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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.32 by jsr166, Mon May 26 17:25:36 2014 UTC vs.
Revision 1.197 by jsr166, Sun Jul 22 22:08:49 2018 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28	+	import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33	+	import java.util.concurrent.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
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	>
63	>	Object result = null;
64		try {
65	<	assertNull(f.getNow(null));
65	>	result = f.getNow(null);
66		} catch (Throwable fail) { threadUnexpectedException(fail); }
67	+	assertNull(result);
68	+
69		try {
70	<	f.get(0L, SECONDS);
70	>	f.get(randomExpiredTimeout(), randomTimeUnit());
71		shouldThrow();
72		}
73		catch (TimeoutException success) {}
74		catch (Throwable fail) { threadUnexpectedException(fail); }
75		}
76
77	<	<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
78	<	try {
79	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
80	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
81	<	try {
82	<	assertEquals(value, f.join());
83	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
63	<	try {
64	<	assertEquals(value, f.getNow(null));
65	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
77	>	<T> void checkCompletedNormally(CompletableFuture<T> f, T expectedValue) {
78	>	checkTimedGet(f, expectedValue);
79	>
80	>	assertEquals(expectedValue, f.join());
81	>	assertEquals(expectedValue, f.getNow(null));
82	>
83	>	T result = null;
84		try {
85	<	assertEquals(value, f.get());
85	>	result = f.get();
86		} catch (Throwable fail) { threadUnexpectedException(fail); }
87	+	assertEquals(expectedValue, result);
88	+
89		assertTrue(f.isDone());
90		assertFalse(f.isCancelled());
91		assertFalse(f.isCompletedExceptionally());
92	<	assertTrue(f.toString().contains("[Completed normally]"));
92	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
93		}
94
95	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
95	>	/**
96	>	* Returns the "raw" internal exceptional completion of f,
97	>	* without any additional wrapping with CompletionException.
98	>	*/
99	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
100	>	// handle (and whenComplete and exceptionally) can distinguish
101	>	// between "direct" and "wrapped" exceptional completion
102	>	return f.handle((u, t) -> t).join();
103	>	}
104	>
105	>	void checkCompletedExceptionally(CompletableFuture<?> f,
106	>	boolean wrapped,
107	>	Consumer<Throwable> checker) {
108	>	Throwable cause = exceptionalCompletion(f);
109	>	if (wrapped) {
110	>	assertTrue(cause instanceof CompletionException);
111	>	cause = cause.getCause();
112	>	}
113	>	checker.accept(cause);
114	>
115	>	long startTime = System.nanoTime();
116		try {
117		f.get(LONG_DELAY_MS, MILLISECONDS);
118		shouldThrow();
119		} catch (ExecutionException success) {
120	<	assertTrue(success.getCause() instanceof CFException);
120	>	assertSame(cause, success.getCause());
121		} catch (Throwable fail) { threadUnexpectedException(fail); }
122	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
123	+
124		try {
125		f.join();
126		shouldThrow();
127		} catch (CompletionException success) {
128	<	assertTrue(success.getCause() instanceof CFException);
129	<	}
128	>	assertSame(cause, success.getCause());
129	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
130	>
131		try {
132		f.getNow(null);
133		shouldThrow();
134		} catch (CompletionException success) {
135	<	assertTrue(success.getCause() instanceof CFException);
136	<	}
135	>	assertSame(cause, success.getCause());
136	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
137	>
138		try {
139		f.get();
140		shouldThrow();
141		} catch (ExecutionException success) {
142	<	assertTrue(success.getCause() instanceof CFException);
142	>	assertSame(cause, success.getCause());
143		} catch (Throwable fail) { threadUnexpectedException(fail); }
144	<	assertTrue(f.isDone());
144	>
145		assertFalse(f.isCancelled());
146	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
146	>	assertTrue(f.isDone());
147	>	assertTrue(f.isCompletedExceptionally());
148	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
149	>	}
150	>
151	>	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
152	>	checkCompletedExceptionally(f, true,
153	>	t -> assertTrue(t instanceof CFException));
154	>	}
155	>
156	>	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
157	>	checkCompletedExceptionally(f, true,
158	>	t -> assertTrue(t instanceof CancellationException));
159	>	}
160	>
161	>	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
162	>	checkCompletedExceptionally(f, false,
163	>	t -> assertTrue(t instanceof TimeoutException));
164	>	}
165	>
166	>	void checkCompletedWithWrappedException(CompletableFuture<?> f,
167	>	Throwable ex) {
168	>	checkCompletedExceptionally(f, true, t -> assertSame(t, ex));
169	>	}
170	>
171	>	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
172	>	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
173		}
174
175		void checkCancelled(CompletableFuture<?> f) {
176	+	long startTime = System.nanoTime();
177		try {
178		f.get(LONG_DELAY_MS, MILLISECONDS);
179		shouldThrow();
180		} catch (CancellationException success) {
181		} catch (Throwable fail) { threadUnexpectedException(fail); }
182	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
183	+
184		try {
185		f.join();
186		shouldThrow();
#	Line 121 | Line 194 | public class CompletableFutureTest exten
194		shouldThrow();
195		} catch (CancellationException success) {
196		} catch (Throwable fail) { threadUnexpectedException(fail); }
124	–	assertTrue(f.isDone());
125	–	assertTrue(f.isCompletedExceptionally());
126	–	assertTrue(f.isCancelled());
127	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
128	–	}
197
198	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
199	<	try {
132	<	f.get(LONG_DELAY_MS, MILLISECONDS);
133	<	shouldThrow();
134	<	} catch (ExecutionException success) {
135	<	assertTrue(success.getCause() instanceof CancellationException);
136	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
137	<	try {
138	<	f.join();
139	<	shouldThrow();
140	<	} catch (CompletionException success) {
141	<	assertTrue(success.getCause() instanceof CancellationException);
142	<	}
143	<	try {
144	<	f.getNow(null);
145	<	shouldThrow();
146	<	} catch (CompletionException success) {
147	<	assertTrue(success.getCause() instanceof CancellationException);
148	<	}
149	<	try {
150	<	f.get();
151	<	shouldThrow();
152	<	} catch (ExecutionException success) {
153	<	assertTrue(success.getCause() instanceof CancellationException);
154	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
198	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
199	>
200		assertTrue(f.isDone());
156	–	assertFalse(f.isCancelled());
201		assertTrue(f.isCompletedExceptionally());
202	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
202	>	assertTrue(f.isCancelled());
203	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
204		}
205
206		/**
#	Line 172 | Line 217 | public class CompletableFutureTest exten
217		* isCancelled, join, get, and getNow
218		*/
219		public void testComplete() {
220	+	for (Integer v1 : new Integer[] { 1, null })
221	+	{
222		CompletableFuture<Integer> f = new CompletableFuture<>();
223		checkIncomplete(f);
224	<	f.complete(one);
225	<	checkCompletedNormally(f, one);
226	<	}
224	>	assertTrue(f.complete(v1));
225	>	assertFalse(f.complete(v1));
226	>	checkCompletedNormally(f, v1);
227	>	}}
228
229		/**
230		* completeExceptionally completes exceptionally, as indicated by
#	Line 184 | Line 232 | public class CompletableFutureTest exten
232		*/
233		public void testCompleteExceptionally() {
234		CompletableFuture<Integer> f = new CompletableFuture<>();
235	+	CFException ex = new CFException();
236		checkIncomplete(f);
237	<	f.completeExceptionally(new CFException());
238	<	checkCompletedWithWrappedCFException(f);
237	>	f.completeExceptionally(ex);
238	>	checkCompletedExceptionally(f, ex);
239		}
240
241		/**
#	Line 194 | Line 243 | public class CompletableFutureTest exten
243		* methods isDone, isCancelled, join, get, and getNow
244		*/
245		public void testCancel() {
246	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
247	+	{
248		CompletableFuture<Integer> f = new CompletableFuture<>();
249		checkIncomplete(f);
250	<	assertTrue(f.cancel(true));
250	>	assertTrue(f.cancel(mayInterruptIfRunning));
251	>	assertTrue(f.cancel(mayInterruptIfRunning));
252	>	assertTrue(f.cancel(!mayInterruptIfRunning));
253		checkCancelled(f);
254	<	}
254	>	}}
255
256		/**
257		* obtrudeValue forces completion with given value
#	Line 206 | Line 259 | public class CompletableFutureTest exten
259		public void testObtrudeValue() {
260		CompletableFuture<Integer> f = new CompletableFuture<>();
261		checkIncomplete(f);
262	<	f.complete(one);
262	>	assertTrue(f.complete(one));
263		checkCompletedNormally(f, one);
264		f.obtrudeValue(three);
265		checkCompletedNormally(f, three);
#	Line 215 | Line 268 | public class CompletableFutureTest exten
268		f = new CompletableFuture<>();
269		f.obtrudeValue(three);
270		checkCompletedNormally(f, three);
271	+	f.obtrudeValue(null);
272	+	checkCompletedNormally(f, null);
273		f = new CompletableFuture<>();
274		f.completeExceptionally(new CFException());
275		f.obtrudeValue(four);
#	Line 225 | Line 280 | public class CompletableFutureTest exten
280		* obtrudeException forces completion with given exception
281		*/
282		public void testObtrudeException() {
283	<	CompletableFuture<Integer> f = new CompletableFuture<>();
284	<	checkIncomplete(f);
285	<	f.complete(one);
286	<	checkCompletedNormally(f, one);
287	<	f.obtrudeException(new CFException());
288	<	checkCompletedWithWrappedCFException(f);
283	>	for (Integer v1 : new Integer[] { 1, null })
284	>	{
285	>	CFException ex;
286	>	CompletableFuture<Integer> f;
287	>
288	>	f = new CompletableFuture<>();
289	>	assertTrue(f.complete(v1));
290	>	for (int i = 0; i < 2; i++) {
291	>	f.obtrudeException(ex = new CFException());
292	>	checkCompletedExceptionally(f, ex);
293	>	}
294	>
295		f = new CompletableFuture<>();
296	<	f.obtrudeException(new CFException());
297	<	checkCompletedWithWrappedCFException(f);
296	>	for (int i = 0; i < 2; i++) {
297	>	f.obtrudeException(ex = new CFException());
298	>	checkCompletedExceptionally(f, ex);
299	>	}
300	>
301		f = new CompletableFuture<>();
302		f.completeExceptionally(new CFException());
303	<	f.obtrudeValue(four);
304	<	checkCompletedNormally(f, four);
305	<	f.obtrudeException(new CFException());
306	<	checkCompletedWithWrappedCFException(f);
307	<	}
303	>	f.obtrudeValue(v1);
304	>	checkCompletedNormally(f, v1);
305	>	f.obtrudeException(ex = new CFException());
306	>	checkCompletedExceptionally(f, ex);
307	>	f.completeExceptionally(new CFException());
308	>	checkCompletedExceptionally(f, ex);
309	>	assertFalse(f.complete(v1));
310	>	checkCompletedExceptionally(f, ex);
311	>	}}
312
313		/**
314		* getNumberOfDependents returns number of dependent tasks
315		*/
316		public void testGetNumberOfDependents() {
317	<	CompletableFuture<Integer> f = new CompletableFuture<>();
318	<	assertEquals(f.getNumberOfDependents(), 0);
319	<	CompletableFuture g = f.thenRun(new Noop());
320	<	assertEquals(f.getNumberOfDependents(), 1);
321	<	assertEquals(g.getNumberOfDependents(), 0);
322	<	CompletableFuture h = f.thenRun(new Noop());
323	<	assertEquals(f.getNumberOfDependents(), 2);
324	<	f.complete(1);
317	>	for (ExecutionMode m : ExecutionMode.values())
318	>	for (Integer v1 : new Integer[] { 1, null })
319	>	{
320	>	CompletableFuture<Integer> f = new CompletableFuture<>();
321	>	assertEquals(0, f.getNumberOfDependents());
322	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
323	>	assertEquals(1, f.getNumberOfDependents());
324	>	assertEquals(0, g.getNumberOfDependents());
325	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
326	>	assertEquals(2, f.getNumberOfDependents());
327	>	assertEquals(0, h.getNumberOfDependents());
328	>	assertTrue(f.complete(v1));
329		checkCompletedNormally(g, null);
330	<	assertEquals(f.getNumberOfDependents(), 0);
331	<	assertEquals(g.getNumberOfDependents(), 0);
332	<	}
330	>	checkCompletedNormally(h, null);
331	>	assertEquals(0, f.getNumberOfDependents());
332	>	assertEquals(0, g.getNumberOfDependents());
333	>	assertEquals(0, h.getNumberOfDependents());
334	>	}}
335
336		/**
337		* toString indicates current completion state
338		*/
339	<	public void testToString() {
340	<	CompletableFuture<String> f;
341	<
342	<	f = new CompletableFuture<String>();
343	<	assertTrue(f.toString().contains("[Not completed]"));
344	<
345	<	f.complete("foo");
346	<	assertTrue(f.toString().contains("[Completed normally]"));
347	<
348	<	f = new CompletableFuture<String>();
349	<	f.completeExceptionally(new IndexOutOfBoundsException());
350	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
339	>	public void testToString_incomplete() {
340	>	CompletableFuture<String> f = new CompletableFuture<>();
341	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
342	>	if (testImplementationDetails)
343	>	assertEquals(identityString(f) + "[Not completed]",
344	>	f.toString());
345	>	}
346	>
347	>	public void testToString_normal() {
348	>	CompletableFuture<String> f = new CompletableFuture<>();
349	>	assertTrue(f.complete("foo"));
350	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
351	>	if (testImplementationDetails)
352	>	assertEquals(identityString(f) + "[Completed normally]",
353	>	f.toString());
354	>	}
355	>
356	>	public void testToString_exception() {
357	>	CompletableFuture<String> f = new CompletableFuture<>();
358	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
359	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
360	>	if (testImplementationDetails)
361	>	assertTrue(f.toString().startsWith(
362	>	identityString(f) + "[Completed exceptionally: "));
363	>	}
364	>
365	>	public void testToString_cancelled() {
366	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
367	>	CompletableFuture<String> f = new CompletableFuture<>();
368	>	assertTrue(f.cancel(mayInterruptIfRunning));
369	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
370	>	if (testImplementationDetails)
371	>	assertTrue(f.toString().startsWith(
372	>	identityString(f) + "[Completed exceptionally: "));
373	>	}
374		}
375
376		/**
#	Line 284 | Line 381 | public class CompletableFutureTest exten
381		checkCompletedNormally(f, "test");
382		}
383
384	<	// Choose non-commutative actions for better coverage
385	<
386	<	static final Supplier<Integer> supplyOne =
387	<	() -> Integer.valueOf(1);
388	<	static final Function<Integer, Integer> inc =
389	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
390	<	static final BiFunction<Integer, Integer, Integer> subtract =
294	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
295	<	static final class IncAction implements Consumer<Integer> {
296	<	int value;
297	<	public void accept(Integer x) { value = x.intValue() + 1; }
298	<	}
299	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
300	<	int value;
301	<	public void accept(Integer x, Integer y) {
302	<	value = x.intValue() - y.intValue();
384	>	abstract static class CheckedAction {
385	>	int invocationCount = 0;
386	>	final ExecutionMode m;
387	>	CheckedAction(ExecutionMode m) { this.m = m; }
388	>	void invoked() {
389	>	m.checkExecutionMode();
390	>	assertEquals(0, invocationCount++);
391		}
392	<	}
393	<	static final class Noop implements Runnable {
306	<	boolean ran;
307	<	public void run() { ran = true; }
308	<	}
309	<
310	<	static final class FailingSupplier implements Supplier<Integer> {
311	<	boolean ran;
312	<	public Integer get() { ran = true; throw new CFException(); }
313	<	}
314	<	static final class FailingConsumer implements Consumer<Integer> {
315	<	boolean ran;
316	<	public void accept(Integer x) { ran = true; throw new CFException(); }
317	<	}
318	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
319	<	boolean ran;
320	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
321	<	}
322	<	static final class FailingFunction implements Function<Integer, Integer> {
323	<	boolean ran;
324	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
325	<	}
326	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
327	<	boolean ran;
328	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
329	<	}
330	<	static final class FailingNoop implements Runnable {
331	<	boolean ran;
332	<	public void run() { ran = true; throw new CFException(); }
392	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
393	>	void assertInvoked() { assertEquals(1, invocationCount); }
394		}
395
396	<	static final class CompletableFutureInc
397	<	implements Function<Integer, CompletableFuture<Integer>> {
398	<	boolean ran;
399	<	public CompletableFuture<Integer> apply(Integer x) {
400	<	ran = true;
401	<	CompletableFuture<Integer> f = new CompletableFuture<>();
341	<	f.complete(Integer.valueOf(x.intValue() + 1));
342	<	return f;
396	>	abstract static class CheckedIntegerAction extends CheckedAction {
397	>	Integer value;
398	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
399	>	void assertValue(Integer expected) {
400	>	assertInvoked();
401	>	assertEquals(expected, value);
402		}
403		}
404
405	<	static final class FailingCompletableFutureFunction
406	<	implements Function<Integer, CompletableFuture<Integer>> {
407	<	boolean ran;
408	<	public CompletableFuture<Integer> apply(Integer x) {
409	<	ran = true; throw new CFException();
405	>	static class IntegerSupplier extends CheckedAction
406	>	implements Supplier<Integer>
407	>	{
408	>	final Integer value;
409	>	IntegerSupplier(ExecutionMode m, Integer value) {
410	>	super(m);
411	>	this.value = value;
412		}
413	<	}
414	<
415	<	// Used for explicit executor tests
355	<	static final class ThreadExecutor implements Executor {
356	<	AtomicInteger count = new AtomicInteger(0);
357	<
358	<	public void execute(Runnable r) {
359	<	count.getAndIncrement();
360	<	new Thread(r).start();
413	>	public Integer get() {
414	>	invoked();
415	>	return value;
416		}
417		}
418
419	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
420	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
419	>	// A function that handles and produces null values as well.
420	>	static Integer inc(Integer x) {
421	>	return (x == null) ? null : x + 1;
422		}
423
424	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
425	<	boolean ran;
426	<	public Integer apply(Integer x, Throwable t) {
427	<	ran = true;
428	<	return (t == null) ? two : three;
424	>	static class NoopConsumer extends CheckedIntegerAction
425	>	implements Consumer<Integer>
426	>	{
427	>	NoopConsumer(ExecutionMode m) { super(m); }
428	>	public void accept(Integer x) {
429	>	invoked();
430	>	value = x;
431		}
432		}
433
434	<	/**
435	<	* exceptionally action completes with function value on source
436	<	* exception; otherwise with source value
437	<	*/
438	<	public void testExceptionally() {
439	<	CompletableFuture<Integer> f = new CompletableFuture<>();
440	<	ExceptionToInteger r = new ExceptionToInteger();
441	<	CompletableFuture<Integer> g = f.exceptionally(r);
384	<	f.completeExceptionally(new CFException());
385	<	checkCompletedNormally(g, three);
386	<
387	<	f = new CompletableFuture<>();
388	<	r = new ExceptionToInteger();
389	<	g = f.exceptionally(r);
390	<	f.complete(one);
391	<	checkCompletedNormally(g, one);
392	<	}
393	<
394	<	/**
395	<	* handle action completes normally with function value on either
396	<	* normal or exceptional completion of source
397	<	*/
398	<	public void testHandle() {
399	<	CompletableFuture<Integer> f, g;
400	<	IntegerHandler r;
401	<
402	<	f = new CompletableFuture<>();
403	<	f.completeExceptionally(new CFException());
404	<	g = f.handle(r = new IntegerHandler());
405	<	assertTrue(r.ran);
406	<	checkCompletedNormally(g, three);
407	<
408	<	f = new CompletableFuture<>();
409	<	g = f.handle(r = new IntegerHandler());
410	<	assertFalse(r.ran);
411	<	f.completeExceptionally(new CFException());
412	<	checkCompletedNormally(g, three);
413	<	assertTrue(r.ran);
414	<
415	<	f = new CompletableFuture<>();
416	<	f.complete(one);
417	<	g = f.handle(r = new IntegerHandler());
418	<	assertTrue(r.ran);
419	<	checkCompletedNormally(g, two);
420	<
421	<	f = new CompletableFuture<>();
422	<	g = f.handle(r = new IntegerHandler());
423	<	assertFalse(r.ran);
424	<	f.complete(one);
425	<	assertTrue(r.ran);
426	<	checkCompletedNormally(g, two);
427	<	}
428	<
429	<	/**
430	<	* runAsync completes after running Runnable
431	<	*/
432	<	public void testRunAsync() {
433	<	Noop r = new Noop();
434	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
435	<	assertNull(f.join());
436	<	assertTrue(r.ran);
437	<	checkCompletedNormally(f, null);
438	<	}
439	<
440	<	/**
441	<	* runAsync with executor completes after running Runnable
442	<	*/
443	<	public void testRunAsync2() {
444	<	Noop r = new Noop();
445	<	ThreadExecutor exec = new ThreadExecutor();
446	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
447	<	assertNull(f.join());
448	<	assertTrue(r.ran);
449	<	checkCompletedNormally(f, null);
450	<	assertEquals(1, exec.count.get());
451	<	}
452	<
453	<	/**
454	<	* failing runAsync completes exceptionally after running Runnable
455	<	*/
456	<	public void testRunAsync3() {
457	<	FailingNoop r = new FailingNoop();
458	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
459	<	checkCompletedWithWrappedCFException(f);
460	<	assertTrue(r.ran);
461	<	}
462	<
463	<	/**
464	<	* supplyAsync completes with result of supplier
465	<	*/
466	<	public void testSupplyAsync() {
467	<	CompletableFuture<Integer> f;
468	<	f = CompletableFuture.supplyAsync(supplyOne);
469	<	assertEquals(f.join(), one);
470	<	checkCompletedNormally(f, one);
471	<	}
472	<
473	<	/**
474	<	* supplyAsync with executor completes with result of supplier
475	<	*/
476	<	public void testSupplyAsync2() {
477	<	CompletableFuture<Integer> f;
478	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
479	<	assertEquals(f.join(), one);
480	<	checkCompletedNormally(f, one);
481	<	}
482	<
483	<	/**
484	<	* Failing supplyAsync completes exceptionally
485	<	*/
486	<	public void testSupplyAsync3() {
487	<	FailingSupplier r = new FailingSupplier();
488	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
489	<	checkCompletedWithWrappedCFException(f);
490	<	assertTrue(r.ran);
491	<	}
492	<
493	<	// seq completion methods
494	<
495	<	/**
496	<	* thenRun result completes normally after normal completion of source
497	<	*/
498	<	public void testThenRun() {
499	<	CompletableFuture<Integer> f;
500	<	CompletableFuture<Void> g;
501	<	Noop r;
502	<
503	<	f = new CompletableFuture<>();
504	<	g = f.thenRun(r = new Noop());
505	<	f.complete(null);
506	<	checkCompletedNormally(g, null);
507	<	assertTrue(r.ran);
508	<
509	<	f = new CompletableFuture<>();
510	<	f.complete(null);
511	<	g = f.thenRun(r = new Noop());
512	<	checkCompletedNormally(g, null);
513	<	assertTrue(r.ran);
514	<	}
515	<
516	<	/**
517	<	* thenRun result completes exceptionally after exceptional
518	<	* completion of source
519	<	*/
520	<	public void testThenRun2() {
521	<	CompletableFuture<Integer> f;
522	<	CompletableFuture<Void> g;
523	<	Noop r;
524	<
525	<	f = new CompletableFuture<>();
526	<	g = f.thenRun(r = new Noop());
527	<	f.completeExceptionally(new CFException());
528	<	checkCompletedWithWrappedCFException(g);
529	<	assertFalse(r.ran);
530	<
531	<	f = new CompletableFuture<>();
532	<	f.completeExceptionally(new CFException());
533	<	g = f.thenRun(r = new Noop());
534	<	checkCompletedWithWrappedCFException(g);
535	<	assertFalse(r.ran);
536	<	}
537	<
538	<	/**
539	<	* thenRun result completes exceptionally if action does
540	<	*/
541	<	public void testThenRun3() {
542	<	CompletableFuture<Integer> f;
543	<	CompletableFuture<Void> g;
544	<	FailingNoop r;
545	<
546	<	f = new CompletableFuture<>();
547	<	g = f.thenRun(r = new FailingNoop());
548	<	f.complete(null);
549	<	checkCompletedWithWrappedCFException(g);
550	<
551	<	f = new CompletableFuture<>();
552	<	f.complete(null);
553	<	g = f.thenRun(r = new FailingNoop());
554	<	checkCompletedWithWrappedCFException(g);
555	<	}
556	<
557	<	/**
558	<	* thenRun result completes exceptionally if source cancelled
559	<	*/
560	<	public void testThenRun4() {
561	<	CompletableFuture<Integer> f;
562	<	CompletableFuture<Void> g;
563	<	Noop r;
564	<
565	<	f = new CompletableFuture<>();
566	<	g = f.thenRun(r = new Noop());
567	<	assertTrue(f.cancel(true));
568	<	checkCompletedWithWrappedCancellationException(g);
569	<
570	<	f = new CompletableFuture<>();
571	<	assertTrue(f.cancel(true));
572	<	g = f.thenRun(r = new Noop());
573	<	checkCompletedWithWrappedCancellationException(g);
574	<	}
575	<
576	<	/**
577	<	* thenApply result completes normally after normal completion of source
578	<	*/
579	<	public void testThenApply() {
580	<	CompletableFuture<Integer> f = new CompletableFuture<>();
581	<	CompletableFuture<Integer> g = f.thenApply(inc);
582	<	f.complete(one);
583	<	checkCompletedNormally(g, two);
584	<	}
585	<
586	<	/**
587	<	* thenApply result completes exceptionally after exceptional
588	<	* completion of source
589	<	*/
590	<	public void testThenApply2() {
591	<	CompletableFuture<Integer> f = new CompletableFuture<>();
592	<	CompletableFuture<Integer> g = f.thenApply(inc);
593	<	f.completeExceptionally(new CFException());
594	<	checkCompletedWithWrappedCFException(g);
595	<	}
596	<
597	<	/**
598	<	* thenApply result completes exceptionally if action does
599	<	*/
600	<	public void testThenApply3() {
601	<	CompletableFuture<Integer> f = new CompletableFuture<>();
602	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
603	<	f.complete(one);
604	<	checkCompletedWithWrappedCFException(g);
605	<	}
606	<
607	<	/**
608	<	* thenApply result completes exceptionally if source cancelled
609	<	*/
610	<	public void testThenApply4() {
611	<	CompletableFuture<Integer> f = new CompletableFuture<>();
612	<	CompletableFuture<Integer> g = f.thenApply(inc);
613	<	assertTrue(f.cancel(true));
614	<	checkCompletedWithWrappedCancellationException(g);
615	<	}
616	<
617	<	/**
618	<	* thenAccept result completes normally after normal completion of source
619	<	*/
620	<	public void testThenAccept() {
621	<	CompletableFuture<Integer> f = new CompletableFuture<>();
622	<	IncAction r = new IncAction();
623	<	CompletableFuture<Void> g = f.thenAccept(r);
624	<	f.complete(one);
625	<	checkCompletedNormally(g, null);
626	<	assertEquals(r.value, 2);
434	>	static class IncFunction extends CheckedIntegerAction
435	>	implements Function<Integer,Integer>
436	>	{
437	>	IncFunction(ExecutionMode m) { super(m); }
438	>	public Integer apply(Integer x) {
439	>	invoked();
440	>	return value = inc(x);
441	>	}
442		}
443
444	<	/**
445	<	* thenAccept result completes exceptionally after exceptional
446	<	* completion of source
447	<	*/
448	<	public void testThenAccept2() {
449	<	CompletableFuture<Integer> f = new CompletableFuture<>();
635	<	IncAction r = new IncAction();
636	<	CompletableFuture<Void> g = f.thenAccept(r);
637	<	f.completeExceptionally(new CFException());
638	<	checkCompletedWithWrappedCFException(g);
444	>	// Choose non-commutative actions for better coverage
445	>	// A non-commutative function that handles and produces null values as well.
446	>	static Integer subtract(Integer x, Integer y) {
447	>	return (x == null && y == null) ? null :
448	>	((x == null) ? 42 : x.intValue())
449	>	- ((y == null) ? 99 : y.intValue());
450		}
451
452	<	/**
453	<	* thenAccept result completes exceptionally if action does
454	<	*/
455	<	public void testThenAccept3() {
456	<	CompletableFuture<Integer> f = new CompletableFuture<>();
457	<	FailingConsumer r = new FailingConsumer();
458	<	CompletableFuture<Void> g = f.thenAccept(r);
459	<	f.complete(one);
649	<	checkCompletedWithWrappedCFException(g);
650	<	assertTrue(r.ran);
452	>	static class SubtractAction extends CheckedIntegerAction
453	>	implements BiConsumer<Integer, Integer>
454	>	{
455	>	SubtractAction(ExecutionMode m) { super(m); }
456	>	public void accept(Integer x, Integer y) {
457	>	invoked();
458	>	value = subtract(x, y);
459	>	}
460		}
461
462	<	/**
463	<	* thenAccept result completes exceptionally if source cancelled
464	<	*/
465	<	public void testThenAccept4() {
466	<	CompletableFuture<Integer> f = new CompletableFuture<>();
467	<	IncAction r = new IncAction();
468	<	CompletableFuture<Void> g = f.thenAccept(r);
469	<	assertTrue(f.cancel(true));
661	<	checkCompletedWithWrappedCancellationException(g);
462	>	static class SubtractFunction extends CheckedIntegerAction
463	>	implements BiFunction<Integer, Integer, Integer>
464	>	{
465	>	SubtractFunction(ExecutionMode m) { super(m); }
466	>	public Integer apply(Integer x, Integer y) {
467	>	invoked();
468	>	return value = subtract(x, y);
469	>	}
470		}
471
472	<	/**
473	<	* thenCombine result completes normally after normal completion
474	<	* of sources
475	<	*/
476	<	public void testThenCombine() {
669	<	CompletableFuture<Integer> f, g, h;
670	<
671	<	f = new CompletableFuture<>();
672	<	g = new CompletableFuture<>();
673	<	h = f.thenCombine(g, subtract);
674	<	f.complete(3);
675	<	checkIncomplete(h);
676	<	g.complete(1);
677	<	checkCompletedNormally(h, 2);
678	<
679	<	f = new CompletableFuture<>();
680	<	g = new CompletableFuture<>();
681	<	h = f.thenCombine(g, subtract);
682	<	g.complete(1);
683	<	checkIncomplete(h);
684	<	f.complete(3);
685	<	checkCompletedNormally(h, 2);
686	<
687	<	f = new CompletableFuture<>();
688	<	g = new CompletableFuture<>();
689	<	g.complete(1);
690	<	f.complete(3);
691	<	h = f.thenCombine(g, subtract);
692	<	checkCompletedNormally(h, 2);
472	>	static class Noop extends CheckedAction implements Runnable {
473	>	Noop(ExecutionMode m) { super(m); }
474	>	public void run() {
475	>	invoked();
476	>	}
477		}
478
479	<	/**
480	<	* thenCombine result completes exceptionally after exceptional
481	<	* completion of either source
482	<	*/
483	<	public void testThenCombine2() {
484	<	CompletableFuture<Integer> f, g, h;
485	<
486	<	f = new CompletableFuture<>();
487	<	g = new CompletableFuture<>();
704	<	h = f.thenCombine(g, subtract);
705	<	f.completeExceptionally(new CFException());
706	<	checkIncomplete(h);
707	<	g.complete(1);
708	<	checkCompletedWithWrappedCFException(h);
709	<
710	<	f = new CompletableFuture<>();
711	<	g = new CompletableFuture<>();
712	<	h = f.thenCombine(g, subtract);
713	<	g.completeExceptionally(new CFException());
714	<	checkIncomplete(h);
715	<	f.complete(3);
716	<	checkCompletedWithWrappedCFException(h);
717	<
718	<	f = new CompletableFuture<>();
719	<	g = new CompletableFuture<>();
720	<	f.complete(3);
721	<	g.completeExceptionally(new CFException());
722	<	h = f.thenCombine(g, subtract);
723	<	checkCompletedWithWrappedCFException(h);
724	<
725	<	f = new CompletableFuture<>();
726	<	g = new CompletableFuture<>();
727	<	f.completeExceptionally(new CFException());
728	<	g.complete(3);
729	<	h = f.thenCombine(g, subtract);
730	<	checkCompletedWithWrappedCFException(h);
479	>	static class FailingSupplier extends CheckedAction
480	>	implements Supplier<Integer>
481	>	{
482	>	final CFException ex;
483	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
484	>	public Integer get() {
485	>	invoked();
486	>	throw ex;
487	>	}
488		}
489
490	<	/**
491	<	* thenCombine result completes exceptionally if action does
492	<	*/
493	<	public void testThenCombine3() {
494	<	CompletableFuture<Integer> f = new CompletableFuture<>();
495	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
496	<	FailingBiFunction r = new FailingBiFunction();
497	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
498	<	f.complete(one);
499	<	checkIncomplete(g);
743	<	assertFalse(r.ran);
744	<	f2.complete(two);
745	<	checkCompletedWithWrappedCFException(g);
746	<	assertTrue(r.ran);
490	>	static class FailingConsumer extends CheckedIntegerAction
491	>	implements Consumer<Integer>
492	>	{
493	>	final CFException ex;
494	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
495	>	public void accept(Integer x) {
496	>	invoked();
497	>	value = x;
498	>	throw ex;
499	>	}
500		}
501
502	<	/**
503	<	* thenCombine result completes exceptionally if either source cancelled
504	<	*/
505	<	public void testThenCombine4() {
506	<	CompletableFuture<Integer> f, g, h;
507	<
508	<	f = new CompletableFuture<>();
509	<	g = new CompletableFuture<>();
510	<	h = f.thenCombine(g, subtract);
511	<	assertTrue(f.cancel(true));
759	<	checkIncomplete(h);
760	<	g.complete(1);
761	<	checkCompletedWithWrappedCancellationException(h);
762	<
763	<	f = new CompletableFuture<>();
764	<	g = new CompletableFuture<>();
765	<	h = f.thenCombine(g, subtract);
766	<	assertTrue(g.cancel(true));
767	<	checkIncomplete(h);
768	<	f.complete(3);
769	<	checkCompletedWithWrappedCancellationException(h);
770	<
771	<	f = new CompletableFuture<>();
772	<	g = new CompletableFuture<>();
773	<	assertTrue(f.cancel(true));
774	<	assertTrue(g.cancel(true));
775	<	h = f.thenCombine(g, subtract);
776	<	checkCompletedWithWrappedCancellationException(h);
502	>	static class FailingBiConsumer extends CheckedIntegerAction
503	>	implements BiConsumer<Integer, Integer>
504	>	{
505	>	final CFException ex;
506	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
507	>	public void accept(Integer x, Integer y) {
508	>	invoked();
509	>	value = subtract(x, y);
510	>	throw ex;
511	>	}
512		}
513
514	<	/**
515	<	* thenAcceptBoth result completes normally after normal
516	<	* completion of sources
517	<	*/
518	<	public void testThenAcceptBoth() {
519	<	CompletableFuture<Integer> f, g;
520	<	CompletableFuture<Void> h;
521	<	SubtractAction r;
522	<
523	<	f = new CompletableFuture<>();
789	<	g = new CompletableFuture<>();
790	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
791	<	f.complete(3);
792	<	checkIncomplete(h);
793	<	g.complete(1);
794	<	checkCompletedNormally(h, null);
795	<	assertEquals(r.value, 2);
796	<
797	<	f = new CompletableFuture<>();
798	<	g = new CompletableFuture<>();
799	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
800	<	g.complete(1);
801	<	checkIncomplete(h);
802	<	f.complete(3);
803	<	checkCompletedNormally(h, null);
804	<	assertEquals(r.value, 2);
805	<
806	<	f = new CompletableFuture<>();
807	<	g = new CompletableFuture<>();
808	<	g.complete(1);
809	<	f.complete(3);
810	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
811	<	checkCompletedNormally(h, null);
812	<	assertEquals(r.value, 2);
514	>	static class FailingFunction extends CheckedIntegerAction
515	>	implements Function<Integer, Integer>
516	>	{
517	>	final CFException ex;
518	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
519	>	public Integer apply(Integer x) {
520	>	invoked();
521	>	value = x;
522	>	throw ex;
523	>	}
524		}
525
526	<	/**
527	<	* thenAcceptBoth result completes exceptionally after exceptional
528	<	* completion of either source
529	<	*/
530	<	public void testThenAcceptBoth2() {
531	<	CompletableFuture<Integer> f, g;
532	<	CompletableFuture<Void> h;
533	<	SubtractAction r;
534	<
535	<	f = new CompletableFuture<>();
825	<	g = new CompletableFuture<>();
826	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
827	<	f.completeExceptionally(new CFException());
828	<	checkIncomplete(h);
829	<	g.complete(1);
830	<	checkCompletedWithWrappedCFException(h);
831	<
832	<	f = new CompletableFuture<>();
833	<	g = new CompletableFuture<>();
834	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
835	<	g.completeExceptionally(new CFException());
836	<	checkIncomplete(h);
837	<	f.complete(3);
838	<	checkCompletedWithWrappedCFException(h);
839	<
840	<	f = new CompletableFuture<>();
841	<	g = new CompletableFuture<>();
842	<	f.complete(3);
843	<	g.completeExceptionally(new CFException());
844	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
845	<	checkCompletedWithWrappedCFException(h);
846	<
847	<	f = new CompletableFuture<>();
848	<	g = new CompletableFuture<>();
849	<	f.completeExceptionally(new CFException());
850	<	g.complete(3);
851	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
852	<	checkCompletedWithWrappedCFException(h);
526	>	static class FailingBiFunction extends CheckedIntegerAction
527	>	implements BiFunction<Integer, Integer, Integer>
528	>	{
529	>	final CFException ex;
530	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
531	>	public Integer apply(Integer x, Integer y) {
532	>	invoked();
533	>	value = subtract(x, y);
534	>	throw ex;
535	>	}
536		}
537
538	<	/**
539	<	* thenAcceptBoth result completes exceptionally if action does
540	<	*/
541	<	public void testThenAcceptBoth3() {
542	<	CompletableFuture<Integer> f, g;
543	<	CompletableFuture<Void> h;
544	<	FailingBiConsumer r;
862	<
863	<	f = new CompletableFuture<>();
864	<	g = new CompletableFuture<>();
865	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
866	<	f.complete(3);
867	<	checkIncomplete(h);
868	<	g.complete(1);
869	<	checkCompletedWithWrappedCFException(h);
870	<
871	<	f = new CompletableFuture<>();
872	<	g = new CompletableFuture<>();
873	<	f.complete(3);
874	<	g.complete(1);
875	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
876	<	checkCompletedWithWrappedCFException(h);
538	>	static class FailingRunnable extends CheckedAction implements Runnable {
539	>	final CFException ex;
540	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
541	>	public void run() {
542	>	invoked();
543	>	throw ex;
544	>	}
545		}
546
547	<	/**
548	<	* thenAcceptBoth result completes exceptionally if either source cancelled
549	<	*/
550	<	public void testThenAcceptBoth4() {
551	<	CompletableFuture<Integer> f, g;
552	<	CompletableFuture<Void> h;
553	<	SubtractAction r;
554	<
555	<	f = new CompletableFuture<>();
556	<	g = new CompletableFuture<>();
557	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
890	<	assertTrue(f.cancel(true));
891	<	checkIncomplete(h);
892	<	g.complete(1);
893	<	checkCompletedWithWrappedCancellationException(h);
894	<
895	<	f = new CompletableFuture<>();
896	<	g = new CompletableFuture<>();
897	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
898	<	assertTrue(g.cancel(true));
899	<	checkIncomplete(h);
900	<	f.complete(3);
901	<	checkCompletedWithWrappedCancellationException(h);
902	<
903	<	f = new CompletableFuture<>();
904	<	g = new CompletableFuture<>();
905	<	f.complete(3);
906	<	assertTrue(g.cancel(true));
907	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
908	<	checkCompletedWithWrappedCancellationException(h);
909	<
910	<	f = new CompletableFuture<>();
911	<	g = new CompletableFuture<>();
912	<	assertTrue(f.cancel(true));
913	<	g.complete(3);
914	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
915	<	checkCompletedWithWrappedCancellationException(h);
547	>	static class CompletableFutureInc extends CheckedIntegerAction
548	>	implements Function<Integer, CompletableFuture<Integer>>
549	>	{
550	>	CompletableFutureInc(ExecutionMode m) { super(m); }
551	>	public CompletableFuture<Integer> apply(Integer x) {
552	>	invoked();
553	>	value = x;
554	>	CompletableFuture<Integer> f = new CompletableFuture<>();
555	>	assertTrue(f.complete(inc(x)));
556	>	return f;
557	>	}
558		}
559
560	<	/**
561	<	* runAfterBoth result completes normally after normal
562	<	* completion of sources
563	<	*/
564	<	public void testRunAfterBoth() {
565	<	CompletableFuture<Integer> f, g;
566	<	CompletableFuture<Void> h;
567	<	Noop r;
568	<
569	<	f = new CompletableFuture<>();
928	<	g = new CompletableFuture<>();
929	<	h = f.runAfterBoth(g, r = new Noop());
930	<	f.complete(3);
931	<	checkIncomplete(h);
932	<	g.complete(1);
933	<	checkCompletedNormally(h, null);
934	<	assertTrue(r.ran);
935	<
936	<	f = new CompletableFuture<>();
937	<	g = new CompletableFuture<>();
938	<	h = f.runAfterBoth(g, r = new Noop());
939	<	g.complete(1);
940	<	checkIncomplete(h);
941	<	f.complete(3);
942	<	checkCompletedNormally(h, null);
943	<	assertTrue(r.ran);
944	<
945	<	f = new CompletableFuture<>();
946	<	g = new CompletableFuture<>();
947	<	g.complete(1);
948	<	f.complete(3);
949	<	h = f.runAfterBoth(g, r = new Noop());
950	<	checkCompletedNormally(h, null);
951	<	assertTrue(r.ran);
560	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
561	>	implements Function<Integer, CompletableFuture<Integer>>
562	>	{
563	>	final CFException ex;
564	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
565	>	public CompletableFuture<Integer> apply(Integer x) {
566	>	invoked();
567	>	value = x;
568	>	throw ex;
569	>	}
570		}
571
572	<	/**
573	<	* runAfterBoth result completes exceptionally after exceptional
574	<	* completion of either source
575	<	*/
576	<	public void testRunAfterBoth2() {
577	<	CompletableFuture<Integer> f, g;
578	<	CompletableFuture<Void> h;
961	<	Noop r;
962	<
963	<	f = new CompletableFuture<>();
964	<	g = new CompletableFuture<>();
965	<	h = f.runAfterBoth(g, r = new Noop());
966	<	f.completeExceptionally(new CFException());
967	<	checkIncomplete(h);
968	<	g.complete(1);
969	<	checkCompletedWithWrappedCFException(h);
970	<	assertFalse(r.ran);
971	<
972	<	f = new CompletableFuture<>();
973	<	g = new CompletableFuture<>();
974	<	h = f.runAfterBoth(g, r = new Noop());
975	<	g.completeExceptionally(new CFException());
976	<	checkIncomplete(h);
977	<	f.complete(3);
978	<	checkCompletedWithWrappedCFException(h);
979	<	assertFalse(r.ran);
980	<
981	<	f = new CompletableFuture<>();
982	<	g = new CompletableFuture<>();
983	<	g.completeExceptionally(new CFException());
984	<	f.complete(3);
985	<	h = f.runAfterBoth(g, r = new Noop());
986	<	checkCompletedWithWrappedCFException(h);
987	<	assertFalse(r.ran);
988	<
989	<	f = new CompletableFuture<>();
990	<	g = new CompletableFuture<>();
991	<	f.completeExceptionally(new CFException());
992	<	g.complete(1);
993	<	h = f.runAfterBoth(g, r = new Noop());
994	<	checkCompletedWithWrappedCFException(h);
995	<	assertFalse(r.ran);
572	>	static class CountingRejectingExecutor implements Executor {
573	>	final RejectedExecutionException ex = new RejectedExecutionException();
574	>	final AtomicInteger count = new AtomicInteger(0);
575	>	public void execute(Runnable r) {
576	>	count.getAndIncrement();
577	>	throw ex;
578	>	}
579		}
580
581	<	/**
582	<	* runAfterBoth result completes exceptionally if action does
583	<	*/
584	<	public void testRunAfterBoth3() {
585	<	CompletableFuture<Integer> f = new CompletableFuture<>();
586	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
587	<	FailingNoop r = new FailingNoop();
1005	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1006	<	f.complete(one);
1007	<	checkIncomplete(g);
1008	<	f2.complete(two);
1009	<	checkCompletedWithWrappedCFException(g);
1010	<	}
581	>	// Used for explicit executor tests
582	>	static final class ThreadExecutor implements Executor {
583	>	final AtomicInteger count = new AtomicInteger(0);
584	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
585	>	static boolean startedCurrentThread() {
586	>	return Thread.currentThread().getThreadGroup() == tg;
587	>	}
588
589	<	/**
590	<	* runAfterBoth result completes exceptionally if either source cancelled
591	<	*/
592	<	public void testRunAfterBoth4() {
1016	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1017	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1018	<	Noop r = new Noop();
1019	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1020	<	assertTrue(f.cancel(true));
1021	<	f2.complete(two);
1022	<	checkCompletedWithWrappedCancellationException(g);
1023	<	f = new CompletableFuture<>();
1024	<	f2 = new CompletableFuture<>();
1025	<	r = new Noop();
1026	<	g = f.runAfterBoth(f2, r);
1027	<	f.complete(one);
1028	<	assertTrue(f2.cancel(true));
1029	<	checkCompletedWithWrappedCancellationException(g);
589	>	public void execute(Runnable r) {
590	>	count.getAndIncrement();
591	>	new Thread(tg, r).start();
592	>	}
593		}
594
595	<	/**
596	<	* applyToEither result completes normally after normal completion
1034	<	* of either source
1035	<	*/
1036	<	public void testApplyToEither() {
1037	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1038	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1039	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1040	<	f.complete(one);
1041	<	checkCompletedNormally(g, two);
1042	<	f2.complete(one);
1043	<	checkCompletedNormally(g, two);
1044	<
1045	<	f = new CompletableFuture<>();
1046	<	f.complete(one);
1047	<	f2 = new CompletableFuture<>();
1048	<	g = f.applyToEither(f2, inc);
1049	<	checkCompletedNormally(g, two);
1050	<	}
595	>	static final boolean defaultExecutorIsCommonPool
596	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
597
598		/**
599	<	* applyToEither result completes exceptionally after exceptional
600	<	* completion of either source
599	>	* Permits the testing of parallel code for the 3 different
600	>	* execution modes without copy/pasting all the test methods.
601		*/
602	<	public void testApplyToEither2() {
603	<	CompletableFuture<Integer> f = new CompletableFuture<>();
604	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
605	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
606	<	f.completeExceptionally(new CFException());
607	<	f2.complete(one);
608	<	checkCompletedWithWrappedCFException(g);
602	>	enum ExecutionMode {
603	>	SYNC {
604	>	public void checkExecutionMode() {
605	>	assertFalse(ThreadExecutor.startedCurrentThread());
606	>	assertNull(ForkJoinTask.getPool());
607	>	}
608	>	public CompletableFuture<Void> runAsync(Runnable a) {
609	>	throw new UnsupportedOperationException();
610	>	}
611	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
612	>	throw new UnsupportedOperationException();
613	>	}
614	>	public <T> CompletableFuture<Void> thenRun
615	>	(CompletableFuture<T> f, Runnable a) {
616	>	return f.thenRun(a);
617	>	}
618	>	public <T> CompletableFuture<Void> thenAccept
619	>	(CompletableFuture<T> f, Consumer<? super T> a) {
620	>	return f.thenAccept(a);
621	>	}
622	>	public <T,U> CompletableFuture<U> thenApply
623	>	(CompletableFuture<T> f, Function<? super T,U> a) {
624	>	return f.thenApply(a);
625	>	}
626	>	public <T,U> CompletableFuture<U> thenCompose
627	>	(CompletableFuture<T> f,
628	>	Function<? super T,? extends CompletionStage<U>> a) {
629	>	return f.thenCompose(a);
630	>	}
631	>	public <T,U> CompletableFuture<U> handle
632	>	(CompletableFuture<T> f,
633	>	BiFunction<? super T,Throwable,? extends U> a) {
634	>	return f.handle(a);
635	>	}
636	>	public <T> CompletableFuture<T> whenComplete
637	>	(CompletableFuture<T> f,
638	>	BiConsumer<? super T,? super Throwable> a) {
639	>	return f.whenComplete(a);
640	>	}
641	>	public <T,U> CompletableFuture<Void> runAfterBoth
642	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
643	>	return f.runAfterBoth(g, a);
644	>	}
645	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
646	>	(CompletableFuture<T> f,
647	>	CompletionStage<? extends U> g,
648	>	BiConsumer<? super T,? super U> a) {
649	>	return f.thenAcceptBoth(g, a);
650	>	}
651	>	public <T,U,V> CompletableFuture<V> thenCombine
652	>	(CompletableFuture<T> f,
653	>	CompletionStage<? extends U> g,
654	>	BiFunction<? super T,? super U,? extends V> a) {
655	>	return f.thenCombine(g, a);
656	>	}
657	>	public <T> CompletableFuture<Void> runAfterEither
658	>	(CompletableFuture<T> f,
659	>	CompletionStage<?> g,
660	>	java.lang.Runnable a) {
661	>	return f.runAfterEither(g, a);
662	>	}
663	>	public <T> CompletableFuture<Void> acceptEither
664	>	(CompletableFuture<T> f,
665	>	CompletionStage<? extends T> g,
666	>	Consumer<? super T> a) {
667	>	return f.acceptEither(g, a);
668	>	}
669	>	public <T,U> CompletableFuture<U> applyToEither
670	>	(CompletableFuture<T> f,
671	>	CompletionStage<? extends T> g,
672	>	Function<? super T,U> a) {
673	>	return f.applyToEither(g, a);
674	>	}
675	>	},
676
677	<	f = new CompletableFuture<>();
678	<	f2 = new CompletableFuture<>();
679	<	f2.completeExceptionally(new CFException());
680	<	g = f.applyToEither(f2, inc);
681	<	checkCompletedWithWrappedCFException(g);
682	<	}
677	>	ASYNC {
678	>	public void checkExecutionMode() {
679	>	assertEquals(defaultExecutorIsCommonPool,
680	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
681	>	}
682	>	public CompletableFuture<Void> runAsync(Runnable a) {
683	>	return CompletableFuture.runAsync(a);
684	>	}
685	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
686	>	return CompletableFuture.supplyAsync(a);
687	>	}
688	>	public <T> CompletableFuture<Void> thenRun
689	>	(CompletableFuture<T> f, Runnable a) {
690	>	return f.thenRunAsync(a);
691	>	}
692	>	public <T> CompletableFuture<Void> thenAccept
693	>	(CompletableFuture<T> f, Consumer<? super T> a) {
694	>	return f.thenAcceptAsync(a);
695	>	}
696	>	public <T,U> CompletableFuture<U> thenApply
697	>	(CompletableFuture<T> f, Function<? super T,U> a) {
698	>	return f.thenApplyAsync(a);
699	>	}
700	>	public <T,U> CompletableFuture<U> thenCompose
701	>	(CompletableFuture<T> f,
702	>	Function<? super T,? extends CompletionStage<U>> a) {
703	>	return f.thenComposeAsync(a);
704	>	}
705	>	public <T,U> CompletableFuture<U> handle
706	>	(CompletableFuture<T> f,
707	>	BiFunction<? super T,Throwable,? extends U> a) {
708	>	return f.handleAsync(a);
709	>	}
710	>	public <T> CompletableFuture<T> whenComplete
711	>	(CompletableFuture<T> f,
712	>	BiConsumer<? super T,? super Throwable> a) {
713	>	return f.whenCompleteAsync(a);
714	>	}
715	>	public <T,U> CompletableFuture<Void> runAfterBoth
716	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
717	>	return f.runAfterBothAsync(g, a);
718	>	}
719	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
720	>	(CompletableFuture<T> f,
721	>	CompletionStage<? extends U> g,
722	>	BiConsumer<? super T,? super U> a) {
723	>	return f.thenAcceptBothAsync(g, a);
724	>	}
725	>	public <T,U,V> CompletableFuture<V> thenCombine
726	>	(CompletableFuture<T> f,
727	>	CompletionStage<? extends U> g,
728	>	BiFunction<? super T,? super U,? extends V> a) {
729	>	return f.thenCombineAsync(g, a);
730	>	}
731	>	public <T> CompletableFuture<Void> runAfterEither
732	>	(CompletableFuture<T> f,
733	>	CompletionStage<?> g,
734	>	java.lang.Runnable a) {
735	>	return f.runAfterEitherAsync(g, a);
736	>	}
737	>	public <T> CompletableFuture<Void> acceptEither
738	>	(CompletableFuture<T> f,
739	>	CompletionStage<? extends T> g,
740	>	Consumer<? super T> a) {
741	>	return f.acceptEitherAsync(g, a);
742	>	}
743	>	public <T,U> CompletableFuture<U> applyToEither
744	>	(CompletableFuture<T> f,
745	>	CompletionStage<? extends T> g,
746	>	Function<? super T,U> a) {
747	>	return f.applyToEitherAsync(g, a);
748	>	}
749	>	},
750
751	<	/**
752	<	* applyToEither result completes exceptionally if action does
753	<	*/
754	<	public void testApplyToEither3() {
755	<	CompletableFuture<Integer> f = new CompletableFuture<>();
756	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
757	<	FailingFunction r = new FailingFunction();
758	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
759	<	f2.complete(two);
760	<	checkCompletedWithWrappedCFException(g);
761	<	}
751	>	EXECUTOR {
752	>	public void checkExecutionMode() {
753	>	assertTrue(ThreadExecutor.startedCurrentThread());
754	>	}
755	>	public CompletableFuture<Void> runAsync(Runnable a) {
756	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
757	>	}
758	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
759	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
760	>	}
761	>	public <T> CompletableFuture<Void> thenRun
762	>	(CompletableFuture<T> f, Runnable a) {
763	>	return f.thenRunAsync(a, new ThreadExecutor());
764	>	}
765	>	public <T> CompletableFuture<Void> thenAccept
766	>	(CompletableFuture<T> f, Consumer<? super T> a) {
767	>	return f.thenAcceptAsync(a, new ThreadExecutor());
768	>	}
769	>	public <T,U> CompletableFuture<U> thenApply
770	>	(CompletableFuture<T> f, Function<? super T,U> a) {
771	>	return f.thenApplyAsync(a, new ThreadExecutor());
772	>	}
773	>	public <T,U> CompletableFuture<U> thenCompose
774	>	(CompletableFuture<T> f,
775	>	Function<? super T,? extends CompletionStage<U>> a) {
776	>	return f.thenComposeAsync(a, new ThreadExecutor());
777	>	}
778	>	public <T,U> CompletableFuture<U> handle
779	>	(CompletableFuture<T> f,
780	>	BiFunction<? super T,Throwable,? extends U> a) {
781	>	return f.handleAsync(a, new ThreadExecutor());
782	>	}
783	>	public <T> CompletableFuture<T> whenComplete
784	>	(CompletableFuture<T> f,
785	>	BiConsumer<? super T,? super Throwable> a) {
786	>	return f.whenCompleteAsync(a, new ThreadExecutor());
787	>	}
788	>	public <T,U> CompletableFuture<Void> runAfterBoth
789	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
790	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
791	>	}
792	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
793	>	(CompletableFuture<T> f,
794	>	CompletionStage<? extends U> g,
795	>	BiConsumer<? super T,? super U> a) {
796	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
797	>	}
798	>	public <T,U,V> CompletableFuture<V> thenCombine
799	>	(CompletableFuture<T> f,
800	>	CompletionStage<? extends U> g,
801	>	BiFunction<? super T,? super U,? extends V> a) {
802	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
803	>	}
804	>	public <T> CompletableFuture<Void> runAfterEither
805	>	(CompletableFuture<T> f,
806	>	CompletionStage<?> g,
807	>	java.lang.Runnable a) {
808	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
809	>	}
810	>	public <T> CompletableFuture<Void> acceptEither
811	>	(CompletableFuture<T> f,
812	>	CompletionStage<? extends T> g,
813	>	Consumer<? super T> a) {
814	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
815	>	}
816	>	public <T,U> CompletableFuture<U> applyToEither
817	>	(CompletableFuture<T> f,
818	>	CompletionStage<? extends T> g,
819	>	Function<? super T,U> a) {
820	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
821	>	}
822	>	};
823
824	<	/**
825	<	* applyToEither result completes exceptionally if either source cancelled
826	<	*/
827	<	public void testApplyToEither4() {
828	<	CompletableFuture<Integer> f = new CompletableFuture<>();
829	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
830	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
831	<	assertTrue(f.cancel(true));
832	<	checkCompletedWithWrappedCancellationException(g);
833	<	f = new CompletableFuture<>();
834	<	f2 = new CompletableFuture<>();
835	<	assertTrue(f2.cancel(true));
836	<	checkCompletedWithWrappedCancellationException(g);
837	<	}
824	>	public abstract void checkExecutionMode();
825	>	public abstract CompletableFuture<Void> runAsync(Runnable a);
826	>	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
827	>	public abstract <T> CompletableFuture<Void> thenRun
828	>	(CompletableFuture<T> f, Runnable a);
829	>	public abstract <T> CompletableFuture<Void> thenAccept
830	>	(CompletableFuture<T> f, Consumer<? super T> a);
831	>	public abstract <T,U> CompletableFuture<U> thenApply
832	>	(CompletableFuture<T> f, Function<? super T,U> a);
833	>	public abstract <T,U> CompletableFuture<U> thenCompose
834	>	(CompletableFuture<T> f,
835	>	Function<? super T,? extends CompletionStage<U>> a);
836	>	public abstract <T,U> CompletableFuture<U> handle
837	>	(CompletableFuture<T> f,
838	>	BiFunction<? super T,Throwable,? extends U> a);
839	>	public abstract <T> CompletableFuture<T> whenComplete
840	>	(CompletableFuture<T> f,
841	>	BiConsumer<? super T,? super Throwable> a);
842	>	public abstract <T,U> CompletableFuture<Void> runAfterBoth
843	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
844	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
845	>	(CompletableFuture<T> f,
846	>	CompletionStage<? extends U> g,
847	>	BiConsumer<? super T,? super U> a);
848	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
849	>	(CompletableFuture<T> f,
850	>	CompletionStage<? extends U> g,
851	>	BiFunction<? super T,? super U,? extends V> a);
852	>	public abstract <T> CompletableFuture<Void> runAfterEither
853	>	(CompletableFuture<T> f,
854	>	CompletionStage<?> g,
855	>	java.lang.Runnable a);
856	>	public abstract <T> CompletableFuture<Void> acceptEither
857	>	(CompletableFuture<T> f,
858	>	CompletionStage<? extends T> g,
859	>	Consumer<? super T> a);
860	>	public abstract <T,U> CompletableFuture<U> applyToEither
861	>	(CompletableFuture<T> f,
862	>	CompletionStage<? extends T> g,
863	>	Function<? super T,U> a);
864	>	}
865	>
866	>	/**
867	>	* exceptionally action is not invoked when source completes
868	>	* normally, and source result is propagated
869	>	*/
870	>	public void testExceptionally_normalCompletion() {
871	>	for (boolean createIncomplete : new boolean[] { true, false })
872	>	for (Integer v1 : new Integer[] { 1, null })
873	>	{
874	>	final AtomicInteger a = new AtomicInteger(0);
875	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
876	>	if (!createIncomplete) assertTrue(f.complete(v1));
877	>	final CompletableFuture<Integer> g = f.exceptionally
878	>	((Throwable t) -> {
879	>	a.getAndIncrement();
880	>	threadFail("should not be called");
881	>	return null;            // unreached
882	>	});
883	>	if (createIncomplete) assertTrue(f.complete(v1));
884	>
885	>	checkCompletedNormally(g, v1);
886	>	checkCompletedNormally(f, v1);
887	>	assertEquals(0, a.get());
888	>	}}
889
890		/**
891	<	* acceptEither result completes normally after normal completion
892	<	* of either source
891	>	* exceptionally action completes with function value on source
892	>	* exception
893		*/
894	<	public void testAcceptEither() {
895	<	CompletableFuture<Integer> f = new CompletableFuture<>();
896	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
897	<	IncAction r = new IncAction();
898	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
899	<	f.complete(one);
900	<	checkCompletedNormally(g, null);
901	<	f2.complete(one);
902	<	checkCompletedNormally(g, null);
903	<	assertEquals(r.value, 2);
904	<
905	<	r = new IncAction();
906	<	f = new CompletableFuture<>();
907	<	f.complete(one);
908	<	f2 = new CompletableFuture<>();
909	<	g = f.acceptEither(f2, r);
910	<	checkCompletedNormally(g, null);
911	<	assertEquals(r.value, 2);
912	<	}
894	>	public void testExceptionally_exceptionalCompletion() {
895	>	for (boolean createIncomplete : new boolean[] { true, false })
896	>	for (Integer v1 : new Integer[] { 1, null })
897	>	{
898	>	final AtomicInteger a = new AtomicInteger(0);
899	>	final CFException ex = new CFException();
900	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
901	>	if (!createIncomplete) f.completeExceptionally(ex);
902	>	final CompletableFuture<Integer> g = f.exceptionally
903	>	((Throwable t) -> {
904	>	ExecutionMode.SYNC.checkExecutionMode();
905	>	threadAssertSame(t, ex);
906	>	a.getAndIncrement();
907	>	return v1;
908	>	});
909	>	if (createIncomplete) f.completeExceptionally(ex);
910	>
911	>	checkCompletedNormally(g, v1);
912	>	assertEquals(1, a.get());
913	>	}}
914	>
915	>	/**
916	>	* If an "exceptionally action" throws an exception, it completes
917	>	* exceptionally with that exception
918	>	*/
919	>	public void testExceptionally_exceptionalCompletionActionFailed() {
920	>	for (boolean createIncomplete : new boolean[] { true, false })
921	>	{
922	>	final AtomicInteger a = new AtomicInteger(0);
923	>	final CFException ex1 = new CFException();
924	>	final CFException ex2 = new CFException();
925	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
926	>	if (!createIncomplete) f.completeExceptionally(ex1);
927	>	final CompletableFuture<Integer> g = f.exceptionally
928	>	((Throwable t) -> {
929	>	ExecutionMode.SYNC.checkExecutionMode();
930	>	threadAssertSame(t, ex1);
931	>	a.getAndIncrement();
932	>	throw ex2;
933	>	});
934	>	if (createIncomplete) f.completeExceptionally(ex1);
935	>
936	>	checkCompletedWithWrappedException(g, ex2);
937	>	checkCompletedExceptionally(f, ex1);
938	>	assertEquals(1, a.get());
939	>	}}
940
941		/**
942	<	* acceptEither result completes exceptionally after exceptional
943	<	* completion of either source
942	>	* whenComplete action executes on normal completion, propagating
943	>	* source result.
944		*/
945	<	public void testAcceptEither2() {
946	<	CompletableFuture<Integer> f = new CompletableFuture<>();
947	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
948	<	IncAction r = new IncAction();
949	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
950	<	f.completeExceptionally(new CFException());
951	<	f2.complete(one);
952	<	checkCompletedWithWrappedCFException(g);
953	<
954	<	r = new IncAction();
955	<	f = new CompletableFuture<>();
956	<	f2 = new CompletableFuture<>();
957	<	f2.completeExceptionally(new CFException());
958	<	g = f.acceptEither(f2, r);
959	<	checkCompletedWithWrappedCFException(g);
960	<	}
945	>	public void testWhenComplete_normalCompletion() {
946	>	for (ExecutionMode m : ExecutionMode.values())
947	>	for (boolean createIncomplete : new boolean[] { true, false })
948	>	for (Integer v1 : new Integer[] { 1, null })
949	>	{
950	>	final AtomicInteger a = new AtomicInteger(0);
951	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
952	>	if (!createIncomplete) assertTrue(f.complete(v1));
953	>	final CompletableFuture<Integer> g = m.whenComplete
954	>	(f,
955	>	(Integer result, Throwable t) -> {
956	>	m.checkExecutionMode();
957	>	threadAssertSame(result, v1);
958	>	threadAssertNull(t);
959	>	a.getAndIncrement();
960	>	});
961	>	if (createIncomplete) assertTrue(f.complete(v1));
962	>
963	>	checkCompletedNormally(g, v1);
964	>	checkCompletedNormally(f, v1);
965	>	assertEquals(1, a.get());
966	>	}}
967
968		/**
969	<	* acceptEither result completes exceptionally if action does
969	>	* whenComplete action executes on exceptional completion, propagating
970	>	* source result.
971		*/
972	<	public void testAcceptEither3() {
973	<	CompletableFuture<Integer> f = new CompletableFuture<>();
974	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
975	<	FailingConsumer r = new FailingConsumer();
976	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
977	<	f2.complete(two);
978	<	checkCompletedWithWrappedCFException(g);
979	<	}
972	>	public void testWhenComplete_exceptionalCompletion() {
973	>	for (ExecutionMode m : ExecutionMode.values())
974	>	for (boolean createIncomplete : new boolean[] { true, false })
975	>	{
976	>	final AtomicInteger a = new AtomicInteger(0);
977	>	final CFException ex = new CFException();
978	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
979	>	if (!createIncomplete) f.completeExceptionally(ex);
980	>	final CompletableFuture<Integer> g = m.whenComplete
981	>	(f,
982	>	(Integer result, Throwable t) -> {
983	>	m.checkExecutionMode();
984	>	threadAssertNull(result);
985	>	threadAssertSame(t, ex);
986	>	a.getAndIncrement();
987	>	});
988	>	if (createIncomplete) f.completeExceptionally(ex);
989	>
990	>	checkCompletedWithWrappedException(g, ex);
991	>	checkCompletedExceptionally(f, ex);
992	>	assertEquals(1, a.get());
993	>	}}
994	>
995	>	/**
996	>	* whenComplete action executes on cancelled source, propagating
997	>	* CancellationException.
998	>	*/
999	>	public void testWhenComplete_sourceCancelled() {
1000	>	for (ExecutionMode m : ExecutionMode.values())
1001	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1002	>	for (boolean createIncomplete : new boolean[] { true, false })
1003	>	{
1004	>	final AtomicInteger a = new AtomicInteger(0);
1005	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1006	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1007	>	final CompletableFuture<Integer> g = m.whenComplete
1008	>	(f,
1009	>	(Integer result, Throwable t) -> {
1010	>	m.checkExecutionMode();
1011	>	threadAssertNull(result);
1012	>	threadAssertTrue(t instanceof CancellationException);
1013	>	a.getAndIncrement();
1014	>	});
1015	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1016
1155	–	/**
1156	–	* acceptEither result completes exceptionally if either source cancelled
1157	–	*/
1158	–	public void testAcceptEither4() {
1159	–	CompletableFuture<Integer> f = new CompletableFuture<>();
1160	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1161	–	IncAction r = new IncAction();
1162	–	CompletableFuture<Void> g = f.acceptEither(f2, r);
1163	–	assertTrue(f.cancel(true));
1164	–	checkCompletedWithWrappedCancellationException(g);
1165	–	f = new CompletableFuture<>();
1166	–	f2 = new CompletableFuture<>();
1167	–	assertTrue(f2.cancel(true));
1017		checkCompletedWithWrappedCancellationException(g);
1018	<	}
1019	<
1020	<	/**
1172	<	* runAfterEither result completes normally after normal completion
1173	<	* of either source
1174	<	*/
1175	<	public void testRunAfterEither() {
1176	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1177	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1178	<	Noop r = new Noop();
1179	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1180	<	f.complete(one);
1181	<	checkCompletedNormally(g, null);
1182	<	f2.complete(one);
1183	<	checkCompletedNormally(g, null);
1184	<	assertTrue(r.ran);
1185	<
1186	<	r = new Noop();
1187	<	f = new CompletableFuture<>();
1188	<	f.complete(one);
1189	<	f2 = new CompletableFuture<>();
1190	<	g = f.runAfterEither(f2, r);
1191	<	checkCompletedNormally(g, null);
1192	<	assertTrue(r.ran);
1193	<	}
1194	<
1195	<	/**
1196	<	* runAfterEither result completes exceptionally after exceptional
1197	<	* completion of either source
1198	<	*/
1199	<	public void testRunAfterEither2() {
1200	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1201	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1202	<	Noop r = new Noop();
1203	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1204	<	f.completeExceptionally(new CFException());
1205	<	f2.complete(one);
1206	<	checkCompletedWithWrappedCFException(g);
1207	<
1208	<	r = new Noop();
1209	<	f = new CompletableFuture<>();
1210	<	f2 = new CompletableFuture<>();
1211	<	f2.completeExceptionally(new CFException());
1212	<	g = f.runAfterEither(f2, r);
1213	<	checkCompletedWithWrappedCFException(g);
1214	<	}
1215	<
1216	<	/**
1217	<	* runAfterEither result completes exceptionally if action does
1218	<	*/
1219	<	public void testRunAfterEither3() {
1220	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1221	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1222	<	FailingNoop r = new FailingNoop();
1223	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1224	<	f2.complete(two);
1225	<	checkCompletedWithWrappedCFException(g);
1226	<	}
1018	>	checkCancelled(f);
1019	>	assertEquals(1, a.get());
1020	>	}}
1021
1022		/**
1023	<	* runAfterEither result completes exceptionally if either source cancelled
1023	>	* If a whenComplete action throws an exception when triggered by
1024	>	* a normal completion, it completes exceptionally
1025		*/
1026	<	public void testRunAfterEither4() {
1027	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1028	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1029	<	Noop r = new Noop();
1030	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1031	<	assertTrue(f.cancel(true));
1032	<	checkCompletedWithWrappedCancellationException(g);
1033	<	f = new CompletableFuture<>();
1034	<	f2 = new CompletableFuture<>();
1035	<	assertTrue(f2.cancel(true));
1036	<	checkCompletedWithWrappedCancellationException(g);
1037	<	}
1026	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1027	>	for (boolean createIncomplete : new boolean[] { true, false })
1028	>	for (ExecutionMode m : ExecutionMode.values())
1029	>	for (Integer v1 : new Integer[] { 1, null })
1030	>	{
1031	>	final AtomicInteger a = new AtomicInteger(0);
1032	>	final CFException ex = new CFException();
1033	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1034	>	if (!createIncomplete) assertTrue(f.complete(v1));
1035	>	final CompletableFuture<Integer> g = m.whenComplete
1036	>	(f,
1037	>	(Integer result, Throwable t) -> {
1038	>	m.checkExecutionMode();
1039	>	threadAssertSame(result, v1);
1040	>	threadAssertNull(t);
1041	>	a.getAndIncrement();
1042	>	throw ex;
1043	>	});
1044	>	if (createIncomplete) assertTrue(f.complete(v1));
1045	>
1046	>	checkCompletedWithWrappedException(g, ex);
1047	>	checkCompletedNormally(f, v1);
1048	>	assertEquals(1, a.get());
1049	>	}}
1050
1051		/**
1052	<	* thenCompose result completes normally after normal completion of source
1052	>	* If a whenComplete action throws an exception when triggered by
1053	>	* a source completion that also throws an exception, the source
1054	>	* exception takes precedence (unlike handle)
1055		*/
1056	<	public void testThenCompose() {
1057	<	CompletableFuture<Integer> f, g;
1058	<	CompletableFutureInc r;
1059	<
1060	<	f = new CompletableFuture<>();
1061	<	g = f.thenCompose(r = new CompletableFutureInc());
1062	<	f.complete(one);
1063	<	checkCompletedNormally(g, two);
1064	<	assertTrue(r.ran);
1065	<
1066	<	f = new CompletableFuture<>();
1067	<	f.complete(one);
1068	<	g = f.thenCompose(r = new CompletableFutureInc());
1069	<	checkCompletedNormally(g, two);
1070	<	assertTrue(r.ran);
1071	<	}
1056	>	public void testWhenComplete_sourceFailedActionFailed() {
1057	>	for (boolean createIncomplete : new boolean[] { true, false })
1058	>	for (ExecutionMode m : ExecutionMode.values())
1059	>	{
1060	>	final AtomicInteger a = new AtomicInteger(0);
1061	>	final CFException ex1 = new CFException();
1062	>	final CFException ex2 = new CFException();
1063	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1064	>
1065	>	if (!createIncomplete) f.completeExceptionally(ex1);
1066	>	final CompletableFuture<Integer> g = m.whenComplete
1067	>	(f,
1068	>	(Integer result, Throwable t) -> {
1069	>	m.checkExecutionMode();
1070	>	threadAssertSame(t, ex1);
1071	>	threadAssertNull(result);
1072	>	a.getAndIncrement();
1073	>	throw ex2;
1074	>	});
1075	>	if (createIncomplete) f.completeExceptionally(ex1);
1076	>
1077	>	checkCompletedWithWrappedException(g, ex1);
1078	>	checkCompletedExceptionally(f, ex1);
1079	>	if (testImplementationDetails) {
1080	>	assertEquals(1, ex1.getSuppressed().length);
1081	>	assertSame(ex2, ex1.getSuppressed()[0]);
1082	>	}
1083	>	assertEquals(1, a.get());
1084	>	}}
1085
1086		/**
1087	<	* thenCompose result completes exceptionally after exceptional
1087	>	* handle action completes normally with function value on normal
1088		* completion of source
1089		*/
1090	<	public void testThenCompose2() {
1091	<	CompletableFuture<Integer> f, g;
1092	<	CompletableFutureInc r;
1093	<
1094	<	f = new CompletableFuture<>();
1095	<	g = f.thenCompose(r = new CompletableFutureInc());
1096	<	f.completeExceptionally(new CFException());
1097	<	checkCompletedWithWrappedCFException(g);
1098	<
1099	<	f = new CompletableFuture<>();
1100	<	f.completeExceptionally(new CFException());
1101	<	g = f.thenCompose(r = new CompletableFutureInc());
1102	<	checkCompletedWithWrappedCFException(g);
1103	<	}
1090	>	public void testHandle_normalCompletion() {
1091	>	for (ExecutionMode m : ExecutionMode.values())
1092	>	for (boolean createIncomplete : new boolean[] { true, false })
1093	>	for (Integer v1 : new Integer[] { 1, null })
1094	>	{
1095	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1096	>	final AtomicInteger a = new AtomicInteger(0);
1097	>	if (!createIncomplete) assertTrue(f.complete(v1));
1098	>	final CompletableFuture<Integer> g = m.handle
1099	>	(f,
1100	>	(Integer result, Throwable t) -> {
1101	>	m.checkExecutionMode();
1102	>	threadAssertSame(result, v1);
1103	>	threadAssertNull(t);
1104	>	a.getAndIncrement();
1105	>	return inc(v1);
1106	>	});
1107	>	if (createIncomplete) assertTrue(f.complete(v1));
1108	>
1109	>	checkCompletedNormally(g, inc(v1));
1110	>	checkCompletedNormally(f, v1);
1111	>	assertEquals(1, a.get());
1112	>	}}
1113
1114		/**
1115	<	* thenCompose result completes exceptionally if action does
1115	>	* handle action completes normally with function value on
1116	>	* exceptional completion of source
1117		*/
1118	<	public void testThenCompose3() {
1119	<	CompletableFuture<Integer> f, g;
1120	<	FailingCompletableFutureFunction r;
1121	<
1122	<	f = new CompletableFuture<>();
1123	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1124	<	f.complete(one);
1125	<	checkCompletedWithWrappedCFException(g);
1118	>	public void testHandle_exceptionalCompletion() {
1119	>	for (ExecutionMode m : ExecutionMode.values())
1120	>	for (boolean createIncomplete : new boolean[] { true, false })
1121	>	for (Integer v1 : new Integer[] { 1, null })
1122	>	{
1123	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1124	>	final AtomicInteger a = new AtomicInteger(0);
1125	>	final CFException ex = new CFException();
1126	>	if (!createIncomplete) f.completeExceptionally(ex);
1127	>	final CompletableFuture<Integer> g = m.handle
1128	>	(f,
1129	>	(Integer result, Throwable t) -> {
1130	>	m.checkExecutionMode();
1131	>	threadAssertNull(result);
1132	>	threadAssertSame(t, ex);
1133	>	a.getAndIncrement();
1134	>	return v1;
1135	>	});
1136	>	if (createIncomplete) f.completeExceptionally(ex);
1137	>
1138	>	checkCompletedNormally(g, v1);
1139	>	checkCompletedExceptionally(f, ex);
1140	>	assertEquals(1, a.get());
1141	>	}}
1142	>
1143	>	/**
1144	>	* handle action completes normally with function value on
1145	>	* cancelled source
1146	>	*/
1147	>	public void testHandle_sourceCancelled() {
1148	>	for (ExecutionMode m : ExecutionMode.values())
1149	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1150	>	for (boolean createIncomplete : new boolean[] { true, false })
1151	>	for (Integer v1 : new Integer[] { 1, null })
1152	>	{
1153	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1154	>	final AtomicInteger a = new AtomicInteger(0);
1155	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1156	>	final CompletableFuture<Integer> g = m.handle
1157	>	(f,
1158	>	(Integer result, Throwable t) -> {
1159	>	m.checkExecutionMode();
1160	>	threadAssertNull(result);
1161	>	threadAssertTrue(t instanceof CancellationException);
1162	>	a.getAndIncrement();
1163	>	return v1;
1164	>	});
1165	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1166
1167	<	f = new CompletableFuture<>();
1168	<	f.complete(one);
1169	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1170	<	checkCompletedWithWrappedCFException(g);
1299	<	}
1167	>	checkCompletedNormally(g, v1);
1168	>	checkCancelled(f);
1169	>	assertEquals(1, a.get());
1170	>	}}
1171
1172		/**
1173	<	* thenCompose result completes exceptionally if source cancelled
1173	>	* If a "handle action" throws an exception when triggered by
1174	>	* a normal completion, it completes exceptionally
1175		*/
1176	<	public void testThenCompose4() {
1177	<	CompletableFuture<Integer> f, g;
1178	<	CompletableFutureInc r;
1179	<
1180	<	f = new CompletableFuture<>();
1181	<	g = f.thenCompose(r = new CompletableFutureInc());
1182	<	assertTrue(f.cancel(true));
1183	<	checkCompletedWithWrappedCancellationException(g);
1184	<
1185	<	f = new CompletableFuture<>();
1186	<	assertTrue(f.cancel(true));
1187	<	g = f.thenCompose(r = new CompletableFutureInc());
1188	<	checkCompletedWithWrappedCancellationException(g);
1189	<	}
1190	<
1191	<	// asyncs
1176	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1177	>	for (ExecutionMode m : ExecutionMode.values())
1178	>	for (boolean createIncomplete : new boolean[] { true, false })
1179	>	for (Integer v1 : new Integer[] { 1, null })
1180	>	{
1181	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1182	>	final AtomicInteger a = new AtomicInteger(0);
1183	>	final CFException ex = new CFException();
1184	>	if (!createIncomplete) assertTrue(f.complete(v1));
1185	>	final CompletableFuture<Integer> g = m.handle
1186	>	(f,
1187	>	(Integer result, Throwable t) -> {
1188	>	m.checkExecutionMode();
1189	>	threadAssertSame(result, v1);
1190	>	threadAssertNull(t);
1191	>	a.getAndIncrement();
1192	>	throw ex;
1193	>	});
1194	>	if (createIncomplete) assertTrue(f.complete(v1));
1195	>
1196	>	checkCompletedWithWrappedException(g, ex);
1197	>	checkCompletedNormally(f, v1);
1198	>	assertEquals(1, a.get());
1199	>	}}
1200	>
1201	>	/**
1202	>	* If a "handle action" throws an exception when triggered by
1203	>	* a source completion that also throws an exception, the action
1204	>	* exception takes precedence (unlike whenComplete)
1205	>	*/
1206	>	public void testHandle_sourceFailedActionFailed() {
1207	>	for (boolean createIncomplete : new boolean[] { true, false })
1208	>	for (ExecutionMode m : ExecutionMode.values())
1209	>	{
1210	>	final AtomicInteger a = new AtomicInteger(0);
1211	>	final CFException ex1 = new CFException();
1212	>	final CFException ex2 = new CFException();
1213	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1214	>
1215	>	if (!createIncomplete) f.completeExceptionally(ex1);
1216	>	final CompletableFuture<Integer> g = m.handle
1217	>	(f,
1218	>	(Integer result, Throwable t) -> {
1219	>	m.checkExecutionMode();
1220	>	threadAssertNull(result);
1221	>	threadAssertSame(ex1, t);
1222	>	a.getAndIncrement();
1223	>	throw ex2;
1224	>	});
1225	>	if (createIncomplete) f.completeExceptionally(ex1);
1226	>
1227	>	checkCompletedWithWrappedException(g, ex2);
1228	>	checkCompletedExceptionally(f, ex1);
1229	>	assertEquals(1, a.get());
1230	>	}}
1231
1232		/**
1233	<	* thenRunAsync result completes normally after normal completion of source
1233	>	* runAsync completes after running Runnable
1234		*/
1235	<	public void testThenRunAsync() {
1236	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1237	<	Noop r = new Noop();
1238	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1239	<	f.complete(null);
1240	<	checkCompletedNormally(g, null);
1241	<
1242	<	// reordered version
1243	<	f = new CompletableFuture<>();
1244	<	f.complete(null);
1245	<	r = new Noop();
1246	<	g = f.thenRunAsync(r);
1247	<	checkCompletedNormally(g, null);
1337	<	}
1235	>	public void testRunAsync_normalCompletion() {
1236	>	ExecutionMode[] executionModes = {
1237	>	ExecutionMode.ASYNC,
1238	>	ExecutionMode.EXECUTOR,
1239	>	};
1240	>	for (ExecutionMode m : executionModes)
1241	>	{
1242	>	final Noop r = new Noop(m);
1243	>	final CompletableFuture<Void> f = m.runAsync(r);
1244	>	assertNull(f.join());
1245	>	checkCompletedNormally(f, null);
1246	>	r.assertInvoked();
1247	>	}}
1248
1249		/**
1250	<	* thenRunAsync result completes exceptionally after exceptional
1341	<	* completion of source
1250	>	* failing runAsync completes exceptionally after running Runnable
1251		*/
1252	<	public void testThenRunAsync2() {
1253	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1254	<	Noop r = new Noop();
1255	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1256	<	f.completeExceptionally(new CFException());
1252	>	public void testRunAsync_exceptionalCompletion() {
1253	>	ExecutionMode[] executionModes = {
1254	>	ExecutionMode.ASYNC,
1255	>	ExecutionMode.EXECUTOR,
1256	>	};
1257	>	for (ExecutionMode m : executionModes)
1258	>	{
1259	>	final FailingRunnable r = new FailingRunnable(m);
1260	>	final CompletableFuture<Void> f = m.runAsync(r);
1261	>	checkCompletedWithWrappedException(f, r.ex);
1262	>	r.assertInvoked();
1263	>	}}
1264	>
1265	>	@SuppressWarnings("FutureReturnValueIgnored")
1266	>	public void testRunAsync_rejectingExecutor() {
1267	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1268		try {
1269	<	g.join();
1269	>	CompletableFuture.runAsync(() -> {}, e);
1270		shouldThrow();
1271	<	} catch (CompletionException success) {}
1272	<	checkCompletedWithWrappedCFException(g);
1273	<	}
1354	<
1355	<	/**
1356	<	* thenRunAsync result completes exceptionally if action does
1357	<	*/
1358	<	public void testThenRunAsync3() {
1359	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1360	<	FailingNoop r = new FailingNoop();
1361	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1362	<	f.complete(null);
1363	<	checkCompletedWithWrappedCFException(g);
1364	<	}
1271	>	} catch (Throwable t) {
1272	>	assertSame(e.ex, t);
1273	>	}
1274
1275	<	/**
1367	<	* thenRunAsync result completes exceptionally if source cancelled
1368	<	*/
1369	<	public void testThenRunAsync4() {
1370	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1371	<	Noop r = new Noop();
1372	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1373	<	assertTrue(f.cancel(true));
1374	<	checkCompletedWithWrappedCancellationException(g);
1275	>	assertEquals(1, e.count.get());
1276		}
1277
1278		/**
1279	<	* thenApplyAsync result completes normally after normal completion of source
1279	>	* supplyAsync completes with result of supplier
1280		*/
1281	<	public void testThenApplyAsync() {
1282	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1283	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1284	<	f.complete(one);
1285	<	checkCompletedNormally(g, two);
1286	<	}
1281	>	public void testSupplyAsync_normalCompletion() {
1282	>	ExecutionMode[] executionModes = {
1283	>	ExecutionMode.ASYNC,
1284	>	ExecutionMode.EXECUTOR,
1285	>	};
1286	>	for (ExecutionMode m : executionModes)
1287	>	for (Integer v1 : new Integer[] { 1, null })
1288	>	{
1289	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1290	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1291	>	assertSame(v1, f.join());
1292	>	checkCompletedNormally(f, v1);
1293	>	r.assertInvoked();
1294	>	}}
1295
1296		/**
1297	<	* thenApplyAsync result completes exceptionally after exceptional
1389	<	* completion of source
1297	>	* Failing supplyAsync completes exceptionally
1298		*/
1299	<	public void testThenApplyAsync2() {
1300	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1301	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1302	<	f.completeExceptionally(new CFException());
1303	<	checkCompletedWithWrappedCFException(g);
1304	<	}
1299	>	public void testSupplyAsync_exceptionalCompletion() {
1300	>	ExecutionMode[] executionModes = {
1301	>	ExecutionMode.ASYNC,
1302	>	ExecutionMode.EXECUTOR,
1303	>	};
1304	>	for (ExecutionMode m : executionModes)
1305	>	{
1306	>	FailingSupplier r = new FailingSupplier(m);
1307	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1308	>	checkCompletedWithWrappedException(f, r.ex);
1309	>	r.assertInvoked();
1310	>	}}
1311	>
1312	>	@SuppressWarnings("FutureReturnValueIgnored")
1313	>	public void testSupplyAsync_rejectingExecutor() {
1314	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1315	>	try {
1316	>	CompletableFuture.supplyAsync(() -> null, e);
1317	>	shouldThrow();
1318	>	} catch (Throwable t) {
1319	>	assertSame(e.ex, t);
1320	>	}
1321
1322	<	/**
1399	<	* thenApplyAsync result completes exceptionally if action does
1400	<	*/
1401	<	public void testThenApplyAsync3() {
1402	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1403	<	FailingFunction r = new FailingFunction();
1404	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1405	<	f.complete(null);
1406	<	checkCompletedWithWrappedCFException(g);
1322	>	assertEquals(1, e.count.get());
1323		}
1324
1325	<	/**
1410	<	* thenApplyAsync result completes exceptionally if source cancelled
1411	<	*/
1412	<	public void testThenApplyAsync4() {
1413	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1414	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1415	<	assertTrue(f.cancel(true));
1416	<	checkCompletedWithWrappedCancellationException(g);
1417	<	}
1325	>	// seq completion methods
1326
1327		/**
1328	<	* thenAcceptAsync result completes normally after normal
1421	<	* completion of source
1328	>	* thenRun result completes normally after normal completion of source
1329		*/
1330	<	public void testThenAcceptAsync() {
1331	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1332	<	IncAction r = new IncAction();
1333	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1334	<	f.complete(one);
1335	<	checkCompletedNormally(g, null);
1336	<	assertEquals(r.value, 2);
1337	<	}
1330	>	public void testThenRun_normalCompletion() {
1331	>	for (ExecutionMode m : ExecutionMode.values())
1332	>	for (Integer v1 : new Integer[] { 1, null })
1333	>	{
1334	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1335	>	final Noop[] rs = new Noop[6];
1336	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1337	>
1338	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1339	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1340	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1341	>	checkIncomplete(h0);
1342	>	checkIncomplete(h1);
1343	>	checkIncomplete(h2);
1344	>	assertTrue(f.complete(v1));
1345	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1346	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1347	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1348	>
1349	>	checkCompletedNormally(h0, null);
1350	>	checkCompletedNormally(h1, null);
1351	>	checkCompletedNormally(h2, null);
1352	>	checkCompletedNormally(h3, null);
1353	>	checkCompletedNormally(h4, null);
1354	>	checkCompletedNormally(h5, null);
1355	>	checkCompletedNormally(f, v1);
1356	>	for (Noop r : rs) r.assertInvoked();
1357	>	}}
1358
1359		/**
1360	<	* thenAcceptAsync result completes exceptionally after exceptional
1360	>	* thenRun result completes exceptionally after exceptional
1361		* completion of source
1362		*/
1363	<	public void testThenAcceptAsync2() {
1364	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1365	<	IncAction r = new IncAction();
1366	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1367	<	f.completeExceptionally(new CFException());
1368	<	checkCompletedWithWrappedCFException(g);
1369	<	}
1370	<
1371	<	/**
1372	<	* thenAcceptAsync result completes exceptionally if action does
1373	<	*/
1374	<	public void testThenAcceptAsync3() {
1375	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1376	<	FailingConsumer r = new FailingConsumer();
1377	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1378	<	f.complete(null);
1379	<	checkCompletedWithWrappedCFException(g);
1380	<	}
1381	<
1382	<	/**
1383	<	* thenAcceptAsync result completes exceptionally if source cancelled
1384	<	*/
1385	<	public void testThenAcceptAsync4() {
1386	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1387	<	IncAction r = new IncAction();
1388	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1389	<	assertTrue(f.cancel(true));
1390	<	checkCompletedWithWrappedCancellationException(g);
1464	<	}
1465	<
1466	<	/**
1467	<	* thenCombineAsync result completes normally after normal
1468	<	* completion of sources
1469	<	*/
1470	<	public void testThenCombineAsync() {
1471	<	CompletableFuture<Integer> f, g, h;
1472	<
1473	<	f = new CompletableFuture<>();
1474	<	g = new CompletableFuture<>();
1475	<	h = f.thenCombineAsync(g, subtract);
1476	<	f.complete(3);
1477	<	checkIncomplete(h);
1478	<	g.complete(1);
1479	<	checkCompletedNormally(h, 2);
1480	<
1481	<	f = new CompletableFuture<>();
1482	<	g = new CompletableFuture<>();
1483	<	h = f.thenCombineAsync(g, subtract);
1484	<	g.complete(1);
1485	<	checkIncomplete(h);
1486	<	f.complete(3);
1487	<	checkCompletedNormally(h, 2);
1488	<
1489	<	f = new CompletableFuture<>();
1490	<	g = new CompletableFuture<>();
1491	<	g.complete(1);
1492	<	f.complete(3);
1493	<	h = f.thenCombineAsync(g, subtract);
1494	<	checkCompletedNormally(h, 2);
1495	<	}
1496	<
1497	<	/**
1498	<	* thenCombineAsync result completes exceptionally after exceptional
1499	<	* completion of either source
1500	<	*/
1501	<	public void testThenCombineAsync2() {
1502	<	CompletableFuture<Integer> f, g, h;
1503	<
1504	<	f = new CompletableFuture<>();
1505	<	g = new CompletableFuture<>();
1506	<	h = f.thenCombineAsync(g, subtract);
1507	<	f.completeExceptionally(new CFException());
1508	<	checkIncomplete(h);
1509	<	g.complete(1);
1510	<	checkCompletedWithWrappedCFException(h);
1511	<
1512	<	f = new CompletableFuture<>();
1513	<	g = new CompletableFuture<>();
1514	<	h = f.thenCombineAsync(g, subtract);
1515	<	g.completeExceptionally(new CFException());
1516	<	checkIncomplete(h);
1517	<	f.complete(3);
1518	<	checkCompletedWithWrappedCFException(h);
1519	<
1520	<	f = new CompletableFuture<>();
1521	<	g = new CompletableFuture<>();
1522	<	g.completeExceptionally(new CFException());
1523	<	f.complete(3);
1524	<	h = f.thenCombineAsync(g, subtract);
1525	<	checkCompletedWithWrappedCFException(h);
1526	<	}
1363	>	public void testThenRun_exceptionalCompletion() {
1364	>	for (ExecutionMode m : ExecutionMode.values())
1365	>	{
1366	>	final CFException ex = new CFException();
1367	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1368	>	final Noop[] rs = new Noop[6];
1369	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1370	>
1371	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1372	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1373	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1374	>	checkIncomplete(h0);
1375	>	checkIncomplete(h1);
1376	>	checkIncomplete(h2);
1377	>	assertTrue(f.completeExceptionally(ex));
1378	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1379	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1380	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1381	>
1382	>	checkCompletedWithWrappedException(h0, ex);
1383	>	checkCompletedWithWrappedException(h1, ex);
1384	>	checkCompletedWithWrappedException(h2, ex);
1385	>	checkCompletedWithWrappedException(h3, ex);
1386	>	checkCompletedWithWrappedException(h4, ex);
1387	>	checkCompletedWithWrappedException(h5, ex);
1388	>	checkCompletedExceptionally(f, ex);
1389	>	for (Noop r : rs) r.assertNotInvoked();
1390	>	}}
1391
1392		/**
1393	<	* thenCombineAsync result completes exceptionally if action does
1393	>	* thenRun result completes exceptionally if source cancelled
1394		*/
1395	<	public void testThenCombineAsync3() {
1396	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1397	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1398	<	FailingBiFunction r = new FailingBiFunction();
1399	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1400	<	f.complete(one);
1401	<	checkIncomplete(g);
1402	<	assertFalse(r.ran);
1403	<	f2.complete(two);
1404	<	checkCompletedWithWrappedCFException(g);
1405	<	assertTrue(r.ran);
1406	<	}
1395	>	public void testThenRun_sourceCancelled() {
1396	>	for (ExecutionMode m : ExecutionMode.values())
1397	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1398	>	{
1399	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1400	>	final Noop[] rs = new Noop[6];
1401	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1402	>
1403	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1404	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1405	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1406	>	checkIncomplete(h0);
1407	>	checkIncomplete(h1);
1408	>	checkIncomplete(h2);
1409	>	assertTrue(f.cancel(mayInterruptIfRunning));
1410	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1411	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1412	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1413	>
1414	>	checkCompletedWithWrappedCancellationException(h0);
1415	>	checkCompletedWithWrappedCancellationException(h1);
1416	>	checkCompletedWithWrappedCancellationException(h2);
1417	>	checkCompletedWithWrappedCancellationException(h3);
1418	>	checkCompletedWithWrappedCancellationException(h4);
1419	>	checkCompletedWithWrappedCancellationException(h5);
1420	>	checkCancelled(f);
1421	>	for (Noop r : rs) r.assertNotInvoked();
1422	>	}}
1423
1424		/**
1425	<	* thenCombineAsync result completes exceptionally if either source cancelled
1425	>	* thenRun result completes exceptionally if action does
1426		*/
1427	<	public void testThenCombineAsync4() {
1428	<	CompletableFuture<Integer> f, g, h;
1429	<
1430	<	f = new CompletableFuture<>();
1431	<	g = new CompletableFuture<>();
1432	<	h = f.thenCombineAsync(g, subtract);
1433	<	assertTrue(f.cancel(true));
1434	<	checkIncomplete(h);
1435	<	g.complete(1);
1436	<	checkCompletedWithWrappedCancellationException(h);
1437	<
1438	<	f = new CompletableFuture<>();
1439	<	g = new CompletableFuture<>();
1440	<	h = f.thenCombineAsync(g, subtract);
1441	<	assertTrue(g.cancel(true));
1442	<	checkIncomplete(h);
1443	<	f.complete(3);
1444	<	checkCompletedWithWrappedCancellationException(h);
1445	<
1446	<	f = new CompletableFuture<>();
1447	<	g = new CompletableFuture<>();
1448	<	g.complete(3);
1449	<	assertTrue(f.cancel(true));
1450	<	h = f.thenCombineAsync(g, subtract);
1571	<	checkCompletedWithWrappedCancellationException(h);
1572	<
1573	<	f = new CompletableFuture<>();
1574	<	g = new CompletableFuture<>();
1575	<	f.complete(3);
1576	<	assertTrue(g.cancel(true));
1577	<	h = f.thenCombineAsync(g, subtract);
1578	<	checkCompletedWithWrappedCancellationException(h);
1579	<	}
1427	>	public void testThenRun_actionFailed() {
1428	>	for (ExecutionMode m : ExecutionMode.values())
1429	>	for (Integer v1 : new Integer[] { 1, null })
1430	>	{
1431	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1432	>	final FailingRunnable[] rs = new FailingRunnable[6];
1433	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1434	>
1435	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1436	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1437	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1438	>	assertTrue(f.complete(v1));
1439	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1440	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1441	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1442	>
1443	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1444	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1445	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1446	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1447	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1448	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1449	>	checkCompletedNormally(f, v1);
1450	>	}}
1451
1452		/**
1453	<	* thenAcceptBothAsync result completes normally after normal
1583	<	* completion of sources
1453	>	* thenApply result completes normally after normal completion of source
1454		*/
1455	<	public void testThenAcceptBothAsync() {
1456	<	CompletableFuture<Integer> f, g;
1457	<	CompletableFuture<Void> h;
1458	<	SubtractAction r;
1459	<
1460	<	f = new CompletableFuture<>();
1461	<	g = new CompletableFuture<>();
1462	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1463	<	f.complete(3);
1464	<	checkIncomplete(h);
1465	<	g.complete(1);
1466	<	checkCompletedNormally(h, null);
1467	<	assertEquals(r.value, 2);
1468	<
1469	<	f = new CompletableFuture<>();
1470	<	g = new CompletableFuture<>();
1471	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1472	<	g.complete(1);
1473	<	checkIncomplete(h);
1474	<	f.complete(3);
1475	<	checkCompletedNormally(h, null);
1476	<	assertEquals(r.value, 2);
1477	<
1608	<	f = new CompletableFuture<>();
1609	<	g = new CompletableFuture<>();
1610	<	g.complete(1);
1611	<	f.complete(3);
1612	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1613	<	checkCompletedNormally(h, null);
1614	<	assertEquals(r.value, 2);
1615	<	}
1455	>	public void testThenApply_normalCompletion() {
1456	>	for (ExecutionMode m : ExecutionMode.values())
1457	>	for (Integer v1 : new Integer[] { 1, null })
1458	>	{
1459	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1460	>	final IncFunction[] rs = new IncFunction[4];
1461	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1462	>
1463	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1464	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1465	>	checkIncomplete(h0);
1466	>	checkIncomplete(h1);
1467	>	assertTrue(f.complete(v1));
1468	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1469	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1470	>
1471	>	checkCompletedNormally(h0, inc(v1));
1472	>	checkCompletedNormally(h1, inc(v1));
1473	>	checkCompletedNormally(h2, inc(v1));
1474	>	checkCompletedNormally(h3, inc(v1));
1475	>	checkCompletedNormally(f, v1);
1476	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1477	>	}}
1478
1479		/**
1480	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1480	>	* thenApply result completes exceptionally after exceptional
1481		* completion of source
1482		*/
1483	<	public void testThenAcceptBothAsync2() {
1484	<	CompletableFuture<Integer> f, g;
1485	<	CompletableFuture<Void> h;
1486	<	SubtractAction r;
1487	<
1488	<	f = new CompletableFuture<>();
1489	<	g = new CompletableFuture<>();
1490	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1491	<	f.completeExceptionally(new CFException());
1492	<	checkIncomplete(h);
1493	<	g.complete(1);
1494	<	checkCompletedWithWrappedCFException(h);
1495	<
1496	<	f = new CompletableFuture<>();
1497	<	g = new CompletableFuture<>();
1498	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1499	<	g.completeExceptionally(new CFException());
1500	<	checkIncomplete(h);
1501	<	f.complete(3);
1502	<	checkCompletedWithWrappedCFException(h);
1503	<
1642	<	f = new CompletableFuture<>();
1643	<	g = new CompletableFuture<>();
1644	<	f.complete(3);
1645	<	g.completeExceptionally(new CFException());
1646	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1647	<	checkCompletedWithWrappedCFException(h);
1648	<
1649	<	f = new CompletableFuture<>();
1650	<	g = new CompletableFuture<>();
1651	<	f.completeExceptionally(new CFException());
1652	<	g.complete(3);
1653	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1654	<	checkCompletedWithWrappedCFException(h);
1655	<	}
1483	>	public void testThenApply_exceptionalCompletion() {
1484	>	for (ExecutionMode m : ExecutionMode.values())
1485	>	{
1486	>	final CFException ex = new CFException();
1487	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1488	>	final IncFunction[] rs = new IncFunction[4];
1489	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1490	>
1491	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1492	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1493	>	assertTrue(f.completeExceptionally(ex));
1494	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1495	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1496	>
1497	>	checkCompletedWithWrappedException(h0, ex);
1498	>	checkCompletedWithWrappedException(h1, ex);
1499	>	checkCompletedWithWrappedException(h2, ex);
1500	>	checkCompletedWithWrappedException(h3, ex);
1501	>	checkCompletedExceptionally(f, ex);
1502	>	for (IncFunction r : rs) r.assertNotInvoked();
1503	>	}}
1504
1505		/**
1506	<	* thenAcceptBothAsync result completes exceptionally if action does
1506	>	* thenApply result completes exceptionally if source cancelled
1507		*/
1508	<	public void testThenAcceptBothAsync3() {
1509	<	CompletableFuture<Integer> f, g;
1510	<	CompletableFuture<Void> h;
1511	<	FailingBiConsumer r;
1512	<
1513	<	f = new CompletableFuture<>();
1514	<	g = new CompletableFuture<>();
1515	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1516	<	f.complete(3);
1517	<	checkIncomplete(h);
1518	<	g.complete(1);
1519	<	checkCompletedWithWrappedCFException(h);
1520	<
1521	<	f = new CompletableFuture<>();
1522	<	g = new CompletableFuture<>();
1523	<	f.complete(3);
1524	<	g.complete(1);
1525	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1526	<	checkCompletedWithWrappedCFException(h);
1527	<	}
1508	>	public void testThenApply_sourceCancelled() {
1509	>	for (ExecutionMode m : ExecutionMode.values())
1510	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1511	>	{
1512	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1513	>	final IncFunction[] rs = new IncFunction[4];
1514	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1515	>
1516	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1517	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1518	>	assertTrue(f.cancel(mayInterruptIfRunning));
1519	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1520	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1521	>
1522	>	checkCompletedWithWrappedCancellationException(h0);
1523	>	checkCompletedWithWrappedCancellationException(h1);
1524	>	checkCompletedWithWrappedCancellationException(h2);
1525	>	checkCompletedWithWrappedCancellationException(h3);
1526	>	checkCancelled(f);
1527	>	for (IncFunction r : rs) r.assertNotInvoked();
1528	>	}}
1529
1530		/**
1531	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
1531	>	* thenApply result completes exceptionally if action does
1532		*/
1533	<	public void testThenAcceptBothAsync4() {
1534	<	CompletableFuture<Integer> f, g;
1535	<	CompletableFuture<Void> h;
1536	<	SubtractAction r;
1537	<
1538	<	f = new CompletableFuture<>();
1539	<	g = new CompletableFuture<>();
1540	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1541	<	assertTrue(f.cancel(true));
1542	<	checkIncomplete(h);
1543	<	g.complete(1);
1544	<	checkCompletedWithWrappedCancellationException(h);
1545	<
1546	<	f = new CompletableFuture<>();
1547	<	g = new CompletableFuture<>();
1548	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1549	<	assertTrue(g.cancel(true));
1550	<	checkIncomplete(h);
1551	<	f.complete(3);
1552	<	checkCompletedWithWrappedCancellationException(h);
1704	<
1705	<	f = new CompletableFuture<>();
1706	<	g = new CompletableFuture<>();
1707	<	f.complete(3);
1708	<	assertTrue(g.cancel(true));
1709	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1710	<	checkCompletedWithWrappedCancellationException(h);
1711	<
1712	<	f = new CompletableFuture<>();
1713	<	g = new CompletableFuture<>();
1714	<	assertTrue(f.cancel(true));
1715	<	g.complete(3);
1716	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1717	<	checkCompletedWithWrappedCancellationException(h);
1718	<	}
1533	>	public void testThenApply_actionFailed() {
1534	>	for (ExecutionMode m : ExecutionMode.values())
1535	>	for (Integer v1 : new Integer[] { 1, null })
1536	>	{
1537	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1538	>	final FailingFunction[] rs = new FailingFunction[4];
1539	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1540	>
1541	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1542	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1543	>	assertTrue(f.complete(v1));
1544	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1545	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1546	>
1547	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1548	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1549	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1550	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1551	>	checkCompletedNormally(f, v1);
1552	>	}}
1553
1554		/**
1555	<	* runAfterBothAsync result completes normally after normal
1722	<	* completion of sources
1555	>	* thenAccept result completes normally after normal completion of source
1556		*/
1557	<	public void testRunAfterBothAsync() {
1558	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1559	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1560	<	Noop r = new Noop();
1561	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1562	<	f.complete(one);
1563	<	checkIncomplete(g);
1564	<	f2.complete(two);
1565	<	checkCompletedNormally(g, null);
1566	<	assertTrue(r.ran);
1567	<	}
1557	>	public void testThenAccept_normalCompletion() {
1558	>	for (ExecutionMode m : ExecutionMode.values())
1559	>	for (Integer v1 : new Integer[] { 1, null })
1560	>	{
1561	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1562	>	final NoopConsumer[] rs = new NoopConsumer[4];
1563	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1564	>
1565	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1566	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1567	>	checkIncomplete(h0);
1568	>	checkIncomplete(h1);
1569	>	assertTrue(f.complete(v1));
1570	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1571	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1572	>
1573	>	checkCompletedNormally(h0, null);
1574	>	checkCompletedNormally(h1, null);
1575	>	checkCompletedNormally(h2, null);
1576	>	checkCompletedNormally(h3, null);
1577	>	checkCompletedNormally(f, v1);
1578	>	for (NoopConsumer r : rs) r.assertValue(v1);
1579	>	}}
1580
1581		/**
1582	<	* runAfterBothAsync result completes exceptionally after exceptional
1582	>	* thenAccept result completes exceptionally after exceptional
1583		* completion of source
1584		*/
1585	<	public void testRunAfterBothAsync2() {
1586	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1587	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1588	<	Noop r = new Noop();
1589	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1590	<	f.completeExceptionally(new CFException());
1591	<	f2.complete(two);
1592	<	checkCompletedWithWrappedCFException(g);
1593	<
1594	<	r = new Noop();
1595	<	f = new CompletableFuture<>();
1596	<	f2 = new CompletableFuture<>();
1597	<	g = f.runAfterBothAsync(f2, r);
1598	<	f.complete(one);
1599	<	f2.completeExceptionally(new CFException());
1600	<	checkCompletedWithWrappedCFException(g);
1601	<	}
1585	>	public void testThenAccept_exceptionalCompletion() {
1586	>	for (ExecutionMode m : ExecutionMode.values())
1587	>	{
1588	>	final CFException ex = new CFException();
1589	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1590	>	final NoopConsumer[] rs = new NoopConsumer[4];
1591	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1592	>
1593	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1594	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1595	>	assertTrue(f.completeExceptionally(ex));
1596	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1597	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1598	>
1599	>	checkCompletedWithWrappedException(h0, ex);
1600	>	checkCompletedWithWrappedException(h1, ex);
1601	>	checkCompletedWithWrappedException(h2, ex);
1602	>	checkCompletedWithWrappedException(h3, ex);
1603	>	checkCompletedExceptionally(f, ex);
1604	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1605	>	}}
1606
1607		/**
1608	<	* runAfterBothAsync result completes exceptionally if action does
1608	>	* thenAccept result completes exceptionally if source cancelled
1609		*/
1610	<	public void testRunAfterBothAsync3() {
1611	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1612	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1613	<	FailingNoop r = new FailingNoop();
1614	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1615	<	f.complete(one);
1616	<	checkIncomplete(g);
1617	<	f2.complete(two);
1618	<	checkCompletedWithWrappedCFException(g);
1619	<	}
1610	>	public void testThenAccept_sourceCancelled() {
1611	>	for (ExecutionMode m : ExecutionMode.values())
1612	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1613	>	{
1614	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1615	>	final NoopConsumer[] rs = new NoopConsumer[4];
1616	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1617	>
1618	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1619	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1620	>	assertTrue(f.cancel(mayInterruptIfRunning));
1621	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1622	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1623	>
1624	>	checkCompletedWithWrappedCancellationException(h0);
1625	>	checkCompletedWithWrappedCancellationException(h1);
1626	>	checkCompletedWithWrappedCancellationException(h2);
1627	>	checkCompletedWithWrappedCancellationException(h3);
1628	>	checkCancelled(f);
1629	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1630	>	}}
1631
1632		/**
1633	<	* runAfterBothAsync result completes exceptionally if either source cancelled
1633	>	* thenAccept result completes exceptionally if action does
1634		*/
1635	<	public void testRunAfterBothAsync4() {
1636	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1637	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1638	<	Noop r = new Noop();
1639	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1640	<	assertTrue(f.cancel(true));
1641	<	f2.complete(two);
1642	<	checkCompletedWithWrappedCancellationException(g);
1643	<
1644	<	r = new Noop();
1645	<	f = new CompletableFuture<>();
1646	<	f2 = new CompletableFuture<>();
1647	<	g = f.runAfterBothAsync(f2, r);
1648	<	f.complete(one);
1649	<	assertTrue(f2.cancel(true));
1650	<	checkCompletedWithWrappedCancellationException(g);
1651	<	}
1635	>	public void testThenAccept_actionFailed() {
1636	>	for (ExecutionMode m : ExecutionMode.values())
1637	>	for (Integer v1 : new Integer[] { 1, null })
1638	>	{
1639	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1640	>	final FailingConsumer[] rs = new FailingConsumer[4];
1641	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1642	>
1643	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1644	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1645	>	assertTrue(f.complete(v1));
1646	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1647	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1648	>
1649	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1650	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1651	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1652	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1653	>	checkCompletedNormally(f, v1);
1654	>	}}
1655
1656		/**
1657	<	* applyToEitherAsync result completes normally after normal
1658	<	* completion of sources
1657	>	* thenCombine result completes normally after normal completion
1658	>	* of sources
1659		*/
1660	<	public void testApplyToEitherAsync() {
1661	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1662	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1663	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1664	<	f.complete(one);
1665	<	checkCompletedNormally(g, two);
1666	<
1667	<	f = new CompletableFuture<>();
1668	<	f.complete(one);
1669	<	f2 = new CompletableFuture<>();
1670	<	g = f.applyToEitherAsync(f2, inc);
1671	<	checkCompletedNormally(g, two);
1672	<	}
1660	>	public void testThenCombine_normalCompletion() {
1661	>	for (ExecutionMode m : ExecutionMode.values())
1662	>	for (boolean fFirst : new boolean[] { true, false })
1663	>	for (Integer v1 : new Integer[] { 1, null })
1664	>	for (Integer v2 : new Integer[] { 2, null })
1665	>	{
1666	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1667	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1668	>	final SubtractFunction[] rs = new SubtractFunction[6];
1669	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1670	>
1671	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1672	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1673	>	final Integer w1 =  fFirst ? v1 : v2;
1674	>	final Integer w2 = !fFirst ? v1 : v2;
1675	>
1676	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1677	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1678	>	assertTrue(fst.complete(w1));
1679	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1680	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1681	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1682	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1683	>	checkCompletedNormally(h1, subtract(w1, w1));
1684	>	checkCompletedNormally(h3, subtract(w1, w1));
1685	>	rs[1].assertValue(subtract(w1, w1));
1686	>	rs[3].assertValue(subtract(w1, w1));
1687	>	assertTrue(snd.complete(w2));
1688	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1689	>
1690	>	checkCompletedNormally(h0, subtract(v1, v2));
1691	>	checkCompletedNormally(h2, subtract(v1, v2));
1692	>	checkCompletedNormally(h4, subtract(v1, v2));
1693	>	rs[0].assertValue(subtract(v1, v2));
1694	>	rs[2].assertValue(subtract(v1, v2));
1695	>	rs[4].assertValue(subtract(v1, v2));
1696	>
1697	>	checkCompletedNormally(f, v1);
1698	>	checkCompletedNormally(g, v2);
1699	>	}}
1700
1701		/**
1702	<	* applyToEitherAsync result completes exceptionally after exceptional
1703	<	* completion of source
1702	>	* thenCombine result completes exceptionally after exceptional
1703	>	* completion of either source
1704		*/
1705	<	public void testApplyToEitherAsync2() {
1706	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1707	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1708	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1709	<	f.completeExceptionally(new CFException());
1710	<	checkCompletedWithWrappedCFException(g);
1711	<
1712	<	f = new CompletableFuture<>();
1713	<	f2 = new CompletableFuture<>();
1714	<	f2.completeExceptionally(new CFException());
1715	<	g = f.applyToEitherAsync(f2, inc);
1716	<	f.complete(one);
1717	<	checkCompletedWithWrappedCFException(g);
1718	<	}
1705	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1706	>	for (ExecutionMode m : ExecutionMode.values())
1707	>	for (boolean fFirst : new boolean[] { true, false })
1708	>	for (boolean failFirst : new boolean[] { true, false })
1709	>	for (Integer v1 : new Integer[] { 1, null })
1710	>	{
1711	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1712	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1713	>	final CFException ex = new CFException();
1714	>	final SubtractFunction r1 = new SubtractFunction(m);
1715	>	final SubtractFunction r2 = new SubtractFunction(m);
1716	>	final SubtractFunction r3 = new SubtractFunction(m);
1717	>
1718	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1719	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1720	>	final Callable<Boolean> complete1 = failFirst ?
1721	>	() -> fst.completeExceptionally(ex) :
1722	>	() -> fst.complete(v1);
1723	>	final Callable<Boolean> complete2 = failFirst ?
1724	>	() -> snd.complete(v1) :
1725	>	() -> snd.completeExceptionally(ex);
1726	>
1727	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1728	>	assertTrue(complete1.call());
1729	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1730	>	checkIncomplete(h1);
1731	>	checkIncomplete(h2);
1732	>	assertTrue(complete2.call());
1733	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1734	>
1735	>	checkCompletedWithWrappedException(h1, ex);
1736	>	checkCompletedWithWrappedException(h2, ex);
1737	>	checkCompletedWithWrappedException(h3, ex);
1738	>	r1.assertNotInvoked();
1739	>	r2.assertNotInvoked();
1740	>	r3.assertNotInvoked();
1741	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1742	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1743	>	}}
1744
1745		/**
1746	<	* applyToEitherAsync result completes exceptionally if action does
1746	>	* thenCombine result completes exceptionally if either source cancelled
1747		*/
1748	<	public void testApplyToEitherAsync3() {
1749	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1750	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1751	<	FailingFunction r = new FailingFunction();
1752	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1753	<	f.complete(one);
1754	<	checkCompletedWithWrappedCFException(g);
1755	<	}
1748	>	public void testThenCombine_sourceCancelled() throws Throwable {
1749	>	for (ExecutionMode m : ExecutionMode.values())
1750	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1751	>	for (boolean fFirst : new boolean[] { true, false })
1752	>	for (boolean failFirst : new boolean[] { true, false })
1753	>	for (Integer v1 : new Integer[] { 1, null })
1754	>	{
1755	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1756	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1757	>	final SubtractFunction r1 = new SubtractFunction(m);
1758	>	final SubtractFunction r2 = new SubtractFunction(m);
1759	>	final SubtractFunction r3 = new SubtractFunction(m);
1760	>
1761	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1762	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1763	>	final Callable<Boolean> complete1 = failFirst ?
1764	>	() -> fst.cancel(mayInterruptIfRunning) :
1765	>	() -> fst.complete(v1);
1766	>	final Callable<Boolean> complete2 = failFirst ?
1767	>	() -> snd.complete(v1) :
1768	>	() -> snd.cancel(mayInterruptIfRunning);
1769	>
1770	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1771	>	assertTrue(complete1.call());
1772	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1773	>	checkIncomplete(h1);
1774	>	checkIncomplete(h2);
1775	>	assertTrue(complete2.call());
1776	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1777	>
1778	>	checkCompletedWithWrappedCancellationException(h1);
1779	>	checkCompletedWithWrappedCancellationException(h2);
1780	>	checkCompletedWithWrappedCancellationException(h3);
1781	>	r1.assertNotInvoked();
1782	>	r2.assertNotInvoked();
1783	>	r3.assertNotInvoked();
1784	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1785	>	checkCancelled(failFirst ? fst : snd);
1786	>	}}
1787
1788		/**
1789	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1789	>	* thenCombine result completes exceptionally if action does
1790		*/
1791	<	public void testApplyToEitherAsync4() {
1792	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1793	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1794	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1795	<	assertTrue(f.cancel(true));
1796	<	checkCompletedWithWrappedCancellationException(g);
1797	<
1798	<	f = new CompletableFuture<>();
1799	<	f2 = new CompletableFuture<>();
1800	<	assertTrue(f2.cancel(true));
1801	<	g = f.applyToEitherAsync(f2, inc);
1802	<	checkCompletedWithWrappedCancellationException(g);
1803	<	}
1791	>	public void testThenCombine_actionFailed() {
1792	>	for (ExecutionMode m : ExecutionMode.values())
1793	>	for (boolean fFirst : new boolean[] { true, false })
1794	>	for (Integer v1 : new Integer[] { 1, null })
1795	>	for (Integer v2 : new Integer[] { 2, null })
1796	>	{
1797	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1798	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1799	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1800	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1801	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1802	>
1803	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1804	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1805	>	final Integer w1 =  fFirst ? v1 : v2;
1806	>	final Integer w2 = !fFirst ? v1 : v2;
1807	>
1808	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1809	>	assertTrue(fst.complete(w1));
1810	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1811	>	assertTrue(snd.complete(w2));
1812	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1813	>
1814	>	checkCompletedWithWrappedException(h1, r1.ex);
1815	>	checkCompletedWithWrappedException(h2, r2.ex);
1816	>	checkCompletedWithWrappedException(h3, r3.ex);
1817	>	r1.assertInvoked();
1818	>	r2.assertInvoked();
1819	>	r3.assertInvoked();
1820	>	checkCompletedNormally(f, v1);
1821	>	checkCompletedNormally(g, v2);
1822	>	}}
1823
1824		/**
1825	<	* acceptEitherAsync result completes normally after normal
1825	>	* thenAcceptBoth result completes normally after normal
1826		* completion of sources
1827		*/
1828	<	public void testAcceptEitherAsync() {
1829	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1830	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1831	<	IncAction r = new IncAction();
1832	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1833	<	f.complete(one);
1834	<	checkCompletedNormally(g, null);
1835	<	assertEquals(r.value, 2);
1836	<
1837	<	r = new IncAction();
1838	<	f = new CompletableFuture<>();
1839	<	f.complete(one);
1840	<	f2 = new CompletableFuture<>();
1841	<	g = f.acceptEitherAsync(f2, r);
1842	<	checkCompletedNormally(g, null);
1843	<	assertEquals(r.value, 2);
1844	<	}
1828	>	public void testThenAcceptBoth_normalCompletion() {
1829	>	for (ExecutionMode m : ExecutionMode.values())
1830	>	for (boolean fFirst : new boolean[] { true, false })
1831	>	for (Integer v1 : new Integer[] { 1, null })
1832	>	for (Integer v2 : new Integer[] { 2, null })
1833	>	{
1834	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1835	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1836	>	final SubtractAction r1 = new SubtractAction(m);
1837	>	final SubtractAction r2 = new SubtractAction(m);
1838	>	final SubtractAction r3 = new SubtractAction(m);
1839	>
1840	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1841	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1842	>	final Integer w1 =  fFirst ? v1 : v2;
1843	>	final Integer w2 = !fFirst ? v1 : v2;
1844	>
1845	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1846	>	assertTrue(fst.complete(w1));
1847	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1848	>	checkIncomplete(h1);
1849	>	checkIncomplete(h2);
1850	>	r1.assertNotInvoked();
1851	>	r2.assertNotInvoked();
1852	>	assertTrue(snd.complete(w2));
1853	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1854	>
1855	>	checkCompletedNormally(h1, null);
1856	>	checkCompletedNormally(h2, null);
1857	>	checkCompletedNormally(h3, null);
1858	>	r1.assertValue(subtract(v1, v2));
1859	>	r2.assertValue(subtract(v1, v2));
1860	>	r3.assertValue(subtract(v1, v2));
1861	>	checkCompletedNormally(f, v1);
1862	>	checkCompletedNormally(g, v2);
1863	>	}}
1864
1865		/**
1866	<	* acceptEitherAsync result completes exceptionally after exceptional
1867	<	* completion of source
1866	>	* thenAcceptBoth result completes exceptionally after exceptional
1867	>	* completion of either source
1868		*/
1869	<	public void testAcceptEitherAsync2() {
1870	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1871	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1872	<	IncAction r = new IncAction();
1873	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1874	<	f.completeExceptionally(new CFException());
1875	<	checkCompletedWithWrappedCFException(g);
1876	<
1877	<	r = new IncAction();
1878	<	f = new CompletableFuture<>();
1879	<	f2 = new CompletableFuture<>();
1880	<	f2.completeExceptionally(new CFException());
1881	<	g = f.acceptEitherAsync(f2, r);
1882	<	f.complete(one);
1883	<	checkCompletedWithWrappedCFException(g);
1884	<	}
1869	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1870	>	for (ExecutionMode m : ExecutionMode.values())
1871	>	for (boolean fFirst : new boolean[] { true, false })
1872	>	for (boolean failFirst : new boolean[] { true, false })
1873	>	for (Integer v1 : new Integer[] { 1, null })
1874	>	{
1875	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1876	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1877	>	final CFException ex = new CFException();
1878	>	final SubtractAction r1 = new SubtractAction(m);
1879	>	final SubtractAction r2 = new SubtractAction(m);
1880	>	final SubtractAction r3 = new SubtractAction(m);
1881	>
1882	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1883	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1884	>	final Callable<Boolean> complete1 = failFirst ?
1885	>	() -> fst.completeExceptionally(ex) :
1886	>	() -> fst.complete(v1);
1887	>	final Callable<Boolean> complete2 = failFirst ?
1888	>	() -> snd.complete(v1) :
1889	>	() -> snd.completeExceptionally(ex);
1890	>
1891	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1892	>	assertTrue(complete1.call());
1893	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1894	>	checkIncomplete(h1);
1895	>	checkIncomplete(h2);
1896	>	assertTrue(complete2.call());
1897	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1898	>
1899	>	checkCompletedWithWrappedException(h1, ex);
1900	>	checkCompletedWithWrappedException(h2, ex);
1901	>	checkCompletedWithWrappedException(h3, ex);
1902	>	r1.assertNotInvoked();
1903	>	r2.assertNotInvoked();
1904	>	r3.assertNotInvoked();
1905	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1906	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1907	>	}}
1908
1909		/**
1910	<	* acceptEitherAsync result completes exceptionally if action does
1910	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1911		*/
1912	<	public void testAcceptEitherAsync3() {
1913	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1914	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1915	<	FailingConsumer r = new FailingConsumer();
1916	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1917	<	f.complete(one);
1918	<	checkCompletedWithWrappedCFException(g);
1919	<	}
1912	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1913	>	for (ExecutionMode m : ExecutionMode.values())
1914	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1915	>	for (boolean fFirst : new boolean[] { true, false })
1916	>	for (boolean failFirst : new boolean[] { true, false })
1917	>	for (Integer v1 : new Integer[] { 1, null })
1918	>	{
1919	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1920	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1921	>	final SubtractAction r1 = new SubtractAction(m);
1922	>	final SubtractAction r2 = new SubtractAction(m);
1923	>	final SubtractAction r3 = new SubtractAction(m);
1924	>
1925	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1926	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1927	>	final Callable<Boolean> complete1 = failFirst ?
1928	>	() -> fst.cancel(mayInterruptIfRunning) :
1929	>	() -> fst.complete(v1);
1930	>	final Callable<Boolean> complete2 = failFirst ?
1931	>	() -> snd.complete(v1) :
1932	>	() -> snd.cancel(mayInterruptIfRunning);
1933	>
1934	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1935	>	assertTrue(complete1.call());
1936	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1937	>	checkIncomplete(h1);
1938	>	checkIncomplete(h2);
1939	>	assertTrue(complete2.call());
1940	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1941	>
1942	>	checkCompletedWithWrappedCancellationException(h1);
1943	>	checkCompletedWithWrappedCancellationException(h2);
1944	>	checkCompletedWithWrappedCancellationException(h3);
1945	>	r1.assertNotInvoked();
1946	>	r2.assertNotInvoked();
1947	>	r3.assertNotInvoked();
1948	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1949	>	checkCancelled(failFirst ? fst : snd);
1950	>	}}
1951
1952		/**
1953	<	* acceptEitherAsync result completes exceptionally if either
1916	<	* source cancelled
1953	>	* thenAcceptBoth result completes exceptionally if action does
1954		*/
1955	<	public void testAcceptEitherAsync4() {
1956	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1957	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1958	<	IncAction r = new IncAction();
1959	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1960	<	assertTrue(f.cancel(true));
1961	<	checkCompletedWithWrappedCancellationException(g);
1962	<
1963	<	r = new IncAction();
1964	<	f = new CompletableFuture<>();
1965	<	f2 = new CompletableFuture<>();
1966	<	assertTrue(f2.cancel(true));
1967	<	g = f.acceptEitherAsync(f2, r);
1968	<	checkCompletedWithWrappedCancellationException(g);
1969	<	}
1955	>	public void testThenAcceptBoth_actionFailed() {
1956	>	for (ExecutionMode m : ExecutionMode.values())
1957	>	for (boolean fFirst : new boolean[] { true, false })
1958	>	for (Integer v1 : new Integer[] { 1, null })
1959	>	for (Integer v2 : new Integer[] { 2, null })
1960	>	{
1961	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1962	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1963	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1964	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1965	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1966	>
1967	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1968	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1969	>	final Integer w1 =  fFirst ? v1 : v2;
1970	>	final Integer w2 = !fFirst ? v1 : v2;
1971	>
1972	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1973	>	assertTrue(fst.complete(w1));
1974	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1975	>	assertTrue(snd.complete(w2));
1976	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1977	>
1978	>	checkCompletedWithWrappedException(h1, r1.ex);
1979	>	checkCompletedWithWrappedException(h2, r2.ex);
1980	>	checkCompletedWithWrappedException(h3, r3.ex);
1981	>	r1.assertInvoked();
1982	>	r2.assertInvoked();
1983	>	r3.assertInvoked();
1984	>	checkCompletedNormally(f, v1);
1985	>	checkCompletedNormally(g, v2);
1986	>	}}
1987
1988		/**
1989	<	* runAfterEitherAsync result completes normally after normal
1989	>	* runAfterBoth result completes normally after normal
1990		* completion of sources
1991		*/
1992	<	public void testRunAfterEitherAsync() {
1993	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1994	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1995	<	Noop r = new Noop();
1996	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1997	<	f.complete(one);
1998	<	checkCompletedNormally(g, null);
1999	<	assertTrue(r.ran);
2000	<
2001	<	r = new Noop();
2002	<	f = new CompletableFuture<>();
2003	<	f.complete(one);
2004	<	f2 = new CompletableFuture<>();
2005	<	g = f.runAfterEitherAsync(f2, r);
2006	<	checkCompletedNormally(g, null);
2007	<	assertTrue(r.ran);
2008	<	}
2009	<
2010	<	/**
2011	<	* runAfterEitherAsync result completes exceptionally after exceptional
2012	<	* completion of source
2013	<	*/
2014	<	public void testRunAfterEitherAsync2() {
2015	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2016	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2017	<	Noop r = new Noop();
2018	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2019	<	f.completeExceptionally(new CFException());
2020	<	checkCompletedWithWrappedCFException(g);
2021	<
2022	<	r = new Noop();
2023	<	f = new CompletableFuture<>();
2024	<	f2 = new CompletableFuture<>();
2025	<	f2.completeExceptionally(new CFException());
2026	<	g = f.runAfterEitherAsync(f2, r);
2027	<	f.complete(one);
1974	<	checkCompletedWithWrappedCFException(g);
1975	<	}
1976	<
1977	<	/**
1978	<	* runAfterEitherAsync result completes exceptionally if action does
1979	<	*/
1980	<	public void testRunAfterEitherAsync3() {
1981	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1982	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1983	<	FailingNoop r = new FailingNoop();
1984	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1985	<	f.complete(one);
1986	<	checkCompletedWithWrappedCFException(g);
1987	<	}
1988	<
1989	<	/**
1990	<	* runAfterEitherAsync result completes exceptionally if either
1991	<	* source cancelled
1992	<	*/
1993	<	public void testRunAfterEitherAsync4() {
1994	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1995	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1996	<	Noop r = new Noop();
1997	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1998	<	assertTrue(f.cancel(true));
1999	<	checkCompletedWithWrappedCancellationException(g);
2000	<
2001	<	r = new Noop();
2002	<	f = new CompletableFuture<>();
2003	<	f2 = new CompletableFuture<>();
2004	<	assertTrue(f2.cancel(true));
2005	<	g = f.runAfterEitherAsync(f2, r);
2006	<	checkCompletedWithWrappedCancellationException(g);
2007	<	}
2008	<
2009	<	/**
2010	<	* thenComposeAsync result completes normally after normal
2011	<	* completion of source
2012	<	*/
2013	<	public void testThenComposeAsync() {
2014	<	CompletableFuture<Integer> f, g;
2015	<	CompletableFutureInc r;
2016	<
2017	<	f = new CompletableFuture<>();
2018	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2019	<	f.complete(one);
2020	<	checkCompletedNormally(g, two);
2021	<
2022	<	f = new CompletableFuture<>();
2023	<	f.complete(one);
2024	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2025	<	checkCompletedNormally(g, two);
2026	<	}
1992	>	public void testRunAfterBoth_normalCompletion() {
1993	>	for (ExecutionMode m : ExecutionMode.values())
1994	>	for (boolean fFirst : new boolean[] { true, false })
1995	>	for (Integer v1 : new Integer[] { 1, null })
1996	>	for (Integer v2 : new Integer[] { 2, null })
1997	>	{
1998	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1999	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2000	>	final Noop r1 = new Noop(m);
2001	>	final Noop r2 = new Noop(m);
2002	>	final Noop r3 = new Noop(m);
2003	>
2004	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2005	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2006	>	final Integer w1 =  fFirst ? v1 : v2;
2007	>	final Integer w2 = !fFirst ? v1 : v2;
2008	>
2009	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2010	>	assertTrue(fst.complete(w1));
2011	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2012	>	checkIncomplete(h1);
2013	>	checkIncomplete(h2);
2014	>	r1.assertNotInvoked();
2015	>	r2.assertNotInvoked();
2016	>	assertTrue(snd.complete(w2));
2017	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2018	>
2019	>	checkCompletedNormally(h1, null);
2020	>	checkCompletedNormally(h2, null);
2021	>	checkCompletedNormally(h3, null);
2022	>	r1.assertInvoked();
2023	>	r2.assertInvoked();
2024	>	r3.assertInvoked();
2025	>	checkCompletedNormally(f, v1);
2026	>	checkCompletedNormally(g, v2);
2027	>	}}
2028
2029		/**
2030	<	* thenComposeAsync result completes exceptionally after
2031	<	* exceptional completion of source
2030	>	* runAfterBoth result completes exceptionally after exceptional
2031	>	* completion of either source
2032		*/
2033	<	public void testThenComposeAsync2() {
2034	<	CompletableFuture<Integer> f, g;
2035	<	CompletableFutureInc r;
2036	<
2037	<	f = new CompletableFuture<>();
2038	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2039	<	f.completeExceptionally(new CFException());
2040	<	checkCompletedWithWrappedCFException(g);
2041	<	assertFalse(r.ran);
2042	<
2043	<	f = new CompletableFuture<>();
2044	<	f.completeExceptionally(new CFException());
2045	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2046	<	checkCompletedWithWrappedCFException(g);
2047	<	assertFalse(r.ran);
2048	<	}
2033	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2034	>	for (ExecutionMode m : ExecutionMode.values())
2035	>	for (boolean fFirst : new boolean[] { true, false })
2036	>	for (boolean failFirst : new boolean[] { true, false })
2037	>	for (Integer v1 : new Integer[] { 1, null })
2038	>	{
2039	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2040	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2041	>	final CFException ex = new CFException();
2042	>	final Noop r1 = new Noop(m);
2043	>	final Noop r2 = new Noop(m);
2044	>	final Noop r3 = new Noop(m);
2045	>
2046	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2047	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2048	>	final Callable<Boolean> complete1 = failFirst ?
2049	>	() -> fst.completeExceptionally(ex) :
2050	>	() -> fst.complete(v1);
2051	>	final Callable<Boolean> complete2 = failFirst ?
2052	>	() -> snd.complete(v1) :
2053	>	() -> snd.completeExceptionally(ex);
2054	>
2055	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2056	>	assertTrue(complete1.call());
2057	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2058	>	checkIncomplete(h1);
2059	>	checkIncomplete(h2);
2060	>	assertTrue(complete2.call());
2061	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2062	>
2063	>	checkCompletedWithWrappedException(h1, ex);
2064	>	checkCompletedWithWrappedException(h2, ex);
2065	>	checkCompletedWithWrappedException(h3, ex);
2066	>	r1.assertNotInvoked();
2067	>	r2.assertNotInvoked();
2068	>	r3.assertNotInvoked();
2069	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2070	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2071	>	}}
2072
2073		/**
2074	<	* thenComposeAsync result completes exceptionally if action does
2074	>	* runAfterBoth result completes exceptionally if either source cancelled
2075		*/
2076	<	public void testThenComposeAsync3() {
2077	<	CompletableFuture<Integer> f, g;
2078	<	FailingCompletableFutureFunction r;
2079	<
2080	<	f = new CompletableFuture<>();
2081	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2082	<	f.complete(one);
2083	<	checkCompletedWithWrappedCFException(g);
2084	<
2085	<	f = new CompletableFuture<>();
2086	<	f.complete(one);
2087	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2088	<	checkCompletedWithWrappedCFException(g);
2089	<	}
2076	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2077	>	for (ExecutionMode m : ExecutionMode.values())
2078	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2079	>	for (boolean fFirst : new boolean[] { true, false })
2080	>	for (boolean failFirst : new boolean[] { true, false })
2081	>	for (Integer v1 : new Integer[] { 1, null })
2082	>	{
2083	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2084	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2085	>	final Noop r1 = new Noop(m);
2086	>	final Noop r2 = new Noop(m);
2087	>	final Noop r3 = new Noop(m);
2088	>
2089	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2090	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2091	>	final Callable<Boolean> complete1 = failFirst ?
2092	>	() -> fst.cancel(mayInterruptIfRunning) :
2093	>	() -> fst.complete(v1);
2094	>	final Callable<Boolean> complete2 = failFirst ?
2095	>	() -> snd.complete(v1) :
2096	>	() -> snd.cancel(mayInterruptIfRunning);
2097	>
2098	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2099	>	assertTrue(complete1.call());
2100	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2101	>	checkIncomplete(h1);
2102	>	checkIncomplete(h2);
2103	>	assertTrue(complete2.call());
2104	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2105	>
2106	>	checkCompletedWithWrappedCancellationException(h1);
2107	>	checkCompletedWithWrappedCancellationException(h2);
2108	>	checkCompletedWithWrappedCancellationException(h3);
2109	>	r1.assertNotInvoked();
2110	>	r2.assertNotInvoked();
2111	>	r3.assertNotInvoked();
2112	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2113	>	checkCancelled(failFirst ? fst : snd);
2114	>	}}
2115
2116		/**
2117	<	* thenComposeAsync result completes exceptionally if source cancelled
2117	>	* runAfterBoth result completes exceptionally if action does
2118		*/
2119	<	public void testThenComposeAsync4() {
2120	<	CompletableFuture<Integer> f, g;
2121	<	CompletableFutureInc r;
2122	<
2123	<	f = new CompletableFuture<>();
2124	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2125	<	assertTrue(f.cancel(true));
2126	<	checkCompletedWithWrappedCancellationException(g);
2127	<
2128	<	f = new CompletableFuture<>();
2129	<	assertTrue(f.cancel(true));
2130	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2131	<	checkCompletedWithWrappedCancellationException(g);
2132	<	}
2133	<
2134	<	// async with explicit executors
2119	>	public void testRunAfterBoth_actionFailed() {
2120	>	for (ExecutionMode m : ExecutionMode.values())
2121	>	for (boolean fFirst : new boolean[] { true, false })
2122	>	for (Integer v1 : new Integer[] { 1, null })
2123	>	for (Integer v2 : new Integer[] { 2, null })
2124	>	{
2125	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2126	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2127	>	final FailingRunnable r1 = new FailingRunnable(m);
2128	>	final FailingRunnable r2 = new FailingRunnable(m);
2129	>	final FailingRunnable r3 = new FailingRunnable(m);
2130	>
2131	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2132	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2133	>	final Integer w1 =  fFirst ? v1 : v2;
2134	>	final Integer w2 = !fFirst ? v1 : v2;
2135	>
2136	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2137	>	assertTrue(fst.complete(w1));
2138	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2139	>	assertTrue(snd.complete(w2));
2140	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2141	>
2142	>	checkCompletedWithWrappedException(h1, r1.ex);
2143	>	checkCompletedWithWrappedException(h2, r2.ex);
2144	>	checkCompletedWithWrappedException(h3, r3.ex);
2145	>	r1.assertInvoked();
2146	>	r2.assertInvoked();
2147	>	r3.assertInvoked();
2148	>	checkCompletedNormally(f, v1);
2149	>	checkCompletedNormally(g, v2);
2150	>	}}
2151
2152		/**
2153	<	* thenRunAsync result completes normally after normal completion of source
2153	>	* applyToEither result completes normally after normal completion
2154	>	* of either source
2155		*/
2156	<	public void testThenRunAsyncE() {
2157	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2158	<	Noop r = new Noop();
2159	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2160	<	f.complete(null);
2161	<	checkCompletedNormally(g, null);
2162	<
2163	<	// reordered version
2164	<	f = new CompletableFuture<>();
2165	<	f.complete(null);
2166	<	r = new Noop();
2167	<	g = f.thenRunAsync(r, new ThreadExecutor());
2168	<	checkCompletedNormally(g, null);
2169	<	}
2156	>	public void testApplyToEither_normalCompletion() {
2157	>	for (ExecutionMode m : ExecutionMode.values())
2158	>	for (Integer v1 : new Integer[] { 1, null })
2159	>	for (Integer v2 : new Integer[] { 2, null })
2160	>	{
2161	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2162	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2163	>	final IncFunction[] rs = new IncFunction[6];
2164	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2165	>
2166	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2167	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2168	>	checkIncomplete(h0);
2169	>	checkIncomplete(h1);
2170	>	rs[0].assertNotInvoked();
2171	>	rs[1].assertNotInvoked();
2172	>	f.complete(v1);
2173	>	checkCompletedNormally(h0, inc(v1));
2174	>	checkCompletedNormally(h1, inc(v1));
2175	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2176	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2177	>	checkCompletedNormally(h2, inc(v1));
2178	>	checkCompletedNormally(h3, inc(v1));
2179	>	g.complete(v2);
2180	>
2181	>	// unspecified behavior - both source completions available
2182	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2183	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2184	>	rs[4].assertValue(h4.join());
2185	>	rs[5].assertValue(h5.join());
2186	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2187	>	Objects.equals(inc(v2), h4.join()));
2188	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2189	>	Objects.equals(inc(v2), h5.join()));
2190	>
2191	>	checkCompletedNormally(f, v1);
2192	>	checkCompletedNormally(g, v2);
2193	>	checkCompletedNormally(h0, inc(v1));
2194	>	checkCompletedNormally(h1, inc(v1));
2195	>	checkCompletedNormally(h2, inc(v1));
2196	>	checkCompletedNormally(h3, inc(v1));
2197	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2198	>	}}
2199
2200		/**
2201	<	* thenRunAsync result completes exceptionally after exceptional
2202	<	* completion of source
2201	>	* applyToEither result completes exceptionally after exceptional
2202	>	* completion of either source
2203		*/
2204	<	public void testThenRunAsync2E() {
2205	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2206	<	Noop r = new Noop();
2207	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2208	<	f.completeExceptionally(new CFException());
2204	>	public void testApplyToEither_exceptionalCompletion() {
2205	>	for (ExecutionMode m : ExecutionMode.values())
2206	>	for (Integer v1 : new Integer[] { 1, null })
2207	>	{
2208	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2209	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2210	>	final CFException ex = new CFException();
2211	>	final IncFunction[] rs = new IncFunction[6];
2212	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2213	>
2214	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2215	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2216	>	checkIncomplete(h0);
2217	>	checkIncomplete(h1);
2218	>	rs[0].assertNotInvoked();
2219	>	rs[1].assertNotInvoked();
2220	>	f.completeExceptionally(ex);
2221	>	checkCompletedWithWrappedException(h0, ex);
2222	>	checkCompletedWithWrappedException(h1, ex);
2223	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2224	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2225	>	checkCompletedWithWrappedException(h2, ex);
2226	>	checkCompletedWithWrappedException(h3, ex);
2227	>	g.complete(v1);
2228	>
2229	>	// unspecified behavior - both source completions available
2230	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2231	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2232		try {
2233	<	g.join();
2234	<	shouldThrow();
2235	<	} catch (CompletionException success) {}
2236	<	checkCompletedWithWrappedCFException(g);
2237	<	}
2238	<
2239	<	/**
2240	<	* thenRunAsync result completes exceptionally if action does
2241	<	*/
2242	<	public void testThenRunAsync3E() {
2243	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2244	<	FailingNoop r = new FailingNoop();
2245	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2128	<	f.complete(null);
2129	<	checkCompletedWithWrappedCFException(g);
2130	<	}
2131	<
2132	<	/**
2133	<	* thenRunAsync result completes exceptionally if source cancelled
2134	<	*/
2135	<	public void testThenRunAsync4E() {
2136	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2137	<	Noop r = new Noop();
2138	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2139	<	assertTrue(f.cancel(true));
2140	<	checkCompletedWithWrappedCancellationException(g);
2141	<	}
2233	>	assertEquals(inc(v1), h4.join());
2234	>	rs[4].assertValue(inc(v1));
2235	>	} catch (CompletionException ok) {
2236	>	checkCompletedWithWrappedException(h4, ex);
2237	>	rs[4].assertNotInvoked();
2238	>	}
2239	>	try {
2240	>	assertEquals(inc(v1), h5.join());
2241	>	rs[5].assertValue(inc(v1));
2242	>	} catch (CompletionException ok) {
2243	>	checkCompletedWithWrappedException(h5, ex);
2244	>	rs[5].assertNotInvoked();
2245	>	}
2246
2247	<	/**
2248	<	* thenApplyAsync result completes normally after normal completion of source
2249	<	*/
2250	<	public void testThenApplyAsyncE() {
2251	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2252	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2253	<	f.complete(one);
2254	<	checkCompletedNormally(g, two);
2255	<	}
2247	>	checkCompletedExceptionally(f, ex);
2248	>	checkCompletedNormally(g, v1);
2249	>	checkCompletedWithWrappedException(h0, ex);
2250	>	checkCompletedWithWrappedException(h1, ex);
2251	>	checkCompletedWithWrappedException(h2, ex);
2252	>	checkCompletedWithWrappedException(h3, ex);
2253	>	checkCompletedWithWrappedException(h4, ex);
2254	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2255	>	}}
2256	>
2257	>	public void testApplyToEither_exceptionalCompletion2() {
2258	>	for (ExecutionMode m : ExecutionMode.values())
2259	>	for (boolean fFirst : new boolean[] { true, false })
2260	>	for (Integer v1 : new Integer[] { 1, null })
2261	>	{
2262	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2263	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2264	>	final CFException ex = new CFException();
2265	>	final IncFunction[] rs = new IncFunction[6];
2266	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2267	>
2268	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2269	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2270	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2271	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2272	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2273	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2274
2275	<	/**
2276	<	* thenApplyAsync result completes exceptionally after exceptional
2277	<	* completion of source
2278	<	*/
2279	<	public void testThenApplyAsync2E() {
2280	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2281	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2282	<	f.completeExceptionally(new CFException());
2283	<	checkCompletedWithWrappedCFException(g);
2284	<	}
2275	>	// unspecified behavior - both source completions available
2276	>	try {
2277	>	assertEquals(inc(v1), h0.join());
2278	>	rs[0].assertValue(inc(v1));
2279	>	} catch (CompletionException ok) {
2280	>	checkCompletedWithWrappedException(h0, ex);
2281	>	rs[0].assertNotInvoked();
2282	>	}
2283	>	try {
2284	>	assertEquals(inc(v1), h1.join());
2285	>	rs[1].assertValue(inc(v1));
2286	>	} catch (CompletionException ok) {
2287	>	checkCompletedWithWrappedException(h1, ex);
2288	>	rs[1].assertNotInvoked();
2289	>	}
2290	>	try {
2291	>	assertEquals(inc(v1), h2.join());
2292	>	rs[2].assertValue(inc(v1));
2293	>	} catch (CompletionException ok) {
2294	>	checkCompletedWithWrappedException(h2, ex);
2295	>	rs[2].assertNotInvoked();
2296	>	}
2297	>	try {
2298	>	assertEquals(inc(v1), h3.join());
2299	>	rs[3].assertValue(inc(v1));
2300	>	} catch (CompletionException ok) {
2301	>	checkCompletedWithWrappedException(h3, ex);
2302	>	rs[3].assertNotInvoked();
2303	>	}
2304
2305	<	/**
2306	<	* thenApplyAsync result completes exceptionally if action does
2307	<	*/
2167	<	public void testThenApplyAsync3E() {
2168	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2169	<	FailingFunction r = new FailingFunction();
2170	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2171	<	f.complete(null);
2172	<	checkCompletedWithWrappedCFException(g);
2173	<	}
2305	>	checkCompletedNormally(f, v1);
2306	>	checkCompletedExceptionally(g, ex);
2307	>	}}
2308
2309		/**
2310	<	* thenApplyAsync result completes exceptionally if source cancelled
2310	>	* applyToEither result completes exceptionally if either source cancelled
2311		*/
2312	<	public void testThenApplyAsync4E() {
2313	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2314	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2315	<	assertTrue(f.cancel(true));
2316	<	checkCompletedWithWrappedCancellationException(g);
2317	<	}
2312	>	public void testApplyToEither_sourceCancelled() {
2313	>	for (ExecutionMode m : ExecutionMode.values())
2314	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2315	>	for (Integer v1 : new Integer[] { 1, null })
2316	>	{
2317	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2318	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2319	>	final IncFunction[] rs = new IncFunction[6];
2320	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2321	>
2322	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2323	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2324	>	checkIncomplete(h0);
2325	>	checkIncomplete(h1);
2326	>	rs[0].assertNotInvoked();
2327	>	rs[1].assertNotInvoked();
2328	>	f.cancel(mayInterruptIfRunning);
2329	>	checkCompletedWithWrappedCancellationException(h0);
2330	>	checkCompletedWithWrappedCancellationException(h1);
2331	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2332	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2333	>	checkCompletedWithWrappedCancellationException(h2);
2334	>	checkCompletedWithWrappedCancellationException(h3);
2335	>	g.complete(v1);
2336	>
2337	>	// unspecified behavior - both source completions available
2338	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2339	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2340	>	try {
2341	>	assertEquals(inc(v1), h4.join());
2342	>	rs[4].assertValue(inc(v1));
2343	>	} catch (CompletionException ok) {
2344	>	checkCompletedWithWrappedCancellationException(h4);
2345	>	rs[4].assertNotInvoked();
2346	>	}
2347	>	try {
2348	>	assertEquals(inc(v1), h5.join());
2349	>	rs[5].assertValue(inc(v1));
2350	>	} catch (CompletionException ok) {
2351	>	checkCompletedWithWrappedCancellationException(h5);
2352	>	rs[5].assertNotInvoked();
2353	>	}
2354
2355	<	/**
2356	<	* thenAcceptAsync result completes normally after normal
2357	<	* completion of source
2358	<	*/
2359	<	public void testThenAcceptAsyncE() {
2360	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2361	<	IncAction r = new IncAction();
2362	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2363	<	f.complete(one);
2364	<	checkCompletedNormally(g, null);
2365	<	assertEquals(r.value, 2);
2366	<	}
2355	>	checkCancelled(f);
2356	>	checkCompletedNormally(g, v1);
2357	>	checkCompletedWithWrappedCancellationException(h0);
2358	>	checkCompletedWithWrappedCancellationException(h1);
2359	>	checkCompletedWithWrappedCancellationException(h2);
2360	>	checkCompletedWithWrappedCancellationException(h3);
2361	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2362	>	}}
2363	>
2364	>	public void testApplyToEither_sourceCancelled2() {
2365	>	for (ExecutionMode m : ExecutionMode.values())
2366	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2367	>	for (boolean fFirst : new boolean[] { true, false })
2368	>	for (Integer v1 : new Integer[] { 1, null })
2369	>	{
2370	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2371	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2372	>	final IncFunction[] rs = new IncFunction[6];
2373	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2374	>
2375	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2376	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2377	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2378	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2379	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2380	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2381
2382	<	/**
2383	<	* thenAcceptAsync result completes exceptionally after exceptional
2384	<	* completion of source
2385	<	*/
2386	<	public void testThenAcceptAsync2E() {
2387	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2388	<	IncAction r = new IncAction();
2389	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2390	<	f.completeExceptionally(new CFException());
2391	<	checkCompletedWithWrappedCFException(g);
2392	<	}
2382	>	// unspecified behavior - both source completions available
2383	>	try {
2384	>	assertEquals(inc(v1), h0.join());
2385	>	rs[0].assertValue(inc(v1));
2386	>	} catch (CompletionException ok) {
2387	>	checkCompletedWithWrappedCancellationException(h0);
2388	>	rs[0].assertNotInvoked();
2389	>	}
2390	>	try {
2391	>	assertEquals(inc(v1), h1.join());
2392	>	rs[1].assertValue(inc(v1));
2393	>	} catch (CompletionException ok) {
2394	>	checkCompletedWithWrappedCancellationException(h1);
2395	>	rs[1].assertNotInvoked();
2396	>	}
2397	>	try {
2398	>	assertEquals(inc(v1), h2.join());
2399	>	rs[2].assertValue(inc(v1));
2400	>	} catch (CompletionException ok) {
2401	>	checkCompletedWithWrappedCancellationException(h2);
2402	>	rs[2].assertNotInvoked();
2403	>	}
2404	>	try {
2405	>	assertEquals(inc(v1), h3.join());
2406	>	rs[3].assertValue(inc(v1));
2407	>	} catch (CompletionException ok) {
2408	>	checkCompletedWithWrappedCancellationException(h3);
2409	>	rs[3].assertNotInvoked();
2410	>	}
2411
2412	<	/**
2413	<	* thenAcceptAsync result completes exceptionally if action does
2414	<	*/
2213	<	public void testThenAcceptAsync3E() {
2214	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2215	<	FailingConsumer r = new FailingConsumer();
2216	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2217	<	f.complete(null);
2218	<	checkCompletedWithWrappedCFException(g);
2219	<	}
2412	>	checkCompletedNormally(f, v1);
2413	>	checkCancelled(g);
2414	>	}}
2415
2416		/**
2417	<	* thenAcceptAsync result completes exceptionally if source cancelled
2417	>	* applyToEither result completes exceptionally if action does
2418		*/
2419	<	public void testThenAcceptAsync4E() {
2420	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2421	<	IncAction r = new IncAction();
2422	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2423	<	assertTrue(f.cancel(true));
2424	<	checkCompletedWithWrappedCancellationException(g);
2425	<	}
2419	>	public void testApplyToEither_actionFailed() {
2420	>	for (ExecutionMode m : ExecutionMode.values())
2421	>	for (Integer v1 : new Integer[] { 1, null })
2422	>	for (Integer v2 : new Integer[] { 2, null })
2423	>	{
2424	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2425	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2426	>	final FailingFunction[] rs = new FailingFunction[6];
2427	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2428	>
2429	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2430	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2431	>	f.complete(v1);
2432	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2433	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2434	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2435	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2436	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2437	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2438	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2439	>
2440	>	g.complete(v2);
2441	>
2442	>	// unspecified behavior - both source completions available
2443	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2444	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2445	>
2446	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2447	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2448	>	Objects.equals(v2, rs[4].value));
2449	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2450	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2451	>	Objects.equals(v2, rs[5].value));
2452	>
2453	>	checkCompletedNormally(f, v1);
2454	>	checkCompletedNormally(g, v2);
2455	>	}}
2456
2457		/**
2458	<	* thenCombineAsync result completes normally after normal
2459	<	* completion of sources
2458	>	* acceptEither result completes normally after normal completion
2459	>	* of either source
2460		*/
2461	<	public void testThenCombineAsyncE() {
2462	<	CompletableFuture<Integer> f, g, h;
2463	<	ThreadExecutor e = new ThreadExecutor();
2464	<	int count = 0;
2465	<
2466	<	f = new CompletableFuture<>();
2467	<	g = new CompletableFuture<>();
2468	<	h = f.thenCombineAsync(g, subtract, e);
2469	<	f.complete(3);
2470	<	checkIncomplete(h);
2471	<	g.complete(1);
2472	<	checkCompletedNormally(h, 2);
2473	<	assertEquals(++count, e.count.get());
2474	<
2475	<	f = new CompletableFuture<>();
2476	<	g = new CompletableFuture<>();
2477	<	h = f.thenCombineAsync(g, subtract, e);
2478	<	g.complete(1);
2479	<	checkIncomplete(h);
2480	<	f.complete(3);
2481	<	checkCompletedNormally(h, 2);
2482	<	assertEquals(++count, e.count.get());
2483	<
2484	<	f = new CompletableFuture<>();
2485	<	g = new CompletableFuture<>();
2486	<	g.complete(1);
2487	<	f.complete(3);
2488	<	h = f.thenCombineAsync(g, subtract, e);
2489	<	checkCompletedNormally(h, 2);
2490	<	assertEquals(++count, e.count.get());
2491	<	}
2461	>	public void testAcceptEither_normalCompletion() {
2462	>	for (ExecutionMode m : ExecutionMode.values())
2463	>	for (Integer v1 : new Integer[] { 1, null })
2464	>	for (Integer v2 : new Integer[] { 2, null })
2465	>	{
2466	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2467	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2468	>	final NoopConsumer[] rs = new NoopConsumer[6];
2469	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2470	>
2471	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2472	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2473	>	checkIncomplete(h0);
2474	>	checkIncomplete(h1);
2475	>	rs[0].assertNotInvoked();
2476	>	rs[1].assertNotInvoked();
2477	>	f.complete(v1);
2478	>	checkCompletedNormally(h0, null);
2479	>	checkCompletedNormally(h1, null);
2480	>	rs[0].assertValue(v1);
2481	>	rs[1].assertValue(v1);
2482	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2483	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2484	>	checkCompletedNormally(h2, null);
2485	>	checkCompletedNormally(h3, null);
2486	>	rs[2].assertValue(v1);
2487	>	rs[3].assertValue(v1);
2488	>	g.complete(v2);
2489	>
2490	>	// unspecified behavior - both source completions available
2491	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2492	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2493	>	checkCompletedNormally(h4, null);
2494	>	checkCompletedNormally(h5, null);
2495	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2496	>	Objects.equals(v2, rs[4].value));
2497	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2498	>	Objects.equals(v2, rs[5].value));
2499	>
2500	>	checkCompletedNormally(f, v1);
2501	>	checkCompletedNormally(g, v2);
2502	>	checkCompletedNormally(h0, null);
2503	>	checkCompletedNormally(h1, null);
2504	>	checkCompletedNormally(h2, null);
2505	>	checkCompletedNormally(h3, null);
2506	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2507	>	}}
2508
2509		/**
2510	<	* thenCombineAsync result completes exceptionally after exceptional
2510	>	* acceptEither result completes exceptionally after exceptional
2511		* completion of either source
2512		*/
2513	<	public void testThenCombineAsync2E() {
2514	<	CompletableFuture<Integer> f, g, h;
2515	<	ThreadExecutor e = new ThreadExecutor();
2516	<	int count = 0;
2517	<
2518	<	f = new CompletableFuture<>();
2519	<	g = new CompletableFuture<>();
2520	<	h = f.thenCombineAsync(g, subtract, e);
2521	<	f.completeExceptionally(new CFException());
2522	<	checkIncomplete(h);
2523	<	g.complete(1);
2524	<	checkCompletedWithWrappedCFException(h);
2525	<
2526	<	f = new CompletableFuture<>();
2527	<	g = new CompletableFuture<>();
2528	<	h = f.thenCombineAsync(g, subtract, e);
2529	<	g.completeExceptionally(new CFException());
2530	<	checkIncomplete(h);
2531	<	f.complete(3);
2532	<	checkCompletedWithWrappedCFException(h);
2533	<
2534	<	f = new CompletableFuture<>();
2535	<	g = new CompletableFuture<>();
2536	<	g.completeExceptionally(new CFException());
2537	<	h = f.thenCombineAsync(g, subtract, e);
2538	<	checkIncomplete(h);
2539	<	f.complete(3);
2540	<	checkCompletedWithWrappedCFException(h);
2541	<
2542	<	assertEquals(0, e.count.get());
2543	<	}
2544	<
2545	<	/**
2546	<	* thenCombineAsync result completes exceptionally if action does
2547	<	*/
2548	<	public void testThenCombineAsync3E() {
2549	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2550	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2551	<	FailingBiFunction r = new FailingBiFunction();
2552	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2553	<	f.complete(one);
2554	<	checkIncomplete(g);
2555	<	assertFalse(r.ran);
2315	<	f2.complete(two);
2316	<	checkCompletedWithWrappedCFException(g);
2317	<	assertTrue(r.ran);
2318	<	}
2319	<
2320	<	/**
2321	<	* thenCombineAsync result completes exceptionally if either source cancelled
2322	<	*/
2323	<	public void testThenCombineAsync4E() {
2324	<	CompletableFuture<Integer> f, g, h;
2325	<	ThreadExecutor e = new ThreadExecutor();
2326	<
2327	<	f = new CompletableFuture<>();
2328	<	g = new CompletableFuture<>();
2329	<	h = f.thenCombineAsync(g, subtract, e);
2330	<	assertTrue(f.cancel(true));
2331	<	checkIncomplete(h);
2332	<	g.complete(1);
2333	<	checkCompletedWithWrappedCancellationException(h);
2334	<
2335	<	f = new CompletableFuture<>();
2336	<	g = new CompletableFuture<>();
2337	<	h = f.thenCombineAsync(g, subtract, e);
2338	<	assertTrue(g.cancel(true));
2339	<	checkIncomplete(h);
2340	<	f.complete(3);
2341	<	checkCompletedWithWrappedCancellationException(h);
2342	<
2343	<	f = new CompletableFuture<>();
2344	<	g = new CompletableFuture<>();
2345	<	assertTrue(g.cancel(true));
2346	<	h = f.thenCombineAsync(g, subtract, e);
2347	<	checkIncomplete(h);
2348	<	f.complete(3);
2349	<	checkCompletedWithWrappedCancellationException(h);
2350	<
2351	<	f = new CompletableFuture<>();
2352	<	g = new CompletableFuture<>();
2353	<	assertTrue(f.cancel(true));
2354	<	assertTrue(g.cancel(true));
2355	<	h = f.thenCombineAsync(g, subtract, e);
2356	<	checkCompletedWithWrappedCancellationException(h);
2357	<
2358	<	assertEquals(0, e.count.get());
2359	<	}
2360	<
2361	<	/**
2362	<	* thenAcceptBothAsync result completes normally after normal
2363	<	* completion of sources
2364	<	*/
2365	<	public void testThenAcceptBothAsyncE() {
2366	<	CompletableFuture<Integer> f, g;
2367	<	CompletableFuture<Void> h;
2368	<	SubtractAction r;
2369	<	ThreadExecutor e = new ThreadExecutor();
2370	<
2371	<	f = new CompletableFuture<>();
2372	<	g = new CompletableFuture<>();
2373	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2374	<	f.complete(3);
2375	<	checkIncomplete(h);
2376	<	g.complete(1);
2377	<	checkCompletedNormally(h, null);
2378	<	assertEquals(r.value, 2);
2379	<
2380	<	f = new CompletableFuture<>();
2381	<	g = new CompletableFuture<>();
2382	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2383	<	g.complete(1);
2384	<	checkIncomplete(h);
2385	<	f.complete(3);
2386	<	checkCompletedNormally(h, null);
2387	<	assertEquals(r.value, 2);
2388	<
2389	<	f = new CompletableFuture<>();
2390	<	g = new CompletableFuture<>();
2391	<	g.complete(1);
2392	<	f.complete(3);
2393	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2394	<	checkCompletedNormally(h, null);
2395	<	assertEquals(r.value, 2);
2396	<
2397	<	assertEquals(3, e.count.get());
2398	<	}
2399	<
2400	<	/**
2401	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2402	<	* completion of source
2403	<	*/
2404	<	public void testThenAcceptBothAsync2E() {
2405	<	CompletableFuture<Integer> f, g;
2406	<	CompletableFuture<Void> h;
2407	<	SubtractAction r;
2408	<	ThreadExecutor e = new ThreadExecutor();
2409	<
2410	<	f = new CompletableFuture<>();
2411	<	g = new CompletableFuture<>();
2412	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2413	<	f.completeExceptionally(new CFException());
2414	<	checkIncomplete(h);
2415	<	g.complete(1);
2416	<	checkCompletedWithWrappedCFException(h);
2417	<
2418	<	f = new CompletableFuture<>();
2419	<	g = new CompletableFuture<>();
2420	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2421	<	g.completeExceptionally(new CFException());
2422	<	checkIncomplete(h);
2423	<	f.complete(3);
2424	<	checkCompletedWithWrappedCFException(h);
2425	<
2426	<	f = new CompletableFuture<>();
2427	<	g = new CompletableFuture<>();
2428	<	f.complete(3);
2429	<	g.completeExceptionally(new CFException());
2430	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2431	<	checkCompletedWithWrappedCFException(h);
2432	<
2433	<	f = new CompletableFuture<>();
2434	<	g = new CompletableFuture<>();
2435	<	f.completeExceptionally(new CFException());
2436	<	g.complete(3);
2437	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2438	<	checkCompletedWithWrappedCFException(h);
2439	<
2440	<	assertEquals(0, e.count.get());
2441	<	}
2442	<
2443	<	/**
2444	<	* thenAcceptBothAsync result completes exceptionally if action does
2445	<	*/
2446	<	public void testThenAcceptBothAsync3E() {
2447	<	CompletableFuture<Integer> f, g;
2448	<	CompletableFuture<Void> h;
2449	<	FailingBiConsumer r;
2450	<	ThreadExecutor e = new ThreadExecutor();
2451	<
2452	<	f = new CompletableFuture<>();
2453	<	g = new CompletableFuture<>();
2454	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2455	<	f.complete(3);
2456	<	checkIncomplete(h);
2457	<	g.complete(1);
2458	<	checkCompletedWithWrappedCFException(h);
2459	<
2460	<	f = new CompletableFuture<>();
2461	<	g = new CompletableFuture<>();
2462	<	f.complete(3);
2463	<	g.complete(1);
2464	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2465	<	checkCompletedWithWrappedCFException(h);
2466	<
2467	<	assertEquals(2, e.count.get());
2468	<	}
2469	<
2470	<	/**
2471	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2472	<	*/
2473	<	public void testThenAcceptBothAsync4E() {
2474	<	CompletableFuture<Integer> f, g;
2475	<	CompletableFuture<Void> h;
2476	<	SubtractAction r;
2477	<	ThreadExecutor e = new ThreadExecutor();
2478	<
2479	<	f = new CompletableFuture<>();
2480	<	g = new CompletableFuture<>();
2481	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2482	<	assertTrue(f.cancel(true));
2483	<	checkIncomplete(h);
2484	<	g.complete(1);
2485	<	checkCompletedWithWrappedCancellationException(h);
2486	<
2487	<	f = new CompletableFuture<>();
2488	<	g = new CompletableFuture<>();
2489	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2490	<	assertTrue(g.cancel(true));
2491	<	checkIncomplete(h);
2492	<	f.complete(3);
2493	<	checkCompletedWithWrappedCancellationException(h);
2494	<
2495	<	f = new CompletableFuture<>();
2496	<	g = new CompletableFuture<>();
2497	<	f.complete(3);
2498	<	assertTrue(g.cancel(true));
2499	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2500	<	checkCompletedWithWrappedCancellationException(h);
2501	<
2502	<	f = new CompletableFuture<>();
2503	<	g = new CompletableFuture<>();
2504	<	assertTrue(f.cancel(true));
2505	<	g.complete(3);
2506	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2507	<	checkCompletedWithWrappedCancellationException(h);
2508	<
2509	<	assertEquals(0, e.count.get());
2510	<	}
2511	<
2512	<	/**
2513	<	* runAfterBothAsync result completes normally after normal
2514	<	* completion of sources
2515	<	*/
2516	<	public void testRunAfterBothAsyncE() {
2517	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2518	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2519	<	Noop r = new Noop();
2520	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2521	<	f.complete(one);
2522	<	checkIncomplete(g);
2523	<	f2.complete(two);
2524	<	checkCompletedNormally(g, null);
2525	<	assertTrue(r.ran);
2526	<	}
2527	<
2528	<	/**
2529	<	* runAfterBothAsync result completes exceptionally after exceptional
2530	<	* completion of source
2531	<	*/
2532	<	public void testRunAfterBothAsync2E() {
2533	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2534	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2535	<	Noop r = new Noop();
2536	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2537	<	f.completeExceptionally(new CFException());
2538	<	f2.complete(two);
2539	<	checkCompletedWithWrappedCFException(g);
2513	>	public void testAcceptEither_exceptionalCompletion() {
2514	>	for (ExecutionMode m : ExecutionMode.values())
2515	>	for (Integer v1 : new Integer[] { 1, null })
2516	>	{
2517	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2518	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2519	>	final CFException ex = new CFException();
2520	>	final NoopConsumer[] rs = new NoopConsumer[6];
2521	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2522	>
2523	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2524	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2525	>	checkIncomplete(h0);
2526	>	checkIncomplete(h1);
2527	>	rs[0].assertNotInvoked();
2528	>	rs[1].assertNotInvoked();
2529	>	f.completeExceptionally(ex);
2530	>	checkCompletedWithWrappedException(h0, ex);
2531	>	checkCompletedWithWrappedException(h1, ex);
2532	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2533	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2534	>	checkCompletedWithWrappedException(h2, ex);
2535	>	checkCompletedWithWrappedException(h3, ex);
2536	>
2537	>	g.complete(v1);
2538	>
2539	>	// unspecified behavior - both source completions available
2540	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2541	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2542	>	try {
2543	>	assertNull(h4.join());
2544	>	rs[4].assertValue(v1);
2545	>	} catch (CompletionException ok) {
2546	>	checkCompletedWithWrappedException(h4, ex);
2547	>	rs[4].assertNotInvoked();
2548	>	}
2549	>	try {
2550	>	assertNull(h5.join());
2551	>	rs[5].assertValue(v1);
2552	>	} catch (CompletionException ok) {
2553	>	checkCompletedWithWrappedException(h5, ex);
2554	>	rs[5].assertNotInvoked();
2555	>	}
2556
2557	<	r = new Noop();
2558	<	f = new CompletableFuture<>();
2559	<	f2 = new CompletableFuture<>();
2560	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2561	<	f.complete(one);
2562	<	f2.completeExceptionally(new CFException());
2563	<	checkCompletedWithWrappedCFException(g);
2564	<	}
2557	>	checkCompletedExceptionally(f, ex);
2558	>	checkCompletedNormally(g, v1);
2559	>	checkCompletedWithWrappedException(h0, ex);
2560	>	checkCompletedWithWrappedException(h1, ex);
2561	>	checkCompletedWithWrappedException(h2, ex);
2562	>	checkCompletedWithWrappedException(h3, ex);
2563	>	checkCompletedWithWrappedException(h4, ex);
2564	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2565	>	}}
2566	>
2567	>	public void testAcceptEither_exceptionalCompletion2() {
2568	>	for (ExecutionMode m : ExecutionMode.values())
2569	>	for (boolean fFirst : new boolean[] { true, false })
2570	>	for (Integer v1 : new Integer[] { 1, null })
2571	>	{
2572	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2573	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2574	>	final CFException ex = new CFException();
2575	>	final NoopConsumer[] rs = new NoopConsumer[6];
2576	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2577	>
2578	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2579	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2580	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2581	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2582	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2583	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2584
2585	<	/**
2586	<	* runAfterBothAsync result completes exceptionally if action does
2587	<	*/
2588	<	public void testRunAfterBothAsync3E() {
2589	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2590	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2591	<	FailingNoop r = new FailingNoop();
2592	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2593	<	f.complete(one);
2594	<	checkIncomplete(g);
2595	<	f2.complete(two);
2596	<	checkCompletedWithWrappedCFException(g);
2597	<	}
2598	<
2599	<	/**
2600	<	* runAfterBothAsync result completes exceptionally if either source cancelled
2601	<	*/
2602	<	public void testRunAfterBothAsync4E() {
2603	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2604	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2605	<	Noop r = new Noop();
2606	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2607	<	assertTrue(f.cancel(true));
2608	<	f2.complete(two);
2609	<	checkCompletedWithWrappedCancellationException(g);
2585	>	// unspecified behavior - both source completions available
2586	>	try {
2587	>	assertNull(h0.join());
2588	>	rs[0].assertValue(v1);
2589	>	} catch (CompletionException ok) {
2590	>	checkCompletedWithWrappedException(h0, ex);
2591	>	rs[0].assertNotInvoked();
2592	>	}
2593	>	try {
2594	>	assertNull(h1.join());
2595	>	rs[1].assertValue(v1);
2596	>	} catch (CompletionException ok) {
2597	>	checkCompletedWithWrappedException(h1, ex);
2598	>	rs[1].assertNotInvoked();
2599	>	}
2600	>	try {
2601	>	assertNull(h2.join());
2602	>	rs[2].assertValue(v1);
2603	>	} catch (CompletionException ok) {
2604	>	checkCompletedWithWrappedException(h2, ex);
2605	>	rs[2].assertNotInvoked();
2606	>	}
2607	>	try {
2608	>	assertNull(h3.join());
2609	>	rs[3].assertValue(v1);
2610	>	} catch (CompletionException ok) {
2611	>	checkCompletedWithWrappedException(h3, ex);
2612	>	rs[3].assertNotInvoked();
2613	>	}
2614
2615	<	r = new Noop();
2616	<	f = new CompletableFuture<>();
2617	<	f2 = new CompletableFuture<>();
2579	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2580	<	f.complete(one);
2581	<	assertTrue(f2.cancel(true));
2582	<	checkCompletedWithWrappedCancellationException(g);
2583	<	}
2615	>	checkCompletedNormally(f, v1);
2616	>	checkCompletedExceptionally(g, ex);
2617	>	}}
2618
2619		/**
2620	<	* applyToEitherAsync result completes normally after normal
2587	<	* completion of sources
2620	>	* acceptEither result completes exceptionally if either source cancelled
2621		*/
2622	<	public void testApplyToEitherAsyncE() {
2623	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2624	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2625	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2626	<	f.complete(one);
2627	<	checkCompletedNormally(g, two);
2622	>	public void testAcceptEither_sourceCancelled() {
2623	>	for (ExecutionMode m : ExecutionMode.values())
2624	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2625	>	for (Integer v1 : new Integer[] { 1, null })
2626	>	{
2627	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2628	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2629	>	final NoopConsumer[] rs = new NoopConsumer[6];
2630	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2631	>
2632	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2633	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2634	>	checkIncomplete(h0);
2635	>	checkIncomplete(h1);
2636	>	rs[0].assertNotInvoked();
2637	>	rs[1].assertNotInvoked();
2638	>	f.cancel(mayInterruptIfRunning);
2639	>	checkCompletedWithWrappedCancellationException(h0);
2640	>	checkCompletedWithWrappedCancellationException(h1);
2641	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2642	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2643	>	checkCompletedWithWrappedCancellationException(h2);
2644	>	checkCompletedWithWrappedCancellationException(h3);
2645	>
2646	>	g.complete(v1);
2647	>
2648	>	// unspecified behavior - both source completions available
2649	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2650	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2651	>	try {
2652	>	assertNull(h4.join());
2653	>	rs[4].assertValue(v1);
2654	>	} catch (CompletionException ok) {
2655	>	checkCompletedWithWrappedCancellationException(h4);
2656	>	rs[4].assertNotInvoked();
2657	>	}
2658	>	try {
2659	>	assertNull(h5.join());
2660	>	rs[5].assertValue(v1);
2661	>	} catch (CompletionException ok) {
2662	>	checkCompletedWithWrappedCancellationException(h5);
2663	>	rs[5].assertNotInvoked();
2664	>	}
2665
2666	<	f = new CompletableFuture<>();
2667	<	f.complete(one);
2668	<	f2 = new CompletableFuture<>();
2669	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2670	<	checkCompletedNormally(g, two);
2671	<	}
2666	>	checkCancelled(f);
2667	>	checkCompletedNormally(g, v1);
2668	>	checkCompletedWithWrappedCancellationException(h0);
2669	>	checkCompletedWithWrappedCancellationException(h1);
2670	>	checkCompletedWithWrappedCancellationException(h2);
2671	>	checkCompletedWithWrappedCancellationException(h3);
2672	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2673	>	}}
2674
2675		/**
2676	<	* applyToEitherAsync result completes exceptionally after exceptional
2605	<	* completion of source
2676	>	* acceptEither result completes exceptionally if action does
2677		*/
2678	<	public void testApplyToEitherAsync2E() {
2679	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2680	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2681	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2682	<	f.completeExceptionally(new CFException());
2683	<	checkCompletedWithWrappedCFException(g);
2684	<
2685	<	f = new CompletableFuture<>();
2686	<	f2 = new CompletableFuture<>();
2687	<	f2.completeExceptionally(new CFException());
2688	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2689	<	f.complete(one);
2690	<	checkCompletedWithWrappedCFException(g);
2691	<	}
2678	>	public void testAcceptEither_actionFailed() {
2679	>	for (ExecutionMode m : ExecutionMode.values())
2680	>	for (Integer v1 : new Integer[] { 1, null })
2681	>	for (Integer v2 : new Integer[] { 2, null })
2682	>	{
2683	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2684	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2685	>	final FailingConsumer[] rs = new FailingConsumer[6];
2686	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2687	>
2688	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2689	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2690	>	f.complete(v1);
2691	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2692	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2693	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2694	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2695	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2696	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2697	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2698	>
2699	>	g.complete(v2);
2700	>
2701	>	// unspecified behavior - both source completions available
2702	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2703	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2704	>
2705	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2706	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2707	>	Objects.equals(v2, rs[4].value));
2708	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2709	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2710	>	Objects.equals(v2, rs[5].value));
2711	>
2712	>	checkCompletedNormally(f, v1);
2713	>	checkCompletedNormally(g, v2);
2714	>	}}
2715
2716		/**
2717	<	* applyToEitherAsync result completes exceptionally if action does
2717	>	* runAfterEither result completes normally after normal completion
2718	>	* of either source
2719		*/
2720	<	public void testApplyToEitherAsync3E() {
2721	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2722	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2723	<	FailingFunction r = new FailingFunction();
2724	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2725	<	f.complete(one);
2726	<	checkCompletedWithWrappedCFException(g);
2727	<	}
2720	>	public void testRunAfterEither_normalCompletion() {
2721	>	for (ExecutionMode m : ExecutionMode.values())
2722	>	for (Integer v1 : new Integer[] { 1, null })
2723	>	for (Integer v2 : new Integer[] { 2, null })
2724	>	for (boolean pushNop : new boolean[] { true, false })
2725	>	{
2726	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2727	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2728	>	final Noop[] rs = new Noop[6];
2729	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2730	>
2731	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2732	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2733	>	checkIncomplete(h0);
2734	>	checkIncomplete(h1);
2735	>	rs[0].assertNotInvoked();
2736	>	rs[1].assertNotInvoked();
2737	>	if (pushNop) {          // ad hoc test of intra-completion interference
2738	>	m.thenRun(f, () -> {});
2739	>	m.thenRun(g, () -> {});
2740	>	}
2741	>	f.complete(v1);
2742	>	checkCompletedNormally(h0, null);
2743	>	checkCompletedNormally(h1, null);
2744	>	rs[0].assertInvoked();
2745	>	rs[1].assertInvoked();
2746	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2747	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2748	>	checkCompletedNormally(h2, null);
2749	>	checkCompletedNormally(h3, null);
2750	>	rs[2].assertInvoked();
2751	>	rs[3].assertInvoked();
2752	>
2753	>	g.complete(v2);
2754	>
2755	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2756	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2757	>
2758	>	checkCompletedNormally(f, v1);
2759	>	checkCompletedNormally(g, v2);
2760	>	checkCompletedNormally(h0, null);
2761	>	checkCompletedNormally(h1, null);
2762	>	checkCompletedNormally(h2, null);
2763	>	checkCompletedNormally(h3, null);
2764	>	checkCompletedNormally(h4, null);
2765	>	checkCompletedNormally(h5, null);
2766	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2767	>	}}
2768
2769		/**
2770	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2770	>	* runAfterEither result completes exceptionally after exceptional
2771	>	* completion of either source
2772		*/
2773	<	public void testApplyToEitherAsync4E() {
2774	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2775	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2776	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2777	<	assertTrue(f.cancel(true));
2778	<	checkCompletedWithWrappedCancellationException(g);
2773	>	public void testRunAfterEither_exceptionalCompletion() {
2774	>	for (ExecutionMode m : ExecutionMode.values())
2775	>	for (Integer v1 : new Integer[] { 1, null })
2776	>	{
2777	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2778	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2779	>	final CFException ex = new CFException();
2780	>	final Noop[] rs = new Noop[6];
2781	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2782	>
2783	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2784	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2785	>	checkIncomplete(h0);
2786	>	checkIncomplete(h1);
2787	>	rs[0].assertNotInvoked();
2788	>	rs[1].assertNotInvoked();
2789	>	assertTrue(f.completeExceptionally(ex));
2790	>	checkCompletedWithWrappedException(h0, ex);
2791	>	checkCompletedWithWrappedException(h1, ex);
2792	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2793	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2794	>	checkCompletedWithWrappedException(h2, ex);
2795	>	checkCompletedWithWrappedException(h3, ex);
2796	>
2797	>	assertTrue(g.complete(v1));
2798	>
2799	>	// unspecified behavior - both source completions available
2800	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2801	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2802	>	try {
2803	>	assertNull(h4.join());
2804	>	rs[4].assertInvoked();
2805	>	} catch (CompletionException ok) {
2806	>	checkCompletedWithWrappedException(h4, ex);
2807	>	rs[4].assertNotInvoked();
2808	>	}
2809	>	try {
2810	>	assertNull(h5.join());
2811	>	rs[5].assertInvoked();
2812	>	} catch (CompletionException ok) {
2813	>	checkCompletedWithWrappedException(h5, ex);
2814	>	rs[5].assertNotInvoked();
2815	>	}
2816
2817	<	f = new CompletableFuture<>();
2818	<	f2 = new CompletableFuture<>();
2819	<	assertTrue(f2.cancel(true));
2820	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2821	<	checkCompletedWithWrappedCancellationException(g);
2822	<	}
2817	>	checkCompletedExceptionally(f, ex);
2818	>	checkCompletedNormally(g, v1);
2819	>	checkCompletedWithWrappedException(h0, ex);
2820	>	checkCompletedWithWrappedException(h1, ex);
2821	>	checkCompletedWithWrappedException(h2, ex);
2822	>	checkCompletedWithWrappedException(h3, ex);
2823	>	checkCompletedWithWrappedException(h4, ex);
2824	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2825	>	}}
2826	>
2827	>	public void testRunAfterEither_exceptionalCompletion2() {
2828	>	for (ExecutionMode m : ExecutionMode.values())
2829	>	for (boolean fFirst : new boolean[] { true, false })
2830	>	for (Integer v1 : new Integer[] { 1, null })
2831	>	{
2832	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2833	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2834	>	final CFException ex = new CFException();
2835	>	final Noop[] rs = new Noop[6];
2836	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2837	>
2838	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2839	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2840	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2841	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2842	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2843	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2844
2845	<	/**
2846	<	* acceptEitherAsync result completes normally after normal
2847	<	* completion of sources
2848	<	*/
2849	<	public void testAcceptEitherAsyncE() {
2850	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2851	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2852	<	IncAction r = new IncAction();
2853	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2854	<	f.complete(one);
2855	<	checkCompletedNormally(g, null);
2856	<	assertEquals(r.value, 2);
2845	>	// unspecified behavior - both source completions available
2846	>	try {
2847	>	assertNull(h0.join());
2848	>	rs[0].assertInvoked();
2849	>	} catch (CompletionException ok) {
2850	>	checkCompletedWithWrappedException(h0, ex);
2851	>	rs[0].assertNotInvoked();
2852	>	}
2853	>	try {
2854	>	assertNull(h1.join());
2855	>	rs[1].assertInvoked();
2856	>	} catch (CompletionException ok) {
2857	>	checkCompletedWithWrappedException(h1, ex);
2858	>	rs[1].assertNotInvoked();
2859	>	}
2860	>	try {
2861	>	assertNull(h2.join());
2862	>	rs[2].assertInvoked();
2863	>	} catch (CompletionException ok) {
2864	>	checkCompletedWithWrappedException(h2, ex);
2865	>	rs[2].assertNotInvoked();
2866	>	}
2867	>	try {
2868	>	assertNull(h3.join());
2869	>	rs[3].assertInvoked();
2870	>	} catch (CompletionException ok) {
2871	>	checkCompletedWithWrappedException(h3, ex);
2872	>	rs[3].assertNotInvoked();
2873	>	}
2874
2875	<	r = new IncAction();
2876	<	f = new CompletableFuture<>();
2877	<	f.complete(one);
2667	<	f2 = new CompletableFuture<>();
2668	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2669	<	checkCompletedNormally(g, null);
2670	<	assertEquals(r.value, 2);
2671	<	}
2875	>	checkCompletedNormally(f, v1);
2876	>	checkCompletedExceptionally(g, ex);
2877	>	}}
2878
2879		/**
2880	<	* acceptEitherAsync result completes exceptionally after exceptional
2675	<	* completion of source
2880	>	* runAfterEither result completes exceptionally if either source cancelled
2881		*/
2882	<	public void testAcceptEitherAsync2E() {
2883	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2884	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2885	<	IncAction r = new IncAction();
2886	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2887	<	f.completeExceptionally(new CFException());
2888	<	checkCompletedWithWrappedCFException(g);
2889	<
2890	<	r = new IncAction();
2891	<	f = new CompletableFuture<>();
2892	<	f2 = new CompletableFuture<>();
2893	<	f2.completeExceptionally(new CFException());
2894	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2895	<	f.complete(one);
2896	<	checkCompletedWithWrappedCFException(g);
2897	<	}
2882	>	public void testRunAfterEither_sourceCancelled() {
2883	>	for (ExecutionMode m : ExecutionMode.values())
2884	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2885	>	for (Integer v1 : new Integer[] { 1, null })
2886	>	{
2887	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2888	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2889	>	final Noop[] rs = new Noop[6];
2890	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2891	>
2892	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2893	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2894	>	checkIncomplete(h0);
2895	>	checkIncomplete(h1);
2896	>	rs[0].assertNotInvoked();
2897	>	rs[1].assertNotInvoked();
2898	>	f.cancel(mayInterruptIfRunning);
2899	>	checkCompletedWithWrappedCancellationException(h0);
2900	>	checkCompletedWithWrappedCancellationException(h1);
2901	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2902	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2903	>	checkCompletedWithWrappedCancellationException(h2);
2904	>	checkCompletedWithWrappedCancellationException(h3);
2905	>
2906	>	assertTrue(g.complete(v1));
2907	>
2908	>	// unspecified behavior - both source completions available
2909	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2910	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2911	>	try {
2912	>	assertNull(h4.join());
2913	>	rs[4].assertInvoked();
2914	>	} catch (CompletionException ok) {
2915	>	checkCompletedWithWrappedCancellationException(h4);
2916	>	rs[4].assertNotInvoked();
2917	>	}
2918	>	try {
2919	>	assertNull(h5.join());
2920	>	rs[5].assertInvoked();
2921	>	} catch (CompletionException ok) {
2922	>	checkCompletedWithWrappedCancellationException(h5);
2923	>	rs[5].assertNotInvoked();
2924	>	}
2925
2926	<	/**
2927	<	* acceptEitherAsync result completes exceptionally if action does
2928	<	*/
2929	<	public void testAcceptEitherAsync3E() {
2930	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2931	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2932	<	FailingConsumer r = new FailingConsumer();
2933	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2702	<	f.complete(one);
2703	<	checkCompletedWithWrappedCFException(g);
2704	<	}
2926	>	checkCancelled(f);
2927	>	checkCompletedNormally(g, v1);
2928	>	checkCompletedWithWrappedCancellationException(h0);
2929	>	checkCompletedWithWrappedCancellationException(h1);
2930	>	checkCompletedWithWrappedCancellationException(h2);
2931	>	checkCompletedWithWrappedCancellationException(h3);
2932	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2933	>	}}
2934
2935		/**
2936	<	* acceptEitherAsync result completes exceptionally if either
2708	<	* source cancelled
2936	>	* runAfterEither result completes exceptionally if action does
2937		*/
2938	<	public void testAcceptEitherAsync4E() {
2939	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2940	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2941	<	IncAction r = new IncAction();
2942	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2943	<	assertTrue(f.cancel(true));
2944	<	checkCompletedWithWrappedCancellationException(g);
2945	<
2946	<	r = new IncAction();
2947	<	f = new CompletableFuture<>();
2948	<	f2 = new CompletableFuture<>();
2949	<	assertTrue(f2.cancel(true));
2950	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2951	<	checkCompletedWithWrappedCancellationException(g);
2952	<	}
2938	>	public void testRunAfterEither_actionFailed() {
2939	>	for (ExecutionMode m : ExecutionMode.values())
2940	>	for (Integer v1 : new Integer[] { 1, null })
2941	>	for (Integer v2 : new Integer[] { 2, null })
2942	>	{
2943	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2944	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2945	>	final FailingRunnable[] rs = new FailingRunnable[6];
2946	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2947	>
2948	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2949	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2950	>	assertTrue(f.complete(v1));
2951	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2952	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2953	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2954	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2955	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2956	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2957	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2958	>	assertTrue(g.complete(v2));
2959	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2960	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2961	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2962	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2963	>
2964	>	checkCompletedNormally(f, v1);
2965	>	checkCompletedNormally(g, v2);
2966	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2967	>	}}
2968
2969		/**
2970	<	* runAfterEitherAsync result completes normally after normal
2728	<	* completion of sources
2970	>	* thenCompose result completes normally after normal completion of source
2971		*/
2972	<	public void testRunAfterEitherAsyncE() {
2973	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2974	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2975	<	Noop r = new Noop();
2976	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2977	<	f.complete(one);
2978	<	checkCompletedNormally(g, null);
2979	<	assertTrue(r.ran);
2980	<
2981	<	r = new Noop();
2982	<	f = new CompletableFuture<>();
2983	<	f.complete(one);
2984	<	f2 = new CompletableFuture<>();
2985	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2986	<	checkCompletedNormally(g, null);
2745	<	assertTrue(r.ran);
2746	<	}
2972	>	public void testThenCompose_normalCompletion() {
2973	>	for (ExecutionMode m : ExecutionMode.values())
2974	>	for (boolean createIncomplete : new boolean[] { true, false })
2975	>	for (Integer v1 : new Integer[] { 1, null })
2976	>	{
2977	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2978	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2979	>	if (!createIncomplete) assertTrue(f.complete(v1));
2980	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2981	>	if (createIncomplete) assertTrue(f.complete(v1));
2982	>
2983	>	checkCompletedNormally(g, inc(v1));
2984	>	checkCompletedNormally(f, v1);
2985	>	r.assertValue(v1);
2986	>	}}
2987
2988		/**
2989	<	* runAfterEitherAsync result completes exceptionally after exceptional
2989	>	* thenCompose result completes exceptionally after exceptional
2990		* completion of source
2991		*/
2992	<	public void testRunAfterEitherAsync2E() {
2993	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2994	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2995	<	Noop r = new Noop();
2996	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2997	<	f.completeExceptionally(new CFException());
2998	<	checkCompletedWithWrappedCFException(g);
2999	<
3000	<	r = new Noop();
3001	<	f = new CompletableFuture<>();
3002	<	f2 = new CompletableFuture<>();
3003	<	f2.completeExceptionally(new CFException());
3004	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3005	<	f.complete(one);
3006	<	checkCompletedWithWrappedCFException(g);
2767	<	}
2992	>	public void testThenCompose_exceptionalCompletion() {
2993	>	for (ExecutionMode m : ExecutionMode.values())
2994	>	for (boolean createIncomplete : new boolean[] { true, false })
2995	>	{
2996	>	final CFException ex = new CFException();
2997	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2998	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2999	>	if (!createIncomplete) f.completeExceptionally(ex);
3000	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3001	>	if (createIncomplete) f.completeExceptionally(ex);
3002	>
3003	>	checkCompletedWithWrappedException(g, ex);
3004	>	checkCompletedExceptionally(f, ex);
3005	>	r.assertNotInvoked();
3006	>	}}
3007
3008		/**
3009	<	* runAfterEitherAsync result completes exceptionally if action does
3009	>	* thenCompose result completes exceptionally if action does
3010		*/
3011	<	public void testRunAfterEitherAsync3E() {
3012	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3013	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3014	<	FailingNoop r = new FailingNoop();
3015	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3016	<	f.complete(one);
3017	<	checkCompletedWithWrappedCFException(g);
3018	<	}
3011	>	public void testThenCompose_actionFailed() {
3012	>	for (ExecutionMode m : ExecutionMode.values())
3013	>	for (boolean createIncomplete : new boolean[] { true, false })
3014	>	for (Integer v1 : new Integer[] { 1, null })
3015	>	{
3016	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3017	>	final FailingCompletableFutureFunction r
3018	>	= new FailingCompletableFutureFunction(m);
3019	>	if (!createIncomplete) assertTrue(f.complete(v1));
3020	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3021	>	if (createIncomplete) assertTrue(f.complete(v1));
3022	>
3023	>	checkCompletedWithWrappedException(g, r.ex);
3024	>	checkCompletedNormally(f, v1);
3025	>	}}
3026
3027		/**
3028	<	* runAfterEitherAsync result completes exceptionally if either
2783	<	* source cancelled
3028	>	* thenCompose result completes exceptionally if source cancelled
3029		*/
3030	<	public void testRunAfterEitherAsync4E() {
3031	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3032	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3033	<	Noop r = new Noop();
3034	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3035	<	assertTrue(f.cancel(true));
3036	<	checkCompletedWithWrappedCancellationException(g);
3030	>	public void testThenCompose_sourceCancelled() {
3031	>	for (ExecutionMode m : ExecutionMode.values())
3032	>	for (boolean createIncomplete : new boolean[] { true, false })
3033	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3034	>	{
3035	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3036	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3037	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3038	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3039	>	if (createIncomplete) {
3040	>	checkIncomplete(g);
3041	>	assertTrue(f.cancel(mayInterruptIfRunning));
3042	>	}
3043
2793	–	r = new Noop();
2794	–	f = new CompletableFuture<>();
2795	–	f2 = new CompletableFuture<>();
2796	–	assertTrue(f2.cancel(true));
2797	–	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3044		checkCompletedWithWrappedCancellationException(g);
3045	<	}
3046	<
2801	<	/**
2802	<	* thenComposeAsync result completes normally after normal
2803	<	* completion of source
2804	<	*/
2805	<	public void testThenComposeAsyncE() {
2806	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2807	<	CompletableFutureInc r = new CompletableFutureInc();
2808	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2809	<	f.complete(one);
2810	<	checkCompletedNormally(g, two);
2811	<	}
2812	<
2813	<	/**
2814	<	* thenComposeAsync result completes exceptionally after
2815	<	* exceptional completion of source
2816	<	*/
2817	<	public void testThenComposeAsync2E() {
2818	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2819	<	CompletableFutureInc r = new CompletableFutureInc();
2820	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2821	<	f.completeExceptionally(new CFException());
2822	<	checkCompletedWithWrappedCFException(g);
2823	<	}
3045	>	checkCancelled(f);
3046	>	}}
3047
3048		/**
3049	<	* thenComposeAsync result completes exceptionally if action does
3049	>	* thenCompose result completes exceptionally if the result of the action does
3050		*/
3051	<	public void testThenComposeAsync3E() {
3052	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3053	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3054	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3055	<	f.complete(one);
3056	<	checkCompletedWithWrappedCFException(g);
3057	<	}
3051	>	public void testThenCompose_actionReturnsFailingFuture() {
3052	>	for (ExecutionMode m : ExecutionMode.values())
3053	>	for (int order = 0; order < 6; order++)
3054	>	for (Integer v1 : new Integer[] { 1, null })
3055	>	{
3056	>	final CFException ex = new CFException();
3057	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3058	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3059	>	final CompletableFuture<Integer> h;
3060	>	// Test all permutations of orders
3061	>	switch (order) {
3062	>	case 0:
3063	>	assertTrue(f.complete(v1));
3064	>	assertTrue(g.completeExceptionally(ex));
3065	>	h = m.thenCompose(f, (x -> g));
3066	>	break;
3067	>	case 1:
3068	>	assertTrue(f.complete(v1));
3069	>	h = m.thenCompose(f, (x -> g));
3070	>	assertTrue(g.completeExceptionally(ex));
3071	>	break;
3072	>	case 2:
3073	>	assertTrue(g.completeExceptionally(ex));
3074	>	assertTrue(f.complete(v1));
3075	>	h = m.thenCompose(f, (x -> g));
3076	>	break;
3077	>	case 3:
3078	>	assertTrue(g.completeExceptionally(ex));
3079	>	h = m.thenCompose(f, (x -> g));
3080	>	assertTrue(f.complete(v1));
3081	>	break;
3082	>	case 4:
3083	>	h = m.thenCompose(f, (x -> g));
3084	>	assertTrue(f.complete(v1));
3085	>	assertTrue(g.completeExceptionally(ex));
3086	>	break;
3087	>	case 5:
3088	>	h = m.thenCompose(f, (x -> g));
3089	>	assertTrue(f.complete(v1));
3090	>	assertTrue(g.completeExceptionally(ex));
3091	>	break;
3092	>	default: throw new AssertionError();
3093	>	}
3094
3095	<	/**
3096	<	* thenComposeAsync result completes exceptionally if source cancelled
3097	<	*/
3098	<	public void testThenComposeAsync4E() {
2840	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2841	<	CompletableFutureInc r = new CompletableFutureInc();
2842	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2843	<	assertTrue(f.cancel(true));
2844	<	checkCompletedWithWrappedCancellationException(g);
2845	<	}
3095	>	checkCompletedExceptionally(g, ex);
3096	>	checkCompletedWithWrappedException(h, ex);
3097	>	checkCompletedNormally(f, v1);
3098	>	}}
3099
3100		// other static methods
3101
#	Line 2860 | Line 3113 | public class CompletableFutureTest exten
3113		* when all components complete normally
3114		*/
3115		public void testAllOf_normal() throws Exception {
3116	<	for (int k = 1; k < 20; ++k) {
3117	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3118	<	for (int i = 0; i < k; ++i)
3116	>	for (int k = 1; k < 10; k++) {
3117	>	CompletableFuture<Integer>[] fs
3118	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3119	>	for (int i = 0; i < k; i++)
3120	>	fs[i] = new CompletableFuture<>();
3121	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3122	>	for (int i = 0; i < k; i++) {
3123	>	checkIncomplete(f);
3124	>	checkIncomplete(CompletableFuture.allOf(fs));
3125	>	fs[i].complete(one);
3126	>	}
3127	>	checkCompletedNormally(f, null);
3128	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3129	>	}
3130	>	}
3131	>
3132	>	public void testAllOf_normal_backwards() throws Exception {
3133	>	for (int k = 1; k < 10; k++) {
3134	>	CompletableFuture<Integer>[] fs
3135	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3136	>	for (int i = 0; i < k; i++)
3137		fs[i] = new CompletableFuture<>();
3138		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3139	<	for (int i = 0; i < k; ++i) {
3139	>	for (int i = k - 1; i >= 0; i--) {
3140		checkIncomplete(f);
3141		checkIncomplete(CompletableFuture.allOf(fs));
3142		fs[i].complete(one);
#	Line 2875 | Line 3146 | public class CompletableFutureTest exten
3146		}
3147		}
3148
3149	+	public void testAllOf_exceptional() throws Exception {
3150	+	for (int k = 1; k < 10; k++) {
3151	+	CompletableFuture<Integer>[] fs
3152	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3153	+	CFException ex = new CFException();
3154	+	for (int i = 0; i < k; i++)
3155	+	fs[i] = new CompletableFuture<>();
3156	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3157	+	for (int i = 0; i < k; i++) {
3158	+	checkIncomplete(f);
3159	+	checkIncomplete(CompletableFuture.allOf(fs));
3160	+	if (i != k / 2) {
3161	+	fs[i].complete(i);
3162	+	checkCompletedNormally(fs[i], i);
3163	+	} else {
3164	+	fs[i].completeExceptionally(ex);
3165	+	checkCompletedExceptionally(fs[i], ex);
3166	+	}
3167	+	}
3168	+	checkCompletedWithWrappedException(f, ex);
3169	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3170	+	}
3171	+	}
3172	+
3173		/**
3174		* anyOf(no component futures) returns an incomplete future
3175		*/
3176		public void testAnyOf_empty() throws Exception {
3177	+	for (Integer v1 : new Integer[] { 1, null })
3178	+	{
3179		CompletableFuture<Object> f = CompletableFuture.anyOf();
3180		checkIncomplete(f);
3181	<	}
3181	>
3182	>	f.complete(v1);
3183	>	checkCompletedNormally(f, v1);
3184	>	}}
3185
3186		/**
3187		* anyOf returns a future completed normally with a value when
3188		* a component future does
3189		*/
3190		public void testAnyOf_normal() throws Exception {
3191	<	for (int k = 0; k < 10; ++k) {
3191	>	for (int k = 0; k < 10; k++) {
3192		CompletableFuture[] fs = new CompletableFuture[k];
3193	<	for (int i = 0; i < k; ++i)
3193	>	for (int i = 0; i < k; i++)
3194		fs[i] = new CompletableFuture<>();
3195		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3196		checkIncomplete(f);
3197	<	for (int i = 0; i < k; ++i) {
3198	<	fs[i].complete(one);
3199	<	checkCompletedNormally(f, one);
3200	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3197	>	for (int i = 0; i < k; i++) {
3198	>	fs[i].complete(i);
3199	>	checkCompletedNormally(f, 0);
3200	>	int x = (int) CompletableFuture.anyOf(fs).join();
3201	>	assertTrue(0 <= x && x <= i);
3202	>	}
3203	>	}
3204	>	}
3205	>	public void testAnyOf_normal_backwards() throws Exception {
3206	>	for (int k = 0; k < 10; k++) {
3207	>	CompletableFuture[] fs = new CompletableFuture[k];
3208	>	for (int i = 0; i < k; i++)
3209	>	fs[i] = new CompletableFuture<>();
3210	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3211	>	checkIncomplete(f);
3212	>	for (int i = k - 1; i >= 0; i--) {
3213	>	fs[i].complete(i);
3214	>	checkCompletedNormally(f, k - 1);
3215	>	int x = (int) CompletableFuture.anyOf(fs).join();
3216	>	assertTrue(i <= x && x <= k - 1);
3217		}
3218		}
3219		}
#	Line 2906 | Line 3222 | public class CompletableFutureTest exten
3222		* anyOf result completes exceptionally when any component does.
3223		*/
3224		public void testAnyOf_exceptional() throws Exception {
3225	<	for (int k = 0; k < 10; ++k) {
3225	>	for (int k = 0; k < 10; k++) {
3226		CompletableFuture[] fs = new CompletableFuture[k];
3227	<	for (int i = 0; i < k; ++i)
3227	>	CFException[] exs = new CFException[k];
3228	>	for (int i = 0; i < k; i++) {
3229		fs[i] = new CompletableFuture<>();
3230	+	exs[i] = new CFException();
3231	+	}
3232		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3233		checkIncomplete(f);
3234	<	for (int i = 0; i < k; ++i) {
3235	<	fs[i].completeExceptionally(new CFException());
3236	<	checkCompletedWithWrappedCFException(f);
3234	>	for (int i = 0; i < k; i++) {
3235	>	fs[i].completeExceptionally(exs[i]);
3236	>	checkCompletedWithWrappedException(f, exs[0]);
3237	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3238	>	}
3239	>	}
3240	>	}
3241	>
3242	>	public void testAnyOf_exceptional_backwards() throws Exception {
3243	>	for (int k = 0; k < 10; k++) {
3244	>	CompletableFuture[] fs = new CompletableFuture[k];
3245	>	CFException[] exs = new CFException[k];
3246	>	for (int i = 0; i < k; i++) {
3247	>	fs[i] = new CompletableFuture<>();
3248	>	exs[i] = new CFException();
3249	>	}
3250	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3251	>	checkIncomplete(f);
3252	>	for (int i = k - 1; i >= 0; i--) {
3253	>	fs[i].completeExceptionally(exs[i]);
3254	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3255		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3256		}
3257		}
#	Line 2923 | Line 3260 | public class CompletableFutureTest exten
3260		/**
3261		* Completion methods throw NullPointerException with null arguments
3262		*/
3263	+	@SuppressWarnings("FutureReturnValueIgnored")
3264		public void testNPE() {
3265		CompletableFuture<Integer> f = new CompletableFuture<>();
3266		CompletableFuture<Integer> g = new CompletableFuture<>();
3267		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2930	–	CompletableFuture<?> h;
3268		ThreadExecutor exec = new ThreadExecutor();
3269
3270		Runnable[] throwingActions = {
3271		() -> CompletableFuture.supplyAsync(null),
3272		() -> CompletableFuture.supplyAsync(null, exec),
3273	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3273	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3274
3275		() -> CompletableFuture.runAsync(null),
3276		() -> CompletableFuture.runAsync(null, exec),
#	Line 2943 | Line 3280 | public class CompletableFutureTest exten
3280
3281		() -> f.thenApply(null),
3282		() -> f.thenApplyAsync(null),
3283	<	() -> f.thenApplyAsync((x) -> x, null),
3283	>	() -> f.thenApplyAsync(x -> x, null),
3284		() -> f.thenApplyAsync(null, exec),
3285
3286		() -> f.thenAccept(null),
3287		() -> f.thenAcceptAsync(null),
3288	<	() -> f.thenAcceptAsync((x) -> {} , null),
3288	>	() -> f.thenAcceptAsync(x -> {} , null),
3289		() -> f.thenAcceptAsync(null, exec),
3290
3291		() -> f.thenRun(null),
#	Line 2983 | Line 3320 | public class CompletableFutureTest exten
3320		() -> f.applyToEither(g, null),
3321		() -> f.applyToEitherAsync(g, null),
3322		() -> f.applyToEitherAsync(g, null, exec),
3323	<	() -> f.applyToEither(nullFuture, (x) -> x),
3324	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3325	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3326	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3323	>	() -> f.applyToEither(nullFuture, x -> x),
3324	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3325	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3326	>	() -> f.applyToEitherAsync(g, x -> x, null),
3327
3328		() -> f.acceptEither(g, null),
3329		() -> f.acceptEitherAsync(g, null),
3330		() -> f.acceptEitherAsync(g, null, exec),
3331	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3332	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3333	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3334	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3331	>	() -> f.acceptEither(nullFuture, x -> {}),
3332	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3333	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3334	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3335
3336		() -> f.runAfterEither(g, null),
3337		() -> f.runAfterEitherAsync(g, null),
#	Line 3006 | Line 3343 | public class CompletableFutureTest exten
3343
3344		() -> f.thenCompose(null),
3345		() -> f.thenComposeAsync(null),
3346	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3346	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3347		() -> f.thenComposeAsync(null, exec),
3348
3349		() -> f.exceptionally(null),
#	Line 3024 | Line 3361 | public class CompletableFutureTest exten
3361		() -> CompletableFuture.anyOf(null, f),
3362
3363		() -> f.obtrudeException(null),
3364	+
3365	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3366	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3367	+	() -> CompletableFuture.delayedExecutor(1L, null),
3368	+
3369	+	() -> f.orTimeout(1L, null),
3370	+	() -> f.completeOnTimeout(42, 1L, null),
3371	+
3372	+	() -> CompletableFuture.failedFuture(null),
3373	+	() -> CompletableFuture.failedStage(null),
3374		};
3375
3376		assertThrows(NullPointerException.class, throwingActions);
#	Line 3031 | Line 3378 | public class CompletableFutureTest exten
3378		}
3379
3380		/**
3381	+	* Test submissions to an executor that rejects all tasks.
3382	+	*/
3383	+	public void testRejectingExecutor() {
3384	+	for (Integer v : new Integer[] { 1, null })
3385	+	{
3386	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3387	+
3388	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3389	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3390	+
3391	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3392	+
3393	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3394	+	srcs.add(complete);
3395	+	srcs.add(incomplete);
3396	+
3397	+	for (CompletableFuture<Integer> src : srcs) {
3398	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3399	+	fs.add(src.thenRunAsync(() -> {}, e));
3400	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3401	+	fs.add(src.thenApplyAsync(z -> z, e));
3402	+
3403	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3404	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3405	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3406	+
3407	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3408	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3409	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3410	+
3411	+	fs.add(src.thenComposeAsync(z -> null, e));
3412	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3413	+	fs.add(src.handleAsync((z, t) -> null, e));
3414	+
3415	+	for (CompletableFuture<?> future : fs) {
3416	+	if (src.isDone())
3417	+	checkCompletedWithWrappedException(future, e.ex);
3418	+	else
3419	+	checkIncomplete(future);
3420	+	}
3421	+	futures.addAll(fs);
3422	+	}
3423	+
3424	+	{
3425	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3426	+
3427	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3428	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3429	+
3430	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3431	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3432	+
3433	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3434	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3435	+
3436	+	for (CompletableFuture<?> future : fs)
3437	+	checkIncomplete(future);
3438	+	futures.addAll(fs);
3439	+	}
3440	+
3441	+	{
3442	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3443	+
3444	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3445	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3446	+
3447	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3448	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3449	+
3450	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3451	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3452	+
3453	+	for (CompletableFuture<?> future : fs)
3454	+	checkCompletedWithWrappedException(future, e.ex);
3455	+	futures.addAll(fs);
3456	+	}
3457	+
3458	+	incomplete.complete(v);
3459	+
3460	+	for (CompletableFuture<?> future : futures)
3461	+	checkCompletedWithWrappedException(future, e.ex);
3462	+
3463	+	assertEquals(futures.size(), e.count.get());
3464	+	}}
3465	+
3466	+	/**
3467	+	* Test submissions to an executor that rejects all tasks, but
3468	+	* should never be invoked because the dependent future is
3469	+	* explicitly completed.
3470	+	*/
3471	+	public void testRejectingExecutorNeverInvoked() {
3472	+	for (Integer v : new Integer[] { 1, null })
3473	+	{
3474	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3475	+
3476	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3477	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3478	+
3479	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3480	+
3481	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3482	+	srcs.add(complete);
3483	+	srcs.add(incomplete);
3484	+
3485	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3486	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3487	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3488	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3489	+
3490	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3491	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3492	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3493	+
3494	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3495	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3496	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3497	+
3498	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3499	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3500	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3501	+
3502	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3503	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3504	+
3505	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3506	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3507	+
3508	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3509	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3510	+
3511	+	for (CompletableFuture<?> future : fs)
3512	+	checkIncomplete(future);
3513	+
3514	+	for (CompletableFuture<?> future : fs)
3515	+	future.complete(null);
3516	+
3517	+	incomplete.complete(v);
3518	+
3519	+	for (CompletableFuture<?> future : fs)
3520	+	checkCompletedNormally(future, null);
3521	+
3522	+	assertEquals(0, e.count.get());
3523	+	}}
3524	+
3525	+	/**
3526		* toCompletableFuture returns this CompletableFuture.
3527		*/
3528		public void testToCompletableFuture() {
#	Line 3038 | Line 3530 | public class CompletableFutureTest exten
3530		assertSame(f, f.toCompletableFuture());
3531		}
3532
3533	+	// jdk9
3534	+
3535		/**
3536	<	* whenComplete action executes on normal completion, propagating
3043	<	* source result.
3536	>	* newIncompleteFuture returns an incomplete CompletableFuture
3537		*/
3538	<	public void testWhenComplete1() {
3539	<	final AtomicInteger a = new AtomicInteger();
3538	>	public void testNewIncompleteFuture() {
3539	>	for (Integer v1 : new Integer[] { 1, null })
3540	>	{
3541		CompletableFuture<Integer> f = new CompletableFuture<>();
3542	<	CompletableFuture<Integer> g =
3543	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3544	<	f.complete(three);
3545	<	checkCompletedNormally(f, three);
3546	<	checkCompletedNormally(g, three);
3547	<	assertEquals(a.get(), 1);
3542	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3543	>	checkIncomplete(f);
3544	>	checkIncomplete(g);
3545	>	f.complete(v1);
3546	>	checkCompletedNormally(f, v1);
3547	>	checkIncomplete(g);
3548	>	g.complete(v1);
3549	>	checkCompletedNormally(g, v1);
3550	>	assertSame(g.getClass(), CompletableFuture.class);
3551	>	}}
3552	>
3553	>	/**
3554	>	* completedStage returns a completed CompletionStage
3555	>	*/
3556	>	public void testCompletedStage() {
3557	>	AtomicInteger x = new AtomicInteger(0);
3558	>	AtomicReference<Throwable> r = new AtomicReference<>();
3559	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3560	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3561	>	assertEquals(x.get(), 1);
3562	>	assertNull(r.get());
3563		}
3564
3565		/**
3566	<	* whenComplete action executes on exceptional completion, propagating
3567	<	* source result.
3566	>	* defaultExecutor by default returns the commonPool if
3567	>	* it supports more than one thread.
3568		*/
3569	<	public void testWhenComplete2() {
3061	<	final AtomicInteger a = new AtomicInteger();
3569	>	public void testDefaultExecutor() {
3570		CompletableFuture<Integer> f = new CompletableFuture<>();
3571	<	CompletableFuture<Integer> g =
3572	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3573	<	f.completeExceptionally(new CFException());
3574	<	assertTrue(f.isCompletedExceptionally());
3575	<	assertTrue(g.isCompletedExceptionally());
3576	<	assertEquals(a.get(), 1);
3571	>	Executor e = f.defaultExecutor();
3572	>	Executor c = ForkJoinPool.commonPool();
3573	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3574	>	assertSame(e, c);
3575	>	else
3576	>	assertNotSame(e, c);
3577		}
3578
3579		/**
3580	<	* If a whenComplete action throws an exception when triggered by
3581	<	* a normal completion, it completes exceptionally
3580	>	* failedFuture returns a CompletableFuture completed
3581	>	* exceptionally with the given Exception
3582	>	*/
3583	>	public void testFailedFuture() {
3584	>	CFException ex = new CFException();
3585	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3586	>	checkCompletedExceptionally(f, ex);
3587	>	}
3588	>
3589	>	/**
3590	>	* failedFuture(null) throws NPE
3591		*/
3592	<	public void testWhenComplete3() {
3592	>	public void testFailedFuture_null() {
3593	>	try {
3594	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3595	>	shouldThrow();
3596	>	} catch (NullPointerException success) {}
3597	>	}
3598	>
3599	>	/**
3600	>	* copy returns a CompletableFuture that is completed normally,
3601	>	* with the same value, when source is.
3602	>	*/
3603	>	public void testCopy_normalCompletion() {
3604	>	for (boolean createIncomplete : new boolean[] { true, false })
3605	>	for (Integer v1 : new Integer[] { 1, null })
3606	>	{
3607		CompletableFuture<Integer> f = new CompletableFuture<>();
3608	<	CompletableFuture<Integer> g =
3609	<	f.whenComplete((Integer x, Throwable t) ->
3610	<	{ throw new CFException(); } );
3611	<	f.complete(three);
3612	<	checkCompletedNormally(f, three);
3613	<	assertTrue(g.isCompletedExceptionally());
3614	<	checkCompletedWithWrappedCFException(g);
3608	>	if (!createIncomplete) assertTrue(f.complete(v1));
3609	>	CompletableFuture<Integer> g = f.copy();
3610	>	if (createIncomplete) {
3611	>	checkIncomplete(f);
3612	>	checkIncomplete(g);
3613	>	assertTrue(f.complete(v1));
3614	>	}
3615	>	checkCompletedNormally(f, v1);
3616	>	checkCompletedNormally(g, v1);
3617	>	}}
3618	>
3619	>	/**
3620	>	* copy returns a CompletableFuture that is completed exceptionally
3621	>	* when source is.
3622	>	*/
3623	>	public void testCopy_exceptionalCompletion() {
3624	>	for (boolean createIncomplete : new boolean[] { true, false })
3625	>	{
3626	>	CFException ex = new CFException();
3627	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3628	>	if (!createIncomplete) f.completeExceptionally(ex);
3629	>	CompletableFuture<Integer> g = f.copy();
3630	>	if (createIncomplete) {
3631	>	checkIncomplete(f);
3632	>	checkIncomplete(g);
3633	>	f.completeExceptionally(ex);
3634	>	}
3635	>	checkCompletedExceptionally(f, ex);
3636	>	checkCompletedWithWrappedException(g, ex);
3637	>	}}
3638	>
3639	>	/**
3640	>	* Completion of a copy does not complete its source.
3641	>	*/
3642	>	public void testCopy_oneWayPropagation() {
3643	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3644	>	assertTrue(f.copy().complete(1));
3645	>	assertTrue(f.copy().complete(null));
3646	>	assertTrue(f.copy().cancel(true));
3647	>	assertTrue(f.copy().cancel(false));
3648	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3649	>	checkIncomplete(f);
3650		}
3651
3652		/**
3653	<	* whenCompleteAsync action executes on normal completion, propagating
3654	<	* source result.
3653	>	* minimalCompletionStage returns a CompletableFuture that is
3654	>	* completed normally, with the same value, when source is.
3655		*/
3656	<	public void testWhenCompleteAsync1() {
3091	<	final AtomicInteger a = new AtomicInteger();
3656	>	public void testMinimalCompletionStage() {
3657		CompletableFuture<Integer> f = new CompletableFuture<>();
3658	<	CompletableFuture<Integer> g =
3659	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3660	<	f.complete(three);
3661	<	checkCompletedNormally(f, three);
3662	<	checkCompletedNormally(g, three);
3663	<	assertEquals(a.get(), 1);
3658	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3659	>	AtomicInteger x = new AtomicInteger(0);
3660	>	AtomicReference<Throwable> r = new AtomicReference<>();
3661	>	checkIncomplete(f);
3662	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3663	>	f.complete(1);
3664	>	checkCompletedNormally(f, 1);
3665	>	assertEquals(x.get(), 1);
3666	>	assertNull(r.get());
3667		}
3668
3669		/**
3670	<	* whenCompleteAsync action executes on exceptional completion, propagating
3671	<	* source result.
3670	>	* minimalCompletionStage returns a CompletableFuture that is
3671	>	* completed exceptionally when source is.
3672		*/
3673	<	public void testWhenCompleteAsync2() {
3106	<	final AtomicInteger a = new AtomicInteger();
3673	>	public void testMinimalCompletionStage2() {
3674		CompletableFuture<Integer> f = new CompletableFuture<>();
3675	<	CompletableFuture<Integer> g =
3676	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3677	<	f.completeExceptionally(new CFException());
3678	<	checkCompletedWithWrappedCFException(f);
3679	<	checkCompletedWithWrappedCFException(g);
3675	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3676	>	AtomicInteger x = new AtomicInteger(0);
3677	>	AtomicReference<Throwable> r = new AtomicReference<>();
3678	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3679	>	checkIncomplete(f);
3680	>	CFException ex = new CFException();
3681	>	f.completeExceptionally(ex);
3682	>	checkCompletedExceptionally(f, ex);
3683	>	assertEquals(x.get(), 0);
3684	>	assertEquals(r.get().getCause(), ex);
3685	>	}
3686	>
3687	>	/**
3688	>	* failedStage returns a CompletionStage completed
3689	>	* exceptionally with the given Exception
3690	>	*/
3691	>	public void testFailedStage() {
3692	>	CFException ex = new CFException();
3693	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3694	>	AtomicInteger x = new AtomicInteger(0);
3695	>	AtomicReference<Throwable> r = new AtomicReference<>();
3696	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3697	>	assertEquals(x.get(), 0);
3698	>	assertEquals(r.get(), ex);
3699		}
3700
3701		/**
3702	<	* If a whenCompleteAsync action throws an exception when
3117	<	* triggered by a normal completion, it completes exceptionally
3702	>	* completeAsync completes with value of given supplier
3703		*/
3704	<	public void testWhenCompleteAsync3() {
3704	>	public void testCompleteAsync() {
3705	>	for (Integer v1 : new Integer[] { 1, null })
3706	>	{
3707		CompletableFuture<Integer> f = new CompletableFuture<>();
3708	<	CompletableFuture<Integer> g =
3709	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3710	<	{ throw new CFException(); } );
3711	<	f.complete(three);
3712	<	checkCompletedNormally(f, three);
3713	<	checkCompletedWithWrappedCFException(g);
3708	>	f.completeAsync(() -> v1);
3709	>	f.join();
3710	>	checkCompletedNormally(f, v1);
3711	>	}}
3712	>
3713	>	/**
3714	>	* completeAsync completes exceptionally if given supplier throws
3715	>	*/
3716	>	public void testCompleteAsync2() {
3717	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3718	>	CFException ex = new CFException();
3719	>	f.completeAsync(() -> { throw ex; });
3720	>	try {
3721	>	f.join();
3722	>	shouldThrow();
3723	>	} catch (CompletionException success) {}
3724	>	checkCompletedWithWrappedException(f, ex);
3725		}
3726
3727		/**
3728	<	* whenCompleteAsync action executes on normal completion, propagating
3131	<	* source result.
3728	>	* completeAsync with given executor completes with value of given supplier
3729		*/
3730	<	public void testWhenCompleteAsync1e() {
3731	<	final AtomicInteger a = new AtomicInteger();
3732	<	ThreadExecutor exec = new ThreadExecutor();
3730	>	public void testCompleteAsync3() {
3731	>	for (Integer v1 : new Integer[] { 1, null })
3732	>	{
3733		CompletableFuture<Integer> f = new CompletableFuture<>();
3734	<	CompletableFuture<Integer> g =
3735	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3736	<	exec);
3737	<	f.complete(three);
3738	<	checkCompletedNormally(f, three);
3739	<	checkCompletedNormally(g, three);
3740	<	assertEquals(a.get(), 1);
3734	>	ThreadExecutor executor = new ThreadExecutor();
3735	>	f.completeAsync(() -> v1, executor);
3736	>	assertSame(v1, f.join());
3737	>	checkCompletedNormally(f, v1);
3738	>	assertEquals(1, executor.count.get());
3739	>	}}
3740	>
3741	>	/**
3742	>	* completeAsync with given executor completes exceptionally if
3743	>	* given supplier throws
3744	>	*/
3745	>	public void testCompleteAsync4() {
3746	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3747	>	CFException ex = new CFException();
3748	>	ThreadExecutor executor = new ThreadExecutor();
3749	>	f.completeAsync(() -> { throw ex; }, executor);
3750	>	try {
3751	>	f.join();
3752	>	shouldThrow();
3753	>	} catch (CompletionException success) {}
3754	>	checkCompletedWithWrappedException(f, ex);
3755	>	assertEquals(1, executor.count.get());
3756		}
3757
3758		/**
3759	<	* whenCompleteAsync action executes on exceptional completion, propagating
3148	<	* source result.
3759	>	* orTimeout completes with TimeoutException if not complete
3760		*/
3761	<	public void testWhenCompleteAsync2e() {
3762	<	final AtomicInteger a = new AtomicInteger();
3152	<	ThreadExecutor exec = new ThreadExecutor();
3761	>	public void testOrTimeout_timesOut() {
3762	>	long timeoutMillis = timeoutMillis();
3763		CompletableFuture<Integer> f = new CompletableFuture<>();
3764	<	CompletableFuture<Integer> g =
3765	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3766	<	exec);
3767	<	f.completeExceptionally(new CFException());
3158	<	checkCompletedWithWrappedCFException(f);
3159	<	checkCompletedWithWrappedCFException(g);
3764	>	long startTime = System.nanoTime();
3765	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3766	>	checkCompletedWithTimeoutException(f);
3767	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3768		}
3769
3770		/**
3771	<	* If a whenCompleteAsync action throws an exception when triggered
3164	<	* by a normal completion, it completes exceptionally
3771	>	* orTimeout completes normally if completed before timeout
3772		*/
3773	<	public void testWhenCompleteAsync3e() {
3774	<	ThreadExecutor exec = new ThreadExecutor();
3773	>	public void testOrTimeout_completed() {
3774	>	for (Integer v1 : new Integer[] { 1, null })
3775	>	{
3776	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3777	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3778	>	long startTime = System.nanoTime();
3779	>	f.complete(v1);
3780	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3781	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3782	>	g.complete(v1);
3783	>	checkCompletedNormally(f, v1);
3784	>	checkCompletedNormally(g, v1);
3785	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3786	>	}}
3787	>
3788	>	/**
3789	>	* completeOnTimeout completes with given value if not complete
3790	>	*/
3791	>	public void testCompleteOnTimeout_timesOut() {
3792	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3793	>	() -> testCompleteOnTimeout_timesOut(null));
3794	>	}
3795	>
3796	>	/**
3797	>	* completeOnTimeout completes with given value if not complete
3798	>	*/
3799	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3800	>	long timeoutMillis = timeoutMillis();
3801		CompletableFuture<Integer> f = new CompletableFuture<>();
3802	+	long startTime = System.nanoTime();
3803	+	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3804	+	assertSame(v, f.join());
3805	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3806	+	f.complete(99);         // should have no effect
3807	+	checkCompletedNormally(f, v);
3808	+	}
3809	+
3810	+	/**
3811	+	* completeOnTimeout has no effect if completed within timeout
3812	+	*/
3813	+	public void testCompleteOnTimeout_completed() {
3814	+	for (Integer v1 : new Integer[] { 1, null })
3815	+	{
3816	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3817	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3818	+	long startTime = System.nanoTime();
3819	+	f.complete(v1);
3820	+	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3821	+	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3822	+	g.complete(v1);
3823	+	checkCompletedNormally(f, v1);
3824	+	checkCompletedNormally(g, v1);
3825	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3826	+	}}
3827	+
3828	+	/**
3829	+	* delayedExecutor returns an executor that delays submission
3830	+	*/
3831	+	public void testDelayedExecutor() {
3832	+	testInParallel(() -> testDelayedExecutor(null, null),
3833	+	() -> testDelayedExecutor(null, 1),
3834	+	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3835	+	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3836	+	}
3837	+
3838	+	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3839	+	long timeoutMillis = timeoutMillis();
3840	+	// Use an "unreasonably long" long timeout to catch lingering threads
3841	+	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3842	+	final Executor delayer, longDelayer;
3843	+	if (executor == null) {
3844	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3845	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3846	+	} else {
3847	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3848	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3849	+	}
3850	+	long startTime = System.nanoTime();
3851	+	CompletableFuture<Integer> f =
3852	+	CompletableFuture.supplyAsync(() -> v, delayer);
3853		CompletableFuture<Integer> g =
3854	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3855	<	{ throw new CFException(); },
3856	<	exec);
3857	<	f.complete(three);
3858	<	checkCompletedNormally(f, three);
3859	<	checkCompletedWithWrappedCFException(g);
3854	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3855	>
3856	>	assertNull(g.getNow(null));
3857	>
3858	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3859	>	long millisElapsed = millisElapsedSince(startTime);
3860	>	assertTrue(millisElapsed >= timeoutMillis);
3861	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3862	>
3863	>	checkCompletedNormally(f, v);
3864	>
3865	>	checkIncomplete(g);
3866	>	assertTrue(g.cancel(true));
3867	>	}
3868	>
3869	>	//--- tests of implementation details; not part of official tck ---
3870	>
3871	>	Object resultOf(CompletableFuture<?> f) {
3872	>	SecurityManager sm = System.getSecurityManager();
3873	>	if (sm != null) {
3874	>	try {
3875	>	System.setSecurityManager(null);
3876	>	} catch (SecurityException giveUp) {
3877	>	return "Reflection not available";
3878	>	}
3879	>	}
3880	>
3881	>	try {
3882	>	java.lang.reflect.Field resultField
3883	>	= CompletableFuture.class.getDeclaredField("result");
3884	>	resultField.setAccessible(true);
3885	>	return resultField.get(f);
3886	>	} catch (Throwable t) {
3887	>	throw new AssertionError(t);
3888	>	} finally {
3889	>	if (sm != null) System.setSecurityManager(sm);
3890	>	}
3891		}
3892
3893	+	public void testExceptionPropagationReusesResultObject() {
3894	+	if (!testImplementationDetails) return;
3895	+	for (ExecutionMode m : ExecutionMode.values())
3896	+	{
3897	+	final CFException ex = new CFException();
3898	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3899	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3900	+
3901	+	final Runnable noopRunnable = new Noop(m);
3902	+	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3903	+	final Function<Integer, Integer> incFunction = new IncFunction(m);
3904	+
3905	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3906	+	= new ArrayList<>();
3907	+
3908	+	funs.add(y -> m.thenRun(y, noopRunnable));
3909	+	funs.add(y -> m.thenAccept(y, noopConsumer));
3910	+	funs.add(y -> m.thenApply(y, incFunction));
3911	+
3912	+	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3913	+	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3914	+	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3915	+
3916	+	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3917	+	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3918	+	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3919	+	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3920	+	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3921	+	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3922	+
3923	+	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3924	+
3925	+	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3926	+
3927	+	funs.add(y -> CompletableFuture.allOf(y));
3928	+	funs.add(y -> CompletableFuture.allOf(y, v42));
3929	+	funs.add(y -> CompletableFuture.allOf(v42, y));
3930	+	funs.add(y -> CompletableFuture.anyOf(y));
3931	+	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3932	+	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3933	+
3934	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3935	+	fun : funs) {
3936	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3937	+	f.completeExceptionally(ex);
3938	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3939	+	checkCompletedWithWrappedException(src, ex);
3940	+	CompletableFuture<?> dep = fun.apply(src);
3941	+	checkCompletedWithWrappedException(dep, ex);
3942	+	assertSame(resultOf(src), resultOf(dep));
3943	+	}
3944	+
3945	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3946	+	fun : funs) {
3947	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3948	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3949	+	CompletableFuture<?> dep = fun.apply(src);
3950	+	f.completeExceptionally(ex);
3951	+	checkCompletedWithWrappedException(src, ex);
3952	+	checkCompletedWithWrappedException(dep, ex);
3953	+	assertSame(resultOf(src), resultOf(dep));
3954	+	}
3955	+
3956	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3957	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3958	+	fun : funs) {
3959	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3960	+	f.cancel(mayInterruptIfRunning);
3961	+	checkCancelled(f);
3962	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3963	+	checkCompletedWithWrappedCancellationException(src);
3964	+	CompletableFuture<?> dep = fun.apply(src);
3965	+	checkCompletedWithWrappedCancellationException(dep);
3966	+	assertSame(resultOf(src), resultOf(dep));
3967	+	}
3968	+
3969	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3970	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3971	+	fun : funs) {
3972	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3973	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3974	+	CompletableFuture<?> dep = fun.apply(src);
3975	+	f.cancel(mayInterruptIfRunning);
3976	+	checkCancelled(f);
3977	+	checkCompletedWithWrappedCancellationException(src);
3978	+	checkCompletedWithWrappedCancellationException(dep);
3979	+	assertSame(resultOf(src), resultOf(dep));
3980	+	}
3981	+	}}
3982	+
3983		/**
3984	<	* handleAsync action completes normally with function value on
3180	<	* either normal or exceptional completion of source
3984	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3985		*/
3986	<	public void testHandleAsync() {
3987	<	CompletableFuture<Integer> f, g;
3988	<	IntegerHandler r;
3986	>	public void testMinimalCompletionStage_minimality() {
3987	>	if (!testImplementationDetails) return;
3988	>	Function<Method, String> toSignature =
3989	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3990	>	Predicate<Method> isNotStatic =
3991	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3992	>	List<Method> minimalMethods =
3993	>	Stream.of(Object.class, CompletionStage.class)
3994	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3995	>	.filter(isNotStatic)
3996	>	.collect(Collectors.toList());
3997	>	// Methods from CompletableFuture permitted NOT to throw UOE
3998	>	String[] signatureWhitelist = {
3999	>	"newIncompleteFuture[]",
4000	>	"defaultExecutor[]",
4001	>	"minimalCompletionStage[]",
4002	>	"copy[]",
4003	>	};
4004	>	Set<String> permittedMethodSignatures =
4005	>	Stream.concat(minimalMethods.stream().map(toSignature),
4006	>	Stream.of(signatureWhitelist))
4007	>	.collect(Collectors.toSet());
4008	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4009	>	.filter(isNotStatic)
4010	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4011	>	.collect(Collectors.toList());
4012	>
4013	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4014	>	CompletionStage<Integer> min =
4015	>	new CompletableFuture<Integer>().minimalCompletionStage();
4016	>	stages.add(min);
4017	>	stages.add(min.thenApply(x -> x));
4018	>	stages.add(CompletableFuture.completedStage(1));
4019	>	stages.add(CompletableFuture.failedStage(new CFException()));
4020	>
4021	>	List<Method> bugs = new ArrayList<>();
4022	>	for (Method method : allMethods) {
4023	>	Class<?>[] parameterTypes = method.getParameterTypes();
4024	>	Object[] args = new Object[parameterTypes.length];
4025	>	// Manufacture boxed primitives for primitive params
4026	>	for (int i = 0; i < args.length; i++) {
4027	>	Class<?> type = parameterTypes[i];
4028	>	if (parameterTypes[i] == boolean.class)
4029	>	args[i] = false;
4030	>	else if (parameterTypes[i] == int.class)
4031	>	args[i] = 0;
4032	>	else if (parameterTypes[i] == long.class)
4033	>	args[i] = 0L;
4034	>	}
4035	>	for (CompletionStage<Integer> stage : stages) {
4036	>	try {
4037	>	method.invoke(stage, args);
4038	>	bugs.add(method);
4039	>	}
4040	>	catch (java.lang.reflect.InvocationTargetException expected) {
4041	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4042	>	bugs.add(method);
4043	>	// expected.getCause().printStackTrace();
4044	>	}
4045	>	}
4046	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4047	>	}
4048	>	}
4049	>	if (!bugs.isEmpty())
4050	>	throw new Error("Methods did not throw UOE: " + bugs);
4051	>	}
4052
4053	<	f = new CompletableFuture<>();
4054	<	g = f.handleAsync(r = new IntegerHandler());
4055	<	assertFalse(r.ran);
4056	<	f.completeExceptionally(new CFException());
4057	<	checkCompletedWithWrappedCFException(f);
4058	<	checkCompletedNormally(g, three);
4059	<	assertTrue(r.ran);
4053	>	/**
4054	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4055	>	* is completed normally, with the same value, when source is.
4056	>	*/
4057	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4058	>	for (boolean createIncomplete : new boolean[] { true, false })
4059	>	for (Integer v1 : new Integer[] { 1, null })
4060	>	{
4061	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4062	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4063	>	if (!createIncomplete) assertTrue(f.complete(v1));
4064	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4065	>	if (createIncomplete) {
4066	>	checkIncomplete(f);
4067	>	checkIncomplete(g);
4068	>	assertTrue(f.complete(v1));
4069	>	}
4070	>	checkCompletedNormally(f, v1);
4071	>	checkCompletedNormally(g, v1);
4072	>	}}
4073	>
4074	>	/**
4075	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4076	>	* is completed exceptionally when source is.
4077	>	*/
4078	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4079	>	for (boolean createIncomplete : new boolean[] { true, false })
4080	>	{
4081	>	CFException ex = new CFException();
4082	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4083	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4084	>	if (!createIncomplete) f.completeExceptionally(ex);
4085	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4086	>	if (createIncomplete) {
4087	>	checkIncomplete(f);
4088	>	checkIncomplete(g);
4089	>	f.completeExceptionally(ex);
4090	>	}
4091	>	checkCompletedExceptionally(f, ex);
4092	>	checkCompletedWithWrappedException(g, ex);
4093	>	}}
4094
4095	<	f = new CompletableFuture<>();
4096	<	g = f.handleAsync(r = new IntegerHandler());
4097	<	assertFalse(r.ran);
4098	<	f.completeExceptionally(new CFException());
4099	<	checkCompletedWithWrappedCFException(f);
4100	<	checkCompletedNormally(g, three);
4101	<	assertTrue(r.ran);
4095	>	/**
4096	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4097	>	*/
4098	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4099	>	for (Integer v1 : new Integer[] { 1, null })
4100	>	{
4101	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4102	>	CompletionStage minimal = f.minimalCompletionStage();
4103	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4104	>	assertTrue(g.complete(v1));
4105	>	checkCompletedNormally(g, v1);
4106	>	checkIncomplete(f);
4107	>	checkIncomplete(minimal.toCompletableFuture());
4108	>	}}
4109
4110	<	f = new CompletableFuture<>();
4111	<	g = f.handleAsync(r = new IntegerHandler());
4112	<	assertFalse(r.ran);
4113	<	f.complete(one);
4114	<	checkCompletedNormally(f, one);
4115	<	checkCompletedNormally(g, two);
4116	<	assertTrue(r.ran);
4110	>	/**
4111	>	* minimalStage.toCompletableFuture().join() awaits completion
4112	>	*/
4113	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4114	>	for (boolean createIncomplete : new boolean[] { true, false })
4115	>	for (Integer v1 : new Integer[] { 1, null })
4116	>	{
4117	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4118	>	if (!createIncomplete) assertTrue(f.complete(v1));
4119	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4120	>	if (createIncomplete) assertTrue(f.complete(v1));
4121	>	assertEquals(v1, minimal.toCompletableFuture().join());
4122	>	assertEquals(v1, minimal.toCompletableFuture().get());
4123	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4124	>	}}
4125	>
4126	>	/**
4127	>	* Completion of a toCompletableFuture copy of a minimal stage
4128	>	* does not complete its source.
4129	>	*/
4130	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4131	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4132	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4133	>	assertTrue(g.toCompletableFuture().complete(1));
4134	>	assertTrue(g.toCompletableFuture().complete(null));
4135	>	assertTrue(g.toCompletableFuture().cancel(true));
4136	>	assertTrue(g.toCompletableFuture().cancel(false));
4137	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4138	>	checkIncomplete(g.toCompletableFuture());
4139	>	f.complete(1);
4140	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4141	>	}
4142
4143	<	f = new CompletableFuture<>();
4144	<	g = f.handleAsync(r = new IntegerHandler());
4145	<	assertFalse(r.ran);
4146	<	f.complete(one);
4147	<	checkCompletedNormally(f, one);
4148	<	checkCompletedNormally(g, two);
4149	<	assertTrue(r.ran);
4143	>	/** Demo utility method for external reliable toCompletableFuture */
4144	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4145	>	CompletableFuture<T> f = new CompletableFuture<>();
4146	>	stage.handle((T t, Throwable ex) -> {
4147	>	if (ex != null) f.completeExceptionally(ex);
4148	>	else f.complete(t);
4149	>	return null;
4150	>	});
4151	>	return f;
4152	>	}
4153	>
4154	>	/** Demo utility method to join a CompletionStage */
4155	>	static <T> T join(CompletionStage<T> stage) {
4156	>	return toCompletableFuture(stage).join();
4157		}
4158
4159		/**
4160	<	* handleAsync action with Executor completes normally with
3221	<	* function value on either normal or exceptional completion of
3222	<	* source
4160	>	* Joining a minimal stage "by hand" works
4161		*/
4162	<	public void testHandleAsync2() {
4163	<	CompletableFuture<Integer> f, g;
4164	<	ThreadExecutor exec = new ThreadExecutor();
4165	<	IntegerHandler r;
4162	>	public void testMinimalCompletionStage_join_by_hand() {
4163	>	for (boolean createIncomplete : new boolean[] { true, false })
4164	>	for (Integer v1 : new Integer[] { 1, null })
4165	>	{
4166	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4167	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4168	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4169	>	if (!createIncomplete) assertTrue(f.complete(v1));
4170	>	minimal.thenAccept(x -> g.complete(x));
4171	>	if (createIncomplete) assertTrue(f.complete(v1));
4172	>	g.join();
4173	>	checkCompletedNormally(g, v1);
4174	>	checkCompletedNormally(f, v1);
4175	>	assertEquals(v1, join(minimal));
4176	>	}}
4177	>
4178	>	static class Monad {
4179	>	static class ZeroException extends RuntimeException {
4180	>	public ZeroException() { super("monadic zero"); }
4181	>	}
4182	>	// "return", "unit"
4183	>	static <T> CompletableFuture<T> unit(T value) {
4184	>	return completedFuture(value);
4185	>	}
4186	>	// monadic zero ?
4187	>	static <T> CompletableFuture<T> zero() {
4188	>	return failedFuture(new ZeroException());
4189	>	}
4190	>	// >=>
4191	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4192	>	(Function<T, CompletableFuture<U>> f,
4193	>	Function<U, CompletableFuture<V>> g) {
4194	>	return x -> f.apply(x).thenCompose(g);
4195	>	}
4196
4197	<	f = new CompletableFuture<>();
4198	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4199	<	assertFalse(r.ran);
4200	<	f.completeExceptionally(new CFException());
4201	<	checkCompletedWithWrappedCFException(f);
4202	<	checkCompletedNormally(g, three);
4203	<	assertTrue(r.ran);
4197	>	static void assertZero(CompletableFuture<?> f) {
4198	>	try {
4199	>	f.getNow(null);
4200	>	throw new AssertionError("should throw");
4201	>	} catch (CompletionException success) {
4202	>	assertTrue(success.getCause() instanceof ZeroException);
4203	>	}
4204	>	}
4205
4206	<	f = new CompletableFuture<>();
4207	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4208	<	assertFalse(r.ran);
4209	<	f.completeExceptionally(new CFException());
4210	<	checkCompletedWithWrappedCFException(f);
4211	<	checkCompletedNormally(g, three);
4212	<	assertTrue(r.ran);
4206	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4207	>	CompletableFuture<T> g) {
4208	>	T fval = null, gval = null;
4209	>	Throwable fex = null, gex = null;
4210	>
4211	>	try { fval = f.get(); }
4212	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4213	>	catch (Throwable ex) { fex = ex; }
4214	>
4215	>	try { gval = g.get(); }
4216	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4217	>	catch (Throwable ex) { gex = ex; }
4218	>
4219	>	if (fex != null || gex != null)
4220	>	assertSame(fex.getClass(), gex.getClass());
4221	>	else
4222	>	assertEquals(fval, gval);
4223	>	}
4224
4225	<	f = new CompletableFuture<>();
4226	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4227	<	assertFalse(r.ran);
3248	<	f.complete(one);
3249	<	checkCompletedNormally(f, one);
3250	<	checkCompletedNormally(g, two);
3251	<	assertTrue(r.ran);
4225	>	static class PlusFuture<T> extends CompletableFuture<T> {
4226	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4227	>	}
4228
4229	<	f = new CompletableFuture<>();
4230	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4231	<	assertFalse(r.ran);
4232	<	f.complete(one);
4233	<	checkCompletedNormally(f, one);
4234	<	checkCompletedNormally(g, two);
4235	<	assertTrue(r.ran);
4229	>	/** Implements "monadic plus". */
4230	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4231	>	CompletableFuture<? extends T> g) {
4232	>	PlusFuture<T> plus = new PlusFuture<T>();
4233	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4234	>	try {
4235	>	if (ex == null) {
4236	>	if (plus.complete(result))
4237	>	if (plus.firstFailure.get() != null)
4238	>	plus.firstFailure.set(null);
4239	>	}
4240	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4241	>	if (plus.isDone())
4242	>	plus.firstFailure.set(null);
4243	>	}
4244	>	else {
4245	>	// first failure has precedence
4246	>	Throwable first = plus.firstFailure.getAndSet(null);
4247	>
4248	>	// may fail with "Self-suppression not permitted"
4249	>	try { first.addSuppressed(ex); }
4250	>	catch (Exception ignored) {}
4251	>
4252	>	plus.completeExceptionally(first);
4253	>	}
4254	>	} catch (Throwable unexpected) {
4255	>	plus.completeExceptionally(unexpected);
4256	>	}
4257	>	};
4258	>	f.whenComplete(action);
4259	>	g.whenComplete(action);
4260	>	return plus;
4261	>	}
4262		}
4263
4264	+	/**
4265	+	* CompletableFuture is an additive monad - sort of.
4266	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4267	+	*/
4268	+	public void testAdditiveMonad() throws Throwable {
4269	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4270	+	CompletableFuture<Long> zero = Monad.zero();
4271	+
4272	+	// Some mutually non-commutative functions
4273	+	Function<Long, CompletableFuture<Long>> triple
4274	+	= x -> Monad.unit(3 * x);
4275	+	Function<Long, CompletableFuture<Long>> inc
4276	+	= x -> Monad.unit(x + 1);
4277	+
4278	+	// unit is a right identity: m >>= unit === m
4279	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4280	+	inc.apply(5L));
4281	+	// unit is a left identity: (unit x) >>= f === f x
4282	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4283	+	inc.apply(5L));
4284	+
4285	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4286	+	Monad.assertFutureEquals(
4287	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4288	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4289	+
4290	+	// The case for CompletableFuture as an additive monad is weaker...
4291	+
4292	+	// zero is a monadic zero
4293	+	Monad.assertZero(zero);
4294	+
4295	+	// left zero: zero >>= f === zero
4296	+	Monad.assertZero(zero.thenCompose(inc));
4297	+	// right zero: f >>= (\x -> zero) === zero
4298	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4299	+
4300	+	// f plus zero === f
4301	+	Monad.assertFutureEquals(Monad.unit(5L),
4302	+	Monad.plus(Monad.unit(5L), zero));
4303	+	// zero plus f === f
4304	+	Monad.assertFutureEquals(Monad.unit(5L),
4305	+	Monad.plus(zero, Monad.unit(5L)));
4306	+	// zero plus zero === zero
4307	+	Monad.assertZero(Monad.plus(zero, zero));
4308	+	{
4309	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4310	+	Monad.unit(8L));
4311	+	// non-determinism
4312	+	assertTrue(f.get() == 5L || f.get() == 8L);
4313	+	}
4314	+
4315	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4316	+	// f plus godot === f (doesn't wait for godot)
4317	+	Monad.assertFutureEquals(Monad.unit(5L),
4318	+	Monad.plus(Monad.unit(5L), godot));
4319	+	// godot plus f === f (doesn't wait for godot)
4320	+	Monad.assertFutureEquals(Monad.unit(5L),
4321	+	Monad.plus(godot, Monad.unit(5L)));
4322	+	}
4323	+
4324	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4325	+	@SuppressWarnings("FutureReturnValueIgnored")
4326	+	public void testRecursiveChains() throws Throwable {
4327	+	for (ExecutionMode m : ExecutionMode.values())
4328	+	for (boolean addDeadEnds : new boolean[] { true, false })
4329	+	{
4330	+	final int val = 42;
4331	+	final int n = expensiveTests ? 1_000 : 2;
4332	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4333	+	CompletableFuture<Integer> tail = head;
4334	+	for (int i = 0; i < n; i++) {
4335	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4336	+	tail = m.thenApply(tail, v -> v + 1);
4337	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4338	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4339	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4340	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4341	+	}
4342	+	head.complete(val);
4343	+	assertEquals(val + 3 * n, (int) tail.join());
4344	+	}}
4345	+
4346	+	/**
4347	+	* A single CompletableFuture with many dependents.
4348	+	* A demo of scalability - runtime is O(n).
4349	+	*/
4350	+	@SuppressWarnings("FutureReturnValueIgnored")
4351	+	public void testManyDependents() throws Throwable {
4352	+	final int n = expensiveTests ? 1_000_000 : 10;
4353	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4354	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4355	+	final AtomicInteger count = new AtomicInteger(0);
4356	+	for (int i = 0; i < n; i++) {
4357	+	head.thenRun(() -> count.getAndIncrement());
4358	+	head.thenAccept(x -> count.getAndIncrement());
4359	+	head.thenApply(x -> count.getAndIncrement());
4360	+
4361	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4362	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4363	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4364	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4365	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4366	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4367	+
4368	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4369	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4370	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4371	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4372	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4373	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4374	+	}
4375	+	head.complete(null);
4376	+	assertEquals(5 * 3 * n, count.get());
4377	+	}
4378	+
4379	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4380	+	@SuppressWarnings("FutureReturnValueIgnored")
4381	+	public void testCoCompletionGarbageRetention() throws Throwable {
4382	+	final int n = expensiveTests ? 1_000_000 : 10;
4383	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4384	+	CompletableFuture<Integer> f;
4385	+	for (int i = 0; i < n; i++) {
4386	+	f = new CompletableFuture<>();
4387	+	f.runAfterEither(incomplete, () -> {});
4388	+	f.complete(null);
4389	+
4390	+	f = new CompletableFuture<>();
4391	+	f.acceptEither(incomplete, x -> {});
4392	+	f.complete(null);
4393	+
4394	+	f = new CompletableFuture<>();
4395	+	f.applyToEither(incomplete, x -> x);
4396	+	f.complete(null);
4397	+
4398	+	f = new CompletableFuture<>();
4399	+	CompletableFuture.anyOf(f, incomplete);
4400	+	f.complete(null);
4401	+	}
4402	+
4403	+	for (int i = 0; i < n; i++) {
4404	+	f = new CompletableFuture<>();
4405	+	incomplete.runAfterEither(f, () -> {});
4406	+	f.complete(null);
4407	+
4408	+	f = new CompletableFuture<>();
4409	+	incomplete.acceptEither(f, x -> {});
4410	+	f.complete(null);
4411	+
4412	+	f = new CompletableFuture<>();
4413	+	incomplete.applyToEither(f, x -> x);
4414	+	f.complete(null);
4415	+
4416	+	f = new CompletableFuture<>();
4417	+	CompletableFuture.anyOf(incomplete, f);
4418	+	f.complete(null);
4419	+	}
4420	+	}
4421	+
4422	+	/**
4423	+	* Reproduction recipe for:
4424	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4425	+	* cvs update -D '2016-05-01' ./src/main/java/util/concurrent/CompletableFuture.java && ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testAnyOfGarbageRetention tck; cvs update -A
4426	+	*/
4427	+	public void testAnyOfGarbageRetention() throws Throwable {
4428	+	for (Integer v : new Integer[] { 1, null })
4429	+	{
4430	+	final int n = expensiveTests ? 100_000 : 10;
4431	+	CompletableFuture<Integer>[] fs
4432	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4433	+	for (int i = 0; i < fs.length; i++)
4434	+	fs[i] = new CompletableFuture<>();
4435	+	fs[fs.length - 1].complete(v);
4436	+	for (int i = 0; i < n; i++)
4437	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4438	+	}}
4439	+
4440	+	/**
4441	+	* Checks for garbage retention with allOf.
4442	+	*
4443	+	* As of 2016-07, fails with OOME:
4444	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4445	+	*/
4446	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4447	+	final int n = expensiveTests ? 100_000 : 10;
4448	+	CompletableFuture<Integer>[] fs
4449	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4450	+	for (int i = 0; i < fs.length; i++)
4451	+	fs[i] = new CompletableFuture<>();
4452	+	for (int i = 0; i < n; i++)
4453	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4454	+	}
4455	+
4456	+	/**
4457	+	* Checks for garbage retention when a dependent future is
4458	+	* cancelled and garbage-collected.
4459	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4460	+	*
4461	+	* As of 2016-07, fails with OOME:
4462	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4463	+	*/
4464	+	public void testCancelledGarbageRetention() throws Throwable {
4465	+	final int n = expensiveTests ? 100_000 : 10;
4466	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4467	+	for (int i = 0; i < n; i++)
4468	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4469	+	}
4470	+
4471	+	/**
4472	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4473	+	* is invoked many times.
4474	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4475	+	*
4476	+	* As of 2016-07, fails with OOME:
4477	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4478	+	*/
4479	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4480	+	final int n = expensiveTests ? 900_000 : 10;
4481	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4482	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4483	+	for (int i = 0; i < n; i++)
4484	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4485	+	}
4486	+
4487	+	//     static <U> U join(CompletionStage<U> stage) {
4488	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4489	+	//         stage.whenComplete((v, ex) -> {
4490	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4491	+	//         });
4492	+	//         return f.join();
4493	+	//     }
4494	+
4495	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4496	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4497	+	//         stage.whenComplete((v, ex) -> {
4498	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4499	+	//         });
4500	+	//         return f.isDone();
4501	+	//     }
4502	+
4503	+	//     static <U> U join2(CompletionStage<U> stage) {
4504	+	//         return stage.toCompletableFuture().copy().join();
4505	+	//     }
4506	+
4507	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4508	+	//         return stage.toCompletableFuture().copy().isDone();
4509	+	//     }
4510	+
4511		}

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