvoked();
2112	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2113	>	checkCancelled(failFirst ? fst : snd);
2114		}}
2115
2116		/**
2117	<	* applyToEither result completes normally after normal completion
1674	<	* of either source
2117	>	* runAfterBoth result completes exceptionally if action does
2118		*/
2119	<	public void testApplyToEither_normalCompletion() {
2119	>	public void testRunAfterBoth_actionFailed() {
2120		for (ExecutionMode m : ExecutionMode.values())
1678	–	for (boolean createIncomplete : new boolean[] { true, false })
2121		for (boolean fFirst : new boolean[] { true, false })
2122		for (Integer v1 : new Integer[] { 1, null })
2123		for (Integer v2 : new Integer[] { 2, null })
2124		{
2125		final CompletableFuture<Integer> f = new CompletableFuture<>();
2126		final CompletableFuture<Integer> g = new CompletableFuture<>();
2127	<	final IncFunction r = new IncFunction(m);
2128	<
2129	<	if (!createIncomplete)
2130	<	if (fFirst) f.complete(v1); else g.complete(v2);
2131	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2132	<	if (createIncomplete) {
2133	<	checkIncomplete(h);
2134	<	assertEquals(0, r.invocationCount);
2135	<	if (fFirst) f.complete(v1); else g.complete(v2);
2136	<	}
2137	<	checkCompletedNormally(h, inc(fFirst ? v1 : v2));
2138	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2139	<
2127	>	final FailingRunnable r1 = new FailingRunnable(m);
2128	>	final FailingRunnable r2 = new FailingRunnable(m);
2129	>	final FailingRunnable r3 = new FailingRunnable(m);
2130	>
2131	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2132	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2133	>	final Integer w1 =  fFirst ? v1 : v2;
2134	>	final Integer w2 = !fFirst ? v1 : v2;
2135	>
2136	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2137	>	assertTrue(fst.complete(w1));
2138	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2139	>	assertTrue(snd.complete(w2));
2140	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2141	>
2142	>	checkCompletedWithWrappedException(h1, r1.ex);
2143	>	checkCompletedWithWrappedException(h2, r2.ex);
2144	>	checkCompletedWithWrappedException(h3, r3.ex);
2145	>	r1.assertInvoked();
2146	>	r2.assertInvoked();
2147	>	r3.assertInvoked();
2148		checkCompletedNormally(f, v1);
2149		checkCompletedNormally(g, v2);
1700	–	checkCompletedNormally(h, inc(fFirst ? v1 : v2));
2150		}}
2151
2152	<	public void testApplyToEither_normalCompletionBothAvailable() {
2152	>	/**
2153	>	* applyToEither result completes normally after normal completion
2154	>	* of either source
2155	>	*/
2156	>	public void testApplyToEither_normalCompletion() {
2157		for (ExecutionMode m : ExecutionMode.values())
1705	–	for (boolean fFirst : new boolean[] { true, false })
2158		for (Integer v1 : new Integer[] { 1, null })
2159		for (Integer v2 : new Integer[] { 2, null })
2160		{
2161		final CompletableFuture<Integer> f = new CompletableFuture<>();
2162		final CompletableFuture<Integer> g = new CompletableFuture<>();
2163	<	final IncFunction r = new IncFunction(m);
2163	>	final IncFunction[] rs = new IncFunction[6];
2164	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2165
2166	<	if (fFirst) {
2167	<	f.complete(v1);
2168	<	g.complete(v2);
2169	<	} else {
2170	<	g.complete(v2);
2171	<	f.complete(v1);
2172	<	}
2166	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2167	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2168	>	checkIncomplete(h0);
2169	>	checkIncomplete(h1);
2170	>	rs[0].assertNotInvoked();
2171	>	rs[1].assertNotInvoked();
2172	>	f.complete(v1);
2173	>	checkCompletedNormally(h0, inc(v1));
2174	>	checkCompletedNormally(h1, inc(v1));
2175	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2176	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2177	>	checkCompletedNormally(h2, inc(v1));
2178	>	checkCompletedNormally(h3, inc(v1));
2179	>	g.complete(v2);
2180
2181	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2181	>	// unspecified behavior - both source completions available
2182	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2183	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2184	>	rs[4].assertValue(h4.join());
2185	>	rs[5].assertValue(h5.join());
2186	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2187	>	Objects.equals(inc(v2), h4.join()));
2188	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2189	>	Objects.equals(inc(v2), h5.join()));
2190
2191		checkCompletedNormally(f, v1);
2192		checkCompletedNormally(g, v2);
2193	<
2194	<	// unspecified behavior
2195	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2196	<	Objects.equals(h.join(), inc(v2)));
2197	<	assertEquals(1, r.invocationCount);
2193	>	checkCompletedNormally(h0, inc(v1));
2194	>	checkCompletedNormally(h1, inc(v1));
2195	>	checkCompletedNormally(h2, inc(v1));
2196	>	checkCompletedNormally(h3, inc(v1));
2197	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2198		}}
2199
2200		/**
2201		* applyToEither result completes exceptionally after exceptional
2202		* completion of either source
2203		*/
2204	<	public void testApplyToEither_exceptionalCompletion1() {
2204	>	public void testApplyToEither_exceptionalCompletion() {
2205		for (ExecutionMode m : ExecutionMode.values())
1738	–	for (boolean createIncomplete : new boolean[] { true, false })
1739	–	for (boolean fFirst : new boolean[] { true, false })
2206		for (Integer v1 : new Integer[] { 1, null })
2207		{
2208		final CompletableFuture<Integer> f = new CompletableFuture<>();
2209		final CompletableFuture<Integer> g = new CompletableFuture<>();
2210		final CFException ex = new CFException();
2211	<	final IncFunction r = new IncFunction(m);
2211	>	final IncFunction[] rs = new IncFunction[6];
2212	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2213
2214	<	if (!createIncomplete) (fFirst ? f : g).completeExceptionally(ex);
2215	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2216	<	if (createIncomplete) {
2217	<	checkIncomplete(h);
2218	<	assertEquals(0, r.invocationCount);
2219	<	(fFirst ? f : g).completeExceptionally(ex);
2214	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2215	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2216	>	checkIncomplete(h0);
2217	>	checkIncomplete(h1);
2218	>	rs[0].assertNotInvoked();
2219	>	rs[1].assertNotInvoked();
2220	>	f.completeExceptionally(ex);
2221	>	checkCompletedWithWrappedException(h0, ex);
2222	>	checkCompletedWithWrappedException(h1, ex);
2223	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2224	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2225	>	checkCompletedWithWrappedException(h2, ex);
2226	>	checkCompletedWithWrappedException(h3, ex);
2227	>	g.complete(v1);
2228	>
2229	>	// unspecified behavior - both source completions available
2230	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2231	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2232	>	try {
2233	>	assertEquals(inc(v1), h4.join());
2234	>	rs[4].assertValue(inc(v1));
2235	>	} catch (CompletionException ok) {
2236	>	checkCompletedWithWrappedException(h4, ex);
2237	>	rs[4].assertNotInvoked();
2238	>	}
2239	>	try {
2240	>	assertEquals(inc(v1), h5.join());
2241	>	rs[5].assertValue(inc(v1));
2242	>	} catch (CompletionException ok) {
2243	>	checkCompletedWithWrappedException(h5, ex);
2244	>	rs[5].assertNotInvoked();
2245		}
2246
2247	<	checkCompletedWithWrappedCFException(h, ex);
2248	<	(!fFirst ? f : g).complete(v1);
2249	<
2250	<	assertEquals(0, r.invocationCount);
2251	<	checkCompletedNormally(!fFirst ? f : g, v1);
2252	<	checkCompletedWithWrappedCFException(fFirst ? f : g, ex);
2253	<	checkCompletedWithWrappedCFException(h, ex);
2247	>	checkCompletedExceptionally(f, ex);
2248	>	checkCompletedNormally(g, v1);
2249	>	checkCompletedWithWrappedException(h0, ex);
2250	>	checkCompletedWithWrappedException(h1, ex);
2251	>	checkCompletedWithWrappedException(h2, ex);
2252	>	checkCompletedWithWrappedException(h3, ex);
2253	>	checkCompletedWithWrappedException(h4, ex);
2254	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2255		}}
2256
2257		public void testApplyToEither_exceptionalCompletion2() {
2258		for (ExecutionMode m : ExecutionMode.values())
1766	–	for (boolean reverseArgs : new boolean[] { true, false })
2259		for (boolean fFirst : new boolean[] { true, false })
2260		for (Integer v1 : new Integer[] { 1, null })
2261		{
2262		final CompletableFuture<Integer> f = new CompletableFuture<>();
2263		final CompletableFuture<Integer> g = new CompletableFuture<>();
1772	–	final IncFunction r1 = new IncFunction(m);
1773	–	final IncFunction r2 = new IncFunction(m);
2264		final CFException ex = new CFException();
2265	<	final CompletableFuture<Integer> j = (reverseArgs ? g : f);
2266	<	final CompletableFuture<Integer> k = (reverseArgs ? f : g);
2267	<	final CompletableFuture<Integer> h1 = m.applyToEither(j, k, r1);
2268	<	if (fFirst) {
2269	<	f.complete(v1);
2270	<	g.completeExceptionally(ex);
2271	<	} else {
2272	<	g.completeExceptionally(ex);
2273	<	f.complete(v1);
1784	<	}
1785	<	final CompletableFuture<Integer> h2 = m.applyToEither(j, k, r2);
2265	>	final IncFunction[] rs = new IncFunction[6];
2266	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2267	>
2268	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2269	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2270	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2271	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2272	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2273	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2274
2275	<	// unspecified behavior
2275	>	// unspecified behavior - both source completions available
2276	>	try {
2277	>	assertEquals(inc(v1), h0.join());
2278	>	rs[0].assertValue(inc(v1));
2279	>	} catch (CompletionException ok) {
2280	>	checkCompletedWithWrappedException(h0, ex);
2281	>	rs[0].assertNotInvoked();
2282	>	}
2283		try {
2284		assertEquals(inc(v1), h1.join());
2285	<	assertEquals(1, r1.invocationCount);
2285	>	rs[1].assertValue(inc(v1));
2286		} catch (CompletionException ok) {
2287	<	checkCompletedWithWrappedCFException(h1, ex);
2288	<	assertEquals(0, r1.invocationCount);
2287	>	checkCompletedWithWrappedException(h1, ex);
2288	>	rs[1].assertNotInvoked();
2289		}
1795	–
2290		try {
2291		assertEquals(inc(v1), h2.join());
2292	<	assertEquals(1, r2.invocationCount);
2292	>	rs[2].assertValue(inc(v1));
2293		} catch (CompletionException ok) {
2294	<	checkCompletedWithWrappedCFException(h2, ex);
2295	<	assertEquals(0, r2.invocationCount);
2294	>	checkCompletedWithWrappedException(h2, ex);
2295	>	rs[2].assertNotInvoked();
2296	>	}
2297	>	try {
2298	>	assertEquals(inc(v1), h3.join());
2299	>	rs[3].assertValue(inc(v1));
2300	>	} catch (CompletionException ok) {
2301	>	checkCompletedWithWrappedException(h3, ex);
2302	>	rs[3].assertNotInvoked();
2303		}
2304
1804	–	checkCompletedWithWrappedCFException(g, ex);
1805	–	checkCompletedNormally(f, v1);
1806	–	}}
1807	–
1808	–	/**
1809	–	* applyToEither result completes exceptionally if action does
1810	–	*/
1811	–	public void testApplyToEither_actionFailed1() {
1812	–	for (ExecutionMode m : ExecutionMode.values())
1813	–	for (Integer v1 : new Integer[] { 1, null })
1814	–	for (Integer v2 : new Integer[] { 2, null })
1815	–	{
1816	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1817	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1818	–	final FailingFunction r = new FailingFunction(m);
1819	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1820	–
1821	–	f.complete(v1);
1822	–	checkCompletedWithWrappedCFException(h);
1823	–	g.complete(v2);
1824	–	checkCompletedNormally(f, v1);
1825	–	checkCompletedNormally(g, v2);
1826	–	}}
1827	–
1828	–	public void testApplyToEither_actionFailed2() {
1829	–	for (ExecutionMode m : ExecutionMode.values())
1830	–	for (Integer v1 : new Integer[] { 1, null })
1831	–	for (Integer v2 : new Integer[] { 2, null })
1832	–	{
1833	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1834	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1835	–	final FailingFunction r = new FailingFunction(m);
1836	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1837	–
1838	–	g.complete(v2);
1839	–	checkCompletedWithWrappedCFException(h);
1840	–	f.complete(v1);
2305		checkCompletedNormally(f, v1);
2306	<	checkCompletedNormally(g, v2);
2306	>	checkCompletedExceptionally(g, ex);
2307		}}
2308
2309		/**
2310		* applyToEither result completes exceptionally if either source cancelled
2311		*/
2312	<	public void testApplyToEither_sourceCancelled1() {
2312	>	public void testApplyToEither_sourceCancelled() {
2313		for (ExecutionMode m : ExecutionMode.values())
2314		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1851	–	for (boolean createIncomplete : new boolean[] { true, false })
1852	–	for (boolean fFirst : new boolean[] { true, false })
2315		for (Integer v1 : new Integer[] { 1, null })
2316		{
2317		final CompletableFuture<Integer> f = new CompletableFuture<>();
2318		final CompletableFuture<Integer> g = new CompletableFuture<>();
2319	<	final IncFunction r = new IncFunction(m);
2319	>	final IncFunction[] rs = new IncFunction[6];
2320	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2321
2322	<	if (!createIncomplete) assertTrue((fFirst ? f : g).cancel(mayInterruptIfRunning));
2323	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2324	<	if (createIncomplete) {
2325	<	checkIncomplete(h);
2326	<	assertEquals(0, r.invocationCount);
2327	<	assertTrue((fFirst ? f : g).cancel(mayInterruptIfRunning));
2322	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2323	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2324	>	checkIncomplete(h0);
2325	>	checkIncomplete(h1);
2326	>	rs[0].assertNotInvoked();
2327	>	rs[1].assertNotInvoked();
2328	>	f.cancel(mayInterruptIfRunning);
2329	>	checkCompletedWithWrappedCancellationException(h0);
2330	>	checkCompletedWithWrappedCancellationException(h1);
2331	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2332	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2333	>	checkCompletedWithWrappedCancellationException(h2);
2334	>	checkCompletedWithWrappedCancellationException(h3);
2335	>	g.complete(v1);
2336	>
2337	>	// unspecified behavior - both source completions available
2338	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2339	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2340	>	try {
2341	>	assertEquals(inc(v1), h4.join());
2342	>	rs[4].assertValue(inc(v1));
2343	>	} catch (CompletionException ok) {
2344	>	checkCompletedWithWrappedCancellationException(h4);
2345	>	rs[4].assertNotInvoked();
2346	>	}
2347	>	try {
2348	>	assertEquals(inc(v1), h5.join());
2349	>	rs[5].assertValue(inc(v1));
2350	>	} catch (CompletionException ok) {
2351	>	checkCompletedWithWrappedCancellationException(h5);
2352	>	rs[5].assertNotInvoked();
2353		}
2354
2355	<	checkCompletedWithWrappedCancellationException(h);
2356	<	(!fFirst ? f : g).complete(v1);
2357	<
2358	<	assertEquals(0, r.invocationCount);
2359	<	checkCompletedNormally(!fFirst ? f : g, v1);
2360	<	checkCancelled(fFirst ? f : g);
2361	<	checkCompletedWithWrappedCancellationException(h);
2355	>	checkCancelled(f);
2356	>	checkCompletedNormally(g, v1);
2357	>	checkCompletedWithWrappedCancellationException(h0);
2358	>	checkCompletedWithWrappedCancellationException(h1);
2359	>	checkCompletedWithWrappedCancellationException(h2);
2360	>	checkCompletedWithWrappedCancellationException(h3);
2361	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2362		}}
2363
2364		public void testApplyToEither_sourceCancelled2() {
2365		for (ExecutionMode m : ExecutionMode.values())
2366		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1879	–	for (boolean reverseArgs : new boolean[] { true, false })
2367		for (boolean fFirst : new boolean[] { true, false })
2368		for (Integer v1 : new Integer[] { 1, null })
2369		{
2370		final CompletableFuture<Integer> f = new CompletableFuture<>();
2371		final CompletableFuture<Integer> g = new CompletableFuture<>();
2372	<	final IncFunction r1 = new IncFunction(m);
2373	<	final IncFunction r2 = new IncFunction(m);
1887	<	final CFException ex = new CFException();
1888	<	final CompletableFuture<Integer> j = (reverseArgs ? g : f);
1889	<	final CompletableFuture<Integer> k = (reverseArgs ? f : g);
2372	>	final IncFunction[] rs = new IncFunction[6];
2373	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2374
2375	<	final CompletableFuture<Integer> h1 = m.applyToEither(j, k, r1);
2376	<	if (fFirst) {
2377	<	f.complete(v1);
2378	<	assertTrue(g.cancel(mayInterruptIfRunning));
2379	<	} else {
2380	<	assertTrue(g.cancel(mayInterruptIfRunning));
1897	<	f.complete(v1);
1898	<	}
1899	<	final CompletableFuture<Integer> h2 = m.applyToEither(j, k, r2);
2375	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2376	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2377	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2378	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2379	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2380	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2381
2382	<	// unspecified behavior
2382	>	// unspecified behavior - both source completions available
2383	>	try {
2384	>	assertEquals(inc(v1), h0.join());
2385	>	rs[0].assertValue(inc(v1));
2386	>	} catch (CompletionException ok) {
2387	>	checkCompletedWithWrappedCancellationException(h0);
2388	>	rs[0].assertNotInvoked();
2389	>	}
2390		try {
2391		assertEquals(inc(v1), h1.join());
2392	<	assertEquals(1, r1.invocationCount);
2392	>	rs[1].assertValue(inc(v1));
2393		} catch (CompletionException ok) {
2394		checkCompletedWithWrappedCancellationException(h1);
2395	<	assertEquals(0, r1.invocationCount);
2395	>	rs[1].assertNotInvoked();
2396		}
1909	–
2397		try {
2398		assertEquals(inc(v1), h2.join());
2399	<	assertEquals(1, r2.invocationCount);
2399	>	rs[2].assertValue(inc(v1));
2400		} catch (CompletionException ok) {
2401		checkCompletedWithWrappedCancellationException(h2);
2402	<	assertEquals(0, r2.invocationCount);
2402	>	rs[2].assertNotInvoked();
2403	>	}
2404	>	try {
2405	>	assertEquals(inc(v1), h3.join());
2406	>	rs[3].assertValue(inc(v1));
2407	>	} catch (CompletionException ok) {
2408	>	checkCompletedWithWrappedCancellationException(h3);
2409	>	rs[3].assertNotInvoked();
2410		}
2411
1918	–	checkCancelled(g);
2412		checkCompletedNormally(f, v1);
2413	+	checkCancelled(g);
2414		}}
2415
2416		/**
2417	<	* acceptEither result completes normally after normal completion
1924	<	* of either source
2417	>	* applyToEither result completes exceptionally if action does
2418		*/
2419	<	public void testAcceptEither_normalCompletion1() {
2419	>	public void testApplyToEither_actionFailed() {
2420		for (ExecutionMode m : ExecutionMode.values())
2421		for (Integer v1 : new Integer[] { 1, null })
2422		for (Integer v2 : new Integer[] { 2, null })
2423		{
2424		final CompletableFuture<Integer> f = new CompletableFuture<>();
2425		final CompletableFuture<Integer> g = new CompletableFuture<>();
2426	<	final IncAction r = new IncAction();
2427	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2426	>	final FailingFunction[] rs = new FailingFunction[6];
2427	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2428
2429	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2430	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2431		f.complete(v1);
2432	<	checkCompletedNormally(h, null);
2433	<	assertEquals(inc(v1), r.value);
2434	<	g.complete(v2);
2435	<
2436	<	checkCompletedNormally(f, v1);
2437	<	checkCompletedNormally(g, v2);
2438	<	checkCompletedNormally(h, null);
1944	<	}}
1945	<
1946	<	public void testAcceptEither_normalCompletion2() {
1947	<	for (ExecutionMode m : ExecutionMode.values())
1948	<	for (Integer v1 : new Integer[] { 1, null })
1949	<	for (Integer v2 : new Integer[] { 2, null })
1950	<	{
1951	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1952	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1953	<	final IncAction r = new IncAction();
1954	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2432	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2433	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2434	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2435	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2436	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2437	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2438	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2439
2440		g.complete(v2);
2441	<	checkCompletedNormally(h, null);
2442	<	assertEquals(inc(v2), r.value);
2443	<	f.complete(v1);
2441	>
2442	>	// unspecified behavior - both source completions available
2443	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2444	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2445	>
2446	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2447	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2448	>	Objects.equals(v2, rs[4].value));
2449	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2450	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2451	>	Objects.equals(v2, rs[5].value));
2452
2453		checkCompletedNormally(f, v1);
2454		checkCompletedNormally(g, v2);
1963	–	checkCompletedNormally(h, null);
2455		}}
2456
2457	<	public void testAcceptEither_normalCompletion3() {
2457	>	/**
2458	>	* acceptEither result completes normally after normal completion
2459	>	* of either source
2460	>	*/
2461	>	public void testAcceptEither_normalCompletion() {
2462		for (ExecutionMode m : ExecutionMode.values())
2463		for (Integer v1 : new Integer[] { 1, null })
2464		for (Integer v2 : new Integer[] { 2, null })
2465		{
2466		final CompletableFuture<Integer> f = new CompletableFuture<>();
2467		final CompletableFuture<Integer> g = new CompletableFuture<>();
2468	<	final IncAction r = new IncAction();
2468	>	final NoopConsumer[] rs = new NoopConsumer[6];
2469	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2470
2471	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2472	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2473	+	checkIncomplete(h0);
2474	+	checkIncomplete(h1);
2475	+	rs[0].assertNotInvoked();
2476	+	rs[1].assertNotInvoked();
2477		f.complete(v1);
2478	+	checkCompletedNormally(h0, null);
2479	+	checkCompletedNormally(h1, null);
2480	+	rs[0].assertValue(v1);
2481	+	rs[1].assertValue(v1);
2482	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2483	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2484	+	checkCompletedNormally(h2, null);
2485	+	checkCompletedNormally(h3, null);
2486	+	rs[2].assertValue(v1);
2487	+	rs[3].assertValue(v1);
2488		g.complete(v2);
1977	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2489
2490	<	checkCompletedNormally(h, null);
2490	>	// unspecified behavior - both source completions available
2491	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2492	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2493	>	checkCompletedNormally(h4, null);
2494	>	checkCompletedNormally(h5, null);
2495	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2496	>	Objects.equals(v2, rs[4].value));
2497	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2498	>	Objects.equals(v2, rs[5].value));
2499	>
2500		checkCompletedNormally(f, v1);
2501		checkCompletedNormally(g, v2);
2502	<
2503	<	// unspecified behavior
2504	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2505	<	Objects.equals(r.value, inc(v2)));
2502	>	checkCompletedNormally(h0, null);
2503	>	checkCompletedNormally(h1, null);
2504	>	checkCompletedNormally(h2, null);
2505	>	checkCompletedNormally(h3, null);
2506	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2507		}}
2508
2509		/**
2510		* acceptEither result completes exceptionally after exceptional
2511		* completion of either source
2512		*/
2513	<	public void testAcceptEither_exceptionalCompletion1() {
2513	>	public void testAcceptEither_exceptionalCompletion() {
2514		for (ExecutionMode m : ExecutionMode.values())
2515		for (Integer v1 : new Integer[] { 1, null })
2516		{
2517		final CompletableFuture<Integer> f = new CompletableFuture<>();
2518		final CompletableFuture<Integer> g = new CompletableFuture<>();
1998	–	final IncAction r = new IncAction();
1999	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2519		final CFException ex = new CFException();
2520	+	final NoopConsumer[] rs = new NoopConsumer[6];
2521	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2522
2523	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2524	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2525	+	checkIncomplete(h0);
2526	+	checkIncomplete(h1);
2527	+	rs[0].assertNotInvoked();
2528	+	rs[1].assertNotInvoked();
2529		f.completeExceptionally(ex);
2530	<	checkCompletedWithWrappedCFException(h, ex);
2530	>	checkCompletedWithWrappedException(h0, ex);
2531	>	checkCompletedWithWrappedException(h1, ex);
2532	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2533	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2534	>	checkCompletedWithWrappedException(h2, ex);
2535	>	checkCompletedWithWrappedException(h3, ex);
2536	>
2537		g.complete(v1);
2538
2539	<	assertEquals(0, r.invocationCount);
2539	>	// unspecified behavior - both source completions available
2540	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2541	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2542	>	try {
2543	>	assertNull(h4.join());
2544	>	rs[4].assertValue(v1);
2545	>	} catch (CompletionException ok) {
2546	>	checkCompletedWithWrappedException(h4, ex);
2547	>	rs[4].assertNotInvoked();
2548	>	}
2549	>	try {
2550	>	assertNull(h5.join());
2551	>	rs[5].assertValue(v1);
2552	>	} catch (CompletionException ok) {
2553	>	checkCompletedWithWrappedException(h5, ex);
2554	>	rs[5].assertNotInvoked();
2555	>	}
2556	>
2557	>	checkCompletedExceptionally(f, ex);
2558		checkCompletedNormally(g, v1);
2559	<	checkCompletedWithWrappedCFException(f, ex);
2560	<	checkCompletedWithWrappedCFException(h, ex);
2559	>	checkCompletedWithWrappedException(h0, ex);
2560	>	checkCompletedWithWrappedException(h1, ex);
2561	>	checkCompletedWithWrappedException(h2, ex);
2562	>	checkCompletedWithWrappedException(h3, ex);
2563	>	checkCompletedWithWrappedException(h4, ex);
2564	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2565		}}
2566
2567		public void testAcceptEither_exceptionalCompletion2() {
2568		for (ExecutionMode m : ExecutionMode.values())
2569	+	for (boolean fFirst : new boolean[] { true, false })
2570		for (Integer v1 : new Integer[] { 1, null })
2571		{
2572		final CompletableFuture<Integer> f = new CompletableFuture<>();
2573		final CompletableFuture<Integer> g = new CompletableFuture<>();
2018	–	final IncAction r = new IncAction();
2019	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2020	–	final CFException ex = new CFException();
2021	–
2022	–	g.completeExceptionally(ex);
2023	–	checkCompletedWithWrappedCFException(h, ex);
2024	–	f.complete(v1);
2025	–
2026	–	assertEquals(0, r.invocationCount);
2027	–	checkCompletedNormally(f, v1);
2028	–	checkCompletedWithWrappedCFException(g, ex);
2029	–	checkCompletedWithWrappedCFException(h, ex);
2030	–	}}
2031	–
2032	–	public void testAcceptEither_exceptionalCompletion3() {
2033	–	for (ExecutionMode m : ExecutionMode.values())
2034	–	for (Integer v1 : new Integer[] { 1, null })
2035	–	{
2036	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2037	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2038	–	final IncAction r = new IncAction();
2574		final CFException ex = new CFException();
2575	+	final NoopConsumer[] rs = new NoopConsumer[6];
2576	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2577
2578	<	g.completeExceptionally(ex);
2579	<	f.complete(v1);
2580	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2578	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2579	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2580	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2581	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2582	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2583	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2584
2585	<	// unspecified behavior
2046	<	Integer v;
2585	>	// unspecified behavior - both source completions available
2586		try {
2587	<	assertNull(h.join());
2588	<	assertEquals(1, r.invocationCount);
2050	<	assertEquals(inc(v1), r.value);
2587	>	assertNull(h0.join());
2588	>	rs[0].assertValue(v1);
2589		} catch (CompletionException ok) {
2590	<	checkCompletedWithWrappedCFException(h, ex);
2591	<	assertEquals(0, r.invocationCount);
2590	>	checkCompletedWithWrappedException(h0, ex);
2591	>	rs[0].assertNotInvoked();
2592		}
2055	–
2056	–	checkCompletedWithWrappedCFException(g, ex);
2057	–	checkCompletedNormally(f, v1);
2058	–	}}
2059	–
2060	–	public void testAcceptEither_exceptionalCompletion4() {
2061	–	for (ExecutionMode m : ExecutionMode.values())
2062	–	for (Integer v1 : new Integer[] { 1, null })
2063	–	{
2064	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2065	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2066	–	final IncAction r = new IncAction();
2067	–	final CFException ex = new CFException();
2068	–
2069	–	f.completeExceptionally(ex);
2070	–	g.complete(v1);
2071	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2072	–
2073	–	// unspecified behavior
2074	–	Integer v;
2593		try {
2594	<	assertNull(h.join());
2595	<	assertEquals(1, r.invocationCount);
2078	<	assertEquals(inc(v1), r.value);
2594	>	assertNull(h1.join());
2595	>	rs[1].assertValue(v1);
2596		} catch (CompletionException ok) {
2597	<	checkCompletedWithWrappedCFException(h, ex);
2598	<	assertEquals(0, r.invocationCount);
2597	>	checkCompletedWithWrappedException(h1, ex);
2598	>	rs[1].assertNotInvoked();
2599	>	}
2600	>	try {
2601	>	assertNull(h2.join());
2602	>	rs[2].assertValue(v1);
2603	>	} catch (CompletionException ok) {
2604	>	checkCompletedWithWrappedException(h2, ex);
2605	>	rs[2].assertNotInvoked();
2606	>	}
2607	>	try {
2608	>	assertNull(h3.join());
2609	>	rs[3].assertValue(v1);
2610	>	} catch (CompletionException ok) {
2611	>	checkCompletedWithWrappedException(h3, ex);
2612	>	rs[3].assertNotInvoked();
2613		}
2614
2084	–	checkCompletedWithWrappedCFException(f, ex);
2085	–	checkCompletedNormally(g, v1);
2086	–	}}
2087	–
2088	–	/**
2089	–	* acceptEither result completes exceptionally if action does
2090	–	*/
2091	–	public void testAcceptEither_actionFailed1() {
2092	–	for (ExecutionMode m : ExecutionMode.values())
2093	–	for (Integer v1 : new Integer[] { 1, null })
2094	–	for (Integer v2 : new Integer[] { 2, null })
2095	–	{
2096	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2097	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2098	–	final FailingConsumer r = new FailingConsumer(m);
2099	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2100	–
2101	–	f.complete(v1);
2102	–	checkCompletedWithWrappedCFException(h);
2103	–	g.complete(v2);
2104	–	checkCompletedNormally(f, v1);
2105	–	checkCompletedNormally(g, v2);
2106	–	}}
2107	–
2108	–	public void testAcceptEither_actionFailed2() {
2109	–	for (ExecutionMode m : ExecutionMode.values())
2110	–	for (Integer v1 : new Integer[] { 1, null })
2111	–	for (Integer v2 : new Integer[] { 2, null })
2112	–	{
2113	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2114	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2115	–	final FailingConsumer r = new FailingConsumer(m);
2116	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2117	–
2118	–	g.complete(v2);
2119	–	checkCompletedWithWrappedCFException(h);
2120	–	f.complete(v1);
2615		checkCompletedNormally(f, v1);
2616	<	checkCompletedNormally(g, v2);
2616	>	checkCompletedExceptionally(g, ex);
2617		}}
2618
2619		/**
2620		* acceptEither result completes exceptionally if either source cancelled
2621		*/
2622	<	public void testAcceptEither_sourceCancelled1() {
2622	>	public void testAcceptEither_sourceCancelled() {
2623		for (ExecutionMode m : ExecutionMode.values())
2624		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2625		for (Integer v1 : new Integer[] { 1, null })
2626		{
2627		final CompletableFuture<Integer> f = new CompletableFuture<>();
2628		final CompletableFuture<Integer> g = new CompletableFuture<>();
2629	<	final IncAction r = new IncAction();
2630	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2137	<
2138	<	assertTrue(f.cancel(mayInterruptIfRunning));
2139	<	checkCompletedWithWrappedCancellationException(h);
2140	<	g.complete(v1);
2629	>	final NoopConsumer[] rs = new NoopConsumer[6];
2630	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2631
2632	<	checkCancelled(f);
2633	<	assertEquals(0, r.invocationCount);
2634	<	checkCompletedNormally(g, v1);
2635	<	checkCompletedWithWrappedCancellationException(h);
2636	<	}}
2637	<
2638	<	public void testAcceptEither_sourceCancelled2() {
2639	<	for (ExecutionMode m : ExecutionMode.values())
2640	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2641	<	for (Integer v1 : new Integer[] { 1, null })
2642	<	{
2643	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2644	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2155	<	final IncAction r = new IncAction();
2156	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2157	<
2158	<	assertTrue(g.cancel(mayInterruptIfRunning));
2159	<	checkCompletedWithWrappedCancellationException(h);
2160	<	f.complete(v1);
2632	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2633	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2634	>	checkIncomplete(h0);
2635	>	checkIncomplete(h1);
2636	>	rs[0].assertNotInvoked();
2637	>	rs[1].assertNotInvoked();
2638	>	f.cancel(mayInterruptIfRunning);
2639	>	checkCompletedWithWrappedCancellationException(h0);
2640	>	checkCompletedWithWrappedCancellationException(h1);
2641	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2642	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2643	>	checkCompletedWithWrappedCancellationException(h2);
2644	>	checkCompletedWithWrappedCancellationException(h3);
2645
2646	<	checkCancelled(g);
2163	<	assertEquals(0, r.invocationCount);
2164	<	checkCompletedNormally(f, v1);
2165	<	checkCompletedWithWrappedCancellationException(h);
2166	<	}}
2167	<
2168	<	public void testAcceptEither_sourceCancelled3() {
2169	<	for (ExecutionMode m : ExecutionMode.values())
2170	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2171	<	for (Integer v1 : new Integer[] { 1, null })
2172	<	{
2173	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2174	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2175	<	final IncAction r = new IncAction();
2176	<
2177	<	assertTrue(g.cancel(mayInterruptIfRunning));
2178	<	f.complete(v1);
2179	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2646	>	g.complete(v1);
2647
2648	<	// unspecified behavior
2649	<	Integer v;
2648	>	// unspecified behavior - both source completions available
2649	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2650	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2651		try {
2652	<	assertNull(h.join());
2653	<	assertEquals(1, r.invocationCount);
2186	<	assertEquals(inc(v1), r.value);
2652	>	assertNull(h4.join());
2653	>	rs[4].assertValue(v1);
2654		} catch (CompletionException ok) {
2655	<	checkCompletedWithWrappedCancellationException(h);
2656	<	assertEquals(0, r.invocationCount);
2655	>	checkCompletedWithWrappedCancellationException(h4);
2656	>	rs[4].assertNotInvoked();
2657		}
2191	–
2192	–	checkCancelled(g);
2193	–	checkCompletedNormally(f, v1);
2194	–	}}
2195	–
2196	–	public void testAcceptEither_sourceCancelled4() {
2197	–	for (ExecutionMode m : ExecutionMode.values())
2198	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2199	–	for (Integer v1 : new Integer[] { 1, null })
2200	–	{
2201	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2202	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2203	–	final IncAction r = new IncAction();
2204	–
2205	–	assertTrue(f.cancel(mayInterruptIfRunning));
2206	–	g.complete(v1);
2207	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2208	–
2209	–	// unspecified behavior
2210	–	Integer v;
2658		try {
2659	<	assertNull(h.join());
2660	<	assertEquals(1, r.invocationCount);
2214	<	assertEquals(inc(v1), r.value);
2659	>	assertNull(h5.join());
2660	>	rs[5].assertValue(v1);
2661		} catch (CompletionException ok) {
2662	<	checkCompletedWithWrappedCancellationException(h);
2663	<	assertEquals(0, r.invocationCount);
2662	>	checkCompletedWithWrappedCancellationException(h5);
2663	>	rs[5].assertNotInvoked();
2664		}
2665
2666		checkCancelled(f);
2667		checkCompletedNormally(g, v1);
2668	+	checkCompletedWithWrappedCancellationException(h0);
2669	+	checkCompletedWithWrappedCancellationException(h1);
2670	+	checkCompletedWithWrappedCancellationException(h2);
2671	+	checkCompletedWithWrappedCancellationException(h3);
2672	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2673		}}
2674
2675		/**
2676	<	* runAfterEither result completes normally after normal completion
2226	<	* of either source
2676	>	* acceptEither result completes exceptionally if action does
2677		*/
2678	<	public void testRunAfterEither_normalCompletion1() {
2678	>	public void testAcceptEither_actionFailed() {
2679		for (ExecutionMode m : ExecutionMode.values())
2680		for (Integer v1 : new Integer[] { 1, null })
2681		for (Integer v2 : new Integer[] { 2, null })
2682		{
2683		final CompletableFuture<Integer> f = new CompletableFuture<>();
2684		final CompletableFuture<Integer> g = new CompletableFuture<>();
2685	<	final Noop r = new Noop(m);
2686	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2685	>	final FailingConsumer[] rs = new FailingConsumer[6];
2686	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2687
2688	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2689	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2690		f.complete(v1);
2691	<	checkCompletedNormally(h, null);
2692	<	assertEquals(1, r.invocationCount);
2691	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2692	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2693	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2694	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2695	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2696	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2697	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2698	>
2699		g.complete(v2);
2700
2701	+	// unspecified behavior - both source completions available
2702	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2703	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2704	+
2705	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2706	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2707	+	Objects.equals(v2, rs[4].value));
2708	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2709	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2710	+	Objects.equals(v2, rs[5].value));
2711	+
2712		checkCompletedNormally(f, v1);
2713		checkCompletedNormally(g, v2);
2245	–	checkCompletedNormally(h, null);
2246	–	assertEquals(1, r.invocationCount);
2714		}}
2715
2716	<	public void testRunAfterEither_normalCompletion2() {
2716	>	/**
2717	>	* runAfterEither result completes normally after normal completion
2718	>	* of either source
2719	>	*/
2720	>	public void testRunAfterEither_normalCompletion() {
2721		for (ExecutionMode m : ExecutionMode.values())
2722		for (Integer v1 : new Integer[] { 1, null })
2723		for (Integer v2 : new Integer[] { 2, null })
2724	+	for (boolean pushNop : new boolean[] { true, false })
2725		{
2726		final CompletableFuture<Integer> f = new CompletableFuture<>();
2727		final CompletableFuture<Integer> g = new CompletableFuture<>();
2728	<	final Noop r = new Noop(m);
2729	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2728	>	final Noop[] rs = new Noop[6];
2729	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2730
2731	<	g.complete(v2);
2732	<	checkCompletedNormally(h, null);
2733	<	assertEquals(1, r.invocationCount);
2731	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2732	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2733	>	checkIncomplete(h0);
2734	>	checkIncomplete(h1);
2735	>	rs[0].assertNotInvoked();
2736	>	rs[1].assertNotInvoked();
2737	>	if (pushNop) {          // ad hoc test of intra-completion interference
2738	>	m.thenRun(f, () -> {});
2739	>	m.thenRun(g, () -> {});
2740	>	}
2741		f.complete(v1);
2742	+	checkCompletedNormally(h0, null);
2743	+	checkCompletedNormally(h1, null);
2744	+	rs[0].assertInvoked();
2745	+	rs[1].assertInvoked();
2746	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2747	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2748	+	checkCompletedNormally(h2, null);
2749	+	checkCompletedNormally(h3, null);
2750	+	rs[2].assertInvoked();
2751	+	rs[3].assertInvoked();
2752
2264	–	checkCompletedNormally(f, v1);
2265	–	checkCompletedNormally(g, v2);
2266	–	checkCompletedNormally(h, null);
2267	–	assertEquals(1, r.invocationCount);
2268	–	}}
2269	–
2270	–	public void testRunAfterEither_normalCompletion3() {
2271	–	for (ExecutionMode m : ExecutionMode.values())
2272	–	for (Integer v1 : new Integer[] { 1, null })
2273	–	for (Integer v2 : new Integer[] { 2, null })
2274	–	{
2275	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2276	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2277	–	final Noop r = new Noop(m);
2278	–
2279	–	f.complete(v1);
2753		g.complete(v2);
2281	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2754
2755	<	checkCompletedNormally(h, null);
2755	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2756	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2757	>
2758		checkCompletedNormally(f, v1);
2759		checkCompletedNormally(g, v2);
2760	<	assertEquals(1, r.invocationCount);
2760	>	checkCompletedNormally(h0, null);
2761	>	checkCompletedNormally(h1, null);
2762	>	checkCompletedNormally(h2, null);
2763	>	checkCompletedNormally(h3, null);
2764	>	checkCompletedNormally(h4, null);
2765	>	checkCompletedNormally(h5, null);
2766	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2767		}}
2768
2769		/**
2770		* runAfterEither result completes exceptionally after exceptional
2771		* completion of either source
2772		*/
2773	<	public void testRunAfterEither_exceptionalCompletion1() {
2773	>	public void testRunAfterEither_exceptionalCompletion() {
2774		for (ExecutionMode m : ExecutionMode.values())
2775		for (Integer v1 : new Integer[] { 1, null })
2776		{
2777		final CompletableFuture<Integer> f = new CompletableFuture<>();
2778		final CompletableFuture<Integer> g = new CompletableFuture<>();
2299	–	final Noop r = new Noop(m);
2300	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2779		final CFException ex = new CFException();
2780	+	final Noop[] rs = new Noop[6];
2781	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2782
2783	<	f.completeExceptionally(ex);
2784	<	checkCompletedWithWrappedCFException(h, ex);
2785	<	g.complete(v1);
2783	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2784	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2785	>	checkIncomplete(h0);
2786	>	checkIncomplete(h1);
2787	>	rs[0].assertNotInvoked();
2788	>	rs[1].assertNotInvoked();
2789	>	assertTrue(f.completeExceptionally(ex));
2790	>	checkCompletedWithWrappedException(h0, ex);
2791	>	checkCompletedWithWrappedException(h1, ex);
2792	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2793	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2794	>	checkCompletedWithWrappedException(h2, ex);
2795	>	checkCompletedWithWrappedException(h3, ex);
2796	>
2797	>	assertTrue(g.complete(v1));
2798	>
2799	>	// unspecified behavior - both source completions available
2800	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2801	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2802	>	try {
2803	>	assertNull(h4.join());
2804	>	rs[4].assertInvoked();
2805	>	} catch (CompletionException ok) {
2806	>	checkCompletedWithWrappedException(h4, ex);
2807	>	rs[4].assertNotInvoked();
2808	>	}
2809	>	try {
2810	>	assertNull(h5.join());
2811	>	rs[5].assertInvoked();
2812	>	} catch (CompletionException ok) {
2813	>	checkCompletedWithWrappedException(h5, ex);
2814	>	rs[5].assertNotInvoked();
2815	>	}
2816
2817	<	assertEquals(0, r.invocationCount);
2817	>	checkCompletedExceptionally(f, ex);
2818		checkCompletedNormally(g, v1);
2819	<	checkCompletedWithWrappedCFException(f, ex);
2820	<	checkCompletedWithWrappedCFException(h, ex);
2819	>	checkCompletedWithWrappedException(h0, ex);
2820	>	checkCompletedWithWrappedException(h1, ex);
2821	>	checkCompletedWithWrappedException(h2, ex);
2822	>	checkCompletedWithWrappedException(h3, ex);
2823	>	checkCompletedWithWrappedException(h4, ex);
2824	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2825		}}
2826
2827		public void testRunAfterEither_exceptionalCompletion2() {
2828		for (ExecutionMode m : ExecutionMode.values())
2829	+	for (boolean fFirst : new boolean[] { true, false })
2830		for (Integer v1 : new Integer[] { 1, null })
2831		{
2832		final CompletableFuture<Integer> f = new CompletableFuture<>();
2833		final CompletableFuture<Integer> g = new CompletableFuture<>();
2319	–	final Noop r = new Noop(m);
2320	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2321	–	final CFException ex = new CFException();
2322	–
2323	–	g.completeExceptionally(ex);
2324	–	checkCompletedWithWrappedCFException(h, ex);
2325	–	f.complete(v1);
2326	–
2327	–	assertEquals(0, r.invocationCount);
2328	–	checkCompletedNormally(f, v1);
2329	–	checkCompletedWithWrappedCFException(g, ex);
2330	–	checkCompletedWithWrappedCFException(h, ex);
2331	–	}}
2332	–
2333	–	public void testRunAfterEither_exceptionalCompletion3() {
2334	–	for (ExecutionMode m : ExecutionMode.values())
2335	–	for (Integer v1 : new Integer[] { 1, null })
2336	–	{
2337	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2338	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2339	–	final Noop r = new Noop(m);
2834		final CFException ex = new CFException();
2835	+	final Noop[] rs = new Noop[6];
2836	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2837
2838	<	g.completeExceptionally(ex);
2839	<	f.complete(v1);
2840	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2838	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2839	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2840	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2841	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2842	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2843	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2844
2845	<	// unspecified behavior
2347	<	Integer v;
2845	>	// unspecified behavior - both source completions available
2846		try {
2847	<	assertNull(h.join());
2848	<	assertEquals(1, r.invocationCount);
2847	>	assertNull(h0.join());
2848	>	rs[0].assertInvoked();
2849		} catch (CompletionException ok) {
2850	<	checkCompletedWithWrappedCFException(h, ex);
2851	<	assertEquals(0, r.invocationCount);
2850	>	checkCompletedWithWrappedException(h0, ex);
2851	>	rs[0].assertNotInvoked();
2852		}
2355	–
2356	–	checkCompletedWithWrappedCFException(g, ex);
2357	–	checkCompletedNormally(f, v1);
2358	–	}}
2359	–
2360	–	public void testRunAfterEither_exceptionalCompletion4() {
2361	–	for (ExecutionMode m : ExecutionMode.values())
2362	–	for (Integer v1 : new Integer[] { 1, null })
2363	–	{
2364	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2365	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2366	–	final Noop r = new Noop(m);
2367	–	final CFException ex = new CFException();
2368	–
2369	–	f.completeExceptionally(ex);
2370	–	g.complete(v1);
2371	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2372	–
2373	–	// unspecified behavior
2374	–	Integer v;
2853		try {
2854	<	assertNull(h.join());
2855	<	assertEquals(1, r.invocationCount);
2854	>	assertNull(h1.join());
2855	>	rs[1].assertInvoked();
2856		} catch (CompletionException ok) {
2857	<	checkCompletedWithWrappedCFException(h, ex);
2858	<	assertEquals(0, r.invocationCount);
2857	>	checkCompletedWithWrappedException(h1, ex);
2858	>	rs[1].assertNotInvoked();
2859	>	}
2860	>	try {
2861	>	assertNull(h2.join());
2862	>	rs[2].assertInvoked();
2863	>	} catch (CompletionException ok) {
2864	>	checkCompletedWithWrappedException(h2, ex);
2865	>	rs[2].assertNotInvoked();
2866	>	}
2867	>	try {
2868	>	assertNull(h3.join());
2869	>	rs[3].assertInvoked();
2870	>	} catch (CompletionException ok) {
2871	>	checkCompletedWithWrappedException(h3, ex);
2872	>	rs[3].assertNotInvoked();
2873		}
2874
2383	–	checkCompletedWithWrappedCFException(f, ex);
2384	–	checkCompletedNormally(g, v1);
2385	–	}}
2386	–
2387	–	/**
2388	–	* runAfterEither result completes exceptionally if action does
2389	–	*/
2390	–	public void testRunAfterEither_actionFailed1() {
2391	–	for (ExecutionMode m : ExecutionMode.values())
2392	–	for (Integer v1 : new Integer[] { 1, null })
2393	–	for (Integer v2 : new Integer[] { 2, null })
2394	–	{
2395	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2396	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2397	–	final FailingRunnable r = new FailingRunnable(m);
2398	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2399	–
2400	–	f.complete(v1);
2401	–	checkCompletedWithWrappedCFException(h);
2402	–	g.complete(v2);
2875		checkCompletedNormally(f, v1);
2876	<	checkCompletedNormally(g, v2);
2405	<	}}
2406	<
2407	<	public void testRunAfterEither_actionFailed2() {
2408	<	for (ExecutionMode m : ExecutionMode.values())
2409	<	for (Integer v1 : new Integer[] { 1, null })
2410	<	for (Integer v2 : new Integer[] { 2, null })
2411	<	{
2412	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2413	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2414	<	final FailingRunnable r = new FailingRunnable(m);
2415	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2416	<
2417	<	g.complete(v2);
2418	<	checkCompletedWithWrappedCFException(h);
2419	<	f.complete(v1);
2420	<	checkCompletedNormally(f, v1);
2421	<	checkCompletedNormally(g, v2);
2876	>	checkCompletedExceptionally(g, ex);
2877		}}
2878
2879		/**
2880		* runAfterEither result completes exceptionally if either source cancelled
2881		*/
2882	<	public void testRunAfterEither_sourceCancelled1() {
2428	<	for (ExecutionMode m : ExecutionMode.values())
2429	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2430	<	for (Integer v1 : new Integer[] { 1, null })
2431	<	{
2432	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2433	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2434	<	final Noop r = new Noop(m);
2435	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2436	<
2437	<	assertTrue(f.cancel(mayInterruptIfRunning));
2438	<	checkCompletedWithWrappedCancellationException(h);
2439	<	g.complete(v1);
2440	<
2441	<	checkCancelled(f);
2442	<	assertEquals(0, r.invocationCount);
2443	<	checkCompletedNormally(g, v1);
2444	<	checkCompletedWithWrappedCancellationException(h);
2445	<	}}
2446	<
2447	<	public void testRunAfterEither_sourceCancelled2() {
2882	>	public void testRunAfterEither_sourceCancelled() {
2883		for (ExecutionMode m : ExecutionMode.values())
2884		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2885		for (Integer v1 : new Integer[] { 1, null })
2886		{
2887		final CompletableFuture<Integer> f = new CompletableFuture<>();
2888		final CompletableFuture<Integer> g = new CompletableFuture<>();
2889	<	final Noop r = new Noop(m);
2890	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2889	>	final Noop[] rs = new Noop[6];
2890	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2891
2892	<	assertTrue(g.cancel(mayInterruptIfRunning));
2893	<	checkCompletedWithWrappedCancellationException(h);
2894	<	f.complete(v1);
2895	<
2896	<	checkCancelled(g);
2897	<	assertEquals(0, r.invocationCount);
2898	<	checkCompletedNormally(f, v1);
2899	<	checkCompletedWithWrappedCancellationException(h);
2900	<	}}
2901	<
2902	<	public void testRunAfterEither_sourceCancelled3() {
2903	<	for (ExecutionMode m : ExecutionMode.values())
2904	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2905	<	for (Integer v1 : new Integer[] { 1, null })
2906	<	{
2907	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2908	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2909	<	final Noop r = new Noop(m);
2910	<
2476	<	assertTrue(g.cancel(mayInterruptIfRunning));
2477	<	f.complete(v1);
2478	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2479	<
2480	<	// unspecified behavior
2481	<	Integer v;
2892	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2893	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2894	>	checkIncomplete(h0);
2895	>	checkIncomplete(h1);
2896	>	rs[0].assertNotInvoked();
2897	>	rs[1].assertNotInvoked();
2898	>	f.cancel(mayInterruptIfRunning);
2899	>	checkCompletedWithWrappedCancellationException(h0);
2900	>	checkCompletedWithWrappedCancellationException(h1);
2901	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2902	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2903	>	checkCompletedWithWrappedCancellationException(h2);
2904	>	checkCompletedWithWrappedCancellationException(h3);
2905	>
2906	>	assertTrue(g.complete(v1));
2907	>
2908	>	// unspecified behavior - both source completions available
2909	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2910	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2911		try {
2912	<	assertNull(h.join());
2913	<	assertEquals(1, r.invocationCount);
2912	>	assertNull(h4.join());
2913	>	rs[4].assertInvoked();
2914		} catch (CompletionException ok) {
2915	<	checkCompletedWithWrappedCancellationException(h);
2916	<	assertEquals(0, r.invocationCount);
2915	>	checkCompletedWithWrappedCancellationException(h4);
2916	>	rs[4].assertNotInvoked();
2917	>	}
2918	>	try {
2919	>	assertNull(h5.join());
2920	>	rs[5].assertInvoked();
2921	>	} catch (CompletionException ok) {
2922	>	checkCompletedWithWrappedCancellationException(h5);
2923	>	rs[5].assertNotInvoked();
2924		}
2925
2926	<	checkCancelled(g);
2927	<	checkCompletedNormally(f, v1);
2926	>	checkCancelled(f);
2927	>	checkCompletedNormally(g, v1);
2928	>	checkCompletedWithWrappedCancellationException(h0);
2929	>	checkCompletedWithWrappedCancellationException(h1);
2930	>	checkCompletedWithWrappedCancellationException(h2);
2931	>	checkCompletedWithWrappedCancellationException(h3);
2932	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2933		}}
2934
2935	<	public void testRunAfterEither_sourceCancelled4() {
2935	>	/**
2936	>	* runAfterEither result completes exceptionally if action does
2937	>	*/
2938	>	public void testRunAfterEither_actionFailed() {
2939		for (ExecutionMode m : ExecutionMode.values())
2496	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2940		for (Integer v1 : new Integer[] { 1, null })
2941	+	for (Integer v2 : new Integer[] { 2, null })
2942		{
2943		final CompletableFuture<Integer> f = new CompletableFuture<>();
2944		final CompletableFuture<Integer> g = new CompletableFuture<>();
2945	<	final Noop r = new Noop(m);
2945	>	final FailingRunnable[] rs = new FailingRunnable[6];
2946	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2947
2948	<	assertTrue(f.cancel(mayInterruptIfRunning));
2949	<	g.complete(v1);
2950	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2948	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2949	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2950	>	assertTrue(f.complete(v1));
2951	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2952	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2953	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2954	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2955	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2956	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2957	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2958	>	assertTrue(g.complete(v2));
2959	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2960	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2961	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2962	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2963
2964	<	// unspecified behavior
2965	<	Integer v;
2966	<	try {
2510	<	assertNull(h.join());
2511	<	assertEquals(1, r.invocationCount);
2512	<	} catch (CompletionException ok) {
2513	<	checkCompletedWithWrappedCancellationException(h);
2514	<	assertEquals(0, r.invocationCount);
2515	<	}
2516	<
2517	<	checkCancelled(f);
2518	<	checkCompletedNormally(g, v1);
2964	>	checkCompletedNormally(f, v1);
2965	>	checkCompletedNormally(g, v2);
2966	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2967		}}
2968
2969		/**
#	Line 2528 | Line 2976 | public class CompletableFutureTest exten
2976		{
2977		final CompletableFuture<Integer> f = new CompletableFuture<>();
2978		final CompletableFutureInc r = new CompletableFutureInc(m);
2979	<	if (!createIncomplete) f.complete(v1);
2979	>	if (!createIncomplete) assertTrue(f.complete(v1));
2980		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2981	<	if (createIncomplete) f.complete(v1);
2981	>	if (createIncomplete) assertTrue(f.complete(v1));
2982
2983		checkCompletedNormally(g, inc(v1));
2984		checkCompletedNormally(f, v1);
2985	<	assertEquals(1, r.invocationCount);
2985	>	r.assertValue(v1);
2986		}}
2987
2988		/**
#	Line 2552 | Line 3000 | public class CompletableFutureTest exten
3000		final CompletableFuture<Integer> g = m.thenCompose(f, r);
3001		if (createIncomplete) f.completeExceptionally(ex);
3002
3003	<	checkCompletedWithWrappedCFException(g, ex);
3004	<	checkCompletedWithWrappedCFException(f, ex);
3005	<	assertEquals(0, r.invocationCount);
3003	>	checkCompletedWithWrappedException(g, ex);
3004	>	checkCompletedExceptionally(f, ex);
3005	>	r.assertNotInvoked();
3006		}}
3007
3008		/**
#	Line 2568 | Line 3016 | public class CompletableFutureTest exten
3016		final CompletableFuture<Integer> f = new CompletableFuture<>();
3017		final FailingCompletableFutureFunction r
3018		= new FailingCompletableFutureFunction(m);
3019	<	if (!createIncomplete) f.complete(v1);
3019	>	if (!createIncomplete) assertTrue(f.complete(v1));
3020		final CompletableFuture<Integer> g = m.thenCompose(f, r);
3021	<	if (createIncomplete) f.complete(v1);
3021	>	if (createIncomplete) assertTrue(f.complete(v1));
3022
3023	<	checkCompletedWithWrappedCFException(g);
3023	>	checkCompletedWithWrappedException(g, r.ex);
3024		checkCompletedNormally(f, v1);
3025		}}
3026
#	Line 2597 | Line 3045 | public class CompletableFutureTest exten
3045		checkCancelled(f);
3046		}}
3047
3048	+	/**
3049	+	* thenCompose result completes exceptionally if the result of the action does
3050	+	*/
3051	+	public void testThenCompose_actionReturnsFailingFuture() {
3052	+	for (ExecutionMode m : ExecutionMode.values())
3053	+	for (int order = 0; order < 6; order++)
3054	+	for (Integer v1 : new Integer[] { 1, null })
3055	+	{
3056	+	final CFException ex = new CFException();
3057	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3058	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
3059	+	final CompletableFuture<Integer> h;
3060	+	// Test all permutations of orders
3061	+	switch (order) {
3062	+	case 0:
3063	+	assertTrue(f.complete(v1));
3064	+	assertTrue(g.completeExceptionally(ex));
3065	+	h = m.thenCompose(f, (x -> g));
3066	+	break;
3067	+	case 1:
3068	+	assertTrue(f.complete(v1));
3069	+	h = m.thenCompose(f, (x -> g));
3070	+	assertTrue(g.completeExceptionally(ex));
3071	+	break;
3072	+	case 2:
3073	+	assertTrue(g.completeExceptionally(ex));
3074	+	assertTrue(f.complete(v1));
3075	+	h = m.thenCompose(f, (x -> g));
3076	+	break;
3077	+	case 3:
3078	+	assertTrue(g.completeExceptionally(ex));
3079	+	h = m.thenCompose(f, (x -> g));
3080	+	assertTrue(f.complete(v1));
3081	+	break;
3082	+	case 4:
3083	+	h = m.thenCompose(f, (x -> g));
3084	+	assertTrue(f.complete(v1));
3085	+	assertTrue(g.completeExceptionally(ex));
3086	+	break;
3087	+	case 5:
3088	+	h = m.thenCompose(f, (x -> g));
3089	+	assertTrue(f.complete(v1));
3090	+	assertTrue(g.completeExceptionally(ex));
3091	+	break;
3092	+	default: throw new AssertionError();
3093	+	}
3094	+
3095	+	checkCompletedExceptionally(g, ex);
3096	+	checkCompletedWithWrappedException(h, ex);
3097	+	checkCompletedNormally(f, v1);
3098	+	}}
3099	+
3100		// other static methods
3101
3102		/**
#	Line 2613 | Line 3113 | public class CompletableFutureTest exten
3113		* when all components complete normally
3114		*/
3115		public void testAllOf_normal() throws Exception {
3116	<	for (int k = 1; k < 20; ++k) {
3117	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3118	<	for (int i = 0; i < k; ++i)
3116	>	for (int k = 1; k < 10; k++) {
3117	>	CompletableFuture<Integer>[] fs
3118	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3119	>	for (int i = 0; i < k; i++)
3120	>	fs[i] = new CompletableFuture<>();
3121	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3122	>	for (int i = 0; i < k; i++) {
3123	>	checkIncomplete(f);
3124	>	checkIncomplete(CompletableFuture.allOf(fs));
3125	>	fs[i].complete(one);
3126	>	}
3127	>	checkCompletedNormally(f, null);
3128	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3129	>	}
3130	>	}
3131	>
3132	>	public void testAllOf_normal_backwards() throws Exception {
3133	>	for (int k = 1; k < 10; k++) {
3134	>	CompletableFuture<Integer>[] fs
3135	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3136	>	for (int i = 0; i < k; i++)
3137		fs[i] = new CompletableFuture<>();
3138		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3139	<	for (int i = 0; i < k; ++i) {
3139	>	for (int i = k - 1; i >= 0; i--) {
3140		checkIncomplete(f);
3141		checkIncomplete(CompletableFuture.allOf(fs));
3142		fs[i].complete(one);
#	Line 2628 | Line 3146 | public class CompletableFutureTest exten
3146		}
3147		}
3148
3149	+	public void testAllOf_exceptional() throws Exception {
3150	+	for (int k = 1; k < 10; k++) {
3151	+	CompletableFuture<Integer>[] fs
3152	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3153	+	CFException ex = new CFException();
3154	+	for (int i = 0; i < k; i++)
3155	+	fs[i] = new CompletableFuture<>();
3156	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3157	+	for (int i = 0; i < k; i++) {
3158	+	checkIncomplete(f);
3159	+	checkIncomplete(CompletableFuture.allOf(fs));
3160	+	if (i != k / 2) {
3161	+	fs[i].complete(i);
3162	+	checkCompletedNormally(fs[i], i);
3163	+	} else {
3164	+	fs[i].completeExceptionally(ex);
3165	+	checkCompletedExceptionally(fs[i], ex);
3166	+	}
3167	+	}
3168	+	checkCompletedWithWrappedException(f, ex);
3169	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3170	+	}
3171	+	}
3172	+
3173		/**
3174		* anyOf(no component futures) returns an incomplete future
3175		*/
3176		public void testAnyOf_empty() throws Exception {
3177	+	for (Integer v1 : new Integer[] { 1, null })
3178	+	{
3179		CompletableFuture<Object> f = CompletableFuture.anyOf();
3180		checkIncomplete(f);
3181	<	}
3181	>
3182	>	f.complete(v1);
3183	>	checkCompletedNormally(f, v1);
3184	>	}}
3185
3186		/**
3187		* anyOf returns a future completed normally with a value when
3188		* a component future does
3189		*/
3190		public void testAnyOf_normal() throws Exception {
3191	<	for (int k = 0; k < 10; ++k) {
3191	>	for (int k = 0; k < 10; k++) {
3192		CompletableFuture[] fs = new CompletableFuture[k];
3193	<	for (int i = 0; i < k; ++i)
3193	>	for (int i = 0; i < k; i++)
3194		fs[i] = new CompletableFuture<>();
3195		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3196		checkIncomplete(f);
3197	<	for (int i = 0; i < k; ++i) {
3198	<	fs[i].complete(one);
3199	<	checkCompletedNormally(f, one);
3200	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3197	>	for (int i = 0; i < k; i++) {
3198	>	fs[i].complete(i);
3199	>	checkCompletedNormally(f, 0);
3200	>	int x = (int) CompletableFuture.anyOf(fs).join();
3201	>	assertTrue(0 <= x && x <= i);
3202	>	}
3203	>	}
3204	>	}
3205	>	public void testAnyOf_normal_backwards() throws Exception {
3206	>	for (int k = 0; k < 10; k++) {
3207	>	CompletableFuture[] fs = new CompletableFuture[k];
3208	>	for (int i = 0; i < k; i++)
3209	>	fs[i] = new CompletableFuture<>();
3210	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3211	>	checkIncomplete(f);
3212	>	for (int i = k - 1; i >= 0; i--) {
3213	>	fs[i].complete(i);
3214	>	checkCompletedNormally(f, k - 1);
3215	>	int x = (int) CompletableFuture.anyOf(fs).join();
3216	>	assertTrue(i <= x && x <= k - 1);
3217		}
3218		}
3219		}
#	Line 2659 | Line 3222 | public class CompletableFutureTest exten
3222		* anyOf result completes exceptionally when any component does.
3223		*/
3224		public void testAnyOf_exceptional() throws Exception {
3225	<	for (int k = 0; k < 10; ++k) {
3225	>	for (int k = 0; k < 10; k++) {
3226		CompletableFuture[] fs = new CompletableFuture[k];
3227	<	for (int i = 0; i < k; ++i)
3227	>	CFException[] exs = new CFException[k];
3228	>	for (int i = 0; i < k; i++) {
3229		fs[i] = new CompletableFuture<>();
3230	+	exs[i] = new CFException();
3231	+	}
3232		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3233		checkIncomplete(f);
3234	<	for (int i = 0; i < k; ++i) {
3235	<	fs[i].completeExceptionally(new CFException());
3236	<	checkCompletedWithWrappedCFException(f);
3234	>	for (int i = 0; i < k; i++) {
3235	>	fs[i].completeExceptionally(exs[i]);
3236	>	checkCompletedWithWrappedException(f, exs[0]);
3237	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3238	>	}
3239	>	}
3240	>	}
3241	>
3242	>	public void testAnyOf_exceptional_backwards() throws Exception {
3243	>	for (int k = 0; k < 10; k++) {
3244	>	CompletableFuture[] fs = new CompletableFuture[k];
3245	>	CFException[] exs = new CFException[k];
3246	>	for (int i = 0; i < k; i++) {
3247	>	fs[i] = new CompletableFuture<>();
3248	>	exs[i] = new CFException();
3249	>	}
3250	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3251	>	checkIncomplete(f);
3252	>	for (int i = k - 1; i >= 0; i--) {
3253	>	fs[i].completeExceptionally(exs[i]);
3254	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3255		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3256		}
3257		}
#	Line 2676 | Line 3260 | public class CompletableFutureTest exten
3260		/**
3261		* Completion methods throw NullPointerException with null arguments
3262		*/
3263	+	@SuppressWarnings("FutureReturnValueIgnored")
3264		public void testNPE() {
3265		CompletableFuture<Integer> f = new CompletableFuture<>();
3266		CompletableFuture<Integer> g = new CompletableFuture<>();
3267		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2683	–	CompletableFuture<?> h;
3268		ThreadExecutor exec = new ThreadExecutor();
3269
3270		Runnable[] throwingActions = {
3271		() -> CompletableFuture.supplyAsync(null),
3272		() -> CompletableFuture.supplyAsync(null, exec),
3273	<	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null),
3273	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3274
3275		() -> CompletableFuture.runAsync(null),
3276		() -> CompletableFuture.runAsync(null, exec),
#	Line 2696 | Line 3280 | public class CompletableFutureTest exten
3280
3281		() -> f.thenApply(null),
3282		() -> f.thenApplyAsync(null),
3283	<	() -> f.thenApplyAsync((x) -> x, null),
3283	>	() -> f.thenApplyAsync(x -> x, null),
3284		() -> f.thenApplyAsync(null, exec),
3285
3286		() -> f.thenAccept(null),
3287		() -> f.thenAcceptAsync(null),
3288	<	() -> f.thenAcceptAsync((x) -> {} , null),
3288	>	() -> f.thenAcceptAsync(x -> {} , null),
3289		() -> f.thenAcceptAsync(null, exec),
3290
3291		() -> f.thenRun(null),
#	Line 2736 | Line 3320 | public class CompletableFutureTest exten
3320		() -> f.applyToEither(g, null),
3321		() -> f.applyToEitherAsync(g, null),
3322		() -> f.applyToEitherAsync(g, null, exec),
3323	<	() -> f.applyToEither(nullFuture, (x) -> x),
3324	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3325	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3326	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3323	>	() -> f.applyToEither(nullFuture, x -> x),
3324	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3325	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3326	>	() -> f.applyToEitherAsync(g, x -> x, null),
3327
3328		() -> f.acceptEither(g, null),
3329		() -> f.acceptEitherAsync(g, null),
3330		() -> f.acceptEitherAsync(g, null, exec),
3331	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3332	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3333	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3334	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3331	>	() -> f.acceptEither(nullFuture, x -> {}),
3332	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3333	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3334	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3335
3336		() -> f.runAfterEither(g, null),
3337		() -> f.runAfterEitherAsync(g, null),
#	Line 2777 | Line 3361 | public class CompletableFutureTest exten
3361		() -> CompletableFuture.anyOf(null, f),
3362
3363		() -> f.obtrudeException(null),
3364	+
3365	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3366	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3367	+	() -> CompletableFuture.delayedExecutor(1L, null),
3368	+
3369	+	() -> f.orTimeout(1L, null),
3370	+	() -> f.completeOnTimeout(42, 1L, null),
3371	+
3372	+	() -> CompletableFuture.failedFuture(null),
3373	+	() -> CompletableFuture.failedStage(null),
3374		};
3375
3376		assertThrows(NullPointerException.class, throwingActions);
#	Line 2784 | Line 3378 | public class CompletableFutureTest exten
3378		}
3379
3380		/**
3381	+	* Test submissions to an executor that rejects all tasks.
3382	+	*/
3383	+	public void testRejectingExecutor() {
3384	+	for (Integer v : new Integer[] { 1, null })
3385	+	{
3386	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3387	+
3388	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3389	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3390	+
3391	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3392	+
3393	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3394	+	srcs.add(complete);
3395	+	srcs.add(incomplete);
3396	+
3397	+	for (CompletableFuture<Integer> src : srcs) {
3398	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3399	+	fs.add(src.thenRunAsync(() -> {}, e));
3400	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3401	+	fs.add(src.thenApplyAsync(z -> z, e));
3402	+
3403	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3404	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3405	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3406	+
3407	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3408	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3409	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3410	+
3411	+	fs.add(src.thenComposeAsync(z -> null, e));
3412	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3413	+	fs.add(src.handleAsync((z, t) -> null, e));
3414	+
3415	+	for (CompletableFuture<?> future : fs) {
3416	+	if (src.isDone())
3417	+	checkCompletedWithWrappedException(future, e.ex);
3418	+	else
3419	+	checkIncomplete(future);
3420	+	}
3421	+	futures.addAll(fs);
3422	+	}
3423	+
3424	+	{
3425	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3426	+
3427	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3428	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3429	+
3430	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3431	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3432	+
3433	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3434	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3435	+
3436	+	for (CompletableFuture<?> future : fs)
3437	+	checkIncomplete(future);
3438	+	futures.addAll(fs);
3439	+	}
3440	+
3441	+	{
3442	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3443	+
3444	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3445	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3446	+
3447	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3448	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3449	+
3450	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3451	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3452	+
3453	+	for (CompletableFuture<?> future : fs)
3454	+	checkCompletedWithWrappedException(future, e.ex);
3455	+	futures.addAll(fs);
3456	+	}
3457	+
3458	+	incomplete.complete(v);
3459	+
3460	+	for (CompletableFuture<?> future : futures)
3461	+	checkCompletedWithWrappedException(future, e.ex);
3462	+
3463	+	assertEquals(futures.size(), e.count.get());
3464	+	}}
3465	+
3466	+	/**
3467	+	* Test submissions to an executor that rejects all tasks, but
3468	+	* should never be invoked because the dependent future is
3469	+	* explicitly completed.
3470	+	*/
3471	+	public void testRejectingExecutorNeverInvoked() {
3472	+	for (Integer v : new Integer[] { 1, null })
3473	+	{
3474	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3475	+
3476	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3477	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3478	+
3479	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3480	+
3481	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3482	+	srcs.add(complete);
3483	+	srcs.add(incomplete);
3484	+
3485	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3486	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3487	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3488	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3489	+
3490	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3491	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3492	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3493	+
3494	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3495	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3496	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3497	+
3498	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3499	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3500	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3501	+
3502	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3503	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3504	+
3505	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3506	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3507	+
3508	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3509	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3510	+
3511	+	for (CompletableFuture<?> future : fs)
3512	+	checkIncomplete(future);
3513	+
3514	+	for (CompletableFuture<?> future : fs)
3515	+	future.complete(null);
3516	+
3517	+	incomplete.complete(v);
3518	+
3519	+	for (CompletableFuture<?> future : fs)
3520	+	checkCompletedNormally(future, null);
3521	+
3522	+	assertEquals(0, e.count.get());
3523	+	}}
3524	+
3525	+	/**
3526		* toCompletableFuture returns this CompletableFuture.
3527		*/
3528		public void testToCompletableFuture() {
#	Line 2791 | Line 3530 | public class CompletableFutureTest exten
3530		assertSame(f, f.toCompletableFuture());
3531		}
3532
3533	+	// jdk9
3534	+
3535		/**
3536	<	* whenComplete action executes on normal completion, propagating
2796	<	* source result.
3536	>	* newIncompleteFuture returns an incomplete CompletableFuture
3537		*/
3538	<	public void testWhenComplete_normalCompletion1() {
2799	<	for (ExecutionMode m : ExecutionMode.values())
2800	<	for (boolean createIncomplete : new boolean[] { true, false })
3538	>	public void testNewIncompleteFuture() {
3539		for (Integer v1 : new Integer[] { 1, null })
3540		{
3541	<	final AtomicInteger a = new AtomicInteger(0);
3542	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3543	<	if (!createIncomplete) f.complete(v1);
3544	<	final CompletableFuture<Integer> g = m.whenComplete
3545	<	(f,
2808	<	(Integer x, Throwable t) -> {
2809	<	threadAssertSame(x, v1);
2810	<	threadAssertNull(t);
2811	<	a.getAndIncrement();
2812	<	});
2813	<	if (createIncomplete) f.complete(v1);
2814	<
2815	<	checkCompletedNormally(g, v1);
3541	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3542	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3543	>	checkIncomplete(f);
3544	>	checkIncomplete(g);
3545	>	f.complete(v1);
3546		checkCompletedNormally(f, v1);
3547	<	assertEquals(1, a.get());
3547	>	checkIncomplete(g);
3548	>	g.complete(v1);
3549	>	checkCompletedNormally(g, v1);
3550	>	assertSame(g.getClass(), CompletableFuture.class);
3551		}}
3552
3553		/**
3554	<	* whenComplete action executes on exceptional completion, propagating
2822	<	* source result.
3554	>	* completedStage returns a completed CompletionStage
3555		*/
3556	<	public void testWhenComplete_exceptionalCompletion() {
3557	<	for (ExecutionMode m : ExecutionMode.values())
3556	>	public void testCompletedStage() {
3557	>	AtomicInteger x = new AtomicInteger(0);
3558	>	AtomicReference<Throwable> r = new AtomicReference<>();
3559	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3560	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3561	>	assertEquals(x.get(), 1);
3562	>	assertNull(r.get());
3563	>	}
3564	>
3565	>	/**
3566	>	* defaultExecutor by default returns the commonPool if
3567	>	* it supports more than one thread.
3568	>	*/
3569	>	public void testDefaultExecutor() {
3570	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3571	>	Executor e = f.defaultExecutor();
3572	>	Executor c = ForkJoinPool.commonPool();
3573	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3574	>	assertSame(e, c);
3575	>	else
3576	>	assertNotSame(e, c);
3577	>	}
3578	>
3579	>	/**
3580	>	* failedFuture returns a CompletableFuture completed
3581	>	* exceptionally with the given Exception
3582	>	*/
3583	>	public void testFailedFuture() {
3584	>	CFException ex = new CFException();
3585	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3586	>	checkCompletedExceptionally(f, ex);
3587	>	}
3588	>
3589	>	/**
3590	>	* failedFuture(null) throws NPE
3591	>	*/
3592	>	public void testFailedFuture_null() {
3593	>	try {
3594	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3595	>	shouldThrow();
3596	>	} catch (NullPointerException success) {}
3597	>	}
3598	>
3599	>	/**
3600	>	* copy returns a CompletableFuture that is completed normally,
3601	>	* with the same value, when source is.
3602	>	*/
3603	>	public void testCopy_normalCompletion() {
3604		for (boolean createIncomplete : new boolean[] { true, false })
3605		for (Integer v1 : new Integer[] { 1, null })
3606		{
3607	<	final AtomicInteger a = new AtomicInteger(0);
3608	<	final CFException ex = new CFException();
3609	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3607	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3608	>	if (!createIncomplete) assertTrue(f.complete(v1));
3609	>	CompletableFuture<Integer> g = f.copy();
3610	>	if (createIncomplete) {
3611	>	checkIncomplete(f);
3612	>	checkIncomplete(g);
3613	>	assertTrue(f.complete(v1));
3614	>	}
3615	>	checkCompletedNormally(f, v1);
3616	>	checkCompletedNormally(g, v1);
3617	>	}}
3618	>
3619	>	/**
3620	>	* copy returns a CompletableFuture that is completed exceptionally
3621	>	* when source is.
3622	>	*/
3623	>	public void testCopy_exceptionalCompletion() {
3624	>	for (boolean createIncomplete : new boolean[] { true, false })
3625	>	{
3626	>	CFException ex = new CFException();
3627	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3628		if (!createIncomplete) f.completeExceptionally(ex);
3629	<	final CompletableFuture<Integer> g = m.whenComplete
3630	<	(f,
3631	<	(Integer x, Throwable t) -> {
3632	<	threadAssertNull(x);
3633	<	threadAssertSame(t, ex);
3634	<	a.getAndIncrement();
3635	<	});
3636	<	if (createIncomplete) f.completeExceptionally(ex);
2841	<	checkCompletedWithWrappedCFException(f, ex);
2842	<	checkCompletedWithWrappedCFException(g, ex);
2843	<	assertEquals(1, a.get());
3629	>	CompletableFuture<Integer> g = f.copy();
3630	>	if (createIncomplete) {
3631	>	checkIncomplete(f);
3632	>	checkIncomplete(g);
3633	>	f.completeExceptionally(ex);
3634	>	}
3635	>	checkCompletedExceptionally(f, ex);
3636	>	checkCompletedWithWrappedException(g, ex);
3637		}}
3638
3639		/**
3640	<	* whenComplete action executes on cancelled source, propagating
2848	<	* CancellationException.
3640	>	* Completion of a copy does not complete its source.
3641		*/
3642	<	public void testWhenComplete_sourceCancelled() {
3642	>	public void testCopy_oneWayPropagation() {
3643	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3644	>	assertTrue(f.copy().complete(1));
3645	>	assertTrue(f.copy().complete(null));
3646	>	assertTrue(f.copy().cancel(true));
3647	>	assertTrue(f.copy().cancel(false));
3648	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3649	>	checkIncomplete(f);
3650	>	}
3651	>
3652	>	/**
3653	>	* minimalCompletionStage returns a CompletableFuture that is
3654	>	* completed normally, with the same value, when source is.
3655	>	*/
3656	>	public void testMinimalCompletionStage() {
3657	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3658	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3659	>	AtomicInteger x = new AtomicInteger(0);
3660	>	AtomicReference<Throwable> r = new AtomicReference<>();
3661	>	checkIncomplete(f);
3662	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3663	>	f.complete(1);
3664	>	checkCompletedNormally(f, 1);
3665	>	assertEquals(x.get(), 1);
3666	>	assertNull(r.get());
3667	>	}
3668	>
3669	>	/**
3670	>	* minimalCompletionStage returns a CompletableFuture that is
3671	>	* completed exceptionally when source is.
3672	>	*/
3673	>	public void testMinimalCompletionStage2() {
3674	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3675	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3676	>	AtomicInteger x = new AtomicInteger(0);
3677	>	AtomicReference<Throwable> r = new AtomicReference<>();
3678	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3679	>	checkIncomplete(f);
3680	>	CFException ex = new CFException();
3681	>	f.completeExceptionally(ex);
3682	>	checkCompletedExceptionally(f, ex);
3683	>	assertEquals(x.get(), 0);
3684	>	assertEquals(r.get().getCause(), ex);
3685	>	}
3686	>
3687	>	/**
3688	>	* failedStage returns a CompletionStage completed
3689	>	* exceptionally with the given Exception
3690	>	*/
3691	>	public void testFailedStage() {
3692	>	CFException ex = new CFException();
3693	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3694	>	AtomicInteger x = new AtomicInteger(0);
3695	>	AtomicReference<Throwable> r = new AtomicReference<>();
3696	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3697	>	assertEquals(x.get(), 0);
3698	>	assertEquals(r.get(), ex);
3699	>	}
3700	>
3701	>	/**
3702	>	* completeAsync completes with value of given supplier
3703	>	*/
3704	>	public void testCompleteAsync() {
3705	>	for (Integer v1 : new Integer[] { 1, null })
3706	>	{
3707	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3708	>	f.completeAsync(() -> v1);
3709	>	f.join();
3710	>	checkCompletedNormally(f, v1);
3711	>	}}
3712	>
3713	>	/**
3714	>	* completeAsync completes exceptionally if given supplier throws
3715	>	*/
3716	>	public void testCompleteAsync2() {
3717	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3718	>	CFException ex = new CFException();
3719	>	f.completeAsync(() -> { throw ex; });
3720	>	try {
3721	>	f.join();
3722	>	shouldThrow();
3723	>	} catch (CompletionException success) {}
3724	>	checkCompletedWithWrappedException(f, ex);
3725	>	}
3726	>
3727	>	/**
3728	>	* completeAsync with given executor completes with value of given supplier
3729	>	*/
3730	>	public void testCompleteAsync3() {
3731	>	for (Integer v1 : new Integer[] { 1, null })
3732	>	{
3733	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3734	>	ThreadExecutor executor = new ThreadExecutor();
3735	>	f.completeAsync(() -> v1, executor);
3736	>	assertSame(v1, f.join());
3737	>	checkCompletedNormally(f, v1);
3738	>	assertEquals(1, executor.count.get());
3739	>	}}
3740	>
3741	>	/**
3742	>	* completeAsync with given executor completes exceptionally if
3743	>	* given supplier throws
3744	>	*/
3745	>	public void testCompleteAsync4() {
3746	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3747	>	CFException ex = new CFException();
3748	>	ThreadExecutor executor = new ThreadExecutor();
3749	>	f.completeAsync(() -> { throw ex; }, executor);
3750	>	try {
3751	>	f.join();
3752	>	shouldThrow();
3753	>	} catch (CompletionException success) {}
3754	>	checkCompletedWithWrappedException(f, ex);
3755	>	assertEquals(1, executor.count.get());
3756	>	}
3757	>
3758	>	/**
3759	>	* orTimeout completes with TimeoutException if not complete
3760	>	*/
3761	>	public void testOrTimeout_timesOut() {
3762	>	long timeoutMillis = timeoutMillis();
3763	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3764	>	long startTime = System.nanoTime();
3765	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3766	>	checkCompletedWithTimeoutException(f);
3767	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3768	>	}
3769	>
3770	>	/**
3771	>	* orTimeout completes normally if completed before timeout
3772	>	*/
3773	>	public void testOrTimeout_completed() {
3774	>	for (Integer v1 : new Integer[] { 1, null })
3775	>	{
3776	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3777	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3778	>	long startTime = System.nanoTime();
3779	>	f.complete(v1);
3780	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3781	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3782	>	g.complete(v1);
3783	>	checkCompletedNormally(f, v1);
3784	>	checkCompletedNormally(g, v1);
3785	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3786	>	}}
3787	>
3788	>	/**
3789	>	* completeOnTimeout completes with given value if not complete
3790	>	*/
3791	>	public void testCompleteOnTimeout_timesOut() {
3792	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3793	>	() -> testCompleteOnTimeout_timesOut(null));
3794	>	}
3795	>
3796	>	/**
3797	>	* completeOnTimeout completes with given value if not complete
3798	>	*/
3799	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3800	>	long timeoutMillis = timeoutMillis();
3801	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3802	>	long startTime = System.nanoTime();
3803	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3804	>	assertSame(v, f.join());
3805	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3806	>	f.complete(99);         // should have no effect
3807	>	checkCompletedNormally(f, v);
3808	>	}
3809	>
3810	>	/**
3811	>	* completeOnTimeout has no effect if completed within timeout
3812	>	*/
3813	>	public void testCompleteOnTimeout_completed() {
3814	>	for (Integer v1 : new Integer[] { 1, null })
3815	>	{
3816	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3817	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3818	>	long startTime = System.nanoTime();
3819	>	f.complete(v1);
3820	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3821	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3822	>	g.complete(v1);
3823	>	checkCompletedNormally(f, v1);
3824	>	checkCompletedNormally(g, v1);
3825	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3826	>	}}
3827	>
3828	>	/**
3829	>	* delayedExecutor returns an executor that delays submission
3830	>	*/
3831	>	public void testDelayedExecutor() {
3832	>	testInParallel(() -> testDelayedExecutor(null, null),
3833	>	() -> testDelayedExecutor(null, 1),
3834	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3835	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3836	>	}
3837	>
3838	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3839	>	long timeoutMillis = timeoutMillis();
3840	>	// Use an "unreasonably long" long timeout to catch lingering threads
3841	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3842	>	final Executor delayer, longDelayer;
3843	>	if (executor == null) {
3844	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3845	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3846	>	} else {
3847	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3848	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3849	>	}
3850	>	long startTime = System.nanoTime();
3851	>	CompletableFuture<Integer> f =
3852	>	CompletableFuture.supplyAsync(() -> v, delayer);
3853	>	CompletableFuture<Integer> g =
3854	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3855	>
3856	>	assertNull(g.getNow(null));
3857	>
3858	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3859	>	long millisElapsed = millisElapsedSince(startTime);
3860	>	assertTrue(millisElapsed >= timeoutMillis);
3861	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3862	>
3863	>	checkCompletedNormally(f, v);
3864	>
3865	>	checkIncomplete(g);
3866	>	assertTrue(g.cancel(true));
3867	>	}
3868	>
3869	>	//--- tests of implementation details; not part of official tck ---
3870	>
3871	>	Object resultOf(CompletableFuture<?> f) {
3872	>	SecurityManager sm = System.getSecurityManager();
3873	>	if (sm != null) {
3874	>	try {
3875	>	System.setSecurityManager(null);
3876	>	} catch (SecurityException giveUp) {
3877	>	return "Reflection not available";
3878	>	}
3879	>	}
3880	>
3881	>	try {
3882	>	java.lang.reflect.Field resultField
3883	>	= CompletableFuture.class.getDeclaredField("result");
3884	>	resultField.setAccessible(true);
3885	>	return resultField.get(f);
3886	>	} catch (Throwable t) {
3887	>	throw new AssertionError(t);
3888	>	} finally {
3889	>	if (sm != null) System.setSecurityManager(sm);
3890	>	}
3891	>	}
3892	>
3893	>	public void testExceptionPropagationReusesResultObject() {
3894	>	if (!testImplementationDetails) return;
3895		for (ExecutionMode m : ExecutionMode.values())
2852	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2853	–	for (boolean createIncomplete : new boolean[] { true, false })
3896		{
3897	<	final AtomicInteger a = new AtomicInteger(0);
3898	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3899	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2858	<	final CompletableFuture<Integer> g = m.whenComplete
2859	<	(f,
2860	<	(Integer x, Throwable t) -> {
2861	<	threadAssertNull(x);
2862	<	threadAssertTrue(t instanceof CancellationException);
2863	<	a.getAndIncrement();
2864	<	});
2865	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3897	>	final CFException ex = new CFException();
3898	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3899	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3900
3901	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
3902	<	checkCompletedWithWrappedCancellationException(g);
3903	<	checkCancelled(f);
3904	<	assertEquals(1, a.get());
3901	>	final Runnable noopRunnable = new Noop(m);
3902	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3903	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
3904	>
3905	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3906	>	= new ArrayList<>();
3907	>
3908	>	funs.add(y -> m.thenRun(y, noopRunnable));
3909	>	funs.add(y -> m.thenAccept(y, noopConsumer));
3910	>	funs.add(y -> m.thenApply(y, incFunction));
3911	>
3912	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3913	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3914	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3915	>
3916	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3917	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3918	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3919	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3920	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3921	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3922	>
3923	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3924	>
3925	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3926	>
3927	>	funs.add(y -> CompletableFuture.allOf(y));
3928	>	funs.add(y -> CompletableFuture.allOf(y, v42));
3929	>	funs.add(y -> CompletableFuture.allOf(v42, y));
3930	>	funs.add(y -> CompletableFuture.anyOf(y));
3931	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3932	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3933	>
3934	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3935	>	fun : funs) {
3936	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3937	>	f.completeExceptionally(ex);
3938	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3939	>	checkCompletedWithWrappedException(src, ex);
3940	>	CompletableFuture<?> dep = fun.apply(src);
3941	>	checkCompletedWithWrappedException(dep, ex);
3942	>	assertSame(resultOf(src), resultOf(dep));
3943	>	}
3944	>
3945	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3946	>	fun : funs) {
3947	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3948	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3949	>	CompletableFuture<?> dep = fun.apply(src);
3950	>	f.completeExceptionally(ex);
3951	>	checkCompletedWithWrappedException(src, ex);
3952	>	checkCompletedWithWrappedException(dep, ex);
3953	>	assertSame(resultOf(src), resultOf(dep));
3954	>	}
3955	>
3956	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3957	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3958	>	fun : funs) {
3959	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3960	>	f.cancel(mayInterruptIfRunning);
3961	>	checkCancelled(f);
3962	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3963	>	checkCompletedWithWrappedCancellationException(src);
3964	>	CompletableFuture<?> dep = fun.apply(src);
3965	>	checkCompletedWithWrappedCancellationException(dep);
3966	>	assertSame(resultOf(src), resultOf(dep));
3967	>	}
3968	>
3969	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3970	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3971	>	fun : funs) {
3972	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3973	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3974	>	CompletableFuture<?> dep = fun.apply(src);
3975	>	f.cancel(mayInterruptIfRunning);
3976	>	checkCancelled(f);
3977	>	checkCompletedWithWrappedCancellationException(src);
3978	>	checkCompletedWithWrappedCancellationException(dep);
3979	>	assertSame(resultOf(src), resultOf(dep));
3980	>	}
3981		}}
3982
3983		/**
3984	<	* If a whenComplete action throws an exception when triggered by
3985	<	* a normal completion, it completes exceptionally
3984	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3985	>	*/
3986	>	public void testMinimalCompletionStage_minimality() {
3987	>	if (!testImplementationDetails) return;
3988	>	Function<Method, String> toSignature =
3989	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3990	>	Predicate<Method> isNotStatic =
3991	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3992	>	List<Method> minimalMethods =
3993	>	Stream.of(Object.class, CompletionStage.class)
3994	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3995	>	.filter(isNotStatic)
3996	>	.collect(Collectors.toList());
3997	>	// Methods from CompletableFuture permitted NOT to throw UOE
3998	>	String[] signatureWhitelist = {
3999	>	"newIncompleteFuture[]",
4000	>	"defaultExecutor[]",
4001	>	"minimalCompletionStage[]",
4002	>	"copy[]",
4003	>	};
4004	>	Set<String> permittedMethodSignatures =
4005	>	Stream.concat(minimalMethods.stream().map(toSignature),
4006	>	Stream.of(signatureWhitelist))
4007	>	.collect(Collectors.toSet());
4008	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4009	>	.filter(isNotStatic)
4010	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4011	>	.collect(Collectors.toList());
4012	>
4013	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4014	>	CompletionStage<Integer> min =
4015	>	new CompletableFuture<Integer>().minimalCompletionStage();
4016	>	stages.add(min);
4017	>	stages.add(min.thenApply(x -> x));
4018	>	stages.add(CompletableFuture.completedStage(1));
4019	>	stages.add(CompletableFuture.failedStage(new CFException()));
4020	>
4021	>	List<Method> bugs = new ArrayList<>();
4022	>	for (Method method : allMethods) {
4023	>	Class<?>[] parameterTypes = method.getParameterTypes();
4024	>	Object[] args = new Object[parameterTypes.length];
4025	>	// Manufacture boxed primitives for primitive params
4026	>	for (int i = 0; i < args.length; i++) {
4027	>	Class<?> type = parameterTypes[i];
4028	>	if (parameterTypes[i] == boolean.class)
4029	>	args[i] = false;
4030	>	else if (parameterTypes[i] == int.class)
4031	>	args[i] = 0;
4032	>	else if (parameterTypes[i] == long.class)
4033	>	args[i] = 0L;
4034	>	}
4035	>	for (CompletionStage<Integer> stage : stages) {
4036	>	try {
4037	>	method.invoke(stage, args);
4038	>	bugs.add(method);
4039	>	}
4040	>	catch (java.lang.reflect.InvocationTargetException expected) {
4041	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4042	>	bugs.add(method);
4043	>	// expected.getCause().printStackTrace();
4044	>	}
4045	>	}
4046	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4047	>	}
4048	>	}
4049	>	if (!bugs.isEmpty())
4050	>	throw new Error("Methods did not throw UOE: " + bugs);
4051	>	}
4052	>
4053	>	/**
4054	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4055	>	* is completed normally, with the same value, when source is.
4056		*/
4057	<	public void testWhenComplete_actionFailed() {
4057	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4058		for (boolean createIncomplete : new boolean[] { true, false })
2879	–	for (ExecutionMode m : ExecutionMode.values())
4059		for (Integer v1 : new Integer[] { 1, null })
4060		{
4061	<	final AtomicInteger a = new AtomicInteger(0);
4062	<	final CFException ex = new CFException();
4063	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4064	<	if (!createIncomplete) f.complete(v1);
4065	<	final CompletableFuture<Integer> g = m.whenComplete
4066	<	(f,
4067	<	(Integer x, Throwable t) -> {
4068	<	threadAssertSame(x, v1);
4069	<	threadAssertNull(t);
2891	<	a.getAndIncrement();
2892	<	throw ex;
2893	<	});
2894	<	if (createIncomplete) f.complete(v1);
4061	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4062	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4063	>	if (!createIncomplete) assertTrue(f.complete(v1));
4064	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4065	>	if (createIncomplete) {
4066	>	checkIncomplete(f);
4067	>	checkIncomplete(g);
4068	>	assertTrue(f.complete(v1));
4069	>	}
4070		checkCompletedNormally(f, v1);
4071	<	checkCompletedWithWrappedCFException(g, ex);
2897	<	assertEquals(1, a.get());
4071	>	checkCompletedNormally(g, v1);
4072		}}
4073
4074		/**
4075	<	* If a whenComplete action throws an exception when triggered by
4076	<	* a source completion that also throws an exception, the source
2903	<	* exception takes precedence.
4075	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4076	>	* is completed exceptionally when source is.
4077		*/
4078	<	public void testWhenComplete_actionFailedSourceFailed() {
4078	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4079		for (boolean createIncomplete : new boolean[] { true, false })
4080	<	for (ExecutionMode m : ExecutionMode.values())
4080	>	{
4081	>	CFException ex = new CFException();
4082	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4083	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4084	>	if (!createIncomplete) f.completeExceptionally(ex);
4085	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4086	>	if (createIncomplete) {
4087	>	checkIncomplete(f);
4088	>	checkIncomplete(g);
4089	>	f.completeExceptionally(ex);
4090	>	}
4091	>	checkCompletedExceptionally(f, ex);
4092	>	checkCompletedWithWrappedException(g, ex);
4093	>	}}
4094	>
4095	>	/**
4096	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4097	>	*/
4098	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4099		for (Integer v1 : new Integer[] { 1, null })
4100		{
4101	<	final AtomicInteger a = new AtomicInteger(0);
4102	<	final CFException ex1 = new CFException();
4103	<	final CFException ex2 = new CFException();
4104	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4101	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4102	>	CompletionStage minimal = f.minimalCompletionStage();
4103	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4104	>	assertTrue(g.complete(v1));
4105	>	checkCompletedNormally(g, v1);
4106	>	checkIncomplete(f);
4107	>	checkIncomplete(minimal.toCompletableFuture());
4108	>	}}
4109
4110	<	if (!createIncomplete) f.completeExceptionally(ex1);
4111	<	final CompletableFuture<Integer> g = m.whenComplete
4112	<	(f,
4113	<	(Integer x, Throwable t) -> {
4114	<	threadAssertSame(t, ex1);
4115	<	threadAssertNull(x);
4116	<	a.getAndIncrement();
4117	<	throw ex2;
4118	<	});
4119	<	if (createIncomplete) f.completeExceptionally(ex1);
4110	>	/**
4111	>	* minimalStage.toCompletableFuture().join() awaits completion
4112	>	*/
4113	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4114	>	for (boolean createIncomplete : new boolean[] { true, false })
4115	>	for (Integer v1 : new Integer[] { 1, null })
4116	>	{
4117	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4118	>	if (!createIncomplete) assertTrue(f.complete(v1));
4119	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4120	>	if (createIncomplete) assertTrue(f.complete(v1));
4121	>	assertEquals(v1, minimal.toCompletableFuture().join());
4122	>	assertEquals(v1, minimal.toCompletableFuture().get());
4123	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4124	>	}}
4125
4126	<	checkCompletedWithWrappedCFException(f, ex1);
4127	<	checkCompletedWithWrappedCFException(g, ex1);
4128	<	assertEquals(1, a.get());
4126	>	/**
4127	>	* Completion of a toCompletableFuture copy of a minimal stage
4128	>	* does not complete its source.
4129	>	*/
4130	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4131	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4132	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4133	>	assertTrue(g.toCompletableFuture().complete(1));
4134	>	assertTrue(g.toCompletableFuture().complete(null));
4135	>	assertTrue(g.toCompletableFuture().cancel(true));
4136	>	assertTrue(g.toCompletableFuture().cancel(false));
4137	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4138	>	checkIncomplete(g.toCompletableFuture());
4139	>	f.complete(1);
4140	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4141	>	}
4142	>
4143	>	/** Demo utility method for external reliable toCompletableFuture */
4144	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4145	>	CompletableFuture<T> f = new CompletableFuture<>();
4146	>	stage.handle((T t, Throwable ex) -> {
4147	>	if (ex != null) f.completeExceptionally(ex);
4148	>	else f.complete(t);
4149	>	return null;
4150	>	});
4151	>	return f;
4152	>	}
4153	>
4154	>	/** Demo utility method to join a CompletionStage */
4155	>	static <T> T join(CompletionStage<T> stage) {
4156	>	return toCompletableFuture(stage).join();
4157	>	}
4158	>
4159	>	/**
4160	>	* Joining a minimal stage "by hand" works
4161	>	*/
4162	>	public void testMinimalCompletionStage_join_by_hand() {
4163	>	for (boolean createIncomplete : new boolean[] { true, false })
4164	>	for (Integer v1 : new Integer[] { 1, null })
4165	>	{
4166	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4167	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4168	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4169	>	if (!createIncomplete) assertTrue(f.complete(v1));
4170	>	minimal.thenAccept(x -> g.complete(x));
4171	>	if (createIncomplete) assertTrue(f.complete(v1));
4172	>	g.join();
4173	>	checkCompletedNormally(g, v1);
4174	>	checkCompletedNormally(f, v1);
4175	>	assertEquals(v1, join(minimal));
4176		}}
4177
4178	+	static class Monad {
4179	+	static class ZeroException extends RuntimeException {
4180	+	public ZeroException() { super("monadic zero"); }
4181	+	}
4182	+	// "return", "unit"
4183	+	static <T> CompletableFuture<T> unit(T value) {
4184	+	return completedFuture(value);
4185	+	}
4186	+	// monadic zero ?
4187	+	static <T> CompletableFuture<T> zero() {
4188	+	return failedFuture(new ZeroException());
4189	+	}
4190	+	// >=>
4191	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
4192	+	(Function<T, CompletableFuture<U>> f,
4193	+	Function<U, CompletableFuture<V>> g) {
4194	+	return x -> f.apply(x).thenCompose(g);
4195	+	}
4196	+
4197	+	static void assertZero(CompletableFuture<?> f) {
4198	+	try {
4199	+	f.getNow(null);
4200	+	throw new AssertionError("should throw");
4201	+	} catch (CompletionException success) {
4202	+	assertTrue(success.getCause() instanceof ZeroException);
4203	+	}
4204	+	}
4205	+
4206	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
4207	+	CompletableFuture<T> g) {
4208	+	T fval = null, gval = null;
4209	+	Throwable fex = null, gex = null;
4210	+
4211	+	try { fval = f.get(); }
4212	+	catch (ExecutionException ex) { fex = ex.getCause(); }
4213	+	catch (Throwable ex) { fex = ex; }
4214	+
4215	+	try { gval = g.get(); }
4216	+	catch (ExecutionException ex) { gex = ex.getCause(); }
4217	+	catch (Throwable ex) { gex = ex; }
4218	+
4219	+	if (fex != null || gex != null)
4220	+	assertSame(fex.getClass(), gex.getClass());
4221	+	else
4222	+	assertEquals(fval, gval);
4223	+	}
4224	+
4225	+	static class PlusFuture<T> extends CompletableFuture<T> {
4226	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4227	+	}
4228	+
4229	+	/** Implements "monadic plus". */
4230	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4231	+	CompletableFuture<? extends T> g) {
4232	+	PlusFuture<T> plus = new PlusFuture<T>();
4233	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4234	+	try {
4235	+	if (ex == null) {
4236	+	if (plus.complete(result))
4237	+	if (plus.firstFailure.get() != null)
4238	+	plus.firstFailure.set(null);
4239	+	}
4240	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
4241	+	if (plus.isDone())
4242	+	plus.firstFailure.set(null);
4243	+	}
4244	+	else {
4245	+	// first failure has precedence
4246	+	Throwable first = plus.firstFailure.getAndSet(null);
4247	+
4248	+	// may fail with "Self-suppression not permitted"
4249	+	try { first.addSuppressed(ex); }
4250	+	catch (Exception ignored) {}
4251	+
4252	+	plus.completeExceptionally(first);
4253	+	}
4254	+	} catch (Throwable unexpected) {
4255	+	plus.completeExceptionally(unexpected);
4256	+	}
4257	+	};
4258	+	f.whenComplete(action);
4259	+	g.whenComplete(action);
4260	+	return plus;
4261	+	}
4262	+	}
4263	+
4264	+	/**
4265	+	* CompletableFuture is an additive monad - sort of.
4266	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4267	+	*/
4268	+	public void testAdditiveMonad() throws Throwable {
4269	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4270	+	CompletableFuture<Long> zero = Monad.zero();
4271	+
4272	+	// Some mutually non-commutative functions
4273	+	Function<Long, CompletableFuture<Long>> triple
4274	+	= x -> Monad.unit(3 * x);
4275	+	Function<Long, CompletableFuture<Long>> inc
4276	+	= x -> Monad.unit(x + 1);
4277	+
4278	+	// unit is a right identity: m >>= unit === m
4279	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4280	+	inc.apply(5L));
4281	+	// unit is a left identity: (unit x) >>= f === f x
4282	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4283	+	inc.apply(5L));
4284	+
4285	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4286	+	Monad.assertFutureEquals(
4287	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4288	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4289	+
4290	+	// The case for CompletableFuture as an additive monad is weaker...
4291	+
4292	+	// zero is a monadic zero
4293	+	Monad.assertZero(zero);
4294	+
4295	+	// left zero: zero >>= f === zero
4296	+	Monad.assertZero(zero.thenCompose(inc));
4297	+	// right zero: f >>= (\x -> zero) === zero
4298	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4299	+
4300	+	// f plus zero === f
4301	+	Monad.assertFutureEquals(Monad.unit(5L),
4302	+	Monad.plus(Monad.unit(5L), zero));
4303	+	// zero plus f === f
4304	+	Monad.assertFutureEquals(Monad.unit(5L),
4305	+	Monad.plus(zero, Monad.unit(5L)));
4306	+	// zero plus zero === zero
4307	+	Monad.assertZero(Monad.plus(zero, zero));
4308	+	{
4309	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4310	+	Monad.unit(8L));
4311	+	// non-determinism
4312	+	assertTrue(f.get() == 5L || f.get() == 8L);
4313	+	}
4314	+
4315	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4316	+	// f plus godot === f (doesn't wait for godot)
4317	+	Monad.assertFutureEquals(Monad.unit(5L),
4318	+	Monad.plus(Monad.unit(5L), godot));
4319	+	// godot plus f === f (doesn't wait for godot)
4320	+	Monad.assertFutureEquals(Monad.unit(5L),
4321	+	Monad.plus(godot, Monad.unit(5L)));
4322	+	}
4323	+
4324	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4325	+	@SuppressWarnings("FutureReturnValueIgnored")
4326	+	public void testRecursiveChains() throws Throwable {
4327	+	for (ExecutionMode m : ExecutionMode.values())
4328	+	for (boolean addDeadEnds : new boolean[] { true, false })
4329	+	{
4330	+	final int val = 42;
4331	+	final int n = expensiveTests ? 1_000 : 2;
4332	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4333	+	CompletableFuture<Integer> tail = head;
4334	+	for (int i = 0; i < n; i++) {
4335	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4336	+	tail = m.thenApply(tail, v -> v + 1);
4337	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4338	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4339	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4340	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4341	+	}
4342	+	head.complete(val);
4343	+	assertEquals(val + 3 * n, (int) tail.join());
4344	+	}}
4345	+
4346	+	/**
4347	+	* A single CompletableFuture with many dependents.
4348	+	* A demo of scalability - runtime is O(n).
4349	+	*/
4350	+	@SuppressWarnings("FutureReturnValueIgnored")
4351	+	public void testManyDependents() throws Throwable {
4352	+	final int n = expensiveTests ? 1_000_000 : 10;
4353	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4354	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4355	+	final AtomicInteger count = new AtomicInteger(0);
4356	+	for (int i = 0; i < n; i++) {
4357	+	head.thenRun(() -> count.getAndIncrement());
4358	+	head.thenAccept(x -> count.getAndIncrement());
4359	+	head.thenApply(x -> count.getAndIncrement());
4360	+
4361	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4362	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4363	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4364	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4365	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4366	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4367	+
4368	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4369	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4370	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4371	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4372	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4373	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4374	+	}
4375	+	head.complete(null);
4376	+	assertEquals(5 * 3 * n, count.get());
4377	+	}
4378	+
4379	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4380	+	@SuppressWarnings("FutureReturnValueIgnored")
4381	+	public void testCoCompletionGarbageRetention() throws Throwable {
4382	+	final int n = expensiveTests ? 1_000_000 : 10;
4383	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4384	+	CompletableFuture<Integer> f;
4385	+	for (int i = 0; i < n; i++) {
4386	+	f = new CompletableFuture<>();
4387	+	f.runAfterEither(incomplete, () -> {});
4388	+	f.complete(null);
4389	+
4390	+	f = new CompletableFuture<>();
4391	+	f.acceptEither(incomplete, x -> {});
4392	+	f.complete(null);
4393	+
4394	+	f = new CompletableFuture<>();
4395	+	f.applyToEither(incomplete, x -> x);
4396	+	f.complete(null);
4397	+
4398	+	f = new CompletableFuture<>();
4399	+	CompletableFuture.anyOf(f, incomplete);
4400	+	f.complete(null);
4401	+	}
4402	+
4403	+	for (int i = 0; i < n; i++) {
4404	+	f = new CompletableFuture<>();
4405	+	incomplete.runAfterEither(f, () -> {});
4406	+	f.complete(null);
4407	+
4408	+	f = new CompletableFuture<>();
4409	+	incomplete.acceptEither(f, x -> {});
4410	+	f.complete(null);
4411	+
4412	+	f = new CompletableFuture<>();
4413	+	incomplete.applyToEither(f, x -> x);
4414	+	f.complete(null);
4415	+
4416	+	f = new CompletableFuture<>();
4417	+	CompletableFuture.anyOf(incomplete, f);
4418	+	f.complete(null);
4419	+	}
4420	+	}
4421	+
4422	+	/**
4423	+	* Reproduction recipe for:
4424	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4425	+	* 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
4426	+	*/
4427	+	public void testAnyOfGarbageRetention() throws Throwable {
4428	+	for (Integer v : new Integer[] { 1, null })
4429	+	{
4430	+	final int n = expensiveTests ? 100_000 : 10;
4431	+	CompletableFuture<Integer>[] fs
4432	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4433	+	for (int i = 0; i < fs.length; i++)
4434	+	fs[i] = new CompletableFuture<>();
4435	+	fs[fs.length - 1].complete(v);
4436	+	for (int i = 0; i < n; i++)
4437	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4438	+	}}
4439	+
4440	+	/**
4441	+	* Checks for garbage retention with allOf.
4442	+	*
4443	+	* As of 2016-07, fails with OOME:
4444	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4445	+	*/
4446	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4447	+	final int n = expensiveTests ? 100_000 : 10;
4448	+	CompletableFuture<Integer>[] fs
4449	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4450	+	for (int i = 0; i < fs.length; i++)
4451	+	fs[i] = new CompletableFuture<>();
4452	+	for (int i = 0; i < n; i++)
4453	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4454	+	}
4455	+
4456	+	/**
4457	+	* Checks for garbage retention when a dependent future is
4458	+	* cancelled and garbage-collected.
4459	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4460	+	*
4461	+	* As of 2016-07, fails with OOME:
4462	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4463	+	*/
4464	+	public void testCancelledGarbageRetention() throws Throwable {
4465	+	final int n = expensiveTests ? 100_000 : 10;
4466	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4467	+	for (int i = 0; i < n; i++)
4468	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4469	+	}
4470	+
4471	+	/**
4472	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4473	+	* is invoked many times.
4474	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4475	+	*
4476	+	* As of 2016-07, fails with OOME:
4477	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4478	+	*/
4479	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4480	+	final int n = expensiveTests ? 900_000 : 10;
4481	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4482	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4483	+	for (int i = 0; i < n; i++)
4484	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4485	+	}
4486	+
4487	+	//     static <U> U join(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.join();
4493	+	//     }
4494	+
4495	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4496	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4497	+	//         stage.whenComplete((v, ex) -> {
4498	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4499	+	//         });
4500	+	//         return f.isDone();
4501	+	//     }
4502	+
4503	+	//     static <U> U join2(CompletionStage<U> stage) {
4504	+	//         return stage.toCompletableFuture().copy().join();
4505	+	//     }
4506	+
4507	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4508	+	//         return stage.toCompletableFuture().copy().isDone();
4509	+	//     }
4510	+
4511		}

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