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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.9 by dl, Wed Mar 27 19:45:42 2013 UTC vs.
Revision 1.192 by jsr166, Tue Jan 23 20:44:11 2018 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28	+	import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33	+	import java.util.concurrent.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
22	<	import static java.util.concurrent.TimeUnit.SECONDS;
23	<	import java.util.*;
24	<	import java.util.function.Supplier;
25	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
27	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.Test;
45	+	import junit.framework.TestSuite;
46
47		public class CompletableFutureTest extends JSR166TestCase {
48
49		public static void main(String[] args) {
50	<	junit.textui.TestRunner.run(suite());
50	>	main(suite(), args);
51		}
52		public static Test suite() {
53		return new TestSuite(CompletableFutureTest.class);
#	Line 41 | Line 58 | public class CompletableFutureTest exten
58		void checkIncomplete(CompletableFuture<?> f) {
59		assertFalse(f.isDone());
60		assertFalse(f.isCancelled());
61	<	assertTrue(f.toString().contains("[Not completed]"));
61	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
62		try {
63		assertNull(f.getNow(null));
64		} catch (Throwable fail) { threadUnexpectedException(fail); }
65		try {
66	<	f.get(0L, SECONDS);
66	>	f.get(randomExpiredTimeout(), randomTimeUnit());
67		shouldThrow();
68		}
69		catch (TimeoutException success) {}
70		catch (Throwable fail) { threadUnexpectedException(fail); }
71		}
72
73	<	void checkCompletedNormally(CompletableFuture<?> f, Object value) {
73	>	<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
74	>	checkTimedGet(f, value);
75	>
76		try {
77		assertEquals(value, f.join());
59	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
60	–	try {
78		assertEquals(value, f.getNow(null));
62	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
63	–	try {
79		assertEquals(value, f.get());
80		} catch (Throwable fail) { threadUnexpectedException(fail); }
66	–	try {
67	–	assertEquals(value, f.get(0L, SECONDS));
68	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
81		assertTrue(f.isDone());
82		assertFalse(f.isCancelled());
83	<	assertTrue(f.toString().contains("[Completed normally]"));
83	>	assertFalse(f.isCompletedExceptionally());
84	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
85		}
86
87	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
87	>	/**
88	>	* Returns the "raw" internal exceptional completion of f,
89	>	* without any additional wrapping with CompletionException.
90	>	*/
91	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
92	>	// handle (and whenComplete and exceptionally) can distinguish
93	>	// between "direct" and "wrapped" exceptional completion
94	>	return f.handle((u, t) -> t).join();
95	>	}
96	>
97	>	void checkCompletedExceptionally(CompletableFuture<?> f,
98	>	boolean wrapped,
99	>	Consumer<Throwable> checker) {
100	>	Throwable cause = exceptionalCompletion(f);
101	>	if (wrapped) {
102	>	assertTrue(cause instanceof CompletionException);
103	>	cause = cause.getCause();
104	>	}
105	>	checker.accept(cause);
106	>
107	>	long startTime = System.nanoTime();
108	>	try {
109	>	f.get(LONG_DELAY_MS, MILLISECONDS);
110	>	shouldThrow();
111	>	} catch (ExecutionException success) {
112	>	assertSame(cause, success.getCause());
113	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
114	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
115	>
116		try {
117		f.join();
118		shouldThrow();
119		} catch (CompletionException success) {
120	<	assertTrue(success.getCause() instanceof CFException);
121	<	}
120	>	assertSame(cause, success.getCause());
121	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
122	>
123		try {
124		f.getNow(null);
125		shouldThrow();
126		} catch (CompletionException success) {
127	<	assertTrue(success.getCause() instanceof CFException);
86	<	}
87	<	try {
88	<	f.get();
89	<	shouldThrow();
90	<	} catch (ExecutionException success) {
91	<	assertTrue(success.getCause() instanceof CFException);
127	>	assertSame(cause, success.getCause());
128		} catch (Throwable fail) { threadUnexpectedException(fail); }
129	+
130		try {
131	<	f.get(0L, SECONDS);
131	>	f.get();
132		shouldThrow();
133		} catch (ExecutionException success) {
134	<	assertTrue(success.getCause() instanceof CFException);
134	>	assertSame(cause, success.getCause());
135		} catch (Throwable fail) { threadUnexpectedException(fail); }
136	<	assertTrue(f.isDone());
136	>
137		assertFalse(f.isCancelled());
138	+	assertTrue(f.isDone());
139	+	assertTrue(f.isCompletedExceptionally());
140	+	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
141	+	}
142	+
143	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
144	+	checkCompletedExceptionally(f, true,
145	+	t -> assertTrue(t instanceof CFException));
146	+	}
147	+
148	+	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
149	+	checkCompletedExceptionally(f, true,
150	+	t -> assertTrue(t instanceof CancellationException));
151	+	}
152	+
153	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
154	+	checkCompletedExceptionally(f, false,
155	+	t -> assertTrue(t instanceof TimeoutException));
156	+	}
157	+
158	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
159	+	Throwable ex) {
160	+	checkCompletedExceptionally(f, true, t -> assertSame(t, ex));
161	+	}
162	+
163	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
164	+	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
165		}
166
167		void checkCancelled(CompletableFuture<?> f) {
168	+	long startTime = System.nanoTime();
169		try {
170	<	f.join();
106	<	shouldThrow();
107	<	} catch (CancellationException success) {}
108	<	try {
109	<	f.getNow(null);
110	<	shouldThrow();
111	<	} catch (CancellationException success) {}
112	<	try {
113	<	f.get();
114	<	shouldThrow();
115	<	} catch (CancellationException success) {
116	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
117	<	try {
118	<	f.get(0L, SECONDS);
170	>	f.get(LONG_DELAY_MS, MILLISECONDS);
171		shouldThrow();
172		} catch (CancellationException success) {
173		} catch (Throwable fail) { threadUnexpectedException(fail); }
174	<	assertTrue(f.isDone());
123	<	assertTrue(f.isCancelled());
124	<	}
174	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
175
126	–	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
176		try {
177		f.join();
178		shouldThrow();
179	<	} catch (CompletionException success) {
131	<	assertTrue(success.getCause() instanceof CancellationException);
132	<	}
179	>	} catch (CancellationException success) {}
180		try {
181		f.getNow(null);
182		shouldThrow();
183	<	} catch (CompletionException success) {
137	<	assertTrue(success.getCause() instanceof CancellationException);
138	<	}
183	>	} catch (CancellationException success) {}
184		try {
185		f.get();
186		shouldThrow();
187	<	} catch (ExecutionException success) {
143	<	assertTrue(success.getCause() instanceof CancellationException);
144	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
145	<	try {
146	<	f.get(0L, SECONDS);
147	<	shouldThrow();
148	<	} catch (ExecutionException success) {
149	<	assertTrue(success.getCause() instanceof CancellationException);
187	>	} catch (CancellationException success) {
188		} catch (Throwable fail) { threadUnexpectedException(fail); }
189	+
190	+	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
191	+
192		assertTrue(f.isDone());
193	<	assertFalse(f.isCancelled());
193	>	assertTrue(f.isCompletedExceptionally());
194	>	assertTrue(f.isCancelled());
195	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
196		}
197
198		/**
#	Line 157 | Line 200 | public class CompletableFutureTest exten
200		* by methods isDone, isCancelled, and getNow
201		*/
202		public void testConstructor() {
203	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
203	>	CompletableFuture<Integer> f = new CompletableFuture<>();
204		checkIncomplete(f);
205		}
206
#	Line 166 | Line 209 | public class CompletableFutureTest exten
209		* isCancelled, join, get, and getNow
210		*/
211		public void testComplete() {
212	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
212	>	for (Integer v1 : new Integer[] { 1, null })
213	>	{
214	>	CompletableFuture<Integer> f = new CompletableFuture<>();
215		checkIncomplete(f);
216	<	f.complete(one);
217	<	checkCompletedNormally(f, one);
218	<	}
216	>	assertTrue(f.complete(v1));
217	>	assertFalse(f.complete(v1));
218	>	checkCompletedNormally(f, v1);
219	>	}}
220
221		/**
222		* completeExceptionally completes exceptionally, as indicated by
223		* methods isDone, isCancelled, join, get, and getNow
224		*/
225		public void testCompleteExceptionally() {
226	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
226	>	CompletableFuture<Integer> f = new CompletableFuture<>();
227	>	CFException ex = new CFException();
228		checkIncomplete(f);
229	<	f.completeExceptionally(new CFException());
230	<	checkCompletedWithWrappedCFException(f);
229	>	f.completeExceptionally(ex);
230	>	checkCompletedExceptionally(f, ex);
231		}
232
233		/**
#	Line 188 | Line 235 | public class CompletableFutureTest exten
235		* methods isDone, isCancelled, join, get, and getNow
236		*/
237		public void testCancel() {
238	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
238	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
239	>	{
240	>	CompletableFuture<Integer> f = new CompletableFuture<>();
241		checkIncomplete(f);
242	<	assertTrue(f.cancel(true));
242	>	assertTrue(f.cancel(mayInterruptIfRunning));
243	>	assertTrue(f.cancel(mayInterruptIfRunning));
244	>	assertTrue(f.cancel(!mayInterruptIfRunning));
245		checkCancelled(f);
246	<	}
246	>	}}
247
248		/**
249		* obtrudeValue forces completion with given value
250		*/
251		public void testObtrudeValue() {
252	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
252	>	CompletableFuture<Integer> f = new CompletableFuture<>();
253		checkIncomplete(f);
254	<	f.complete(one);
254	>	assertTrue(f.complete(one));
255		checkCompletedNormally(f, one);
256		f.obtrudeValue(three);
257		checkCompletedNormally(f, three);
258		f.obtrudeValue(two);
259		checkCompletedNormally(f, two);
260	<	f = new CompletableFuture<Integer>();
260	>	f = new CompletableFuture<>();
261		f.obtrudeValue(three);
262		checkCompletedNormally(f, three);
263	<	f = new CompletableFuture<Integer>();
263	>	f.obtrudeValue(null);
264	>	checkCompletedNormally(f, null);
265	>	f = new CompletableFuture<>();
266		f.completeExceptionally(new CFException());
267		f.obtrudeValue(four);
268		checkCompletedNormally(f, four);
#	Line 219 | Line 272 | public class CompletableFutureTest exten
272		* obtrudeException forces completion with given exception
273		*/
274		public void testObtrudeException() {
275	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
276	<	checkIncomplete(f);
277	<	f.complete(one);
278	<	checkCompletedNormally(f, one);
279	<	f.obtrudeException(new CFException());
280	<	checkCompletedWithWrappedCFException(f);
281	<	f = new CompletableFuture<Integer>();
282	<	f.obtrudeException(new CFException());
283	<	checkCompletedWithWrappedCFException(f);
284	<	f = new CompletableFuture<Integer>();
275	>	for (Integer v1 : new Integer[] { 1, null })
276	>	{
277	>	CFException ex;
278	>	CompletableFuture<Integer> f;
279	>
280	>	f = new CompletableFuture<>();
281	>	assertTrue(f.complete(v1));
282	>	for (int i = 0; i < 2; i++) {
283	>	f.obtrudeException(ex = new CFException());
284	>	checkCompletedExceptionally(f, ex);
285	>	}
286	>
287	>	f = new CompletableFuture<>();
288	>	for (int i = 0; i < 2; i++) {
289	>	f.obtrudeException(ex = new CFException());
290	>	checkCompletedExceptionally(f, ex);
291	>	}
292	>
293	>	f = new CompletableFuture<>();
294	>	f.completeExceptionally(ex = new CFException());
295	>	f.obtrudeValue(v1);
296	>	checkCompletedNormally(f, v1);
297	>	f.obtrudeException(ex = new CFException());
298	>	checkCompletedExceptionally(f, ex);
299		f.completeExceptionally(new CFException());
300	<	f.obtrudeValue(four);
301	<	checkCompletedNormally(f, four);
302	<	f.obtrudeException(new CFException());
303	<	checkCompletedWithWrappedCFException(f);
237	<	}
300	>	checkCompletedExceptionally(f, ex);
301	>	assertFalse(f.complete(v1));
302	>	checkCompletedExceptionally(f, ex);
303	>	}}
304
305		/**
306		* getNumberOfDependents returns number of dependent tasks
307		*/
308		public void testGetNumberOfDependents() {
309	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
310	<	assertEquals(f.getNumberOfDependents(), 0);
311	<	CompletableFuture g = f.thenRun(new Noop());
312	<	assertEquals(f.getNumberOfDependents(), 1);
313	<	assertEquals(g.getNumberOfDependents(), 0);
314	<	CompletableFuture h = f.thenRun(new Noop());
315	<	assertEquals(f.getNumberOfDependents(), 2);
316	<	f.complete(1);
309	>	for (ExecutionMode m : ExecutionMode.values())
310	>	for (Integer v1 : new Integer[] { 1, null })
311	>	{
312	>	CompletableFuture<Integer> f = new CompletableFuture<>();
313	>	assertEquals(0, f.getNumberOfDependents());
314	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
315	>	assertEquals(1, f.getNumberOfDependents());
316	>	assertEquals(0, g.getNumberOfDependents());
317	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
318	>	assertEquals(2, f.getNumberOfDependents());
319	>	assertEquals(0, h.getNumberOfDependents());
320	>	assertTrue(f.complete(v1));
321		checkCompletedNormally(g, null);
322	<	assertEquals(f.getNumberOfDependents(), 0);
323	<	assertEquals(g.getNumberOfDependents(), 0);
324	<	}
325	<
322	>	checkCompletedNormally(h, null);
323	>	assertEquals(0, f.getNumberOfDependents());
324	>	assertEquals(0, g.getNumberOfDependents());
325	>	assertEquals(0, h.getNumberOfDependents());
326	>	}}
327
328		/**
329		* toString indicates current completion state
330		*/
331	<	public void testToString() {
332	<	CompletableFuture<String> f;
333	<
334	<	f = new CompletableFuture<String>();
335	<	assertTrue(f.toString().contains("[Not completed]"));
336	<
337	<	f.complete("foo");
338	<	assertTrue(f.toString().contains("[Completed normally]"));
339	<
340	<	f = new CompletableFuture<String>();
341	<	f.completeExceptionally(new IndexOutOfBoundsException());
342	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
331	>	public void testToString_incomplete() {
332	>	CompletableFuture<String> f = new CompletableFuture<>();
333	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
334	>	if (testImplementationDetails)
335	>	assertEquals(identityString(f) + "[Not completed]",
336	>	f.toString());
337	>	}
338	>
339	>	public void testToString_normal() {
340	>	CompletableFuture<String> f = new CompletableFuture<>();
341	>	assertTrue(f.complete("foo"));
342	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
343	>	if (testImplementationDetails)
344	>	assertEquals(identityString(f) + "[Completed normally]",
345	>	f.toString());
346	>	}
347	>
348	>	public void testToString_exception() {
349	>	CompletableFuture<String> f = new CompletableFuture<>();
350	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
351	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
352	>	if (testImplementationDetails)
353	>	assertTrue(f.toString().startsWith(
354	>	identityString(f) + "[Completed exceptionally: "));
355	>	}
356	>
357	>	public void testToString_cancelled() {
358	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
359	>	CompletableFuture<String> f = new CompletableFuture<>();
360	>	assertTrue(f.cancel(mayInterruptIfRunning));
361	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
362	>	if (testImplementationDetails)
363	>	assertTrue(f.toString().startsWith(
364	>	identityString(f) + "[Completed exceptionally: "));
365	>	}
366		}
367
368		/**
369	<	* completedFuture returns a completed CompletableFuture with give value
369	>	* completedFuture returns a completed CompletableFuture with given value
370		*/
371		public void testCompletedFuture() {
372		CompletableFuture<String> f = CompletableFuture.completedFuture("test");
373		checkCompletedNormally(f, "test");
374		}
375
376	<	static final Supplier<Integer> supplyOne =
377	<	() -> Integer.valueOf(1);
378	<	static final Function<Integer, Integer> inc =
379	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
380	<	static final BiFunction<Integer, Integer, Integer> add =
381	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() + y.intValue());
382	<	static final class IncAction implements Consumer<Integer> {
383	<	int value;
384	<	public void accept(Integer x) { value = x.intValue() + 1; }
376	>	abstract static class CheckedAction {
377	>	int invocationCount = 0;
378	>	final ExecutionMode m;
379	>	CheckedAction(ExecutionMode m) { this.m = m; }
380	>	void invoked() {
381	>	m.checkExecutionMode();
382	>	assertEquals(0, invocationCount++);
383	>	}
384	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
385	>	void assertInvoked() { assertEquals(1, invocationCount); }
386	>	}
387	>
388	>	abstract static class CheckedIntegerAction extends CheckedAction {
389	>	Integer value;
390	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
391	>	void assertValue(Integer expected) {
392	>	assertInvoked();
393	>	assertEquals(expected, value);
394	>	}
395		}
396	<	static final class AddAction implements BiConsumer<Integer, Integer> {
397	<	int value;
396	>
397	>	static class IntegerSupplier extends CheckedAction
398	>	implements Supplier<Integer>
399	>	{
400	>	final Integer value;
401	>	IntegerSupplier(ExecutionMode m, Integer value) {
402	>	super(m);
403	>	this.value = value;
404	>	}
405	>	public Integer get() {
406	>	invoked();
407	>	return value;
408	>	}
409	>	}
410	>
411	>	// A function that handles and produces null values as well.
412	>	static Integer inc(Integer x) {
413	>	return (x == null) ? null : x + 1;
414	>	}
415	>
416	>	static class NoopConsumer extends CheckedIntegerAction
417	>	implements Consumer<Integer>
418	>	{
419	>	NoopConsumer(ExecutionMode m) { super(m); }
420	>	public void accept(Integer x) {
421	>	invoked();
422	>	value = x;
423	>	}
424	>	}
425	>
426	>	static class IncFunction extends CheckedIntegerAction
427	>	implements Function<Integer,Integer>
428	>	{
429	>	IncFunction(ExecutionMode m) { super(m); }
430	>	public Integer apply(Integer x) {
431	>	invoked();
432	>	return value = inc(x);
433	>	}
434	>	}
435	>
436	>	// Choose non-commutative actions for better coverage
437	>	// A non-commutative function that handles and produces null values as well.
438	>	static Integer subtract(Integer x, Integer y) {
439	>	return (x == null && y == null) ? null :
440	>	((x == null) ? 42 : x.intValue())
441	>	- ((y == null) ? 99 : y.intValue());
442	>	}
443	>
444	>	static class SubtractAction extends CheckedIntegerAction
445	>	implements BiConsumer<Integer, Integer>
446	>	{
447	>	SubtractAction(ExecutionMode m) { super(m); }
448		public void accept(Integer x, Integer y) {
449	<	value = x.intValue() + y.intValue();
449	>	invoked();
450	>	value = subtract(x, y);
451		}
452		}
453	<	static final class Noop implements Runnable {
454	<	boolean ran;
455	<	public void run() { ran = true; }
453	>
454	>	static class SubtractFunction extends CheckedIntegerAction
455	>	implements BiFunction<Integer, Integer, Integer>
456	>	{
457	>	SubtractFunction(ExecutionMode m) { super(m); }
458	>	public Integer apply(Integer x, Integer y) {
459	>	invoked();
460	>	return value = subtract(x, y);
461	>	}
462		}
463
464	<	static final class FailingSupplier implements Supplier<Integer> {
465	<	boolean ran;
466	<	public Integer get() { ran = true; throw new CFException(); }
464	>	static class Noop extends CheckedAction implements Runnable {
465	>	Noop(ExecutionMode m) { super(m); }
466	>	public void run() {
467	>	invoked();
468	>	}
469		}
470	<	static final class FailingConsumer implements Consumer<Integer> {
471	<	boolean ran;
472	<	public void accept(Integer x) { ran = true; throw new CFException(); }
470	>
471	>	static class FailingSupplier extends CheckedAction
472	>	implements Supplier<Integer>
473	>	{
474	>	final CFException ex;
475	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
476	>	public Integer get() {
477	>	invoked();
478	>	throw ex;
479	>	}
480		}
481	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
482	<	boolean ran;
483	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
481	>
482	>	static class FailingConsumer extends CheckedIntegerAction
483	>	implements Consumer<Integer>
484	>	{
485	>	final CFException ex;
486	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
487	>	public void accept(Integer x) {
488	>	invoked();
489	>	value = x;
490	>	throw ex;
491	>	}
492		}
493	<	static final class FailingFunction implements Function<Integer, Integer> {
494	<	boolean ran;
495	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
493	>
494	>	static class FailingBiConsumer extends CheckedIntegerAction
495	>	implements BiConsumer<Integer, Integer>
496	>	{
497	>	final CFException ex;
498	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
499	>	public void accept(Integer x, Integer y) {
500	>	invoked();
501	>	value = subtract(x, y);
502	>	throw ex;
503	>	}
504		}
505	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
506	<	boolean ran;
507	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
505	>
506	>	static class FailingFunction extends CheckedIntegerAction
507	>	implements Function<Integer, Integer>
508	>	{
509	>	final CFException ex;
510	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
511	>	public Integer apply(Integer x) {
512	>	invoked();
513	>	value = x;
514	>	throw ex;
515	>	}
516	>	}
517	>
518	>	static class FailingBiFunction extends CheckedIntegerAction
519	>	implements BiFunction<Integer, Integer, Integer>
520	>	{
521	>	final CFException ex;
522	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
523	>	public Integer apply(Integer x, Integer y) {
524	>	invoked();
525	>	value = subtract(x, y);
526	>	throw ex;
527	>	}
528		}
529	<	static final class FailingNoop implements Runnable {
530	<	boolean ran;
531	<	public void run() { ran = true; throw new CFException(); }
529	>
530	>	static class FailingRunnable extends CheckedAction implements Runnable {
531	>	final CFException ex;
532	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
533	>	public void run() {
534	>	invoked();
535	>	throw ex;
536	>	}
537		}
538
539	<	static final class CompletableFutureInc implements Function<Integer, CompletableFuture<Integer>> {
539	>	static class CompletableFutureInc extends CheckedIntegerAction
540	>	implements Function<Integer, CompletableFuture<Integer>>
541	>	{
542	>	CompletableFutureInc(ExecutionMode m) { super(m); }
543		public CompletableFuture<Integer> apply(Integer x) {
544	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
545	<	f.complete(Integer.valueOf(x.intValue() + 1));
544	>	invoked();
545	>	value = x;
546	>	CompletableFuture<Integer> f = new CompletableFuture<>();
547	>	assertTrue(f.complete(inc(x)));
548		return f;
549		}
550		}
551
552	<	static final class FailingCompletableFutureFunction implements Function<Integer, CompletableFuture<Integer>> {
553	<	boolean ran;
552	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
553	>	implements Function<Integer, CompletableFuture<Integer>>
554	>	{
555	>	final CFException ex;
556	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
557		public CompletableFuture<Integer> apply(Integer x) {
558	<	ran = true; throw new CFException();
558	>	invoked();
559	>	value = x;
560	>	throw ex;
561		}
562		}
563
564	<	// Used for explicit executor tests
565	<	static final class ThreadExecutor implements Executor {
564	>	static class CountingRejectingExecutor implements Executor {
565	>	final RejectedExecutionException ex = new RejectedExecutionException();
566	>	final AtomicInteger count = new AtomicInteger(0);
567		public void execute(Runnable r) {
568	<	new Thread(r).start();
568	>	count.getAndIncrement();
569	>	throw ex;
570		}
571		}
572
573	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
574	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
575	<	}
573	>	// Used for explicit executor tests
574	>	static final class ThreadExecutor implements Executor {
575	>	final AtomicInteger count = new AtomicInteger(0);
576	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
577	>	static boolean startedCurrentThread() {
578	>	return Thread.currentThread().getThreadGroup() == tg;
579	>	}
580
581	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
582	<	public Integer apply(Integer x, Throwable t) {
583	<	return (t == null) ? two : three;
581	>	public void execute(Runnable r) {
582	>	count.getAndIncrement();
583	>	new Thread(tg, r).start();
584		}
585		}
586
587	+	static final boolean defaultExecutorIsCommonPool
588	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
589	+
590	+	/**
591	+	* Permits the testing of parallel code for the 3 different
592	+	* execution modes without copy/pasting all the test methods.
593	+	*/
594	+	enum ExecutionMode {
595	+	SYNC {
596	+	public void checkExecutionMode() {
597	+	assertFalse(ThreadExecutor.startedCurrentThread());
598	+	assertNull(ForkJoinTask.getPool());
599	+	}
600	+	public CompletableFuture<Void> runAsync(Runnable a) {
601	+	throw new UnsupportedOperationException();
602	+	}
603	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
604	+	throw new UnsupportedOperationException();
605	+	}
606	+	public <T> CompletableFuture<Void> thenRun
607	+	(CompletableFuture<T> f, Runnable a) {
608	+	return f.thenRun(a);
609	+	}
610	+	public <T> CompletableFuture<Void> thenAccept
611	+	(CompletableFuture<T> f, Consumer<? super T> a) {
612	+	return f.thenAccept(a);
613	+	}
614	+	public <T,U> CompletableFuture<U> thenApply
615	+	(CompletableFuture<T> f, Function<? super T,U> a) {
616	+	return f.thenApply(a);
617	+	}
618	+	public <T,U> CompletableFuture<U> thenCompose
619	+	(CompletableFuture<T> f,
620	+	Function<? super T,? extends CompletionStage<U>> a) {
621	+	return f.thenCompose(a);
622	+	}
623	+	public <T,U> CompletableFuture<U> handle
624	+	(CompletableFuture<T> f,
625	+	BiFunction<? super T,Throwable,? extends U> a) {
626	+	return f.handle(a);
627	+	}
628	+	public <T> CompletableFuture<T> whenComplete
629	+	(CompletableFuture<T> f,
630	+	BiConsumer<? super T,? super Throwable> a) {
631	+	return f.whenComplete(a);
632	+	}
633	+	public <T,U> CompletableFuture<Void> runAfterBoth
634	+	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
635	+	return f.runAfterBoth(g, a);
636	+	}
637	+	public <T,U> CompletableFuture<Void> thenAcceptBoth
638	+	(CompletableFuture<T> f,
639	+	CompletionStage<? extends U> g,
640	+	BiConsumer<? super T,? super U> a) {
641	+	return f.thenAcceptBoth(g, a);
642	+	}
643	+	public <T,U,V> CompletableFuture<V> thenCombine
644	+	(CompletableFuture<T> f,
645	+	CompletionStage<? extends U> g,
646	+	BiFunction<? super T,? super U,? extends V> a) {
647	+	return f.thenCombine(g, a);
648	+	}
649	+	public <T> CompletableFuture<Void> runAfterEither
650	+	(CompletableFuture<T> f,
651	+	CompletionStage<?> g,
652	+	java.lang.Runnable a) {
653	+	return f.runAfterEither(g, a);
654	+	}
655	+	public <T> CompletableFuture<Void> acceptEither
656	+	(CompletableFuture<T> f,
657	+	CompletionStage<? extends T> g,
658	+	Consumer<? super T> a) {
659	+	return f.acceptEither(g, a);
660	+	}
661	+	public <T,U> CompletableFuture<U> applyToEither
662	+	(CompletableFuture<T> f,
663	+	CompletionStage<? extends T> g,
664	+	Function<? super T,U> a) {
665	+	return f.applyToEither(g, a);
666	+	}
667	+	},
668	+
669	+	ASYNC {
670	+	public void checkExecutionMode() {
671	+	assertEquals(defaultExecutorIsCommonPool,
672	+	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
673	+	}
674	+	public CompletableFuture<Void> runAsync(Runnable a) {
675	+	return CompletableFuture.runAsync(a);
676	+	}
677	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
678	+	return CompletableFuture.supplyAsync(a);
679	+	}
680	+	public <T> CompletableFuture<Void> thenRun
681	+	(CompletableFuture<T> f, Runnable a) {
682	+	return f.thenRunAsync(a);
683	+	}
684	+	public <T> CompletableFuture<Void> thenAccept
685	+	(CompletableFuture<T> f, Consumer<? super T> a) {
686	+	return f.thenAcceptAsync(a);
687	+	}
688	+	public <T,U> CompletableFuture<U> thenApply
689	+	(CompletableFuture<T> f, Function<? super T,U> a) {
690	+	return f.thenApplyAsync(a);
691	+	}
692	+	public <T,U> CompletableFuture<U> thenCompose
693	+	(CompletableFuture<T> f,
694	+	Function<? super T,? extends CompletionStage<U>> a) {
695	+	return f.thenComposeAsync(a);
696	+	}
697	+	public <T,U> CompletableFuture<U> handle
698	+	(CompletableFuture<T> f,
699	+	BiFunction<? super T,Throwable,? extends U> a) {
700	+	return f.handleAsync(a);
701	+	}
702	+	public <T> CompletableFuture<T> whenComplete
703	+	(CompletableFuture<T> f,
704	+	BiConsumer<? super T,? super Throwable> a) {
705	+	return f.whenCompleteAsync(a);
706	+	}
707	+	public <T,U> CompletableFuture<Void> runAfterBoth
708	+	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
709	+	return f.runAfterBothAsync(g, a);
710	+	}
711	+	public <T,U> CompletableFuture<Void> thenAcceptBoth
712	+	(CompletableFuture<T> f,
713	+	CompletionStage<? extends U> g,
714	+	BiConsumer<? super T,? super U> a) {
715	+	return f.thenAcceptBothAsync(g, a);
716	+	}
717	+	public <T,U,V> CompletableFuture<V> thenCombine
718	+	(CompletableFuture<T> f,
719	+	CompletionStage<? extends U> g,
720	+	BiFunction<? super T,? super U,? extends V> a) {
721	+	return f.thenCombineAsync(g, a);
722	+	}
723	+	public <T> CompletableFuture<Void> runAfterEither
724	+	(CompletableFuture<T> f,
725	+	CompletionStage<?> g,
726	+	java.lang.Runnable a) {
727	+	return f.runAfterEitherAsync(g, a);
728	+	}
729	+	public <T> CompletableFuture<Void> acceptEither
730	+	(CompletableFuture<T> f,
731	+	CompletionStage<? extends T> g,
732	+	Consumer<? super T> a) {
733	+	return f.acceptEitherAsync(g, a);
734	+	}
735	+	public <T,U> CompletableFuture<U> applyToEither
736	+	(CompletableFuture<T> f,
737	+	CompletionStage<? extends T> g,
738	+	Function<? super T,U> a) {
739	+	return f.applyToEitherAsync(g, a);
740	+	}
741	+	},
742	+
743	+	EXECUTOR {
744	+	public void checkExecutionMode() {
745	+	assertTrue(ThreadExecutor.startedCurrentThread());
746	+	}
747	+	public CompletableFuture<Void> runAsync(Runnable a) {
748	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
749	+	}
750	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
751	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
752	+	}
753	+	public <T> CompletableFuture<Void> thenRun
754	+	(CompletableFuture<T> f, Runnable a) {
755	+	return f.thenRunAsync(a, new ThreadExecutor());
756	+	}
757	+	public <T> CompletableFuture<Void> thenAccept
758	+	(CompletableFuture<T> f, Consumer<? super T> a) {
759	+	return f.thenAcceptAsync(a, new ThreadExecutor());
760	+	}
761	+	public <T,U> CompletableFuture<U> thenApply
762	+	(CompletableFuture<T> f, Function<? super T,U> a) {
763	+	return f.thenApplyAsync(a, new ThreadExecutor());
764	+	}
765	+	public <T,U> CompletableFuture<U> thenCompose
766	+	(CompletableFuture<T> f,
767	+	Function<? super T,? extends CompletionStage<U>> a) {
768	+	return f.thenComposeAsync(a, new ThreadExecutor());
769	+	}
770	+	public <T,U> CompletableFuture<U> handle
771	+	(CompletableFuture<T> f,
772	+	BiFunction<? super T,Throwable,? extends U> a) {
773	+	return f.handleAsync(a, new ThreadExecutor());
774	+	}
775	+	public <T> CompletableFuture<T> whenComplete
776	+	(CompletableFuture<T> f,
777	+	BiConsumer<? super T,? super Throwable> a) {
778	+	return f.whenCompleteAsync(a, new ThreadExecutor());
779	+	}
780	+	public <T,U> CompletableFuture<Void> runAfterBoth
781	+	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
782	+	return f.runAfterBothAsync(g, a, new ThreadExecutor());
783	+	}
784	+	public <T,U> CompletableFuture<Void> thenAcceptBoth
785	+	(CompletableFuture<T> f,
786	+	CompletionStage<? extends U> g,
787	+	BiConsumer<? super T,? super U> a) {
788	+	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
789	+	}
790	+	public <T,U,V> CompletableFuture<V> thenCombine
791	+	(CompletableFuture<T> f,
792	+	CompletionStage<? extends U> g,
793	+	BiFunction<? super T,? super U,? extends V> a) {
794	+	return f.thenCombineAsync(g, a, new ThreadExecutor());
795	+	}
796	+	public <T> CompletableFuture<Void> runAfterEither
797	+	(CompletableFuture<T> f,
798	+	CompletionStage<?> g,
799	+	java.lang.Runnable a) {
800	+	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
801	+	}
802	+	public <T> CompletableFuture<Void> acceptEither
803	+	(CompletableFuture<T> f,
804	+	CompletionStage<? extends T> g,
805	+	Consumer<? super T> a) {
806	+	return f.acceptEitherAsync(g, a, new ThreadExecutor());
807	+	}
808	+	public <T,U> CompletableFuture<U> applyToEither
809	+	(CompletableFuture<T> f,
810	+	CompletionStage<? extends T> g,
811	+	Function<? super T,U> a) {
812	+	return f.applyToEitherAsync(g, a, new ThreadExecutor());
813	+	}
814	+	};
815	+
816	+	public abstract void checkExecutionMode();
817	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
818	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
819	+	public abstract <T> CompletableFuture<Void> thenRun
820	+	(CompletableFuture<T> f, Runnable a);
821	+	public abstract <T> CompletableFuture<Void> thenAccept
822	+	(CompletableFuture<T> f, Consumer<? super T> a);
823	+	public abstract <T,U> CompletableFuture<U> thenApply
824	+	(CompletableFuture<T> f, Function<? super T,U> a);
825	+	public abstract <T,U> CompletableFuture<U> thenCompose
826	+	(CompletableFuture<T> f,
827	+	Function<? super T,? extends CompletionStage<U>> a);
828	+	public abstract <T,U> CompletableFuture<U> handle
829	+	(CompletableFuture<T> f,
830	+	BiFunction<? super T,Throwable,? extends U> a);
831	+	public abstract <T> CompletableFuture<T> whenComplete
832	+	(CompletableFuture<T> f,
833	+	BiConsumer<? super T,? super Throwable> a);
834	+	public abstract <T,U> CompletableFuture<Void> runAfterBoth
835	+	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
836	+	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
837	+	(CompletableFuture<T> f,
838	+	CompletionStage<? extends U> g,
839	+	BiConsumer<? super T,? super U> a);
840	+	public abstract <T,U,V> CompletableFuture<V> thenCombine
841	+	(CompletableFuture<T> f,
842	+	CompletionStage<? extends U> g,
843	+	BiFunction<? super T,? super U,? extends V> a);
844	+	public abstract <T> CompletableFuture<Void> runAfterEither
845	+	(CompletableFuture<T> f,
846	+	CompletionStage<?> g,
847	+	java.lang.Runnable a);
848	+	public abstract <T> CompletableFuture<Void> acceptEither
849	+	(CompletableFuture<T> f,
850	+	CompletionStage<? extends T> g,
851	+	Consumer<? super T> a);
852	+	public abstract <T,U> CompletableFuture<U> applyToEither
853	+	(CompletableFuture<T> f,
854	+	CompletionStage<? extends T> g,
855	+	Function<? super T,U> a);
856	+	}
857	+
858	+	/**
859	+	* exceptionally action is not invoked when source completes
860	+	* normally, and source result is propagated
861	+	*/
862	+	public void testExceptionally_normalCompletion() {
863	+	for (boolean createIncomplete : new boolean[] { true, false })
864	+	for (Integer v1 : new Integer[] { 1, null })
865	+	{
866	+	final AtomicInteger a = new AtomicInteger(0);
867	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
868	+	if (!createIncomplete) assertTrue(f.complete(v1));
869	+	final CompletableFuture<Integer> g = f.exceptionally
870	+	((Throwable t) -> {
871	+	a.getAndIncrement();
872	+	threadFail("should not be called");
873	+	return null;            // unreached
874	+	});
875	+	if (createIncomplete) assertTrue(f.complete(v1));
876	+
877	+	checkCompletedNormally(g, v1);
878	+	checkCompletedNormally(f, v1);
879	+	assertEquals(0, a.get());
880	+	}}
881
882		/**
883		* exceptionally action completes with function value on source
884	<	* exception;  otherwise with source value
884	>	* exception
885		*/
886	<	public void testExceptionally() {
887	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
888	<	ExceptionToInteger r = new ExceptionToInteger();
889	<	CompletableFuture<Integer> g = f.exceptionally(r);
890	<	f.completeExceptionally(new CFException());
891	<	checkCompletedNormally(g, three);
886	>	public void testExceptionally_exceptionalCompletion() {
887	>	for (boolean createIncomplete : new boolean[] { true, false })
888	>	for (Integer v1 : new Integer[] { 1, null })
889	>	{
890	>	final AtomicInteger a = new AtomicInteger(0);
891	>	final CFException ex = new CFException();
892	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
893	>	if (!createIncomplete) f.completeExceptionally(ex);
894	>	final CompletableFuture<Integer> g = f.exceptionally
895	>	((Throwable t) -> {
896	>	ExecutionMode.SYNC.checkExecutionMode();
897	>	threadAssertSame(t, ex);
898	>	a.getAndIncrement();
899	>	return v1;
900	>	});
901	>	if (createIncomplete) f.completeExceptionally(ex);
902	>
903	>	checkCompletedNormally(g, v1);
904	>	assertEquals(1, a.get());
905	>	}}
906	>
907	>	/**
908	>	* If an "exceptionally action" throws an exception, it completes
909	>	* exceptionally with that exception
910	>	*/
911	>	public void testExceptionally_exceptionalCompletionActionFailed() {
912	>	for (boolean createIncomplete : new boolean[] { true, false })
913	>	{
914	>	final AtomicInteger a = new AtomicInteger(0);
915	>	final CFException ex1 = new CFException();
916	>	final CFException ex2 = new CFException();
917	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
918	>	if (!createIncomplete) f.completeExceptionally(ex1);
919	>	final CompletableFuture<Integer> g = f.exceptionally
920	>	((Throwable t) -> {
921	>	ExecutionMode.SYNC.checkExecutionMode();
922	>	threadAssertSame(t, ex1);
923	>	a.getAndIncrement();
924	>	throw ex2;
925	>	});
926	>	if (createIncomplete) f.completeExceptionally(ex1);
927	>
928	>	checkCompletedWithWrappedException(g, ex2);
929	>	checkCompletedExceptionally(f, ex1);
930	>	assertEquals(1, a.get());
931	>	}}
932	>
933	>	/**
934	>	* whenComplete action executes on normal completion, propagating
935	>	* source result.
936	>	*/
937	>	public void testWhenComplete_normalCompletion() {
938	>	for (ExecutionMode m : ExecutionMode.values())
939	>	for (boolean createIncomplete : new boolean[] { true, false })
940	>	for (Integer v1 : new Integer[] { 1, null })
941	>	{
942	>	final AtomicInteger a = new AtomicInteger(0);
943	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
944	>	if (!createIncomplete) assertTrue(f.complete(v1));
945	>	final CompletableFuture<Integer> g = m.whenComplete
946	>	(f,
947	>	(Integer result, Throwable t) -> {
948	>	m.checkExecutionMode();
949	>	threadAssertSame(result, v1);
950	>	threadAssertNull(t);
951	>	a.getAndIncrement();
952	>	});
953	>	if (createIncomplete) assertTrue(f.complete(v1));
954	>
955	>	checkCompletedNormally(g, v1);
956	>	checkCompletedNormally(f, v1);
957	>	assertEquals(1, a.get());
958	>	}}
959	>
960	>	/**
961	>	* whenComplete action executes on exceptional completion, propagating
962	>	* source result.
963	>	*/
964	>	public void testWhenComplete_exceptionalCompletion() {
965	>	for (ExecutionMode m : ExecutionMode.values())
966	>	for (boolean createIncomplete : new boolean[] { true, false })
967	>	{
968	>	final AtomicInteger a = new AtomicInteger(0);
969	>	final CFException ex = new CFException();
970	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
971	>	if (!createIncomplete) f.completeExceptionally(ex);
972	>	final CompletableFuture<Integer> g = m.whenComplete
973	>	(f,
974	>	(Integer result, Throwable t) -> {
975	>	m.checkExecutionMode();
976	>	threadAssertNull(result);
977	>	threadAssertSame(t, ex);
978	>	a.getAndIncrement();
979	>	});
980	>	if (createIncomplete) f.completeExceptionally(ex);
981	>
982	>	checkCompletedWithWrappedException(g, ex);
983	>	checkCompletedExceptionally(f, ex);
984	>	assertEquals(1, a.get());
985	>	}}
986	>
987	>	/**
988	>	* whenComplete action executes on cancelled source, propagating
989	>	* CancellationException.
990	>	*/
991	>	public void testWhenComplete_sourceCancelled() {
992	>	for (ExecutionMode m : ExecutionMode.values())
993	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
994	>	for (boolean createIncomplete : new boolean[] { true, false })
995	>	{
996	>	final AtomicInteger a = new AtomicInteger(0);
997	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
998	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
999	>	final CompletableFuture<Integer> g = m.whenComplete
1000	>	(f,
1001	>	(Integer result, Throwable t) -> {
1002	>	m.checkExecutionMode();
1003	>	threadAssertNull(result);
1004	>	threadAssertTrue(t instanceof CancellationException);
1005	>	a.getAndIncrement();
1006	>	});
1007	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1008
1009	<	f = new CompletableFuture<Integer>();
1010	<	r = new ExceptionToInteger();
1011	<	g = f.exceptionally(r);
1012	<	f.complete(one);
376	<	checkCompletedNormally(g, one);
377	<	}
1009	>	checkCompletedWithWrappedCancellationException(g);
1010	>	checkCancelled(f);
1011	>	assertEquals(1, a.get());
1012	>	}}
1013
1014		/**
1015	<	* handle action completes normally with function value on either
1016	<	* normal or exceptional completion of source
1015	>	* If a whenComplete action throws an exception when triggered by
1016	>	* a normal completion, it completes exceptionally
1017		*/
1018	<	public void testHandle() {
1019	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1020	<	IntegerHandler r = new IntegerHandler();
1021	<	CompletableFuture<Integer> g = f.handle(r);
1022	<	f.completeExceptionally(new CFException());
1023	<	checkCompletedNormally(g, three);
1018	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1019	>	for (boolean createIncomplete : new boolean[] { true, false })
1020	>	for (ExecutionMode m : ExecutionMode.values())
1021	>	for (Integer v1 : new Integer[] { 1, null })
1022	>	{
1023	>	final AtomicInteger a = new AtomicInteger(0);
1024	>	final CFException ex = new CFException();
1025	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1026	>	if (!createIncomplete) assertTrue(f.complete(v1));
1027	>	final CompletableFuture<Integer> g = m.whenComplete
1028	>	(f,
1029	>	(Integer result, Throwable t) -> {
1030	>	m.checkExecutionMode();
1031	>	threadAssertSame(result, v1);
1032	>	threadAssertNull(t);
1033	>	a.getAndIncrement();
1034	>	throw ex;
1035	>	});
1036	>	if (createIncomplete) assertTrue(f.complete(v1));
1037	>
1038	>	checkCompletedWithWrappedException(g, ex);
1039	>	checkCompletedNormally(f, v1);
1040	>	assertEquals(1, a.get());
1041	>	}}
1042	>
1043	>	/**
1044	>	* If a whenComplete action throws an exception when triggered by
1045	>	* a source completion that also throws an exception, the source
1046	>	* exception takes precedence (unlike handle)
1047	>	*/
1048	>	public void testWhenComplete_sourceFailedActionFailed() {
1049	>	for (boolean createIncomplete : new boolean[] { true, false })
1050	>	for (ExecutionMode m : ExecutionMode.values())
1051	>	{
1052	>	final AtomicInteger a = new AtomicInteger(0);
1053	>	final CFException ex1 = new CFException();
1054	>	final CFException ex2 = new CFException();
1055	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1056	>
1057	>	if (!createIncomplete) f.completeExceptionally(ex1);
1058	>	final CompletableFuture<Integer> g = m.whenComplete
1059	>	(f,
1060	>	(Integer result, Throwable t) -> {
1061	>	m.checkExecutionMode();
1062	>	threadAssertSame(t, ex1);
1063	>	threadAssertNull(result);
1064	>	a.getAndIncrement();
1065	>	throw ex2;
1066	>	});
1067	>	if (createIncomplete) f.completeExceptionally(ex1);
1068	>
1069	>	checkCompletedWithWrappedException(g, ex1);
1070	>	checkCompletedExceptionally(f, ex1);
1071	>	if (testImplementationDetails) {
1072	>	assertEquals(1, ex1.getSuppressed().length);
1073	>	assertSame(ex2, ex1.getSuppressed()[0]);
1074	>	}
1075	>	assertEquals(1, a.get());
1076	>	}}
1077
1078	<	f = new CompletableFuture<Integer>();
1079	<	r = new IntegerHandler();
1080	<	g = f.handle(r);
1081	<	f.complete(one);
1082	<	checkCompletedNormally(g, two);
1083	<	}
1078	>	/**
1079	>	* handle action completes normally with function value on normal
1080	>	* completion of source
1081	>	*/
1082	>	public void testHandle_normalCompletion() {
1083	>	for (ExecutionMode m : ExecutionMode.values())
1084	>	for (boolean createIncomplete : new boolean[] { true, false })
1085	>	for (Integer v1 : new Integer[] { 1, null })
1086	>	{
1087	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1088	>	final AtomicInteger a = new AtomicInteger(0);
1089	>	if (!createIncomplete) assertTrue(f.complete(v1));
1090	>	final CompletableFuture<Integer> g = m.handle
1091	>	(f,
1092	>	(Integer result, Throwable t) -> {
1093	>	m.checkExecutionMode();
1094	>	threadAssertSame(result, v1);
1095	>	threadAssertNull(t);
1096	>	a.getAndIncrement();
1097	>	return inc(v1);
1098	>	});
1099	>	if (createIncomplete) assertTrue(f.complete(v1));
1100	>
1101	>	checkCompletedNormally(g, inc(v1));
1102	>	checkCompletedNormally(f, v1);
1103	>	assertEquals(1, a.get());
1104	>	}}
1105
1106		/**
1107	<	* runAsync completes after running Runnable
1107	>	* handle action completes normally with function value on
1108	>	* exceptional completion of source
1109		*/
1110	<	public void testRunAsync() {
1111	<	Noop r = new Noop();
1112	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1113	<	assertNull(f.join());
1114	<	assertTrue(r.ran);
1115	<	}
1110	>	public void testHandle_exceptionalCompletion() {
1111	>	for (ExecutionMode m : ExecutionMode.values())
1112	>	for (boolean createIncomplete : new boolean[] { true, false })
1113	>	for (Integer v1 : new Integer[] { 1, null })
1114	>	{
1115	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1116	>	final AtomicInteger a = new AtomicInteger(0);
1117	>	final CFException ex = new CFException();
1118	>	if (!createIncomplete) f.completeExceptionally(ex);
1119	>	final CompletableFuture<Integer> g = m.handle
1120	>	(f,
1121	>	(Integer result, Throwable t) -> {
1122	>	m.checkExecutionMode();
1123	>	threadAssertNull(result);
1124	>	threadAssertSame(t, ex);
1125	>	a.getAndIncrement();
1126	>	return v1;
1127	>	});
1128	>	if (createIncomplete) f.completeExceptionally(ex);
1129	>
1130	>	checkCompletedNormally(g, v1);
1131	>	checkCompletedExceptionally(f, ex);
1132	>	assertEquals(1, a.get());
1133	>	}}
1134	>
1135	>	/**
1136	>	* handle action completes normally with function value on
1137	>	* cancelled source
1138	>	*/
1139	>	public void testHandle_sourceCancelled() {
1140	>	for (ExecutionMode m : ExecutionMode.values())
1141	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1142	>	for (boolean createIncomplete : new boolean[] { true, false })
1143	>	for (Integer v1 : new Integer[] { 1, null })
1144	>	{
1145	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1146	>	final AtomicInteger a = new AtomicInteger(0);
1147	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1148	>	final CompletableFuture<Integer> g = m.handle
1149	>	(f,
1150	>	(Integer result, Throwable t) -> {
1151	>	m.checkExecutionMode();
1152	>	threadAssertNull(result);
1153	>	threadAssertTrue(t instanceof CancellationException);
1154	>	a.getAndIncrement();
1155	>	return v1;
1156	>	});
1157	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1158	>
1159	>	checkCompletedNormally(g, v1);
1160	>	checkCancelled(f);
1161	>	assertEquals(1, a.get());
1162	>	}}
1163
1164		/**
1165	<	* runAsync with executor completes after running Runnable
1165	>	* If a "handle action" throws an exception when triggered by
1166	>	* a normal completion, it completes exceptionally
1167		*/
1168	<	public void testRunAsync2() {
1169	<	Noop r = new Noop();
1170	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, new ThreadExecutor());
1171	<	assertNull(f.join());
1172	<	assertTrue(r.ran);
1173	<	}
1168	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1169	>	for (ExecutionMode m : ExecutionMode.values())
1170	>	for (boolean createIncomplete : new boolean[] { true, false })
1171	>	for (Integer v1 : new Integer[] { 1, null })
1172	>	{
1173	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1174	>	final AtomicInteger a = new AtomicInteger(0);
1175	>	final CFException ex = new CFException();
1176	>	if (!createIncomplete) assertTrue(f.complete(v1));
1177	>	final CompletableFuture<Integer> g = m.handle
1178	>	(f,
1179	>	(Integer result, Throwable t) -> {
1180	>	m.checkExecutionMode();
1181	>	threadAssertSame(result, v1);
1182	>	threadAssertNull(t);
1183	>	a.getAndIncrement();
1184	>	throw ex;
1185	>	});
1186	>	if (createIncomplete) assertTrue(f.complete(v1));
1187	>
1188	>	checkCompletedWithWrappedException(g, ex);
1189	>	checkCompletedNormally(f, v1);
1190	>	assertEquals(1, a.get());
1191	>	}}
1192	>
1193	>	/**
1194	>	* If a "handle action" throws an exception when triggered by
1195	>	* a source completion that also throws an exception, the action
1196	>	* exception takes precedence (unlike whenComplete)
1197	>	*/
1198	>	public void testHandle_sourceFailedActionFailed() {
1199	>	for (boolean createIncomplete : new boolean[] { true, false })
1200	>	for (ExecutionMode m : ExecutionMode.values())
1201	>	{
1202	>	final AtomicInteger a = new AtomicInteger(0);
1203	>	final CFException ex1 = new CFException();
1204	>	final CFException ex2 = new CFException();
1205	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1206	>
1207	>	if (!createIncomplete) f.completeExceptionally(ex1);
1208	>	final CompletableFuture<Integer> g = m.handle
1209	>	(f,
1210	>	(Integer result, Throwable t) -> {
1211	>	m.checkExecutionMode();
1212	>	threadAssertNull(result);
1213	>	threadAssertSame(ex1, t);
1214	>	a.getAndIncrement();
1215	>	throw ex2;
1216	>	});
1217	>	if (createIncomplete) f.completeExceptionally(ex1);
1218	>
1219	>	checkCompletedWithWrappedException(g, ex2);
1220	>	checkCompletedExceptionally(f, ex1);
1221	>	assertEquals(1, a.get());
1222	>	}}
1223
1224		/**
1225	<	* failing runAsync completes exceptionally after running Runnable
1225	>	* runAsync completes after running Runnable
1226		*/
1227	<	public void testRunAsync3() {
1228	<	FailingNoop r = new FailingNoop();
1229	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1230	<	checkCompletedWithWrappedCFException(f);
1231	<	assertTrue(r.ran);
1232	<	}
1227	>	public void testRunAsync_normalCompletion() {
1228	>	ExecutionMode[] executionModes = {
1229	>	ExecutionMode.ASYNC,
1230	>	ExecutionMode.EXECUTOR,
1231	>	};
1232	>	for (ExecutionMode m : executionModes)
1233	>	{
1234	>	final Noop r = new Noop(m);
1235	>	final CompletableFuture<Void> f = m.runAsync(r);
1236	>	assertNull(f.join());
1237	>	checkCompletedNormally(f, null);
1238	>	r.assertInvoked();
1239	>	}}
1240
1241		/**
1242	<	* supplyAsync completes with result of supplier
1242	>	* failing runAsync completes exceptionally after running Runnable
1243		*/
1244	<	public void testSupplyAsync() {
1245	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(supplyOne);
1246	<	assertEquals(f.join(), one);
1244	>	public void testRunAsync_exceptionalCompletion() {
1245	>	ExecutionMode[] executionModes = {
1246	>	ExecutionMode.ASYNC,
1247	>	ExecutionMode.EXECUTOR,
1248	>	};
1249	>	for (ExecutionMode m : executionModes)
1250	>	{
1251	>	final FailingRunnable r = new FailingRunnable(m);
1252	>	final CompletableFuture<Void> f = m.runAsync(r);
1253	>	checkCompletedWithWrappedException(f, r.ex);
1254	>	r.assertInvoked();
1255	>	}}
1256	>
1257	>	@SuppressWarnings("FutureReturnValueIgnored")
1258	>	public void testRunAsync_rejectingExecutor() {
1259	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1260	>	try {
1261	>	CompletableFuture.runAsync(() -> {}, e);
1262	>	shouldThrow();
1263	>	} catch (Throwable t) {
1264	>	assertSame(e.ex, t);
1265	>	}
1266	>
1267	>	assertEquals(1, e.count.get());
1268		}
1269
1270		/**
1271	<	* supplyAsync with executor completes with result of supplier
1271	>	* supplyAsync completes with result of supplier
1272		*/
1273	<	public void testSupplyAsync2() {
1274	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1275	<	assertEquals(f.join(), one);
1276	<	}
1273	>	public void testSupplyAsync_normalCompletion() {
1274	>	ExecutionMode[] executionModes = {
1275	>	ExecutionMode.ASYNC,
1276	>	ExecutionMode.EXECUTOR,
1277	>	};
1278	>	for (ExecutionMode m : executionModes)
1279	>	for (Integer v1 : new Integer[] { 1, null })
1280	>	{
1281	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1282	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1283	>	assertSame(v1, f.join());
1284	>	checkCompletedNormally(f, v1);
1285	>	r.assertInvoked();
1286	>	}}
1287
1288		/**
1289		* Failing supplyAsync completes exceptionally
1290		*/
1291	<	public void testSupplyAsync3() {
1292	<	FailingSupplier r = new FailingSupplier();
1293	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1294	<	checkCompletedWithWrappedCFException(f);
1295	<	assertTrue(r.ran);
1291	>	public void testSupplyAsync_exceptionalCompletion() {
1292	>	ExecutionMode[] executionModes = {
1293	>	ExecutionMode.ASYNC,
1294	>	ExecutionMode.EXECUTOR,
1295	>	};
1296	>	for (ExecutionMode m : executionModes)
1297	>	{
1298	>	FailingSupplier r = new FailingSupplier(m);
1299	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1300	>	checkCompletedWithWrappedException(f, r.ex);
1301	>	r.assertInvoked();
1302	>	}}
1303	>
1304	>	@SuppressWarnings("FutureReturnValueIgnored")
1305	>	public void testSupplyAsync_rejectingExecutor() {
1306	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1307	>	try {
1308	>	CompletableFuture.supplyAsync(() -> null, e);
1309	>	shouldThrow();
1310	>	} catch (Throwable t) {
1311	>	assertSame(e.ex, t);
1312	>	}
1313	>
1314	>	assertEquals(1, e.count.get());
1315		}
1316
1317		// seq completion methods
#	Line 455 | Line 1319 | public class CompletableFutureTest exten
1319		/**
1320		* thenRun result completes normally after normal completion of source
1321		*/
1322	<	public void testThenRun() {
1323	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1324	<	Noop r = new Noop();
1325	<	CompletableFuture<Void> g = f.thenRun(r);
1326	<	f.complete(null);
1327	<	checkCompletedNormally(g, null);
1328	<	// reordered version
1329	<	f = new CompletableFuture<Integer>();
1330	<	f.complete(null);
1331	<	r = new Noop();
1332	<	g = f.thenRun(r);
1333	<	checkCompletedNormally(g, null);
1334	<	}
1322	>	public void testThenRun_normalCompletion() {
1323	>	for (ExecutionMode m : ExecutionMode.values())
1324	>	for (Integer v1 : new Integer[] { 1, null })
1325	>	{
1326	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1327	>	final Noop[] rs = new Noop[6];
1328	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1329	>
1330	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1331	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1332	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1333	>	checkIncomplete(h0);
1334	>	checkIncomplete(h1);
1335	>	checkIncomplete(h2);
1336	>	assertTrue(f.complete(v1));
1337	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1338	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1339	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1340	>
1341	>	checkCompletedNormally(h0, null);
1342	>	checkCompletedNormally(h1, null);
1343	>	checkCompletedNormally(h2, null);
1344	>	checkCompletedNormally(h3, null);
1345	>	checkCompletedNormally(h4, null);
1346	>	checkCompletedNormally(h5, null);
1347	>	checkCompletedNormally(f, v1);
1348	>	for (Noop r : rs) r.assertInvoked();
1349	>	}}
1350
1351		/**
1352		* thenRun result completes exceptionally after exceptional
1353		* completion of source
1354		*/
1355	<	public void testThenRun2() {
1356	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1357	<	Noop r = new Noop();
1358	<	CompletableFuture<Void> g = f.thenRun(r);
1359	<	f.completeExceptionally(new CFException());
1360	<	checkCompletedWithWrappedCFException(g);
1361	<	}
1355	>	public void testThenRun_exceptionalCompletion() {
1356	>	for (ExecutionMode m : ExecutionMode.values())
1357	>	{
1358	>	final CFException ex = new CFException();
1359	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1360	>	final Noop[] rs = new Noop[6];
1361	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1362	>
1363	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1364	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1365	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1366	>	checkIncomplete(h0);
1367	>	checkIncomplete(h1);
1368	>	checkIncomplete(h2);
1369	>	assertTrue(f.completeExceptionally(ex));
1370	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1371	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1372	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1373	>
1374	>	checkCompletedWithWrappedException(h0, ex);
1375	>	checkCompletedWithWrappedException(h1, ex);
1376	>	checkCompletedWithWrappedException(h2, ex);
1377	>	checkCompletedWithWrappedException(h3, ex);
1378	>	checkCompletedWithWrappedException(h4, ex);
1379	>	checkCompletedWithWrappedException(h5, ex);
1380	>	checkCompletedExceptionally(f, ex);
1381	>	for (Noop r : rs) r.assertNotInvoked();
1382	>	}}
1383
1384		/**
1385	<	* thenRun result completes exceptionally if action does
1385	>	* thenRun result completes exceptionally if source cancelled
1386		*/
1387	<	public void testThenRun3() {
1388	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1389	<	FailingNoop r = new FailingNoop();
1390	<	CompletableFuture<Void> g = f.thenRun(r);
1391	<	f.complete(null);
1392	<	checkCompletedWithWrappedCFException(g);
1393	<	}
1387	>	public void testThenRun_sourceCancelled() {
1388	>	for (ExecutionMode m : ExecutionMode.values())
1389	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1390	>	{
1391	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1392	>	final Noop[] rs = new Noop[6];
1393	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1394	>
1395	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1396	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1397	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1398	>	checkIncomplete(h0);
1399	>	checkIncomplete(h1);
1400	>	checkIncomplete(h2);
1401	>	assertTrue(f.cancel(mayInterruptIfRunning));
1402	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1403	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1404	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1405	>
1406	>	checkCompletedWithWrappedCancellationException(h0);
1407	>	checkCompletedWithWrappedCancellationException(h1);
1408	>	checkCompletedWithWrappedCancellationException(h2);
1409	>	checkCompletedWithWrappedCancellationException(h3);
1410	>	checkCompletedWithWrappedCancellationException(h4);
1411	>	checkCompletedWithWrappedCancellationException(h5);
1412	>	checkCancelled(f);
1413	>	for (Noop r : rs) r.assertNotInvoked();
1414	>	}}
1415
1416		/**
1417	<	* thenRun result completes exceptionally if source cancelled
1417	>	* thenRun result completes exceptionally if action does
1418		*/
1419	<	public void testThenRun4() {
1420	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1421	<	Noop r = new Noop();
1422	<	CompletableFuture<Void> g = f.thenRun(r);
1423	<	assertTrue(f.cancel(true));
1424	<	checkCompletedWithWrappedCancellationException(g);
1425	<	}
1419	>	public void testThenRun_actionFailed() {
1420	>	for (ExecutionMode m : ExecutionMode.values())
1421	>	for (Integer v1 : new Integer[] { 1, null })
1422	>	{
1423	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1424	>	final FailingRunnable[] rs = new FailingRunnable[6];
1425	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1426	>
1427	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1428	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1429	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1430	>	assertTrue(f.complete(v1));
1431	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1432	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1433	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1434	>
1435	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1436	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1437	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1438	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1439	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1440	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1441	>	checkCompletedNormally(f, v1);
1442	>	}}
1443
1444		/**
1445		* thenApply result completes normally after normal completion of source
1446		*/
1447	<	public void testThenApply() {
1448	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1449	<	CompletableFuture<Integer> g = f.thenApply(inc);
1450	<	f.complete(one);
1451	<	checkCompletedNormally(g, two);
1452	<	}
1447	>	public void testThenApply_normalCompletion() {
1448	>	for (ExecutionMode m : ExecutionMode.values())
1449	>	for (Integer v1 : new Integer[] { 1, null })
1450	>	{
1451	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1452	>	final IncFunction[] rs = new IncFunction[4];
1453	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1454	>
1455	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1456	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1457	>	checkIncomplete(h0);
1458	>	checkIncomplete(h1);
1459	>	assertTrue(f.complete(v1));
1460	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1461	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1462	>
1463	>	checkCompletedNormally(h0, inc(v1));
1464	>	checkCompletedNormally(h1, inc(v1));
1465	>	checkCompletedNormally(h2, inc(v1));
1466	>	checkCompletedNormally(h3, inc(v1));
1467	>	checkCompletedNormally(f, v1);
1468	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1469	>	}}
1470
1471		/**
1472		* thenApply result completes exceptionally after exceptional
1473		* completion of source
1474		*/
1475	<	public void testThenApply2() {
1476	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1477	<	CompletableFuture<Integer> g = f.thenApply(inc);
1478	<	f.completeExceptionally(new CFException());
1479	<	checkCompletedWithWrappedCFException(g);
1480	<	}
1475	>	public void testThenApply_exceptionalCompletion() {
1476	>	for (ExecutionMode m : ExecutionMode.values())
1477	>	{
1478	>	final CFException ex = new CFException();
1479	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1480	>	final IncFunction[] rs = new IncFunction[4];
1481	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1482	>
1483	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1484	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1485	>	assertTrue(f.completeExceptionally(ex));
1486	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1487	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1488	>
1489	>	checkCompletedWithWrappedException(h0, ex);
1490	>	checkCompletedWithWrappedException(h1, ex);
1491	>	checkCompletedWithWrappedException(h2, ex);
1492	>	checkCompletedWithWrappedException(h3, ex);
1493	>	checkCompletedExceptionally(f, ex);
1494	>	for (IncFunction r : rs) r.assertNotInvoked();
1495	>	}}
1496
1497		/**
1498	<	* thenApply result completes exceptionally if action does
1498	>	* thenApply result completes exceptionally if source cancelled
1499		*/
1500	<	public void testThenApply3() {
1501	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1502	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1503	<	f.complete(one);
1504	<	checkCompletedWithWrappedCFException(g);
1505	<	}
1500	>	public void testThenApply_sourceCancelled() {
1501	>	for (ExecutionMode m : ExecutionMode.values())
1502	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1503	>	{
1504	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1505	>	final IncFunction[] rs = new IncFunction[4];
1506	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1507	>
1508	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1509	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1510	>	assertTrue(f.cancel(mayInterruptIfRunning));
1511	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1512	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1513	>
1514	>	checkCompletedWithWrappedCancellationException(h0);
1515	>	checkCompletedWithWrappedCancellationException(h1);
1516	>	checkCompletedWithWrappedCancellationException(h2);
1517	>	checkCompletedWithWrappedCancellationException(h3);
1518	>	checkCancelled(f);
1519	>	for (IncFunction r : rs) r.assertNotInvoked();
1520	>	}}
1521
1522		/**
1523	<	* thenApply result completes exceptionally if source cancelled
1523	>	* thenApply result completes exceptionally if action does
1524		*/
1525	<	public void testThenApply4() {
1526	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1527	<	CompletableFuture<Integer> g = f.thenApply(inc);
1528	<	assertTrue(f.cancel(true));
1529	<	checkCompletedWithWrappedCancellationException(g);
1530	<	}
1525	>	public void testThenApply_actionFailed() {
1526	>	for (ExecutionMode m : ExecutionMode.values())
1527	>	for (Integer v1 : new Integer[] { 1, null })
1528	>	{
1529	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1530	>	final FailingFunction[] rs = new FailingFunction[4];
1531	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1532	>
1533	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1534	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1535	>	assertTrue(f.complete(v1));
1536	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1537	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1538	>
1539	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1540	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1541	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1542	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1543	>	checkCompletedNormally(f, v1);
1544	>	}}
1545
1546		/**
1547		* thenAccept result completes normally after normal completion of source
1548		*/
1549	<	public void testThenAccept() {
1550	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1551	<	IncAction r = new IncAction();
1552	<	CompletableFuture<Void> g = f.thenAccept(r);
1553	<	f.complete(one);
1554	<	checkCompletedNormally(g, null);
1555	<	assertEquals(r.value, 2);
1556	<	}
1549	>	public void testThenAccept_normalCompletion() {
1550	>	for (ExecutionMode m : ExecutionMode.values())
1551	>	for (Integer v1 : new Integer[] { 1, null })
1552	>	{
1553	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1554	>	final NoopConsumer[] rs = new NoopConsumer[4];
1555	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1556	>
1557	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1558	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1559	>	checkIncomplete(h0);
1560	>	checkIncomplete(h1);
1561	>	assertTrue(f.complete(v1));
1562	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1563	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1564	>
1565	>	checkCompletedNormally(h0, null);
1566	>	checkCompletedNormally(h1, null);
1567	>	checkCompletedNormally(h2, null);
1568	>	checkCompletedNormally(h3, null);
1569	>	checkCompletedNormally(f, v1);
1570	>	for (NoopConsumer r : rs) r.assertValue(v1);
1571	>	}}
1572
1573		/**
1574		* thenAccept result completes exceptionally after exceptional
1575		* completion of source
1576		*/
1577	<	public void testThenAccept2() {
1578	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1579	<	IncAction r = new IncAction();
1580	<	CompletableFuture<Void> g = f.thenAccept(r);
1581	<	f.completeExceptionally(new CFException());
1582	<	checkCompletedWithWrappedCFException(g);
1583	<	}
1584	<
1585	<	/**
1586	<	* thenAccept result completes exceptionally if action does
1587	<	*/
1588	<	public void testThenAccept3() {
1589	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1590	<	FailingConsumer r = new FailingConsumer();
1591	<	CompletableFuture<Void> g = f.thenAccept(r);
1592	<	f.complete(one);
1593	<	checkCompletedWithWrappedCFException(g);
1594	<	assertTrue(r.ran);
1595	<	}
1577	>	public void testThenAccept_exceptionalCompletion() {
1578	>	for (ExecutionMode m : ExecutionMode.values())
1579	>	{
1580	>	final CFException ex = new CFException();
1581	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1582	>	final NoopConsumer[] rs = new NoopConsumer[4];
1583	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1584	>
1585	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1586	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1587	>	assertTrue(f.completeExceptionally(ex));
1588	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1589	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1590	>
1591	>	checkCompletedWithWrappedException(h0, ex);
1592	>	checkCompletedWithWrappedException(h1, ex);
1593	>	checkCompletedWithWrappedException(h2, ex);
1594	>	checkCompletedWithWrappedException(h3, ex);
1595	>	checkCompletedExceptionally(f, ex);
1596	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1597	>	}}
1598
1599		/**
1600		* thenAccept result completes exceptionally if source cancelled
1601		*/
1602	<	public void testThenAccept4() {
1603	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1604	<	IncAction r = new IncAction();
1605	<	CompletableFuture<Void> g = f.thenAccept(r);
1606	<	assertTrue(f.cancel(true));
1607	<	checkCompletedWithWrappedCancellationException(g);
1608	<	}
1609	<
1602	>	public void testThenAccept_sourceCancelled() {
1603	>	for (ExecutionMode m : ExecutionMode.values())
1604	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1605	>	{
1606	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1607	>	final NoopConsumer[] rs = new NoopConsumer[4];
1608	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1609	>
1610	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1611	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1612	>	assertTrue(f.cancel(mayInterruptIfRunning));
1613	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1614	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1615	>
1616	>	checkCompletedWithWrappedCancellationException(h0);
1617	>	checkCompletedWithWrappedCancellationException(h1);
1618	>	checkCompletedWithWrappedCancellationException(h2);
1619	>	checkCompletedWithWrappedCancellationException(h3);
1620	>	checkCancelled(f);
1621	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1622	>	}}
1623
1624		/**
1625	<	* thenCombine result completes normally after normal completion of sources
1625	>	* thenAccept result completes exceptionally if action does
1626		*/
1627	<	public void testThenCombine() {
1628	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1629	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1630	<	CompletableFuture<Integer> g = f.thenCombine(f2, add);
1631	<	f.complete(one);
1632	<	checkIncomplete(g);
1633	<	f2.complete(two);
1634	<	checkCompletedNormally(g, three);
1635	<
1636	<	f = new CompletableFuture<Integer>();
1637	<	f.complete(one);
1638	<	f2 = new CompletableFuture<Integer>();
1639	<	g = f.thenCombine(f2, add);
1640	<	checkIncomplete(g);
1641	<	f2.complete(two);
1642	<	checkCompletedNormally(g, three);
1643	<	}
1627	>	public void testThenAccept_actionFailed() {
1628	>	for (ExecutionMode m : ExecutionMode.values())
1629	>	for (Integer v1 : new Integer[] { 1, null })
1630	>	{
1631	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1632	>	final FailingConsumer[] rs = new FailingConsumer[4];
1633	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1634	>
1635	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1636	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1637	>	assertTrue(f.complete(v1));
1638	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1639	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1640	>
1641	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1642	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1643	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1644	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1645	>	checkCompletedNormally(f, v1);
1646	>	}}
1647	>
1648	>	/**
1649	>	* thenCombine result completes normally after normal completion
1650	>	* of sources
1651	>	*/
1652	>	public void testThenCombine_normalCompletion() {
1653	>	for (ExecutionMode m : ExecutionMode.values())
1654	>	for (boolean fFirst : new boolean[] { true, false })
1655	>	for (Integer v1 : new Integer[] { 1, null })
1656	>	for (Integer v2 : new Integer[] { 2, null })
1657	>	{
1658	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1659	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1660	>	final SubtractFunction[] rs = new SubtractFunction[6];
1661	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1662	>
1663	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1664	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1665	>	final Integer w1 =  fFirst ? v1 : v2;
1666	>	final Integer w2 = !fFirst ? v1 : v2;
1667	>
1668	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1669	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1670	>	assertTrue(fst.complete(w1));
1671	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1672	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1673	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1674	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1675	>	checkCompletedNormally(h1, subtract(w1, w1));
1676	>	checkCompletedNormally(h3, subtract(w1, w1));
1677	>	rs[1].assertValue(subtract(w1, w1));
1678	>	rs[3].assertValue(subtract(w1, w1));
1679	>	assertTrue(snd.complete(w2));
1680	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1681	>
1682	>	checkCompletedNormally(h0, subtract(v1, v2));
1683	>	checkCompletedNormally(h2, subtract(v1, v2));
1684	>	checkCompletedNormally(h4, subtract(v1, v2));
1685	>	rs[0].assertValue(subtract(v1, v2));
1686	>	rs[2].assertValue(subtract(v1, v2));
1687	>	rs[4].assertValue(subtract(v1, v2));
1688	>
1689	>	checkCompletedNormally(f, v1);
1690	>	checkCompletedNormally(g, v2);
1691	>	}}
1692
1693		/**
1694		* thenCombine result completes exceptionally after exceptional
1695		* completion of either source
1696		*/
1697	<	public void testThenCombine2() {
1698	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1699	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1700	<	CompletableFuture<Integer> g = f.thenCombine(f2, add);
1701	<	f.completeExceptionally(new CFException());
1702	<	f2.complete(two);
1703	<	checkCompletedWithWrappedCFException(g);
1704	<
1705	<	f = new CompletableFuture<Integer>();
1706	<	f.complete(one);
1707	<	f2 = new CompletableFuture<Integer>();
1708	<	g = f.thenCombine(f2, add);
1709	<	f2.completeExceptionally(new CFException());
1710	<	checkCompletedWithWrappedCFException(g);
1711	<	}
1697	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1698	>	for (ExecutionMode m : ExecutionMode.values())
1699	>	for (boolean fFirst : new boolean[] { true, false })
1700	>	for (boolean failFirst : new boolean[] { true, false })
1701	>	for (Integer v1 : new Integer[] { 1, null })
1702	>	{
1703	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1704	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1705	>	final CFException ex = new CFException();
1706	>	final SubtractFunction r1 = new SubtractFunction(m);
1707	>	final SubtractFunction r2 = new SubtractFunction(m);
1708	>	final SubtractFunction r3 = new SubtractFunction(m);
1709	>
1710	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1711	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1712	>	final Callable<Boolean> complete1 = failFirst ?
1713	>	() -> fst.completeExceptionally(ex) :
1714	>	() -> fst.complete(v1);
1715	>	final Callable<Boolean> complete2 = failFirst ?
1716	>	() -> snd.complete(v1) :
1717	>	() -> snd.completeExceptionally(ex);
1718	>
1719	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1720	>	assertTrue(complete1.call());
1721	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1722	>	checkIncomplete(h1);
1723	>	checkIncomplete(h2);
1724	>	assertTrue(complete2.call());
1725	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1726	>
1727	>	checkCompletedWithWrappedException(h1, ex);
1728	>	checkCompletedWithWrappedException(h2, ex);
1729	>	checkCompletedWithWrappedException(h3, ex);
1730	>	r1.assertNotInvoked();
1731	>	r2.assertNotInvoked();
1732	>	r3.assertNotInvoked();
1733	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1734	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1735	>	}}
1736
1737		/**
1738	<	* thenCombine result completes exceptionally if action does
1738	>	* thenCombine result completes exceptionally if either source cancelled
1739		*/
1740	<	public void testThenCombine3() {
1741	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1742	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1743	<	FailingBiFunction r = new FailingBiFunction();
1744	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
1745	<	f.complete(one);
1746	<	checkIncomplete(g);
1747	<	f2.complete(two);
1748	<	checkCompletedWithWrappedCFException(g);
1749	<	}
1740	>	public void testThenCombine_sourceCancelled() throws Throwable {
1741	>	for (ExecutionMode m : ExecutionMode.values())
1742	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1743	>	for (boolean fFirst : new boolean[] { true, false })
1744	>	for (boolean failFirst : new boolean[] { true, false })
1745	>	for (Integer v1 : new Integer[] { 1, null })
1746	>	{
1747	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1748	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1749	>	final SubtractFunction r1 = new SubtractFunction(m);
1750	>	final SubtractFunction r2 = new SubtractFunction(m);
1751	>	final SubtractFunction r3 = new SubtractFunction(m);
1752	>
1753	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1754	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1755	>	final Callable<Boolean> complete1 = failFirst ?
1756	>	() -> fst.cancel(mayInterruptIfRunning) :
1757	>	() -> fst.complete(v1);
1758	>	final Callable<Boolean> complete2 = failFirst ?
1759	>	() -> snd.complete(v1) :
1760	>	() -> snd.cancel(mayInterruptIfRunning);
1761	>
1762	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1763	>	assertTrue(complete1.call());
1764	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1765	>	checkIncomplete(h1);
1766	>	checkIncomplete(h2);
1767	>	assertTrue(complete2.call());
1768	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1769	>
1770	>	checkCompletedWithWrappedCancellationException(h1);
1771	>	checkCompletedWithWrappedCancellationException(h2);
1772	>	checkCompletedWithWrappedCancellationException(h3);
1773	>	r1.assertNotInvoked();
1774	>	r2.assertNotInvoked();
1775	>	r3.assertNotInvoked();
1776	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1777	>	checkCancelled(failFirst ? fst : snd);
1778	>	}}
1779
1780		/**
1781	<	* thenCombine result completes exceptionally if either source cancelled
1781	>	* thenCombine result completes exceptionally if action does
1782		*/
1783	<	public void testThenCombine4() {
1784	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1785	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1786	<	CompletableFuture<Integer> g = f.thenCombine(f2, add);
1787	<	assertTrue(f.cancel(true));
1788	<	f2.complete(two);
1789	<	checkCompletedWithWrappedCancellationException(g);
1790	<	f = new CompletableFuture<Integer>();
1791	<	f2 = new CompletableFuture<Integer>();
1792	<	g = f.thenCombine(f2, add);
1793	<	f.complete(one);
1794	<	assertTrue(f2.cancel(true));
1795	<	checkCompletedWithWrappedCancellationException(g);
1796	<	}
1783	>	public void testThenCombine_actionFailed() {
1784	>	for (ExecutionMode m : ExecutionMode.values())
1785	>	for (boolean fFirst : new boolean[] { true, false })
1786	>	for (Integer v1 : new Integer[] { 1, null })
1787	>	for (Integer v2 : new Integer[] { 2, null })
1788	>	{
1789	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1790	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1791	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1792	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1793	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1794	>
1795	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1796	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1797	>	final Integer w1 =  fFirst ? v1 : v2;
1798	>	final Integer w2 = !fFirst ? v1 : v2;
1799	>
1800	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1801	>	assertTrue(fst.complete(w1));
1802	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1803	>	assertTrue(snd.complete(w2));
1804	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1805	>
1806	>	checkCompletedWithWrappedException(h1, r1.ex);
1807	>	checkCompletedWithWrappedException(h2, r2.ex);
1808	>	checkCompletedWithWrappedException(h3, r3.ex);
1809	>	r1.assertInvoked();
1810	>	r2.assertInvoked();
1811	>	r3.assertInvoked();
1812	>	checkCompletedNormally(f, v1);
1813	>	checkCompletedNormally(g, v2);
1814	>	}}
1815
1816		/**
1817		* thenAcceptBoth result completes normally after normal
1818		* completion of sources
1819		*/
1820	<	public void testThenAcceptBoth() {
1821	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1822	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1823	<	AddAction r = new AddAction();
1824	<	CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1825	<	f.complete(one);
1826	<	checkIncomplete(g);
1827	<	f2.complete(two);
1828	<	checkCompletedNormally(g, null);
1829	<	assertEquals(r.value, 3);
1830	<
1831	<	r = new AddAction();
1832	<	f = new CompletableFuture<Integer>();
1833	<	f.complete(one);
1834	<	f2 = new CompletableFuture<Integer>();
1835	<	g = f.thenAcceptBoth(f2, r);
1836	<	checkIncomplete(g);
1837	<	f2.complete(two);
1838	<	checkCompletedNormally(g, null);
1839	<	assertEquals(r.value, 3);
1840	<	}
1820	>	public void testThenAcceptBoth_normalCompletion() {
1821	>	for (ExecutionMode m : ExecutionMode.values())
1822	>	for (boolean fFirst : new boolean[] { true, false })
1823	>	for (Integer v1 : new Integer[] { 1, null })
1824	>	for (Integer v2 : new Integer[] { 2, null })
1825	>	{
1826	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1827	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1828	>	final SubtractAction r1 = new SubtractAction(m);
1829	>	final SubtractAction r2 = new SubtractAction(m);
1830	>	final SubtractAction r3 = new SubtractAction(m);
1831	>
1832	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1833	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1834	>	final Integer w1 =  fFirst ? v1 : v2;
1835	>	final Integer w2 = !fFirst ? v1 : v2;
1836	>
1837	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1838	>	assertTrue(fst.complete(w1));
1839	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1840	>	checkIncomplete(h1);
1841	>	checkIncomplete(h2);
1842	>	r1.assertNotInvoked();
1843	>	r2.assertNotInvoked();
1844	>	assertTrue(snd.complete(w2));
1845	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1846	>
1847	>	checkCompletedNormally(h1, null);
1848	>	checkCompletedNormally(h2, null);
1849	>	checkCompletedNormally(h3, null);
1850	>	r1.assertValue(subtract(v1, v2));
1851	>	r2.assertValue(subtract(v1, v2));
1852	>	r3.assertValue(subtract(v1, v2));
1853	>	checkCompletedNormally(f, v1);
1854	>	checkCompletedNormally(g, v2);
1855	>	}}
1856
1857		/**
1858		* thenAcceptBoth result completes exceptionally after exceptional
1859		* completion of either source
1860		*/
1861	<	public void testThenAcceptBoth2() {
1862	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1863	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1864	<	AddAction r = new AddAction();
1865	<	CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1866	<	f.completeExceptionally(new CFException());
1867	<	f2.complete(two);
1868	<	checkCompletedWithWrappedCFException(g);
1869	<
1870	<	r = new AddAction();
1871	<	f = new CompletableFuture<Integer>();
1872	<	f.complete(one);
1873	<	f2 = new CompletableFuture<Integer>();
1874	<	g = f.thenAcceptBoth(f2, r);
1875	<	f2.completeExceptionally(new CFException());
1876	<	checkCompletedWithWrappedCFException(g);
1877	<	}
1861	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1862	>	for (ExecutionMode m : ExecutionMode.values())
1863	>	for (boolean fFirst : new boolean[] { true, false })
1864	>	for (boolean failFirst : new boolean[] { true, false })
1865	>	for (Integer v1 : new Integer[] { 1, null })
1866	>	{
1867	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1868	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1869	>	final CFException ex = new CFException();
1870	>	final SubtractAction r1 = new SubtractAction(m);
1871	>	final SubtractAction r2 = new SubtractAction(m);
1872	>	final SubtractAction r3 = new SubtractAction(m);
1873	>
1874	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1875	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1876	>	final Callable<Boolean> complete1 = failFirst ?
1877	>	() -> fst.completeExceptionally(ex) :
1878	>	() -> fst.complete(v1);
1879	>	final Callable<Boolean> complete2 = failFirst ?
1880	>	() -> snd.complete(v1) :
1881	>	() -> snd.completeExceptionally(ex);
1882	>
1883	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1884	>	assertTrue(complete1.call());
1885	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1886	>	checkIncomplete(h1);
1887	>	checkIncomplete(h2);
1888	>	assertTrue(complete2.call());
1889	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1890	>
1891	>	checkCompletedWithWrappedException(h1, ex);
1892	>	checkCompletedWithWrappedException(h2, ex);
1893	>	checkCompletedWithWrappedException(h3, ex);
1894	>	r1.assertNotInvoked();
1895	>	r2.assertNotInvoked();
1896	>	r3.assertNotInvoked();
1897	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1898	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1899	>	}}
1900
1901		/**
1902	<	* thenAcceptBoth result completes exceptionally if action does
1902	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1903		*/
1904	<	public void testThenAcceptBoth3() {
1905	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1906	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1907	<	FailingBiConsumer r = new FailingBiConsumer();
1908	<	CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1909	<	f.complete(one);
1910	<	checkIncomplete(g);
1911	<	f2.complete(two);
1912	<	checkCompletedWithWrappedCFException(g);
1913	<	}
1904	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1905	>	for (ExecutionMode m : ExecutionMode.values())
1906	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1907	>	for (boolean fFirst : new boolean[] { true, false })
1908	>	for (boolean failFirst : new boolean[] { true, false })
1909	>	for (Integer v1 : new Integer[] { 1, null })
1910	>	{
1911	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1912	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1913	>	final SubtractAction r1 = new SubtractAction(m);
1914	>	final SubtractAction r2 = new SubtractAction(m);
1915	>	final SubtractAction r3 = new SubtractAction(m);
1916	>
1917	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1918	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1919	>	final Callable<Boolean> complete1 = failFirst ?
1920	>	() -> fst.cancel(mayInterruptIfRunning) :
1921	>	() -> fst.complete(v1);
1922	>	final Callable<Boolean> complete2 = failFirst ?
1923	>	() -> snd.complete(v1) :
1924	>	() -> snd.cancel(mayInterruptIfRunning);
1925	>
1926	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1927	>	assertTrue(complete1.call());
1928	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1929	>	checkIncomplete(h1);
1930	>	checkIncomplete(h2);
1931	>	assertTrue(complete2.call());
1932	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1933	>
1934	>	checkCompletedWithWrappedCancellationException(h1);
1935	>	checkCompletedWithWrappedCancellationException(h2);
1936	>	checkCompletedWithWrappedCancellationException(h3);
1937	>	r1.assertNotInvoked();
1938	>	r2.assertNotInvoked();
1939	>	r3.assertNotInvoked();
1940	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1941	>	checkCancelled(failFirst ? fst : snd);
1942	>	}}
1943
1944		/**
1945	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1945	>	* thenAcceptBoth result completes exceptionally if action does
1946		*/
1947	<	public void testThenAcceptBoth4() {
1948	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1949	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1950	<	AddAction r = new AddAction();
1951	<	CompletableFuture<Void> g = f.thenAcceptBoth(f2, r);
1952	<	assertTrue(f.cancel(true));
1953	<	f2.complete(two);
1954	<	checkCompletedWithWrappedCancellationException(g);
1955	<	f = new CompletableFuture<Integer>();
1956	<	f2 = new CompletableFuture<Integer>();
1957	<	r = new AddAction();
1958	<	g = f.thenAcceptBoth(f2, r);
1959	<	f.complete(one);
1960	<	assertTrue(f2.cancel(true));
1961	<	checkCompletedWithWrappedCancellationException(g);
1962	<	}
1947	>	public void testThenAcceptBoth_actionFailed() {
1948	>	for (ExecutionMode m : ExecutionMode.values())
1949	>	for (boolean fFirst : new boolean[] { true, false })
1950	>	for (Integer v1 : new Integer[] { 1, null })
1951	>	for (Integer v2 : new Integer[] { 2, null })
1952	>	{
1953	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1954	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1955	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1956	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1957	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1958	>
1959	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1960	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1961	>	final Integer w1 =  fFirst ? v1 : v2;
1962	>	final Integer w2 = !fFirst ? v1 : v2;
1963	>
1964	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1965	>	assertTrue(fst.complete(w1));
1966	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1967	>	assertTrue(snd.complete(w2));
1968	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1969	>
1970	>	checkCompletedWithWrappedException(h1, r1.ex);
1971	>	checkCompletedWithWrappedException(h2, r2.ex);
1972	>	checkCompletedWithWrappedException(h3, r3.ex);
1973	>	r1.assertInvoked();
1974	>	r2.assertInvoked();
1975	>	r3.assertInvoked();
1976	>	checkCompletedNormally(f, v1);
1977	>	checkCompletedNormally(g, v2);
1978	>	}}
1979
1980		/**
1981		* runAfterBoth result completes normally after normal
1982		* completion of sources
1983		*/
1984	<	public void testRunAfterBoth() {
1985	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1986	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1987	<	Noop r = new Noop();
1988	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1989	<	f.complete(one);
1990	<	checkIncomplete(g);
1991	<	f2.complete(two);
1992	<	checkCompletedNormally(g, null);
1993	<	assertTrue(r.ran);
1994	<
1995	<	r = new Noop();
1996	<	f = new CompletableFuture<Integer>();
1997	<	f.complete(one);
1998	<	f2 = new CompletableFuture<Integer>();
1999	<	g = f.runAfterBoth(f2, r);
2000	<	checkIncomplete(g);
2001	<	f2.complete(two);
2002	<	checkCompletedNormally(g, null);
2003	<	assertTrue(r.ran);
2004	<	}
1984	>	public void testRunAfterBoth_normalCompletion() {
1985	>	for (ExecutionMode m : ExecutionMode.values())
1986	>	for (boolean fFirst : new boolean[] { true, false })
1987	>	for (Integer v1 : new Integer[] { 1, null })
1988	>	for (Integer v2 : new Integer[] { 2, null })
1989	>	{
1990	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1991	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1992	>	final Noop r1 = new Noop(m);
1993	>	final Noop r2 = new Noop(m);
1994	>	final Noop r3 = new Noop(m);
1995	>
1996	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1997	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1998	>	final Integer w1 =  fFirst ? v1 : v2;
1999	>	final Integer w2 = !fFirst ? v1 : v2;
2000	>
2001	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2002	>	assertTrue(fst.complete(w1));
2003	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2004	>	checkIncomplete(h1);
2005	>	checkIncomplete(h2);
2006	>	r1.assertNotInvoked();
2007	>	r2.assertNotInvoked();
2008	>	assertTrue(snd.complete(w2));
2009	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2010	>
2011	>	checkCompletedNormally(h1, null);
2012	>	checkCompletedNormally(h2, null);
2013	>	checkCompletedNormally(h3, null);
2014	>	r1.assertInvoked();
2015	>	r2.assertInvoked();
2016	>	r3.assertInvoked();
2017	>	checkCompletedNormally(f, v1);
2018	>	checkCompletedNormally(g, v2);
2019	>	}}
2020
2021		/**
2022		* runAfterBoth result completes exceptionally after exceptional
2023		* completion of either source
2024		*/
2025	<	public void testRunAfterBoth2() {
2026	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2027	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2028	<	Noop r = new Noop();
2029	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2030	<	f.completeExceptionally(new CFException());
2031	<	f2.complete(two);
2032	<	checkCompletedWithWrappedCFException(g);
2033	<
2034	<	r = new Noop();
2035	<	f = new CompletableFuture<Integer>();
2036	<	f.complete(one);
2037	<	f2 = new CompletableFuture<Integer>();
2038	<	g = f.runAfterBoth(f2, r);
2039	<	f2.completeExceptionally(new CFException());
2040	<	checkCompletedWithWrappedCFException(g);
2041	<	}
2025	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2026	>	for (ExecutionMode m : ExecutionMode.values())
2027	>	for (boolean fFirst : new boolean[] { true, false })
2028	>	for (boolean failFirst : new boolean[] { true, false })
2029	>	for (Integer v1 : new Integer[] { 1, null })
2030	>	{
2031	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2032	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2033	>	final CFException ex = new CFException();
2034	>	final Noop r1 = new Noop(m);
2035	>	final Noop r2 = new Noop(m);
2036	>	final Noop r3 = new Noop(m);
2037	>
2038	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2039	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2040	>	final Callable<Boolean> complete1 = failFirst ?
2041	>	() -> fst.completeExceptionally(ex) :
2042	>	() -> fst.complete(v1);
2043	>	final Callable<Boolean> complete2 = failFirst ?
2044	>	() -> snd.complete(v1) :
2045	>	() -> snd.completeExceptionally(ex);
2046	>
2047	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2048	>	assertTrue(complete1.call());
2049	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2050	>	checkIncomplete(h1);
2051	>	checkIncomplete(h2);
2052	>	assertTrue(complete2.call());
2053	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2054	>
2055	>	checkCompletedWithWrappedException(h1, ex);
2056	>	checkCompletedWithWrappedException(h2, ex);
2057	>	checkCompletedWithWrappedException(h3, ex);
2058	>	r1.assertNotInvoked();
2059	>	r2.assertNotInvoked();
2060	>	r3.assertNotInvoked();
2061	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2062	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2063	>	}}
2064
2065		/**
2066	<	* runAfterBoth result completes exceptionally if action does
2066	>	* runAfterBoth result completes exceptionally if either source cancelled
2067		*/
2068	<	public void testRunAfterBoth3() {
2069	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2070	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2071	<	FailingNoop r = new FailingNoop();
2072	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2073	<	f.complete(one);
2074	<	checkIncomplete(g);
2075	<	f2.complete(two);
2076	<	checkCompletedWithWrappedCFException(g);
2077	<	}
2068	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2069	>	for (ExecutionMode m : ExecutionMode.values())
2070	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2071	>	for (boolean fFirst : new boolean[] { true, false })
2072	>	for (boolean failFirst : new boolean[] { true, false })
2073	>	for (Integer v1 : new Integer[] { 1, null })
2074	>	{
2075	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2076	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2077	>	final Noop r1 = new Noop(m);
2078	>	final Noop r2 = new Noop(m);
2079	>	final Noop r3 = new Noop(m);
2080	>
2081	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2082	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2083	>	final Callable<Boolean> complete1 = failFirst ?
2084	>	() -> fst.cancel(mayInterruptIfRunning) :
2085	>	() -> fst.complete(v1);
2086	>	final Callable<Boolean> complete2 = failFirst ?
2087	>	() -> snd.complete(v1) :
2088	>	() -> snd.cancel(mayInterruptIfRunning);
2089	>
2090	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2091	>	assertTrue(complete1.call());
2092	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2093	>	checkIncomplete(h1);
2094	>	checkIncomplete(h2);
2095	>	assertTrue(complete2.call());
2096	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2097	>
2098	>	checkCompletedWithWrappedCancellationException(h1);
2099	>	checkCompletedWithWrappedCancellationException(h2);
2100	>	checkCompletedWithWrappedCancellationException(h3);
2101	>	r1.assertNotInvoked();
2102	>	r2.assertNotInvoked();
2103	>	r3.assertNotInvoked();
2104	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2105	>	checkCancelled(failFirst ? fst : snd);
2106	>	}}
2107
2108		/**
2109	<	* runAfterBoth result completes exceptionally if either source cancelled
2109	>	* runAfterBoth result completes exceptionally if action does
2110		*/
2111	<	public void testRunAfterBoth4() {
2112	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2113	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2114	<	Noop r = new Noop();
2115	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2116	<	assertTrue(f.cancel(true));
2117	<	f2.complete(two);
2118	<	checkCompletedWithWrappedCancellationException(g);
2119	<	f = new CompletableFuture<Integer>();
2120	<	f2 = new CompletableFuture<Integer>();
2121	<	r = new Noop();
2122	<	g = f.runAfterBoth(f2, r);
2123	<	f.complete(one);
2124	<	assertTrue(f2.cancel(true));
2125	<	checkCompletedWithWrappedCancellationException(g);
2126	<	}
2111	>	public void testRunAfterBoth_actionFailed() {
2112	>	for (ExecutionMode m : ExecutionMode.values())
2113	>	for (boolean fFirst : new boolean[] { true, false })
2114	>	for (Integer v1 : new Integer[] { 1, null })
2115	>	for (Integer v2 : new Integer[] { 2, null })
2116	>	{
2117	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2118	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2119	>	final FailingRunnable r1 = new FailingRunnable(m);
2120	>	final FailingRunnable r2 = new FailingRunnable(m);
2121	>	final FailingRunnable r3 = new FailingRunnable(m);
2122	>
2123	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2124	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2125	>	final Integer w1 =  fFirst ? v1 : v2;
2126	>	final Integer w2 = !fFirst ? v1 : v2;
2127	>
2128	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2129	>	assertTrue(fst.complete(w1));
2130	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2131	>	assertTrue(snd.complete(w2));
2132	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2133	>
2134	>	checkCompletedWithWrappedException(h1, r1.ex);
2135	>	checkCompletedWithWrappedException(h2, r2.ex);
2136	>	checkCompletedWithWrappedException(h3, r3.ex);
2137	>	r1.assertInvoked();
2138	>	r2.assertInvoked();
2139	>	r3.assertInvoked();
2140	>	checkCompletedNormally(f, v1);
2141	>	checkCompletedNormally(g, v2);
2142	>	}}
2143
2144		/**
2145		* applyToEither result completes normally after normal completion
2146		* of either source
2147		*/
2148	<	public void testApplyToEither() {
2149	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2150	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2151	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2152	<	f.complete(one);
2153	<	checkCompletedNormally(g, two);
2154	<	f2.complete(one);
2155	<	checkCompletedNormally(g, two);
2156	<
2157	<	f = new CompletableFuture<Integer>();
2158	<	f.complete(one);
2159	<	f2 = new CompletableFuture<Integer>();
2160	<	g = f.applyToEither(f2, inc);
2161	<	checkCompletedNormally(g, two);
2162	<	}
2148	>	public void testApplyToEither_normalCompletion() {
2149	>	for (ExecutionMode m : ExecutionMode.values())
2150	>	for (Integer v1 : new Integer[] { 1, null })
2151	>	for (Integer v2 : new Integer[] { 2, null })
2152	>	{
2153	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2154	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2155	>	final IncFunction[] rs = new IncFunction[6];
2156	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2157	>
2158	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2159	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2160	>	checkIncomplete(h0);
2161	>	checkIncomplete(h1);
2162	>	rs[0].assertNotInvoked();
2163	>	rs[1].assertNotInvoked();
2164	>	f.complete(v1);
2165	>	checkCompletedNormally(h0, inc(v1));
2166	>	checkCompletedNormally(h1, inc(v1));
2167	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2168	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2169	>	checkCompletedNormally(h2, inc(v1));
2170	>	checkCompletedNormally(h3, inc(v1));
2171	>	g.complete(v2);
2172	>
2173	>	// unspecified behavior - both source completions available
2174	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2175	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2176	>	rs[4].assertValue(h4.join());
2177	>	rs[5].assertValue(h5.join());
2178	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2179	>	Objects.equals(inc(v2), h4.join()));
2180	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2181	>	Objects.equals(inc(v2), h5.join()));
2182	>
2183	>	checkCompletedNormally(f, v1);
2184	>	checkCompletedNormally(g, v2);
2185	>	checkCompletedNormally(h0, inc(v1));
2186	>	checkCompletedNormally(h1, inc(v1));
2187	>	checkCompletedNormally(h2, inc(v1));
2188	>	checkCompletedNormally(h3, inc(v1));
2189	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2190	>	}}
2191
2192		/**
2193		* applyToEither result completes exceptionally after exceptional
2194		* completion of either source
2195		*/
2196	<	public void testApplyToEither2() {
2197	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2198	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2199	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2200	<	f.completeExceptionally(new CFException());
2201	<	f2.complete(one);
2202	<	checkCompletedWithWrappedCFException(g);
2196	>	public void testApplyToEither_exceptionalCompletion() {
2197	>	for (ExecutionMode m : ExecutionMode.values())
2198	>	for (Integer v1 : new Integer[] { 1, null })
2199	>	{
2200	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2201	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2202	>	final CFException ex = new CFException();
2203	>	final IncFunction[] rs = new IncFunction[6];
2204	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2205	>
2206	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2207	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2208	>	checkIncomplete(h0);
2209	>	checkIncomplete(h1);
2210	>	rs[0].assertNotInvoked();
2211	>	rs[1].assertNotInvoked();
2212	>	f.completeExceptionally(ex);
2213	>	checkCompletedWithWrappedException(h0, ex);
2214	>	checkCompletedWithWrappedException(h1, ex);
2215	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2216	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2217	>	checkCompletedWithWrappedException(h2, ex);
2218	>	checkCompletedWithWrappedException(h3, ex);
2219	>	g.complete(v1);
2220	>
2221	>	// unspecified behavior - both source completions available
2222	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2223	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2224	>	try {
2225	>	assertEquals(inc(v1), h4.join());
2226	>	rs[4].assertValue(inc(v1));
2227	>	} catch (CompletionException ok) {
2228	>	checkCompletedWithWrappedException(h4, ex);
2229	>	rs[4].assertNotInvoked();
2230	>	}
2231	>	try {
2232	>	assertEquals(inc(v1), h5.join());
2233	>	rs[5].assertValue(inc(v1));
2234	>	} catch (CompletionException ok) {
2235	>	checkCompletedWithWrappedException(h5, ex);
2236	>	rs[5].assertNotInvoked();
2237	>	}
2238
2239	<	f = new CompletableFuture<Integer>();
2240	<	f2 = new CompletableFuture<Integer>();
2241	<	f2.completeExceptionally(new CFException());
2242	<	g = f.applyToEither(f2, inc);
2243	<	checkCompletedWithWrappedCFException(g);
2244	<	}
2239	>	checkCompletedExceptionally(f, ex);
2240	>	checkCompletedNormally(g, v1);
2241	>	checkCompletedWithWrappedException(h0, ex);
2242	>	checkCompletedWithWrappedException(h1, ex);
2243	>	checkCompletedWithWrappedException(h2, ex);
2244	>	checkCompletedWithWrappedException(h3, ex);
2245	>	checkCompletedWithWrappedException(h4, ex);
2246	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2247	>	}}
2248	>
2249	>	public void testApplyToEither_exceptionalCompletion2() {
2250	>	for (ExecutionMode m : ExecutionMode.values())
2251	>	for (boolean fFirst : new boolean[] { true, false })
2252	>	for (Integer v1 : new Integer[] { 1, null })
2253	>	{
2254	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2255	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2256	>	final CFException ex = new CFException();
2257	>	final IncFunction[] rs = new IncFunction[6];
2258	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2259	>
2260	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2261	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2262	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2263	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2264	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2265	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2266
2267	<	/**
2268	<	* applyToEither result completes exceptionally if action does
2269	<	*/
2270	<	public void testApplyToEither3() {
2271	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2272	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2273	<	FailingFunction r = new FailingFunction();
2274	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
2275	<	f2.complete(two);
2276	<	checkCompletedWithWrappedCFException(g);
2277	<	}
2267	>	// unspecified behavior - both source completions available
2268	>	try {
2269	>	assertEquals(inc(v1), h0.join());
2270	>	rs[0].assertValue(inc(v1));
2271	>	} catch (CompletionException ok) {
2272	>	checkCompletedWithWrappedException(h0, ex);
2273	>	rs[0].assertNotInvoked();
2274	>	}
2275	>	try {
2276	>	assertEquals(inc(v1), h1.join());
2277	>	rs[1].assertValue(inc(v1));
2278	>	} catch (CompletionException ok) {
2279	>	checkCompletedWithWrappedException(h1, ex);
2280	>	rs[1].assertNotInvoked();
2281	>	}
2282	>	try {
2283	>	assertEquals(inc(v1), h2.join());
2284	>	rs[2].assertValue(inc(v1));
2285	>	} catch (CompletionException ok) {
2286	>	checkCompletedWithWrappedException(h2, ex);
2287	>	rs[2].assertNotInvoked();
2288	>	}
2289	>	try {
2290	>	assertEquals(inc(v1), h3.join());
2291	>	rs[3].assertValue(inc(v1));
2292	>	} catch (CompletionException ok) {
2293	>	checkCompletedWithWrappedException(h3, ex);
2294	>	rs[3].assertNotInvoked();
2295	>	}
2296
2297	<	/**
2298	<	* applyToEither result completes exceptionally if either source cancelled
2299	<	*/
886	<	public void testApplyToEither4() {
887	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
888	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
889	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
890	<	assertTrue(f.cancel(true));
891	<	checkCompletedWithWrappedCancellationException(g);
892	<	f = new CompletableFuture<Integer>();
893	<	f2 = new CompletableFuture<Integer>();
894	<	assertTrue(f2.cancel(true));
895	<	checkCompletedWithWrappedCancellationException(g);
896	<	}
2297	>	checkCompletedNormally(f, v1);
2298	>	checkCompletedExceptionally(g, ex);
2299	>	}}
2300
2301		/**
2302	<	* acceptEither result completes normally after normal completion
900	<	* of either source
2302	>	* applyToEither result completes exceptionally if either source cancelled
2303		*/
2304	<	public void testAcceptEither() {
2305	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2306	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2307	<	IncAction r = new IncAction();
2308	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2309	<	f.complete(one);
2310	<	checkCompletedNormally(g, null);
2311	<	f2.complete(one);
2312	<	checkCompletedNormally(g, null);
2313	<	assertEquals(r.value, 2);
2314	<
2315	<	r = new IncAction();
2316	<	f = new CompletableFuture<Integer>();
2317	<	f.complete(one);
2318	<	f2 = new CompletableFuture<Integer>();
2319	<	g = f.acceptEither(f2, r);
2320	<	checkCompletedNormally(g, null);
2321	<	assertEquals(r.value, 2);
2322	<	}
2304	>	public void testApplyToEither_sourceCancelled() {
2305	>	for (ExecutionMode m : ExecutionMode.values())
2306	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2307	>	for (Integer v1 : new Integer[] { 1, null })
2308	>	{
2309	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2310	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2311	>	final IncFunction[] rs = new IncFunction[6];
2312	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2313	>
2314	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2315	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2316	>	checkIncomplete(h0);
2317	>	checkIncomplete(h1);
2318	>	rs[0].assertNotInvoked();
2319	>	rs[1].assertNotInvoked();
2320	>	f.cancel(mayInterruptIfRunning);
2321	>	checkCompletedWithWrappedCancellationException(h0);
2322	>	checkCompletedWithWrappedCancellationException(h1);
2323	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2324	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2325	>	checkCompletedWithWrappedCancellationException(h2);
2326	>	checkCompletedWithWrappedCancellationException(h3);
2327	>	g.complete(v1);
2328	>
2329	>	// unspecified behavior - both source completions available
2330	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2331	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2332	>	try {
2333	>	assertEquals(inc(v1), h4.join());
2334	>	rs[4].assertValue(inc(v1));
2335	>	} catch (CompletionException ok) {
2336	>	checkCompletedWithWrappedCancellationException(h4);
2337	>	rs[4].assertNotInvoked();
2338	>	}
2339	>	try {
2340	>	assertEquals(inc(v1), h5.join());
2341	>	rs[5].assertValue(inc(v1));
2342	>	} catch (CompletionException ok) {
2343	>	checkCompletedWithWrappedCancellationException(h5);
2344	>	rs[5].assertNotInvoked();
2345	>	}
2346
2347	<	/**
2348	<	* acceptEither result completes exceptionally after exceptional
2349	<	* completion of either source
2350	<	*/
2351	<	public void testAcceptEither2() {
2352	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2353	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2354	<	IncAction r = new IncAction();
2355	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2356	<	f.completeExceptionally(new CFException());
2357	<	f2.complete(one);
2358	<	checkCompletedWithWrappedCFException(g);
2347	>	checkCancelled(f);
2348	>	checkCompletedNormally(g, v1);
2349	>	checkCompletedWithWrappedCancellationException(h0);
2350	>	checkCompletedWithWrappedCancellationException(h1);
2351	>	checkCompletedWithWrappedCancellationException(h2);
2352	>	checkCompletedWithWrappedCancellationException(h3);
2353	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2354	>	}}
2355	>
2356	>	public void testApplyToEither_sourceCancelled2() {
2357	>	for (ExecutionMode m : ExecutionMode.values())
2358	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2359	>	for (boolean fFirst : new boolean[] { true, false })
2360	>	for (Integer v1 : new Integer[] { 1, null })
2361	>	{
2362	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2363	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2364	>	final IncFunction[] rs = new IncFunction[6];
2365	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2366	>
2367	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2368	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2369	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2370	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2371	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2372	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2373
2374	<	r = new IncAction();
2375	<	f = new CompletableFuture<Integer>();
2376	<	f2 = new CompletableFuture<Integer>();
2377	<	f2.completeExceptionally(new CFException());
2378	<	g = f.acceptEither(f2, r);
2379	<	checkCompletedWithWrappedCFException(g);
2380	<	}
2374	>	// unspecified behavior - both source completions available
2375	>	try {
2376	>	assertEquals(inc(v1), h0.join());
2377	>	rs[0].assertValue(inc(v1));
2378	>	} catch (CompletionException ok) {
2379	>	checkCompletedWithWrappedCancellationException(h0);
2380	>	rs[0].assertNotInvoked();
2381	>	}
2382	>	try {
2383	>	assertEquals(inc(v1), h1.join());
2384	>	rs[1].assertValue(inc(v1));
2385	>	} catch (CompletionException ok) {
2386	>	checkCompletedWithWrappedCancellationException(h1);
2387	>	rs[1].assertNotInvoked();
2388	>	}
2389	>	try {
2390	>	assertEquals(inc(v1), h2.join());
2391	>	rs[2].assertValue(inc(v1));
2392	>	} catch (CompletionException ok) {
2393	>	checkCompletedWithWrappedCancellationException(h2);
2394	>	rs[2].assertNotInvoked();
2395	>	}
2396	>	try {
2397	>	assertEquals(inc(v1), h3.join());
2398	>	rs[3].assertValue(inc(v1));
2399	>	} catch (CompletionException ok) {
2400	>	checkCompletedWithWrappedCancellationException(h3);
2401	>	rs[3].assertNotInvoked();
2402	>	}
2403
2404	<	/**
2405	<	* acceptEither result completes exceptionally if action does
2406	<	*/
946	<	public void testAcceptEither3() {
947	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
948	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
949	<	FailingConsumer r = new FailingConsumer();
950	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
951	<	f2.complete(two);
952	<	checkCompletedWithWrappedCFException(g);
953	<	}
2404	>	checkCompletedNormally(f, v1);
2405	>	checkCancelled(g);
2406	>	}}
2407
2408		/**
2409	<	* acceptEither result completes exceptionally if either source cancelled
2409	>	* applyToEither result completes exceptionally if action does
2410		*/
2411	<	public void testAcceptEither4() {
2412	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2413	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2414	<	IncAction r = new IncAction();
2415	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2416	<	assertTrue(f.cancel(true));
2417	<	checkCompletedWithWrappedCancellationException(g);
2418	<	f = new CompletableFuture<Integer>();
2419	<	f2 = new CompletableFuture<Integer>();
2420	<	assertTrue(f2.cancel(true));
2421	<	checkCompletedWithWrappedCancellationException(g);
2422	<	}
2423	<
2411	>	public void testApplyToEither_actionFailed() {
2412	>	for (ExecutionMode m : ExecutionMode.values())
2413	>	for (Integer v1 : new Integer[] { 1, null })
2414	>	for (Integer v2 : new Integer[] { 2, null })
2415	>	{
2416	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2417	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2418	>	final FailingFunction[] rs = new FailingFunction[6];
2419	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2420	>
2421	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2422	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2423	>	f.complete(v1);
2424	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2425	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2426	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2427	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2428	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2429	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2430	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2431	>
2432	>	g.complete(v2);
2433	>
2434	>	// unspecified behavior - both source completions available
2435	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2436	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2437	>
2438	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2439	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2440	>	Objects.equals(v2, rs[4].value));
2441	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2442	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2443	>	Objects.equals(v2, rs[5].value));
2444	>
2445	>	checkCompletedNormally(f, v1);
2446	>	checkCompletedNormally(g, v2);
2447	>	}}
2448
2449		/**
2450	<	* runAfterEither result completes normally after normal completion
2450	>	* acceptEither result completes normally after normal completion
2451		* of either source
2452		*/
2453	<	public void testRunAfterEither() {
2454	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2455	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2456	<	Noop r = new Noop();
2457	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2458	<	f.complete(one);
2459	<	checkCompletedNormally(g, null);
2460	<	f2.complete(one);
2461	<	checkCompletedNormally(g, null);
2462	<	assertTrue(r.ran);
2463	<
2464	<	r = new Noop();
2465	<	f = new CompletableFuture<Integer>();
2466	<	f.complete(one);
2467	<	f2 = new CompletableFuture<Integer>();
2468	<	g = f.runAfterEither(f2, r);
2469	<	checkCompletedNormally(g, null);
2470	<	assertTrue(r.ran);
2471	<	}
2453	>	public void testAcceptEither_normalCompletion() {
2454	>	for (ExecutionMode m : ExecutionMode.values())
2455	>	for (Integer v1 : new Integer[] { 1, null })
2456	>	for (Integer v2 : new Integer[] { 2, null })
2457	>	{
2458	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2459	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2460	>	final NoopConsumer[] rs = new NoopConsumer[6];
2461	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2462	>
2463	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2464	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2465	>	checkIncomplete(h0);
2466	>	checkIncomplete(h1);
2467	>	rs[0].assertNotInvoked();
2468	>	rs[1].assertNotInvoked();
2469	>	f.complete(v1);
2470	>	checkCompletedNormally(h0, null);
2471	>	checkCompletedNormally(h1, null);
2472	>	rs[0].assertValue(v1);
2473	>	rs[1].assertValue(v1);
2474	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2475	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2476	>	checkCompletedNormally(h2, null);
2477	>	checkCompletedNormally(h3, null);
2478	>	rs[2].assertValue(v1);
2479	>	rs[3].assertValue(v1);
2480	>	g.complete(v2);
2481	>
2482	>	// unspecified behavior - both source completions available
2483	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2484	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2485	>	checkCompletedNormally(h4, null);
2486	>	checkCompletedNormally(h5, null);
2487	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2488	>	Objects.equals(v2, rs[4].value));
2489	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2490	>	Objects.equals(v2, rs[5].value));
2491	>
2492	>	checkCompletedNormally(f, v1);
2493	>	checkCompletedNormally(g, v2);
2494	>	checkCompletedNormally(h0, null);
2495	>	checkCompletedNormally(h1, null);
2496	>	checkCompletedNormally(h2, null);
2497	>	checkCompletedNormally(h3, null);
2498	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2499	>	}}
2500
2501		/**
2502	<	* runAfterEither result completes exceptionally after exceptional
2502	>	* acceptEither result completes exceptionally after exceptional
2503		* completion of either source
2504		*/
2505	<	public void testRunAfterEither2() {
2506	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2507	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2508	<	Noop r = new Noop();
2509	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2510	<	f.completeExceptionally(new CFException());
2511	<	f2.complete(one);
2512	<	checkCompletedWithWrappedCFException(g);
2505	>	public void testAcceptEither_exceptionalCompletion() {
2506	>	for (ExecutionMode m : ExecutionMode.values())
2507	>	for (Integer v1 : new Integer[] { 1, null })
2508	>	{
2509	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2510	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2511	>	final CFException ex = new CFException();
2512	>	final NoopConsumer[] rs = new NoopConsumer[6];
2513	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2514	>
2515	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2516	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2517	>	checkIncomplete(h0);
2518	>	checkIncomplete(h1);
2519	>	rs[0].assertNotInvoked();
2520	>	rs[1].assertNotInvoked();
2521	>	f.completeExceptionally(ex);
2522	>	checkCompletedWithWrappedException(h0, ex);
2523	>	checkCompletedWithWrappedException(h1, ex);
2524	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2525	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2526	>	checkCompletedWithWrappedException(h2, ex);
2527	>	checkCompletedWithWrappedException(h3, ex);
2528	>
2529	>	g.complete(v1);
2530	>
2531	>	// unspecified behavior - both source completions available
2532	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2533	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2534	>	try {
2535	>	assertNull(h4.join());
2536	>	rs[4].assertValue(v1);
2537	>	} catch (CompletionException ok) {
2538	>	checkCompletedWithWrappedException(h4, ex);
2539	>	rs[4].assertNotInvoked();
2540	>	}
2541	>	try {
2542	>	assertNull(h5.join());
2543	>	rs[5].assertValue(v1);
2544	>	} catch (CompletionException ok) {
2545	>	checkCompletedWithWrappedException(h5, ex);
2546	>	rs[5].assertNotInvoked();
2547	>	}
2548
2549	<	r = new Noop();
2550	<	f = new CompletableFuture<Integer>();
2551	<	f2 = new CompletableFuture<Integer>();
2552	<	f2.completeExceptionally(new CFException());
2553	<	g = f.runAfterEither(f2, r);
2554	<	checkCompletedWithWrappedCFException(g);
2555	<	}
2549	>	checkCompletedExceptionally(f, ex);
2550	>	checkCompletedNormally(g, v1);
2551	>	checkCompletedWithWrappedException(h0, ex);
2552	>	checkCompletedWithWrappedException(h1, ex);
2553	>	checkCompletedWithWrappedException(h2, ex);
2554	>	checkCompletedWithWrappedException(h3, ex);
2555	>	checkCompletedWithWrappedException(h4, ex);
2556	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2557	>	}}
2558	>
2559	>	public void testAcceptEither_exceptionalCompletion2() {
2560	>	for (ExecutionMode m : ExecutionMode.values())
2561	>	for (boolean fFirst : new boolean[] { true, false })
2562	>	for (Integer v1 : new Integer[] { 1, null })
2563	>	{
2564	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2565	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2566	>	final CFException ex = new CFException();
2567	>	final NoopConsumer[] rs = new NoopConsumer[6];
2568	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2569	>
2570	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2571	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2572	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2573	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2574	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2575	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2576
2577	<	/**
2578	<	* runAfterEither result completes exceptionally if action does
2579	<	*/
2580	<	public void testRunAfterEither3() {
2581	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2582	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2583	<	FailingNoop r = new FailingNoop();
2584	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2585	<	f2.complete(two);
2586	<	checkCompletedWithWrappedCFException(g);
2587	<	}
2577	>	// unspecified behavior - both source completions available
2578	>	try {
2579	>	assertNull(h0.join());
2580	>	rs[0].assertValue(v1);
2581	>	} catch (CompletionException ok) {
2582	>	checkCompletedWithWrappedException(h0, ex);
2583	>	rs[0].assertNotInvoked();
2584	>	}
2585	>	try {
2586	>	assertNull(h1.join());
2587	>	rs[1].assertValue(v1);
2588	>	} catch (CompletionException ok) {
2589	>	checkCompletedWithWrappedException(h1, ex);
2590	>	rs[1].assertNotInvoked();
2591	>	}
2592	>	try {
2593	>	assertNull(h2.join());
2594	>	rs[2].assertValue(v1);
2595	>	} catch (CompletionException ok) {
2596	>	checkCompletedWithWrappedException(h2, ex);
2597	>	rs[2].assertNotInvoked();
2598	>	}
2599	>	try {
2600	>	assertNull(h3.join());
2601	>	rs[3].assertValue(v1);
2602	>	} catch (CompletionException ok) {
2603	>	checkCompletedWithWrappedException(h3, ex);
2604	>	rs[3].assertNotInvoked();
2605	>	}
2606
2607	<	/**
2608	<	* runAfterEither result completes exceptionally if either source cancelled
2609	<	*/
1032	<	public void testRunAfterEither4() {
1033	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1034	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1035	<	Noop r = new Noop();
1036	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1037	<	assertTrue(f.cancel(true));
1038	<	checkCompletedWithWrappedCancellationException(g);
1039	<	f = new CompletableFuture<Integer>();
1040	<	f2 = new CompletableFuture<Integer>();
1041	<	assertTrue(f2.cancel(true));
1042	<	checkCompletedWithWrappedCancellationException(g);
1043	<	}
2607	>	checkCompletedNormally(f, v1);
2608	>	checkCompletedExceptionally(g, ex);
2609	>	}}
2610
2611		/**
2612	<	* thenCompose result completes normally after normal completion of source
2612	>	* acceptEither result completes exceptionally if either source cancelled
2613		*/
2614	<	public void testThenCompose() {
2615	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2616	<	CompletableFutureInc r = new CompletableFutureInc();
2617	<	CompletableFuture<Integer> g = f.thenCompose(r);
2618	<	f.complete(one);
2619	<	checkCompletedNormally(g, two);
2620	<	}
2614	>	public void testAcceptEither_sourceCancelled() {
2615	>	for (ExecutionMode m : ExecutionMode.values())
2616	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2617	>	for (Integer v1 : new Integer[] { 1, null })
2618	>	{
2619	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2620	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2621	>	final NoopConsumer[] rs = new NoopConsumer[6];
2622	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2623	>
2624	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2625	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2626	>	checkIncomplete(h0);
2627	>	checkIncomplete(h1);
2628	>	rs[0].assertNotInvoked();
2629	>	rs[1].assertNotInvoked();
2630	>	f.cancel(mayInterruptIfRunning);
2631	>	checkCompletedWithWrappedCancellationException(h0);
2632	>	checkCompletedWithWrappedCancellationException(h1);
2633	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2634	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2635	>	checkCompletedWithWrappedCancellationException(h2);
2636	>	checkCompletedWithWrappedCancellationException(h3);
2637	>
2638	>	g.complete(v1);
2639	>
2640	>	// unspecified behavior - both source completions available
2641	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2642	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2643	>	try {
2644	>	assertNull(h4.join());
2645	>	rs[4].assertValue(v1);
2646	>	} catch (CompletionException ok) {
2647	>	checkCompletedWithWrappedCancellationException(h4);
2648	>	rs[4].assertNotInvoked();
2649	>	}
2650	>	try {
2651	>	assertNull(h5.join());
2652	>	rs[5].assertValue(v1);
2653	>	} catch (CompletionException ok) {
2654	>	checkCompletedWithWrappedCancellationException(h5);
2655	>	rs[5].assertNotInvoked();
2656	>	}
2657
2658	<	/**
2659	<	* thenCompose result completes exceptionally after exceptional
2660	<	* completion of source
2661	<	*/
2662	<	public void testThenCompose2() {
2663	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2664	<	CompletableFutureInc r = new CompletableFutureInc();
2665	<	CompletableFuture<Integer> g = f.thenCompose(r);
1064	<	f.completeExceptionally(new CFException());
1065	<	checkCompletedWithWrappedCFException(g);
1066	<	}
2658	>	checkCancelled(f);
2659	>	checkCompletedNormally(g, v1);
2660	>	checkCompletedWithWrappedCancellationException(h0);
2661	>	checkCompletedWithWrappedCancellationException(h1);
2662	>	checkCompletedWithWrappedCancellationException(h2);
2663	>	checkCompletedWithWrappedCancellationException(h3);
2664	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2665	>	}}
2666
2667		/**
2668	<	* thenCompose result completes exceptionally if action does
2668	>	* acceptEither result completes exceptionally if action does
2669		*/
2670	<	public void testThenCompose3() {
2671	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2672	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2673	<	CompletableFuture<Integer> g = f.thenCompose(r);
2674	<	f.complete(one);
2675	<	checkCompletedWithWrappedCFException(g);
2676	<	}
2670	>	public void testAcceptEither_actionFailed() {
2671	>	for (ExecutionMode m : ExecutionMode.values())
2672	>	for (Integer v1 : new Integer[] { 1, null })
2673	>	for (Integer v2 : new Integer[] { 2, null })
2674	>	{
2675	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2676	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2677	>	final FailingConsumer[] rs = new FailingConsumer[6];
2678	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2679	>
2680	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2681	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2682	>	f.complete(v1);
2683	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2684	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2685	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2686	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2687	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2688	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2689	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2690	>
2691	>	g.complete(v2);
2692	>
2693	>	// unspecified behavior - both source completions available
2694	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2695	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2696	>
2697	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2698	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2699	>	Objects.equals(v2, rs[4].value));
2700	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2701	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2702	>	Objects.equals(v2, rs[5].value));
2703	>
2704	>	checkCompletedNormally(f, v1);
2705	>	checkCompletedNormally(g, v2);
2706	>	}}
2707
2708		/**
2709	<	* thenCompose result completes exceptionally if source cancelled
2709	>	* runAfterEither result completes normally after normal completion
2710	>	* of either source
2711		*/
2712	<	public void testThenCompose4() {
2713	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2714	<	CompletableFutureInc r = new CompletableFutureInc();
2715	<	CompletableFuture<Integer> g = f.thenCompose(r);
2716	<	assertTrue(f.cancel(true));
2717	<	checkCompletedWithWrappedCancellationException(g);
2718	<	}
2719	<
2720	<
2721	<	// asyncs
2712	>	public void testRunAfterEither_normalCompletion() {
2713	>	for (ExecutionMode m : ExecutionMode.values())
2714	>	for (Integer v1 : new Integer[] { 1, null })
2715	>	for (Integer v2 : new Integer[] { 2, null })
2716	>	for (boolean pushNop : new boolean[] { true, false })
2717	>	{
2718	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2719	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2720	>	final Noop[] rs = new Noop[6];
2721	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2722	>
2723	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2724	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2725	>	checkIncomplete(h0);
2726	>	checkIncomplete(h1);
2727	>	rs[0].assertNotInvoked();
2728	>	rs[1].assertNotInvoked();
2729	>	if (pushNop) {          // ad hoc test of intra-completion interference
2730	>	m.thenRun(f, () -> {});
2731	>	m.thenRun(g, () -> {});
2732	>	}
2733	>	f.complete(v1);
2734	>	checkCompletedNormally(h0, null);
2735	>	checkCompletedNormally(h1, null);
2736	>	rs[0].assertInvoked();
2737	>	rs[1].assertInvoked();
2738	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2739	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2740	>	checkCompletedNormally(h2, null);
2741	>	checkCompletedNormally(h3, null);
2742	>	rs[2].assertInvoked();
2743	>	rs[3].assertInvoked();
2744	>
2745	>	g.complete(v2);
2746	>
2747	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2748	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2749	>
2750	>	checkCompletedNormally(f, v1);
2751	>	checkCompletedNormally(g, v2);
2752	>	checkCompletedNormally(h0, null);
2753	>	checkCompletedNormally(h1, null);
2754	>	checkCompletedNormally(h2, null);
2755	>	checkCompletedNormally(h3, null);
2756	>	checkCompletedNormally(h4, null);
2757	>	checkCompletedNormally(h5, null);
2758	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2759	>	}}
2760
2761		/**
2762	<	* thenRunAsync result completes normally after normal completion of source
2762	>	* runAfterEither result completes exceptionally after exceptional
2763	>	* completion of either source
2764		*/
2765	<	public void testThenRunAsync() {
2766	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2767	<	Noop r = new Noop();
2768	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2769	<	f.complete(null);
2770	<	checkCompletedNormally(g, null);
2765	>	public void testRunAfterEither_exceptionalCompletion() {
2766	>	for (ExecutionMode m : ExecutionMode.values())
2767	>	for (Integer v1 : new Integer[] { 1, null })
2768	>	{
2769	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2770	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2771	>	final CFException ex = new CFException();
2772	>	final Noop[] rs = new Noop[6];
2773	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2774	>
2775	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2776	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2777	>	checkIncomplete(h0);
2778	>	checkIncomplete(h1);
2779	>	rs[0].assertNotInvoked();
2780	>	rs[1].assertNotInvoked();
2781	>	assertTrue(f.completeExceptionally(ex));
2782	>	checkCompletedWithWrappedException(h0, ex);
2783	>	checkCompletedWithWrappedException(h1, ex);
2784	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2785	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2786	>	checkCompletedWithWrappedException(h2, ex);
2787	>	checkCompletedWithWrappedException(h3, ex);
2788	>
2789	>	assertTrue(g.complete(v1));
2790	>
2791	>	// unspecified behavior - both source completions available
2792	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2793	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2794	>	try {
2795	>	assertNull(h4.join());
2796	>	rs[4].assertInvoked();
2797	>	} catch (CompletionException ok) {
2798	>	checkCompletedWithWrappedException(h4, ex);
2799	>	rs[4].assertNotInvoked();
2800	>	}
2801	>	try {
2802	>	assertNull(h5.join());
2803	>	rs[5].assertInvoked();
2804	>	} catch (CompletionException ok) {
2805	>	checkCompletedWithWrappedException(h5, ex);
2806	>	rs[5].assertNotInvoked();
2807	>	}
2808
2809	<	// reordered version
2810	<	f = new CompletableFuture<Integer>();
2811	<	f.complete(null);
2812	<	r = new Noop();
2813	<	g = f.thenRunAsync(r);
2814	<	checkCompletedNormally(g, null);
2815	<	}
2809	>	checkCompletedExceptionally(f, ex);
2810	>	checkCompletedNormally(g, v1);
2811	>	checkCompletedWithWrappedException(h0, ex);
2812	>	checkCompletedWithWrappedException(h1, ex);
2813	>	checkCompletedWithWrappedException(h2, ex);
2814	>	checkCompletedWithWrappedException(h3, ex);
2815	>	checkCompletedWithWrappedException(h4, ex);
2816	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2817	>	}}
2818	>
2819	>	public void testRunAfterEither_exceptionalCompletion2() {
2820	>	for (ExecutionMode m : ExecutionMode.values())
2821	>	for (boolean fFirst : new boolean[] { true, false })
2822	>	for (Integer v1 : new Integer[] { 1, null })
2823	>	{
2824	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2825	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2826	>	final CFException ex = new CFException();
2827	>	final Noop[] rs = new Noop[6];
2828	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2829	>
2830	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2831	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2832	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2833	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2834	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2835	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2836
2837	<	/**
1112	<	* thenRunAsync result completes exceptionally after exceptional
1113	<	* completion of source
1114	<	*/
1115	<	public void testThenRunAsync2() {
1116	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1117	<	Noop r = new Noop();
1118	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1119	<	f.completeExceptionally(new CFException());
2837	>	// unspecified behavior - both source completions available
2838		try {
2839	<	g.join();
2840	<	shouldThrow();
2841	<	} catch (Exception ok) {
2839	>	assertNull(h0.join());
2840	>	rs[0].assertInvoked();
2841	>	} catch (CompletionException ok) {
2842	>	checkCompletedWithWrappedException(h0, ex);
2843	>	rs[0].assertNotInvoked();
2844	>	}
2845	>	try {
2846	>	assertNull(h1.join());
2847	>	rs[1].assertInvoked();
2848	>	} catch (CompletionException ok) {
2849	>	checkCompletedWithWrappedException(h1, ex);
2850	>	rs[1].assertNotInvoked();
2851	>	}
2852	>	try {
2853	>	assertNull(h2.join());
2854	>	rs[2].assertInvoked();
2855	>	} catch (CompletionException ok) {
2856	>	checkCompletedWithWrappedException(h2, ex);
2857	>	rs[2].assertNotInvoked();
2858	>	}
2859	>	try {
2860	>	assertNull(h3.join());
2861	>	rs[3].assertInvoked();
2862	>	} catch (CompletionException ok) {
2863	>	checkCompletedWithWrappedException(h3, ex);
2864	>	rs[3].assertNotInvoked();
2865		}
1125	–	checkCompletedWithWrappedCFException(g);
1126	–	}
2866
2867	<	/**
2868	<	* thenRunAsync result completes exceptionally if action does
2869	<	*/
1131	<	public void testThenRunAsync3() {
1132	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1133	<	FailingNoop r = new FailingNoop();
1134	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1135	<	f.complete(null);
1136	<	checkCompletedWithWrappedCFException(g);
1137	<	}
2867	>	checkCompletedNormally(f, v1);
2868	>	checkCompletedExceptionally(g, ex);
2869	>	}}
2870
2871		/**
2872	<	* thenRunAsync result completes exceptionally if source cancelled
1141	<	*/
1142	<	public void testThenRunAsync4() {
1143	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1144	<	Noop r = new Noop();
1145	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1146	<	assertTrue(f.cancel(true));
1147	<	checkCompletedWithWrappedCancellationException(g);
1148	<	}
1149	<
1150	<	/**
1151	<	* thenApplyAsync result completes normally after normal completion of source
2872	>	* runAfterEither result completes exceptionally if either source cancelled
2873		*/
2874	<	public void testThenApplyAsync() {
2875	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2876	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2877	<	f.complete(one);
2878	<	checkCompletedNormally(g, two);
2879	<	}
2874	>	public void testRunAfterEither_sourceCancelled() {
2875	>	for (ExecutionMode m : ExecutionMode.values())
2876	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2877	>	for (Integer v1 : new Integer[] { 1, null })
2878	>	{
2879	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2880	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2881	>	final Noop[] rs = new Noop[6];
2882	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2883	>
2884	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2885	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2886	>	checkIncomplete(h0);
2887	>	checkIncomplete(h1);
2888	>	rs[0].assertNotInvoked();
2889	>	rs[1].assertNotInvoked();
2890	>	f.cancel(mayInterruptIfRunning);
2891	>	checkCompletedWithWrappedCancellationException(h0);
2892	>	checkCompletedWithWrappedCancellationException(h1);
2893	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2894	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2895	>	checkCompletedWithWrappedCancellationException(h2);
2896	>	checkCompletedWithWrappedCancellationException(h3);
2897	>
2898	>	assertTrue(g.complete(v1));
2899	>
2900	>	// unspecified behavior - both source completions available
2901	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2902	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2903	>	try {
2904	>	assertNull(h4.join());
2905	>	rs[4].assertInvoked();
2906	>	} catch (CompletionException ok) {
2907	>	checkCompletedWithWrappedCancellationException(h4);
2908	>	rs[4].assertNotInvoked();
2909	>	}
2910	>	try {
2911	>	assertNull(h5.join());
2912	>	rs[5].assertInvoked();
2913	>	} catch (CompletionException ok) {
2914	>	checkCompletedWithWrappedCancellationException(h5);
2915	>	rs[5].assertNotInvoked();
2916	>	}
2917
2918	<	/**
2919	<	* thenApplyAsync result completes exceptionally after exceptional
2920	<	* completion of source
2921	<	*/
2922	<	public void testThenApplyAsync2() {
2923	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2924	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2925	<	f.completeExceptionally(new CFException());
1168	<	checkCompletedWithWrappedCFException(g);
1169	<	}
2918	>	checkCancelled(f);
2919	>	checkCompletedNormally(g, v1);
2920	>	checkCompletedWithWrappedCancellationException(h0);
2921	>	checkCompletedWithWrappedCancellationException(h1);
2922	>	checkCompletedWithWrappedCancellationException(h2);
2923	>	checkCompletedWithWrappedCancellationException(h3);
2924	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2925	>	}}
2926
2927		/**
2928	<	* thenApplyAsync result completes exceptionally if action does
2928	>	* runAfterEither result completes exceptionally if action does
2929		*/
2930	<	public void testThenApplyAsync3() {
2931	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2932	<	FailingFunction r = new FailingFunction();
2933	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
2934	<	f.complete(null);
2935	<	checkCompletedWithWrappedCFException(g);
2936	<	}
2930	>	public void testRunAfterEither_actionFailed() {
2931	>	for (ExecutionMode m : ExecutionMode.values())
2932	>	for (Integer v1 : new Integer[] { 1, null })
2933	>	for (Integer v2 : new Integer[] { 2, null })
2934	>	{
2935	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2936	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2937	>	final FailingRunnable[] rs = new FailingRunnable[6];
2938	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2939	>
2940	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2941	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2942	>	assertTrue(f.complete(v1));
2943	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2944	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2945	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2946	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2947	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2948	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2949	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2950	>	assertTrue(g.complete(v2));
2951	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2952	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2953	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2954	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2955	>
2956	>	checkCompletedNormally(f, v1);
2957	>	checkCompletedNormally(g, v2);
2958	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2959	>	}}
2960
2961		/**
2962	<	* thenApplyAsync result completes exceptionally if source cancelled
2962	>	* thenCompose result completes normally after normal completion of source
2963		*/
2964	<	public void testThenApplyAsync4() {
2965	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2966	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2967	<	assertTrue(f.cancel(true));
2968	<	checkCompletedWithWrappedCancellationException(g);
2969	<	}
2964	>	public void testThenCompose_normalCompletion() {
2965	>	for (ExecutionMode m : ExecutionMode.values())
2966	>	for (boolean createIncomplete : new boolean[] { true, false })
2967	>	for (Integer v1 : new Integer[] { 1, null })
2968	>	{
2969	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2970	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2971	>	if (!createIncomplete) assertTrue(f.complete(v1));
2972	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2973	>	if (createIncomplete) assertTrue(f.complete(v1));
2974	>
2975	>	checkCompletedNormally(g, inc(v1));
2976	>	checkCompletedNormally(f, v1);
2977	>	r.assertValue(v1);
2978	>	}}
2979
2980		/**
2981	<	* thenAcceptAsync result completes normally after normal
2981	>	* thenCompose result completes exceptionally after exceptional
2982		* completion of source
2983		*/
2984	<	public void testThenAcceptAsync() {
2985	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2986	<	IncAction r = new IncAction();
2987	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2988	<	f.complete(one);
2989	<	checkCompletedNormally(g, null);
2990	<	assertEquals(r.value, 2);
2991	<	}
2984	>	public void testThenCompose_exceptionalCompletion() {
2985	>	for (ExecutionMode m : ExecutionMode.values())
2986	>	for (boolean createIncomplete : new boolean[] { true, false })
2987	>	{
2988	>	final CFException ex = new CFException();
2989	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2990	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2991	>	if (!createIncomplete) f.completeExceptionally(ex);
2992	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2993	>	if (createIncomplete) f.completeExceptionally(ex);
2994	>
2995	>	checkCompletedWithWrappedException(g, ex);
2996	>	checkCompletedExceptionally(f, ex);
2997	>	r.assertNotInvoked();
2998	>	}}
2999
3000		/**
3001	<	* thenAcceptAsync result completes exceptionally after exceptional
1207	<	* completion of source
3001	>	* thenCompose result completes exceptionally if action does
3002		*/
3003	<	public void testThenAcceptAsync2() {
3004	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3005	<	IncAction r = new IncAction();
3006	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3007	<	f.completeExceptionally(new CFException());
3008	<	checkCompletedWithWrappedCFException(g);
3009	<	}
3003	>	public void testThenCompose_actionFailed() {
3004	>	for (ExecutionMode m : ExecutionMode.values())
3005	>	for (boolean createIncomplete : new boolean[] { true, false })
3006	>	for (Integer v1 : new Integer[] { 1, null })
3007	>	{
3008	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3009	>	final FailingCompletableFutureFunction r
3010	>	= new FailingCompletableFutureFunction(m);
3011	>	if (!createIncomplete) assertTrue(f.complete(v1));
3012	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3013	>	if (createIncomplete) assertTrue(f.complete(v1));
3014	>
3015	>	checkCompletedWithWrappedException(g, r.ex);
3016	>	checkCompletedNormally(f, v1);
3017	>	}}
3018
3019		/**
3020	<	* thenAcceptAsync result completes exceptionally if action does
3020	>	* thenCompose result completes exceptionally if source cancelled
3021		*/
3022	<	public void testThenAcceptAsync3() {
3023	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3024	<	FailingConsumer r = new FailingConsumer();
3025	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3026	<	f.complete(null);
3027	<	checkCompletedWithWrappedCFException(g);
3028	<	}
3022	>	public void testThenCompose_sourceCancelled() {
3023	>	for (ExecutionMode m : ExecutionMode.values())
3024	>	for (boolean createIncomplete : new boolean[] { true, false })
3025	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3026	>	{
3027	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3028	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3029	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3030	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3031	>	if (createIncomplete) {
3032	>	checkIncomplete(g);
3033	>	assertTrue(f.cancel(mayInterruptIfRunning));
3034	>	}
3035
1228	–	/**
1229	–	* thenAcceptAsync result completes exceptionally if source cancelled
1230	–	*/
1231	–	public void testThenAcceptAsync4() {
1232	–	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1233	–	IncAction r = new IncAction();
1234	–	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1235	–	assertTrue(f.cancel(true));
3036		checkCompletedWithWrappedCancellationException(g);
3037	<	}
3038	<	/**
1239	<	* thenCombineAsync result completes normally after normal
1240	<	* completion of sources
1241	<	*/
1242	<	public void testThenCombineAsync() {
1243	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1244	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1245	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add);
1246	<	f.complete(one);
1247	<	checkIncomplete(g);
1248	<	f2.complete(two);
1249	<	checkCompletedNormally(g, three);
1250	<	}
3037	>	checkCancelled(f);
3038	>	}}
3039
3040		/**
3041	<	* thenCombineAsync result completes exceptionally after exceptional
1254	<	* completion of source
3041	>	* thenCompose result completes exceptionally if the result of the action does
3042		*/
3043	<	public void testThenCombineAsync2() {
3044	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3045	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3046	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add);
3047	<	f.completeExceptionally(new CFException());
3048	<	f2.complete(two);
3049	<	checkCompletedWithWrappedCFException(g);
3043	>	public void testThenCompose_actionReturnsFailingFuture() {
3044	>	for (ExecutionMode m : ExecutionMode.values())
3045	>	for (int order = 0; order < 6; order++)
3046	>	for (Integer v1 : new Integer[] { 1, null })
3047	>	{
3048	>	final CFException ex = new CFException();
3049	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3050	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3051	>	final CompletableFuture<Integer> h;
3052	>	// Test all permutations of orders
3053	>	switch (order) {
3054	>	case 0:
3055	>	assertTrue(f.complete(v1));
3056	>	assertTrue(g.completeExceptionally(ex));
3057	>	h = m.thenCompose(f, (x -> g));
3058	>	break;
3059	>	case 1:
3060	>	assertTrue(f.complete(v1));
3061	>	h = m.thenCompose(f, (x -> g));
3062	>	assertTrue(g.completeExceptionally(ex));
3063	>	break;
3064	>	case 2:
3065	>	assertTrue(g.completeExceptionally(ex));
3066	>	assertTrue(f.complete(v1));
3067	>	h = m.thenCompose(f, (x -> g));
3068	>	break;
3069	>	case 3:
3070	>	assertTrue(g.completeExceptionally(ex));
3071	>	h = m.thenCompose(f, (x -> g));
3072	>	assertTrue(f.complete(v1));
3073	>	break;
3074	>	case 4:
3075	>	h = m.thenCompose(f, (x -> g));
3076	>	assertTrue(f.complete(v1));
3077	>	assertTrue(g.completeExceptionally(ex));
3078	>	break;
3079	>	case 5:
3080	>	h = m.thenCompose(f, (x -> g));
3081	>	assertTrue(f.complete(v1));
3082	>	assertTrue(g.completeExceptionally(ex));
3083	>	break;
3084	>	default: throw new AssertionError();
3085	>	}
3086
3087	<	f = new CompletableFuture<Integer>();
3088	<	f2 = new CompletableFuture<Integer>();
3089	<	g = f.thenCombineAsync(f2, add);
3090	<	f.complete(one);
1268	<	f2.completeExceptionally(new CFException());
1269	<	checkCompletedWithWrappedCFException(g);
1270	<	}
3087	>	checkCompletedExceptionally(g, ex);
3088	>	checkCompletedWithWrappedException(h, ex);
3089	>	checkCompletedNormally(f, v1);
3090	>	}}
3091
3092	<	/**
1273	<	* thenCombineAsync result completes exceptionally if action does
1274	<	*/
1275	<	public void testThenCombineAsync3() {
1276	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1277	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1278	<	FailingBiFunction r = new FailingBiFunction();
1279	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1280	<	f.complete(one);
1281	<	checkIncomplete(g);
1282	<	f2.complete(two);
1283	<	checkCompletedWithWrappedCFException(g);
1284	<	}
3092	>	// other static methods
3093
3094		/**
3095	<	* thenCombineAsync result completes exceptionally if either source cancelled
3095	>	* allOf(no component futures) returns a future completed normally
3096	>	* with the value null
3097		*/
3098	<	public void testThenCombineAsync4() {
3099	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3100	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1292	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add);
1293	<	assertTrue(f.cancel(true));
1294	<	f2.complete(two);
1295	<	checkCompletedWithWrappedCancellationException(g);
1296	<
1297	<	f = new CompletableFuture<Integer>();
1298	<	f2 = new CompletableFuture<Integer>();
1299	<	g = f.thenCombineAsync(f2, add);
1300	<	f.complete(one);
1301	<	assertTrue(f2.cancel(true));
1302	<	checkCompletedWithWrappedCancellationException(g);
3098	>	public void testAllOf_empty() throws Exception {
3099	>	CompletableFuture<Void> f = CompletableFuture.allOf();
3100	>	checkCompletedNormally(f, null);
3101		}
3102
3103		/**
3104	<	* thenAcceptBothAsync result completes normally after normal
3105	<	* completion of sources
3104	>	* allOf returns a future completed normally with the value null
3105	>	* when all components complete normally
3106		*/
3107	<	public void testThenAcceptBothAsync() {
3108	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3109	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3110	<	AddAction r = new AddAction();
3111	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
3112	<	f.complete(one);
3113	<	checkIncomplete(g);
3114	<	f2.complete(two);
3115	<	checkCompletedNormally(g, null);
3116	<	assertEquals(r.value, 3);
3107	>	public void testAllOf_normal() throws Exception {
3108	>	for (int k = 1; k < 10; k++) {
3109	>	CompletableFuture<Integer>[] fs
3110	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3111	>	for (int i = 0; i < k; i++)
3112	>	fs[i] = new CompletableFuture<>();
3113	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3114	>	for (int i = 0; i < k; i++) {
3115	>	checkIncomplete(f);
3116	>	checkIncomplete(CompletableFuture.allOf(fs));
3117	>	fs[i].complete(one);
3118	>	}
3119	>	checkCompletedNormally(f, null);
3120	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3121	>	}
3122		}
3123
3124	<	/**
3125	<	* thenAcceptBothAsync result completes exceptionally after exceptional
3126	<	* completion of source
3127	<	*/
3128	<	public void testThenAcceptBothAsync2() {
3129	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3130	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3131	<	AddAction r = new AddAction();
3132	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
3133	<	f.completeExceptionally(new CFException());
3134	<	f2.complete(two);
3135	<	checkCompletedWithWrappedCFException(g);
3136	<
3137	<	r = new AddAction();
3138	<	f = new CompletableFuture<Integer>();
1336	<	f2 = new CompletableFuture<Integer>();
1337	<	g = f.thenAcceptBothAsync(f2, r);
1338	<	f.complete(one);
1339	<	f2.completeExceptionally(new CFException());
1340	<	checkCompletedWithWrappedCFException(g);
3124	>	public void testAllOf_normal_backwards() throws Exception {
3125	>	for (int k = 1; k < 10; k++) {
3126	>	CompletableFuture<Integer>[] fs
3127	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3128	>	for (int i = 0; i < k; i++)
3129	>	fs[i] = new CompletableFuture<>();
3130	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3131	>	for (int i = k - 1; i >= 0; i--) {
3132	>	checkIncomplete(f);
3133	>	checkIncomplete(CompletableFuture.allOf(fs));
3134	>	fs[i].complete(one);
3135	>	}
3136	>	checkCompletedNormally(f, null);
3137	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3138	>	}
3139		}
3140
3141	<	/**
3142	<	* thenAcceptBothAsync result completes exceptionally if action does
3143	<	*/
3144	<	public void testThenAcceptBothAsync3() {
3145	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3146	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3147	<	FailingBiConsumer r = new FailingBiConsumer();
3148	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
3149	<	f.complete(one);
3150	<	checkIncomplete(g);
3151	<	f2.complete(two);
3152	<	checkCompletedWithWrappedCFException(g);
3141	>	public void testAllOf_exceptional() throws Exception {
3142	>	for (int k = 1; k < 10; k++) {
3143	>	CompletableFuture<Integer>[] fs
3144	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3145	>	CFException ex = new CFException();
3146	>	for (int i = 0; i < k; i++)
3147	>	fs[i] = new CompletableFuture<>();
3148	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3149	>	for (int i = 0; i < k; i++) {
3150	>	checkIncomplete(f);
3151	>	checkIncomplete(CompletableFuture.allOf(fs));
3152	>	if (i != k / 2) {
3153	>	fs[i].complete(i);
3154	>	checkCompletedNormally(fs[i], i);
3155	>	} else {
3156	>	fs[i].completeExceptionally(ex);
3157	>	checkCompletedExceptionally(fs[i], ex);
3158	>	}
3159	>	}
3160	>	checkCompletedWithWrappedException(f, ex);
3161	>	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3162	>	}
3163		}
3164
3165		/**
3166	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
3166	>	* anyOf(no component futures) returns an incomplete future
3167		*/
3168	<	public void testThenAcceptBothAsync4() {
3169	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3170	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3171	<	AddAction r = new AddAction();
3172	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r);
1365	<	assertTrue(f.cancel(true));
1366	<	f2.complete(two);
1367	<	checkCompletedWithWrappedCancellationException(g);
1368	<
1369	<	r = new AddAction();
1370	<	f = new CompletableFuture<Integer>();
1371	<	f2 = new CompletableFuture<Integer>();
1372	<	g = f.thenAcceptBothAsync(f2, r);
1373	<	f.complete(one);
1374	<	assertTrue(f2.cancel(true));
1375	<	checkCompletedWithWrappedCancellationException(g);
1376	<	}
3168	>	public void testAnyOf_empty() throws Exception {
3169	>	for (Integer v1 : new Integer[] { 1, null })
3170	>	{
3171	>	CompletableFuture<Object> f = CompletableFuture.anyOf();
3172	>	checkIncomplete(f);
3173
3174	<	/**
3175	<	* runAfterBothAsync result completes normally after normal
3176	<	* completion of sources
1381	<	*/
1382	<	public void testRunAfterBothAsync() {
1383	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1384	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1385	<	Noop r = new Noop();
1386	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1387	<	f.complete(one);
1388	<	checkIncomplete(g);
1389	<	f2.complete(two);
1390	<	checkCompletedNormally(g, null);
1391	<	assertTrue(r.ran);
1392	<	}
3174	>	f.complete(v1);
3175	>	checkCompletedNormally(f, v1);
3176	>	}}
3177
3178		/**
3179	<	* runAfterBothAsync result completes exceptionally after exceptional
3180	<	* completion of source
3179	>	* anyOf returns a future completed normally with a value when
3180	>	* a component future does
3181		*/
3182	<	public void testRunAfterBothAsync2() {
3183	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3184	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3185	<	Noop r = new Noop();
3186	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
3187	<	f.completeExceptionally(new CFException());
3188	<	f2.complete(two);
3189	<	checkCompletedWithWrappedCFException(g);
3190	<
3191	<	r = new Noop();
3192	<	f = new CompletableFuture<Integer>();
3193	<	f2 = new CompletableFuture<Integer>();
3194	<	g = f.runAfterBothAsync(f2, r);
3195	<	f.complete(one);
1412	<	f2.completeExceptionally(new CFException());
1413	<	checkCompletedWithWrappedCFException(g);
3182	>	public void testAnyOf_normal() throws Exception {
3183	>	for (int k = 0; k < 10; k++) {
3184	>	CompletableFuture[] fs = new CompletableFuture[k];
3185	>	for (int i = 0; i < k; i++)
3186	>	fs[i] = new CompletableFuture<>();
3187	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3188	>	checkIncomplete(f);
3189	>	for (int i = 0; i < k; i++) {
3190	>	fs[i].complete(i);
3191	>	checkCompletedNormally(f, 0);
3192	>	int x = (int) CompletableFuture.anyOf(fs).join();
3193	>	assertTrue(0 <= x && x <= i);
3194	>	}
3195	>	}
3196		}
3197	<
3198	<	/**
3199	<	* runAfterBothAsync result completes exceptionally if action does
3200	<	*/
3201	<	public void testRunAfterBothAsync3() {
3202	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3203	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3204	<	FailingNoop r = new FailingNoop();
3205	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
3206	<	f.complete(one);
3207	<	checkIncomplete(g);
3208	<	f2.complete(two);
3209	<	checkCompletedWithWrappedCFException(g);
3197	>	public void testAnyOf_normal_backwards() throws Exception {
3198	>	for (int k = 0; k < 10; k++) {
3199	>	CompletableFuture[] fs = new CompletableFuture[k];
3200	>	for (int i = 0; i < k; i++)
3201	>	fs[i] = new CompletableFuture<>();
3202	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3203	>	checkIncomplete(f);
3204	>	for (int i = k - 1; i >= 0; i--) {
3205	>	fs[i].complete(i);
3206	>	checkCompletedNormally(f, k - 1);
3207	>	int x = (int) CompletableFuture.anyOf(fs).join();
3208	>	assertTrue(i <= x && x <= k - 1);
3209	>	}
3210	>	}
3211		}
3212
3213		/**
3214	<	* runAfterBothAsync result completes exceptionally if either source cancelled
3214	>	* anyOf result completes exceptionally when any component does.
3215		*/
3216	<	public void testRunAfterBothAsync4() {
3217	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3218	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3219	<	Noop r = new Noop();
3220	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
3221	<	assertTrue(f.cancel(true));
3222	<	f2.complete(two);
3223	<	checkCompletedWithWrappedCancellationException(g);
3224	<
3225	<	r = new Noop();
3226	<	f = new CompletableFuture<Integer>();
3227	<	f2 = new CompletableFuture<Integer>();
3228	<	g = f.runAfterBothAsync(f2, r);
3229	<	f.complete(one);
3230	<	assertTrue(f2.cancel(true));
3231	<	checkCompletedWithWrappedCancellationException(g);
3216	>	public void testAnyOf_exceptional() throws Exception {
3217	>	for (int k = 0; k < 10; k++) {
3218	>	CompletableFuture[] fs = new CompletableFuture[k];
3219	>	CFException[] exs = new CFException[k];
3220	>	for (int i = 0; i < k; i++) {
3221	>	fs[i] = new CompletableFuture<>();
3222	>	exs[i] = new CFException();
3223	>	}
3224	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3225	>	checkIncomplete(f);
3226	>	for (int i = 0; i < k; i++) {
3227	>	fs[i].completeExceptionally(exs[i]);
3228	>	checkCompletedWithWrappedException(f, exs[0]);
3229	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3230	>	}
3231	>	}
3232		}
3233
3234	<	/**
3235	<	* applyToEitherAsync result completes normally after normal
3236	<	* completion of sources
3237	<	*/
3238	<	public void testApplyToEitherAsync() {
3239	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3240	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3241	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
3242	<	f.complete(one);
3243	<	checkCompletedNormally(g, two);
3244	<
3245	<	f = new CompletableFuture<Integer>();
3246	<	f.complete(one);
3247	<	f2 = new CompletableFuture<Integer>();
3248	<	g = f.applyToEitherAsync(f2, inc);
3249	<	checkCompletedNormally(g, two);
3234	>	public void testAnyOf_exceptional_backwards() throws Exception {
3235	>	for (int k = 0; k < 10; k++) {
3236	>	CompletableFuture[] fs = new CompletableFuture[k];
3237	>	CFException[] exs = new CFException[k];
3238	>	for (int i = 0; i < k; i++) {
3239	>	fs[i] = new CompletableFuture<>();
3240	>	exs[i] = new CFException();
3241	>	}
3242	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3243	>	checkIncomplete(f);
3244	>	for (int i = k - 1; i >= 0; i--) {
3245	>	fs[i].completeExceptionally(exs[i]);
3246	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3247	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3248	>	}
3249	>	}
3250		}
3251
3252		/**
3253	<	* applyToEitherAsync result completes exceptionally after exceptional
1471	<	* completion of source
3253	>	* Completion methods throw NullPointerException with null arguments
3254		*/
3255	<	public void testApplyToEitherAsync2() {
3256	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3257	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3258	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
3259	<	f.completeExceptionally(new CFException());
3260	<	checkCompletedWithWrappedCFException(g);
3255	>	@SuppressWarnings("FutureReturnValueIgnored")
3256	>	public void testNPE() {
3257	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3258	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3259	>	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3260	>	ThreadExecutor exec = new ThreadExecutor();
3261	>
3262	>	Runnable[] throwingActions = {
3263	>	() -> CompletableFuture.supplyAsync(null),
3264	>	() -> CompletableFuture.supplyAsync(null, exec),
3265	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3266	>
3267	>	() -> CompletableFuture.runAsync(null),
3268	>	() -> CompletableFuture.runAsync(null, exec),
3269	>	() -> CompletableFuture.runAsync(() -> {}, null),
3270	>
3271	>	() -> f.completeExceptionally(null),
3272	>
3273	>	() -> f.thenApply(null),
3274	>	() -> f.thenApplyAsync(null),
3275	>	() -> f.thenApplyAsync(x -> x, null),
3276	>	() -> f.thenApplyAsync(null, exec),
3277	>
3278	>	() -> f.thenAccept(null),
3279	>	() -> f.thenAcceptAsync(null),
3280	>	() -> f.thenAcceptAsync(x -> {} , null),
3281	>	() -> f.thenAcceptAsync(null, exec),
3282	>
3283	>	() -> f.thenRun(null),
3284	>	() -> f.thenRunAsync(null),
3285	>	() -> f.thenRunAsync(() -> {} , null),
3286	>	() -> f.thenRunAsync(null, exec),
3287	>
3288	>	() -> f.thenCombine(g, null),
3289	>	() -> f.thenCombineAsync(g, null),
3290	>	() -> f.thenCombineAsync(g, null, exec),
3291	>	() -> f.thenCombine(nullFuture, (x, y) -> x),
3292	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3293	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3294	>	() -> f.thenCombineAsync(g, (x, y) -> x, null),
3295	>
3296	>	() -> f.thenAcceptBoth(g, null),
3297	>	() -> f.thenAcceptBothAsync(g, null),
3298	>	() -> f.thenAcceptBothAsync(g, null, exec),
3299	>	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3300	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3301	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3302	>	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3303	>
3304	>	() -> f.runAfterBoth(g, null),
3305	>	() -> f.runAfterBothAsync(g, null),
3306	>	() -> f.runAfterBothAsync(g, null, exec),
3307	>	() -> f.runAfterBoth(nullFuture, () -> {}),
3308	>	() -> f.runAfterBothAsync(nullFuture, () -> {}),
3309	>	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3310	>	() -> f.runAfterBothAsync(g, () -> {}, null),
3311	>
3312	>	() -> f.applyToEither(g, null),
3313	>	() -> f.applyToEitherAsync(g, null),
3314	>	() -> f.applyToEitherAsync(g, null, exec),
3315	>	() -> f.applyToEither(nullFuture, x -> x),
3316	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3317	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3318	>	() -> f.applyToEitherAsync(g, x -> x, null),
3319	>
3320	>	() -> f.acceptEither(g, null),
3321	>	() -> f.acceptEitherAsync(g, null),
3322	>	() -> f.acceptEitherAsync(g, null, exec),
3323	>	() -> f.acceptEither(nullFuture, x -> {}),
3324	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3325	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3326	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3327	>
3328	>	() -> f.runAfterEither(g, null),
3329	>	() -> f.runAfterEitherAsync(g, null),
3330	>	() -> f.runAfterEitherAsync(g, null, exec),
3331	>	() -> f.runAfterEither(nullFuture, () -> {}),
3332	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
3333	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3334	>	() -> f.runAfterEitherAsync(g, () -> {}, null),
3335	>
3336	>	() -> f.thenCompose(null),
3337	>	() -> f.thenComposeAsync(null),
3338	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3339	>	() -> f.thenComposeAsync(null, exec),
3340	>
3341	>	() -> f.exceptionally(null),
3342	>
3343	>	() -> f.handle(null),
3344	>
3345	>	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
3346	>	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3347	>	() -> CompletableFuture.allOf(f, null),
3348	>	() -> CompletableFuture.allOf(null, f),
3349	>
3350	>	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3351	>	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3352	>	() -> CompletableFuture.anyOf(f, null),
3353	>	() -> CompletableFuture.anyOf(null, f),
3354	>
3355	>	() -> f.obtrudeException(null),
3356	>
3357	>	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3358	>	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3359	>	() -> CompletableFuture.delayedExecutor(1L, null),
3360	>
3361	>	() -> f.orTimeout(1L, null),
3362	>	() -> f.completeOnTimeout(42, 1L, null),
3363	>
3364	>	() -> CompletableFuture.failedFuture(null),
3365	>	() -> CompletableFuture.failedStage(null),
3366	>	};
3367	>
3368	>	assertThrows(NullPointerException.class, throwingActions);
3369	>	assertEquals(0, exec.count.get());
3370	>	}
3371	>
3372	>	/**
3373	>	* Test submissions to an executor that rejects all tasks.
3374	>	*/
3375	>	public void testRejectingExecutor() {
3376	>	for (Integer v : new Integer[] { 1, null })
3377	>	{
3378	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3379	>
3380	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3381	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3382	>
3383	>	List<CompletableFuture<?>> futures = new ArrayList<>();
3384	>
3385	>	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3386	>	srcs.add(complete);
3387	>	srcs.add(incomplete);
3388	>
3389	>	for (CompletableFuture<Integer> src : srcs) {
3390	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3391	>	fs.add(src.thenRunAsync(() -> {}, e));
3392	>	fs.add(src.thenAcceptAsync(z -> {}, e));
3393	>	fs.add(src.thenApplyAsync(z -> z, e));
3394	>
3395	>	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3396	>	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3397	>	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3398	>
3399	>	fs.add(src.applyToEitherAsync(src, z -> z, e));
3400	>	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3401	>	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3402	>
3403	>	fs.add(src.thenComposeAsync(z -> null, e));
3404	>	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3405	>	fs.add(src.handleAsync((z, t) -> null, e));
3406	>
3407	>	for (CompletableFuture<?> future : fs) {
3408	>	if (src.isDone())
3409	>	checkCompletedWithWrappedException(future, e.ex);
3410	>	else
3411	>	checkIncomplete(future);
3412	>	}
3413	>	futures.addAll(fs);
3414	>	}
3415
3416	<	f = new CompletableFuture<Integer>();
3417	<	f2 = new CompletableFuture<Integer>();
1482	<	f2.completeExceptionally(new CFException());
1483	<	g = f.applyToEitherAsync(f2, inc);
1484	<	f.complete(one);
1485	<	checkCompletedWithWrappedCFException(g);
1486	<	}
3416	>	{
3417	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3418
3419	<	/**
3420	<	* applyToEitherAsync result completes exceptionally if action does
1490	<	*/
1491	<	public void testApplyToEitherAsync3() {
1492	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1493	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1494	<	FailingFunction r = new FailingFunction();
1495	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1496	<	f.complete(one);
1497	<	checkCompletedWithWrappedCFException(g);
1498	<	}
3419	>	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3420	>	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3421
3422	<	/**
3423	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1502	<	*/
1503	<	public void testApplyToEitherAsync4() {
1504	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1505	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1506	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1507	<	assertTrue(f.cancel(true));
1508	<	checkCompletedWithWrappedCancellationException(g);
3422	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3423	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3424
3425	<	f = new CompletableFuture<Integer>();
3426	<	f2 = new CompletableFuture<Integer>();
1512	<	assertTrue(f2.cancel(true));
1513	<	g = f.applyToEitherAsync(f2, inc);
1514	<	checkCompletedWithWrappedCancellationException(g);
1515	<	}
3425	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3426	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3427
3428	<	/**
3429	<	* acceptEitherAsync result completes normally after normal
3430	<	* completion of sources
3431	<	*/
1521	<	public void testAcceptEitherAsync() {
1522	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1523	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1524	<	IncAction r = new IncAction();
1525	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1526	<	f.complete(one);
1527	<	checkCompletedNormally(g, null);
1528	<	assertEquals(r.value, 2);
3428	>	for (CompletableFuture<?> future : fs)
3429	>	checkIncomplete(future);
3430	>	futures.addAll(fs);
3431	>	}
3432
3433	<	r = new IncAction();
3434	<	f = new CompletableFuture<Integer>();
1532	<	f.complete(one);
1533	<	f2 = new CompletableFuture<Integer>();
1534	<	g = f.acceptEitherAsync(f2, r);
1535	<	checkCompletedNormally(g, null);
1536	<	assertEquals(r.value, 2);
1537	<	}
3433	>	{
3434	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3435
3436	<	/**
3437	<	* acceptEitherAsync result completes exceptionally after exceptional
1541	<	* completion of source
1542	<	*/
1543	<	public void testAcceptEitherAsync2() {
1544	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1545	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1546	<	IncAction r = new IncAction();
1547	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1548	<	f.completeExceptionally(new CFException());
1549	<	checkCompletedWithWrappedCFException(g);
3436	>	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3437	>	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3438
3439	<	r = new IncAction();
3440	<	f = new CompletableFuture<Integer>();
1553	<	f2 = new CompletableFuture<Integer>();
1554	<	f2.completeExceptionally(new CFException());
1555	<	g = f.acceptEitherAsync(f2, r);
1556	<	f.complete(one);
1557	<	checkCompletedWithWrappedCFException(g);
1558	<	}
3439	>	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3440	>	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3441
3442	<	/**
3443	<	* acceptEitherAsync result completes exceptionally if action does
1562	<	*/
1563	<	public void testAcceptEitherAsync3() {
1564	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1565	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1566	<	FailingConsumer r = new FailingConsumer();
1567	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1568	<	f.complete(one);
1569	<	checkCompletedWithWrappedCFException(g);
1570	<	}
3442	>	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3443	>	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3444
3445	<	/**
3446	<	* acceptEitherAsync result completes exceptionally if either
3447	<	* source cancelled
3448	<	*/
1576	<	public void testAcceptEitherAsync4() {
1577	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1578	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1579	<	IncAction r = new IncAction();
1580	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1581	<	assertTrue(f.cancel(true));
1582	<	checkCompletedWithWrappedCancellationException(g);
3445	>	for (CompletableFuture<?> future : fs)
3446	>	checkCompletedWithWrappedException(future, e.ex);
3447	>	futures.addAll(fs);
3448	>	}
3449
3450	<	r = new IncAction();
1585	<	f = new CompletableFuture<Integer>();
1586	<	f2 = new CompletableFuture<Integer>();
1587	<	assertTrue(f2.cancel(true));
1588	<	g = f.acceptEitherAsync(f2, r);
1589	<	checkCompletedWithWrappedCancellationException(g);
1590	<	}
3450	>	incomplete.complete(v);
3451
3452	<	/**
3453	<	* runAfterEitherAsync result completes normally after normal
1594	<	* completion of sources
1595	<	*/
1596	<	public void testRunAfterEitherAsync() {
1597	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1598	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1599	<	Noop r = new Noop();
1600	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1601	<	f.complete(one);
1602	<	checkCompletedNormally(g, null);
1603	<	assertTrue(r.ran);
3452	>	for (CompletableFuture<?> future : futures)
3453	>	checkCompletedWithWrappedException(future, e.ex);
3454
3455	<	r = new Noop();
3456	<	f = new CompletableFuture<Integer>();
1607	<	f.complete(one);
1608	<	f2 = new CompletableFuture<Integer>();
1609	<	g = f.runAfterEitherAsync(f2, r);
1610	<	checkCompletedNormally(g, null);
1611	<	assertTrue(r.ran);
1612	<	}
3455	>	assertEquals(futures.size(), e.count.get());
3456	>	}}
3457
3458		/**
3459	<	* runAfterEitherAsync result completes exceptionally after exceptional
3460	<	* completion of source
3459	>	* Test submissions to an executor that rejects all tasks, but
3460	>	* should never be invoked because the dependent future is
3461	>	* explicitly completed.
3462		*/
3463	<	public void testRunAfterEitherAsync2() {
3464	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3465	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3466	<	Noop r = new Noop();
1622	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1623	<	f.completeExceptionally(new CFException());
1624	<	checkCompletedWithWrappedCFException(g);
3463	>	public void testRejectingExecutorNeverInvoked() {
3464	>	for (Integer v : new Integer[] { 1, null })
3465	>	{
3466	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3467
3468	<	r = new Noop();
3469	<	f = new CompletableFuture<Integer>();
1628	<	f2 = new CompletableFuture<Integer>();
1629	<	f2.completeExceptionally(new CFException());
1630	<	g = f.runAfterEitherAsync(f2, r);
1631	<	f.complete(one);
1632	<	checkCompletedWithWrappedCFException(g);
1633	<	}
1634	<
1635	<	/**
1636	<	* runAfterEitherAsync result completes exceptionally if action does
1637	<	*/
1638	<	public void testRunAfterEitherAsync3() {
1639	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1640	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1641	<	FailingNoop r = new FailingNoop();
1642	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1643	<	f.complete(one);
1644	<	checkCompletedWithWrappedCFException(g);
1645	<	}
3468	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3469	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3470
3471	<	/**
1648	<	* runAfterEitherAsync result completes exceptionally if either
1649	<	* source cancelled
1650	<	*/
1651	<	public void testRunAfterEitherAsync4() {
1652	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1653	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1654	<	Noop r = new Noop();
1655	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1656	<	assertTrue(f.cancel(true));
1657	<	checkCompletedWithWrappedCancellationException(g);
3471	>	List<CompletableFuture<?>> futures = new ArrayList<>();
3472
3473	<	r = new Noop();
3474	<	f = new CompletableFuture<Integer>();
3475	<	f2 = new CompletableFuture<Integer>();
1662	<	assertTrue(f2.cancel(true));
1663	<	g = f.runAfterEitherAsync(f2, r);
1664	<	checkCompletedWithWrappedCancellationException(g);
1665	<	}
3473	>	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3474	>	srcs.add(complete);
3475	>	srcs.add(incomplete);
3476
3477	<	/**
3478	<	* thenComposeAsync result completes normally after normal
3479	<	* completion of source
3480	<	*/
1671	<	public void testThenComposeAsync() {
1672	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1673	<	CompletableFutureInc r = new CompletableFutureInc();
1674	<	CompletableFuture<Integer> g = f.thenComposeAsync(r);
1675	<	f.complete(one);
1676	<	checkCompletedNormally(g, two);
1677	<	}
3477	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3478	>	fs.add(incomplete.thenRunAsync(() -> {}, e));
3479	>	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3480	>	fs.add(incomplete.thenApplyAsync(z -> z, e));
3481
3482	<	/**
3483	<	* thenComposeAsync result completes exceptionally after
3484	<	* exceptional completion of source
1682	<	*/
1683	<	public void testThenComposeAsync2() {
1684	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1685	<	CompletableFutureInc r = new CompletableFutureInc();
1686	<	CompletableFuture<Integer> g = f.thenComposeAsync(r);
1687	<	f.completeExceptionally(new CFException());
1688	<	checkCompletedWithWrappedCFException(g);
1689	<	}
3482	>	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3483	>	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3484	>	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3485
3486	<	/**
3487	<	* thenComposeAsync result completes exceptionally if action does
3488	<	*/
1694	<	public void testThenComposeAsync3() {
1695	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1696	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
1697	<	CompletableFuture<Integer> g = f.thenComposeAsync(r);
1698	<	f.complete(one);
1699	<	checkCompletedWithWrappedCFException(g);
1700	<	}
3486	>	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3487	>	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3488	>	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3489
3490	<	/**
3491	<	* thenComposeAsync result completes exceptionally if source cancelled
3492	<	*/
1705	<	public void testThenComposeAsync4() {
1706	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1707	<	CompletableFutureInc r = new CompletableFutureInc();
1708	<	CompletableFuture<Integer> g = f.thenComposeAsync(r);
1709	<	assertTrue(f.cancel(true));
1710	<	checkCompletedWithWrappedCancellationException(g);
1711	<	}
3490	>	fs.add(incomplete.thenComposeAsync(z -> null, e));
3491	>	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3492	>	fs.add(incomplete.handleAsync((z, t) -> null, e));
3493
3494	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3495	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3496
3497	<	// async with explicit executors
3497	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3498	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3499
3500	<	/**
3501	<	* thenRunAsync result completes normally after normal completion of source
1718	<	*/
1719	<	public void testThenRunAsyncE() {
1720	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1721	<	Noop r = new Noop();
1722	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
1723	<	f.complete(null);
1724	<	checkCompletedNormally(g, null);
3500	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3501	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3502
3503	<	// reordered version
3504	<	f = new CompletableFuture<Integer>();
1728	<	f.complete(null);
1729	<	r = new Noop();
1730	<	g = f.thenRunAsync(r, new ThreadExecutor());
1731	<	checkCompletedNormally(g, null);
1732	<	}
3503	>	for (CompletableFuture<?> future : fs)
3504	>	checkIncomplete(future);
3505
3506	<	/**
3507	<	* thenRunAsync result completes exceptionally after exceptional
1736	<	* completion of source
1737	<	*/
1738	<	public void testThenRunAsync2E() {
1739	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1740	<	Noop r = new Noop();
1741	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
1742	<	f.completeExceptionally(new CFException());
1743	<	try {
1744	<	g.join();
1745	<	shouldThrow();
1746	<	} catch (Exception ok) {
1747	<	}
1748	<	checkCompletedWithWrappedCFException(g);
1749	<	}
3506	>	for (CompletableFuture<?> future : fs)
3507	>	future.complete(null);
3508
3509	<	/**
1752	<	* thenRunAsync result completes exceptionally if action does
1753	<	*/
1754	<	public void testThenRunAsync3E() {
1755	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1756	<	FailingNoop r = new FailingNoop();
1757	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
1758	<	f.complete(null);
1759	<	checkCompletedWithWrappedCFException(g);
1760	<	}
3509	>	incomplete.complete(v);
3510
3511	<	/**
3512	<	* thenRunAsync result completes exceptionally if source cancelled
1764	<	*/
1765	<	public void testThenRunAsync4E() {
1766	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1767	<	Noop r = new Noop();
1768	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
1769	<	assertTrue(f.cancel(true));
1770	<	checkCompletedWithWrappedCancellationException(g);
1771	<	}
3511	>	for (CompletableFuture<?> future : fs)
3512	>	checkCompletedNormally(future, null);
3513
3514	<	/**
3515	<	* thenApplyAsync result completes normally after normal completion of source
1775	<	*/
1776	<	public void testThenApplyAsyncE() {
1777	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1778	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
1779	<	f.complete(one);
1780	<	checkCompletedNormally(g, two);
1781	<	}
3514	>	assertEquals(0, e.count.get());
3515	>	}}
3516
3517		/**
3518	<	* thenApplyAsync result completes exceptionally after exceptional
1785	<	* completion of source
3518	>	* toCompletableFuture returns this CompletableFuture.
3519		*/
3520	<	public void testThenApplyAsync2E() {
3521	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3522	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
1790	<	f.completeExceptionally(new CFException());
1791	<	checkCompletedWithWrappedCFException(g);
3520	>	public void testToCompletableFuture() {
3521	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3522	>	assertSame(f, f.toCompletableFuture());
3523		}
3524
3525	<	/**
1795	<	* thenApplyAsync result completes exceptionally if action does
1796	<	*/
1797	<	public void testThenApplyAsync3E() {
1798	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1799	<	FailingFunction r = new FailingFunction();
1800	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
1801	<	f.complete(null);
1802	<	checkCompletedWithWrappedCFException(g);
1803	<	}
3525	>	// jdk9
3526
3527		/**
3528	<	* thenApplyAsync result completes exceptionally if source cancelled
3528	>	* newIncompleteFuture returns an incomplete CompletableFuture
3529		*/
3530	<	public void testThenApplyAsync4E() {
3531	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3532	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3533	<	assertTrue(f.cancel(true));
3534	<	checkCompletedWithWrappedCancellationException(g);
3535	<	}
3530	>	public void testNewIncompleteFuture() {
3531	>	for (Integer v1 : new Integer[] { 1, null })
3532	>	{
3533	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3534	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3535	>	checkIncomplete(f);
3536	>	checkIncomplete(g);
3537	>	f.complete(v1);
3538	>	checkCompletedNormally(f, v1);
3539	>	checkIncomplete(g);
3540	>	g.complete(v1);
3541	>	checkCompletedNormally(g, v1);
3542	>	assertSame(g.getClass(), CompletableFuture.class);
3543	>	}}
3544
3545		/**
3546	<	* thenAcceptAsync result completes normally after normal
1817	<	* completion of source
3546	>	* completedStage returns a completed CompletionStage
3547		*/
3548	<	public void testThenAcceptAsyncE() {
3549	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3550	<	IncAction r = new IncAction();
3551	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3552	<	f.complete(one);
3553	<	checkCompletedNormally(g, null);
3554	<	assertEquals(r.value, 2);
3548	>	public void testCompletedStage() {
3549	>	AtomicInteger x = new AtomicInteger(0);
3550	>	AtomicReference<Throwable> r = new AtomicReference<>();
3551	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3552	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3553	>	assertEquals(x.get(), 1);
3554	>	assertNull(r.get());
3555		}
3556
3557		/**
3558	<	* thenAcceptAsync result completes exceptionally after exceptional
3559	<	* completion of source
3558	>	* defaultExecutor by default returns the commonPool if
3559	>	* it supports more than one thread.
3560		*/
3561	<	public void testThenAcceptAsync2E() {
3562	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3563	<	IncAction r = new IncAction();
3564	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3565	<	f.completeExceptionally(new CFException());
3566	<	checkCompletedWithWrappedCFException(g);
3561	>	public void testDefaultExecutor() {
3562	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3563	>	Executor e = f.defaultExecutor();
3564	>	Executor c = ForkJoinPool.commonPool();
3565	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3566	>	assertSame(e, c);
3567	>	else
3568	>	assertNotSame(e, c);
3569		}
3570
3571		/**
3572	<	* thenAcceptAsync result completes exceptionally if action does
3572	>	* failedFuture returns a CompletableFuture completed
3573	>	* exceptionally with the given Exception
3574		*/
3575	<	public void testThenAcceptAsync3E() {
3576	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3577	<	FailingConsumer r = new FailingConsumer();
3578	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
1847	<	f.complete(null);
1848	<	checkCompletedWithWrappedCFException(g);
3575	>	public void testFailedFuture() {
3576	>	CFException ex = new CFException();
3577	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3578	>	checkCompletedExceptionally(f, ex);
3579		}
3580
3581		/**
3582	<	* thenAcceptAsync result completes exceptionally if source cancelled
1853	<	*/
1854	<	public void testThenAcceptAsync4E() {
1855	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1856	<	IncAction r = new IncAction();
1857	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
1858	<	assertTrue(f.cancel(true));
1859	<	checkCompletedWithWrappedCancellationException(g);
1860	<	}
1861	<	/**
1862	<	* thenCombineAsync result completes normally after normal
1863	<	* completion of sources
3582	>	* failedFuture(null) throws NPE
3583		*/
3584	<	public void testThenCombineAsyncE() {
3585	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3586	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3587	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add, new ThreadExecutor());
3588	<	f.complete(one);
1870	<	checkIncomplete(g);
1871	<	f2.complete(two);
1872	<	checkCompletedNormally(g, three);
3584	>	public void testFailedFuture_null() {
3585	>	try {
3586	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3587	>	shouldThrow();
3588	>	} catch (NullPointerException success) {}
3589		}
3590
3591		/**
3592	<	* thenCombineAsync result completes exceptionally after exceptional
3593	<	* completion of source
3592	>	* copy returns a CompletableFuture that is completed normally,
3593	>	* with the same value, when source is.
3594		*/
3595	<	public void testThenCombineAsync2E() {
3596	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3597	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3598	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add, new ThreadExecutor());
3599	<	f.completeExceptionally(new CFException());
3600	<	f2.complete(two);
3601	<	checkCompletedWithWrappedCFException(g);
3602	<
3603	<	f = new CompletableFuture<Integer>();
3604	<	f2 = new CompletableFuture<Integer>();
3605	<	g = f.thenCombineAsync(f2, add, new ThreadExecutor());
3606	<	f.complete(one);
3607	<	f2.completeExceptionally(new CFException());
3608	<	checkCompletedWithWrappedCFException(g);
3609	<	}
3610	<
3611	<	/**
3612	<	* thenCombineAsync result completes exceptionally if action does
3613	<	*/
3614	<	public void testThenCombineAsync3E() {
3615	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3616	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3617	<	FailingBiFunction r = new FailingBiFunction();
3618	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
3619	<	f.complete(one);
3620	<	checkIncomplete(g);
3621	<	f2.complete(two);
3622	<	checkCompletedWithWrappedCFException(g);
3623	<	}
3595	>	public void testCopy_normalCompletion() {
3596	>	for (boolean createIncomplete : new boolean[] { true, false })
3597	>	for (Integer v1 : new Integer[] { 1, null })
3598	>	{
3599	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3600	>	if (!createIncomplete) assertTrue(f.complete(v1));
3601	>	CompletableFuture<Integer> g = f.copy();
3602	>	if (createIncomplete) {
3603	>	checkIncomplete(f);
3604	>	checkIncomplete(g);
3605	>	assertTrue(f.complete(v1));
3606	>	}
3607	>	checkCompletedNormally(f, v1);
3608	>	checkCompletedNormally(g, v1);
3609	>	}}
3610	>
3611	>	/**
3612	>	* copy returns a CompletableFuture that is completed exceptionally
3613	>	* when source is.
3614	>	*/
3615	>	public void testCopy_exceptionalCompletion() {
3616	>	for (boolean createIncomplete : new boolean[] { true, false })
3617	>	{
3618	>	CFException ex = new CFException();
3619	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3620	>	if (!createIncomplete) f.completeExceptionally(ex);
3621	>	CompletableFuture<Integer> g = f.copy();
3622	>	if (createIncomplete) {
3623	>	checkIncomplete(f);
3624	>	checkIncomplete(g);
3625	>	f.completeExceptionally(ex);
3626	>	}
3627	>	checkCompletedExceptionally(f, ex);
3628	>	checkCompletedWithWrappedException(g, ex);
3629	>	}}
3630
3631		/**
3632	<	* thenCombineAsync result completes exceptionally if either source cancelled
3633	<	*/
3634	<	public void testThenCombineAsync4E() {
3635	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3636	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3637	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, add, new ThreadExecutor());
3638	<	assertTrue(f.cancel(true));
3639	<	f2.complete(two);
3640	<	checkCompletedWithWrappedCancellationException(g);
3641	<
1920	<	f = new CompletableFuture<Integer>();
1921	<	f2 = new CompletableFuture<Integer>();
1922	<	g = f.thenCombineAsync(f2, add, new ThreadExecutor());
1923	<	f.complete(one);
1924	<	assertTrue(f2.cancel(true));
1925	<	checkCompletedWithWrappedCancellationException(g);
3632	>	* Completion of a copy does not complete its source.
3633	>	*/
3634	>	public void testCopy_oneWayPropagation() {
3635	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3636	>	assertTrue(f.copy().complete(1));
3637	>	assertTrue(f.copy().complete(null));
3638	>	assertTrue(f.copy().cancel(true));
3639	>	assertTrue(f.copy().cancel(false));
3640	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3641	>	checkIncomplete(f);
3642		}
3643
3644		/**
3645	<	* thenAcceptBothAsync result completes normally after normal
3646	<	* completion of sources
3645	>	* minimalCompletionStage returns a CompletableFuture that is
3646	>	* completed normally, with the same value, when source is.
3647		*/
3648	<	public void testThenAcceptBothAsyncE() {
3649	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3650	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3651	<	AddAction r = new AddAction();
3652	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
3653	<	f.complete(one);
3654	<	checkIncomplete(g);
3655	<	f2.complete(two);
3656	<	checkCompletedNormally(g, null);
3657	<	assertEquals(r.value, 3);
3648	>	public void testMinimalCompletionStage() {
3649	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3650	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3651	>	AtomicInteger x = new AtomicInteger(0);
3652	>	AtomicReference<Throwable> r = new AtomicReference<>();
3653	>	checkIncomplete(f);
3654	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3655	>	f.complete(1);
3656	>	checkCompletedNormally(f, 1);
3657	>	assertEquals(x.get(), 1);
3658	>	assertNull(r.get());
3659		}
3660
3661		/**
3662	<	* thenAcceptBothAsync result completes exceptionally after exceptional
3663	<	* completion of source
3662	>	* minimalCompletionStage returns a CompletableFuture that is
3663	>	* completed exceptionally when source is.
3664		*/
3665	<	public void testThenAcceptBothAsync2E() {
3666	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3667	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3668	<	AddAction r = new AddAction();
3669	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
3670	<	f.completeExceptionally(new CFException());
3671	<	f2.complete(two);
3672	<	checkCompletedWithWrappedCFException(g);
3673	<
3674	<	r = new AddAction();
3675	<	f = new CompletableFuture<Integer>();
3676	<	f2 = new CompletableFuture<Integer>();
1960	<	g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
1961	<	f.complete(one);
1962	<	f2.completeExceptionally(new CFException());
1963	<	checkCompletedWithWrappedCFException(g);
1964	<	}
1965	<
1966	<	/**
1967	<	* thenAcceptBothAsync result completes exceptionally if action does
1968	<	*/
1969	<	public void testThenAcceptBothAsync3E() {
1970	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
1971	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
1972	<	FailingBiConsumer r = new FailingBiConsumer();
1973	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
1974	<	f.complete(one);
1975	<	checkIncomplete(g);
1976	<	f2.complete(two);
1977	<	checkCompletedWithWrappedCFException(g);
3665	>	public void testMinimalCompletionStage2() {
3666	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3667	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3668	>	AtomicInteger x = new AtomicInteger(0);
3669	>	AtomicReference<Throwable> r = new AtomicReference<>();
3670	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3671	>	checkIncomplete(f);
3672	>	CFException ex = new CFException();
3673	>	f.completeExceptionally(ex);
3674	>	checkCompletedExceptionally(f, ex);
3675	>	assertEquals(x.get(), 0);
3676	>	assertEquals(r.get().getCause(), ex);
3677		}
3678
3679		/**
3680	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
3680	>	* failedStage returns a CompletionStage completed
3681	>	* exceptionally with the given Exception
3682		*/
3683	<	public void testThenAcceptBothAsync4E() {
3684	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3685	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3686	<	AddAction r = new AddAction();
3687	<	CompletableFuture<Void> g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
3688	<	assertTrue(f.cancel(true));
3689	<	f2.complete(two);
3690	<	checkCompletedWithWrappedCancellationException(g);
1991	<
1992	<	r = new AddAction();
1993	<	f = new CompletableFuture<Integer>();
1994	<	f2 = new CompletableFuture<Integer>();
1995	<	g = f.thenAcceptBothAsync(f2, r, new ThreadExecutor());
1996	<	f.complete(one);
1997	<	assertTrue(f2.cancel(true));
1998	<	checkCompletedWithWrappedCancellationException(g);
3683	>	public void testFailedStage() {
3684	>	CFException ex = new CFException();
3685	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3686	>	AtomicInteger x = new AtomicInteger(0);
3687	>	AtomicReference<Throwable> r = new AtomicReference<>();
3688	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3689	>	assertEquals(x.get(), 0);
3690	>	assertEquals(r.get(), ex);
3691		}
3692
3693		/**
3694	<	* runAfterBothAsync result completes normally after normal
2003	<	* completion of sources
3694	>	* completeAsync completes with value of given supplier
3695		*/
3696	<	public void testRunAfterBothAsyncE() {
3697	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3698	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3699	<	Noop r = new Noop();
3700	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
3701	<	f.complete(one);
3702	<	checkIncomplete(g);
3703	<	f2.complete(two);
2013	<	checkCompletedNormally(g, null);
2014	<	assertTrue(r.ran);
2015	<	}
3696	>	public void testCompleteAsync() {
3697	>	for (Integer v1 : new Integer[] { 1, null })
3698	>	{
3699	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3700	>	f.completeAsync(() -> v1);
3701	>	f.join();
3702	>	checkCompletedNormally(f, v1);
3703	>	}}
3704
3705		/**
3706	<	* runAfterBothAsync result completes exceptionally after exceptional
2019	<	* completion of source
3706	>	* completeAsync completes exceptionally if given supplier throws
3707		*/
3708	<	public void testRunAfterBothAsync2E() {
3709	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3710	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3711	<	Noop r = new Noop();
3712	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
3713	<	f.completeExceptionally(new CFException());
3714	<	f2.complete(two);
3715	<	checkCompletedWithWrappedCFException(g);
3716	<
2030	<	r = new Noop();
2031	<	f = new CompletableFuture<Integer>();
2032	<	f2 = new CompletableFuture<Integer>();
2033	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2034	<	f.complete(one);
2035	<	f2.completeExceptionally(new CFException());
2036	<	checkCompletedWithWrappedCFException(g);
2037	<	}
2038	<
2039	<	/**
2040	<	* runAfterBothAsync result completes exceptionally if action does
2041	<	*/
2042	<	public void testRunAfterBothAsync3E() {
2043	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2044	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2045	<	FailingNoop r = new FailingNoop();
2046	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2047	<	f.complete(one);
2048	<	checkIncomplete(g);
2049	<	f2.complete(two);
2050	<	checkCompletedWithWrappedCFException(g);
3708	>	public void testCompleteAsync2() {
3709	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3710	>	CFException ex = new CFException();
3711	>	f.completeAsync(() -> { throw ex; });
3712	>	try {
3713	>	f.join();
3714	>	shouldThrow();
3715	>	} catch (CompletionException success) {}
3716	>	checkCompletedWithWrappedException(f, ex);
3717		}
3718
3719		/**
3720	<	* runAfterBothAsync result completes exceptionally if either source cancelled
3720	>	* completeAsync with given executor completes with value of given supplier
3721		*/
3722	<	public void testRunAfterBothAsync4E() {
3723	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3724	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3725	<	Noop r = new Noop();
3726	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
3727	<	assertTrue(f.cancel(true));
3728	<	f2.complete(two);
3729	<	checkCompletedWithWrappedCancellationException(g);
3730	<
3731	<	r = new Noop();
2066	<	f = new CompletableFuture<Integer>();
2067	<	f2 = new CompletableFuture<Integer>();
2068	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2069	<	f.complete(one);
2070	<	assertTrue(f2.cancel(true));
2071	<	checkCompletedWithWrappedCancellationException(g);
2072	<	}
3722	>	public void testCompleteAsync3() {
3723	>	for (Integer v1 : new Integer[] { 1, null })
3724	>	{
3725	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3726	>	ThreadExecutor executor = new ThreadExecutor();
3727	>	f.completeAsync(() -> v1, executor);
3728	>	assertSame(v1, f.join());
3729	>	checkCompletedNormally(f, v1);
3730	>	assertEquals(1, executor.count.get());
3731	>	}}
3732
3733		/**
3734	<	* applyToEitherAsync result completes normally after normal
3735	<	* completion of sources
3734	>	* completeAsync with given executor completes exceptionally if
3735	>	* given supplier throws
3736		*/
3737	<	public void testApplyToEitherAsyncE() {
3738	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3739	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3740	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3741	<	f.complete(one);
3742	<	checkCompletedNormally(g, two);
3743	<
3744	<	f = new CompletableFuture<Integer>();
3745	<	f.complete(one);
3746	<	f2 = new CompletableFuture<Integer>();
3747	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3748	<	checkCompletedNormally(g, two);
3749	<	}
3737	>	public void testCompleteAsync4() {
3738	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3739	>	CFException ex = new CFException();
3740	>	ThreadExecutor executor = new ThreadExecutor();
3741	>	f.completeAsync(() -> { throw ex; }, executor);
3742	>	try {
3743	>	f.join();
3744	>	shouldThrow();
3745	>	} catch (CompletionException success) {}
3746	>	checkCompletedWithWrappedException(f, ex);
3747	>	assertEquals(1, executor.count.get());
3748	>	}
3749	>
3750	>	/**
3751	>	* orTimeout completes with TimeoutException if not complete
3752	>	*/
3753	>	public void testOrTimeout_timesOut() {
3754	>	long timeoutMillis = timeoutMillis();
3755	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3756	>	long startTime = System.nanoTime();
3757	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3758	>	checkCompletedWithTimeoutException(f);
3759	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3760	>	}
3761	>
3762	>	/**
3763	>	* orTimeout completes normally if completed before timeout
3764	>	*/
3765	>	public void testOrTimeout_completed() {
3766	>	for (Integer v1 : new Integer[] { 1, null })
3767	>	{
3768	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3769	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3770	>	long startTime = System.nanoTime();
3771	>	f.complete(v1);
3772	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3773	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3774	>	g.complete(v1);
3775	>	checkCompletedNormally(f, v1);
3776	>	checkCompletedNormally(g, v1);
3777	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3778	>	}}
3779	>
3780	>	/**
3781	>	* completeOnTimeout completes with given value if not complete
3782	>	*/
3783	>	public void testCompleteOnTimeout_timesOut() {
3784	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3785	>	() -> testCompleteOnTimeout_timesOut(null));
3786	>	}
3787	>
3788	>	/**
3789	>	* completeOnTimeout completes with given value if not complete
3790	>	*/
3791	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3792	>	long timeoutMillis = timeoutMillis();
3793	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3794	>	long startTime = System.nanoTime();
3795	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3796	>	assertSame(v, f.join());
3797	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3798	>	f.complete(99);         // should have no effect
3799	>	checkCompletedNormally(f, v);
3800	>	}
3801	>
3802	>	/**
3803	>	* completeOnTimeout has no effect if completed within timeout
3804	>	*/
3805	>	public void testCompleteOnTimeout_completed() {
3806	>	for (Integer v1 : new Integer[] { 1, null })
3807	>	{
3808	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3809	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3810	>	long startTime = System.nanoTime();
3811	>	f.complete(v1);
3812	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3813	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3814	>	g.complete(v1);
3815	>	checkCompletedNormally(f, v1);
3816	>	checkCompletedNormally(g, v1);
3817	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3818	>	}}
3819	>
3820	>	/**
3821	>	* delayedExecutor returns an executor that delays submission
3822	>	*/
3823	>	public void testDelayedExecutor() {
3824	>	testInParallel(() -> testDelayedExecutor(null, null),
3825	>	() -> testDelayedExecutor(null, 1),
3826	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3827	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3828	>	}
3829	>
3830	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3831	>	long timeoutMillis = timeoutMillis();
3832	>	// Use an "unreasonably long" long timeout to catch lingering threads
3833	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3834	>	final Executor delayer, longDelayer;
3835	>	if (executor == null) {
3836	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3837	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3838	>	} else {
3839	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3840	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3841	>	}
3842	>	long startTime = System.nanoTime();
3843	>	CompletableFuture<Integer> f =
3844	>	CompletableFuture.supplyAsync(() -> v, delayer);
3845	>	CompletableFuture<Integer> g =
3846	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3847	>
3848	>	assertNull(g.getNow(null));
3849	>
3850	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3851	>	long millisElapsed = millisElapsedSince(startTime);
3852	>	assertTrue(millisElapsed >= timeoutMillis);
3853	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3854
3855	<	/**
2093	<	* applyToEitherAsync result completes exceptionally after exceptional
2094	<	* completion of source
2095	<	*/
2096	<	public void testApplyToEitherAsync2E() {
2097	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2098	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2099	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2100	<	f.completeExceptionally(new CFException());
2101	<	checkCompletedWithWrappedCFException(g);
3855	>	checkCompletedNormally(f, v);
3856
3857	<	f = new CompletableFuture<Integer>();
3858	<	f2 = new CompletableFuture<Integer>();
2105	<	f2.completeExceptionally(new CFException());
2106	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2107	<	f.complete(one);
2108	<	checkCompletedWithWrappedCFException(g);
3857	>	checkIncomplete(g);
3858	>	assertTrue(g.cancel(true));
3859		}
3860
3861	<	/**
2112	<	* applyToEitherAsync result completes exceptionally if action does
2113	<	*/
2114	<	public void testApplyToEitherAsync3E() {
2115	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2116	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
2117	<	FailingFunction r = new FailingFunction();
2118	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2119	<	f.complete(one);
2120	<	checkCompletedWithWrappedCFException(g);
2121	<	}
3861	>	//--- tests of implementation details; not part of official tck ---
3862
3863	<	/**
3864	<	* applyToEitherAsync result completes exceptionally if either source cancelled
3865	<	*/
3866	<	public void testApplyToEitherAsync4E() {
3867	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3868	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3869	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3870	<	assertTrue(f.cancel(true));
3871	<	checkCompletedWithWrappedCancellationException(g);
3863	>	Object resultOf(CompletableFuture<?> f) {
3864	>	SecurityManager sm = System.getSecurityManager();
3865	>	if (sm != null) {
3866	>	try {
3867	>	System.setSecurityManager(null);
3868	>	} catch (SecurityException giveUp) {
3869	>	return "Reflection not available";
3870	>	}
3871	>	}
3872
3873	<	f = new CompletableFuture<Integer>();
3874	<	f2 = new CompletableFuture<Integer>();
3875	<	assertTrue(f2.cancel(true));
3876	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3877	<	checkCompletedWithWrappedCancellationException(g);
3873	>	try {
3874	>	java.lang.reflect.Field resultField
3875	>	= CompletableFuture.class.getDeclaredField("result");
3876	>	resultField.setAccessible(true);
3877	>	return resultField.get(f);
3878	>	} catch (Throwable t) {
3879	>	throw new AssertionError(t);
3880	>	} finally {
3881	>	if (sm != null) System.setSecurityManager(sm);
3882	>	}
3883		}
3884
3885	<	/**
3886	<	* acceptEitherAsync result completes normally after normal
3887	<	* completion of sources
3888	<	*/
3889	<	public void testAcceptEitherAsyncE() {
3890	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3891	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3892	<	IncAction r = new IncAction();
3893	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3894	<	f.complete(one);
3895	<	checkCompletedNormally(g, null);
3896	<	assertEquals(r.value, 2);
3885	>	public void testExceptionPropagationReusesResultObject() {
3886	>	if (!testImplementationDetails) return;
3887	>	for (ExecutionMode m : ExecutionMode.values())
3888	>	{
3889	>	final CFException ex = new CFException();
3890	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3891	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3892	>
3893	>	final Runnable noopRunnable = new Noop(m);
3894	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3895	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
3896	>
3897	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3898	>	= new ArrayList<>();
3899	>
3900	>	funs.add(y -> m.thenRun(y, noopRunnable));
3901	>	funs.add(y -> m.thenAccept(y, noopConsumer));
3902	>	funs.add(y -> m.thenApply(y, incFunction));
3903	>
3904	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3905	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3906	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3907	>
3908	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3909	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3910	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3911	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3912	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3913	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3914	>
3915	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3916	>
3917	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3918	>
3919	>	funs.add(y -> CompletableFuture.allOf(y));
3920	>	funs.add(y -> CompletableFuture.allOf(y, v42));
3921	>	funs.add(y -> CompletableFuture.allOf(v42, y));
3922	>	funs.add(y -> CompletableFuture.anyOf(y));
3923	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3924	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3925	>
3926	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3927	>	fun : funs) {
3928	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3929	>	f.completeExceptionally(ex);
3930	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3931	>	checkCompletedWithWrappedException(src, ex);
3932	>	CompletableFuture<?> dep = fun.apply(src);
3933	>	checkCompletedWithWrappedException(dep, ex);
3934	>	assertSame(resultOf(src), resultOf(dep));
3935	>	}
3936
3937	<	r = new IncAction();
3938	<	f = new CompletableFuture<Integer>();
3939	<	f.complete(one);
3940	<	f2 = new CompletableFuture<Integer>();
3941	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3942	<	checkCompletedNormally(g, null);
3943	<	assertEquals(r.value, 2);
3944	<	}
3937	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3938	>	fun : funs) {
3939	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3940	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3941	>	CompletableFuture<?> dep = fun.apply(src);
3942	>	f.completeExceptionally(ex);
3943	>	checkCompletedWithWrappedException(src, ex);
3944	>	checkCompletedWithWrappedException(dep, ex);
3945	>	assertSame(resultOf(src), resultOf(dep));
3946	>	}
3947
3948	<	/**
3949	<	* acceptEitherAsync result completes exceptionally after exceptional
3950	<	* completion of source
3951	<	*/
3952	<	public void testAcceptEitherAsync2E() {
3953	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3954	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3955	<	IncAction r = new IncAction();
3956	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3957	<	f.completeExceptionally(new CFException());
3958	<	checkCompletedWithWrappedCFException(g);
3948	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3949	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3950	>	fun : funs) {
3951	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3952	>	f.cancel(mayInterruptIfRunning);
3953	>	checkCancelled(f);
3954	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3955	>	checkCompletedWithWrappedCancellationException(src);
3956	>	CompletableFuture<?> dep = fun.apply(src);
3957	>	checkCompletedWithWrappedCancellationException(dep);
3958	>	assertSame(resultOf(src), resultOf(dep));
3959	>	}
3960
3961	<	r = new IncAction();
3962	<	f = new CompletableFuture<Integer>();
3963	<	f2 = new CompletableFuture<Integer>();
3964	<	f2.completeExceptionally(new CFException());
3965	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3966	<	f.complete(one);
3967	<	checkCompletedWithWrappedCFException(g);
3968	<	}
3961	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3962	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3963	>	fun : funs) {
3964	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3965	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3966	>	CompletableFuture<?> dep = fun.apply(src);
3967	>	f.cancel(mayInterruptIfRunning);
3968	>	checkCancelled(f);
3969	>	checkCompletedWithWrappedCancellationException(src);
3970	>	checkCompletedWithWrappedCancellationException(dep);
3971	>	assertSame(resultOf(src), resultOf(dep));
3972	>	}
3973	>	}}
3974
3975		/**
3976	<	* acceptEitherAsync result completes exceptionally if action does
3976	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3977		*/
3978	<	public void testAcceptEitherAsync3E() {
3979	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
3980	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
3981	<	FailingConsumer r = new FailingConsumer();
3982	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3983	<	f.complete(one);
3984	<	checkCompletedWithWrappedCFException(g);
3978	>	public void testMinimalCompletionStage_minimality() {
3979	>	if (!testImplementationDetails) return;
3980	>	Function<Method, String> toSignature =
3981	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3982	>	Predicate<Method> isNotStatic =
3983	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3984	>	List<Method> minimalMethods =
3985	>	Stream.of(Object.class, CompletionStage.class)
3986	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3987	>	.filter(isNotStatic)
3988	>	.collect(Collectors.toList());
3989	>	// Methods from CompletableFuture permitted NOT to throw UOE
3990	>	String[] signatureWhitelist = {
3991	>	"newIncompleteFuture[]",
3992	>	"defaultExecutor[]",
3993	>	"minimalCompletionStage[]",
3994	>	"copy[]",
3995	>	};
3996	>	Set<String> permittedMethodSignatures =
3997	>	Stream.concat(minimalMethods.stream().map(toSignature),
3998	>	Stream.of(signatureWhitelist))
3999	>	.collect(Collectors.toSet());
4000	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4001	>	.filter(isNotStatic)
4002	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4003	>	.collect(Collectors.toList());
4004	>
4005	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4006	>	CompletionStage<Integer> min =
4007	>	new CompletableFuture<Integer>().minimalCompletionStage();
4008	>	stages.add(min);
4009	>	stages.add(min.thenApply(x -> x));
4010	>	stages.add(CompletableFuture.completedStage(1));
4011	>	stages.add(CompletableFuture.failedStage(new CFException()));
4012	>
4013	>	List<Method> bugs = new ArrayList<>();
4014	>	for (Method method : allMethods) {
4015	>	Class<?>[] parameterTypes = method.getParameterTypes();
4016	>	Object[] args = new Object[parameterTypes.length];
4017	>	// Manufacture boxed primitives for primitive params
4018	>	for (int i = 0; i < args.length; i++) {
4019	>	Class<?> type = parameterTypes[i];
4020	>	if (parameterTypes[i] == boolean.class)
4021	>	args[i] = false;
4022	>	else if (parameterTypes[i] == int.class)
4023	>	args[i] = 0;
4024	>	else if (parameterTypes[i] == long.class)
4025	>	args[i] = 0L;
4026	>	}
4027	>	for (CompletionStage<Integer> stage : stages) {
4028	>	try {
4029	>	method.invoke(stage, args);
4030	>	bugs.add(method);
4031	>	}
4032	>	catch (java.lang.reflect.InvocationTargetException expected) {
4033	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4034	>	bugs.add(method);
4035	>	// expected.getCause().printStackTrace();
4036	>	}
4037	>	}
4038	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4039	>	}
4040	>	}
4041	>	if (!bugs.isEmpty())
4042	>	throw new Error("Methods did not throw UOE: " + bugs);
4043		}
4044
4045		/**
4046	<	* acceptEitherAsync result completes exceptionally if either
4047	<	* source cancelled
4046	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4047	>	* is completed normally, with the same value, when source is.
4048		*/
4049	<	public void testAcceptEitherAsync4E() {
4050	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4051	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4052	<	IncAction r = new IncAction();
4053	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
4054	<	assertTrue(f.cancel(true));
4055	<	checkCompletedWithWrappedCancellationException(g);
4056	<
4057	<	r = new IncAction();
4058	<	f = new CompletableFuture<Integer>();
4059	<	f2 = new CompletableFuture<Integer>();
4060	<	assertTrue(f2.cancel(true));
4061	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
4062	<	checkCompletedWithWrappedCancellationException(g);
4063	<	}
4049	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4050	>	for (boolean createIncomplete : new boolean[] { true, false })
4051	>	for (Integer v1 : new Integer[] { 1, null })
4052	>	{
4053	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4054	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4055	>	if (!createIncomplete) assertTrue(f.complete(v1));
4056	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4057	>	if (createIncomplete) {
4058	>	checkIncomplete(f);
4059	>	checkIncomplete(g);
4060	>	assertTrue(f.complete(v1));
4061	>	}
4062	>	checkCompletedNormally(f, v1);
4063	>	checkCompletedNormally(g, v1);
4064	>	}}
4065	>
4066	>	/**
4067	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4068	>	* is completed exceptionally when source is.
4069	>	*/
4070	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4071	>	for (boolean createIncomplete : new boolean[] { true, false })
4072	>	{
4073	>	CFException ex = new CFException();
4074	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4075	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4076	>	if (!createIncomplete) f.completeExceptionally(ex);
4077	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4078	>	if (createIncomplete) {
4079	>	checkIncomplete(f);
4080	>	checkIncomplete(g);
4081	>	f.completeExceptionally(ex);
4082	>	}
4083	>	checkCompletedExceptionally(f, ex);
4084	>	checkCompletedWithWrappedException(g, ex);
4085	>	}}
4086
4087		/**
4088	<	* runAfterEitherAsync result completes normally after normal
4089	<	* completion of sources
4090	<	*/
4091	<	public void testRunAfterEitherAsyncE() {
4092	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4093	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4094	<	Noop r = new Noop();
4095	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4096	<	f.complete(one);
4097	<	checkCompletedNormally(g, null);
4098	<	assertTrue(r.ran);
4099	<
4100	<	r = new Noop();
2229	<	f = new CompletableFuture<Integer>();
2230	<	f.complete(one);
2231	<	f2 = new CompletableFuture<Integer>();
2232	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2233	<	checkCompletedNormally(g, null);
2234	<	assertTrue(r.ran);
2235	<	}
4088	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4089	>	*/
4090	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4091	>	for (Integer v1 : new Integer[] { 1, null })
4092	>	{
4093	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4094	>	CompletionStage minimal = f.minimalCompletionStage();
4095	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4096	>	assertTrue(g.complete(v1));
4097	>	checkCompletedNormally(g, v1);
4098	>	checkIncomplete(f);
4099	>	checkIncomplete(minimal.toCompletableFuture());
4100	>	}}
4101
4102		/**
4103	<	* runAfterEitherAsync result completes exceptionally after exceptional
2239	<	* completion of source
4103	>	* minimalStage.toCompletableFuture().join() awaits completion
4104		*/
4105	<	public void testRunAfterEitherAsync2E() {
4106	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4107	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4108	<	Noop r = new Noop();
4109	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4110	<	f.completeExceptionally(new CFException());
4111	<	checkCompletedWithWrappedCFException(g);
4112	<
4113	<	r = new Noop();
4114	<	f = new CompletableFuture<Integer>();
4115	<	f2 = new CompletableFuture<Integer>();
4116	<	f2.completeExceptionally(new CFException());
4117	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4118	<	f.complete(one);
4119	<	checkCompletedWithWrappedCFException(g);
4105	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4106	>	for (boolean createIncomplete : new boolean[] { true, false })
4107	>	for (Integer v1 : new Integer[] { 1, null })
4108	>	{
4109	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4110	>	if (!createIncomplete) assertTrue(f.complete(v1));
4111	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4112	>	if (createIncomplete) assertTrue(f.complete(v1));
4113	>	assertEquals(v1, minimal.toCompletableFuture().join());
4114	>	assertEquals(v1, minimal.toCompletableFuture().get());
4115	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4116	>	}}
4117	>
4118	>	/**
4119	>	* Completion of a toCompletableFuture copy of a minimal stage
4120	>	* does not complete its source.
4121	>	*/
4122	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4123	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4124	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4125	>	assertTrue(g.toCompletableFuture().complete(1));
4126	>	assertTrue(g.toCompletableFuture().complete(null));
4127	>	assertTrue(g.toCompletableFuture().cancel(true));
4128	>	assertTrue(g.toCompletableFuture().cancel(false));
4129	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4130	>	checkIncomplete(g.toCompletableFuture());
4131	>	f.complete(1);
4132	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4133		}
4134
4135	<	/**
4136	<	* runAfterEitherAsync result completes exceptionally if action does
4137	<	*/
4138	<	public void testRunAfterEitherAsync3E() {
4139	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4140	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4141	<	FailingNoop r = new FailingNoop();
4142	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4143	<	f.complete(one);
4144	<	checkCompletedWithWrappedCFException(g);
4135	>	/** Demo utility method for external reliable toCompletableFuture */
4136	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4137	>	CompletableFuture<T> f = new CompletableFuture<>();
4138	>	stage.handle((T t, Throwable ex) -> {
4139	>	if (ex != null) f.completeExceptionally(ex);
4140	>	else f.complete(t);
4141	>	return null;
4142	>	});
4143	>	return f;
4144	>	}
4145	>
4146	>	/** Demo utility method to join a CompletionStage */
4147	>	static <T> T join(CompletionStage<T> stage) {
4148	>	return toCompletableFuture(stage).join();
4149		}
4150
4151		/**
4152	<	* runAfterEitherAsync result completes exceptionally if either
4153	<	* source cancelled
4154	<	*/
4155	<	public void testRunAfterEitherAsync4E() {
4156	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4157	<	CompletableFuture<Integer> f2 = new CompletableFuture<Integer>();
4158	<	Noop r = new Noop();
4159	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4160	<	assertTrue(f.cancel(true));
4161	<	checkCompletedWithWrappedCancellationException(g);
4162	<
4163	<	r = new Noop();
4164	<	f = new CompletableFuture<Integer>();
4165	<	f2 = new CompletableFuture<Integer>();
4166	<	assertTrue(f2.cancel(true));
4167	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4168	<	checkCompletedWithWrappedCancellationException(g);
4169	<	}
4152	>	* Joining a minimal stage "by hand" works
4153	>	*/
4154	>	public void testMinimalCompletionStage_join_by_hand() {
4155	>	for (boolean createIncomplete : new boolean[] { true, false })
4156	>	for (Integer v1 : new Integer[] { 1, null })
4157	>	{
4158	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4159	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4160	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4161	>	if (!createIncomplete) assertTrue(f.complete(v1));
4162	>	minimal.thenAccept(x -> g.complete(x));
4163	>	if (createIncomplete) assertTrue(f.complete(v1));
4164	>	g.join();
4165	>	checkCompletedNormally(g, v1);
4166	>	checkCompletedNormally(f, v1);
4167	>	assertEquals(v1, join(minimal));
4168	>	}}
4169	>
4170	>	static class Monad {
4171	>	static class ZeroException extends RuntimeException {
4172	>	public ZeroException() { super("monadic zero"); }
4173	>	}
4174	>	// "return", "unit"
4175	>	static <T> CompletableFuture<T> unit(T value) {
4176	>	return completedFuture(value);
4177	>	}
4178	>	// monadic zero ?
4179	>	static <T> CompletableFuture<T> zero() {
4180	>	return failedFuture(new ZeroException());
4181	>	}
4182	>	// >=>
4183	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4184	>	(Function<T, CompletableFuture<U>> f,
4185	>	Function<U, CompletableFuture<V>> g) {
4186	>	return x -> f.apply(x).thenCompose(g);
4187	>	}
4188
4189	<	/**
4190	<	* thenComposeAsync result completes normally after normal
4191	<	* completion of source
4192	<	*/
4193	<	public void testThenComposeAsyncE() {
4194	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4195	<	CompletableFutureInc r = new CompletableFutureInc();
4196	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2298	<	f.complete(one);
2299	<	checkCompletedNormally(g, two);
2300	<	}
4189	>	static void assertZero(CompletableFuture<?> f) {
4190	>	try {
4191	>	f.getNow(null);
4192	>	throw new AssertionError("should throw");
4193	>	} catch (CompletionException success) {
4194	>	assertTrue(success.getCause() instanceof ZeroException);
4195	>	}
4196	>	}
4197
4198	<	/**
4199	<	* thenComposeAsync result completes exceptionally after
4200	<	* exceptional completion of source
4201	<	*/
4202	<	public void testThenComposeAsync2E() {
4203	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4204	<	CompletableFutureInc r = new CompletableFutureInc();
4205	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
4206	<	f.completeExceptionally(new CFException());
4207	<	checkCompletedWithWrappedCFException(g);
4208	<	}
4198	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4199	>	CompletableFuture<T> g) {
4200	>	T fval = null, gval = null;
4201	>	Throwable fex = null, gex = null;
4202	>
4203	>	try { fval = f.get(); }
4204	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4205	>	catch (Throwable ex) { fex = ex; }
4206	>
4207	>	try { gval = g.get(); }
4208	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4209	>	catch (Throwable ex) { gex = ex; }
4210	>
4211	>	if (fex != null || gex != null)
4212	>	assertSame(fex.getClass(), gex.getClass());
4213	>	else
4214	>	assertEquals(fval, gval);
4215	>	}
4216
4217	<	/**
4218	<	* thenComposeAsync result completes exceptionally if action does
4219	<	*/
2317	<	public void testThenComposeAsync3E() {
2318	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2319	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2320	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2321	<	f.complete(one);
2322	<	checkCompletedWithWrappedCFException(g);
2323	<	}
4217	>	static class PlusFuture<T> extends CompletableFuture<T> {
4218	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4219	>	}
4220
4221	<	/**
4222	<	* thenComposeAsync result completes exceptionally if source cancelled
4223	<	*/
4224	<	public void testThenComposeAsync4E() {
4225	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4226	<	CompletableFutureInc r = new CompletableFutureInc();
4227	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
4228	<	assertTrue(f.cancel(true));
4229	<	checkCompletedWithWrappedCancellationException(g);
4221	>	/** Implements "monadic plus". */
4222	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4223	>	CompletableFuture<? extends T> g) {
4224	>	PlusFuture<T> plus = new PlusFuture<T>();
4225	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4226	>	try {
4227	>	if (ex == null) {
4228	>	if (plus.complete(result))
4229	>	if (plus.firstFailure.get() != null)
4230	>	plus.firstFailure.set(null);
4231	>	}
4232	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4233	>	if (plus.isDone())
4234	>	plus.firstFailure.set(null);
4235	>	}
4236	>	else {
4237	>	// first failure has precedence
4238	>	Throwable first = plus.firstFailure.getAndSet(null);
4239	>
4240	>	// may fail with "Self-suppression not permitted"
4241	>	try { first.addSuppressed(ex); }
4242	>	catch (Exception ignored) {}
4243	>
4244	>	plus.completeExceptionally(first);
4245	>	}
4246	>	} catch (Throwable unexpected) {
4247	>	plus.completeExceptionally(unexpected);
4248	>	}
4249	>	};
4250	>	f.whenComplete(action);
4251	>	g.whenComplete(action);
4252	>	return plus;
4253	>	}
4254		}
4255
2336	–	// other static methods
2337	–
4256		/**
4257	<	* allOf(no component futures) returns a future completed normally
4258	<	* with the value null
4257	>	* CompletableFuture is an additive monad - sort of.
4258	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4259		*/
4260	<	public void testAllOf_empty() throws Exception {
4261	<	CompletableFuture<?> f = CompletableFuture.allOf();
4262	<	checkCompletedNormally(f, null);
4263	<	}
4260	>	public void testAdditiveMonad() throws Throwable {
4261	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4262	>	CompletableFuture<Long> zero = Monad.zero();
4263	>
4264	>	// Some mutually non-commutative functions
4265	>	Function<Long, CompletableFuture<Long>> triple
4266	>	= x -> Monad.unit(3 * x);
4267	>	Function<Long, CompletableFuture<Long>> inc
4268	>	= x -> Monad.unit(x + 1);
4269	>
4270	>	// unit is a right identity: m >>= unit === m
4271	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4272	>	inc.apply(5L));
4273	>	// unit is a left identity: (unit x) >>= f === f x
4274	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4275	>	inc.apply(5L));
4276	>
4277	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4278	>	Monad.assertFutureEquals(
4279	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4280	>	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4281	>
4282	>	// The case for CompletableFuture as an additive monad is weaker...
4283	>
4284	>	// zero is a monadic zero
4285	>	Monad.assertZero(zero);
4286	>
4287	>	// left zero: zero >>= f === zero
4288	>	Monad.assertZero(zero.thenCompose(inc));
4289	>	// right zero: f >>= (\x -> zero) === zero
4290	>	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4291	>
4292	>	// f plus zero === f
4293	>	Monad.assertFutureEquals(Monad.unit(5L),
4294	>	Monad.plus(Monad.unit(5L), zero));
4295	>	// zero plus f === f
4296	>	Monad.assertFutureEquals(Monad.unit(5L),
4297	>	Monad.plus(zero, Monad.unit(5L)));
4298	>	// zero plus zero === zero
4299	>	Monad.assertZero(Monad.plus(zero, zero));
4300	>	{
4301	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4302	>	Monad.unit(8L));
4303	>	// non-determinism
4304	>	assertTrue(f.get() == 5L || f.get() == 8L);
4305	>	}
4306
4307	<	/**
4308	<	* allOf returns a future completed when all components complete
4309	<	*/
4310	<	public void testAllOf() throws Exception {
4311	<	for (int k = 1; k < 20; ++k) {
4312	<	CompletableFuture[] fs = new CompletableFuture[k];
4313	<	for (int i = 0; i < k; ++i)
4314	<	fs[i] = new CompletableFuture<Integer>();
4315	<	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
4316	<	for (int i = 0; i < k; ++i) {
4317	<	checkIncomplete(f);
4318	<	fs[i].complete(one);
4319	<	}
4320	<	checkCompletedNormally(f, null);
4307	>	CompletableFuture<Long> godot = new CompletableFuture<>();
4308	>	// f plus godot === f (doesn't wait for godot)
4309	>	Monad.assertFutureEquals(Monad.unit(5L),
4310	>	Monad.plus(Monad.unit(5L), godot));
4311	>	// godot plus f === f (doesn't wait for godot)
4312	>	Monad.assertFutureEquals(Monad.unit(5L),
4313	>	Monad.plus(godot, Monad.unit(5L)));
4314	>	}
4315	>
4316	>	/** Test long recursive chains of CompletableFutures with cascading completions */
4317	>	@SuppressWarnings("FutureReturnValueIgnored")
4318	>	public void testRecursiveChains() throws Throwable {
4319	>	for (ExecutionMode m : ExecutionMode.values())
4320	>	for (boolean addDeadEnds : new boolean[] { true, false })
4321	>	{
4322	>	final int val = 42;
4323	>	final int n = expensiveTests ? 1_000 : 2;
4324	>	CompletableFuture<Integer> head = new CompletableFuture<>();
4325	>	CompletableFuture<Integer> tail = head;
4326	>	for (int i = 0; i < n; i++) {
4327	>	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4328	>	tail = m.thenApply(tail, v -> v + 1);
4329	>	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4330	>	tail = m.applyToEither(tail, tail, v -> v + 1);
4331	>	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4332	>	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4333		}
4334	+	head.complete(val);
4335	+	assertEquals(val + 3 * n, (int) tail.join());
4336	+	}}
4337	+
4338	+	/**
4339	+	* A single CompletableFuture with many dependents.
4340	+	* A demo of scalability - runtime is O(n).
4341	+	*/
4342	+	@SuppressWarnings("FutureReturnValueIgnored")
4343	+	public void testManyDependents() throws Throwable {
4344	+	final int n = expensiveTests ? 1_000_000 : 10;
4345	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4346	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4347	+	final AtomicInteger count = new AtomicInteger(0);
4348	+	for (int i = 0; i < n; i++) {
4349	+	head.thenRun(() -> count.getAndIncrement());
4350	+	head.thenAccept(x -> count.getAndIncrement());
4351	+	head.thenApply(x -> count.getAndIncrement());
4352	+
4353	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4354	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4355	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4356	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4357	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4358	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4359	+
4360	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4361	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4362	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4363	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4364	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4365	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4366	+	}
4367	+	head.complete(null);
4368	+	assertEquals(5 * 3 * n, count.get());
4369		}
4370
4371	<	/**
4372	<	* anyOf(no component futures) returns an incomplete future
4373	<	*/
4374	<	public void testAnyOf_empty() throws Exception {
4375	<	CompletableFuture<?> f = CompletableFuture.anyOf();
4376	<	checkIncomplete(f);
4377	<	}
4371	>	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4372	>	@SuppressWarnings("FutureReturnValueIgnored")
4373	>	public void testCoCompletionGarbageRetention() throws Throwable {
4374	>	final int n = expensiveTests ? 1_000_000 : 10;
4375	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4376	>	CompletableFuture<Integer> f;
4377	>	for (int i = 0; i < n; i++) {
4378	>	f = new CompletableFuture<>();
4379	>	f.runAfterEither(incomplete, () -> {});
4380	>	f.complete(null);
4381	>
4382	>	f = new CompletableFuture<>();
4383	>	f.acceptEither(incomplete, x -> {});
4384	>	f.complete(null);
4385	>
4386	>	f = new CompletableFuture<>();
4387	>	f.applyToEither(incomplete, x -> x);
4388	>	f.complete(null);
4389	>
4390	>	f = new CompletableFuture<>();
4391	>	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4392	>	f.complete(null);
4393	>	}
4394
4395	<	/**
4396	<	* allOf returns a future completed when any components complete
4397	<	*/
4398	<	public void testAnyOf() throws Exception {
4399	<	for (int k = 1; k < 20; ++k) {
4400	<	CompletableFuture[] fs = new CompletableFuture[k];
4401	<	for (int i = 0; i < k; ++i)
4402	<	fs[i] = new CompletableFuture<Integer>();
4403	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
4404	<	checkIncomplete(f);
4405	<	for (int i = 0; i < k; ++i) {
4406	<	fs[i].complete(one);
4407	<	checkCompletedNormally(f, one);
4408	<	}
4395	>	for (int i = 0; i < n; i++) {
4396	>	f = new CompletableFuture<>();
4397	>	incomplete.runAfterEither(f, () -> {});
4398	>	f.complete(null);
4399	>
4400	>	f = new CompletableFuture<>();
4401	>	incomplete.acceptEither(f, x -> {});
4402	>	f.complete(null);
4403	>
4404	>	f = new CompletableFuture<>();
4405	>	incomplete.applyToEither(f, x -> x);
4406	>	f.complete(null);
4407	>
4408	>	f = new CompletableFuture<>();
4409	>	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4410	>	f.complete(null);
4411		}
4412		}
4413
4414		/**
4415	<	* Completion methods throw NullPointerException with null arguments
4416	<	*/
4417	<	public void testNPE() {
4418	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
4419	<	CompletableFuture<Integer> g = new CompletableFuture<Integer>();
4420	<	CompletableFuture h;
4421	<	try { h = f.thenApply(null); } catch (NullPointerException ok) {}
4422	<	try { h = f.thenAccept(null); } catch (NullPointerException ok) {}
4423	<	try { h = f.thenRun(null); } catch (NullPointerException ok) {}
4424	<	try { h = f.thenCombine(g, null); } catch (NullPointerException ok) {}
4425	<	try { h = f.thenCombine(null, null); } catch (NullPointerException ok) {}
4426	<	try { h = f.applyToEither(g, null); } catch (NullPointerException ok) {}
4427	<	try { h = f.applyToEither(null, null); } catch (NullPointerException ok) {}
4428	<	try { h = f.thenAcceptBoth(g, null); } catch (NullPointerException ok) {}
4429	<	try { h = f.thenAcceptBoth(null, null); } catch (NullPointerException ok) {}
4430	<	try { h = f.runAfterEither(g, null); } catch (NullPointerException ok) {}
4431	<	try { h = f.runAfterEither(null, null); } catch (NullPointerException ok) {}
4432	<	try { h = f.runAfterBoth(g, null); } catch (NullPointerException ok) {}
4433	<	try { h = f.runAfterBoth(null, null); } catch (NullPointerException ok) {}
4434	<	try { h = f.exceptionally(null); } catch (NullPointerException ok) {}
4435	<	try { h = f.handle(null); } catch (NullPointerException ok) {}
4436	<	try { h = f.thenCompose(null); } catch (NullPointerException ok) {}
4437	<
4438	<	try { h = f.thenApplyAsync(null); } catch (NullPointerException ok) {}
4439	<	try { h = f.thenAcceptAsync(null); } catch (NullPointerException ok) {}
4440	<	try { h = f.thenRunAsync(null); } catch (NullPointerException ok) {}
4441	<	try { h = f.thenCombineAsync(g, null); } catch (NullPointerException ok) {}
4442	<	try { h = f.thenCombineAsync(null, null); } catch (NullPointerException ok) {}
4443	<	try { h = f.applyToEitherAsync(g, null); } catch (NullPointerException ok) {}
4444	<	try { h = f.applyToEitherAsync(null, null); } catch (NullPointerException ok) {}
4445	<	try { h = f.thenAcceptBothAsync(g, null); } catch (NullPointerException ok) {}
4446	<	try { h = f.thenAcceptBothAsync(null, null); } catch (NullPointerException ok) {}
4447	<	try { h = f.runAfterEitherAsync(g, null); } catch (NullPointerException ok) {}
4448	<	try { h = f.runAfterEitherAsync(null, null); } catch (NullPointerException ok) {}
4449	<	try { h = f.runAfterBothAsync(g, null); } catch (NullPointerException ok) {}
4450	<	try { h = f.runAfterBothAsync(null, null); } catch (NullPointerException ok) {}
4451	<
4452	<	}
4453	<
4415	>	* Reproduction recipe for:
4416	>	* 8160402: Garbage retention with CompletableFuture.anyOf
4417	>	* cvs update -D '2016-05-01' ./src/main/java/util/concurrent/CompletableFuture.java && ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testAnyOfGarbageRetention tck; cvs update -A
4418	>	*/
4419	>	public void testAnyOfGarbageRetention() throws Throwable {
4420	>	for (Integer v : new Integer[] { 1, null })
4421	>	{
4422	>	final int n = expensiveTests ? 100_000 : 10;
4423	>	CompletableFuture<Integer>[] fs
4424	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4425	>	for (int i = 0; i < fs.length; i++)
4426	>	fs[i] = new CompletableFuture<>();
4427	>	fs[fs.length - 1].complete(v);
4428	>	for (int i = 0; i < n; i++)
4429	>	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4430	>	}}
4431	>
4432	>	/**
4433	>	* Checks for garbage retention with allOf.
4434	>	*
4435	>	* As of 2016-07, fails with OOME:
4436	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4437	>	*/
4438	>	public void testCancelledAllOfGarbageRetention() throws Throwable {
4439	>	final int n = expensiveTests ? 100_000 : 10;
4440	>	CompletableFuture<Integer>[] fs
4441	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4442	>	for (int i = 0; i < fs.length; i++)
4443	>	fs[i] = new CompletableFuture<>();
4444	>	for (int i = 0; i < n; i++)
4445	>	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4446	>	}
4447	>
4448	>	/**
4449	>	* Checks for garbage retention when a dependent future is
4450	>	* cancelled and garbage-collected.
4451	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4452	>	*
4453	>	* As of 2016-07, fails with OOME:
4454	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4455	>	*/
4456	>	public void testCancelledGarbageRetention() throws Throwable {
4457	>	final int n = expensiveTests ? 100_000 : 10;
4458	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4459	>	for (int i = 0; i < n; i++)
4460	>	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4461	>	}
4462	>
4463	>	/**
4464	>	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4465	>	* is invoked many times.
4466	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4467	>	*
4468	>	* As of 2016-07, fails with OOME:
4469	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4470	>	*/
4471	>	public void testToCompletableFutureGarbageRetention() throws Throwable {
4472	>	final int n = expensiveTests ? 900_000 : 10;
4473	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4474	>	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4475	>	for (int i = 0; i < n; i++)
4476	>	assertTrue(minimal.toCompletableFuture().cancel(true));
4477	>	}
4478	>
4479	>	//     static <U> U join(CompletionStage<U> stage) {
4480	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4481	>	//         stage.whenComplete((v, ex) -> {
4482	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4483	>	//         });
4484	>	//         return f.join();
4485	>	//     }
4486	>
4487	>	//     static <U> boolean isDone(CompletionStage<U> stage) {
4488	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4489	>	//         stage.whenComplete((v, ex) -> {
4490	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4491	>	//         });
4492	>	//         return f.isDone();
4493	>	//     }
4494	>
4495	>	//     static <U> U join2(CompletionStage<U> stage) {
4496	>	//         return stage.toCompletableFuture().copy().join();
4497	>	//     }
4498	>
4499	>	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4500	>	//         return stage.toCompletableFuture().copy().isDone();
4501	>	//     }
4502
4503		}

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