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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.43 by jsr166, Mon Jun 2 04:13:54 2014 UTC vs.
Revision 1.197 by jsr166, Sun Jul 22 22:08:49 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;
23	<	import static java.util.concurrent.TimeUnit.SECONDS;
24	<	import java.util.*;
25	<	import java.util.function.Supplier;
26	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
28	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.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 42 | 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) {}
74		catch (Throwable fail) { threadUnexpectedException(fail); }
75		}
76
77	<	<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
78	<	try {
79	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
80	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
81	<	try {
82	<	assertEquals(value, f.join());
83	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
64	<	try {
65	<	assertEquals(value, f.getNow(null));
66	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
77	>	<T> void checkCompletedNormally(CompletableFuture<T> f, T expectedValue) {
78	>	checkTimedGet(f, expectedValue);
79	>
80	>	assertEquals(expectedValue, f.join());
81	>	assertEquals(expectedValue, f.getNow(null));
82	>
83	>	T result = null;
84		try {
85	<	assertEquals(value, f.get());
85	>	result = f.get();
86		} catch (Throwable fail) { threadUnexpectedException(fail); }
87	+	assertEquals(expectedValue, 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 {
84	<	f.join();
85	<	shouldThrow();
86	<	} catch (CompletionException success) {
87	<	assertTrue(success.getCause() instanceof CFException);
88	<	}
89	<	try {
90	<	f.getNow(null);
91	<	shouldThrow();
92	<	} catch (CompletionException success) {
93	<	assertTrue(success.getCause() instanceof CFException);
94	<	}
95	<	try {
96	<	f.get();
97	<	shouldThrow();
98	<	} catch (ExecutionException success) {
99	<	assertTrue(success.getCause() instanceof CFException);
100	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
101	<	assertTrue(f.isDone());
102	<	assertFalse(f.isCancelled());
103	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
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 153 | Line 194 | public class CompletableFutureTest exten
194		shouldThrow();
195		} catch (CancellationException success) {
196		} catch (Throwable fail) { threadUnexpectedException(fail); }
156	–	assertTrue(f.isDone());
157	–	assertTrue(f.isCompletedExceptionally());
158	–	assertTrue(f.isCancelled());
159	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
160	–	}
197
198	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
199	<	try {
164	<	f.get(LONG_DELAY_MS, MILLISECONDS);
165	<	shouldThrow();
166	<	} catch (ExecutionException success) {
167	<	assertTrue(success.getCause() instanceof CancellationException);
168	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
169	<	try {
170	<	f.join();
171	<	shouldThrow();
172	<	} catch (CompletionException success) {
173	<	assertTrue(success.getCause() instanceof CancellationException);
174	<	}
175	<	try {
176	<	f.getNow(null);
177	<	shouldThrow();
178	<	} catch (CompletionException success) {
179	<	assertTrue(success.getCause() instanceof CancellationException);
180	<	}
181	<	try {
182	<	f.get();
183	<	shouldThrow();
184	<	} catch (ExecutionException success) {
185	<	assertTrue(success.getCause() instanceof CancellationException);
186	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
198	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
199	>
200		assertTrue(f.isDone());
188	–	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 204 | 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 216 | 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 226 | 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 238 | 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 247 | Line 268 | public class CompletableFutureTest exten
268		f = new CompletableFuture<>();
269		f.obtrudeValue(three);
270		checkCompletedNormally(f, three);
271	+	f.obtrudeValue(null);
272	+	checkCompletedNormally(f, null);
273		f = new CompletableFuture<>();
274		f.completeExceptionally(new CFException());
275		f.obtrudeValue(four);
#	Line 257 | 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());
288	<	checkCompletedWithWrappedCFException(f);
283	>	for (Integer v1 : new Integer[] { 1, null })
284	>	{
285	>	CFException ex;
286	>	CompletableFuture<Integer> f;
287	>
288	>	f = new CompletableFuture<>();
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	<	f.obtrudeException(new CFException());
297	<	checkCompletedWithWrappedCFException(f);
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(f.getNumberOfDependents(), 0);
322	<	CompletableFuture g = f.thenRun(new Noop());
323	<	assertEquals(f.getNumberOfDependents(), 1);
324	<	assertEquals(g.getNumberOfDependents(), 0);
325	<	CompletableFuture h = f.thenRun(new Noop());
326	<	assertEquals(f.getNumberOfDependents(), 2);
327	<	f.complete(1);
321	>	assertEquals(0, f.getNumberOfDependents());
322	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
323	>	assertEquals(1, f.getNumberOfDependents());
324	>	assertEquals(0, g.getNumberOfDependents());
325	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
326	>	assertEquals(2, f.getNumberOfDependents());
327	>	assertEquals(0, h.getNumberOfDependents());
328	>	assertTrue(f.complete(v1));
329		checkCompletedNormally(g, null);
330	<	assertEquals(f.getNumberOfDependents(), 0);
331	<	assertEquals(g.getNumberOfDependents(), 0);
332	<	}
330	>	checkCompletedNormally(h, null);
331	>	assertEquals(0, f.getNumberOfDependents());
332	>	assertEquals(0, g.getNumberOfDependents());
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 316 | Line 381 | public class CompletableFutureTest exten
381		checkCompletedNormally(f, "test");
382		}
383
384	<	// Choose non-commutative actions for better coverage
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 non-commutative function that handles and produces null values as well.
397	<	static Integer subtract(Integer x, Integer y) {
398	<	return (x == null && y == null) ? null :
399	<	((x == null) ? 42 : x.intValue())
400	<	- ((y == null) ? 99 : y.intValue());
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 class IntegerSupplier extends CheckedAction
406	>	implements Supplier<Integer>
407	>	{
408	>	final Integer value;
409	>	IntegerSupplier(ExecutionMode m, Integer value) {
410	>	super(m);
411	>	this.value = value;
412	>	}
413	>	public Integer get() {
414	>	invoked();
415	>	return value;
416	>	}
417		}
418
419		// A function that handles and produces null values as well.
#	Line 330 | Line 421 | public class CompletableFutureTest exten
421		return (x == null) ? null : x + 1;
422		}
423
424	<	static final Supplier<Integer> supplyOne =
425	<	() -> Integer.valueOf(1);
426	<	static final Function<Integer, Integer> inc =
427	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
337	<	static final BiFunction<Integer, Integer, Integer> subtract =
338	<	(Integer x, Integer y) -> subtract(x, y);
339	<	static final class IncAction implements Consumer<Integer> {
340	<	int invocationCount = 0;
341	<	Integer value;
342	<	public boolean ran() { return invocationCount == 1; }
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	<	int invocationCount = 0;
435	<	Integer value;
436	<	public boolean ran() { return invocationCount == 1; }
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	<	invocationCount++;
439	>	invoked();
440		return value = inc(x);
441		}
442		}
443	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
444	<	int invocationCount = 0;
445	<	Integer value;
446	<	// Check this action was invoked exactly once when result is computed.
447	<	public boolean ran() { return invocationCount == 1; }
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	<	invocationCount++;
457	>	invoked();
458		value = subtract(x, y);
459		}
460		}
461	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
462	<	int invocationCount = 0;
463	<	Integer value;
464	<	// Check this action was invoked exactly once when result is computed.
465	<	public boolean ran() { return invocationCount == 1; }
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	<	invocationCount++;
467	>	invoked();
468		return value = subtract(x, y);
469		}
470		}
471	<	static final class Noop implements Runnable {
472	<	int invocationCount = 0;
473	<	boolean ran;
471	>
472	>	static class Noop extends CheckedAction implements Runnable {
473	>	Noop(ExecutionMode m) { super(m); }
474		public void run() {
475	<	invocationCount++;
382	<	ran = true;
475	>	invoked();
476		}
477		}
478
479	<	static final class FailingSupplier implements Supplier<Integer> {
480	<	boolean ran;
481	<	public Integer get() { ran = true; throw new CFException(); }
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	>	invoked();
486	>	throw ex;
487	>	}
488		}
489	<	static final class FailingConsumer implements Consumer<Integer> {
490	<	boolean ran;
491	<	public void accept(Integer x) { ran = true; throw new CFException(); }
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	>	invoked();
497	>	value = x;
498	>	throw ex;
499	>	}
500		}
501	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
502	<	boolean ran;
503	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
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	>	invoked();
509	>	value = subtract(x, y);
510	>	throw ex;
511	>	}
512		}
513	<	static final class FailingFunction implements Function<Integer, Integer> {
514	<	boolean ran;
515	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
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	>	invoked();
521	>	value = x;
522	>	throw ex;
523	>	}
524		}
525	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
526	<	boolean ran;
527	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
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	>	invoked();
533	>	value = subtract(x, y);
534	>	throw ex;
535	>	}
536		}
537	<	static final class FailingNoop implements Runnable {
538	<	boolean ran;
539	<	public void run() { ran = true; throw new CFException(); }
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	>	invoked();
543	>	throw ex;
544	>	}
545		}
546
547	<	static final class CompletableFutureInc
548	<	implements Function<Integer, CompletableFuture<Integer>> {
549	<	boolean ran;
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	<	ran = true;
552	>	invoked();
553	>	value = x;
554		CompletableFuture<Integer> f = new CompletableFuture<>();
555	<	f.complete(Integer.valueOf(x.intValue() + 1));
555	>	assertTrue(f.complete(inc(x)));
556		return f;
557		}
558		}
559
560	<	static final class FailingCompletableFutureFunction
561	<	implements Function<Integer, CompletableFuture<Integer>> {
562	<	boolean ran;
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	<	ran = true; throw new CFException();
566	>	invoked();
567	>	value = x;
568	>	throw ex;
569		}
570		}
571
572	<	// Used for explicit executor tests
573	<	static final class ThreadExecutor implements Executor {
574	<	AtomicInteger count = new AtomicInteger(0);
433	<
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	<	new Thread(r).start();
577	>	throw ex;
578		}
579		}
580
581	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
582	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
583	<	}
581	>	// Used for explicit executor tests
582	>	static final class ThreadExecutor implements Executor {
583	>	final AtomicInteger count = new AtomicInteger(0);
584	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
585	>	static boolean startedCurrentThread() {
586	>	return Thread.currentThread().getThreadGroup() == tg;
587	>	}
588
589	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
590	<	boolean ran;
591	<	public Integer apply(Integer x, Throwable t) {
447	<	ran = true;
448	<	return (t == null) ? two : three;
589	>	public void execute(Runnable r) {
590	>	count.getAndIncrement();
591	>	new Thread(tg, r).start();
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) {
609	>	throw new UnsupportedOperationException();
610	>	}
611	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
612	>	throw new UnsupportedOperationException();
613	>	}
614	>	public <T> CompletableFuture<Void> thenRun
615	>	(CompletableFuture<T> f, Runnable a) {
616	>	return f.thenRun(a);
617	>	}
618	>	public <T> CompletableFuture<Void> thenAccept
619	>	(CompletableFuture<T> f, Consumer<? super T> a) {
620	>	return f.thenAccept(a);
621	>	}
622	>	public <T,U> CompletableFuture<U> thenApply
623	>	(CompletableFuture<T> f, Function<? super T,U> a) {
624	>	return f.thenApply(a);
625	>	}
626	>	public <T,U> CompletableFuture<U> thenCompose
627	>	(CompletableFuture<T> f,
628	>	Function<? super T,? extends CompletionStage<U>> a) {
629	>	return f.thenCompose(a);
630	>	}
631	>	public <T,U> CompletableFuture<U> handle
632	>	(CompletableFuture<T> f,
633	>	BiFunction<? super T,Throwable,? extends U> a) {
634	>	return f.handle(a);
635	>	}
636	>	public <T> CompletableFuture<T> whenComplete
637	>	(CompletableFuture<T> f,
638	>	BiConsumer<? super T,? super Throwable> a) {
639	>	return f.whenComplete(a);
640	>	}
641		public <T,U> CompletableFuture<Void> runAfterBoth
642		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
643		return f.runAfterBoth(g, a);
#	Line 471 | Line 654 | public class CompletableFutureTest exten
654		BiFunction<? super T,? super U,? extends V> a) {
655		return f.thenCombine(g, a);
656		}
657	<	public <T,U> CompletableFuture<U> applyToEither
657	>	public <T> CompletableFuture<Void> runAfterEither
658		(CompletableFuture<T> f,
659	<	CompletionStage<? extends T> g,
660	<	Function<? super T,U> a) {
661	<	return f.applyToEither(g, a);
659	>	CompletionStage<?> g,
660	>	java.lang.Runnable a) {
661	>	return f.runAfterEither(g, a);
662		}
663		public <T> CompletableFuture<Void> acceptEither
664		(CompletableFuture<T> f,
#	Line 483 | Line 666 | public class CompletableFutureTest exten
666		Consumer<? super T> a) {
667		return f.acceptEither(g, a);
668		}
669	<	public <T> CompletableFuture<Void> runAfterEither
669	>	public <T,U> CompletableFuture<U> applyToEither
670		(CompletableFuture<T> f,
671	<	CompletionStage<?> g,
672	<	java.lang.Runnable a) {
673	<	return f.runAfterEither(g, a);
671	>	CompletionStage<? extends T> g,
672	>	Function<? super T,U> a) {
673	>	return f.applyToEither(g, a);
674	>	}
675	>	},
676	>
677	>	ASYNC {
678	>	public void checkExecutionMode() {
679	>	assertEquals(defaultExecutorIsCommonPool,
680	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
681	>	}
682	>	public CompletableFuture<Void> runAsync(Runnable a) {
683	>	return CompletableFuture.runAsync(a);
684	>	}
685	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
686	>	return CompletableFuture.supplyAsync(a);
687	>	}
688	>	public <T> CompletableFuture<Void> thenRun
689	>	(CompletableFuture<T> f, Runnable a) {
690	>	return f.thenRunAsync(a);
691	>	}
692	>	public <T> CompletableFuture<Void> thenAccept
693	>	(CompletableFuture<T> f, Consumer<? super T> a) {
694	>	return f.thenAcceptAsync(a);
695	>	}
696	>	public <T,U> CompletableFuture<U> thenApply
697	>	(CompletableFuture<T> f, Function<? super T,U> a) {
698	>	return f.thenApplyAsync(a);
699		}
700		public <T,U> CompletableFuture<U> thenCompose
701		(CompletableFuture<T> f,
702		Function<? super T,? extends CompletionStage<U>> a) {
703	<	return f.thenCompose(a);
703	>	return f.thenComposeAsync(a);
704	>	}
705	>	public <T,U> CompletableFuture<U> handle
706	>	(CompletableFuture<T> f,
707	>	BiFunction<? super T,Throwable,? extends U> a) {
708	>	return f.handleAsync(a);
709		}
710		public <T> CompletableFuture<T> whenComplete
711		(CompletableFuture<T> f,
712		BiConsumer<? super T,? super Throwable> a) {
713	<	return f.whenComplete(a);
713	>	return f.whenCompleteAsync(a);
714		}
502	–	},
503	–
504	–	//             /** Experimental way to do more testing */
505	–	//         REVERSE_DEFAULT {
506	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
507	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
508	–	//                 return g.runAfterBoth(f, a);
509	–	//             }
510	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
511	–	//                 (CompletableFuture<T> f,
512	–	//                  CompletionStage<? extends U> g,
513	–	//                  BiConsumer<? super T,? super U> a) {
514	–	//                 return DEFAULT.thenAcceptBoth(f, g, a);
515	–	//             }
516	–	//         },
517	–
518	–	DEFAULT_ASYNC {
715		public <T,U> CompletableFuture<Void> runAfterBoth
716		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
717		return f.runAfterBothAsync(g, a);
#	Line 532 | Line 728 | public class CompletableFutureTest exten
728		BiFunction<? super T,? super U,? extends V> a) {
729		return f.thenCombineAsync(g, a);
730		}
731	<	public <T,U> CompletableFuture<U> applyToEither
731	>	public <T> CompletableFuture<Void> runAfterEither
732		(CompletableFuture<T> f,
733	<	CompletionStage<? extends T> g,
734	<	Function<? super T,U> a) {
735	<	return f.applyToEitherAsync(g, a);
733	>	CompletionStage<?> g,
734	>	java.lang.Runnable a) {
735	>	return f.runAfterEitherAsync(g, a);
736		}
737		public <T> CompletableFuture<Void> acceptEither
738		(CompletableFuture<T> f,
#	Line 544 | Line 740 | public class CompletableFutureTest exten
740		Consumer<? super T> a) {
741		return f.acceptEitherAsync(g, a);
742		}
743	<	public <T> CompletableFuture<Void> runAfterEither
743	>	public <T,U> CompletableFuture<U> applyToEither
744		(CompletableFuture<T> f,
745	<	CompletionStage<?> g,
746	<	java.lang.Runnable a) {
747	<	return f.runAfterEitherAsync(g, a);
745	>	CompletionStage<? extends T> g,
746	>	Function<? super T,U> a) {
747	>	return f.applyToEitherAsync(g, a);
748	>	}
749	>	},
750	>
751	>	EXECUTOR {
752	>	public void checkExecutionMode() {
753	>	assertTrue(ThreadExecutor.startedCurrentThread());
754	>	}
755	>	public CompletableFuture<Void> runAsync(Runnable a) {
756	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
757	>	}
758	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
759	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
760	>	}
761	>	public <T> CompletableFuture<Void> thenRun
762	>	(CompletableFuture<T> f, Runnable a) {
763	>	return f.thenRunAsync(a, new ThreadExecutor());
764	>	}
765	>	public <T> CompletableFuture<Void> thenAccept
766	>	(CompletableFuture<T> f, Consumer<? super T> a) {
767	>	return f.thenAcceptAsync(a, new ThreadExecutor());
768	>	}
769	>	public <T,U> CompletableFuture<U> thenApply
770	>	(CompletableFuture<T> f, Function<? super T,U> a) {
771	>	return f.thenApplyAsync(a, new ThreadExecutor());
772		}
773		public <T,U> CompletableFuture<U> thenCompose
774		(CompletableFuture<T> f,
775		Function<? super T,? extends CompletionStage<U>> a) {
776	<	return f.thenComposeAsync(a);
776	>	return f.thenComposeAsync(a, new ThreadExecutor());
777	>	}
778	>	public <T,U> CompletableFuture<U> handle
779	>	(CompletableFuture<T> f,
780	>	BiFunction<? super T,Throwable,? extends U> a) {
781	>	return f.handleAsync(a, new ThreadExecutor());
782		}
783		public <T> CompletableFuture<T> whenComplete
784		(CompletableFuture<T> f,
785		BiConsumer<? super T,? super Throwable> a) {
786	<	return f.whenCompleteAsync(a);
786	>	return f.whenCompleteAsync(a, new ThreadExecutor());
787		}
563	–	},
564	–
565	–	//         REVERSE_DEFAULT_ASYNC {
566	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
567	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
568	–	//                 return f.runAfterBothAsync(g, a);
569	–	//             }
570	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
571	–	//                 (CompletableFuture<T> f,
572	–	//                  CompletionStage<? extends U> g,
573	–	//                  BiConsumer<? super T,? super U> a) {
574	–	//                 return DEFAULT_ASYNC.thenAcceptBoth(f, g, a);
575	–	//             }
576	–	//         },
577	–
578	–	EXECUTOR {
788		public <T,U> CompletableFuture<Void> runAfterBoth
789		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
790		return f.runAfterBothAsync(g, a, new ThreadExecutor());
#	Line 592 | Line 801 | public class CompletableFutureTest exten
801		BiFunction<? super T,? super U,? extends V> a) {
802		return f.thenCombineAsync(g, a, new ThreadExecutor());
803		}
595	–	public <T,U> CompletableFuture<U> applyToEither
596	–	(CompletableFuture<T> f,
597	–	CompletionStage<? extends T> g,
598	–	Function<? super T,U> a) {
599	–	return f.applyToEitherAsync(g, a, new ThreadExecutor());
600	–	}
601	–	public <T> CompletableFuture<Void> acceptEither
602	–	(CompletableFuture<T> f,
603	–	CompletionStage<? extends T> g,
604	–	Consumer<? super T> a) {
605	–	return f.acceptEitherAsync(g, a, new ThreadExecutor());
606	–	}
804		public <T> CompletableFuture<Void> runAfterEither
805		(CompletableFuture<T> f,
806		CompletionStage<?> g,
807		java.lang.Runnable a) {
808		return f.runAfterEitherAsync(g, a, new ThreadExecutor());
809		}
810	<	public <T,U> CompletableFuture<U> thenCompose
810	>	public <T> CompletableFuture<Void> acceptEither
811		(CompletableFuture<T> f,
812	<	Function<? super T,? extends CompletionStage<U>> a) {
813	<	return f.thenComposeAsync(a, new ThreadExecutor());
812	>	CompletionStage<? extends T> g,
813	>	Consumer<? super T> a) {
814	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
815		}
816	<	public <T> CompletableFuture<T> whenComplete
816	>	public <T,U> CompletableFuture<U> applyToEither
817		(CompletableFuture<T> f,
818	<	BiConsumer<? super T,? super Throwable> a) {
819	<	return f.whenCompleteAsync(a, new ThreadExecutor());
818	>	CompletionStage<? extends T> g,
819	>	Function<? super T,U> a) {
820	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
821		}
822		};
823
824	+	public abstract void checkExecutionMode();
825	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
826	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
827	+	public abstract <T> CompletableFuture<Void> thenRun
828	+	(CompletableFuture<T> f, Runnable a);
829	+	public abstract <T> CompletableFuture<Void> thenAccept
830	+	(CompletableFuture<T> f, Consumer<? super T> a);
831	+	public abstract <T,U> CompletableFuture<U> thenApply
832	+	(CompletableFuture<T> f, Function<? super T,U> a);
833	+	public abstract <T,U> CompletableFuture<U> thenCompose
834	+	(CompletableFuture<T> f,
835	+	Function<? super T,? extends CompletionStage<U>> a);
836	+	public abstract <T,U> CompletableFuture<U> handle
837	+	(CompletableFuture<T> f,
838	+	BiFunction<? super T,Throwable,? extends U> a);
839	+	public abstract <T> CompletableFuture<T> whenComplete
840	+	(CompletableFuture<T> f,
841	+	BiConsumer<? super T,? super Throwable> a);
842		public abstract <T,U> CompletableFuture<Void> runAfterBoth
843		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
844		public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
#	Line 632 | Line 849 | public class CompletableFutureTest exten
849		(CompletableFuture<T> f,
850		CompletionStage<? extends U> g,
851		BiFunction<? super T,? super U,? extends V> a);
635	–	public abstract <T,U> CompletableFuture<U> applyToEither
636	–	(CompletableFuture<T> f,
637	–	CompletionStage<? extends T> g,
638	–	Function<? super T,U> a);
639	–	public abstract <T> CompletableFuture<Void> acceptEither
640	–	(CompletableFuture<T> f,
641	–	CompletionStage<? extends T> g,
642	–	Consumer<? super T> a);
852		public abstract <T> CompletableFuture<Void> runAfterEither
853		(CompletableFuture<T> f,
854		CompletionStage<?> g,
855		java.lang.Runnable a);
856	<	public abstract <T,U> CompletableFuture<U> thenCompose
856	>	public abstract <T> CompletableFuture<Void> acceptEither
857		(CompletableFuture<T> f,
858	<	Function<? super T,? extends CompletionStage<U>> a);
859	<	public abstract <T> CompletableFuture<T> whenComplete
858	>	CompletionStage<? extends T> g,
859	>	Consumer<? super T> a);
860	>	public abstract <T,U> CompletableFuture<U> applyToEither
861		(CompletableFuture<T> f,
862	<	BiConsumer<? super T,? super Throwable> a);
863	<
654	<
655	<	}
656	<
657	<	/**
658	<	* exceptionally action completes with function value on source
659	<	* exception; otherwise with source value
660	<	*/
661	<	public void testExceptionally() {
662	<	CompletableFuture<Integer> f = new CompletableFuture<>();
663	<	ExceptionToInteger r = new ExceptionToInteger();
664	<	CompletableFuture<Integer> g = f.exceptionally(r);
665	<	f.completeExceptionally(new CFException());
666	<	checkCompletedNormally(g, three);
667	<
668	<	f = new CompletableFuture<>();
669	<	r = new ExceptionToInteger();
670	<	g = f.exceptionally(r);
671	<	f.complete(one);
672	<	checkCompletedNormally(g, one);
673	<	}
674	<
675	<	/**
676	<	* handle action completes normally with function value on either
677	<	* normal or exceptional completion of source
678	<	*/
679	<	public void testHandle() {
680	<	CompletableFuture<Integer> f, g;
681	<	IntegerHandler r;
682	<
683	<	f = new CompletableFuture<>();
684	<	f.completeExceptionally(new CFException());
685	<	g = f.handle(r = new IntegerHandler());
686	<	assertTrue(r.ran);
687	<	checkCompletedNormally(g, three);
688	<
689	<	f = new CompletableFuture<>();
690	<	g = f.handle(r = new IntegerHandler());
691	<	assertFalse(r.ran);
692	<	f.completeExceptionally(new CFException());
693	<	checkCompletedNormally(g, three);
694	<	assertTrue(r.ran);
695	<
696	<	f = new CompletableFuture<>();
697	<	f.complete(one);
698	<	g = f.handle(r = new IntegerHandler());
699	<	assertTrue(r.ran);
700	<	checkCompletedNormally(g, two);
701	<
702	<	f = new CompletableFuture<>();
703	<	g = f.handle(r = new IntegerHandler());
704	<	assertFalse(r.ran);
705	<	f.complete(one);
706	<	assertTrue(r.ran);
707	<	checkCompletedNormally(g, two);
708	<	}
709	<
710	<	/**
711	<	* runAsync completes after running Runnable
712	<	*/
713	<	public void testRunAsync() {
714	<	Noop r = new Noop();
715	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
716	<	assertNull(f.join());
717	<	assertTrue(r.ran);
718	<	checkCompletedNormally(f, null);
719	<	}
720	<
721	<	/**
722	<	* runAsync with executor completes after running Runnable
723	<	*/
724	<	public void testRunAsync2() {
725	<	Noop r = new Noop();
726	<	ThreadExecutor exec = new ThreadExecutor();
727	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
728	<	assertNull(f.join());
729	<	assertTrue(r.ran);
730	<	checkCompletedNormally(f, null);
731	<	assertEquals(1, exec.count.get());
732	<	}
733	<
734	<	/**
735	<	* failing runAsync completes exceptionally after running Runnable
736	<	*/
737	<	public void testRunAsync3() {
738	<	FailingNoop r = new FailingNoop();
739	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
740	<	checkCompletedWithWrappedCFException(f);
741	<	assertTrue(r.ran);
862	>	CompletionStage<? extends T> g,
863	>	Function<? super T,U> a);
864		}
865
866		/**
867	<	* supplyAsync completes with result of supplier
867	>	* exceptionally action is not invoked when source completes
868	>	* normally, and source result is propagated
869		*/
870	<	public void testSupplyAsync() {
871	<	CompletableFuture<Integer> f;
872	<	f = CompletableFuture.supplyAsync(supplyOne);
873	<	assertEquals(f.join(), one);
874	<	checkCompletedNormally(f, one);
875	<	}
870	>	public void testExceptionally_normalCompletion() {
871	>	for (boolean createIncomplete : new boolean[] { true, false })
872	>	for (Integer v1 : new Integer[] { 1, null })
873	>	{
874	>	final AtomicInteger a = new AtomicInteger(0);
875	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
876	>	if (!createIncomplete) assertTrue(f.complete(v1));
877	>	final CompletableFuture<Integer> g = f.exceptionally
878	>	((Throwable t) -> {
879	>	a.getAndIncrement();
880	>	threadFail("should not be called");
881	>	return null;            // unreached
882	>	});
883	>	if (createIncomplete) assertTrue(f.complete(v1));
884
885	<	/**
886	<	* supplyAsync with executor completes with result of supplier
887	<	*/
888	<	public void testSupplyAsync2() {
758	<	CompletableFuture<Integer> f;
759	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
760	<	assertEquals(f.join(), one);
761	<	checkCompletedNormally(f, one);
762	<	}
885	>	checkCompletedNormally(g, v1);
886	>	checkCompletedNormally(f, v1);
887	>	assertEquals(0, a.get());
888	>	}}
889
890		/**
891	<	* Failing supplyAsync completes exceptionally
891	>	* exceptionally action completes with function value on source
892	>	* exception
893		*/
894	<	public void testSupplyAsync3() {
895	<	FailingSupplier r = new FailingSupplier();
896	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
897	<	checkCompletedWithWrappedCFException(f);
898	<	assertTrue(r.ran);
899	<	}
894	>	public void testExceptionally_exceptionalCompletion() {
895	>	for (boolean createIncomplete : new boolean[] { true, false })
896	>	for (Integer v1 : new Integer[] { 1, null })
897	>	{
898	>	final AtomicInteger a = new AtomicInteger(0);
899	>	final CFException ex = new CFException();
900	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
901	>	if (!createIncomplete) f.completeExceptionally(ex);
902	>	final CompletableFuture<Integer> g = f.exceptionally
903	>	((Throwable t) -> {
904	>	ExecutionMode.SYNC.checkExecutionMode();
905	>	threadAssertSame(t, ex);
906	>	a.getAndIncrement();
907	>	return v1;
908	>	});
909	>	if (createIncomplete) f.completeExceptionally(ex);
910
911	<	// seq completion methods
911	>	checkCompletedNormally(g, v1);
912	>	assertEquals(1, a.get());
913	>	}}
914
915		/**
916	<	* thenRun result completes normally after normal completion of source
916	>	* If an "exceptionally action" throws an exception, it completes
917	>	* exceptionally with that exception
918		*/
919	<	public void testThenRun() {
920	<	CompletableFuture<Integer> f;
921	<	CompletableFuture<Void> g;
922	<	Noop r;
923	<
924	<	f = new CompletableFuture<>();
925	<	g = f.thenRun(r = new Noop());
926	<	f.complete(null);
927	<	checkCompletedNormally(g, null);
928	<	assertTrue(r.ran);
919	>	public void testExceptionally_exceptionalCompletionActionFailed() {
920	>	for (boolean createIncomplete : new boolean[] { true, false })
921	>	{
922	>	final AtomicInteger a = new AtomicInteger(0);
923	>	final CFException ex1 = new CFException();
924	>	final CFException ex2 = new CFException();
925	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
926	>	if (!createIncomplete) f.completeExceptionally(ex1);
927	>	final CompletableFuture<Integer> g = f.exceptionally
928	>	((Throwable t) -> {
929	>	ExecutionMode.SYNC.checkExecutionMode();
930	>	threadAssertSame(t, ex1);
931	>	a.getAndIncrement();
932	>	throw ex2;
933	>	});
934	>	if (createIncomplete) f.completeExceptionally(ex1);
935
936	<	f = new CompletableFuture<>();
937	<	f.complete(null);
938	<	g = f.thenRun(r = new Noop());
939	<	checkCompletedNormally(g, null);
794	<	assertTrue(r.ran);
795	<	}
936	>	checkCompletedWithWrappedException(g, ex2);
937	>	checkCompletedExceptionally(f, ex1);
938	>	assertEquals(1, a.get());
939	>	}}
940
941		/**
942	<	* thenRun result completes exceptionally after exceptional
943	<	* completion of source
942	>	* whenComplete action executes on normal completion, propagating
943	>	* source result.
944		*/
945	<	public void testThenRun2() {
946	<	CompletableFuture<Integer> f;
947	<	CompletableFuture<Void> g;
948	<	Noop r;
949	<
950	<	f = new CompletableFuture<>();
951	<	g = f.thenRun(r = new Noop());
952	<	f.completeExceptionally(new CFException());
953	<	checkCompletedWithWrappedCFException(g);
954	<	assertFalse(r.ran);
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	<	f = new CompletableFuture<>();
964	<	f.completeExceptionally(new CFException());
965	<	g = f.thenRun(r = new Noop());
966	<	checkCompletedWithWrappedCFException(g);
816	<	assertFalse(r.ran);
817	<	}
963	>	checkCompletedNormally(g, v1);
964	>	checkCompletedNormally(f, v1);
965	>	assertEquals(1, a.get());
966	>	}}
967
968		/**
969	<	* thenRun result completes exceptionally if action does
969	>	* whenComplete action executes on exceptional completion, propagating
970	>	* source result.
971		*/
972	<	public void testThenRun3() {
973	<	CompletableFuture<Integer> f;
974	<	CompletableFuture<Void> g;
975	<	FailingNoop r;
976	<
977	<	f = new CompletableFuture<>();
978	<	g = f.thenRun(r = new FailingNoop());
979	<	f.complete(null);
980	<	checkCompletedWithWrappedCFException(g);
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	<	f = new CompletableFuture<>();
991	<	f.complete(null);
992	<	g = f.thenRun(r = new FailingNoop());
993	<	checkCompletedWithWrappedCFException(g);
836	<	}
990	>	checkCompletedWithWrappedException(g, ex);
991	>	checkCompletedExceptionally(f, ex);
992	>	assertEquals(1, a.get());
993	>	}}
994
995		/**
996	<	* thenRun result completes exceptionally if source cancelled
996	>	* whenComplete action executes on cancelled source, propagating
997	>	* CancellationException.
998		*/
999	<	public void testThenRun4() {
1000	<	CompletableFuture<Integer> f;
1001	<	CompletableFuture<Void> g;
1002	<	Noop r;
1003	<
1004	<	f = new CompletableFuture<>();
1005	<	g = f.thenRun(r = new Noop());
1006	<	assertTrue(f.cancel(true));
1007	<	checkCompletedWithWrappedCancellationException(g);
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
851	–	f = new CompletableFuture<>();
852	–	assertTrue(f.cancel(true));
853	–	g = f.thenRun(r = new Noop());
1017		checkCompletedWithWrappedCancellationException(g);
1018	<	}
1018	>	checkCancelled(f);
1019	>	assertEquals(1, a.get());
1020	>	}}
1021
1022		/**
1023	<	* thenApply result completes normally after normal completion of source
1023	>	* If a whenComplete action throws an exception when triggered by
1024	>	* a normal completion, it completes exceptionally
1025		*/
1026	<	public void testThenApply() {
1027	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1028	<	CompletableFuture<Integer> g = f.thenApply(inc);
1029	<	f.complete(one);
1030	<	checkCompletedNormally(g, two);
1031	<	}
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	<	/**
1047	<	* thenApply result completes exceptionally after exceptional
1048	<	* completion of source
1049	<	*/
871	<	public void testThenApply2() {
872	<	CompletableFuture<Integer> f = new CompletableFuture<>();
873	<	CompletableFuture<Integer> g = f.thenApply(inc);
874	<	f.completeExceptionally(new CFException());
875	<	checkCompletedWithWrappedCFException(g);
876	<	}
1046	>	checkCompletedWithWrappedException(g, ex);
1047	>	checkCompletedNormally(f, v1);
1048	>	assertEquals(1, a.get());
1049	>	}}
1050
1051		/**
1052	<	* thenApply result completes exceptionally if action does
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 testThenApply3() {
1057	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1058	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1059	<	f.complete(one);
1060	<	checkCompletedWithWrappedCFException(g);
1061	<	}
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	<	/**
1066	<	* thenApply result completes exceptionally if source cancelled
1067	<	*/
1068	<	public void testThenApply4() {
1069	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1070	<	CompletableFuture<Integer> g = f.thenApply(inc);
1071	<	assertTrue(f.cancel(true));
1072	<	checkCompletedWithWrappedCancellationException(g);
1073	<	}
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	<	/**
1078	<	* thenAccept result completes normally after normal completion of source
1079	<	*/
1080	<	public void testThenAccept() {
1081	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1082	<	IncAction r = new IncAction();
1083	<	CompletableFuture<Void> g = f.thenAccept(r);
1084	<	f.complete(one);
906	<	checkCompletedNormally(g, null);
907	<	assertEquals(r.value, (Integer) 2);
908	<	}
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
1086		/**
1087	<	* thenAccept result completes exceptionally after exceptional
1087	>	* handle action completes normally with function value on normal
1088		* completion of source
1089		*/
1090	<	public void testThenAccept2() {
915	<	CompletableFuture<Integer> f = new CompletableFuture<>();
916	<	IncAction r = new IncAction();
917	<	CompletableFuture<Void> g = f.thenAccept(r);
918	<	f.completeExceptionally(new CFException());
919	<	checkCompletedWithWrappedCFException(g);
920	<	}
921	<
922	<	/**
923	<	* thenAccept result completes exceptionally if action does
924	<	*/
925	<	public void testThenAccept3() {
926	<	CompletableFuture<Integer> f = new CompletableFuture<>();
927	<	FailingConsumer r = new FailingConsumer();
928	<	CompletableFuture<Void> g = f.thenAccept(r);
929	<	f.complete(one);
930	<	checkCompletedWithWrappedCFException(g);
931	<	assertTrue(r.ran);
932	<	}
933	<
934	<	/**
935	<	* thenAccept result completes exceptionally if source cancelled
936	<	*/
937	<	public void testThenAccept4() {
938	<	CompletableFuture<Integer> f = new CompletableFuture<>();
939	<	IncAction r = new IncAction();
940	<	CompletableFuture<Void> g = f.thenAccept(r);
941	<	assertTrue(f.cancel(true));
942	<	checkCompletedWithWrappedCancellationException(g);
943	<	}
944	<
945	<	/**
946	<	* thenCombine result completes normally after normal completion
947	<	* of sources
948	<	*/
949	<	public void testThenCombine_normalCompletion1() {
950	<	for (boolean createdIncomplete : new boolean[] { true, false })
951	<	for (boolean fFirst : new boolean[] { true, false })
1090	>	public void testHandle_normalCompletion() {
1091		for (ExecutionMode m : ExecutionMode.values())
1092	+	for (boolean createIncomplete : new boolean[] { true, false })
1093		for (Integer v1 : new Integer[] { 1, null })
1094	<	for (Integer v2 : new Integer[] { 2, null }) {
955	<
1094	>	{
1095		final CompletableFuture<Integer> f = new CompletableFuture<>();
1096	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1097	<	final SubtractFunction r = new SubtractFunction();
1098	<	CompletableFuture<Integer> h = null;
1099	<	if (createdIncomplete) h = m.thenCombine(f, g, r);
1100	<
1101	<	if (fFirst)
1102	<	f.complete(v1);
1103	<	else
1104	<	g.complete(v2);
1105	<	if (createdIncomplete) checkIncomplete(h);
1106	<	assertEquals(r.invocationCount, 0);
1107	<	if (!fFirst)
969	<	f.complete(v1);
970	<	else
971	<	g.complete(v2);
972	<	if (!createdIncomplete) h = m.thenCombine(f, g, r);
1096	>	final AtomicInteger a = new AtomicInteger(0);
1097	>	if (!createIncomplete) assertTrue(f.complete(v1));
1098	>	final CompletableFuture<Integer> g = m.handle
1099	>	(f,
1100	>	(Integer result, Throwable t) -> {
1101	>	m.checkExecutionMode();
1102	>	threadAssertSame(result, v1);
1103	>	threadAssertNull(t);
1104	>	a.getAndIncrement();
1105	>	return inc(v1);
1106	>	});
1107	>	if (createIncomplete) assertTrue(f.complete(v1));
1108
1109	<	checkCompletedNormally(h, subtract(v1, v2));
1109	>	checkCompletedNormally(g, inc(v1));
1110		checkCompletedNormally(f, v1);
1111	<	checkCompletedNormally(g, v2);
1112	<	assertEquals(r.invocationCount, 1);
978	<	}
979	<	}
1111	>	assertEquals(1, a.get());
1112	>	}}
1113
1114		/**
1115	<	* thenCombine result completes exceptionally after exceptional
1116	<	* completion of either source
1115	>	* handle action completes normally with function value on
1116	>	* exceptional completion of source
1117		*/
1118	<	public void testThenCombine_exceptionalCompletion1() {
1118	>	public void testHandle_exceptionalCompletion() {
1119		for (ExecutionMode m : ExecutionMode.values())
1120	<	for (Integer v1 : new Integer[] { 1, null }) {
1121	<
1120	>	for (boolean createIncomplete : new boolean[] { true, false })
1121	>	for (Integer v1 : new Integer[] { 1, null })
1122	>	{
1123		final CompletableFuture<Integer> f = new CompletableFuture<>();
1124	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
991	<	final SubtractFunction r = new SubtractFunction();
992	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1124	>	final AtomicInteger a = new AtomicInteger(0);
1125		final CFException ex = new CFException();
1126	+	if (!createIncomplete) f.completeExceptionally(ex);
1127	+	final CompletableFuture<Integer> g = m.handle
1128	+	(f,
1129	+	(Integer result, Throwable t) -> {
1130	+	m.checkExecutionMode();
1131	+	threadAssertNull(result);
1132	+	threadAssertSame(t, ex);
1133	+	a.getAndIncrement();
1134	+	return v1;
1135	+	});
1136	+	if (createIncomplete) f.completeExceptionally(ex);
1137
995	–	f.completeExceptionally(ex);
996	–	checkIncomplete(h);
997	–	g.complete(v1);
998	–
999	–	checkCompletedWithWrappedCFException(h, ex);
1000	–	checkCompletedWithWrappedCFException(f, ex);
1001	–	assertEquals(r.invocationCount, 0);
1138		checkCompletedNormally(g, v1);
1139	<	}
1140	<	}
1139	>	checkCompletedExceptionally(f, ex);
1140	>	assertEquals(1, a.get());
1141	>	}}
1142
1143	<	public void testThenCombine_exceptionalCompletion2() {
1143	>	/**
1144	>	* handle action completes normally with function value on
1145	>	* cancelled source
1146	>	*/
1147	>	public void testHandle_sourceCancelled() {
1148		for (ExecutionMode m : ExecutionMode.values())
1149	<	for (Integer v1 : new Integer[] { 1, null }) {
1150	<
1149	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1150	>	for (boolean createIncomplete : new boolean[] { true, false })
1151	>	for (Integer v1 : new Integer[] { 1, null })
1152	>	{
1153		final CompletableFuture<Integer> f = new CompletableFuture<>();
1154	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1155	<	final SubtractFunction r = new SubtractFunction();
1156	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1157	<	final CFException ex = new CFException();
1158	<
1159	<	g.completeExceptionally(ex);
1160	<	checkIncomplete(h);
1161	<	f.complete(v1);
1154	>	final AtomicInteger a = new AtomicInteger(0);
1155	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1156	>	final CompletableFuture<Integer> g = m.handle
1157	>	(f,
1158	>	(Integer result, Throwable t) -> {
1159	>	m.checkExecutionMode();
1160	>	threadAssertNull(result);
1161	>	threadAssertTrue(t instanceof CancellationException);
1162	>	a.getAndIncrement();
1163	>	return v1;
1164	>	});
1165	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1166
1167	<	checkCompletedWithWrappedCFException(h, ex);
1168	<	checkCompletedWithWrappedCFException(g, ex);
1169	<	assertEquals(r.invocationCount, 0);
1170	<	checkCompletedNormally(f, v1);
1024	<	}
1025	<	}
1167	>	checkCompletedNormally(g, v1);
1168	>	checkCancelled(f);
1169	>	assertEquals(1, a.get());
1170	>	}}
1171
1172	<	public void testThenCombine_exceptionalCompletion3() {
1172	>	/**
1173	>	* If a "handle action" throws an exception when triggered by
1174	>	* a normal completion, it completes exceptionally
1175	>	*/
1176	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1177		for (ExecutionMode m : ExecutionMode.values())
1178	<	for (Integer v1 : new Integer[] { 1, null }) {
1179	<
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 CompletableFuture<Integer> g = new CompletableFuture<>();
1033	<	final SubtractFunction r = new SubtractFunction();
1182	>	final AtomicInteger a = new AtomicInteger(0);
1183		final CFException ex = new CFException();
1184	+	if (!createIncomplete) assertTrue(f.complete(v1));
1185	+	final CompletableFuture<Integer> g = m.handle
1186	+	(f,
1187	+	(Integer result, Throwable t) -> {
1188	+	m.checkExecutionMode();
1189	+	threadAssertSame(result, v1);
1190	+	threadAssertNull(t);
1191	+	a.getAndIncrement();
1192	+	throw ex;
1193	+	});
1194	+	if (createIncomplete) assertTrue(f.complete(v1));
1195
1196	<	g.completeExceptionally(ex);
1037	<	f.complete(v1);
1038	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1039	<
1040	<	checkCompletedWithWrappedCFException(h, ex);
1041	<	checkCompletedWithWrappedCFException(g, ex);
1042	<	assertEquals(r.invocationCount, 0);
1196	>	checkCompletedWithWrappedException(g, ex);
1197		checkCompletedNormally(f, v1);
1198	<	}
1199	<	}
1198	>	assertEquals(1, a.get());
1199	>	}}
1200
1201	<	public void testThenCombine_exceptionalCompletion4() {
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 (ExecutionMode m : ExecutionMode.values())
1209	<	for (Integer v1 : new Integer[] { 1, null }) {
1210	<
1209	>	{
1210	>	final AtomicInteger a = new AtomicInteger(0);
1211	>	final CFException ex1 = new CFException();
1212	>	final CFException ex2 = new CFException();
1213		final CompletableFuture<Integer> f = new CompletableFuture<>();
1052	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1053	–	final SubtractFunction r = new SubtractFunction();
1054	–	final CFException ex = new CFException();
1214
1215	<	f.completeExceptionally(ex);
1216	<	g.complete(v1);
1217	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1215	>	if (!createIncomplete) f.completeExceptionally(ex1);
1216	>	final CompletableFuture<Integer> g = m.handle
1217	>	(f,
1218	>	(Integer result, Throwable t) -> {
1219	>	m.checkExecutionMode();
1220	>	threadAssertNull(result);
1221	>	threadAssertSame(ex1, t);
1222	>	a.getAndIncrement();
1223	>	throw ex2;
1224	>	});
1225	>	if (createIncomplete) f.completeExceptionally(ex1);
1226
1227	<	checkCompletedWithWrappedCFException(h, ex);
1228	<	checkCompletedWithWrappedCFException(f, ex);
1229	<	assertEquals(r.invocationCount, 0);
1230	<	checkCompletedNormally(g, v1);
1064	<	}
1065	<	}
1227	>	checkCompletedWithWrappedException(g, ex2);
1228	>	checkCompletedExceptionally(f, ex1);
1229	>	assertEquals(1, a.get());
1230	>	}}
1231
1232		/**
1233	<	* thenCombine result completes exceptionally if action does
1233	>	* runAsync completes after running Runnable
1234		*/
1235	<	public void testThenCombine_actionFailed1() {
1236	<	for (ExecutionMode m : ExecutionMode.values())
1237	<	for (Integer v1 : new Integer[] { 1, null })
1238	<	for (Integer v2 : new Integer[] { 2, null }) {
1239	<
1240	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1241	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1242	<	final FailingBiFunction r = new FailingBiFunction();
1243	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1244	<
1245	<	f.complete(v1);
1246	<	checkIncomplete(h);
1247	<	g.complete(v2);
1235	>	public void testRunAsync_normalCompletion() {
1236	>	ExecutionMode[] executionModes = {
1237	>	ExecutionMode.ASYNC,
1238	>	ExecutionMode.EXECUTOR,
1239	>	};
1240	>	for (ExecutionMode m : executionModes)
1241	>	{
1242	>	final Noop r = new Noop(m);
1243	>	final CompletableFuture<Void> f = m.runAsync(r);
1244	>	assertNull(f.join());
1245	>	checkCompletedNormally(f, null);
1246	>	r.assertInvoked();
1247	>	}}
1248
1249	<	checkCompletedWithWrappedCFException(h);
1250	<	checkCompletedNormally(f, v1);
1251	<	checkCompletedNormally(g, v2);
1249	>	/**
1250	>	* failing runAsync completes exceptionally after running Runnable
1251	>	*/
1252	>	public void testRunAsync_exceptionalCompletion() {
1253	>	ExecutionMode[] executionModes = {
1254	>	ExecutionMode.ASYNC,
1255	>	ExecutionMode.EXECUTOR,
1256	>	};
1257	>	for (ExecutionMode m : executionModes)
1258	>	{
1259	>	final FailingRunnable r = new FailingRunnable(m);
1260	>	final CompletableFuture<Void> f = m.runAsync(r);
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	<	public void testThenCombine_actionFailed2() {
1279	<	for (ExecutionMode m : ExecutionMode.values())
1278	>	/**
1279	>	* supplyAsync completes with result of supplier
1280	>	*/
1281	>	public void testSupplyAsync_normalCompletion() {
1282	>	ExecutionMode[] executionModes = {
1283	>	ExecutionMode.ASYNC,
1284	>	ExecutionMode.EXECUTOR,
1285	>	};
1286	>	for (ExecutionMode m : executionModes)
1287		for (Integer v1 : new Integer[] { 1, null })
1288	<	for (Integer v2 : new Integer[] { 2, null }) {
1289	<
1290	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1291	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1097	<	final FailingBiFunction r = new FailingBiFunction();
1098	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1099	<
1100	<	g.complete(v2);
1101	<	checkIncomplete(h);
1102	<	f.complete(v1);
1103	<
1104	<	checkCompletedWithWrappedCFException(h);
1288	>	{
1289	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1290	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1291	>	assertSame(v1, f.join());
1292		checkCompletedNormally(f, v1);
1293	<	checkCompletedNormally(g, v2);
1294	<	}
1108	<	}
1293	>	r.assertInvoked();
1294	>	}}
1295
1296		/**
1297	<	* thenCombine result completes exceptionally if either source cancelled
1297	>	* Failing supplyAsync completes exceptionally
1298		*/
1299	<	public void testThenCombine_sourceCancelled1() {
1300	<	for (ExecutionMode m : ExecutionMode.values())
1301	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1302	<	for (Integer v1 : new Integer[] { 1, null }) {
1303	<
1304	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1305	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1306	<	final SubtractFunction r = new SubtractFunction();
1307	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1308	<
1309	<	assertTrue(f.cancel(mayInterruptIfRunning));
1310	<	checkIncomplete(h);
1311	<	g.complete(v1);
1312	<
1313	<	checkCompletedWithWrappedCancellationException(h);
1314	<	checkCancelled(f);
1315	<	assertEquals(r.invocationCount, 0);
1316	<	checkCompletedNormally(g, v1);
1299	>	public void testSupplyAsync_exceptionalCompletion() {
1300	>	ExecutionMode[] executionModes = {
1301	>	ExecutionMode.ASYNC,
1302	>	ExecutionMode.EXECUTOR,
1303	>	};
1304	>	for (ExecutionMode m : executionModes)
1305	>	{
1306	>	FailingSupplier r = new FailingSupplier(m);
1307	>	CompletableFuture<Integer> f = m.supplyAsync(r);
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	<	public void testThenCombine_sourceCancelled2() {
1135	<	for (ExecutionMode m : ExecutionMode.values())
1136	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1137	<	for (Integer v1 : new Integer[] { 1, null }) {
1325	>	// seq completion methods
1326
1327	+	/**
1328	+	* thenRun result completes normally after normal completion of source
1329	+	*/
1330	+	public void testThenRun_normalCompletion() {
1331	+	for (ExecutionMode m : ExecutionMode.values())
1332	+	for (Integer v1 : new Integer[] { 1, null })
1333	+	{
1334		final CompletableFuture<Integer> f = new CompletableFuture<>();
1335	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1336	<	final SubtractFunction r = new SubtractFunction();
1142	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1335	>	final Noop[] rs = new Noop[6];
1336	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1337
1338	<	assertTrue(g.cancel(mayInterruptIfRunning));
1339	<	checkIncomplete(h);
1340	<	f.complete(v1);
1341	<
1342	<	checkCompletedWithWrappedCancellationException(h);
1343	<	checkCancelled(g);
1344	<	assertEquals(r.invocationCount, 0);
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	<	}
1357	<	}
1356	>	for (Noop r : rs) r.assertInvoked();
1357	>	}}
1358
1359	<	public void testThenCombine_sourceCancelled3() {
1359	>	/**
1360	>	* thenRun result completes exceptionally after exceptional
1361	>	* completion of source
1362	>	*/
1363	>	public void testThenRun_exceptionalCompletion() {
1364		for (ExecutionMode m : ExecutionMode.values())
1365	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1366	<	for (Integer v1 : new Integer[] { 1, null }) {
1159	<
1365	>	{
1366	>	final CFException ex = new CFException();
1367		final CompletableFuture<Integer> f = new CompletableFuture<>();
1368	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1369	<	final SubtractFunction r = new SubtractFunction();
1368	>	final Noop[] rs = new Noop[6];
1369	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1370
1371	<	assertTrue(g.cancel(mayInterruptIfRunning));
1372	<	f.complete(v1);
1373	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
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	<	checkCompletedWithWrappedCancellationException(h);
1393	<	checkCancelled(g);
1394	<	assertEquals(r.invocationCount, 0);
1395	<	checkCompletedNormally(f, v1);
1172	<	}
1173	<	}
1174	<
1175	<	public void testThenCombine_sourceCancelled4() {
1392	>	/**
1393	>	* thenRun result completes exceptionally if source cancelled
1394	>	*/
1395	>	public void testThenRun_sourceCancelled() {
1396		for (ExecutionMode m : ExecutionMode.values())
1397		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1398	<	for (Integer v1 : new Integer[] { 1, null }) {
1179	<
1398	>	{
1399		final CompletableFuture<Integer> f = new CompletableFuture<>();
1400	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1401	<	final SubtractFunction r = new SubtractFunction();
1400	>	final Noop[] rs = new Noop[6];
1401	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1402
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	<	g.complete(v1);
1411	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1412	<
1413	<	checkCompletedWithWrappedCancellationException(h);
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(r.invocationCount, 0);
1422	<	checkCompletedNormally(g, v1);
1192	<	}
1193	<	}
1421	>	for (Noop r : rs) r.assertNotInvoked();
1422	>	}}
1423
1424		/**
1425	<	* thenAcceptBoth result completes normally after normal
1197	<	* completion of sources
1425	>	* thenRun result completes exceptionally if action does
1426		*/
1427	<	public void testThenAcceptBoth_normalCompletion1() {
1427	>	public void testThenRun_actionFailed() {
1428		for (ExecutionMode m : ExecutionMode.values())
1429		for (Integer v1 : new Integer[] { 1, null })
1430	<	for (Integer v2 : new Integer[] { 2, null }) {
1203	<
1430	>	{
1431		final CompletableFuture<Integer> f = new CompletableFuture<>();
1432	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1433	<	final SubtractAction r = new SubtractAction();
1207	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1432	>	final FailingRunnable[] rs = new FailingRunnable[6];
1433	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1434
1435	<	f.complete(v1);
1436	<	checkIncomplete(h);
1437	<	assertFalse(r.ran());
1438	<	g.complete(v2);
1439	<
1440	<	checkCompletedNormally(h, null);
1441	<	assertEquals(r.value, subtract(v1, v2));
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	<	checkCompletedNormally(g, v2);
1218	<	}
1219	<	}
1450	>	}}
1451
1452	<	public void testThenAcceptBoth_normalCompletion2() {
1453	<	for (ExecutionMode m : ExecutionMode.values())
1454	<	for (Integer v1 : new Integer[] { 1, null })
1455	<	for (Integer v2 : new Integer[] { 2, null }) {
1225	<
1226	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1227	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1228	<	final SubtractAction r = new SubtractAction();
1229	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1230	<
1231	<	g.complete(v2);
1232	<	checkIncomplete(h);
1233	<	assertFalse(r.ran());
1234	<	f.complete(v1);
1235	<
1236	<	checkCompletedNormally(h, null);
1237	<	assertEquals(r.value, subtract(v1, v2));
1238	<	checkCompletedNormally(f, v1);
1239	<	checkCompletedNormally(g, v2);
1240	<	}
1241	<	}
1242	<
1243	<	public void testThenAcceptBoth_normalCompletion3() {
1244	<	for (ExecutionMode m : ExecutionMode.values())
1245	<	for (Integer v1 : new Integer[] { 1, null })
1246	<	for (Integer v2 : new Integer[] { 2, null }) {
1247	<
1248	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1249	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1250	<	final SubtractAction r = new SubtractAction();
1251	<
1252	<	g.complete(v2);
1253	<	f.complete(v1);
1254	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1255	<
1256	<	checkCompletedNormally(h, null);
1257	<	assertEquals(r.value, subtract(v1, v2));
1258	<	checkCompletedNormally(f, v1);
1259	<	checkCompletedNormally(g, v2);
1260	<	}
1261	<	}
1262	<
1263	<	public void testThenAcceptBoth_normalCompletion4() {
1452	>	/**
1453	>	* thenApply result completes normally after normal completion of source
1454	>	*/
1455	>	public void testThenApply_normalCompletion() {
1456		for (ExecutionMode m : ExecutionMode.values())
1457		for (Integer v1 : new Integer[] { 1, null })
1458	<	for (Integer v2 : new Integer[] { 2, null }) {
1267	<
1458	>	{
1459		final CompletableFuture<Integer> f = new CompletableFuture<>();
1460	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1461	<	final SubtractAction r = new SubtractAction();
1460	>	final IncFunction[] rs = new IncFunction[4];
1461	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1462
1463	<	f.complete(v1);
1464	<	g.complete(v2);
1465	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1466	<
1467	<	checkCompletedNormally(h, null);
1468	<	assertEquals(r.value, subtract(v1, v2));
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	<	checkCompletedNormally(g, v2);
1477	<	}
1281	<	}
1476	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1477	>	}}
1478
1479		/**
1480	<	* thenAcceptBoth result completes exceptionally after exceptional
1481	<	* completion of either source
1480	>	* thenApply result completes exceptionally after exceptional
1481	>	* completion of source
1482		*/
1483	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1483	>	public void testThenApply_exceptionalCompletion() {
1484		for (ExecutionMode m : ExecutionMode.values())
1485	<	for (Integer v1 : new Integer[] { 1, null }) {
1290	<
1291	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1292	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1293	<	final SubtractAction r = new SubtractAction();
1294	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1485	>	{
1486		final CFException ex = new CFException();
1296	–
1297	–	f.completeExceptionally(ex);
1298	–	checkIncomplete(h);
1299	–	g.complete(v1);
1300	–
1301	–	checkCompletedWithWrappedCFException(h, ex);
1302	–	checkCompletedWithWrappedCFException(f, ex);
1303	–	assertEquals(r.invocationCount, 0);
1304	–	checkCompletedNormally(g, v1);
1305	–	}
1306	–	}
1307	–
1308	–	public void testThenAcceptBoth_exceptionalCompletion2() {
1309	–	for (ExecutionMode m : ExecutionMode.values())
1310	–	for (Integer v1 : new Integer[] { 1, null }) {
1311	–
1487		final CompletableFuture<Integer> f = new CompletableFuture<>();
1488	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1489	<	final SubtractAction r = new SubtractAction();
1315	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1316	<	final CFException ex = new CFException();
1317	<
1318	<	g.completeExceptionally(ex);
1319	<	checkIncomplete(h);
1320	<	f.complete(v1);
1488	>	final IncFunction[] rs = new IncFunction[4];
1489	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1490
1491	<	checkCompletedWithWrappedCFException(h, ex);
1492	<	checkCompletedWithWrappedCFException(g, ex);
1493	<	assertEquals(r.invocationCount, 0);
1494	<	checkCompletedNormally(f, v1);
1495	<	}
1496	<	}
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	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1505	>	/**
1506	>	* thenApply result completes exceptionally if source cancelled
1507	>	*/
1508	>	public void testThenApply_sourceCancelled() {
1509		for (ExecutionMode m : ExecutionMode.values())
1510	<	for (Integer v1 : new Integer[] { 1, null }) {
1511	<
1510	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1511	>	{
1512		final CompletableFuture<Integer> f = new CompletableFuture<>();
1513	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1514	<	final SubtractAction r = new SubtractAction();
1336	<	final CFException ex = new CFException();
1513	>	final IncFunction[] rs = new IncFunction[4];
1514	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1515
1516	<	g.completeExceptionally(ex);
1517	<	f.complete(v1);
1518	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
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	<	checkCompletedWithWrappedCFException(h, ex);
1523	<	checkCompletedWithWrappedCFException(g, ex);
1524	<	assertEquals(r.invocationCount, 0);
1525	<	checkCompletedNormally(f, v1);
1526	<	}
1527	<	}
1522	>	checkCompletedWithWrappedCancellationException(h0);
1523	>	checkCompletedWithWrappedCancellationException(h1);
1524	>	checkCompletedWithWrappedCancellationException(h2);
1525	>	checkCompletedWithWrappedCancellationException(h3);
1526	>	checkCancelled(f);
1527	>	for (IncFunction r : rs) r.assertNotInvoked();
1528	>	}}
1529
1530	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1530	>	/**
1531	>	* thenApply result completes exceptionally if action does
1532	>	*/
1533	>	public void testThenApply_actionFailed() {
1534		for (ExecutionMode m : ExecutionMode.values())
1535	<	for (Integer v1 : new Integer[] { 1, null }) {
1536	<
1535	>	for (Integer v1 : new Integer[] { 1, null })
1536	>	{
1537		final CompletableFuture<Integer> f = new CompletableFuture<>();
1538	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1539	<	final SubtractAction r = new SubtractAction();
1356	<	final CFException ex = new CFException();
1357	<
1358	<	f.completeExceptionally(ex);
1359	<	g.complete(v1);
1360	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1538	>	final FailingFunction[] rs = new FailingFunction[4];
1539	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1540
1541	<	checkCompletedWithWrappedCFException(h, ex);
1542	<	checkCompletedWithWrappedCFException(f, ex);
1543	<	assertFalse(r.ran());
1544	<	checkCompletedNormally(g, v1);
1545	<	}
1546	<	}
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
1554		/**
1555	<	* thenAcceptBoth result completes exceptionally if action does
1555	>	* thenAccept result completes normally after normal completion of source
1556		*/
1557	<	public void testThenAcceptBoth_actionFailed1() {
1557	>	public void testThenAccept_normalCompletion() {
1558		for (ExecutionMode m : ExecutionMode.values())
1559		for (Integer v1 : new Integer[] { 1, null })
1560	<	for (Integer v2 : new Integer[] { 2, null }) {
1376	<
1560	>	{
1561		final CompletableFuture<Integer> f = new CompletableFuture<>();
1562	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1563	<	final FailingBiConsumer r = new FailingBiConsumer();
1380	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1562	>	final NoopConsumer[] rs = new NoopConsumer[4];
1563	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1564
1565	<	f.complete(v1);
1566	<	checkIncomplete(h);
1567	<	g.complete(v2);
1568	<
1569	<	checkCompletedWithWrappedCFException(h);
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	<	checkCompletedNormally(g, v2);
1579	<	}
1390	<	}
1578	>	for (NoopConsumer r : rs) r.assertValue(v1);
1579	>	}}
1580
1581	<	public void testThenAcceptBoth_actionFailed2() {
1581	>	/**
1582	>	* thenAccept result completes exceptionally after exceptional
1583	>	* completion of source
1584	>	*/
1585	>	public void testThenAccept_exceptionalCompletion() {
1586		for (ExecutionMode m : ExecutionMode.values())
1587	<	for (Integer v1 : new Integer[] { 1, null })
1588	<	for (Integer v2 : new Integer[] { 2, null }) {
1396	<
1587	>	{
1588	>	final CFException ex = new CFException();
1589		final CompletableFuture<Integer> f = new CompletableFuture<>();
1590	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1591	<	final FailingBiConsumer r = new FailingBiConsumer();
1400	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1401	<
1402	<	g.complete(v2);
1403	<	checkIncomplete(h);
1404	<	f.complete(v1);
1590	>	final NoopConsumer[] rs = new NoopConsumer[4];
1591	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1592
1593	<	checkCompletedWithWrappedCFException(h);
1594	<	checkCompletedNormally(f, v1);
1595	<	checkCompletedNormally(g, v2);
1596	<	}
1597	<	}
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	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1608	>	* thenAccept result completes exceptionally if source cancelled
1609		*/
1610	<	public void testThenAcceptBoth_sourceCancelled1() {
1610	>	public void testThenAccept_sourceCancelled() {
1611		for (ExecutionMode m : ExecutionMode.values())
1612		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1613	<	for (Integer v1 : new Integer[] { 1, null }) {
1419	<
1613	>	{
1614		final CompletableFuture<Integer> f = new CompletableFuture<>();
1615	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1616	<	final SubtractAction r = new SubtractAction();
1423	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1615	>	final NoopConsumer[] rs = new NoopConsumer[4];
1616	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1617
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	<	checkIncomplete(h);
1622	<	g.complete(v1);
1621	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1622	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1623
1624	<	checkCompletedWithWrappedCancellationException(h);
1624	>	checkCompletedWithWrappedCancellationException(h0);
1625	>	checkCompletedWithWrappedCancellationException(h1);
1626	>	checkCompletedWithWrappedCancellationException(h2);
1627	>	checkCompletedWithWrappedCancellationException(h3);
1628		checkCancelled(f);
1629	<	assertEquals(r.invocationCount, 0);
1630	<	checkCompletedNormally(g, v1);
1433	<	}
1434	<	}
1629	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1630	>	}}
1631
1632	<	public void testThenAcceptBoth_sourceCancelled2() {
1632	>	/**
1633	>	* thenAccept result completes exceptionally if action does
1634	>	*/
1635	>	public void testThenAccept_actionFailed() {
1636		for (ExecutionMode m : ExecutionMode.values())
1637	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1638	<	for (Integer v1 : new Integer[] { 1, null }) {
1440	<
1637	>	for (Integer v1 : new Integer[] { 1, null })
1638	>	{
1639		final CompletableFuture<Integer> f = new CompletableFuture<>();
1640	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1641	<	final SubtractAction r = new SubtractAction();
1444	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1445	<
1446	<	assertTrue(g.cancel(mayInterruptIfRunning));
1447	<	checkIncomplete(h);
1448	<	f.complete(v1);
1640	>	final FailingConsumer[] rs = new FailingConsumer[4];
1641	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1642
1643	<	checkCompletedWithWrappedCancellationException(h);
1644	<	checkCancelled(g);
1645	<	assertEquals(r.invocationCount, 0);
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	<	}
1455	<	}
1654	>	}}
1655
1656	<	public void testThenAcceptBoth_sourceCancelled3() {
1656	>	/**
1657	>	* thenCombine result completes normally after normal completion
1658	>	* of sources
1659	>	*/
1660	>	public void testThenCombine_normalCompletion() {
1661		for (ExecutionMode m : ExecutionMode.values())
1662	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1663	<	for (Integer v1 : new Integer[] { 1, null }) {
1664	<
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 SubtractAction r = new SubtractAction();
1668	>	final SubtractFunction[] rs = new SubtractFunction[6];
1669	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1670
1671	<	assertTrue(g.cancel(mayInterruptIfRunning));
1672	<	f.complete(v1);
1673	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
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
1470	–	checkCompletedWithWrappedCancellationException(h);
1471	–	checkCancelled(g);
1472	–	assertEquals(r.invocationCount, 0);
1697		checkCompletedNormally(f, v1);
1698	<	}
1699	<	}
1476	<
1477	<	public void testThenAcceptBoth_sourceCancelled4() {
1478	<	for (ExecutionMode m : ExecutionMode.values())
1479	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1480	<	for (Integer v1 : new Integer[] { 1, null }) {
1481	<
1482	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1483	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1484	<	final SubtractAction r = new SubtractAction();
1485	<
1486	<	assertTrue(f.cancel(mayInterruptIfRunning));
1487	<	g.complete(v1);
1488	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1489	<
1490	<	checkCompletedWithWrappedCancellationException(h);
1491	<	checkCancelled(f);
1492	<	assertEquals(r.invocationCount, 0);
1493	<	checkCompletedNormally(g, v1);
1494	<	}
1495	<	}
1698	>	checkCompletedNormally(g, v2);
1699	>	}}
1700
1701		/**
1702	<	* runAfterBoth result completes normally after normal
1703	<	* completion of sources
1702	>	* thenCombine result completes exceptionally after exceptional
1703	>	* completion of either source
1704		*/
1705	<	public void testRunAfterBoth_normalCompletion1() {
1705	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1706		for (ExecutionMode m : ExecutionMode.values())
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	<	for (Integer v2 : new Integer[] { 2, null }) {
1505	<
1710	>	{
1711		final CompletableFuture<Integer> f = new CompletableFuture<>();
1712		final CompletableFuture<Integer> g = new CompletableFuture<>();
1713	<	final Noop r = new Noop();
1714	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1715	<
1716	<	f.complete(v1);
1717	<	checkIncomplete(h);
1718	<	assertFalse(r.ran);
1719	<	g.complete(v2);
1720	<
1721	<	checkCompletedNormally(h, null);
1722	<	assertEquals(r.invocationCount, 1);
1723	<	checkCompletedNormally(f, v1);
1724	<	checkCompletedNormally(g, v2);
1725	<	}
1726	<	}
1713	>	final CFException ex = new CFException();
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	<	public void testRunAfterBoth_normalCompletion2() {
1745	>	/**
1746	>	* thenCombine result completes exceptionally if either source cancelled
1747	>	*/
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 })
1754	<	for (Integer v2 : new Integer[] { 2, null }) {
1527	<
1754	>	{
1755		final CompletableFuture<Integer> f = new CompletableFuture<>();
1756		final CompletableFuture<Integer> g = new CompletableFuture<>();
1757	<	final Noop r = new Noop();
1758	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1759	<
1760	<	g.complete(v2);
1761	<	checkIncomplete(h);
1762	<	assertFalse(r.ran);
1763	<	f.complete(v1);
1764	<
1765	<	checkCompletedNormally(h, null);
1766	<	assertEquals(r.invocationCount, 1);
1767	<	checkCompletedNormally(f, v1);
1768	<	checkCompletedNormally(g, v2);
1769	<	}
1770	<	}
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	<	public void testRunAfterBoth_normalCompletion3() {
1788	>	/**
1789	>	* thenCombine result completes exceptionally if action does
1790	>	*/
1791	>	public void testThenCombine_actionFailed() {
1792		for (ExecutionMode m : ExecutionMode.values())
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	<
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 Noop r = new Noop();
1800	<
1801	<	g.complete(v2);
1802	<	f.complete(v1);
1803	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1804	<
1805	<	checkCompletedNormally(h, null);
1806	<	assertTrue(r.ran);
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	<	}
1563	<	}
1822	>	}}
1823
1824	<	public void testRunAfterBoth_normalCompletion4() {
1824	>	/**
1825	>	* thenAcceptBoth result completes normally after normal
1826	>	* completion of sources
1827	>	*/
1828	>	public void testThenAcceptBoth_normalCompletion() {
1829		for (ExecutionMode m : ExecutionMode.values())
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	<
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 Noop r = new Noop();
1837	<
1838	<	f.complete(v1);
1839	<	g.complete(v2);
1840	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1841	<
1842	<	checkCompletedNormally(h, null);
1843	<	assertEquals(r.invocationCount, 1);
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	<	}
1583	<	}
1863	>	}}
1864
1865		/**
1866	<	* runAfterBoth result completes exceptionally after exceptional
1866	>	* thenAcceptBoth result completes exceptionally after exceptional
1867		* completion of either source
1868		*/
1869	<	public void testRunAfterBoth_exceptionalCompletion1() {
1869	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1870		for (ExecutionMode m : ExecutionMode.values())
1871	<	for (Integer v1 : new Integer[] { 1, null }) {
1872	<
1873	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1874	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1595	<	final Noop r = new Noop();
1596	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1597	<	final CFException ex = new CFException();
1598	<
1599	<	f.completeExceptionally(ex);
1600	<	checkIncomplete(h);
1601	<	g.complete(v1);
1602	<
1603	<	checkCompletedWithWrappedCFException(h, ex);
1604	<	checkCompletedWithWrappedCFException(f, ex);
1605	<	assertEquals(r.invocationCount, 0);
1606	<	checkCompletedNormally(g, v1);
1607	<	}
1608	<	}
1609	<
1610	<	public void testRunAfterBoth_exceptionalCompletion2() {
1611	<	for (ExecutionMode m : ExecutionMode.values())
1612	<	for (Integer v1 : new Integer[] { 1, null }) {
1613	<
1614	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1615	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1616	<	final Noop r = new Noop();
1617	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1618	<	final CFException ex = new CFException();
1619	<
1620	<	g.completeExceptionally(ex);
1621	<	checkIncomplete(h);
1622	<	f.complete(v1);
1623	<
1624	<	checkCompletedWithWrappedCFException(h, ex);
1625	<	checkCompletedWithWrappedCFException(g, ex);
1626	<	assertEquals(r.invocationCount, 0);
1627	<	checkCompletedNormally(f, v1);
1628	<	}
1629	<	}
1630	<
1631	<	public void testRunAfterBoth_exceptionalCompletion3() {
1632	<	for (ExecutionMode m : ExecutionMode.values())
1633	<	for (Integer v1 : new Integer[] { 1, null }) {
1634	<
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<>();
1637	–	final Noop r = new Noop();
1877		final CFException ex = new CFException();
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	<	g.completeExceptionally(ex);
1910	<	f.complete(v1);
1911	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1912	<
1644	<	checkCompletedWithWrappedCFException(h, ex);
1645	<	checkCompletedWithWrappedCFException(g, ex);
1646	<	assertEquals(r.invocationCount, 0);
1647	<	checkCompletedNormally(f, v1);
1648	<	}
1649	<	}
1650	<
1651	<	public void testRunAfterBoth_exceptionalCompletion4() {
1909	>	/**
1910	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1911	>	*/
1912	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1913		for (ExecutionMode m : ExecutionMode.values())
1914	<	for (Integer v1 : new Integer[] { 1, null }) {
1915	<
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 })
1918	>	{
1919		final CompletableFuture<Integer> f = new CompletableFuture<>();
1920		final CompletableFuture<Integer> g = new CompletableFuture<>();
1921	<	final Noop r = new Noop();
1922	<	final CFException ex = new CFException();
1923	<
1924	<	f.completeExceptionally(ex);
1925	<	g.complete(v1);
1926	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1927	<
1928	<	checkCompletedWithWrappedCFException(h, ex);
1929	<	checkCompletedWithWrappedCFException(f, ex);
1930	<	assertEquals(r.invocationCount, 0);
1931	<	checkCompletedNormally(g, v1);
1932	<	}
1933	<	}
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	<	* runAfterBoth result completes exceptionally if action does
1953	>	* thenAcceptBoth result completes exceptionally if action does
1954		*/
1955	<	public void testRunAfterBoth_actionFailed1() {
1955	>	public void testThenAcceptBoth_actionFailed() {
1956		for (ExecutionMode m : ExecutionMode.values())
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	<
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 FailingNoop r = new FailingNoop();
1964	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1965	<
1966	<	f.complete(v1);
1967	<	checkIncomplete(h);
1968	<	g.complete(v2);
1969	<
1970	<	checkCompletedWithWrappedCFException(h);
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	<	}
1692	<	}
1986	>	}}
1987
1988	<	public void testRunAfterBoth_actionFailed2() {
1988	>	/**
1989	>	* runAfterBoth result completes normally after normal
1990	>	* completion of sources
1991	>	*/
1992	>	public void testRunAfterBoth_normalCompletion() {
1993		for (ExecutionMode m : ExecutionMode.values())
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	<
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 FailingNoop r = new FailingNoop();
2001	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2002	<
2003	<	g.complete(v2);
2004	<	checkIncomplete(h);
2005	<	f.complete(v1);
2006	<
2007	<	checkCompletedWithWrappedCFException(h);
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	<	}
1712	<	}
2027	>	}}
2028
2029		/**
2030	<	* runAfterBoth result completes exceptionally if either source cancelled
2030	>	* runAfterBoth result completes exceptionally after exceptional
2031	>	* completion of either source
2032		*/
2033	<	public void testRunAfterBoth_sourceCancelled1() {
1718	<	for (ExecutionMode m : ExecutionMode.values())
1719	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1720	<	for (Integer v1 : new Integer[] { 1, null }) {
1721	<
1722	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1723	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1724	<	final Noop r = new Noop();
1725	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1726	<
1727	<	assertTrue(f.cancel(mayInterruptIfRunning));
1728	<	checkIncomplete(h);
1729	<	g.complete(v1);
1730	<
1731	<	checkCompletedWithWrappedCancellationException(h);
1732	<	checkCancelled(f);
1733	<	assertEquals(r.invocationCount, 0);
1734	<	checkCompletedNormally(g, v1);
1735	<	}
1736	<	}
1737	<
1738	<	public void testRunAfterBoth_sourceCancelled2() {
2033	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2034		for (ExecutionMode m : ExecutionMode.values())
2035	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2036	<	for (Integer v1 : new Integer[] { 1, null }) {
2037	<
2038	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1744	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1745	<	final Noop r = new Noop();
1746	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1747	<
1748	<	assertTrue(g.cancel(mayInterruptIfRunning));
1749	<	checkIncomplete(h);
1750	<	f.complete(v1);
1751	<
1752	<	checkCompletedWithWrappedCancellationException(h);
1753	<	checkCancelled(g);
1754	<	assertEquals(r.invocationCount, 0);
1755	<	checkCompletedNormally(f, v1);
1756	<	}
1757	<	}
1758	<
1759	<	public void testRunAfterBoth_sourceCancelled3() {
1760	<	for (ExecutionMode m : ExecutionMode.values())
1761	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1762	<	for (Integer v1 : new Integer[] { 1, null }) {
1763	<
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 Noop r = new Noop();
2042	<
2043	<	assertTrue(g.cancel(mayInterruptIfRunning));
2044	<	f.complete(v1);
2045	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2046	<
2047	<	checkCompletedWithWrappedCancellationException(h);
2048	<	checkCancelled(g);
2049	<	assertEquals(r.invocationCount, 0);
2050	<	checkCompletedNormally(f, v1);
2051	<	}
2052	<	}
2041	>	final CFException ex = new CFException();
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	<	public void testRunAfterBoth_sourceCancelled4() {
2073	>	/**
2074	>	* runAfterBoth result completes exceptionally if either source cancelled
2075	>	*/
2076	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2077		for (ExecutionMode m : ExecutionMode.values())
2078		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2079	<	for (Integer v1 : new Integer[] { 1, null }) {
2080	<
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();
2086	<
2087	<	assertTrue(f.cancel(mayInterruptIfRunning));
2088	<	g.complete(v1);
2089	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2090	<
2091	<	checkCompletedWithWrappedCancellationException(h);
2092	<	checkCancelled(f);
2093	<	assertEquals(r.invocationCount, 0);
2094	<	checkCompletedNormally(g, v1);
2095	<	}
2096	<	}
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
1801	<	* of either source
2117	>	* runAfterBoth result completes exceptionally if action does
2118		*/
2119	<	public void testApplyToEither_normalCompletion1() {
2119	>	public void testRunAfterBoth_actionFailed() {
2120		for (ExecutionMode m : ExecutionMode.values())
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	<
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();
2128	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2129	<
2130	<	f.complete(v1);
2131	<	checkCompletedNormally(h, inc(v1));
2132	<	g.complete(v2);
2133	<
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);
2150	<	checkCompletedNormally(h, inc(v1));
1820	<	}
1821	<	}
2150	>	}}
2151
2152	<	public void testApplyToEither_normalCompletion2() {
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())
2158		for (Integer v1 : new Integer[] { 1, null })
2159	<	for (Integer v2 : new Integer[] { 2, null }) {
2160	<
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();
2164	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2163	>	final IncFunction[] rs = new IncFunction[6];
2164	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2165
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);
1834	–	checkCompletedNormally(h, inc(v2));
1835	–	f.complete(v1);
2180
2181	<	checkCompletedNormally(f, v1);
2182	<	checkCompletedNormally(g, v2);
2183	<	checkCompletedNormally(h, inc(v2));
2184	<	}
2185	<	}
2186	<	public void testApplyToEither_normalCompletion3() {
2187	<	for (ExecutionMode m : ExecutionMode.values())
2188	<	for (Integer v1 : new Integer[] { 1, null })
2189	<	for (Integer v2 : new Integer[] { 2, null }) {
1846	<
1847	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1848	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1849	<	final IncFunction r = new IncFunction();
1850	<
1851	<	f.complete(v1);
1852	<	g.complete(v2);
1853	<	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(r.invocationCount, 1);
2198	<	}
1863	<	}
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())
2206	<	for (Integer v1 : new Integer[] { 1, null }) {
2207	<
2206	>	for (Integer v1 : new Integer[] { 1, null })
2207	>	{
2208		final CompletableFuture<Integer> f = new CompletableFuture<>();
2209		final CompletableFuture<Integer> g = new CompletableFuture<>();
1875	–	final IncFunction r = new IncFunction();
1876	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2210		final CFException ex = new CFException();
2211	+	final IncFunction[] rs = new IncFunction[6];
2212	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2213
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	<	checkCompletedWithWrappedCFException(h, 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	<	assertEquals(r.invocationCount, 0);
2230	<	checkCompletedNormally(g, v1);
2231	<	checkCompletedWithWrappedCFException(f, ex);
2232	<	checkCompletedWithWrappedCFException(h, ex);
2233	<	}
2234	<	}
2235	<
2236	<	public void testApplyToEither_exceptionalCompletion2() {
2237	<	for (ExecutionMode m : ExecutionMode.values())
1892	<	for (Integer v1 : new Integer[] { 1, null }) {
1893	<
1894	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1895	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1896	<	final IncFunction r = new IncFunction();
1897	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1898	<	final CFException ex = new CFException();
1899	<
1900	<	g.completeExceptionally(ex);
1901	<	checkCompletedWithWrappedCFException(h, ex);
1902	<	f.complete(v1);
1903	<
1904	<	assertEquals(r.invocationCount, 0);
1905	<	checkCompletedNormally(f, v1);
1906	<	checkCompletedWithWrappedCFException(g, ex);
1907	<	checkCompletedWithWrappedCFException(h, ex);
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		}
1909	–	}
1910	–
1911	–	public void testApplyToEither_exceptionalCompletion3() {
1912	–	for (ExecutionMode m : ExecutionMode.values())
1913	–	for (Integer v1 : new Integer[] { 1, null }) {
1914	–
1915	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1916	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1917	–	final IncFunction r = new IncFunction();
1918	–	final CFException ex = new CFException();
1919	–
1920	–	g.completeExceptionally(ex);
1921	–	f.complete(v1);
1922	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1923	–
1924	–	// unspecified behavior
1925	–	Integer v;
2239		try {
2240	<	assertEquals(h.join(), inc(v1));
2241	<	assertEquals(r.invocationCount, 1);
2240	>	assertEquals(inc(v1), h5.join());
2241	>	rs[5].assertValue(inc(v1));
2242		} catch (CompletionException ok) {
2243	<	checkCompletedWithWrappedCFException(h, ex);
2244	<	assertEquals(r.invocationCount, 0);
2243	>	checkCompletedWithWrappedException(h5, ex);
2244	>	rs[5].assertNotInvoked();
2245		}
2246
2247	<	checkCompletedWithWrappedCFException(g, ex);
2248	<	checkCompletedNormally(f, v1);
2249	<	}
2250	<	}
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_exceptionalCompletion4() {
2257	>	public void testApplyToEither_exceptionalCompletion2() {
2258		for (ExecutionMode m : ExecutionMode.values())
2259	<	for (Integer v1 : new Integer[] { 1, null }) {
2260	<
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<>();
1945	–	final IncFunction r = new IncFunction();
2264		final CFException ex = new CFException();
2265	+	final IncFunction[] rs = new IncFunction[6];
2266	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2267
2268	<	f.completeExceptionally(ex);
2269	<	g.complete(v1);
2270	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
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
1953	<	Integer v;
2275	>	// unspecified behavior - both source completions available
2276		try {
2277	<	assertEquals(h.join(), inc(v1));
2278	<	assertEquals(r.invocationCount, 1);
2277	>	assertEquals(inc(v1), h0.join());
2278	>	rs[0].assertValue(inc(v1));
2279		} catch (CompletionException ok) {
2280	<	checkCompletedWithWrappedCFException(h, ex);
2281	<	assertEquals(r.invocationCount, 0);
2280	>	checkCompletedWithWrappedException(h0, ex);
2281	>	rs[0].assertNotInvoked();
2282		}
2283	<
2284	<	checkCompletedWithWrappedCFException(f, ex);
2285	<	checkCompletedNormally(g, v1);
2283	>	try {
2284	>	assertEquals(inc(v1), h1.join());
2285	>	rs[1].assertValue(inc(v1));
2286	>	} catch (CompletionException ok) {
2287	>	checkCompletedWithWrappedException(h1, ex);
2288	>	rs[1].assertNotInvoked();
2289		}
2290	<	}
2291	<
2292	<	/**
2293	<	* applyToEither result completes exceptionally if action does
2294	<	*/
2295	<	public void testApplyToEither_actionFailed1() {
2296	<	for (ExecutionMode m : ExecutionMode.values())
2297	<	for (Integer v1 : new Integer[] { 1, null })
2298	<	for (Integer v2 : new Integer[] { 2, null }) {
2299	<
2300	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2301	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2302	<	final FailingFunction r = new FailingFunction();
1978	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1979	<
1980	<	f.complete(v1);
1981	<	checkCompletedWithWrappedCFException(h);
1982	<	g.complete(v2);
1983	<	checkCompletedNormally(f, v1);
1984	<	checkCompletedNormally(g, v2);
2290	>	try {
2291	>	assertEquals(inc(v1), h2.join());
2292	>	rs[2].assertValue(inc(v1));
2293	>	} catch (CompletionException ok) {
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		}
1986	–	}
1987	–
1988	–	public void testApplyToEither_actionFailed2() {
1989	–	for (ExecutionMode m : ExecutionMode.values())
1990	–	for (Integer v1 : new Integer[] { 1, null })
1991	–	for (Integer v2 : new Integer[] { 2, null }) {
1992	–
1993	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1994	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1995	–	final FailingFunction r = new FailingFunction();
1996	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2304
1998	–	g.complete(v2);
1999	–	checkCompletedWithWrappedCFException(h);
2000	–	f.complete(v1);
2305		checkCompletedNormally(f, v1);
2306	<	checkCompletedNormally(g, v2);
2307	<	}
2004	<	}
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 })
2315	<	for (Integer v1 : new Integer[] { 1, null }) {
2316	<
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();
2320	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2319	>	final IncFunction[] rs = new IncFunction[6];
2320	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2321
2322	<	assertTrue(f.cancel(mayInterruptIfRunning));
2323	<	checkCompletedWithWrappedCancellationException(h);
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		checkCancelled(f);
2024	–	assertEquals(r.invocationCount, 0);
2356		checkCompletedNormally(g, v1);
2357	<	checkCompletedWithWrappedCancellationException(h);
2358	<	}
2359	<	}
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 })
2367	<	for (Integer v1 : new Integer[] { 1, null }) {
2368	<
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 r = new IncFunction();
2373	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2372	>	final IncFunction[] rs = new IncFunction[6];
2373	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2374
2375	<	assertTrue(g.cancel(mayInterruptIfRunning));
2376	<	checkCompletedWithWrappedCancellationException(h);
2377	<	f.complete(v1);
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	<	checkCancelled(g);
2383	<	assertEquals(r.invocationCount, 0);
2384	<	checkCompletedNormally(f, v1);
2385	<	checkCompletedWithWrappedCancellationException(h);
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		}
2049	–	}
2050	–
2051	–	public void testApplyToEither_sourceCancelled3() {
2052	–	for (ExecutionMode m : ExecutionMode.values())
2053	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2054	–	for (Integer v1 : new Integer[] { 1, null }) {
2055	–
2056	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2057	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2058	–	final IncFunction r = new IncFunction();
2059	–
2060	–	assertTrue(g.cancel(mayInterruptIfRunning));
2061	–	f.complete(v1);
2062	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2063	–
2064	–	// unspecified behavior
2065	–	Integer v;
2390		try {
2391	<	assertEquals(h.join(), inc(v1));
2392	<	assertEquals(r.invocationCount, 1);
2391	>	assertEquals(inc(v1), h1.join());
2392	>	rs[1].assertValue(inc(v1));
2393		} catch (CompletionException ok) {
2394	<	checkCompletedWithWrappedCancellationException(h);
2395	<	assertEquals(r.invocationCount, 0);
2394	>	checkCompletedWithWrappedCancellationException(h1);
2395	>	rs[1].assertNotInvoked();
2396		}
2397	<
2398	<	checkCancelled(g);
2399	<	checkCompletedNormally(f, v1);
2397	>	try {
2398	>	assertEquals(inc(v1), h2.join());
2399	>	rs[2].assertValue(inc(v1));
2400	>	} catch (CompletionException ok) {
2401	>	checkCompletedWithWrappedCancellationException(h2);
2402	>	rs[2].assertNotInvoked();
2403		}
2077	–	}
2078	–
2079	–	public void testApplyToEither_sourceCancelled4() {
2080	–	for (ExecutionMode m : ExecutionMode.values())
2081	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2082	–	for (Integer v1 : new Integer[] { 1, null }) {
2083	–
2084	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2085	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2086	–	final IncFunction r = new IncFunction();
2087	–
2088	–	assertTrue(f.cancel(mayInterruptIfRunning));
2089	–	g.complete(v1);
2090	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2091	–
2092	–	// unspecified behavior
2093	–	Integer v;
2404		try {
2405	<	assertEquals(h.join(), inc(v1));
2406	<	assertEquals(r.invocationCount, 1);
2405	>	assertEquals(inc(v1), h3.join());
2406	>	rs[3].assertValue(inc(v1));
2407		} catch (CompletionException ok) {
2408	<	checkCompletedWithWrappedCancellationException(h);
2409	<	assertEquals(r.invocationCount, 0);
2408	>	checkCompletedWithWrappedCancellationException(h3);
2409	>	rs[3].assertNotInvoked();
2410		}
2411
2412	<	checkCancelled(f);
2413	<	checkCompletedNormally(g, v1);
2414	<	}
2105	<	}
2412	>	checkCompletedNormally(f, v1);
2413	>	checkCancelled(g);
2414	>	}}
2415
2416		/**
2417	<	* acceptEither result completes normally after normal completion
2109	<	* 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	<
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	>	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
2121	–	f.complete(v1);
2122	–	checkCompletedNormally(h, null);
2123	–	assertEquals(r.value, inc(v1));
2440		g.complete(v2);
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);
2455	<	checkCompletedNormally(h, null);
2129	<	}
2130	<	}
2455	>	}}
2456
2457	<	public void testAcceptEither_normalCompletion2() {
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	<
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();
2469	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
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);
2143	–	checkCompletedNormally(h, null);
2144	–	assertEquals(r.value, inc(v2));
2145	–	f.complete(v1);
2146	–
2147	–	checkCompletedNormally(f, v1);
2148	–	checkCompletedNormally(g, v2);
2149	–	checkCompletedNormally(h, null);
2150	–	}
2151	–	}
2152	–	public void testAcceptEither_normalCompletion3() {
2153	–	for (ExecutionMode m : ExecutionMode.values())
2154	–	for (Integer v1 : new Integer[] { 1, null })
2155	–	for (Integer v2 : new Integer[] { 2, null }) {
2156	–
2157	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2158	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2159	–	final IncAction r = new IncAction();
2489
2490	<	f.complete(v1);
2491	<	g.complete(v2);
2492	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
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
2165	–	checkCompletedNormally(h, null);
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)));
2506	<	}
2507	<	}
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	<
2515	>	for (Integer v1 : new Integer[] { 1, null })
2516	>	{
2517		final CompletableFuture<Integer> f = new CompletableFuture<>();
2518		final CompletableFuture<Integer> g = new CompletableFuture<>();
2185	–	final IncAction r = new IncAction();
2186	–	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);
2531	<	g.complete(v1);
2532	<
2533	<	assertEquals(r.invocationCount, 0);
2534	<	checkCompletedNormally(g, v1);
2535	<	checkCompletedWithWrappedCFException(f, ex);
2196	<	checkCompletedWithWrappedCFException(h, ex);
2197	<	}
2198	<	}
2199	<
2200	<	public void testAcceptEither_exceptionalCompletion2() {
2201	<	for (ExecutionMode m : ExecutionMode.values())
2202	<	for (Integer v1 : new Integer[] { 1, null }) {
2203	<
2204	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2205	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2206	<	final IncAction r = new IncAction();
2207	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2208	<	final CFException ex = new CFException();
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.completeExceptionally(ex);
2211	<	checkCompletedWithWrappedCFException(h, ex);
2212	<	f.complete(v1);
2537	>	g.complete(v1);
2538
2539	<	assertEquals(r.invocationCount, 0);
2540	<	checkCompletedNormally(f, v1);
2541	<	checkCompletedWithWrappedCFException(g, ex);
2542	<	checkCompletedWithWrappedCFException(h, ex);
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		}
2219	–	}
2220	–
2221	–	public void testAcceptEither_exceptionalCompletion3() {
2222	–	for (ExecutionMode m : ExecutionMode.values())
2223	–	for (Integer v1 : new Integer[] { 1, null }) {
2224	–
2225	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2226	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2227	–	final IncAction r = new IncAction();
2228	–	final CFException ex = new CFException();
2229	–
2230	–	g.completeExceptionally(ex);
2231	–	f.complete(v1);
2232	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2233	–
2234	–	// unspecified behavior
2235	–	Integer v;
2549		try {
2550	<	assertEquals(h.join(), null);
2551	<	assertEquals(r.invocationCount, 1);
2239	<	assertEquals(inc(v1), r.value);
2550	>	assertNull(h5.join());
2551	>	rs[5].assertValue(v1);
2552		} catch (CompletionException ok) {
2553	<	checkCompletedWithWrappedCFException(h, ex);
2554	<	assertEquals(r.invocationCount, 0);
2553	>	checkCompletedWithWrappedException(h5, ex);
2554	>	rs[5].assertNotInvoked();
2555		}
2556
2557	<	checkCompletedWithWrappedCFException(g, ex);
2558	<	checkCompletedNormally(f, v1);
2559	<	}
2560	<	}
2557	>	checkCompletedExceptionally(f, ex);
2558	>	checkCompletedNormally(g, v1);
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_exceptionalCompletion4() {
2567	>	public void testAcceptEither_exceptionalCompletion2() {
2568		for (ExecutionMode m : ExecutionMode.values())
2569	<	for (Integer v1 : new Integer[] { 1, null }) {
2570	<
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<>();
2256	–	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	<	f.completeExceptionally(ex);
2579	<	g.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
2264	<	Integer v;
2585	>	// unspecified behavior - both source completions available
2586		try {
2587	<	assertEquals(h.join(), null);
2588	<	assertEquals(r.invocationCount, 1);
2268	<	assertEquals(inc(v1), r.value);
2587	>	assertNull(h0.join());
2588	>	rs[0].assertValue(v1);
2589		} catch (CompletionException ok) {
2590	<	checkCompletedWithWrappedCFException(h, ex);
2591	<	assertEquals(r.invocationCount, 0);
2590	>	checkCompletedWithWrappedException(h0, ex);
2591	>	rs[0].assertNotInvoked();
2592		}
2593	<
2594	<	checkCompletedWithWrappedCFException(f, ex);
2595	<	checkCompletedNormally(g, v1);
2593	>	try {
2594	>	assertNull(h1.join());
2595	>	rs[1].assertValue(v1);
2596	>	} catch (CompletionException ok) {
2597	>	checkCompletedWithWrappedException(h1, ex);
2598	>	rs[1].assertNotInvoked();
2599		}
2600	<	}
2601	<
2602	<	/**
2603	<	* acceptEither result completes exceptionally if action does
2604	<	*/
2605	<	public void testAcceptEither_actionFailed1() {
2606	<	for (ExecutionMode m : ExecutionMode.values())
2607	<	for (Integer v1 : new Integer[] { 1, null })
2608	<	for (Integer v2 : new Integer[] { 2, null }) {
2609	<
2610	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2611	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2612	<	final FailingConsumer r = new FailingConsumer();
2290	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2291	<
2292	<	f.complete(v1);
2293	<	checkCompletedWithWrappedCFException(h);
2294	<	g.complete(v2);
2295	<	checkCompletedNormally(f, v1);
2296	<	checkCompletedNormally(g, v2);
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		}
2298	–	}
2299	–
2300	–	public void testAcceptEither_actionFailed2() {
2301	–	for (ExecutionMode m : ExecutionMode.values())
2302	–	for (Integer v1 : new Integer[] { 1, null })
2303	–	for (Integer v2 : new Integer[] { 2, null }) {
2304	–
2305	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2306	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2307	–	final FailingConsumer r = new FailingConsumer();
2308	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2614
2310	–	g.complete(v2);
2311	–	checkCompletedWithWrappedCFException(h);
2312	–	f.complete(v1);
2615		checkCompletedNormally(f, v1);
2616	<	checkCompletedNormally(g, v2);
2617	<	}
2316	<	}
2616	>	checkCompletedExceptionally(g, ex);
2617	>	}}
2618
2619		/**
2620		* acceptEither result completes exceptionally if either source cancelled
2621		*/
2622	<	public void testAcceptEither_sourceCancelled1() {
2322	<	for (ExecutionMode m : ExecutionMode.values())
2323	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2324	<	for (Integer v1 : new Integer[] { 1, null }) {
2325	<
2326	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2327	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2328	<	final IncAction r = new IncAction();
2329	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2330	<
2331	<	assertTrue(f.cancel(mayInterruptIfRunning));
2332	<	checkCompletedWithWrappedCancellationException(h);
2333	<	g.complete(v1);
2334	<
2335	<	checkCancelled(f);
2336	<	assertEquals(r.invocationCount, 0);
2337	<	checkCompletedNormally(g, v1);
2338	<	checkCompletedWithWrappedCancellationException(h);
2339	<	}
2340	<	}
2341	<
2342	<	public void testAcceptEither_sourceCancelled2() {
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	<
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);
2629	>	final NoopConsumer[] rs = new NoopConsumer[6];
2630	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2631
2632	<	assertTrue(g.cancel(mayInterruptIfRunning));
2633	<	checkCompletedWithWrappedCancellationException(h);
2634	<	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);
2357	<	assertEquals(r.invocationCount, 0);
2358	<	checkCompletedNormally(f, v1);
2359	<	checkCompletedWithWrappedCancellationException(h);
2360	<	}
2361	<	}
2362	<
2363	<	public void testAcceptEither_sourceCancelled3() {
2364	<	for (ExecutionMode m : ExecutionMode.values())
2365	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2366	<	for (Integer v1 : new Integer[] { 1, null }) {
2367	<
2368	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2369	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2370	<	final IncAction r = new IncAction();
2371	<
2372	<	assertTrue(g.cancel(mayInterruptIfRunning));
2373	<	f.complete(v1);
2374	<	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	<	assertEquals(h.join(), null);
2653	<	assertEquals(r.invocationCount, 1);
2381	<	assertEquals(inc(v1), r.value);
2652	>	assertNull(h4.join());
2653	>	rs[4].assertValue(v1);
2654		} catch (CompletionException ok) {
2655	<	checkCompletedWithWrappedCancellationException(h);
2656	<	assertEquals(r.invocationCount, 0);
2385	<	}
2386	<
2387	<	checkCancelled(g);
2388	<	checkCompletedNormally(f, v1);
2655	>	checkCompletedWithWrappedCancellationException(h4);
2656	>	rs[4].assertNotInvoked();
2657		}
2390	–	}
2391	–
2392	–	public void testAcceptEither_sourceCancelled4() {
2393	–	for (ExecutionMode m : ExecutionMode.values())
2394	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2395	–	for (Integer v1 : new Integer[] { 1, null }) {
2396	–
2397	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2398	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2399	–	final IncAction r = new IncAction();
2400	–
2401	–	assertTrue(f.cancel(mayInterruptIfRunning));
2402	–	g.complete(v1);
2403	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2404	–
2405	–	// unspecified behavior
2406	–	Integer v;
2658		try {
2659	<	assertEquals(h.join(), null);
2660	<	assertEquals(r.invocationCount, 1);
2410	<	assertEquals(inc(v1), r.value);
2659	>	assertNull(h5.join());
2660	>	rs[5].assertValue(v1);
2661		} catch (CompletionException ok) {
2662	<	checkCompletedWithWrappedCancellationException(h);
2663	<	assertEquals(r.invocationCount, 0);
2662	>	checkCompletedWithWrappedCancellationException(h5);
2663	>	rs[5].assertNotInvoked();
2664		}
2665
2666		checkCancelled(f);
2667		checkCompletedNormally(g, v1);
2668	<	}
2669	<	}
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
2423	<	* 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	<
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();
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	>	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
2435	–	f.complete(v1);
2436	–	checkCompletedNormally(h, null);
2437	–	assertEquals(r.invocationCount, 1);
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);
2714	<	checkCompletedNormally(h, null);
2443	<	assertEquals(r.invocationCount, 1);
2444	<	}
2445	<	}
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	<
2725	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2726	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2727	<	final Noop r = new Noop();
2728	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
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[] rs = new Noop[6];
2729	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2730	>
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
2753		g.complete(v2);
2458	–	checkCompletedNormally(h, null);
2459	–	assertEquals(r.invocationCount, 1);
2460	–	f.complete(v1);
2461	–
2462	–	checkCompletedNormally(f, v1);
2463	–	checkCompletedNormally(g, v2);
2464	–	checkCompletedNormally(h, null);
2465	–	assertEquals(r.invocationCount, 1);
2466	–	}
2467	–	}
2468	–	public void testRunAfterEither_normalCompletion3() {
2469	–	for (ExecutionMode m : ExecutionMode.values())
2470	–	for (Integer v1 : new Integer[] { 1, null })
2471	–	for (Integer v2 : new Integer[] { 2, null }) {
2754
2755	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2756	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2475	<	final Noop r = new Noop();
2755	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2756	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2757
2477	–	f.complete(v1);
2478	–	g.complete(v2);
2479	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2480	–
2481	–	checkCompletedNormally(h, null);
2758		checkCompletedNormally(f, v1);
2759		checkCompletedNormally(g, v2);
2760	<	assertEquals(r.invocationCount, 1);
2761	<	}
2762	<	}
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	<
2775	>	for (Integer v1 : new Integer[] { 1, null })
2776	>	{
2777		final CompletableFuture<Integer> f = new CompletableFuture<>();
2778		final CompletableFuture<Integer> g = new CompletableFuture<>();
2498	–	final Noop r = new Noop();
2499	–	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(r.invocationCount, 0);
2817	>	checkCompletedExceptionally(f, ex);
2818		checkCompletedNormally(g, v1);
2819	<	checkCompletedWithWrappedCFException(f, ex);
2820	<	checkCompletedWithWrappedCFException(h, ex);
2821	<	}
2822	<	}
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 (Integer v1 : new Integer[] { 1, null }) {
2830	<
2831	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2518	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2519	<	final Noop r = new Noop();
2520	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2521	<	final CFException ex = new CFException();
2522	<
2523	<	g.completeExceptionally(ex);
2524	<	checkCompletedWithWrappedCFException(h, ex);
2525	<	f.complete(v1);
2526	<
2527	<	assertEquals(r.invocationCount, 0);
2528	<	checkCompletedNormally(f, v1);
2529	<	checkCompletedWithWrappedCFException(g, ex);
2530	<	checkCompletedWithWrappedCFException(h, ex);
2531	<	}
2532	<	}
2533	<
2534	<	public void testRunAfterEither_exceptionalCompletion3() {
2535	<	for (ExecutionMode m : ExecutionMode.values())
2536	<	for (Integer v1 : new Integer[] { 1, null }) {
2537	<
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<>();
2540	–	final Noop r = new Noop();
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
2548	<	Integer v;
2845	>	// unspecified behavior - both source completions available
2846		try {
2847	<	assertEquals(h.join(), null);
2848	<	assertEquals(r.invocationCount, 1);
2847	>	assertNull(h0.join());
2848	>	rs[0].assertInvoked();
2849		} catch (CompletionException ok) {
2850	<	checkCompletedWithWrappedCFException(h, ex);
2851	<	assertEquals(r.invocationCount, 0);
2555	<	}
2556	<
2557	<	checkCompletedWithWrappedCFException(g, ex);
2558	<	checkCompletedNormally(f, v1);
2850	>	checkCompletedWithWrappedException(h0, ex);
2851	>	rs[0].assertNotInvoked();
2852		}
2560	–	}
2561	–
2562	–	public void testRunAfterEither_exceptionalCompletion4() {
2563	–	for (ExecutionMode m : ExecutionMode.values())
2564	–	for (Integer v1 : new Integer[] { 1, null }) {
2565	–
2566	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2567	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2568	–	final Noop r = new Noop();
2569	–	final CFException ex = new CFException();
2570	–
2571	–	f.completeExceptionally(ex);
2572	–	g.complete(v1);
2573	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2574	–
2575	–	// unspecified behavior
2576	–	Integer v;
2853		try {
2854	<	assertEquals(h.join(), null);
2855	<	assertEquals(r.invocationCount, 1);
2854	>	assertNull(h1.join());
2855	>	rs[1].assertInvoked();
2856		} catch (CompletionException ok) {
2857	<	checkCompletedWithWrappedCFException(h, ex);
2858	<	assertEquals(r.invocationCount, 0);
2857	>	checkCompletedWithWrappedException(h1, ex);
2858	>	rs[1].assertNotInvoked();
2859		}
2860	<
2861	<	checkCompletedWithWrappedCFException(f, ex);
2862	<	checkCompletedNormally(g, v1);
2860	>	try {
2861	>	assertNull(h2.join());
2862	>	rs[2].assertInvoked();
2863	>	} catch (CompletionException ok) {
2864	>	checkCompletedWithWrappedException(h2, ex);
2865	>	rs[2].assertNotInvoked();
2866		}
2867	<	}
2868	<
2869	<	/**
2870	<	* runAfterEither result completes exceptionally if action does
2871	<	*/
2872	<	public void testRunAfterEither_actionFailed1() {
2594	<	for (ExecutionMode m : ExecutionMode.values())
2595	<	for (Integer v1 : new Integer[] { 1, null })
2596	<	for (Integer v2 : new Integer[] { 2, null }) {
2597	<
2598	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2599	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2600	<	final FailingNoop r = new FailingNoop();
2601	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2602	<
2603	<	f.complete(v1);
2604	<	checkCompletedWithWrappedCFException(h);
2605	<	g.complete(v2);
2606	<	checkCompletedNormally(f, v1);
2607	<	checkCompletedNormally(g, v2);
2867	>	try {
2868	>	assertNull(h3.join());
2869	>	rs[3].assertInvoked();
2870	>	} catch (CompletionException ok) {
2871	>	checkCompletedWithWrappedException(h3, ex);
2872	>	rs[3].assertNotInvoked();
2873		}
2609	–	}
2610	–
2611	–	public void testRunAfterEither_actionFailed2() {
2612	–	for (ExecutionMode m : ExecutionMode.values())
2613	–	for (Integer v1 : new Integer[] { 1, null })
2614	–	for (Integer v2 : new Integer[] { 2, null }) {
2874
2616	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2617	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2618	–	final FailingNoop r = new FailingNoop();
2619	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2620	–
2621	–	g.complete(v2);
2622	–	checkCompletedWithWrappedCFException(h);
2623	–	f.complete(v1);
2875		checkCompletedNormally(f, v1);
2876	<	checkCompletedNormally(g, v2);
2877	<	}
2627	<	}
2876	>	checkCompletedExceptionally(g, ex);
2877	>	}}
2878
2879		/**
2880		* runAfterEither result completes exceptionally if either source cancelled
2881		*/
2882	<	public void testRunAfterEither_sourceCancelled1() {
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	<
2637	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2638	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2639	<	final Noop r = new Noop();
2640	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2641	<
2642	<	assertTrue(f.cancel(mayInterruptIfRunning));
2643	<	checkCompletedWithWrappedCancellationException(h);
2644	<	g.complete(v1);
2645	<
2646	<	checkCancelled(f);
2647	<	assertEquals(r.invocationCount, 0);
2648	<	checkCompletedNormally(g, v1);
2649	<	checkCompletedWithWrappedCancellationException(h);
2650	<	}
2651	<	}
2652	<
2653	<	public void testRunAfterEither_sourceCancelled2() {
2654	<	for (ExecutionMode m : ExecutionMode.values())
2655	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2656	<	for (Integer v1 : new Integer[] { 1, null }) {
2657	<
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();
2890	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2662	<
2663	<	assertTrue(g.cancel(mayInterruptIfRunning));
2664	<	checkCompletedWithWrappedCancellationException(h);
2665	<	f.complete(v1);
2889	>	final Noop[] rs = new Noop[6];
2890	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2891
2892	<	checkCancelled(g);
2893	<	assertEquals(r.invocationCount, 0);
2894	<	checkCompletedNormally(f, v1);
2895	<	checkCompletedWithWrappedCancellationException(h);
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(h4.join());
2913	>	rs[4].assertInvoked();
2914	>	} catch (CompletionException ok) {
2915	>	checkCompletedWithWrappedCancellationException(h4);
2916	>	rs[4].assertNotInvoked();
2917		}
2672	–	}
2673	–
2674	–	public void testRunAfterEither_sourceCancelled3() {
2675	–	for (ExecutionMode m : ExecutionMode.values())
2676	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2677	–	for (Integer v1 : new Integer[] { 1, null }) {
2678	–
2679	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2680	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2681	–	final Noop r = new Noop();
2682	–
2683	–	assertTrue(g.cancel(mayInterruptIfRunning));
2684	–	f.complete(v1);
2685	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2686	–
2687	–	// unspecified behavior
2688	–	Integer v;
2918		try {
2919	<	assertEquals(h.join(), null);
2920	<	assertEquals(r.invocationCount, 1);
2919	>	assertNull(h5.join());
2920	>	rs[5].assertInvoked();
2921		} catch (CompletionException ok) {
2922	<	checkCompletedWithWrappedCancellationException(h);
2923	<	assertEquals(r.invocationCount, 0);
2922	>	checkCompletedWithWrappedCancellationException(h5);
2923	>	rs[5].assertNotInvoked();
2924		}
2925
2926	<	checkCancelled(g);
2927	<	checkCompletedNormally(f, v1);
2928	<	}
2929	<	}
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())
2940	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2941	<	for (Integer v1 : new Integer[] { 1, null }) {
2942	<
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();
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);
2951	<
2952	<	// unspecified behavior
2953	<	Integer v;
2954	<	try {
2955	<	assertEquals(h.join(), null);
2956	<	assertEquals(r.invocationCount, 1);
2957	<	} catch (CompletionException ok) {
2958	<	checkCompletedWithWrappedCancellationException(h);
2959	<	assertEquals(r.invocationCount, 0);
2960	<	}
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	<	checkCancelled(f);
2965	<	checkCompletedNormally(g, v1);
2966	<	}
2967	<	}
2964	>	checkCompletedNormally(f, v1);
2965	>	checkCompletedNormally(g, v2);
2966	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2967	>	}}
2968
2969		/**
2970		* thenCompose result completes normally after normal completion of source
2971		*/
2972	<	public void testThenCompose() {
2973	<	CompletableFuture<Integer> f, g;
2974	<	CompletableFutureInc r;
2975	<
2976	<	f = new CompletableFuture<>();
2977	<	g = f.thenCompose(r = new CompletableFutureInc());
2978	<	f.complete(one);
2979	<	checkCompletedNormally(g, two);
2980	<	assertTrue(r.ran);
2972	>	public void testThenCompose_normalCompletion() {
2973	>	for (ExecutionMode m : ExecutionMode.values())
2974	>	for (boolean createIncomplete : new boolean[] { true, false })
2975	>	for (Integer v1 : new Integer[] { 1, null })
2976	>	{
2977	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2978	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2979	>	if (!createIncomplete) assertTrue(f.complete(v1));
2980	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2981	>	if (createIncomplete) assertTrue(f.complete(v1));
2982
2983	<	f = new CompletableFuture<>();
2984	<	f.complete(one);
2985	<	g = f.thenCompose(r = new CompletableFutureInc());
2986	<	checkCompletedNormally(g, two);
2747	<	assertTrue(r.ran);
2748	<	}
2983	>	checkCompletedNormally(g, inc(v1));
2984	>	checkCompletedNormally(f, v1);
2985	>	r.assertValue(v1);
2986	>	}}
2987
2988		/**
2989		* thenCompose result completes exceptionally after exceptional
2990		* completion of source
2991		*/
2992	<	public void testThenCompose2() {
2993	<	CompletableFuture<Integer> f, g;
2994	<	CompletableFutureInc r;
2995	<
2996	<	f = new CompletableFuture<>();
2997	<	g = f.thenCompose(r = new CompletableFutureInc());
2998	<	f.completeExceptionally(new CFException());
2999	<	checkCompletedWithWrappedCFException(g);
3000	<
3001	<	f = new CompletableFuture<>();
3002	<	f.completeExceptionally(new CFException());
3003	<	g = f.thenCompose(r = new CompletableFutureInc());
3004	<	checkCompletedWithWrappedCFException(g);
3005	<	}
2992	>	public void testThenCompose_exceptionalCompletion() {
2993	>	for (ExecutionMode m : ExecutionMode.values())
2994	>	for (boolean createIncomplete : new boolean[] { true, false })
2995	>	{
2996	>	final CFException ex = new CFException();
2997	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2998	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2999	>	if (!createIncomplete) f.completeExceptionally(ex);
3000	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3001	>	if (createIncomplete) f.completeExceptionally(ex);
3002	>
3003	>	checkCompletedWithWrappedException(g, ex);
3004	>	checkCompletedExceptionally(f, ex);
3005	>	r.assertNotInvoked();
3006	>	}}
3007
3008		/**
3009		* thenCompose result completes exceptionally if action does
3010		*/
3011	<	public void testThenCompose3() {
3012	<	CompletableFuture<Integer> f, g;
3013	<	FailingCompletableFutureFunction r;
3014	<
3015	<	f = new CompletableFuture<>();
3016	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
3017	<	f.complete(one);
3018	<	checkCompletedWithWrappedCFException(g);
3011	>	public void testThenCompose_actionFailed() {
3012	>	for (ExecutionMode m : ExecutionMode.values())
3013	>	for (boolean createIncomplete : new boolean[] { true, false })
3014	>	for (Integer v1 : new Integer[] { 1, null })
3015	>	{
3016	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3017	>	final FailingCompletableFutureFunction r
3018	>	= new FailingCompletableFutureFunction(m);
3019	>	if (!createIncomplete) assertTrue(f.complete(v1));
3020	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3021	>	if (createIncomplete) assertTrue(f.complete(v1));
3022
3023	<	f = new CompletableFuture<>();
3024	<	f.complete(one);
3025	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2784	<	checkCompletedWithWrappedCFException(g);
2785	<	}
3023	>	checkCompletedWithWrappedException(g, r.ex);
3024	>	checkCompletedNormally(f, v1);
3025	>	}}
3026
3027		/**
3028		* thenCompose result completes exceptionally if source cancelled
3029		*/
3030	<	public void testThenCompose4() {
3031	<	CompletableFuture<Integer> f, g;
3032	<	CompletableFutureInc r;
3033	<
3034	<	f = new CompletableFuture<>();
3035	<	g = f.thenCompose(r = new CompletableFutureInc());
3036	<	assertTrue(f.cancel(true));
3037	<	checkCompletedWithWrappedCancellationException(g);
3038	<
3039	<	f = new CompletableFuture<>();
3040	<	assertTrue(f.cancel(true));
3041	<	g = f.thenCompose(r = new CompletableFutureInc());
3042	<	checkCompletedWithWrappedCancellationException(g);
2803	<	}
2804	<
2805	<	// asyncs
2806	<
2807	<	/**
2808	<	* thenRunAsync result completes normally after normal completion of source
2809	<	*/
2810	<	public void testThenRunAsync() {
2811	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2812	<	Noop r = new Noop();
2813	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2814	<	f.complete(null);
2815	<	checkCompletedNormally(g, null);
2816	<
2817	<	// reordered version
2818	<	f = new CompletableFuture<>();
2819	<	f.complete(null);
2820	<	r = new Noop();
2821	<	g = f.thenRunAsync(r);
2822	<	checkCompletedNormally(g, null);
2823	<	}
2824	<
2825	<	/**
2826	<	* thenRunAsync result completes exceptionally after exceptional
2827	<	* completion of source
2828	<	*/
2829	<	public void testThenRunAsync2() {
2830	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2831	<	Noop r = new Noop();
2832	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2833	<	f.completeExceptionally(new CFException());
2834	<	try {
2835	<	g.join();
2836	<	shouldThrow();
2837	<	} catch (CompletionException success) {}
2838	<	checkCompletedWithWrappedCFException(g);
2839	<	}
2840	<
2841	<	/**
2842	<	* thenRunAsync result completes exceptionally if action does
2843	<	*/
2844	<	public void testThenRunAsync3() {
2845	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2846	<	FailingNoop r = new FailingNoop();
2847	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2848	<	f.complete(null);
2849	<	checkCompletedWithWrappedCFException(g);
2850	<	}
2851	<
2852	<	/**
2853	<	* thenRunAsync result completes exceptionally if source cancelled
2854	<	*/
2855	<	public void testThenRunAsync4() {
2856	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2857	<	Noop r = new Noop();
2858	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2859	<	assertTrue(f.cancel(true));
2860	<	checkCompletedWithWrappedCancellationException(g);
2861	<	}
2862	<
2863	<	/**
2864	<	* thenApplyAsync result completes normally after normal completion of source
2865	<	*/
2866	<	public void testThenApplyAsync() {
2867	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2868	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2869	<	f.complete(one);
2870	<	checkCompletedNormally(g, two);
2871	<	}
2872	<
2873	<	/**
2874	<	* thenApplyAsync result completes exceptionally after exceptional
2875	<	* completion of source
2876	<	*/
2877	<	public void testThenApplyAsync2() {
2878	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2879	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2880	<	f.completeExceptionally(new CFException());
2881	<	checkCompletedWithWrappedCFException(g);
2882	<	}
2883	<
2884	<	/**
2885	<	* thenApplyAsync result completes exceptionally if action does
2886	<	*/
2887	<	public void testThenApplyAsync3() {
2888	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2889	<	FailingFunction r = new FailingFunction();
2890	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
2891	<	f.complete(null);
2892	<	checkCompletedWithWrappedCFException(g);
2893	<	}
2894	<
2895	<	/**
2896	<	* thenApplyAsync result completes exceptionally if source cancelled
2897	<	*/
2898	<	public void testThenApplyAsync4() {
2899	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2900	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2901	<	assertTrue(f.cancel(true));
2902	<	checkCompletedWithWrappedCancellationException(g);
2903	<	}
2904	<
2905	<	/**
2906	<	* thenAcceptAsync result completes normally after normal
2907	<	* completion of source
2908	<	*/
2909	<	public void testThenAcceptAsync() {
2910	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2911	<	IncAction r = new IncAction();
2912	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2913	<	f.complete(one);
2914	<	checkCompletedNormally(g, null);
2915	<	assertEquals(r.value, (Integer) 2);
2916	<	}
2917	<
2918	<	/**
2919	<	* thenAcceptAsync result completes exceptionally after exceptional
2920	<	* completion of source
2921	<	*/
2922	<	public void testThenAcceptAsync2() {
2923	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2924	<	IncAction r = new IncAction();
2925	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2926	<	f.completeExceptionally(new CFException());
2927	<	checkCompletedWithWrappedCFException(g);
2928	<	}
2929	<
2930	<	/**
2931	<	* thenAcceptAsync result completes exceptionally if action does
2932	<	*/
2933	<	public void testThenAcceptAsync3() {
2934	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2935	<	FailingConsumer r = new FailingConsumer();
2936	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2937	<	f.complete(null);
2938	<	checkCompletedWithWrappedCFException(g);
2939	<	}
2940	<
2941	<	/**
2942	<	* thenAcceptAsync result completes exceptionally if source cancelled
2943	<	*/
2944	<	public void testThenAcceptAsync4() {
2945	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2946	<	IncAction r = new IncAction();
2947	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2948	<	assertTrue(f.cancel(true));
2949	<	checkCompletedWithWrappedCancellationException(g);
2950	<	}
2951	<
2952	<	/**
2953	<	* thenComposeAsync result completes normally after normal
2954	<	* completion of source
2955	<	*/
2956	<	public void testThenComposeAsync() {
2957	<	CompletableFuture<Integer> f, g;
2958	<	CompletableFutureInc r;
2959	<
2960	<	f = new CompletableFuture<>();
2961	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2962	<	f.complete(one);
2963	<	checkCompletedNormally(g, two);
2964	<
2965	<	f = new CompletableFuture<>();
2966	<	f.complete(one);
2967	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2968	<	checkCompletedNormally(g, two);
2969	<	}
2970	<
2971	<	/**
2972	<	* thenComposeAsync result completes exceptionally after
2973	<	* exceptional completion of source
2974	<	*/
2975	<	public void testThenComposeAsync2() {
2976	<	CompletableFuture<Integer> f, g;
2977	<	CompletableFutureInc r;
2978	<
2979	<	f = new CompletableFuture<>();
2980	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2981	<	f.completeExceptionally(new CFException());
2982	<	checkCompletedWithWrappedCFException(g);
2983	<	assertFalse(r.ran);
2984	<
2985	<	f = new CompletableFuture<>();
2986	<	f.completeExceptionally(new CFException());
2987	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2988	<	checkCompletedWithWrappedCFException(g);
2989	<	assertFalse(r.ran);
2990	<	}
2991	<
2992	<	/**
2993	<	* thenComposeAsync result completes exceptionally if action does
2994	<	*/
2995	<	public void testThenComposeAsync3() {
2996	<	CompletableFuture<Integer> f, g;
2997	<	FailingCompletableFutureFunction r;
2998	<
2999	<	f = new CompletableFuture<>();
3000	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
3001	<	f.complete(one);
3002	<	checkCompletedWithWrappedCFException(g);
3003	<
3004	<	f = new CompletableFuture<>();
3005	<	f.complete(one);
3006	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
3007	<	checkCompletedWithWrappedCFException(g);
3008	<	}
3009	<
3010	<	/**
3011	<	* thenComposeAsync result completes exceptionally if source cancelled
3012	<	*/
3013	<	public void testThenComposeAsync4() {
3014	<	CompletableFuture<Integer> f, g;
3015	<	CompletableFutureInc r;
3016	<
3017	<	f = new CompletableFuture<>();
3018	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3019	<	assertTrue(f.cancel(true));
3020	<	checkCompletedWithWrappedCancellationException(g);
3021	<
3022	<	f = new CompletableFuture<>();
3023	<	assertTrue(f.cancel(true));
3024	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3025	<	checkCompletedWithWrappedCancellationException(g);
3026	<	}
3027	<
3028	<	// async with explicit executors
3029	<
3030	<	/**
3031	<	* thenRunAsync result completes normally after normal completion of source
3032	<	*/
3033	<	public void testThenRunAsyncE() {
3034	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3035	<	Noop r = new Noop();
3036	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3037	<	f.complete(null);
3038	<	checkCompletedNormally(g, null);
3039	<
3040	<	// reordered version
3041	<	f = new CompletableFuture<>();
3042	<	f.complete(null);
3043	<	r = new Noop();
3044	<	g = f.thenRunAsync(r, new ThreadExecutor());
3045	<	checkCompletedNormally(g, null);
3046	<	}
3047	<
3048	<	/**
3049	<	* thenRunAsync result completes exceptionally after exceptional
3050	<	* completion of source
3051	<	*/
3052	<	public void testThenRunAsync2E() {
3053	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3054	<	Noop r = new Noop();
3055	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3056	<	f.completeExceptionally(new CFException());
3057	<	try {
3058	<	g.join();
3059	<	shouldThrow();
3060	<	} catch (CompletionException success) {}
3061	<	checkCompletedWithWrappedCFException(g);
3062	<	}
3063	<
3064	<	/**
3065	<	* thenRunAsync result completes exceptionally if action does
3066	<	*/
3067	<	public void testThenRunAsync3E() {
3068	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3069	<	FailingNoop r = new FailingNoop();
3070	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3071	<	f.complete(null);
3072	<	checkCompletedWithWrappedCFException(g);
3073	<	}
3074	<
3075	<	/**
3076	<	* thenRunAsync result completes exceptionally if source cancelled
3077	<	*/
3078	<	public void testThenRunAsync4E() {
3079	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3080	<	Noop r = new Noop();
3081	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3082	<	assertTrue(f.cancel(true));
3083	<	checkCompletedWithWrappedCancellationException(g);
3084	<	}
3085	<
3086	<	/**
3087	<	* thenApplyAsync result completes normally after normal completion of source
3088	<	*/
3089	<	public void testThenApplyAsyncE() {
3090	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3091	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3092	<	f.complete(one);
3093	<	checkCompletedNormally(g, two);
3094	<	}
3095	<
3096	<	/**
3097	<	* thenApplyAsync result completes exceptionally after exceptional
3098	<	* completion of source
3099	<	*/
3100	<	public void testThenApplyAsync2E() {
3101	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3102	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3103	<	f.completeExceptionally(new CFException());
3104	<	checkCompletedWithWrappedCFException(g);
3105	<	}
3106	<
3107	<	/**
3108	<	* thenApplyAsync result completes exceptionally if action does
3109	<	*/
3110	<	public void testThenApplyAsync3E() {
3111	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3112	<	FailingFunction r = new FailingFunction();
3113	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3114	<	f.complete(null);
3115	<	checkCompletedWithWrappedCFException(g);
3116	<	}
3117	<
3118	<	/**
3119	<	* thenApplyAsync result completes exceptionally if source cancelled
3120	<	*/
3121	<	public void testThenApplyAsync4E() {
3122	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3123	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3124	<	assertTrue(f.cancel(true));
3125	<	checkCompletedWithWrappedCancellationException(g);
3126	<	}
3127	<
3128	<	/**
3129	<	* thenAcceptAsync result completes normally after normal
3130	<	* completion of source
3131	<	*/
3132	<	public void testThenAcceptAsyncE() {
3133	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3134	<	IncAction r = new IncAction();
3135	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3136	<	f.complete(one);
3137	<	checkCompletedNormally(g, null);
3138	<	assertEquals(r.value, (Integer) 2);
3139	<	}
3140	<
3141	<	/**
3142	<	* thenAcceptAsync result completes exceptionally after exceptional
3143	<	* completion of source
3144	<	*/
3145	<	public void testThenAcceptAsync2E() {
3146	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3147	<	IncAction r = new IncAction();
3148	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3149	<	f.completeExceptionally(new CFException());
3150	<	checkCompletedWithWrappedCFException(g);
3151	<	}
3152	<
3153	<	/**
3154	<	* thenAcceptAsync result completes exceptionally if action does
3155	<	*/
3156	<	public void testThenAcceptAsync3E() {
3157	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3158	<	FailingConsumer r = new FailingConsumer();
3159	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3160	<	f.complete(null);
3161	<	checkCompletedWithWrappedCFException(g);
3162	<	}
3030	>	public void testThenCompose_sourceCancelled() {
3031	>	for (ExecutionMode m : ExecutionMode.values())
3032	>	for (boolean createIncomplete : new boolean[] { true, false })
3033	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3034	>	{
3035	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3036	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3037	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3038	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3039	>	if (createIncomplete) {
3040	>	checkIncomplete(g);
3041	>	assertTrue(f.cancel(mayInterruptIfRunning));
3042	>	}
3043
3164	–	/**
3165	–	* thenAcceptAsync result completes exceptionally if source cancelled
3166	–	*/
3167	–	public void testThenAcceptAsync4E() {
3168	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3169	–	IncAction r = new IncAction();
3170	–	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3171	–	assertTrue(f.cancel(true));
3044		checkCompletedWithWrappedCancellationException(g);
3045	<	}
3046	<
3175	<	/**
3176	<	* thenComposeAsync result completes normally after normal
3177	<	* completion of source
3178	<	*/
3179	<	public void testThenComposeAsyncE() {
3180	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3181	<	CompletableFutureInc r = new CompletableFutureInc();
3182	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3183	<	f.complete(one);
3184	<	checkCompletedNormally(g, two);
3185	<	}
3186	<
3187	<	/**
3188	<	* thenComposeAsync result completes exceptionally after
3189	<	* exceptional completion of source
3190	<	*/
3191	<	public void testThenComposeAsync2E() {
3192	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3193	<	CompletableFutureInc r = new CompletableFutureInc();
3194	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3195	<	f.completeExceptionally(new CFException());
3196	<	checkCompletedWithWrappedCFException(g);
3197	<	}
3045	>	checkCancelled(f);
3046	>	}}
3047
3048		/**
3049	<	* thenComposeAsync result completes exceptionally if action does
3049	>	* thenCompose result completes exceptionally if the result of the action does
3050		*/
3051	<	public void testThenComposeAsync3E() {
3052	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3053	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3054	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3055	<	f.complete(one);
3056	<	checkCompletedWithWrappedCFException(g);
3057	<	}
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	<	/**
3096	<	* thenComposeAsync result completes exceptionally if source cancelled
3097	<	*/
3098	<	public void testThenComposeAsync4E() {
3214	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3215	<	CompletableFutureInc r = new CompletableFutureInc();
3216	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3217	<	assertTrue(f.cancel(true));
3218	<	checkCompletedWithWrappedCancellationException(g);
3219	<	}
3095	>	checkCompletedExceptionally(g, ex);
3096	>	checkCompletedWithWrappedException(h, ex);
3097	>	checkCompletedNormally(f, v1);
3098	>	}}
3099
3100		// other static methods
3101
#	Line 3234 | 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 3249 | 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 3280 | 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	>	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(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	<	for (int i = 0; i < k; ++i)
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 = 0; i < k; ++i) {
3253	<	fs[i].completeExceptionally(new CFException());
3254	<	checkCompletedWithWrappedCFException(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 3297 | 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;
3304	–	CompletableFuture<?> h;
3268		ThreadExecutor exec = new ThreadExecutor();
3269
3270		Runnable[] throwingActions = {
3271		() -> CompletableFuture.supplyAsync(null),
3272		() -> CompletableFuture.supplyAsync(null, exec),
3273	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3273	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3274
3275		() -> CompletableFuture.runAsync(null),
3276		() -> CompletableFuture.runAsync(null, exec),
#	Line 3317 | 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 3357 | 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 3380 | Line 3343 | public class CompletableFutureTest exten
3343
3344		() -> f.thenCompose(null),
3345		() -> f.thenComposeAsync(null),
3346	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3346	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3347		() -> f.thenComposeAsync(null, exec),
3348
3349		() -> f.exceptionally(null),
#	Line 3398 | 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 3405 | 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 3412 | 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
3417	<	* source result.
3536	>	* newIncompleteFuture returns an incomplete CompletableFuture
3537		*/
3538	<	public void testWhenComplete_normalCompletion1() {
3539	<	for (ExecutionMode m : ExecutionMode.values())
3540	<	for (Integer v1 : new Integer[] { 1, null }) {
3541	<
3542	<	final AtomicInteger a = new AtomicInteger();
3543	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3544	<	final CompletableFuture<Integer> g =
3426	<	m.whenComplete(f,
3427	<	(Integer x, Throwable t) -> {
3428	<	threadAssertSame(x, v1);
3429	<	threadAssertNull(t);
3430	<	a.getAndIncrement();
3431	<	});
3538	>	public void testNewIncompleteFuture() {
3539	>	for (Integer v1 : new Integer[] { 1, null })
3540	>	{
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	+	checkIncomplete(g);
3548	+	g.complete(v1);
3549	+	checkCompletedNormally(g, v1);
3550	+	assertSame(g.getClass(), CompletableFuture.class);
3551	+	}}
3552	+
3553	+	/**
3554	+	* completedStage returns a completed CompletionStage
3555	+	*/
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	+	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	<	assertEquals(a.get(), 1);
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	>	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	+	* Completion of a copy does not complete its source.
3641	+	*/
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	<	* whenComplete action executes on exceptional completion, propagating
3654	<	* source result.
3653	>	* minimalCompletionStage returns a CompletableFuture that is
3654	>	* completed normally, with the same value, when source is.
3655		*/
3656	<	public void testWhenComplete_exceptionalCompletion() {
3657	<	for (ExecutionMode m : ExecutionMode.values())
3658	<	for (Integer v1 : new Integer[] { 1, null }) {
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	<	final AtomicInteger a = new AtomicInteger();
3670	<	final CFException ex = new CFException();
3671	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3672	<	final CompletableFuture<Integer> g = m.whenComplete
3673	<	(f,
3674	<	(Integer x, Throwable t) -> {
3675	<	threadAssertNull(x);
3676	<	threadAssertSame(t, ex);
3677	<	a.getAndIncrement();
3678	<	});
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	<	checkCompletedWithWrappedCFException(f, ex);
3683	<	checkCompletedWithWrappedCFException(g, ex);
3684	<	assertEquals(a.get(), 1);
3461	<	}
3682	>	checkCompletedExceptionally(f, ex);
3683	>	assertEquals(x.get(), 0);
3684	>	assertEquals(r.get().getCause(), ex);
3685		}
3686
3687		/**
3688	<	* If a whenComplete action throws an exception when triggered by
3689	<	* a normal completion, it completes exceptionally
3688	>	* failedStage returns a CompletionStage completed
3689	>	* exceptionally with the given Exception
3690		*/
3691	<	public void testWhenComplete_actionFailed() {
3692	<	for (ExecutionMode m : ExecutionMode.values())
3693	<	for (Integer v1 : new Integer[] { 1, null }) {
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	<	final CFException ex = new CFException();
3702	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3703	<	final CompletableFuture<Integer> g = m.whenComplete
3704	<	(f,
3705	<	(Integer x, Throwable t) -> {
3706	<	threadAssertSame(x, v1);
3707	<	threadAssertNull(t);
3708	<	throw ex;
3709	<	});
3481	<	f.complete(v1);
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	<	checkCompletedWithWrappedCFException(g, ex);
3712	<	}
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	<	* If a whenComplete action throws an exception when triggered by
3489	<	* a source completion that also throws an exception, the source
3490	<	* exception takes precedence.
3728	>	* completeAsync with given executor completes with value of given supplier
3729		*/
3730	<	public void testWhenComplete_actionFailedSourceFailed() {
3731	<	for (ExecutionMode m : ExecutionMode.values())
3732	<	for (Integer v1 : new Integer[] { 1, null }) {
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	<	final CFException ex1 = new CFException();
3742	<	final CFException ex2 = new CFException();
3743	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3744	<	final CompletableFuture<Integer> g = m.whenComplete
3745	<	(f,
3746	<	(Integer x, Throwable t) -> {
3747	<	threadAssertSame(t, ex1);
3748	<	threadAssertNull(x);
3749	<	throw ex2;
3750	<	});
3751	<	f.completeExceptionally(ex1);
3752	<	checkCompletedWithWrappedCFException(f, ex1);
3753	<	checkCompletedWithWrappedCFException(g, ex1);
3754	<	}
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	<	* handleAsync action completes normally with function value on
3514	<	* either normal or exceptional completion of source
3759	>	* orTimeout completes with TimeoutException if not complete
3760		*/
3761	<	public void testHandleAsync() {
3762	<	CompletableFuture<Integer> f, g;
3763	<	IntegerHandler r;
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	<	f = new CompletableFuture<>();
3771	<	g = f.handleAsync(r = new IntegerHandler());
3772	<	assertFalse(r.ran);
3773	<	f.completeExceptionally(new CFException());
3774	<	checkCompletedWithWrappedCFException(f);
3775	<	checkCompletedNormally(g, three);
3776	<	assertTrue(r.ran);
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	<	f = new CompletableFuture<>();
3789	<	g = f.handleAsync(r = new IntegerHandler());
3790	<	assertFalse(r.ran);
3791	<	f.completeExceptionally(new CFException());
3792	<	checkCompletedWithWrappedCFException(f);
3793	<	checkCompletedNormally(g, three);
3794	<	assertTrue(r.ran);
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	<	f = new CompletableFuture<>();
3797	<	g = f.handleAsync(r = new IntegerHandler());
3798	<	assertFalse(r.ran);
3799	<	f.complete(one);
3800	<	checkCompletedNormally(f, one);
3801	<	checkCompletedNormally(g, two);
3802	<	assertTrue(r.ran);
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	<	f = new CompletableFuture<>();
3811	<	g = f.handleAsync(r = new IntegerHandler());
3812	<	assertFalse(r.ran);
3813	<	f.complete(one);
3814	<	checkCompletedNormally(f, one);
3815	<	checkCompletedNormally(g, two);
3816	<	assertTrue(r.ran);
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())
3896	>	{
3897	>	final CFException ex = new CFException();
3898	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3899	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3900	>
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	>	* 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	<	* handleAsync action with Executor completes normally with
4055	<	* function value on either normal or exceptional completion of
3556	<	* source
4054	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4055	>	* is completed normally, with the same value, when source is.
4056		*/
4057	<	public void testHandleAsync2() {
4058	<	CompletableFuture<Integer> f, g;
4059	<	ThreadExecutor exec = new ThreadExecutor();
4060	<	IntegerHandler r;
4057	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4058	>	for (boolean createIncomplete : new boolean[] { true, false })
4059	>	for (Integer v1 : new Integer[] { 1, null })
4060	>	{
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	>	checkCompletedNormally(g, v1);
4072	>	}}
4073
4074	<	f = new CompletableFuture<>();
4075	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4076	<	assertFalse(r.ran);
4077	<	f.completeExceptionally(new CFException());
4078	<	checkCompletedWithWrappedCFException(f);
4079	<	checkCompletedNormally(g, three);
4080	<	assertTrue(r.ran);
4074	>	/**
4075	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4076	>	* is completed exceptionally when source is.
4077	>	*/
4078	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4079	>	for (boolean createIncomplete : new boolean[] { true, false })
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	<	f = new CompletableFuture<>();
4096	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4097	<	assertFalse(r.ran);
4098	<	f.completeExceptionally(new CFException());
4099	<	checkCompletedWithWrappedCFException(f);
4100	<	checkCompletedNormally(g, three);
4101	<	assertTrue(r.ran);
4095	>	/**
4096	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4097	>	*/
4098	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4099	>	for (Integer v1 : new Integer[] { 1, null })
4100	>	{
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	<	f = new CompletableFuture<>();
4111	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4112	<	assertFalse(r.ran);
4113	<	f.complete(one);
4114	<	checkCompletedNormally(f, one);
4115	<	checkCompletedNormally(g, two);
4116	<	assertTrue(r.ran);
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	>	/**
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	<	f = new CompletableFuture<>();
4144	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4145	<	assertFalse(r.ran);
4146	<	f.complete(one);
4147	<	checkCompletedNormally(f, one);
4148	<	checkCompletedNormally(g, two);
4149	<	assertTrue(r.ran);
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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