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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.34 by jsr166, Sun Jun 1 21:17:05 2014 UTC vs.
Revision 1.192 by jsr166, Tue Jan 23 20:44:11 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;
22	<	import static java.util.concurrent.TimeUnit.SECONDS;
23	<	import java.util.*;
24	<	import java.util.function.Supplier;
25	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
27	–	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 41 | Line 58 | public class CompletableFutureTest exten
58		void checkIncomplete(CompletableFuture<?> f) {
59		assertFalse(f.isDone());
60		assertFalse(f.isCancelled());
61	<	assertTrue(f.toString().contains("[Not completed]"));
61	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
62		try {
63		assertNull(f.getNow(null));
64		} catch (Throwable fail) { threadUnexpectedException(fail); }
65		try {
66	<	f.get(0L, SECONDS);
66	>	f.get(randomExpiredTimeout(), randomTimeUnit());
67		shouldThrow();
68		}
69		catch (TimeoutException success) {}
#	Line 54 | Line 71 | public class CompletableFutureTest exten
71		}
72
73		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
74	<	try {
75	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
59	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
74	>	checkTimedGet(f, value);
75	>
76		try {
77		assertEquals(value, f.join());
62	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
63	–	try {
78		assertEquals(value, f.getNow(null));
65	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
66	–	try {
79		assertEquals(value, f.get());
80		} catch (Throwable fail) { threadUnexpectedException(fail); }
81		assertTrue(f.isDone());
82		assertFalse(f.isCancelled());
83		assertFalse(f.isCompletedExceptionally());
84	<	assertTrue(f.toString().contains("[Completed normally]"));
84	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
85		}
86
87	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
88	<	try {
89	<	f.get(LONG_DELAY_MS, MILLISECONDS);
90	<	shouldThrow();
91	<	} catch (ExecutionException success) {
92	<	assertTrue(success.getCause() instanceof CFException);
93	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
94	<	try {
83	<	f.join();
84	<	shouldThrow();
85	<	} catch (CompletionException success) {
86	<	assertTrue(success.getCause() instanceof CFException);
87	<	}
88	<	try {
89	<	f.getNow(null);
90	<	shouldThrow();
91	<	} catch (CompletionException success) {
92	<	assertTrue(success.getCause() instanceof CFException);
93	<	}
94	<	try {
95	<	f.get();
96	<	shouldThrow();
97	<	} catch (ExecutionException success) {
98	<	assertTrue(success.getCause() instanceof CFException);
99	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
100	<	assertTrue(f.isDone());
101	<	assertFalse(f.isCancelled());
102	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
87	>	/**
88	>	* Returns the "raw" internal exceptional completion of f,
89	>	* without any additional wrapping with CompletionException.
90	>	*/
91	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
92	>	// handle (and whenComplete and exceptionally) can distinguish
93	>	// between "direct" and "wrapped" exceptional completion
94	>	return f.handle((u, t) -> t).join();
95		}
96
97	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
98	<	CFException ex) {
97	>	void checkCompletedExceptionally(CompletableFuture<?> f,
98	>	boolean wrapped,
99	>	Consumer<Throwable> checker) {
100	>	Throwable cause = exceptionalCompletion(f);
101	>	if (wrapped) {
102	>	assertTrue(cause instanceof CompletionException);
103	>	cause = cause.getCause();
104	>	}
105	>	checker.accept(cause);
106	>
107	>	long startTime = System.nanoTime();
108		try {
109		f.get(LONG_DELAY_MS, MILLISECONDS);
110		shouldThrow();
111		} catch (ExecutionException success) {
112	<	assertSame(ex, success.getCause());
112	>	assertSame(cause, success.getCause());
113		} catch (Throwable fail) { threadUnexpectedException(fail); }
114	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
115	+
116		try {
117		f.join();
118		shouldThrow();
119		} catch (CompletionException success) {
120	<	assertSame(ex, success.getCause());
121	<	}
120	>	assertSame(cause, success.getCause());
121	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
122	>
123		try {
124		f.getNow(null);
125		shouldThrow();
126		} catch (CompletionException success) {
127	<	assertSame(ex, success.getCause());
128	<	}
127	>	assertSame(cause, success.getCause());
128	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
129	>
130		try {
131		f.get();
132		shouldThrow();
133		} catch (ExecutionException success) {
134	<	assertSame(ex, success.getCause());
134	>	assertSame(cause, success.getCause());
135		} catch (Throwable fail) { threadUnexpectedException(fail); }
136	<	assertTrue(f.isDone());
136	>
137		assertFalse(f.isCancelled());
138	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
138	>	assertTrue(f.isDone());
139	>	assertTrue(f.isCompletedExceptionally());
140	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
141	>	}
142	>
143	>	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
144	>	checkCompletedExceptionally(f, true,
145	>	t -> assertTrue(t instanceof CFException));
146	>	}
147	>
148	>	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
149	>	checkCompletedExceptionally(f, true,
150	>	t -> assertTrue(t instanceof CancellationException));
151	>	}
152	>
153	>	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
154	>	checkCompletedExceptionally(f, false,
155	>	t -> assertTrue(t instanceof TimeoutException));
156	>	}
157	>
158	>	void checkCompletedWithWrappedException(CompletableFuture<?> f,
159	>	Throwable ex) {
160	>	checkCompletedExceptionally(f, true, t -> assertSame(t, ex));
161	>	}
162	>
163	>	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
164	>	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
165		}
166
167		void checkCancelled(CompletableFuture<?> f) {
168	+	long startTime = System.nanoTime();
169		try {
170		f.get(LONG_DELAY_MS, MILLISECONDS);
171		shouldThrow();
172		} catch (CancellationException success) {
173		} catch (Throwable fail) { threadUnexpectedException(fail); }
174	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
175	+
176		try {
177		f.join();
178		shouldThrow();
#	Line 152 | Line 186 | public class CompletableFutureTest exten
186		shouldThrow();
187		} catch (CancellationException success) {
188		} catch (Throwable fail) { threadUnexpectedException(fail); }
155	–	assertTrue(f.isDone());
156	–	assertTrue(f.isCompletedExceptionally());
157	–	assertTrue(f.isCancelled());
158	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
159	–	}
189
190	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
191	<	try {
163	<	f.get(LONG_DELAY_MS, MILLISECONDS);
164	<	shouldThrow();
165	<	} catch (ExecutionException success) {
166	<	assertTrue(success.getCause() instanceof CancellationException);
167	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
168	<	try {
169	<	f.join();
170	<	shouldThrow();
171	<	} catch (CompletionException success) {
172	<	assertTrue(success.getCause() instanceof CancellationException);
173	<	}
174	<	try {
175	<	f.getNow(null);
176	<	shouldThrow();
177	<	} catch (CompletionException success) {
178	<	assertTrue(success.getCause() instanceof CancellationException);
179	<	}
180	<	try {
181	<	f.get();
182	<	shouldThrow();
183	<	} catch (ExecutionException success) {
184	<	assertTrue(success.getCause() instanceof CancellationException);
185	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
190	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
191	>
192		assertTrue(f.isDone());
187	–	assertFalse(f.isCancelled());
193		assertTrue(f.isCompletedExceptionally());
194	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
194	>	assertTrue(f.isCancelled());
195	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
196		}
197
198		/**
#	Line 203 | Line 209 | public class CompletableFutureTest exten
209		* isCancelled, join, get, and getNow
210		*/
211		public void testComplete() {
212	+	for (Integer v1 : new Integer[] { 1, null })
213	+	{
214		CompletableFuture<Integer> f = new CompletableFuture<>();
215		checkIncomplete(f);
216	<	f.complete(one);
217	<	checkCompletedNormally(f, one);
218	<	}
216	>	assertTrue(f.complete(v1));
217	>	assertFalse(f.complete(v1));
218	>	checkCompletedNormally(f, v1);
219	>	}}
220
221		/**
222		* completeExceptionally completes exceptionally, as indicated by
#	Line 215 | Line 224 | public class CompletableFutureTest exten
224		*/
225		public void testCompleteExceptionally() {
226		CompletableFuture<Integer> f = new CompletableFuture<>();
227	+	CFException ex = new CFException();
228		checkIncomplete(f);
229	<	f.completeExceptionally(new CFException());
230	<	checkCompletedWithWrappedCFException(f);
229	>	f.completeExceptionally(ex);
230	>	checkCompletedExceptionally(f, ex);
231		}
232
233		/**
#	Line 225 | Line 235 | public class CompletableFutureTest exten
235		* methods isDone, isCancelled, join, get, and getNow
236		*/
237		public void testCancel() {
238	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
239	+	{
240		CompletableFuture<Integer> f = new CompletableFuture<>();
241		checkIncomplete(f);
242	<	assertTrue(f.cancel(true));
242	>	assertTrue(f.cancel(mayInterruptIfRunning));
243	>	assertTrue(f.cancel(mayInterruptIfRunning));
244	>	assertTrue(f.cancel(!mayInterruptIfRunning));
245		checkCancelled(f);
246	<	}
246	>	}}
247
248		/**
249		* obtrudeValue forces completion with given value
#	Line 237 | Line 251 | public class CompletableFutureTest exten
251		public void testObtrudeValue() {
252		CompletableFuture<Integer> f = new CompletableFuture<>();
253		checkIncomplete(f);
254	<	f.complete(one);
254	>	assertTrue(f.complete(one));
255		checkCompletedNormally(f, one);
256		f.obtrudeValue(three);
257		checkCompletedNormally(f, three);
#	Line 246 | Line 260 | public class CompletableFutureTest exten
260		f = new CompletableFuture<>();
261		f.obtrudeValue(three);
262		checkCompletedNormally(f, three);
263	+	f.obtrudeValue(null);
264	+	checkCompletedNormally(f, null);
265		f = new CompletableFuture<>();
266		f.completeExceptionally(new CFException());
267		f.obtrudeValue(four);
#	Line 256 | Line 272 | public class CompletableFutureTest exten
272		* obtrudeException forces completion with given exception
273		*/
274		public void testObtrudeException() {
275	<	CompletableFuture<Integer> f = new CompletableFuture<>();
276	<	checkIncomplete(f);
277	<	f.complete(one);
278	<	checkCompletedNormally(f, one);
279	<	f.obtrudeException(new CFException());
280	<	checkCompletedWithWrappedCFException(f);
275	>	for (Integer v1 : new Integer[] { 1, null })
276	>	{
277	>	CFException ex;
278	>	CompletableFuture<Integer> f;
279	>
280	>	f = new CompletableFuture<>();
281	>	assertTrue(f.complete(v1));
282	>	for (int i = 0; i < 2; i++) {
283	>	f.obtrudeException(ex = new CFException());
284	>	checkCompletedExceptionally(f, ex);
285	>	}
286	>
287		f = new CompletableFuture<>();
288	<	f.obtrudeException(new CFException());
289	<	checkCompletedWithWrappedCFException(f);
288	>	for (int i = 0; i < 2; i++) {
289	>	f.obtrudeException(ex = new CFException());
290	>	checkCompletedExceptionally(f, ex);
291	>	}
292	>
293		f = new CompletableFuture<>();
294	+	f.completeExceptionally(ex = new CFException());
295	+	f.obtrudeValue(v1);
296	+	checkCompletedNormally(f, v1);
297	+	f.obtrudeException(ex = new CFException());
298	+	checkCompletedExceptionally(f, ex);
299		f.completeExceptionally(new CFException());
300	<	f.obtrudeValue(four);
301	<	checkCompletedNormally(f, four);
302	<	f.obtrudeException(new CFException());
303	<	checkCompletedWithWrappedCFException(f);
274	<	}
300	>	checkCompletedExceptionally(f, ex);
301	>	assertFalse(f.complete(v1));
302	>	checkCompletedExceptionally(f, ex);
303	>	}}
304
305		/**
306		* getNumberOfDependents returns number of dependent tasks
307		*/
308		public void testGetNumberOfDependents() {
309	+	for (ExecutionMode m : ExecutionMode.values())
310	+	for (Integer v1 : new Integer[] { 1, null })
311	+	{
312		CompletableFuture<Integer> f = new CompletableFuture<>();
313	<	assertEquals(f.getNumberOfDependents(), 0);
314	<	CompletableFuture g = f.thenRun(new Noop());
315	<	assertEquals(f.getNumberOfDependents(), 1);
316	<	assertEquals(g.getNumberOfDependents(), 0);
317	<	CompletableFuture h = f.thenRun(new Noop());
318	<	assertEquals(f.getNumberOfDependents(), 2);
319	<	f.complete(1);
313	>	assertEquals(0, f.getNumberOfDependents());
314	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
315	>	assertEquals(1, f.getNumberOfDependents());
316	>	assertEquals(0, g.getNumberOfDependents());
317	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
318	>	assertEquals(2, f.getNumberOfDependents());
319	>	assertEquals(0, h.getNumberOfDependents());
320	>	assertTrue(f.complete(v1));
321		checkCompletedNormally(g, null);
322	<	assertEquals(f.getNumberOfDependents(), 0);
323	<	assertEquals(g.getNumberOfDependents(), 0);
324	<	}
322	>	checkCompletedNormally(h, null);
323	>	assertEquals(0, f.getNumberOfDependents());
324	>	assertEquals(0, g.getNumberOfDependents());
325	>	assertEquals(0, h.getNumberOfDependents());
326	>	}}
327
328		/**
329		* toString indicates current completion state
330		*/
331	<	public void testToString() {
332	<	CompletableFuture<String> f;
333	<
334	<	f = new CompletableFuture<String>();
335	<	assertTrue(f.toString().contains("[Not completed]"));
336	<
337	<	f.complete("foo");
338	<	assertTrue(f.toString().contains("[Completed normally]"));
339	<
340	<	f = new CompletableFuture<String>();
341	<	f.completeExceptionally(new IndexOutOfBoundsException());
342	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
331	>	public void testToString_incomplete() {
332	>	CompletableFuture<String> f = new CompletableFuture<>();
333	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
334	>	if (testImplementationDetails)
335	>	assertEquals(identityString(f) + "[Not completed]",
336	>	f.toString());
337	>	}
338	>
339	>	public void testToString_normal() {
340	>	CompletableFuture<String> f = new CompletableFuture<>();
341	>	assertTrue(f.complete("foo"));
342	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
343	>	if (testImplementationDetails)
344	>	assertEquals(identityString(f) + "[Completed normally]",
345	>	f.toString());
346	>	}
347	>
348	>	public void testToString_exception() {
349	>	CompletableFuture<String> f = new CompletableFuture<>();
350	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
351	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
352	>	if (testImplementationDetails)
353	>	assertTrue(f.toString().startsWith(
354	>	identityString(f) + "[Completed exceptionally: "));
355	>	}
356	>
357	>	public void testToString_cancelled() {
358	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
359	>	CompletableFuture<String> f = new CompletableFuture<>();
360	>	assertTrue(f.cancel(mayInterruptIfRunning));
361	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
362	>	if (testImplementationDetails)
363	>	assertTrue(f.toString().startsWith(
364	>	identityString(f) + "[Completed exceptionally: "));
365	>	}
366		}
367
368		/**
#	Line 315 | Line 373 | public class CompletableFutureTest exten
373		checkCompletedNormally(f, "test");
374		}
375
376	<	// Choose non-commutative actions for better coverage
377	<
378	<	static final Supplier<Integer> supplyOne =
379	<	() -> Integer.valueOf(1);
380	<	static final Function<Integer, Integer> inc =
381	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
382	<	static final BiFunction<Integer, Integer, Integer> subtract =
325	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
326	<	static final class IncAction implements Consumer<Integer> {
327	<	int value;
328	<	public void accept(Integer x) { value = x.intValue() + 1; }
329	<	}
330	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
331	<	int value;
332	<	public void accept(Integer x, Integer y) {
333	<	value = x.intValue() - y.intValue();
376	>	abstract static class CheckedAction {
377	>	int invocationCount = 0;
378	>	final ExecutionMode m;
379	>	CheckedAction(ExecutionMode m) { this.m = m; }
380	>	void invoked() {
381	>	m.checkExecutionMode();
382	>	assertEquals(0, invocationCount++);
383		}
384	<	}
385	<	static final class Noop implements Runnable {
337	<	boolean ran;
338	<	public void run() { ran = true; }
384	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
385	>	void assertInvoked() { assertEquals(1, invocationCount); }
386		}
387
388	<	static final class FailingSupplier implements Supplier<Integer> {
389	<	boolean ran;
390	<	public Integer get() { ran = true; throw new CFException(); }
391	<	}
392	<	static final class FailingConsumer implements Consumer<Integer> {
393	<	boolean ran;
347	<	public void accept(Integer x) { ran = true; throw new CFException(); }
348	<	}
349	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
350	<	boolean ran;
351	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
352	<	}
353	<	static final class FailingFunction implements Function<Integer, Integer> {
354	<	boolean ran;
355	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
356	<	}
357	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
358	<	boolean ran;
359	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
360	<	}
361	<	static final class FailingNoop implements Runnable {
362	<	boolean ran;
363	<	public void run() { ran = true; throw new CFException(); }
364	<	}
365	<
366	<	static final class CompletableFutureInc
367	<	implements Function<Integer, CompletableFuture<Integer>> {
368	<	boolean ran;
369	<	public CompletableFuture<Integer> apply(Integer x) {
370	<	ran = true;
371	<	CompletableFuture<Integer> f = new CompletableFuture<>();
372	<	f.complete(Integer.valueOf(x.intValue() + 1));
373	<	return f;
388	>	abstract static class CheckedIntegerAction extends CheckedAction {
389	>	Integer value;
390	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
391	>	void assertValue(Integer expected) {
392	>	assertInvoked();
393	>	assertEquals(expected, value);
394		}
395		}
396
397	<	static final class FailingCompletableFutureFunction
398	<	implements Function<Integer, CompletableFuture<Integer>> {
399	<	boolean ran;
400	<	public CompletableFuture<Integer> apply(Integer x) {
401	<	ran = true; throw new CFException();
397	>	static class IntegerSupplier extends CheckedAction
398	>	implements Supplier<Integer>
399	>	{
400	>	final Integer value;
401	>	IntegerSupplier(ExecutionMode m, Integer value) {
402	>	super(m);
403	>	this.value = value;
404		}
405	<	}
406	<
407	<	// Used for explicit executor tests
386	<	static final class ThreadExecutor implements Executor {
387	<	AtomicInteger count = new AtomicInteger(0);
388	<
389	<	public void execute(Runnable r) {
390	<	count.getAndIncrement();
391	<	new Thread(r).start();
405	>	public Integer get() {
406	>	invoked();
407	>	return value;
408		}
409		}
410
411	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
412	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
411	>	// A function that handles and produces null values as well.
412	>	static Integer inc(Integer x) {
413	>	return (x == null) ? null : x + 1;
414		}
415
416	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
417	<	boolean ran;
418	<	public Integer apply(Integer x, Throwable t) {
419	<	ran = true;
420	<	return (t == null) ? two : three;
416	>	static class NoopConsumer extends CheckedIntegerAction
417	>	implements Consumer<Integer>
418	>	{
419	>	NoopConsumer(ExecutionMode m) { super(m); }
420	>	public void accept(Integer x) {
421	>	invoked();
422	>	value = x;
423		}
424		}
425
426	<	/**
427	<	* exceptionally action completes with function value on source
428	<	* exception; otherwise with source value
429	<	*/
430	<	public void testExceptionally() {
431	<	CompletableFuture<Integer> f = new CompletableFuture<>();
432	<	ExceptionToInteger r = new ExceptionToInteger();
433	<	CompletableFuture<Integer> g = f.exceptionally(r);
415	<	f.completeExceptionally(new CFException());
416	<	checkCompletedNormally(g, three);
417	<
418	<	f = new CompletableFuture<>();
419	<	r = new ExceptionToInteger();
420	<	g = f.exceptionally(r);
421	<	f.complete(one);
422	<	checkCompletedNormally(g, one);
423	<	}
424	<
425	<	/**
426	<	* handle action completes normally with function value on either
427	<	* normal or exceptional completion of source
428	<	*/
429	<	public void testHandle() {
430	<	CompletableFuture<Integer> f, g;
431	<	IntegerHandler r;
432	<
433	<	f = new CompletableFuture<>();
434	<	f.completeExceptionally(new CFException());
435	<	g = f.handle(r = new IntegerHandler());
436	<	assertTrue(r.ran);
437	<	checkCompletedNormally(g, three);
438	<
439	<	f = new CompletableFuture<>();
440	<	g = f.handle(r = new IntegerHandler());
441	<	assertFalse(r.ran);
442	<	f.completeExceptionally(new CFException());
443	<	checkCompletedNormally(g, three);
444	<	assertTrue(r.ran);
445	<
446	<	f = new CompletableFuture<>();
447	<	f.complete(one);
448	<	g = f.handle(r = new IntegerHandler());
449	<	assertTrue(r.ran);
450	<	checkCompletedNormally(g, two);
451	<
452	<	f = new CompletableFuture<>();
453	<	g = f.handle(r = new IntegerHandler());
454	<	assertFalse(r.ran);
455	<	f.complete(one);
456	<	assertTrue(r.ran);
457	<	checkCompletedNormally(g, two);
458	<	}
459	<
460	<	/**
461	<	* runAsync completes after running Runnable
462	<	*/
463	<	public void testRunAsync() {
464	<	Noop r = new Noop();
465	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
466	<	assertNull(f.join());
467	<	assertTrue(r.ran);
468	<	checkCompletedNormally(f, null);
469	<	}
470	<
471	<	/**
472	<	* runAsync with executor completes after running Runnable
473	<	*/
474	<	public void testRunAsync2() {
475	<	Noop r = new Noop();
476	<	ThreadExecutor exec = new ThreadExecutor();
477	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
478	<	assertNull(f.join());
479	<	assertTrue(r.ran);
480	<	checkCompletedNormally(f, null);
481	<	assertEquals(1, exec.count.get());
482	<	}
483	<
484	<	/**
485	<	* failing runAsync completes exceptionally after running Runnable
486	<	*/
487	<	public void testRunAsync3() {
488	<	FailingNoop r = new FailingNoop();
489	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
490	<	checkCompletedWithWrappedCFException(f);
491	<	assertTrue(r.ran);
492	<	}
493	<
494	<	/**
495	<	* supplyAsync completes with result of supplier
496	<	*/
497	<	public void testSupplyAsync() {
498	<	CompletableFuture<Integer> f;
499	<	f = CompletableFuture.supplyAsync(supplyOne);
500	<	assertEquals(f.join(), one);
501	<	checkCompletedNormally(f, one);
502	<	}
503	<
504	<	/**
505	<	* supplyAsync with executor completes with result of supplier
506	<	*/
507	<	public void testSupplyAsync2() {
508	<	CompletableFuture<Integer> f;
509	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
510	<	assertEquals(f.join(), one);
511	<	checkCompletedNormally(f, one);
512	<	}
513	<
514	<	/**
515	<	* Failing supplyAsync completes exceptionally
516	<	*/
517	<	public void testSupplyAsync3() {
518	<	FailingSupplier r = new FailingSupplier();
519	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
520	<	checkCompletedWithWrappedCFException(f);
521	<	assertTrue(r.ran);
522	<	}
523	<
524	<	// seq completion methods
525	<
526	<	/**
527	<	* thenRun result completes normally after normal completion of source
528	<	*/
529	<	public void testThenRun() {
530	<	CompletableFuture<Integer> f;
531	<	CompletableFuture<Void> g;
532	<	Noop r;
533	<
534	<	f = new CompletableFuture<>();
535	<	g = f.thenRun(r = new Noop());
536	<	f.complete(null);
537	<	checkCompletedNormally(g, null);
538	<	assertTrue(r.ran);
539	<
540	<	f = new CompletableFuture<>();
541	<	f.complete(null);
542	<	g = f.thenRun(r = new Noop());
543	<	checkCompletedNormally(g, null);
544	<	assertTrue(r.ran);
545	<	}
546	<
547	<	/**
548	<	* thenRun result completes exceptionally after exceptional
549	<	* completion of source
550	<	*/
551	<	public void testThenRun2() {
552	<	CompletableFuture<Integer> f;
553	<	CompletableFuture<Void> g;
554	<	Noop r;
555	<
556	<	f = new CompletableFuture<>();
557	<	g = f.thenRun(r = new Noop());
558	<	f.completeExceptionally(new CFException());
559	<	checkCompletedWithWrappedCFException(g);
560	<	assertFalse(r.ran);
561	<
562	<	f = new CompletableFuture<>();
563	<	f.completeExceptionally(new CFException());
564	<	g = f.thenRun(r = new Noop());
565	<	checkCompletedWithWrappedCFException(g);
566	<	assertFalse(r.ran);
567	<	}
568	<
569	<	/**
570	<	* thenRun result completes exceptionally if action does
571	<	*/
572	<	public void testThenRun3() {
573	<	CompletableFuture<Integer> f;
574	<	CompletableFuture<Void> g;
575	<	FailingNoop r;
576	<
577	<	f = new CompletableFuture<>();
578	<	g = f.thenRun(r = new FailingNoop());
579	<	f.complete(null);
580	<	checkCompletedWithWrappedCFException(g);
581	<
582	<	f = new CompletableFuture<>();
583	<	f.complete(null);
584	<	g = f.thenRun(r = new FailingNoop());
585	<	checkCompletedWithWrappedCFException(g);
586	<	}
587	<
588	<	/**
589	<	* thenRun result completes exceptionally if source cancelled
590	<	*/
591	<	public void testThenRun4() {
592	<	CompletableFuture<Integer> f;
593	<	CompletableFuture<Void> g;
594	<	Noop r;
595	<
596	<	f = new CompletableFuture<>();
597	<	g = f.thenRun(r = new Noop());
598	<	assertTrue(f.cancel(true));
599	<	checkCompletedWithWrappedCancellationException(g);
600	<
601	<	f = new CompletableFuture<>();
602	<	assertTrue(f.cancel(true));
603	<	g = f.thenRun(r = new Noop());
604	<	checkCompletedWithWrappedCancellationException(g);
605	<	}
606	<
607	<	/**
608	<	* thenApply result completes normally after normal completion of source
609	<	*/
610	<	public void testThenApply() {
611	<	CompletableFuture<Integer> f = new CompletableFuture<>();
612	<	CompletableFuture<Integer> g = f.thenApply(inc);
613	<	f.complete(one);
614	<	checkCompletedNormally(g, two);
426	>	static class IncFunction extends CheckedIntegerAction
427	>	implements Function<Integer,Integer>
428	>	{
429	>	IncFunction(ExecutionMode m) { super(m); }
430	>	public Integer apply(Integer x) {
431	>	invoked();
432	>	return value = inc(x);
433	>	}
434		}
435
436	<	/**
437	<	* thenApply result completes exceptionally after exceptional
438	<	* completion of source
439	<	*/
440	<	public void testThenApply2() {
441	<	CompletableFuture<Integer> f = new CompletableFuture<>();
623	<	CompletableFuture<Integer> g = f.thenApply(inc);
624	<	f.completeExceptionally(new CFException());
625	<	checkCompletedWithWrappedCFException(g);
436	>	// Choose non-commutative actions for better coverage
437	>	// A non-commutative function that handles and produces null values as well.
438	>	static Integer subtract(Integer x, Integer y) {
439	>	return (x == null && y == null) ? null :
440	>	((x == null) ? 42 : x.intValue())
441	>	- ((y == null) ? 99 : y.intValue());
442		}
443
444	<	/**
445	<	* thenApply result completes exceptionally if action does
446	<	*/
447	<	public void testThenApply3() {
448	<	CompletableFuture<Integer> f = new CompletableFuture<>();
449	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
450	<	f.complete(one);
451	<	checkCompletedWithWrappedCFException(g);
444	>	static class SubtractAction extends CheckedIntegerAction
445	>	implements BiConsumer<Integer, Integer>
446	>	{
447	>	SubtractAction(ExecutionMode m) { super(m); }
448	>	public void accept(Integer x, Integer y) {
449	>	invoked();
450	>	value = subtract(x, y);
451	>	}
452		}
453
454	<	/**
455	<	* thenApply result completes exceptionally if source cancelled
456	<	*/
457	<	public void testThenApply4() {
458	<	CompletableFuture<Integer> f = new CompletableFuture<>();
459	<	CompletableFuture<Integer> g = f.thenApply(inc);
460	<	assertTrue(f.cancel(true));
461	<	checkCompletedWithWrappedCancellationException(g);
454	>	static class SubtractFunction extends CheckedIntegerAction
455	>	implements BiFunction<Integer, Integer, Integer>
456	>	{
457	>	SubtractFunction(ExecutionMode m) { super(m); }
458	>	public Integer apply(Integer x, Integer y) {
459	>	invoked();
460	>	return value = subtract(x, y);
461	>	}
462		}
463
464	<	/**
465	<	* thenAccept result completes normally after normal completion of source
466	<	*/
467	<	public void testThenAccept() {
468	<	CompletableFuture<Integer> f = new CompletableFuture<>();
653	<	IncAction r = new IncAction();
654	<	CompletableFuture<Void> g = f.thenAccept(r);
655	<	f.complete(one);
656	<	checkCompletedNormally(g, null);
657	<	assertEquals(r.value, 2);
464	>	static class Noop extends CheckedAction implements Runnable {
465	>	Noop(ExecutionMode m) { super(m); }
466	>	public void run() {
467	>	invoked();
468	>	}
469		}
470
471	<	/**
472	<	* thenAccept result completes exceptionally after exceptional
473	<	* completion of source
474	<	*/
475	<	public void testThenAccept2() {
476	<	CompletableFuture<Integer> f = new CompletableFuture<>();
477	<	IncAction r = new IncAction();
478	<	CompletableFuture<Void> g = f.thenAccept(r);
479	<	f.completeExceptionally(new CFException());
669	<	checkCompletedWithWrappedCFException(g);
471	>	static class FailingSupplier extends CheckedAction
472	>	implements Supplier<Integer>
473	>	{
474	>	final CFException ex;
475	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
476	>	public Integer get() {
477	>	invoked();
478	>	throw ex;
479	>	}
480		}
481
482	<	/**
483	<	* thenAccept result completes exceptionally if action does
484	<	*/
485	<	public void testThenAccept3() {
486	<	CompletableFuture<Integer> f = new CompletableFuture<>();
487	<	FailingConsumer r = new FailingConsumer();
488	<	CompletableFuture<Void> g = f.thenAccept(r);
489	<	f.complete(one);
490	<	checkCompletedWithWrappedCFException(g);
491	<	assertTrue(r.ran);
482	>	static class FailingConsumer extends CheckedIntegerAction
483	>	implements Consumer<Integer>
484	>	{
485	>	final CFException ex;
486	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
487	>	public void accept(Integer x) {
488	>	invoked();
489	>	value = x;
490	>	throw ex;
491	>	}
492		}
493
494	<	/**
495	<	* thenAccept result completes exceptionally if source cancelled
496	<	*/
497	<	public void testThenAccept4() {
498	<	CompletableFuture<Integer> f = new CompletableFuture<>();
499	<	IncAction r = new IncAction();
500	<	CompletableFuture<Void> g = f.thenAccept(r);
501	<	assertTrue(f.cancel(true));
502	<	checkCompletedWithWrappedCancellationException(g);
494	>	static class FailingBiConsumer extends CheckedIntegerAction
495	>	implements BiConsumer<Integer, Integer>
496	>	{
497	>	final CFException ex;
498	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
499	>	public void accept(Integer x, Integer y) {
500	>	invoked();
501	>	value = subtract(x, y);
502	>	throw ex;
503	>	}
504		}
505
506	<	/**
507	<	* thenCombine result completes normally after normal completion
508	<	* of sources
509	<	*/
510	<	public void testThenCombine() {
511	<	CompletableFuture<Integer> f, g, h;
512	<
513	<	f = new CompletableFuture<>();
514	<	g = new CompletableFuture<>();
515	<	h = f.thenCombine(g, subtract);
705	<	f.complete(3);
706	<	checkIncomplete(h);
707	<	g.complete(1);
708	<	checkCompletedNormally(h, 2);
709	<
710	<	f = new CompletableFuture<>();
711	<	g = new CompletableFuture<>();
712	<	h = f.thenCombine(g, subtract);
713	<	g.complete(1);
714	<	checkIncomplete(h);
715	<	f.complete(3);
716	<	checkCompletedNormally(h, 2);
717	<
718	<	f = new CompletableFuture<>();
719	<	g = new CompletableFuture<>();
720	<	g.complete(1);
721	<	f.complete(3);
722	<	h = f.thenCombine(g, subtract);
723	<	checkCompletedNormally(h, 2);
506	>	static class FailingFunction extends CheckedIntegerAction
507	>	implements Function<Integer, Integer>
508	>	{
509	>	final CFException ex;
510	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
511	>	public Integer apply(Integer x) {
512	>	invoked();
513	>	value = x;
514	>	throw ex;
515	>	}
516		}
517
518	<	/**
519	<	* thenCombine result completes exceptionally after exceptional
520	<	* completion of either source
521	<	*/
522	<	public void testThenCombine2() {
523	<	CompletableFuture<Integer> f, g, h;
524	<
525	<	f = new CompletableFuture<>();
526	<	g = new CompletableFuture<>();
527	<	h = f.thenCombine(g, subtract);
736	<	f.completeExceptionally(new CFException());
737	<	checkIncomplete(h);
738	<	g.complete(1);
739	<	checkCompletedWithWrappedCFException(h);
740	<
741	<	f = new CompletableFuture<>();
742	<	g = new CompletableFuture<>();
743	<	h = f.thenCombine(g, subtract);
744	<	g.completeExceptionally(new CFException());
745	<	checkIncomplete(h);
746	<	f.complete(3);
747	<	checkCompletedWithWrappedCFException(h);
748	<
749	<	f = new CompletableFuture<>();
750	<	g = new CompletableFuture<>();
751	<	f.complete(3);
752	<	g.completeExceptionally(new CFException());
753	<	h = f.thenCombine(g, subtract);
754	<	checkCompletedWithWrappedCFException(h);
755	<
756	<	f = new CompletableFuture<>();
757	<	g = new CompletableFuture<>();
758	<	f.completeExceptionally(new CFException());
759	<	g.complete(3);
760	<	h = f.thenCombine(g, subtract);
761	<	checkCompletedWithWrappedCFException(h);
518	>	static class FailingBiFunction extends CheckedIntegerAction
519	>	implements BiFunction<Integer, Integer, Integer>
520	>	{
521	>	final CFException ex;
522	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
523	>	public Integer apply(Integer x, Integer y) {
524	>	invoked();
525	>	value = subtract(x, y);
526	>	throw ex;
527	>	}
528		}
529
530	<	/**
531	<	* thenCombine result completes exceptionally if action does
532	<	*/
533	<	public void testThenCombine3() {
534	<	CompletableFuture<Integer> f = new CompletableFuture<>();
535	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
536	<	FailingBiFunction r = new FailingBiFunction();
771	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
772	<	f.complete(one);
773	<	checkIncomplete(g);
774	<	assertFalse(r.ran);
775	<	f2.complete(two);
776	<	checkCompletedWithWrappedCFException(g);
777	<	assertTrue(r.ran);
530	>	static class FailingRunnable extends CheckedAction implements Runnable {
531	>	final CFException ex;
532	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
533	>	public void run() {
534	>	invoked();
535	>	throw ex;
536	>	}
537		}
538
539	<	/**
540	<	* thenCombine result completes exceptionally if either source cancelled
541	<	*/
542	<	public void testThenCombine4() {
543	<	CompletableFuture<Integer> f, g, h;
544	<
545	<	f = new CompletableFuture<>();
546	<	g = new CompletableFuture<>();
547	<	h = f.thenCombine(g, subtract);
548	<	assertTrue(f.cancel(true));
549	<	checkIncomplete(h);
791	<	g.complete(1);
792	<	checkCompletedWithWrappedCancellationException(h);
793	<
794	<	f = new CompletableFuture<>();
795	<	g = new CompletableFuture<>();
796	<	h = f.thenCombine(g, subtract);
797	<	assertTrue(g.cancel(true));
798	<	checkIncomplete(h);
799	<	f.complete(3);
800	<	checkCompletedWithWrappedCancellationException(h);
801	<
802	<	f = new CompletableFuture<>();
803	<	g = new CompletableFuture<>();
804	<	assertTrue(f.cancel(true));
805	<	assertTrue(g.cancel(true));
806	<	h = f.thenCombine(g, subtract);
807	<	checkCompletedWithWrappedCancellationException(h);
539	>	static class CompletableFutureInc extends CheckedIntegerAction
540	>	implements Function<Integer, CompletableFuture<Integer>>
541	>	{
542	>	CompletableFutureInc(ExecutionMode m) { super(m); }
543	>	public CompletableFuture<Integer> apply(Integer x) {
544	>	invoked();
545	>	value = x;
546	>	CompletableFuture<Integer> f = new CompletableFuture<>();
547	>	assertTrue(f.complete(inc(x)));
548	>	return f;
549	>	}
550		}
551
552	<	/**
553	<	* thenAcceptBoth result completes normally after normal
554	<	* completion of sources
555	<	*/
556	<	public void testThenAcceptBoth() {
557	<	CompletableFuture<Integer> f, g;
558	<	CompletableFuture<Void> h;
559	<	SubtractAction r;
560	<
561	<	f = new CompletableFuture<>();
820	<	g = new CompletableFuture<>();
821	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
822	<	f.complete(3);
823	<	checkIncomplete(h);
824	<	g.complete(1);
825	<	checkCompletedNormally(h, null);
826	<	assertEquals(r.value, 2);
827	<
828	<	f = new CompletableFuture<>();
829	<	g = new CompletableFuture<>();
830	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
831	<	g.complete(1);
832	<	checkIncomplete(h);
833	<	f.complete(3);
834	<	checkCompletedNormally(h, null);
835	<	assertEquals(r.value, 2);
836	<
837	<	f = new CompletableFuture<>();
838	<	g = new CompletableFuture<>();
839	<	g.complete(1);
840	<	f.complete(3);
841	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
842	<	checkCompletedNormally(h, null);
843	<	assertEquals(r.value, 2);
552	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
553	>	implements Function<Integer, CompletableFuture<Integer>>
554	>	{
555	>	final CFException ex;
556	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
557	>	public CompletableFuture<Integer> apply(Integer x) {
558	>	invoked();
559	>	value = x;
560	>	throw ex;
561	>	}
562		}
563
564	<	/**
565	<	* thenAcceptBoth result completes exceptionally after exceptional
566	<	* completion of either source
567	<	*/
568	<	public void testThenAcceptBoth2() {
569	<	CompletableFuture<Integer> f, g;
570	<	CompletableFuture<Void> h;
853	<	SubtractAction r;
854	<
855	<	f = new CompletableFuture<>();
856	<	g = new CompletableFuture<>();
857	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
858	<	f.completeExceptionally(new CFException());
859	<	checkIncomplete(h);
860	<	g.complete(1);
861	<	checkCompletedWithWrappedCFException(h);
862	<
863	<	f = new CompletableFuture<>();
864	<	g = new CompletableFuture<>();
865	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
866	<	g.completeExceptionally(new CFException());
867	<	checkIncomplete(h);
868	<	f.complete(3);
869	<	checkCompletedWithWrappedCFException(h);
870	<
871	<	f = new CompletableFuture<>();
872	<	g = new CompletableFuture<>();
873	<	f.complete(3);
874	<	g.completeExceptionally(new CFException());
875	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
876	<	checkCompletedWithWrappedCFException(h);
877	<
878	<	f = new CompletableFuture<>();
879	<	g = new CompletableFuture<>();
880	<	f.completeExceptionally(new CFException());
881	<	g.complete(3);
882	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
883	<	checkCompletedWithWrappedCFException(h);
564	>	static class CountingRejectingExecutor implements Executor {
565	>	final RejectedExecutionException ex = new RejectedExecutionException();
566	>	final AtomicInteger count = new AtomicInteger(0);
567	>	public void execute(Runnable r) {
568	>	count.getAndIncrement();
569	>	throw ex;
570	>	}
571		}
572
573	<	/**
574	<	* thenAcceptBoth result completes exceptionally if action does
575	<	*/
576	<	public void testThenAcceptBoth3() {
577	<	CompletableFuture<Integer> f, g;
578	<	CompletableFuture<Void> h;
579	<	FailingBiConsumer r;
893	<
894	<	f = new CompletableFuture<>();
895	<	g = new CompletableFuture<>();
896	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
897	<	f.complete(3);
898	<	checkIncomplete(h);
899	<	g.complete(1);
900	<	checkCompletedWithWrappedCFException(h);
573	>	// Used for explicit executor tests
574	>	static final class ThreadExecutor implements Executor {
575	>	final AtomicInteger count = new AtomicInteger(0);
576	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
577	>	static boolean startedCurrentThread() {
578	>	return Thread.currentThread().getThreadGroup() == tg;
579	>	}
580
581	<	f = new CompletableFuture<>();
582	<	g = new CompletableFuture<>();
583	<	f.complete(3);
584	<	g.complete(1);
906	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
907	<	checkCompletedWithWrappedCFException(h);
581	>	public void execute(Runnable r) {
582	>	count.getAndIncrement();
583	>	new Thread(tg, r).start();
584	>	}
585		}
586
587	<	/**
588	<	* thenAcceptBoth result completes exceptionally if either source cancelled
912	<	*/
913	<	public void testThenAcceptBoth4() {
914	<	CompletableFuture<Integer> f, g;
915	<	CompletableFuture<Void> h;
916	<	SubtractAction r;
917	<
918	<	f = new CompletableFuture<>();
919	<	g = new CompletableFuture<>();
920	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
921	<	assertTrue(f.cancel(true));
922	<	checkIncomplete(h);
923	<	g.complete(1);
924	<	checkCompletedWithWrappedCancellationException(h);
925	<
926	<	f = new CompletableFuture<>();
927	<	g = new CompletableFuture<>();
928	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
929	<	assertTrue(g.cancel(true));
930	<	checkIncomplete(h);
931	<	f.complete(3);
932	<	checkCompletedWithWrappedCancellationException(h);
933	<
934	<	f = new CompletableFuture<>();
935	<	g = new CompletableFuture<>();
936	<	f.complete(3);
937	<	assertTrue(g.cancel(true));
938	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
939	<	checkCompletedWithWrappedCancellationException(h);
940	<
941	<	f = new CompletableFuture<>();
942	<	g = new CompletableFuture<>();
943	<	assertTrue(f.cancel(true));
944	<	g.complete(3);
945	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
946	<	checkCompletedWithWrappedCancellationException(h);
947	<	}
587	>	static final boolean defaultExecutorIsCommonPool
588	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
589
590		/**
591		* Permits the testing of parallel code for the 3 different
592	<	* execution modes without repeating all the testing code.
592	>	* execution modes without copy/pasting all the test methods.
593		*/
594		enum ExecutionMode {
595	<	DEFAULT {
595	>	SYNC {
596	>	public void checkExecutionMode() {
597	>	assertFalse(ThreadExecutor.startedCurrentThread());
598	>	assertNull(ForkJoinTask.getPool());
599	>	}
600	>	public CompletableFuture<Void> runAsync(Runnable a) {
601	>	throw new UnsupportedOperationException();
602	>	}
603	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
604	>	throw new UnsupportedOperationException();
605	>	}
606	>	public <T> CompletableFuture<Void> thenRun
607	>	(CompletableFuture<T> f, Runnable a) {
608	>	return f.thenRun(a);
609	>	}
610	>	public <T> CompletableFuture<Void> thenAccept
611	>	(CompletableFuture<T> f, Consumer<? super T> a) {
612	>	return f.thenAccept(a);
613	>	}
614	>	public <T,U> CompletableFuture<U> thenApply
615	>	(CompletableFuture<T> f, Function<? super T,U> a) {
616	>	return f.thenApply(a);
617	>	}
618	>	public <T,U> CompletableFuture<U> thenCompose
619	>	(CompletableFuture<T> f,
620	>	Function<? super T,? extends CompletionStage<U>> a) {
621	>	return f.thenCompose(a);
622	>	}
623	>	public <T,U> CompletableFuture<U> handle
624	>	(CompletableFuture<T> f,
625	>	BiFunction<? super T,Throwable,? extends U> a) {
626	>	return f.handle(a);
627	>	}
628	>	public <T> CompletableFuture<T> whenComplete
629	>	(CompletableFuture<T> f,
630	>	BiConsumer<? super T,? super Throwable> a) {
631	>	return f.whenComplete(a);
632	>	}
633		public <T,U> CompletableFuture<Void> runAfterBoth
634	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
635	<	return f.runAfterBoth(g, r);
634	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
635	>	return f.runAfterBoth(g, a);
636	>	}
637	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
638	>	(CompletableFuture<T> f,
639	>	CompletionStage<? extends U> g,
640	>	BiConsumer<? super T,? super U> a) {
641	>	return f.thenAcceptBoth(g, a);
642	>	}
643	>	public <T,U,V> CompletableFuture<V> thenCombine
644	>	(CompletableFuture<T> f,
645	>	CompletionStage<? extends U> g,
646	>	BiFunction<? super T,? super U,? extends V> a) {
647	>	return f.thenCombine(g, a);
648	>	}
649	>	public <T> CompletableFuture<Void> runAfterEither
650	>	(CompletableFuture<T> f,
651	>	CompletionStage<?> g,
652	>	java.lang.Runnable a) {
653	>	return f.runAfterEither(g, a);
654	>	}
655	>	public <T> CompletableFuture<Void> acceptEither
656	>	(CompletableFuture<T> f,
657	>	CompletionStage<? extends T> g,
658	>	Consumer<? super T> a) {
659	>	return f.acceptEither(g, a);
660	>	}
661	>	public <T,U> CompletableFuture<U> applyToEither
662	>	(CompletableFuture<T> f,
663	>	CompletionStage<? extends T> g,
664	>	Function<? super T,U> a) {
665	>	return f.applyToEither(g, a);
666		}
667		},
668
669	<	DEFAULT_ASYNC {
669	>	ASYNC {
670	>	public void checkExecutionMode() {
671	>	assertEquals(defaultExecutorIsCommonPool,
672	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
673	>	}
674	>	public CompletableFuture<Void> runAsync(Runnable a) {
675	>	return CompletableFuture.runAsync(a);
676	>	}
677	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
678	>	return CompletableFuture.supplyAsync(a);
679	>	}
680	>	public <T> CompletableFuture<Void> thenRun
681	>	(CompletableFuture<T> f, Runnable a) {
682	>	return f.thenRunAsync(a);
683	>	}
684	>	public <T> CompletableFuture<Void> thenAccept
685	>	(CompletableFuture<T> f, Consumer<? super T> a) {
686	>	return f.thenAcceptAsync(a);
687	>	}
688	>	public <T,U> CompletableFuture<U> thenApply
689	>	(CompletableFuture<T> f, Function<? super T,U> a) {
690	>	return f.thenApplyAsync(a);
691	>	}
692	>	public <T,U> CompletableFuture<U> thenCompose
693	>	(CompletableFuture<T> f,
694	>	Function<? super T,? extends CompletionStage<U>> a) {
695	>	return f.thenComposeAsync(a);
696	>	}
697	>	public <T,U> CompletableFuture<U> handle
698	>	(CompletableFuture<T> f,
699	>	BiFunction<? super T,Throwable,? extends U> a) {
700	>	return f.handleAsync(a);
701	>	}
702	>	public <T> CompletableFuture<T> whenComplete
703	>	(CompletableFuture<T> f,
704	>	BiConsumer<? super T,? super Throwable> a) {
705	>	return f.whenCompleteAsync(a);
706	>	}
707		public <T,U> CompletableFuture<Void> runAfterBoth
708	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
709	<	return f.runAfterBothAsync(g, r);
708	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
709	>	return f.runAfterBothAsync(g, a);
710	>	}
711	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
712	>	(CompletableFuture<T> f,
713	>	CompletionStage<? extends U> g,
714	>	BiConsumer<? super T,? super U> a) {
715	>	return f.thenAcceptBothAsync(g, a);
716	>	}
717	>	public <T,U,V> CompletableFuture<V> thenCombine
718	>	(CompletableFuture<T> f,
719	>	CompletionStage<? extends U> g,
720	>	BiFunction<? super T,? super U,? extends V> a) {
721	>	return f.thenCombineAsync(g, a);
722	>	}
723	>	public <T> CompletableFuture<Void> runAfterEither
724	>	(CompletableFuture<T> f,
725	>	CompletionStage<?> g,
726	>	java.lang.Runnable a) {
727	>	return f.runAfterEitherAsync(g, a);
728	>	}
729	>	public <T> CompletableFuture<Void> acceptEither
730	>	(CompletableFuture<T> f,
731	>	CompletionStage<? extends T> g,
732	>	Consumer<? super T> a) {
733	>	return f.acceptEitherAsync(g, a);
734	>	}
735	>	public <T,U> CompletableFuture<U> applyToEither
736	>	(CompletableFuture<T> f,
737	>	CompletionStage<? extends T> g,
738	>	Function<? super T,U> a) {
739	>	return f.applyToEitherAsync(g, a);
740		}
741		},
742
743		EXECUTOR {
744	+	public void checkExecutionMode() {
745	+	assertTrue(ThreadExecutor.startedCurrentThread());
746	+	}
747	+	public CompletableFuture<Void> runAsync(Runnable a) {
748	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
749	+	}
750	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
751	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
752	+	}
753	+	public <T> CompletableFuture<Void> thenRun
754	+	(CompletableFuture<T> f, Runnable a) {
755	+	return f.thenRunAsync(a, new ThreadExecutor());
756	+	}
757	+	public <T> CompletableFuture<Void> thenAccept
758	+	(CompletableFuture<T> f, Consumer<? super T> a) {
759	+	return f.thenAcceptAsync(a, new ThreadExecutor());
760	+	}
761	+	public <T,U> CompletableFuture<U> thenApply
762	+	(CompletableFuture<T> f, Function<? super T,U> a) {
763	+	return f.thenApplyAsync(a, new ThreadExecutor());
764	+	}
765	+	public <T,U> CompletableFuture<U> thenCompose
766	+	(CompletableFuture<T> f,
767	+	Function<? super T,? extends CompletionStage<U>> a) {
768	+	return f.thenComposeAsync(a, new ThreadExecutor());
769	+	}
770	+	public <T,U> CompletableFuture<U> handle
771	+	(CompletableFuture<T> f,
772	+	BiFunction<? super T,Throwable,? extends U> a) {
773	+	return f.handleAsync(a, new ThreadExecutor());
774	+	}
775	+	public <T> CompletableFuture<T> whenComplete
776	+	(CompletableFuture<T> f,
777	+	BiConsumer<? super T,? super Throwable> a) {
778	+	return f.whenCompleteAsync(a, new ThreadExecutor());
779	+	}
780		public <T,U> CompletableFuture<Void> runAfterBoth
781	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
782	<	return f.runAfterBothAsync(g, r, new ThreadExecutor());
781	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
782	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
783	>	}
784	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
785	>	(CompletableFuture<T> f,
786	>	CompletionStage<? extends U> g,
787	>	BiConsumer<? super T,? super U> a) {
788	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
789	>	}
790	>	public <T,U,V> CompletableFuture<V> thenCombine
791	>	(CompletableFuture<T> f,
792	>	CompletionStage<? extends U> g,
793	>	BiFunction<? super T,? super U,? extends V> a) {
794	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
795	>	}
796	>	public <T> CompletableFuture<Void> runAfterEither
797	>	(CompletableFuture<T> f,
798	>	CompletionStage<?> g,
799	>	java.lang.Runnable a) {
800	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
801	>	}
802	>	public <T> CompletableFuture<Void> acceptEither
803	>	(CompletableFuture<T> f,
804	>	CompletionStage<? extends T> g,
805	>	Consumer<? super T> a) {
806	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
807	>	}
808	>	public <T,U> CompletableFuture<U> applyToEither
809	>	(CompletableFuture<T> f,
810	>	CompletionStage<? extends T> g,
811	>	Function<? super T,U> a) {
812	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
813		}
814		};
815
816	+	public abstract void checkExecutionMode();
817	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
818	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
819	+	public abstract <T> CompletableFuture<Void> thenRun
820	+	(CompletableFuture<T> f, Runnable a);
821	+	public abstract <T> CompletableFuture<Void> thenAccept
822	+	(CompletableFuture<T> f, Consumer<? super T> a);
823	+	public abstract <T,U> CompletableFuture<U> thenApply
824	+	(CompletableFuture<T> f, Function<? super T,U> a);
825	+	public abstract <T,U> CompletableFuture<U> thenCompose
826	+	(CompletableFuture<T> f,
827	+	Function<? super T,? extends CompletionStage<U>> a);
828	+	public abstract <T,U> CompletableFuture<U> handle
829	+	(CompletableFuture<T> f,
830	+	BiFunction<? super T,Throwable,? extends U> a);
831	+	public abstract <T> CompletableFuture<T> whenComplete
832	+	(CompletableFuture<T> f,
833	+	BiConsumer<? super T,? super Throwable> a);
834		public abstract <T,U> CompletableFuture<Void> runAfterBoth
835	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r);
835	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
836	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
837	>	(CompletableFuture<T> f,
838	>	CompletionStage<? extends U> g,
839	>	BiConsumer<? super T,? super U> a);
840	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
841	>	(CompletableFuture<T> f,
842	>	CompletionStage<? extends U> g,
843	>	BiFunction<? super T,? super U,? extends V> a);
844	>	public abstract <T> CompletableFuture<Void> runAfterEither
845	>	(CompletableFuture<T> f,
846	>	CompletionStage<?> g,
847	>	java.lang.Runnable a);
848	>	public abstract <T> CompletableFuture<Void> acceptEither
849	>	(CompletableFuture<T> f,
850	>	CompletionStage<? extends T> g,
851	>	Consumer<? super T> a);
852	>	public abstract <T,U> CompletableFuture<U> applyToEither
853	>	(CompletableFuture<T> f,
854	>	CompletionStage<? extends T> g,
855	>	Function<? super T,U> a);
856		}
857
858		/**
859	<	* runAfterBoth result completes normally after normal
860	<	* completion of sources
859	>	* exceptionally action is not invoked when source completes
860	>	* normally, and source result is propagated
861		*/
862	<	public void testRunAfterBoth_normalCompletion1() {
863	<	for (ExecutionMode m : ExecutionMode.values())
862	>	public void testExceptionally_normalCompletion() {
863	>	for (boolean createIncomplete : new boolean[] { true, false })
864		for (Integer v1 : new Integer[] { 1, null })
865	<	for (Integer v2 : new Integer[] { 2, null }) {
866	<
865	>	{
866	>	final AtomicInteger a = new AtomicInteger(0);
867		final CompletableFuture<Integer> f = new CompletableFuture<>();
868	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
869	<	final Noop r = new Noop();
870	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
871	<
872	<	f.complete(v1);
873	<	checkIncomplete(h);
874	<	assertFalse(r.ran);
875	<	g.complete(v2);
868	>	if (!createIncomplete) assertTrue(f.complete(v1));
869	>	final CompletableFuture<Integer> g = f.exceptionally
870	>	((Throwable t) -> {
871	>	a.getAndIncrement();
872	>	threadFail("should not be called");
873	>	return null;            // unreached
874	>	});
875	>	if (createIncomplete) assertTrue(f.complete(v1));
876
877	<	checkCompletedNormally(h, null);
999	<	assertTrue(r.ran);
877	>	checkCompletedNormally(g, v1);
878		checkCompletedNormally(f, v1);
879	<	checkCompletedNormally(g, v2);
880	<	}
1003	<	}
879	>	assertEquals(0, a.get());
880	>	}}
881
882	<	public void testRunAfterBoth_normalCompletion2() {
883	<	for (ExecutionMode m : ExecutionMode.values())
882	>	/**
883	>	* exceptionally action completes with function value on source
884	>	* exception
885	>	*/
886	>	public void testExceptionally_exceptionalCompletion() {
887	>	for (boolean createIncomplete : new boolean[] { true, false })
888		for (Integer v1 : new Integer[] { 1, null })
889	<	for (Integer v2 : new Integer[] { 2, null }) {
890	<
889	>	{
890	>	final AtomicInteger a = new AtomicInteger(0);
891	>	final CFException ex = new CFException();
892		final CompletableFuture<Integer> f = new CompletableFuture<>();
893	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
894	<	final Noop r = new Noop();
895	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
896	<
897	<	g.complete(v2);
898	<	checkIncomplete(h);
899	<	assertFalse(r.ran);
900	<	f.complete(v1);
901	<
1020	<	checkCompletedNormally(h, null);
1021	<	assertTrue(r.ran);
1022	<	checkCompletedNormally(f, v1);
1023	<	checkCompletedNormally(g, v2);
1024	<	}
1025	<	}
893	>	if (!createIncomplete) f.completeExceptionally(ex);
894	>	final CompletableFuture<Integer> g = f.exceptionally
895	>	((Throwable t) -> {
896	>	ExecutionMode.SYNC.checkExecutionMode();
897	>	threadAssertSame(t, ex);
898	>	a.getAndIncrement();
899	>	return v1;
900	>	});
901	>	if (createIncomplete) f.completeExceptionally(ex);
902
903	<	public void testRunAfterBoth_normalCompletion3() {
904	<	for (ExecutionMode m : ExecutionMode.values())
905	<	for (Integer v1 : new Integer[] { 1, null })
1030	<	for (Integer v2 : new Integer[] { 2, null }) {
903	>	checkCompletedNormally(g, v1);
904	>	assertEquals(1, a.get());
905	>	}}
906
907	+	/**
908	+	* If an "exceptionally action" throws an exception, it completes
909	+	* exceptionally with that exception
910	+	*/
911	+	public void testExceptionally_exceptionalCompletionActionFailed() {
912	+	for (boolean createIncomplete : new boolean[] { true, false })
913	+	{
914	+	final AtomicInteger a = new AtomicInteger(0);
915	+	final CFException ex1 = new CFException();
916	+	final CFException ex2 = new CFException();
917		final CompletableFuture<Integer> f = new CompletableFuture<>();
918	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
919	<	final Noop r = new Noop();
920	<
921	<	g.complete(v2);
922	<	f.complete(v1);
923	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
924	<
925	<	checkCompletedNormally(h, null);
926	<	assertTrue(r.ran);
927	<	checkCompletedNormally(f, v1);
928	<	checkCompletedNormally(g, v2);
929	<	}
930	<	}
918	>	if (!createIncomplete) f.completeExceptionally(ex1);
919	>	final CompletableFuture<Integer> g = f.exceptionally
920	>	((Throwable t) -> {
921	>	ExecutionMode.SYNC.checkExecutionMode();
922	>	threadAssertSame(t, ex1);
923	>	a.getAndIncrement();
924	>	throw ex2;
925	>	});
926	>	if (createIncomplete) f.completeExceptionally(ex1);
927	>
928	>	checkCompletedWithWrappedException(g, ex2);
929	>	checkCompletedExceptionally(f, ex1);
930	>	assertEquals(1, a.get());
931	>	}}
932
933	<	public void testRunAfterBoth_normalCompletion4() {
933	>	/**
934	>	* whenComplete action executes on normal completion, propagating
935	>	* source result.
936	>	*/
937	>	public void testWhenComplete_normalCompletion() {
938		for (ExecutionMode m : ExecutionMode.values())
939	+	for (boolean createIncomplete : new boolean[] { true, false })
940		for (Integer v1 : new Integer[] { 1, null })
941	<	for (Integer v2 : new Integer[] { 2, null }) {
942	<
941	>	{
942	>	final AtomicInteger a = new AtomicInteger(0);
943		final CompletableFuture<Integer> f = new CompletableFuture<>();
944	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
945	<	final Noop r = new Noop();
946	<
947	<	f.complete(v1);
948	<	g.complete(v2);
949	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
944	>	if (!createIncomplete) assertTrue(f.complete(v1));
945	>	final CompletableFuture<Integer> g = m.whenComplete
946	>	(f,
947	>	(Integer result, Throwable t) -> {
948	>	m.checkExecutionMode();
949	>	threadAssertSame(result, v1);
950	>	threadAssertNull(t);
951	>	a.getAndIncrement();
952	>	});
953	>	if (createIncomplete) assertTrue(f.complete(v1));
954
955	<	checkCompletedNormally(h, null);
1061	<	assertTrue(r.ran);
955	>	checkCompletedNormally(g, v1);
956		checkCompletedNormally(f, v1);
957	<	checkCompletedNormally(g, v2);
958	<	}
1065	<	}
957	>	assertEquals(1, a.get());
958	>	}}
959
960		/**
961	<	* runAfterBoth result completes exceptionally after exceptional
962	<	* completion of either source
961	>	* whenComplete action executes on exceptional completion, propagating
962	>	* source result.
963		*/
964	<	public void testRunAfterBoth_exceptionalCompletion1() {
964	>	public void testWhenComplete_exceptionalCompletion() {
965		for (ExecutionMode m : ExecutionMode.values())
966	<	for (Integer v1 : new Integer[] { 1, null }) {
967	<
968	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1076	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1077	<	final Noop r = new Noop();
1078	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
966	>	for (boolean createIncomplete : new boolean[] { true, false })
967	>	{
968	>	final AtomicInteger a = new AtomicInteger(0);
969		final CFException ex = new CFException();
970	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
971	+	if (!createIncomplete) f.completeExceptionally(ex);
972	+	final CompletableFuture<Integer> g = m.whenComplete
973	+	(f,
974	+	(Integer result, Throwable t) -> {
975	+	m.checkExecutionMode();
976	+	threadAssertNull(result);
977	+	threadAssertSame(t, ex);
978	+	a.getAndIncrement();
979	+	});
980	+	if (createIncomplete) f.completeExceptionally(ex);
981	+
982	+	checkCompletedWithWrappedException(g, ex);
983	+	checkCompletedExceptionally(f, ex);
984	+	assertEquals(1, a.get());
985	+	}}
986
987	<	f.completeExceptionally(ex);
988	<	checkIncomplete(h);
989	<	g.complete(v1);
990	<
991	<	checkCompletedWithWrappedCFException(h, ex);
1086	<	checkCompletedWithWrappedCFException(f, ex);
1087	<	assertFalse(r.ran);
1088	<	checkCompletedNormally(g, v1);
1089	<	}
1090	<	}
1091	<
1092	<	public void testRunAfterBoth_exceptionalCompletion2() {
987	>	/**
988	>	* whenComplete action executes on cancelled source, propagating
989	>	* CancellationException.
990	>	*/
991	>	public void testWhenComplete_sourceCancelled() {
992		for (ExecutionMode m : ExecutionMode.values())
993	<	for (Integer v1 : new Integer[] { 1, null }) {
994	<
993	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
994	>	for (boolean createIncomplete : new boolean[] { true, false })
995	>	{
996	>	final AtomicInteger a = new AtomicInteger(0);
997		final CompletableFuture<Integer> f = new CompletableFuture<>();
998	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
999	<	final Noop r = new Noop();
1000	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1001	<	final CFException ex = new CFException();
998	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
999	>	final CompletableFuture<Integer> g = m.whenComplete
1000	>	(f,
1001	>	(Integer result, Throwable t) -> {
1002	>	m.checkExecutionMode();
1003	>	threadAssertNull(result);
1004	>	threadAssertTrue(t instanceof CancellationException);
1005	>	a.getAndIncrement();
1006	>	});
1007	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1008
1009	<	g.completeExceptionally(ex);
1010	<	checkIncomplete(h);
1011	<	f.complete(v1);
1012	<
1106	<	checkCompletedWithWrappedCFException(h, ex);
1107	<	checkCompletedWithWrappedCFException(g, ex);
1108	<	assertFalse(r.ran);
1109	<	checkCompletedNormally(f, v1);
1110	<	}
1111	<	}
1009	>	checkCompletedWithWrappedCancellationException(g);
1010	>	checkCancelled(f);
1011	>	assertEquals(1, a.get());
1012	>	}}
1013
1014	<	public void testRunAfterBoth_exceptionalCompletion3() {
1014	>	/**
1015	>	* If a whenComplete action throws an exception when triggered by
1016	>	* a normal completion, it completes exceptionally
1017	>	*/
1018	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1019	>	for (boolean createIncomplete : new boolean[] { true, false })
1020		for (ExecutionMode m : ExecutionMode.values())
1021	<	for (Integer v1 : new Integer[] { 1, null }) {
1022	<
1023	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1118	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1119	<	final Noop r = new Noop();
1021	>	for (Integer v1 : new Integer[] { 1, null })
1022	>	{
1023	>	final AtomicInteger a = new AtomicInteger(0);
1024		final CFException ex = new CFException();
1025	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1026	+	if (!createIncomplete) assertTrue(f.complete(v1));
1027	+	final CompletableFuture<Integer> g = m.whenComplete
1028	+	(f,
1029	+	(Integer result, Throwable t) -> {
1030	+	m.checkExecutionMode();
1031	+	threadAssertSame(result, v1);
1032	+	threadAssertNull(t);
1033	+	a.getAndIncrement();
1034	+	throw ex;
1035	+	});
1036	+	if (createIncomplete) assertTrue(f.complete(v1));
1037
1038	<	g.completeExceptionally(ex);
1123	<	f.complete(v1);
1124	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1125	<
1126	<	checkCompletedWithWrappedCFException(h, ex);
1127	<	checkCompletedWithWrappedCFException(g, ex);
1128	<	assertFalse(r.ran);
1038	>	checkCompletedWithWrappedException(g, ex);
1039		checkCompletedNormally(f, v1);
1040	<	}
1041	<	}
1040	>	assertEquals(1, a.get());
1041	>	}}
1042
1043	<	public void testRunAfterBoth_exceptionalCompletion4() {
1043	>	/**
1044	>	* If a whenComplete action throws an exception when triggered by
1045	>	* a source completion that also throws an exception, the source
1046	>	* exception takes precedence (unlike handle)
1047	>	*/
1048	>	public void testWhenComplete_sourceFailedActionFailed() {
1049	>	for (boolean createIncomplete : new boolean[] { true, false })
1050		for (ExecutionMode m : ExecutionMode.values())
1051	<	for (Integer v1 : new Integer[] { 1, null }) {
1052	<
1051	>	{
1052	>	final AtomicInteger a = new AtomicInteger(0);
1053	>	final CFException ex1 = new CFException();
1054	>	final CFException ex2 = new CFException();
1055		final CompletableFuture<Integer> f = new CompletableFuture<>();
1138	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1139	–	final Noop r = new Noop();
1140	–	final CFException ex = new CFException();
1056
1057	<	f.completeExceptionally(ex);
1058	<	g.complete(v1);
1059	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1060	<
1061	<	checkCompletedWithWrappedCFException(h, ex);
1062	<	checkCompletedWithWrappedCFException(f, ex);
1063	<	assertFalse(r.ran);
1064	<	checkCompletedNormally(g, v1);
1057	>	if (!createIncomplete) f.completeExceptionally(ex1);
1058	>	final CompletableFuture<Integer> g = m.whenComplete
1059	>	(f,
1060	>	(Integer result, Throwable t) -> {
1061	>	m.checkExecutionMode();
1062	>	threadAssertSame(t, ex1);
1063	>	threadAssertNull(result);
1064	>	a.getAndIncrement();
1065	>	throw ex2;
1066	>	});
1067	>	if (createIncomplete) f.completeExceptionally(ex1);
1068	>
1069	>	checkCompletedWithWrappedException(g, ex1);
1070	>	checkCompletedExceptionally(f, ex1);
1071	>	if (testImplementationDetails) {
1072	>	assertEquals(1, ex1.getSuppressed().length);
1073	>	assertSame(ex2, ex1.getSuppressed()[0]);
1074		}
1075	<	}
1075	>	assertEquals(1, a.get());
1076	>	}}
1077
1078		/**
1079	<	* runAfterBoth result completes exceptionally if action does
1079	>	* handle action completes normally with function value on normal
1080	>	* completion of source
1081		*/
1082	<	public void testRunAfterBoth_actionFailed1() {
1082	>	public void testHandle_normalCompletion() {
1083		for (ExecutionMode m : ExecutionMode.values())
1084	+	for (boolean createIncomplete : new boolean[] { true, false })
1085		for (Integer v1 : new Integer[] { 1, null })
1086	<	for (Integer v2 : new Integer[] { 2, null }) {
1160	<
1086	>	{
1087		final CompletableFuture<Integer> f = new CompletableFuture<>();
1088	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1089	<	final FailingNoop r = new FailingNoop();
1090	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1088	>	final AtomicInteger a = new AtomicInteger(0);
1089	>	if (!createIncomplete) assertTrue(f.complete(v1));
1090	>	final CompletableFuture<Integer> g = m.handle
1091	>	(f,
1092	>	(Integer result, Throwable t) -> {
1093	>	m.checkExecutionMode();
1094	>	threadAssertSame(result, v1);
1095	>	threadAssertNull(t);
1096	>	a.getAndIncrement();
1097	>	return inc(v1);
1098	>	});
1099	>	if (createIncomplete) assertTrue(f.complete(v1));
1100
1101	<	f.complete(v1);
1167	<	checkIncomplete(h);
1168	<	g.complete(v2);
1169	<
1170	<	checkCompletedWithWrappedCFException(h);
1101	>	checkCompletedNormally(g, inc(v1));
1102		checkCompletedNormally(f, v1);
1103	<	checkCompletedNormally(g, v2);
1104	<	}
1174	<	}
1103	>	assertEquals(1, a.get());
1104	>	}}
1105
1106	<	public void testRunAfterBoth_actionFailed2() {
1106	>	/**
1107	>	* handle action completes normally with function value on
1108	>	* exceptional completion of source
1109	>	*/
1110	>	public void testHandle_exceptionalCompletion() {
1111		for (ExecutionMode m : ExecutionMode.values())
1112	+	for (boolean createIncomplete : new boolean[] { true, false })
1113		for (Integer v1 : new Integer[] { 1, null })
1114	<	for (Integer v2 : new Integer[] { 2, null }) {
1180	<
1114	>	{
1115		final CompletableFuture<Integer> f = new CompletableFuture<>();
1116	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1117	<	final FailingNoop r = new FailingNoop();
1118	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1119	<
1120	<	g.complete(v2);
1121	<	checkIncomplete(h);
1122	<	f.complete(v1);
1116	>	final AtomicInteger a = new AtomicInteger(0);
1117	>	final CFException ex = new CFException();
1118	>	if (!createIncomplete) f.completeExceptionally(ex);
1119	>	final CompletableFuture<Integer> g = m.handle
1120	>	(f,
1121	>	(Integer result, Throwable t) -> {
1122	>	m.checkExecutionMode();
1123	>	threadAssertNull(result);
1124	>	threadAssertSame(t, ex);
1125	>	a.getAndIncrement();
1126	>	return v1;
1127	>	});
1128	>	if (createIncomplete) f.completeExceptionally(ex);
1129
1130	<	checkCompletedWithWrappedCFException(h);
1131	<	checkCompletedNormally(f, v1);
1132	<	checkCompletedNormally(g, v2);
1133	<	}
1194	<	}
1130	>	checkCompletedNormally(g, v1);
1131	>	checkCompletedExceptionally(f, ex);
1132	>	assertEquals(1, a.get());
1133	>	}}
1134
1135		/**
1136	<	* runAfterBoth result completes exceptionally if either source cancelled
1136	>	* handle action completes normally with function value on
1137	>	* cancelled source
1138		*/
1139	<	public void testRunAfterBoth_sourceCancelled1() {
1139	>	public void testHandle_sourceCancelled() {
1140		for (ExecutionMode m : ExecutionMode.values())
1141		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1142	<	for (Integer v1 : new Integer[] { 1, null }) {
1143	<
1142	>	for (boolean createIncomplete : new boolean[] { true, false })
1143	>	for (Integer v1 : new Integer[] { 1, null })
1144	>	{
1145		final CompletableFuture<Integer> f = new CompletableFuture<>();
1146	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1147	<	final Noop r = new Noop();
1148	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1149	<
1150	<	assertTrue(f.cancel(mayInterruptIfRunning));
1151	<	checkIncomplete(h);
1152	<	g.complete(v1);
1146	>	final AtomicInteger a = new AtomicInteger(0);
1147	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1148	>	final CompletableFuture<Integer> g = m.handle
1149	>	(f,
1150	>	(Integer result, Throwable t) -> {
1151	>	m.checkExecutionMode();
1152	>	threadAssertNull(result);
1153	>	threadAssertTrue(t instanceof CancellationException);
1154	>	a.getAndIncrement();
1155	>	return v1;
1156	>	});
1157	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1158
1213	–	checkCompletedWithWrappedCancellationException(h);
1214	–	checkCancelled(f);
1215	–	assertFalse(r.ran);
1159		checkCompletedNormally(g, v1);
1160	<	}
1161	<	}
1162	<
1220	<	public void testRunAfterBoth_sourceCancelled2() {
1221	<	for (ExecutionMode m : ExecutionMode.values())
1222	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1223	<	for (Integer v1 : new Integer[] { 1, null }) {
1224	<
1225	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1226	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1227	<	final Noop r = new Noop();
1228	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1229	<
1230	<	assertTrue(g.cancel(mayInterruptIfRunning));
1231	<	checkIncomplete(h);
1232	<	f.complete(v1);
1233	<
1234	<	checkCompletedWithWrappedCancellationException(h);
1235	<	checkCancelled(g);
1236	<	assertFalse(r.ran);
1237	<	checkCompletedNormally(f, v1);
1238	<	}
1239	<	}
1160	>	checkCancelled(f);
1161	>	assertEquals(1, a.get());
1162	>	}}
1163
1164	<	public void testRunAfterBoth_sourceCancelled3() {
1164	>	/**
1165	>	* If a "handle action" throws an exception when triggered by
1166	>	* a normal completion, it completes exceptionally
1167	>	*/
1168	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1169		for (ExecutionMode m : ExecutionMode.values())
1170	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1171	<	for (Integer v1 : new Integer[] { 1, null }) {
1172	<
1170	>	for (boolean createIncomplete : new boolean[] { true, false })
1171	>	for (Integer v1 : new Integer[] { 1, null })
1172	>	{
1173		final CompletableFuture<Integer> f = new CompletableFuture<>();
1174	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1175	<	final Noop r = new Noop();
1176	<
1177	<	assertTrue(g.cancel(mayInterruptIfRunning));
1178	<	f.complete(v1);
1179	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1174	>	final AtomicInteger a = new AtomicInteger(0);
1175	>	final CFException ex = new CFException();
1176	>	if (!createIncomplete) assertTrue(f.complete(v1));
1177	>	final CompletableFuture<Integer> g = m.handle
1178	>	(f,
1179	>	(Integer result, Throwable t) -> {
1180	>	m.checkExecutionMode();
1181	>	threadAssertSame(result, v1);
1182	>	threadAssertNull(t);
1183	>	a.getAndIncrement();
1184	>	throw ex;
1185	>	});
1186	>	if (createIncomplete) assertTrue(f.complete(v1));
1187
1188	<	checkCompletedWithWrappedCancellationException(h);
1255	<	checkCancelled(g);
1256	<	assertFalse(r.ran);
1188	>	checkCompletedWithWrappedException(g, ex);
1189		checkCompletedNormally(f, v1);
1190	<	}
1191	<	}
1190	>	assertEquals(1, a.get());
1191	>	}}
1192
1193	<	public void testRunAfterBoth_sourceCancelled4() {
1193	>	/**
1194	>	* If a "handle action" throws an exception when triggered by
1195	>	* a source completion that also throws an exception, the action
1196	>	* exception takes precedence (unlike whenComplete)
1197	>	*/
1198	>	public void testHandle_sourceFailedActionFailed() {
1199	>	for (boolean createIncomplete : new boolean[] { true, false })
1200		for (ExecutionMode m : ExecutionMode.values())
1201	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1202	<	for (Integer v1 : new Integer[] { 1, null }) {
1203	<
1201	>	{
1202	>	final AtomicInteger a = new AtomicInteger(0);
1203	>	final CFException ex1 = new CFException();
1204	>	final CFException ex2 = new CFException();
1205		final CompletableFuture<Integer> f = new CompletableFuture<>();
1267	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1268	–	final Noop r = new Noop();
1269	–
1270	–	assertTrue(f.cancel(mayInterruptIfRunning));
1271	–	g.complete(v1);
1272	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1206
1207	<	checkCompletedWithWrappedCancellationException(h);
1208	<	checkCancelled(f);
1209	<	assertFalse(r.ran);
1210	<	checkCompletedNormally(g, v1);
1211	<	}
1212	<	}
1207	>	if (!createIncomplete) f.completeExceptionally(ex1);
1208	>	final CompletableFuture<Integer> g = m.handle
1209	>	(f,
1210	>	(Integer result, Throwable t) -> {
1211	>	m.checkExecutionMode();
1212	>	threadAssertNull(result);
1213	>	threadAssertSame(ex1, t);
1214	>	a.getAndIncrement();
1215	>	throw ex2;
1216	>	});
1217	>	if (createIncomplete) f.completeExceptionally(ex1);
1218	>
1219	>	checkCompletedWithWrappedException(g, ex2);
1220	>	checkCompletedExceptionally(f, ex1);
1221	>	assertEquals(1, a.get());
1222	>	}}
1223
1224		/**
1225	<	* applyToEither result completes normally after normal completion
1283	<	* of either source
1225	>	* runAsync completes after running Runnable
1226		*/
1227	<	public void testApplyToEither() {
1228	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1229	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1230	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1231	<	f.complete(one);
1232	<	checkCompletedNormally(g, two);
1233	<	f2.complete(one);
1234	<	checkCompletedNormally(g, two);
1235	<
1236	<	f = new CompletableFuture<>();
1237	<	f.complete(one);
1238	<	f2 = new CompletableFuture<>();
1239	<	g = f.applyToEither(f2, inc);
1298	<	checkCompletedNormally(g, two);
1299	<	}
1227	>	public void testRunAsync_normalCompletion() {
1228	>	ExecutionMode[] executionModes = {
1229	>	ExecutionMode.ASYNC,
1230	>	ExecutionMode.EXECUTOR,
1231	>	};
1232	>	for (ExecutionMode m : executionModes)
1233	>	{
1234	>	final Noop r = new Noop(m);
1235	>	final CompletableFuture<Void> f = m.runAsync(r);
1236	>	assertNull(f.join());
1237	>	checkCompletedNormally(f, null);
1238	>	r.assertInvoked();
1239	>	}}
1240
1241		/**
1242	<	* applyToEither result completes exceptionally after exceptional
1303	<	* completion of either source
1242	>	* failing runAsync completes exceptionally after running Runnable
1243		*/
1244	<	public void testApplyToEither2() {
1245	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1246	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1247	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1248	<	f.completeExceptionally(new CFException());
1249	<	f2.complete(one);
1250	<	checkCompletedWithWrappedCFException(g);
1251	<
1252	<	f = new CompletableFuture<>();
1253	<	f2 = new CompletableFuture<>();
1254	<	f2.completeExceptionally(new CFException());
1255	<	g = f.applyToEither(f2, inc);
1256	<	checkCompletedWithWrappedCFException(g);
1257	<	}
1244	>	public void testRunAsync_exceptionalCompletion() {
1245	>	ExecutionMode[] executionModes = {
1246	>	ExecutionMode.ASYNC,
1247	>	ExecutionMode.EXECUTOR,
1248	>	};
1249	>	for (ExecutionMode m : executionModes)
1250	>	{
1251	>	final FailingRunnable r = new FailingRunnable(m);
1252	>	final CompletableFuture<Void> f = m.runAsync(r);
1253	>	checkCompletedWithWrappedException(f, r.ex);
1254	>	r.assertInvoked();
1255	>	}}
1256	>
1257	>	@SuppressWarnings("FutureReturnValueIgnored")
1258	>	public void testRunAsync_rejectingExecutor() {
1259	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1260	>	try {
1261	>	CompletableFuture.runAsync(() -> {}, e);
1262	>	shouldThrow();
1263	>	} catch (Throwable t) {
1264	>	assertSame(e.ex, t);
1265	>	}
1266
1267	<	/**
1321	<	* applyToEither result completes exceptionally if action does
1322	<	*/
1323	<	public void testApplyToEither3() {
1324	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1325	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1326	<	FailingFunction r = new FailingFunction();
1327	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
1328	<	f2.complete(two);
1329	<	checkCompletedWithWrappedCFException(g);
1267	>	assertEquals(1, e.count.get());
1268		}
1269
1270		/**
1271	<	* applyToEither result completes exceptionally if either source cancelled
1271	>	* supplyAsync completes with result of supplier
1272		*/
1273	<	public void testApplyToEither4() {
1274	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1275	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1276	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1277	<	assertTrue(f.cancel(true));
1278	<	checkCompletedWithWrappedCancellationException(g);
1279	<	f = new CompletableFuture<>();
1280	<	f2 = new CompletableFuture<>();
1281	<	assertTrue(f2.cancel(true));
1282	<	checkCompletedWithWrappedCancellationException(g);
1283	<	}
1273	>	public void testSupplyAsync_normalCompletion() {
1274	>	ExecutionMode[] executionModes = {
1275	>	ExecutionMode.ASYNC,
1276	>	ExecutionMode.EXECUTOR,
1277	>	};
1278	>	for (ExecutionMode m : executionModes)
1279	>	for (Integer v1 : new Integer[] { 1, null })
1280	>	{
1281	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1282	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1283	>	assertSame(v1, f.join());
1284	>	checkCompletedNormally(f, v1);
1285	>	r.assertInvoked();
1286	>	}}
1287
1288		/**
1289	<	* acceptEither result completes normally after normal completion
1349	<	* of either source
1289	>	* Failing supplyAsync completes exceptionally
1290		*/
1291	<	public void testAcceptEither() {
1292	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1293	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1294	<	IncAction r = new IncAction();
1295	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1296	<	f.complete(one);
1297	<	checkCompletedNormally(g, null);
1298	<	f2.complete(one);
1299	<	checkCompletedNormally(g, null);
1300	<	assertEquals(r.value, 2);
1291	>	public void testSupplyAsync_exceptionalCompletion() {
1292	>	ExecutionMode[] executionModes = {
1293	>	ExecutionMode.ASYNC,
1294	>	ExecutionMode.EXECUTOR,
1295	>	};
1296	>	for (ExecutionMode m : executionModes)
1297	>	{
1298	>	FailingSupplier r = new FailingSupplier(m);
1299	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1300	>	checkCompletedWithWrappedException(f, r.ex);
1301	>	r.assertInvoked();
1302	>	}}
1303	>
1304	>	@SuppressWarnings("FutureReturnValueIgnored")
1305	>	public void testSupplyAsync_rejectingExecutor() {
1306	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1307	>	try {
1308	>	CompletableFuture.supplyAsync(() -> null, e);
1309	>	shouldThrow();
1310	>	} catch (Throwable t) {
1311	>	assertSame(e.ex, t);
1312	>	}
1313
1314	<	r = new IncAction();
1363	<	f = new CompletableFuture<>();
1364	<	f.complete(one);
1365	<	f2 = new CompletableFuture<>();
1366	<	g = f.acceptEither(f2, r);
1367	<	checkCompletedNormally(g, null);
1368	<	assertEquals(r.value, 2);
1314	>	assertEquals(1, e.count.get());
1315		}
1316
1317	<	/**
1372	<	* acceptEither result completes exceptionally after exceptional
1373	<	* completion of either source
1374	<	*/
1375	<	public void testAcceptEither2() {
1376	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1377	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1378	<	IncAction r = new IncAction();
1379	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1380	<	f.completeExceptionally(new CFException());
1381	<	f2.complete(one);
1382	<	checkCompletedWithWrappedCFException(g);
1383	<
1384	<	r = new IncAction();
1385	<	f = new CompletableFuture<>();
1386	<	f2 = new CompletableFuture<>();
1387	<	f2.completeExceptionally(new CFException());
1388	<	g = f.acceptEither(f2, r);
1389	<	checkCompletedWithWrappedCFException(g);
1390	<	}
1317	>	// seq completion methods
1318
1319		/**
1320	<	* acceptEither result completes exceptionally if action does
1320	>	* thenRun result completes normally after normal completion of source
1321		*/
1322	<	public void testAcceptEither3() {
1323	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1324	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1325	<	FailingConsumer r = new FailingConsumer();
1326	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1327	<	f2.complete(two);
1328	<	checkCompletedWithWrappedCFException(g);
1402	<	}
1322	>	public void testThenRun_normalCompletion() {
1323	>	for (ExecutionMode m : ExecutionMode.values())
1324	>	for (Integer v1 : new Integer[] { 1, null })
1325	>	{
1326	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1327	>	final Noop[] rs = new Noop[6];
1328	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1329
1330	<	/**
1331	<	* acceptEither result completes exceptionally if either source cancelled
1332	<	*/
1333	<	public void testAcceptEither4() {
1334	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1335	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1336	<	IncAction r = new IncAction();
1337	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1338	<	assertTrue(f.cancel(true));
1339	<	checkCompletedWithWrappedCancellationException(g);
1340	<	f = new CompletableFuture<>();
1341	<	f2 = new CompletableFuture<>();
1342	<	assertTrue(f2.cancel(true));
1343	<	checkCompletedWithWrappedCancellationException(g);
1344	<	}
1330	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1331	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1332	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1333	>	checkIncomplete(h0);
1334	>	checkIncomplete(h1);
1335	>	checkIncomplete(h2);
1336	>	assertTrue(f.complete(v1));
1337	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1338	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1339	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1340	>
1341	>	checkCompletedNormally(h0, null);
1342	>	checkCompletedNormally(h1, null);
1343	>	checkCompletedNormally(h2, null);
1344	>	checkCompletedNormally(h3, null);
1345	>	checkCompletedNormally(h4, null);
1346	>	checkCompletedNormally(h5, null);
1347	>	checkCompletedNormally(f, v1);
1348	>	for (Noop r : rs) r.assertInvoked();
1349	>	}}
1350
1351		/**
1352	<	* runAfterEither result completes normally after normal completion
1353	<	* of either source
1352	>	* thenRun result completes exceptionally after exceptional
1353	>	* completion of source
1354		*/
1355	<	public void testRunAfterEither() {
1356	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1357	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1358	<	Noop r = new Noop();
1359	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1360	<	f.complete(one);
1361	<	checkCompletedNormally(g, null);
1431	<	f2.complete(one);
1432	<	checkCompletedNormally(g, null);
1433	<	assertTrue(r.ran);
1355	>	public void testThenRun_exceptionalCompletion() {
1356	>	for (ExecutionMode m : ExecutionMode.values())
1357	>	{
1358	>	final CFException ex = new CFException();
1359	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1360	>	final Noop[] rs = new Noop[6];
1361	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1362
1363	<	r = new Noop();
1364	<	f = new CompletableFuture<>();
1365	<	f.complete(one);
1366	<	f2 = new CompletableFuture<>();
1367	<	g = f.runAfterEither(f2, r);
1368	<	checkCompletedNormally(g, null);
1369	<	assertTrue(r.ran);
1370	<	}
1363	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1364	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1365	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1366	>	checkIncomplete(h0);
1367	>	checkIncomplete(h1);
1368	>	checkIncomplete(h2);
1369	>	assertTrue(f.completeExceptionally(ex));
1370	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1371	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1372	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1373	>
1374	>	checkCompletedWithWrappedException(h0, ex);
1375	>	checkCompletedWithWrappedException(h1, ex);
1376	>	checkCompletedWithWrappedException(h2, ex);
1377	>	checkCompletedWithWrappedException(h3, ex);
1378	>	checkCompletedWithWrappedException(h4, ex);
1379	>	checkCompletedWithWrappedException(h5, ex);
1380	>	checkCompletedExceptionally(f, ex);
1381	>	for (Noop r : rs) r.assertNotInvoked();
1382	>	}}
1383
1384		/**
1385	<	* runAfterEither result completes exceptionally after exceptional
1446	<	* completion of either source
1385	>	* thenRun result completes exceptionally if source cancelled
1386		*/
1387	<	public void testRunAfterEither2() {
1388	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1389	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1390	<	Noop r = new Noop();
1391	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1392	<	f.completeExceptionally(new CFException());
1393	<	f2.complete(one);
1455	<	checkCompletedWithWrappedCFException(g);
1387	>	public void testThenRun_sourceCancelled() {
1388	>	for (ExecutionMode m : ExecutionMode.values())
1389	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1390	>	{
1391	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1392	>	final Noop[] rs = new Noop[6];
1393	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1394
1395	<	r = new Noop();
1396	<	f = new CompletableFuture<>();
1397	<	f2 = new CompletableFuture<>();
1398	<	f2.completeExceptionally(new CFException());
1399	<	g = f.runAfterEither(f2, r);
1400	<	checkCompletedWithWrappedCFException(g);
1401	<	}
1395	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1396	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1397	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1398	>	checkIncomplete(h0);
1399	>	checkIncomplete(h1);
1400	>	checkIncomplete(h2);
1401	>	assertTrue(f.cancel(mayInterruptIfRunning));
1402	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1403	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1404	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1405	>
1406	>	checkCompletedWithWrappedCancellationException(h0);
1407	>	checkCompletedWithWrappedCancellationException(h1);
1408	>	checkCompletedWithWrappedCancellationException(h2);
1409	>	checkCompletedWithWrappedCancellationException(h3);
1410	>	checkCompletedWithWrappedCancellationException(h4);
1411	>	checkCompletedWithWrappedCancellationException(h5);
1412	>	checkCancelled(f);
1413	>	for (Noop r : rs) r.assertNotInvoked();
1414	>	}}
1415
1416		/**
1417	<	* runAfterEither result completes exceptionally if action does
1417	>	* thenRun result completes exceptionally if action does
1418		*/
1419	<	public void testRunAfterEither3() {
1420	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1421	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1422	<	FailingNoop r = new FailingNoop();
1423	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1424	<	f2.complete(two);
1425	<	checkCompletedWithWrappedCFException(g);
1475	<	}
1419	>	public void testThenRun_actionFailed() {
1420	>	for (ExecutionMode m : ExecutionMode.values())
1421	>	for (Integer v1 : new Integer[] { 1, null })
1422	>	{
1423	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1424	>	final FailingRunnable[] rs = new FailingRunnable[6];
1425	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1426
1427	<	/**
1428	<	* runAfterEither result completes exceptionally if either source cancelled
1429	<	*/
1430	<	public void testRunAfterEither4() {
1431	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1432	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1433	<	Noop r = new Noop();
1434	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1435	<	assertTrue(f.cancel(true));
1436	<	checkCompletedWithWrappedCancellationException(g);
1437	<	f = new CompletableFuture<>();
1438	<	f2 = new CompletableFuture<>();
1439	<	assertTrue(f2.cancel(true));
1440	<	checkCompletedWithWrappedCancellationException(g);
1441	<	}
1427	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1428	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1429	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1430	>	assertTrue(f.complete(v1));
1431	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1432	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1433	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1434	>
1435	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1436	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1437	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1438	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1439	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1440	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1441	>	checkCompletedNormally(f, v1);
1442	>	}}
1443
1444		/**
1445	<	* thenCompose result completes normally after normal completion of source
1445	>	* thenApply result completes normally after normal completion of source
1446		*/
1447	<	public void testThenCompose() {
1448	<	CompletableFuture<Integer> f, g;
1449	<	CompletableFutureInc r;
1450	<
1451	<	f = new CompletableFuture<>();
1452	<	g = f.thenCompose(r = new CompletableFutureInc());
1453	<	f.complete(one);
1503	<	checkCompletedNormally(g, two);
1504	<	assertTrue(r.ran);
1447	>	public void testThenApply_normalCompletion() {
1448	>	for (ExecutionMode m : ExecutionMode.values())
1449	>	for (Integer v1 : new Integer[] { 1, null })
1450	>	{
1451	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1452	>	final IncFunction[] rs = new IncFunction[4];
1453	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1454
1455	<	f = new CompletableFuture<>();
1456	<	f.complete(one);
1457	<	g = f.thenCompose(r = new CompletableFutureInc());
1458	<	checkCompletedNormally(g, two);
1459	<	assertTrue(r.ran);
1460	<	}
1455	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1456	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1457	>	checkIncomplete(h0);
1458	>	checkIncomplete(h1);
1459	>	assertTrue(f.complete(v1));
1460	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1461	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1462	>
1463	>	checkCompletedNormally(h0, inc(v1));
1464	>	checkCompletedNormally(h1, inc(v1));
1465	>	checkCompletedNormally(h2, inc(v1));
1466	>	checkCompletedNormally(h3, inc(v1));
1467	>	checkCompletedNormally(f, v1);
1468	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1469	>	}}
1470
1471		/**
1472	<	* thenCompose result completes exceptionally after exceptional
1472	>	* thenApply result completes exceptionally after exceptional
1473		* completion of source
1474		*/
1475	<	public void testThenCompose2() {
1476	<	CompletableFuture<Integer> f, g;
1477	<	CompletableFutureInc r;
1478	<
1479	<	f = new CompletableFuture<>();
1480	<	g = f.thenCompose(r = new CompletableFutureInc());
1481	<	f.completeExceptionally(new CFException());
1524	<	checkCompletedWithWrappedCFException(g);
1525	<
1526	<	f = new CompletableFuture<>();
1527	<	f.completeExceptionally(new CFException());
1528	<	g = f.thenCompose(r = new CompletableFutureInc());
1529	<	checkCompletedWithWrappedCFException(g);
1530	<	}
1531	<
1532	<	/**
1533	<	* thenCompose result completes exceptionally if action does
1534	<	*/
1535	<	public void testThenCompose3() {
1536	<	CompletableFuture<Integer> f, g;
1537	<	FailingCompletableFutureFunction r;
1475	>	public void testThenApply_exceptionalCompletion() {
1476	>	for (ExecutionMode m : ExecutionMode.values())
1477	>	{
1478	>	final CFException ex = new CFException();
1479	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1480	>	final IncFunction[] rs = new IncFunction[4];
1481	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1482
1483	<	f = new CompletableFuture<>();
1484	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1485	<	f.complete(one);
1486	<	checkCompletedWithWrappedCFException(g);
1487	<
1488	<	f = new CompletableFuture<>();
1489	<	f.complete(one);
1490	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1491	<	checkCompletedWithWrappedCFException(g);
1492	<	}
1483	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1484	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1485	>	assertTrue(f.completeExceptionally(ex));
1486	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1487	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1488	>
1489	>	checkCompletedWithWrappedException(h0, ex);
1490	>	checkCompletedWithWrappedException(h1, ex);
1491	>	checkCompletedWithWrappedException(h2, ex);
1492	>	checkCompletedWithWrappedException(h3, ex);
1493	>	checkCompletedExceptionally(f, ex);
1494	>	for (IncFunction r : rs) r.assertNotInvoked();
1495	>	}}
1496
1497		/**
1498	<	* thenCompose result completes exceptionally if source cancelled
1498	>	* thenApply result completes exceptionally if source cancelled
1499		*/
1500	<	public void testThenCompose4() {
1501	<	CompletableFuture<Integer> f, g;
1502	<	CompletableFutureInc r;
1503	<
1504	<	f = new CompletableFuture<>();
1505	<	g = f.thenCompose(r = new CompletableFutureInc());
1506	<	assertTrue(f.cancel(true));
1560	<	checkCompletedWithWrappedCancellationException(g);
1561	<
1562	<	f = new CompletableFuture<>();
1563	<	assertTrue(f.cancel(true));
1564	<	g = f.thenCompose(r = new CompletableFutureInc());
1565	<	checkCompletedWithWrappedCancellationException(g);
1566	<	}
1567	<
1568	<	// asyncs
1500	>	public void testThenApply_sourceCancelled() {
1501	>	for (ExecutionMode m : ExecutionMode.values())
1502	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1503	>	{
1504	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1505	>	final IncFunction[] rs = new IncFunction[4];
1506	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1507
1508	<	/**
1509	<	* thenRunAsync result completes normally after normal completion of source
1510	<	*/
1511	<	public void testThenRunAsync() {
1512	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1575	<	Noop r = new Noop();
1576	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1577	<	f.complete(null);
1578	<	checkCompletedNormally(g, null);
1508	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1509	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1510	>	assertTrue(f.cancel(mayInterruptIfRunning));
1511	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1512	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1513
1514	<	// reordered version
1515	<	f = new CompletableFuture<>();
1516	<	f.complete(null);
1517	<	r = new Noop();
1518	<	g = f.thenRunAsync(r);
1519	<	checkCompletedNormally(g, null);
1520	<	}
1514	>	checkCompletedWithWrappedCancellationException(h0);
1515	>	checkCompletedWithWrappedCancellationException(h1);
1516	>	checkCompletedWithWrappedCancellationException(h2);
1517	>	checkCompletedWithWrappedCancellationException(h3);
1518	>	checkCancelled(f);
1519	>	for (IncFunction r : rs) r.assertNotInvoked();
1520	>	}}
1521
1522		/**
1523	<	* thenRunAsync result completes exceptionally after exceptional
1590	<	* completion of source
1523	>	* thenApply result completes exceptionally if action does
1524		*/
1525	<	public void testThenRunAsync2() {
1526	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1527	<	Noop r = new Noop();
1528	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1529	<	f.completeExceptionally(new CFException());
1530	<	try {
1531	<	g.join();
1599	<	shouldThrow();
1600	<	} catch (CompletionException success) {}
1601	<	checkCompletedWithWrappedCFException(g);
1602	<	}
1525	>	public void testThenApply_actionFailed() {
1526	>	for (ExecutionMode m : ExecutionMode.values())
1527	>	for (Integer v1 : new Integer[] { 1, null })
1528	>	{
1529	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1530	>	final FailingFunction[] rs = new FailingFunction[4];
1531	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1532
1533	<	/**
1534	<	* thenRunAsync result completes exceptionally if action does
1535	<	*/
1536	<	public void testThenRunAsync3() {
1537	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1538	<	FailingNoop r = new FailingNoop();
1539	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1540	<	f.complete(null);
1541	<	checkCompletedWithWrappedCFException(g);
1542	<	}
1533	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1534	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1535	>	assertTrue(f.complete(v1));
1536	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1537	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1538	>
1539	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1540	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1541	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1542	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1543	>	checkCompletedNormally(f, v1);
1544	>	}}
1545
1546		/**
1547	<	* thenRunAsync result completes exceptionally if source cancelled
1547	>	* thenAccept result completes normally after normal completion of source
1548		*/
1549	<	public void testThenRunAsync4() {
1550	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1551	<	Noop r = new Noop();
1552	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1553	<	assertTrue(f.cancel(true));
1554	<	checkCompletedWithWrappedCancellationException(g);
1555	<	}
1549	>	public void testThenAccept_normalCompletion() {
1550	>	for (ExecutionMode m : ExecutionMode.values())
1551	>	for (Integer v1 : new Integer[] { 1, null })
1552	>	{
1553	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1554	>	final NoopConsumer[] rs = new NoopConsumer[4];
1555	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1556
1557	<	/**
1558	<	* thenApplyAsync result completes normally after normal completion of source
1559	<	*/
1560	<	public void testThenApplyAsync() {
1561	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1562	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1563	<	f.complete(one);
1564	<	checkCompletedNormally(g, two);
1565	<	}
1557	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1558	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1559	>	checkIncomplete(h0);
1560	>	checkIncomplete(h1);
1561	>	assertTrue(f.complete(v1));
1562	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1563	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1564	>
1565	>	checkCompletedNormally(h0, null);
1566	>	checkCompletedNormally(h1, null);
1567	>	checkCompletedNormally(h2, null);
1568	>	checkCompletedNormally(h3, null);
1569	>	checkCompletedNormally(f, v1);
1570	>	for (NoopConsumer r : rs) r.assertValue(v1);
1571	>	}}
1572
1573		/**
1574	<	* thenApplyAsync result completes exceptionally after exceptional
1574	>	* thenAccept result completes exceptionally after exceptional
1575		* completion of source
1576		*/
1577	<	public void testThenApplyAsync2() {
1578	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1579	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1580	<	f.completeExceptionally(new CFException());
1581	<	checkCompletedWithWrappedCFException(g);
1582	<	}
1577	>	public void testThenAccept_exceptionalCompletion() {
1578	>	for (ExecutionMode m : ExecutionMode.values())
1579	>	{
1580	>	final CFException ex = new CFException();
1581	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1582	>	final NoopConsumer[] rs = new NoopConsumer[4];
1583	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1584
1585	<	/**
1586	<	* thenApplyAsync result completes exceptionally if action does
1587	<	*/
1588	<	public void testThenApplyAsync3() {
1589	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1590	<	FailingFunction r = new FailingFunction();
1591	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1592	<	f.complete(null);
1593	<	checkCompletedWithWrappedCFException(g);
1594	<	}
1585	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1586	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1587	>	assertTrue(f.completeExceptionally(ex));
1588	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1589	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1590	>
1591	>	checkCompletedWithWrappedException(h0, ex);
1592	>	checkCompletedWithWrappedException(h1, ex);
1593	>	checkCompletedWithWrappedException(h2, ex);
1594	>	checkCompletedWithWrappedException(h3, ex);
1595	>	checkCompletedExceptionally(f, ex);
1596	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1597	>	}}
1598
1599		/**
1600	<	* thenApplyAsync result completes exceptionally if source cancelled
1600	>	* thenAccept result completes exceptionally if source cancelled
1601		*/
1602	<	public void testThenApplyAsync4() {
1603	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1604	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1605	<	assertTrue(f.cancel(true));
1606	<	checkCompletedWithWrappedCancellationException(g);
1607	<	}
1602	>	public void testThenAccept_sourceCancelled() {
1603	>	for (ExecutionMode m : ExecutionMode.values())
1604	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1605	>	{
1606	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1607	>	final NoopConsumer[] rs = new NoopConsumer[4];
1608	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1609
1610	<	/**
1611	<	* thenAcceptAsync result completes normally after normal
1612	<	* completion of source
1613	<	*/
1614	<	public void testThenAcceptAsync() {
1673	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1674	<	IncAction r = new IncAction();
1675	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1676	<	f.complete(one);
1677	<	checkCompletedNormally(g, null);
1678	<	assertEquals(r.value, 2);
1679	<	}
1610	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1611	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1612	>	assertTrue(f.cancel(mayInterruptIfRunning));
1613	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1614	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1615
1616	<	/**
1617	<	* thenAcceptAsync result completes exceptionally after exceptional
1618	<	* completion of source
1619	<	*/
1620	<	public void testThenAcceptAsync2() {
1621	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1622	<	IncAction r = new IncAction();
1688	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1689	<	f.completeExceptionally(new CFException());
1690	<	checkCompletedWithWrappedCFException(g);
1691	<	}
1616	>	checkCompletedWithWrappedCancellationException(h0);
1617	>	checkCompletedWithWrappedCancellationException(h1);
1618	>	checkCompletedWithWrappedCancellationException(h2);
1619	>	checkCompletedWithWrappedCancellationException(h3);
1620	>	checkCancelled(f);
1621	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1622	>	}}
1623
1624		/**
1625	<	* thenAcceptAsync result completes exceptionally if action does
1625	>	* thenAccept result completes exceptionally if action does
1626		*/
1627	<	public void testThenAcceptAsync3() {
1628	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1629	<	FailingConsumer r = new FailingConsumer();
1630	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1631	<	f.complete(null);
1632	<	checkCompletedWithWrappedCFException(g);
1633	<	}
1627	>	public void testThenAccept_actionFailed() {
1628	>	for (ExecutionMode m : ExecutionMode.values())
1629	>	for (Integer v1 : new Integer[] { 1, null })
1630	>	{
1631	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1632	>	final FailingConsumer[] rs = new FailingConsumer[4];
1633	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1634
1635	<	/**
1636	<	* thenAcceptAsync result completes exceptionally if source cancelled
1637	<	*/
1638	<	public void testThenAcceptAsync4() {
1639	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1640	<	IncAction r = new IncAction();
1641	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1642	<	assertTrue(f.cancel(true));
1643	<	checkCompletedWithWrappedCancellationException(g);
1644	<	}
1635	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1636	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1637	>	assertTrue(f.complete(v1));
1638	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1639	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1640	>
1641	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1642	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1643	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1644	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1645	>	checkCompletedNormally(f, v1);
1646	>	}}
1647
1648		/**
1649	<	* thenCombineAsync result completes normally after normal
1650	<	* completion of sources
1649	>	* thenCombine result completes normally after normal completion
1650	>	* of sources
1651		*/
1652	<	public void testThenCombineAsync() {
1653	<	CompletableFuture<Integer> f, g, h;
1654	<
1655	<	f = new CompletableFuture<>();
1656	<	g = new CompletableFuture<>();
1657	<	h = f.thenCombineAsync(g, subtract);
1658	<	f.complete(3);
1659	<	checkIncomplete(h);
1660	<	g.complete(1);
1661	<	checkCompletedNormally(h, 2);
1652	>	public void testThenCombine_normalCompletion() {
1653	>	for (ExecutionMode m : ExecutionMode.values())
1654	>	for (boolean fFirst : new boolean[] { true, false })
1655	>	for (Integer v1 : new Integer[] { 1, null })
1656	>	for (Integer v2 : new Integer[] { 2, null })
1657	>	{
1658	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1659	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1660	>	final SubtractFunction[] rs = new SubtractFunction[6];
1661	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1662
1663	<	f = new CompletableFuture<>();
1664	<	g = new CompletableFuture<>();
1665	<	h = f.thenCombineAsync(g, subtract);
1666	<	g.complete(1);
1667	<	checkIncomplete(h);
1668	<	f.complete(3);
1669	<	checkCompletedNormally(h, 2);
1663	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1664	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1665	>	final Integer w1 =  fFirst ? v1 : v2;
1666	>	final Integer w2 = !fFirst ? v1 : v2;
1667	>
1668	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1669	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1670	>	assertTrue(fst.complete(w1));
1671	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1672	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1673	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1674	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1675	>	checkCompletedNormally(h1, subtract(w1, w1));
1676	>	checkCompletedNormally(h3, subtract(w1, w1));
1677	>	rs[1].assertValue(subtract(w1, w1));
1678	>	rs[3].assertValue(subtract(w1, w1));
1679	>	assertTrue(snd.complete(w2));
1680	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1681	>
1682	>	checkCompletedNormally(h0, subtract(v1, v2));
1683	>	checkCompletedNormally(h2, subtract(v1, v2));
1684	>	checkCompletedNormally(h4, subtract(v1, v2));
1685	>	rs[0].assertValue(subtract(v1, v2));
1686	>	rs[2].assertValue(subtract(v1, v2));
1687	>	rs[4].assertValue(subtract(v1, v2));
1688
1689	<	f = new CompletableFuture<>();
1690	<	g = new CompletableFuture<>();
1691	<	g.complete(1);
1741	<	f.complete(3);
1742	<	h = f.thenCombineAsync(g, subtract);
1743	<	checkCompletedNormally(h, 2);
1744	<	}
1689	>	checkCompletedNormally(f, v1);
1690	>	checkCompletedNormally(g, v2);
1691	>	}}
1692
1693		/**
1694	<	* thenCombineAsync result completes exceptionally after exceptional
1694	>	* thenCombine result completes exceptionally after exceptional
1695		* completion of either source
1696		*/
1697	<	public void testThenCombineAsync2() {
1698	<	CompletableFuture<Integer> f, g, h;
1699	<
1700	<	f = new CompletableFuture<>();
1701	<	g = new CompletableFuture<>();
1702	<	h = f.thenCombineAsync(g, subtract);
1703	<	f.completeExceptionally(new CFException());
1704	<	checkIncomplete(h);
1705	<	g.complete(1);
1706	<	checkCompletedWithWrappedCFException(h);
1707	<
1708	<	f = new CompletableFuture<>();
1709	<	g = new CompletableFuture<>();
1710	<	h = f.thenCombineAsync(g, subtract);
1711	<	g.completeExceptionally(new CFException());
1712	<	checkIncomplete(h);
1713	<	f.complete(3);
1714	<	checkCompletedWithWrappedCFException(h);
1715	<
1716	<	f = new CompletableFuture<>();
1717	<	g = new CompletableFuture<>();
1718	<	g.completeExceptionally(new CFException());
1719	<	f.complete(3);
1720	<	h = f.thenCombineAsync(g, subtract);
1721	<	checkCompletedWithWrappedCFException(h);
1722	<	}
1723	<
1724	<	/**
1725	<	* thenCombineAsync result completes exceptionally if action does
1726	<	*/
1727	<	public void testThenCombineAsync3() {
1728	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1729	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1730	<	FailingBiFunction r = new FailingBiFunction();
1731	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1732	<	f.complete(one);
1733	<	checkIncomplete(g);
1734	<	assertFalse(r.ran);
1735	<	f2.complete(two);
1789	<	checkCompletedWithWrappedCFException(g);
1790	<	assertTrue(r.ran);
1791	<	}
1792	<
1793	<	/**
1794	<	* thenCombineAsync result completes exceptionally if either source cancelled
1795	<	*/
1796	<	public void testThenCombineAsync4() {
1797	<	CompletableFuture<Integer> f, g, h;
1798	<
1799	<	f = new CompletableFuture<>();
1800	<	g = new CompletableFuture<>();
1801	<	h = f.thenCombineAsync(g, subtract);
1802	<	assertTrue(f.cancel(true));
1803	<	checkIncomplete(h);
1804	<	g.complete(1);
1805	<	checkCompletedWithWrappedCancellationException(h);
1806	<
1807	<	f = new CompletableFuture<>();
1808	<	g = new CompletableFuture<>();
1809	<	h = f.thenCombineAsync(g, subtract);
1810	<	assertTrue(g.cancel(true));
1811	<	checkIncomplete(h);
1812	<	f.complete(3);
1813	<	checkCompletedWithWrappedCancellationException(h);
1814	<
1815	<	f = new CompletableFuture<>();
1816	<	g = new CompletableFuture<>();
1817	<	g.complete(3);
1818	<	assertTrue(f.cancel(true));
1819	<	h = f.thenCombineAsync(g, subtract);
1820	<	checkCompletedWithWrappedCancellationException(h);
1821	<
1822	<	f = new CompletableFuture<>();
1823	<	g = new CompletableFuture<>();
1824	<	f.complete(3);
1825	<	assertTrue(g.cancel(true));
1826	<	h = f.thenCombineAsync(g, subtract);
1827	<	checkCompletedWithWrappedCancellationException(h);
1828	<	}
1829	<
1830	<	/**
1831	<	* thenAcceptBothAsync result completes normally after normal
1832	<	* completion of sources
1833	<	*/
1834	<	public void testThenAcceptBothAsync() {
1835	<	CompletableFuture<Integer> f, g;
1836	<	CompletableFuture<Void> h;
1837	<	SubtractAction r;
1838	<
1839	<	f = new CompletableFuture<>();
1840	<	g = new CompletableFuture<>();
1841	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1842	<	f.complete(3);
1843	<	checkIncomplete(h);
1844	<	g.complete(1);
1845	<	checkCompletedNormally(h, null);
1846	<	assertEquals(r.value, 2);
1847	<
1848	<	f = new CompletableFuture<>();
1849	<	g = new CompletableFuture<>();
1850	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1851	<	g.complete(1);
1852	<	checkIncomplete(h);
1853	<	f.complete(3);
1854	<	checkCompletedNormally(h, null);
1855	<	assertEquals(r.value, 2);
1856	<
1857	<	f = new CompletableFuture<>();
1858	<	g = new CompletableFuture<>();
1859	<	g.complete(1);
1860	<	f.complete(3);
1861	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1862	<	checkCompletedNormally(h, null);
1863	<	assertEquals(r.value, 2);
1864	<	}
1865	<
1866	<	/**
1867	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1868	<	* completion of source
1869	<	*/
1870	<	public void testThenAcceptBothAsync2() {
1871	<	CompletableFuture<Integer> f, g;
1872	<	CompletableFuture<Void> h;
1873	<	SubtractAction r;
1874	<
1875	<	f = new CompletableFuture<>();
1876	<	g = new CompletableFuture<>();
1877	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1878	<	f.completeExceptionally(new CFException());
1879	<	checkIncomplete(h);
1880	<	g.complete(1);
1881	<	checkCompletedWithWrappedCFException(h);
1882	<
1883	<	f = new CompletableFuture<>();
1884	<	g = new CompletableFuture<>();
1885	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1886	<	g.completeExceptionally(new CFException());
1887	<	checkIncomplete(h);
1888	<	f.complete(3);
1889	<	checkCompletedWithWrappedCFException(h);
1890	<
1891	<	f = new CompletableFuture<>();
1892	<	g = new CompletableFuture<>();
1893	<	f.complete(3);
1894	<	g.completeExceptionally(new CFException());
1895	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1896	<	checkCompletedWithWrappedCFException(h);
1897	<
1898	<	f = new CompletableFuture<>();
1899	<	g = new CompletableFuture<>();
1900	<	f.completeExceptionally(new CFException());
1901	<	g.complete(3);
1902	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1903	<	checkCompletedWithWrappedCFException(h);
1904	<	}
1697	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1698	>	for (ExecutionMode m : ExecutionMode.values())
1699	>	for (boolean fFirst : new boolean[] { true, false })
1700	>	for (boolean failFirst : new boolean[] { true, false })
1701	>	for (Integer v1 : new Integer[] { 1, null })
1702	>	{
1703	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1704	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1705	>	final CFException ex = new CFException();
1706	>	final SubtractFunction r1 = new SubtractFunction(m);
1707	>	final SubtractFunction r2 = new SubtractFunction(m);
1708	>	final SubtractFunction r3 = new SubtractFunction(m);
1709	>
1710	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1711	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1712	>	final Callable<Boolean> complete1 = failFirst ?
1713	>	() -> fst.completeExceptionally(ex) :
1714	>	() -> fst.complete(v1);
1715	>	final Callable<Boolean> complete2 = failFirst ?
1716	>	() -> snd.complete(v1) :
1717	>	() -> snd.completeExceptionally(ex);
1718	>
1719	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1720	>	assertTrue(complete1.call());
1721	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1722	>	checkIncomplete(h1);
1723	>	checkIncomplete(h2);
1724	>	assertTrue(complete2.call());
1725	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1726	>
1727	>	checkCompletedWithWrappedException(h1, ex);
1728	>	checkCompletedWithWrappedException(h2, ex);
1729	>	checkCompletedWithWrappedException(h3, ex);
1730	>	r1.assertNotInvoked();
1731	>	r2.assertNotInvoked();
1732	>	r3.assertNotInvoked();
1733	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1734	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1735	>	}}
1736
1737		/**
1738	<	* thenAcceptBothAsync result completes exceptionally if action does
1738	>	* thenCombine result completes exceptionally if either source cancelled
1739		*/
1740	<	public void testThenAcceptBothAsync3() {
1741	<	CompletableFuture<Integer> f, g;
1742	<	CompletableFuture<Void> h;
1743	<	FailingBiConsumer r;
1744	<
1745	<	f = new CompletableFuture<>();
1746	<	g = new CompletableFuture<>();
1747	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1748	<	f.complete(3);
1749	<	checkIncomplete(h);
1750	<	g.complete(1);
1751	<	checkCompletedWithWrappedCFException(h);
1752	<
1753	<	f = new CompletableFuture<>();
1754	<	g = new CompletableFuture<>();
1755	<	f.complete(3);
1756	<	g.complete(1);
1757	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1758	<	checkCompletedWithWrappedCFException(h);
1759	<	}
1740	>	public void testThenCombine_sourceCancelled() throws Throwable {
1741	>	for (ExecutionMode m : ExecutionMode.values())
1742	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1743	>	for (boolean fFirst : new boolean[] { true, false })
1744	>	for (boolean failFirst : new boolean[] { true, false })
1745	>	for (Integer v1 : new Integer[] { 1, null })
1746	>	{
1747	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1748	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1749	>	final SubtractFunction r1 = new SubtractFunction(m);
1750	>	final SubtractFunction r2 = new SubtractFunction(m);
1751	>	final SubtractFunction r3 = new SubtractFunction(m);
1752	>
1753	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1754	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1755	>	final Callable<Boolean> complete1 = failFirst ?
1756	>	() -> fst.cancel(mayInterruptIfRunning) :
1757	>	() -> fst.complete(v1);
1758	>	final Callable<Boolean> complete2 = failFirst ?
1759	>	() -> snd.complete(v1) :
1760	>	() -> snd.cancel(mayInterruptIfRunning);
1761	>
1762	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1763	>	assertTrue(complete1.call());
1764	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1765	>	checkIncomplete(h1);
1766	>	checkIncomplete(h2);
1767	>	assertTrue(complete2.call());
1768	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1769	>
1770	>	checkCompletedWithWrappedCancellationException(h1);
1771	>	checkCompletedWithWrappedCancellationException(h2);
1772	>	checkCompletedWithWrappedCancellationException(h3);
1773	>	r1.assertNotInvoked();
1774	>	r2.assertNotInvoked();
1775	>	r3.assertNotInvoked();
1776	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1777	>	checkCancelled(failFirst ? fst : snd);
1778	>	}}
1779
1780		/**
1781	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
1781	>	* thenCombine result completes exceptionally if action does
1782		*/
1783	<	public void testThenAcceptBothAsync4() {
1784	<	CompletableFuture<Integer> f, g;
1785	<	CompletableFuture<Void> h;
1786	<	SubtractAction r;
1787	<
1788	<	f = new CompletableFuture<>();
1789	<	g = new CompletableFuture<>();
1790	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1791	<	assertTrue(f.cancel(true));
1792	<	checkIncomplete(h);
1793	<	g.complete(1);
1794	<	checkCompletedWithWrappedCancellationException(h);
1795	<
1796	<	f = new CompletableFuture<>();
1797	<	g = new CompletableFuture<>();
1798	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1799	<	assertTrue(g.cancel(true));
1800	<	checkIncomplete(h);
1801	<	f.complete(3);
1802	<	checkCompletedWithWrappedCancellationException(h);
1803	<
1804	<	f = new CompletableFuture<>();
1805	<	g = new CompletableFuture<>();
1806	<	f.complete(3);
1807	<	assertTrue(g.cancel(true));
1808	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1809	<	checkCompletedWithWrappedCancellationException(h);
1810	<
1811	<	f = new CompletableFuture<>();
1812	<	g = new CompletableFuture<>();
1813	<	assertTrue(f.cancel(true));
1814	<	g.complete(3);
1965	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1966	<	checkCompletedWithWrappedCancellationException(h);
1967	<	}
1783	>	public void testThenCombine_actionFailed() {
1784	>	for (ExecutionMode m : ExecutionMode.values())
1785	>	for (boolean fFirst : new boolean[] { true, false })
1786	>	for (Integer v1 : new Integer[] { 1, null })
1787	>	for (Integer v2 : new Integer[] { 2, null })
1788	>	{
1789	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1790	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1791	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1792	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1793	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1794	>
1795	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1796	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1797	>	final Integer w1 =  fFirst ? v1 : v2;
1798	>	final Integer w2 = !fFirst ? v1 : v2;
1799	>
1800	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1801	>	assertTrue(fst.complete(w1));
1802	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1803	>	assertTrue(snd.complete(w2));
1804	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1805	>
1806	>	checkCompletedWithWrappedException(h1, r1.ex);
1807	>	checkCompletedWithWrappedException(h2, r2.ex);
1808	>	checkCompletedWithWrappedException(h3, r3.ex);
1809	>	r1.assertInvoked();
1810	>	r2.assertInvoked();
1811	>	r3.assertInvoked();
1812	>	checkCompletedNormally(f, v1);
1813	>	checkCompletedNormally(g, v2);
1814	>	}}
1815
1816		/**
1817	<	* applyToEitherAsync result completes normally after normal
1817	>	* thenAcceptBoth result completes normally after normal
1818		* completion of sources
1819		*/
1820	<	public void testApplyToEitherAsync() {
1821	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1822	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1823	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1824	<	f.complete(one);
1825	<	checkCompletedNormally(g, two);
1826	<
1827	<	f = new CompletableFuture<>();
1828	<	f.complete(one);
1829	<	f2 = new CompletableFuture<>();
1830	<	g = f.applyToEitherAsync(f2, inc);
1831	<	checkCompletedNormally(g, two);
1832	<	}
1820	>	public void testThenAcceptBoth_normalCompletion() {
1821	>	for (ExecutionMode m : ExecutionMode.values())
1822	>	for (boolean fFirst : new boolean[] { true, false })
1823	>	for (Integer v1 : new Integer[] { 1, null })
1824	>	for (Integer v2 : new Integer[] { 2, null })
1825	>	{
1826	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1827	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1828	>	final SubtractAction r1 = new SubtractAction(m);
1829	>	final SubtractAction r2 = new SubtractAction(m);
1830	>	final SubtractAction r3 = new SubtractAction(m);
1831	>
1832	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1833	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1834	>	final Integer w1 =  fFirst ? v1 : v2;
1835	>	final Integer w2 = !fFirst ? v1 : v2;
1836	>
1837	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1838	>	assertTrue(fst.complete(w1));
1839	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1840	>	checkIncomplete(h1);
1841	>	checkIncomplete(h2);
1842	>	r1.assertNotInvoked();
1843	>	r2.assertNotInvoked();
1844	>	assertTrue(snd.complete(w2));
1845	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1846	>
1847	>	checkCompletedNormally(h1, null);
1848	>	checkCompletedNormally(h2, null);
1849	>	checkCompletedNormally(h3, null);
1850	>	r1.assertValue(subtract(v1, v2));
1851	>	r2.assertValue(subtract(v1, v2));
1852	>	r3.assertValue(subtract(v1, v2));
1853	>	checkCompletedNormally(f, v1);
1854	>	checkCompletedNormally(g, v2);
1855	>	}}
1856
1857		/**
1858	<	* applyToEitherAsync result completes exceptionally after exceptional
1859	<	* completion of source
1858	>	* thenAcceptBoth result completes exceptionally after exceptional
1859	>	* completion of either source
1860		*/
1861	<	public void testApplyToEitherAsync2() {
1862	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1863	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1864	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1865	<	f.completeExceptionally(new CFException());
1866	<	checkCompletedWithWrappedCFException(g);
1867	<
1868	<	f = new CompletableFuture<>();
1869	<	f2 = new CompletableFuture<>();
1870	<	f2.completeExceptionally(new CFException());
1871	<	g = f.applyToEitherAsync(f2, inc);
1872	<	f.complete(one);
1873	<	checkCompletedWithWrappedCFException(g);
1874	<	}
1861	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1862	>	for (ExecutionMode m : ExecutionMode.values())
1863	>	for (boolean fFirst : new boolean[] { true, false })
1864	>	for (boolean failFirst : new boolean[] { true, false })
1865	>	for (Integer v1 : new Integer[] { 1, null })
1866	>	{
1867	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1868	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1869	>	final CFException ex = new CFException();
1870	>	final SubtractAction r1 = new SubtractAction(m);
1871	>	final SubtractAction r2 = new SubtractAction(m);
1872	>	final SubtractAction r3 = new SubtractAction(m);
1873	>
1874	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1875	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1876	>	final Callable<Boolean> complete1 = failFirst ?
1877	>	() -> fst.completeExceptionally(ex) :
1878	>	() -> fst.complete(v1);
1879	>	final Callable<Boolean> complete2 = failFirst ?
1880	>	() -> snd.complete(v1) :
1881	>	() -> snd.completeExceptionally(ex);
1882	>
1883	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1884	>	assertTrue(complete1.call());
1885	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1886	>	checkIncomplete(h1);
1887	>	checkIncomplete(h2);
1888	>	assertTrue(complete2.call());
1889	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1890	>
1891	>	checkCompletedWithWrappedException(h1, ex);
1892	>	checkCompletedWithWrappedException(h2, ex);
1893	>	checkCompletedWithWrappedException(h3, ex);
1894	>	r1.assertNotInvoked();
1895	>	r2.assertNotInvoked();
1896	>	r3.assertNotInvoked();
1897	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1898	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1899	>	}}
1900
1901		/**
1902	<	* applyToEitherAsync result completes exceptionally if action does
1902	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1903		*/
1904	<	public void testApplyToEitherAsync3() {
1905	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1906	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1907	<	FailingFunction r = new FailingFunction();
1908	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1909	<	f.complete(one);
1910	<	checkCompletedWithWrappedCFException(g);
1911	<	}
1904	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1905	>	for (ExecutionMode m : ExecutionMode.values())
1906	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1907	>	for (boolean fFirst : new boolean[] { true, false })
1908	>	for (boolean failFirst : new boolean[] { true, false })
1909	>	for (Integer v1 : new Integer[] { 1, null })
1910	>	{
1911	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1912	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1913	>	final SubtractAction r1 = new SubtractAction(m);
1914	>	final SubtractAction r2 = new SubtractAction(m);
1915	>	final SubtractAction r3 = new SubtractAction(m);
1916	>
1917	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1918	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1919	>	final Callable<Boolean> complete1 = failFirst ?
1920	>	() -> fst.cancel(mayInterruptIfRunning) :
1921	>	() -> fst.complete(v1);
1922	>	final Callable<Boolean> complete2 = failFirst ?
1923	>	() -> snd.complete(v1) :
1924	>	() -> snd.cancel(mayInterruptIfRunning);
1925	>
1926	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1927	>	assertTrue(complete1.call());
1928	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1929	>	checkIncomplete(h1);
1930	>	checkIncomplete(h2);
1931	>	assertTrue(complete2.call());
1932	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1933	>
1934	>	checkCompletedWithWrappedCancellationException(h1);
1935	>	checkCompletedWithWrappedCancellationException(h2);
1936	>	checkCompletedWithWrappedCancellationException(h3);
1937	>	r1.assertNotInvoked();
1938	>	r2.assertNotInvoked();
1939	>	r3.assertNotInvoked();
1940	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1941	>	checkCancelled(failFirst ? fst : snd);
1942	>	}}
1943
1944		/**
1945	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1945	>	* thenAcceptBoth result completes exceptionally if action does
1946		*/
1947	<	public void testApplyToEitherAsync4() {
1948	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1949	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1950	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1951	<	assertTrue(f.cancel(true));
1952	<	checkCompletedWithWrappedCancellationException(g);
1953	<
1954	<	f = new CompletableFuture<>();
1955	<	f2 = new CompletableFuture<>();
1956	<	assertTrue(f2.cancel(true));
1957	<	g = f.applyToEitherAsync(f2, inc);
1958	<	checkCompletedWithWrappedCancellationException(g);
1959	<	}
1947	>	public void testThenAcceptBoth_actionFailed() {
1948	>	for (ExecutionMode m : ExecutionMode.values())
1949	>	for (boolean fFirst : new boolean[] { true, false })
1950	>	for (Integer v1 : new Integer[] { 1, null })
1951	>	for (Integer v2 : new Integer[] { 2, null })
1952	>	{
1953	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1954	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1955	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1956	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1957	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1958	>
1959	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1960	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1961	>	final Integer w1 =  fFirst ? v1 : v2;
1962	>	final Integer w2 = !fFirst ? v1 : v2;
1963	>
1964	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1965	>	assertTrue(fst.complete(w1));
1966	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1967	>	assertTrue(snd.complete(w2));
1968	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1969	>
1970	>	checkCompletedWithWrappedException(h1, r1.ex);
1971	>	checkCompletedWithWrappedException(h2, r2.ex);
1972	>	checkCompletedWithWrappedException(h3, r3.ex);
1973	>	r1.assertInvoked();
1974	>	r2.assertInvoked();
1975	>	r3.assertInvoked();
1976	>	checkCompletedNormally(f, v1);
1977	>	checkCompletedNormally(g, v2);
1978	>	}}
1979
1980		/**
1981	<	* acceptEitherAsync result completes normally after normal
1981	>	* runAfterBoth result completes normally after normal
1982		* completion of sources
1983		*/
1984	<	public void testAcceptEitherAsync() {
1985	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1986	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1987	<	IncAction r = new IncAction();
1988	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1989	<	f.complete(one);
1990	<	checkCompletedNormally(g, null);
1991	<	assertEquals(r.value, 2);
1992	<
1993	<	r = new IncAction();
1994	<	f = new CompletableFuture<>();
1995	<	f.complete(one);
1996	<	f2 = new CompletableFuture<>();
1997	<	g = f.acceptEitherAsync(f2, r);
1998	<	checkCompletedNormally(g, null);
1999	<	assertEquals(r.value, 2);
2000	<	}
2001	<
2002	<	/**
2003	<	* acceptEitherAsync result completes exceptionally after exceptional
2004	<	* completion of source
2005	<	*/
2006	<	public void testAcceptEitherAsync2() {
2007	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2008	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2009	<	IncAction r = new IncAction();
2010	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2011	<	f.completeExceptionally(new CFException());
2012	<	checkCompletedWithWrappedCFException(g);
2013	<
2014	<	r = new IncAction();
2015	<	f = new CompletableFuture<>();
2016	<	f2 = new CompletableFuture<>();
2017	<	f2.completeExceptionally(new CFException());
2018	<	g = f.acceptEitherAsync(f2, r);
2019	<	f.complete(one);
2075	<	checkCompletedWithWrappedCFException(g);
2076	<	}
2077	<
2078	<	/**
2079	<	* acceptEitherAsync result completes exceptionally if action does
2080	<	*/
2081	<	public void testAcceptEitherAsync3() {
2082	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2083	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2084	<	FailingConsumer r = new FailingConsumer();
2085	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2086	<	f.complete(one);
2087	<	checkCompletedWithWrappedCFException(g);
2088	<	}
2089	<
2090	<	/**
2091	<	* acceptEitherAsync result completes exceptionally if either
2092	<	* source cancelled
2093	<	*/
2094	<	public void testAcceptEitherAsync4() {
2095	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2096	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2097	<	IncAction r = new IncAction();
2098	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2099	<	assertTrue(f.cancel(true));
2100	<	checkCompletedWithWrappedCancellationException(g);
2101	<
2102	<	r = new IncAction();
2103	<	f = new CompletableFuture<>();
2104	<	f2 = new CompletableFuture<>();
2105	<	assertTrue(f2.cancel(true));
2106	<	g = f.acceptEitherAsync(f2, r);
2107	<	checkCompletedWithWrappedCancellationException(g);
2108	<	}
1984	>	public void testRunAfterBoth_normalCompletion() {
1985	>	for (ExecutionMode m : ExecutionMode.values())
1986	>	for (boolean fFirst : new boolean[] { true, false })
1987	>	for (Integer v1 : new Integer[] { 1, null })
1988	>	for (Integer v2 : new Integer[] { 2, null })
1989	>	{
1990	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1991	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1992	>	final Noop r1 = new Noop(m);
1993	>	final Noop r2 = new Noop(m);
1994	>	final Noop r3 = new Noop(m);
1995	>
1996	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1997	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1998	>	final Integer w1 =  fFirst ? v1 : v2;
1999	>	final Integer w2 = !fFirst ? v1 : v2;
2000	>
2001	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2002	>	assertTrue(fst.complete(w1));
2003	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2004	>	checkIncomplete(h1);
2005	>	checkIncomplete(h2);
2006	>	r1.assertNotInvoked();
2007	>	r2.assertNotInvoked();
2008	>	assertTrue(snd.complete(w2));
2009	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2010	>
2011	>	checkCompletedNormally(h1, null);
2012	>	checkCompletedNormally(h2, null);
2013	>	checkCompletedNormally(h3, null);
2014	>	r1.assertInvoked();
2015	>	r2.assertInvoked();
2016	>	r3.assertInvoked();
2017	>	checkCompletedNormally(f, v1);
2018	>	checkCompletedNormally(g, v2);
2019	>	}}
2020
2021		/**
2022	<	* runAfterEitherAsync result completes normally after normal
2023	<	* completion of sources
2022	>	* runAfterBoth result completes exceptionally after exceptional
2023	>	* completion of either source
2024		*/
2025	<	public void testRunAfterEitherAsync() {
2026	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2027	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2028	<	Noop r = new Noop();
2029	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2030	<	f.complete(one);
2031	<	checkCompletedNormally(g, null);
2032	<	assertTrue(r.ran);
2033	<
2034	<	r = new Noop();
2035	<	f = new CompletableFuture<>();
2036	<	f.complete(one);
2037	<	f2 = new CompletableFuture<>();
2038	<	g = f.runAfterEitherAsync(f2, r);
2039	<	checkCompletedNormally(g, null);
2040	<	assertTrue(r.ran);
2041	<	}
2025	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2026	>	for (ExecutionMode m : ExecutionMode.values())
2027	>	for (boolean fFirst : new boolean[] { true, false })
2028	>	for (boolean failFirst : new boolean[] { true, false })
2029	>	for (Integer v1 : new Integer[] { 1, null })
2030	>	{
2031	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2032	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2033	>	final CFException ex = new CFException();
2034	>	final Noop r1 = new Noop(m);
2035	>	final Noop r2 = new Noop(m);
2036	>	final Noop r3 = new Noop(m);
2037	>
2038	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2039	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2040	>	final Callable<Boolean> complete1 = failFirst ?
2041	>	() -> fst.completeExceptionally(ex) :
2042	>	() -> fst.complete(v1);
2043	>	final Callable<Boolean> complete2 = failFirst ?
2044	>	() -> snd.complete(v1) :
2045	>	() -> snd.completeExceptionally(ex);
2046	>
2047	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2048	>	assertTrue(complete1.call());
2049	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2050	>	checkIncomplete(h1);
2051	>	checkIncomplete(h2);
2052	>	assertTrue(complete2.call());
2053	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2054	>
2055	>	checkCompletedWithWrappedException(h1, ex);
2056	>	checkCompletedWithWrappedException(h2, ex);
2057	>	checkCompletedWithWrappedException(h3, ex);
2058	>	r1.assertNotInvoked();
2059	>	r2.assertNotInvoked();
2060	>	r3.assertNotInvoked();
2061	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2062	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2063	>	}}
2064
2065		/**
2066	<	* runAfterEitherAsync result completes exceptionally after exceptional
2134	<	* completion of source
2066	>	* runAfterBoth result completes exceptionally if either source cancelled
2067		*/
2068	<	public void testRunAfterEitherAsync2() {
2069	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2070	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2071	<	Noop r = new Noop();
2072	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2073	<	f.completeExceptionally(new CFException());
2074	<	checkCompletedWithWrappedCFException(g);
2075	<
2076	<	r = new Noop();
2077	<	f = new CompletableFuture<>();
2078	<	f2 = new CompletableFuture<>();
2079	<	f2.completeExceptionally(new CFException());
2080	<	g = f.runAfterEitherAsync(f2, r);
2081	<	f.complete(one);
2082	<	checkCompletedWithWrappedCFException(g);
2083	<	}
2068	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2069	>	for (ExecutionMode m : ExecutionMode.values())
2070	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2071	>	for (boolean fFirst : new boolean[] { true, false })
2072	>	for (boolean failFirst : new boolean[] { true, false })
2073	>	for (Integer v1 : new Integer[] { 1, null })
2074	>	{
2075	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2076	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2077	>	final Noop r1 = new Noop(m);
2078	>	final Noop r2 = new Noop(m);
2079	>	final Noop r3 = new Noop(m);
2080	>
2081	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2082	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2083	>	final Callable<Boolean> complete1 = failFirst ?
2084	>	() -> fst.cancel(mayInterruptIfRunning) :
2085	>	() -> fst.complete(v1);
2086	>	final Callable<Boolean> complete2 = failFirst ?
2087	>	() -> snd.complete(v1) :
2088	>	() -> snd.cancel(mayInterruptIfRunning);
2089	>
2090	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2091	>	assertTrue(complete1.call());
2092	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2093	>	checkIncomplete(h1);
2094	>	checkIncomplete(h2);
2095	>	assertTrue(complete2.call());
2096	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2097	>
2098	>	checkCompletedWithWrappedCancellationException(h1);
2099	>	checkCompletedWithWrappedCancellationException(h2);
2100	>	checkCompletedWithWrappedCancellationException(h3);
2101	>	r1.assertNotInvoked();
2102	>	r2.assertNotInvoked();
2103	>	r3.assertNotInvoked();
2104	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2105	>	checkCancelled(failFirst ? fst : snd);
2106	>	}}
2107
2108		/**
2109	<	* runAfterEitherAsync result completes exceptionally if action does
2109	>	* runAfterBoth result completes exceptionally if action does
2110		*/
2111	<	public void testRunAfterEitherAsync3() {
2112	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2113	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2114	<	FailingNoop r = new FailingNoop();
2115	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2116	<	f.complete(one);
2117	<	checkCompletedWithWrappedCFException(g);
2118	<	}
2111	>	public void testRunAfterBoth_actionFailed() {
2112	>	for (ExecutionMode m : ExecutionMode.values())
2113	>	for (boolean fFirst : new boolean[] { true, false })
2114	>	for (Integer v1 : new Integer[] { 1, null })
2115	>	for (Integer v2 : new Integer[] { 2, null })
2116	>	{
2117	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2118	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2119	>	final FailingRunnable r1 = new FailingRunnable(m);
2120	>	final FailingRunnable r2 = new FailingRunnable(m);
2121	>	final FailingRunnable r3 = new FailingRunnable(m);
2122	>
2123	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2124	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2125	>	final Integer w1 =  fFirst ? v1 : v2;
2126	>	final Integer w2 = !fFirst ? v1 : v2;
2127	>
2128	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2129	>	assertTrue(fst.complete(w1));
2130	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2131	>	assertTrue(snd.complete(w2));
2132	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2133	>
2134	>	checkCompletedWithWrappedException(h1, r1.ex);
2135	>	checkCompletedWithWrappedException(h2, r2.ex);
2136	>	checkCompletedWithWrappedException(h3, r3.ex);
2137	>	r1.assertInvoked();
2138	>	r2.assertInvoked();
2139	>	r3.assertInvoked();
2140	>	checkCompletedNormally(f, v1);
2141	>	checkCompletedNormally(g, v2);
2142	>	}}
2143
2144		/**
2145	<	* runAfterEitherAsync result completes exceptionally if either
2146	<	* source cancelled
2145	>	* applyToEither result completes normally after normal completion
2146	>	* of either source
2147		*/
2148	<	public void testRunAfterEitherAsync4() {
2149	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2150	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2151	<	Noop r = new Noop();
2152	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2153	<	assertTrue(f.cancel(true));
2154	<	checkCompletedWithWrappedCancellationException(g);
2155	<
2156	<	r = new Noop();
2178	<	f = new CompletableFuture<>();
2179	<	f2 = new CompletableFuture<>();
2180	<	assertTrue(f2.cancel(true));
2181	<	g = f.runAfterEitherAsync(f2, r);
2182	<	checkCompletedWithWrappedCancellationException(g);
2183	<	}
2148	>	public void testApplyToEither_normalCompletion() {
2149	>	for (ExecutionMode m : ExecutionMode.values())
2150	>	for (Integer v1 : new Integer[] { 1, null })
2151	>	for (Integer v2 : new Integer[] { 2, null })
2152	>	{
2153	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2154	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2155	>	final IncFunction[] rs = new IncFunction[6];
2156	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2157
2158	<	/**
2159	<	* thenComposeAsync result completes normally after normal
2160	<	* completion of source
2161	<	*/
2162	<	public void testThenComposeAsync() {
2163	<	CompletableFuture<Integer> f, g;
2164	<	CompletableFutureInc r;
2158	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2159	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2160	>	checkIncomplete(h0);
2161	>	checkIncomplete(h1);
2162	>	rs[0].assertNotInvoked();
2163	>	rs[1].assertNotInvoked();
2164	>	f.complete(v1);
2165	>	checkCompletedNormally(h0, inc(v1));
2166	>	checkCompletedNormally(h1, inc(v1));
2167	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2168	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2169	>	checkCompletedNormally(h2, inc(v1));
2170	>	checkCompletedNormally(h3, inc(v1));
2171	>	g.complete(v2);
2172
2173	<	f = new CompletableFuture<>();
2174	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2175	<	f.complete(one);
2176	<	checkCompletedNormally(g, two);
2173	>	// unspecified behavior - both source completions available
2174	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2175	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2176	>	rs[4].assertValue(h4.join());
2177	>	rs[5].assertValue(h5.join());
2178	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2179	>	Objects.equals(inc(v2), h4.join()));
2180	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2181	>	Objects.equals(inc(v2), h5.join()));
2182
2183	<	f = new CompletableFuture<>();
2184	<	f.complete(one);
2185	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2186	<	checkCompletedNormally(g, two);
2187	<	}
2183	>	checkCompletedNormally(f, v1);
2184	>	checkCompletedNormally(g, v2);
2185	>	checkCompletedNormally(h0, inc(v1));
2186	>	checkCompletedNormally(h1, inc(v1));
2187	>	checkCompletedNormally(h2, inc(v1));
2188	>	checkCompletedNormally(h3, inc(v1));
2189	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2190	>	}}
2191
2192		/**
2193	<	* thenComposeAsync result completes exceptionally after
2194	<	* exceptional completion of source
2193	>	* applyToEither result completes exceptionally after exceptional
2194	>	* completion of either source
2195		*/
2196	<	public void testThenComposeAsync2() {
2197	<	CompletableFuture<Integer> f, g;
2198	<	CompletableFutureInc r;
2199	<
2200	<	f = new CompletableFuture<>();
2201	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2202	<	f.completeExceptionally(new CFException());
2203	<	checkCompletedWithWrappedCFException(g);
2204	<	assertFalse(r.ran);
2217	<
2218	<	f = new CompletableFuture<>();
2219	<	f.completeExceptionally(new CFException());
2220	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2221	<	checkCompletedWithWrappedCFException(g);
2222	<	assertFalse(r.ran);
2223	<	}
2196	>	public void testApplyToEither_exceptionalCompletion() {
2197	>	for (ExecutionMode m : ExecutionMode.values())
2198	>	for (Integer v1 : new Integer[] { 1, null })
2199	>	{
2200	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2201	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2202	>	final CFException ex = new CFException();
2203	>	final IncFunction[] rs = new IncFunction[6];
2204	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2205
2206	<	/**
2207	<	* thenComposeAsync result completes exceptionally if action does
2208	<	*/
2209	<	public void testThenComposeAsync3() {
2210	<	CompletableFuture<Integer> f, g;
2211	<	FailingCompletableFutureFunction r;
2206	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2207	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2208	>	checkIncomplete(h0);
2209	>	checkIncomplete(h1);
2210	>	rs[0].assertNotInvoked();
2211	>	rs[1].assertNotInvoked();
2212	>	f.completeExceptionally(ex);
2213	>	checkCompletedWithWrappedException(h0, ex);
2214	>	checkCompletedWithWrappedException(h1, ex);
2215	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2216	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2217	>	checkCompletedWithWrappedException(h2, ex);
2218	>	checkCompletedWithWrappedException(h3, ex);
2219	>	g.complete(v1);
2220
2221	<	f = new CompletableFuture<>();
2222	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2223	<	f.complete(one);
2224	<	checkCompletedWithWrappedCFException(g);
2221	>	// unspecified behavior - both source completions available
2222	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2223	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2224	>	try {
2225	>	assertEquals(inc(v1), h4.join());
2226	>	rs[4].assertValue(inc(v1));
2227	>	} catch (CompletionException ok) {
2228	>	checkCompletedWithWrappedException(h4, ex);
2229	>	rs[4].assertNotInvoked();
2230	>	}
2231	>	try {
2232	>	assertEquals(inc(v1), h5.join());
2233	>	rs[5].assertValue(inc(v1));
2234	>	} catch (CompletionException ok) {
2235	>	checkCompletedWithWrappedException(h5, ex);
2236	>	rs[5].assertNotInvoked();
2237	>	}
2238
2239	<	f = new CompletableFuture<>();
2240	<	f.complete(one);
2241	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2242	<	checkCompletedWithWrappedCFException(g);
2243	<	}
2239	>	checkCompletedExceptionally(f, ex);
2240	>	checkCompletedNormally(g, v1);
2241	>	checkCompletedWithWrappedException(h0, ex);
2242	>	checkCompletedWithWrappedException(h1, ex);
2243	>	checkCompletedWithWrappedException(h2, ex);
2244	>	checkCompletedWithWrappedException(h3, ex);
2245	>	checkCompletedWithWrappedException(h4, ex);
2246	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2247	>	}}
2248
2249	<	/**
2250	<	* thenComposeAsync result completes exceptionally if source cancelled
2251	<	*/
2252	<	public void testThenComposeAsync4() {
2253	<	CompletableFuture<Integer> f, g;
2254	<	CompletableFutureInc r;
2249	>	public void testApplyToEither_exceptionalCompletion2() {
2250	>	for (ExecutionMode m : ExecutionMode.values())
2251	>	for (boolean fFirst : new boolean[] { true, false })
2252	>	for (Integer v1 : new Integer[] { 1, null })
2253	>	{
2254	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2255	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2256	>	final CFException ex = new CFException();
2257	>	final IncFunction[] rs = new IncFunction[6];
2258	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2259
2260	<	f = new CompletableFuture<>();
2261	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2262	<	assertTrue(f.cancel(true));
2263	<	checkCompletedWithWrappedCancellationException(g);
2260	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2261	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2262	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2263	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2264	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2265	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2266
2267	<	f = new CompletableFuture<>();
2268	<	assertTrue(f.cancel(true));
2269	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2270	<	checkCompletedWithWrappedCancellationException(g);
2271	<	}
2267	>	// unspecified behavior - both source completions available
2268	>	try {
2269	>	assertEquals(inc(v1), h0.join());
2270	>	rs[0].assertValue(inc(v1));
2271	>	} catch (CompletionException ok) {
2272	>	checkCompletedWithWrappedException(h0, ex);
2273	>	rs[0].assertNotInvoked();
2274	>	}
2275	>	try {
2276	>	assertEquals(inc(v1), h1.join());
2277	>	rs[1].assertValue(inc(v1));
2278	>	} catch (CompletionException ok) {
2279	>	checkCompletedWithWrappedException(h1, ex);
2280	>	rs[1].assertNotInvoked();
2281	>	}
2282	>	try {
2283	>	assertEquals(inc(v1), h2.join());
2284	>	rs[2].assertValue(inc(v1));
2285	>	} catch (CompletionException ok) {
2286	>	checkCompletedWithWrappedException(h2, ex);
2287	>	rs[2].assertNotInvoked();
2288	>	}
2289	>	try {
2290	>	assertEquals(inc(v1), h3.join());
2291	>	rs[3].assertValue(inc(v1));
2292	>	} catch (CompletionException ok) {
2293	>	checkCompletedWithWrappedException(h3, ex);
2294	>	rs[3].assertNotInvoked();
2295	>	}
2296
2297	<	// async with explicit executors
2297	>	checkCompletedNormally(f, v1);
2298	>	checkCompletedExceptionally(g, ex);
2299	>	}}
2300
2301		/**
2302	<	* thenRunAsync result completes normally after normal completion of source
2302	>	* applyToEither result completes exceptionally if either source cancelled
2303		*/
2304	<	public void testThenRunAsyncE() {
2305	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2306	<	Noop r = new Noop();
2307	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2308	<	f.complete(null);
2309	<	checkCompletedNormally(g, null);
2304	>	public void testApplyToEither_sourceCancelled() {
2305	>	for (ExecutionMode m : ExecutionMode.values())
2306	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2307	>	for (Integer v1 : new Integer[] { 1, null })
2308	>	{
2309	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2310	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2311	>	final IncFunction[] rs = new IncFunction[6];
2312	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2313
2314	<	// reordered version
2315	<	f = new CompletableFuture<>();
2316	<	f.complete(null);
2317	<	r = new Noop();
2318	<	g = f.thenRunAsync(r, new ThreadExecutor());
2319	<	checkCompletedNormally(g, null);
2320	<	}
2314	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2315	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2316	>	checkIncomplete(h0);
2317	>	checkIncomplete(h1);
2318	>	rs[0].assertNotInvoked();
2319	>	rs[1].assertNotInvoked();
2320	>	f.cancel(mayInterruptIfRunning);
2321	>	checkCompletedWithWrappedCancellationException(h0);
2322	>	checkCompletedWithWrappedCancellationException(h1);
2323	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2324	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2325	>	checkCompletedWithWrappedCancellationException(h2);
2326	>	checkCompletedWithWrappedCancellationException(h3);
2327	>	g.complete(v1);
2328
2329	<	/**
2330	<	* thenRunAsync result completes exceptionally after exceptional
2331	<	* completion of source
2284	<	*/
2285	<	public void testThenRunAsync2E() {
2286	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2287	<	Noop r = new Noop();
2288	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2289	<	f.completeExceptionally(new CFException());
2329	>	// unspecified behavior - both source completions available
2330	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2331	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2332		try {
2333	<	g.join();
2334	<	shouldThrow();
2335	<	} catch (CompletionException success) {}
2336	<	checkCompletedWithWrappedCFException(g);
2337	<	}
2333	>	assertEquals(inc(v1), h4.join());
2334	>	rs[4].assertValue(inc(v1));
2335	>	} catch (CompletionException ok) {
2336	>	checkCompletedWithWrappedCancellationException(h4);
2337	>	rs[4].assertNotInvoked();
2338	>	}
2339	>	try {
2340	>	assertEquals(inc(v1), h5.join());
2341	>	rs[5].assertValue(inc(v1));
2342	>	} catch (CompletionException ok) {
2343	>	checkCompletedWithWrappedCancellationException(h5);
2344	>	rs[5].assertNotInvoked();
2345	>	}
2346
2347	<	/**
2348	<	* thenRunAsync result completes exceptionally if action does
2349	<	*/
2350	<	public void testThenRunAsync3E() {
2351	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2352	<	FailingNoop r = new FailingNoop();
2353	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2354	<	f.complete(null);
2305	<	checkCompletedWithWrappedCFException(g);
2306	<	}
2347	>	checkCancelled(f);
2348	>	checkCompletedNormally(g, v1);
2349	>	checkCompletedWithWrappedCancellationException(h0);
2350	>	checkCompletedWithWrappedCancellationException(h1);
2351	>	checkCompletedWithWrappedCancellationException(h2);
2352	>	checkCompletedWithWrappedCancellationException(h3);
2353	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2354	>	}}
2355
2356	<	/**
2357	<	* thenRunAsync result completes exceptionally if source cancelled
2358	<	*/
2359	<	public void testThenRunAsync4E() {
2360	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2361	<	Noop r = new Noop();
2362	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2363	<	assertTrue(f.cancel(true));
2364	<	checkCompletedWithWrappedCancellationException(g);
2365	<	}
2356	>	public void testApplyToEither_sourceCancelled2() {
2357	>	for (ExecutionMode m : ExecutionMode.values())
2358	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2359	>	for (boolean fFirst : new boolean[] { true, false })
2360	>	for (Integer v1 : new Integer[] { 1, null })
2361	>	{
2362	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2363	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2364	>	final IncFunction[] rs = new IncFunction[6];
2365	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2366
2367	<	/**
2368	<	* thenApplyAsync result completes normally after normal completion of source
2369	<	*/
2370	<	public void testThenApplyAsyncE() {
2371	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2372	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2325	<	f.complete(one);
2326	<	checkCompletedNormally(g, two);
2327	<	}
2367	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2368	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2369	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2370	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2371	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2372	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2373
2374	<	/**
2375	<	* thenApplyAsync result completes exceptionally after exceptional
2376	<	* completion of source
2377	<	*/
2378	<	public void testThenApplyAsync2E() {
2379	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2380	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2381	<	f.completeExceptionally(new CFException());
2382	<	checkCompletedWithWrappedCFException(g);
2383	<	}
2374	>	// unspecified behavior - both source completions available
2375	>	try {
2376	>	assertEquals(inc(v1), h0.join());
2377	>	rs[0].assertValue(inc(v1));
2378	>	} catch (CompletionException ok) {
2379	>	checkCompletedWithWrappedCancellationException(h0);
2380	>	rs[0].assertNotInvoked();
2381	>	}
2382	>	try {
2383	>	assertEquals(inc(v1), h1.join());
2384	>	rs[1].assertValue(inc(v1));
2385	>	} catch (CompletionException ok) {
2386	>	checkCompletedWithWrappedCancellationException(h1);
2387	>	rs[1].assertNotInvoked();
2388	>	}
2389	>	try {
2390	>	assertEquals(inc(v1), h2.join());
2391	>	rs[2].assertValue(inc(v1));
2392	>	} catch (CompletionException ok) {
2393	>	checkCompletedWithWrappedCancellationException(h2);
2394	>	rs[2].assertNotInvoked();
2395	>	}
2396	>	try {
2397	>	assertEquals(inc(v1), h3.join());
2398	>	rs[3].assertValue(inc(v1));
2399	>	} catch (CompletionException ok) {
2400	>	checkCompletedWithWrappedCancellationException(h3);
2401	>	rs[3].assertNotInvoked();
2402	>	}
2403
2404	<	/**
2405	<	* thenApplyAsync result completes exceptionally if action does
2406	<	*/
2343	<	public void testThenApplyAsync3E() {
2344	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2345	<	FailingFunction r = new FailingFunction();
2346	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2347	<	f.complete(null);
2348	<	checkCompletedWithWrappedCFException(g);
2349	<	}
2404	>	checkCompletedNormally(f, v1);
2405	>	checkCancelled(g);
2406	>	}}
2407
2408		/**
2409	<	* thenApplyAsync result completes exceptionally if source cancelled
2409	>	* applyToEither result completes exceptionally if action does
2410		*/
2411	<	public void testThenApplyAsync4E() {
2412	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2413	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2414	<	assertTrue(f.cancel(true));
2415	<	checkCompletedWithWrappedCancellationException(g);
2416	<	}
2411	>	public void testApplyToEither_actionFailed() {
2412	>	for (ExecutionMode m : ExecutionMode.values())
2413	>	for (Integer v1 : new Integer[] { 1, null })
2414	>	for (Integer v2 : new Integer[] { 2, null })
2415	>	{
2416	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2417	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2418	>	final FailingFunction[] rs = new FailingFunction[6];
2419	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2420
2421	<	/**
2422	<	* thenAcceptAsync result completes normally after normal
2423	<	* completion of source
2424	<	*/
2425	<	public void testThenAcceptAsyncE() {
2426	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2427	<	IncAction r = new IncAction();
2428	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2429	<	f.complete(one);
2430	<	checkCompletedNormally(g, null);
2371	<	assertEquals(r.value, 2);
2372	<	}
2421	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2422	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2423	>	f.complete(v1);
2424	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2425	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2426	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2427	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2428	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2429	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2430	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2431
2432	<	/**
2375	<	* thenAcceptAsync result completes exceptionally after exceptional
2376	<	* completion of source
2377	<	*/
2378	<	public void testThenAcceptAsync2E() {
2379	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2380	<	IncAction r = new IncAction();
2381	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2382	<	f.completeExceptionally(new CFException());
2383	<	checkCompletedWithWrappedCFException(g);
2384	<	}
2432	>	g.complete(v2);
2433
2434	<	/**
2435	<	* thenAcceptAsync result completes exceptionally if action does
2436	<	*/
2437	<	public void testThenAcceptAsync3E() {
2438	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2439	<	FailingConsumer r = new FailingConsumer();
2440	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2441	<	f.complete(null);
2442	<	checkCompletedWithWrappedCFException(g);
2443	<	}
2434	>	// unspecified behavior - both source completions available
2435	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2436	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2437	>
2438	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2439	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2440	>	Objects.equals(v2, rs[4].value));
2441	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2442	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2443	>	Objects.equals(v2, rs[5].value));
2444
2445	<	/**
2446	<	* thenAcceptAsync result completes exceptionally if source cancelled
2447	<	*/
2400	<	public void testThenAcceptAsync4E() {
2401	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2402	<	IncAction r = new IncAction();
2403	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2404	<	assertTrue(f.cancel(true));
2405	<	checkCompletedWithWrappedCancellationException(g);
2406	<	}
2445	>	checkCompletedNormally(f, v1);
2446	>	checkCompletedNormally(g, v2);
2447	>	}}
2448
2449		/**
2450	<	* thenCombineAsync result completes normally after normal
2451	<	* completion of sources
2450	>	* acceptEither result completes normally after normal completion
2451	>	* of either source
2452		*/
2453	<	public void testThenCombineAsyncE() {
2454	<	CompletableFuture<Integer> f, g, h;
2455	<	ThreadExecutor e = new ThreadExecutor();
2456	<	int count = 0;
2453	>	public void testAcceptEither_normalCompletion() {
2454	>	for (ExecutionMode m : ExecutionMode.values())
2455	>	for (Integer v1 : new Integer[] { 1, null })
2456	>	for (Integer v2 : new Integer[] { 2, null })
2457	>	{
2458	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2459	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2460	>	final NoopConsumer[] rs = new NoopConsumer[6];
2461	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2462
2463	<	f = new CompletableFuture<>();
2464	<	g = new CompletableFuture<>();
2465	<	h = f.thenCombineAsync(g, subtract, e);
2466	<	f.complete(3);
2467	<	checkIncomplete(h);
2468	<	g.complete(1);
2469	<	checkCompletedNormally(h, 2);
2470	<	assertEquals(++count, e.count.get());
2463	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2464	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2465	>	checkIncomplete(h0);
2466	>	checkIncomplete(h1);
2467	>	rs[0].assertNotInvoked();
2468	>	rs[1].assertNotInvoked();
2469	>	f.complete(v1);
2470	>	checkCompletedNormally(h0, null);
2471	>	checkCompletedNormally(h1, null);
2472	>	rs[0].assertValue(v1);
2473	>	rs[1].assertValue(v1);
2474	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2475	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2476	>	checkCompletedNormally(h2, null);
2477	>	checkCompletedNormally(h3, null);
2478	>	rs[2].assertValue(v1);
2479	>	rs[3].assertValue(v1);
2480	>	g.complete(v2);
2481
2482	<	f = new CompletableFuture<>();
2483	<	g = new CompletableFuture<>();
2484	<	h = f.thenCombineAsync(g, subtract, e);
2485	<	g.complete(1);
2486	<	checkIncomplete(h);
2487	<	f.complete(3);
2488	<	checkCompletedNormally(h, 2);
2489	<	assertEquals(++count, e.count.get());
2482	>	// unspecified behavior - both source completions available
2483	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2484	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2485	>	checkCompletedNormally(h4, null);
2486	>	checkCompletedNormally(h5, null);
2487	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2488	>	Objects.equals(v2, rs[4].value));
2489	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2490	>	Objects.equals(v2, rs[5].value));
2491
2492	<	f = new CompletableFuture<>();
2493	<	g = new CompletableFuture<>();
2494	<	g.complete(1);
2495	<	f.complete(3);
2496	<	h = f.thenCombineAsync(g, subtract, e);
2497	<	checkCompletedNormally(h, 2);
2498	<	assertEquals(++count, e.count.get());
2499	<	}
2492	>	checkCompletedNormally(f, v1);
2493	>	checkCompletedNormally(g, v2);
2494	>	checkCompletedNormally(h0, null);
2495	>	checkCompletedNormally(h1, null);
2496	>	checkCompletedNormally(h2, null);
2497	>	checkCompletedNormally(h3, null);
2498	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2499	>	}}
2500
2501		/**
2502	<	* thenCombineAsync result completes exceptionally after exceptional
2502	>	* acceptEither result completes exceptionally after exceptional
2503		* completion of either source
2504		*/
2505	<	public void testThenCombineAsync2E() {
2506	<	CompletableFuture<Integer> f, g, h;
2507	<	ThreadExecutor e = new ThreadExecutor();
2508	<	int count = 0;
2509	<
2510	<	f = new CompletableFuture<>();
2511	<	g = new CompletableFuture<>();
2512	<	h = f.thenCombineAsync(g, subtract, e);
2513	<	f.completeExceptionally(new CFException());
2457	<	checkIncomplete(h);
2458	<	g.complete(1);
2459	<	checkCompletedWithWrappedCFException(h);
2460	<
2461	<	f = new CompletableFuture<>();
2462	<	g = new CompletableFuture<>();
2463	<	h = f.thenCombineAsync(g, subtract, e);
2464	<	g.completeExceptionally(new CFException());
2465	<	checkIncomplete(h);
2466	<	f.complete(3);
2467	<	checkCompletedWithWrappedCFException(h);
2468	<
2469	<	f = new CompletableFuture<>();
2470	<	g = new CompletableFuture<>();
2471	<	g.completeExceptionally(new CFException());
2472	<	h = f.thenCombineAsync(g, subtract, e);
2473	<	checkIncomplete(h);
2474	<	f.complete(3);
2475	<	checkCompletedWithWrappedCFException(h);
2505	>	public void testAcceptEither_exceptionalCompletion() {
2506	>	for (ExecutionMode m : ExecutionMode.values())
2507	>	for (Integer v1 : new Integer[] { 1, null })
2508	>	{
2509	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2510	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2511	>	final CFException ex = new CFException();
2512	>	final NoopConsumer[] rs = new NoopConsumer[6];
2513	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2514
2515	<	assertEquals(0, e.count.get());
2516	<	}
2515	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2516	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2517	>	checkIncomplete(h0);
2518	>	checkIncomplete(h1);
2519	>	rs[0].assertNotInvoked();
2520	>	rs[1].assertNotInvoked();
2521	>	f.completeExceptionally(ex);
2522	>	checkCompletedWithWrappedException(h0, ex);
2523	>	checkCompletedWithWrappedException(h1, ex);
2524	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2525	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2526	>	checkCompletedWithWrappedException(h2, ex);
2527	>	checkCompletedWithWrappedException(h3, ex);
2528
2529	<	/**
2481	<	* thenCombineAsync result completes exceptionally if action does
2482	<	*/
2483	<	public void testThenCombineAsync3E() {
2484	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2485	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2486	<	FailingBiFunction r = new FailingBiFunction();
2487	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2488	<	f.complete(one);
2489	<	checkIncomplete(g);
2490	<	assertFalse(r.ran);
2491	<	f2.complete(two);
2492	<	checkCompletedWithWrappedCFException(g);
2493	<	assertTrue(r.ran);
2494	<	}
2529	>	g.complete(v1);
2530
2531	<	/**
2532	<	* thenCombineAsync result completes exceptionally if either source cancelled
2533	<	*/
2534	<	public void testThenCombineAsync4E() {
2535	<	CompletableFuture<Integer> f, g, h;
2536	<	ThreadExecutor e = new ThreadExecutor();
2531	>	// unspecified behavior - both source completions available
2532	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2533	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2534	>	try {
2535	>	assertNull(h4.join());
2536	>	rs[4].assertValue(v1);
2537	>	} catch (CompletionException ok) {
2538	>	checkCompletedWithWrappedException(h4, ex);
2539	>	rs[4].assertNotInvoked();
2540	>	}
2541	>	try {
2542	>	assertNull(h5.join());
2543	>	rs[5].assertValue(v1);
2544	>	} catch (CompletionException ok) {
2545	>	checkCompletedWithWrappedException(h5, ex);
2546	>	rs[5].assertNotInvoked();
2547	>	}
2548
2549	<	f = new CompletableFuture<>();
2550	<	g = new CompletableFuture<>();
2551	<	h = f.thenCombineAsync(g, subtract, e);
2552	<	assertTrue(f.cancel(true));
2553	<	checkIncomplete(h);
2554	<	g.complete(1);
2555	<	checkCompletedWithWrappedCancellationException(h);
2549	>	checkCompletedExceptionally(f, ex);
2550	>	checkCompletedNormally(g, v1);
2551	>	checkCompletedWithWrappedException(h0, ex);
2552	>	checkCompletedWithWrappedException(h1, ex);
2553	>	checkCompletedWithWrappedException(h2, ex);
2554	>	checkCompletedWithWrappedException(h3, ex);
2555	>	checkCompletedWithWrappedException(h4, ex);
2556	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2557	>	}}
2558
2559	<	f = new CompletableFuture<>();
2560	<	g = new CompletableFuture<>();
2561	<	h = f.thenCombineAsync(g, subtract, e);
2562	<	assertTrue(g.cancel(true));
2563	<	checkIncomplete(h);
2564	<	f.complete(3);
2565	<	checkCompletedWithWrappedCancellationException(h);
2559	>	public void testAcceptEither_exceptionalCompletion2() {
2560	>	for (ExecutionMode m : ExecutionMode.values())
2561	>	for (boolean fFirst : new boolean[] { true, false })
2562	>	for (Integer v1 : new Integer[] { 1, null })
2563	>	{
2564	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2565	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2566	>	final CFException ex = new CFException();
2567	>	final NoopConsumer[] rs = new NoopConsumer[6];
2568	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2569
2570	<	f = new CompletableFuture<>();
2571	<	g = new CompletableFuture<>();
2572	<	assertTrue(g.cancel(true));
2573	<	h = f.thenCombineAsync(g, subtract, e);
2574	<	checkIncomplete(h);
2575	<	f.complete(3);
2525	<	checkCompletedWithWrappedCancellationException(h);
2570	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2571	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2572	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2573	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2574	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2575	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2576
2577	<	f = new CompletableFuture<>();
2578	<	g = new CompletableFuture<>();
2579	<	assertTrue(f.cancel(true));
2580	<	assertTrue(g.cancel(true));
2581	<	h = f.thenCombineAsync(g, subtract, e);
2582	<	checkCompletedWithWrappedCancellationException(h);
2577	>	// unspecified behavior - both source completions available
2578	>	try {
2579	>	assertNull(h0.join());
2580	>	rs[0].assertValue(v1);
2581	>	} catch (CompletionException ok) {
2582	>	checkCompletedWithWrappedException(h0, ex);
2583	>	rs[0].assertNotInvoked();
2584	>	}
2585	>	try {
2586	>	assertNull(h1.join());
2587	>	rs[1].assertValue(v1);
2588	>	} catch (CompletionException ok) {
2589	>	checkCompletedWithWrappedException(h1, ex);
2590	>	rs[1].assertNotInvoked();
2591	>	}
2592	>	try {
2593	>	assertNull(h2.join());
2594	>	rs[2].assertValue(v1);
2595	>	} catch (CompletionException ok) {
2596	>	checkCompletedWithWrappedException(h2, ex);
2597	>	rs[2].assertNotInvoked();
2598	>	}
2599	>	try {
2600	>	assertNull(h3.join());
2601	>	rs[3].assertValue(v1);
2602	>	} catch (CompletionException ok) {
2603	>	checkCompletedWithWrappedException(h3, ex);
2604	>	rs[3].assertNotInvoked();
2605	>	}
2606
2607	<	assertEquals(0, e.count.get());
2608	<	}
2607	>	checkCompletedNormally(f, v1);
2608	>	checkCompletedExceptionally(g, ex);
2609	>	}}
2610
2611		/**
2612	<	* thenAcceptBothAsync result completes normally after normal
2539	<	* completion of sources
2612	>	* acceptEither result completes exceptionally if either source cancelled
2613		*/
2614	<	public void testThenAcceptBothAsyncE() {
2615	<	CompletableFuture<Integer> f, g;
2616	<	CompletableFuture<Void> h;
2617	<	SubtractAction r;
2618	<	ThreadExecutor e = new ThreadExecutor();
2614	>	public void testAcceptEither_sourceCancelled() {
2615	>	for (ExecutionMode m : ExecutionMode.values())
2616	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2617	>	for (Integer v1 : new Integer[] { 1, null })
2618	>	{
2619	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2620	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2621	>	final NoopConsumer[] rs = new NoopConsumer[6];
2622	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2623
2624	<	f = new CompletableFuture<>();
2625	<	g = new CompletableFuture<>();
2626	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2627	<	f.complete(3);
2628	<	checkIncomplete(h);
2629	<	g.complete(1);
2630	<	checkCompletedNormally(h, null);
2631	<	assertEquals(r.value, 2);
2624	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2625	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2626	>	checkIncomplete(h0);
2627	>	checkIncomplete(h1);
2628	>	rs[0].assertNotInvoked();
2629	>	rs[1].assertNotInvoked();
2630	>	f.cancel(mayInterruptIfRunning);
2631	>	checkCompletedWithWrappedCancellationException(h0);
2632	>	checkCompletedWithWrappedCancellationException(h1);
2633	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2634	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2635	>	checkCompletedWithWrappedCancellationException(h2);
2636	>	checkCompletedWithWrappedCancellationException(h3);
2637
2638	<	f = new CompletableFuture<>();
2557	<	g = new CompletableFuture<>();
2558	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2559	<	g.complete(1);
2560	<	checkIncomplete(h);
2561	<	f.complete(3);
2562	<	checkCompletedNormally(h, null);
2563	<	assertEquals(r.value, 2);
2638	>	g.complete(v1);
2639
2640	<	f = new CompletableFuture<>();
2641	<	g = new CompletableFuture<>();
2642	<	g.complete(1);
2643	<	f.complete(3);
2644	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2645	<	checkCompletedNormally(h, null);
2646	<	assertEquals(r.value, 2);
2640	>	// unspecified behavior - both source completions available
2641	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2642	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2643	>	try {
2644	>	assertNull(h4.join());
2645	>	rs[4].assertValue(v1);
2646	>	} catch (CompletionException ok) {
2647	>	checkCompletedWithWrappedCancellationException(h4);
2648	>	rs[4].assertNotInvoked();
2649	>	}
2650	>	try {
2651	>	assertNull(h5.join());
2652	>	rs[5].assertValue(v1);
2653	>	} catch (CompletionException ok) {
2654	>	checkCompletedWithWrappedCancellationException(h5);
2655	>	rs[5].assertNotInvoked();
2656	>	}
2657
2658	<	assertEquals(3, e.count.get());
2659	<	}
2658	>	checkCancelled(f);
2659	>	checkCompletedNormally(g, v1);
2660	>	checkCompletedWithWrappedCancellationException(h0);
2661	>	checkCompletedWithWrappedCancellationException(h1);
2662	>	checkCompletedWithWrappedCancellationException(h2);
2663	>	checkCompletedWithWrappedCancellationException(h3);
2664	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2665	>	}}
2666
2667		/**
2668	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2578	<	* completion of source
2668	>	* acceptEither result completes exceptionally if action does
2669		*/
2670	<	public void testThenAcceptBothAsync2E() {
2671	<	CompletableFuture<Integer> f, g;
2672	<	CompletableFuture<Void> h;
2673	<	SubtractAction r;
2674	<	ThreadExecutor e = new ThreadExecutor();
2675	<
2676	<	f = new CompletableFuture<>();
2677	<	g = new CompletableFuture<>();
2678	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2589	<	f.completeExceptionally(new CFException());
2590	<	checkIncomplete(h);
2591	<	g.complete(1);
2592	<	checkCompletedWithWrappedCFException(h);
2593	<
2594	<	f = new CompletableFuture<>();
2595	<	g = new CompletableFuture<>();
2596	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2597	<	g.completeExceptionally(new CFException());
2598	<	checkIncomplete(h);
2599	<	f.complete(3);
2600	<	checkCompletedWithWrappedCFException(h);
2601	<
2602	<	f = new CompletableFuture<>();
2603	<	g = new CompletableFuture<>();
2604	<	f.complete(3);
2605	<	g.completeExceptionally(new CFException());
2606	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2607	<	checkCompletedWithWrappedCFException(h);
2608	<
2609	<	f = new CompletableFuture<>();
2610	<	g = new CompletableFuture<>();
2611	<	f.completeExceptionally(new CFException());
2612	<	g.complete(3);
2613	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2614	<	checkCompletedWithWrappedCFException(h);
2615	<
2616	<	assertEquals(0, e.count.get());
2617	<	}
2670	>	public void testAcceptEither_actionFailed() {
2671	>	for (ExecutionMode m : ExecutionMode.values())
2672	>	for (Integer v1 : new Integer[] { 1, null })
2673	>	for (Integer v2 : new Integer[] { 2, null })
2674	>	{
2675	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2676	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2677	>	final FailingConsumer[] rs = new FailingConsumer[6];
2678	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2679
2680	<	/**
2681	<	* thenAcceptBothAsync result completes exceptionally if action does
2682	<	*/
2683	<	public void testThenAcceptBothAsync3E() {
2684	<	CompletableFuture<Integer> f, g;
2685	<	CompletableFuture<Void> h;
2686	<	FailingBiConsumer r;
2687	<	ThreadExecutor e = new ThreadExecutor();
2680	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2681	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2682	>	f.complete(v1);
2683	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2684	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2685	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2686	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2687	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2688	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2689	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2690
2691	<	f = new CompletableFuture<>();
2629	<	g = new CompletableFuture<>();
2630	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2631	<	f.complete(3);
2632	<	checkIncomplete(h);
2633	<	g.complete(1);
2634	<	checkCompletedWithWrappedCFException(h);
2691	>	g.complete(v2);
2692
2693	<	f = new CompletableFuture<>();
2694	<	g = new CompletableFuture<>();
2695	<	f.complete(3);
2696	<	g.complete(1);
2697	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2698	<	checkCompletedWithWrappedCFException(h);
2693	>	// unspecified behavior - both source completions available
2694	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2695	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2696	>
2697	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2698	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2699	>	Objects.equals(v2, rs[4].value));
2700	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2701	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2702	>	Objects.equals(v2, rs[5].value));
2703
2704	<	assertEquals(2, e.count.get());
2705	<	}
2704	>	checkCompletedNormally(f, v1);
2705	>	checkCompletedNormally(g, v2);
2706	>	}}
2707
2708		/**
2709	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2709	>	* runAfterEither result completes normally after normal completion
2710	>	* of either source
2711		*/
2712	<	public void testThenAcceptBothAsync4E() {
2713	<	CompletableFuture<Integer> f, g;
2714	<	CompletableFuture<Void> h;
2715	<	SubtractAction r;
2716	<	ThreadExecutor e = new ThreadExecutor();
2712	>	public void testRunAfterEither_normalCompletion() {
2713	>	for (ExecutionMode m : ExecutionMode.values())
2714	>	for (Integer v1 : new Integer[] { 1, null })
2715	>	for (Integer v2 : new Integer[] { 2, null })
2716	>	for (boolean pushNop : new boolean[] { true, false })
2717	>	{
2718	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2719	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2720	>	final Noop[] rs = new Noop[6];
2721	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2722
2723	<	f = new CompletableFuture<>();
2724	<	g = new CompletableFuture<>();
2725	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2726	<	assertTrue(f.cancel(true));
2727	<	checkIncomplete(h);
2728	<	g.complete(1);
2729	<	checkCompletedWithWrappedCancellationException(h);
2723	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2724	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2725	>	checkIncomplete(h0);
2726	>	checkIncomplete(h1);
2727	>	rs[0].assertNotInvoked();
2728	>	rs[1].assertNotInvoked();
2729	>	if (pushNop) {          // ad hoc test of intra-completion interference
2730	>	m.thenRun(f, () -> {});
2731	>	m.thenRun(g, () -> {});
2732	>	}
2733	>	f.complete(v1);
2734	>	checkCompletedNormally(h0, null);
2735	>	checkCompletedNormally(h1, null);
2736	>	rs[0].assertInvoked();
2737	>	rs[1].assertInvoked();
2738	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2739	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2740	>	checkCompletedNormally(h2, null);
2741	>	checkCompletedNormally(h3, null);
2742	>	rs[2].assertInvoked();
2743	>	rs[3].assertInvoked();
2744
2745	<	f = new CompletableFuture<>();
2664	<	g = new CompletableFuture<>();
2665	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2666	<	assertTrue(g.cancel(true));
2667	<	checkIncomplete(h);
2668	<	f.complete(3);
2669	<	checkCompletedWithWrappedCancellationException(h);
2745	>	g.complete(v2);
2746
2747	<	f = new CompletableFuture<>();
2748	<	g = new CompletableFuture<>();
2673	<	f.complete(3);
2674	<	assertTrue(g.cancel(true));
2675	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2676	<	checkCompletedWithWrappedCancellationException(h);
2747	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2748	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2749
2750	<	f = new CompletableFuture<>();
2751	<	g = new CompletableFuture<>();
2752	<	assertTrue(f.cancel(true));
2753	<	g.complete(3);
2754	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2755	<	checkCompletedWithWrappedCancellationException(h);
2756	<
2757	<	assertEquals(0, e.count.get());
2758	<	}
2750	>	checkCompletedNormally(f, v1);
2751	>	checkCompletedNormally(g, v2);
2752	>	checkCompletedNormally(h0, null);
2753	>	checkCompletedNormally(h1, null);
2754	>	checkCompletedNormally(h2, null);
2755	>	checkCompletedNormally(h3, null);
2756	>	checkCompletedNormally(h4, null);
2757	>	checkCompletedNormally(h5, null);
2758	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2759	>	}}
2760
2761		/**
2762	<	* applyToEitherAsync result completes normally after normal
2763	<	* completion of sources
2762	>	* runAfterEither result completes exceptionally after exceptional
2763	>	* completion of either source
2764		*/
2765	<	public void testApplyToEitherAsyncE() {
2766	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2767	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2768	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2769	<	f.complete(one);
2770	<	checkCompletedNormally(g, two);
2765	>	public void testRunAfterEither_exceptionalCompletion() {
2766	>	for (ExecutionMode m : ExecutionMode.values())
2767	>	for (Integer v1 : new Integer[] { 1, null })
2768	>	{
2769	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2770	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2771	>	final CFException ex = new CFException();
2772	>	final Noop[] rs = new Noop[6];
2773	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2774
2775	<	f = new CompletableFuture<>();
2776	<	f.complete(one);
2777	<	f2 = new CompletableFuture<>();
2778	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2779	<	checkCompletedNormally(g, two);
2780	<	}
2775	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2776	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2777	>	checkIncomplete(h0);
2778	>	checkIncomplete(h1);
2779	>	rs[0].assertNotInvoked();
2780	>	rs[1].assertNotInvoked();
2781	>	assertTrue(f.completeExceptionally(ex));
2782	>	checkCompletedWithWrappedException(h0, ex);
2783	>	checkCompletedWithWrappedException(h1, ex);
2784	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2785	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2786	>	checkCompletedWithWrappedException(h2, ex);
2787	>	checkCompletedWithWrappedException(h3, ex);
2788	>
2789	>	assertTrue(g.complete(v1));
2790	>
2791	>	// unspecified behavior - both source completions available
2792	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2793	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2794	>	try {
2795	>	assertNull(h4.join());
2796	>	rs[4].assertInvoked();
2797	>	} catch (CompletionException ok) {
2798	>	checkCompletedWithWrappedException(h4, ex);
2799	>	rs[4].assertNotInvoked();
2800	>	}
2801	>	try {
2802	>	assertNull(h5.join());
2803	>	rs[5].assertInvoked();
2804	>	} catch (CompletionException ok) {
2805	>	checkCompletedWithWrappedException(h5, ex);
2806	>	rs[5].assertNotInvoked();
2807	>	}
2808
2809	<	/**
2810	<	* applyToEitherAsync result completes exceptionally after exceptional
2811	<	* completion of source
2812	<	*/
2813	<	public void testApplyToEitherAsync2E() {
2814	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2815	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2816	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2817	<	f.completeExceptionally(new CFException());
2715	<	checkCompletedWithWrappedCFException(g);
2809	>	checkCompletedExceptionally(f, ex);
2810	>	checkCompletedNormally(g, v1);
2811	>	checkCompletedWithWrappedException(h0, ex);
2812	>	checkCompletedWithWrappedException(h1, ex);
2813	>	checkCompletedWithWrappedException(h2, ex);
2814	>	checkCompletedWithWrappedException(h3, ex);
2815	>	checkCompletedWithWrappedException(h4, ex);
2816	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2817	>	}}
2818
2819	<	f = new CompletableFuture<>();
2820	<	f2 = new CompletableFuture<>();
2821	<	f2.completeExceptionally(new CFException());
2822	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2823	<	f.complete(one);
2824	<	checkCompletedWithWrappedCFException(g);
2825	<	}
2819	>	public void testRunAfterEither_exceptionalCompletion2() {
2820	>	for (ExecutionMode m : ExecutionMode.values())
2821	>	for (boolean fFirst : new boolean[] { true, false })
2822	>	for (Integer v1 : new Integer[] { 1, null })
2823	>	{
2824	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2825	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2826	>	final CFException ex = new CFException();
2827	>	final Noop[] rs = new Noop[6];
2828	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2829
2830	<	/**
2831	<	* applyToEitherAsync result completes exceptionally if action does
2832	<	*/
2833	<	public void testApplyToEitherAsync3E() {
2834	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2835	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2731	<	FailingFunction r = new FailingFunction();
2732	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2733	<	f.complete(one);
2734	<	checkCompletedWithWrappedCFException(g);
2735	<	}
2830	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2831	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2832	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2833	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2834	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2835	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2836
2837	<	/**
2838	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2839	<	*/
2840	<	public void testApplyToEitherAsync4E() {
2841	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2842	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2843	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2844	<	assertTrue(f.cancel(true));
2845	<	checkCompletedWithWrappedCancellationException(g);
2837	>	// unspecified behavior - both source completions available
2838	>	try {
2839	>	assertNull(h0.join());
2840	>	rs[0].assertInvoked();
2841	>	} catch (CompletionException ok) {
2842	>	checkCompletedWithWrappedException(h0, ex);
2843	>	rs[0].assertNotInvoked();
2844	>	}
2845	>	try {
2846	>	assertNull(h1.join());
2847	>	rs[1].assertInvoked();
2848	>	} catch (CompletionException ok) {
2849	>	checkCompletedWithWrappedException(h1, ex);
2850	>	rs[1].assertNotInvoked();
2851	>	}
2852	>	try {
2853	>	assertNull(h2.join());
2854	>	rs[2].assertInvoked();
2855	>	} catch (CompletionException ok) {
2856	>	checkCompletedWithWrappedException(h2, ex);
2857	>	rs[2].assertNotInvoked();
2858	>	}
2859	>	try {
2860	>	assertNull(h3.join());
2861	>	rs[3].assertInvoked();
2862	>	} catch (CompletionException ok) {
2863	>	checkCompletedWithWrappedException(h3, ex);
2864	>	rs[3].assertNotInvoked();
2865	>	}
2866
2867	<	f = new CompletableFuture<>();
2868	<	f2 = new CompletableFuture<>();
2869	<	assertTrue(f2.cancel(true));
2750	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2751	<	checkCompletedWithWrappedCancellationException(g);
2752	<	}
2867	>	checkCompletedNormally(f, v1);
2868	>	checkCompletedExceptionally(g, ex);
2869	>	}}
2870
2871		/**
2872	<	* acceptEitherAsync result completes normally after normal
2756	<	* completion of sources
2872	>	* runAfterEither result completes exceptionally if either source cancelled
2873		*/
2874	<	public void testAcceptEitherAsyncE() {
2875	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2876	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2877	<	IncAction r = new IncAction();
2878	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2879	<	f.complete(one);
2880	<	checkCompletedNormally(g, null);
2881	<	assertEquals(r.value, 2);
2882	<
2767	<	r = new IncAction();
2768	<	f = new CompletableFuture<>();
2769	<	f.complete(one);
2770	<	f2 = new CompletableFuture<>();
2771	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2772	<	checkCompletedNormally(g, null);
2773	<	assertEquals(r.value, 2);
2774	<	}
2874	>	public void testRunAfterEither_sourceCancelled() {
2875	>	for (ExecutionMode m : ExecutionMode.values())
2876	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2877	>	for (Integer v1 : new Integer[] { 1, null })
2878	>	{
2879	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2880	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2881	>	final Noop[] rs = new Noop[6];
2882	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2883
2884	<	/**
2885	<	* acceptEitherAsync result completes exceptionally after exceptional
2886	<	* completion of source
2887	<	*/
2888	<	public void testAcceptEitherAsync2E() {
2889	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2890	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2891	<	IncAction r = new IncAction();
2892	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2893	<	f.completeExceptionally(new CFException());
2894	<	checkCompletedWithWrappedCFException(g);
2884	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2885	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2886	>	checkIncomplete(h0);
2887	>	checkIncomplete(h1);
2888	>	rs[0].assertNotInvoked();
2889	>	rs[1].assertNotInvoked();
2890	>	f.cancel(mayInterruptIfRunning);
2891	>	checkCompletedWithWrappedCancellationException(h0);
2892	>	checkCompletedWithWrappedCancellationException(h1);
2893	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2894	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2895	>	checkCompletedWithWrappedCancellationException(h2);
2896	>	checkCompletedWithWrappedCancellationException(h3);
2897	>
2898	>	assertTrue(g.complete(v1));
2899	>
2900	>	// unspecified behavior - both source completions available
2901	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2902	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2903	>	try {
2904	>	assertNull(h4.join());
2905	>	rs[4].assertInvoked();
2906	>	} catch (CompletionException ok) {
2907	>	checkCompletedWithWrappedCancellationException(h4);
2908	>	rs[4].assertNotInvoked();
2909	>	}
2910	>	try {
2911	>	assertNull(h5.join());
2912	>	rs[5].assertInvoked();
2913	>	} catch (CompletionException ok) {
2914	>	checkCompletedWithWrappedCancellationException(h5);
2915	>	rs[5].assertNotInvoked();
2916	>	}
2917
2918	<	r = new IncAction();
2919	<	f = new CompletableFuture<>();
2920	<	f2 = new CompletableFuture<>();
2921	<	f2.completeExceptionally(new CFException());
2922	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2923	<	f.complete(one);
2924	<	checkCompletedWithWrappedCFException(g);
2925	<	}
2918	>	checkCancelled(f);
2919	>	checkCompletedNormally(g, v1);
2920	>	checkCompletedWithWrappedCancellationException(h0);
2921	>	checkCompletedWithWrappedCancellationException(h1);
2922	>	checkCompletedWithWrappedCancellationException(h2);
2923	>	checkCompletedWithWrappedCancellationException(h3);
2924	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2925	>	}}
2926
2927		/**
2928	<	* acceptEitherAsync result completes exceptionally if action does
2928	>	* runAfterEither result completes exceptionally if action does
2929		*/
2930	<	public void testAcceptEitherAsync3E() {
2931	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2932	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2933	<	FailingConsumer r = new FailingConsumer();
2934	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2935	<	f.complete(one);
2936	<	checkCompletedWithWrappedCFException(g);
2937	<	}
2930	>	public void testRunAfterEither_actionFailed() {
2931	>	for (ExecutionMode m : ExecutionMode.values())
2932	>	for (Integer v1 : new Integer[] { 1, null })
2933	>	for (Integer v2 : new Integer[] { 2, null })
2934	>	{
2935	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2936	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2937	>	final FailingRunnable[] rs = new FailingRunnable[6];
2938	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2939
2940	<	/**
2941	<	* acceptEitherAsync result completes exceptionally if either
2942	<	* source cancelled
2943	<	*/
2944	<	public void testAcceptEitherAsync4E() {
2945	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2946	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2947	<	IncAction r = new IncAction();
2948	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2949	<	assertTrue(f.cancel(true));
2950	<	checkCompletedWithWrappedCancellationException(g);
2940	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2941	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2942	>	assertTrue(f.complete(v1));
2943	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2944	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2945	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2946	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2947	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2948	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2949	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2950	>	assertTrue(g.complete(v2));
2951	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2952	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2953	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2954	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2955
2956	<	r = new IncAction();
2957	<	f = new CompletableFuture<>();
2958	<	f2 = new CompletableFuture<>();
2959	<	assertTrue(f2.cancel(true));
2825	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2826	<	checkCompletedWithWrappedCancellationException(g);
2827	<	}
2956	>	checkCompletedNormally(f, v1);
2957	>	checkCompletedNormally(g, v2);
2958	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2959	>	}}
2960
2961		/**
2962	<	* runAfterEitherAsync result completes normally after normal
2831	<	* completion of sources
2962	>	* thenCompose result completes normally after normal completion of source
2963		*/
2964	<	public void testRunAfterEitherAsyncE() {
2965	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2966	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2967	<	Noop r = new Noop();
2968	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2969	<	f.complete(one);
2970	<	checkCompletedNormally(g, null);
2971	<	assertTrue(r.ran);
2964	>	public void testThenCompose_normalCompletion() {
2965	>	for (ExecutionMode m : ExecutionMode.values())
2966	>	for (boolean createIncomplete : new boolean[] { true, false })
2967	>	for (Integer v1 : new Integer[] { 1, null })
2968	>	{
2969	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2970	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2971	>	if (!createIncomplete) assertTrue(f.complete(v1));
2972	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2973	>	if (createIncomplete) assertTrue(f.complete(v1));
2974
2975	<	r = new Noop();
2976	<	f = new CompletableFuture<>();
2977	<	f.complete(one);
2978	<	f2 = new CompletableFuture<>();
2846	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2847	<	checkCompletedNormally(g, null);
2848	<	assertTrue(r.ran);
2849	<	}
2975	>	checkCompletedNormally(g, inc(v1));
2976	>	checkCompletedNormally(f, v1);
2977	>	r.assertValue(v1);
2978	>	}}
2979
2980		/**
2981	<	* runAfterEitherAsync result completes exceptionally after exceptional
2981	>	* thenCompose result completes exceptionally after exceptional
2982		* completion of source
2983		*/
2984	<	public void testRunAfterEitherAsync2E() {
2985	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2986	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2987	<	Noop r = new Noop();
2988	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2989	<	f.completeExceptionally(new CFException());
2990	<	checkCompletedWithWrappedCFException(g);
2991	<
2992	<	r = new Noop();
2993	<	f = new CompletableFuture<>();
2994	<	f2 = new CompletableFuture<>();
2995	<	f2.completeExceptionally(new CFException());
2996	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2997	<	f.complete(one);
2998	<	checkCompletedWithWrappedCFException(g);
2870	<	}
2871	<
2872	<	/**
2873	<	* runAfterEitherAsync result completes exceptionally if action does
2874	<	*/
2875	<	public void testRunAfterEitherAsync3E() {
2876	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2877	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2878	<	FailingNoop r = new FailingNoop();
2879	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2880	<	f.complete(one);
2881	<	checkCompletedWithWrappedCFException(g);
2882	<	}
2984	>	public void testThenCompose_exceptionalCompletion() {
2985	>	for (ExecutionMode m : ExecutionMode.values())
2986	>	for (boolean createIncomplete : new boolean[] { true, false })
2987	>	{
2988	>	final CFException ex = new CFException();
2989	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2990	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2991	>	if (!createIncomplete) f.completeExceptionally(ex);
2992	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2993	>	if (createIncomplete) f.completeExceptionally(ex);
2994	>
2995	>	checkCompletedWithWrappedException(g, ex);
2996	>	checkCompletedExceptionally(f, ex);
2997	>	r.assertNotInvoked();
2998	>	}}
2999
3000		/**
3001	<	* runAfterEitherAsync result completes exceptionally if either
2886	<	* source cancelled
3001	>	* thenCompose result completes exceptionally if action does
3002		*/
3003	<	public void testRunAfterEitherAsync4E() {
3004	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3005	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3006	<	Noop r = new Noop();
3007	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3008	<	assertTrue(f.cancel(true));
3009	<	checkCompletedWithWrappedCancellationException(g);
3003	>	public void testThenCompose_actionFailed() {
3004	>	for (ExecutionMode m : ExecutionMode.values())
3005	>	for (boolean createIncomplete : new boolean[] { true, false })
3006	>	for (Integer v1 : new Integer[] { 1, null })
3007	>	{
3008	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3009	>	final FailingCompletableFutureFunction r
3010	>	= new FailingCompletableFutureFunction(m);
3011	>	if (!createIncomplete) assertTrue(f.complete(v1));
3012	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3013	>	if (createIncomplete) assertTrue(f.complete(v1));
3014
3015	<	r = new Noop();
3016	<	f = new CompletableFuture<>();
3017	<	f2 = new CompletableFuture<>();
2899	<	assertTrue(f2.cancel(true));
2900	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2901	<	checkCompletedWithWrappedCancellationException(g);
2902	<	}
3015	>	checkCompletedWithWrappedException(g, r.ex);
3016	>	checkCompletedNormally(f, v1);
3017	>	}}
3018
3019		/**
3020	<	* thenComposeAsync result completes normally after normal
2906	<	* completion of source
3020	>	* thenCompose result completes exceptionally if source cancelled
3021		*/
3022	<	public void testThenComposeAsyncE() {
3023	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3024	<	CompletableFutureInc r = new CompletableFutureInc();
3025	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3026	<	f.complete(one);
3027	<	checkCompletedNormally(g, two);
3028	<	}
3022	>	public void testThenCompose_sourceCancelled() {
3023	>	for (ExecutionMode m : ExecutionMode.values())
3024	>	for (boolean createIncomplete : new boolean[] { true, false })
3025	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3026	>	{
3027	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3028	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3029	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3030	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3031	>	if (createIncomplete) {
3032	>	checkIncomplete(g);
3033	>	assertTrue(f.cancel(mayInterruptIfRunning));
3034	>	}
3035
3036	<	/**
3037	<	* thenComposeAsync result completes exceptionally after
3038	<	* exceptional completion of source
2919	<	*/
2920	<	public void testThenComposeAsync2E() {
2921	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2922	<	CompletableFutureInc r = new CompletableFutureInc();
2923	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2924	<	f.completeExceptionally(new CFException());
2925	<	checkCompletedWithWrappedCFException(g);
2926	<	}
3036	>	checkCompletedWithWrappedCancellationException(g);
3037	>	checkCancelled(f);
3038	>	}}
3039
3040		/**
3041	<	* thenComposeAsync result completes exceptionally if action does
3041	>	* thenCompose result completes exceptionally if the result of the action does
3042		*/
3043	<	public void testThenComposeAsync3E() {
3044	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3045	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3046	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3047	<	f.complete(one);
3048	<	checkCompletedWithWrappedCFException(g);
3049	<	}
3043	>	public void testThenCompose_actionReturnsFailingFuture() {
3044	>	for (ExecutionMode m : ExecutionMode.values())
3045	>	for (int order = 0; order < 6; order++)
3046	>	for (Integer v1 : new Integer[] { 1, null })
3047	>	{
3048	>	final CFException ex = new CFException();
3049	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3050	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3051	>	final CompletableFuture<Integer> h;
3052	>	// Test all permutations of orders
3053	>	switch (order) {
3054	>	case 0:
3055	>	assertTrue(f.complete(v1));
3056	>	assertTrue(g.completeExceptionally(ex));
3057	>	h = m.thenCompose(f, (x -> g));
3058	>	break;
3059	>	case 1:
3060	>	assertTrue(f.complete(v1));
3061	>	h = m.thenCompose(f, (x -> g));
3062	>	assertTrue(g.completeExceptionally(ex));
3063	>	break;
3064	>	case 2:
3065	>	assertTrue(g.completeExceptionally(ex));
3066	>	assertTrue(f.complete(v1));
3067	>	h = m.thenCompose(f, (x -> g));
3068	>	break;
3069	>	case 3:
3070	>	assertTrue(g.completeExceptionally(ex));
3071	>	h = m.thenCompose(f, (x -> g));
3072	>	assertTrue(f.complete(v1));
3073	>	break;
3074	>	case 4:
3075	>	h = m.thenCompose(f, (x -> g));
3076	>	assertTrue(f.complete(v1));
3077	>	assertTrue(g.completeExceptionally(ex));
3078	>	break;
3079	>	case 5:
3080	>	h = m.thenCompose(f, (x -> g));
3081	>	assertTrue(f.complete(v1));
3082	>	assertTrue(g.completeExceptionally(ex));
3083	>	break;
3084	>	default: throw new AssertionError();
3085	>	}
3086
3087	<	/**
3088	<	* thenComposeAsync result completes exceptionally if source cancelled
3089	<	*/
3090	<	public void testThenComposeAsync4E() {
2943	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2944	<	CompletableFutureInc r = new CompletableFutureInc();
2945	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2946	<	assertTrue(f.cancel(true));
2947	<	checkCompletedWithWrappedCancellationException(g);
2948	<	}
3087	>	checkCompletedExceptionally(g, ex);
3088	>	checkCompletedWithWrappedException(h, ex);
3089	>	checkCompletedNormally(f, v1);
3090	>	}}
3091
3092		// other static methods
3093
#	Line 2963 | Line 3105 | public class CompletableFutureTest exten
3105		* when all components complete normally
3106		*/
3107		public void testAllOf_normal() throws Exception {
3108	<	for (int k = 1; k < 20; ++k) {
3109	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3110	<	for (int i = 0; i < k; ++i)
3108	>	for (int k = 1; k < 10; k++) {
3109	>	CompletableFuture<Integer>[] fs
3110	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3111	>	for (int i = 0; i < k; i++)
3112		fs[i] = new CompletableFuture<>();
3113		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3114	<	for (int i = 0; i < k; ++i) {
3114	>	for (int i = 0; i < k; i++) {
3115		checkIncomplete(f);
3116		checkIncomplete(CompletableFuture.allOf(fs));
3117		fs[i].complete(one);
#	Line 2978 | Line 3121 | public class CompletableFutureTest exten
3121		}
3122		}
3123
3124	+	public void testAllOf_normal_backwards() throws Exception {
3125	+	for (int k = 1; k < 10; k++) {
3126	+	CompletableFuture<Integer>[] fs
3127	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3128	+	for (int i = 0; i < k; i++)
3129	+	fs[i] = new CompletableFuture<>();
3130	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3131	+	for (int i = k - 1; i >= 0; i--) {
3132	+	checkIncomplete(f);
3133	+	checkIncomplete(CompletableFuture.allOf(fs));
3134	+	fs[i].complete(one);
3135	+	}
3136	+	checkCompletedNormally(f, null);
3137	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3138	+	}
3139	+	}
3140	+
3141	+	public void testAllOf_exceptional() throws Exception {
3142	+	for (int k = 1; k < 10; k++) {
3143	+	CompletableFuture<Integer>[] fs
3144	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3145	+	CFException ex = new CFException();
3146	+	for (int i = 0; i < k; i++)
3147	+	fs[i] = new CompletableFuture<>();
3148	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3149	+	for (int i = 0; i < k; i++) {
3150	+	checkIncomplete(f);
3151	+	checkIncomplete(CompletableFuture.allOf(fs));
3152	+	if (i != k / 2) {
3153	+	fs[i].complete(i);
3154	+	checkCompletedNormally(fs[i], i);
3155	+	} else {
3156	+	fs[i].completeExceptionally(ex);
3157	+	checkCompletedExceptionally(fs[i], ex);
3158	+	}
3159	+	}
3160	+	checkCompletedWithWrappedException(f, ex);
3161	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3162	+	}
3163	+	}
3164	+
3165		/**
3166		* anyOf(no component futures) returns an incomplete future
3167		*/
3168		public void testAnyOf_empty() throws Exception {
3169	+	for (Integer v1 : new Integer[] { 1, null })
3170	+	{
3171		CompletableFuture<Object> f = CompletableFuture.anyOf();
3172		checkIncomplete(f);
3173	<	}
3173	>
3174	>	f.complete(v1);
3175	>	checkCompletedNormally(f, v1);
3176	>	}}
3177
3178		/**
3179		* anyOf returns a future completed normally with a value when
3180		* a component future does
3181		*/
3182		public void testAnyOf_normal() throws Exception {
3183	<	for (int k = 0; k < 10; ++k) {
3183	>	for (int k = 0; k < 10; k++) {
3184		CompletableFuture[] fs = new CompletableFuture[k];
3185	<	for (int i = 0; i < k; ++i)
3185	>	for (int i = 0; i < k; i++)
3186		fs[i] = new CompletableFuture<>();
3187		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3188		checkIncomplete(f);
3189	<	for (int i = 0; i < k; ++i) {
3190	<	fs[i].complete(one);
3191	<	checkCompletedNormally(f, one);
3192	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3189	>	for (int i = 0; i < k; i++) {
3190	>	fs[i].complete(i);
3191	>	checkCompletedNormally(f, 0);
3192	>	int x = (int) CompletableFuture.anyOf(fs).join();
3193	>	assertTrue(0 <= x && x <= i);
3194	>	}
3195	>	}
3196	>	}
3197	>	public void testAnyOf_normal_backwards() throws Exception {
3198	>	for (int k = 0; k < 10; k++) {
3199	>	CompletableFuture[] fs = new CompletableFuture[k];
3200	>	for (int i = 0; i < k; i++)
3201	>	fs[i] = new CompletableFuture<>();
3202	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3203	>	checkIncomplete(f);
3204	>	for (int i = k - 1; i >= 0; i--) {
3205	>	fs[i].complete(i);
3206	>	checkCompletedNormally(f, k - 1);
3207	>	int x = (int) CompletableFuture.anyOf(fs).join();
3208	>	assertTrue(i <= x && x <= k - 1);
3209		}
3210		}
3211		}
#	Line 3009 | Line 3214 | public class CompletableFutureTest exten
3214		* anyOf result completes exceptionally when any component does.
3215		*/
3216		public void testAnyOf_exceptional() throws Exception {
3217	<	for (int k = 0; k < 10; ++k) {
3217	>	for (int k = 0; k < 10; k++) {
3218		CompletableFuture[] fs = new CompletableFuture[k];
3219	<	for (int i = 0; i < k; ++i)
3219	>	CFException[] exs = new CFException[k];
3220	>	for (int i = 0; i < k; i++) {
3221		fs[i] = new CompletableFuture<>();
3222	+	exs[i] = new CFException();
3223	+	}
3224		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3225		checkIncomplete(f);
3226	<	for (int i = 0; i < k; ++i) {
3227	<	fs[i].completeExceptionally(new CFException());
3228	<	checkCompletedWithWrappedCFException(f);
3226	>	for (int i = 0; i < k; i++) {
3227	>	fs[i].completeExceptionally(exs[i]);
3228	>	checkCompletedWithWrappedException(f, exs[0]);
3229	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3230	>	}
3231	>	}
3232	>	}
3233	>
3234	>	public void testAnyOf_exceptional_backwards() throws Exception {
3235	>	for (int k = 0; k < 10; k++) {
3236	>	CompletableFuture[] fs = new CompletableFuture[k];
3237	>	CFException[] exs = new CFException[k];
3238	>	for (int i = 0; i < k; i++) {
3239	>	fs[i] = new CompletableFuture<>();
3240	>	exs[i] = new CFException();
3241	>	}
3242	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3243	>	checkIncomplete(f);
3244	>	for (int i = k - 1; i >= 0; i--) {
3245	>	fs[i].completeExceptionally(exs[i]);
3246	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3247		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3248		}
3249		}
#	Line 3026 | Line 3252 | public class CompletableFutureTest exten
3252		/**
3253		* Completion methods throw NullPointerException with null arguments
3254		*/
3255	+	@SuppressWarnings("FutureReturnValueIgnored")
3256		public void testNPE() {
3257		CompletableFuture<Integer> f = new CompletableFuture<>();
3258		CompletableFuture<Integer> g = new CompletableFuture<>();
3259		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3033	–	CompletableFuture<?> h;
3260		ThreadExecutor exec = new ThreadExecutor();
3261
3262		Runnable[] throwingActions = {
3263		() -> CompletableFuture.supplyAsync(null),
3264		() -> CompletableFuture.supplyAsync(null, exec),
3265	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3265	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3266
3267		() -> CompletableFuture.runAsync(null),
3268		() -> CompletableFuture.runAsync(null, exec),
#	Line 3046 | Line 3272 | public class CompletableFutureTest exten
3272
3273		() -> f.thenApply(null),
3274		() -> f.thenApplyAsync(null),
3275	<	() -> f.thenApplyAsync((x) -> x, null),
3275	>	() -> f.thenApplyAsync(x -> x, null),
3276		() -> f.thenApplyAsync(null, exec),
3277
3278		() -> f.thenAccept(null),
3279		() -> f.thenAcceptAsync(null),
3280	<	() -> f.thenAcceptAsync((x) -> {} , null),
3280	>	() -> f.thenAcceptAsync(x -> {} , null),
3281		() -> f.thenAcceptAsync(null, exec),
3282
3283		() -> f.thenRun(null),
#	Line 3086 | Line 3312 | public class CompletableFutureTest exten
3312		() -> f.applyToEither(g, null),
3313		() -> f.applyToEitherAsync(g, null),
3314		() -> f.applyToEitherAsync(g, null, exec),
3315	<	() -> f.applyToEither(nullFuture, (x) -> x),
3316	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3317	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3318	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3315	>	() -> f.applyToEither(nullFuture, x -> x),
3316	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3317	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3318	>	() -> f.applyToEitherAsync(g, x -> x, null),
3319
3320		() -> f.acceptEither(g, null),
3321		() -> f.acceptEitherAsync(g, null),
3322		() -> f.acceptEitherAsync(g, null, exec),
3323	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3324	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3325	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3326	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3323	>	() -> f.acceptEither(nullFuture, x -> {}),
3324	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3325	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3326	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3327
3328		() -> f.runAfterEither(g, null),
3329		() -> f.runAfterEitherAsync(g, null),
#	Line 3109 | Line 3335 | public class CompletableFutureTest exten
3335
3336		() -> f.thenCompose(null),
3337		() -> f.thenComposeAsync(null),
3338	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3338	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3339		() -> f.thenComposeAsync(null, exec),
3340
3341		() -> f.exceptionally(null),
#	Line 3127 | Line 3353 | public class CompletableFutureTest exten
3353		() -> CompletableFuture.anyOf(null, f),
3354
3355		() -> f.obtrudeException(null),
3356	+
3357	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3358	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3359	+	() -> CompletableFuture.delayedExecutor(1L, null),
3360	+
3361	+	() -> f.orTimeout(1L, null),
3362	+	() -> f.completeOnTimeout(42, 1L, null),
3363	+
3364	+	() -> CompletableFuture.failedFuture(null),
3365	+	() -> CompletableFuture.failedStage(null),
3366		};
3367
3368		assertThrows(NullPointerException.class, throwingActions);
#	Line 3134 | Line 3370 | public class CompletableFutureTest exten
3370		}
3371
3372		/**
3373	+	* Test submissions to an executor that rejects all tasks.
3374	+	*/
3375	+	public void testRejectingExecutor() {
3376	+	for (Integer v : new Integer[] { 1, null })
3377	+	{
3378	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3379	+
3380	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3381	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3382	+
3383	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3384	+
3385	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3386	+	srcs.add(complete);
3387	+	srcs.add(incomplete);
3388	+
3389	+	for (CompletableFuture<Integer> src : srcs) {
3390	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3391	+	fs.add(src.thenRunAsync(() -> {}, e));
3392	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3393	+	fs.add(src.thenApplyAsync(z -> z, e));
3394	+
3395	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3396	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3397	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3398	+
3399	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3400	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3401	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3402	+
3403	+	fs.add(src.thenComposeAsync(z -> null, e));
3404	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3405	+	fs.add(src.handleAsync((z, t) -> null, e));
3406	+
3407	+	for (CompletableFuture<?> future : fs) {
3408	+	if (src.isDone())
3409	+	checkCompletedWithWrappedException(future, e.ex);
3410	+	else
3411	+	checkIncomplete(future);
3412	+	}
3413	+	futures.addAll(fs);
3414	+	}
3415	+
3416	+	{
3417	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3418	+
3419	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3420	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3421	+
3422	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3423	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3424	+
3425	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3426	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3427	+
3428	+	for (CompletableFuture<?> future : fs)
3429	+	checkIncomplete(future);
3430	+	futures.addAll(fs);
3431	+	}
3432	+
3433	+	{
3434	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3435	+
3436	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3437	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3438	+
3439	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3440	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3441	+
3442	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3443	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3444	+
3445	+	for (CompletableFuture<?> future : fs)
3446	+	checkCompletedWithWrappedException(future, e.ex);
3447	+	futures.addAll(fs);
3448	+	}
3449	+
3450	+	incomplete.complete(v);
3451	+
3452	+	for (CompletableFuture<?> future : futures)
3453	+	checkCompletedWithWrappedException(future, e.ex);
3454	+
3455	+	assertEquals(futures.size(), e.count.get());
3456	+	}}
3457	+
3458	+	/**
3459	+	* Test submissions to an executor that rejects all tasks, but
3460	+	* should never be invoked because the dependent future is
3461	+	* explicitly completed.
3462	+	*/
3463	+	public void testRejectingExecutorNeverInvoked() {
3464	+	for (Integer v : new Integer[] { 1, null })
3465	+	{
3466	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3467	+
3468	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3469	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3470	+
3471	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3472	+
3473	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3474	+	srcs.add(complete);
3475	+	srcs.add(incomplete);
3476	+
3477	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3478	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3479	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3480	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3481	+
3482	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3483	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3484	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3485	+
3486	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3487	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3488	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3489	+
3490	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3491	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3492	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3493	+
3494	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3495	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3496	+
3497	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3498	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3499	+
3500	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3501	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3502	+
3503	+	for (CompletableFuture<?> future : fs)
3504	+	checkIncomplete(future);
3505	+
3506	+	for (CompletableFuture<?> future : fs)
3507	+	future.complete(null);
3508	+
3509	+	incomplete.complete(v);
3510	+
3511	+	for (CompletableFuture<?> future : fs)
3512	+	checkCompletedNormally(future, null);
3513	+
3514	+	assertEquals(0, e.count.get());
3515	+	}}
3516	+
3517	+	/**
3518		* toCompletableFuture returns this CompletableFuture.
3519		*/
3520		public void testToCompletableFuture() {
#	Line 3141 | Line 3522 | public class CompletableFutureTest exten
3522		assertSame(f, f.toCompletableFuture());
3523		}
3524
3525	+	// jdk9
3526	+
3527		/**
3528	<	* whenComplete action executes on normal completion, propagating
3146	<	* source result.
3528	>	* newIncompleteFuture returns an incomplete CompletableFuture
3529		*/
3530	<	public void testWhenComplete1() {
3531	<	final AtomicInteger a = new AtomicInteger();
3530	>	public void testNewIncompleteFuture() {
3531	>	for (Integer v1 : new Integer[] { 1, null })
3532	>	{
3533		CompletableFuture<Integer> f = new CompletableFuture<>();
3534	<	CompletableFuture<Integer> g =
3535	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3536	<	f.complete(three);
3537	<	checkCompletedNormally(f, three);
3538	<	checkCompletedNormally(g, three);
3539	<	assertEquals(a.get(), 1);
3534	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3535	>	checkIncomplete(f);
3536	>	checkIncomplete(g);
3537	>	f.complete(v1);
3538	>	checkCompletedNormally(f, v1);
3539	>	checkIncomplete(g);
3540	>	g.complete(v1);
3541	>	checkCompletedNormally(g, v1);
3542	>	assertSame(g.getClass(), CompletableFuture.class);
3543	>	}}
3544	>
3545	>	/**
3546	>	* completedStage returns a completed CompletionStage
3547	>	*/
3548	>	public void testCompletedStage() {
3549	>	AtomicInteger x = new AtomicInteger(0);
3550	>	AtomicReference<Throwable> r = new AtomicReference<>();
3551	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3552	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3553	>	assertEquals(x.get(), 1);
3554	>	assertNull(r.get());
3555		}
3556
3557		/**
3558	<	* whenComplete action executes on exceptional completion, propagating
3559	<	* source result.
3558	>	* defaultExecutor by default returns the commonPool if
3559	>	* it supports more than one thread.
3560		*/
3561	<	public void testWhenComplete2() {
3164	<	final AtomicInteger a = new AtomicInteger();
3561	>	public void testDefaultExecutor() {
3562		CompletableFuture<Integer> f = new CompletableFuture<>();
3563	<	CompletableFuture<Integer> g =
3564	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3565	<	f.completeExceptionally(new CFException());
3566	<	assertTrue(f.isCompletedExceptionally());
3567	<	assertTrue(g.isCompletedExceptionally());
3568	<	assertEquals(a.get(), 1);
3563	>	Executor e = f.defaultExecutor();
3564	>	Executor c = ForkJoinPool.commonPool();
3565	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3566	>	assertSame(e, c);
3567	>	else
3568	>	assertNotSame(e, c);
3569		}
3570
3571		/**
3572	<	* If a whenComplete action throws an exception when triggered by
3573	<	* a normal completion, it completes exceptionally
3572	>	* failedFuture returns a CompletableFuture completed
3573	>	* exceptionally with the given Exception
3574	>	*/
3575	>	public void testFailedFuture() {
3576	>	CFException ex = new CFException();
3577	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3578	>	checkCompletedExceptionally(f, ex);
3579	>	}
3580	>
3581	>	/**
3582	>	* failedFuture(null) throws NPE
3583		*/
3584	<	public void testWhenComplete3() {
3584	>	public void testFailedFuture_null() {
3585	>	try {
3586	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3587	>	shouldThrow();
3588	>	} catch (NullPointerException success) {}
3589	>	}
3590	>
3591	>	/**
3592	>	* copy returns a CompletableFuture that is completed normally,
3593	>	* with the same value, when source is.
3594	>	*/
3595	>	public void testCopy_normalCompletion() {
3596	>	for (boolean createIncomplete : new boolean[] { true, false })
3597	>	for (Integer v1 : new Integer[] { 1, null })
3598	>	{
3599		CompletableFuture<Integer> f = new CompletableFuture<>();
3600	<	CompletableFuture<Integer> g =
3601	<	f.whenComplete((Integer x, Throwable t) ->
3602	<	{ throw new CFException(); } );
3603	<	f.complete(three);
3604	<	checkCompletedNormally(f, three);
3605	<	assertTrue(g.isCompletedExceptionally());
3606	<	checkCompletedWithWrappedCFException(g);
3600	>	if (!createIncomplete) assertTrue(f.complete(v1));
3601	>	CompletableFuture<Integer> g = f.copy();
3602	>	if (createIncomplete) {
3603	>	checkIncomplete(f);
3604	>	checkIncomplete(g);
3605	>	assertTrue(f.complete(v1));
3606	>	}
3607	>	checkCompletedNormally(f, v1);
3608	>	checkCompletedNormally(g, v1);
3609	>	}}
3610	>
3611	>	/**
3612	>	* copy returns a CompletableFuture that is completed exceptionally
3613	>	* when source is.
3614	>	*/
3615	>	public void testCopy_exceptionalCompletion() {
3616	>	for (boolean createIncomplete : new boolean[] { true, false })
3617	>	{
3618	>	CFException ex = new CFException();
3619	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3620	>	if (!createIncomplete) f.completeExceptionally(ex);
3621	>	CompletableFuture<Integer> g = f.copy();
3622	>	if (createIncomplete) {
3623	>	checkIncomplete(f);
3624	>	checkIncomplete(g);
3625	>	f.completeExceptionally(ex);
3626	>	}
3627	>	checkCompletedExceptionally(f, ex);
3628	>	checkCompletedWithWrappedException(g, ex);
3629	>	}}
3630	>
3631	>	/**
3632	>	* Completion of a copy does not complete its source.
3633	>	*/
3634	>	public void testCopy_oneWayPropagation() {
3635	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3636	>	assertTrue(f.copy().complete(1));
3637	>	assertTrue(f.copy().complete(null));
3638	>	assertTrue(f.copy().cancel(true));
3639	>	assertTrue(f.copy().cancel(false));
3640	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3641	>	checkIncomplete(f);
3642		}
3643
3644		/**
3645	<	* whenCompleteAsync action executes on normal completion, propagating
3646	<	* source result.
3645	>	* minimalCompletionStage returns a CompletableFuture that is
3646	>	* completed normally, with the same value, when source is.
3647		*/
3648	<	public void testWhenCompleteAsync1() {
3194	<	final AtomicInteger a = new AtomicInteger();
3648	>	public void testMinimalCompletionStage() {
3649		CompletableFuture<Integer> f = new CompletableFuture<>();
3650	<	CompletableFuture<Integer> g =
3651	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3652	<	f.complete(three);
3653	<	checkCompletedNormally(f, three);
3654	<	checkCompletedNormally(g, three);
3655	<	assertEquals(a.get(), 1);
3650	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3651	>	AtomicInteger x = new AtomicInteger(0);
3652	>	AtomicReference<Throwable> r = new AtomicReference<>();
3653	>	checkIncomplete(f);
3654	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3655	>	f.complete(1);
3656	>	checkCompletedNormally(f, 1);
3657	>	assertEquals(x.get(), 1);
3658	>	assertNull(r.get());
3659		}
3660
3661		/**
3662	<	* whenCompleteAsync action executes on exceptional completion, propagating
3663	<	* source result.
3662	>	* minimalCompletionStage returns a CompletableFuture that is
3663	>	* completed exceptionally when source is.
3664		*/
3665	<	public void testWhenCompleteAsync2() {
3209	<	final AtomicInteger a = new AtomicInteger();
3665	>	public void testMinimalCompletionStage2() {
3666		CompletableFuture<Integer> f = new CompletableFuture<>();
3667	<	CompletableFuture<Integer> g =
3668	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3669	<	f.completeExceptionally(new CFException());
3670	<	checkCompletedWithWrappedCFException(f);
3671	<	checkCompletedWithWrappedCFException(g);
3667	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3668	>	AtomicInteger x = new AtomicInteger(0);
3669	>	AtomicReference<Throwable> r = new AtomicReference<>();
3670	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3671	>	checkIncomplete(f);
3672	>	CFException ex = new CFException();
3673	>	f.completeExceptionally(ex);
3674	>	checkCompletedExceptionally(f, ex);
3675	>	assertEquals(x.get(), 0);
3676	>	assertEquals(r.get().getCause(), ex);
3677	>	}
3678	>
3679	>	/**
3680	>	* failedStage returns a CompletionStage completed
3681	>	* exceptionally with the given Exception
3682	>	*/
3683	>	public void testFailedStage() {
3684	>	CFException ex = new CFException();
3685	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3686	>	AtomicInteger x = new AtomicInteger(0);
3687	>	AtomicReference<Throwable> r = new AtomicReference<>();
3688	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3689	>	assertEquals(x.get(), 0);
3690	>	assertEquals(r.get(), ex);
3691		}
3692
3693		/**
3694	<	* If a whenCompleteAsync action throws an exception when
3220	<	* triggered by a normal completion, it completes exceptionally
3694	>	* completeAsync completes with value of given supplier
3695		*/
3696	<	public void testWhenCompleteAsync3() {
3696	>	public void testCompleteAsync() {
3697	>	for (Integer v1 : new Integer[] { 1, null })
3698	>	{
3699		CompletableFuture<Integer> f = new CompletableFuture<>();
3700	<	CompletableFuture<Integer> g =
3701	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3702	<	{ throw new CFException(); } );
3703	<	f.complete(three);
3704	<	checkCompletedNormally(f, three);
3705	<	checkCompletedWithWrappedCFException(g);
3700	>	f.completeAsync(() -> v1);
3701	>	f.join();
3702	>	checkCompletedNormally(f, v1);
3703	>	}}
3704	>
3705	>	/**
3706	>	* completeAsync completes exceptionally if given supplier throws
3707	>	*/
3708	>	public void testCompleteAsync2() {
3709	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3710	>	CFException ex = new CFException();
3711	>	f.completeAsync(() -> { throw ex; });
3712	>	try {
3713	>	f.join();
3714	>	shouldThrow();
3715	>	} catch (CompletionException success) {}
3716	>	checkCompletedWithWrappedException(f, ex);
3717		}
3718
3719		/**
3720	<	* whenCompleteAsync action executes on normal completion, propagating
3234	<	* source result.
3720	>	* completeAsync with given executor completes with value of given supplier
3721		*/
3722	<	public void testWhenCompleteAsync1e() {
3723	<	final AtomicInteger a = new AtomicInteger();
3724	<	ThreadExecutor exec = new ThreadExecutor();
3722	>	public void testCompleteAsync3() {
3723	>	for (Integer v1 : new Integer[] { 1, null })
3724	>	{
3725		CompletableFuture<Integer> f = new CompletableFuture<>();
3726	<	CompletableFuture<Integer> g =
3727	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3728	<	exec);
3729	<	f.complete(three);
3730	<	checkCompletedNormally(f, three);
3731	<	checkCompletedNormally(g, three);
3732	<	assertEquals(a.get(), 1);
3726	>	ThreadExecutor executor = new ThreadExecutor();
3727	>	f.completeAsync(() -> v1, executor);
3728	>	assertSame(v1, f.join());
3729	>	checkCompletedNormally(f, v1);
3730	>	assertEquals(1, executor.count.get());
3731	>	}}
3732	>
3733	>	/**
3734	>	* completeAsync with given executor completes exceptionally if
3735	>	* given supplier throws
3736	>	*/
3737	>	public void testCompleteAsync4() {
3738	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3739	>	CFException ex = new CFException();
3740	>	ThreadExecutor executor = new ThreadExecutor();
3741	>	f.completeAsync(() -> { throw ex; }, executor);
3742	>	try {
3743	>	f.join();
3744	>	shouldThrow();
3745	>	} catch (CompletionException success) {}
3746	>	checkCompletedWithWrappedException(f, ex);
3747	>	assertEquals(1, executor.count.get());
3748		}
3749
3750		/**
3751	<	* whenCompleteAsync action executes on exceptional completion, propagating
3251	<	* source result.
3751	>	* orTimeout completes with TimeoutException if not complete
3752		*/
3753	<	public void testWhenCompleteAsync2e() {
3754	<	final AtomicInteger a = new AtomicInteger();
3255	<	ThreadExecutor exec = new ThreadExecutor();
3753	>	public void testOrTimeout_timesOut() {
3754	>	long timeoutMillis = timeoutMillis();
3755		CompletableFuture<Integer> f = new CompletableFuture<>();
3756	<	CompletableFuture<Integer> g =
3757	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3758	<	exec);
3759	<	f.completeExceptionally(new CFException());
3261	<	checkCompletedWithWrappedCFException(f);
3262	<	checkCompletedWithWrappedCFException(g);
3756	>	long startTime = System.nanoTime();
3757	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3758	>	checkCompletedWithTimeoutException(f);
3759	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3760		}
3761
3762		/**
3763	<	* If a whenCompleteAsync action throws an exception when triggered
3267	<	* by a normal completion, it completes exceptionally
3763	>	* orTimeout completes normally if completed before timeout
3764		*/
3765	<	public void testWhenCompleteAsync3e() {
3766	<	ThreadExecutor exec = new ThreadExecutor();
3765	>	public void testOrTimeout_completed() {
3766	>	for (Integer v1 : new Integer[] { 1, null })
3767	>	{
3768	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3769	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3770	>	long startTime = System.nanoTime();
3771	>	f.complete(v1);
3772	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3773	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3774	>	g.complete(v1);
3775	>	checkCompletedNormally(f, v1);
3776	>	checkCompletedNormally(g, v1);
3777	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3778	>	}}
3779	>
3780	>	/**
3781	>	* completeOnTimeout completes with given value if not complete
3782	>	*/
3783	>	public void testCompleteOnTimeout_timesOut() {
3784	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3785	>	() -> testCompleteOnTimeout_timesOut(null));
3786	>	}
3787	>
3788	>	/**
3789	>	* completeOnTimeout completes with given value if not complete
3790	>	*/
3791	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3792	>	long timeoutMillis = timeoutMillis();
3793		CompletableFuture<Integer> f = new CompletableFuture<>();
3794	+	long startTime = System.nanoTime();
3795	+	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3796	+	assertSame(v, f.join());
3797	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3798	+	f.complete(99);         // should have no effect
3799	+	checkCompletedNormally(f, v);
3800	+	}
3801	+
3802	+	/**
3803	+	* completeOnTimeout has no effect if completed within timeout
3804	+	*/
3805	+	public void testCompleteOnTimeout_completed() {
3806	+	for (Integer v1 : new Integer[] { 1, null })
3807	+	{
3808	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3809	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3810	+	long startTime = System.nanoTime();
3811	+	f.complete(v1);
3812	+	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3813	+	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3814	+	g.complete(v1);
3815	+	checkCompletedNormally(f, v1);
3816	+	checkCompletedNormally(g, v1);
3817	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3818	+	}}
3819	+
3820	+	/**
3821	+	* delayedExecutor returns an executor that delays submission
3822	+	*/
3823	+	public void testDelayedExecutor() {
3824	+	testInParallel(() -> testDelayedExecutor(null, null),
3825	+	() -> testDelayedExecutor(null, 1),
3826	+	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3827	+	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3828	+	}
3829	+
3830	+	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3831	+	long timeoutMillis = timeoutMillis();
3832	+	// Use an "unreasonably long" long timeout to catch lingering threads
3833	+	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3834	+	final Executor delayer, longDelayer;
3835	+	if (executor == null) {
3836	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3837	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3838	+	} else {
3839	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3840	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3841	+	}
3842	+	long startTime = System.nanoTime();
3843	+	CompletableFuture<Integer> f =
3844	+	CompletableFuture.supplyAsync(() -> v, delayer);
3845		CompletableFuture<Integer> g =
3846	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3847	<	{ throw new CFException(); },
3848	<	exec);
3849	<	f.complete(three);
3850	<	checkCompletedNormally(f, three);
3851	<	checkCompletedWithWrappedCFException(g);
3846	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3847	>
3848	>	assertNull(g.getNow(null));
3849	>
3850	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3851	>	long millisElapsed = millisElapsedSince(startTime);
3852	>	assertTrue(millisElapsed >= timeoutMillis);
3853	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3854	>
3855	>	checkCompletedNormally(f, v);
3856	>
3857	>	checkIncomplete(g);
3858	>	assertTrue(g.cancel(true));
3859	>	}
3860	>
3861	>	//--- tests of implementation details; not part of official tck ---
3862	>
3863	>	Object resultOf(CompletableFuture<?> f) {
3864	>	SecurityManager sm = System.getSecurityManager();
3865	>	if (sm != null) {
3866	>	try {
3867	>	System.setSecurityManager(null);
3868	>	} catch (SecurityException giveUp) {
3869	>	return "Reflection not available";
3870	>	}
3871	>	}
3872	>
3873	>	try {
3874	>	java.lang.reflect.Field resultField
3875	>	= CompletableFuture.class.getDeclaredField("result");
3876	>	resultField.setAccessible(true);
3877	>	return resultField.get(f);
3878	>	} catch (Throwable t) {
3879	>	throw new AssertionError(t);
3880	>	} finally {
3881	>	if (sm != null) System.setSecurityManager(sm);
3882	>	}
3883		}
3884
3885	+	public void testExceptionPropagationReusesResultObject() {
3886	+	if (!testImplementationDetails) return;
3887	+	for (ExecutionMode m : ExecutionMode.values())
3888	+	{
3889	+	final CFException ex = new CFException();
3890	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3891	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3892	+
3893	+	final Runnable noopRunnable = new Noop(m);
3894	+	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3895	+	final Function<Integer, Integer> incFunction = new IncFunction(m);
3896	+
3897	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3898	+	= new ArrayList<>();
3899	+
3900	+	funs.add(y -> m.thenRun(y, noopRunnable));
3901	+	funs.add(y -> m.thenAccept(y, noopConsumer));
3902	+	funs.add(y -> m.thenApply(y, incFunction));
3903	+
3904	+	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3905	+	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3906	+	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3907	+
3908	+	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3909	+	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3910	+	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3911	+	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3912	+	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3913	+	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3914	+
3915	+	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3916	+
3917	+	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3918	+
3919	+	funs.add(y -> CompletableFuture.allOf(y));
3920	+	funs.add(y -> CompletableFuture.allOf(y, v42));
3921	+	funs.add(y -> CompletableFuture.allOf(v42, y));
3922	+	funs.add(y -> CompletableFuture.anyOf(y));
3923	+	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3924	+	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3925	+
3926	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3927	+	fun : funs) {
3928	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3929	+	f.completeExceptionally(ex);
3930	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3931	+	checkCompletedWithWrappedException(src, ex);
3932	+	CompletableFuture<?> dep = fun.apply(src);
3933	+	checkCompletedWithWrappedException(dep, ex);
3934	+	assertSame(resultOf(src), resultOf(dep));
3935	+	}
3936	+
3937	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3938	+	fun : funs) {
3939	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3940	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3941	+	CompletableFuture<?> dep = fun.apply(src);
3942	+	f.completeExceptionally(ex);
3943	+	checkCompletedWithWrappedException(src, ex);
3944	+	checkCompletedWithWrappedException(dep, ex);
3945	+	assertSame(resultOf(src), resultOf(dep));
3946	+	}
3947	+
3948	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3949	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3950	+	fun : funs) {
3951	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3952	+	f.cancel(mayInterruptIfRunning);
3953	+	checkCancelled(f);
3954	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3955	+	checkCompletedWithWrappedCancellationException(src);
3956	+	CompletableFuture<?> dep = fun.apply(src);
3957	+	checkCompletedWithWrappedCancellationException(dep);
3958	+	assertSame(resultOf(src), resultOf(dep));
3959	+	}
3960	+
3961	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3962	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3963	+	fun : funs) {
3964	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3965	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3966	+	CompletableFuture<?> dep = fun.apply(src);
3967	+	f.cancel(mayInterruptIfRunning);
3968	+	checkCancelled(f);
3969	+	checkCompletedWithWrappedCancellationException(src);
3970	+	checkCompletedWithWrappedCancellationException(dep);
3971	+	assertSame(resultOf(src), resultOf(dep));
3972	+	}
3973	+	}}
3974	+
3975		/**
3976	<	* handleAsync action completes normally with function value on
3283	<	* either normal or exceptional completion of source
3976	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3977		*/
3978	<	public void testHandleAsync() {
3979	<	CompletableFuture<Integer> f, g;
3980	<	IntegerHandler r;
3978	>	public void testMinimalCompletionStage_minimality() {
3979	>	if (!testImplementationDetails) return;
3980	>	Function<Method, String> toSignature =
3981	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3982	>	Predicate<Method> isNotStatic =
3983	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3984	>	List<Method> minimalMethods =
3985	>	Stream.of(Object.class, CompletionStage.class)
3986	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3987	>	.filter(isNotStatic)
3988	>	.collect(Collectors.toList());
3989	>	// Methods from CompletableFuture permitted NOT to throw UOE
3990	>	String[] signatureWhitelist = {
3991	>	"newIncompleteFuture[]",
3992	>	"defaultExecutor[]",
3993	>	"minimalCompletionStage[]",
3994	>	"copy[]",
3995	>	};
3996	>	Set<String> permittedMethodSignatures =
3997	>	Stream.concat(minimalMethods.stream().map(toSignature),
3998	>	Stream.of(signatureWhitelist))
3999	>	.collect(Collectors.toSet());
4000	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4001	>	.filter(isNotStatic)
4002	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4003	>	.collect(Collectors.toList());
4004	>
4005	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4006	>	CompletionStage<Integer> min =
4007	>	new CompletableFuture<Integer>().minimalCompletionStage();
4008	>	stages.add(min);
4009	>	stages.add(min.thenApply(x -> x));
4010	>	stages.add(CompletableFuture.completedStage(1));
4011	>	stages.add(CompletableFuture.failedStage(new CFException()));
4012	>
4013	>	List<Method> bugs = new ArrayList<>();
4014	>	for (Method method : allMethods) {
4015	>	Class<?>[] parameterTypes = method.getParameterTypes();
4016	>	Object[] args = new Object[parameterTypes.length];
4017	>	// Manufacture boxed primitives for primitive params
4018	>	for (int i = 0; i < args.length; i++) {
4019	>	Class<?> type = parameterTypes[i];
4020	>	if (parameterTypes[i] == boolean.class)
4021	>	args[i] = false;
4022	>	else if (parameterTypes[i] == int.class)
4023	>	args[i] = 0;
4024	>	else if (parameterTypes[i] == long.class)
4025	>	args[i] = 0L;
4026	>	}
4027	>	for (CompletionStage<Integer> stage : stages) {
4028	>	try {
4029	>	method.invoke(stage, args);
4030	>	bugs.add(method);
4031	>	}
4032	>	catch (java.lang.reflect.InvocationTargetException expected) {
4033	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4034	>	bugs.add(method);
4035	>	// expected.getCause().printStackTrace();
4036	>	}
4037	>	}
4038	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4039	>	}
4040	>	}
4041	>	if (!bugs.isEmpty())
4042	>	throw new Error("Methods did not throw UOE: " + bugs);
4043	>	}
4044
4045	<	f = new CompletableFuture<>();
4046	<	g = f.handleAsync(r = new IntegerHandler());
4047	<	assertFalse(r.ran);
4048	<	f.completeExceptionally(new CFException());
4049	<	checkCompletedWithWrappedCFException(f);
4050	<	checkCompletedNormally(g, three);
4051	<	assertTrue(r.ran);
4045	>	/**
4046	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4047	>	* is completed normally, with the same value, when source is.
4048	>	*/
4049	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4050	>	for (boolean createIncomplete : new boolean[] { true, false })
4051	>	for (Integer v1 : new Integer[] { 1, null })
4052	>	{
4053	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4054	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4055	>	if (!createIncomplete) assertTrue(f.complete(v1));
4056	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4057	>	if (createIncomplete) {
4058	>	checkIncomplete(f);
4059	>	checkIncomplete(g);
4060	>	assertTrue(f.complete(v1));
4061	>	}
4062	>	checkCompletedNormally(f, v1);
4063	>	checkCompletedNormally(g, v1);
4064	>	}}
4065
4066	<	f = new CompletableFuture<>();
4067	<	g = f.handleAsync(r = new IntegerHandler());
4068	<	assertFalse(r.ran);
4069	<	f.completeExceptionally(new CFException());
4070	<	checkCompletedWithWrappedCFException(f);
4071	<	checkCompletedNormally(g, three);
4072	<	assertTrue(r.ran);
4066	>	/**
4067	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4068	>	* is completed exceptionally when source is.
4069	>	*/
4070	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4071	>	for (boolean createIncomplete : new boolean[] { true, false })
4072	>	{
4073	>	CFException ex = new CFException();
4074	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4075	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4076	>	if (!createIncomplete) f.completeExceptionally(ex);
4077	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4078	>	if (createIncomplete) {
4079	>	checkIncomplete(f);
4080	>	checkIncomplete(g);
4081	>	f.completeExceptionally(ex);
4082	>	}
4083	>	checkCompletedExceptionally(f, ex);
4084	>	checkCompletedWithWrappedException(g, ex);
4085	>	}}
4086
4087	<	f = new CompletableFuture<>();
4088	<	g = f.handleAsync(r = new IntegerHandler());
4089	<	assertFalse(r.ran);
4090	<	f.complete(one);
4091	<	checkCompletedNormally(f, one);
4092	<	checkCompletedNormally(g, two);
4093	<	assertTrue(r.ran);
4087	>	/**
4088	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4089	>	*/
4090	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4091	>	for (Integer v1 : new Integer[] { 1, null })
4092	>	{
4093	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4094	>	CompletionStage minimal = f.minimalCompletionStage();
4095	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4096	>	assertTrue(g.complete(v1));
4097	>	checkCompletedNormally(g, v1);
4098	>	checkIncomplete(f);
4099	>	checkIncomplete(minimal.toCompletableFuture());
4100	>	}}
4101
4102	<	f = new CompletableFuture<>();
4103	<	g = f.handleAsync(r = new IntegerHandler());
4104	<	assertFalse(r.ran);
4105	<	f.complete(one);
4106	<	checkCompletedNormally(f, one);
4107	<	checkCompletedNormally(g, two);
4108	<	assertTrue(r.ran);
4102	>	/**
4103	>	* minimalStage.toCompletableFuture().join() awaits completion
4104	>	*/
4105	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4106	>	for (boolean createIncomplete : new boolean[] { true, false })
4107	>	for (Integer v1 : new Integer[] { 1, null })
4108	>	{
4109	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4110	>	if (!createIncomplete) assertTrue(f.complete(v1));
4111	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4112	>	if (createIncomplete) assertTrue(f.complete(v1));
4113	>	assertEquals(v1, minimal.toCompletableFuture().join());
4114	>	assertEquals(v1, minimal.toCompletableFuture().get());
4115	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4116	>	}}
4117	>
4118	>	/**
4119	>	* Completion of a toCompletableFuture copy of a minimal stage
4120	>	* does not complete its source.
4121	>	*/
4122	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4123	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4124	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4125	>	assertTrue(g.toCompletableFuture().complete(1));
4126	>	assertTrue(g.toCompletableFuture().complete(null));
4127	>	assertTrue(g.toCompletableFuture().cancel(true));
4128	>	assertTrue(g.toCompletableFuture().cancel(false));
4129	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4130	>	checkIncomplete(g.toCompletableFuture());
4131	>	f.complete(1);
4132	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4133	>	}
4134	>
4135	>	/** Demo utility method for external reliable toCompletableFuture */
4136	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4137	>	CompletableFuture<T> f = new CompletableFuture<>();
4138	>	stage.handle((T t, Throwable ex) -> {
4139	>	if (ex != null) f.completeExceptionally(ex);
4140	>	else f.complete(t);
4141	>	return null;
4142	>	});
4143	>	return f;
4144	>	}
4145	>
4146	>	/** Demo utility method to join a CompletionStage */
4147	>	static <T> T join(CompletionStage<T> stage) {
4148	>	return toCompletableFuture(stage).join();
4149		}
4150
4151		/**
4152	<	* handleAsync action with Executor completes normally with
3324	<	* function value on either normal or exceptional completion of
3325	<	* source
4152	>	* Joining a minimal stage "by hand" works
4153		*/
4154	<	public void testHandleAsync2() {
4155	<	CompletableFuture<Integer> f, g;
4156	<	ThreadExecutor exec = new ThreadExecutor();
4157	<	IntegerHandler r;
4154	>	public void testMinimalCompletionStage_join_by_hand() {
4155	>	for (boolean createIncomplete : new boolean[] { true, false })
4156	>	for (Integer v1 : new Integer[] { 1, null })
4157	>	{
4158	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4159	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4160	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4161	>	if (!createIncomplete) assertTrue(f.complete(v1));
4162	>	minimal.thenAccept(x -> g.complete(x));
4163	>	if (createIncomplete) assertTrue(f.complete(v1));
4164	>	g.join();
4165	>	checkCompletedNormally(g, v1);
4166	>	checkCompletedNormally(f, v1);
4167	>	assertEquals(v1, join(minimal));
4168	>	}}
4169
4170	<	f = new CompletableFuture<>();
4171	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4172	<	assertFalse(r.ran);
4173	<	f.completeExceptionally(new CFException());
4174	<	checkCompletedWithWrappedCFException(f);
4175	<	checkCompletedNormally(g, three);
4176	<	assertTrue(r.ran);
4170	>	static class Monad {
4171	>	static class ZeroException extends RuntimeException {
4172	>	public ZeroException() { super("monadic zero"); }
4173	>	}
4174	>	// "return", "unit"
4175	>	static <T> CompletableFuture<T> unit(T value) {
4176	>	return completedFuture(value);
4177	>	}
4178	>	// monadic zero ?
4179	>	static <T> CompletableFuture<T> zero() {
4180	>	return failedFuture(new ZeroException());
4181	>	}
4182	>	// >=>
4183	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4184	>	(Function<T, CompletableFuture<U>> f,
4185	>	Function<U, CompletableFuture<V>> g) {
4186	>	return x -> f.apply(x).thenCompose(g);
4187	>	}
4188
4189	<	f = new CompletableFuture<>();
4190	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4191	<	assertFalse(r.ran);
4192	<	f.completeExceptionally(new CFException());
4193	<	checkCompletedWithWrappedCFException(f);
4194	<	checkCompletedNormally(g, three);
4195	<	assertTrue(r.ran);
4189	>	static void assertZero(CompletableFuture<?> f) {
4190	>	try {
4191	>	f.getNow(null);
4192	>	throw new AssertionError("should throw");
4193	>	} catch (CompletionException success) {
4194	>	assertTrue(success.getCause() instanceof ZeroException);
4195	>	}
4196	>	}
4197
4198	<	f = new CompletableFuture<>();
4199	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4200	<	assertFalse(r.ran);
4201	<	f.complete(one);
4202	<	checkCompletedNormally(f, one);
4203	<	checkCompletedNormally(g, two);
4204	<	assertTrue(r.ran);
4198	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4199	>	CompletableFuture<T> g) {
4200	>	T fval = null, gval = null;
4201	>	Throwable fex = null, gex = null;
4202	>
4203	>	try { fval = f.get(); }
4204	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4205	>	catch (Throwable ex) { fex = ex; }
4206	>
4207	>	try { gval = g.get(); }
4208	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4209	>	catch (Throwable ex) { gex = ex; }
4210	>
4211	>	if (fex != null || gex != null)
4212	>	assertSame(fex.getClass(), gex.getClass());
4213	>	else
4214	>	assertEquals(fval, gval);
4215	>	}
4216
4217	<	f = new CompletableFuture<>();
4218	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4219	<	assertFalse(r.ran);
4220	<	f.complete(one);
4221	<	checkCompletedNormally(f, one);
4222	<	checkCompletedNormally(g, two);
4223	<	assertTrue(r.ran);
4217	>	static class PlusFuture<T> extends CompletableFuture<T> {
4218	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4219	>	}
4220	>
4221	>	/** Implements "monadic plus". */
4222	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4223	>	CompletableFuture<? extends T> g) {
4224	>	PlusFuture<T> plus = new PlusFuture<T>();
4225	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4226	>	try {
4227	>	if (ex == null) {
4228	>	if (plus.complete(result))
4229	>	if (plus.firstFailure.get() != null)
4230	>	plus.firstFailure.set(null);
4231	>	}
4232	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4233	>	if (plus.isDone())
4234	>	plus.firstFailure.set(null);
4235	>	}
4236	>	else {
4237	>	// first failure has precedence
4238	>	Throwable first = plus.firstFailure.getAndSet(null);
4239	>
4240	>	// may fail with "Self-suppression not permitted"
4241	>	try { first.addSuppressed(ex); }
4242	>	catch (Exception ignored) {}
4243	>
4244	>	plus.completeExceptionally(first);
4245	>	}
4246	>	} catch (Throwable unexpected) {
4247	>	plus.completeExceptionally(unexpected);
4248	>	}
4249	>	};
4250	>	f.whenComplete(action);
4251	>	g.whenComplete(action);
4252	>	return plus;
4253	>	}
4254		}
4255
4256	+	/**
4257	+	* CompletableFuture is an additive monad - sort of.
4258	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4259	+	*/
4260	+	public void testAdditiveMonad() throws Throwable {
4261	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4262	+	CompletableFuture<Long> zero = Monad.zero();
4263	+
4264	+	// Some mutually non-commutative functions
4265	+	Function<Long, CompletableFuture<Long>> triple
4266	+	= x -> Monad.unit(3 * x);
4267	+	Function<Long, CompletableFuture<Long>> inc
4268	+	= x -> Monad.unit(x + 1);
4269	+
4270	+	// unit is a right identity: m >>= unit === m
4271	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4272	+	inc.apply(5L));
4273	+	// unit is a left identity: (unit x) >>= f === f x
4274	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4275	+	inc.apply(5L));
4276	+
4277	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4278	+	Monad.assertFutureEquals(
4279	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4280	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4281	+
4282	+	// The case for CompletableFuture as an additive monad is weaker...
4283	+
4284	+	// zero is a monadic zero
4285	+	Monad.assertZero(zero);
4286	+
4287	+	// left zero: zero >>= f === zero
4288	+	Monad.assertZero(zero.thenCompose(inc));
4289	+	// right zero: f >>= (\x -> zero) === zero
4290	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4291	+
4292	+	// f plus zero === f
4293	+	Monad.assertFutureEquals(Monad.unit(5L),
4294	+	Monad.plus(Monad.unit(5L), zero));
4295	+	// zero plus f === f
4296	+	Monad.assertFutureEquals(Monad.unit(5L),
4297	+	Monad.plus(zero, Monad.unit(5L)));
4298	+	// zero plus zero === zero
4299	+	Monad.assertZero(Monad.plus(zero, zero));
4300	+	{
4301	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4302	+	Monad.unit(8L));
4303	+	// non-determinism
4304	+	assertTrue(f.get() == 5L || f.get() == 8L);
4305	+	}
4306	+
4307	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4308	+	// f plus godot === f (doesn't wait for godot)
4309	+	Monad.assertFutureEquals(Monad.unit(5L),
4310	+	Monad.plus(Monad.unit(5L), godot));
4311	+	// godot plus f === f (doesn't wait for godot)
4312	+	Monad.assertFutureEquals(Monad.unit(5L),
4313	+	Monad.plus(godot, Monad.unit(5L)));
4314	+	}
4315	+
4316	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4317	+	@SuppressWarnings("FutureReturnValueIgnored")
4318	+	public void testRecursiveChains() throws Throwable {
4319	+	for (ExecutionMode m : ExecutionMode.values())
4320	+	for (boolean addDeadEnds : new boolean[] { true, false })
4321	+	{
4322	+	final int val = 42;
4323	+	final int n = expensiveTests ? 1_000 : 2;
4324	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4325	+	CompletableFuture<Integer> tail = head;
4326	+	for (int i = 0; i < n; i++) {
4327	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4328	+	tail = m.thenApply(tail, v -> v + 1);
4329	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4330	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4331	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4332	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4333	+	}
4334	+	head.complete(val);
4335	+	assertEquals(val + 3 * n, (int) tail.join());
4336	+	}}
4337	+
4338	+	/**
4339	+	* A single CompletableFuture with many dependents.
4340	+	* A demo of scalability - runtime is O(n).
4341	+	*/
4342	+	@SuppressWarnings("FutureReturnValueIgnored")
4343	+	public void testManyDependents() throws Throwable {
4344	+	final int n = expensiveTests ? 1_000_000 : 10;
4345	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4346	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4347	+	final AtomicInteger count = new AtomicInteger(0);
4348	+	for (int i = 0; i < n; i++) {
4349	+	head.thenRun(() -> count.getAndIncrement());
4350	+	head.thenAccept(x -> count.getAndIncrement());
4351	+	head.thenApply(x -> count.getAndIncrement());
4352	+
4353	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4354	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4355	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4356	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4357	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4358	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4359	+
4360	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4361	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4362	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4363	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4364	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4365	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4366	+	}
4367	+	head.complete(null);
4368	+	assertEquals(5 * 3 * n, count.get());
4369	+	}
4370	+
4371	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4372	+	@SuppressWarnings("FutureReturnValueIgnored")
4373	+	public void testCoCompletionGarbageRetention() throws Throwable {
4374	+	final int n = expensiveTests ? 1_000_000 : 10;
4375	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4376	+	CompletableFuture<Integer> f;
4377	+	for (int i = 0; i < n; i++) {
4378	+	f = new CompletableFuture<>();
4379	+	f.runAfterEither(incomplete, () -> {});
4380	+	f.complete(null);
4381	+
4382	+	f = new CompletableFuture<>();
4383	+	f.acceptEither(incomplete, x -> {});
4384	+	f.complete(null);
4385	+
4386	+	f = new CompletableFuture<>();
4387	+	f.applyToEither(incomplete, x -> x);
4388	+	f.complete(null);
4389	+
4390	+	f = new CompletableFuture<>();
4391	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4392	+	f.complete(null);
4393	+	}
4394	+
4395	+	for (int i = 0; i < n; i++) {
4396	+	f = new CompletableFuture<>();
4397	+	incomplete.runAfterEither(f, () -> {});
4398	+	f.complete(null);
4399	+
4400	+	f = new CompletableFuture<>();
4401	+	incomplete.acceptEither(f, x -> {});
4402	+	f.complete(null);
4403	+
4404	+	f = new CompletableFuture<>();
4405	+	incomplete.applyToEither(f, x -> x);
4406	+	f.complete(null);
4407	+
4408	+	f = new CompletableFuture<>();
4409	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4410	+	f.complete(null);
4411	+	}
4412	+	}
4413	+
4414	+	/**
4415	+	* Reproduction recipe for:
4416	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4417	+	* cvs update -D '2016-05-01' ./src/main/java/util/concurrent/CompletableFuture.java && ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testAnyOfGarbageRetention tck; cvs update -A
4418	+	*/
4419	+	public void testAnyOfGarbageRetention() throws Throwable {
4420	+	for (Integer v : new Integer[] { 1, null })
4421	+	{
4422	+	final int n = expensiveTests ? 100_000 : 10;
4423	+	CompletableFuture<Integer>[] fs
4424	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4425	+	for (int i = 0; i < fs.length; i++)
4426	+	fs[i] = new CompletableFuture<>();
4427	+	fs[fs.length - 1].complete(v);
4428	+	for (int i = 0; i < n; i++)
4429	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4430	+	}}
4431	+
4432	+	/**
4433	+	* Checks for garbage retention with allOf.
4434	+	*
4435	+	* As of 2016-07, fails with OOME:
4436	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4437	+	*/
4438	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4439	+	final int n = expensiveTests ? 100_000 : 10;
4440	+	CompletableFuture<Integer>[] fs
4441	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4442	+	for (int i = 0; i < fs.length; i++)
4443	+	fs[i] = new CompletableFuture<>();
4444	+	for (int i = 0; i < n; i++)
4445	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4446	+	}
4447	+
4448	+	/**
4449	+	* Checks for garbage retention when a dependent future is
4450	+	* cancelled and garbage-collected.
4451	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4452	+	*
4453	+	* As of 2016-07, fails with OOME:
4454	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4455	+	*/
4456	+	public void testCancelledGarbageRetention() throws Throwable {
4457	+	final int n = expensiveTests ? 100_000 : 10;
4458	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4459	+	for (int i = 0; i < n; i++)
4460	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4461	+	}
4462	+
4463	+	/**
4464	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4465	+	* is invoked many times.
4466	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4467	+	*
4468	+	* As of 2016-07, fails with OOME:
4469	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4470	+	*/
4471	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4472	+	final int n = expensiveTests ? 900_000 : 10;
4473	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4474	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4475	+	for (int i = 0; i < n; i++)
4476	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4477	+	}
4478	+
4479	+	//     static <U> U join(CompletionStage<U> stage) {
4480	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4481	+	//         stage.whenComplete((v, ex) -> {
4482	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4483	+	//         });
4484	+	//         return f.join();
4485	+	//     }
4486	+
4487	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4488	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4489	+	//         stage.whenComplete((v, ex) -> {
4490	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4491	+	//         });
4492	+	//         return f.isDone();
4493	+	//     }
4494	+
4495	+	//     static <U> U join2(CompletionStage<U> stage) {
4496	+	//         return stage.toCompletableFuture().copy().join();
4497	+	//     }
4498	+
4499	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4500	+	//         return stage.toCompletableFuture().copy().isDone();
4501	+	//     }
4502	+
4503		}

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