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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.34 by jsr166, Sun Jun 1 21:17:05 2014 UTC vs.
Revision 1.195 by jsr166, Sun Jul 22 20:09:31 2018 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28	+	import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33	+	import java.util.concurrent.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
22	<	import static java.util.concurrent.TimeUnit.SECONDS;
23	<	import java.util.*;
24	<	import java.util.function.Supplier;
25	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
27	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.Test;
45	+	import junit.framework.TestSuite;
46
47		public class CompletableFutureTest extends JSR166TestCase {
48
49		public static void main(String[] args) {
50	<	junit.textui.TestRunner.run(suite());
50	>	main(suite(), args);
51		}
52		public static Test suite() {
53		return new TestSuite(CompletableFutureTest.class);
#	Line 41 | Line 58 | public class CompletableFutureTest exten
58		void checkIncomplete(CompletableFuture<?> f) {
59		assertFalse(f.isDone());
60		assertFalse(f.isCancelled());
61	<	assertTrue(f.toString().contains("[Not completed]"));
61	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
62	>
63	>	Object result = null;
64		try {
65	<	assertNull(f.getNow(null));
65	>	result = f.getNow(null);
66		} catch (Throwable fail) { threadUnexpectedException(fail); }
67	+	assertNull(result);
68	+
69		try {
70	<	f.get(0L, SECONDS);
70	>	f.get(randomExpiredTimeout(), randomTimeUnit());
71		shouldThrow();
72		}
73		catch (TimeoutException success) {}
#	Line 54 | Line 75 | public class CompletableFutureTest exten
75		}
76
77		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
78	<	try {
79	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
59	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
78	>	checkTimedGet(f, value);
79	>
80		try {
81		assertEquals(value, f.join());
62	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
63	–	try {
82		assertEquals(value, f.getNow(null));
65	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
66	–	try {
83		assertEquals(value, f.get());
84		} catch (Throwable fail) { threadUnexpectedException(fail); }
85		assertTrue(f.isDone());
86		assertFalse(f.isCancelled());
87		assertFalse(f.isCompletedExceptionally());
88	<	assertTrue(f.toString().contains("[Completed normally]"));
88	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
89		}
90
91	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
92	<	try {
93	<	f.get(LONG_DELAY_MS, MILLISECONDS);
94	<	shouldThrow();
95	<	} catch (ExecutionException success) {
96	<	assertTrue(success.getCause() instanceof CFException);
97	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
98	<	try {
83	<	f.join();
84	<	shouldThrow();
85	<	} catch (CompletionException success) {
86	<	assertTrue(success.getCause() instanceof CFException);
87	<	}
88	<	try {
89	<	f.getNow(null);
90	<	shouldThrow();
91	<	} catch (CompletionException success) {
92	<	assertTrue(success.getCause() instanceof CFException);
93	<	}
94	<	try {
95	<	f.get();
96	<	shouldThrow();
97	<	} catch (ExecutionException success) {
98	<	assertTrue(success.getCause() instanceof CFException);
99	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
100	<	assertTrue(f.isDone());
101	<	assertFalse(f.isCancelled());
102	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
91	>	/**
92	>	* Returns the "raw" internal exceptional completion of f,
93	>	* without any additional wrapping with CompletionException.
94	>	*/
95	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
96	>	// handle (and whenComplete and exceptionally) can distinguish
97	>	// between "direct" and "wrapped" exceptional completion
98	>	return f.handle((u, t) -> t).join();
99		}
100
101	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
102	<	CFException ex) {
101	>	void checkCompletedExceptionally(CompletableFuture<?> f,
102	>	boolean wrapped,
103	>	Consumer<Throwable> checker) {
104	>	Throwable cause = exceptionalCompletion(f);
105	>	if (wrapped) {
106	>	assertTrue(cause instanceof CompletionException);
107	>	cause = cause.getCause();
108	>	}
109	>	checker.accept(cause);
110	>
111	>	long startTime = System.nanoTime();
112		try {
113		f.get(LONG_DELAY_MS, MILLISECONDS);
114		shouldThrow();
115		} catch (ExecutionException success) {
116	<	assertSame(ex, success.getCause());
116	>	assertSame(cause, success.getCause());
117		} catch (Throwable fail) { threadUnexpectedException(fail); }
118	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
119	+
120		try {
121		f.join();
122		shouldThrow();
123		} catch (CompletionException success) {
124	<	assertSame(ex, success.getCause());
125	<	}
124	>	assertSame(cause, success.getCause());
125	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
126	>
127		try {
128		f.getNow(null);
129		shouldThrow();
130		} catch (CompletionException success) {
131	<	assertSame(ex, success.getCause());
132	<	}
131	>	assertSame(cause, success.getCause());
132	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
133	>
134		try {
135		f.get();
136		shouldThrow();
137		} catch (ExecutionException success) {
138	<	assertSame(ex, success.getCause());
138	>	assertSame(cause, success.getCause());
139		} catch (Throwable fail) { threadUnexpectedException(fail); }
140	<	assertTrue(f.isDone());
140	>
141		assertFalse(f.isCancelled());
142	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
142	>	assertTrue(f.isDone());
143	>	assertTrue(f.isCompletedExceptionally());
144	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
145	>	}
146	>
147	>	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
148	>	checkCompletedExceptionally(f, true,
149	>	t -> assertTrue(t instanceof CFException));
150	>	}
151	>
152	>	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
153	>	checkCompletedExceptionally(f, true,
154	>	t -> assertTrue(t instanceof CancellationException));
155	>	}
156	>
157	>	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
158	>	checkCompletedExceptionally(f, false,
159	>	t -> assertTrue(t instanceof TimeoutException));
160	>	}
161	>
162	>	void checkCompletedWithWrappedException(CompletableFuture<?> f,
163	>	Throwable ex) {
164	>	checkCompletedExceptionally(f, true, t -> assertSame(t, ex));
165	>	}
166	>
167	>	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
168	>	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
169		}
170
171		void checkCancelled(CompletableFuture<?> f) {
172	+	long startTime = System.nanoTime();
173		try {
174		f.get(LONG_DELAY_MS, MILLISECONDS);
175		shouldThrow();
176		} catch (CancellationException success) {
177		} catch (Throwable fail) { threadUnexpectedException(fail); }
178	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
179	+
180		try {
181		f.join();
182		shouldThrow();
#	Line 152 | Line 190 | public class CompletableFutureTest exten
190		shouldThrow();
191		} catch (CancellationException success) {
192		} catch (Throwable fail) { threadUnexpectedException(fail); }
155	–	assertTrue(f.isDone());
156	–	assertTrue(f.isCompletedExceptionally());
157	–	assertTrue(f.isCancelled());
158	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
159	–	}
193
194	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
195	<	try {
163	<	f.get(LONG_DELAY_MS, MILLISECONDS);
164	<	shouldThrow();
165	<	} catch (ExecutionException success) {
166	<	assertTrue(success.getCause() instanceof CancellationException);
167	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
168	<	try {
169	<	f.join();
170	<	shouldThrow();
171	<	} catch (CompletionException success) {
172	<	assertTrue(success.getCause() instanceof CancellationException);
173	<	}
174	<	try {
175	<	f.getNow(null);
176	<	shouldThrow();
177	<	} catch (CompletionException success) {
178	<	assertTrue(success.getCause() instanceof CancellationException);
179	<	}
180	<	try {
181	<	f.get();
182	<	shouldThrow();
183	<	} catch (ExecutionException success) {
184	<	assertTrue(success.getCause() instanceof CancellationException);
185	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
194	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
195	>
196		assertTrue(f.isDone());
187	–	assertFalse(f.isCancelled());
197		assertTrue(f.isCompletedExceptionally());
198	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
198	>	assertTrue(f.isCancelled());
199	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
200		}
201
202		/**
#	Line 203 | Line 213 | public class CompletableFutureTest exten
213		* isCancelled, join, get, and getNow
214		*/
215		public void testComplete() {
216	+	for (Integer v1 : new Integer[] { 1, null })
217	+	{
218		CompletableFuture<Integer> f = new CompletableFuture<>();
219		checkIncomplete(f);
220	<	f.complete(one);
221	<	checkCompletedNormally(f, one);
222	<	}
220	>	assertTrue(f.complete(v1));
221	>	assertFalse(f.complete(v1));
222	>	checkCompletedNormally(f, v1);
223	>	}}
224
225		/**
226		* completeExceptionally completes exceptionally, as indicated by
#	Line 215 | Line 228 | public class CompletableFutureTest exten
228		*/
229		public void testCompleteExceptionally() {
230		CompletableFuture<Integer> f = new CompletableFuture<>();
231	+	CFException ex = new CFException();
232		checkIncomplete(f);
233	<	f.completeExceptionally(new CFException());
234	<	checkCompletedWithWrappedCFException(f);
233	>	f.completeExceptionally(ex);
234	>	checkCompletedExceptionally(f, ex);
235		}
236
237		/**
#	Line 225 | Line 239 | public class CompletableFutureTest exten
239		* methods isDone, isCancelled, join, get, and getNow
240		*/
241		public void testCancel() {
242	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
243	+	{
244		CompletableFuture<Integer> f = new CompletableFuture<>();
245		checkIncomplete(f);
246	<	assertTrue(f.cancel(true));
246	>	assertTrue(f.cancel(mayInterruptIfRunning));
247	>	assertTrue(f.cancel(mayInterruptIfRunning));
248	>	assertTrue(f.cancel(!mayInterruptIfRunning));
249		checkCancelled(f);
250	<	}
250	>	}}
251
252		/**
253		* obtrudeValue forces completion with given value
#	Line 237 | Line 255 | public class CompletableFutureTest exten
255		public void testObtrudeValue() {
256		CompletableFuture<Integer> f = new CompletableFuture<>();
257		checkIncomplete(f);
258	<	f.complete(one);
258	>	assertTrue(f.complete(one));
259		checkCompletedNormally(f, one);
260		f.obtrudeValue(three);
261		checkCompletedNormally(f, three);
#	Line 246 | Line 264 | public class CompletableFutureTest exten
264		f = new CompletableFuture<>();
265		f.obtrudeValue(three);
266		checkCompletedNormally(f, three);
267	+	f.obtrudeValue(null);
268	+	checkCompletedNormally(f, null);
269		f = new CompletableFuture<>();
270		f.completeExceptionally(new CFException());
271		f.obtrudeValue(four);
#	Line 256 | Line 276 | public class CompletableFutureTest exten
276		* obtrudeException forces completion with given exception
277		*/
278		public void testObtrudeException() {
279	<	CompletableFuture<Integer> f = new CompletableFuture<>();
280	<	checkIncomplete(f);
281	<	f.complete(one);
282	<	checkCompletedNormally(f, one);
283	<	f.obtrudeException(new CFException());
264	<	checkCompletedWithWrappedCFException(f);
279	>	for (Integer v1 : new Integer[] { 1, null })
280	>	{
281	>	CFException ex;
282	>	CompletableFuture<Integer> f;
283	>
284		f = new CompletableFuture<>();
285	<	f.obtrudeException(new CFException());
286	<	checkCompletedWithWrappedCFException(f);
285	>	assertTrue(f.complete(v1));
286	>	for (int i = 0; i < 2; i++) {
287	>	f.obtrudeException(ex = new CFException());
288	>	checkCompletedExceptionally(f, ex);
289	>	}
290	>
291	>	f = new CompletableFuture<>();
292	>	for (int i = 0; i < 2; i++) {
293	>	f.obtrudeException(ex = new CFException());
294	>	checkCompletedExceptionally(f, ex);
295	>	}
296	>
297		f = new CompletableFuture<>();
298		f.completeExceptionally(new CFException());
299	<	f.obtrudeValue(four);
300	<	checkCompletedNormally(f, four);
301	<	f.obtrudeException(new CFException());
302	<	checkCompletedWithWrappedCFException(f);
303	<	}
299	>	f.obtrudeValue(v1);
300	>	checkCompletedNormally(f, v1);
301	>	f.obtrudeException(ex = new CFException());
302	>	checkCompletedExceptionally(f, ex);
303	>	f.completeExceptionally(new CFException());
304	>	checkCompletedExceptionally(f, ex);
305	>	assertFalse(f.complete(v1));
306	>	checkCompletedExceptionally(f, ex);
307	>	}}
308
309		/**
310		* getNumberOfDependents returns number of dependent tasks
311		*/
312		public void testGetNumberOfDependents() {
313	+	for (ExecutionMode m : ExecutionMode.values())
314	+	for (Integer v1 : new Integer[] { 1, null })
315	+	{
316		CompletableFuture<Integer> f = new CompletableFuture<>();
317	<	assertEquals(f.getNumberOfDependents(), 0);
318	<	CompletableFuture g = f.thenRun(new Noop());
319	<	assertEquals(f.getNumberOfDependents(), 1);
320	<	assertEquals(g.getNumberOfDependents(), 0);
321	<	CompletableFuture h = f.thenRun(new Noop());
322	<	assertEquals(f.getNumberOfDependents(), 2);
323	<	f.complete(1);
317	>	assertEquals(0, f.getNumberOfDependents());
318	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
319	>	assertEquals(1, f.getNumberOfDependents());
320	>	assertEquals(0, g.getNumberOfDependents());
321	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
322	>	assertEquals(2, f.getNumberOfDependents());
323	>	assertEquals(0, h.getNumberOfDependents());
324	>	assertTrue(f.complete(v1));
325		checkCompletedNormally(g, null);
326	<	assertEquals(f.getNumberOfDependents(), 0);
327	<	assertEquals(g.getNumberOfDependents(), 0);
328	<	}
326	>	checkCompletedNormally(h, null);
327	>	assertEquals(0, f.getNumberOfDependents());
328	>	assertEquals(0, g.getNumberOfDependents());
329	>	assertEquals(0, h.getNumberOfDependents());
330	>	}}
331
332		/**
333		* toString indicates current completion state
334		*/
335	<	public void testToString() {
336	<	CompletableFuture<String> f;
337	<
338	<	f = new CompletableFuture<String>();
339	<	assertTrue(f.toString().contains("[Not completed]"));
340	<
341	<	f.complete("foo");
342	<	assertTrue(f.toString().contains("[Completed normally]"));
343	<
344	<	f = new CompletableFuture<String>();
345	<	f.completeExceptionally(new IndexOutOfBoundsException());
346	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
335	>	public void testToString_incomplete() {
336	>	CompletableFuture<String> f = new CompletableFuture<>();
337	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
338	>	if (testImplementationDetails)
339	>	assertEquals(identityString(f) + "[Not completed]",
340	>	f.toString());
341	>	}
342	>
343	>	public void testToString_normal() {
344	>	CompletableFuture<String> f = new CompletableFuture<>();
345	>	assertTrue(f.complete("foo"));
346	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
347	>	if (testImplementationDetails)
348	>	assertEquals(identityString(f) + "[Completed normally]",
349	>	f.toString());
350	>	}
351	>
352	>	public void testToString_exception() {
353	>	CompletableFuture<String> f = new CompletableFuture<>();
354	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
355	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
356	>	if (testImplementationDetails)
357	>	assertTrue(f.toString().startsWith(
358	>	identityString(f) + "[Completed exceptionally: "));
359	>	}
360	>
361	>	public void testToString_cancelled() {
362	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
363	>	CompletableFuture<String> f = new CompletableFuture<>();
364	>	assertTrue(f.cancel(mayInterruptIfRunning));
365	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
366	>	if (testImplementationDetails)
367	>	assertTrue(f.toString().startsWith(
368	>	identityString(f) + "[Completed exceptionally: "));
369	>	}
370		}
371
372		/**
#	Line 315 | Line 377 | public class CompletableFutureTest exten
377		checkCompletedNormally(f, "test");
378		}
379
380	<	// Choose non-commutative actions for better coverage
381	<
382	<	static final Supplier<Integer> supplyOne =
383	<	() -> Integer.valueOf(1);
384	<	static final Function<Integer, Integer> inc =
385	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
386	<	static final BiFunction<Integer, Integer, Integer> subtract =
325	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
326	<	static final class IncAction implements Consumer<Integer> {
327	<	int value;
328	<	public void accept(Integer x) { value = x.intValue() + 1; }
329	<	}
330	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
331	<	int value;
332	<	public void accept(Integer x, Integer y) {
333	<	value = x.intValue() - y.intValue();
380	>	abstract static class CheckedAction {
381	>	int invocationCount = 0;
382	>	final ExecutionMode m;
383	>	CheckedAction(ExecutionMode m) { this.m = m; }
384	>	void invoked() {
385	>	m.checkExecutionMode();
386	>	assertEquals(0, invocationCount++);
387		}
388	<	}
389	<	static final class Noop implements Runnable {
337	<	boolean ran;
338	<	public void run() { ran = true; }
339	<	}
340	<
341	<	static final class FailingSupplier implements Supplier<Integer> {
342	<	boolean ran;
343	<	public Integer get() { ran = true; throw new CFException(); }
344	<	}
345	<	static final class FailingConsumer implements Consumer<Integer> {
346	<	boolean ran;
347	<	public void accept(Integer x) { ran = true; throw new CFException(); }
348	<	}
349	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
350	<	boolean ran;
351	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
352	<	}
353	<	static final class FailingFunction implements Function<Integer, Integer> {
354	<	boolean ran;
355	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
356	<	}
357	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
358	<	boolean ran;
359	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
360	<	}
361	<	static final class FailingNoop implements Runnable {
362	<	boolean ran;
363	<	public void run() { ran = true; throw new CFException(); }
388	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
389	>	void assertInvoked() { assertEquals(1, invocationCount); }
390		}
391
392	<	static final class CompletableFutureInc
393	<	implements Function<Integer, CompletableFuture<Integer>> {
394	<	boolean ran;
395	<	public CompletableFuture<Integer> apply(Integer x) {
396	<	ran = true;
397	<	CompletableFuture<Integer> f = new CompletableFuture<>();
372	<	f.complete(Integer.valueOf(x.intValue() + 1));
373	<	return f;
392	>	abstract static class CheckedIntegerAction extends CheckedAction {
393	>	Integer value;
394	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
395	>	void assertValue(Integer expected) {
396	>	assertInvoked();
397	>	assertEquals(expected, value);
398		}
399		}
400
401	<	static final class FailingCompletableFutureFunction
402	<	implements Function<Integer, CompletableFuture<Integer>> {
403	<	boolean ran;
404	<	public CompletableFuture<Integer> apply(Integer x) {
405	<	ran = true; throw new CFException();
401	>	static class IntegerSupplier extends CheckedAction
402	>	implements Supplier<Integer>
403	>	{
404	>	final Integer value;
405	>	IntegerSupplier(ExecutionMode m, Integer value) {
406	>	super(m);
407	>	this.value = value;
408		}
409	<	}
410	<
411	<	// Used for explicit executor tests
386	<	static final class ThreadExecutor implements Executor {
387	<	AtomicInteger count = new AtomicInteger(0);
388	<
389	<	public void execute(Runnable r) {
390	<	count.getAndIncrement();
391	<	new Thread(r).start();
409	>	public Integer get() {
410	>	invoked();
411	>	return value;
412		}
413		}
414
415	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
416	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
415	>	// A function that handles and produces null values as well.
416	>	static Integer inc(Integer x) {
417	>	return (x == null) ? null : x + 1;
418		}
419
420	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
421	<	boolean ran;
422	<	public Integer apply(Integer x, Throwable t) {
423	<	ran = true;
424	<	return (t == null) ? two : three;
420	>	static class NoopConsumer extends CheckedIntegerAction
421	>	implements Consumer<Integer>
422	>	{
423	>	NoopConsumer(ExecutionMode m) { super(m); }
424	>	public void accept(Integer x) {
425	>	invoked();
426	>	value = x;
427		}
428		}
429
430	<	/**
431	<	* exceptionally action completes with function value on source
432	<	* exception; otherwise with source value
433	<	*/
434	<	public void testExceptionally() {
435	<	CompletableFuture<Integer> f = new CompletableFuture<>();
436	<	ExceptionToInteger r = new ExceptionToInteger();
437	<	CompletableFuture<Integer> g = f.exceptionally(r);
415	<	f.completeExceptionally(new CFException());
416	<	checkCompletedNormally(g, three);
417	<
418	<	f = new CompletableFuture<>();
419	<	r = new ExceptionToInteger();
420	<	g = f.exceptionally(r);
421	<	f.complete(one);
422	<	checkCompletedNormally(g, one);
423	<	}
424	<
425	<	/**
426	<	* handle action completes normally with function value on either
427	<	* normal or exceptional completion of source
428	<	*/
429	<	public void testHandle() {
430	<	CompletableFuture<Integer> f, g;
431	<	IntegerHandler r;
432	<
433	<	f = new CompletableFuture<>();
434	<	f.completeExceptionally(new CFException());
435	<	g = f.handle(r = new IntegerHandler());
436	<	assertTrue(r.ran);
437	<	checkCompletedNormally(g, three);
438	<
439	<	f = new CompletableFuture<>();
440	<	g = f.handle(r = new IntegerHandler());
441	<	assertFalse(r.ran);
442	<	f.completeExceptionally(new CFException());
443	<	checkCompletedNormally(g, three);
444	<	assertTrue(r.ran);
445	<
446	<	f = new CompletableFuture<>();
447	<	f.complete(one);
448	<	g = f.handle(r = new IntegerHandler());
449	<	assertTrue(r.ran);
450	<	checkCompletedNormally(g, two);
451	<
452	<	f = new CompletableFuture<>();
453	<	g = f.handle(r = new IntegerHandler());
454	<	assertFalse(r.ran);
455	<	f.complete(one);
456	<	assertTrue(r.ran);
457	<	checkCompletedNormally(g, two);
458	<	}
459	<
460	<	/**
461	<	* runAsync completes after running Runnable
462	<	*/
463	<	public void testRunAsync() {
464	<	Noop r = new Noop();
465	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
466	<	assertNull(f.join());
467	<	assertTrue(r.ran);
468	<	checkCompletedNormally(f, null);
469	<	}
470	<
471	<	/**
472	<	* runAsync with executor completes after running Runnable
473	<	*/
474	<	public void testRunAsync2() {
475	<	Noop r = new Noop();
476	<	ThreadExecutor exec = new ThreadExecutor();
477	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
478	<	assertNull(f.join());
479	<	assertTrue(r.ran);
480	<	checkCompletedNormally(f, null);
481	<	assertEquals(1, exec.count.get());
482	<	}
483	<
484	<	/**
485	<	* failing runAsync completes exceptionally after running Runnable
486	<	*/
487	<	public void testRunAsync3() {
488	<	FailingNoop r = new FailingNoop();
489	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
490	<	checkCompletedWithWrappedCFException(f);
491	<	assertTrue(r.ran);
492	<	}
493	<
494	<	/**
495	<	* supplyAsync completes with result of supplier
496	<	*/
497	<	public void testSupplyAsync() {
498	<	CompletableFuture<Integer> f;
499	<	f = CompletableFuture.supplyAsync(supplyOne);
500	<	assertEquals(f.join(), one);
501	<	checkCompletedNormally(f, one);
502	<	}
503	<
504	<	/**
505	<	* supplyAsync with executor completes with result of supplier
506	<	*/
507	<	public void testSupplyAsync2() {
508	<	CompletableFuture<Integer> f;
509	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
510	<	assertEquals(f.join(), one);
511	<	checkCompletedNormally(f, one);
512	<	}
513	<
514	<	/**
515	<	* Failing supplyAsync completes exceptionally
516	<	*/
517	<	public void testSupplyAsync3() {
518	<	FailingSupplier r = new FailingSupplier();
519	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
520	<	checkCompletedWithWrappedCFException(f);
521	<	assertTrue(r.ran);
522	<	}
523	<
524	<	// seq completion methods
525	<
526	<	/**
527	<	* thenRun result completes normally after normal completion of source
528	<	*/
529	<	public void testThenRun() {
530	<	CompletableFuture<Integer> f;
531	<	CompletableFuture<Void> g;
532	<	Noop r;
533	<
534	<	f = new CompletableFuture<>();
535	<	g = f.thenRun(r = new Noop());
536	<	f.complete(null);
537	<	checkCompletedNormally(g, null);
538	<	assertTrue(r.ran);
539	<
540	<	f = new CompletableFuture<>();
541	<	f.complete(null);
542	<	g = f.thenRun(r = new Noop());
543	<	checkCompletedNormally(g, null);
544	<	assertTrue(r.ran);
545	<	}
546	<
547	<	/**
548	<	* thenRun result completes exceptionally after exceptional
549	<	* completion of source
550	<	*/
551	<	public void testThenRun2() {
552	<	CompletableFuture<Integer> f;
553	<	CompletableFuture<Void> g;
554	<	Noop r;
555	<
556	<	f = new CompletableFuture<>();
557	<	g = f.thenRun(r = new Noop());
558	<	f.completeExceptionally(new CFException());
559	<	checkCompletedWithWrappedCFException(g);
560	<	assertFalse(r.ran);
561	<
562	<	f = new CompletableFuture<>();
563	<	f.completeExceptionally(new CFException());
564	<	g = f.thenRun(r = new Noop());
565	<	checkCompletedWithWrappedCFException(g);
566	<	assertFalse(r.ran);
567	<	}
568	<
569	<	/**
570	<	* thenRun result completes exceptionally if action does
571	<	*/
572	<	public void testThenRun3() {
573	<	CompletableFuture<Integer> f;
574	<	CompletableFuture<Void> g;
575	<	FailingNoop r;
576	<
577	<	f = new CompletableFuture<>();
578	<	g = f.thenRun(r = new FailingNoop());
579	<	f.complete(null);
580	<	checkCompletedWithWrappedCFException(g);
581	<
582	<	f = new CompletableFuture<>();
583	<	f.complete(null);
584	<	g = f.thenRun(r = new FailingNoop());
585	<	checkCompletedWithWrappedCFException(g);
586	<	}
587	<
588	<	/**
589	<	* thenRun result completes exceptionally if source cancelled
590	<	*/
591	<	public void testThenRun4() {
592	<	CompletableFuture<Integer> f;
593	<	CompletableFuture<Void> g;
594	<	Noop r;
595	<
596	<	f = new CompletableFuture<>();
597	<	g = f.thenRun(r = new Noop());
598	<	assertTrue(f.cancel(true));
599	<	checkCompletedWithWrappedCancellationException(g);
600	<
601	<	f = new CompletableFuture<>();
602	<	assertTrue(f.cancel(true));
603	<	g = f.thenRun(r = new Noop());
604	<	checkCompletedWithWrappedCancellationException(g);
605	<	}
606	<
607	<	/**
608	<	* thenApply result completes normally after normal completion of source
609	<	*/
610	<	public void testThenApply() {
611	<	CompletableFuture<Integer> f = new CompletableFuture<>();
612	<	CompletableFuture<Integer> g = f.thenApply(inc);
613	<	f.complete(one);
614	<	checkCompletedNormally(g, two);
430	>	static class IncFunction extends CheckedIntegerAction
431	>	implements Function<Integer,Integer>
432	>	{
433	>	IncFunction(ExecutionMode m) { super(m); }
434	>	public Integer apply(Integer x) {
435	>	invoked();
436	>	return value = inc(x);
437	>	}
438		}
439
440	<	/**
441	<	* thenApply result completes exceptionally after exceptional
442	<	* completion of source
443	<	*/
444	<	public void testThenApply2() {
445	<	CompletableFuture<Integer> f = new CompletableFuture<>();
623	<	CompletableFuture<Integer> g = f.thenApply(inc);
624	<	f.completeExceptionally(new CFException());
625	<	checkCompletedWithWrappedCFException(g);
440	>	// Choose non-commutative actions for better coverage
441	>	// A non-commutative function that handles and produces null values as well.
442	>	static Integer subtract(Integer x, Integer y) {
443	>	return (x == null && y == null) ? null :
444	>	((x == null) ? 42 : x.intValue())
445	>	- ((y == null) ? 99 : y.intValue());
446		}
447
448	<	/**
449	<	* thenApply result completes exceptionally if action does
450	<	*/
451	<	public void testThenApply3() {
452	<	CompletableFuture<Integer> f = new CompletableFuture<>();
453	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
454	<	f.complete(one);
455	<	checkCompletedWithWrappedCFException(g);
448	>	static class SubtractAction extends CheckedIntegerAction
449	>	implements BiConsumer<Integer, Integer>
450	>	{
451	>	SubtractAction(ExecutionMode m) { super(m); }
452	>	public void accept(Integer x, Integer y) {
453	>	invoked();
454	>	value = subtract(x, y);
455	>	}
456		}
457
458	<	/**
459	<	* thenApply result completes exceptionally if source cancelled
460	<	*/
461	<	public void testThenApply4() {
462	<	CompletableFuture<Integer> f = new CompletableFuture<>();
463	<	CompletableFuture<Integer> g = f.thenApply(inc);
464	<	assertTrue(f.cancel(true));
465	<	checkCompletedWithWrappedCancellationException(g);
458	>	static class SubtractFunction extends CheckedIntegerAction
459	>	implements BiFunction<Integer, Integer, Integer>
460	>	{
461	>	SubtractFunction(ExecutionMode m) { super(m); }
462	>	public Integer apply(Integer x, Integer y) {
463	>	invoked();
464	>	return value = subtract(x, y);
465	>	}
466		}
467
468	<	/**
469	<	* thenAccept result completes normally after normal completion of source
470	<	*/
471	<	public void testThenAccept() {
472	<	CompletableFuture<Integer> f = new CompletableFuture<>();
653	<	IncAction r = new IncAction();
654	<	CompletableFuture<Void> g = f.thenAccept(r);
655	<	f.complete(one);
656	<	checkCompletedNormally(g, null);
657	<	assertEquals(r.value, 2);
468	>	static class Noop extends CheckedAction implements Runnable {
469	>	Noop(ExecutionMode m) { super(m); }
470	>	public void run() {
471	>	invoked();
472	>	}
473		}
474
475	<	/**
476	<	* thenAccept result completes exceptionally after exceptional
477	<	* completion of source
478	<	*/
479	<	public void testThenAccept2() {
480	<	CompletableFuture<Integer> f = new CompletableFuture<>();
481	<	IncAction r = new IncAction();
482	<	CompletableFuture<Void> g = f.thenAccept(r);
483	<	f.completeExceptionally(new CFException());
669	<	checkCompletedWithWrappedCFException(g);
475	>	static class FailingSupplier extends CheckedAction
476	>	implements Supplier<Integer>
477	>	{
478	>	final CFException ex;
479	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
480	>	public Integer get() {
481	>	invoked();
482	>	throw ex;
483	>	}
484		}
485
486	<	/**
487	<	* thenAccept result completes exceptionally if action does
488	<	*/
489	<	public void testThenAccept3() {
490	<	CompletableFuture<Integer> f = new CompletableFuture<>();
491	<	FailingConsumer r = new FailingConsumer();
492	<	CompletableFuture<Void> g = f.thenAccept(r);
493	<	f.complete(one);
494	<	checkCompletedWithWrappedCFException(g);
495	<	assertTrue(r.ran);
486	>	static class FailingConsumer extends CheckedIntegerAction
487	>	implements Consumer<Integer>
488	>	{
489	>	final CFException ex;
490	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
491	>	public void accept(Integer x) {
492	>	invoked();
493	>	value = x;
494	>	throw ex;
495	>	}
496		}
497
498	<	/**
499	<	* thenAccept result completes exceptionally if source cancelled
500	<	*/
501	<	public void testThenAccept4() {
502	<	CompletableFuture<Integer> f = new CompletableFuture<>();
503	<	IncAction r = new IncAction();
504	<	CompletableFuture<Void> g = f.thenAccept(r);
505	<	assertTrue(f.cancel(true));
506	<	checkCompletedWithWrappedCancellationException(g);
498	>	static class FailingBiConsumer extends CheckedIntegerAction
499	>	implements BiConsumer<Integer, Integer>
500	>	{
501	>	final CFException ex;
502	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
503	>	public void accept(Integer x, Integer y) {
504	>	invoked();
505	>	value = subtract(x, y);
506	>	throw ex;
507	>	}
508		}
509
510	<	/**
511	<	* thenCombine result completes normally after normal completion
512	<	* of sources
513	<	*/
514	<	public void testThenCombine() {
515	<	CompletableFuture<Integer> f, g, h;
516	<
517	<	f = new CompletableFuture<>();
518	<	g = new CompletableFuture<>();
519	<	h = f.thenCombine(g, subtract);
705	<	f.complete(3);
706	<	checkIncomplete(h);
707	<	g.complete(1);
708	<	checkCompletedNormally(h, 2);
709	<
710	<	f = new CompletableFuture<>();
711	<	g = new CompletableFuture<>();
712	<	h = f.thenCombine(g, subtract);
713	<	g.complete(1);
714	<	checkIncomplete(h);
715	<	f.complete(3);
716	<	checkCompletedNormally(h, 2);
717	<
718	<	f = new CompletableFuture<>();
719	<	g = new CompletableFuture<>();
720	<	g.complete(1);
721	<	f.complete(3);
722	<	h = f.thenCombine(g, subtract);
723	<	checkCompletedNormally(h, 2);
510	>	static class FailingFunction extends CheckedIntegerAction
511	>	implements Function<Integer, Integer>
512	>	{
513	>	final CFException ex;
514	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
515	>	public Integer apply(Integer x) {
516	>	invoked();
517	>	value = x;
518	>	throw ex;
519	>	}
520		}
521
522	<	/**
523	<	* thenCombine result completes exceptionally after exceptional
524	<	* completion of either source
525	<	*/
526	<	public void testThenCombine2() {
527	<	CompletableFuture<Integer> f, g, h;
528	<
529	<	f = new CompletableFuture<>();
530	<	g = new CompletableFuture<>();
531	<	h = f.thenCombine(g, subtract);
736	<	f.completeExceptionally(new CFException());
737	<	checkIncomplete(h);
738	<	g.complete(1);
739	<	checkCompletedWithWrappedCFException(h);
740	<
741	<	f = new CompletableFuture<>();
742	<	g = new CompletableFuture<>();
743	<	h = f.thenCombine(g, subtract);
744	<	g.completeExceptionally(new CFException());
745	<	checkIncomplete(h);
746	<	f.complete(3);
747	<	checkCompletedWithWrappedCFException(h);
748	<
749	<	f = new CompletableFuture<>();
750	<	g = new CompletableFuture<>();
751	<	f.complete(3);
752	<	g.completeExceptionally(new CFException());
753	<	h = f.thenCombine(g, subtract);
754	<	checkCompletedWithWrappedCFException(h);
755	<
756	<	f = new CompletableFuture<>();
757	<	g = new CompletableFuture<>();
758	<	f.completeExceptionally(new CFException());
759	<	g.complete(3);
760	<	h = f.thenCombine(g, subtract);
761	<	checkCompletedWithWrappedCFException(h);
522	>	static class FailingBiFunction extends CheckedIntegerAction
523	>	implements BiFunction<Integer, Integer, Integer>
524	>	{
525	>	final CFException ex;
526	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
527	>	public Integer apply(Integer x, Integer y) {
528	>	invoked();
529	>	value = subtract(x, y);
530	>	throw ex;
531	>	}
532		}
533
534	<	/**
535	<	* thenCombine result completes exceptionally if action does
536	<	*/
537	<	public void testThenCombine3() {
538	<	CompletableFuture<Integer> f = new CompletableFuture<>();
539	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
540	<	FailingBiFunction r = new FailingBiFunction();
771	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
772	<	f.complete(one);
773	<	checkIncomplete(g);
774	<	assertFalse(r.ran);
775	<	f2.complete(two);
776	<	checkCompletedWithWrappedCFException(g);
777	<	assertTrue(r.ran);
534	>	static class FailingRunnable extends CheckedAction implements Runnable {
535	>	final CFException ex;
536	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
537	>	public void run() {
538	>	invoked();
539	>	throw ex;
540	>	}
541		}
542
543	<	/**
544	<	* thenCombine result completes exceptionally if either source cancelled
545	<	*/
546	<	public void testThenCombine4() {
547	<	CompletableFuture<Integer> f, g, h;
548	<
549	<	f = new CompletableFuture<>();
550	<	g = new CompletableFuture<>();
551	<	h = f.thenCombine(g, subtract);
552	<	assertTrue(f.cancel(true));
553	<	checkIncomplete(h);
791	<	g.complete(1);
792	<	checkCompletedWithWrappedCancellationException(h);
793	<
794	<	f = new CompletableFuture<>();
795	<	g = new CompletableFuture<>();
796	<	h = f.thenCombine(g, subtract);
797	<	assertTrue(g.cancel(true));
798	<	checkIncomplete(h);
799	<	f.complete(3);
800	<	checkCompletedWithWrappedCancellationException(h);
801	<
802	<	f = new CompletableFuture<>();
803	<	g = new CompletableFuture<>();
804	<	assertTrue(f.cancel(true));
805	<	assertTrue(g.cancel(true));
806	<	h = f.thenCombine(g, subtract);
807	<	checkCompletedWithWrappedCancellationException(h);
543	>	static class CompletableFutureInc extends CheckedIntegerAction
544	>	implements Function<Integer, CompletableFuture<Integer>>
545	>	{
546	>	CompletableFutureInc(ExecutionMode m) { super(m); }
547	>	public CompletableFuture<Integer> apply(Integer x) {
548	>	invoked();
549	>	value = x;
550	>	CompletableFuture<Integer> f = new CompletableFuture<>();
551	>	assertTrue(f.complete(inc(x)));
552	>	return f;
553	>	}
554		}
555
556	<	/**
557	<	* thenAcceptBoth result completes normally after normal
558	<	* completion of sources
559	<	*/
560	<	public void testThenAcceptBoth() {
561	<	CompletableFuture<Integer> f, g;
562	<	CompletableFuture<Void> h;
563	<	SubtractAction r;
564	<
565	<	f = new CompletableFuture<>();
820	<	g = new CompletableFuture<>();
821	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
822	<	f.complete(3);
823	<	checkIncomplete(h);
824	<	g.complete(1);
825	<	checkCompletedNormally(h, null);
826	<	assertEquals(r.value, 2);
827	<
828	<	f = new CompletableFuture<>();
829	<	g = new CompletableFuture<>();
830	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
831	<	g.complete(1);
832	<	checkIncomplete(h);
833	<	f.complete(3);
834	<	checkCompletedNormally(h, null);
835	<	assertEquals(r.value, 2);
836	<
837	<	f = new CompletableFuture<>();
838	<	g = new CompletableFuture<>();
839	<	g.complete(1);
840	<	f.complete(3);
841	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
842	<	checkCompletedNormally(h, null);
843	<	assertEquals(r.value, 2);
556	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
557	>	implements Function<Integer, CompletableFuture<Integer>>
558	>	{
559	>	final CFException ex;
560	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
561	>	public CompletableFuture<Integer> apply(Integer x) {
562	>	invoked();
563	>	value = x;
564	>	throw ex;
565	>	}
566		}
567
568	<	/**
569	<	* thenAcceptBoth result completes exceptionally after exceptional
570	<	* completion of either source
571	<	*/
572	<	public void testThenAcceptBoth2() {
573	<	CompletableFuture<Integer> f, g;
574	<	CompletableFuture<Void> h;
853	<	SubtractAction r;
854	<
855	<	f = new CompletableFuture<>();
856	<	g = new CompletableFuture<>();
857	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
858	<	f.completeExceptionally(new CFException());
859	<	checkIncomplete(h);
860	<	g.complete(1);
861	<	checkCompletedWithWrappedCFException(h);
862	<
863	<	f = new CompletableFuture<>();
864	<	g = new CompletableFuture<>();
865	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
866	<	g.completeExceptionally(new CFException());
867	<	checkIncomplete(h);
868	<	f.complete(3);
869	<	checkCompletedWithWrappedCFException(h);
870	<
871	<	f = new CompletableFuture<>();
872	<	g = new CompletableFuture<>();
873	<	f.complete(3);
874	<	g.completeExceptionally(new CFException());
875	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
876	<	checkCompletedWithWrappedCFException(h);
877	<
878	<	f = new CompletableFuture<>();
879	<	g = new CompletableFuture<>();
880	<	f.completeExceptionally(new CFException());
881	<	g.complete(3);
882	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
883	<	checkCompletedWithWrappedCFException(h);
568	>	static class CountingRejectingExecutor implements Executor {
569	>	final RejectedExecutionException ex = new RejectedExecutionException();
570	>	final AtomicInteger count = new AtomicInteger(0);
571	>	public void execute(Runnable r) {
572	>	count.getAndIncrement();
573	>	throw ex;
574	>	}
575		}
576
577	<	/**
578	<	* thenAcceptBoth result completes exceptionally if action does
579	<	*/
580	<	public void testThenAcceptBoth3() {
581	<	CompletableFuture<Integer> f, g;
582	<	CompletableFuture<Void> h;
583	<	FailingBiConsumer r;
893	<
894	<	f = new CompletableFuture<>();
895	<	g = new CompletableFuture<>();
896	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
897	<	f.complete(3);
898	<	checkIncomplete(h);
899	<	g.complete(1);
900	<	checkCompletedWithWrappedCFException(h);
577	>	// Used for explicit executor tests
578	>	static final class ThreadExecutor implements Executor {
579	>	final AtomicInteger count = new AtomicInteger(0);
580	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
581	>	static boolean startedCurrentThread() {
582	>	return Thread.currentThread().getThreadGroup() == tg;
583	>	}
584
585	<	f = new CompletableFuture<>();
586	<	g = new CompletableFuture<>();
587	<	f.complete(3);
588	<	g.complete(1);
906	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
907	<	checkCompletedWithWrappedCFException(h);
585	>	public void execute(Runnable r) {
586	>	count.getAndIncrement();
587	>	new Thread(tg, r).start();
588	>	}
589		}
590
591	<	/**
592	<	* thenAcceptBoth result completes exceptionally if either source cancelled
912	<	*/
913	<	public void testThenAcceptBoth4() {
914	<	CompletableFuture<Integer> f, g;
915	<	CompletableFuture<Void> h;
916	<	SubtractAction r;
917	<
918	<	f = new CompletableFuture<>();
919	<	g = new CompletableFuture<>();
920	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
921	<	assertTrue(f.cancel(true));
922	<	checkIncomplete(h);
923	<	g.complete(1);
924	<	checkCompletedWithWrappedCancellationException(h);
925	<
926	<	f = new CompletableFuture<>();
927	<	g = new CompletableFuture<>();
928	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
929	<	assertTrue(g.cancel(true));
930	<	checkIncomplete(h);
931	<	f.complete(3);
932	<	checkCompletedWithWrappedCancellationException(h);
933	<
934	<	f = new CompletableFuture<>();
935	<	g = new CompletableFuture<>();
936	<	f.complete(3);
937	<	assertTrue(g.cancel(true));
938	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
939	<	checkCompletedWithWrappedCancellationException(h);
940	<
941	<	f = new CompletableFuture<>();
942	<	g = new CompletableFuture<>();
943	<	assertTrue(f.cancel(true));
944	<	g.complete(3);
945	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
946	<	checkCompletedWithWrappedCancellationException(h);
947	<	}
591	>	static final boolean defaultExecutorIsCommonPool
592	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
593
594		/**
595		* Permits the testing of parallel code for the 3 different
596	<	* execution modes without repeating all the testing code.
596	>	* execution modes without copy/pasting all the test methods.
597		*/
598		enum ExecutionMode {
599	<	DEFAULT {
599	>	SYNC {
600	>	public void checkExecutionMode() {
601	>	assertFalse(ThreadExecutor.startedCurrentThread());
602	>	assertNull(ForkJoinTask.getPool());
603	>	}
604	>	public CompletableFuture<Void> runAsync(Runnable a) {
605	>	throw new UnsupportedOperationException();
606	>	}
607	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
608	>	throw new UnsupportedOperationException();
609	>	}
610	>	public <T> CompletableFuture<Void> thenRun
611	>	(CompletableFuture<T> f, Runnable a) {
612	>	return f.thenRun(a);
613	>	}
614	>	public <T> CompletableFuture<Void> thenAccept
615	>	(CompletableFuture<T> f, Consumer<? super T> a) {
616	>	return f.thenAccept(a);
617	>	}
618	>	public <T,U> CompletableFuture<U> thenApply
619	>	(CompletableFuture<T> f, Function<? super T,U> a) {
620	>	return f.thenApply(a);
621	>	}
622	>	public <T,U> CompletableFuture<U> thenCompose
623	>	(CompletableFuture<T> f,
624	>	Function<? super T,? extends CompletionStage<U>> a) {
625	>	return f.thenCompose(a);
626	>	}
627	>	public <T,U> CompletableFuture<U> handle
628	>	(CompletableFuture<T> f,
629	>	BiFunction<? super T,Throwable,? extends U> a) {
630	>	return f.handle(a);
631	>	}
632	>	public <T> CompletableFuture<T> whenComplete
633	>	(CompletableFuture<T> f,
634	>	BiConsumer<? super T,? super Throwable> a) {
635	>	return f.whenComplete(a);
636	>	}
637		public <T,U> CompletableFuture<Void> runAfterBoth
638	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
639	<	return f.runAfterBoth(g, r);
638	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
639	>	return f.runAfterBoth(g, a);
640	>	}
641	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
642	>	(CompletableFuture<T> f,
643	>	CompletionStage<? extends U> g,
644	>	BiConsumer<? super T,? super U> a) {
645	>	return f.thenAcceptBoth(g, a);
646	>	}
647	>	public <T,U,V> CompletableFuture<V> thenCombine
648	>	(CompletableFuture<T> f,
649	>	CompletionStage<? extends U> g,
650	>	BiFunction<? super T,? super U,? extends V> a) {
651	>	return f.thenCombine(g, a);
652	>	}
653	>	public <T> CompletableFuture<Void> runAfterEither
654	>	(CompletableFuture<T> f,
655	>	CompletionStage<?> g,
656	>	java.lang.Runnable a) {
657	>	return f.runAfterEither(g, a);
658	>	}
659	>	public <T> CompletableFuture<Void> acceptEither
660	>	(CompletableFuture<T> f,
661	>	CompletionStage<? extends T> g,
662	>	Consumer<? super T> a) {
663	>	return f.acceptEither(g, a);
664	>	}
665	>	public <T,U> CompletableFuture<U> applyToEither
666	>	(CompletableFuture<T> f,
667	>	CompletionStage<? extends T> g,
668	>	Function<? super T,U> a) {
669	>	return f.applyToEither(g, a);
670		}
671		},
672
673	<	DEFAULT_ASYNC {
673	>	ASYNC {
674	>	public void checkExecutionMode() {
675	>	assertEquals(defaultExecutorIsCommonPool,
676	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
677	>	}
678	>	public CompletableFuture<Void> runAsync(Runnable a) {
679	>	return CompletableFuture.runAsync(a);
680	>	}
681	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
682	>	return CompletableFuture.supplyAsync(a);
683	>	}
684	>	public <T> CompletableFuture<Void> thenRun
685	>	(CompletableFuture<T> f, Runnable a) {
686	>	return f.thenRunAsync(a);
687	>	}
688	>	public <T> CompletableFuture<Void> thenAccept
689	>	(CompletableFuture<T> f, Consumer<? super T> a) {
690	>	return f.thenAcceptAsync(a);
691	>	}
692	>	public <T,U> CompletableFuture<U> thenApply
693	>	(CompletableFuture<T> f, Function<? super T,U> a) {
694	>	return f.thenApplyAsync(a);
695	>	}
696	>	public <T,U> CompletableFuture<U> thenCompose
697	>	(CompletableFuture<T> f,
698	>	Function<? super T,? extends CompletionStage<U>> a) {
699	>	return f.thenComposeAsync(a);
700	>	}
701	>	public <T,U> CompletableFuture<U> handle
702	>	(CompletableFuture<T> f,
703	>	BiFunction<? super T,Throwable,? extends U> a) {
704	>	return f.handleAsync(a);
705	>	}
706	>	public <T> CompletableFuture<T> whenComplete
707	>	(CompletableFuture<T> f,
708	>	BiConsumer<? super T,? super Throwable> a) {
709	>	return f.whenCompleteAsync(a);
710	>	}
711		public <T,U> CompletableFuture<Void> runAfterBoth
712	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
713	<	return f.runAfterBothAsync(g, r);
712	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
713	>	return f.runAfterBothAsync(g, a);
714	>	}
715	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
716	>	(CompletableFuture<T> f,
717	>	CompletionStage<? extends U> g,
718	>	BiConsumer<? super T,? super U> a) {
719	>	return f.thenAcceptBothAsync(g, a);
720	>	}
721	>	public <T,U,V> CompletableFuture<V> thenCombine
722	>	(CompletableFuture<T> f,
723	>	CompletionStage<? extends U> g,
724	>	BiFunction<? super T,? super U,? extends V> a) {
725	>	return f.thenCombineAsync(g, a);
726	>	}
727	>	public <T> CompletableFuture<Void> runAfterEither
728	>	(CompletableFuture<T> f,
729	>	CompletionStage<?> g,
730	>	java.lang.Runnable a) {
731	>	return f.runAfterEitherAsync(g, a);
732	>	}
733	>	public <T> CompletableFuture<Void> acceptEither
734	>	(CompletableFuture<T> f,
735	>	CompletionStage<? extends T> g,
736	>	Consumer<? super T> a) {
737	>	return f.acceptEitherAsync(g, a);
738	>	}
739	>	public <T,U> CompletableFuture<U> applyToEither
740	>	(CompletableFuture<T> f,
741	>	CompletionStage<? extends T> g,
742	>	Function<? super T,U> a) {
743	>	return f.applyToEitherAsync(g, a);
744		}
745		},
746
747		EXECUTOR {
748	+	public void checkExecutionMode() {
749	+	assertTrue(ThreadExecutor.startedCurrentThread());
750	+	}
751	+	public CompletableFuture<Void> runAsync(Runnable a) {
752	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
753	+	}
754	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
755	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
756	+	}
757	+	public <T> CompletableFuture<Void> thenRun
758	+	(CompletableFuture<T> f, Runnable a) {
759	+	return f.thenRunAsync(a, new ThreadExecutor());
760	+	}
761	+	public <T> CompletableFuture<Void> thenAccept
762	+	(CompletableFuture<T> f, Consumer<? super T> a) {
763	+	return f.thenAcceptAsync(a, new ThreadExecutor());
764	+	}
765	+	public <T,U> CompletableFuture<U> thenApply
766	+	(CompletableFuture<T> f, Function<? super T,U> a) {
767	+	return f.thenApplyAsync(a, new ThreadExecutor());
768	+	}
769	+	public <T,U> CompletableFuture<U> thenCompose
770	+	(CompletableFuture<T> f,
771	+	Function<? super T,? extends CompletionStage<U>> a) {
772	+	return f.thenComposeAsync(a, new ThreadExecutor());
773	+	}
774	+	public <T,U> CompletableFuture<U> handle
775	+	(CompletableFuture<T> f,
776	+	BiFunction<? super T,Throwable,? extends U> a) {
777	+	return f.handleAsync(a, new ThreadExecutor());
778	+	}
779	+	public <T> CompletableFuture<T> whenComplete
780	+	(CompletableFuture<T> f,
781	+	BiConsumer<? super T,? super Throwable> a) {
782	+	return f.whenCompleteAsync(a, new ThreadExecutor());
783	+	}
784		public <T,U> CompletableFuture<Void> runAfterBoth
785	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
786	<	return f.runAfterBothAsync(g, r, new ThreadExecutor());
785	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
786	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
787	>	}
788	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
789	>	(CompletableFuture<T> f,
790	>	CompletionStage<? extends U> g,
791	>	BiConsumer<? super T,? super U> a) {
792	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
793	>	}
794	>	public <T,U,V> CompletableFuture<V> thenCombine
795	>	(CompletableFuture<T> f,
796	>	CompletionStage<? extends U> g,
797	>	BiFunction<? super T,? super U,? extends V> a) {
798	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
799	>	}
800	>	public <T> CompletableFuture<Void> runAfterEither
801	>	(CompletableFuture<T> f,
802	>	CompletionStage<?> g,
803	>	java.lang.Runnable a) {
804	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
805	>	}
806	>	public <T> CompletableFuture<Void> acceptEither
807	>	(CompletableFuture<T> f,
808	>	CompletionStage<? extends T> g,
809	>	Consumer<? super T> a) {
810	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
811	>	}
812	>	public <T,U> CompletableFuture<U> applyToEither
813	>	(CompletableFuture<T> f,
814	>	CompletionStage<? extends T> g,
815	>	Function<? super T,U> a) {
816	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
817		}
818		};
819
820	+	public abstract void checkExecutionMode();
821	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
822	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
823	+	public abstract <T> CompletableFuture<Void> thenRun
824	+	(CompletableFuture<T> f, Runnable a);
825	+	public abstract <T> CompletableFuture<Void> thenAccept
826	+	(CompletableFuture<T> f, Consumer<? super T> a);
827	+	public abstract <T,U> CompletableFuture<U> thenApply
828	+	(CompletableFuture<T> f, Function<? super T,U> a);
829	+	public abstract <T,U> CompletableFuture<U> thenCompose
830	+	(CompletableFuture<T> f,
831	+	Function<? super T,? extends CompletionStage<U>> a);
832	+	public abstract <T,U> CompletableFuture<U> handle
833	+	(CompletableFuture<T> f,
834	+	BiFunction<? super T,Throwable,? extends U> a);
835	+	public abstract <T> CompletableFuture<T> whenComplete
836	+	(CompletableFuture<T> f,
837	+	BiConsumer<? super T,? super Throwable> a);
838		public abstract <T,U> CompletableFuture<Void> runAfterBoth
839	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r);
839	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
840	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
841	>	(CompletableFuture<T> f,
842	>	CompletionStage<? extends U> g,
843	>	BiConsumer<? super T,? super U> a);
844	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
845	>	(CompletableFuture<T> f,
846	>	CompletionStage<? extends U> g,
847	>	BiFunction<? super T,? super U,? extends V> a);
848	>	public abstract <T> CompletableFuture<Void> runAfterEither
849	>	(CompletableFuture<T> f,
850	>	CompletionStage<?> g,
851	>	java.lang.Runnable a);
852	>	public abstract <T> CompletableFuture<Void> acceptEither
853	>	(CompletableFuture<T> f,
854	>	CompletionStage<? extends T> g,
855	>	Consumer<? super T> a);
856	>	public abstract <T,U> CompletableFuture<U> applyToEither
857	>	(CompletableFuture<T> f,
858	>	CompletionStage<? extends T> g,
859	>	Function<? super T,U> a);
860		}
861
862		/**
863	<	* runAfterBoth result completes normally after normal
864	<	* completion of sources
863	>	* exceptionally action is not invoked when source completes
864	>	* normally, and source result is propagated
865		*/
866	<	public void testRunAfterBoth_normalCompletion1() {
867	<	for (ExecutionMode m : ExecutionMode.values())
866	>	public void testExceptionally_normalCompletion() {
867	>	for (boolean createIncomplete : new boolean[] { true, false })
868		for (Integer v1 : new Integer[] { 1, null })
869	<	for (Integer v2 : new Integer[] { 2, null }) {
870	<
869	>	{
870	>	final AtomicInteger a = new AtomicInteger(0);
871		final CompletableFuture<Integer> f = new CompletableFuture<>();
872	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
873	<	final Noop r = new Noop();
874	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
872	>	if (!createIncomplete) assertTrue(f.complete(v1));
873	>	final CompletableFuture<Integer> g = f.exceptionally
874	>	((Throwable t) -> {
875	>	a.getAndIncrement();
876	>	threadFail("should not be called");
877	>	return null;            // unreached
878	>	});
879	>	if (createIncomplete) assertTrue(f.complete(v1));
880
881	<	f.complete(v1);
994	<	checkIncomplete(h);
995	<	assertFalse(r.ran);
996	<	g.complete(v2);
997	<
998	<	checkCompletedNormally(h, null);
999	<	assertTrue(r.ran);
881	>	checkCompletedNormally(g, v1);
882		checkCompletedNormally(f, v1);
883	<	checkCompletedNormally(g, v2);
884	<	}
1003	<	}
883	>	assertEquals(0, a.get());
884	>	}}
885
886	<	public void testRunAfterBoth_normalCompletion2() {
887	<	for (ExecutionMode m : ExecutionMode.values())
886	>	/**
887	>	* exceptionally action completes with function value on source
888	>	* exception
889	>	*/
890	>	public void testExceptionally_exceptionalCompletion() {
891	>	for (boolean createIncomplete : new boolean[] { true, false })
892		for (Integer v1 : new Integer[] { 1, null })
893	<	for (Integer v2 : new Integer[] { 2, null }) {
894	<
893	>	{
894	>	final AtomicInteger a = new AtomicInteger(0);
895	>	final CFException ex = new CFException();
896		final CompletableFuture<Integer> f = new CompletableFuture<>();
897	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
898	<	final Noop r = new Noop();
899	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
897	>	if (!createIncomplete) f.completeExceptionally(ex);
898	>	final CompletableFuture<Integer> g = f.exceptionally
899	>	((Throwable t) -> {
900	>	ExecutionMode.SYNC.checkExecutionMode();
901	>	threadAssertSame(t, ex);
902	>	a.getAndIncrement();
903	>	return v1;
904	>	});
905	>	if (createIncomplete) f.completeExceptionally(ex);
906
907	<	g.complete(v2);
908	<	checkIncomplete(h);
909	<	assertFalse(r.ran);
1018	<	f.complete(v1);
1019	<
1020	<	checkCompletedNormally(h, null);
1021	<	assertTrue(r.ran);
1022	<	checkCompletedNormally(f, v1);
1023	<	checkCompletedNormally(g, v2);
1024	<	}
1025	<	}
1026	<
1027	<	public void testRunAfterBoth_normalCompletion3() {
1028	<	for (ExecutionMode m : ExecutionMode.values())
1029	<	for (Integer v1 : new Integer[] { 1, null })
1030	<	for (Integer v2 : new Integer[] { 2, null }) {
907	>	checkCompletedNormally(g, v1);
908	>	assertEquals(1, a.get());
909	>	}}
910
911	+	/**
912	+	* If an "exceptionally action" throws an exception, it completes
913	+	* exceptionally with that exception
914	+	*/
915	+	public void testExceptionally_exceptionalCompletionActionFailed() {
916	+	for (boolean createIncomplete : new boolean[] { true, false })
917	+	{
918	+	final AtomicInteger a = new AtomicInteger(0);
919	+	final CFException ex1 = new CFException();
920	+	final CFException ex2 = new CFException();
921		final CompletableFuture<Integer> f = new CompletableFuture<>();
922	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
923	<	final Noop r = new Noop();
922	>	if (!createIncomplete) f.completeExceptionally(ex1);
923	>	final CompletableFuture<Integer> g = f.exceptionally
924	>	((Throwable t) -> {
925	>	ExecutionMode.SYNC.checkExecutionMode();
926	>	threadAssertSame(t, ex1);
927	>	a.getAndIncrement();
928	>	throw ex2;
929	>	});
930	>	if (createIncomplete) f.completeExceptionally(ex1);
931	>
932	>	checkCompletedWithWrappedException(g, ex2);
933	>	checkCompletedExceptionally(f, ex1);
934	>	assertEquals(1, a.get());
935	>	}}
936
937	<	g.complete(v2);
938	<	f.complete(v1);
939	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
940	<
941	<	checkCompletedNormally(h, null);
1041	<	assertTrue(r.ran);
1042	<	checkCompletedNormally(f, v1);
1043	<	checkCompletedNormally(g, v2);
1044	<	}
1045	<	}
1046	<
1047	<	public void testRunAfterBoth_normalCompletion4() {
937	>	/**
938	>	* whenComplete action executes on normal completion, propagating
939	>	* source result.
940	>	*/
941	>	public void testWhenComplete_normalCompletion() {
942		for (ExecutionMode m : ExecutionMode.values())
943	+	for (boolean createIncomplete : new boolean[] { true, false })
944		for (Integer v1 : new Integer[] { 1, null })
945	<	for (Integer v2 : new Integer[] { 2, null }) {
946	<
945	>	{
946	>	final AtomicInteger a = new AtomicInteger(0);
947		final CompletableFuture<Integer> f = new CompletableFuture<>();
948	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
949	<	final Noop r = new Noop();
948	>	if (!createIncomplete) assertTrue(f.complete(v1));
949	>	final CompletableFuture<Integer> g = m.whenComplete
950	>	(f,
951	>	(Integer result, Throwable t) -> {
952	>	m.checkExecutionMode();
953	>	threadAssertSame(result, v1);
954	>	threadAssertNull(t);
955	>	a.getAndIncrement();
956	>	});
957	>	if (createIncomplete) assertTrue(f.complete(v1));
958
959	<	f.complete(v1);
1057	<	g.complete(v2);
1058	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1059	<
1060	<	checkCompletedNormally(h, null);
1061	<	assertTrue(r.ran);
959	>	checkCompletedNormally(g, v1);
960		checkCompletedNormally(f, v1);
961	<	checkCompletedNormally(g, v2);
962	<	}
1065	<	}
961	>	assertEquals(1, a.get());
962	>	}}
963
964		/**
965	<	* runAfterBoth result completes exceptionally after exceptional
966	<	* completion of either source
965	>	* whenComplete action executes on exceptional completion, propagating
966	>	* source result.
967		*/
968	<	public void testRunAfterBoth_exceptionalCompletion1() {
968	>	public void testWhenComplete_exceptionalCompletion() {
969		for (ExecutionMode m : ExecutionMode.values())
970	<	for (Integer v1 : new Integer[] { 1, null }) {
971	<
972	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1076	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1077	<	final Noop r = new Noop();
1078	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
970	>	for (boolean createIncomplete : new boolean[] { true, false })
971	>	{
972	>	final AtomicInteger a = new AtomicInteger(0);
973		final CFException ex = new CFException();
974	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
975	+	if (!createIncomplete) f.completeExceptionally(ex);
976	+	final CompletableFuture<Integer> g = m.whenComplete
977	+	(f,
978	+	(Integer result, Throwable t) -> {
979	+	m.checkExecutionMode();
980	+	threadAssertNull(result);
981	+	threadAssertSame(t, ex);
982	+	a.getAndIncrement();
983	+	});
984	+	if (createIncomplete) f.completeExceptionally(ex);
985	+
986	+	checkCompletedWithWrappedException(g, ex);
987	+	checkCompletedExceptionally(f, ex);
988	+	assertEquals(1, a.get());
989	+	}}
990
991	<	f.completeExceptionally(ex);
992	<	checkIncomplete(h);
993	<	g.complete(v1);
994	<
995	<	checkCompletedWithWrappedCFException(h, ex);
1086	<	checkCompletedWithWrappedCFException(f, ex);
1087	<	assertFalse(r.ran);
1088	<	checkCompletedNormally(g, v1);
1089	<	}
1090	<	}
1091	<
1092	<	public void testRunAfterBoth_exceptionalCompletion2() {
991	>	/**
992	>	* whenComplete action executes on cancelled source, propagating
993	>	* CancellationException.
994	>	*/
995	>	public void testWhenComplete_sourceCancelled() {
996		for (ExecutionMode m : ExecutionMode.values())
997	<	for (Integer v1 : new Integer[] { 1, null }) {
998	<
997	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
998	>	for (boolean createIncomplete : new boolean[] { true, false })
999	>	{
1000	>	final AtomicInteger a = new AtomicInteger(0);
1001		final CompletableFuture<Integer> f = new CompletableFuture<>();
1002	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1003	<	final Noop r = new Noop();
1004	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1005	<	final CFException ex = new CFException();
1006	<
1007	<	g.completeExceptionally(ex);
1008	<	checkIncomplete(h);
1009	<	f.complete(v1);
1002	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1003	>	final CompletableFuture<Integer> g = m.whenComplete
1004	>	(f,
1005	>	(Integer result, Throwable t) -> {
1006	>	m.checkExecutionMode();
1007	>	threadAssertNull(result);
1008	>	threadAssertTrue(t instanceof CancellationException);
1009	>	a.getAndIncrement();
1010	>	});
1011	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1012
1013	<	checkCompletedWithWrappedCFException(h, ex);
1014	<	checkCompletedWithWrappedCFException(g, ex);
1015	<	assertFalse(r.ran);
1016	<	checkCompletedNormally(f, v1);
1110	<	}
1111	<	}
1013	>	checkCompletedWithWrappedCancellationException(g);
1014	>	checkCancelled(f);
1015	>	assertEquals(1, a.get());
1016	>	}}
1017
1018	<	public void testRunAfterBoth_exceptionalCompletion3() {
1018	>	/**
1019	>	* If a whenComplete action throws an exception when triggered by
1020	>	* a normal completion, it completes exceptionally
1021	>	*/
1022	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1023	>	for (boolean createIncomplete : new boolean[] { true, false })
1024		for (ExecutionMode m : ExecutionMode.values())
1025	<	for (Integer v1 : new Integer[] { 1, null }) {
1026	<
1027	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1118	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1119	<	final Noop r = new Noop();
1025	>	for (Integer v1 : new Integer[] { 1, null })
1026	>	{
1027	>	final AtomicInteger a = new AtomicInteger(0);
1028		final CFException ex = new CFException();
1029	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1030	+	if (!createIncomplete) assertTrue(f.complete(v1));
1031	+	final CompletableFuture<Integer> g = m.whenComplete
1032	+	(f,
1033	+	(Integer result, Throwable t) -> {
1034	+	m.checkExecutionMode();
1035	+	threadAssertSame(result, v1);
1036	+	threadAssertNull(t);
1037	+	a.getAndIncrement();
1038	+	throw ex;
1039	+	});
1040	+	if (createIncomplete) assertTrue(f.complete(v1));
1041
1042	<	g.completeExceptionally(ex);
1123	<	f.complete(v1);
1124	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1125	<
1126	<	checkCompletedWithWrappedCFException(h, ex);
1127	<	checkCompletedWithWrappedCFException(g, ex);
1128	<	assertFalse(r.ran);
1042	>	checkCompletedWithWrappedException(g, ex);
1043		checkCompletedNormally(f, v1);
1044	<	}
1045	<	}
1044	>	assertEquals(1, a.get());
1045	>	}}
1046
1047	<	public void testRunAfterBoth_exceptionalCompletion4() {
1047	>	/**
1048	>	* If a whenComplete action throws an exception when triggered by
1049	>	* a source completion that also throws an exception, the source
1050	>	* exception takes precedence (unlike handle)
1051	>	*/
1052	>	public void testWhenComplete_sourceFailedActionFailed() {
1053	>	for (boolean createIncomplete : new boolean[] { true, false })
1054		for (ExecutionMode m : ExecutionMode.values())
1055	<	for (Integer v1 : new Integer[] { 1, null }) {
1056	<
1055	>	{
1056	>	final AtomicInteger a = new AtomicInteger(0);
1057	>	final CFException ex1 = new CFException();
1058	>	final CFException ex2 = new CFException();
1059		final CompletableFuture<Integer> f = new CompletableFuture<>();
1138	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1139	–	final Noop r = new Noop();
1140	–	final CFException ex = new CFException();
1060
1061	<	f.completeExceptionally(ex);
1062	<	g.complete(v1);
1063	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1064	<
1065	<	checkCompletedWithWrappedCFException(h, ex);
1066	<	checkCompletedWithWrappedCFException(f, ex);
1067	<	assertFalse(r.ran);
1068	<	checkCompletedNormally(g, v1);
1061	>	if (!createIncomplete) f.completeExceptionally(ex1);
1062	>	final CompletableFuture<Integer> g = m.whenComplete
1063	>	(f,
1064	>	(Integer result, Throwable t) -> {
1065	>	m.checkExecutionMode();
1066	>	threadAssertSame(t, ex1);
1067	>	threadAssertNull(result);
1068	>	a.getAndIncrement();
1069	>	throw ex2;
1070	>	});
1071	>	if (createIncomplete) f.completeExceptionally(ex1);
1072	>
1073	>	checkCompletedWithWrappedException(g, ex1);
1074	>	checkCompletedExceptionally(f, ex1);
1075	>	if (testImplementationDetails) {
1076	>	assertEquals(1, ex1.getSuppressed().length);
1077	>	assertSame(ex2, ex1.getSuppressed()[0]);
1078		}
1079	<	}
1079	>	assertEquals(1, a.get());
1080	>	}}
1081
1082		/**
1083	<	* runAfterBoth result completes exceptionally if action does
1083	>	* handle action completes normally with function value on normal
1084	>	* completion of source
1085		*/
1086	<	public void testRunAfterBoth_actionFailed1() {
1086	>	public void testHandle_normalCompletion() {
1087		for (ExecutionMode m : ExecutionMode.values())
1088	+	for (boolean createIncomplete : new boolean[] { true, false })
1089		for (Integer v1 : new Integer[] { 1, null })
1090	<	for (Integer v2 : new Integer[] { 2, null }) {
1160	<
1090	>	{
1091		final CompletableFuture<Integer> f = new CompletableFuture<>();
1092	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1093	<	final FailingNoop r = new FailingNoop();
1094	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1095	<
1096	<	f.complete(v1);
1097	<	checkIncomplete(h);
1098	<	g.complete(v2);
1092	>	final AtomicInteger a = new AtomicInteger(0);
1093	>	if (!createIncomplete) assertTrue(f.complete(v1));
1094	>	final CompletableFuture<Integer> g = m.handle
1095	>	(f,
1096	>	(Integer result, Throwable t) -> {
1097	>	m.checkExecutionMode();
1098	>	threadAssertSame(result, v1);
1099	>	threadAssertNull(t);
1100	>	a.getAndIncrement();
1101	>	return inc(v1);
1102	>	});
1103	>	if (createIncomplete) assertTrue(f.complete(v1));
1104
1105	<	checkCompletedWithWrappedCFException(h);
1105	>	checkCompletedNormally(g, inc(v1));
1106		checkCompletedNormally(f, v1);
1107	<	checkCompletedNormally(g, v2);
1108	<	}
1174	<	}
1107	>	assertEquals(1, a.get());
1108	>	}}
1109
1110	<	public void testRunAfterBoth_actionFailed2() {
1110	>	/**
1111	>	* handle action completes normally with function value on
1112	>	* exceptional completion of source
1113	>	*/
1114	>	public void testHandle_exceptionalCompletion() {
1115		for (ExecutionMode m : ExecutionMode.values())
1116	+	for (boolean createIncomplete : new boolean[] { true, false })
1117		for (Integer v1 : new Integer[] { 1, null })
1118	<	for (Integer v2 : new Integer[] { 2, null }) {
1180	<
1118	>	{
1119		final CompletableFuture<Integer> f = new CompletableFuture<>();
1120	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1121	<	final FailingNoop r = new FailingNoop();
1122	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1123	<
1124	<	g.complete(v2);
1125	<	checkIncomplete(h);
1126	<	f.complete(v1);
1120	>	final AtomicInteger a = new AtomicInteger(0);
1121	>	final CFException ex = new CFException();
1122	>	if (!createIncomplete) f.completeExceptionally(ex);
1123	>	final CompletableFuture<Integer> g = m.handle
1124	>	(f,
1125	>	(Integer result, Throwable t) -> {
1126	>	m.checkExecutionMode();
1127	>	threadAssertNull(result);
1128	>	threadAssertSame(t, ex);
1129	>	a.getAndIncrement();
1130	>	return v1;
1131	>	});
1132	>	if (createIncomplete) f.completeExceptionally(ex);
1133
1134	<	checkCompletedWithWrappedCFException(h);
1135	<	checkCompletedNormally(f, v1);
1136	<	checkCompletedNormally(g, v2);
1137	<	}
1194	<	}
1134	>	checkCompletedNormally(g, v1);
1135	>	checkCompletedExceptionally(f, ex);
1136	>	assertEquals(1, a.get());
1137	>	}}
1138
1139		/**
1140	<	* runAfterBoth result completes exceptionally if either source cancelled
1140	>	* handle action completes normally with function value on
1141	>	* cancelled source
1142		*/
1143	<	public void testRunAfterBoth_sourceCancelled1() {
1143	>	public void testHandle_sourceCancelled() {
1144		for (ExecutionMode m : ExecutionMode.values())
1145		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1146	<	for (Integer v1 : new Integer[] { 1, null }) {
1147	<
1146	>	for (boolean createIncomplete : new boolean[] { true, false })
1147	>	for (Integer v1 : new Integer[] { 1, null })
1148	>	{
1149		final CompletableFuture<Integer> f = new CompletableFuture<>();
1150	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1151	<	final Noop r = new Noop();
1152	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1153	<
1154	<	assertTrue(f.cancel(mayInterruptIfRunning));
1155	<	checkIncomplete(h);
1156	<	g.complete(v1);
1150	>	final AtomicInteger a = new AtomicInteger(0);
1151	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1152	>	final CompletableFuture<Integer> g = m.handle
1153	>	(f,
1154	>	(Integer result, Throwable t) -> {
1155	>	m.checkExecutionMode();
1156	>	threadAssertNull(result);
1157	>	threadAssertTrue(t instanceof CancellationException);
1158	>	a.getAndIncrement();
1159	>	return v1;
1160	>	});
1161	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1162
1213	–	checkCompletedWithWrappedCancellationException(h);
1214	–	checkCancelled(f);
1215	–	assertFalse(r.ran);
1163		checkCompletedNormally(g, v1);
1164	<	}
1165	<	}
1166	<
1220	<	public void testRunAfterBoth_sourceCancelled2() {
1221	<	for (ExecutionMode m : ExecutionMode.values())
1222	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1223	<	for (Integer v1 : new Integer[] { 1, null }) {
1224	<
1225	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1226	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1227	<	final Noop r = new Noop();
1228	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1229	<
1230	<	assertTrue(g.cancel(mayInterruptIfRunning));
1231	<	checkIncomplete(h);
1232	<	f.complete(v1);
1233	<
1234	<	checkCompletedWithWrappedCancellationException(h);
1235	<	checkCancelled(g);
1236	<	assertFalse(r.ran);
1237	<	checkCompletedNormally(f, v1);
1238	<	}
1239	<	}
1164	>	checkCancelled(f);
1165	>	assertEquals(1, a.get());
1166	>	}}
1167
1168	<	public void testRunAfterBoth_sourceCancelled3() {
1168	>	/**
1169	>	* If a "handle action" throws an exception when triggered by
1170	>	* a normal completion, it completes exceptionally
1171	>	*/
1172	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1173		for (ExecutionMode m : ExecutionMode.values())
1174	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1175	<	for (Integer v1 : new Integer[] { 1, null }) {
1176	<
1174	>	for (boolean createIncomplete : new boolean[] { true, false })
1175	>	for (Integer v1 : new Integer[] { 1, null })
1176	>	{
1177		final CompletableFuture<Integer> f = new CompletableFuture<>();
1178	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1179	<	final Noop r = new Noop();
1180	<
1181	<	assertTrue(g.cancel(mayInterruptIfRunning));
1182	<	f.complete(v1);
1183	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1178	>	final AtomicInteger a = new AtomicInteger(0);
1179	>	final CFException ex = new CFException();
1180	>	if (!createIncomplete) assertTrue(f.complete(v1));
1181	>	final CompletableFuture<Integer> g = m.handle
1182	>	(f,
1183	>	(Integer result, Throwable t) -> {
1184	>	m.checkExecutionMode();
1185	>	threadAssertSame(result, v1);
1186	>	threadAssertNull(t);
1187	>	a.getAndIncrement();
1188	>	throw ex;
1189	>	});
1190	>	if (createIncomplete) assertTrue(f.complete(v1));
1191
1192	<	checkCompletedWithWrappedCancellationException(h);
1255	<	checkCancelled(g);
1256	<	assertFalse(r.ran);
1192	>	checkCompletedWithWrappedException(g, ex);
1193		checkCompletedNormally(f, v1);
1194	<	}
1195	<	}
1194	>	assertEquals(1, a.get());
1195	>	}}
1196
1197	<	public void testRunAfterBoth_sourceCancelled4() {
1197	>	/**
1198	>	* If a "handle action" throws an exception when triggered by
1199	>	* a source completion that also throws an exception, the action
1200	>	* exception takes precedence (unlike whenComplete)
1201	>	*/
1202	>	public void testHandle_sourceFailedActionFailed() {
1203	>	for (boolean createIncomplete : new boolean[] { true, false })
1204		for (ExecutionMode m : ExecutionMode.values())
1205	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1206	<	for (Integer v1 : new Integer[] { 1, null }) {
1207	<
1205	>	{
1206	>	final AtomicInteger a = new AtomicInteger(0);
1207	>	final CFException ex1 = new CFException();
1208	>	final CFException ex2 = new CFException();
1209		final CompletableFuture<Integer> f = new CompletableFuture<>();
1267	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1268	–	final Noop r = new Noop();
1210
1211	<	assertTrue(f.cancel(mayInterruptIfRunning));
1212	<	g.complete(v1);
1213	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1214	<
1215	<	checkCompletedWithWrappedCancellationException(h);
1216	<	checkCancelled(f);
1217	<	assertFalse(r.ran);
1218	<	checkCompletedNormally(g, v1);
1219	<	}
1220	<	}
1211	>	if (!createIncomplete) f.completeExceptionally(ex1);
1212	>	final CompletableFuture<Integer> g = m.handle
1213	>	(f,
1214	>	(Integer result, Throwable t) -> {
1215	>	m.checkExecutionMode();
1216	>	threadAssertNull(result);
1217	>	threadAssertSame(ex1, t);
1218	>	a.getAndIncrement();
1219	>	throw ex2;
1220	>	});
1221	>	if (createIncomplete) f.completeExceptionally(ex1);
1222	>
1223	>	checkCompletedWithWrappedException(g, ex2);
1224	>	checkCompletedExceptionally(f, ex1);
1225	>	assertEquals(1, a.get());
1226	>	}}
1227
1228		/**
1229	<	* applyToEither result completes normally after normal completion
1283	<	* of either source
1229	>	* runAsync completes after running Runnable
1230		*/
1231	<	public void testApplyToEither() {
1232	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1233	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1234	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1235	<	f.complete(one);
1236	<	checkCompletedNormally(g, two);
1237	<	f2.complete(one);
1238	<	checkCompletedNormally(g, two);
1239	<
1240	<	f = new CompletableFuture<>();
1241	<	f.complete(one);
1242	<	f2 = new CompletableFuture<>();
1243	<	g = f.applyToEither(f2, inc);
1298	<	checkCompletedNormally(g, two);
1299	<	}
1231	>	public void testRunAsync_normalCompletion() {
1232	>	ExecutionMode[] executionModes = {
1233	>	ExecutionMode.ASYNC,
1234	>	ExecutionMode.EXECUTOR,
1235	>	};
1236	>	for (ExecutionMode m : executionModes)
1237	>	{
1238	>	final Noop r = new Noop(m);
1239	>	final CompletableFuture<Void> f = m.runAsync(r);
1240	>	assertNull(f.join());
1241	>	checkCompletedNormally(f, null);
1242	>	r.assertInvoked();
1243	>	}}
1244
1245		/**
1246	<	* applyToEither result completes exceptionally after exceptional
1303	<	* completion of either source
1246	>	* failing runAsync completes exceptionally after running Runnable
1247		*/
1248	<	public void testApplyToEither2() {
1249	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1250	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1251	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1252	<	f.completeExceptionally(new CFException());
1253	<	f2.complete(one);
1254	<	checkCompletedWithWrappedCFException(g);
1248	>	public void testRunAsync_exceptionalCompletion() {
1249	>	ExecutionMode[] executionModes = {
1250	>	ExecutionMode.ASYNC,
1251	>	ExecutionMode.EXECUTOR,
1252	>	};
1253	>	for (ExecutionMode m : executionModes)
1254	>	{
1255	>	final FailingRunnable r = new FailingRunnable(m);
1256	>	final CompletableFuture<Void> f = m.runAsync(r);
1257	>	checkCompletedWithWrappedException(f, r.ex);
1258	>	r.assertInvoked();
1259	>	}}
1260	>
1261	>	@SuppressWarnings("FutureReturnValueIgnored")
1262	>	public void testRunAsync_rejectingExecutor() {
1263	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1264	>	try {
1265	>	CompletableFuture.runAsync(() -> {}, e);
1266	>	shouldThrow();
1267	>	} catch (Throwable t) {
1268	>	assertSame(e.ex, t);
1269	>	}
1270
1271	<	f = new CompletableFuture<>();
1314	<	f2 = new CompletableFuture<>();
1315	<	f2.completeExceptionally(new CFException());
1316	<	g = f.applyToEither(f2, inc);
1317	<	checkCompletedWithWrappedCFException(g);
1271	>	assertEquals(1, e.count.get());
1272		}
1273
1274		/**
1275	<	* applyToEither result completes exceptionally if action does
1322	<	*/
1323	<	public void testApplyToEither3() {
1324	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1325	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1326	<	FailingFunction r = new FailingFunction();
1327	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
1328	<	f2.complete(two);
1329	<	checkCompletedWithWrappedCFException(g);
1330	<	}
1331	<
1332	<	/**
1333	<	* applyToEither result completes exceptionally if either source cancelled
1275	>	* supplyAsync completes with result of supplier
1276		*/
1277	<	public void testApplyToEither4() {
1278	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1279	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1280	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1281	<	assertTrue(f.cancel(true));
1282	<	checkCompletedWithWrappedCancellationException(g);
1283	<	f = new CompletableFuture<>();
1284	<	f2 = new CompletableFuture<>();
1285	<	assertTrue(f2.cancel(true));
1286	<	checkCompletedWithWrappedCancellationException(g);
1287	<	}
1277	>	public void testSupplyAsync_normalCompletion() {
1278	>	ExecutionMode[] executionModes = {
1279	>	ExecutionMode.ASYNC,
1280	>	ExecutionMode.EXECUTOR,
1281	>	};
1282	>	for (ExecutionMode m : executionModes)
1283	>	for (Integer v1 : new Integer[] { 1, null })
1284	>	{
1285	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1286	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1287	>	assertSame(v1, f.join());
1288	>	checkCompletedNormally(f, v1);
1289	>	r.assertInvoked();
1290	>	}}
1291
1292		/**
1293	<	* acceptEither result completes normally after normal completion
1349	<	* of either source
1293	>	* Failing supplyAsync completes exceptionally
1294		*/
1295	<	public void testAcceptEither() {
1296	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1297	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1298	<	IncAction r = new IncAction();
1299	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1300	<	f.complete(one);
1301	<	checkCompletedNormally(g, null);
1302	<	f2.complete(one);
1303	<	checkCompletedNormally(g, null);
1304	<	assertEquals(r.value, 2);
1295	>	public void testSupplyAsync_exceptionalCompletion() {
1296	>	ExecutionMode[] executionModes = {
1297	>	ExecutionMode.ASYNC,
1298	>	ExecutionMode.EXECUTOR,
1299	>	};
1300	>	for (ExecutionMode m : executionModes)
1301	>	{
1302	>	FailingSupplier r = new FailingSupplier(m);
1303	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1304	>	checkCompletedWithWrappedException(f, r.ex);
1305	>	r.assertInvoked();
1306	>	}}
1307	>
1308	>	@SuppressWarnings("FutureReturnValueIgnored")
1309	>	public void testSupplyAsync_rejectingExecutor() {
1310	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1311	>	try {
1312	>	CompletableFuture.supplyAsync(() -> null, e);
1313	>	shouldThrow();
1314	>	} catch (Throwable t) {
1315	>	assertSame(e.ex, t);
1316	>	}
1317
1318	<	r = new IncAction();
1363	<	f = new CompletableFuture<>();
1364	<	f.complete(one);
1365	<	f2 = new CompletableFuture<>();
1366	<	g = f.acceptEither(f2, r);
1367	<	checkCompletedNormally(g, null);
1368	<	assertEquals(r.value, 2);
1318	>	assertEquals(1, e.count.get());
1319		}
1320
1321	<	/**
1372	<	* acceptEither result completes exceptionally after exceptional
1373	<	* completion of either source
1374	<	*/
1375	<	public void testAcceptEither2() {
1376	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1377	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1378	<	IncAction r = new IncAction();
1379	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1380	<	f.completeExceptionally(new CFException());
1381	<	f2.complete(one);
1382	<	checkCompletedWithWrappedCFException(g);
1383	<
1384	<	r = new IncAction();
1385	<	f = new CompletableFuture<>();
1386	<	f2 = new CompletableFuture<>();
1387	<	f2.completeExceptionally(new CFException());
1388	<	g = f.acceptEither(f2, r);
1389	<	checkCompletedWithWrappedCFException(g);
1390	<	}
1321	>	// seq completion methods
1322
1323		/**
1324	<	* acceptEither result completes exceptionally if action does
1324	>	* thenRun result completes normally after normal completion of source
1325		*/
1326	<	public void testAcceptEither3() {
1327	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1328	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1329	<	FailingConsumer r = new FailingConsumer();
1330	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1331	<	f2.complete(two);
1332	<	checkCompletedWithWrappedCFException(g);
1402	<	}
1326	>	public void testThenRun_normalCompletion() {
1327	>	for (ExecutionMode m : ExecutionMode.values())
1328	>	for (Integer v1 : new Integer[] { 1, null })
1329	>	{
1330	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1331	>	final Noop[] rs = new Noop[6];
1332	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1333
1334	<	/**
1335	<	* acceptEither result completes exceptionally if either source cancelled
1336	<	*/
1337	<	public void testAcceptEither4() {
1338	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1339	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1340	<	IncAction r = new IncAction();
1341	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1342	<	assertTrue(f.cancel(true));
1343	<	checkCompletedWithWrappedCancellationException(g);
1344	<	f = new CompletableFuture<>();
1345	<	f2 = new CompletableFuture<>();
1346	<	assertTrue(f2.cancel(true));
1347	<	checkCompletedWithWrappedCancellationException(g);
1348	<	}
1334	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1335	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1336	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1337	>	checkIncomplete(h0);
1338	>	checkIncomplete(h1);
1339	>	checkIncomplete(h2);
1340	>	assertTrue(f.complete(v1));
1341	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1342	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1343	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1344	>
1345	>	checkCompletedNormally(h0, null);
1346	>	checkCompletedNormally(h1, null);
1347	>	checkCompletedNormally(h2, null);
1348	>	checkCompletedNormally(h3, null);
1349	>	checkCompletedNormally(h4, null);
1350	>	checkCompletedNormally(h5, null);
1351	>	checkCompletedNormally(f, v1);
1352	>	for (Noop r : rs) r.assertInvoked();
1353	>	}}
1354
1355		/**
1356	<	* runAfterEither result completes normally after normal completion
1357	<	* of either source
1356	>	* thenRun result completes exceptionally after exceptional
1357	>	* completion of source
1358		*/
1359	<	public void testRunAfterEither() {
1360	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1361	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1362	<	Noop r = new Noop();
1363	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1364	<	f.complete(one);
1365	<	checkCompletedNormally(g, null);
1431	<	f2.complete(one);
1432	<	checkCompletedNormally(g, null);
1433	<	assertTrue(r.ran);
1359	>	public void testThenRun_exceptionalCompletion() {
1360	>	for (ExecutionMode m : ExecutionMode.values())
1361	>	{
1362	>	final CFException ex = new CFException();
1363	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1364	>	final Noop[] rs = new Noop[6];
1365	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1366
1367	<	r = new Noop();
1368	<	f = new CompletableFuture<>();
1369	<	f.complete(one);
1370	<	f2 = new CompletableFuture<>();
1371	<	g = f.runAfterEither(f2, r);
1372	<	checkCompletedNormally(g, null);
1373	<	assertTrue(r.ran);
1374	<	}
1367	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1368	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1369	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1370	>	checkIncomplete(h0);
1371	>	checkIncomplete(h1);
1372	>	checkIncomplete(h2);
1373	>	assertTrue(f.completeExceptionally(ex));
1374	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1375	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1376	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1377	>
1378	>	checkCompletedWithWrappedException(h0, ex);
1379	>	checkCompletedWithWrappedException(h1, ex);
1380	>	checkCompletedWithWrappedException(h2, ex);
1381	>	checkCompletedWithWrappedException(h3, ex);
1382	>	checkCompletedWithWrappedException(h4, ex);
1383	>	checkCompletedWithWrappedException(h5, ex);
1384	>	checkCompletedExceptionally(f, ex);
1385	>	for (Noop r : rs) r.assertNotInvoked();
1386	>	}}
1387
1388		/**
1389	<	* runAfterEither result completes exceptionally after exceptional
1446	<	* completion of either source
1389	>	* thenRun result completes exceptionally if source cancelled
1390		*/
1391	<	public void testRunAfterEither2() {
1392	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1393	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1394	<	Noop r = new Noop();
1395	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1396	<	f.completeExceptionally(new CFException());
1397	<	f2.complete(one);
1455	<	checkCompletedWithWrappedCFException(g);
1391	>	public void testThenRun_sourceCancelled() {
1392	>	for (ExecutionMode m : ExecutionMode.values())
1393	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1394	>	{
1395	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1396	>	final Noop[] rs = new Noop[6];
1397	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1398
1399	<	r = new Noop();
1400	<	f = new CompletableFuture<>();
1401	<	f2 = new CompletableFuture<>();
1402	<	f2.completeExceptionally(new CFException());
1403	<	g = f.runAfterEither(f2, r);
1404	<	checkCompletedWithWrappedCFException(g);
1405	<	}
1399	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1400	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1401	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1402	>	checkIncomplete(h0);
1403	>	checkIncomplete(h1);
1404	>	checkIncomplete(h2);
1405	>	assertTrue(f.cancel(mayInterruptIfRunning));
1406	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1407	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1408	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1409	>
1410	>	checkCompletedWithWrappedCancellationException(h0);
1411	>	checkCompletedWithWrappedCancellationException(h1);
1412	>	checkCompletedWithWrappedCancellationException(h2);
1413	>	checkCompletedWithWrappedCancellationException(h3);
1414	>	checkCompletedWithWrappedCancellationException(h4);
1415	>	checkCompletedWithWrappedCancellationException(h5);
1416	>	checkCancelled(f);
1417	>	for (Noop r : rs) r.assertNotInvoked();
1418	>	}}
1419
1420		/**
1421	<	* runAfterEither result completes exceptionally if action does
1421	>	* thenRun result completes exceptionally if action does
1422		*/
1423	<	public void testRunAfterEither3() {
1424	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1425	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1426	<	FailingNoop r = new FailingNoop();
1427	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1428	<	f2.complete(two);
1429	<	checkCompletedWithWrappedCFException(g);
1475	<	}
1423	>	public void testThenRun_actionFailed() {
1424	>	for (ExecutionMode m : ExecutionMode.values())
1425	>	for (Integer v1 : new Integer[] { 1, null })
1426	>	{
1427	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1428	>	final FailingRunnable[] rs = new FailingRunnable[6];
1429	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1430
1431	<	/**
1432	<	* runAfterEither result completes exceptionally if either source cancelled
1433	<	*/
1434	<	public void testRunAfterEither4() {
1435	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1436	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1437	<	Noop r = new Noop();
1438	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1439	<	assertTrue(f.cancel(true));
1440	<	checkCompletedWithWrappedCancellationException(g);
1441	<	f = new CompletableFuture<>();
1442	<	f2 = new CompletableFuture<>();
1443	<	assertTrue(f2.cancel(true));
1444	<	checkCompletedWithWrappedCancellationException(g);
1445	<	}
1431	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1432	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1433	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1434	>	assertTrue(f.complete(v1));
1435	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1436	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1437	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1438	>
1439	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1440	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1441	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1442	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1443	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1444	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1445	>	checkCompletedNormally(f, v1);
1446	>	}}
1447
1448		/**
1449	<	* thenCompose result completes normally after normal completion of source
1449	>	* thenApply result completes normally after normal completion of source
1450		*/
1451	<	public void testThenCompose() {
1452	<	CompletableFuture<Integer> f, g;
1453	<	CompletableFutureInc r;
1454	<
1455	<	f = new CompletableFuture<>();
1456	<	g = f.thenCompose(r = new CompletableFutureInc());
1457	<	f.complete(one);
1503	<	checkCompletedNormally(g, two);
1504	<	assertTrue(r.ran);
1451	>	public void testThenApply_normalCompletion() {
1452	>	for (ExecutionMode m : ExecutionMode.values())
1453	>	for (Integer v1 : new Integer[] { 1, null })
1454	>	{
1455	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1456	>	final IncFunction[] rs = new IncFunction[4];
1457	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1458
1459	<	f = new CompletableFuture<>();
1460	<	f.complete(one);
1461	<	g = f.thenCompose(r = new CompletableFutureInc());
1462	<	checkCompletedNormally(g, two);
1463	<	assertTrue(r.ran);
1464	<	}
1459	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1460	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1461	>	checkIncomplete(h0);
1462	>	checkIncomplete(h1);
1463	>	assertTrue(f.complete(v1));
1464	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1465	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1466	>
1467	>	checkCompletedNormally(h0, inc(v1));
1468	>	checkCompletedNormally(h1, inc(v1));
1469	>	checkCompletedNormally(h2, inc(v1));
1470	>	checkCompletedNormally(h3, inc(v1));
1471	>	checkCompletedNormally(f, v1);
1472	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1473	>	}}
1474
1475		/**
1476	<	* thenCompose result completes exceptionally after exceptional
1476	>	* thenApply result completes exceptionally after exceptional
1477		* completion of source
1478		*/
1479	<	public void testThenCompose2() {
1480	<	CompletableFuture<Integer> f, g;
1481	<	CompletableFutureInc r;
1482	<
1483	<	f = new CompletableFuture<>();
1484	<	g = f.thenCompose(r = new CompletableFutureInc());
1485	<	f.completeExceptionally(new CFException());
1524	<	checkCompletedWithWrappedCFException(g);
1525	<
1526	<	f = new CompletableFuture<>();
1527	<	f.completeExceptionally(new CFException());
1528	<	g = f.thenCompose(r = new CompletableFutureInc());
1529	<	checkCompletedWithWrappedCFException(g);
1530	<	}
1531	<
1532	<	/**
1533	<	* thenCompose result completes exceptionally if action does
1534	<	*/
1535	<	public void testThenCompose3() {
1536	<	CompletableFuture<Integer> f, g;
1537	<	FailingCompletableFutureFunction r;
1538	<
1539	<	f = new CompletableFuture<>();
1540	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1541	<	f.complete(one);
1542	<	checkCompletedWithWrappedCFException(g);
1479	>	public void testThenApply_exceptionalCompletion() {
1480	>	for (ExecutionMode m : ExecutionMode.values())
1481	>	{
1482	>	final CFException ex = new CFException();
1483	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1484	>	final IncFunction[] rs = new IncFunction[4];
1485	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1486
1487	<	f = new CompletableFuture<>();
1488	<	f.complete(one);
1489	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1490	<	checkCompletedWithWrappedCFException(g);
1491	<	}
1487	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1488	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1489	>	assertTrue(f.completeExceptionally(ex));
1490	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1491	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1492	>
1493	>	checkCompletedWithWrappedException(h0, ex);
1494	>	checkCompletedWithWrappedException(h1, ex);
1495	>	checkCompletedWithWrappedException(h2, ex);
1496	>	checkCompletedWithWrappedException(h3, ex);
1497	>	checkCompletedExceptionally(f, ex);
1498	>	for (IncFunction r : rs) r.assertNotInvoked();
1499	>	}}
1500
1501		/**
1502	<	* thenCompose result completes exceptionally if source cancelled
1502	>	* thenApply result completes exceptionally if source cancelled
1503		*/
1504	<	public void testThenCompose4() {
1505	<	CompletableFuture<Integer> f, g;
1506	<	CompletableFutureInc r;
1507	<
1508	<	f = new CompletableFuture<>();
1509	<	g = f.thenCompose(r = new CompletableFutureInc());
1510	<	assertTrue(f.cancel(true));
1560	<	checkCompletedWithWrappedCancellationException(g);
1561	<
1562	<	f = new CompletableFuture<>();
1563	<	assertTrue(f.cancel(true));
1564	<	g = f.thenCompose(r = new CompletableFutureInc());
1565	<	checkCompletedWithWrappedCancellationException(g);
1566	<	}
1567	<
1568	<	// asyncs
1504	>	public void testThenApply_sourceCancelled() {
1505	>	for (ExecutionMode m : ExecutionMode.values())
1506	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1507	>	{
1508	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1509	>	final IncFunction[] rs = new IncFunction[4];
1510	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1511
1512	<	/**
1513	<	* thenRunAsync result completes normally after normal completion of source
1514	<	*/
1515	<	public void testThenRunAsync() {
1516	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1575	<	Noop r = new Noop();
1576	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1577	<	f.complete(null);
1578	<	checkCompletedNormally(g, null);
1512	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1513	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1514	>	assertTrue(f.cancel(mayInterruptIfRunning));
1515	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1516	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1517
1518	<	// reordered version
1519	<	f = new CompletableFuture<>();
1520	<	f.complete(null);
1521	<	r = new Noop();
1522	<	g = f.thenRunAsync(r);
1523	<	checkCompletedNormally(g, null);
1524	<	}
1518	>	checkCompletedWithWrappedCancellationException(h0);
1519	>	checkCompletedWithWrappedCancellationException(h1);
1520	>	checkCompletedWithWrappedCancellationException(h2);
1521	>	checkCompletedWithWrappedCancellationException(h3);
1522	>	checkCancelled(f);
1523	>	for (IncFunction r : rs) r.assertNotInvoked();
1524	>	}}
1525
1526		/**
1527	<	* thenRunAsync result completes exceptionally after exceptional
1590	<	* completion of source
1527	>	* thenApply result completes exceptionally if action does
1528		*/
1529	<	public void testThenRunAsync2() {
1530	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1531	<	Noop r = new Noop();
1532	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1533	<	f.completeExceptionally(new CFException());
1534	<	try {
1535	<	g.join();
1599	<	shouldThrow();
1600	<	} catch (CompletionException success) {}
1601	<	checkCompletedWithWrappedCFException(g);
1602	<	}
1529	>	public void testThenApply_actionFailed() {
1530	>	for (ExecutionMode m : ExecutionMode.values())
1531	>	for (Integer v1 : new Integer[] { 1, null })
1532	>	{
1533	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1534	>	final FailingFunction[] rs = new FailingFunction[4];
1535	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1536
1537	<	/**
1538	<	* thenRunAsync result completes exceptionally if action does
1539	<	*/
1540	<	public void testThenRunAsync3() {
1541	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1542	<	FailingNoop r = new FailingNoop();
1543	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1544	<	f.complete(null);
1545	<	checkCompletedWithWrappedCFException(g);
1546	<	}
1537	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1538	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1539	>	assertTrue(f.complete(v1));
1540	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1541	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1542	>
1543	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1544	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1545	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1546	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1547	>	checkCompletedNormally(f, v1);
1548	>	}}
1549
1550		/**
1551	<	* thenRunAsync result completes exceptionally if source cancelled
1551	>	* thenAccept result completes normally after normal completion of source
1552		*/
1553	<	public void testThenRunAsync4() {
1554	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1555	<	Noop r = new Noop();
1556	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1557	<	assertTrue(f.cancel(true));
1558	<	checkCompletedWithWrappedCancellationException(g);
1559	<	}
1553	>	public void testThenAccept_normalCompletion() {
1554	>	for (ExecutionMode m : ExecutionMode.values())
1555	>	for (Integer v1 : new Integer[] { 1, null })
1556	>	{
1557	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1558	>	final NoopConsumer[] rs = new NoopConsumer[4];
1559	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1560
1561	<	/**
1562	<	* thenApplyAsync result completes normally after normal completion of source
1563	<	*/
1564	<	public void testThenApplyAsync() {
1565	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1566	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1567	<	f.complete(one);
1568	<	checkCompletedNormally(g, two);
1569	<	}
1561	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1562	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1563	>	checkIncomplete(h0);
1564	>	checkIncomplete(h1);
1565	>	assertTrue(f.complete(v1));
1566	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1567	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1568	>
1569	>	checkCompletedNormally(h0, null);
1570	>	checkCompletedNormally(h1, null);
1571	>	checkCompletedNormally(h2, null);
1572	>	checkCompletedNormally(h3, null);
1573	>	checkCompletedNormally(f, v1);
1574	>	for (NoopConsumer r : rs) r.assertValue(v1);
1575	>	}}
1576
1577		/**
1578	<	* thenApplyAsync result completes exceptionally after exceptional
1578	>	* thenAccept result completes exceptionally after exceptional
1579		* completion of source
1580		*/
1581	<	public void testThenApplyAsync2() {
1582	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1583	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1584	<	f.completeExceptionally(new CFException());
1585	<	checkCompletedWithWrappedCFException(g);
1586	<	}
1581	>	public void testThenAccept_exceptionalCompletion() {
1582	>	for (ExecutionMode m : ExecutionMode.values())
1583	>	{
1584	>	final CFException ex = new CFException();
1585	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1586	>	final NoopConsumer[] rs = new NoopConsumer[4];
1587	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1588
1589	<	/**
1590	<	* thenApplyAsync result completes exceptionally if action does
1591	<	*/
1592	<	public void testThenApplyAsync3() {
1593	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1594	<	FailingFunction r = new FailingFunction();
1595	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1596	<	f.complete(null);
1597	<	checkCompletedWithWrappedCFException(g);
1598	<	}
1589	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1590	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1591	>	assertTrue(f.completeExceptionally(ex));
1592	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1593	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1594	>
1595	>	checkCompletedWithWrappedException(h0, ex);
1596	>	checkCompletedWithWrappedException(h1, ex);
1597	>	checkCompletedWithWrappedException(h2, ex);
1598	>	checkCompletedWithWrappedException(h3, ex);
1599	>	checkCompletedExceptionally(f, ex);
1600	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1601	>	}}
1602
1603		/**
1604	<	* thenApplyAsync result completes exceptionally if source cancelled
1604	>	* thenAccept result completes exceptionally if source cancelled
1605		*/
1606	<	public void testThenApplyAsync4() {
1607	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1608	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1609	<	assertTrue(f.cancel(true));
1610	<	checkCompletedWithWrappedCancellationException(g);
1611	<	}
1606	>	public void testThenAccept_sourceCancelled() {
1607	>	for (ExecutionMode m : ExecutionMode.values())
1608	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1609	>	{
1610	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1611	>	final NoopConsumer[] rs = new NoopConsumer[4];
1612	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1613
1614	<	/**
1615	<	* thenAcceptAsync result completes normally after normal
1616	<	* completion of source
1617	<	*/
1618	<	public void testThenAcceptAsync() {
1673	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1674	<	IncAction r = new IncAction();
1675	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1676	<	f.complete(one);
1677	<	checkCompletedNormally(g, null);
1678	<	assertEquals(r.value, 2);
1679	<	}
1614	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1615	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1616	>	assertTrue(f.cancel(mayInterruptIfRunning));
1617	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1618	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1619
1620	<	/**
1621	<	* thenAcceptAsync result completes exceptionally after exceptional
1622	<	* completion of source
1623	<	*/
1624	<	public void testThenAcceptAsync2() {
1625	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1626	<	IncAction r = new IncAction();
1688	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1689	<	f.completeExceptionally(new CFException());
1690	<	checkCompletedWithWrappedCFException(g);
1691	<	}
1620	>	checkCompletedWithWrappedCancellationException(h0);
1621	>	checkCompletedWithWrappedCancellationException(h1);
1622	>	checkCompletedWithWrappedCancellationException(h2);
1623	>	checkCompletedWithWrappedCancellationException(h3);
1624	>	checkCancelled(f);
1625	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1626	>	}}
1627
1628		/**
1629	<	* thenAcceptAsync result completes exceptionally if action does
1629	>	* thenAccept result completes exceptionally if action does
1630		*/
1631	<	public void testThenAcceptAsync3() {
1632	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1633	<	FailingConsumer r = new FailingConsumer();
1634	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1635	<	f.complete(null);
1636	<	checkCompletedWithWrappedCFException(g);
1637	<	}
1631	>	public void testThenAccept_actionFailed() {
1632	>	for (ExecutionMode m : ExecutionMode.values())
1633	>	for (Integer v1 : new Integer[] { 1, null })
1634	>	{
1635	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1636	>	final FailingConsumer[] rs = new FailingConsumer[4];
1637	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1638
1639	<	/**
1640	<	* thenAcceptAsync result completes exceptionally if source cancelled
1641	<	*/
1642	<	public void testThenAcceptAsync4() {
1643	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1644	<	IncAction r = new IncAction();
1645	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1646	<	assertTrue(f.cancel(true));
1647	<	checkCompletedWithWrappedCancellationException(g);
1648	<	}
1639	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1640	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1641	>	assertTrue(f.complete(v1));
1642	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1643	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1644	>
1645	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1646	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1647	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1648	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1649	>	checkCompletedNormally(f, v1);
1650	>	}}
1651
1652		/**
1653	<	* thenCombineAsync result completes normally after normal
1654	<	* completion of sources
1653	>	* thenCombine result completes normally after normal completion
1654	>	* of sources
1655		*/
1656	<	public void testThenCombineAsync() {
1657	<	CompletableFuture<Integer> f, g, h;
1658	<
1659	<	f = new CompletableFuture<>();
1660	<	g = new CompletableFuture<>();
1661	<	h = f.thenCombineAsync(g, subtract);
1662	<	f.complete(3);
1663	<	checkIncomplete(h);
1664	<	g.complete(1);
1665	<	checkCompletedNormally(h, 2);
1656	>	public void testThenCombine_normalCompletion() {
1657	>	for (ExecutionMode m : ExecutionMode.values())
1658	>	for (boolean fFirst : new boolean[] { true, false })
1659	>	for (Integer v1 : new Integer[] { 1, null })
1660	>	for (Integer v2 : new Integer[] { 2, null })
1661	>	{
1662	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1663	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1664	>	final SubtractFunction[] rs = new SubtractFunction[6];
1665	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1666
1667	<	f = new CompletableFuture<>();
1668	<	g = new CompletableFuture<>();
1669	<	h = f.thenCombineAsync(g, subtract);
1670	<	g.complete(1);
1671	<	checkIncomplete(h);
1672	<	f.complete(3);
1673	<	checkCompletedNormally(h, 2);
1667	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1668	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1669	>	final Integer w1 =  fFirst ? v1 : v2;
1670	>	final Integer w2 = !fFirst ? v1 : v2;
1671	>
1672	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1673	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1674	>	assertTrue(fst.complete(w1));
1675	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1676	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1677	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1678	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1679	>	checkCompletedNormally(h1, subtract(w1, w1));
1680	>	checkCompletedNormally(h3, subtract(w1, w1));
1681	>	rs[1].assertValue(subtract(w1, w1));
1682	>	rs[3].assertValue(subtract(w1, w1));
1683	>	assertTrue(snd.complete(w2));
1684	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1685	>
1686	>	checkCompletedNormally(h0, subtract(v1, v2));
1687	>	checkCompletedNormally(h2, subtract(v1, v2));
1688	>	checkCompletedNormally(h4, subtract(v1, v2));
1689	>	rs[0].assertValue(subtract(v1, v2));
1690	>	rs[2].assertValue(subtract(v1, v2));
1691	>	rs[4].assertValue(subtract(v1, v2));
1692
1693	<	f = new CompletableFuture<>();
1694	<	g = new CompletableFuture<>();
1695	<	g.complete(1);
1741	<	f.complete(3);
1742	<	h = f.thenCombineAsync(g, subtract);
1743	<	checkCompletedNormally(h, 2);
1744	<	}
1693	>	checkCompletedNormally(f, v1);
1694	>	checkCompletedNormally(g, v2);
1695	>	}}
1696
1697		/**
1698	<	* thenCombineAsync result completes exceptionally after exceptional
1698	>	* thenCombine result completes exceptionally after exceptional
1699		* completion of either source
1700		*/
1701	<	public void testThenCombineAsync2() {
1702	<	CompletableFuture<Integer> f, g, h;
1703	<
1704	<	f = new CompletableFuture<>();
1705	<	g = new CompletableFuture<>();
1706	<	h = f.thenCombineAsync(g, subtract);
1707	<	f.completeExceptionally(new CFException());
1708	<	checkIncomplete(h);
1709	<	g.complete(1);
1710	<	checkCompletedWithWrappedCFException(h);
1711	<
1712	<	f = new CompletableFuture<>();
1713	<	g = new CompletableFuture<>();
1714	<	h = f.thenCombineAsync(g, subtract);
1715	<	g.completeExceptionally(new CFException());
1716	<	checkIncomplete(h);
1717	<	f.complete(3);
1718	<	checkCompletedWithWrappedCFException(h);
1719	<
1720	<	f = new CompletableFuture<>();
1721	<	g = new CompletableFuture<>();
1722	<	g.completeExceptionally(new CFException());
1723	<	f.complete(3);
1724	<	h = f.thenCombineAsync(g, subtract);
1725	<	checkCompletedWithWrappedCFException(h);
1726	<	}
1727	<
1728	<	/**
1729	<	* thenCombineAsync result completes exceptionally if action does
1730	<	*/
1731	<	public void testThenCombineAsync3() {
1732	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1733	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1734	<	FailingBiFunction r = new FailingBiFunction();
1735	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1736	<	f.complete(one);
1737	<	checkIncomplete(g);
1738	<	assertFalse(r.ran);
1739	<	f2.complete(two);
1789	<	checkCompletedWithWrappedCFException(g);
1790	<	assertTrue(r.ran);
1791	<	}
1792	<
1793	<	/**
1794	<	* thenCombineAsync result completes exceptionally if either source cancelled
1795	<	*/
1796	<	public void testThenCombineAsync4() {
1797	<	CompletableFuture<Integer> f, g, h;
1798	<
1799	<	f = new CompletableFuture<>();
1800	<	g = new CompletableFuture<>();
1801	<	h = f.thenCombineAsync(g, subtract);
1802	<	assertTrue(f.cancel(true));
1803	<	checkIncomplete(h);
1804	<	g.complete(1);
1805	<	checkCompletedWithWrappedCancellationException(h);
1806	<
1807	<	f = new CompletableFuture<>();
1808	<	g = new CompletableFuture<>();
1809	<	h = f.thenCombineAsync(g, subtract);
1810	<	assertTrue(g.cancel(true));
1811	<	checkIncomplete(h);
1812	<	f.complete(3);
1813	<	checkCompletedWithWrappedCancellationException(h);
1814	<
1815	<	f = new CompletableFuture<>();
1816	<	g = new CompletableFuture<>();
1817	<	g.complete(3);
1818	<	assertTrue(f.cancel(true));
1819	<	h = f.thenCombineAsync(g, subtract);
1820	<	checkCompletedWithWrappedCancellationException(h);
1821	<
1822	<	f = new CompletableFuture<>();
1823	<	g = new CompletableFuture<>();
1824	<	f.complete(3);
1825	<	assertTrue(g.cancel(true));
1826	<	h = f.thenCombineAsync(g, subtract);
1827	<	checkCompletedWithWrappedCancellationException(h);
1828	<	}
1829	<
1830	<	/**
1831	<	* thenAcceptBothAsync result completes normally after normal
1832	<	* completion of sources
1833	<	*/
1834	<	public void testThenAcceptBothAsync() {
1835	<	CompletableFuture<Integer> f, g;
1836	<	CompletableFuture<Void> h;
1837	<	SubtractAction r;
1838	<
1839	<	f = new CompletableFuture<>();
1840	<	g = new CompletableFuture<>();
1841	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1842	<	f.complete(3);
1843	<	checkIncomplete(h);
1844	<	g.complete(1);
1845	<	checkCompletedNormally(h, null);
1846	<	assertEquals(r.value, 2);
1847	<
1848	<	f = new CompletableFuture<>();
1849	<	g = new CompletableFuture<>();
1850	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1851	<	g.complete(1);
1852	<	checkIncomplete(h);
1853	<	f.complete(3);
1854	<	checkCompletedNormally(h, null);
1855	<	assertEquals(r.value, 2);
1856	<
1857	<	f = new CompletableFuture<>();
1858	<	g = new CompletableFuture<>();
1859	<	g.complete(1);
1860	<	f.complete(3);
1861	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1862	<	checkCompletedNormally(h, null);
1863	<	assertEquals(r.value, 2);
1864	<	}
1865	<
1866	<	/**
1867	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1868	<	* completion of source
1869	<	*/
1870	<	public void testThenAcceptBothAsync2() {
1871	<	CompletableFuture<Integer> f, g;
1872	<	CompletableFuture<Void> h;
1873	<	SubtractAction r;
1874	<
1875	<	f = new CompletableFuture<>();
1876	<	g = new CompletableFuture<>();
1877	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1878	<	f.completeExceptionally(new CFException());
1879	<	checkIncomplete(h);
1880	<	g.complete(1);
1881	<	checkCompletedWithWrappedCFException(h);
1882	<
1883	<	f = new CompletableFuture<>();
1884	<	g = new CompletableFuture<>();
1885	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1886	<	g.completeExceptionally(new CFException());
1887	<	checkIncomplete(h);
1888	<	f.complete(3);
1889	<	checkCompletedWithWrappedCFException(h);
1890	<
1891	<	f = new CompletableFuture<>();
1892	<	g = new CompletableFuture<>();
1893	<	f.complete(3);
1894	<	g.completeExceptionally(new CFException());
1895	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1896	<	checkCompletedWithWrappedCFException(h);
1897	<
1898	<	f = new CompletableFuture<>();
1899	<	g = new CompletableFuture<>();
1900	<	f.completeExceptionally(new CFException());
1901	<	g.complete(3);
1902	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1903	<	checkCompletedWithWrappedCFException(h);
1904	<	}
1701	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1702	>	for (ExecutionMode m : ExecutionMode.values())
1703	>	for (boolean fFirst : new boolean[] { true, false })
1704	>	for (boolean failFirst : new boolean[] { true, false })
1705	>	for (Integer v1 : new Integer[] { 1, null })
1706	>	{
1707	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1708	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1709	>	final CFException ex = new CFException();
1710	>	final SubtractFunction r1 = new SubtractFunction(m);
1711	>	final SubtractFunction r2 = new SubtractFunction(m);
1712	>	final SubtractFunction r3 = new SubtractFunction(m);
1713	>
1714	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1715	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1716	>	final Callable<Boolean> complete1 = failFirst ?
1717	>	() -> fst.completeExceptionally(ex) :
1718	>	() -> fst.complete(v1);
1719	>	final Callable<Boolean> complete2 = failFirst ?
1720	>	() -> snd.complete(v1) :
1721	>	() -> snd.completeExceptionally(ex);
1722	>
1723	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1724	>	assertTrue(complete1.call());
1725	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1726	>	checkIncomplete(h1);
1727	>	checkIncomplete(h2);
1728	>	assertTrue(complete2.call());
1729	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1730	>
1731	>	checkCompletedWithWrappedException(h1, ex);
1732	>	checkCompletedWithWrappedException(h2, ex);
1733	>	checkCompletedWithWrappedException(h3, ex);
1734	>	r1.assertNotInvoked();
1735	>	r2.assertNotInvoked();
1736	>	r3.assertNotInvoked();
1737	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1738	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1739	>	}}
1740
1741		/**
1742	<	* thenAcceptBothAsync result completes exceptionally if action does
1742	>	* thenCombine result completes exceptionally if either source cancelled
1743		*/
1744	<	public void testThenAcceptBothAsync3() {
1745	<	CompletableFuture<Integer> f, g;
1746	<	CompletableFuture<Void> h;
1747	<	FailingBiConsumer r;
1748	<
1749	<	f = new CompletableFuture<>();
1750	<	g = new CompletableFuture<>();
1751	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1752	<	f.complete(3);
1753	<	checkIncomplete(h);
1754	<	g.complete(1);
1755	<	checkCompletedWithWrappedCFException(h);
1756	<
1757	<	f = new CompletableFuture<>();
1758	<	g = new CompletableFuture<>();
1759	<	f.complete(3);
1760	<	g.complete(1);
1761	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1762	<	checkCompletedWithWrappedCFException(h);
1763	<	}
1744	>	public void testThenCombine_sourceCancelled() throws Throwable {
1745	>	for (ExecutionMode m : ExecutionMode.values())
1746	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1747	>	for (boolean fFirst : new boolean[] { true, false })
1748	>	for (boolean failFirst : new boolean[] { true, false })
1749	>	for (Integer v1 : new Integer[] { 1, null })
1750	>	{
1751	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1752	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1753	>	final SubtractFunction r1 = new SubtractFunction(m);
1754	>	final SubtractFunction r2 = new SubtractFunction(m);
1755	>	final SubtractFunction r3 = new SubtractFunction(m);
1756	>
1757	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1758	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1759	>	final Callable<Boolean> complete1 = failFirst ?
1760	>	() -> fst.cancel(mayInterruptIfRunning) :
1761	>	() -> fst.complete(v1);
1762	>	final Callable<Boolean> complete2 = failFirst ?
1763	>	() -> snd.complete(v1) :
1764	>	() -> snd.cancel(mayInterruptIfRunning);
1765	>
1766	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1767	>	assertTrue(complete1.call());
1768	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1769	>	checkIncomplete(h1);
1770	>	checkIncomplete(h2);
1771	>	assertTrue(complete2.call());
1772	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1773	>
1774	>	checkCompletedWithWrappedCancellationException(h1);
1775	>	checkCompletedWithWrappedCancellationException(h2);
1776	>	checkCompletedWithWrappedCancellationException(h3);
1777	>	r1.assertNotInvoked();
1778	>	r2.assertNotInvoked();
1779	>	r3.assertNotInvoked();
1780	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1781	>	checkCancelled(failFirst ? fst : snd);
1782	>	}}
1783
1784		/**
1785	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
1785	>	* thenCombine result completes exceptionally if action does
1786		*/
1787	<	public void testThenAcceptBothAsync4() {
1788	<	CompletableFuture<Integer> f, g;
1789	<	CompletableFuture<Void> h;
1790	<	SubtractAction r;
1791	<
1792	<	f = new CompletableFuture<>();
1793	<	g = new CompletableFuture<>();
1794	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1795	<	assertTrue(f.cancel(true));
1796	<	checkIncomplete(h);
1797	<	g.complete(1);
1798	<	checkCompletedWithWrappedCancellationException(h);
1799	<
1800	<	f = new CompletableFuture<>();
1801	<	g = new CompletableFuture<>();
1802	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1803	<	assertTrue(g.cancel(true));
1804	<	checkIncomplete(h);
1805	<	f.complete(3);
1806	<	checkCompletedWithWrappedCancellationException(h);
1807	<
1808	<	f = new CompletableFuture<>();
1809	<	g = new CompletableFuture<>();
1810	<	f.complete(3);
1811	<	assertTrue(g.cancel(true));
1812	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1813	<	checkCompletedWithWrappedCancellationException(h);
1814	<
1815	<	f = new CompletableFuture<>();
1816	<	g = new CompletableFuture<>();
1817	<	assertTrue(f.cancel(true));
1818	<	g.complete(3);
1965	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1966	<	checkCompletedWithWrappedCancellationException(h);
1967	<	}
1787	>	public void testThenCombine_actionFailed() {
1788	>	for (ExecutionMode m : ExecutionMode.values())
1789	>	for (boolean fFirst : new boolean[] { true, false })
1790	>	for (Integer v1 : new Integer[] { 1, null })
1791	>	for (Integer v2 : new Integer[] { 2, null })
1792	>	{
1793	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1794	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1795	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1796	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1797	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1798	>
1799	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1800	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1801	>	final Integer w1 =  fFirst ? v1 : v2;
1802	>	final Integer w2 = !fFirst ? v1 : v2;
1803	>
1804	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1805	>	assertTrue(fst.complete(w1));
1806	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1807	>	assertTrue(snd.complete(w2));
1808	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1809	>
1810	>	checkCompletedWithWrappedException(h1, r1.ex);
1811	>	checkCompletedWithWrappedException(h2, r2.ex);
1812	>	checkCompletedWithWrappedException(h3, r3.ex);
1813	>	r1.assertInvoked();
1814	>	r2.assertInvoked();
1815	>	r3.assertInvoked();
1816	>	checkCompletedNormally(f, v1);
1817	>	checkCompletedNormally(g, v2);
1818	>	}}
1819
1820		/**
1821	<	* applyToEitherAsync result completes normally after normal
1821	>	* thenAcceptBoth result completes normally after normal
1822		* completion of sources
1823		*/
1824	<	public void testApplyToEitherAsync() {
1825	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1826	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1827	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1828	<	f.complete(one);
1829	<	checkCompletedNormally(g, two);
1830	<
1831	<	f = new CompletableFuture<>();
1832	<	f.complete(one);
1833	<	f2 = new CompletableFuture<>();
1834	<	g = f.applyToEitherAsync(f2, inc);
1835	<	checkCompletedNormally(g, two);
1836	<	}
1824	>	public void testThenAcceptBoth_normalCompletion() {
1825	>	for (ExecutionMode m : ExecutionMode.values())
1826	>	for (boolean fFirst : new boolean[] { true, false })
1827	>	for (Integer v1 : new Integer[] { 1, null })
1828	>	for (Integer v2 : new Integer[] { 2, null })
1829	>	{
1830	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1831	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1832	>	final SubtractAction r1 = new SubtractAction(m);
1833	>	final SubtractAction r2 = new SubtractAction(m);
1834	>	final SubtractAction r3 = new SubtractAction(m);
1835	>
1836	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1837	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1838	>	final Integer w1 =  fFirst ? v1 : v2;
1839	>	final Integer w2 = !fFirst ? v1 : v2;
1840	>
1841	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1842	>	assertTrue(fst.complete(w1));
1843	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1844	>	checkIncomplete(h1);
1845	>	checkIncomplete(h2);
1846	>	r1.assertNotInvoked();
1847	>	r2.assertNotInvoked();
1848	>	assertTrue(snd.complete(w2));
1849	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1850	>
1851	>	checkCompletedNormally(h1, null);
1852	>	checkCompletedNormally(h2, null);
1853	>	checkCompletedNormally(h3, null);
1854	>	r1.assertValue(subtract(v1, v2));
1855	>	r2.assertValue(subtract(v1, v2));
1856	>	r3.assertValue(subtract(v1, v2));
1857	>	checkCompletedNormally(f, v1);
1858	>	checkCompletedNormally(g, v2);
1859	>	}}
1860
1861		/**
1862	<	* applyToEitherAsync result completes exceptionally after exceptional
1863	<	* completion of source
1862	>	* thenAcceptBoth result completes exceptionally after exceptional
1863	>	* completion of either source
1864		*/
1865	<	public void testApplyToEitherAsync2() {
1866	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1867	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1868	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1869	<	f.completeExceptionally(new CFException());
1870	<	checkCompletedWithWrappedCFException(g);
1871	<
1872	<	f = new CompletableFuture<>();
1873	<	f2 = new CompletableFuture<>();
1874	<	f2.completeExceptionally(new CFException());
1875	<	g = f.applyToEitherAsync(f2, inc);
1876	<	f.complete(one);
1877	<	checkCompletedWithWrappedCFException(g);
1878	<	}
1865	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1866	>	for (ExecutionMode m : ExecutionMode.values())
1867	>	for (boolean fFirst : new boolean[] { true, false })
1868	>	for (boolean failFirst : new boolean[] { true, false })
1869	>	for (Integer v1 : new Integer[] { 1, null })
1870	>	{
1871	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1872	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1873	>	final CFException ex = new CFException();
1874	>	final SubtractAction r1 = new SubtractAction(m);
1875	>	final SubtractAction r2 = new SubtractAction(m);
1876	>	final SubtractAction r3 = new SubtractAction(m);
1877	>
1878	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1879	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1880	>	final Callable<Boolean> complete1 = failFirst ?
1881	>	() -> fst.completeExceptionally(ex) :
1882	>	() -> fst.complete(v1);
1883	>	final Callable<Boolean> complete2 = failFirst ?
1884	>	() -> snd.complete(v1) :
1885	>	() -> snd.completeExceptionally(ex);
1886	>
1887	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1888	>	assertTrue(complete1.call());
1889	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1890	>	checkIncomplete(h1);
1891	>	checkIncomplete(h2);
1892	>	assertTrue(complete2.call());
1893	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1894	>
1895	>	checkCompletedWithWrappedException(h1, ex);
1896	>	checkCompletedWithWrappedException(h2, ex);
1897	>	checkCompletedWithWrappedException(h3, ex);
1898	>	r1.assertNotInvoked();
1899	>	r2.assertNotInvoked();
1900	>	r3.assertNotInvoked();
1901	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1902	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1903	>	}}
1904
1905		/**
1906	<	* applyToEitherAsync result completes exceptionally if action does
1906	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1907		*/
1908	<	public void testApplyToEitherAsync3() {
1909	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1910	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1911	<	FailingFunction r = new FailingFunction();
1912	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1913	<	f.complete(one);
1914	<	checkCompletedWithWrappedCFException(g);
1915	<	}
1908	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1909	>	for (ExecutionMode m : ExecutionMode.values())
1910	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1911	>	for (boolean fFirst : new boolean[] { true, false })
1912	>	for (boolean failFirst : new boolean[] { true, false })
1913	>	for (Integer v1 : new Integer[] { 1, null })
1914	>	{
1915	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1916	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1917	>	final SubtractAction r1 = new SubtractAction(m);
1918	>	final SubtractAction r2 = new SubtractAction(m);
1919	>	final SubtractAction r3 = new SubtractAction(m);
1920	>
1921	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1922	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1923	>	final Callable<Boolean> complete1 = failFirst ?
1924	>	() -> fst.cancel(mayInterruptIfRunning) :
1925	>	() -> fst.complete(v1);
1926	>	final Callable<Boolean> complete2 = failFirst ?
1927	>	() -> snd.complete(v1) :
1928	>	() -> snd.cancel(mayInterruptIfRunning);
1929	>
1930	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1931	>	assertTrue(complete1.call());
1932	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1933	>	checkIncomplete(h1);
1934	>	checkIncomplete(h2);
1935	>	assertTrue(complete2.call());
1936	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1937	>
1938	>	checkCompletedWithWrappedCancellationException(h1);
1939	>	checkCompletedWithWrappedCancellationException(h2);
1940	>	checkCompletedWithWrappedCancellationException(h3);
1941	>	r1.assertNotInvoked();
1942	>	r2.assertNotInvoked();
1943	>	r3.assertNotInvoked();
1944	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1945	>	checkCancelled(failFirst ? fst : snd);
1946	>	}}
1947
1948		/**
1949	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1949	>	* thenAcceptBoth result completes exceptionally if action does
1950		*/
1951	<	public void testApplyToEitherAsync4() {
1952	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1953	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1954	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1955	<	assertTrue(f.cancel(true));
1956	<	checkCompletedWithWrappedCancellationException(g);
1957	<
1958	<	f = new CompletableFuture<>();
1959	<	f2 = new CompletableFuture<>();
1960	<	assertTrue(f2.cancel(true));
1961	<	g = f.applyToEitherAsync(f2, inc);
1962	<	checkCompletedWithWrappedCancellationException(g);
1963	<	}
1951	>	public void testThenAcceptBoth_actionFailed() {
1952	>	for (ExecutionMode m : ExecutionMode.values())
1953	>	for (boolean fFirst : new boolean[] { true, false })
1954	>	for (Integer v1 : new Integer[] { 1, null })
1955	>	for (Integer v2 : new Integer[] { 2, null })
1956	>	{
1957	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1958	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1959	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1960	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1961	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1962	>
1963	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1964	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1965	>	final Integer w1 =  fFirst ? v1 : v2;
1966	>	final Integer w2 = !fFirst ? v1 : v2;
1967	>
1968	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1969	>	assertTrue(fst.complete(w1));
1970	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1971	>	assertTrue(snd.complete(w2));
1972	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1973	>
1974	>	checkCompletedWithWrappedException(h1, r1.ex);
1975	>	checkCompletedWithWrappedException(h2, r2.ex);
1976	>	checkCompletedWithWrappedException(h3, r3.ex);
1977	>	r1.assertInvoked();
1978	>	r2.assertInvoked();
1979	>	r3.assertInvoked();
1980	>	checkCompletedNormally(f, v1);
1981	>	checkCompletedNormally(g, v2);
1982	>	}}
1983
1984		/**
1985	<	* acceptEitherAsync result completes normally after normal
1985	>	* runAfterBoth result completes normally after normal
1986		* completion of sources
1987		*/
1988	<	public void testAcceptEitherAsync() {
1989	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1990	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1991	<	IncAction r = new IncAction();
1992	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1993	<	f.complete(one);
1994	<	checkCompletedNormally(g, null);
1995	<	assertEquals(r.value, 2);
1996	<
1997	<	r = new IncAction();
1998	<	f = new CompletableFuture<>();
1999	<	f.complete(one);
2000	<	f2 = new CompletableFuture<>();
2001	<	g = f.acceptEitherAsync(f2, r);
2002	<	checkCompletedNormally(g, null);
2003	<	assertEquals(r.value, 2);
2004	<	}
2005	<
2006	<	/**
2007	<	* acceptEitherAsync result completes exceptionally after exceptional
2008	<	* completion of source
2009	<	*/
2010	<	public void testAcceptEitherAsync2() {
2011	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2012	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2013	<	IncAction r = new IncAction();
2014	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2015	<	f.completeExceptionally(new CFException());
2016	<	checkCompletedWithWrappedCFException(g);
2017	<
2018	<	r = new IncAction();
2019	<	f = new CompletableFuture<>();
2020	<	f2 = new CompletableFuture<>();
2021	<	f2.completeExceptionally(new CFException());
2022	<	g = f.acceptEitherAsync(f2, r);
2023	<	f.complete(one);
2075	<	checkCompletedWithWrappedCFException(g);
2076	<	}
2077	<
2078	<	/**
2079	<	* acceptEitherAsync result completes exceptionally if action does
2080	<	*/
2081	<	public void testAcceptEitherAsync3() {
2082	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2083	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2084	<	FailingConsumer r = new FailingConsumer();
2085	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2086	<	f.complete(one);
2087	<	checkCompletedWithWrappedCFException(g);
2088	<	}
2089	<
2090	<	/**
2091	<	* acceptEitherAsync result completes exceptionally if either
2092	<	* source cancelled
2093	<	*/
2094	<	public void testAcceptEitherAsync4() {
2095	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2096	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2097	<	IncAction r = new IncAction();
2098	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2099	<	assertTrue(f.cancel(true));
2100	<	checkCompletedWithWrappedCancellationException(g);
2101	<
2102	<	r = new IncAction();
2103	<	f = new CompletableFuture<>();
2104	<	f2 = new CompletableFuture<>();
2105	<	assertTrue(f2.cancel(true));
2106	<	g = f.acceptEitherAsync(f2, r);
2107	<	checkCompletedWithWrappedCancellationException(g);
2108	<	}
1988	>	public void testRunAfterBoth_normalCompletion() {
1989	>	for (ExecutionMode m : ExecutionMode.values())
1990	>	for (boolean fFirst : new boolean[] { true, false })
1991	>	for (Integer v1 : new Integer[] { 1, null })
1992	>	for (Integer v2 : new Integer[] { 2, null })
1993	>	{
1994	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1995	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1996	>	final Noop r1 = new Noop(m);
1997	>	final Noop r2 = new Noop(m);
1998	>	final Noop r3 = new Noop(m);
1999	>
2000	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2001	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2002	>	final Integer w1 =  fFirst ? v1 : v2;
2003	>	final Integer w2 = !fFirst ? v1 : v2;
2004	>
2005	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2006	>	assertTrue(fst.complete(w1));
2007	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2008	>	checkIncomplete(h1);
2009	>	checkIncomplete(h2);
2010	>	r1.assertNotInvoked();
2011	>	r2.assertNotInvoked();
2012	>	assertTrue(snd.complete(w2));
2013	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2014	>
2015	>	checkCompletedNormally(h1, null);
2016	>	checkCompletedNormally(h2, null);
2017	>	checkCompletedNormally(h3, null);
2018	>	r1.assertInvoked();
2019	>	r2.assertInvoked();
2020	>	r3.assertInvoked();
2021	>	checkCompletedNormally(f, v1);
2022	>	checkCompletedNormally(g, v2);
2023	>	}}
2024
2025		/**
2026	<	* runAfterEitherAsync result completes normally after normal
2027	<	* completion of sources
2026	>	* runAfterBoth result completes exceptionally after exceptional
2027	>	* completion of either source
2028		*/
2029	<	public void testRunAfterEitherAsync() {
2030	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2031	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2032	<	Noop r = new Noop();
2033	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2034	<	f.complete(one);
2035	<	checkCompletedNormally(g, null);
2036	<	assertTrue(r.ran);
2037	<
2038	<	r = new Noop();
2039	<	f = new CompletableFuture<>();
2040	<	f.complete(one);
2041	<	f2 = new CompletableFuture<>();
2042	<	g = f.runAfterEitherAsync(f2, r);
2043	<	checkCompletedNormally(g, null);
2044	<	assertTrue(r.ran);
2045	<	}
2029	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2030	>	for (ExecutionMode m : ExecutionMode.values())
2031	>	for (boolean fFirst : new boolean[] { true, false })
2032	>	for (boolean failFirst : new boolean[] { true, false })
2033	>	for (Integer v1 : new Integer[] { 1, null })
2034	>	{
2035	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2036	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2037	>	final CFException ex = new CFException();
2038	>	final Noop r1 = new Noop(m);
2039	>	final Noop r2 = new Noop(m);
2040	>	final Noop r3 = new Noop(m);
2041	>
2042	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2043	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2044	>	final Callable<Boolean> complete1 = failFirst ?
2045	>	() -> fst.completeExceptionally(ex) :
2046	>	() -> fst.complete(v1);
2047	>	final Callable<Boolean> complete2 = failFirst ?
2048	>	() -> snd.complete(v1) :
2049	>	() -> snd.completeExceptionally(ex);
2050	>
2051	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2052	>	assertTrue(complete1.call());
2053	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2054	>	checkIncomplete(h1);
2055	>	checkIncomplete(h2);
2056	>	assertTrue(complete2.call());
2057	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2058	>
2059	>	checkCompletedWithWrappedException(h1, ex);
2060	>	checkCompletedWithWrappedException(h2, ex);
2061	>	checkCompletedWithWrappedException(h3, ex);
2062	>	r1.assertNotInvoked();
2063	>	r2.assertNotInvoked();
2064	>	r3.assertNotInvoked();
2065	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2066	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2067	>	}}
2068
2069		/**
2070	<	* runAfterEitherAsync result completes exceptionally after exceptional
2134	<	* completion of source
2070	>	* runAfterBoth result completes exceptionally if either source cancelled
2071		*/
2072	<	public void testRunAfterEitherAsync2() {
2073	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2074	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2075	<	Noop r = new Noop();
2076	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2077	<	f.completeExceptionally(new CFException());
2078	<	checkCompletedWithWrappedCFException(g);
2079	<
2080	<	r = new Noop();
2081	<	f = new CompletableFuture<>();
2082	<	f2 = new CompletableFuture<>();
2083	<	f2.completeExceptionally(new CFException());
2084	<	g = f.runAfterEitherAsync(f2, r);
2085	<	f.complete(one);
2086	<	checkCompletedWithWrappedCFException(g);
2087	<	}
2072	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2073	>	for (ExecutionMode m : ExecutionMode.values())
2074	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2075	>	for (boolean fFirst : new boolean[] { true, false })
2076	>	for (boolean failFirst : new boolean[] { true, false })
2077	>	for (Integer v1 : new Integer[] { 1, null })
2078	>	{
2079	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2080	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2081	>	final Noop r1 = new Noop(m);
2082	>	final Noop r2 = new Noop(m);
2083	>	final Noop r3 = new Noop(m);
2084	>
2085	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2086	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2087	>	final Callable<Boolean> complete1 = failFirst ?
2088	>	() -> fst.cancel(mayInterruptIfRunning) :
2089	>	() -> fst.complete(v1);
2090	>	final Callable<Boolean> complete2 = failFirst ?
2091	>	() -> snd.complete(v1) :
2092	>	() -> snd.cancel(mayInterruptIfRunning);
2093	>
2094	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2095	>	assertTrue(complete1.call());
2096	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2097	>	checkIncomplete(h1);
2098	>	checkIncomplete(h2);
2099	>	assertTrue(complete2.call());
2100	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2101	>
2102	>	checkCompletedWithWrappedCancellationException(h1);
2103	>	checkCompletedWithWrappedCancellationException(h2);
2104	>	checkCompletedWithWrappedCancellationException(h3);
2105	>	r1.assertNotInvoked();
2106	>	r2.assertNotInvoked();
2107	>	r3.assertNotInvoked();
2108	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2109	>	checkCancelled(failFirst ? fst : snd);
2110	>	}}
2111
2112		/**
2113	<	* runAfterEitherAsync result completes exceptionally if action does
2113	>	* runAfterBoth result completes exceptionally if action does
2114		*/
2115	<	public void testRunAfterEitherAsync3() {
2116	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2117	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2118	<	FailingNoop r = new FailingNoop();
2119	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2120	<	f.complete(one);
2121	<	checkCompletedWithWrappedCFException(g);
2122	<	}
2115	>	public void testRunAfterBoth_actionFailed() {
2116	>	for (ExecutionMode m : ExecutionMode.values())
2117	>	for (boolean fFirst : new boolean[] { true, false })
2118	>	for (Integer v1 : new Integer[] { 1, null })
2119	>	for (Integer v2 : new Integer[] { 2, null })
2120	>	{
2121	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2122	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2123	>	final FailingRunnable r1 = new FailingRunnable(m);
2124	>	final FailingRunnable r2 = new FailingRunnable(m);
2125	>	final FailingRunnable r3 = new FailingRunnable(m);
2126	>
2127	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2128	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2129	>	final Integer w1 =  fFirst ? v1 : v2;
2130	>	final Integer w2 = !fFirst ? v1 : v2;
2131	>
2132	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2133	>	assertTrue(fst.complete(w1));
2134	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2135	>	assertTrue(snd.complete(w2));
2136	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2137	>
2138	>	checkCompletedWithWrappedException(h1, r1.ex);
2139	>	checkCompletedWithWrappedException(h2, r2.ex);
2140	>	checkCompletedWithWrappedException(h3, r3.ex);
2141	>	r1.assertInvoked();
2142	>	r2.assertInvoked();
2143	>	r3.assertInvoked();
2144	>	checkCompletedNormally(f, v1);
2145	>	checkCompletedNormally(g, v2);
2146	>	}}
2147
2148		/**
2149	<	* runAfterEitherAsync result completes exceptionally if either
2150	<	* source cancelled
2149	>	* applyToEither result completes normally after normal completion
2150	>	* of either source
2151		*/
2152	<	public void testRunAfterEitherAsync4() {
2153	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2154	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2155	<	Noop r = new Noop();
2156	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2157	<	assertTrue(f.cancel(true));
2158	<	checkCompletedWithWrappedCancellationException(g);
2159	<
2160	<	r = new Noop();
2178	<	f = new CompletableFuture<>();
2179	<	f2 = new CompletableFuture<>();
2180	<	assertTrue(f2.cancel(true));
2181	<	g = f.runAfterEitherAsync(f2, r);
2182	<	checkCompletedWithWrappedCancellationException(g);
2183	<	}
2152	>	public void testApplyToEither_normalCompletion() {
2153	>	for (ExecutionMode m : ExecutionMode.values())
2154	>	for (Integer v1 : new Integer[] { 1, null })
2155	>	for (Integer v2 : new Integer[] { 2, null })
2156	>	{
2157	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2158	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2159	>	final IncFunction[] rs = new IncFunction[6];
2160	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2161
2162	<	/**
2163	<	* thenComposeAsync result completes normally after normal
2164	<	* completion of source
2165	<	*/
2166	<	public void testThenComposeAsync() {
2167	<	CompletableFuture<Integer> f, g;
2168	<	CompletableFutureInc r;
2162	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2163	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2164	>	checkIncomplete(h0);
2165	>	checkIncomplete(h1);
2166	>	rs[0].assertNotInvoked();
2167	>	rs[1].assertNotInvoked();
2168	>	f.complete(v1);
2169	>	checkCompletedNormally(h0, inc(v1));
2170	>	checkCompletedNormally(h1, inc(v1));
2171	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2172	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2173	>	checkCompletedNormally(h2, inc(v1));
2174	>	checkCompletedNormally(h3, inc(v1));
2175	>	g.complete(v2);
2176
2177	<	f = new CompletableFuture<>();
2178	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2179	<	f.complete(one);
2180	<	checkCompletedNormally(g, two);
2177	>	// unspecified behavior - both source completions available
2178	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2179	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2180	>	rs[4].assertValue(h4.join());
2181	>	rs[5].assertValue(h5.join());
2182	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2183	>	Objects.equals(inc(v2), h4.join()));
2184	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2185	>	Objects.equals(inc(v2), h5.join()));
2186
2187	<	f = new CompletableFuture<>();
2188	<	f.complete(one);
2189	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2190	<	checkCompletedNormally(g, two);
2191	<	}
2187	>	checkCompletedNormally(f, v1);
2188	>	checkCompletedNormally(g, v2);
2189	>	checkCompletedNormally(h0, inc(v1));
2190	>	checkCompletedNormally(h1, inc(v1));
2191	>	checkCompletedNormally(h2, inc(v1));
2192	>	checkCompletedNormally(h3, inc(v1));
2193	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2194	>	}}
2195
2196		/**
2197	<	* thenComposeAsync result completes exceptionally after
2198	<	* exceptional completion of source
2197	>	* applyToEither result completes exceptionally after exceptional
2198	>	* completion of either source
2199		*/
2200	<	public void testThenComposeAsync2() {
2201	<	CompletableFuture<Integer> f, g;
2202	<	CompletableFutureInc r;
2203	<
2204	<	f = new CompletableFuture<>();
2205	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2206	<	f.completeExceptionally(new CFException());
2207	<	checkCompletedWithWrappedCFException(g);
2208	<	assertFalse(r.ran);
2217	<
2218	<	f = new CompletableFuture<>();
2219	<	f.completeExceptionally(new CFException());
2220	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2221	<	checkCompletedWithWrappedCFException(g);
2222	<	assertFalse(r.ran);
2223	<	}
2200	>	public void testApplyToEither_exceptionalCompletion() {
2201	>	for (ExecutionMode m : ExecutionMode.values())
2202	>	for (Integer v1 : new Integer[] { 1, null })
2203	>	{
2204	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2205	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2206	>	final CFException ex = new CFException();
2207	>	final IncFunction[] rs = new IncFunction[6];
2208	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2209
2210	<	/**
2211	<	* thenComposeAsync result completes exceptionally if action does
2212	<	*/
2213	<	public void testThenComposeAsync3() {
2214	<	CompletableFuture<Integer> f, g;
2215	<	FailingCompletableFutureFunction r;
2210	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2211	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2212	>	checkIncomplete(h0);
2213	>	checkIncomplete(h1);
2214	>	rs[0].assertNotInvoked();
2215	>	rs[1].assertNotInvoked();
2216	>	f.completeExceptionally(ex);
2217	>	checkCompletedWithWrappedException(h0, ex);
2218	>	checkCompletedWithWrappedException(h1, ex);
2219	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2220	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2221	>	checkCompletedWithWrappedException(h2, ex);
2222	>	checkCompletedWithWrappedException(h3, ex);
2223	>	g.complete(v1);
2224
2225	<	f = new CompletableFuture<>();
2226	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2227	<	f.complete(one);
2228	<	checkCompletedWithWrappedCFException(g);
2225	>	// unspecified behavior - both source completions available
2226	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2227	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2228	>	try {
2229	>	assertEquals(inc(v1), h4.join());
2230	>	rs[4].assertValue(inc(v1));
2231	>	} catch (CompletionException ok) {
2232	>	checkCompletedWithWrappedException(h4, ex);
2233	>	rs[4].assertNotInvoked();
2234	>	}
2235	>	try {
2236	>	assertEquals(inc(v1), h5.join());
2237	>	rs[5].assertValue(inc(v1));
2238	>	} catch (CompletionException ok) {
2239	>	checkCompletedWithWrappedException(h5, ex);
2240	>	rs[5].assertNotInvoked();
2241	>	}
2242
2243	<	f = new CompletableFuture<>();
2244	<	f.complete(one);
2245	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2246	<	checkCompletedWithWrappedCFException(g);
2247	<	}
2243	>	checkCompletedExceptionally(f, ex);
2244	>	checkCompletedNormally(g, v1);
2245	>	checkCompletedWithWrappedException(h0, ex);
2246	>	checkCompletedWithWrappedException(h1, ex);
2247	>	checkCompletedWithWrappedException(h2, ex);
2248	>	checkCompletedWithWrappedException(h3, ex);
2249	>	checkCompletedWithWrappedException(h4, ex);
2250	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2251	>	}}
2252
2253	<	/**
2254	<	* thenComposeAsync result completes exceptionally if source cancelled
2255	<	*/
2256	<	public void testThenComposeAsync4() {
2257	<	CompletableFuture<Integer> f, g;
2258	<	CompletableFutureInc r;
2253	>	public void testApplyToEither_exceptionalCompletion2() {
2254	>	for (ExecutionMode m : ExecutionMode.values())
2255	>	for (boolean fFirst : new boolean[] { true, false })
2256	>	for (Integer v1 : new Integer[] { 1, null })
2257	>	{
2258	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2259	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2260	>	final CFException ex = new CFException();
2261	>	final IncFunction[] rs = new IncFunction[6];
2262	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2263
2264	<	f = new CompletableFuture<>();
2265	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2266	<	assertTrue(f.cancel(true));
2267	<	checkCompletedWithWrappedCancellationException(g);
2264	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2265	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2266	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2267	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2268	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2269	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2270
2271	<	f = new CompletableFuture<>();
2272	<	assertTrue(f.cancel(true));
2273	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2274	<	checkCompletedWithWrappedCancellationException(g);
2275	<	}
2271	>	// unspecified behavior - both source completions available
2272	>	try {
2273	>	assertEquals(inc(v1), h0.join());
2274	>	rs[0].assertValue(inc(v1));
2275	>	} catch (CompletionException ok) {
2276	>	checkCompletedWithWrappedException(h0, ex);
2277	>	rs[0].assertNotInvoked();
2278	>	}
2279	>	try {
2280	>	assertEquals(inc(v1), h1.join());
2281	>	rs[1].assertValue(inc(v1));
2282	>	} catch (CompletionException ok) {
2283	>	checkCompletedWithWrappedException(h1, ex);
2284	>	rs[1].assertNotInvoked();
2285	>	}
2286	>	try {
2287	>	assertEquals(inc(v1), h2.join());
2288	>	rs[2].assertValue(inc(v1));
2289	>	} catch (CompletionException ok) {
2290	>	checkCompletedWithWrappedException(h2, ex);
2291	>	rs[2].assertNotInvoked();
2292	>	}
2293	>	try {
2294	>	assertEquals(inc(v1), h3.join());
2295	>	rs[3].assertValue(inc(v1));
2296	>	} catch (CompletionException ok) {
2297	>	checkCompletedWithWrappedException(h3, ex);
2298	>	rs[3].assertNotInvoked();
2299	>	}
2300
2301	<	// async with explicit executors
2301	>	checkCompletedNormally(f, v1);
2302	>	checkCompletedExceptionally(g, ex);
2303	>	}}
2304
2305		/**
2306	<	* thenRunAsync result completes normally after normal completion of source
2306	>	* applyToEither result completes exceptionally if either source cancelled
2307		*/
2308	<	public void testThenRunAsyncE() {
2309	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2310	<	Noop r = new Noop();
2311	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2312	<	f.complete(null);
2313	<	checkCompletedNormally(g, null);
2308	>	public void testApplyToEither_sourceCancelled() {
2309	>	for (ExecutionMode m : ExecutionMode.values())
2310	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2311	>	for (Integer v1 : new Integer[] { 1, null })
2312	>	{
2313	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2314	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2315	>	final IncFunction[] rs = new IncFunction[6];
2316	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2317
2318	<	// reordered version
2319	<	f = new CompletableFuture<>();
2320	<	f.complete(null);
2321	<	r = new Noop();
2322	<	g = f.thenRunAsync(r, new ThreadExecutor());
2323	<	checkCompletedNormally(g, null);
2324	<	}
2318	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2319	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2320	>	checkIncomplete(h0);
2321	>	checkIncomplete(h1);
2322	>	rs[0].assertNotInvoked();
2323	>	rs[1].assertNotInvoked();
2324	>	f.cancel(mayInterruptIfRunning);
2325	>	checkCompletedWithWrappedCancellationException(h0);
2326	>	checkCompletedWithWrappedCancellationException(h1);
2327	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2328	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2329	>	checkCompletedWithWrappedCancellationException(h2);
2330	>	checkCompletedWithWrappedCancellationException(h3);
2331	>	g.complete(v1);
2332
2333	<	/**
2334	<	* thenRunAsync result completes exceptionally after exceptional
2335	<	* completion of source
2284	<	*/
2285	<	public void testThenRunAsync2E() {
2286	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2287	<	Noop r = new Noop();
2288	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2289	<	f.completeExceptionally(new CFException());
2333	>	// unspecified behavior - both source completions available
2334	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2335	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2336		try {
2337	<	g.join();
2338	<	shouldThrow();
2339	<	} catch (CompletionException success) {}
2340	<	checkCompletedWithWrappedCFException(g);
2341	<	}
2337	>	assertEquals(inc(v1), h4.join());
2338	>	rs[4].assertValue(inc(v1));
2339	>	} catch (CompletionException ok) {
2340	>	checkCompletedWithWrappedCancellationException(h4);
2341	>	rs[4].assertNotInvoked();
2342	>	}
2343	>	try {
2344	>	assertEquals(inc(v1), h5.join());
2345	>	rs[5].assertValue(inc(v1));
2346	>	} catch (CompletionException ok) {
2347	>	checkCompletedWithWrappedCancellationException(h5);
2348	>	rs[5].assertNotInvoked();
2349	>	}
2350
2351	<	/**
2352	<	* thenRunAsync result completes exceptionally if action does
2353	<	*/
2354	<	public void testThenRunAsync3E() {
2355	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2356	<	FailingNoop r = new FailingNoop();
2357	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2358	<	f.complete(null);
2305	<	checkCompletedWithWrappedCFException(g);
2306	<	}
2351	>	checkCancelled(f);
2352	>	checkCompletedNormally(g, v1);
2353	>	checkCompletedWithWrappedCancellationException(h0);
2354	>	checkCompletedWithWrappedCancellationException(h1);
2355	>	checkCompletedWithWrappedCancellationException(h2);
2356	>	checkCompletedWithWrappedCancellationException(h3);
2357	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2358	>	}}
2359
2360	<	/**
2361	<	* thenRunAsync result completes exceptionally if source cancelled
2362	<	*/
2363	<	public void testThenRunAsync4E() {
2364	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2365	<	Noop r = new Noop();
2366	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2367	<	assertTrue(f.cancel(true));
2368	<	checkCompletedWithWrappedCancellationException(g);
2369	<	}
2360	>	public void testApplyToEither_sourceCancelled2() {
2361	>	for (ExecutionMode m : ExecutionMode.values())
2362	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2363	>	for (boolean fFirst : new boolean[] { true, false })
2364	>	for (Integer v1 : new Integer[] { 1, null })
2365	>	{
2366	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2367	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2368	>	final IncFunction[] rs = new IncFunction[6];
2369	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2370
2371	<	/**
2372	<	* thenApplyAsync result completes normally after normal completion of source
2373	<	*/
2374	<	public void testThenApplyAsyncE() {
2375	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2376	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2325	<	f.complete(one);
2326	<	checkCompletedNormally(g, two);
2327	<	}
2371	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2372	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2373	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2374	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2375	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2376	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2377
2378	<	/**
2379	<	* thenApplyAsync result completes exceptionally after exceptional
2380	<	* completion of source
2381	<	*/
2382	<	public void testThenApplyAsync2E() {
2383	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2384	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2385	<	f.completeExceptionally(new CFException());
2386	<	checkCompletedWithWrappedCFException(g);
2387	<	}
2378	>	// unspecified behavior - both source completions available
2379	>	try {
2380	>	assertEquals(inc(v1), h0.join());
2381	>	rs[0].assertValue(inc(v1));
2382	>	} catch (CompletionException ok) {
2383	>	checkCompletedWithWrappedCancellationException(h0);
2384	>	rs[0].assertNotInvoked();
2385	>	}
2386	>	try {
2387	>	assertEquals(inc(v1), h1.join());
2388	>	rs[1].assertValue(inc(v1));
2389	>	} catch (CompletionException ok) {
2390	>	checkCompletedWithWrappedCancellationException(h1);
2391	>	rs[1].assertNotInvoked();
2392	>	}
2393	>	try {
2394	>	assertEquals(inc(v1), h2.join());
2395	>	rs[2].assertValue(inc(v1));
2396	>	} catch (CompletionException ok) {
2397	>	checkCompletedWithWrappedCancellationException(h2);
2398	>	rs[2].assertNotInvoked();
2399	>	}
2400	>	try {
2401	>	assertEquals(inc(v1), h3.join());
2402	>	rs[3].assertValue(inc(v1));
2403	>	} catch (CompletionException ok) {
2404	>	checkCompletedWithWrappedCancellationException(h3);
2405	>	rs[3].assertNotInvoked();
2406	>	}
2407
2408	<	/**
2409	<	* thenApplyAsync result completes exceptionally if action does
2410	<	*/
2343	<	public void testThenApplyAsync3E() {
2344	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2345	<	FailingFunction r = new FailingFunction();
2346	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2347	<	f.complete(null);
2348	<	checkCompletedWithWrappedCFException(g);
2349	<	}
2408	>	checkCompletedNormally(f, v1);
2409	>	checkCancelled(g);
2410	>	}}
2411
2412		/**
2413	<	* thenApplyAsync result completes exceptionally if source cancelled
2413	>	* applyToEither result completes exceptionally if action does
2414		*/
2415	<	public void testThenApplyAsync4E() {
2416	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2417	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2418	<	assertTrue(f.cancel(true));
2419	<	checkCompletedWithWrappedCancellationException(g);
2420	<	}
2415	>	public void testApplyToEither_actionFailed() {
2416	>	for (ExecutionMode m : ExecutionMode.values())
2417	>	for (Integer v1 : new Integer[] { 1, null })
2418	>	for (Integer v2 : new Integer[] { 2, null })
2419	>	{
2420	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2421	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2422	>	final FailingFunction[] rs = new FailingFunction[6];
2423	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2424
2425	<	/**
2426	<	* thenAcceptAsync result completes normally after normal
2427	<	* completion of source
2428	<	*/
2429	<	public void testThenAcceptAsyncE() {
2430	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2431	<	IncAction r = new IncAction();
2432	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2433	<	f.complete(one);
2434	<	checkCompletedNormally(g, null);
2371	<	assertEquals(r.value, 2);
2372	<	}
2425	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2426	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2427	>	f.complete(v1);
2428	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2429	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2430	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2431	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2432	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2433	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2434	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2435
2436	<	/**
2375	<	* thenAcceptAsync result completes exceptionally after exceptional
2376	<	* completion of source
2377	<	*/
2378	<	public void testThenAcceptAsync2E() {
2379	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2380	<	IncAction r = new IncAction();
2381	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2382	<	f.completeExceptionally(new CFException());
2383	<	checkCompletedWithWrappedCFException(g);
2384	<	}
2436	>	g.complete(v2);
2437
2438	<	/**
2439	<	* thenAcceptAsync result completes exceptionally if action does
2440	<	*/
2441	<	public void testThenAcceptAsync3E() {
2442	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2443	<	FailingConsumer r = new FailingConsumer();
2444	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2445	<	f.complete(null);
2446	<	checkCompletedWithWrappedCFException(g);
2447	<	}
2438	>	// unspecified behavior - both source completions available
2439	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2440	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2441	>
2442	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2443	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2444	>	Objects.equals(v2, rs[4].value));
2445	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2446	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2447	>	Objects.equals(v2, rs[5].value));
2448
2449	<	/**
2450	<	* thenAcceptAsync result completes exceptionally if source cancelled
2451	<	*/
2400	<	public void testThenAcceptAsync4E() {
2401	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2402	<	IncAction r = new IncAction();
2403	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2404	<	assertTrue(f.cancel(true));
2405	<	checkCompletedWithWrappedCancellationException(g);
2406	<	}
2449	>	checkCompletedNormally(f, v1);
2450	>	checkCompletedNormally(g, v2);
2451	>	}}
2452
2453		/**
2454	<	* thenCombineAsync result completes normally after normal
2455	<	* completion of sources
2454	>	* acceptEither result completes normally after normal completion
2455	>	* of either source
2456		*/
2457	<	public void testThenCombineAsyncE() {
2458	<	CompletableFuture<Integer> f, g, h;
2459	<	ThreadExecutor e = new ThreadExecutor();
2460	<	int count = 0;
2457	>	public void testAcceptEither_normalCompletion() {
2458	>	for (ExecutionMode m : ExecutionMode.values())
2459	>	for (Integer v1 : new Integer[] { 1, null })
2460	>	for (Integer v2 : new Integer[] { 2, null })
2461	>	{
2462	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2463	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2464	>	final NoopConsumer[] rs = new NoopConsumer[6];
2465	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2466
2467	<	f = new CompletableFuture<>();
2468	<	g = new CompletableFuture<>();
2469	<	h = f.thenCombineAsync(g, subtract, e);
2470	<	f.complete(3);
2471	<	checkIncomplete(h);
2472	<	g.complete(1);
2473	<	checkCompletedNormally(h, 2);
2474	<	assertEquals(++count, e.count.get());
2467	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2468	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2469	>	checkIncomplete(h0);
2470	>	checkIncomplete(h1);
2471	>	rs[0].assertNotInvoked();
2472	>	rs[1].assertNotInvoked();
2473	>	f.complete(v1);
2474	>	checkCompletedNormally(h0, null);
2475	>	checkCompletedNormally(h1, null);
2476	>	rs[0].assertValue(v1);
2477	>	rs[1].assertValue(v1);
2478	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2479	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2480	>	checkCompletedNormally(h2, null);
2481	>	checkCompletedNormally(h3, null);
2482	>	rs[2].assertValue(v1);
2483	>	rs[3].assertValue(v1);
2484	>	g.complete(v2);
2485
2486	<	f = new CompletableFuture<>();
2487	<	g = new CompletableFuture<>();
2488	<	h = f.thenCombineAsync(g, subtract, e);
2489	<	g.complete(1);
2490	<	checkIncomplete(h);
2491	<	f.complete(3);
2492	<	checkCompletedNormally(h, 2);
2493	<	assertEquals(++count, e.count.get());
2486	>	// unspecified behavior - both source completions available
2487	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2488	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2489	>	checkCompletedNormally(h4, null);
2490	>	checkCompletedNormally(h5, null);
2491	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2492	>	Objects.equals(v2, rs[4].value));
2493	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2494	>	Objects.equals(v2, rs[5].value));
2495
2496	<	f = new CompletableFuture<>();
2497	<	g = new CompletableFuture<>();
2498	<	g.complete(1);
2499	<	f.complete(3);
2500	<	h = f.thenCombineAsync(g, subtract, e);
2501	<	checkCompletedNormally(h, 2);
2502	<	assertEquals(++count, e.count.get());
2503	<	}
2496	>	checkCompletedNormally(f, v1);
2497	>	checkCompletedNormally(g, v2);
2498	>	checkCompletedNormally(h0, null);
2499	>	checkCompletedNormally(h1, null);
2500	>	checkCompletedNormally(h2, null);
2501	>	checkCompletedNormally(h3, null);
2502	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2503	>	}}
2504
2505		/**
2506	<	* thenCombineAsync result completes exceptionally after exceptional
2506	>	* acceptEither result completes exceptionally after exceptional
2507		* completion of either source
2508		*/
2509	<	public void testThenCombineAsync2E() {
2510	<	CompletableFuture<Integer> f, g, h;
2511	<	ThreadExecutor e = new ThreadExecutor();
2512	<	int count = 0;
2513	<
2514	<	f = new CompletableFuture<>();
2515	<	g = new CompletableFuture<>();
2516	<	h = f.thenCombineAsync(g, subtract, e);
2517	<	f.completeExceptionally(new CFException());
2457	<	checkIncomplete(h);
2458	<	g.complete(1);
2459	<	checkCompletedWithWrappedCFException(h);
2460	<
2461	<	f = new CompletableFuture<>();
2462	<	g = new CompletableFuture<>();
2463	<	h = f.thenCombineAsync(g, subtract, e);
2464	<	g.completeExceptionally(new CFException());
2465	<	checkIncomplete(h);
2466	<	f.complete(3);
2467	<	checkCompletedWithWrappedCFException(h);
2468	<
2469	<	f = new CompletableFuture<>();
2470	<	g = new CompletableFuture<>();
2471	<	g.completeExceptionally(new CFException());
2472	<	h = f.thenCombineAsync(g, subtract, e);
2473	<	checkIncomplete(h);
2474	<	f.complete(3);
2475	<	checkCompletedWithWrappedCFException(h);
2509	>	public void testAcceptEither_exceptionalCompletion() {
2510	>	for (ExecutionMode m : ExecutionMode.values())
2511	>	for (Integer v1 : new Integer[] { 1, null })
2512	>	{
2513	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2514	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2515	>	final CFException ex = new CFException();
2516	>	final NoopConsumer[] rs = new NoopConsumer[6];
2517	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2518
2519	<	assertEquals(0, e.count.get());
2520	<	}
2519	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2520	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2521	>	checkIncomplete(h0);
2522	>	checkIncomplete(h1);
2523	>	rs[0].assertNotInvoked();
2524	>	rs[1].assertNotInvoked();
2525	>	f.completeExceptionally(ex);
2526	>	checkCompletedWithWrappedException(h0, ex);
2527	>	checkCompletedWithWrappedException(h1, ex);
2528	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2529	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2530	>	checkCompletedWithWrappedException(h2, ex);
2531	>	checkCompletedWithWrappedException(h3, ex);
2532
2533	<	/**
2481	<	* thenCombineAsync result completes exceptionally if action does
2482	<	*/
2483	<	public void testThenCombineAsync3E() {
2484	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2485	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2486	<	FailingBiFunction r = new FailingBiFunction();
2487	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2488	<	f.complete(one);
2489	<	checkIncomplete(g);
2490	<	assertFalse(r.ran);
2491	<	f2.complete(two);
2492	<	checkCompletedWithWrappedCFException(g);
2493	<	assertTrue(r.ran);
2494	<	}
2533	>	g.complete(v1);
2534
2535	<	/**
2536	<	* thenCombineAsync result completes exceptionally if either source cancelled
2537	<	*/
2538	<	public void testThenCombineAsync4E() {
2539	<	CompletableFuture<Integer> f, g, h;
2540	<	ThreadExecutor e = new ThreadExecutor();
2535	>	// unspecified behavior - both source completions available
2536	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2537	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2538	>	try {
2539	>	assertNull(h4.join());
2540	>	rs[4].assertValue(v1);
2541	>	} catch (CompletionException ok) {
2542	>	checkCompletedWithWrappedException(h4, ex);
2543	>	rs[4].assertNotInvoked();
2544	>	}
2545	>	try {
2546	>	assertNull(h5.join());
2547	>	rs[5].assertValue(v1);
2548	>	} catch (CompletionException ok) {
2549	>	checkCompletedWithWrappedException(h5, ex);
2550	>	rs[5].assertNotInvoked();
2551	>	}
2552
2553	<	f = new CompletableFuture<>();
2554	<	g = new CompletableFuture<>();
2555	<	h = f.thenCombineAsync(g, subtract, e);
2556	<	assertTrue(f.cancel(true));
2557	<	checkIncomplete(h);
2558	<	g.complete(1);
2559	<	checkCompletedWithWrappedCancellationException(h);
2553	>	checkCompletedExceptionally(f, ex);
2554	>	checkCompletedNormally(g, v1);
2555	>	checkCompletedWithWrappedException(h0, ex);
2556	>	checkCompletedWithWrappedException(h1, ex);
2557	>	checkCompletedWithWrappedException(h2, ex);
2558	>	checkCompletedWithWrappedException(h3, ex);
2559	>	checkCompletedWithWrappedException(h4, ex);
2560	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2561	>	}}
2562
2563	<	f = new CompletableFuture<>();
2564	<	g = new CompletableFuture<>();
2565	<	h = f.thenCombineAsync(g, subtract, e);
2566	<	assertTrue(g.cancel(true));
2567	<	checkIncomplete(h);
2568	<	f.complete(3);
2569	<	checkCompletedWithWrappedCancellationException(h);
2563	>	public void testAcceptEither_exceptionalCompletion2() {
2564	>	for (ExecutionMode m : ExecutionMode.values())
2565	>	for (boolean fFirst : new boolean[] { true, false })
2566	>	for (Integer v1 : new Integer[] { 1, null })
2567	>	{
2568	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2569	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2570	>	final CFException ex = new CFException();
2571	>	final NoopConsumer[] rs = new NoopConsumer[6];
2572	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2573
2574	<	f = new CompletableFuture<>();
2575	<	g = new CompletableFuture<>();
2576	<	assertTrue(g.cancel(true));
2577	<	h = f.thenCombineAsync(g, subtract, e);
2578	<	checkIncomplete(h);
2579	<	f.complete(3);
2525	<	checkCompletedWithWrappedCancellationException(h);
2574	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2575	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2576	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2577	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2578	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2579	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2580
2581	<	f = new CompletableFuture<>();
2582	<	g = new CompletableFuture<>();
2583	<	assertTrue(f.cancel(true));
2584	<	assertTrue(g.cancel(true));
2585	<	h = f.thenCombineAsync(g, subtract, e);
2586	<	checkCompletedWithWrappedCancellationException(h);
2581	>	// unspecified behavior - both source completions available
2582	>	try {
2583	>	assertNull(h0.join());
2584	>	rs[0].assertValue(v1);
2585	>	} catch (CompletionException ok) {
2586	>	checkCompletedWithWrappedException(h0, ex);
2587	>	rs[0].assertNotInvoked();
2588	>	}
2589	>	try {
2590	>	assertNull(h1.join());
2591	>	rs[1].assertValue(v1);
2592	>	} catch (CompletionException ok) {
2593	>	checkCompletedWithWrappedException(h1, ex);
2594	>	rs[1].assertNotInvoked();
2595	>	}
2596	>	try {
2597	>	assertNull(h2.join());
2598	>	rs[2].assertValue(v1);
2599	>	} catch (CompletionException ok) {
2600	>	checkCompletedWithWrappedException(h2, ex);
2601	>	rs[2].assertNotInvoked();
2602	>	}
2603	>	try {
2604	>	assertNull(h3.join());
2605	>	rs[3].assertValue(v1);
2606	>	} catch (CompletionException ok) {
2607	>	checkCompletedWithWrappedException(h3, ex);
2608	>	rs[3].assertNotInvoked();
2609	>	}
2610
2611	<	assertEquals(0, e.count.get());
2612	<	}
2611	>	checkCompletedNormally(f, v1);
2612	>	checkCompletedExceptionally(g, ex);
2613	>	}}
2614
2615		/**
2616	<	* thenAcceptBothAsync result completes normally after normal
2539	<	* completion of sources
2616	>	* acceptEither result completes exceptionally if either source cancelled
2617		*/
2618	<	public void testThenAcceptBothAsyncE() {
2619	<	CompletableFuture<Integer> f, g;
2620	<	CompletableFuture<Void> h;
2621	<	SubtractAction r;
2622	<	ThreadExecutor e = new ThreadExecutor();
2618	>	public void testAcceptEither_sourceCancelled() {
2619	>	for (ExecutionMode m : ExecutionMode.values())
2620	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2621	>	for (Integer v1 : new Integer[] { 1, null })
2622	>	{
2623	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2624	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2625	>	final NoopConsumer[] rs = new NoopConsumer[6];
2626	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2627
2628	<	f = new CompletableFuture<>();
2629	<	g = new CompletableFuture<>();
2630	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2631	<	f.complete(3);
2632	<	checkIncomplete(h);
2633	<	g.complete(1);
2634	<	checkCompletedNormally(h, null);
2635	<	assertEquals(r.value, 2);
2628	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2629	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2630	>	checkIncomplete(h0);
2631	>	checkIncomplete(h1);
2632	>	rs[0].assertNotInvoked();
2633	>	rs[1].assertNotInvoked();
2634	>	f.cancel(mayInterruptIfRunning);
2635	>	checkCompletedWithWrappedCancellationException(h0);
2636	>	checkCompletedWithWrappedCancellationException(h1);
2637	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2638	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2639	>	checkCompletedWithWrappedCancellationException(h2);
2640	>	checkCompletedWithWrappedCancellationException(h3);
2641
2642	<	f = new CompletableFuture<>();
2557	<	g = new CompletableFuture<>();
2558	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2559	<	g.complete(1);
2560	<	checkIncomplete(h);
2561	<	f.complete(3);
2562	<	checkCompletedNormally(h, null);
2563	<	assertEquals(r.value, 2);
2642	>	g.complete(v1);
2643
2644	<	f = new CompletableFuture<>();
2645	<	g = new CompletableFuture<>();
2646	<	g.complete(1);
2647	<	f.complete(3);
2648	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2649	<	checkCompletedNormally(h, null);
2650	<	assertEquals(r.value, 2);
2644	>	// unspecified behavior - both source completions available
2645	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2646	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2647	>	try {
2648	>	assertNull(h4.join());
2649	>	rs[4].assertValue(v1);
2650	>	} catch (CompletionException ok) {
2651	>	checkCompletedWithWrappedCancellationException(h4);
2652	>	rs[4].assertNotInvoked();
2653	>	}
2654	>	try {
2655	>	assertNull(h5.join());
2656	>	rs[5].assertValue(v1);
2657	>	} catch (CompletionException ok) {
2658	>	checkCompletedWithWrappedCancellationException(h5);
2659	>	rs[5].assertNotInvoked();
2660	>	}
2661
2662	<	assertEquals(3, e.count.get());
2663	<	}
2662	>	checkCancelled(f);
2663	>	checkCompletedNormally(g, v1);
2664	>	checkCompletedWithWrappedCancellationException(h0);
2665	>	checkCompletedWithWrappedCancellationException(h1);
2666	>	checkCompletedWithWrappedCancellationException(h2);
2667	>	checkCompletedWithWrappedCancellationException(h3);
2668	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2669	>	}}
2670
2671		/**
2672	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2578	<	* completion of source
2672	>	* acceptEither result completes exceptionally if action does
2673		*/
2674	<	public void testThenAcceptBothAsync2E() {
2675	<	CompletableFuture<Integer> f, g;
2676	<	CompletableFuture<Void> h;
2677	<	SubtractAction r;
2678	<	ThreadExecutor e = new ThreadExecutor();
2679	<
2680	<	f = new CompletableFuture<>();
2681	<	g = new CompletableFuture<>();
2682	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2589	<	f.completeExceptionally(new CFException());
2590	<	checkIncomplete(h);
2591	<	g.complete(1);
2592	<	checkCompletedWithWrappedCFException(h);
2593	<
2594	<	f = new CompletableFuture<>();
2595	<	g = new CompletableFuture<>();
2596	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2597	<	g.completeExceptionally(new CFException());
2598	<	checkIncomplete(h);
2599	<	f.complete(3);
2600	<	checkCompletedWithWrappedCFException(h);
2601	<
2602	<	f = new CompletableFuture<>();
2603	<	g = new CompletableFuture<>();
2604	<	f.complete(3);
2605	<	g.completeExceptionally(new CFException());
2606	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2607	<	checkCompletedWithWrappedCFException(h);
2608	<
2609	<	f = new CompletableFuture<>();
2610	<	g = new CompletableFuture<>();
2611	<	f.completeExceptionally(new CFException());
2612	<	g.complete(3);
2613	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2614	<	checkCompletedWithWrappedCFException(h);
2615	<
2616	<	assertEquals(0, e.count.get());
2617	<	}
2674	>	public void testAcceptEither_actionFailed() {
2675	>	for (ExecutionMode m : ExecutionMode.values())
2676	>	for (Integer v1 : new Integer[] { 1, null })
2677	>	for (Integer v2 : new Integer[] { 2, null })
2678	>	{
2679	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2680	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2681	>	final FailingConsumer[] rs = new FailingConsumer[6];
2682	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2683
2684	<	/**
2685	<	* thenAcceptBothAsync result completes exceptionally if action does
2686	<	*/
2687	<	public void testThenAcceptBothAsync3E() {
2688	<	CompletableFuture<Integer> f, g;
2689	<	CompletableFuture<Void> h;
2690	<	FailingBiConsumer r;
2691	<	ThreadExecutor e = new ThreadExecutor();
2684	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2685	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2686	>	f.complete(v1);
2687	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2688	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2689	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2690	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2691	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2692	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2693	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2694
2695	<	f = new CompletableFuture<>();
2629	<	g = new CompletableFuture<>();
2630	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2631	<	f.complete(3);
2632	<	checkIncomplete(h);
2633	<	g.complete(1);
2634	<	checkCompletedWithWrappedCFException(h);
2695	>	g.complete(v2);
2696
2697	<	f = new CompletableFuture<>();
2698	<	g = new CompletableFuture<>();
2699	<	f.complete(3);
2700	<	g.complete(1);
2701	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2702	<	checkCompletedWithWrappedCFException(h);
2697	>	// unspecified behavior - both source completions available
2698	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2699	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2700	>
2701	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2702	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2703	>	Objects.equals(v2, rs[4].value));
2704	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2705	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2706	>	Objects.equals(v2, rs[5].value));
2707
2708	<	assertEquals(2, e.count.get());
2709	<	}
2708	>	checkCompletedNormally(f, v1);
2709	>	checkCompletedNormally(g, v2);
2710	>	}}
2711
2712		/**
2713	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2713	>	* runAfterEither result completes normally after normal completion
2714	>	* of either source
2715		*/
2716	<	public void testThenAcceptBothAsync4E() {
2717	<	CompletableFuture<Integer> f, g;
2718	<	CompletableFuture<Void> h;
2719	<	SubtractAction r;
2720	<	ThreadExecutor e = new ThreadExecutor();
2721	<
2722	<	f = new CompletableFuture<>();
2723	<	g = new CompletableFuture<>();
2724	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2725	<	assertTrue(f.cancel(true));
2659	<	checkIncomplete(h);
2660	<	g.complete(1);
2661	<	checkCompletedWithWrappedCancellationException(h);
2716	>	public void testRunAfterEither_normalCompletion() {
2717	>	for (ExecutionMode m : ExecutionMode.values())
2718	>	for (Integer v1 : new Integer[] { 1, null })
2719	>	for (Integer v2 : new Integer[] { 2, null })
2720	>	for (boolean pushNop : new boolean[] { true, false })
2721	>	{
2722	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2723	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2724	>	final Noop[] rs = new Noop[6];
2725	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2726
2727	<	f = new CompletableFuture<>();
2728	<	g = new CompletableFuture<>();
2729	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2730	<	assertTrue(g.cancel(true));
2731	<	checkIncomplete(h);
2732	<	f.complete(3);
2733	<	checkCompletedWithWrappedCancellationException(h);
2727	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2728	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2729	>	checkIncomplete(h0);
2730	>	checkIncomplete(h1);
2731	>	rs[0].assertNotInvoked();
2732	>	rs[1].assertNotInvoked();
2733	>	if (pushNop) {          // ad hoc test of intra-completion interference
2734	>	m.thenRun(f, () -> {});
2735	>	m.thenRun(g, () -> {});
2736	>	}
2737	>	f.complete(v1);
2738	>	checkCompletedNormally(h0, null);
2739	>	checkCompletedNormally(h1, null);
2740	>	rs[0].assertInvoked();
2741	>	rs[1].assertInvoked();
2742	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2743	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2744	>	checkCompletedNormally(h2, null);
2745	>	checkCompletedNormally(h3, null);
2746	>	rs[2].assertInvoked();
2747	>	rs[3].assertInvoked();
2748
2749	<	f = new CompletableFuture<>();
2672	<	g = new CompletableFuture<>();
2673	<	f.complete(3);
2674	<	assertTrue(g.cancel(true));
2675	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2676	<	checkCompletedWithWrappedCancellationException(h);
2749	>	g.complete(v2);
2750
2751	<	f = new CompletableFuture<>();
2752	<	g = new CompletableFuture<>();
2680	<	assertTrue(f.cancel(true));
2681	<	g.complete(3);
2682	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2683	<	checkCompletedWithWrappedCancellationException(h);
2751	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2752	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2753
2754	<	assertEquals(0, e.count.get());
2755	<	}
2754	>	checkCompletedNormally(f, v1);
2755	>	checkCompletedNormally(g, v2);
2756	>	checkCompletedNormally(h0, null);
2757	>	checkCompletedNormally(h1, null);
2758	>	checkCompletedNormally(h2, null);
2759	>	checkCompletedNormally(h3, null);
2760	>	checkCompletedNormally(h4, null);
2761	>	checkCompletedNormally(h5, null);
2762	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2763	>	}}
2764
2765		/**
2766	<	* applyToEitherAsync result completes normally after normal
2767	<	* completion of sources
2766	>	* runAfterEither result completes exceptionally after exceptional
2767	>	* completion of either source
2768		*/
2769	<	public void testApplyToEitherAsyncE() {
2770	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2771	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2772	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2773	<	f.complete(one);
2774	<	checkCompletedNormally(g, two);
2769	>	public void testRunAfterEither_exceptionalCompletion() {
2770	>	for (ExecutionMode m : ExecutionMode.values())
2771	>	for (Integer v1 : new Integer[] { 1, null })
2772	>	{
2773	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2774	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2775	>	final CFException ex = new CFException();
2776	>	final Noop[] rs = new Noop[6];
2777	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2778
2779	<	f = new CompletableFuture<>();
2780	<	f.complete(one);
2781	<	f2 = new CompletableFuture<>();
2782	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2783	<	checkCompletedNormally(g, two);
2784	<	}
2779	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2780	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2781	>	checkIncomplete(h0);
2782	>	checkIncomplete(h1);
2783	>	rs[0].assertNotInvoked();
2784	>	rs[1].assertNotInvoked();
2785	>	assertTrue(f.completeExceptionally(ex));
2786	>	checkCompletedWithWrappedException(h0, ex);
2787	>	checkCompletedWithWrappedException(h1, ex);
2788	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2789	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2790	>	checkCompletedWithWrappedException(h2, ex);
2791	>	checkCompletedWithWrappedException(h3, ex);
2792	>
2793	>	assertTrue(g.complete(v1));
2794	>
2795	>	// unspecified behavior - both source completions available
2796	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2797	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2798	>	try {
2799	>	assertNull(h4.join());
2800	>	rs[4].assertInvoked();
2801	>	} catch (CompletionException ok) {
2802	>	checkCompletedWithWrappedException(h4, ex);
2803	>	rs[4].assertNotInvoked();
2804	>	}
2805	>	try {
2806	>	assertNull(h5.join());
2807	>	rs[5].assertInvoked();
2808	>	} catch (CompletionException ok) {
2809	>	checkCompletedWithWrappedException(h5, ex);
2810	>	rs[5].assertNotInvoked();
2811	>	}
2812
2813	<	/**
2814	<	* applyToEitherAsync result completes exceptionally after exceptional
2815	<	* completion of source
2816	<	*/
2817	<	public void testApplyToEitherAsync2E() {
2818	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2819	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2820	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2821	<	f.completeExceptionally(new CFException());
2715	<	checkCompletedWithWrappedCFException(g);
2813	>	checkCompletedExceptionally(f, ex);
2814	>	checkCompletedNormally(g, v1);
2815	>	checkCompletedWithWrappedException(h0, ex);
2816	>	checkCompletedWithWrappedException(h1, ex);
2817	>	checkCompletedWithWrappedException(h2, ex);
2818	>	checkCompletedWithWrappedException(h3, ex);
2819	>	checkCompletedWithWrappedException(h4, ex);
2820	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2821	>	}}
2822
2823	<	f = new CompletableFuture<>();
2824	<	f2 = new CompletableFuture<>();
2825	<	f2.completeExceptionally(new CFException());
2826	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2827	<	f.complete(one);
2828	<	checkCompletedWithWrappedCFException(g);
2829	<	}
2823	>	public void testRunAfterEither_exceptionalCompletion2() {
2824	>	for (ExecutionMode m : ExecutionMode.values())
2825	>	for (boolean fFirst : new boolean[] { true, false })
2826	>	for (Integer v1 : new Integer[] { 1, null })
2827	>	{
2828	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2829	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2830	>	final CFException ex = new CFException();
2831	>	final Noop[] rs = new Noop[6];
2832	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2833
2834	<	/**
2835	<	* applyToEitherAsync result completes exceptionally if action does
2836	<	*/
2837	<	public void testApplyToEitherAsync3E() {
2838	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2839	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2731	<	FailingFunction r = new FailingFunction();
2732	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2733	<	f.complete(one);
2734	<	checkCompletedWithWrappedCFException(g);
2735	<	}
2834	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2835	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2836	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2837	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2838	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2839	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2840
2841	<	/**
2842	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2843	<	*/
2844	<	public void testApplyToEitherAsync4E() {
2845	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2846	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2847	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2848	<	assertTrue(f.cancel(true));
2849	<	checkCompletedWithWrappedCancellationException(g);
2841	>	// unspecified behavior - both source completions available
2842	>	try {
2843	>	assertNull(h0.join());
2844	>	rs[0].assertInvoked();
2845	>	} catch (CompletionException ok) {
2846	>	checkCompletedWithWrappedException(h0, ex);
2847	>	rs[0].assertNotInvoked();
2848	>	}
2849	>	try {
2850	>	assertNull(h1.join());
2851	>	rs[1].assertInvoked();
2852	>	} catch (CompletionException ok) {
2853	>	checkCompletedWithWrappedException(h1, ex);
2854	>	rs[1].assertNotInvoked();
2855	>	}
2856	>	try {
2857	>	assertNull(h2.join());
2858	>	rs[2].assertInvoked();
2859	>	} catch (CompletionException ok) {
2860	>	checkCompletedWithWrappedException(h2, ex);
2861	>	rs[2].assertNotInvoked();
2862	>	}
2863	>	try {
2864	>	assertNull(h3.join());
2865	>	rs[3].assertInvoked();
2866	>	} catch (CompletionException ok) {
2867	>	checkCompletedWithWrappedException(h3, ex);
2868	>	rs[3].assertNotInvoked();
2869	>	}
2870
2871	<	f = new CompletableFuture<>();
2872	<	f2 = new CompletableFuture<>();
2873	<	assertTrue(f2.cancel(true));
2750	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2751	<	checkCompletedWithWrappedCancellationException(g);
2752	<	}
2871	>	checkCompletedNormally(f, v1);
2872	>	checkCompletedExceptionally(g, ex);
2873	>	}}
2874
2875		/**
2876	<	* acceptEitherAsync result completes normally after normal
2756	<	* completion of sources
2876	>	* runAfterEither result completes exceptionally if either source cancelled
2877		*/
2878	<	public void testAcceptEitherAsyncE() {
2879	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2880	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2881	<	IncAction r = new IncAction();
2882	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2883	<	f.complete(one);
2884	<	checkCompletedNormally(g, null);
2885	<	assertEquals(r.value, 2);
2886	<
2767	<	r = new IncAction();
2768	<	f = new CompletableFuture<>();
2769	<	f.complete(one);
2770	<	f2 = new CompletableFuture<>();
2771	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2772	<	checkCompletedNormally(g, null);
2773	<	assertEquals(r.value, 2);
2774	<	}
2878	>	public void testRunAfterEither_sourceCancelled() {
2879	>	for (ExecutionMode m : ExecutionMode.values())
2880	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2881	>	for (Integer v1 : new Integer[] { 1, null })
2882	>	{
2883	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2884	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2885	>	final Noop[] rs = new Noop[6];
2886	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2887
2888	<	/**
2889	<	* acceptEitherAsync result completes exceptionally after exceptional
2890	<	* completion of source
2891	<	*/
2892	<	public void testAcceptEitherAsync2E() {
2893	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2894	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2895	<	IncAction r = new IncAction();
2896	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2897	<	f.completeExceptionally(new CFException());
2898	<	checkCompletedWithWrappedCFException(g);
2888	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2889	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2890	>	checkIncomplete(h0);
2891	>	checkIncomplete(h1);
2892	>	rs[0].assertNotInvoked();
2893	>	rs[1].assertNotInvoked();
2894	>	f.cancel(mayInterruptIfRunning);
2895	>	checkCompletedWithWrappedCancellationException(h0);
2896	>	checkCompletedWithWrappedCancellationException(h1);
2897	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2898	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2899	>	checkCompletedWithWrappedCancellationException(h2);
2900	>	checkCompletedWithWrappedCancellationException(h3);
2901	>
2902	>	assertTrue(g.complete(v1));
2903	>
2904	>	// unspecified behavior - both source completions available
2905	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2906	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2907	>	try {
2908	>	assertNull(h4.join());
2909	>	rs[4].assertInvoked();
2910	>	} catch (CompletionException ok) {
2911	>	checkCompletedWithWrappedCancellationException(h4);
2912	>	rs[4].assertNotInvoked();
2913	>	}
2914	>	try {
2915	>	assertNull(h5.join());
2916	>	rs[5].assertInvoked();
2917	>	} catch (CompletionException ok) {
2918	>	checkCompletedWithWrappedCancellationException(h5);
2919	>	rs[5].assertNotInvoked();
2920	>	}
2921
2922	<	r = new IncAction();
2923	<	f = new CompletableFuture<>();
2924	<	f2 = new CompletableFuture<>();
2925	<	f2.completeExceptionally(new CFException());
2926	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2927	<	f.complete(one);
2928	<	checkCompletedWithWrappedCFException(g);
2929	<	}
2922	>	checkCancelled(f);
2923	>	checkCompletedNormally(g, v1);
2924	>	checkCompletedWithWrappedCancellationException(h0);
2925	>	checkCompletedWithWrappedCancellationException(h1);
2926	>	checkCompletedWithWrappedCancellationException(h2);
2927	>	checkCompletedWithWrappedCancellationException(h3);
2928	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2929	>	}}
2930
2931		/**
2932	<	* acceptEitherAsync result completes exceptionally if action does
2932	>	* runAfterEither result completes exceptionally if action does
2933		*/
2934	<	public void testAcceptEitherAsync3E() {
2935	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2936	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2937	<	FailingConsumer r = new FailingConsumer();
2938	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2939	<	f.complete(one);
2940	<	checkCompletedWithWrappedCFException(g);
2941	<	}
2934	>	public void testRunAfterEither_actionFailed() {
2935	>	for (ExecutionMode m : ExecutionMode.values())
2936	>	for (Integer v1 : new Integer[] { 1, null })
2937	>	for (Integer v2 : new Integer[] { 2, null })
2938	>	{
2939	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2940	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2941	>	final FailingRunnable[] rs = new FailingRunnable[6];
2942	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2943
2944	<	/**
2945	<	* acceptEitherAsync result completes exceptionally if either
2946	<	* source cancelled
2947	<	*/
2948	<	public void testAcceptEitherAsync4E() {
2949	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2950	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2951	<	IncAction r = new IncAction();
2952	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2953	<	assertTrue(f.cancel(true));
2954	<	checkCompletedWithWrappedCancellationException(g);
2944	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2945	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2946	>	assertTrue(f.complete(v1));
2947	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2948	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2949	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2950	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2951	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2952	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2953	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2954	>	assertTrue(g.complete(v2));
2955	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2956	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2957	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2958	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2959
2960	<	r = new IncAction();
2961	<	f = new CompletableFuture<>();
2962	<	f2 = new CompletableFuture<>();
2963	<	assertTrue(f2.cancel(true));
2825	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2826	<	checkCompletedWithWrappedCancellationException(g);
2827	<	}
2960	>	checkCompletedNormally(f, v1);
2961	>	checkCompletedNormally(g, v2);
2962	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2963	>	}}
2964
2965		/**
2966	<	* runAfterEitherAsync result completes normally after normal
2831	<	* completion of sources
2966	>	* thenCompose result completes normally after normal completion of source
2967		*/
2968	<	public void testRunAfterEitherAsyncE() {
2969	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2970	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2971	<	Noop r = new Noop();
2972	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2973	<	f.complete(one);
2974	<	checkCompletedNormally(g, null);
2975	<	assertTrue(r.ran);
2968	>	public void testThenCompose_normalCompletion() {
2969	>	for (ExecutionMode m : ExecutionMode.values())
2970	>	for (boolean createIncomplete : new boolean[] { true, false })
2971	>	for (Integer v1 : new Integer[] { 1, null })
2972	>	{
2973	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2974	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2975	>	if (!createIncomplete) assertTrue(f.complete(v1));
2976	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2977	>	if (createIncomplete) assertTrue(f.complete(v1));
2978
2979	<	r = new Noop();
2980	<	f = new CompletableFuture<>();
2981	<	f.complete(one);
2982	<	f2 = new CompletableFuture<>();
2846	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2847	<	checkCompletedNormally(g, null);
2848	<	assertTrue(r.ran);
2849	<	}
2979	>	checkCompletedNormally(g, inc(v1));
2980	>	checkCompletedNormally(f, v1);
2981	>	r.assertValue(v1);
2982	>	}}
2983
2984		/**
2985	<	* runAfterEitherAsync result completes exceptionally after exceptional
2985	>	* thenCompose result completes exceptionally after exceptional
2986		* completion of source
2987		*/
2988	<	public void testRunAfterEitherAsync2E() {
2989	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2990	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2991	<	Noop r = new Noop();
2992	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2993	<	f.completeExceptionally(new CFException());
2994	<	checkCompletedWithWrappedCFException(g);
2995	<
2996	<	r = new Noop();
2997	<	f = new CompletableFuture<>();
2998	<	f2 = new CompletableFuture<>();
2999	<	f2.completeExceptionally(new CFException());
3000	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3001	<	f.complete(one);
3002	<	checkCompletedWithWrappedCFException(g);
2870	<	}
2871	<
2872	<	/**
2873	<	* runAfterEitherAsync result completes exceptionally if action does
2874	<	*/
2875	<	public void testRunAfterEitherAsync3E() {
2876	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2877	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2878	<	FailingNoop r = new FailingNoop();
2879	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2880	<	f.complete(one);
2881	<	checkCompletedWithWrappedCFException(g);
2882	<	}
2988	>	public void testThenCompose_exceptionalCompletion() {
2989	>	for (ExecutionMode m : ExecutionMode.values())
2990	>	for (boolean createIncomplete : new boolean[] { true, false })
2991	>	{
2992	>	final CFException ex = new CFException();
2993	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2994	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2995	>	if (!createIncomplete) f.completeExceptionally(ex);
2996	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2997	>	if (createIncomplete) f.completeExceptionally(ex);
2998	>
2999	>	checkCompletedWithWrappedException(g, ex);
3000	>	checkCompletedExceptionally(f, ex);
3001	>	r.assertNotInvoked();
3002	>	}}
3003
3004		/**
3005	<	* runAfterEitherAsync result completes exceptionally if either
2886	<	* source cancelled
3005	>	* thenCompose result completes exceptionally if action does
3006		*/
3007	<	public void testRunAfterEitherAsync4E() {
3008	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3009	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3010	<	Noop r = new Noop();
3011	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3012	<	assertTrue(f.cancel(true));
3013	<	checkCompletedWithWrappedCancellationException(g);
3007	>	public void testThenCompose_actionFailed() {
3008	>	for (ExecutionMode m : ExecutionMode.values())
3009	>	for (boolean createIncomplete : new boolean[] { true, false })
3010	>	for (Integer v1 : new Integer[] { 1, null })
3011	>	{
3012	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3013	>	final FailingCompletableFutureFunction r
3014	>	= new FailingCompletableFutureFunction(m);
3015	>	if (!createIncomplete) assertTrue(f.complete(v1));
3016	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3017	>	if (createIncomplete) assertTrue(f.complete(v1));
3018
3019	<	r = new Noop();
3020	<	f = new CompletableFuture<>();
3021	<	f2 = new CompletableFuture<>();
2899	<	assertTrue(f2.cancel(true));
2900	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2901	<	checkCompletedWithWrappedCancellationException(g);
2902	<	}
3019	>	checkCompletedWithWrappedException(g, r.ex);
3020	>	checkCompletedNormally(f, v1);
3021	>	}}
3022
3023		/**
3024	<	* thenComposeAsync result completes normally after normal
2906	<	* completion of source
3024	>	* thenCompose result completes exceptionally if source cancelled
3025		*/
3026	<	public void testThenComposeAsyncE() {
3027	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3028	<	CompletableFutureInc r = new CompletableFutureInc();
3029	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3030	<	f.complete(one);
3031	<	checkCompletedNormally(g, two);
3032	<	}
3026	>	public void testThenCompose_sourceCancelled() {
3027	>	for (ExecutionMode m : ExecutionMode.values())
3028	>	for (boolean createIncomplete : new boolean[] { true, false })
3029	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3030	>	{
3031	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3032	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3033	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3034	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3035	>	if (createIncomplete) {
3036	>	checkIncomplete(g);
3037	>	assertTrue(f.cancel(mayInterruptIfRunning));
3038	>	}
3039
3040	<	/**
3041	<	* thenComposeAsync result completes exceptionally after
3042	<	* exceptional completion of source
2919	<	*/
2920	<	public void testThenComposeAsync2E() {
2921	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2922	<	CompletableFutureInc r = new CompletableFutureInc();
2923	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2924	<	f.completeExceptionally(new CFException());
2925	<	checkCompletedWithWrappedCFException(g);
2926	<	}
3040	>	checkCompletedWithWrappedCancellationException(g);
3041	>	checkCancelled(f);
3042	>	}}
3043
3044		/**
3045	<	* thenComposeAsync result completes exceptionally if action does
3045	>	* thenCompose result completes exceptionally if the result of the action does
3046		*/
3047	<	public void testThenComposeAsync3E() {
3048	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3049	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3050	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3051	<	f.complete(one);
3052	<	checkCompletedWithWrappedCFException(g);
3053	<	}
3047	>	public void testThenCompose_actionReturnsFailingFuture() {
3048	>	for (ExecutionMode m : ExecutionMode.values())
3049	>	for (int order = 0; order < 6; order++)
3050	>	for (Integer v1 : new Integer[] { 1, null })
3051	>	{
3052	>	final CFException ex = new CFException();
3053	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3054	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3055	>	final CompletableFuture<Integer> h;
3056	>	// Test all permutations of orders
3057	>	switch (order) {
3058	>	case 0:
3059	>	assertTrue(f.complete(v1));
3060	>	assertTrue(g.completeExceptionally(ex));
3061	>	h = m.thenCompose(f, (x -> g));
3062	>	break;
3063	>	case 1:
3064	>	assertTrue(f.complete(v1));
3065	>	h = m.thenCompose(f, (x -> g));
3066	>	assertTrue(g.completeExceptionally(ex));
3067	>	break;
3068	>	case 2:
3069	>	assertTrue(g.completeExceptionally(ex));
3070	>	assertTrue(f.complete(v1));
3071	>	h = m.thenCompose(f, (x -> g));
3072	>	break;
3073	>	case 3:
3074	>	assertTrue(g.completeExceptionally(ex));
3075	>	h = m.thenCompose(f, (x -> g));
3076	>	assertTrue(f.complete(v1));
3077	>	break;
3078	>	case 4:
3079	>	h = m.thenCompose(f, (x -> g));
3080	>	assertTrue(f.complete(v1));
3081	>	assertTrue(g.completeExceptionally(ex));
3082	>	break;
3083	>	case 5:
3084	>	h = m.thenCompose(f, (x -> g));
3085	>	assertTrue(f.complete(v1));
3086	>	assertTrue(g.completeExceptionally(ex));
3087	>	break;
3088	>	default: throw new AssertionError();
3089	>	}
3090
3091	<	/**
3092	<	* thenComposeAsync result completes exceptionally if source cancelled
3093	<	*/
3094	<	public void testThenComposeAsync4E() {
2943	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2944	<	CompletableFutureInc r = new CompletableFutureInc();
2945	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2946	<	assertTrue(f.cancel(true));
2947	<	checkCompletedWithWrappedCancellationException(g);
2948	<	}
3091	>	checkCompletedExceptionally(g, ex);
3092	>	checkCompletedWithWrappedException(h, ex);
3093	>	checkCompletedNormally(f, v1);
3094	>	}}
3095
3096		// other static methods
3097
#	Line 2963 | Line 3109 | public class CompletableFutureTest exten
3109		* when all components complete normally
3110		*/
3111		public void testAllOf_normal() throws Exception {
3112	<	for (int k = 1; k < 20; ++k) {
3113	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3114	<	for (int i = 0; i < k; ++i)
3112	>	for (int k = 1; k < 10; k++) {
3113	>	CompletableFuture<Integer>[] fs
3114	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3115	>	for (int i = 0; i < k; i++)
3116		fs[i] = new CompletableFuture<>();
3117		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3118	<	for (int i = 0; i < k; ++i) {
3118	>	for (int i = 0; i < k; i++) {
3119		checkIncomplete(f);
3120		checkIncomplete(CompletableFuture.allOf(fs));
3121		fs[i].complete(one);
#	Line 2978 | Line 3125 | public class CompletableFutureTest exten
3125		}
3126		}
3127
3128	+	public void testAllOf_normal_backwards() throws Exception {
3129	+	for (int k = 1; k < 10; k++) {
3130	+	CompletableFuture<Integer>[] fs
3131	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3132	+	for (int i = 0; i < k; i++)
3133	+	fs[i] = new CompletableFuture<>();
3134	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3135	+	for (int i = k - 1; i >= 0; i--) {
3136	+	checkIncomplete(f);
3137	+	checkIncomplete(CompletableFuture.allOf(fs));
3138	+	fs[i].complete(one);
3139	+	}
3140	+	checkCompletedNormally(f, null);
3141	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3142	+	}
3143	+	}
3144	+
3145	+	public void testAllOf_exceptional() throws Exception {
3146	+	for (int k = 1; k < 10; k++) {
3147	+	CompletableFuture<Integer>[] fs
3148	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3149	+	CFException ex = new CFException();
3150	+	for (int i = 0; i < k; i++)
3151	+	fs[i] = new CompletableFuture<>();
3152	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3153	+	for (int i = 0; i < k; i++) {
3154	+	checkIncomplete(f);
3155	+	checkIncomplete(CompletableFuture.allOf(fs));
3156	+	if (i != k / 2) {
3157	+	fs[i].complete(i);
3158	+	checkCompletedNormally(fs[i], i);
3159	+	} else {
3160	+	fs[i].completeExceptionally(ex);
3161	+	checkCompletedExceptionally(fs[i], ex);
3162	+	}
3163	+	}
3164	+	checkCompletedWithWrappedException(f, ex);
3165	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3166	+	}
3167	+	}
3168	+
3169		/**
3170		* anyOf(no component futures) returns an incomplete future
3171		*/
3172		public void testAnyOf_empty() throws Exception {
3173	+	for (Integer v1 : new Integer[] { 1, null })
3174	+	{
3175		CompletableFuture<Object> f = CompletableFuture.anyOf();
3176		checkIncomplete(f);
3177	<	}
3177	>
3178	>	f.complete(v1);
3179	>	checkCompletedNormally(f, v1);
3180	>	}}
3181
3182		/**
3183		* anyOf returns a future completed normally with a value when
3184		* a component future does
3185		*/
3186		public void testAnyOf_normal() throws Exception {
3187	<	for (int k = 0; k < 10; ++k) {
3187	>	for (int k = 0; k < 10; k++) {
3188		CompletableFuture[] fs = new CompletableFuture[k];
3189	<	for (int i = 0; i < k; ++i)
3189	>	for (int i = 0; i < k; i++)
3190		fs[i] = new CompletableFuture<>();
3191		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3192		checkIncomplete(f);
3193	<	for (int i = 0; i < k; ++i) {
3194	<	fs[i].complete(one);
3195	<	checkCompletedNormally(f, one);
3196	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3193	>	for (int i = 0; i < k; i++) {
3194	>	fs[i].complete(i);
3195	>	checkCompletedNormally(f, 0);
3196	>	int x = (int) CompletableFuture.anyOf(fs).join();
3197	>	assertTrue(0 <= x && x <= i);
3198	>	}
3199	>	}
3200	>	}
3201	>	public void testAnyOf_normal_backwards() throws Exception {
3202	>	for (int k = 0; k < 10; k++) {
3203	>	CompletableFuture[] fs = new CompletableFuture[k];
3204	>	for (int i = 0; i < k; i++)
3205	>	fs[i] = new CompletableFuture<>();
3206	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3207	>	checkIncomplete(f);
3208	>	for (int i = k - 1; i >= 0; i--) {
3209	>	fs[i].complete(i);
3210	>	checkCompletedNormally(f, k - 1);
3211	>	int x = (int) CompletableFuture.anyOf(fs).join();
3212	>	assertTrue(i <= x && x <= k - 1);
3213		}
3214		}
3215		}
#	Line 3009 | Line 3218 | public class CompletableFutureTest exten
3218		* anyOf result completes exceptionally when any component does.
3219		*/
3220		public void testAnyOf_exceptional() throws Exception {
3221	<	for (int k = 0; k < 10; ++k) {
3221	>	for (int k = 0; k < 10; k++) {
3222		CompletableFuture[] fs = new CompletableFuture[k];
3223	<	for (int i = 0; i < k; ++i)
3223	>	CFException[] exs = new CFException[k];
3224	>	for (int i = 0; i < k; i++) {
3225		fs[i] = new CompletableFuture<>();
3226	+	exs[i] = new CFException();
3227	+	}
3228		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3229		checkIncomplete(f);
3230	<	for (int i = 0; i < k; ++i) {
3231	<	fs[i].completeExceptionally(new CFException());
3232	<	checkCompletedWithWrappedCFException(f);
3230	>	for (int i = 0; i < k; i++) {
3231	>	fs[i].completeExceptionally(exs[i]);
3232	>	checkCompletedWithWrappedException(f, exs[0]);
3233	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3234	>	}
3235	>	}
3236	>	}
3237	>
3238	>	public void testAnyOf_exceptional_backwards() throws Exception {
3239	>	for (int k = 0; k < 10; k++) {
3240	>	CompletableFuture[] fs = new CompletableFuture[k];
3241	>	CFException[] exs = new CFException[k];
3242	>	for (int i = 0; i < k; i++) {
3243	>	fs[i] = new CompletableFuture<>();
3244	>	exs[i] = new CFException();
3245	>	}
3246	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3247	>	checkIncomplete(f);
3248	>	for (int i = k - 1; i >= 0; i--) {
3249	>	fs[i].completeExceptionally(exs[i]);
3250	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3251		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3252		}
3253		}
#	Line 3026 | Line 3256 | public class CompletableFutureTest exten
3256		/**
3257		* Completion methods throw NullPointerException with null arguments
3258		*/
3259	+	@SuppressWarnings("FutureReturnValueIgnored")
3260		public void testNPE() {
3261		CompletableFuture<Integer> f = new CompletableFuture<>();
3262		CompletableFuture<Integer> g = new CompletableFuture<>();
3263		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3033	–	CompletableFuture<?> h;
3264		ThreadExecutor exec = new ThreadExecutor();
3265
3266		Runnable[] throwingActions = {
3267		() -> CompletableFuture.supplyAsync(null),
3268		() -> CompletableFuture.supplyAsync(null, exec),
3269	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3269	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3270
3271		() -> CompletableFuture.runAsync(null),
3272		() -> CompletableFuture.runAsync(null, exec),
#	Line 3046 | Line 3276 | public class CompletableFutureTest exten
3276
3277		() -> f.thenApply(null),
3278		() -> f.thenApplyAsync(null),
3279	<	() -> f.thenApplyAsync((x) -> x, null),
3279	>	() -> f.thenApplyAsync(x -> x, null),
3280		() -> f.thenApplyAsync(null, exec),
3281
3282		() -> f.thenAccept(null),
3283		() -> f.thenAcceptAsync(null),
3284	<	() -> f.thenAcceptAsync((x) -> {} , null),
3284	>	() -> f.thenAcceptAsync(x -> {} , null),
3285		() -> f.thenAcceptAsync(null, exec),
3286
3287		() -> f.thenRun(null),
#	Line 3086 | Line 3316 | public class CompletableFutureTest exten
3316		() -> f.applyToEither(g, null),
3317		() -> f.applyToEitherAsync(g, null),
3318		() -> f.applyToEitherAsync(g, null, exec),
3319	<	() -> f.applyToEither(nullFuture, (x) -> x),
3320	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3321	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3322	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3319	>	() -> f.applyToEither(nullFuture, x -> x),
3320	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3321	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3322	>	() -> f.applyToEitherAsync(g, x -> x, null),
3323
3324		() -> f.acceptEither(g, null),
3325		() -> f.acceptEitherAsync(g, null),
3326		() -> f.acceptEitherAsync(g, null, exec),
3327	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3328	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3329	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3330	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3327	>	() -> f.acceptEither(nullFuture, x -> {}),
3328	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3329	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3330	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3331
3332		() -> f.runAfterEither(g, null),
3333		() -> f.runAfterEitherAsync(g, null),
#	Line 3109 | Line 3339 | public class CompletableFutureTest exten
3339
3340		() -> f.thenCompose(null),
3341		() -> f.thenComposeAsync(null),
3342	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3342	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3343		() -> f.thenComposeAsync(null, exec),
3344
3345		() -> f.exceptionally(null),
#	Line 3127 | Line 3357 | public class CompletableFutureTest exten
3357		() -> CompletableFuture.anyOf(null, f),
3358
3359		() -> f.obtrudeException(null),
3360	+
3361	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3362	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3363	+	() -> CompletableFuture.delayedExecutor(1L, null),
3364	+
3365	+	() -> f.orTimeout(1L, null),
3366	+	() -> f.completeOnTimeout(42, 1L, null),
3367	+
3368	+	() -> CompletableFuture.failedFuture(null),
3369	+	() -> CompletableFuture.failedStage(null),
3370		};
3371
3372		assertThrows(NullPointerException.class, throwingActions);
#	Line 3134 | Line 3374 | public class CompletableFutureTest exten
3374		}
3375
3376		/**
3377	+	* Test submissions to an executor that rejects all tasks.
3378	+	*/
3379	+	public void testRejectingExecutor() {
3380	+	for (Integer v : new Integer[] { 1, null })
3381	+	{
3382	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3383	+
3384	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3385	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3386	+
3387	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3388	+
3389	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3390	+	srcs.add(complete);
3391	+	srcs.add(incomplete);
3392	+
3393	+	for (CompletableFuture<Integer> src : srcs) {
3394	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3395	+	fs.add(src.thenRunAsync(() -> {}, e));
3396	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3397	+	fs.add(src.thenApplyAsync(z -> z, e));
3398	+
3399	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3400	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3401	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3402	+
3403	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3404	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3405	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3406	+
3407	+	fs.add(src.thenComposeAsync(z -> null, e));
3408	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3409	+	fs.add(src.handleAsync((z, t) -> null, e));
3410	+
3411	+	for (CompletableFuture<?> future : fs) {
3412	+	if (src.isDone())
3413	+	checkCompletedWithWrappedException(future, e.ex);
3414	+	else
3415	+	checkIncomplete(future);
3416	+	}
3417	+	futures.addAll(fs);
3418	+	}
3419	+
3420	+	{
3421	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3422	+
3423	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3424	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3425	+
3426	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3427	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3428	+
3429	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3430	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3431	+
3432	+	for (CompletableFuture<?> future : fs)
3433	+	checkIncomplete(future);
3434	+	futures.addAll(fs);
3435	+	}
3436	+
3437	+	{
3438	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3439	+
3440	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3441	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3442	+
3443	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3444	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3445	+
3446	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3447	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3448	+
3449	+	for (CompletableFuture<?> future : fs)
3450	+	checkCompletedWithWrappedException(future, e.ex);
3451	+	futures.addAll(fs);
3452	+	}
3453	+
3454	+	incomplete.complete(v);
3455	+
3456	+	for (CompletableFuture<?> future : futures)
3457	+	checkCompletedWithWrappedException(future, e.ex);
3458	+
3459	+	assertEquals(futures.size(), e.count.get());
3460	+	}}
3461	+
3462	+	/**
3463	+	* Test submissions to an executor that rejects all tasks, but
3464	+	* should never be invoked because the dependent future is
3465	+	* explicitly completed.
3466	+	*/
3467	+	public void testRejectingExecutorNeverInvoked() {
3468	+	for (Integer v : new Integer[] { 1, null })
3469	+	{
3470	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3471	+
3472	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3473	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3474	+
3475	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3476	+
3477	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3478	+	srcs.add(complete);
3479	+	srcs.add(incomplete);
3480	+
3481	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3482	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3483	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3484	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3485	+
3486	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3487	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3488	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3489	+
3490	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3491	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3492	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3493	+
3494	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3495	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3496	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3497	+
3498	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3499	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3500	+
3501	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3502	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3503	+
3504	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3505	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3506	+
3507	+	for (CompletableFuture<?> future : fs)
3508	+	checkIncomplete(future);
3509	+
3510	+	for (CompletableFuture<?> future : fs)
3511	+	future.complete(null);
3512	+
3513	+	incomplete.complete(v);
3514	+
3515	+	for (CompletableFuture<?> future : fs)
3516	+	checkCompletedNormally(future, null);
3517	+
3518	+	assertEquals(0, e.count.get());
3519	+	}}
3520	+
3521	+	/**
3522		* toCompletableFuture returns this CompletableFuture.
3523		*/
3524		public void testToCompletableFuture() {
#	Line 3141 | Line 3526 | public class CompletableFutureTest exten
3526		assertSame(f, f.toCompletableFuture());
3527		}
3528
3529	+	// jdk9
3530	+
3531		/**
3532	<	* whenComplete action executes on normal completion, propagating
3146	<	* source result.
3532	>	* newIncompleteFuture returns an incomplete CompletableFuture
3533		*/
3534	<	public void testWhenComplete1() {
3535	<	final AtomicInteger a = new AtomicInteger();
3534	>	public void testNewIncompleteFuture() {
3535	>	for (Integer v1 : new Integer[] { 1, null })
3536	>	{
3537		CompletableFuture<Integer> f = new CompletableFuture<>();
3538	<	CompletableFuture<Integer> g =
3539	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3540	<	f.complete(three);
3541	<	checkCompletedNormally(f, three);
3542	<	checkCompletedNormally(g, three);
3543	<	assertEquals(a.get(), 1);
3538	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3539	>	checkIncomplete(f);
3540	>	checkIncomplete(g);
3541	>	f.complete(v1);
3542	>	checkCompletedNormally(f, v1);
3543	>	checkIncomplete(g);
3544	>	g.complete(v1);
3545	>	checkCompletedNormally(g, v1);
3546	>	assertSame(g.getClass(), CompletableFuture.class);
3547	>	}}
3548	>
3549	>	/**
3550	>	* completedStage returns a completed CompletionStage
3551	>	*/
3552	>	public void testCompletedStage() {
3553	>	AtomicInteger x = new AtomicInteger(0);
3554	>	AtomicReference<Throwable> r = new AtomicReference<>();
3555	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3556	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3557	>	assertEquals(x.get(), 1);
3558	>	assertNull(r.get());
3559		}
3560
3561		/**
3562	<	* whenComplete action executes on exceptional completion, propagating
3563	<	* source result.
3562	>	* defaultExecutor by default returns the commonPool if
3563	>	* it supports more than one thread.
3564		*/
3565	<	public void testWhenComplete2() {
3164	<	final AtomicInteger a = new AtomicInteger();
3565	>	public void testDefaultExecutor() {
3566		CompletableFuture<Integer> f = new CompletableFuture<>();
3567	<	CompletableFuture<Integer> g =
3568	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3569	<	f.completeExceptionally(new CFException());
3570	<	assertTrue(f.isCompletedExceptionally());
3571	<	assertTrue(g.isCompletedExceptionally());
3572	<	assertEquals(a.get(), 1);
3567	>	Executor e = f.defaultExecutor();
3568	>	Executor c = ForkJoinPool.commonPool();
3569	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3570	>	assertSame(e, c);
3571	>	else
3572	>	assertNotSame(e, c);
3573		}
3574
3575		/**
3576	<	* If a whenComplete action throws an exception when triggered by
3577	<	* a normal completion, it completes exceptionally
3576	>	* failedFuture returns a CompletableFuture completed
3577	>	* exceptionally with the given Exception
3578	>	*/
3579	>	public void testFailedFuture() {
3580	>	CFException ex = new CFException();
3581	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3582	>	checkCompletedExceptionally(f, ex);
3583	>	}
3584	>
3585	>	/**
3586	>	* failedFuture(null) throws NPE
3587		*/
3588	<	public void testWhenComplete3() {
3588	>	public void testFailedFuture_null() {
3589	>	try {
3590	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3591	>	shouldThrow();
3592	>	} catch (NullPointerException success) {}
3593	>	}
3594	>
3595	>	/**
3596	>	* copy returns a CompletableFuture that is completed normally,
3597	>	* with the same value, when source is.
3598	>	*/
3599	>	public void testCopy_normalCompletion() {
3600	>	for (boolean createIncomplete : new boolean[] { true, false })
3601	>	for (Integer v1 : new Integer[] { 1, null })
3602	>	{
3603		CompletableFuture<Integer> f = new CompletableFuture<>();
3604	<	CompletableFuture<Integer> g =
3605	<	f.whenComplete((Integer x, Throwable t) ->
3606	<	{ throw new CFException(); } );
3607	<	f.complete(three);
3608	<	checkCompletedNormally(f, three);
3609	<	assertTrue(g.isCompletedExceptionally());
3610	<	checkCompletedWithWrappedCFException(g);
3604	>	if (!createIncomplete) assertTrue(f.complete(v1));
3605	>	CompletableFuture<Integer> g = f.copy();
3606	>	if (createIncomplete) {
3607	>	checkIncomplete(f);
3608	>	checkIncomplete(g);
3609	>	assertTrue(f.complete(v1));
3610	>	}
3611	>	checkCompletedNormally(f, v1);
3612	>	checkCompletedNormally(g, v1);
3613	>	}}
3614	>
3615	>	/**
3616	>	* copy returns a CompletableFuture that is completed exceptionally
3617	>	* when source is.
3618	>	*/
3619	>	public void testCopy_exceptionalCompletion() {
3620	>	for (boolean createIncomplete : new boolean[] { true, false })
3621	>	{
3622	>	CFException ex = new CFException();
3623	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3624	>	if (!createIncomplete) f.completeExceptionally(ex);
3625	>	CompletableFuture<Integer> g = f.copy();
3626	>	if (createIncomplete) {
3627	>	checkIncomplete(f);
3628	>	checkIncomplete(g);
3629	>	f.completeExceptionally(ex);
3630	>	}
3631	>	checkCompletedExceptionally(f, ex);
3632	>	checkCompletedWithWrappedException(g, ex);
3633	>	}}
3634	>
3635	>	/**
3636	>	* Completion of a copy does not complete its source.
3637	>	*/
3638	>	public void testCopy_oneWayPropagation() {
3639	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3640	>	assertTrue(f.copy().complete(1));
3641	>	assertTrue(f.copy().complete(null));
3642	>	assertTrue(f.copy().cancel(true));
3643	>	assertTrue(f.copy().cancel(false));
3644	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3645	>	checkIncomplete(f);
3646		}
3647
3648		/**
3649	<	* whenCompleteAsync action executes on normal completion, propagating
3650	<	* source result.
3649	>	* minimalCompletionStage returns a CompletableFuture that is
3650	>	* completed normally, with the same value, when source is.
3651		*/
3652	<	public void testWhenCompleteAsync1() {
3194	<	final AtomicInteger a = new AtomicInteger();
3652	>	public void testMinimalCompletionStage() {
3653		CompletableFuture<Integer> f = new CompletableFuture<>();
3654	<	CompletableFuture<Integer> g =
3655	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3656	<	f.complete(three);
3657	<	checkCompletedNormally(f, three);
3658	<	checkCompletedNormally(g, three);
3659	<	assertEquals(a.get(), 1);
3654	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3655	>	AtomicInteger x = new AtomicInteger(0);
3656	>	AtomicReference<Throwable> r = new AtomicReference<>();
3657	>	checkIncomplete(f);
3658	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3659	>	f.complete(1);
3660	>	checkCompletedNormally(f, 1);
3661	>	assertEquals(x.get(), 1);
3662	>	assertNull(r.get());
3663		}
3664
3665		/**
3666	<	* whenCompleteAsync action executes on exceptional completion, propagating
3667	<	* source result.
3666	>	* minimalCompletionStage returns a CompletableFuture that is
3667	>	* completed exceptionally when source is.
3668		*/
3669	<	public void testWhenCompleteAsync2() {
3209	<	final AtomicInteger a = new AtomicInteger();
3669	>	public void testMinimalCompletionStage2() {
3670		CompletableFuture<Integer> f = new CompletableFuture<>();
3671	<	CompletableFuture<Integer> g =
3672	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3673	<	f.completeExceptionally(new CFException());
3674	<	checkCompletedWithWrappedCFException(f);
3675	<	checkCompletedWithWrappedCFException(g);
3671	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3672	>	AtomicInteger x = new AtomicInteger(0);
3673	>	AtomicReference<Throwable> r = new AtomicReference<>();
3674	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3675	>	checkIncomplete(f);
3676	>	CFException ex = new CFException();
3677	>	f.completeExceptionally(ex);
3678	>	checkCompletedExceptionally(f, ex);
3679	>	assertEquals(x.get(), 0);
3680	>	assertEquals(r.get().getCause(), ex);
3681	>	}
3682	>
3683	>	/**
3684	>	* failedStage returns a CompletionStage completed
3685	>	* exceptionally with the given Exception
3686	>	*/
3687	>	public void testFailedStage() {
3688	>	CFException ex = new CFException();
3689	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3690	>	AtomicInteger x = new AtomicInteger(0);
3691	>	AtomicReference<Throwable> r = new AtomicReference<>();
3692	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3693	>	assertEquals(x.get(), 0);
3694	>	assertEquals(r.get(), ex);
3695		}
3696
3697		/**
3698	<	* If a whenCompleteAsync action throws an exception when
3220	<	* triggered by a normal completion, it completes exceptionally
3698	>	* completeAsync completes with value of given supplier
3699		*/
3700	<	public void testWhenCompleteAsync3() {
3700	>	public void testCompleteAsync() {
3701	>	for (Integer v1 : new Integer[] { 1, null })
3702	>	{
3703		CompletableFuture<Integer> f = new CompletableFuture<>();
3704	<	CompletableFuture<Integer> g =
3705	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3706	<	{ throw new CFException(); } );
3707	<	f.complete(three);
3708	<	checkCompletedNormally(f, three);
3709	<	checkCompletedWithWrappedCFException(g);
3704	>	f.completeAsync(() -> v1);
3705	>	f.join();
3706	>	checkCompletedNormally(f, v1);
3707	>	}}
3708	>
3709	>	/**
3710	>	* completeAsync completes exceptionally if given supplier throws
3711	>	*/
3712	>	public void testCompleteAsync2() {
3713	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3714	>	CFException ex = new CFException();
3715	>	f.completeAsync(() -> { throw ex; });
3716	>	try {
3717	>	f.join();
3718	>	shouldThrow();
3719	>	} catch (CompletionException success) {}
3720	>	checkCompletedWithWrappedException(f, ex);
3721		}
3722
3723		/**
3724	<	* whenCompleteAsync action executes on normal completion, propagating
3234	<	* source result.
3724	>	* completeAsync with given executor completes with value of given supplier
3725		*/
3726	<	public void testWhenCompleteAsync1e() {
3727	<	final AtomicInteger a = new AtomicInteger();
3728	<	ThreadExecutor exec = new ThreadExecutor();
3726	>	public void testCompleteAsync3() {
3727	>	for (Integer v1 : new Integer[] { 1, null })
3728	>	{
3729		CompletableFuture<Integer> f = new CompletableFuture<>();
3730	<	CompletableFuture<Integer> g =
3731	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3732	<	exec);
3733	<	f.complete(three);
3734	<	checkCompletedNormally(f, three);
3735	<	checkCompletedNormally(g, three);
3736	<	assertEquals(a.get(), 1);
3730	>	ThreadExecutor executor = new ThreadExecutor();
3731	>	f.completeAsync(() -> v1, executor);
3732	>	assertSame(v1, f.join());
3733	>	checkCompletedNormally(f, v1);
3734	>	assertEquals(1, executor.count.get());
3735	>	}}
3736	>
3737	>	/**
3738	>	* completeAsync with given executor completes exceptionally if
3739	>	* given supplier throws
3740	>	*/
3741	>	public void testCompleteAsync4() {
3742	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3743	>	CFException ex = new CFException();
3744	>	ThreadExecutor executor = new ThreadExecutor();
3745	>	f.completeAsync(() -> { throw ex; }, executor);
3746	>	try {
3747	>	f.join();
3748	>	shouldThrow();
3749	>	} catch (CompletionException success) {}
3750	>	checkCompletedWithWrappedException(f, ex);
3751	>	assertEquals(1, executor.count.get());
3752		}
3753
3754		/**
3755	<	* whenCompleteAsync action executes on exceptional completion, propagating
3251	<	* source result.
3755	>	* orTimeout completes with TimeoutException if not complete
3756		*/
3757	<	public void testWhenCompleteAsync2e() {
3758	<	final AtomicInteger a = new AtomicInteger();
3255	<	ThreadExecutor exec = new ThreadExecutor();
3757	>	public void testOrTimeout_timesOut() {
3758	>	long timeoutMillis = timeoutMillis();
3759		CompletableFuture<Integer> f = new CompletableFuture<>();
3760	<	CompletableFuture<Integer> g =
3761	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3762	<	exec);
3763	<	f.completeExceptionally(new CFException());
3261	<	checkCompletedWithWrappedCFException(f);
3262	<	checkCompletedWithWrappedCFException(g);
3760	>	long startTime = System.nanoTime();
3761	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3762	>	checkCompletedWithTimeoutException(f);
3763	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3764		}
3765
3766		/**
3767	<	* If a whenCompleteAsync action throws an exception when triggered
3267	<	* by a normal completion, it completes exceptionally
3767	>	* orTimeout completes normally if completed before timeout
3768		*/
3769	<	public void testWhenCompleteAsync3e() {
3770	<	ThreadExecutor exec = new ThreadExecutor();
3769	>	public void testOrTimeout_completed() {
3770	>	for (Integer v1 : new Integer[] { 1, null })
3771	>	{
3772	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3773	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3774	>	long startTime = System.nanoTime();
3775	>	f.complete(v1);
3776	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3777	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3778	>	g.complete(v1);
3779	>	checkCompletedNormally(f, v1);
3780	>	checkCompletedNormally(g, v1);
3781	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3782	>	}}
3783	>
3784	>	/**
3785	>	* completeOnTimeout completes with given value if not complete
3786	>	*/
3787	>	public void testCompleteOnTimeout_timesOut() {
3788	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3789	>	() -> testCompleteOnTimeout_timesOut(null));
3790	>	}
3791	>
3792	>	/**
3793	>	* completeOnTimeout completes with given value if not complete
3794	>	*/
3795	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3796	>	long timeoutMillis = timeoutMillis();
3797		CompletableFuture<Integer> f = new CompletableFuture<>();
3798	+	long startTime = System.nanoTime();
3799	+	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3800	+	assertSame(v, f.join());
3801	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3802	+	f.complete(99);         // should have no effect
3803	+	checkCompletedNormally(f, v);
3804	+	}
3805	+
3806	+	/**
3807	+	* completeOnTimeout has no effect if completed within timeout
3808	+	*/
3809	+	public void testCompleteOnTimeout_completed() {
3810	+	for (Integer v1 : new Integer[] { 1, null })
3811	+	{
3812	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3813	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3814	+	long startTime = System.nanoTime();
3815	+	f.complete(v1);
3816	+	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3817	+	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3818	+	g.complete(v1);
3819	+	checkCompletedNormally(f, v1);
3820	+	checkCompletedNormally(g, v1);
3821	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3822	+	}}
3823	+
3824	+	/**
3825	+	* delayedExecutor returns an executor that delays submission
3826	+	*/
3827	+	public void testDelayedExecutor() {
3828	+	testInParallel(() -> testDelayedExecutor(null, null),
3829	+	() -> testDelayedExecutor(null, 1),
3830	+	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3831	+	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3832	+	}
3833	+
3834	+	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3835	+	long timeoutMillis = timeoutMillis();
3836	+	// Use an "unreasonably long" long timeout to catch lingering threads
3837	+	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3838	+	final Executor delayer, longDelayer;
3839	+	if (executor == null) {
3840	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3841	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3842	+	} else {
3843	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3844	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3845	+	}
3846	+	long startTime = System.nanoTime();
3847	+	CompletableFuture<Integer> f =
3848	+	CompletableFuture.supplyAsync(() -> v, delayer);
3849		CompletableFuture<Integer> g =
3850	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3851	<	{ throw new CFException(); },
3852	<	exec);
3853	<	f.complete(three);
3854	<	checkCompletedNormally(f, three);
3855	<	checkCompletedWithWrappedCFException(g);
3850	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3851	>
3852	>	assertNull(g.getNow(null));
3853	>
3854	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3855	>	long millisElapsed = millisElapsedSince(startTime);
3856	>	assertTrue(millisElapsed >= timeoutMillis);
3857	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3858	>
3859	>	checkCompletedNormally(f, v);
3860	>
3861	>	checkIncomplete(g);
3862	>	assertTrue(g.cancel(true));
3863	>	}
3864	>
3865	>	//--- tests of implementation details; not part of official tck ---
3866	>
3867	>	Object resultOf(CompletableFuture<?> f) {
3868	>	SecurityManager sm = System.getSecurityManager();
3869	>	if (sm != null) {
3870	>	try {
3871	>	System.setSecurityManager(null);
3872	>	} catch (SecurityException giveUp) {
3873	>	return "Reflection not available";
3874	>	}
3875	>	}
3876	>
3877	>	try {
3878	>	java.lang.reflect.Field resultField
3879	>	= CompletableFuture.class.getDeclaredField("result");
3880	>	resultField.setAccessible(true);
3881	>	return resultField.get(f);
3882	>	} catch (Throwable t) {
3883	>	throw new AssertionError(t);
3884	>	} finally {
3885	>	if (sm != null) System.setSecurityManager(sm);
3886	>	}
3887		}
3888
3889	+	public void testExceptionPropagationReusesResultObject() {
3890	+	if (!testImplementationDetails) return;
3891	+	for (ExecutionMode m : ExecutionMode.values())
3892	+	{
3893	+	final CFException ex = new CFException();
3894	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3895	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3896	+
3897	+	final Runnable noopRunnable = new Noop(m);
3898	+	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3899	+	final Function<Integer, Integer> incFunction = new IncFunction(m);
3900	+
3901	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3902	+	= new ArrayList<>();
3903	+
3904	+	funs.add(y -> m.thenRun(y, noopRunnable));
3905	+	funs.add(y -> m.thenAccept(y, noopConsumer));
3906	+	funs.add(y -> m.thenApply(y, incFunction));
3907	+
3908	+	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3909	+	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3910	+	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3911	+
3912	+	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3913	+	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3914	+	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3915	+	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3916	+	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3917	+	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3918	+
3919	+	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3920	+
3921	+	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3922	+
3923	+	funs.add(y -> CompletableFuture.allOf(y));
3924	+	funs.add(y -> CompletableFuture.allOf(y, v42));
3925	+	funs.add(y -> CompletableFuture.allOf(v42, y));
3926	+	funs.add(y -> CompletableFuture.anyOf(y));
3927	+	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3928	+	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3929	+
3930	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3931	+	fun : funs) {
3932	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3933	+	f.completeExceptionally(ex);
3934	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3935	+	checkCompletedWithWrappedException(src, ex);
3936	+	CompletableFuture<?> dep = fun.apply(src);
3937	+	checkCompletedWithWrappedException(dep, ex);
3938	+	assertSame(resultOf(src), resultOf(dep));
3939	+	}
3940	+
3941	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3942	+	fun : funs) {
3943	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3944	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3945	+	CompletableFuture<?> dep = fun.apply(src);
3946	+	f.completeExceptionally(ex);
3947	+	checkCompletedWithWrappedException(src, ex);
3948	+	checkCompletedWithWrappedException(dep, ex);
3949	+	assertSame(resultOf(src), resultOf(dep));
3950	+	}
3951	+
3952	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3953	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3954	+	fun : funs) {
3955	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3956	+	f.cancel(mayInterruptIfRunning);
3957	+	checkCancelled(f);
3958	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3959	+	checkCompletedWithWrappedCancellationException(src);
3960	+	CompletableFuture<?> dep = fun.apply(src);
3961	+	checkCompletedWithWrappedCancellationException(dep);
3962	+	assertSame(resultOf(src), resultOf(dep));
3963	+	}
3964	+
3965	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3966	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3967	+	fun : funs) {
3968	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3969	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3970	+	CompletableFuture<?> dep = fun.apply(src);
3971	+	f.cancel(mayInterruptIfRunning);
3972	+	checkCancelled(f);
3973	+	checkCompletedWithWrappedCancellationException(src);
3974	+	checkCompletedWithWrappedCancellationException(dep);
3975	+	assertSame(resultOf(src), resultOf(dep));
3976	+	}
3977	+	}}
3978	+
3979		/**
3980	<	* handleAsync action completes normally with function value on
3283	<	* either normal or exceptional completion of source
3980	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3981		*/
3982	<	public void testHandleAsync() {
3983	<	CompletableFuture<Integer> f, g;
3984	<	IntegerHandler r;
3982	>	public void testMinimalCompletionStage_minimality() {
3983	>	if (!testImplementationDetails) return;
3984	>	Function<Method, String> toSignature =
3985	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3986	>	Predicate<Method> isNotStatic =
3987	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3988	>	List<Method> minimalMethods =
3989	>	Stream.of(Object.class, CompletionStage.class)
3990	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3991	>	.filter(isNotStatic)
3992	>	.collect(Collectors.toList());
3993	>	// Methods from CompletableFuture permitted NOT to throw UOE
3994	>	String[] signatureWhitelist = {
3995	>	"newIncompleteFuture[]",
3996	>	"defaultExecutor[]",
3997	>	"minimalCompletionStage[]",
3998	>	"copy[]",
3999	>	};
4000	>	Set<String> permittedMethodSignatures =
4001	>	Stream.concat(minimalMethods.stream().map(toSignature),
4002	>	Stream.of(signatureWhitelist))
4003	>	.collect(Collectors.toSet());
4004	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4005	>	.filter(isNotStatic)
4006	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4007	>	.collect(Collectors.toList());
4008	>
4009	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4010	>	CompletionStage<Integer> min =
4011	>	new CompletableFuture<Integer>().minimalCompletionStage();
4012	>	stages.add(min);
4013	>	stages.add(min.thenApply(x -> x));
4014	>	stages.add(CompletableFuture.completedStage(1));
4015	>	stages.add(CompletableFuture.failedStage(new CFException()));
4016	>
4017	>	List<Method> bugs = new ArrayList<>();
4018	>	for (Method method : allMethods) {
4019	>	Class<?>[] parameterTypes = method.getParameterTypes();
4020	>	Object[] args = new Object[parameterTypes.length];
4021	>	// Manufacture boxed primitives for primitive params
4022	>	for (int i = 0; i < args.length; i++) {
4023	>	Class<?> type = parameterTypes[i];
4024	>	if (parameterTypes[i] == boolean.class)
4025	>	args[i] = false;
4026	>	else if (parameterTypes[i] == int.class)
4027	>	args[i] = 0;
4028	>	else if (parameterTypes[i] == long.class)
4029	>	args[i] = 0L;
4030	>	}
4031	>	for (CompletionStage<Integer> stage : stages) {
4032	>	try {
4033	>	method.invoke(stage, args);
4034	>	bugs.add(method);
4035	>	}
4036	>	catch (java.lang.reflect.InvocationTargetException expected) {
4037	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4038	>	bugs.add(method);
4039	>	// expected.getCause().printStackTrace();
4040	>	}
4041	>	}
4042	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4043	>	}
4044	>	}
4045	>	if (!bugs.isEmpty())
4046	>	throw new Error("Methods did not throw UOE: " + bugs);
4047	>	}
4048
4049	<	f = new CompletableFuture<>();
4050	<	g = f.handleAsync(r = new IntegerHandler());
4051	<	assertFalse(r.ran);
4052	<	f.completeExceptionally(new CFException());
4053	<	checkCompletedWithWrappedCFException(f);
4054	<	checkCompletedNormally(g, three);
4055	<	assertTrue(r.ran);
4049	>	/**
4050	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4051	>	* is completed normally, with the same value, when source is.
4052	>	*/
4053	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4054	>	for (boolean createIncomplete : new boolean[] { true, false })
4055	>	for (Integer v1 : new Integer[] { 1, null })
4056	>	{
4057	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4058	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4059	>	if (!createIncomplete) assertTrue(f.complete(v1));
4060	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4061	>	if (createIncomplete) {
4062	>	checkIncomplete(f);
4063	>	checkIncomplete(g);
4064	>	assertTrue(f.complete(v1));
4065	>	}
4066	>	checkCompletedNormally(f, v1);
4067	>	checkCompletedNormally(g, v1);
4068	>	}}
4069
4070	<	f = new CompletableFuture<>();
4071	<	g = f.handleAsync(r = new IntegerHandler());
4072	<	assertFalse(r.ran);
4073	<	f.completeExceptionally(new CFException());
4074	<	checkCompletedWithWrappedCFException(f);
4075	<	checkCompletedNormally(g, three);
4076	<	assertTrue(r.ran);
4070	>	/**
4071	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4072	>	* is completed exceptionally when source is.
4073	>	*/
4074	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4075	>	for (boolean createIncomplete : new boolean[] { true, false })
4076	>	{
4077	>	CFException ex = new CFException();
4078	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4079	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4080	>	if (!createIncomplete) f.completeExceptionally(ex);
4081	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4082	>	if (createIncomplete) {
4083	>	checkIncomplete(f);
4084	>	checkIncomplete(g);
4085	>	f.completeExceptionally(ex);
4086	>	}
4087	>	checkCompletedExceptionally(f, ex);
4088	>	checkCompletedWithWrappedException(g, ex);
4089	>	}}
4090
4091	<	f = new CompletableFuture<>();
4092	<	g = f.handleAsync(r = new IntegerHandler());
4093	<	assertFalse(r.ran);
4094	<	f.complete(one);
4095	<	checkCompletedNormally(f, one);
4096	<	checkCompletedNormally(g, two);
4097	<	assertTrue(r.ran);
4091	>	/**
4092	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4093	>	*/
4094	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4095	>	for (Integer v1 : new Integer[] { 1, null })
4096	>	{
4097	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4098	>	CompletionStage minimal = f.minimalCompletionStage();
4099	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4100	>	assertTrue(g.complete(v1));
4101	>	checkCompletedNormally(g, v1);
4102	>	checkIncomplete(f);
4103	>	checkIncomplete(minimal.toCompletableFuture());
4104	>	}}
4105
4106	<	f = new CompletableFuture<>();
4107	<	g = f.handleAsync(r = new IntegerHandler());
4108	<	assertFalse(r.ran);
4109	<	f.complete(one);
4110	<	checkCompletedNormally(f, one);
4111	<	checkCompletedNormally(g, two);
4112	<	assertTrue(r.ran);
4106	>	/**
4107	>	* minimalStage.toCompletableFuture().join() awaits completion
4108	>	*/
4109	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4110	>	for (boolean createIncomplete : new boolean[] { true, false })
4111	>	for (Integer v1 : new Integer[] { 1, null })
4112	>	{
4113	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4114	>	if (!createIncomplete) assertTrue(f.complete(v1));
4115	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4116	>	if (createIncomplete) assertTrue(f.complete(v1));
4117	>	assertEquals(v1, minimal.toCompletableFuture().join());
4118	>	assertEquals(v1, minimal.toCompletableFuture().get());
4119	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4120	>	}}
4121	>
4122	>	/**
4123	>	* Completion of a toCompletableFuture copy of a minimal stage
4124	>	* does not complete its source.
4125	>	*/
4126	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4127	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4128	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4129	>	assertTrue(g.toCompletableFuture().complete(1));
4130	>	assertTrue(g.toCompletableFuture().complete(null));
4131	>	assertTrue(g.toCompletableFuture().cancel(true));
4132	>	assertTrue(g.toCompletableFuture().cancel(false));
4133	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4134	>	checkIncomplete(g.toCompletableFuture());
4135	>	f.complete(1);
4136	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4137	>	}
4138	>
4139	>	/** Demo utility method for external reliable toCompletableFuture */
4140	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4141	>	CompletableFuture<T> f = new CompletableFuture<>();
4142	>	stage.handle((T t, Throwable ex) -> {
4143	>	if (ex != null) f.completeExceptionally(ex);
4144	>	else f.complete(t);
4145	>	return null;
4146	>	});
4147	>	return f;
4148	>	}
4149	>
4150	>	/** Demo utility method to join a CompletionStage */
4151	>	static <T> T join(CompletionStage<T> stage) {
4152	>	return toCompletableFuture(stage).join();
4153		}
4154
4155		/**
4156	<	* handleAsync action with Executor completes normally with
3324	<	* function value on either normal or exceptional completion of
3325	<	* source
4156	>	* Joining a minimal stage "by hand" works
4157		*/
4158	<	public void testHandleAsync2() {
4159	<	CompletableFuture<Integer> f, g;
4160	<	ThreadExecutor exec = new ThreadExecutor();
4161	<	IntegerHandler r;
4158	>	public void testMinimalCompletionStage_join_by_hand() {
4159	>	for (boolean createIncomplete : new boolean[] { true, false })
4160	>	for (Integer v1 : new Integer[] { 1, null })
4161	>	{
4162	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4163	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4164	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4165	>	if (!createIncomplete) assertTrue(f.complete(v1));
4166	>	minimal.thenAccept(x -> g.complete(x));
4167	>	if (createIncomplete) assertTrue(f.complete(v1));
4168	>	g.join();
4169	>	checkCompletedNormally(g, v1);
4170	>	checkCompletedNormally(f, v1);
4171	>	assertEquals(v1, join(minimal));
4172	>	}}
4173
4174	<	f = new CompletableFuture<>();
4175	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4176	<	assertFalse(r.ran);
4177	<	f.completeExceptionally(new CFException());
4178	<	checkCompletedWithWrappedCFException(f);
4179	<	checkCompletedNormally(g, three);
4180	<	assertTrue(r.ran);
4174	>	static class Monad {
4175	>	static class ZeroException extends RuntimeException {
4176	>	public ZeroException() { super("monadic zero"); }
4177	>	}
4178	>	// "return", "unit"
4179	>	static <T> CompletableFuture<T> unit(T value) {
4180	>	return completedFuture(value);
4181	>	}
4182	>	// monadic zero ?
4183	>	static <T> CompletableFuture<T> zero() {
4184	>	return failedFuture(new ZeroException());
4185	>	}
4186	>	// >=>
4187	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4188	>	(Function<T, CompletableFuture<U>> f,
4189	>	Function<U, CompletableFuture<V>> g) {
4190	>	return x -> f.apply(x).thenCompose(g);
4191	>	}
4192
4193	<	f = new CompletableFuture<>();
4194	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4195	<	assertFalse(r.ran);
4196	<	f.completeExceptionally(new CFException());
4197	<	checkCompletedWithWrappedCFException(f);
4198	<	checkCompletedNormally(g, three);
4199	<	assertTrue(r.ran);
4193	>	static void assertZero(CompletableFuture<?> f) {
4194	>	try {
4195	>	f.getNow(null);
4196	>	throw new AssertionError("should throw");
4197	>	} catch (CompletionException success) {
4198	>	assertTrue(success.getCause() instanceof ZeroException);
4199	>	}
4200	>	}
4201
4202	<	f = new CompletableFuture<>();
4203	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4204	<	assertFalse(r.ran);
4205	<	f.complete(one);
4206	<	checkCompletedNormally(f, one);
4207	<	checkCompletedNormally(g, two);
4208	<	assertTrue(r.ran);
4202	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4203	>	CompletableFuture<T> g) {
4204	>	T fval = null, gval = null;
4205	>	Throwable fex = null, gex = null;
4206	>
4207	>	try { fval = f.get(); }
4208	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4209	>	catch (Throwable ex) { fex = ex; }
4210	>
4211	>	try { gval = g.get(); }
4212	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4213	>	catch (Throwable ex) { gex = ex; }
4214	>
4215	>	if (fex != null || gex != null)
4216	>	assertSame(fex.getClass(), gex.getClass());
4217	>	else
4218	>	assertEquals(fval, gval);
4219	>	}
4220
4221	<	f = new CompletableFuture<>();
4222	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4223	<	assertFalse(r.ran);
4224	<	f.complete(one);
4225	<	checkCompletedNormally(f, one);
4226	<	checkCompletedNormally(g, two);
4227	<	assertTrue(r.ran);
4221	>	static class PlusFuture<T> extends CompletableFuture<T> {
4222	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4223	>	}
4224	>
4225	>	/** Implements "monadic plus". */
4226	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4227	>	CompletableFuture<? extends T> g) {
4228	>	PlusFuture<T> plus = new PlusFuture<T>();
4229	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4230	>	try {
4231	>	if (ex == null) {
4232	>	if (plus.complete(result))
4233	>	if (plus.firstFailure.get() != null)
4234	>	plus.firstFailure.set(null);
4235	>	}
4236	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4237	>	if (plus.isDone())
4238	>	plus.firstFailure.set(null);
4239	>	}
4240	>	else {
4241	>	// first failure has precedence
4242	>	Throwable first = plus.firstFailure.getAndSet(null);
4243	>
4244	>	// may fail with "Self-suppression not permitted"
4245	>	try { first.addSuppressed(ex); }
4246	>	catch (Exception ignored) {}
4247	>
4248	>	plus.completeExceptionally(first);
4249	>	}
4250	>	} catch (Throwable unexpected) {
4251	>	plus.completeExceptionally(unexpected);
4252	>	}
4253	>	};
4254	>	f.whenComplete(action);
4255	>	g.whenComplete(action);
4256	>	return plus;
4257	>	}
4258		}
4259
4260	+	/**
4261	+	* CompletableFuture is an additive monad - sort of.
4262	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4263	+	*/
4264	+	public void testAdditiveMonad() throws Throwable {
4265	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4266	+	CompletableFuture<Long> zero = Monad.zero();
4267	+
4268	+	// Some mutually non-commutative functions
4269	+	Function<Long, CompletableFuture<Long>> triple
4270	+	= x -> Monad.unit(3 * x);
4271	+	Function<Long, CompletableFuture<Long>> inc
4272	+	= x -> Monad.unit(x + 1);
4273	+
4274	+	// unit is a right identity: m >>= unit === m
4275	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4276	+	inc.apply(5L));
4277	+	// unit is a left identity: (unit x) >>= f === f x
4278	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4279	+	inc.apply(5L));
4280	+
4281	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4282	+	Monad.assertFutureEquals(
4283	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4284	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4285	+
4286	+	// The case for CompletableFuture as an additive monad is weaker...
4287	+
4288	+	// zero is a monadic zero
4289	+	Monad.assertZero(zero);
4290	+
4291	+	// left zero: zero >>= f === zero
4292	+	Monad.assertZero(zero.thenCompose(inc));
4293	+	// right zero: f >>= (\x -> zero) === zero
4294	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4295	+
4296	+	// f plus zero === f
4297	+	Monad.assertFutureEquals(Monad.unit(5L),
4298	+	Monad.plus(Monad.unit(5L), zero));
4299	+	// zero plus f === f
4300	+	Monad.assertFutureEquals(Monad.unit(5L),
4301	+	Monad.plus(zero, Monad.unit(5L)));
4302	+	// zero plus zero === zero
4303	+	Monad.assertZero(Monad.plus(zero, zero));
4304	+	{
4305	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4306	+	Monad.unit(8L));
4307	+	// non-determinism
4308	+	assertTrue(f.get() == 5L || f.get() == 8L);
4309	+	}
4310	+
4311	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4312	+	// f plus godot === f (doesn't wait for godot)
4313	+	Monad.assertFutureEquals(Monad.unit(5L),
4314	+	Monad.plus(Monad.unit(5L), godot));
4315	+	// godot plus f === f (doesn't wait for godot)
4316	+	Monad.assertFutureEquals(Monad.unit(5L),
4317	+	Monad.plus(godot, Monad.unit(5L)));
4318	+	}
4319	+
4320	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4321	+	@SuppressWarnings("FutureReturnValueIgnored")
4322	+	public void testRecursiveChains() throws Throwable {
4323	+	for (ExecutionMode m : ExecutionMode.values())
4324	+	for (boolean addDeadEnds : new boolean[] { true, false })
4325	+	{
4326	+	final int val = 42;
4327	+	final int n = expensiveTests ? 1_000 : 2;
4328	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4329	+	CompletableFuture<Integer> tail = head;
4330	+	for (int i = 0; i < n; i++) {
4331	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4332	+	tail = m.thenApply(tail, v -> v + 1);
4333	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4334	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4335	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4336	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4337	+	}
4338	+	head.complete(val);
4339	+	assertEquals(val + 3 * n, (int) tail.join());
4340	+	}}
4341	+
4342	+	/**
4343	+	* A single CompletableFuture with many dependents.
4344	+	* A demo of scalability - runtime is O(n).
4345	+	*/
4346	+	@SuppressWarnings("FutureReturnValueIgnored")
4347	+	public void testManyDependents() throws Throwable {
4348	+	final int n = expensiveTests ? 1_000_000 : 10;
4349	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4350	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4351	+	final AtomicInteger count = new AtomicInteger(0);
4352	+	for (int i = 0; i < n; i++) {
4353	+	head.thenRun(() -> count.getAndIncrement());
4354	+	head.thenAccept(x -> count.getAndIncrement());
4355	+	head.thenApply(x -> count.getAndIncrement());
4356	+
4357	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4358	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4359	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4360	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4361	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4362	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4363	+
4364	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4365	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4366	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4367	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4368	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4369	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4370	+	}
4371	+	head.complete(null);
4372	+	assertEquals(5 * 3 * n, count.get());
4373	+	}
4374	+
4375	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4376	+	@SuppressWarnings("FutureReturnValueIgnored")
4377	+	public void testCoCompletionGarbageRetention() throws Throwable {
4378	+	final int n = expensiveTests ? 1_000_000 : 10;
4379	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4380	+	CompletableFuture<Integer> f;
4381	+	for (int i = 0; i < n; i++) {
4382	+	f = new CompletableFuture<>();
4383	+	f.runAfterEither(incomplete, () -> {});
4384	+	f.complete(null);
4385	+
4386	+	f = new CompletableFuture<>();
4387	+	f.acceptEither(incomplete, x -> {});
4388	+	f.complete(null);
4389	+
4390	+	f = new CompletableFuture<>();
4391	+	f.applyToEither(incomplete, x -> x);
4392	+	f.complete(null);
4393	+
4394	+	f = new CompletableFuture<>();
4395	+	CompletableFuture.anyOf(f, incomplete);
4396	+	f.complete(null);
4397	+	}
4398	+
4399	+	for (int i = 0; i < n; i++) {
4400	+	f = new CompletableFuture<>();
4401	+	incomplete.runAfterEither(f, () -> {});
4402	+	f.complete(null);
4403	+
4404	+	f = new CompletableFuture<>();
4405	+	incomplete.acceptEither(f, x -> {});
4406	+	f.complete(null);
4407	+
4408	+	f = new CompletableFuture<>();
4409	+	incomplete.applyToEither(f, x -> x);
4410	+	f.complete(null);
4411	+
4412	+	f = new CompletableFuture<>();
4413	+	CompletableFuture.anyOf(incomplete, f);
4414	+	f.complete(null);
4415	+	}
4416	+	}
4417	+
4418	+	/**
4419	+	* Reproduction recipe for:
4420	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4421	+	* 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
4422	+	*/
4423	+	public void testAnyOfGarbageRetention() throws Throwable {
4424	+	for (Integer v : new Integer[] { 1, null })
4425	+	{
4426	+	final int n = expensiveTests ? 100_000 : 10;
4427	+	CompletableFuture<Integer>[] fs
4428	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4429	+	for (int i = 0; i < fs.length; i++)
4430	+	fs[i] = new CompletableFuture<>();
4431	+	fs[fs.length - 1].complete(v);
4432	+	for (int i = 0; i < n; i++)
4433	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4434	+	}}
4435	+
4436	+	/**
4437	+	* Checks for garbage retention with allOf.
4438	+	*
4439	+	* As of 2016-07, fails with OOME:
4440	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4441	+	*/
4442	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4443	+	final int n = expensiveTests ? 100_000 : 10;
4444	+	CompletableFuture<Integer>[] fs
4445	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4446	+	for (int i = 0; i < fs.length; i++)
4447	+	fs[i] = new CompletableFuture<>();
4448	+	for (int i = 0; i < n; i++)
4449	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4450	+	}
4451	+
4452	+	/**
4453	+	* Checks for garbage retention when a dependent future is
4454	+	* cancelled and garbage-collected.
4455	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4456	+	*
4457	+	* As of 2016-07, fails with OOME:
4458	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4459	+	*/
4460	+	public void testCancelledGarbageRetention() throws Throwable {
4461	+	final int n = expensiveTests ? 100_000 : 10;
4462	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4463	+	for (int i = 0; i < n; i++)
4464	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4465	+	}
4466	+
4467	+	/**
4468	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4469	+	* is invoked many times.
4470	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4471	+	*
4472	+	* As of 2016-07, fails with OOME:
4473	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4474	+	*/
4475	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4476	+	final int n = expensiveTests ? 900_000 : 10;
4477	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4478	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4479	+	for (int i = 0; i < n; i++)
4480	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4481	+	}
4482	+
4483	+	//     static <U> U join(CompletionStage<U> stage) {
4484	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4485	+	//         stage.whenComplete((v, ex) -> {
4486	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4487	+	//         });
4488	+	//         return f.join();
4489	+	//     }
4490	+
4491	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4492	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4493	+	//         stage.whenComplete((v, ex) -> {
4494	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4495	+	//         });
4496	+	//         return f.isDone();
4497	+	//     }
4498	+
4499	+	//     static <U> U join2(CompletionStage<U> stage) {
4500	+	//         return stage.toCompletableFuture().copy().join();
4501	+	//     }
4502	+
4503	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4504	+	//         return stage.toCompletableFuture().copy().isDone();
4505	+	//     }
4506	+
4507		}

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