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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 1.154 by jsr166, Sun Jun 26 19:27:42 2016 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.TimeUnit;
36		import java.util.concurrent.atomic.AtomicInteger;
37	<	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;
37	>	import java.util.concurrent.atomic.AtomicReference;
38		import java.util.function.BiConsumer;
27	–	import java.util.function.Function;
39		import java.util.function.BiFunction;
40	+	import java.util.function.Consumer;
41	+	import java.util.function.Function;
42	+	import java.util.function.Predicate;
43	+	import java.util.function.Supplier;
44	+
45	+	import junit.framework.AssertionFailedError;
46	+	import junit.framework.Test;
47	+	import junit.framework.TestSuite;
48
49		public class CompletableFutureTest extends JSR166TestCase {
50
51		public static void main(String[] args) {
52	<	junit.textui.TestRunner.run(suite());
52	>	main(suite(), args);
53		}
54		public static Test suite() {
55		return new TestSuite(CompletableFutureTest.class);
#	Line 41 | Line 60 | public class CompletableFutureTest exten
60		void checkIncomplete(CompletableFuture<?> f) {
61		assertFalse(f.isDone());
62		assertFalse(f.isCancelled());
63	<	assertTrue(f.toString().contains("[Not completed]"));
63	>	assertTrue(f.toString().contains("Not completed"));
64		try {
65		assertNull(f.getNow(null));
66		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 54 | Line 73 | public class CompletableFutureTest exten
73		}
74
75		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
76	<	try {
77	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
59	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
76	>	checkTimedGet(f, value);
77	>
78		try {
79		assertEquals(value, f.join());
80		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 72 | Line 90 | public class CompletableFutureTest exten
90		assertTrue(f.toString().contains("[Completed normally]"));
91		}
92
93	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
94	<	try {
95	<	f.get(LONG_DELAY_MS, MILLISECONDS);
96	<	shouldThrow();
97	<	} catch (ExecutionException success) {
98	<	assertTrue(success.getCause() instanceof CFException);
99	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
100	<	try {
101	<	f.join();
102	<	shouldThrow();
103	<	} catch (CompletionException success) {
104	<	assertTrue(success.getCause() instanceof CFException);
105	<	}
106	<	try {
107	<	f.getNow(null);
108	<	shouldThrow();
109	<	} catch (CompletionException success) {
92	<	assertTrue(success.getCause() instanceof CFException);
93	>	/**
94	>	* Returns the "raw" internal exceptional completion of f,
95	>	* without any additional wrapping with CompletionException.
96	>	*/
97	>	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
98	>	// handle (and whenComplete) can distinguish between "direct"
99	>	// and "wrapped" exceptional completion
100	>	return f.handle((U u, Throwable t) -> t).join();
101	>	}
102	>
103	>	void checkCompletedExceptionally(CompletableFuture<?> f,
104	>	boolean wrapped,
105	>	Consumer<Throwable> checker) {
106	>	Throwable cause = exceptionalCompletion(f);
107	>	if (wrapped) {
108	>	assertTrue(cause instanceof CompletionException);
109	>	cause = cause.getCause();
110		}
111	<	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]"));
103	<	}
111	>	checker.accept(cause);
112
113	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
106	<	CFException ex) {
113	>	long startTime = System.nanoTime();
114		try {
115		f.get(LONG_DELAY_MS, MILLISECONDS);
116		shouldThrow();
117		} catch (ExecutionException success) {
118	<	assertSame(ex, success.getCause());
118	>	assertSame(cause, success.getCause());
119		} catch (Throwable fail) { threadUnexpectedException(fail); }
120	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
121	+
122		try {
123		f.join();
124		shouldThrow();
125		} catch (CompletionException success) {
126	<	assertSame(ex, success.getCause());
127	<	}
126	>	assertSame(cause, success.getCause());
127	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
128	>
129		try {
130		f.getNow(null);
131		shouldThrow();
132		} catch (CompletionException success) {
133	<	assertSame(ex, success.getCause());
134	<	}
133	>	assertSame(cause, success.getCause());
134	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
135	>
136		try {
137		f.get();
138		shouldThrow();
139		} catch (ExecutionException success) {
140	<	assertSame(ex, success.getCause());
140	>	assertSame(cause, success.getCause());
141		} catch (Throwable fail) { threadUnexpectedException(fail); }
142	<	assertTrue(f.isDone());
142	>
143		assertFalse(f.isCancelled());
144	+	assertTrue(f.isDone());
145	+	assertTrue(f.isCompletedExceptionally());
146		assertTrue(f.toString().contains("[Completed exceptionally]"));
147		}
148
149	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
150	+	checkCompletedExceptionally(f, true,
151	+	(t) -> assertTrue(t instanceof CFException));
152	+	}
153	+
154	+	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
155	+	checkCompletedExceptionally(f, true,
156	+	(t) -> assertTrue(t instanceof CancellationException));
157	+	}
158	+
159	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
160	+	checkCompletedExceptionally(f, false,
161	+	(t) -> assertTrue(t instanceof TimeoutException));
162	+	}
163	+
164	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
165	+	Throwable ex) {
166	+	checkCompletedExceptionally(f, true, (t) -> assertSame(t, ex));
167	+	}
168	+
169	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
170	+	checkCompletedExceptionally(f, false, (t) -> assertSame(t, ex));
171	+	}
172	+
173		void checkCancelled(CompletableFuture<?> f) {
174	+	long startTime = System.nanoTime();
175		try {
176		f.get(LONG_DELAY_MS, MILLISECONDS);
177		shouldThrow();
178		} catch (CancellationException success) {
179		} catch (Throwable fail) { threadUnexpectedException(fail); }
180	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
181	+
182		try {
183		f.join();
184		shouldThrow();
#	Line 152 | Line 192 | public class CompletableFutureTest exten
192		shouldThrow();
193		} catch (CancellationException success) {
194		} 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	–	}
195
196	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
197	<	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); }
196	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
197	>
198		assertTrue(f.isDone());
187	–	assertFalse(f.isCancelled());
199		assertTrue(f.isCompletedExceptionally());
200	+	assertTrue(f.isCancelled());
201		assertTrue(f.toString().contains("[Completed exceptionally]"));
202		}
203
#	Line 203 | Line 215 | public class CompletableFutureTest exten
215		* isCancelled, join, get, and getNow
216		*/
217		public void testComplete() {
218	+	for (Integer v1 : new Integer[] { 1, null })
219	+	{
220		CompletableFuture<Integer> f = new CompletableFuture<>();
221		checkIncomplete(f);
222	<	f.complete(one);
223	<	checkCompletedNormally(f, one);
224	<	}
222	>	assertTrue(f.complete(v1));
223	>	assertFalse(f.complete(v1));
224	>	checkCompletedNormally(f, v1);
225	>	}}
226
227		/**
228		* completeExceptionally completes exceptionally, as indicated by
#	Line 215 | Line 230 | public class CompletableFutureTest exten
230		*/
231		public void testCompleteExceptionally() {
232		CompletableFuture<Integer> f = new CompletableFuture<>();
233	+	CFException ex = new CFException();
234		checkIncomplete(f);
235	<	f.completeExceptionally(new CFException());
236	<	checkCompletedWithWrappedCFException(f);
235	>	f.completeExceptionally(ex);
236	>	checkCompletedExceptionally(f, ex);
237		}
238
239		/**
#	Line 225 | Line 241 | public class CompletableFutureTest exten
241		* methods isDone, isCancelled, join, get, and getNow
242		*/
243		public void testCancel() {
244	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
245	+	{
246		CompletableFuture<Integer> f = new CompletableFuture<>();
247		checkIncomplete(f);
248	<	assertTrue(f.cancel(true));
248	>	assertTrue(f.cancel(mayInterruptIfRunning));
249	>	assertTrue(f.cancel(mayInterruptIfRunning));
250	>	assertTrue(f.cancel(!mayInterruptIfRunning));
251		checkCancelled(f);
252	<	}
252	>	}}
253
254		/**
255		* obtrudeValue forces completion with given value
#	Line 237 | Line 257 | public class CompletableFutureTest exten
257		public void testObtrudeValue() {
258		CompletableFuture<Integer> f = new CompletableFuture<>();
259		checkIncomplete(f);
260	<	f.complete(one);
260	>	assertTrue(f.complete(one));
261		checkCompletedNormally(f, one);
262		f.obtrudeValue(three);
263		checkCompletedNormally(f, three);
#	Line 246 | Line 266 | public class CompletableFutureTest exten
266		f = new CompletableFuture<>();
267		f.obtrudeValue(three);
268		checkCompletedNormally(f, three);
269	+	f.obtrudeValue(null);
270	+	checkCompletedNormally(f, null);
271		f = new CompletableFuture<>();
272		f.completeExceptionally(new CFException());
273		f.obtrudeValue(four);
#	Line 256 | Line 278 | public class CompletableFutureTest exten
278		* obtrudeException forces completion with given exception
279		*/
280		public void testObtrudeException() {
281	<	CompletableFuture<Integer> f = new CompletableFuture<>();
282	<	checkIncomplete(f);
283	<	f.complete(one);
284	<	checkCompletedNormally(f, one);
285	<	f.obtrudeException(new CFException());
286	<	checkCompletedWithWrappedCFException(f);
281	>	for (Integer v1 : new Integer[] { 1, null })
282	>	{
283	>	CFException ex;
284	>	CompletableFuture<Integer> f;
285	>
286	>	f = new CompletableFuture<>();
287	>	assertTrue(f.complete(v1));
288	>	for (int i = 0; i < 2; i++) {
289	>	f.obtrudeException(ex = new CFException());
290	>	checkCompletedExceptionally(f, ex);
291	>	}
292	>
293		f = new CompletableFuture<>();
294	<	f.obtrudeException(new CFException());
295	<	checkCompletedWithWrappedCFException(f);
294	>	for (int i = 0; i < 2; i++) {
295	>	f.obtrudeException(ex = new CFException());
296	>	checkCompletedExceptionally(f, ex);
297	>	}
298	>
299		f = new CompletableFuture<>();
300	+	f.completeExceptionally(ex = new CFException());
301	+	f.obtrudeValue(v1);
302	+	checkCompletedNormally(f, v1);
303	+	f.obtrudeException(ex = new CFException());
304	+	checkCompletedExceptionally(f, ex);
305		f.completeExceptionally(new CFException());
306	<	f.obtrudeValue(four);
307	<	checkCompletedNormally(f, four);
308	<	f.obtrudeException(new CFException());
309	<	checkCompletedWithWrappedCFException(f);
274	<	}
306	>	checkCompletedExceptionally(f, ex);
307	>	assertFalse(f.complete(v1));
308	>	checkCompletedExceptionally(f, ex);
309	>	}}
310
311		/**
312		* getNumberOfDependents returns number of dependent tasks
313		*/
314		public void testGetNumberOfDependents() {
315	+	for (ExecutionMode m : ExecutionMode.values())
316	+	for (Integer v1 : new Integer[] { 1, null })
317	+	{
318		CompletableFuture<Integer> f = new CompletableFuture<>();
319	<	assertEquals(f.getNumberOfDependents(), 0);
320	<	CompletableFuture g = f.thenRun(new Noop());
321	<	assertEquals(f.getNumberOfDependents(), 1);
322	<	assertEquals(g.getNumberOfDependents(), 0);
323	<	CompletableFuture h = f.thenRun(new Noop());
324	<	assertEquals(f.getNumberOfDependents(), 2);
325	<	f.complete(1);
319	>	assertEquals(0, f.getNumberOfDependents());
320	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
321	>	assertEquals(1, f.getNumberOfDependents());
322	>	assertEquals(0, g.getNumberOfDependents());
323	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
324	>	assertEquals(2, f.getNumberOfDependents());
325	>	assertEquals(0, h.getNumberOfDependents());
326	>	assertTrue(f.complete(v1));
327		checkCompletedNormally(g, null);
328	<	assertEquals(f.getNumberOfDependents(), 0);
329	<	assertEquals(g.getNumberOfDependents(), 0);
330	<	}
328	>	checkCompletedNormally(h, null);
329	>	assertEquals(0, f.getNumberOfDependents());
330	>	assertEquals(0, g.getNumberOfDependents());
331	>	assertEquals(0, h.getNumberOfDependents());
332	>	}}
333
334		/**
335		* toString indicates current completion state
#	Line 299 | Line 340 | public class CompletableFutureTest exten
340		f = new CompletableFuture<String>();
341		assertTrue(f.toString().contains("[Not completed]"));
342
343	<	f.complete("foo");
343	>	assertTrue(f.complete("foo"));
344		assertTrue(f.toString().contains("[Completed normally]"));
345
346		f = new CompletableFuture<String>();
347	<	f.completeExceptionally(new IndexOutOfBoundsException());
347	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
348		assertTrue(f.toString().contains("[Completed exceptionally]"));
349	+
350	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
351	+	f = new CompletableFuture<String>();
352	+	assertTrue(f.cancel(mayInterruptIfRunning));
353	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
354	+	}
355		}
356
357		/**
#	Line 315 | Line 362 | public class CompletableFutureTest exten
362		checkCompletedNormally(f, "test");
363		}
364
365	<	// Choose non-commutative actions for better coverage
366	<
367	<	static final Supplier<Integer> supplyOne =
368	<	() -> Integer.valueOf(1);
369	<	static final Function<Integer, Integer> inc =
370	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
371	<	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();
365	>	abstract class CheckedAction {
366	>	int invocationCount = 0;
367	>	final ExecutionMode m;
368	>	CheckedAction(ExecutionMode m) { this.m = m; }
369	>	void invoked() {
370	>	m.checkExecutionMode();
371	>	assertEquals(0, invocationCount++);
372		}
373	<	}
374	<	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(); }
373	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
374	>	void assertInvoked() { assertEquals(1, invocationCount); }
375		}
376
377	<	static final class CompletableFutureInc
378	<	implements Function<Integer, CompletableFuture<Integer>> {
379	<	boolean ran;
380	<	public CompletableFuture<Integer> apply(Integer x) {
381	<	ran = true;
382	<	CompletableFuture<Integer> f = new CompletableFuture<>();
372	<	f.complete(Integer.valueOf(x.intValue() + 1));
373	<	return f;
377	>	abstract class CheckedIntegerAction extends CheckedAction {
378	>	Integer value;
379	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
380	>	void assertValue(Integer expected) {
381	>	assertInvoked();
382	>	assertEquals(expected, value);
383		}
384		}
385
386	<	static final class FailingCompletableFutureFunction
387	<	implements Function<Integer, CompletableFuture<Integer>> {
388	<	boolean ran;
389	<	public CompletableFuture<Integer> apply(Integer x) {
390	<	ran = true; throw new CFException();
386	>	class IntegerSupplier extends CheckedAction
387	>	implements Supplier<Integer>
388	>	{
389	>	final Integer value;
390	>	IntegerSupplier(ExecutionMode m, Integer value) {
391	>	super(m);
392	>	this.value = value;
393		}
394	<	}
395	<
396	<	// 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();
394	>	public Integer get() {
395	>	invoked();
396	>	return value;
397		}
398		}
399
400	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
401	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
400	>	// A function that handles and produces null values as well.
401	>	static Integer inc(Integer x) {
402	>	return (x == null) ? null : x + 1;
403		}
404
405	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
406	<	boolean ran;
407	<	public Integer apply(Integer x, Throwable t) {
408	<	ran = true;
409	<	return (t == null) ? two : three;
405	>	class NoopConsumer extends CheckedIntegerAction
406	>	implements Consumer<Integer>
407	>	{
408	>	NoopConsumer(ExecutionMode m) { super(m); }
409	>	public void accept(Integer x) {
410	>	invoked();
411	>	value = x;
412		}
413		}
414
415	<	/**
416	<	* exceptionally action completes with function value on source
417	<	* exception; otherwise with source value
418	<	*/
419	<	public void testExceptionally() {
420	<	CompletableFuture<Integer> f = new CompletableFuture<>();
421	<	ExceptionToInteger r = new ExceptionToInteger();
422	<	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);
615	<	}
616	<
617	<	/**
618	<	* thenApply result completes exceptionally after exceptional
619	<	* completion of source
620	<	*/
621	<	public void testThenApply2() {
622	<	CompletableFuture<Integer> f = new CompletableFuture<>();
623	<	CompletableFuture<Integer> g = f.thenApply(inc);
624	<	f.completeExceptionally(new CFException());
625	<	checkCompletedWithWrappedCFException(g);
415	>	class IncFunction extends CheckedIntegerAction
416	>	implements Function<Integer,Integer>
417	>	{
418	>	IncFunction(ExecutionMode m) { super(m); }
419	>	public Integer apply(Integer x) {
420	>	invoked();
421	>	return value = inc(x);
422	>	}
423		}
424
425	<	/**
426	<	* thenApply result completes exceptionally if action does
427	<	*/
428	<	public void testThenApply3() {
429	<	CompletableFuture<Integer> f = new CompletableFuture<>();
430	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
634	<	f.complete(one);
635	<	checkCompletedWithWrappedCFException(g);
425	>	// Choose non-commutative actions for better coverage
426	>	// A non-commutative function that handles and produces null values as well.
427	>	static Integer subtract(Integer x, Integer y) {
428	>	return (x == null && y == null) ? null :
429	>	((x == null) ? 42 : x.intValue())
430	>	- ((y == null) ? 99 : y.intValue());
431		}
432
433	<	/**
434	<	* thenApply result completes exceptionally if source cancelled
435	<	*/
436	<	public void testThenApply4() {
437	<	CompletableFuture<Integer> f = new CompletableFuture<>();
438	<	CompletableFuture<Integer> g = f.thenApply(inc);
439	<	assertTrue(f.cancel(true));
440	<	checkCompletedWithWrappedCancellationException(g);
433	>	class SubtractAction extends CheckedIntegerAction
434	>	implements BiConsumer<Integer, Integer>
435	>	{
436	>	SubtractAction(ExecutionMode m) { super(m); }
437	>	public void accept(Integer x, Integer y) {
438	>	invoked();
439	>	value = subtract(x, y);
440	>	}
441		}
442
443	<	/**
444	<	* thenAccept result completes normally after normal completion of source
445	<	*/
446	<	public void testThenAccept() {
447	<	CompletableFuture<Integer> f = new CompletableFuture<>();
448	<	IncAction r = new IncAction();
449	<	CompletableFuture<Void> g = f.thenAccept(r);
450	<	f.complete(one);
656	<	checkCompletedNormally(g, null);
657	<	assertEquals(r.value, 2);
443	>	class SubtractFunction extends CheckedIntegerAction
444	>	implements BiFunction<Integer, Integer, Integer>
445	>	{
446	>	SubtractFunction(ExecutionMode m) { super(m); }
447	>	public Integer apply(Integer x, Integer y) {
448	>	invoked();
449	>	return value = subtract(x, y);
450	>	}
451		}
452
453	<	/**
454	<	* thenAccept result completes exceptionally after exceptional
455	<	* completion of source
456	<	*/
457	<	public void testThenAccept2() {
665	<	CompletableFuture<Integer> f = new CompletableFuture<>();
666	<	IncAction r = new IncAction();
667	<	CompletableFuture<Void> g = f.thenAccept(r);
668	<	f.completeExceptionally(new CFException());
669	<	checkCompletedWithWrappedCFException(g);
453	>	class Noop extends CheckedAction implements Runnable {
454	>	Noop(ExecutionMode m) { super(m); }
455	>	public void run() {
456	>	invoked();
457	>	}
458		}
459
460	<	/**
461	<	* thenAccept result completes exceptionally if action does
462	<	*/
463	<	public void testThenAccept3() {
464	<	CompletableFuture<Integer> f = new CompletableFuture<>();
465	<	FailingConsumer r = new FailingConsumer();
466	<	CompletableFuture<Void> g = f.thenAccept(r);
467	<	f.complete(one);
468	<	checkCompletedWithWrappedCFException(g);
681	<	assertTrue(r.ran);
460	>	class FailingSupplier extends CheckedAction
461	>	implements Supplier<Integer>
462	>	{
463	>	final CFException ex;
464	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
465	>	public Integer get() {
466	>	invoked();
467	>	throw ex;
468	>	}
469		}
470
471	<	/**
472	<	* thenAccept result completes exceptionally if source cancelled
473	<	*/
474	<	public void testThenAccept4() {
475	<	CompletableFuture<Integer> f = new CompletableFuture<>();
476	<	IncAction r = new IncAction();
477	<	CompletableFuture<Void> g = f.thenAccept(r);
478	<	assertTrue(f.cancel(true));
479	<	checkCompletedWithWrappedCancellationException(g);
471	>	class FailingConsumer extends CheckedIntegerAction
472	>	implements Consumer<Integer>
473	>	{
474	>	final CFException ex;
475	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
476	>	public void accept(Integer x) {
477	>	invoked();
478	>	value = x;
479	>	throw ex;
480	>	}
481		}
482
483	<	/**
484	<	* thenCombine result completes normally after normal completion
485	<	* of sources
486	<	*/
487	<	public void testThenCombine() {
488	<	CompletableFuture<Integer> f, g, h;
489	<
490	<	f = new CompletableFuture<>();
491	<	g = new CompletableFuture<>();
492	<	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);
483	>	class FailingBiConsumer extends CheckedIntegerAction
484	>	implements BiConsumer<Integer, Integer>
485	>	{
486	>	final CFException ex;
487	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
488	>	public void accept(Integer x, Integer y) {
489	>	invoked();
490	>	value = subtract(x, y);
491	>	throw ex;
492	>	}
493		}
494
495	<	/**
496	<	* thenCombine result completes exceptionally after exceptional
497	<	* completion of either source
498	<	*/
499	<	public void testThenCombine2() {
500	<	CompletableFuture<Integer> f, g, h;
501	<
502	<	f = new CompletableFuture<>();
503	<	g = new CompletableFuture<>();
504	<	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);
495	>	class FailingFunction extends CheckedIntegerAction
496	>	implements Function<Integer, Integer>
497	>	{
498	>	final CFException ex;
499	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
500	>	public Integer apply(Integer x) {
501	>	invoked();
502	>	value = x;
503	>	throw ex;
504	>	}
505		}
506
507	<	/**
508	<	* thenCombine result completes exceptionally if action does
509	<	*/
510	<	public void testThenCombine3() {
511	<	CompletableFuture<Integer> f = new CompletableFuture<>();
512	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
513	<	FailingBiFunction r = new FailingBiFunction();
514	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
515	<	f.complete(one);
516	<	checkIncomplete(g);
774	<	assertFalse(r.ran);
775	<	f2.complete(two);
776	<	checkCompletedWithWrappedCFException(g);
777	<	assertTrue(r.ran);
507	>	class FailingBiFunction extends CheckedIntegerAction
508	>	implements BiFunction<Integer, Integer, Integer>
509	>	{
510	>	final CFException ex;
511	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
512	>	public Integer apply(Integer x, Integer y) {
513	>	invoked();
514	>	value = subtract(x, y);
515	>	throw ex;
516	>	}
517		}
518
519	<	/**
520	<	* thenCombine result completes exceptionally if either source cancelled
521	<	*/
522	<	public void testThenCombine4() {
523	<	CompletableFuture<Integer> f, g, h;
524	<
525	<	f = new CompletableFuture<>();
787	<	g = new CompletableFuture<>();
788	<	h = f.thenCombine(g, subtract);
789	<	assertTrue(f.cancel(true));
790	<	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);
519	>	class FailingRunnable extends CheckedAction implements Runnable {
520	>	final CFException ex;
521	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
522	>	public void run() {
523	>	invoked();
524	>	throw ex;
525	>	}
526		}
527
528	<	/**
529	<	* thenAcceptBoth result completes normally after normal
530	<	* completion of sources
531	<	*/
532	<	public void testThenAcceptBoth() {
533	<	CompletableFuture<Integer> f, g;
534	<	CompletableFuture<Void> h;
535	<	SubtractAction r;
536	<
537	<	f = new CompletableFuture<>();
538	<	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);
528	>	class CompletableFutureInc extends CheckedIntegerAction
529	>	implements Function<Integer, CompletableFuture<Integer>>
530	>	{
531	>	CompletableFutureInc(ExecutionMode m) { super(m); }
532	>	public CompletableFuture<Integer> apply(Integer x) {
533	>	invoked();
534	>	value = x;
535	>	CompletableFuture<Integer> f = new CompletableFuture<>();
536	>	assertTrue(f.complete(inc(x)));
537	>	return f;
538	>	}
539		}
540
541	<	/**
542	<	* thenAcceptBoth result completes exceptionally after exceptional
543	<	* completion of either source
544	<	*/
545	<	public void testThenAcceptBoth2() {
546	<	CompletableFuture<Integer> f, g;
547	<	CompletableFuture<Void> h;
548	<	SubtractAction r;
549	<
550	<	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);
541	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
542	>	implements Function<Integer, CompletableFuture<Integer>>
543	>	{
544	>	final CFException ex;
545	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
546	>	public CompletableFuture<Integer> apply(Integer x) {
547	>	invoked();
548	>	value = x;
549	>	throw ex;
550	>	}
551		}
552
553	<	/**
554	<	* thenAcceptBoth result completes exceptionally if action does
555	<	*/
556	<	public void testThenAcceptBoth3() {
557	<	CompletableFuture<Integer> f, g;
558	<	CompletableFuture<Void> h;
559	<	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);
553	>	// Used for explicit executor tests
554	>	static final class ThreadExecutor implements Executor {
555	>	final AtomicInteger count = new AtomicInteger(0);
556	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
557	>	static boolean startedCurrentThread() {
558	>	return Thread.currentThread().getThreadGroup() == tg;
559	>	}
560
561	<	f = new CompletableFuture<>();
562	<	g = new CompletableFuture<>();
563	<	f.complete(3);
564	<	g.complete(1);
906	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
907	<	checkCompletedWithWrappedCFException(h);
561	>	public void execute(Runnable r) {
562	>	count.getAndIncrement();
563	>	new Thread(tg, r).start();
564	>	}
565		}
566
567	<	/**
568	<	* 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	<	}
567	>	static final boolean defaultExecutorIsCommonPool
568	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
569
570		/**
571		* Permits the testing of parallel code for the 3 different
572	<	* execution modes without repeating all the testing code.
572	>	* execution modes without copy/pasting all the test methods.
573		*/
574		enum ExecutionMode {
575	<	DEFAULT {
575	>	SYNC {
576	>	public void checkExecutionMode() {
577	>	assertFalse(ThreadExecutor.startedCurrentThread());
578	>	assertNull(ForkJoinTask.getPool());
579	>	}
580	>	public CompletableFuture<Void> runAsync(Runnable a) {
581	>	throw new UnsupportedOperationException();
582	>	}
583	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
584	>	throw new UnsupportedOperationException();
585	>	}
586	>	public <T> CompletableFuture<Void> thenRun
587	>	(CompletableFuture<T> f, Runnable a) {
588	>	return f.thenRun(a);
589	>	}
590	>	public <T> CompletableFuture<Void> thenAccept
591	>	(CompletableFuture<T> f, Consumer<? super T> a) {
592	>	return f.thenAccept(a);
593	>	}
594	>	public <T,U> CompletableFuture<U> thenApply
595	>	(CompletableFuture<T> f, Function<? super T,U> a) {
596	>	return f.thenApply(a);
597	>	}
598	>	public <T,U> CompletableFuture<U> thenCompose
599	>	(CompletableFuture<T> f,
600	>	Function<? super T,? extends CompletionStage<U>> a) {
601	>	return f.thenCompose(a);
602	>	}
603	>	public <T,U> CompletableFuture<U> handle
604	>	(CompletableFuture<T> f,
605	>	BiFunction<? super T,Throwable,? extends U> a) {
606	>	return f.handle(a);
607	>	}
608	>	public <T> CompletableFuture<T> whenComplete
609	>	(CompletableFuture<T> f,
610	>	BiConsumer<? super T,? super Throwable> a) {
611	>	return f.whenComplete(a);
612	>	}
613		public <T,U> CompletableFuture<Void> runAfterBoth
614	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
615	<	return f.runAfterBoth(g, r);
614	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
615	>	return f.runAfterBoth(g, a);
616	>	}
617	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
618	>	(CompletableFuture<T> f,
619	>	CompletionStage<? extends U> g,
620	>	BiConsumer<? super T,? super U> a) {
621	>	return f.thenAcceptBoth(g, a);
622	>	}
623	>	public <T,U,V> CompletableFuture<V> thenCombine
624	>	(CompletableFuture<T> f,
625	>	CompletionStage<? extends U> g,
626	>	BiFunction<? super T,? super U,? extends V> a) {
627	>	return f.thenCombine(g, a);
628	>	}
629	>	public <T> CompletableFuture<Void> runAfterEither
630	>	(CompletableFuture<T> f,
631	>	CompletionStage<?> g,
632	>	java.lang.Runnable a) {
633	>	return f.runAfterEither(g, a);
634	>	}
635	>	public <T> CompletableFuture<Void> acceptEither
636	>	(CompletableFuture<T> f,
637	>	CompletionStage<? extends T> g,
638	>	Consumer<? super T> a) {
639	>	return f.acceptEither(g, a);
640	>	}
641	>	public <T,U> CompletableFuture<U> applyToEither
642	>	(CompletableFuture<T> f,
643	>	CompletionStage<? extends T> g,
644	>	Function<? super T,U> a) {
645	>	return f.applyToEither(g, a);
646		}
647		},
648
649	<	DEFAULT_ASYNC {
649	>	ASYNC {
650	>	public void checkExecutionMode() {
651	>	assertEquals(defaultExecutorIsCommonPool,
652	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
653	>	}
654	>	public CompletableFuture<Void> runAsync(Runnable a) {
655	>	return CompletableFuture.runAsync(a);
656	>	}
657	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
658	>	return CompletableFuture.supplyAsync(a);
659	>	}
660	>	public <T> CompletableFuture<Void> thenRun
661	>	(CompletableFuture<T> f, Runnable a) {
662	>	return f.thenRunAsync(a);
663	>	}
664	>	public <T> CompletableFuture<Void> thenAccept
665	>	(CompletableFuture<T> f, Consumer<? super T> a) {
666	>	return f.thenAcceptAsync(a);
667	>	}
668	>	public <T,U> CompletableFuture<U> thenApply
669	>	(CompletableFuture<T> f, Function<? super T,U> a) {
670	>	return f.thenApplyAsync(a);
671	>	}
672	>	public <T,U> CompletableFuture<U> thenCompose
673	>	(CompletableFuture<T> f,
674	>	Function<? super T,? extends CompletionStage<U>> a) {
675	>	return f.thenComposeAsync(a);
676	>	}
677	>	public <T,U> CompletableFuture<U> handle
678	>	(CompletableFuture<T> f,
679	>	BiFunction<? super T,Throwable,? extends U> a) {
680	>	return f.handleAsync(a);
681	>	}
682	>	public <T> CompletableFuture<T> whenComplete
683	>	(CompletableFuture<T> f,
684	>	BiConsumer<? super T,? super Throwable> a) {
685	>	return f.whenCompleteAsync(a);
686	>	}
687		public <T,U> CompletableFuture<Void> runAfterBoth
688	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
689	<	return f.runAfterBothAsync(g, r);
688	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
689	>	return f.runAfterBothAsync(g, a);
690	>	}
691	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
692	>	(CompletableFuture<T> f,
693	>	CompletionStage<? extends U> g,
694	>	BiConsumer<? super T,? super U> a) {
695	>	return f.thenAcceptBothAsync(g, a);
696	>	}
697	>	public <T,U,V> CompletableFuture<V> thenCombine
698	>	(CompletableFuture<T> f,
699	>	CompletionStage<? extends U> g,
700	>	BiFunction<? super T,? super U,? extends V> a) {
701	>	return f.thenCombineAsync(g, a);
702	>	}
703	>	public <T> CompletableFuture<Void> runAfterEither
704	>	(CompletableFuture<T> f,
705	>	CompletionStage<?> g,
706	>	java.lang.Runnable a) {
707	>	return f.runAfterEitherAsync(g, a);
708	>	}
709	>	public <T> CompletableFuture<Void> acceptEither
710	>	(CompletableFuture<T> f,
711	>	CompletionStage<? extends T> g,
712	>	Consumer<? super T> a) {
713	>	return f.acceptEitherAsync(g, a);
714	>	}
715	>	public <T,U> CompletableFuture<U> applyToEither
716	>	(CompletableFuture<T> f,
717	>	CompletionStage<? extends T> g,
718	>	Function<? super T,U> a) {
719	>	return f.applyToEitherAsync(g, a);
720		}
721		},
722
723		EXECUTOR {
724	+	public void checkExecutionMode() {
725	+	assertTrue(ThreadExecutor.startedCurrentThread());
726	+	}
727	+	public CompletableFuture<Void> runAsync(Runnable a) {
728	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
729	+	}
730	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
731	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
732	+	}
733	+	public <T> CompletableFuture<Void> thenRun
734	+	(CompletableFuture<T> f, Runnable a) {
735	+	return f.thenRunAsync(a, new ThreadExecutor());
736	+	}
737	+	public <T> CompletableFuture<Void> thenAccept
738	+	(CompletableFuture<T> f, Consumer<? super T> a) {
739	+	return f.thenAcceptAsync(a, new ThreadExecutor());
740	+	}
741	+	public <T,U> CompletableFuture<U> thenApply
742	+	(CompletableFuture<T> f, Function<? super T,U> a) {
743	+	return f.thenApplyAsync(a, new ThreadExecutor());
744	+	}
745	+	public <T,U> CompletableFuture<U> thenCompose
746	+	(CompletableFuture<T> f,
747	+	Function<? super T,? extends CompletionStage<U>> a) {
748	+	return f.thenComposeAsync(a, new ThreadExecutor());
749	+	}
750	+	public <T,U> CompletableFuture<U> handle
751	+	(CompletableFuture<T> f,
752	+	BiFunction<? super T,Throwable,? extends U> a) {
753	+	return f.handleAsync(a, new ThreadExecutor());
754	+	}
755	+	public <T> CompletableFuture<T> whenComplete
756	+	(CompletableFuture<T> f,
757	+	BiConsumer<? super T,? super Throwable> a) {
758	+	return f.whenCompleteAsync(a, new ThreadExecutor());
759	+	}
760		public <T,U> CompletableFuture<Void> runAfterBoth
761	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
762	<	return f.runAfterBothAsync(g, r, new ThreadExecutor());
761	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
762	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
763	>	}
764	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
765	>	(CompletableFuture<T> f,
766	>	CompletionStage<? extends U> g,
767	>	BiConsumer<? super T,? super U> a) {
768	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
769	>	}
770	>	public <T,U,V> CompletableFuture<V> thenCombine
771	>	(CompletableFuture<T> f,
772	>	CompletionStage<? extends U> g,
773	>	BiFunction<? super T,? super U,? extends V> a) {
774	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
775	>	}
776	>	public <T> CompletableFuture<Void> runAfterEither
777	>	(CompletableFuture<T> f,
778	>	CompletionStage<?> g,
779	>	java.lang.Runnable a) {
780	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
781	>	}
782	>	public <T> CompletableFuture<Void> acceptEither
783	>	(CompletableFuture<T> f,
784	>	CompletionStage<? extends T> g,
785	>	Consumer<? super T> a) {
786	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
787	>	}
788	>	public <T,U> CompletableFuture<U> applyToEither
789	>	(CompletableFuture<T> f,
790	>	CompletionStage<? extends T> g,
791	>	Function<? super T,U> a) {
792	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
793		}
794		};
795
796	+	public abstract void checkExecutionMode();
797	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
798	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
799	+	public abstract <T> CompletableFuture<Void> thenRun
800	+	(CompletableFuture<T> f, Runnable a);
801	+	public abstract <T> CompletableFuture<Void> thenAccept
802	+	(CompletableFuture<T> f, Consumer<? super T> a);
803	+	public abstract <T,U> CompletableFuture<U> thenApply
804	+	(CompletableFuture<T> f, Function<? super T,U> a);
805	+	public abstract <T,U> CompletableFuture<U> thenCompose
806	+	(CompletableFuture<T> f,
807	+	Function<? super T,? extends CompletionStage<U>> a);
808	+	public abstract <T,U> CompletableFuture<U> handle
809	+	(CompletableFuture<T> f,
810	+	BiFunction<? super T,Throwable,? extends U> a);
811	+	public abstract <T> CompletableFuture<T> whenComplete
812	+	(CompletableFuture<T> f,
813	+	BiConsumer<? super T,? super Throwable> a);
814		public abstract <T,U> CompletableFuture<Void> runAfterBoth
815	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r);
815	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
816	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
817	>	(CompletableFuture<T> f,
818	>	CompletionStage<? extends U> g,
819	>	BiConsumer<? super T,? super U> a);
820	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
821	>	(CompletableFuture<T> f,
822	>	CompletionStage<? extends U> g,
823	>	BiFunction<? super T,? super U,? extends V> a);
824	>	public abstract <T> CompletableFuture<Void> runAfterEither
825	>	(CompletableFuture<T> f,
826	>	CompletionStage<?> g,
827	>	java.lang.Runnable a);
828	>	public abstract <T> CompletableFuture<Void> acceptEither
829	>	(CompletableFuture<T> f,
830	>	CompletionStage<? extends T> g,
831	>	Consumer<? super T> a);
832	>	public abstract <T,U> CompletableFuture<U> applyToEither
833	>	(CompletableFuture<T> f,
834	>	CompletionStage<? extends T> g,
835	>	Function<? super T,U> a);
836		}
837
838		/**
839	<	* runAfterBoth result completes normally after normal
840	<	* completion of sources
839	>	* exceptionally action is not invoked when source completes
840	>	* normally, and source result is propagated
841		*/
842	<	public void testRunAfterBoth_normalCompletion1() {
843	<	for (ExecutionMode m : ExecutionMode.values())
842	>	public void testExceptionally_normalCompletion() {
843	>	for (boolean createIncomplete : new boolean[] { true, false })
844		for (Integer v1 : new Integer[] { 1, null })
845	<	for (Integer v2 : new Integer[] { 2, null }) {
846	<
845	>	{
846	>	final AtomicInteger a = new AtomicInteger(0);
847		final CompletableFuture<Integer> f = new CompletableFuture<>();
848	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
849	<	final Noop r = new Noop();
850	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
851	<
852	<	f.complete(v1);
853	<	checkIncomplete(h);
854	<	assertFalse(r.ran);
855	<	g.complete(v2);
848	>	if (!createIncomplete) assertTrue(f.complete(v1));
849	>	final CompletableFuture<Integer> g = f.exceptionally
850	>	((Throwable t) -> {
851	>	a.getAndIncrement();
852	>	threadFail("should not be called");
853	>	return null;            // unreached
854	>	});
855	>	if (createIncomplete) assertTrue(f.complete(v1));
856
857	<	checkCompletedNormally(h, null);
999	<	assertTrue(r.ran);
857	>	checkCompletedNormally(g, v1);
858		checkCompletedNormally(f, v1);
859	<	checkCompletedNormally(g, v2);
860	<	}
1003	<	}
859	>	assertEquals(0, a.get());
860	>	}}
861
862	<	public void testRunAfterBoth_normalCompletion2() {
863	<	for (ExecutionMode m : ExecutionMode.values())
862	>	/**
863	>	* exceptionally action completes with function value on source
864	>	* exception
865	>	*/
866	>	public void testExceptionally_exceptionalCompletion() {
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 CFException ex = new CFException();
872		final CompletableFuture<Integer> f = new CompletableFuture<>();
873	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
874	<	final Noop r = new Noop();
875	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
876	<
877	<	g.complete(v2);
878	<	checkIncomplete(h);
879	<	assertFalse(r.ran);
880	<	f.complete(v1);
881	<
1020	<	checkCompletedNormally(h, null);
1021	<	assertTrue(r.ran);
1022	<	checkCompletedNormally(f, v1);
1023	<	checkCompletedNormally(g, v2);
1024	<	}
1025	<	}
873	>	if (!createIncomplete) f.completeExceptionally(ex);
874	>	final CompletableFuture<Integer> g = f.exceptionally
875	>	((Throwable t) -> {
876	>	ExecutionMode.SYNC.checkExecutionMode();
877	>	threadAssertSame(t, ex);
878	>	a.getAndIncrement();
879	>	return v1;
880	>	});
881	>	if (createIncomplete) f.completeExceptionally(ex);
882
883	<	public void testRunAfterBoth_normalCompletion3() {
884	<	for (ExecutionMode m : ExecutionMode.values())
885	<	for (Integer v1 : new Integer[] { 1, null })
1030	<	for (Integer v2 : new Integer[] { 2, null }) {
883	>	checkCompletedNormally(g, v1);
884	>	assertEquals(1, a.get());
885	>	}}
886
887	+	/**
888	+	* If an "exceptionally action" throws an exception, it completes
889	+	* exceptionally with that exception
890	+	*/
891	+	public void testExceptionally_exceptionalCompletionActionFailed() {
892	+	for (boolean createIncomplete : new boolean[] { true, false })
893	+	{
894	+	final AtomicInteger a = new AtomicInteger(0);
895	+	final CFException ex1 = new CFException();
896	+	final CFException ex2 = new CFException();
897		final CompletableFuture<Integer> f = new CompletableFuture<>();
898	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
899	<	final Noop r = new Noop();
900	<
901	<	g.complete(v2);
902	<	f.complete(v1);
903	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
898	>	if (!createIncomplete) f.completeExceptionally(ex1);
899	>	final CompletableFuture<Integer> g = f.exceptionally
900	>	((Throwable t) -> {
901	>	ExecutionMode.SYNC.checkExecutionMode();
902	>	threadAssertSame(t, ex1);
903	>	a.getAndIncrement();
904	>	throw ex2;
905	>	});
906	>	if (createIncomplete) f.completeExceptionally(ex1);
907	>
908	>	checkCompletedWithWrappedException(g, ex2);
909	>	checkCompletedExceptionally(f, ex1);
910	>	assertEquals(1, a.get());
911	>	}}
912
913	<	checkCompletedNormally(h, null);
914	<	assertTrue(r.ran);
915	<	checkCompletedNormally(f, v1);
916	<	checkCompletedNormally(g, v2);
917	<	}
1045	<	}
1046	<
1047	<	public void testRunAfterBoth_normalCompletion4() {
913	>	/**
914	>	* whenComplete action executes on normal completion, propagating
915	>	* source result.
916	>	*/
917	>	public void testWhenComplete_normalCompletion() {
918		for (ExecutionMode m : ExecutionMode.values())
919	+	for (boolean createIncomplete : new boolean[] { true, false })
920		for (Integer v1 : new Integer[] { 1, null })
921	<	for (Integer v2 : new Integer[] { 2, null }) {
922	<
921	>	{
922	>	final AtomicInteger a = new AtomicInteger(0);
923		final CompletableFuture<Integer> f = new CompletableFuture<>();
924	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
925	<	final Noop r = new Noop();
924	>	if (!createIncomplete) assertTrue(f.complete(v1));
925	>	final CompletableFuture<Integer> g = m.whenComplete
926	>	(f,
927	>	(Integer result, Throwable t) -> {
928	>	m.checkExecutionMode();
929	>	threadAssertSame(result, v1);
930	>	threadAssertNull(t);
931	>	a.getAndIncrement();
932	>	});
933	>	if (createIncomplete) assertTrue(f.complete(v1));
934
935	<	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);
935	>	checkCompletedNormally(g, v1);
936		checkCompletedNormally(f, v1);
937	<	checkCompletedNormally(g, v2);
938	<	}
1065	<	}
937	>	assertEquals(1, a.get());
938	>	}}
939
940		/**
941	<	* runAfterBoth result completes exceptionally after exceptional
942	<	* completion of either source
941	>	* whenComplete action executes on exceptional completion, propagating
942	>	* source result.
943		*/
944	<	public void testRunAfterBoth_exceptionalCompletion1() {
944	>	public void testWhenComplete_exceptionalCompletion() {
945		for (ExecutionMode m : ExecutionMode.values())
946	<	for (Integer v1 : new Integer[] { 1, null }) {
947	<
948	<	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);
946	>	for (boolean createIncomplete : new boolean[] { true, false })
947	>	{
948	>	final AtomicInteger a = new AtomicInteger(0);
949		final CFException ex = new CFException();
950	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
951	+	if (!createIncomplete) f.completeExceptionally(ex);
952	+	final CompletableFuture<Integer> g = m.whenComplete
953	+	(f,
954	+	(Integer result, Throwable t) -> {
955	+	m.checkExecutionMode();
956	+	threadAssertNull(result);
957	+	threadAssertSame(t, ex);
958	+	a.getAndIncrement();
959	+	});
960	+	if (createIncomplete) f.completeExceptionally(ex);
961	+
962	+	checkCompletedWithWrappedException(g, ex);
963	+	checkCompletedExceptionally(f, ex);
964	+	assertEquals(1, a.get());
965	+	}}
966
967	<	f.completeExceptionally(ex);
968	<	checkIncomplete(h);
969	<	g.complete(v1);
970	<
971	<	checkCompletedWithWrappedCFException(h, ex);
1086	<	checkCompletedWithWrappedCFException(f, ex);
1087	<	assertFalse(r.ran);
1088	<	checkCompletedNormally(g, v1);
1089	<	}
1090	<	}
1091	<
1092	<	public void testRunAfterBoth_exceptionalCompletion2() {
967	>	/**
968	>	* whenComplete action executes on cancelled source, propagating
969	>	* CancellationException.
970	>	*/
971	>	public void testWhenComplete_sourceCancelled() {
972		for (ExecutionMode m : ExecutionMode.values())
973	<	for (Integer v1 : new Integer[] { 1, null }) {
974	<
973	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
974	>	for (boolean createIncomplete : new boolean[] { true, false })
975	>	{
976	>	final AtomicInteger a = new AtomicInteger(0);
977		final CompletableFuture<Integer> f = new CompletableFuture<>();
978	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
979	<	final Noop r = new Noop();
980	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
981	<	final CFException ex = new CFException();
982	<
983	<	g.completeExceptionally(ex);
984	<	checkIncomplete(h);
985	<	f.complete(v1);
978	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
979	>	final CompletableFuture<Integer> g = m.whenComplete
980	>	(f,
981	>	(Integer result, Throwable t) -> {
982	>	m.checkExecutionMode();
983	>	threadAssertNull(result);
984	>	threadAssertTrue(t instanceof CancellationException);
985	>	a.getAndIncrement();
986	>	});
987	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
988
989	<	checkCompletedWithWrappedCFException(h, ex);
990	<	checkCompletedWithWrappedCFException(g, ex);
991	<	assertFalse(r.ran);
992	<	checkCompletedNormally(f, v1);
1110	<	}
1111	<	}
989	>	checkCompletedWithWrappedCancellationException(g);
990	>	checkCancelled(f);
991	>	assertEquals(1, a.get());
992	>	}}
993
994	<	public void testRunAfterBoth_exceptionalCompletion3() {
994	>	/**
995	>	* If a whenComplete action throws an exception when triggered by
996	>	* a normal completion, it completes exceptionally
997	>	*/
998	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
999	>	for (boolean createIncomplete : new boolean[] { true, false })
1000		for (ExecutionMode m : ExecutionMode.values())
1001	<	for (Integer v1 : new Integer[] { 1, null }) {
1002	<
1003	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1118	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1119	<	final Noop r = new Noop();
1001	>	for (Integer v1 : new Integer[] { 1, null })
1002	>	{
1003	>	final AtomicInteger a = new AtomicInteger(0);
1004		final CFException ex = new CFException();
1005	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1006	+	if (!createIncomplete) assertTrue(f.complete(v1));
1007	+	final CompletableFuture<Integer> g = m.whenComplete
1008	+	(f,
1009	+	(Integer result, Throwable t) -> {
1010	+	m.checkExecutionMode();
1011	+	threadAssertSame(result, v1);
1012	+	threadAssertNull(t);
1013	+	a.getAndIncrement();
1014	+	throw ex;
1015	+	});
1016	+	if (createIncomplete) assertTrue(f.complete(v1));
1017
1018	<	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);
1018	>	checkCompletedWithWrappedException(g, ex);
1019		checkCompletedNormally(f, v1);
1020	<	}
1021	<	}
1020	>	assertEquals(1, a.get());
1021	>	}}
1022
1023	<	public void testRunAfterBoth_exceptionalCompletion4() {
1023	>	/**
1024	>	* If a whenComplete action throws an exception when triggered by
1025	>	* a source completion that also throws an exception, the source
1026	>	* exception takes precedence (unlike handle)
1027	>	*/
1028	>	public void testWhenComplete_sourceFailedActionFailed() {
1029	>	for (boolean createIncomplete : new boolean[] { true, false })
1030		for (ExecutionMode m : ExecutionMode.values())
1031	<	for (Integer v1 : new Integer[] { 1, null }) {
1032	<
1031	>	{
1032	>	final AtomicInteger a = new AtomicInteger(0);
1033	>	final CFException ex1 = new CFException();
1034	>	final CFException ex2 = new CFException();
1035		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();
1036
1037	<	f.completeExceptionally(ex);
1038	<	g.complete(v1);
1039	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1040	<
1041	<	checkCompletedWithWrappedCFException(h, ex);
1042	<	checkCompletedWithWrappedCFException(f, ex);
1043	<	assertFalse(r.ran);
1044	<	checkCompletedNormally(g, v1);
1037	>	if (!createIncomplete) f.completeExceptionally(ex1);
1038	>	final CompletableFuture<Integer> g = m.whenComplete
1039	>	(f,
1040	>	(Integer result, Throwable t) -> {
1041	>	m.checkExecutionMode();
1042	>	threadAssertSame(t, ex1);
1043	>	threadAssertNull(result);
1044	>	a.getAndIncrement();
1045	>	throw ex2;
1046	>	});
1047	>	if (createIncomplete) f.completeExceptionally(ex1);
1048	>
1049	>	checkCompletedWithWrappedException(g, ex1);
1050	>	checkCompletedExceptionally(f, ex1);
1051	>	if (testImplementationDetails) {
1052	>	assertEquals(1, ex1.getSuppressed().length);
1053	>	assertSame(ex2, ex1.getSuppressed()[0]);
1054		}
1055	<	}
1055	>	assertEquals(1, a.get());
1056	>	}}
1057
1058		/**
1059	<	* runAfterBoth result completes exceptionally if action does
1059	>	* handle action completes normally with function value on normal
1060	>	* completion of source
1061		*/
1062	<	public void testRunAfterBoth_actionFailed1() {
1062	>	public void testHandle_normalCompletion() {
1063		for (ExecutionMode m : ExecutionMode.values())
1064	+	for (boolean createIncomplete : new boolean[] { true, false })
1065		for (Integer v1 : new Integer[] { 1, null })
1066	<	for (Integer v2 : new Integer[] { 2, null }) {
1160	<
1066	>	{
1067		final CompletableFuture<Integer> f = new CompletableFuture<>();
1068	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1069	<	final FailingNoop r = new FailingNoop();
1070	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1071	<
1072	<	f.complete(v1);
1073	<	checkIncomplete(h);
1074	<	g.complete(v2);
1068	>	final AtomicInteger a = new AtomicInteger(0);
1069	>	if (!createIncomplete) assertTrue(f.complete(v1));
1070	>	final CompletableFuture<Integer> g = m.handle
1071	>	(f,
1072	>	(Integer result, Throwable t) -> {
1073	>	m.checkExecutionMode();
1074	>	threadAssertSame(result, v1);
1075	>	threadAssertNull(t);
1076	>	a.getAndIncrement();
1077	>	return inc(v1);
1078	>	});
1079	>	if (createIncomplete) assertTrue(f.complete(v1));
1080
1081	<	checkCompletedWithWrappedCFException(h);
1081	>	checkCompletedNormally(g, inc(v1));
1082		checkCompletedNormally(f, v1);
1083	<	checkCompletedNormally(g, v2);
1084	<	}
1174	<	}
1083	>	assertEquals(1, a.get());
1084	>	}}
1085
1086	<	public void testRunAfterBoth_actionFailed2() {
1086	>	/**
1087	>	* handle action completes normally with function value on
1088	>	* exceptional completion of source
1089	>	*/
1090	>	public void testHandle_exceptionalCompletion() {
1091		for (ExecutionMode m : ExecutionMode.values())
1092	+	for (boolean createIncomplete : new boolean[] { true, false })
1093		for (Integer v1 : new Integer[] { 1, null })
1094	<	for (Integer v2 : new Integer[] { 2, null }) {
1180	<
1094	>	{
1095		final CompletableFuture<Integer> f = new CompletableFuture<>();
1096	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1097	<	final FailingNoop r = new FailingNoop();
1098	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1099	<
1100	<	g.complete(v2);
1101	<	checkIncomplete(h);
1102	<	f.complete(v1);
1096	>	final AtomicInteger a = new AtomicInteger(0);
1097	>	final CFException ex = new CFException();
1098	>	if (!createIncomplete) f.completeExceptionally(ex);
1099	>	final CompletableFuture<Integer> g = m.handle
1100	>	(f,
1101	>	(Integer result, Throwable t) -> {
1102	>	m.checkExecutionMode();
1103	>	threadAssertNull(result);
1104	>	threadAssertSame(t, ex);
1105	>	a.getAndIncrement();
1106	>	return v1;
1107	>	});
1108	>	if (createIncomplete) f.completeExceptionally(ex);
1109
1110	<	checkCompletedWithWrappedCFException(h);
1111	<	checkCompletedNormally(f, v1);
1112	<	checkCompletedNormally(g, v2);
1113	<	}
1194	<	}
1110	>	checkCompletedNormally(g, v1);
1111	>	checkCompletedExceptionally(f, ex);
1112	>	assertEquals(1, a.get());
1113	>	}}
1114
1115		/**
1116	<	* runAfterBoth result completes exceptionally if either source cancelled
1116	>	* handle action completes normally with function value on
1117	>	* cancelled source
1118		*/
1119	<	public void testRunAfterBoth_sourceCancelled1() {
1119	>	public void testHandle_sourceCancelled() {
1120		for (ExecutionMode m : ExecutionMode.values())
1121		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1122	<	for (Integer v1 : new Integer[] { 1, null }) {
1123	<
1122	>	for (boolean createIncomplete : new boolean[] { true, false })
1123	>	for (Integer v1 : new Integer[] { 1, null })
1124	>	{
1125		final CompletableFuture<Integer> f = new CompletableFuture<>();
1126	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1127	<	final Noop r = new Noop();
1128	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1126	>	final AtomicInteger a = new AtomicInteger(0);
1127	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1128	>	final CompletableFuture<Integer> g = m.handle
1129	>	(f,
1130	>	(Integer result, Throwable t) -> {
1131	>	m.checkExecutionMode();
1132	>	threadAssertNull(result);
1133	>	threadAssertTrue(t instanceof CancellationException);
1134	>	a.getAndIncrement();
1135	>	return v1;
1136	>	});
1137	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1138
1209	–	assertTrue(f.cancel(mayInterruptIfRunning));
1210	–	checkIncomplete(h);
1211	–	g.complete(v1);
1212	–
1213	–	checkCompletedWithWrappedCancellationException(h);
1214	–	checkCancelled(f);
1215	–	assertFalse(r.ran);
1139		checkCompletedNormally(g, v1);
1217	–	}
1218	–	}
1219	–
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	–	}
1240	–
1241	–	public void testRunAfterBoth_sourceCancelled3() {
1242	–	for (ExecutionMode m : ExecutionMode.values())
1243	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1244	–	for (Integer v1 : new Integer[] { 1, null }) {
1245	–
1246	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1247	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1248	–	final Noop r = new Noop();
1249	–
1250	–	assertTrue(g.cancel(mayInterruptIfRunning));
1251	–	f.complete(v1);
1252	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1253	–
1254	–	checkCompletedWithWrappedCancellationException(h);
1255	–	checkCancelled(g);
1256	–	assertFalse(r.ran);
1257	–	checkCompletedNormally(f, v1);
1258	–	}
1259	–	}
1260	–
1261	–	public void testRunAfterBoth_sourceCancelled4() {
1262	–	for (ExecutionMode m : ExecutionMode.values())
1263	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1264	–	for (Integer v1 : new Integer[] { 1, null }) {
1265	–
1266	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1267	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1268	–	final Noop r = new Noop();
1269	–
1270	–	assertTrue(f.cancel(mayInterruptIfRunning));
1271	–	g.complete(v1);
1272	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1273	–
1274	–	checkCompletedWithWrappedCancellationException(h);
1140		checkCancelled(f);
1141	<	assertFalse(r.ran);
1142	<	checkCompletedNormally(g, v1);
1278	<	}
1279	<	}
1141	>	assertEquals(1, a.get());
1142	>	}}
1143
1144		/**
1145	<	* applyToEither result completes normally after normal completion
1146	<	* of either source
1145	>	* If a "handle action" throws an exception when triggered by
1146	>	* a normal completion, it completes exceptionally
1147		*/
1148	<	public void testApplyToEither() {
1149	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1150	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1151	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1152	<	f.complete(one);
1153	<	checkCompletedNormally(g, two);
1154	<	f2.complete(one);
1155	<	checkCompletedNormally(g, two);
1148	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1149	>	for (ExecutionMode m : ExecutionMode.values())
1150	>	for (boolean createIncomplete : new boolean[] { true, false })
1151	>	for (Integer v1 : new Integer[] { 1, null })
1152	>	{
1153	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1154	>	final AtomicInteger a = new AtomicInteger(0);
1155	>	final CFException ex = new CFException();
1156	>	if (!createIncomplete) assertTrue(f.complete(v1));
1157	>	final CompletableFuture<Integer> g = m.handle
1158	>	(f,
1159	>	(Integer result, Throwable t) -> {
1160	>	m.checkExecutionMode();
1161	>	threadAssertSame(result, v1);
1162	>	threadAssertNull(t);
1163	>	a.getAndIncrement();
1164	>	throw ex;
1165	>	});
1166	>	if (createIncomplete) assertTrue(f.complete(v1));
1167
1168	<	f = new CompletableFuture<>();
1169	<	f.complete(one);
1170	<	f2 = new CompletableFuture<>();
1171	<	g = f.applyToEither(f2, inc);
1298	<	checkCompletedNormally(g, two);
1299	<	}
1168	>	checkCompletedWithWrappedException(g, ex);
1169	>	checkCompletedNormally(f, v1);
1170	>	assertEquals(1, a.get());
1171	>	}}
1172
1173		/**
1174	<	* applyToEither result completes exceptionally after exceptional
1175	<	* completion of either source
1174	>	* If a "handle action" throws an exception when triggered by
1175	>	* a source completion that also throws an exception, the action
1176	>	* exception takes precedence (unlike whenComplete)
1177		*/
1178	<	public void testApplyToEither2() {
1179	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1180	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1181	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1182	<	f.completeExceptionally(new CFException());
1183	<	f2.complete(one);
1184	<	checkCompletedWithWrappedCFException(g);
1178	>	public void testHandle_sourceFailedActionFailed() {
1179	>	for (boolean createIncomplete : new boolean[] { true, false })
1180	>	for (ExecutionMode m : ExecutionMode.values())
1181	>	{
1182	>	final AtomicInteger a = new AtomicInteger(0);
1183	>	final CFException ex1 = new CFException();
1184	>	final CFException ex2 = new CFException();
1185	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1186
1187	<	f = new CompletableFuture<>();
1188	<	f2 = new CompletableFuture<>();
1189	<	f2.completeExceptionally(new CFException());
1190	<	g = f.applyToEither(f2, inc);
1191	<	checkCompletedWithWrappedCFException(g);
1192	<	}
1187	>	if (!createIncomplete) f.completeExceptionally(ex1);
1188	>	final CompletableFuture<Integer> g = m.handle
1189	>	(f,
1190	>	(Integer result, Throwable t) -> {
1191	>	m.checkExecutionMode();
1192	>	threadAssertNull(result);
1193	>	threadAssertSame(ex1, t);
1194	>	a.getAndIncrement();
1195	>	throw ex2;
1196	>	});
1197	>	if (createIncomplete) f.completeExceptionally(ex1);
1198	>
1199	>	checkCompletedWithWrappedException(g, ex2);
1200	>	checkCompletedExceptionally(f, ex1);
1201	>	assertEquals(1, a.get());
1202	>	}}
1203
1204		/**
1205	<	* applyToEither result completes exceptionally if action does
1205	>	* runAsync completes after running Runnable
1206		*/
1207	<	public void testApplyToEither3() {
1208	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1209	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1210	<	FailingFunction r = new FailingFunction();
1211	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
1212	<	f2.complete(two);
1213	<	checkCompletedWithWrappedCFException(g);
1214	<	}
1207	>	public void testRunAsync_normalCompletion() {
1208	>	ExecutionMode[] executionModes = {
1209	>	ExecutionMode.ASYNC,
1210	>	ExecutionMode.EXECUTOR,
1211	>	};
1212	>	for (ExecutionMode m : executionModes)
1213	>	{
1214	>	final Noop r = new Noop(m);
1215	>	final CompletableFuture<Void> f = m.runAsync(r);
1216	>	assertNull(f.join());
1217	>	checkCompletedNormally(f, null);
1218	>	r.assertInvoked();
1219	>	}}
1220
1221		/**
1222	<	* applyToEither result completes exceptionally if either source cancelled
1222	>	* failing runAsync completes exceptionally after running Runnable
1223		*/
1224	<	public void testApplyToEither4() {
1225	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1226	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1227	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1228	<	assertTrue(f.cancel(true));
1229	<	checkCompletedWithWrappedCancellationException(g);
1230	<	f = new CompletableFuture<>();
1231	<	f2 = new CompletableFuture<>();
1232	<	assertTrue(f2.cancel(true));
1233	<	checkCompletedWithWrappedCancellationException(g);
1234	<	}
1224	>	public void testRunAsync_exceptionalCompletion() {
1225	>	ExecutionMode[] executionModes = {
1226	>	ExecutionMode.ASYNC,
1227	>	ExecutionMode.EXECUTOR,
1228	>	};
1229	>	for (ExecutionMode m : executionModes)
1230	>	{
1231	>	final FailingRunnable r = new FailingRunnable(m);
1232	>	final CompletableFuture<Void> f = m.runAsync(r);
1233	>	checkCompletedWithWrappedException(f, r.ex);
1234	>	r.assertInvoked();
1235	>	}}
1236
1237		/**
1238	<	* acceptEither result completes normally after normal completion
1349	<	* of either source
1238	>	* supplyAsync completes with result of supplier
1239		*/
1240	<	public void testAcceptEither() {
1241	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1242	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1243	<	IncAction r = new IncAction();
1244	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1245	<	f.complete(one);
1246	<	checkCompletedNormally(g, null);
1247	<	f2.complete(one);
1248	<	checkCompletedNormally(g, null);
1249	<	assertEquals(r.value, 2);
1250	<
1251	<	r = new IncAction();
1252	<	f = new CompletableFuture<>();
1253	<	f.complete(one);
1365	<	f2 = new CompletableFuture<>();
1366	<	g = f.acceptEither(f2, r);
1367	<	checkCompletedNormally(g, null);
1368	<	assertEquals(r.value, 2);
1369	<	}
1240	>	public void testSupplyAsync_normalCompletion() {
1241	>	ExecutionMode[] executionModes = {
1242	>	ExecutionMode.ASYNC,
1243	>	ExecutionMode.EXECUTOR,
1244	>	};
1245	>	for (ExecutionMode m : executionModes)
1246	>	for (Integer v1 : new Integer[] { 1, null })
1247	>	{
1248	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1249	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1250	>	assertSame(v1, f.join());
1251	>	checkCompletedNormally(f, v1);
1252	>	r.assertInvoked();
1253	>	}}
1254
1255		/**
1256	<	* acceptEither result completes exceptionally after exceptional
1373	<	* completion of either source
1256	>	* Failing supplyAsync completes exceptionally
1257		*/
1258	<	public void testAcceptEither2() {
1259	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1260	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1261	<	IncAction r = new IncAction();
1262	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1263	<	f.completeExceptionally(new CFException());
1264	<	f2.complete(one);
1265	<	checkCompletedWithWrappedCFException(g);
1258	>	public void testSupplyAsync_exceptionalCompletion() {
1259	>	ExecutionMode[] executionModes = {
1260	>	ExecutionMode.ASYNC,
1261	>	ExecutionMode.EXECUTOR,
1262	>	};
1263	>	for (ExecutionMode m : executionModes)
1264	>	{
1265	>	FailingSupplier r = new FailingSupplier(m);
1266	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1267	>	checkCompletedWithWrappedException(f, r.ex);
1268	>	r.assertInvoked();
1269	>	}}
1270
1271	<	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	<	}
1271	>	// seq completion methods
1272
1273		/**
1274	<	* acceptEither result completes exceptionally if action does
1274	>	* thenRun result completes normally after normal completion of source
1275		*/
1276	<	public void testAcceptEither3() {
1277	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1278	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1279	<	FailingConsumer r = new FailingConsumer();
1280	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1281	<	f2.complete(two);
1282	<	checkCompletedWithWrappedCFException(g);
1402	<	}
1276	>	public void testThenRun_normalCompletion() {
1277	>	for (ExecutionMode m : ExecutionMode.values())
1278	>	for (Integer v1 : new Integer[] { 1, null })
1279	>	{
1280	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1281	>	final Noop[] rs = new Noop[6];
1282	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1283
1284	<	/**
1285	<	* acceptEither result completes exceptionally if either source cancelled
1286	<	*/
1287	<	public void testAcceptEither4() {
1288	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1289	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1290	<	IncAction r = new IncAction();
1291	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1292	<	assertTrue(f.cancel(true));
1293	<	checkCompletedWithWrappedCancellationException(g);
1294	<	f = new CompletableFuture<>();
1295	<	f2 = new CompletableFuture<>();
1296	<	assertTrue(f2.cancel(true));
1297	<	checkCompletedWithWrappedCancellationException(g);
1298	<	}
1284	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1285	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1286	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1287	>	checkIncomplete(h0);
1288	>	checkIncomplete(h1);
1289	>	checkIncomplete(h2);
1290	>	assertTrue(f.complete(v1));
1291	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1292	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1293	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1294	>
1295	>	checkCompletedNormally(h0, null);
1296	>	checkCompletedNormally(h1, null);
1297	>	checkCompletedNormally(h2, null);
1298	>	checkCompletedNormally(h3, null);
1299	>	checkCompletedNormally(h4, null);
1300	>	checkCompletedNormally(h5, null);
1301	>	checkCompletedNormally(f, v1);
1302	>	for (Noop r : rs) r.assertInvoked();
1303	>	}}
1304
1305		/**
1306	<	* runAfterEither result completes normally after normal completion
1307	<	* of either source
1306	>	* thenRun result completes exceptionally after exceptional
1307	>	* completion of source
1308		*/
1309	<	public void testRunAfterEither() {
1310	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1311	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1312	<	Noop r = new Noop();
1313	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1314	<	f.complete(one);
1315	<	checkCompletedNormally(g, null);
1431	<	f2.complete(one);
1432	<	checkCompletedNormally(g, null);
1433	<	assertTrue(r.ran);
1309	>	public void testThenRun_exceptionalCompletion() {
1310	>	for (ExecutionMode m : ExecutionMode.values())
1311	>	{
1312	>	final CFException ex = new CFException();
1313	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1314	>	final Noop[] rs = new Noop[6];
1315	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1316
1317	<	r = new Noop();
1318	<	f = new CompletableFuture<>();
1319	<	f.complete(one);
1320	<	f2 = new CompletableFuture<>();
1321	<	g = f.runAfterEither(f2, r);
1322	<	checkCompletedNormally(g, null);
1323	<	assertTrue(r.ran);
1324	<	}
1317	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1318	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1319	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1320	>	checkIncomplete(h0);
1321	>	checkIncomplete(h1);
1322	>	checkIncomplete(h2);
1323	>	assertTrue(f.completeExceptionally(ex));
1324	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1325	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1326	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1327	>
1328	>	checkCompletedWithWrappedException(h0, ex);
1329	>	checkCompletedWithWrappedException(h1, ex);
1330	>	checkCompletedWithWrappedException(h2, ex);
1331	>	checkCompletedWithWrappedException(h3, ex);
1332	>	checkCompletedWithWrappedException(h4, ex);
1333	>	checkCompletedWithWrappedException(h5, ex);
1334	>	checkCompletedExceptionally(f, ex);
1335	>	for (Noop r : rs) r.assertNotInvoked();
1336	>	}}
1337
1338		/**
1339	<	* runAfterEither result completes exceptionally after exceptional
1446	<	* completion of either source
1339	>	* thenRun result completes exceptionally if source cancelled
1340		*/
1341	<	public void testRunAfterEither2() {
1342	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1343	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1344	<	Noop r = new Noop();
1345	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1346	<	f.completeExceptionally(new CFException());
1347	<	f2.complete(one);
1455	<	checkCompletedWithWrappedCFException(g);
1341	>	public void testThenRun_sourceCancelled() {
1342	>	for (ExecutionMode m : ExecutionMode.values())
1343	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1344	>	{
1345	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1346	>	final Noop[] rs = new Noop[6];
1347	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1348
1349	<	r = new Noop();
1350	<	f = new CompletableFuture<>();
1351	<	f2 = new CompletableFuture<>();
1352	<	f2.completeExceptionally(new CFException());
1353	<	g = f.runAfterEither(f2, r);
1354	<	checkCompletedWithWrappedCFException(g);
1355	<	}
1349	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1350	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1351	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1352	>	checkIncomplete(h0);
1353	>	checkIncomplete(h1);
1354	>	checkIncomplete(h2);
1355	>	assertTrue(f.cancel(mayInterruptIfRunning));
1356	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1357	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1358	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1359	>
1360	>	checkCompletedWithWrappedCancellationException(h0);
1361	>	checkCompletedWithWrappedCancellationException(h1);
1362	>	checkCompletedWithWrappedCancellationException(h2);
1363	>	checkCompletedWithWrappedCancellationException(h3);
1364	>	checkCompletedWithWrappedCancellationException(h4);
1365	>	checkCompletedWithWrappedCancellationException(h5);
1366	>	checkCancelled(f);
1367	>	for (Noop r : rs) r.assertNotInvoked();
1368	>	}}
1369
1370		/**
1371	<	* runAfterEither result completes exceptionally if action does
1371	>	* thenRun result completes exceptionally if action does
1372		*/
1373	<	public void testRunAfterEither3() {
1374	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1375	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1376	<	FailingNoop r = new FailingNoop();
1377	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1378	<	f2.complete(two);
1379	<	checkCompletedWithWrappedCFException(g);
1475	<	}
1373	>	public void testThenRun_actionFailed() {
1374	>	for (ExecutionMode m : ExecutionMode.values())
1375	>	for (Integer v1 : new Integer[] { 1, null })
1376	>	{
1377	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1378	>	final FailingRunnable[] rs = new FailingRunnable[6];
1379	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1380
1381	<	/**
1382	<	* runAfterEither result completes exceptionally if either source cancelled
1383	<	*/
1384	<	public void testRunAfterEither4() {
1385	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1386	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1387	<	Noop r = new Noop();
1388	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1389	<	assertTrue(f.cancel(true));
1390	<	checkCompletedWithWrappedCancellationException(g);
1391	<	f = new CompletableFuture<>();
1392	<	f2 = new CompletableFuture<>();
1393	<	assertTrue(f2.cancel(true));
1394	<	checkCompletedWithWrappedCancellationException(g);
1395	<	}
1381	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1382	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1383	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1384	>	assertTrue(f.complete(v1));
1385	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1386	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1387	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1388	>
1389	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1390	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1391	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1392	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1393	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1394	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1395	>	checkCompletedNormally(f, v1);
1396	>	}}
1397
1398		/**
1399	<	* thenCompose result completes normally after normal completion of source
1399	>	* thenApply result completes normally after normal completion of source
1400		*/
1401	<	public void testThenCompose() {
1402	<	CompletableFuture<Integer> f, g;
1403	<	CompletableFutureInc r;
1404	<
1405	<	f = new CompletableFuture<>();
1406	<	g = f.thenCompose(r = new CompletableFutureInc());
1407	<	f.complete(one);
1503	<	checkCompletedNormally(g, two);
1504	<	assertTrue(r.ran);
1401	>	public void testThenApply_normalCompletion() {
1402	>	for (ExecutionMode m : ExecutionMode.values())
1403	>	for (Integer v1 : new Integer[] { 1, null })
1404	>	{
1405	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1406	>	final IncFunction[] rs = new IncFunction[4];
1407	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1408
1409	<	f = new CompletableFuture<>();
1410	<	f.complete(one);
1411	<	g = f.thenCompose(r = new CompletableFutureInc());
1412	<	checkCompletedNormally(g, two);
1413	<	assertTrue(r.ran);
1414	<	}
1409	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1410	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1411	>	checkIncomplete(h0);
1412	>	checkIncomplete(h1);
1413	>	assertTrue(f.complete(v1));
1414	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1415	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1416	>
1417	>	checkCompletedNormally(h0, inc(v1));
1418	>	checkCompletedNormally(h1, inc(v1));
1419	>	checkCompletedNormally(h2, inc(v1));
1420	>	checkCompletedNormally(h3, inc(v1));
1421	>	checkCompletedNormally(f, v1);
1422	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1423	>	}}
1424
1425		/**
1426	<	* thenCompose result completes exceptionally after exceptional
1426	>	* thenApply result completes exceptionally after exceptional
1427		* completion of source
1428		*/
1429	<	public void testThenCompose2() {
1430	<	CompletableFuture<Integer> f, g;
1431	<	CompletableFutureInc r;
1432	<
1433	<	f = new CompletableFuture<>();
1434	<	g = f.thenCompose(r = new CompletableFutureInc());
1435	<	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);
1429	>	public void testThenApply_exceptionalCompletion() {
1430	>	for (ExecutionMode m : ExecutionMode.values())
1431	>	{
1432	>	final CFException ex = new CFException();
1433	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1434	>	final IncFunction[] rs = new IncFunction[4];
1435	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1436
1437	<	f = new CompletableFuture<>();
1438	<	f.complete(one);
1439	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1440	<	checkCompletedWithWrappedCFException(g);
1441	<	}
1437	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1438	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1439	>	assertTrue(f.completeExceptionally(ex));
1440	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1441	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1442	>
1443	>	checkCompletedWithWrappedException(h0, ex);
1444	>	checkCompletedWithWrappedException(h1, ex);
1445	>	checkCompletedWithWrappedException(h2, ex);
1446	>	checkCompletedWithWrappedException(h3, ex);
1447	>	checkCompletedExceptionally(f, ex);
1448	>	for (IncFunction r : rs) r.assertNotInvoked();
1449	>	}}
1450
1451		/**
1452	<	* thenCompose result completes exceptionally if source cancelled
1452	>	* thenApply result completes exceptionally if source cancelled
1453		*/
1454	<	public void testThenCompose4() {
1455	<	CompletableFuture<Integer> f, g;
1456	<	CompletableFutureInc r;
1457	<
1458	<	f = new CompletableFuture<>();
1459	<	g = f.thenCompose(r = new CompletableFutureInc());
1460	<	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
1454	>	public void testThenApply_sourceCancelled() {
1455	>	for (ExecutionMode m : ExecutionMode.values())
1456	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1457	>	{
1458	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1459	>	final IncFunction[] rs = new IncFunction[4];
1460	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1461
1462	<	/**
1463	<	* thenRunAsync result completes normally after normal completion of source
1464	<	*/
1465	<	public void testThenRunAsync() {
1466	<	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);
1462	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1463	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1464	>	assertTrue(f.cancel(mayInterruptIfRunning));
1465	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1466	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1467
1468	<	// reordered version
1469	<	f = new CompletableFuture<>();
1470	<	f.complete(null);
1471	<	r = new Noop();
1472	<	g = f.thenRunAsync(r);
1473	<	checkCompletedNormally(g, null);
1474	<	}
1468	>	checkCompletedWithWrappedCancellationException(h0);
1469	>	checkCompletedWithWrappedCancellationException(h1);
1470	>	checkCompletedWithWrappedCancellationException(h2);
1471	>	checkCompletedWithWrappedCancellationException(h3);
1472	>	checkCancelled(f);
1473	>	for (IncFunction r : rs) r.assertNotInvoked();
1474	>	}}
1475
1476		/**
1477	<	* thenRunAsync result completes exceptionally after exceptional
1590	<	* completion of source
1477	>	* thenApply result completes exceptionally if action does
1478		*/
1479	<	public void testThenRunAsync2() {
1480	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1481	<	Noop r = new Noop();
1482	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1483	<	f.completeExceptionally(new CFException());
1484	<	try {
1485	<	g.join();
1599	<	shouldThrow();
1600	<	} catch (CompletionException success) {}
1601	<	checkCompletedWithWrappedCFException(g);
1602	<	}
1479	>	public void testThenApply_actionFailed() {
1480	>	for (ExecutionMode m : ExecutionMode.values())
1481	>	for (Integer v1 : new Integer[] { 1, null })
1482	>	{
1483	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1484	>	final FailingFunction[] rs = new FailingFunction[4];
1485	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1486
1487	<	/**
1488	<	* thenRunAsync result completes exceptionally if action does
1489	<	*/
1490	<	public void testThenRunAsync3() {
1491	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1492	<	FailingNoop r = new FailingNoop();
1493	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1494	<	f.complete(null);
1495	<	checkCompletedWithWrappedCFException(g);
1496	<	}
1487	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1488	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1489	>	assertTrue(f.complete(v1));
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, rs[0].ex);
1494	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1495	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1496	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1497	>	checkCompletedNormally(f, v1);
1498	>	}}
1499
1500		/**
1501	<	* thenRunAsync result completes exceptionally if source cancelled
1501	>	* thenAccept result completes normally after normal completion of source
1502		*/
1503	<	public void testThenRunAsync4() {
1504	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1505	<	Noop r = new Noop();
1506	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1507	<	assertTrue(f.cancel(true));
1508	<	checkCompletedWithWrappedCancellationException(g);
1509	<	}
1503	>	public void testThenAccept_normalCompletion() {
1504	>	for (ExecutionMode m : ExecutionMode.values())
1505	>	for (Integer v1 : new Integer[] { 1, null })
1506	>	{
1507	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1508	>	final NoopConsumer[] rs = new NoopConsumer[4];
1509	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1510
1511	<	/**
1512	<	* thenApplyAsync result completes normally after normal completion of source
1513	<	*/
1514	<	public void testThenApplyAsync() {
1515	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1516	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1517	<	f.complete(one);
1518	<	checkCompletedNormally(g, two);
1519	<	}
1511	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1512	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1513	>	checkIncomplete(h0);
1514	>	checkIncomplete(h1);
1515	>	assertTrue(f.complete(v1));
1516	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1517	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1518	>
1519	>	checkCompletedNormally(h0, null);
1520	>	checkCompletedNormally(h1, null);
1521	>	checkCompletedNormally(h2, null);
1522	>	checkCompletedNormally(h3, null);
1523	>	checkCompletedNormally(f, v1);
1524	>	for (NoopConsumer r : rs) r.assertValue(v1);
1525	>	}}
1526
1527		/**
1528	<	* thenApplyAsync result completes exceptionally after exceptional
1528	>	* thenAccept result completes exceptionally after exceptional
1529		* completion of source
1530		*/
1531	<	public void testThenApplyAsync2() {
1532	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1533	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1534	<	f.completeExceptionally(new CFException());
1535	<	checkCompletedWithWrappedCFException(g);
1536	<	}
1531	>	public void testThenAccept_exceptionalCompletion() {
1532	>	for (ExecutionMode m : ExecutionMode.values())
1533	>	{
1534	>	final CFException ex = new CFException();
1535	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1536	>	final NoopConsumer[] rs = new NoopConsumer[4];
1537	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1538
1539	<	/**
1540	<	* thenApplyAsync result completes exceptionally if action does
1541	<	*/
1542	<	public void testThenApplyAsync3() {
1543	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1544	<	FailingFunction r = new FailingFunction();
1545	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1546	<	f.complete(null);
1547	<	checkCompletedWithWrappedCFException(g);
1548	<	}
1539	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1540	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1541	>	assertTrue(f.completeExceptionally(ex));
1542	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1543	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1544	>
1545	>	checkCompletedWithWrappedException(h0, ex);
1546	>	checkCompletedWithWrappedException(h1, ex);
1547	>	checkCompletedWithWrappedException(h2, ex);
1548	>	checkCompletedWithWrappedException(h3, ex);
1549	>	checkCompletedExceptionally(f, ex);
1550	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1551	>	}}
1552
1553		/**
1554	<	* thenApplyAsync result completes exceptionally if source cancelled
1554	>	* thenAccept result completes exceptionally if source cancelled
1555		*/
1556	<	public void testThenApplyAsync4() {
1557	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1558	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1559	<	assertTrue(f.cancel(true));
1560	<	checkCompletedWithWrappedCancellationException(g);
1561	<	}
1556	>	public void testThenAccept_sourceCancelled() {
1557	>	for (ExecutionMode m : ExecutionMode.values())
1558	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1559	>	{
1560	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1561	>	final NoopConsumer[] rs = new NoopConsumer[4];
1562	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1563
1564	<	/**
1565	<	* thenAcceptAsync result completes normally after normal
1566	<	* completion of source
1567	<	*/
1568	<	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	<	}
1564	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1565	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1566	>	assertTrue(f.cancel(mayInterruptIfRunning));
1567	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1568	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1569
1570	<	/**
1571	<	* thenAcceptAsync result completes exceptionally after exceptional
1572	<	* completion of source
1573	<	*/
1574	<	public void testThenAcceptAsync2() {
1575	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1576	<	IncAction r = new IncAction();
1688	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1689	<	f.completeExceptionally(new CFException());
1690	<	checkCompletedWithWrappedCFException(g);
1691	<	}
1570	>	checkCompletedWithWrappedCancellationException(h0);
1571	>	checkCompletedWithWrappedCancellationException(h1);
1572	>	checkCompletedWithWrappedCancellationException(h2);
1573	>	checkCompletedWithWrappedCancellationException(h3);
1574	>	checkCancelled(f);
1575	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1576	>	}}
1577
1578		/**
1579	<	* thenAcceptAsync result completes exceptionally if action does
1579	>	* thenAccept result completes exceptionally if action does
1580		*/
1581	<	public void testThenAcceptAsync3() {
1582	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1583	<	FailingConsumer r = new FailingConsumer();
1584	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1585	<	f.complete(null);
1586	<	checkCompletedWithWrappedCFException(g);
1587	<	}
1581	>	public void testThenAccept_actionFailed() {
1582	>	for (ExecutionMode m : ExecutionMode.values())
1583	>	for (Integer v1 : new Integer[] { 1, null })
1584	>	{
1585	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1586	>	final FailingConsumer[] rs = new FailingConsumer[4];
1587	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1588
1589	<	/**
1590	<	* thenAcceptAsync result completes exceptionally if source cancelled
1591	<	*/
1592	<	public void testThenAcceptAsync4() {
1593	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1594	<	IncAction r = new IncAction();
1595	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1596	<	assertTrue(f.cancel(true));
1597	<	checkCompletedWithWrappedCancellationException(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.complete(v1));
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, rs[0].ex);
1596	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1597	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1598	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1599	>	checkCompletedNormally(f, v1);
1600	>	}}
1601
1602		/**
1603	<	* thenCombineAsync result completes normally after normal
1604	<	* completion of sources
1603	>	* thenCombine result completes normally after normal completion
1604	>	* of sources
1605		*/
1606	<	public void testThenCombineAsync() {
1607	<	CompletableFuture<Integer> f, g, h;
1608	<
1609	<	f = new CompletableFuture<>();
1610	<	g = new CompletableFuture<>();
1611	<	h = f.thenCombineAsync(g, subtract);
1612	<	f.complete(3);
1613	<	checkIncomplete(h);
1614	<	g.complete(1);
1615	<	checkCompletedNormally(h, 2);
1606	>	public void testThenCombine_normalCompletion() {
1607	>	for (ExecutionMode m : ExecutionMode.values())
1608	>	for (boolean fFirst : new boolean[] { true, false })
1609	>	for (Integer v1 : new Integer[] { 1, null })
1610	>	for (Integer v2 : new Integer[] { 2, null })
1611	>	{
1612	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1613	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1614	>	final SubtractFunction[] rs = new SubtractFunction[6];
1615	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1616
1617	<	f = new CompletableFuture<>();
1618	<	g = new CompletableFuture<>();
1619	<	h = f.thenCombineAsync(g, subtract);
1620	<	g.complete(1);
1621	<	checkIncomplete(h);
1622	<	f.complete(3);
1623	<	checkCompletedNormally(h, 2);
1617	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1618	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1619	>	final Integer w1 =  fFirst ? v1 : v2;
1620	>	final Integer w2 = !fFirst ? v1 : v2;
1621	>
1622	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1623	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1624	>	assertTrue(fst.complete(w1));
1625	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1626	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1627	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1628	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1629	>	checkCompletedNormally(h1, subtract(w1, w1));
1630	>	checkCompletedNormally(h3, subtract(w1, w1));
1631	>	rs[1].assertValue(subtract(w1, w1));
1632	>	rs[3].assertValue(subtract(w1, w1));
1633	>	assertTrue(snd.complete(w2));
1634	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1635	>
1636	>	checkCompletedNormally(h0, subtract(v1, v2));
1637	>	checkCompletedNormally(h2, subtract(v1, v2));
1638	>	checkCompletedNormally(h4, subtract(v1, v2));
1639	>	rs[0].assertValue(subtract(v1, v2));
1640	>	rs[2].assertValue(subtract(v1, v2));
1641	>	rs[4].assertValue(subtract(v1, v2));
1642
1643	<	f = new CompletableFuture<>();
1644	<	g = new CompletableFuture<>();
1645	<	g.complete(1);
1741	<	f.complete(3);
1742	<	h = f.thenCombineAsync(g, subtract);
1743	<	checkCompletedNormally(h, 2);
1744	<	}
1643	>	checkCompletedNormally(f, v1);
1644	>	checkCompletedNormally(g, v2);
1645	>	}}
1646
1647		/**
1648	<	* thenCombineAsync result completes exceptionally after exceptional
1648	>	* thenCombine result completes exceptionally after exceptional
1649		* completion of either source
1650		*/
1651	<	public void testThenCombineAsync2() {
1652	<	CompletableFuture<Integer> f, g, h;
1653	<
1654	<	f = new CompletableFuture<>();
1655	<	g = new CompletableFuture<>();
1656	<	h = f.thenCombineAsync(g, subtract);
1657	<	f.completeExceptionally(new CFException());
1658	<	checkIncomplete(h);
1659	<	g.complete(1);
1660	<	checkCompletedWithWrappedCFException(h);
1661	<
1662	<	f = new CompletableFuture<>();
1663	<	g = new CompletableFuture<>();
1664	<	h = f.thenCombineAsync(g, subtract);
1665	<	g.completeExceptionally(new CFException());
1666	<	checkIncomplete(h);
1667	<	f.complete(3);
1668	<	checkCompletedWithWrappedCFException(h);
1669	<
1670	<	f = new CompletableFuture<>();
1671	<	g = new CompletableFuture<>();
1672	<	g.completeExceptionally(new CFException());
1673	<	f.complete(3);
1674	<	h = f.thenCombineAsync(g, subtract);
1675	<	checkCompletedWithWrappedCFException(h);
1676	<	}
1677	<
1678	<	/**
1679	<	* thenCombineAsync result completes exceptionally if action does
1680	<	*/
1681	<	public void testThenCombineAsync3() {
1682	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1683	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1684	<	FailingBiFunction r = new FailingBiFunction();
1685	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1686	<	f.complete(one);
1687	<	checkIncomplete(g);
1688	<	assertFalse(r.ran);
1689	<	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	<	}
1651	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1652	>	for (ExecutionMode m : ExecutionMode.values())
1653	>	for (boolean fFirst : new boolean[] { true, false })
1654	>	for (boolean failFirst : new boolean[] { true, false })
1655	>	for (Integer v1 : new Integer[] { 1, null })
1656	>	{
1657	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1658	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1659	>	final CFException ex = new CFException();
1660	>	final SubtractFunction r1 = new SubtractFunction(m);
1661	>	final SubtractFunction r2 = new SubtractFunction(m);
1662	>	final SubtractFunction r3 = new SubtractFunction(m);
1663	>
1664	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1665	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1666	>	final Callable<Boolean> complete1 = failFirst ?
1667	>	() -> fst.completeExceptionally(ex) :
1668	>	() -> fst.complete(v1);
1669	>	final Callable<Boolean> complete2 = failFirst ?
1670	>	() -> snd.complete(v1) :
1671	>	() -> snd.completeExceptionally(ex);
1672	>
1673	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1674	>	assertTrue(complete1.call());
1675	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1676	>	checkIncomplete(h1);
1677	>	checkIncomplete(h2);
1678	>	assertTrue(complete2.call());
1679	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1680	>
1681	>	checkCompletedWithWrappedException(h1, ex);
1682	>	checkCompletedWithWrappedException(h2, ex);
1683	>	checkCompletedWithWrappedException(h3, ex);
1684	>	r1.assertNotInvoked();
1685	>	r2.assertNotInvoked();
1686	>	r3.assertNotInvoked();
1687	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1688	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1689	>	}}
1690
1691		/**
1692	<	* thenAcceptBothAsync result completes exceptionally if action does
1692	>	* thenCombine result completes exceptionally if either source cancelled
1693		*/
1694	<	public void testThenAcceptBothAsync3() {
1695	<	CompletableFuture<Integer> f, g;
1696	<	CompletableFuture<Void> h;
1697	<	FailingBiConsumer r;
1698	<
1699	<	f = new CompletableFuture<>();
1700	<	g = new CompletableFuture<>();
1701	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1702	<	f.complete(3);
1703	<	checkIncomplete(h);
1704	<	g.complete(1);
1705	<	checkCompletedWithWrappedCFException(h);
1706	<
1707	<	f = new CompletableFuture<>();
1708	<	g = new CompletableFuture<>();
1709	<	f.complete(3);
1710	<	g.complete(1);
1711	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1712	<	checkCompletedWithWrappedCFException(h);
1713	<	}
1694	>	public void testThenCombine_sourceCancelled() throws Throwable {
1695	>	for (ExecutionMode m : ExecutionMode.values())
1696	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1697	>	for (boolean fFirst : new boolean[] { true, false })
1698	>	for (boolean failFirst : new boolean[] { true, false })
1699	>	for (Integer v1 : new Integer[] { 1, null })
1700	>	{
1701	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1702	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1703	>	final SubtractFunction r1 = new SubtractFunction(m);
1704	>	final SubtractFunction r2 = new SubtractFunction(m);
1705	>	final SubtractFunction r3 = new SubtractFunction(m);
1706	>
1707	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1708	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1709	>	final Callable<Boolean> complete1 = failFirst ?
1710	>	() -> fst.cancel(mayInterruptIfRunning) :
1711	>	() -> fst.complete(v1);
1712	>	final Callable<Boolean> complete2 = failFirst ?
1713	>	() -> snd.complete(v1) :
1714	>	() -> snd.cancel(mayInterruptIfRunning);
1715	>
1716	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1717	>	assertTrue(complete1.call());
1718	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1719	>	checkIncomplete(h1);
1720	>	checkIncomplete(h2);
1721	>	assertTrue(complete2.call());
1722	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1723	>
1724	>	checkCompletedWithWrappedCancellationException(h1);
1725	>	checkCompletedWithWrappedCancellationException(h2);
1726	>	checkCompletedWithWrappedCancellationException(h3);
1727	>	r1.assertNotInvoked();
1728	>	r2.assertNotInvoked();
1729	>	r3.assertNotInvoked();
1730	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1731	>	checkCancelled(failFirst ? fst : snd);
1732	>	}}
1733
1734		/**
1735	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
1735	>	* thenCombine result completes exceptionally if action does
1736		*/
1737	<	public void testThenAcceptBothAsync4() {
1738	<	CompletableFuture<Integer> f, g;
1739	<	CompletableFuture<Void> h;
1740	<	SubtractAction r;
1741	<
1742	<	f = new CompletableFuture<>();
1743	<	g = new CompletableFuture<>();
1744	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1745	<	assertTrue(f.cancel(true));
1746	<	checkIncomplete(h);
1747	<	g.complete(1);
1748	<	checkCompletedWithWrappedCancellationException(h);
1749	<
1750	<	f = new CompletableFuture<>();
1751	<	g = new CompletableFuture<>();
1752	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1753	<	assertTrue(g.cancel(true));
1754	<	checkIncomplete(h);
1755	<	f.complete(3);
1756	<	checkCompletedWithWrappedCancellationException(h);
1757	<
1758	<	f = new CompletableFuture<>();
1759	<	g = new CompletableFuture<>();
1760	<	f.complete(3);
1761	<	assertTrue(g.cancel(true));
1762	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1763	<	checkCompletedWithWrappedCancellationException(h);
1764	<
1765	<	f = new CompletableFuture<>();
1766	<	g = new CompletableFuture<>();
1767	<	assertTrue(f.cancel(true));
1768	<	g.complete(3);
1965	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1966	<	checkCompletedWithWrappedCancellationException(h);
1967	<	}
1737	>	public void testThenCombine_actionFailed() {
1738	>	for (ExecutionMode m : ExecutionMode.values())
1739	>	for (boolean fFirst : new boolean[] { true, false })
1740	>	for (Integer v1 : new Integer[] { 1, null })
1741	>	for (Integer v2 : new Integer[] { 2, null })
1742	>	{
1743	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1744	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1745	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1746	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1747	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1748	>
1749	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1750	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1751	>	final Integer w1 =  fFirst ? v1 : v2;
1752	>	final Integer w2 = !fFirst ? v1 : v2;
1753	>
1754	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1755	>	assertTrue(fst.complete(w1));
1756	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1757	>	assertTrue(snd.complete(w2));
1758	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1759	>
1760	>	checkCompletedWithWrappedException(h1, r1.ex);
1761	>	checkCompletedWithWrappedException(h2, r2.ex);
1762	>	checkCompletedWithWrappedException(h3, r3.ex);
1763	>	r1.assertInvoked();
1764	>	r2.assertInvoked();
1765	>	r3.assertInvoked();
1766	>	checkCompletedNormally(f, v1);
1767	>	checkCompletedNormally(g, v2);
1768	>	}}
1769
1770		/**
1771	<	* applyToEitherAsync result completes normally after normal
1771	>	* thenAcceptBoth result completes normally after normal
1772		* completion of sources
1773		*/
1774	<	public void testApplyToEitherAsync() {
1775	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1776	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1777	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1778	<	f.complete(one);
1779	<	checkCompletedNormally(g, two);
1780	<
1781	<	f = new CompletableFuture<>();
1782	<	f.complete(one);
1783	<	f2 = new CompletableFuture<>();
1784	<	g = f.applyToEitherAsync(f2, inc);
1785	<	checkCompletedNormally(g, two);
1786	<	}
1774	>	public void testThenAcceptBoth_normalCompletion() {
1775	>	for (ExecutionMode m : ExecutionMode.values())
1776	>	for (boolean fFirst : new boolean[] { true, false })
1777	>	for (Integer v1 : new Integer[] { 1, null })
1778	>	for (Integer v2 : new Integer[] { 2, null })
1779	>	{
1780	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1781	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1782	>	final SubtractAction r1 = new SubtractAction(m);
1783	>	final SubtractAction r2 = new SubtractAction(m);
1784	>	final SubtractAction r3 = new SubtractAction(m);
1785	>
1786	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1787	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1788	>	final Integer w1 =  fFirst ? v1 : v2;
1789	>	final Integer w2 = !fFirst ? v1 : v2;
1790	>
1791	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1792	>	assertTrue(fst.complete(w1));
1793	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1794	>	checkIncomplete(h1);
1795	>	checkIncomplete(h2);
1796	>	r1.assertNotInvoked();
1797	>	r2.assertNotInvoked();
1798	>	assertTrue(snd.complete(w2));
1799	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1800	>
1801	>	checkCompletedNormally(h1, null);
1802	>	checkCompletedNormally(h2, null);
1803	>	checkCompletedNormally(h3, null);
1804	>	r1.assertValue(subtract(v1, v2));
1805	>	r2.assertValue(subtract(v1, v2));
1806	>	r3.assertValue(subtract(v1, v2));
1807	>	checkCompletedNormally(f, v1);
1808	>	checkCompletedNormally(g, v2);
1809	>	}}
1810
1811		/**
1812	<	* applyToEitherAsync result completes exceptionally after exceptional
1813	<	* completion of source
1812	>	* thenAcceptBoth result completes exceptionally after exceptional
1813	>	* completion of either source
1814		*/
1815	<	public void testApplyToEitherAsync2() {
1816	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1817	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1818	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1819	<	f.completeExceptionally(new CFException());
1820	<	checkCompletedWithWrappedCFException(g);
1821	<
1822	<	f = new CompletableFuture<>();
1823	<	f2 = new CompletableFuture<>();
1824	<	f2.completeExceptionally(new CFException());
1825	<	g = f.applyToEitherAsync(f2, inc);
1826	<	f.complete(one);
1827	<	checkCompletedWithWrappedCFException(g);
1828	<	}
1815	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1816	>	for (ExecutionMode m : ExecutionMode.values())
1817	>	for (boolean fFirst : new boolean[] { true, false })
1818	>	for (boolean failFirst : new boolean[] { true, false })
1819	>	for (Integer v1 : new Integer[] { 1, null })
1820	>	{
1821	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1822	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1823	>	final CFException ex = new CFException();
1824	>	final SubtractAction r1 = new SubtractAction(m);
1825	>	final SubtractAction r2 = new SubtractAction(m);
1826	>	final SubtractAction r3 = new SubtractAction(m);
1827	>
1828	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1829	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1830	>	final Callable<Boolean> complete1 = failFirst ?
1831	>	() -> fst.completeExceptionally(ex) :
1832	>	() -> fst.complete(v1);
1833	>	final Callable<Boolean> complete2 = failFirst ?
1834	>	() -> snd.complete(v1) :
1835	>	() -> snd.completeExceptionally(ex);
1836	>
1837	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1838	>	assertTrue(complete1.call());
1839	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1840	>	checkIncomplete(h1);
1841	>	checkIncomplete(h2);
1842	>	assertTrue(complete2.call());
1843	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1844	>
1845	>	checkCompletedWithWrappedException(h1, ex);
1846	>	checkCompletedWithWrappedException(h2, ex);
1847	>	checkCompletedWithWrappedException(h3, ex);
1848	>	r1.assertNotInvoked();
1849	>	r2.assertNotInvoked();
1850	>	r3.assertNotInvoked();
1851	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1852	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1853	>	}}
1854
1855		/**
1856	<	* applyToEitherAsync result completes exceptionally if action does
1856	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1857		*/
1858	<	public void testApplyToEitherAsync3() {
1859	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1860	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1861	<	FailingFunction r = new FailingFunction();
1862	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1863	<	f.complete(one);
1864	<	checkCompletedWithWrappedCFException(g);
1865	<	}
1858	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1859	>	for (ExecutionMode m : ExecutionMode.values())
1860	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1861	>	for (boolean fFirst : new boolean[] { true, false })
1862	>	for (boolean failFirst : new boolean[] { true, false })
1863	>	for (Integer v1 : new Integer[] { 1, null })
1864	>	{
1865	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1866	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1867	>	final SubtractAction r1 = new SubtractAction(m);
1868	>	final SubtractAction r2 = new SubtractAction(m);
1869	>	final SubtractAction r3 = new SubtractAction(m);
1870	>
1871	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1872	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1873	>	final Callable<Boolean> complete1 = failFirst ?
1874	>	() -> fst.cancel(mayInterruptIfRunning) :
1875	>	() -> fst.complete(v1);
1876	>	final Callable<Boolean> complete2 = failFirst ?
1877	>	() -> snd.complete(v1) :
1878	>	() -> snd.cancel(mayInterruptIfRunning);
1879	>
1880	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1881	>	assertTrue(complete1.call());
1882	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1883	>	checkIncomplete(h1);
1884	>	checkIncomplete(h2);
1885	>	assertTrue(complete2.call());
1886	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1887	>
1888	>	checkCompletedWithWrappedCancellationException(h1);
1889	>	checkCompletedWithWrappedCancellationException(h2);
1890	>	checkCompletedWithWrappedCancellationException(h3);
1891	>	r1.assertNotInvoked();
1892	>	r2.assertNotInvoked();
1893	>	r3.assertNotInvoked();
1894	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1895	>	checkCancelled(failFirst ? fst : snd);
1896	>	}}
1897
1898		/**
1899	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1899	>	* thenAcceptBoth result completes exceptionally if action does
1900		*/
1901	<	public void testApplyToEitherAsync4() {
1902	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1903	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1904	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1905	<	assertTrue(f.cancel(true));
1906	<	checkCompletedWithWrappedCancellationException(g);
1907	<
1908	<	f = new CompletableFuture<>();
1909	<	f2 = new CompletableFuture<>();
1910	<	assertTrue(f2.cancel(true));
1911	<	g = f.applyToEitherAsync(f2, inc);
1912	<	checkCompletedWithWrappedCancellationException(g);
1913	<	}
1901	>	public void testThenAcceptBoth_actionFailed() {
1902	>	for (ExecutionMode m : ExecutionMode.values())
1903	>	for (boolean fFirst : new boolean[] { true, false })
1904	>	for (Integer v1 : new Integer[] { 1, null })
1905	>	for (Integer v2 : new Integer[] { 2, null })
1906	>	{
1907	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1908	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1909	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1910	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1911	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1912	>
1913	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1914	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1915	>	final Integer w1 =  fFirst ? v1 : v2;
1916	>	final Integer w2 = !fFirst ? v1 : v2;
1917	>
1918	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1919	>	assertTrue(fst.complete(w1));
1920	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1921	>	assertTrue(snd.complete(w2));
1922	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1923	>
1924	>	checkCompletedWithWrappedException(h1, r1.ex);
1925	>	checkCompletedWithWrappedException(h2, r2.ex);
1926	>	checkCompletedWithWrappedException(h3, r3.ex);
1927	>	r1.assertInvoked();
1928	>	r2.assertInvoked();
1929	>	r3.assertInvoked();
1930	>	checkCompletedNormally(f, v1);
1931	>	checkCompletedNormally(g, v2);
1932	>	}}
1933
1934		/**
1935	<	* acceptEitherAsync result completes normally after normal
1935	>	* runAfterBoth result completes normally after normal
1936		* completion of sources
1937		*/
1938	<	public void testAcceptEitherAsync() {
1939	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1940	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1941	<	IncAction r = new IncAction();
1942	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1943	<	f.complete(one);
1944	<	checkCompletedNormally(g, null);
1945	<	assertEquals(r.value, 2);
1946	<
1947	<	r = new IncAction();
1948	<	f = new CompletableFuture<>();
1949	<	f.complete(one);
1950	<	f2 = new CompletableFuture<>();
1951	<	g = f.acceptEitherAsync(f2, r);
1952	<	checkCompletedNormally(g, null);
1953	<	assertEquals(r.value, 2);
1954	<	}
1955	<
1956	<	/**
1957	<	* acceptEitherAsync result completes exceptionally after exceptional
1958	<	* completion of source
1959	<	*/
1960	<	public void testAcceptEitherAsync2() {
1961	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1962	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1963	<	IncAction r = new IncAction();
1964	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1965	<	f.completeExceptionally(new CFException());
1966	<	checkCompletedWithWrappedCFException(g);
1967	<
1968	<	r = new IncAction();
1969	<	f = new CompletableFuture<>();
1970	<	f2 = new CompletableFuture<>();
1971	<	f2.completeExceptionally(new CFException());
1972	<	g = f.acceptEitherAsync(f2, r);
1973	<	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	<	}
1938	>	public void testRunAfterBoth_normalCompletion() {
1939	>	for (ExecutionMode m : ExecutionMode.values())
1940	>	for (boolean fFirst : new boolean[] { true, false })
1941	>	for (Integer v1 : new Integer[] { 1, null })
1942	>	for (Integer v2 : new Integer[] { 2, null })
1943	>	{
1944	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1945	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1946	>	final Noop r1 = new Noop(m);
1947	>	final Noop r2 = new Noop(m);
1948	>	final Noop r3 = new Noop(m);
1949	>
1950	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1951	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1952	>	final Integer w1 =  fFirst ? v1 : v2;
1953	>	final Integer w2 = !fFirst ? v1 : v2;
1954	>
1955	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1956	>	assertTrue(fst.complete(w1));
1957	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1958	>	checkIncomplete(h1);
1959	>	checkIncomplete(h2);
1960	>	r1.assertNotInvoked();
1961	>	r2.assertNotInvoked();
1962	>	assertTrue(snd.complete(w2));
1963	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1964	>
1965	>	checkCompletedNormally(h1, null);
1966	>	checkCompletedNormally(h2, null);
1967	>	checkCompletedNormally(h3, null);
1968	>	r1.assertInvoked();
1969	>	r2.assertInvoked();
1970	>	r3.assertInvoked();
1971	>	checkCompletedNormally(f, v1);
1972	>	checkCompletedNormally(g, v2);
1973	>	}}
1974
1975		/**
1976	<	* runAfterEitherAsync result completes normally after normal
1977	<	* completion of sources
1976	>	* runAfterBoth result completes exceptionally after exceptional
1977	>	* completion of either source
1978		*/
1979	<	public void testRunAfterEitherAsync() {
1980	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1981	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1982	<	Noop r = new Noop();
1983	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1984	<	f.complete(one);
1985	<	checkCompletedNormally(g, null);
1986	<	assertTrue(r.ran);
1987	<
1988	<	r = new Noop();
1989	<	f = new CompletableFuture<>();
1990	<	f.complete(one);
1991	<	f2 = new CompletableFuture<>();
1992	<	g = f.runAfterEitherAsync(f2, r);
1993	<	checkCompletedNormally(g, null);
1994	<	assertTrue(r.ran);
1995	<	}
1979	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1980	>	for (ExecutionMode m : ExecutionMode.values())
1981	>	for (boolean fFirst : new boolean[] { true, false })
1982	>	for (boolean failFirst : new boolean[] { true, false })
1983	>	for (Integer v1 : new Integer[] { 1, null })
1984	>	{
1985	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1986	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1987	>	final CFException ex = new CFException();
1988	>	final Noop r1 = new Noop(m);
1989	>	final Noop r2 = new Noop(m);
1990	>	final Noop r3 = new Noop(m);
1991	>
1992	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1993	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1994	>	final Callable<Boolean> complete1 = failFirst ?
1995	>	() -> fst.completeExceptionally(ex) :
1996	>	() -> fst.complete(v1);
1997	>	final Callable<Boolean> complete2 = failFirst ?
1998	>	() -> snd.complete(v1) :
1999	>	() -> snd.completeExceptionally(ex);
2000	>
2001	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2002	>	assertTrue(complete1.call());
2003	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2004	>	checkIncomplete(h1);
2005	>	checkIncomplete(h2);
2006	>	assertTrue(complete2.call());
2007	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2008	>
2009	>	checkCompletedWithWrappedException(h1, ex);
2010	>	checkCompletedWithWrappedException(h2, ex);
2011	>	checkCompletedWithWrappedException(h3, ex);
2012	>	r1.assertNotInvoked();
2013	>	r2.assertNotInvoked();
2014	>	r3.assertNotInvoked();
2015	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2016	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2017	>	}}
2018
2019		/**
2020	<	* runAfterEitherAsync result completes exceptionally after exceptional
2134	<	* completion of source
2020	>	* runAfterBoth result completes exceptionally if either source cancelled
2021		*/
2022	<	public void testRunAfterEitherAsync2() {
2023	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2024	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2025	<	Noop r = new Noop();
2026	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2027	<	f.completeExceptionally(new CFException());
2028	<	checkCompletedWithWrappedCFException(g);
2029	<
2030	<	r = new Noop();
2031	<	f = new CompletableFuture<>();
2032	<	f2 = new CompletableFuture<>();
2033	<	f2.completeExceptionally(new CFException());
2034	<	g = f.runAfterEitherAsync(f2, r);
2035	<	f.complete(one);
2036	<	checkCompletedWithWrappedCFException(g);
2037	<	}
2022	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2023	>	for (ExecutionMode m : ExecutionMode.values())
2024	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2025	>	for (boolean fFirst : new boolean[] { true, false })
2026	>	for (boolean failFirst : new boolean[] { true, false })
2027	>	for (Integer v1 : new Integer[] { 1, null })
2028	>	{
2029	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2030	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2031	>	final Noop r1 = new Noop(m);
2032	>	final Noop r2 = new Noop(m);
2033	>	final Noop r3 = new Noop(m);
2034	>
2035	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2036	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2037	>	final Callable<Boolean> complete1 = failFirst ?
2038	>	() -> fst.cancel(mayInterruptIfRunning) :
2039	>	() -> fst.complete(v1);
2040	>	final Callable<Boolean> complete2 = failFirst ?
2041	>	() -> snd.complete(v1) :
2042	>	() -> snd.cancel(mayInterruptIfRunning);
2043	>
2044	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2045	>	assertTrue(complete1.call());
2046	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2047	>	checkIncomplete(h1);
2048	>	checkIncomplete(h2);
2049	>	assertTrue(complete2.call());
2050	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2051	>
2052	>	checkCompletedWithWrappedCancellationException(h1);
2053	>	checkCompletedWithWrappedCancellationException(h2);
2054	>	checkCompletedWithWrappedCancellationException(h3);
2055	>	r1.assertNotInvoked();
2056	>	r2.assertNotInvoked();
2057	>	r3.assertNotInvoked();
2058	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2059	>	checkCancelled(failFirst ? fst : snd);
2060	>	}}
2061
2062		/**
2063	<	* runAfterEitherAsync result completes exceptionally if action does
2063	>	* runAfterBoth result completes exceptionally if action does
2064		*/
2065	<	public void testRunAfterEitherAsync3() {
2066	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2067	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2068	<	FailingNoop r = new FailingNoop();
2069	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2070	<	f.complete(one);
2071	<	checkCompletedWithWrappedCFException(g);
2072	<	}
2065	>	public void testRunAfterBoth_actionFailed() {
2066	>	for (ExecutionMode m : ExecutionMode.values())
2067	>	for (boolean fFirst : new boolean[] { true, false })
2068	>	for (Integer v1 : new Integer[] { 1, null })
2069	>	for (Integer v2 : new Integer[] { 2, null })
2070	>	{
2071	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2072	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2073	>	final FailingRunnable r1 = new FailingRunnable(m);
2074	>	final FailingRunnable r2 = new FailingRunnable(m);
2075	>	final FailingRunnable r3 = new FailingRunnable(m);
2076	>
2077	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2078	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2079	>	final Integer w1 =  fFirst ? v1 : v2;
2080	>	final Integer w2 = !fFirst ? v1 : v2;
2081	>
2082	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2083	>	assertTrue(fst.complete(w1));
2084	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2085	>	assertTrue(snd.complete(w2));
2086	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2087	>
2088	>	checkCompletedWithWrappedException(h1, r1.ex);
2089	>	checkCompletedWithWrappedException(h2, r2.ex);
2090	>	checkCompletedWithWrappedException(h3, r3.ex);
2091	>	r1.assertInvoked();
2092	>	r2.assertInvoked();
2093	>	r3.assertInvoked();
2094	>	checkCompletedNormally(f, v1);
2095	>	checkCompletedNormally(g, v2);
2096	>	}}
2097
2098		/**
2099	<	* runAfterEitherAsync result completes exceptionally if either
2100	<	* source cancelled
2099	>	* applyToEither result completes normally after normal completion
2100	>	* of either source
2101		*/
2102	<	public void testRunAfterEitherAsync4() {
2103	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2104	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2105	<	Noop r = new Noop();
2106	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2107	<	assertTrue(f.cancel(true));
2108	<	checkCompletedWithWrappedCancellationException(g);
2109	<
2110	<	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	<	}
2102	>	public void testApplyToEither_normalCompletion() {
2103	>	for (ExecutionMode m : ExecutionMode.values())
2104	>	for (Integer v1 : new Integer[] { 1, null })
2105	>	for (Integer v2 : new Integer[] { 2, null })
2106	>	{
2107	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2108	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2109	>	final IncFunction[] rs = new IncFunction[6];
2110	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2111
2112	<	/**
2113	<	* thenComposeAsync result completes normally after normal
2114	<	* completion of source
2115	<	*/
2116	<	public void testThenComposeAsync() {
2117	<	CompletableFuture<Integer> f, g;
2118	<	CompletableFutureInc r;
2112	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2113	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2114	>	checkIncomplete(h0);
2115	>	checkIncomplete(h1);
2116	>	rs[0].assertNotInvoked();
2117	>	rs[1].assertNotInvoked();
2118	>	f.complete(v1);
2119	>	checkCompletedNormally(h0, inc(v1));
2120	>	checkCompletedNormally(h1, inc(v1));
2121	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2122	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2123	>	checkCompletedNormally(h2, inc(v1));
2124	>	checkCompletedNormally(h3, inc(v1));
2125	>	g.complete(v2);
2126
2127	<	f = new CompletableFuture<>();
2128	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2129	<	f.complete(one);
2130	<	checkCompletedNormally(g, two);
2127	>	// unspecified behavior - both source completions available
2128	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2129	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2130	>	rs[4].assertValue(h4.join());
2131	>	rs[5].assertValue(h5.join());
2132	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2133	>	Objects.equals(inc(v2), h4.join()));
2134	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2135	>	Objects.equals(inc(v2), h5.join()));
2136
2137	<	f = new CompletableFuture<>();
2138	<	f.complete(one);
2139	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2140	<	checkCompletedNormally(g, two);
2141	<	}
2137	>	checkCompletedNormally(f, v1);
2138	>	checkCompletedNormally(g, v2);
2139	>	checkCompletedNormally(h0, inc(v1));
2140	>	checkCompletedNormally(h1, inc(v1));
2141	>	checkCompletedNormally(h2, inc(v1));
2142	>	checkCompletedNormally(h3, inc(v1));
2143	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2144	>	}}
2145
2146		/**
2147	<	* thenComposeAsync result completes exceptionally after
2148	<	* exceptional completion of source
2147	>	* applyToEither result completes exceptionally after exceptional
2148	>	* completion of either source
2149		*/
2150	<	public void testThenComposeAsync2() {
2151	<	CompletableFuture<Integer> f, g;
2152	<	CompletableFutureInc r;
2153	<
2154	<	f = new CompletableFuture<>();
2155	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2156	<	f.completeExceptionally(new CFException());
2157	<	checkCompletedWithWrappedCFException(g);
2158	<	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	<	}
2150	>	public void testApplyToEither_exceptionalCompletion() {
2151	>	for (ExecutionMode m : ExecutionMode.values())
2152	>	for (Integer v1 : new Integer[] { 1, null })
2153	>	{
2154	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2155	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2156	>	final CFException ex = new CFException();
2157	>	final IncFunction[] rs = new IncFunction[6];
2158	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2159
2160	<	/**
2161	<	* thenComposeAsync result completes exceptionally if action does
2162	<	*/
2163	<	public void testThenComposeAsync3() {
2164	<	CompletableFuture<Integer> f, g;
2165	<	FailingCompletableFutureFunction r;
2160	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2161	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2162	>	checkIncomplete(h0);
2163	>	checkIncomplete(h1);
2164	>	rs[0].assertNotInvoked();
2165	>	rs[1].assertNotInvoked();
2166	>	f.completeExceptionally(ex);
2167	>	checkCompletedWithWrappedException(h0, ex);
2168	>	checkCompletedWithWrappedException(h1, ex);
2169	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2170	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2171	>	checkCompletedWithWrappedException(h2, ex);
2172	>	checkCompletedWithWrappedException(h3, ex);
2173	>	g.complete(v1);
2174
2175	<	f = new CompletableFuture<>();
2176	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2177	<	f.complete(one);
2178	<	checkCompletedWithWrappedCFException(g);
2175	>	// unspecified behavior - both source completions available
2176	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2177	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2178	>	try {
2179	>	assertEquals(inc(v1), h4.join());
2180	>	rs[4].assertValue(inc(v1));
2181	>	} catch (CompletionException ok) {
2182	>	checkCompletedWithWrappedException(h4, ex);
2183	>	rs[4].assertNotInvoked();
2184	>	}
2185	>	try {
2186	>	assertEquals(inc(v1), h5.join());
2187	>	rs[5].assertValue(inc(v1));
2188	>	} catch (CompletionException ok) {
2189	>	checkCompletedWithWrappedException(h5, ex);
2190	>	rs[5].assertNotInvoked();
2191	>	}
2192
2193	<	f = new CompletableFuture<>();
2194	<	f.complete(one);
2195	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2196	<	checkCompletedWithWrappedCFException(g);
2197	<	}
2193	>	checkCompletedExceptionally(f, ex);
2194	>	checkCompletedNormally(g, v1);
2195	>	checkCompletedWithWrappedException(h0, ex);
2196	>	checkCompletedWithWrappedException(h1, ex);
2197	>	checkCompletedWithWrappedException(h2, ex);
2198	>	checkCompletedWithWrappedException(h3, ex);
2199	>	checkCompletedWithWrappedException(h4, ex);
2200	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2201	>	}}
2202
2203	<	/**
2204	<	* thenComposeAsync result completes exceptionally if source cancelled
2205	<	*/
2206	<	public void testThenComposeAsync4() {
2207	<	CompletableFuture<Integer> f, g;
2208	<	CompletableFutureInc r;
2203	>	public void testApplyToEither_exceptionalCompletion2() {
2204	>	for (ExecutionMode m : ExecutionMode.values())
2205	>	for (boolean fFirst : new boolean[] { true, false })
2206	>	for (Integer v1 : new Integer[] { 1, null })
2207	>	{
2208	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2209	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2210	>	final CFException ex = new CFException();
2211	>	final IncFunction[] rs = new IncFunction[6];
2212	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2213
2214	<	f = new CompletableFuture<>();
2215	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2216	<	assertTrue(f.cancel(true));
2217	<	checkCompletedWithWrappedCancellationException(g);
2214	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2215	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2216	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2217	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2218	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2219	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2220
2221	<	f = new CompletableFuture<>();
2222	<	assertTrue(f.cancel(true));
2223	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2224	<	checkCompletedWithWrappedCancellationException(g);
2225	<	}
2221	>	// unspecified behavior - both source completions available
2222	>	try {
2223	>	assertEquals(inc(v1), h0.join());
2224	>	rs[0].assertValue(inc(v1));
2225	>	} catch (CompletionException ok) {
2226	>	checkCompletedWithWrappedException(h0, ex);
2227	>	rs[0].assertNotInvoked();
2228	>	}
2229	>	try {
2230	>	assertEquals(inc(v1), h1.join());
2231	>	rs[1].assertValue(inc(v1));
2232	>	} catch (CompletionException ok) {
2233	>	checkCompletedWithWrappedException(h1, ex);
2234	>	rs[1].assertNotInvoked();
2235	>	}
2236	>	try {
2237	>	assertEquals(inc(v1), h2.join());
2238	>	rs[2].assertValue(inc(v1));
2239	>	} catch (CompletionException ok) {
2240	>	checkCompletedWithWrappedException(h2, ex);
2241	>	rs[2].assertNotInvoked();
2242	>	}
2243	>	try {
2244	>	assertEquals(inc(v1), h3.join());
2245	>	rs[3].assertValue(inc(v1));
2246	>	} catch (CompletionException ok) {
2247	>	checkCompletedWithWrappedException(h3, ex);
2248	>	rs[3].assertNotInvoked();
2249	>	}
2250
2251	<	// async with explicit executors
2251	>	checkCompletedNormally(f, v1);
2252	>	checkCompletedExceptionally(g, ex);
2253	>	}}
2254
2255		/**
2256	<	* thenRunAsync result completes normally after normal completion of source
2256	>	* applyToEither result completes exceptionally if either source cancelled
2257		*/
2258	<	public void testThenRunAsyncE() {
2259	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2260	<	Noop r = new Noop();
2261	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2262	<	f.complete(null);
2263	<	checkCompletedNormally(g, null);
2258	>	public void testApplyToEither_sourceCancelled() {
2259	>	for (ExecutionMode m : ExecutionMode.values())
2260	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2261	>	for (Integer v1 : new Integer[] { 1, null })
2262	>	{
2263	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2264	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2265	>	final IncFunction[] rs = new IncFunction[6];
2266	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2267
2268	<	// reordered version
2269	<	f = new CompletableFuture<>();
2270	<	f.complete(null);
2271	<	r = new Noop();
2272	<	g = f.thenRunAsync(r, new ThreadExecutor());
2273	<	checkCompletedNormally(g, null);
2274	<	}
2268	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2269	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2270	>	checkIncomplete(h0);
2271	>	checkIncomplete(h1);
2272	>	rs[0].assertNotInvoked();
2273	>	rs[1].assertNotInvoked();
2274	>	f.cancel(mayInterruptIfRunning);
2275	>	checkCompletedWithWrappedCancellationException(h0);
2276	>	checkCompletedWithWrappedCancellationException(h1);
2277	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2278	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2279	>	checkCompletedWithWrappedCancellationException(h2);
2280	>	checkCompletedWithWrappedCancellationException(h3);
2281	>	g.complete(v1);
2282
2283	<	/**
2284	<	* thenRunAsync result completes exceptionally after exceptional
2285	<	* 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());
2283	>	// unspecified behavior - both source completions available
2284	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2285	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2286		try {
2287	<	g.join();
2288	<	shouldThrow();
2289	<	} catch (CompletionException success) {}
2290	<	checkCompletedWithWrappedCFException(g);
2291	<	}
2287	>	assertEquals(inc(v1), h4.join());
2288	>	rs[4].assertValue(inc(v1));
2289	>	} catch (CompletionException ok) {
2290	>	checkCompletedWithWrappedCancellationException(h4);
2291	>	rs[4].assertNotInvoked();
2292	>	}
2293	>	try {
2294	>	assertEquals(inc(v1), h5.join());
2295	>	rs[5].assertValue(inc(v1));
2296	>	} catch (CompletionException ok) {
2297	>	checkCompletedWithWrappedCancellationException(h5);
2298	>	rs[5].assertNotInvoked();
2299	>	}
2300
2301	<	/**
2302	<	* thenRunAsync result completes exceptionally if action does
2303	<	*/
2304	<	public void testThenRunAsync3E() {
2305	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2306	<	FailingNoop r = new FailingNoop();
2307	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2308	<	f.complete(null);
2305	<	checkCompletedWithWrappedCFException(g);
2306	<	}
2301	>	checkCancelled(f);
2302	>	checkCompletedNormally(g, v1);
2303	>	checkCompletedWithWrappedCancellationException(h0);
2304	>	checkCompletedWithWrappedCancellationException(h1);
2305	>	checkCompletedWithWrappedCancellationException(h2);
2306	>	checkCompletedWithWrappedCancellationException(h3);
2307	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2308	>	}}
2309
2310	<	/**
2311	<	* thenRunAsync result completes exceptionally if source cancelled
2312	<	*/
2313	<	public void testThenRunAsync4E() {
2314	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2315	<	Noop r = new Noop();
2316	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2317	<	assertTrue(f.cancel(true));
2318	<	checkCompletedWithWrappedCancellationException(g);
2319	<	}
2310	>	public void testApplyToEither_sourceCancelled2() {
2311	>	for (ExecutionMode m : ExecutionMode.values())
2312	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2313	>	for (boolean fFirst : new boolean[] { true, false })
2314	>	for (Integer v1 : new Integer[] { 1, null })
2315	>	{
2316	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2317	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2318	>	final IncFunction[] rs = new IncFunction[6];
2319	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2320
2321	<	/**
2322	<	* thenApplyAsync result completes normally after normal completion of source
2323	<	*/
2324	<	public void testThenApplyAsyncE() {
2325	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2326	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2325	<	f.complete(one);
2326	<	checkCompletedNormally(g, two);
2327	<	}
2321	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2322	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2323	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2324	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2325	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2326	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2327
2328	<	/**
2329	<	* thenApplyAsync result completes exceptionally after exceptional
2330	<	* completion of source
2331	<	*/
2332	<	public void testThenApplyAsync2E() {
2333	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2334	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2335	<	f.completeExceptionally(new CFException());
2336	<	checkCompletedWithWrappedCFException(g);
2337	<	}
2328	>	// unspecified behavior - both source completions available
2329	>	try {
2330	>	assertEquals(inc(v1), h0.join());
2331	>	rs[0].assertValue(inc(v1));
2332	>	} catch (CompletionException ok) {
2333	>	checkCompletedWithWrappedCancellationException(h0);
2334	>	rs[0].assertNotInvoked();
2335	>	}
2336	>	try {
2337	>	assertEquals(inc(v1), h1.join());
2338	>	rs[1].assertValue(inc(v1));
2339	>	} catch (CompletionException ok) {
2340	>	checkCompletedWithWrappedCancellationException(h1);
2341	>	rs[1].assertNotInvoked();
2342	>	}
2343	>	try {
2344	>	assertEquals(inc(v1), h2.join());
2345	>	rs[2].assertValue(inc(v1));
2346	>	} catch (CompletionException ok) {
2347	>	checkCompletedWithWrappedCancellationException(h2);
2348	>	rs[2].assertNotInvoked();
2349	>	}
2350	>	try {
2351	>	assertEquals(inc(v1), h3.join());
2352	>	rs[3].assertValue(inc(v1));
2353	>	} catch (CompletionException ok) {
2354	>	checkCompletedWithWrappedCancellationException(h3);
2355	>	rs[3].assertNotInvoked();
2356	>	}
2357
2358	<	/**
2359	<	* thenApplyAsync result completes exceptionally if action does
2360	<	*/
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	<	}
2358	>	checkCompletedNormally(f, v1);
2359	>	checkCancelled(g);
2360	>	}}
2361
2362		/**
2363	<	* thenApplyAsync result completes exceptionally if source cancelled
2363	>	* applyToEither result completes exceptionally if action does
2364		*/
2365	<	public void testThenApplyAsync4E() {
2366	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2367	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2368	<	assertTrue(f.cancel(true));
2369	<	checkCompletedWithWrappedCancellationException(g);
2370	<	}
2365	>	public void testApplyToEither_actionFailed() {
2366	>	for (ExecutionMode m : ExecutionMode.values())
2367	>	for (Integer v1 : new Integer[] { 1, null })
2368	>	for (Integer v2 : new Integer[] { 2, null })
2369	>	{
2370	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2371	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2372	>	final FailingFunction[] rs = new FailingFunction[6];
2373	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2374
2375	<	/**
2376	<	* thenAcceptAsync result completes normally after normal
2377	<	* completion of source
2378	<	*/
2379	<	public void testThenAcceptAsyncE() {
2380	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2381	<	IncAction r = new IncAction();
2382	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2383	<	f.complete(one);
2384	<	checkCompletedNormally(g, null);
2371	<	assertEquals(r.value, 2);
2372	<	}
2375	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2376	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2377	>	f.complete(v1);
2378	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2379	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2380	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2381	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2382	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2383	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2384	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2385
2386	<	/**
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	<	}
2386	>	g.complete(v2);
2387
2388	<	/**
2389	<	* thenAcceptAsync result completes exceptionally if action does
2390	<	*/
2391	<	public void testThenAcceptAsync3E() {
2392	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2393	<	FailingConsumer r = new FailingConsumer();
2394	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2395	<	f.complete(null);
2396	<	checkCompletedWithWrappedCFException(g);
2397	<	}
2388	>	// unspecified behavior - both source completions available
2389	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2390	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2391	>
2392	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2393	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2394	>	Objects.equals(v2, rs[4].value));
2395	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2396	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2397	>	Objects.equals(v2, rs[5].value));
2398
2399	<	/**
2400	<	* thenAcceptAsync result completes exceptionally if source cancelled
2401	<	*/
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	<	}
2399	>	checkCompletedNormally(f, v1);
2400	>	checkCompletedNormally(g, v2);
2401	>	}}
2402
2403		/**
2404	<	* thenCombineAsync result completes normally after normal
2405	<	* completion of sources
2404	>	* acceptEither result completes normally after normal completion
2405	>	* of either source
2406		*/
2407	<	public void testThenCombineAsyncE() {
2408	<	CompletableFuture<Integer> f, g, h;
2409	<	ThreadExecutor e = new ThreadExecutor();
2410	<	int count = 0;
2407	>	public void testAcceptEither_normalCompletion() {
2408	>	for (ExecutionMode m : ExecutionMode.values())
2409	>	for (Integer v1 : new Integer[] { 1, null })
2410	>	for (Integer v2 : new Integer[] { 2, null })
2411	>	{
2412	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2413	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2414	>	final NoopConsumer[] rs = new NoopConsumer[6];
2415	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2416
2417	<	f = new CompletableFuture<>();
2418	<	g = new CompletableFuture<>();
2419	<	h = f.thenCombineAsync(g, subtract, e);
2420	<	f.complete(3);
2421	<	checkIncomplete(h);
2422	<	g.complete(1);
2423	<	checkCompletedNormally(h, 2);
2424	<	assertEquals(++count, e.count.get());
2417	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2418	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2419	>	checkIncomplete(h0);
2420	>	checkIncomplete(h1);
2421	>	rs[0].assertNotInvoked();
2422	>	rs[1].assertNotInvoked();
2423	>	f.complete(v1);
2424	>	checkCompletedNormally(h0, null);
2425	>	checkCompletedNormally(h1, null);
2426	>	rs[0].assertValue(v1);
2427	>	rs[1].assertValue(v1);
2428	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2429	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2430	>	checkCompletedNormally(h2, null);
2431	>	checkCompletedNormally(h3, null);
2432	>	rs[2].assertValue(v1);
2433	>	rs[3].assertValue(v1);
2434	>	g.complete(v2);
2435
2436	<	f = new CompletableFuture<>();
2437	<	g = new CompletableFuture<>();
2438	<	h = f.thenCombineAsync(g, subtract, e);
2439	<	g.complete(1);
2440	<	checkIncomplete(h);
2441	<	f.complete(3);
2442	<	checkCompletedNormally(h, 2);
2443	<	assertEquals(++count, e.count.get());
2436	>	// unspecified behavior - both source completions available
2437	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2438	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2439	>	checkCompletedNormally(h4, null);
2440	>	checkCompletedNormally(h5, null);
2441	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2442	>	Objects.equals(v2, rs[4].value));
2443	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2444	>	Objects.equals(v2, rs[5].value));
2445
2446	<	f = new CompletableFuture<>();
2447	<	g = new CompletableFuture<>();
2448	<	g.complete(1);
2449	<	f.complete(3);
2450	<	h = f.thenCombineAsync(g, subtract, e);
2451	<	checkCompletedNormally(h, 2);
2452	<	assertEquals(++count, e.count.get());
2453	<	}
2446	>	checkCompletedNormally(f, v1);
2447	>	checkCompletedNormally(g, v2);
2448	>	checkCompletedNormally(h0, null);
2449	>	checkCompletedNormally(h1, null);
2450	>	checkCompletedNormally(h2, null);
2451	>	checkCompletedNormally(h3, null);
2452	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2453	>	}}
2454
2455		/**
2456	<	* thenCombineAsync result completes exceptionally after exceptional
2456	>	* acceptEither result completes exceptionally after exceptional
2457		* completion of either source
2458		*/
2459	<	public void testThenCombineAsync2E() {
2460	<	CompletableFuture<Integer> f, g, h;
2461	<	ThreadExecutor e = new ThreadExecutor();
2462	<	int count = 0;
2463	<
2464	<	f = new CompletableFuture<>();
2465	<	g = new CompletableFuture<>();
2466	<	h = f.thenCombineAsync(g, subtract, e);
2467	<	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);
2459	>	public void testAcceptEither_exceptionalCompletion() {
2460	>	for (ExecutionMode m : ExecutionMode.values())
2461	>	for (Integer v1 : new Integer[] { 1, null })
2462	>	{
2463	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2464	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2465	>	final CFException ex = new CFException();
2466	>	final NoopConsumer[] rs = new NoopConsumer[6];
2467	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2468
2469	<	assertEquals(0, e.count.get());
2470	<	}
2469	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2470	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2471	>	checkIncomplete(h0);
2472	>	checkIncomplete(h1);
2473	>	rs[0].assertNotInvoked();
2474	>	rs[1].assertNotInvoked();
2475	>	f.completeExceptionally(ex);
2476	>	checkCompletedWithWrappedException(h0, ex);
2477	>	checkCompletedWithWrappedException(h1, ex);
2478	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2479	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2480	>	checkCompletedWithWrappedException(h2, ex);
2481	>	checkCompletedWithWrappedException(h3, ex);
2482
2483	<	/**
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	<	}
2483	>	g.complete(v1);
2484
2485	<	/**
2486	<	* thenCombineAsync result completes exceptionally if either source cancelled
2487	<	*/
2488	<	public void testThenCombineAsync4E() {
2489	<	CompletableFuture<Integer> f, g, h;
2490	<	ThreadExecutor e = new ThreadExecutor();
2485	>	// unspecified behavior - both source completions available
2486	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2487	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2488	>	try {
2489	>	assertNull(h4.join());
2490	>	rs[4].assertValue(v1);
2491	>	} catch (CompletionException ok) {
2492	>	checkCompletedWithWrappedException(h4, ex);
2493	>	rs[4].assertNotInvoked();
2494	>	}
2495	>	try {
2496	>	assertNull(h5.join());
2497	>	rs[5].assertValue(v1);
2498	>	} catch (CompletionException ok) {
2499	>	checkCompletedWithWrappedException(h5, ex);
2500	>	rs[5].assertNotInvoked();
2501	>	}
2502
2503	<	f = new CompletableFuture<>();
2504	<	g = new CompletableFuture<>();
2505	<	h = f.thenCombineAsync(g, subtract, e);
2506	<	assertTrue(f.cancel(true));
2507	<	checkIncomplete(h);
2508	<	g.complete(1);
2509	<	checkCompletedWithWrappedCancellationException(h);
2503	>	checkCompletedExceptionally(f, ex);
2504	>	checkCompletedNormally(g, v1);
2505	>	checkCompletedWithWrappedException(h0, ex);
2506	>	checkCompletedWithWrappedException(h1, ex);
2507	>	checkCompletedWithWrappedException(h2, ex);
2508	>	checkCompletedWithWrappedException(h3, ex);
2509	>	checkCompletedWithWrappedException(h4, ex);
2510	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2511	>	}}
2512
2513	<	f = new CompletableFuture<>();
2514	<	g = new CompletableFuture<>();
2515	<	h = f.thenCombineAsync(g, subtract, e);
2516	<	assertTrue(g.cancel(true));
2517	<	checkIncomplete(h);
2518	<	f.complete(3);
2519	<	checkCompletedWithWrappedCancellationException(h);
2513	>	public void testAcceptEither_exceptionalCompletion2() {
2514	>	for (ExecutionMode m : ExecutionMode.values())
2515	>	for (boolean fFirst : new boolean[] { true, false })
2516	>	for (Integer v1 : new Integer[] { 1, null })
2517	>	{
2518	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2519	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2520	>	final CFException ex = new CFException();
2521	>	final NoopConsumer[] rs = new NoopConsumer[6];
2522	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2523
2524	<	f = new CompletableFuture<>();
2525	<	g = new CompletableFuture<>();
2526	<	assertTrue(g.cancel(true));
2527	<	h = f.thenCombineAsync(g, subtract, e);
2528	<	checkIncomplete(h);
2529	<	f.complete(3);
2525	<	checkCompletedWithWrappedCancellationException(h);
2524	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2525	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2526	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2527	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2528	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2529	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2530
2531	<	f = new CompletableFuture<>();
2532	<	g = new CompletableFuture<>();
2533	<	assertTrue(f.cancel(true));
2534	<	assertTrue(g.cancel(true));
2535	<	h = f.thenCombineAsync(g, subtract, e);
2536	<	checkCompletedWithWrappedCancellationException(h);
2531	>	// unspecified behavior - both source completions available
2532	>	try {
2533	>	assertEquals(null, h0.join());
2534	>	rs[0].assertValue(v1);
2535	>	} catch (CompletionException ok) {
2536	>	checkCompletedWithWrappedException(h0, ex);
2537	>	rs[0].assertNotInvoked();
2538	>	}
2539	>	try {
2540	>	assertEquals(null, h1.join());
2541	>	rs[1].assertValue(v1);
2542	>	} catch (CompletionException ok) {
2543	>	checkCompletedWithWrappedException(h1, ex);
2544	>	rs[1].assertNotInvoked();
2545	>	}
2546	>	try {
2547	>	assertEquals(null, h2.join());
2548	>	rs[2].assertValue(v1);
2549	>	} catch (CompletionException ok) {
2550	>	checkCompletedWithWrappedException(h2, ex);
2551	>	rs[2].assertNotInvoked();
2552	>	}
2553	>	try {
2554	>	assertEquals(null, h3.join());
2555	>	rs[3].assertValue(v1);
2556	>	} catch (CompletionException ok) {
2557	>	checkCompletedWithWrappedException(h3, ex);
2558	>	rs[3].assertNotInvoked();
2559	>	}
2560
2561	<	assertEquals(0, e.count.get());
2562	<	}
2561	>	checkCompletedNormally(f, v1);
2562	>	checkCompletedExceptionally(g, ex);
2563	>	}}
2564
2565		/**
2566	<	* thenAcceptBothAsync result completes normally after normal
2539	<	* completion of sources
2566	>	* acceptEither result completes exceptionally if either source cancelled
2567		*/
2568	<	public void testThenAcceptBothAsyncE() {
2569	<	CompletableFuture<Integer> f, g;
2570	<	CompletableFuture<Void> h;
2571	<	SubtractAction r;
2572	<	ThreadExecutor e = new ThreadExecutor();
2568	>	public void testAcceptEither_sourceCancelled() {
2569	>	for (ExecutionMode m : ExecutionMode.values())
2570	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2571	>	for (Integer v1 : new Integer[] { 1, null })
2572	>	{
2573	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2574	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2575	>	final NoopConsumer[] rs = new NoopConsumer[6];
2576	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2577
2578	<	f = new CompletableFuture<>();
2579	<	g = new CompletableFuture<>();
2580	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2581	<	f.complete(3);
2582	<	checkIncomplete(h);
2583	<	g.complete(1);
2584	<	checkCompletedNormally(h, null);
2585	<	assertEquals(r.value, 2);
2578	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2579	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2580	>	checkIncomplete(h0);
2581	>	checkIncomplete(h1);
2582	>	rs[0].assertNotInvoked();
2583	>	rs[1].assertNotInvoked();
2584	>	f.cancel(mayInterruptIfRunning);
2585	>	checkCompletedWithWrappedCancellationException(h0);
2586	>	checkCompletedWithWrappedCancellationException(h1);
2587	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2588	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2589	>	checkCompletedWithWrappedCancellationException(h2);
2590	>	checkCompletedWithWrappedCancellationException(h3);
2591
2592	<	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);
2592	>	g.complete(v1);
2593
2594	<	f = new CompletableFuture<>();
2595	<	g = new CompletableFuture<>();
2596	<	g.complete(1);
2597	<	f.complete(3);
2598	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2599	<	checkCompletedNormally(h, null);
2600	<	assertEquals(r.value, 2);
2594	>	// unspecified behavior - both source completions available
2595	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2596	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2597	>	try {
2598	>	assertNull(h4.join());
2599	>	rs[4].assertValue(v1);
2600	>	} catch (CompletionException ok) {
2601	>	checkCompletedWithWrappedCancellationException(h4);
2602	>	rs[4].assertNotInvoked();
2603	>	}
2604	>	try {
2605	>	assertNull(h5.join());
2606	>	rs[5].assertValue(v1);
2607	>	} catch (CompletionException ok) {
2608	>	checkCompletedWithWrappedCancellationException(h5);
2609	>	rs[5].assertNotInvoked();
2610	>	}
2611
2612	<	assertEquals(3, e.count.get());
2613	<	}
2612	>	checkCancelled(f);
2613	>	checkCompletedNormally(g, v1);
2614	>	checkCompletedWithWrappedCancellationException(h0);
2615	>	checkCompletedWithWrappedCancellationException(h1);
2616	>	checkCompletedWithWrappedCancellationException(h2);
2617	>	checkCompletedWithWrappedCancellationException(h3);
2618	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2619	>	}}
2620
2621		/**
2622	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2578	<	* completion of source
2622	>	* acceptEither result completes exceptionally if action does
2623		*/
2624	<	public void testThenAcceptBothAsync2E() {
2625	<	CompletableFuture<Integer> f, g;
2626	<	CompletableFuture<Void> h;
2627	<	SubtractAction r;
2628	<	ThreadExecutor e = new ThreadExecutor();
2629	<
2630	<	f = new CompletableFuture<>();
2631	<	g = new CompletableFuture<>();
2632	<	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	<	}
2624	>	public void testAcceptEither_actionFailed() {
2625	>	for (ExecutionMode m : ExecutionMode.values())
2626	>	for (Integer v1 : new Integer[] { 1, null })
2627	>	for (Integer v2 : new Integer[] { 2, null })
2628	>	{
2629	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2630	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2631	>	final FailingConsumer[] rs = new FailingConsumer[6];
2632	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2633
2634	<	/**
2635	<	* thenAcceptBothAsync result completes exceptionally if action does
2636	<	*/
2637	<	public void testThenAcceptBothAsync3E() {
2638	<	CompletableFuture<Integer> f, g;
2639	<	CompletableFuture<Void> h;
2640	<	FailingBiConsumer r;
2641	<	ThreadExecutor e = new ThreadExecutor();
2634	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2635	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2636	>	f.complete(v1);
2637	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2638	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2639	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2640	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2641	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2642	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2643	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2644
2645	<	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);
2645	>	g.complete(v2);
2646
2647	<	f = new CompletableFuture<>();
2648	<	g = new CompletableFuture<>();
2649	<	f.complete(3);
2650	<	g.complete(1);
2651	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2652	<	checkCompletedWithWrappedCFException(h);
2647	>	// unspecified behavior - both source completions available
2648	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2649	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2650	>
2651	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2652	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2653	>	Objects.equals(v2, rs[4].value));
2654	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2655	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2656	>	Objects.equals(v2, rs[5].value));
2657
2658	<	assertEquals(2, e.count.get());
2659	<	}
2658	>	checkCompletedNormally(f, v1);
2659	>	checkCompletedNormally(g, v2);
2660	>	}}
2661
2662		/**
2663	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2663	>	* runAfterEither result completes normally after normal completion
2664	>	* of either source
2665		*/
2666	<	public void testThenAcceptBothAsync4E() {
2667	<	CompletableFuture<Integer> f, g;
2668	<	CompletableFuture<Void> h;
2669	<	SubtractAction r;
2670	<	ThreadExecutor e = new ThreadExecutor();
2671	<
2672	<	f = new CompletableFuture<>();
2673	<	g = new CompletableFuture<>();
2674	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2658	<	assertTrue(f.cancel(true));
2659	<	checkIncomplete(h);
2660	<	g.complete(1);
2661	<	checkCompletedWithWrappedCancellationException(h);
2666	>	public void testRunAfterEither_normalCompletion() {
2667	>	for (ExecutionMode m : ExecutionMode.values())
2668	>	for (Integer v1 : new Integer[] { 1, null })
2669	>	for (Integer v2 : new Integer[] { 2, null })
2670	>	{
2671	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2672	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2673	>	final Noop[] rs = new Noop[6];
2674	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2675
2676	<	f = new CompletableFuture<>();
2677	<	g = new CompletableFuture<>();
2678	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2679	<	assertTrue(g.cancel(true));
2680	<	checkIncomplete(h);
2681	<	f.complete(3);
2682	<	checkCompletedWithWrappedCancellationException(h);
2676	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2677	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2678	>	checkIncomplete(h0);
2679	>	checkIncomplete(h1);
2680	>	rs[0].assertNotInvoked();
2681	>	rs[1].assertNotInvoked();
2682	>	f.complete(v1);
2683	>	checkCompletedNormally(h0, null);
2684	>	checkCompletedNormally(h1, null);
2685	>	rs[0].assertInvoked();
2686	>	rs[1].assertInvoked();
2687	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2688	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2689	>	checkCompletedNormally(h2, null);
2690	>	checkCompletedNormally(h3, null);
2691	>	rs[2].assertInvoked();
2692	>	rs[3].assertInvoked();
2693
2694	<	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);
2694	>	g.complete(v2);
2695
2696	<	f = new CompletableFuture<>();
2697	<	g = new CompletableFuture<>();
2680	<	assertTrue(f.cancel(true));
2681	<	g.complete(3);
2682	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2683	<	checkCompletedWithWrappedCancellationException(h);
2696	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2697	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2698
2699	<	assertEquals(0, e.count.get());
2700	<	}
2699	>	checkCompletedNormally(f, v1);
2700	>	checkCompletedNormally(g, v2);
2701	>	checkCompletedNormally(h0, null);
2702	>	checkCompletedNormally(h1, null);
2703	>	checkCompletedNormally(h2, null);
2704	>	checkCompletedNormally(h3, null);
2705	>	checkCompletedNormally(h4, null);
2706	>	checkCompletedNormally(h5, null);
2707	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2708	>	}}
2709
2710		/**
2711	<	* applyToEitherAsync result completes normally after normal
2712	<	* completion of sources
2711	>	* runAfterEither result completes exceptionally after exceptional
2712	>	* completion of either source
2713		*/
2714	<	public void testApplyToEitherAsyncE() {
2715	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2716	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2717	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2718	<	f.complete(one);
2719	<	checkCompletedNormally(g, two);
2714	>	public void testRunAfterEither_exceptionalCompletion() {
2715	>	for (ExecutionMode m : ExecutionMode.values())
2716	>	for (Integer v1 : new Integer[] { 1, null })
2717	>	{
2718	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2719	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2720	>	final CFException ex = new CFException();
2721	>	final Noop[] rs = new Noop[6];
2722	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2723
2724	<	f = new CompletableFuture<>();
2725	<	f.complete(one);
2726	<	f2 = new CompletableFuture<>();
2727	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2728	<	checkCompletedNormally(g, two);
2729	<	}
2724	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2725	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2726	>	checkIncomplete(h0);
2727	>	checkIncomplete(h1);
2728	>	rs[0].assertNotInvoked();
2729	>	rs[1].assertNotInvoked();
2730	>	assertTrue(f.completeExceptionally(ex));
2731	>	checkCompletedWithWrappedException(h0, ex);
2732	>	checkCompletedWithWrappedException(h1, ex);
2733	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2734	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2735	>	checkCompletedWithWrappedException(h2, ex);
2736	>	checkCompletedWithWrappedException(h3, ex);
2737	>
2738	>	assertTrue(g.complete(v1));
2739	>
2740	>	// unspecified behavior - both source completions available
2741	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2742	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2743	>	try {
2744	>	assertNull(h4.join());
2745	>	rs[4].assertInvoked();
2746	>	} catch (CompletionException ok) {
2747	>	checkCompletedWithWrappedException(h4, ex);
2748	>	rs[4].assertNotInvoked();
2749	>	}
2750	>	try {
2751	>	assertNull(h5.join());
2752	>	rs[5].assertInvoked();
2753	>	} catch (CompletionException ok) {
2754	>	checkCompletedWithWrappedException(h5, ex);
2755	>	rs[5].assertNotInvoked();
2756	>	}
2757
2758	<	/**
2759	<	* applyToEitherAsync result completes exceptionally after exceptional
2760	<	* completion of source
2761	<	*/
2762	<	public void testApplyToEitherAsync2E() {
2763	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2764	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2765	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2766	<	f.completeExceptionally(new CFException());
2715	<	checkCompletedWithWrappedCFException(g);
2758	>	checkCompletedExceptionally(f, ex);
2759	>	checkCompletedNormally(g, v1);
2760	>	checkCompletedWithWrappedException(h0, ex);
2761	>	checkCompletedWithWrappedException(h1, ex);
2762	>	checkCompletedWithWrappedException(h2, ex);
2763	>	checkCompletedWithWrappedException(h3, ex);
2764	>	checkCompletedWithWrappedException(h4, ex);
2765	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2766	>	}}
2767
2768	<	f = new CompletableFuture<>();
2769	<	f2 = new CompletableFuture<>();
2770	<	f2.completeExceptionally(new CFException());
2771	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2772	<	f.complete(one);
2773	<	checkCompletedWithWrappedCFException(g);
2774	<	}
2768	>	public void testRunAfterEither_exceptionalCompletion2() {
2769	>	for (ExecutionMode m : ExecutionMode.values())
2770	>	for (boolean fFirst : new boolean[] { true, false })
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	<	/**
2780	<	* applyToEitherAsync result completes exceptionally if action does
2781	<	*/
2782	<	public void testApplyToEitherAsync3E() {
2783	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2784	<	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	<	}
2779	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2780	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2781	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2782	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2783	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2784	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2785
2786	<	/**
2787	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2788	<	*/
2789	<	public void testApplyToEitherAsync4E() {
2790	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2791	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2792	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2793	<	assertTrue(f.cancel(true));
2794	<	checkCompletedWithWrappedCancellationException(g);
2786	>	// unspecified behavior - both source completions available
2787	>	try {
2788	>	assertEquals(null, h0.join());
2789	>	rs[0].assertInvoked();
2790	>	} catch (CompletionException ok) {
2791	>	checkCompletedWithWrappedException(h0, ex);
2792	>	rs[0].assertNotInvoked();
2793	>	}
2794	>	try {
2795	>	assertEquals(null, h1.join());
2796	>	rs[1].assertInvoked();
2797	>	} catch (CompletionException ok) {
2798	>	checkCompletedWithWrappedException(h1, ex);
2799	>	rs[1].assertNotInvoked();
2800	>	}
2801	>	try {
2802	>	assertEquals(null, h2.join());
2803	>	rs[2].assertInvoked();
2804	>	} catch (CompletionException ok) {
2805	>	checkCompletedWithWrappedException(h2, ex);
2806	>	rs[2].assertNotInvoked();
2807	>	}
2808	>	try {
2809	>	assertEquals(null, h3.join());
2810	>	rs[3].assertInvoked();
2811	>	} catch (CompletionException ok) {
2812	>	checkCompletedWithWrappedException(h3, ex);
2813	>	rs[3].assertNotInvoked();
2814	>	}
2815
2816	<	f = new CompletableFuture<>();
2817	<	f2 = new CompletableFuture<>();
2818	<	assertTrue(f2.cancel(true));
2750	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2751	<	checkCompletedWithWrappedCancellationException(g);
2752	<	}
2816	>	checkCompletedNormally(f, v1);
2817	>	checkCompletedExceptionally(g, ex);
2818	>	}}
2819
2820		/**
2821	<	* acceptEitherAsync result completes normally after normal
2756	<	* completion of sources
2821	>	* runAfterEither result completes exceptionally if either source cancelled
2822		*/
2823	<	public void testAcceptEitherAsyncE() {
2824	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2825	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2826	<	IncAction r = new IncAction();
2827	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2828	<	f.complete(one);
2829	<	checkCompletedNormally(g, null);
2830	<	assertEquals(r.value, 2);
2831	<
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	<	}
2823	>	public void testRunAfterEither_sourceCancelled() {
2824	>	for (ExecutionMode m : ExecutionMode.values())
2825	>	for (boolean mayInterruptIfRunning : 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 Noop[] rs = new Noop[6];
2831	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2832
2833	<	/**
2834	<	* acceptEitherAsync result completes exceptionally after exceptional
2835	<	* completion of source
2836	<	*/
2837	<	public void testAcceptEitherAsync2E() {
2838	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2839	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2840	<	IncAction r = new IncAction();
2841	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2842	<	f.completeExceptionally(new CFException());
2843	<	checkCompletedWithWrappedCFException(g);
2833	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2834	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2835	>	checkIncomplete(h0);
2836	>	checkIncomplete(h1);
2837	>	rs[0].assertNotInvoked();
2838	>	rs[1].assertNotInvoked();
2839	>	f.cancel(mayInterruptIfRunning);
2840	>	checkCompletedWithWrappedCancellationException(h0);
2841	>	checkCompletedWithWrappedCancellationException(h1);
2842	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2843	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2844	>	checkCompletedWithWrappedCancellationException(h2);
2845	>	checkCompletedWithWrappedCancellationException(h3);
2846	>
2847	>	assertTrue(g.complete(v1));
2848	>
2849	>	// unspecified behavior - both source completions available
2850	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2851	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2852	>	try {
2853	>	assertNull(h4.join());
2854	>	rs[4].assertInvoked();
2855	>	} catch (CompletionException ok) {
2856	>	checkCompletedWithWrappedCancellationException(h4);
2857	>	rs[4].assertNotInvoked();
2858	>	}
2859	>	try {
2860	>	assertNull(h5.join());
2861	>	rs[5].assertInvoked();
2862	>	} catch (CompletionException ok) {
2863	>	checkCompletedWithWrappedCancellationException(h5);
2864	>	rs[5].assertNotInvoked();
2865	>	}
2866
2867	<	r = new IncAction();
2868	<	f = new CompletableFuture<>();
2869	<	f2 = new CompletableFuture<>();
2870	<	f2.completeExceptionally(new CFException());
2871	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2872	<	f.complete(one);
2873	<	checkCompletedWithWrappedCFException(g);
2874	<	}
2867	>	checkCancelled(f);
2868	>	checkCompletedNormally(g, v1);
2869	>	checkCompletedWithWrappedCancellationException(h0);
2870	>	checkCompletedWithWrappedCancellationException(h1);
2871	>	checkCompletedWithWrappedCancellationException(h2);
2872	>	checkCompletedWithWrappedCancellationException(h3);
2873	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2874	>	}}
2875
2876		/**
2877	<	* acceptEitherAsync result completes exceptionally if action does
2877	>	* runAfterEither result completes exceptionally if action does
2878		*/
2879	<	public void testAcceptEitherAsync3E() {
2880	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2881	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2882	<	FailingConsumer r = new FailingConsumer();
2883	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2884	<	f.complete(one);
2885	<	checkCompletedWithWrappedCFException(g);
2886	<	}
2879	>	public void testRunAfterEither_actionFailed() {
2880	>	for (ExecutionMode m : ExecutionMode.values())
2881	>	for (Integer v1 : new Integer[] { 1, null })
2882	>	for (Integer v2 : new Integer[] { 2, null })
2883	>	{
2884	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2885	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2886	>	final FailingRunnable[] rs = new FailingRunnable[6];
2887	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2888
2889	<	/**
2890	<	* acceptEitherAsync result completes exceptionally if either
2891	<	* source cancelled
2892	<	*/
2893	<	public void testAcceptEitherAsync4E() {
2894	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2895	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2896	<	IncAction r = new IncAction();
2897	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2898	<	assertTrue(f.cancel(true));
2899	<	checkCompletedWithWrappedCancellationException(g);
2889	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2890	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2891	>	assertTrue(f.complete(v1));
2892	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2893	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2894	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2895	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2896	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2897	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2898	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2899	>	assertTrue(g.complete(v2));
2900	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2901	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2902	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2903	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2904
2905	<	r = new IncAction();
2906	<	f = new CompletableFuture<>();
2907	<	f2 = new CompletableFuture<>();
2908	<	assertTrue(f2.cancel(true));
2825	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2826	<	checkCompletedWithWrappedCancellationException(g);
2827	<	}
2905	>	checkCompletedNormally(f, v1);
2906	>	checkCompletedNormally(g, v2);
2907	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2908	>	}}
2909
2910		/**
2911	<	* runAfterEitherAsync result completes normally after normal
2831	<	* completion of sources
2911	>	* thenCompose result completes normally after normal completion of source
2912		*/
2913	<	public void testRunAfterEitherAsyncE() {
2914	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2915	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2916	<	Noop r = new Noop();
2917	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2918	<	f.complete(one);
2919	<	checkCompletedNormally(g, null);
2920	<	assertTrue(r.ran);
2913	>	public void testThenCompose_normalCompletion() {
2914	>	for (ExecutionMode m : ExecutionMode.values())
2915	>	for (boolean createIncomplete : new boolean[] { true, false })
2916	>	for (Integer v1 : new Integer[] { 1, null })
2917	>	{
2918	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2919	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2920	>	if (!createIncomplete) assertTrue(f.complete(v1));
2921	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2922	>	if (createIncomplete) assertTrue(f.complete(v1));
2923
2924	<	r = new Noop();
2925	<	f = new CompletableFuture<>();
2926	<	f.complete(one);
2927	<	f2 = new CompletableFuture<>();
2846	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2847	<	checkCompletedNormally(g, null);
2848	<	assertTrue(r.ran);
2849	<	}
2924	>	checkCompletedNormally(g, inc(v1));
2925	>	checkCompletedNormally(f, v1);
2926	>	r.assertValue(v1);
2927	>	}}
2928
2929		/**
2930	<	* runAfterEitherAsync result completes exceptionally after exceptional
2930	>	* thenCompose result completes exceptionally after exceptional
2931		* completion of source
2932		*/
2933	<	public void testRunAfterEitherAsync2E() {
2934	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2935	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2936	<	Noop r = new Noop();
2937	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2938	<	f.completeExceptionally(new CFException());
2939	<	checkCompletedWithWrappedCFException(g);
2940	<
2941	<	r = new Noop();
2942	<	f = new CompletableFuture<>();
2943	<	f2 = new CompletableFuture<>();
2944	<	f2.completeExceptionally(new CFException());
2945	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2946	<	f.complete(one);
2947	<	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	<	}
2933	>	public void testThenCompose_exceptionalCompletion() {
2934	>	for (ExecutionMode m : ExecutionMode.values())
2935	>	for (boolean createIncomplete : new boolean[] { true, false })
2936	>	{
2937	>	final CFException ex = new CFException();
2938	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2939	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2940	>	if (!createIncomplete) f.completeExceptionally(ex);
2941	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2942	>	if (createIncomplete) f.completeExceptionally(ex);
2943	>
2944	>	checkCompletedWithWrappedException(g, ex);
2945	>	checkCompletedExceptionally(f, ex);
2946	>	r.assertNotInvoked();
2947	>	}}
2948
2949		/**
2950	<	* runAfterEitherAsync result completes exceptionally if either
2886	<	* source cancelled
2950	>	* thenCompose result completes exceptionally if action does
2951		*/
2952	<	public void testRunAfterEitherAsync4E() {
2953	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2954	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2955	<	Noop r = new Noop();
2956	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2957	<	assertTrue(f.cancel(true));
2958	<	checkCompletedWithWrappedCancellationException(g);
2952	>	public void testThenCompose_actionFailed() {
2953	>	for (ExecutionMode m : ExecutionMode.values())
2954	>	for (boolean createIncomplete : new boolean[] { true, false })
2955	>	for (Integer v1 : new Integer[] { 1, null })
2956	>	{
2957	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2958	>	final FailingCompletableFutureFunction r
2959	>	= new FailingCompletableFutureFunction(m);
2960	>	if (!createIncomplete) assertTrue(f.complete(v1));
2961	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2962	>	if (createIncomplete) assertTrue(f.complete(v1));
2963
2964	<	r = new Noop();
2965	<	f = new CompletableFuture<>();
2966	<	f2 = new CompletableFuture<>();
2899	<	assertTrue(f2.cancel(true));
2900	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2901	<	checkCompletedWithWrappedCancellationException(g);
2902	<	}
2964	>	checkCompletedWithWrappedException(g, r.ex);
2965	>	checkCompletedNormally(f, v1);
2966	>	}}
2967
2968		/**
2969	<	* thenComposeAsync result completes normally after normal
2906	<	* completion of source
2969	>	* thenCompose result completes exceptionally if source cancelled
2970		*/
2971	<	public void testThenComposeAsyncE() {
2972	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2973	<	CompletableFutureInc r = new CompletableFutureInc();
2974	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2975	<	f.complete(one);
2976	<	checkCompletedNormally(g, two);
2977	<	}
2971	>	public void testThenCompose_sourceCancelled() {
2972	>	for (ExecutionMode m : ExecutionMode.values())
2973	>	for (boolean createIncomplete : new boolean[] { true, false })
2974	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2975	>	{
2976	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2977	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2978	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2979	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2980	>	if (createIncomplete) {
2981	>	checkIncomplete(g);
2982	>	assertTrue(f.cancel(mayInterruptIfRunning));
2983	>	}
2984
2985	<	/**
2986	<	* thenComposeAsync result completes exceptionally after
2987	<	* 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	<	}
2985	>	checkCompletedWithWrappedCancellationException(g);
2986	>	checkCancelled(f);
2987	>	}}
2988
2989		/**
2990	<	* thenComposeAsync result completes exceptionally if action does
2990	>	* thenCompose result completes exceptionally if the result of the action does
2991		*/
2992	<	public void testThenComposeAsync3E() {
2993	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2994	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2995	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2996	<	f.complete(one);
2997	<	checkCompletedWithWrappedCFException(g);
2998	<	}
2992	>	public void testThenCompose_actionReturnsFailingFuture() {
2993	>	for (ExecutionMode m : ExecutionMode.values())
2994	>	for (int order = 0; order < 6; order++)
2995	>	for (Integer v1 : new Integer[] { 1, null })
2996	>	{
2997	>	final CFException ex = new CFException();
2998	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2999	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3000	>	final CompletableFuture<Integer> h;
3001	>	// Test all permutations of orders
3002	>	switch (order) {
3003	>	case 0:
3004	>	assertTrue(f.complete(v1));
3005	>	assertTrue(g.completeExceptionally(ex));
3006	>	h = m.thenCompose(f, (x -> g));
3007	>	break;
3008	>	case 1:
3009	>	assertTrue(f.complete(v1));
3010	>	h = m.thenCompose(f, (x -> g));
3011	>	assertTrue(g.completeExceptionally(ex));
3012	>	break;
3013	>	case 2:
3014	>	assertTrue(g.completeExceptionally(ex));
3015	>	assertTrue(f.complete(v1));
3016	>	h = m.thenCompose(f, (x -> g));
3017	>	break;
3018	>	case 3:
3019	>	assertTrue(g.completeExceptionally(ex));
3020	>	h = m.thenCompose(f, (x -> g));
3021	>	assertTrue(f.complete(v1));
3022	>	break;
3023	>	case 4:
3024	>	h = m.thenCompose(f, (x -> g));
3025	>	assertTrue(f.complete(v1));
3026	>	assertTrue(g.completeExceptionally(ex));
3027	>	break;
3028	>	case 5:
3029	>	h = m.thenCompose(f, (x -> g));
3030	>	assertTrue(f.complete(v1));
3031	>	assertTrue(g.completeExceptionally(ex));
3032	>	break;
3033	>	default: throw new AssertionError();
3034	>	}
3035
3036	<	/**
3037	<	* thenComposeAsync result completes exceptionally if source cancelled
3038	<	*/
3039	<	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	<	}
3036	>	checkCompletedExceptionally(g, ex);
3037	>	checkCompletedWithWrappedException(h, ex);
3038	>	checkCompletedNormally(f, v1);
3039	>	}}
3040
3041		// other static methods
3042
#	Line 2963 | Line 3054 | public class CompletableFutureTest exten
3054		* when all components complete normally
3055		*/
3056		public void testAllOf_normal() throws Exception {
3057	<	for (int k = 1; k < 20; ++k) {
3058	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3059	<	for (int i = 0; i < k; ++i)
3057	>	for (int k = 1; k < 10; k++) {
3058	>	CompletableFuture<Integer>[] fs
3059	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3060	>	for (int i = 0; i < k; i++)
3061	>	fs[i] = new CompletableFuture<>();
3062	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3063	>	for (int i = 0; i < k; i++) {
3064	>	checkIncomplete(f);
3065	>	checkIncomplete(CompletableFuture.allOf(fs));
3066	>	fs[i].complete(one);
3067	>	}
3068	>	checkCompletedNormally(f, null);
3069	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3070	>	}
3071	>	}
3072	>
3073	>	public void testAllOf_normal_backwards() throws Exception {
3074	>	for (int k = 1; k < 10; k++) {
3075	>	CompletableFuture<Integer>[] fs
3076	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3077	>	for (int i = 0; i < k; i++)
3078		fs[i] = new CompletableFuture<>();
3079		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3080	<	for (int i = 0; i < k; ++i) {
3080	>	for (int i = k - 1; i >= 0; i--) {
3081		checkIncomplete(f);
3082		checkIncomplete(CompletableFuture.allOf(fs));
3083		fs[i].complete(one);
#	Line 2978 | Line 3087 | public class CompletableFutureTest exten
3087		}
3088		}
3089
3090	+	public void testAllOf_exceptional() throws Exception {
3091	+	for (int k = 1; k < 10; k++) {
3092	+	CompletableFuture<Integer>[] fs
3093	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3094	+	CFException ex = new CFException();
3095	+	for (int i = 0; i < k; i++)
3096	+	fs[i] = new CompletableFuture<>();
3097	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3098	+	for (int i = 0; i < k; i++) {
3099	+	checkIncomplete(f);
3100	+	checkIncomplete(CompletableFuture.allOf(fs));
3101	+	if (i != k / 2) {
3102	+	fs[i].complete(i);
3103	+	checkCompletedNormally(fs[i], i);
3104	+	} else {
3105	+	fs[i].completeExceptionally(ex);
3106	+	checkCompletedExceptionally(fs[i], ex);
3107	+	}
3108	+	}
3109	+	checkCompletedWithWrappedException(f, ex);
3110	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3111	+	}
3112	+	}
3113	+
3114		/**
3115		* anyOf(no component futures) returns an incomplete future
3116		*/
3117		public void testAnyOf_empty() throws Exception {
3118	+	for (Integer v1 : new Integer[] { 1, null })
3119	+	{
3120		CompletableFuture<Object> f = CompletableFuture.anyOf();
3121		checkIncomplete(f);
3122	<	}
3122	>
3123	>	f.complete(v1);
3124	>	checkCompletedNormally(f, v1);
3125	>	}}
3126
3127		/**
3128		* anyOf returns a future completed normally with a value when
3129		* a component future does
3130		*/
3131		public void testAnyOf_normal() throws Exception {
3132	<	for (int k = 0; k < 10; ++k) {
3132	>	for (int k = 0; k < 10; k++) {
3133		CompletableFuture[] fs = new CompletableFuture[k];
3134	<	for (int i = 0; i < k; ++i)
3134	>	for (int i = 0; i < k; i++)
3135		fs[i] = new CompletableFuture<>();
3136		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3137		checkIncomplete(f);
3138	<	for (int i = 0; i < k; ++i) {
3139	<	fs[i].complete(one);
3140	<	checkCompletedNormally(f, one);
3141	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3138	>	for (int i = 0; i < k; i++) {
3139	>	fs[i].complete(i);
3140	>	checkCompletedNormally(f, 0);
3141	>	int x = (int) CompletableFuture.anyOf(fs).join();
3142	>	assertTrue(0 <= x && x <= i);
3143	>	}
3144	>	}
3145	>	}
3146	>	public void testAnyOf_normal_backwards() throws Exception {
3147	>	for (int k = 0; k < 10; k++) {
3148	>	CompletableFuture[] fs = new CompletableFuture[k];
3149	>	for (int i = 0; i < k; i++)
3150	>	fs[i] = new CompletableFuture<>();
3151	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3152	>	checkIncomplete(f);
3153	>	for (int i = k - 1; i >= 0; i--) {
3154	>	fs[i].complete(i);
3155	>	checkCompletedNormally(f, k - 1);
3156	>	int x = (int) CompletableFuture.anyOf(fs).join();
3157	>	assertTrue(i <= x && x <= k - 1);
3158		}
3159		}
3160		}
#	Line 3009 | Line 3163 | public class CompletableFutureTest exten
3163		* anyOf result completes exceptionally when any component does.
3164		*/
3165		public void testAnyOf_exceptional() throws Exception {
3166	<	for (int k = 0; k < 10; ++k) {
3166	>	for (int k = 0; k < 10; k++) {
3167	>	CompletableFuture[] fs = new CompletableFuture[k];
3168	>	CFException[] exs = new CFException[k];
3169	>	for (int i = 0; i < k; i++) {
3170	>	fs[i] = new CompletableFuture<>();
3171	>	exs[i] = new CFException();
3172	>	}
3173	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3174	>	checkIncomplete(f);
3175	>	for (int i = 0; i < k; i++) {
3176	>	fs[i].completeExceptionally(exs[i]);
3177	>	checkCompletedWithWrappedException(f, exs[0]);
3178	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3179	>	}
3180	>	}
3181	>	}
3182	>
3183	>	public void testAnyOf_exceptional_backwards() throws Exception {
3184	>	for (int k = 0; k < 10; k++) {
3185		CompletableFuture[] fs = new CompletableFuture[k];
3186	<	for (int i = 0; i < k; ++i)
3186	>	CFException[] exs = new CFException[k];
3187	>	for (int i = 0; i < k; i++) {
3188		fs[i] = new CompletableFuture<>();
3189	+	exs[i] = new CFException();
3190	+	}
3191		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3192		checkIncomplete(f);
3193	<	for (int i = 0; i < k; ++i) {
3194	<	fs[i].completeExceptionally(new CFException());
3195	<	checkCompletedWithWrappedCFException(f);
3193	>	for (int i = k - 1; i >= 0; i--) {
3194	>	fs[i].completeExceptionally(exs[i]);
3195	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3196		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3197		}
3198		}
#	Line 3030 | Line 3205 | public class CompletableFutureTest exten
3205		CompletableFuture<Integer> f = new CompletableFuture<>();
3206		CompletableFuture<Integer> g = new CompletableFuture<>();
3207		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3033	–	CompletableFuture<?> h;
3208		ThreadExecutor exec = new ThreadExecutor();
3209
3210		Runnable[] throwingActions = {
3211		() -> CompletableFuture.supplyAsync(null),
3212		() -> CompletableFuture.supplyAsync(null, exec),
3213	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3213	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3214
3215		() -> CompletableFuture.runAsync(null),
3216		() -> CompletableFuture.runAsync(null, exec),
#	Line 3109 | Line 3283 | public class CompletableFutureTest exten
3283
3284		() -> f.thenCompose(null),
3285		() -> f.thenComposeAsync(null),
3286	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3286	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3287		() -> f.thenComposeAsync(null, exec),
3288
3289		() -> f.exceptionally(null),
#	Line 3127 | Line 3301 | public class CompletableFutureTest exten
3301		() -> CompletableFuture.anyOf(null, f),
3302
3303		() -> f.obtrudeException(null),
3304	+
3305	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3306	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3307	+	() -> CompletableFuture.delayedExecutor(1L, null),
3308	+
3309	+	() -> f.orTimeout(1L, null),
3310	+	() -> f.completeOnTimeout(42, 1L, null),
3311	+
3312	+	() -> CompletableFuture.failedFuture(null),
3313	+	() -> CompletableFuture.failedStage(null),
3314		};
3315
3316		assertThrows(NullPointerException.class, throwingActions);
3317		assertEquals(0, exec.count.get());
3318		}
3319
3320	+	static class CountingRejectingExecutor implements Executor {
3321	+	final RejectedExecutionException ex = new RejectedExecutionException();
3322	+	final AtomicInteger count = new AtomicInteger(0);
3323	+	public void execute(Runnable r) {
3324	+	count.getAndIncrement();
3325	+	throw ex;
3326	+	}
3327	+	}
3328	+
3329	+	/**
3330	+	* Test submissions to an executor that rejects all tasks.
3331	+	*/
3332	+	public void testRejectingExecutor() {
3333	+	for (Integer v : new Integer[] { 1, null }) {
3334	+
3335	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3336	+
3337	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3338	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3339	+
3340	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3341	+
3342	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3343	+	srcs.add(complete);
3344	+	srcs.add(incomplete);
3345	+
3346	+	for (CompletableFuture<Integer> src : srcs) {
3347	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3348	+	fs.add(src.thenRunAsync(() -> {}, e));
3349	+	fs.add(src.thenAcceptAsync((z) -> {}, e));
3350	+	fs.add(src.thenApplyAsync((z) -> z, e));
3351	+
3352	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3353	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3354	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3355	+
3356	+	fs.add(src.applyToEitherAsync(src, (z) -> z, e));
3357	+	fs.add(src.acceptEitherAsync(src, (z) -> {}, e));
3358	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3359	+
3360	+	fs.add(src.thenComposeAsync((z) -> null, e));
3361	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3362	+	fs.add(src.handleAsync((z, t) -> null, e));
3363	+
3364	+	for (CompletableFuture<?> future : fs) {
3365	+	if (src.isDone())
3366	+	checkCompletedWithWrappedException(future, e.ex);
3367	+	else
3368	+	checkIncomplete(future);
3369	+	}
3370	+	futures.addAll(fs);
3371	+	}
3372	+
3373	+	{
3374	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3375	+
3376	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3377	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3378	+
3379	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3380	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3381	+
3382	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3383	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3384	+
3385	+	for (CompletableFuture<?> future : fs)
3386	+	checkIncomplete(future);
3387	+	futures.addAll(fs);
3388	+	}
3389	+
3390	+	{
3391	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3392	+
3393	+	fs.add(complete.applyToEitherAsync(incomplete, (z) -> z, e));
3394	+	fs.add(incomplete.applyToEitherAsync(complete, (z) -> z, e));
3395	+
3396	+	fs.add(complete.acceptEitherAsync(incomplete, (z) -> {}, e));
3397	+	fs.add(incomplete.acceptEitherAsync(complete, (z) -> {}, e));
3398	+
3399	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3400	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3401	+
3402	+	for (CompletableFuture<?> future : fs)
3403	+	checkCompletedWithWrappedException(future, e.ex);
3404	+	futures.addAll(fs);
3405	+	}
3406	+
3407	+	incomplete.complete(v);
3408	+
3409	+	for (CompletableFuture<?> future : futures)
3410	+	checkCompletedWithWrappedException(future, e.ex);
3411	+
3412	+	assertEquals(futures.size(), e.count.get());
3413	+
3414	+	}
3415	+	}
3416	+
3417	+	/**
3418	+	* Test submissions to an executor that rejects all tasks, but
3419	+	* should never be invoked because the dependent future is
3420	+	* explicitly completed.
3421	+	*/
3422	+	public void testRejectingExecutorNeverInvoked() {
3423	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3424	+
3425	+	for (Integer v : new Integer[] { 1, null }) {
3426	+
3427	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3428	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3429	+
3430	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3431	+
3432	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3433	+	srcs.add(complete);
3434	+	srcs.add(incomplete);
3435	+
3436	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3437	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3438	+	fs.add(incomplete.thenAcceptAsync((z) -> {}, e));
3439	+	fs.add(incomplete.thenApplyAsync((z) -> z, e));
3440	+
3441	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3442	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3443	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3444	+
3445	+	fs.add(incomplete.applyToEitherAsync(incomplete, (z) -> z, e));
3446	+	fs.add(incomplete.acceptEitherAsync(incomplete, (z) -> {}, e));
3447	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3448	+
3449	+	fs.add(incomplete.thenComposeAsync((z) -> null, e));
3450	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3451	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3452	+
3453	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3454	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3455	+
3456	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3457	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3458	+
3459	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3460	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3461	+
3462	+	for (CompletableFuture<?> future : fs)
3463	+	checkIncomplete(future);
3464	+
3465	+	for (CompletableFuture<?> future : fs)
3466	+	future.complete(null);
3467	+
3468	+	incomplete.complete(v);
3469	+
3470	+	for (CompletableFuture<?> future : fs)
3471	+	checkCompletedNormally(future, null);
3472	+
3473	+	assertEquals(0, e.count.get());
3474	+
3475	+	}
3476	+	}
3477	+
3478		/**
3479		* toCompletableFuture returns this CompletableFuture.
3480		*/
#	Line 3141 | Line 3483 | public class CompletableFutureTest exten
3483		assertSame(f, f.toCompletableFuture());
3484		}
3485
3486	+	// jdk9
3487	+
3488		/**
3489	<	* whenComplete action executes on normal completion, propagating
3146	<	* source result.
3489	>	* newIncompleteFuture returns an incomplete CompletableFuture
3490		*/
3491	<	public void testWhenComplete1() {
3492	<	final AtomicInteger a = new AtomicInteger();
3491	>	public void testNewIncompleteFuture() {
3492	>	for (Integer v1 : new Integer[] { 1, null })
3493	>	{
3494		CompletableFuture<Integer> f = new CompletableFuture<>();
3495	<	CompletableFuture<Integer> g =
3496	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3497	<	f.complete(three);
3498	<	checkCompletedNormally(f, three);
3499	<	checkCompletedNormally(g, three);
3500	<	assertEquals(a.get(), 1);
3495	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3496	>	checkIncomplete(f);
3497	>	checkIncomplete(g);
3498	>	f.complete(v1);
3499	>	checkCompletedNormally(f, v1);
3500	>	checkIncomplete(g);
3501	>	g.complete(v1);
3502	>	checkCompletedNormally(g, v1);
3503	>	assertSame(g.getClass(), CompletableFuture.class);
3504	>	}}
3505	>
3506	>	/**
3507	>	* completedStage returns a completed CompletionStage
3508	>	*/
3509	>	public void testCompletedStage() {
3510	>	AtomicInteger x = new AtomicInteger(0);
3511	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3512	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3513	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3514	>	assertEquals(x.get(), 1);
3515	>	assertNull(r.get());
3516		}
3517
3518		/**
3519	<	* whenComplete action executes on exceptional completion, propagating
3520	<	* source result.
3519	>	* defaultExecutor by default returns the commonPool if
3520	>	* it supports more than one thread.
3521		*/
3522	<	public void testWhenComplete2() {
3164	<	final AtomicInteger a = new AtomicInteger();
3522	>	public void testDefaultExecutor() {
3523		CompletableFuture<Integer> f = new CompletableFuture<>();
3524	<	CompletableFuture<Integer> g =
3525	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3526	<	f.completeExceptionally(new CFException());
3527	<	assertTrue(f.isCompletedExceptionally());
3528	<	assertTrue(g.isCompletedExceptionally());
3529	<	assertEquals(a.get(), 1);
3524	>	Executor e = f.defaultExecutor();
3525	>	Executor c = ForkJoinPool.commonPool();
3526	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3527	>	assertSame(e, c);
3528	>	else
3529	>	assertNotSame(e, c);
3530		}
3531
3532		/**
3533	<	* If a whenComplete action throws an exception when triggered by
3534	<	* a normal completion, it completes exceptionally
3533	>	* failedFuture returns a CompletableFuture completed
3534	>	* exceptionally with the given Exception
3535	>	*/
3536	>	public void testFailedFuture() {
3537	>	CFException ex = new CFException();
3538	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3539	>	checkCompletedExceptionally(f, ex);
3540	>	}
3541	>
3542	>	/**
3543	>	* failedFuture(null) throws NPE
3544	>	*/
3545	>	public void testFailedFuture_null() {
3546	>	try {
3547	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3548	>	shouldThrow();
3549	>	} catch (NullPointerException success) {}
3550	>	}
3551	>
3552	>	/**
3553	>	* copy returns a CompletableFuture that is completed normally,
3554	>	* with the same value, when source is.
3555		*/
3556	<	public void testWhenComplete3() {
3556	>	public void testCopy() {
3557		CompletableFuture<Integer> f = new CompletableFuture<>();
3558	<	CompletableFuture<Integer> g =
3559	<	f.whenComplete((Integer x, Throwable t) ->
3560	<	{ throw new CFException(); } );
3561	<	f.complete(three);
3562	<	checkCompletedNormally(f, three);
3563	<	assertTrue(g.isCompletedExceptionally());
3186	<	checkCompletedWithWrappedCFException(g);
3558	>	CompletableFuture<Integer> g = f.copy();
3559	>	checkIncomplete(f);
3560	>	checkIncomplete(g);
3561	>	f.complete(1);
3562	>	checkCompletedNormally(f, 1);
3563	>	checkCompletedNormally(g, 1);
3564		}
3565
3566		/**
3567	<	* whenCompleteAsync action executes on normal completion, propagating
3568	<	* source result.
3567	>	* copy returns a CompletableFuture that is completed exceptionally
3568	>	* when source is.
3569		*/
3570	<	public void testWhenCompleteAsync1() {
3194	<	final AtomicInteger a = new AtomicInteger();
3570	>	public void testCopy2() {
3571		CompletableFuture<Integer> f = new CompletableFuture<>();
3572	<	CompletableFuture<Integer> g =
3573	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3574	<	f.complete(three);
3575	<	checkCompletedNormally(f, three);
3576	<	checkCompletedNormally(g, three);
3577	<	assertEquals(a.get(), 1);
3572	>	CompletableFuture<Integer> g = f.copy();
3573	>	checkIncomplete(f);
3574	>	checkIncomplete(g);
3575	>	CFException ex = new CFException();
3576	>	f.completeExceptionally(ex);
3577	>	checkCompletedExceptionally(f, ex);
3578	>	checkCompletedWithWrappedException(g, ex);
3579		}
3580
3581		/**
3582	<	* whenCompleteAsync action executes on exceptional completion, propagating
3583	<	* source result.
3582	>	* minimalCompletionStage returns a CompletableFuture that is
3583	>	* completed normally, with the same value, when source is.
3584		*/
3585	<	public void testWhenCompleteAsync2() {
3209	<	final AtomicInteger a = new AtomicInteger();
3585	>	public void testMinimalCompletionStage() {
3586		CompletableFuture<Integer> f = new CompletableFuture<>();
3587	<	CompletableFuture<Integer> g =
3588	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3589	<	f.completeExceptionally(new CFException());
3590	<	checkCompletedWithWrappedCFException(f);
3591	<	checkCompletedWithWrappedCFException(g);
3587	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3588	>	AtomicInteger x = new AtomicInteger(0);
3589	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3590	>	checkIncomplete(f);
3591	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3592	>	f.complete(1);
3593	>	checkCompletedNormally(f, 1);
3594	>	assertEquals(x.get(), 1);
3595	>	assertNull(r.get());
3596		}
3597
3598		/**
3599	<	* If a whenCompleteAsync action throws an exception when
3600	<	* triggered by a normal completion, it completes exceptionally
3599	>	* minimalCompletionStage returns a CompletableFuture that is
3600	>	* completed exceptionally when source is.
3601		*/
3602	<	public void testWhenCompleteAsync3() {
3602	>	public void testMinimalCompletionStage2() {
3603		CompletableFuture<Integer> f = new CompletableFuture<>();
3604	<	CompletableFuture<Integer> g =
3605	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3606	<	{ throw new CFException(); } );
3607	<	f.complete(three);
3608	<	checkCompletedNormally(f, three);
3609	<	checkCompletedWithWrappedCFException(g);
3604	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3605	>	AtomicInteger x = new AtomicInteger(0);
3606	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3607	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3608	>	checkIncomplete(f);
3609	>	CFException ex = new CFException();
3610	>	f.completeExceptionally(ex);
3611	>	checkCompletedExceptionally(f, ex);
3612	>	assertEquals(x.get(), 0);
3613	>	assertEquals(r.get().getCause(), ex);
3614		}
3615
3616		/**
3617	<	* whenCompleteAsync action executes on normal completion, propagating
3618	<	* source result.
3617	>	* failedStage returns a CompletionStage completed
3618	>	* exceptionally with the given Exception
3619		*/
3620	<	public void testWhenCompleteAsync1e() {
3621	<	final AtomicInteger a = new AtomicInteger();
3622	<	ThreadExecutor exec = new ThreadExecutor();
3620	>	public void testFailedStage() {
3621	>	CFException ex = new CFException();
3622	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3623	>	AtomicInteger x = new AtomicInteger(0);
3624	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3625	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3626	>	assertEquals(x.get(), 0);
3627	>	assertEquals(r.get(), ex);
3628	>	}
3629	>
3630	>	/**
3631	>	* completeAsync completes with value of given supplier
3632	>	*/
3633	>	public void testCompleteAsync() {
3634	>	for (Integer v1 : new Integer[] { 1, null })
3635	>	{
3636		CompletableFuture<Integer> f = new CompletableFuture<>();
3637	<	CompletableFuture<Integer> g =
3638	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3639	<	exec);
3640	<	f.complete(three);
3641	<	checkCompletedNormally(f, three);
3642	<	checkCompletedNormally(g, three);
3643	<	assertEquals(a.get(), 1);
3637	>	f.completeAsync(() -> v1);
3638	>	f.join();
3639	>	checkCompletedNormally(f, v1);
3640	>	}}
3641	>
3642	>	/**
3643	>	* completeAsync completes exceptionally if given supplier throws
3644	>	*/
3645	>	public void testCompleteAsync2() {
3646	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3647	>	CFException ex = new CFException();
3648	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3649	>	try {
3650	>	f.join();
3651	>	shouldThrow();
3652	>	} catch (CompletionException success) {}
3653	>	checkCompletedWithWrappedException(f, ex);
3654		}
3655
3656		/**
3657	<	* whenCompleteAsync action executes on exceptional completion, propagating
3251	<	* source result.
3657	>	* completeAsync with given executor completes with value of given supplier
3658		*/
3659	<	public void testWhenCompleteAsync2e() {
3660	<	final AtomicInteger a = new AtomicInteger();
3661	<	ThreadExecutor exec = new ThreadExecutor();
3659	>	public void testCompleteAsync3() {
3660	>	for (Integer v1 : new Integer[] { 1, null })
3661	>	{
3662		CompletableFuture<Integer> f = new CompletableFuture<>();
3663	<	CompletableFuture<Integer> g =
3664	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3665	<	exec);
3666	<	f.completeExceptionally(new CFException());
3667	<	checkCompletedWithWrappedCFException(f);
3668	<	checkCompletedWithWrappedCFException(g);
3663	>	ThreadExecutor executor = new ThreadExecutor();
3664	>	f.completeAsync(() -> v1, executor);
3665	>	assertSame(v1, f.join());
3666	>	checkCompletedNormally(f, v1);
3667	>	assertEquals(1, executor.count.get());
3668	>	}}
3669	>
3670	>	/**
3671	>	* completeAsync with given executor completes exceptionally if
3672	>	* given supplier throws
3673	>	*/
3674	>	public void testCompleteAsync4() {
3675	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3676	>	CFException ex = new CFException();
3677	>	ThreadExecutor executor = new ThreadExecutor();
3678	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3679	>	try {
3680	>	f.join();
3681	>	shouldThrow();
3682	>	} catch (CompletionException success) {}
3683	>	checkCompletedWithWrappedException(f, ex);
3684	>	assertEquals(1, executor.count.get());
3685		}
3686
3687		/**
3688	<	* If a whenCompleteAsync action throws an exception when triggered
3267	<	* by a normal completion, it completes exceptionally
3688	>	* orTimeout completes with TimeoutException if not complete
3689		*/
3690	<	public void testWhenCompleteAsync3e() {
3691	<	ThreadExecutor exec = new ThreadExecutor();
3690	>	public void testOrTimeout_timesOut() {
3691	>	long timeoutMillis = timeoutMillis();
3692		CompletableFuture<Integer> f = new CompletableFuture<>();
3693	<	CompletableFuture<Integer> g =
3694	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3695	<	{ throw new CFException(); },
3696	<	exec);
3276	<	f.complete(three);
3277	<	checkCompletedNormally(f, three);
3278	<	checkCompletedWithWrappedCFException(g);
3693	>	long startTime = System.nanoTime();
3694	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3695	>	checkCompletedWithTimeoutException(f);
3696	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3697		}
3698
3699		/**
3700	<	* handleAsync action completes normally with function value on
3283	<	* either normal or exceptional completion of source
3700	>	* orTimeout completes normally if completed before timeout
3701		*/
3702	<	public void testHandleAsync() {
3703	<	CompletableFuture<Integer> f, g;
3704	<	IntegerHandler r;
3702	>	public void testOrTimeout_completed() {
3703	>	for (Integer v1 : new Integer[] { 1, null })
3704	>	{
3705	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3706	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3707	>	long startTime = System.nanoTime();
3708	>	f.complete(v1);
3709	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3710	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3711	>	g.complete(v1);
3712	>	checkCompletedNormally(f, v1);
3713	>	checkCompletedNormally(g, v1);
3714	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3715	>	}}
3716
3717	<	f = new CompletableFuture<>();
3718	<	g = f.handleAsync(r = new IntegerHandler());
3719	<	assertFalse(r.ran);
3720	<	f.completeExceptionally(new CFException());
3721	<	checkCompletedWithWrappedCFException(f);
3722	<	checkCompletedNormally(g, three);
3723	<	assertTrue(r.ran);
3717	>	/**
3718	>	* completeOnTimeout completes with given value if not complete
3719	>	*/
3720	>	public void testCompleteOnTimeout_timesOut() {
3721	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3722	>	() -> testCompleteOnTimeout_timesOut(null));
3723	>	}
3724
3725	<	f = new CompletableFuture<>();
3726	<	g = f.handleAsync(r = new IntegerHandler());
3727	<	assertFalse(r.ran);
3728	<	f.completeExceptionally(new CFException());
3729	<	checkCompletedWithWrappedCFException(f);
3730	<	checkCompletedNormally(g, three);
3731	<	assertTrue(r.ran);
3725	>	/**
3726	>	* completeOnTimeout completes with given value if not complete
3727	>	*/
3728	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3729	>	long timeoutMillis = timeoutMillis();
3730	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3731	>	long startTime = System.nanoTime();
3732	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3733	>	assertSame(v, f.join());
3734	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3735	>	f.complete(99);         // should have no effect
3736	>	checkCompletedNormally(f, v);
3737	>	}
3738
3739	<	f = new CompletableFuture<>();
3740	<	g = f.handleAsync(r = new IntegerHandler());
3741	<	assertFalse(r.ran);
3742	<	f.complete(one);
3743	<	checkCompletedNormally(f, one);
3744	<	checkCompletedNormally(g, two);
3745	<	assertTrue(r.ran);
3739	>	/**
3740	>	* completeOnTimeout has no effect if completed within timeout
3741	>	*/
3742	>	public void testCompleteOnTimeout_completed() {
3743	>	for (Integer v1 : new Integer[] { 1, null })
3744	>	{
3745	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3746	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3747	>	long startTime = System.nanoTime();
3748	>	f.complete(v1);
3749	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3750	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3751	>	g.complete(v1);
3752	>	checkCompletedNormally(f, v1);
3753	>	checkCompletedNormally(g, v1);
3754	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3755	>	}}
3756
3757	<	f = new CompletableFuture<>();
3758	<	g = f.handleAsync(r = new IntegerHandler());
3759	<	assertFalse(r.ran);
3760	<	f.complete(one);
3761	<	checkCompletedNormally(f, one);
3762	<	checkCompletedNormally(g, two);
3763	<	assertTrue(r.ran);
3757	>	/**
3758	>	* delayedExecutor returns an executor that delays submission
3759	>	*/
3760	>	public void testDelayedExecutor() {
3761	>	testInParallel(() -> testDelayedExecutor(null, null),
3762	>	() -> testDelayedExecutor(null, 1),
3763	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3764	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3765	>	}
3766	>
3767	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3768	>	long timeoutMillis = timeoutMillis();
3769	>	// Use an "unreasonably long" long timeout to catch lingering threads
3770	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3771	>	final Executor delayer, longDelayer;
3772	>	if (executor == null) {
3773	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3774	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3775	>	} else {
3776	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3777	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3778	>	}
3779	>	long startTime = System.nanoTime();
3780	>	CompletableFuture<Integer> f =
3781	>	CompletableFuture.supplyAsync(() -> v, delayer);
3782	>	CompletableFuture<Integer> g =
3783	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3784	>
3785	>	assertNull(g.getNow(null));
3786	>
3787	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3788	>	long millisElapsed = millisElapsedSince(startTime);
3789	>	assertTrue(millisElapsed >= timeoutMillis);
3790	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3791	>
3792	>	checkCompletedNormally(f, v);
3793	>
3794	>	checkIncomplete(g);
3795	>	assertTrue(g.cancel(true));
3796	>	}
3797	>
3798	>	//--- tests of implementation details; not part of official tck ---
3799	>
3800	>	Object resultOf(CompletableFuture<?> f) {
3801	>	SecurityManager sm = System.getSecurityManager();
3802	>	if (sm != null) {
3803	>	try {
3804	>	System.setSecurityManager(null);
3805	>	} catch (SecurityException giveUp) {
3806	>	return "Reflection not available";
3807	>	}
3808	>	}
3809	>
3810	>	try {
3811	>	java.lang.reflect.Field resultField
3812	>	= CompletableFuture.class.getDeclaredField("result");
3813	>	resultField.setAccessible(true);
3814	>	return resultField.get(f);
3815	>	} catch (Throwable t) {
3816	>	throw new AssertionError(t);
3817	>	} finally {
3818	>	if (sm != null) System.setSecurityManager(sm);
3819	>	}
3820		}
3821
3822	+	public void testExceptionPropagationReusesResultObject() {
3823	+	if (!testImplementationDetails) return;
3824	+	for (ExecutionMode m : ExecutionMode.values())
3825	+	{
3826	+	final CFException ex = new CFException();
3827	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3828	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3829	+
3830	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3831	+	= new ArrayList<>();
3832	+
3833	+	funs.add((y) -> m.thenRun(y, new Noop(m)));
3834	+	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3835	+	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3836	+
3837	+	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3838	+	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3839	+	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3840	+
3841	+	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3842	+	funs.add((y) -> m.runAfterBoth(v42, y, new Noop(m)));
3843	+	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3844	+	funs.add((y) -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3845	+	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3846	+	funs.add((y) -> m.thenCombine(v42, y, new SubtractFunction(m)));
3847	+
3848	+	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3849	+
3850	+	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3851	+
3852	+	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y}));
3853	+	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3854	+	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {v42, y}));
3855	+	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y}));
3856	+	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3857	+	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {incomplete, y}));
3858	+
3859	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3860	+	fun : funs) {
3861	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3862	+	f.completeExceptionally(ex);
3863	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3864	+	checkCompletedWithWrappedException(src, ex);
3865	+	CompletableFuture<?> dep = fun.apply(src);
3866	+	checkCompletedWithWrappedException(dep, ex);
3867	+	assertSame(resultOf(src), resultOf(dep));
3868	+	}
3869	+
3870	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3871	+	fun : funs) {
3872	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3873	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3874	+	CompletableFuture<?> dep = fun.apply(src);
3875	+	f.completeExceptionally(ex);
3876	+	checkCompletedWithWrappedException(src, ex);
3877	+	checkCompletedWithWrappedException(dep, ex);
3878	+	assertSame(resultOf(src), resultOf(dep));
3879	+	}
3880	+
3881	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3882	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3883	+	fun : funs) {
3884	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3885	+	f.cancel(mayInterruptIfRunning);
3886	+	checkCancelled(f);
3887	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3888	+	checkCompletedWithWrappedCancellationException(src);
3889	+	CompletableFuture<?> dep = fun.apply(src);
3890	+	checkCompletedWithWrappedCancellationException(dep);
3891	+	assertSame(resultOf(src), resultOf(dep));
3892	+	}
3893	+
3894	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3895	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3896	+	fun : funs) {
3897	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3898	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3899	+	CompletableFuture<?> dep = fun.apply(src);
3900	+	f.cancel(mayInterruptIfRunning);
3901	+	checkCancelled(f);
3902	+	checkCompletedWithWrappedCancellationException(src);
3903	+	checkCompletedWithWrappedCancellationException(dep);
3904	+	assertSame(resultOf(src), resultOf(dep));
3905	+	}
3906	+	}}
3907	+
3908		/**
3909	<	* handleAsync action with Executor completes normally with
3324	<	* function value on either normal or exceptional completion of
3325	<	* source
3909	>	* Minimal completion stages throw UOE for all non-CompletionStage methods
3910		*/
3911	<	public void testHandleAsync2() {
3912	<	CompletableFuture<Integer> f, g;
3913	<	ThreadExecutor exec = new ThreadExecutor();
3914	<	IntegerHandler r;
3911	>	public void testMinimalCompletionStage_minimality() {
3912	>	if (!testImplementationDetails) return;
3913	>	Function<Method, String> toSignature =
3914	>	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3915	>	Predicate<Method> isNotStatic =
3916	>	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3917	>	List<Method> minimalMethods =
3918	>	Stream.of(Object.class, CompletionStage.class)
3919	>	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3920	>	.filter(isNotStatic)
3921	>	.collect(Collectors.toList());
3922	>	// Methods from CompletableFuture permitted NOT to throw UOE
3923	>	String[] signatureWhitelist = {
3924	>	"newIncompleteFuture[]",
3925	>	"defaultExecutor[]",
3926	>	"minimalCompletionStage[]",
3927	>	"copy[]",
3928	>	};
3929	>	Set<String> permittedMethodSignatures =
3930	>	Stream.concat(minimalMethods.stream().map(toSignature),
3931	>	Stream.of(signatureWhitelist))
3932	>	.collect(Collectors.toSet());
3933	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3934	>	.filter(isNotStatic)
3935	>	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3936	>	.collect(Collectors.toList());
3937	>
3938	>	CompletionStage<Integer> minimalStage =
3939	>	new CompletableFuture<Integer>().minimalCompletionStage();
3940	>
3941	>	List<Method> bugs = new ArrayList<>();
3942	>	for (Method method : allMethods) {
3943	>	Class<?>[] parameterTypes = method.getParameterTypes();
3944	>	Object[] args = new Object[parameterTypes.length];
3945	>	// Manufacture boxed primitives for primitive params
3946	>	for (int i = 0; i < args.length; i++) {
3947	>	Class<?> type = parameterTypes[i];
3948	>	if (parameterTypes[i] == boolean.class)
3949	>	args[i] = false;
3950	>	else if (parameterTypes[i] == int.class)
3951	>	args[i] = 0;
3952	>	else if (parameterTypes[i] == long.class)
3953	>	args[i] = 0L;
3954	>	}
3955	>	try {
3956	>	method.invoke(minimalStage, args);
3957	>	bugs.add(method);
3958	>	}
3959	>	catch (java.lang.reflect.InvocationTargetException expected) {
3960	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3961	>	bugs.add(method);
3962	>	// expected.getCause().printStackTrace();
3963	>	}
3964	>	}
3965	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3966	>	}
3967	>	if (!bugs.isEmpty())
3968	>	throw new Error("Methods did not throw UOE: " + bugs.toString());
3969	>	}
3970
3971	<	f = new CompletableFuture<>();
3972	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3973	<	assertFalse(r.ran);
3974	<	f.completeExceptionally(new CFException());
3975	<	checkCompletedWithWrappedCFException(f);
3976	<	checkCompletedNormally(g, three);
3977	<	assertTrue(r.ran);
3971	>	static class Monad {
3972	>	static class ZeroException extends RuntimeException {
3973	>	public ZeroException() { super("monadic zero"); }
3974	>	}
3975	>	// "return", "unit"
3976	>	static <T> CompletableFuture<T> unit(T value) {
3977	>	return completedFuture(value);
3978	>	}
3979	>	// monadic zero ?
3980	>	static <T> CompletableFuture<T> zero() {
3981	>	return failedFuture(new ZeroException());
3982	>	}
3983	>	// >=>
3984	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
3985	>	(Function<T, CompletableFuture<U>> f,
3986	>	Function<U, CompletableFuture<V>> g) {
3987	>	return (x) -> f.apply(x).thenCompose(g);
3988	>	}
3989
3990	<	f = new CompletableFuture<>();
3991	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3992	<	assertFalse(r.ran);
3993	<	f.completeExceptionally(new CFException());
3994	<	checkCompletedWithWrappedCFException(f);
3995	<	checkCompletedNormally(g, three);
3996	<	assertTrue(r.ran);
3990	>	static void assertZero(CompletableFuture<?> f) {
3991	>	try {
3992	>	f.getNow(null);
3993	>	throw new AssertionFailedError("should throw");
3994	>	} catch (CompletionException success) {
3995	>	assertTrue(success.getCause() instanceof ZeroException);
3996	>	}
3997	>	}
3998
3999	<	f = new CompletableFuture<>();
4000	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4001	<	assertFalse(r.ran);
4002	<	f.complete(one);
4003	<	checkCompletedNormally(f, one);
4004	<	checkCompletedNormally(g, two);
4005	<	assertTrue(r.ran);
3999	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4000	>	CompletableFuture<T> g) {
4001	>	T fval = null, gval = null;
4002	>	Throwable fex = null, gex = null;
4003	>
4004	>	try { fval = f.get(); }
4005	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4006	>	catch (Throwable ex) { fex = ex; }
4007	>
4008	>	try { gval = g.get(); }
4009	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4010	>	catch (Throwable ex) { gex = ex; }
4011	>
4012	>	if (fex != null || gex != null)
4013	>	assertSame(fex.getClass(), gex.getClass());
4014	>	else
4015	>	assertEquals(fval, gval);
4016	>	}
4017
4018	<	f = new CompletableFuture<>();
4019	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4020	<	assertFalse(r.ran);
4021	<	f.complete(one);
4022	<	checkCompletedNormally(f, one);
4023	<	checkCompletedNormally(g, two);
4024	<	assertTrue(r.ran);
4018	>	static class PlusFuture<T> extends CompletableFuture<T> {
4019	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4020	>	}
4021	>
4022	>	/** Implements "monadic plus". */
4023	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4024	>	CompletableFuture<? extends T> g) {
4025	>	PlusFuture<T> plus = new PlusFuture<T>();
4026	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4027	>	try {
4028	>	if (ex == null) {
4029	>	if (plus.complete(result))
4030	>	if (plus.firstFailure.get() != null)
4031	>	plus.firstFailure.set(null);
4032	>	}
4033	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4034	>	if (plus.isDone())
4035	>	plus.firstFailure.set(null);
4036	>	}
4037	>	else {
4038	>	// first failure has precedence
4039	>	Throwable first = plus.firstFailure.getAndSet(null);
4040	>
4041	>	// may fail with "Self-suppression not permitted"
4042	>	try { first.addSuppressed(ex); }
4043	>	catch (Exception ignored) {}
4044	>
4045	>	plus.completeExceptionally(first);
4046	>	}
4047	>	} catch (Throwable unexpected) {
4048	>	plus.completeExceptionally(unexpected);
4049	>	}
4050	>	};
4051	>	f.whenComplete(action);
4052	>	g.whenComplete(action);
4053	>	return plus;
4054	>	}
4055	>	}
4056	>
4057	>	/**
4058	>	* CompletableFuture is an additive monad - sort of.
4059	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4060	>	*/
4061	>	public void testAdditiveMonad() throws Throwable {
4062	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4063	>	CompletableFuture<Long> zero = Monad.zero();
4064	>
4065	>	// Some mutually non-commutative functions
4066	>	Function<Long, CompletableFuture<Long>> triple
4067	>	= (x) -> Monad.unit(3 * x);
4068	>	Function<Long, CompletableFuture<Long>> inc
4069	>	= (x) -> Monad.unit(x + 1);
4070	>
4071	>	// unit is a right identity: m >>= unit === m
4072	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4073	>	inc.apply(5L));
4074	>	// unit is a left identity: (unit x) >>= f === f x
4075	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4076	>	inc.apply(5L));
4077	>
4078	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4079	>	Monad.assertFutureEquals(
4080	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4081	>	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
4082	>
4083	>	// The case for CompletableFuture as an additive monad is weaker...
4084	>
4085	>	// zero is a monadic zero
4086	>	Monad.assertZero(zero);
4087	>
4088	>	// left zero: zero >>= f === zero
4089	>	Monad.assertZero(zero.thenCompose(inc));
4090	>	// right zero: f >>= (\x -> zero) === zero
4091	>	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
4092	>
4093	>	// f plus zero === f
4094	>	Monad.assertFutureEquals(Monad.unit(5L),
4095	>	Monad.plus(Monad.unit(5L), zero));
4096	>	// zero plus f === f
4097	>	Monad.assertFutureEquals(Monad.unit(5L),
4098	>	Monad.plus(zero, Monad.unit(5L)));
4099	>	// zero plus zero === zero
4100	>	Monad.assertZero(Monad.plus(zero, zero));
4101	>	{
4102	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4103	>	Monad.unit(8L));
4104	>	// non-determinism
4105	>	assertTrue(f.get() == 5L || f.get() == 8L);
4106	>	}
4107	>
4108	>	CompletableFuture<Long> godot = new CompletableFuture<>();
4109	>	// f plus godot === f (doesn't wait for godot)
4110	>	Monad.assertFutureEquals(Monad.unit(5L),
4111	>	Monad.plus(Monad.unit(5L), godot));
4112	>	// godot plus f === f (doesn't wait for godot)
4113	>	Monad.assertFutureEquals(Monad.unit(5L),
4114	>	Monad.plus(godot, Monad.unit(5L)));
4115		}
4116
4117	+	/**
4118	+	* A single CompletableFuture with many dependents.
4119	+	* A demo of scalability - runtime is O(n).
4120	+	*/
4121	+	public void testManyDependents() throws Throwable {
4122	+	final int n = 1_000;
4123	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4124	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4125	+	final AtomicInteger count = new AtomicInteger(0);
4126	+	for (int i = 0; i < n; i++) {
4127	+	head.thenRun(() -> count.getAndIncrement());
4128	+	head.thenAccept((x) -> count.getAndIncrement());
4129	+	head.thenApply((x) -> count.getAndIncrement());
4130	+
4131	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4132	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4133	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4134	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4135	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4136	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4137	+
4138	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4139	+	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
4140	+	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
4141	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4142	+	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
4143	+	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
4144	+	}
4145	+	head.complete(null);
4146	+	assertEquals(5 * 3 * n, count.get());
4147	+	}
4148	+
4149	+	//     static <U> U join(CompletionStage<U> stage) {
4150	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4151	+	//         stage.whenComplete((v, ex) -> {
4152	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4153	+	//         });
4154	+	//         return f.join();
4155	+	//     }
4156	+
4157	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4158	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4159	+	//         stage.whenComplete((v, ex) -> {
4160	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4161	+	//         });
4162	+	//         return f.isDone();
4163	+	//     }
4164	+
4165	+	//     static <U> U join2(CompletionStage<U> stage) {
4166	+	//         return stage.toCompletableFuture().copy().join();
4167	+	//     }
4168	+
4169	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4170	+	//         return stage.toCompletableFuture().copy().isDone();
4171	+	//     }
4172	+
4173		}

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