ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.33 by jsr166, Sun Jun 1 20:40:13 2014 UTC vs.
Revision 1.133 by jsr166, Sun Nov 15 19:39:25 2015 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.TimeoutException;
34	+	import java.util.concurrent.TimeUnit;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
22	<	import static java.util.concurrent.TimeUnit.SECONDS;
23	<	import java.util.*;
24	<	import java.util.function.Supplier;
25	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
27	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.AssertionFailedError;
45	+	import junit.framework.Test;
46	+	import junit.framework.TestSuite;
47
48		public class CompletableFutureTest extends JSR166TestCase {
49
50		public static void main(String[] args) {
51	<	junit.textui.TestRunner.run(suite());
51	>	main(suite(), args);
52		}
53		public static Test suite() {
54		return new TestSuite(CompletableFutureTest.class);
#	Line 41 | Line 59 | public class CompletableFutureTest exten
59		void checkIncomplete(CompletableFuture<?> f) {
60		assertFalse(f.isDone());
61		assertFalse(f.isCancelled());
62	<	assertTrue(f.toString().contains("[Not completed]"));
62	>	assertTrue(f.toString().contains("Not completed"));
63		try {
64		assertNull(f.getNow(null));
65		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 54 | Line 72 | public class CompletableFutureTest exten
72		}
73
74		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
75	<	try {
76	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
59	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
79		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 72 | Line 89 | public class CompletableFutureTest exten
89		assertTrue(f.toString().contains("[Completed normally]"));
90		}
91
92	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
93	<	try {
94	<	f.get(LONG_DELAY_MS, MILLISECONDS);
95	<	shouldThrow();
96	<	} catch (ExecutionException success) {
97	<	assertTrue(success.getCause() instanceof CFException);
98	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
99	<	try {
100	<	f.join();
101	<	shouldThrow();
102	<	} catch (CompletionException success) {
103	<	assertTrue(success.getCause() instanceof CFException);
104	<	}
105	<	try {
106	<	f.getNow(null);
107	<	shouldThrow();
108	<	} catch (CompletionException success) {
92	<	assertTrue(success.getCause() instanceof CFException);
92	>	/**
93	>	* Returns the "raw" internal exceptional completion of f,
94	>	* without any additional wrapping with CompletionException.
95	>	*/
96	>	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
97	>	// handle (and whenComplete) can distinguish between "direct"
98	>	// and "wrapped" exceptional completion
99	>	return f.handle((U u, Throwable t) -> t).join();
100	>	}
101	>
102	>	void checkCompletedExceptionally(CompletableFuture<?> f,
103	>	boolean wrapped,
104	>	Consumer<Throwable> checker) {
105	>	Throwable cause = exceptionalCompletion(f);
106	>	if (wrapped) {
107	>	assertTrue(cause instanceof CompletionException);
108	>	cause = cause.getCause();
109		}
110	<	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	<	}
110	>	checker.accept(cause);
111
112	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
106	<	CFException ex) {
112	>	long startTime = System.nanoTime();
113		try {
114		f.get(LONG_DELAY_MS, MILLISECONDS);
115		shouldThrow();
116		} catch (ExecutionException success) {
117	<	assertSame(ex, success.getCause());
117	>	assertSame(cause, success.getCause());
118		} catch (Throwable fail) { threadUnexpectedException(fail); }
119	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
120	+
121		try {
122		f.join();
123		shouldThrow();
124		} catch (CompletionException success) {
125	<	assertSame(ex, success.getCause());
126	<	}
125	>	assertSame(cause, success.getCause());
126	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
127	>
128		try {
129		f.getNow(null);
130		shouldThrow();
131		} catch (CompletionException success) {
132	<	assertSame(ex, success.getCause());
133	<	}
132	>	assertSame(cause, success.getCause());
133	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
134	>
135		try {
136		f.get();
137		shouldThrow();
138		} catch (ExecutionException success) {
139	<	assertSame(ex, success.getCause());
139	>	assertSame(cause, success.getCause());
140		} catch (Throwable fail) { threadUnexpectedException(fail); }
141	<	assertTrue(f.isDone());
141	>
142		assertFalse(f.isCancelled());
143	+	assertTrue(f.isDone());
144	+	assertTrue(f.isCompletedExceptionally());
145		assertTrue(f.toString().contains("[Completed exceptionally]"));
146		}
147
148	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
149	+	checkCompletedExceptionally(f, true,
150	+	(t) -> assertTrue(t instanceof CFException));
151	+	}
152	+
153	+	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
154	+	checkCompletedExceptionally(f, true,
155	+	(t) -> assertTrue(t instanceof CancellationException));
156	+	}
157	+
158	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
159	+	checkCompletedExceptionally(f, false,
160	+	(t) -> assertTrue(t instanceof TimeoutException));
161	+	}
162	+
163	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
164	+	Throwable ex) {
165	+	checkCompletedExceptionally(f, true, (t) -> assertSame(t, ex));
166	+	}
167	+
168	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
169	+	checkCompletedExceptionally(f, false, (t) -> assertSame(t, ex));
170	+	}
171	+
172		void checkCancelled(CompletableFuture<?> f) {
173	+	long startTime = System.nanoTime();
174		try {
175		f.get(LONG_DELAY_MS, MILLISECONDS);
176		shouldThrow();
177		} catch (CancellationException success) {
178		} catch (Throwable fail) { threadUnexpectedException(fail); }
179	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
180	+
181		try {
182		f.join();
183		shouldThrow();
#	Line 152 | Line 191 | public class CompletableFutureTest exten
191		shouldThrow();
192		} catch (CancellationException success) {
193		} 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	–	}
194
195	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
196	<	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); }
195	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
196	>
197		assertTrue(f.isDone());
187	–	assertFalse(f.isCancelled());
198		assertTrue(f.isCompletedExceptionally());
199	+	assertTrue(f.isCancelled());
200		assertTrue(f.toString().contains("[Completed exceptionally]"));
201		}
202
#	Line 203 | Line 214 | public class CompletableFutureTest exten
214		* isCancelled, join, get, and getNow
215		*/
216		public void testComplete() {
217	+	for (Integer v1 : new Integer[] { 1, null })
218	+	{
219		CompletableFuture<Integer> f = new CompletableFuture<>();
220		checkIncomplete(f);
221	<	f.complete(one);
222	<	checkCompletedNormally(f, one);
223	<	}
221	>	assertTrue(f.complete(v1));
222	>	assertFalse(f.complete(v1));
223	>	checkCompletedNormally(f, v1);
224	>	}}
225
226		/**
227		* completeExceptionally completes exceptionally, as indicated by
#	Line 215 | Line 229 | public class CompletableFutureTest exten
229		*/
230		public void testCompleteExceptionally() {
231		CompletableFuture<Integer> f = new CompletableFuture<>();
232	+	CFException ex = new CFException();
233		checkIncomplete(f);
234	<	f.completeExceptionally(new CFException());
235	<	checkCompletedWithWrappedCFException(f);
234	>	f.completeExceptionally(ex);
235	>	checkCompletedExceptionally(f, ex);
236		}
237
238		/**
#	Line 225 | Line 240 | public class CompletableFutureTest exten
240		* methods isDone, isCancelled, join, get, and getNow
241		*/
242		public void testCancel() {
243	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
244	+	{
245		CompletableFuture<Integer> f = new CompletableFuture<>();
246		checkIncomplete(f);
247	<	assertTrue(f.cancel(true));
247	>	assertTrue(f.cancel(mayInterruptIfRunning));
248	>	assertTrue(f.cancel(mayInterruptIfRunning));
249	>	assertTrue(f.cancel(!mayInterruptIfRunning));
250		checkCancelled(f);
251	<	}
251	>	}}
252
253		/**
254		* obtrudeValue forces completion with given value
#	Line 237 | Line 256 | public class CompletableFutureTest exten
256		public void testObtrudeValue() {
257		CompletableFuture<Integer> f = new CompletableFuture<>();
258		checkIncomplete(f);
259	<	f.complete(one);
259	>	assertTrue(f.complete(one));
260		checkCompletedNormally(f, one);
261		f.obtrudeValue(three);
262		checkCompletedNormally(f, three);
#	Line 246 | Line 265 | public class CompletableFutureTest exten
265		f = new CompletableFuture<>();
266		f.obtrudeValue(three);
267		checkCompletedNormally(f, three);
268	+	f.obtrudeValue(null);
269	+	checkCompletedNormally(f, null);
270		f = new CompletableFuture<>();
271		f.completeExceptionally(new CFException());
272		f.obtrudeValue(four);
#	Line 256 | Line 277 | public class CompletableFutureTest exten
277		* obtrudeException forces completion with given exception
278		*/
279		public void testObtrudeException() {
280	<	CompletableFuture<Integer> f = new CompletableFuture<>();
281	<	checkIncomplete(f);
282	<	f.complete(one);
283	<	checkCompletedNormally(f, one);
284	<	f.obtrudeException(new CFException());
264	<	checkCompletedWithWrappedCFException(f);
280	>	for (Integer v1 : new Integer[] { 1, null })
281	>	{
282	>	CFException ex;
283	>	CompletableFuture<Integer> f;
284	>
285		f = new CompletableFuture<>();
286	<	f.obtrudeException(new CFException());
287	<	checkCompletedWithWrappedCFException(f);
286	>	assertTrue(f.complete(v1));
287	>	for (int i = 0; i < 2; i++) {
288	>	f.obtrudeException(ex = new CFException());
289	>	checkCompletedExceptionally(f, ex);
290	>	}
291	>
292		f = new CompletableFuture<>();
293	+	for (int i = 0; i < 2; i++) {
294	+	f.obtrudeException(ex = new CFException());
295	+	checkCompletedExceptionally(f, ex);
296	+	}
297	+
298	+	f = new CompletableFuture<>();
299	+	f.completeExceptionally(ex = new CFException());
300	+	f.obtrudeValue(v1);
301	+	checkCompletedNormally(f, v1);
302	+	f.obtrudeException(ex = new CFException());
303	+	checkCompletedExceptionally(f, ex);
304		f.completeExceptionally(new CFException());
305	<	f.obtrudeValue(four);
306	<	checkCompletedNormally(f, four);
307	<	f.obtrudeException(new CFException());
308	<	checkCompletedWithWrappedCFException(f);
274	<	}
305	>	checkCompletedExceptionally(f, ex);
306	>	assertFalse(f.complete(v1));
307	>	checkCompletedExceptionally(f, ex);
308	>	}}
309
310		/**
311		* getNumberOfDependents returns number of dependent tasks
312		*/
313		public void testGetNumberOfDependents() {
314	+	for (ExecutionMode m : ExecutionMode.values())
315	+	for (Integer v1 : new Integer[] { 1, null })
316	+	{
317		CompletableFuture<Integer> f = new CompletableFuture<>();
318	<	assertEquals(f.getNumberOfDependents(), 0);
319	<	CompletableFuture g = f.thenRun(new Noop());
320	<	assertEquals(f.getNumberOfDependents(), 1);
321	<	assertEquals(g.getNumberOfDependents(), 0);
322	<	CompletableFuture h = f.thenRun(new Noop());
323	<	assertEquals(f.getNumberOfDependents(), 2);
324	<	f.complete(1);
318	>	assertEquals(0, f.getNumberOfDependents());
319	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
320	>	assertEquals(1, f.getNumberOfDependents());
321	>	assertEquals(0, g.getNumberOfDependents());
322	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
323	>	assertEquals(2, f.getNumberOfDependents());
324	>	assertEquals(0, h.getNumberOfDependents());
325	>	assertTrue(f.complete(v1));
326		checkCompletedNormally(g, null);
327	<	assertEquals(f.getNumberOfDependents(), 0);
328	<	assertEquals(g.getNumberOfDependents(), 0);
329	<	}
327	>	checkCompletedNormally(h, null);
328	>	assertEquals(0, f.getNumberOfDependents());
329	>	assertEquals(0, g.getNumberOfDependents());
330	>	assertEquals(0, h.getNumberOfDependents());
331	>	}}
332
333		/**
334		* toString indicates current completion state
#	Line 299 | Line 339 | public class CompletableFutureTest exten
339		f = new CompletableFuture<String>();
340		assertTrue(f.toString().contains("[Not completed]"));
341
342	<	f.complete("foo");
342	>	assertTrue(f.complete("foo"));
343		assertTrue(f.toString().contains("[Completed normally]"));
344
345		f = new CompletableFuture<String>();
346	<	f.completeExceptionally(new IndexOutOfBoundsException());
346	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
347		assertTrue(f.toString().contains("[Completed exceptionally]"));
348	+
349	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
350	+	f = new CompletableFuture<String>();
351	+	assertTrue(f.cancel(mayInterruptIfRunning));
352	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
353	+	}
354		}
355
356		/**
#	Line 315 | Line 361 | public class CompletableFutureTest exten
361		checkCompletedNormally(f, "test");
362		}
363
364	<	// Choose non-commutative actions for better coverage
365	<
366	<	static final Supplier<Integer> supplyOne =
367	<	() -> Integer.valueOf(1);
368	<	static final Function<Integer, Integer> inc =
369	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
370	<	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();
364	>	abstract class CheckedAction {
365	>	int invocationCount = 0;
366	>	final ExecutionMode m;
367	>	CheckedAction(ExecutionMode m) { this.m = m; }
368	>	void invoked() {
369	>	m.checkExecutionMode();
370	>	assertEquals(0, invocationCount++);
371		}
372	<	}
373	<	static final class Noop implements Runnable {
337	<	boolean ran;
338	<	public void run() { ran = true; }
372	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
373	>	void assertInvoked() { assertEquals(1, invocationCount); }
374		}
375
376	<	static final class FailingSupplier implements Supplier<Integer> {
377	<	boolean ran;
378	<	public Integer get() { ran = true; throw new CFException(); }
379	<	}
380	<	static final class FailingConsumer implements Consumer<Integer> {
381	<	boolean ran;
347	<	public void accept(Integer x) { ran = true; throw new CFException(); }
348	<	}
349	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
350	<	boolean ran;
351	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
352	<	}
353	<	static final class FailingFunction implements Function<Integer, Integer> {
354	<	boolean ran;
355	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
356	<	}
357	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
358	<	boolean ran;
359	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
360	<	}
361	<	static final class FailingNoop implements Runnable {
362	<	boolean ran;
363	<	public void run() { ran = true; throw new CFException(); }
364	<	}
365	<
366	<	static final class CompletableFutureInc
367	<	implements Function<Integer, CompletableFuture<Integer>> {
368	<	boolean ran;
369	<	public CompletableFuture<Integer> apply(Integer x) {
370	<	ran = true;
371	<	CompletableFuture<Integer> f = new CompletableFuture<>();
372	<	f.complete(Integer.valueOf(x.intValue() + 1));
373	<	return f;
376	>	abstract class CheckedIntegerAction extends CheckedAction {
377	>	Integer value;
378	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
379	>	void assertValue(Integer expected) {
380	>	assertInvoked();
381	>	assertEquals(expected, value);
382		}
383		}
384
385	<	static final class FailingCompletableFutureFunction
386	<	implements Function<Integer, CompletableFuture<Integer>> {
387	<	boolean ran;
388	<	public CompletableFuture<Integer> apply(Integer x) {
389	<	ran = true; throw new CFException();
385	>	class IntegerSupplier extends CheckedAction
386	>	implements Supplier<Integer>
387	>	{
388	>	final Integer value;
389	>	IntegerSupplier(ExecutionMode m, Integer value) {
390	>	super(m);
391	>	this.value = value;
392		}
393	<	}
394	<
395	<	// 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();
393	>	public Integer get() {
394	>	invoked();
395	>	return value;
396		}
397		}
398
399	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
400	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
399	>	// A function that handles and produces null values as well.
400	>	static Integer inc(Integer x) {
401	>	return (x == null) ? null : x + 1;
402		}
403
404	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
405	<	boolean ran;
406	<	public Integer apply(Integer x, Throwable t) {
407	<	ran = true;
408	<	return (t == null) ? two : three;
404	>	class NoopConsumer extends CheckedIntegerAction
405	>	implements Consumer<Integer>
406	>	{
407	>	NoopConsumer(ExecutionMode m) { super(m); }
408	>	public void accept(Integer x) {
409	>	invoked();
410	>	value = x;
411		}
412		}
413
414	<	/**
415	<	* exceptionally action completes with function value on source
416	<	* exception; otherwise with source value
417	<	*/
418	<	public void testExceptionally() {
419	<	CompletableFuture<Integer> f = new CompletableFuture<>();
420	<	ExceptionToInteger r = new ExceptionToInteger();
421	<	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);
414	>	class IncFunction extends CheckedIntegerAction
415	>	implements Function<Integer,Integer>
416	>	{
417	>	IncFunction(ExecutionMode m) { super(m); }
418	>	public Integer apply(Integer x) {
419	>	invoked();
420	>	return value = inc(x);
421	>	}
422		}
423
424	<	/**
425	<	* thenApply result completes exceptionally after exceptional
426	<	* completion of source
427	<	*/
428	<	public void testThenApply2() {
429	<	CompletableFuture<Integer> f = new CompletableFuture<>();
623	<	CompletableFuture<Integer> g = f.thenApply(inc);
624	<	f.completeExceptionally(new CFException());
625	<	checkCompletedWithWrappedCFException(g);
424	>	// Choose non-commutative actions for better coverage
425	>	// A non-commutative function that handles and produces null values as well.
426	>	static Integer subtract(Integer x, Integer y) {
427	>	return (x == null && y == null) ? null :
428	>	((x == null) ? 42 : x.intValue())
429	>	- ((y == null) ? 99 : y.intValue());
430		}
431
432	<	/**
433	<	* thenApply result completes exceptionally if action does
434	<	*/
435	<	public void testThenApply3() {
436	<	CompletableFuture<Integer> f = new CompletableFuture<>();
437	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
438	<	f.complete(one);
439	<	checkCompletedWithWrappedCFException(g);
432	>	class SubtractAction extends CheckedIntegerAction
433	>	implements BiConsumer<Integer, Integer>
434	>	{
435	>	SubtractAction(ExecutionMode m) { super(m); }
436	>	public void accept(Integer x, Integer y) {
437	>	invoked();
438	>	value = subtract(x, y);
439	>	}
440		}
441
442	<	/**
443	<	* thenApply result completes exceptionally if source cancelled
444	<	*/
445	<	public void testThenApply4() {
446	<	CompletableFuture<Integer> f = new CompletableFuture<>();
447	<	CompletableFuture<Integer> g = f.thenApply(inc);
448	<	assertTrue(f.cancel(true));
449	<	checkCompletedWithWrappedCancellationException(g);
442	>	class SubtractFunction extends CheckedIntegerAction
443	>	implements BiFunction<Integer, Integer, Integer>
444	>	{
445	>	SubtractFunction(ExecutionMode m) { super(m); }
446	>	public Integer apply(Integer x, Integer y) {
447	>	invoked();
448	>	return value = subtract(x, y);
449	>	}
450		}
451
452	<	/**
453	<	* thenAccept result completes normally after normal completion of source
454	<	*/
455	<	public void testThenAccept() {
456	<	CompletableFuture<Integer> f = new CompletableFuture<>();
653	<	IncAction r = new IncAction();
654	<	CompletableFuture<Void> g = f.thenAccept(r);
655	<	f.complete(one);
656	<	checkCompletedNormally(g, null);
657	<	assertEquals(r.value, 2);
452	>	class Noop extends CheckedAction implements Runnable {
453	>	Noop(ExecutionMode m) { super(m); }
454	>	public void run() {
455	>	invoked();
456	>	}
457		}
458
459	<	/**
460	<	* thenAccept result completes exceptionally after exceptional
461	<	* completion of source
462	<	*/
463	<	public void testThenAccept2() {
464	<	CompletableFuture<Integer> f = new CompletableFuture<>();
465	<	IncAction r = new IncAction();
466	<	CompletableFuture<Void> g = f.thenAccept(r);
668	<	f.completeExceptionally(new CFException());
669	<	checkCompletedWithWrappedCFException(g);
459	>	class FailingSupplier extends CheckedAction
460	>	implements Supplier<Integer>
461	>	{
462	>	FailingSupplier(ExecutionMode m) { super(m); }
463	>	public Integer get() {
464	>	invoked();
465	>	throw new CFException();
466	>	}
467		}
468
469	<	/**
470	<	* thenAccept result completes exceptionally if action does
471	<	*/
472	<	public void testThenAccept3() {
473	<	CompletableFuture<Integer> f = new CompletableFuture<>();
474	<	FailingConsumer r = new FailingConsumer();
475	<	CompletableFuture<Void> g = f.thenAccept(r);
476	<	f.complete(one);
477	<	checkCompletedWithWrappedCFException(g);
681	<	assertTrue(r.ran);
469	>	class FailingConsumer extends CheckedIntegerAction
470	>	implements Consumer<Integer>
471	>	{
472	>	FailingConsumer(ExecutionMode m) { super(m); }
473	>	public void accept(Integer x) {
474	>	invoked();
475	>	value = x;
476	>	throw new CFException();
477	>	}
478		}
479
480	<	/**
481	<	* thenAccept result completes exceptionally if source cancelled
482	<	*/
483	<	public void testThenAccept4() {
484	<	CompletableFuture<Integer> f = new CompletableFuture<>();
485	<	IncAction r = new IncAction();
486	<	CompletableFuture<Void> g = f.thenAccept(r);
487	<	assertTrue(f.cancel(true));
488	<	checkCompletedWithWrappedCancellationException(g);
480	>	class FailingBiConsumer extends CheckedIntegerAction
481	>	implements BiConsumer<Integer, Integer>
482	>	{
483	>	FailingBiConsumer(ExecutionMode m) { super(m); }
484	>	public void accept(Integer x, Integer y) {
485	>	invoked();
486	>	value = subtract(x, y);
487	>	throw new CFException();
488	>	}
489		}
490
491	<	/**
492	<	* thenCombine result completes normally after normal completion
493	<	* of sources
494	<	*/
495	<	public void testThenCombine() {
496	<	CompletableFuture<Integer> f, g, h;
497	<
498	<	f = new CompletableFuture<>();
499	<	g = new CompletableFuture<>();
704	<	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);
491	>	class FailingFunction extends CheckedIntegerAction
492	>	implements Function<Integer, Integer>
493	>	{
494	>	FailingFunction(ExecutionMode m) { super(m); }
495	>	public Integer apply(Integer x) {
496	>	invoked();
497	>	value = x;
498	>	throw new CFException();
499	>	}
500		}
501
502	<	/**
503	<	* thenCombine result completes exceptionally after exceptional
504	<	* completion of either source
505	<	*/
506	<	public void testThenCombine2() {
507	<	CompletableFuture<Integer> f, g, h;
508	<
509	<	f = new CompletableFuture<>();
510	<	g = new CompletableFuture<>();
735	<	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);
502	>	class FailingBiFunction extends CheckedIntegerAction
503	>	implements BiFunction<Integer, Integer, Integer>
504	>	{
505	>	FailingBiFunction(ExecutionMode m) { super(m); }
506	>	public Integer apply(Integer x, Integer y) {
507	>	invoked();
508	>	value = subtract(x, y);
509	>	throw new CFException();
510	>	}
511		}
512
513	<	/**
514	<	* thenCombine result completes exceptionally if action does
515	<	*/
516	<	public void testThenCombine3() {
517	<	CompletableFuture<Integer> f = new CompletableFuture<>();
518	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
770	<	FailingBiFunction r = new FailingBiFunction();
771	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
772	<	f.complete(one);
773	<	checkIncomplete(g);
774	<	assertFalse(r.ran);
775	<	f2.complete(two);
776	<	checkCompletedWithWrappedCFException(g);
777	<	assertTrue(r.ran);
513	>	class FailingRunnable extends CheckedAction implements Runnable {
514	>	FailingRunnable(ExecutionMode m) { super(m); }
515	>	public void run() {
516	>	invoked();
517	>	throw new CFException();
518	>	}
519		}
520
521	<	/**
522	<	* thenCombine result completes exceptionally if either source cancelled
523	<	*/
524	<	public void testThenCombine4() {
525	<	CompletableFuture<Integer> f, g, h;
526	<
527	<	f = new CompletableFuture<>();
528	<	g = new CompletableFuture<>();
529	<	h = f.thenCombine(g, subtract);
530	<	assertTrue(f.cancel(true));
531	<	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);
521	>	class CompletableFutureInc extends CheckedIntegerAction
522	>	implements Function<Integer, CompletableFuture<Integer>>
523	>	{
524	>	CompletableFutureInc(ExecutionMode m) { super(m); }
525	>	public CompletableFuture<Integer> apply(Integer x) {
526	>	invoked();
527	>	value = x;
528	>	CompletableFuture<Integer> f = new CompletableFuture<>();
529	>	assertTrue(f.complete(inc(x)));
530	>	return f;
531	>	}
532		}
533
534	<	/**
535	<	* thenAcceptBoth result completes normally after normal
536	<	* completion of sources
537	<	*/
538	<	public void testThenAcceptBoth() {
539	<	CompletableFuture<Integer> f, g;
540	<	CompletableFuture<Void> h;
541	<	SubtractAction r;
542	<
819	<	f = new CompletableFuture<>();
820	<	g = new CompletableFuture<>();
821	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
822	<	f.complete(3);
823	<	checkIncomplete(h);
824	<	g.complete(1);
825	<	checkCompletedNormally(h, null);
826	<	assertEquals(r.value, 2);
827	<
828	<	f = new CompletableFuture<>();
829	<	g = new CompletableFuture<>();
830	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
831	<	g.complete(1);
832	<	checkIncomplete(h);
833	<	f.complete(3);
834	<	checkCompletedNormally(h, null);
835	<	assertEquals(r.value, 2);
836	<
837	<	f = new CompletableFuture<>();
838	<	g = new CompletableFuture<>();
839	<	g.complete(1);
840	<	f.complete(3);
841	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
842	<	checkCompletedNormally(h, null);
843	<	assertEquals(r.value, 2);
534	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
535	>	implements Function<Integer, CompletableFuture<Integer>>
536	>	{
537	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
538	>	public CompletableFuture<Integer> apply(Integer x) {
539	>	invoked();
540	>	value = x;
541	>	throw new CFException();
542	>	}
543		}
544
545	<	/**
546	<	* thenAcceptBoth result completes exceptionally after exceptional
547	<	* completion of either source
548	<	*/
549	<	public void testThenAcceptBoth2() {
550	<	CompletableFuture<Integer> f, g;
551	<	CompletableFuture<Void> h;
853	<	SubtractAction r;
854	<
855	<	f = new CompletableFuture<>();
856	<	g = new CompletableFuture<>();
857	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
858	<	f.completeExceptionally(new CFException());
859	<	checkIncomplete(h);
860	<	g.complete(1);
861	<	checkCompletedWithWrappedCFException(h);
862	<
863	<	f = new CompletableFuture<>();
864	<	g = new CompletableFuture<>();
865	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
866	<	g.completeExceptionally(new CFException());
867	<	checkIncomplete(h);
868	<	f.complete(3);
869	<	checkCompletedWithWrappedCFException(h);
870	<
871	<	f = new CompletableFuture<>();
872	<	g = new CompletableFuture<>();
873	<	f.complete(3);
874	<	g.completeExceptionally(new CFException());
875	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
876	<	checkCompletedWithWrappedCFException(h);
545	>	// Used for explicit executor tests
546	>	static final class ThreadExecutor implements Executor {
547	>	final AtomicInteger count = new AtomicInteger(0);
548	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
549	>	static boolean startedCurrentThread() {
550	>	return Thread.currentThread().getThreadGroup() == tg;
551	>	}
552
553	<	f = new CompletableFuture<>();
554	<	g = new CompletableFuture<>();
555	<	f.completeExceptionally(new CFException());
556	<	g.complete(3);
882	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
883	<	checkCompletedWithWrappedCFException(h);
553	>	public void execute(Runnable r) {
554	>	count.getAndIncrement();
555	>	new Thread(tg, r).start();
556	>	}
557		}
558
559	<	/**
560	<	* thenAcceptBoth result completes exceptionally if action does
888	<	*/
889	<	public void testThenAcceptBoth3() {
890	<	CompletableFuture<Integer> f, g;
891	<	CompletableFuture<Void> h;
892	<	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);
901	<
902	<	f = new CompletableFuture<>();
903	<	g = new CompletableFuture<>();
904	<	f.complete(3);
905	<	g.complete(1);
906	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
907	<	checkCompletedWithWrappedCFException(h);
908	<	}
559	>	static final boolean defaultExecutorIsCommonPool
560	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
561
562		/**
563	<	* thenAcceptBoth result completes exceptionally if either source cancelled
563	>	* Permits the testing of parallel code for the 3 different
564	>	* execution modes without copy/pasting all the test methods.
565		*/
566	<	public void testThenAcceptBoth4() {
567	<	CompletableFuture<Integer> f, g;
568	<	CompletableFuture<Void> h;
569	<	SubtractAction r;
570	<
571	<	f = new CompletableFuture<>();
572	<	g = new CompletableFuture<>();
573	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
574	<	assertTrue(f.cancel(true));
575	<	checkIncomplete(h);
576	<	g.complete(1);
577	<	checkCompletedWithWrappedCancellationException(h);
566	>	enum ExecutionMode {
567	>	SYNC {
568	>	public void checkExecutionMode() {
569	>	assertFalse(ThreadExecutor.startedCurrentThread());
570	>	assertNull(ForkJoinTask.getPool());
571	>	}
572	>	public CompletableFuture<Void> runAsync(Runnable a) {
573	>	throw new UnsupportedOperationException();
574	>	}
575	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
576	>	throw new UnsupportedOperationException();
577	>	}
578	>	public <T> CompletableFuture<Void> thenRun
579	>	(CompletableFuture<T> f, Runnable a) {
580	>	return f.thenRun(a);
581	>	}
582	>	public <T> CompletableFuture<Void> thenAccept
583	>	(CompletableFuture<T> f, Consumer<? super T> a) {
584	>	return f.thenAccept(a);
585	>	}
586	>	public <T,U> CompletableFuture<U> thenApply
587	>	(CompletableFuture<T> f, Function<? super T,U> a) {
588	>	return f.thenApply(a);
589	>	}
590	>	public <T,U> CompletableFuture<U> thenCompose
591	>	(CompletableFuture<T> f,
592	>	Function<? super T,? extends CompletionStage<U>> a) {
593	>	return f.thenCompose(a);
594	>	}
595	>	public <T,U> CompletableFuture<U> handle
596	>	(CompletableFuture<T> f,
597	>	BiFunction<? super T,Throwable,? extends U> a) {
598	>	return f.handle(a);
599	>	}
600	>	public <T> CompletableFuture<T> whenComplete
601	>	(CompletableFuture<T> f,
602	>	BiConsumer<? super T,? super Throwable> a) {
603	>	return f.whenComplete(a);
604	>	}
605	>	public <T,U> CompletableFuture<Void> runAfterBoth
606	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
607	>	return f.runAfterBoth(g, a);
608	>	}
609	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
610	>	(CompletableFuture<T> f,
611	>	CompletionStage<? extends U> g,
612	>	BiConsumer<? super T,? super U> a) {
613	>	return f.thenAcceptBoth(g, a);
614	>	}
615	>	public <T,U,V> CompletableFuture<V> thenCombine
616	>	(CompletableFuture<T> f,
617	>	CompletionStage<? extends U> g,
618	>	BiFunction<? super T,? super U,? extends V> a) {
619	>	return f.thenCombine(g, a);
620	>	}
621	>	public <T> CompletableFuture<Void> runAfterEither
622	>	(CompletableFuture<T> f,
623	>	CompletionStage<?> g,
624	>	java.lang.Runnable a) {
625	>	return f.runAfterEither(g, a);
626	>	}
627	>	public <T> CompletableFuture<Void> acceptEither
628	>	(CompletableFuture<T> f,
629	>	CompletionStage<? extends T> g,
630	>	Consumer<? super T> a) {
631	>	return f.acceptEither(g, a);
632	>	}
633	>	public <T,U> CompletableFuture<U> applyToEither
634	>	(CompletableFuture<T> f,
635	>	CompletionStage<? extends T> g,
636	>	Function<? super T,U> a) {
637	>	return f.applyToEither(g, a);
638	>	}
639	>	},
640
641	<	f = new CompletableFuture<>();
642	<	g = new CompletableFuture<>();
643	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
644	<	assertTrue(g.cancel(true));
645	<	checkIncomplete(h);
646	<	f.complete(3);
647	<	checkCompletedWithWrappedCancellationException(h);
641	>	ASYNC {
642	>	public void checkExecutionMode() {
643	>	assertEquals(defaultExecutorIsCommonPool,
644	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
645	>	}
646	>	public CompletableFuture<Void> runAsync(Runnable a) {
647	>	return CompletableFuture.runAsync(a);
648	>	}
649	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
650	>	return CompletableFuture.supplyAsync(a);
651	>	}
652	>	public <T> CompletableFuture<Void> thenRun
653	>	(CompletableFuture<T> f, Runnable a) {
654	>	return f.thenRunAsync(a);
655	>	}
656	>	public <T> CompletableFuture<Void> thenAccept
657	>	(CompletableFuture<T> f, Consumer<? super T> a) {
658	>	return f.thenAcceptAsync(a);
659	>	}
660	>	public <T,U> CompletableFuture<U> thenApply
661	>	(CompletableFuture<T> f, Function<? super T,U> a) {
662	>	return f.thenApplyAsync(a);
663	>	}
664	>	public <T,U> CompletableFuture<U> thenCompose
665	>	(CompletableFuture<T> f,
666	>	Function<? super T,? extends CompletionStage<U>> a) {
667	>	return f.thenComposeAsync(a);
668	>	}
669	>	public <T,U> CompletableFuture<U> handle
670	>	(CompletableFuture<T> f,
671	>	BiFunction<? super T,Throwable,? extends U> a) {
672	>	return f.handleAsync(a);
673	>	}
674	>	public <T> CompletableFuture<T> whenComplete
675	>	(CompletableFuture<T> f,
676	>	BiConsumer<? super T,? super Throwable> a) {
677	>	return f.whenCompleteAsync(a);
678	>	}
679	>	public <T,U> CompletableFuture<Void> runAfterBoth
680	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
681	>	return f.runAfterBothAsync(g, a);
682	>	}
683	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
684	>	(CompletableFuture<T> f,
685	>	CompletionStage<? extends U> g,
686	>	BiConsumer<? super T,? super U> a) {
687	>	return f.thenAcceptBothAsync(g, a);
688	>	}
689	>	public <T,U,V> CompletableFuture<V> thenCombine
690	>	(CompletableFuture<T> f,
691	>	CompletionStage<? extends U> g,
692	>	BiFunction<? super T,? super U,? extends V> a) {
693	>	return f.thenCombineAsync(g, a);
694	>	}
695	>	public <T> CompletableFuture<Void> runAfterEither
696	>	(CompletableFuture<T> f,
697	>	CompletionStage<?> g,
698	>	java.lang.Runnable a) {
699	>	return f.runAfterEitherAsync(g, a);
700	>	}
701	>	public <T> CompletableFuture<Void> acceptEither
702	>	(CompletableFuture<T> f,
703	>	CompletionStage<? extends T> g,
704	>	Consumer<? super T> a) {
705	>	return f.acceptEitherAsync(g, a);
706	>	}
707	>	public <T,U> CompletableFuture<U> applyToEither
708	>	(CompletableFuture<T> f,
709	>	CompletionStage<? extends T> g,
710	>	Function<? super T,U> a) {
711	>	return f.applyToEitherAsync(g, a);
712	>	}
713	>	},
714
715	<	f = new CompletableFuture<>();
716	<	g = new CompletableFuture<>();
717	<	f.complete(3);
718	<	assertTrue(g.cancel(true));
719	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
720	<	checkCompletedWithWrappedCancellationException(h);
715	>	EXECUTOR {
716	>	public void checkExecutionMode() {
717	>	assertTrue(ThreadExecutor.startedCurrentThread());
718	>	}
719	>	public CompletableFuture<Void> runAsync(Runnable a) {
720	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
721	>	}
722	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
723	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
724	>	}
725	>	public <T> CompletableFuture<Void> thenRun
726	>	(CompletableFuture<T> f, Runnable a) {
727	>	return f.thenRunAsync(a, new ThreadExecutor());
728	>	}
729	>	public <T> CompletableFuture<Void> thenAccept
730	>	(CompletableFuture<T> f, Consumer<? super T> a) {
731	>	return f.thenAcceptAsync(a, new ThreadExecutor());
732	>	}
733	>	public <T,U> CompletableFuture<U> thenApply
734	>	(CompletableFuture<T> f, Function<? super T,U> a) {
735	>	return f.thenApplyAsync(a, new ThreadExecutor());
736	>	}
737	>	public <T,U> CompletableFuture<U> thenCompose
738	>	(CompletableFuture<T> f,
739	>	Function<? super T,? extends CompletionStage<U>> a) {
740	>	return f.thenComposeAsync(a, new ThreadExecutor());
741	>	}
742	>	public <T,U> CompletableFuture<U> handle
743	>	(CompletableFuture<T> f,
744	>	BiFunction<? super T,Throwable,? extends U> a) {
745	>	return f.handleAsync(a, new ThreadExecutor());
746	>	}
747	>	public <T> CompletableFuture<T> whenComplete
748	>	(CompletableFuture<T> f,
749	>	BiConsumer<? super T,? super Throwable> a) {
750	>	return f.whenCompleteAsync(a, new ThreadExecutor());
751	>	}
752	>	public <T,U> CompletableFuture<Void> runAfterBoth
753	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
754	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
755	>	}
756	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
757	>	(CompletableFuture<T> f,
758	>	CompletionStage<? extends U> g,
759	>	BiConsumer<? super T,? super U> a) {
760	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
761	>	}
762	>	public <T,U,V> CompletableFuture<V> thenCombine
763	>	(CompletableFuture<T> f,
764	>	CompletionStage<? extends U> g,
765	>	BiFunction<? super T,? super U,? extends V> a) {
766	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
767	>	}
768	>	public <T> CompletableFuture<Void> runAfterEither
769	>	(CompletableFuture<T> f,
770	>	CompletionStage<?> g,
771	>	java.lang.Runnable a) {
772	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
773	>	}
774	>	public <T> CompletableFuture<Void> acceptEither
775	>	(CompletableFuture<T> f,
776	>	CompletionStage<? extends T> g,
777	>	Consumer<? super T> a) {
778	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
779	>	}
780	>	public <T,U> CompletableFuture<U> applyToEither
781	>	(CompletableFuture<T> f,
782	>	CompletionStage<? extends T> g,
783	>	Function<? super T,U> a) {
784	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
785	>	}
786	>	};
787
788	<	f = new CompletableFuture<>();
789	<	g = new CompletableFuture<>();
790	<	assertTrue(f.cancel(true));
791	<	g.complete(3);
792	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
793	<	checkCompletedWithWrappedCancellationException(h);
788	>	public abstract void checkExecutionMode();
789	>	public abstract CompletableFuture<Void> runAsync(Runnable a);
790	>	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
791	>	public abstract <T> CompletableFuture<Void> thenRun
792	>	(CompletableFuture<T> f, Runnable a);
793	>	public abstract <T> CompletableFuture<Void> thenAccept
794	>	(CompletableFuture<T> f, Consumer<? super T> a);
795	>	public abstract <T,U> CompletableFuture<U> thenApply
796	>	(CompletableFuture<T> f, Function<? super T,U> a);
797	>	public abstract <T,U> CompletableFuture<U> thenCompose
798	>	(CompletableFuture<T> f,
799	>	Function<? super T,? extends CompletionStage<U>> a);
800	>	public abstract <T,U> CompletableFuture<U> handle
801	>	(CompletableFuture<T> f,
802	>	BiFunction<? super T,Throwable,? extends U> a);
803	>	public abstract <T> CompletableFuture<T> whenComplete
804	>	(CompletableFuture<T> f,
805	>	BiConsumer<? super T,? super Throwable> a);
806	>	public abstract <T,U> CompletableFuture<Void> runAfterBoth
807	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
808	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
809	>	(CompletableFuture<T> f,
810	>	CompletionStage<? extends U> g,
811	>	BiConsumer<? super T,? super U> a);
812	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
813	>	(CompletableFuture<T> f,
814	>	CompletionStage<? extends U> g,
815	>	BiFunction<? super T,? super U,? extends V> a);
816	>	public abstract <T> CompletableFuture<Void> runAfterEither
817	>	(CompletableFuture<T> f,
818	>	CompletionStage<?> g,
819	>	java.lang.Runnable a);
820	>	public abstract <T> CompletableFuture<Void> acceptEither
821	>	(CompletableFuture<T> f,
822	>	CompletionStage<? extends T> g,
823	>	Consumer<? super T> a);
824	>	public abstract <T,U> CompletableFuture<U> applyToEither
825	>	(CompletableFuture<T> f,
826	>	CompletionStage<? extends T> g,
827	>	Function<? super T,U> a);
828		}
829
830		/**
831	<	* runAfterBoth result completes normally after normal
832	<	* completion of sources
831	>	* exceptionally action is not invoked when source completes
832	>	* normally, and source result is propagated
833		*/
834	<	public void testRunAfterBoth_normalCompletion1() {
835	<	for (Integer v1 : new Integer[] { 1, null })
955	<	for (Integer v2 : new Integer[] { 2, null }) {
956	<
957	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
958	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
959	<	final Noop r = new Noop();
960	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
961	<
962	<	f.complete(v1);
963	<	checkIncomplete(h);
964	<	assertFalse(r.ran);
965	<	g.complete(v2);
966	<
967	<	checkCompletedNormally(h, null);
968	<	assertTrue(r.ran);
969	<	checkCompletedNormally(f, v1);
970	<	checkCompletedNormally(g, v2);
971	<	}
972	<	}
973	<
974	<	public void testRunAfterBoth_normalCompletion2() {
834	>	public void testExceptionally_normalCompletion() {
835	>	for (boolean createIncomplete : new boolean[] { true, false })
836		for (Integer v1 : new Integer[] { 1, null })
837	<	for (Integer v2 : new Integer[] { 2, null }) {
838	<
837	>	{
838	>	final AtomicInteger a = new AtomicInteger(0);
839		final CompletableFuture<Integer> f = new CompletableFuture<>();
840	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
841	<	final Noop r = new Noop();
842	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
843	<
844	<	g.complete(v2);
845	<	checkIncomplete(h);
846	<	assertFalse(r.ran);
847	<	f.complete(v1);
840	>	if (!createIncomplete) assertTrue(f.complete(v1));
841	>	final CompletableFuture<Integer> g = f.exceptionally
842	>	((Throwable t) -> {
843	>	a.getAndIncrement();
844	>	threadFail("should not be called");
845	>	return null;            // unreached
846	>	});
847	>	if (createIncomplete) assertTrue(f.complete(v1));
848
849	<	checkCompletedNormally(h, null);
989	<	assertTrue(r.ran);
849	>	checkCompletedNormally(g, v1);
850		checkCompletedNormally(f, v1);
851	<	checkCompletedNormally(g, v2);
852	<	}
993	<	}
851	>	assertEquals(0, a.get());
852	>	}}
853
854	<	public void testRunAfterBoth_normalCompletion3() {
854	>	/**
855	>	* exceptionally action completes with function value on source
856	>	* exception
857	>	*/
858	>	public void testExceptionally_exceptionalCompletion() {
859	>	for (boolean createIncomplete : new boolean[] { true, false })
860		for (Integer v1 : new Integer[] { 1, null })
861	<	for (Integer v2 : new Integer[] { 2, null }) {
862	<
861	>	{
862	>	final AtomicInteger a = new AtomicInteger(0);
863	>	final CFException ex = new CFException();
864		final CompletableFuture<Integer> f = new CompletableFuture<>();
865	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
866	<	final Noop r = new Noop();
867	<
868	<	g.complete(v2);
869	<	f.complete(v1);
870	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
871	<
872	<	checkCompletedNormally(h, null);
873	<	assertTrue(r.ran);
1009	<	checkCompletedNormally(f, v1);
1010	<	checkCompletedNormally(g, v2);
1011	<	}
1012	<	}
865	>	if (!createIncomplete) f.completeExceptionally(ex);
866	>	final CompletableFuture<Integer> g = f.exceptionally
867	>	((Throwable t) -> {
868	>	ExecutionMode.SYNC.checkExecutionMode();
869	>	threadAssertSame(t, ex);
870	>	a.getAndIncrement();
871	>	return v1;
872	>	});
873	>	if (createIncomplete) f.completeExceptionally(ex);
874
875	<	public void testRunAfterBoth_normalCompletion4() {
876	<	for (Integer v1 : new Integer[] { 1, null })
877	<	for (Integer v2 : new Integer[] { 2, null }) {
875	>	checkCompletedNormally(g, v1);
876	>	assertEquals(1, a.get());
877	>	}}
878
879	+	public void testExceptionally_exceptionalCompletionActionFailed() {
880	+	for (boolean createIncomplete : new boolean[] { true, false })
881	+	{
882	+	final AtomicInteger a = new AtomicInteger(0);
883	+	final CFException ex1 = new CFException();
884	+	final CFException ex2 = new CFException();
885		final CompletableFuture<Integer> f = new CompletableFuture<>();
886	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
887	<	final Noop r = new Noop();
888	<
889	<	f.complete(v1);
890	<	g.complete(v2);
891	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
892	<
893	<	checkCompletedNormally(h, null);
894	<	assertTrue(r.ran);
895	<	checkCompletedNormally(f, v1);
896	<	checkCompletedNormally(g, v2);
897	<	}
898	<	}
886	>	if (!createIncomplete) f.completeExceptionally(ex1);
887	>	final CompletableFuture<Integer> g = f.exceptionally
888	>	((Throwable t) -> {
889	>	ExecutionMode.SYNC.checkExecutionMode();
890	>	threadAssertSame(t, ex1);
891	>	a.getAndIncrement();
892	>	throw ex2;
893	>	});
894	>	if (createIncomplete) f.completeExceptionally(ex1);
895	>
896	>	checkCompletedWithWrappedException(g, ex2);
897	>	assertEquals(1, a.get());
898	>	}}
899
900		/**
901	<	* runAfterBoth result completes exceptionally after exceptional
902	<	* completion of either source
901	>	* whenComplete action executes on normal completion, propagating
902	>	* source result.
903		*/
904	<	public void testRunAfterBoth_exceptionalCompletion1() {
905	<	for (Integer v1 : new Integer[] { 1, null }) {
906	<
904	>	public void testWhenComplete_normalCompletion() {
905	>	for (ExecutionMode m : ExecutionMode.values())
906	>	for (boolean createIncomplete : new boolean[] { true, false })
907	>	for (Integer v1 : new Integer[] { 1, null })
908	>	{
909	>	final AtomicInteger a = new AtomicInteger(0);
910		final CompletableFuture<Integer> f = new CompletableFuture<>();
911	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
912	<	final Noop r = new Noop();
913	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
914	<	final CFException ex = new CFException();
911	>	if (!createIncomplete) assertTrue(f.complete(v1));
912	>	final CompletableFuture<Integer> g = m.whenComplete
913	>	(f,
914	>	(Integer x, Throwable t) -> {
915	>	m.checkExecutionMode();
916	>	threadAssertSame(x, v1);
917	>	threadAssertNull(t);
918	>	a.getAndIncrement();
919	>	});
920	>	if (createIncomplete) assertTrue(f.complete(v1));
921
1046	–	f.completeExceptionally(ex);
1047	–	checkIncomplete(h);
1048	–	g.complete(v1);
1049	–
1050	–	checkCompletedWithWrappedCFException(h, ex);
1051	–	checkCompletedWithWrappedCFException(f, ex);
1052	–	assertFalse(r.ran);
922		checkCompletedNormally(g, v1);
1054	–	}
1055	–	}
1056	–
1057	–	public void testRunAfterBoth_exceptionalCompletion2() {
1058	–	for (Integer v1 : new Integer[] { 1, null }) {
1059	–
1060	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1061	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1062	–	final Noop r = new Noop();
1063	–	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1064	–	final CFException ex = new CFException();
1065	–
1066	–	g.completeExceptionally(ex);
1067	–	checkIncomplete(h);
1068	–	f.complete(v1);
1069	–
1070	–	checkCompletedWithWrappedCFException(h, ex);
1071	–	checkCompletedWithWrappedCFException(g, ex);
1072	–	assertFalse(r.ran);
923		checkCompletedNormally(f, v1);
924	<	}
925	<	}
1076	<
1077	<	public void testRunAfterBoth_exceptionalCompletion3() {
1078	<	for (Integer v1 : new Integer[] { 1, null }) {
924	>	assertEquals(1, a.get());
925	>	}}
926
927	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
928	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
929	<	final Noop r = new Noop();
927	>	/**
928	>	* whenComplete action executes on exceptional completion, propagating
929	>	* source result.
930	>	*/
931	>	public void testWhenComplete_exceptionalCompletion() {
932	>	for (ExecutionMode m : ExecutionMode.values())
933	>	for (boolean createIncomplete : new boolean[] { true, false })
934	>	{
935	>	final AtomicInteger a = new AtomicInteger(0);
936		final CFException ex = new CFException();
1084	–
1085	–	g.completeExceptionally(ex);
1086	–	f.complete(v1);
1087	–	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1088	–
1089	–	checkCompletedWithWrappedCFException(h, ex);
1090	–	checkCompletedWithWrappedCFException(g, ex);
1091	–	assertFalse(r.ran);
1092	–	checkCompletedNormally(f, v1);
1093	–	}
1094	–	}
1095	–
1096	–	public void testRunAfterBoth_exceptionalCompletion4() {
1097	–	for (Integer v1 : new Integer[] { 1, null }) {
1098	–
937		final CompletableFuture<Integer> f = new CompletableFuture<>();
938	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
939	<	final Noop r = new Noop();
940	<	final CFException ex = new CFException();
941	<
942	<	f.completeExceptionally(ex);
943	<	g.complete(v1);
944	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
945	<
946	<	checkCompletedWithWrappedCFException(h, ex);
947	<	checkCompletedWithWrappedCFException(f, ex);
948	<	assertFalse(r.ran);
949	<	checkCompletedNormally(g, v1);
950	<	}
951	<	}
938	>	if (!createIncomplete) f.completeExceptionally(ex);
939	>	final CompletableFuture<Integer> g = m.whenComplete
940	>	(f,
941	>	(Integer x, Throwable t) -> {
942	>	m.checkExecutionMode();
943	>	threadAssertNull(x);
944	>	threadAssertSame(t, ex);
945	>	a.getAndIncrement();
946	>	});
947	>	if (createIncomplete) f.completeExceptionally(ex);
948	>
949	>	checkCompletedWithWrappedException(g, ex);
950	>	checkCompletedExceptionally(f, ex);
951	>	assertEquals(1, a.get());
952	>	}}
953
954		/**
955	<	* runAfterBoth result completes exceptionally if action does
955	>	* whenComplete action executes on cancelled source, propagating
956	>	* CancellationException.
957		*/
958	<	public void testRunAfterBoth_actionFailed1() {
959	<	for (Integer v1 : new Integer[] { 1, null })
960	<	for (Integer v2 : new Integer[] { 2, null }) {
961	<
958	>	public void testWhenComplete_sourceCancelled() {
959	>	for (ExecutionMode m : ExecutionMode.values())
960	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
961	>	for (boolean createIncomplete : new boolean[] { true, false })
962	>	{
963	>	final AtomicInteger a = new AtomicInteger(0);
964		final CompletableFuture<Integer> f = new CompletableFuture<>();
965	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
966	<	final FailingNoop r = new FailingNoop();
967	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
965	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
966	>	final CompletableFuture<Integer> g = m.whenComplete
967	>	(f,
968	>	(Integer x, Throwable t) -> {
969	>	m.checkExecutionMode();
970	>	threadAssertNull(x);
971	>	threadAssertTrue(t instanceof CancellationException);
972	>	a.getAndIncrement();
973	>	});
974	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
975
976	<	f.complete(v1);
977	<	checkIncomplete(h);
978	<	g.complete(v2);
979	<
1131	<	checkCompletedWithWrappedCFException(h);
1132	<	checkCompletedNormally(f, v1);
1133	<	checkCompletedNormally(g, v2);
1134	<	}
1135	<	}
976	>	checkCompletedWithWrappedCancellationException(g);
977	>	checkCancelled(f);
978	>	assertEquals(1, a.get());
979	>	}}
980
981	<	public void testRunAfterBoth_actionFailed2() {
981	>	/**
982	>	* If a whenComplete action throws an exception when triggered by
983	>	* a normal completion, it completes exceptionally
984	>	*/
985	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
986	>	for (boolean createIncomplete : new boolean[] { true, false })
987	>	for (ExecutionMode m : ExecutionMode.values())
988		for (Integer v1 : new Integer[] { 1, null })
989	<	for (Integer v2 : new Integer[] { 2, null }) {
990	<
989	>	{
990	>	final AtomicInteger a = new AtomicInteger(0);
991	>	final CFException ex = new CFException();
992		final CompletableFuture<Integer> f = new CompletableFuture<>();
993	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
994	<	final FailingNoop r = new FailingNoop();
995	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
996	<
997	<	g.complete(v2);
998	<	checkIncomplete(h);
999	<	f.complete(v1);
993	>	if (!createIncomplete) assertTrue(f.complete(v1));
994	>	final CompletableFuture<Integer> g = m.whenComplete
995	>	(f,
996	>	(Integer x, Throwable t) -> {
997	>	m.checkExecutionMode();
998	>	threadAssertSame(x, v1);
999	>	threadAssertNull(t);
1000	>	a.getAndIncrement();
1001	>	throw ex;
1002	>	});
1003	>	if (createIncomplete) assertTrue(f.complete(v1));
1004
1005	<	checkCompletedWithWrappedCFException(h);
1005	>	checkCompletedWithWrappedException(g, ex);
1006		checkCompletedNormally(f, v1);
1007	<	checkCompletedNormally(g, v2);
1008	<	}
1154	<	}
1007	>	assertEquals(1, a.get());
1008	>	}}
1009
1010		/**
1011	<	* runAfterBoth result completes exceptionally if either source cancelled
1011	>	* If a whenComplete action throws an exception when triggered by
1012	>	* a source completion that also throws an exception, the source
1013	>	* exception takes precedence.
1014		*/
1015	<	public void testRunAfterBoth_sourceCancelled1() {
1016	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1017	<	for (Integer v1 : new Integer[] { 1, null }) {
1018	<
1019	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1020	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1021	<	final Noop r = new Noop();
1166	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1167	<
1168	<	assertTrue(f.cancel(mayInterruptIfRunning));
1169	<	checkIncomplete(h);
1170	<	g.complete(v1);
1171	<
1172	<	checkCompletedWithWrappedCancellationException(h);
1173	<	checkCancelled(f);
1174	<	assertFalse(r.ran);
1175	<	checkCompletedNormally(g, v1);
1176	<	}
1177	<	}
1178	<
1179	<	public void testRunAfterBoth_sourceCancelled2() {
1180	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1181	<	for (Integer v1 : new Integer[] { 1, null }) {
1182	<
1015	>	public void testWhenComplete_actionFailedSourceFailed() {
1016	>	for (boolean createIncomplete : new boolean[] { true, false })
1017	>	for (ExecutionMode m : ExecutionMode.values())
1018	>	{
1019	>	final AtomicInteger a = new AtomicInteger(0);
1020	>	final CFException ex1 = new CFException();
1021	>	final CFException ex2 = new CFException();
1022		final CompletableFuture<Integer> f = new CompletableFuture<>();
1184	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1185	–	final Noop r = new Noop();
1186	–	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1187	–
1188	–	assertTrue(g.cancel(mayInterruptIfRunning));
1189	–	checkIncomplete(h);
1190	–	f.complete(v1);
1191	–
1192	–	checkCompletedWithWrappedCancellationException(h);
1193	–	checkCancelled(g);
1194	–	assertFalse(r.ran);
1195	–	checkCompletedNormally(f, v1);
1196	–	}
1197	–	}
1198	–
1199	–	public void testRunAfterBoth_sourceCancelled3() {
1200	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1201	–	for (Integer v1 : new Integer[] { 1, null }) {
1023
1024	+	if (!createIncomplete) f.completeExceptionally(ex1);
1025	+	final CompletableFuture<Integer> g = m.whenComplete
1026	+	(f,
1027	+	(Integer x, Throwable t) -> {
1028	+	m.checkExecutionMode();
1029	+	threadAssertSame(t, ex1);
1030	+	threadAssertNull(x);
1031	+	a.getAndIncrement();
1032	+	throw ex2;
1033	+	});
1034	+	if (createIncomplete) f.completeExceptionally(ex1);
1035	+
1036	+	checkCompletedWithWrappedException(g, ex1);
1037	+	checkCompletedExceptionally(f, ex1);
1038	+	assertEquals(1, a.get());
1039	+	}}
1040	+
1041	+	/**
1042	+	* handle action completes normally with function value on normal
1043	+	* completion of source
1044	+	*/
1045	+	public void testHandle_normalCompletion() {
1046	+	for (ExecutionMode m : ExecutionMode.values())
1047	+	for (boolean createIncomplete : new boolean[] { true, false })
1048	+	for (Integer v1 : new Integer[] { 1, null })
1049	+	{
1050		final CompletableFuture<Integer> f = new CompletableFuture<>();
1051	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1052	<	final Noop r = new Noop();
1053	<
1054	<	assertTrue(g.cancel(mayInterruptIfRunning));
1055	<	f.complete(v1);
1056	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1051	>	final AtomicInteger a = new AtomicInteger(0);
1052	>	if (!createIncomplete) assertTrue(f.complete(v1));
1053	>	final CompletableFuture<Integer> g = m.handle
1054	>	(f,
1055	>	(Integer x, Throwable t) -> {
1056	>	m.checkExecutionMode();
1057	>	threadAssertSame(x, v1);
1058	>	threadAssertNull(t);
1059	>	a.getAndIncrement();
1060	>	return inc(v1);
1061	>	});
1062	>	if (createIncomplete) assertTrue(f.complete(v1));
1063
1064	<	checkCompletedWithWrappedCancellationException(h);
1212	<	checkCancelled(g);
1213	<	assertFalse(r.ran);
1064	>	checkCompletedNormally(g, inc(v1));
1065		checkCompletedNormally(f, v1);
1066	<	}
1067	<	}
1217	<
1218	<	public void testRunAfterBoth_sourceCancelled4() {
1219	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1220	<	for (Integer v1 : new Integer[] { 1, null }) {
1221	<
1222	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1223	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1224	<	final Noop r = new Noop();
1225	<
1226	<	assertTrue(f.cancel(mayInterruptIfRunning));
1227	<	g.complete(v1);
1228	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1229	<
1230	<	checkCompletedWithWrappedCancellationException(h);
1231	<	checkCancelled(f);
1232	<	assertFalse(r.ran);
1233	<	checkCompletedNormally(g, v1);
1234	<	}
1235	<	}
1236	<
1237	<	/**
1238	<	* applyToEither result completes normally after normal completion
1239	<	* of either source
1240	<	*/
1241	<	public void testApplyToEither() {
1242	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1243	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1244	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1245	<	f.complete(one);
1246	<	checkCompletedNormally(g, two);
1247	<	f2.complete(one);
1248	<	checkCompletedNormally(g, two);
1249	<
1250	<	f = new CompletableFuture<>();
1251	<	f.complete(one);
1252	<	f2 = new CompletableFuture<>();
1253	<	g = f.applyToEither(f2, inc);
1254	<	checkCompletedNormally(g, two);
1255	<	}
1256	<
1257	<	/**
1258	<	* applyToEither result completes exceptionally after exceptional
1259	<	* completion of either source
1260	<	*/
1261	<	public void testApplyToEither2() {
1262	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1263	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1264	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1265	<	f.completeExceptionally(new CFException());
1266	<	f2.complete(one);
1267	<	checkCompletedWithWrappedCFException(g);
1268	<
1269	<	f = new CompletableFuture<>();
1270	<	f2 = new CompletableFuture<>();
1271	<	f2.completeExceptionally(new CFException());
1272	<	g = f.applyToEither(f2, inc);
1273	<	checkCompletedWithWrappedCFException(g);
1274	<	}
1275	<
1276	<	/**
1277	<	* applyToEither result completes exceptionally if action does
1278	<	*/
1279	<	public void testApplyToEither3() {
1280	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1281	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1282	<	FailingFunction r = new FailingFunction();
1283	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
1284	<	f2.complete(two);
1285	<	checkCompletedWithWrappedCFException(g);
1286	<	}
1287	<
1288	<	/**
1289	<	* applyToEither result completes exceptionally if either source cancelled
1290	<	*/
1291	<	public void testApplyToEither4() {
1292	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1293	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1294	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1295	<	assertTrue(f.cancel(true));
1296	<	checkCompletedWithWrappedCancellationException(g);
1297	<	f = new CompletableFuture<>();
1298	<	f2 = new CompletableFuture<>();
1299	<	assertTrue(f2.cancel(true));
1300	<	checkCompletedWithWrappedCancellationException(g);
1301	<	}
1302	<
1303	<	/**
1304	<	* acceptEither result completes normally after normal completion
1305	<	* of either source
1306	<	*/
1307	<	public void testAcceptEither() {
1308	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1309	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1310	<	IncAction r = new IncAction();
1311	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1312	<	f.complete(one);
1313	<	checkCompletedNormally(g, null);
1314	<	f2.complete(one);
1315	<	checkCompletedNormally(g, null);
1316	<	assertEquals(r.value, 2);
1317	<
1318	<	r = new IncAction();
1319	<	f = new CompletableFuture<>();
1320	<	f.complete(one);
1321	<	f2 = new CompletableFuture<>();
1322	<	g = f.acceptEither(f2, r);
1323	<	checkCompletedNormally(g, null);
1324	<	assertEquals(r.value, 2);
1325	<	}
1066	>	assertEquals(1, a.get());
1067	>	}}
1068
1069		/**
1070	<	* acceptEither result completes exceptionally after exceptional
1071	<	* completion of either source
1330	<	*/
1331	<	public void testAcceptEither2() {
1332	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1333	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1334	<	IncAction r = new IncAction();
1335	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1336	<	f.completeExceptionally(new CFException());
1337	<	f2.complete(one);
1338	<	checkCompletedWithWrappedCFException(g);
1339	<
1340	<	r = new IncAction();
1341	<	f = new CompletableFuture<>();
1342	<	f2 = new CompletableFuture<>();
1343	<	f2.completeExceptionally(new CFException());
1344	<	g = f.acceptEither(f2, r);
1345	<	checkCompletedWithWrappedCFException(g);
1346	<	}
1347	<
1348	<	/**
1349	<	* acceptEither result completes exceptionally if action does
1070	>	* handle action completes normally with function value on
1071	>	* exceptional completion of source
1072		*/
1073	<	public void testAcceptEither3() {
1074	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1075	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1076	<	FailingConsumer r = new FailingConsumer();
1077	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1078	<	f2.complete(two);
1079	<	checkCompletedWithWrappedCFException(g);
1080	<	}
1073	>	public void testHandle_exceptionalCompletion() {
1074	>	for (ExecutionMode m : ExecutionMode.values())
1075	>	for (boolean createIncomplete : new boolean[] { true, false })
1076	>	for (Integer v1 : new Integer[] { 1, null })
1077	>	{
1078	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1079	>	final AtomicInteger a = new AtomicInteger(0);
1080	>	final CFException ex = new CFException();
1081	>	if (!createIncomplete) f.completeExceptionally(ex);
1082	>	final CompletableFuture<Integer> g = m.handle
1083	>	(f,
1084	>	(Integer x, Throwable t) -> {
1085	>	m.checkExecutionMode();
1086	>	threadAssertNull(x);
1087	>	threadAssertSame(t, ex);
1088	>	a.getAndIncrement();
1089	>	return v1;
1090	>	});
1091	>	if (createIncomplete) f.completeExceptionally(ex);
1092
1093	<	/**
1094	<	* acceptEither result completes exceptionally if either source cancelled
1095	<	*/
1096	<	public void testAcceptEither4() {
1364	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1365	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1366	<	IncAction r = new IncAction();
1367	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1368	<	assertTrue(f.cancel(true));
1369	<	checkCompletedWithWrappedCancellationException(g);
1370	<	f = new CompletableFuture<>();
1371	<	f2 = new CompletableFuture<>();
1372	<	assertTrue(f2.cancel(true));
1373	<	checkCompletedWithWrappedCancellationException(g);
1374	<	}
1093	>	checkCompletedNormally(g, v1);
1094	>	checkCompletedExceptionally(f, ex);
1095	>	assertEquals(1, a.get());
1096	>	}}
1097
1098		/**
1099	<	* runAfterEither result completes normally after normal completion
1100	<	* of either source
1099	>	* handle action completes normally with function value on
1100	>	* cancelled source
1101		*/
1102	<	public void testRunAfterEither() {
1103	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1104	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1105	<	Noop r = new Noop();
1106	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1107	<	f.complete(one);
1108	<	checkCompletedNormally(g, null);
1109	<	f2.complete(one);
1110	<	checkCompletedNormally(g, null);
1111	<	assertTrue(r.ran);
1102	>	public void testHandle_sourceCancelled() {
1103	>	for (ExecutionMode m : ExecutionMode.values())
1104	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1105	>	for (boolean createIncomplete : new boolean[] { true, false })
1106	>	for (Integer v1 : new Integer[] { 1, null })
1107	>	{
1108	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1109	>	final AtomicInteger a = new AtomicInteger(0);
1110	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1111	>	final CompletableFuture<Integer> g = m.handle
1112	>	(f,
1113	>	(Integer x, Throwable t) -> {
1114	>	m.checkExecutionMode();
1115	>	threadAssertNull(x);
1116	>	threadAssertTrue(t instanceof CancellationException);
1117	>	a.getAndIncrement();
1118	>	return v1;
1119	>	});
1120	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1121
1122	<	r = new Noop();
1123	<	f = new CompletableFuture<>();
1124	<	f.complete(one);
1125	<	f2 = new CompletableFuture<>();
1395	<	g = f.runAfterEither(f2, r);
1396	<	checkCompletedNormally(g, null);
1397	<	assertTrue(r.ran);
1398	<	}
1122	>	checkCompletedNormally(g, v1);
1123	>	checkCancelled(f);
1124	>	assertEquals(1, a.get());
1125	>	}}
1126
1127		/**
1128	<	* runAfterEither result completes exceptionally after exceptional
1402	<	* completion of either source
1128	>	* handle result completes exceptionally if action does
1129		*/
1130	<	public void testRunAfterEither2() {
1131	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1132	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1133	<	Noop r = new Noop();
1134	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1135	<	f.completeExceptionally(new CFException());
1136	<	f2.complete(one);
1137	<	checkCompletedWithWrappedCFException(g);
1138	<
1139	<	r = new Noop();
1140	<	f = new CompletableFuture<>();
1141	<	f2 = new CompletableFuture<>();
1142	<	f2.completeExceptionally(new CFException());
1143	<	g = f.runAfterEither(f2, r);
1144	<	checkCompletedWithWrappedCFException(g);
1145	<	}
1130	>	public void testHandle_sourceFailedActionFailed() {
1131	>	for (ExecutionMode m : ExecutionMode.values())
1132	>	for (boolean createIncomplete : new boolean[] { true, false })
1133	>	{
1134	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1135	>	final AtomicInteger a = new AtomicInteger(0);
1136	>	final CFException ex1 = new CFException();
1137	>	final CFException ex2 = new CFException();
1138	>	if (!createIncomplete) f.completeExceptionally(ex1);
1139	>	final CompletableFuture<Integer> g = m.handle
1140	>	(f,
1141	>	(Integer x, Throwable t) -> {
1142	>	m.checkExecutionMode();
1143	>	threadAssertNull(x);
1144	>	threadAssertSame(ex1, t);
1145	>	a.getAndIncrement();
1146	>	throw ex2;
1147	>	});
1148	>	if (createIncomplete) f.completeExceptionally(ex1);
1149	>
1150	>	checkCompletedWithWrappedException(g, ex2);
1151	>	checkCompletedExceptionally(f, ex1);
1152	>	assertEquals(1, a.get());
1153	>	}}
1154
1155		/**
1156	<	* runAfterEither result completes exceptionally if action does
1156	>	* If a "handle action" throws an exception when triggered by
1157	>	* a normal completion, it completes exceptionally
1158		*/
1159	<	public void testRunAfterEither3() {
1160	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1161	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1162	<	FailingNoop r = new FailingNoop();
1163	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1164	<	f2.complete(two);
1165	<	checkCompletedWithWrappedCFException(g);
1166	<	}
1159	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1160	>	for (ExecutionMode m : ExecutionMode.values())
1161	>	for (boolean createIncomplete : new boolean[] { true, false })
1162	>	for (Integer v1 : new Integer[] { 1, null })
1163	>	{
1164	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1165	>	final AtomicInteger a = new AtomicInteger(0);
1166	>	final CFException ex = new CFException();
1167	>	if (!createIncomplete) assertTrue(f.complete(v1));
1168	>	final CompletableFuture<Integer> g = m.handle
1169	>	(f,
1170	>	(Integer x, Throwable t) -> {
1171	>	m.checkExecutionMode();
1172	>	threadAssertSame(x, v1);
1173	>	threadAssertNull(t);
1174	>	a.getAndIncrement();
1175	>	throw ex;
1176	>	});
1177	>	if (createIncomplete) assertTrue(f.complete(v1));
1178
1179	<	/**
1180	<	* runAfterEither result completes exceptionally if either source cancelled
1181	<	*/
1182	<	public void testRunAfterEither4() {
1437	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1438	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1439	<	Noop r = new Noop();
1440	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1441	<	assertTrue(f.cancel(true));
1442	<	checkCompletedWithWrappedCancellationException(g);
1443	<	f = new CompletableFuture<>();
1444	<	f2 = new CompletableFuture<>();
1445	<	assertTrue(f2.cancel(true));
1446	<	checkCompletedWithWrappedCancellationException(g);
1447	<	}
1179	>	checkCompletedWithWrappedException(g, ex);
1180	>	checkCompletedNormally(f, v1);
1181	>	assertEquals(1, a.get());
1182	>	}}
1183
1184		/**
1185	<	* thenCompose result completes normally after normal completion of source
1185	>	* runAsync completes after running Runnable
1186		*/
1187	<	public void testThenCompose() {
1188	<	CompletableFuture<Integer> f, g;
1189	<	CompletableFutureInc r;
1190	<
1191	<	f = new CompletableFuture<>();
1192	<	g = f.thenCompose(r = new CompletableFutureInc());
1193	<	f.complete(one);
1194	<	checkCompletedNormally(g, two);
1195	<	assertTrue(r.ran);
1196	<
1197	<	f = new CompletableFuture<>();
1198	<	f.complete(one);
1199	<	g = f.thenCompose(r = new CompletableFutureInc());
1465	<	checkCompletedNormally(g, two);
1466	<	assertTrue(r.ran);
1467	<	}
1187	>	public void testRunAsync_normalCompletion() {
1188	>	ExecutionMode[] executionModes = {
1189	>	ExecutionMode.ASYNC,
1190	>	ExecutionMode.EXECUTOR,
1191	>	};
1192	>	for (ExecutionMode m : executionModes)
1193	>	{
1194	>	final Noop r = new Noop(m);
1195	>	final CompletableFuture<Void> f = m.runAsync(r);
1196	>	assertNull(f.join());
1197	>	checkCompletedNormally(f, null);
1198	>	r.assertInvoked();
1199	>	}}
1200
1201		/**
1202	<	* thenCompose result completes exceptionally after exceptional
1471	<	* completion of source
1202	>	* failing runAsync completes exceptionally after running Runnable
1203		*/
1204	<	public void testThenCompose2() {
1205	<	CompletableFuture<Integer> f, g;
1206	<	CompletableFutureInc r;
1207	<
1208	<	f = new CompletableFuture<>();
1209	<	g = f.thenCompose(r = new CompletableFutureInc());
1210	<	f.completeExceptionally(new CFException());
1211	<	checkCompletedWithWrappedCFException(g);
1212	<
1213	<	f = new CompletableFuture<>();
1214	<	f.completeExceptionally(new CFException());
1215	<	g = f.thenCompose(r = new CompletableFutureInc());
1485	<	checkCompletedWithWrappedCFException(g);
1486	<	}
1204	>	public void testRunAsync_exceptionalCompletion() {
1205	>	ExecutionMode[] executionModes = {
1206	>	ExecutionMode.ASYNC,
1207	>	ExecutionMode.EXECUTOR,
1208	>	};
1209	>	for (ExecutionMode m : executionModes)
1210	>	{
1211	>	final FailingRunnable r = new FailingRunnable(m);
1212	>	final CompletableFuture<Void> f = m.runAsync(r);
1213	>	checkCompletedWithWrappedCFException(f);
1214	>	r.assertInvoked();
1215	>	}}
1216
1217		/**
1218	<	* thenCompose result completes exceptionally if action does
1218	>	* supplyAsync completes with result of supplier
1219		*/
1220	<	public void testThenCompose3() {
1221	<	CompletableFuture<Integer> f, g;
1222	<	FailingCompletableFutureFunction r;
1223	<
1224	<	f = new CompletableFuture<>();
1225	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1226	<	f.complete(one);
1227	<	checkCompletedWithWrappedCFException(g);
1228	<
1229	<	f = new CompletableFuture<>();
1230	<	f.complete(one);
1231	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1232	<	checkCompletedWithWrappedCFException(g);
1233	<	}
1220	>	public void testSupplyAsync_normalCompletion() {
1221	>	ExecutionMode[] executionModes = {
1222	>	ExecutionMode.ASYNC,
1223	>	ExecutionMode.EXECUTOR,
1224	>	};
1225	>	for (ExecutionMode m : executionModes)
1226	>	for (Integer v1 : new Integer[] { 1, null })
1227	>	{
1228	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1229	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1230	>	assertSame(v1, f.join());
1231	>	checkCompletedNormally(f, v1);
1232	>	r.assertInvoked();
1233	>	}}
1234
1235		/**
1236	<	* thenCompose result completes exceptionally if source cancelled
1236	>	* Failing supplyAsync completes exceptionally
1237		*/
1238	<	public void testThenCompose4() {
1239	<	CompletableFuture<Integer> f, g;
1240	<	CompletableFutureInc r;
1241	<
1242	<	f = new CompletableFuture<>();
1243	<	g = f.thenCompose(r = new CompletableFutureInc());
1244	<	assertTrue(f.cancel(true));
1245	<	checkCompletedWithWrappedCancellationException(g);
1246	<
1247	<	f = new CompletableFuture<>();
1248	<	assertTrue(f.cancel(true));
1249	<	g = f.thenCompose(r = new CompletableFutureInc());
1521	<	checkCompletedWithWrappedCancellationException(g);
1522	<	}
1238	>	public void testSupplyAsync_exceptionalCompletion() {
1239	>	ExecutionMode[] executionModes = {
1240	>	ExecutionMode.ASYNC,
1241	>	ExecutionMode.EXECUTOR,
1242	>	};
1243	>	for (ExecutionMode m : executionModes)
1244	>	{
1245	>	FailingSupplier r = new FailingSupplier(m);
1246	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1247	>	checkCompletedWithWrappedCFException(f);
1248	>	r.assertInvoked();
1249	>	}}
1250
1251	<	// asyncs
1251	>	// seq completion methods
1252
1253		/**
1254	<	* thenRunAsync result completes normally after normal completion of source
1254	>	* thenRun result completes normally after normal completion of source
1255		*/
1256	<	public void testThenRunAsync() {
1257	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1258	<	Noop r = new Noop();
1259	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1260	<	f.complete(null);
1261	<	checkCompletedNormally(g, null);
1256	>	public void testThenRun_normalCompletion() {
1257	>	for (ExecutionMode m : ExecutionMode.values())
1258	>	for (Integer v1 : new Integer[] { 1, null })
1259	>	{
1260	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1261	>	final Noop[] rs = new Noop[6];
1262	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1263
1264	<	// reordered version
1265	<	f = new CompletableFuture<>();
1266	<	f.complete(null);
1267	<	r = new Noop();
1268	<	g = f.thenRunAsync(r);
1269	<	checkCompletedNormally(g, null);
1270	<	}
1264	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1265	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1266	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1267	>	checkIncomplete(h0);
1268	>	checkIncomplete(h1);
1269	>	checkIncomplete(h2);
1270	>	assertTrue(f.complete(v1));
1271	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1272	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1273	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1274	>
1275	>	checkCompletedNormally(h0, null);
1276	>	checkCompletedNormally(h1, null);
1277	>	checkCompletedNormally(h2, null);
1278	>	checkCompletedNormally(h3, null);
1279	>	checkCompletedNormally(h4, null);
1280	>	checkCompletedNormally(h5, null);
1281	>	checkCompletedNormally(f, v1);
1282	>	for (Noop r : rs) r.assertInvoked();
1283	>	}}
1284
1285		/**
1286	<	* thenRunAsync result completes exceptionally after exceptional
1286	>	* thenRun result completes exceptionally after exceptional
1287		* completion of source
1288		*/
1289	<	public void testThenRunAsync2() {
1290	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1291	<	Noop r = new Noop();
1292	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1293	<	f.completeExceptionally(new CFException());
1294	<	try {
1295	<	g.join();
1555	<	shouldThrow();
1556	<	} catch (CompletionException success) {}
1557	<	checkCompletedWithWrappedCFException(g);
1558	<	}
1289	>	public void testThenRun_exceptionalCompletion() {
1290	>	for (ExecutionMode m : ExecutionMode.values())
1291	>	{
1292	>	final CFException ex = new CFException();
1293	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1294	>	final Noop[] rs = new Noop[6];
1295	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1296
1297	<	/**
1298	<	* thenRunAsync result completes exceptionally if action does
1299	<	*/
1300	<	public void testThenRunAsync3() {
1301	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1302	<	FailingNoop r = new FailingNoop();
1303	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1304	<	f.complete(null);
1305	<	checkCompletedWithWrappedCFException(g);
1306	<	}
1297	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1298	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1299	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1300	>	checkIncomplete(h0);
1301	>	checkIncomplete(h1);
1302	>	checkIncomplete(h2);
1303	>	assertTrue(f.completeExceptionally(ex));
1304	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1305	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1306	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1307	>
1308	>	checkCompletedWithWrappedException(h0, ex);
1309	>	checkCompletedWithWrappedException(h1, ex);
1310	>	checkCompletedWithWrappedException(h2, ex);
1311	>	checkCompletedWithWrappedException(h3, ex);
1312	>	checkCompletedWithWrappedException(h4, ex);
1313	>	checkCompletedWithWrappedException(h5, ex);
1314	>	checkCompletedExceptionally(f, ex);
1315	>	for (Noop r : rs) r.assertNotInvoked();
1316	>	}}
1317
1318		/**
1319	<	* thenRunAsync result completes exceptionally if source cancelled
1319	>	* thenRun result completes exceptionally if source cancelled
1320		*/
1321	<	public void testThenRunAsync4() {
1322	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1323	<	Noop r = new Noop();
1324	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1325	<	assertTrue(f.cancel(true));
1326	<	checkCompletedWithWrappedCancellationException(g);
1327	<	}
1321	>	public void testThenRun_sourceCancelled() {
1322	>	for (ExecutionMode m : ExecutionMode.values())
1323	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1324	>	{
1325	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1326	>	final Noop[] rs = new Noop[6];
1327	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1328
1329	<	/**
1330	<	* thenApplyAsync result completes normally after normal completion of source
1331	<	*/
1332	<	public void testThenApplyAsync() {
1333	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1334	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1335	<	f.complete(one);
1336	<	checkCompletedNormally(g, two);
1337	<	}
1329	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1330	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1331	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1332	>	checkIncomplete(h0);
1333	>	checkIncomplete(h1);
1334	>	checkIncomplete(h2);
1335	>	assertTrue(f.cancel(mayInterruptIfRunning));
1336	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1337	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1338	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1339	>
1340	>	checkCompletedWithWrappedCancellationException(h0);
1341	>	checkCompletedWithWrappedCancellationException(h1);
1342	>	checkCompletedWithWrappedCancellationException(h2);
1343	>	checkCompletedWithWrappedCancellationException(h3);
1344	>	checkCompletedWithWrappedCancellationException(h4);
1345	>	checkCompletedWithWrappedCancellationException(h5);
1346	>	checkCancelled(f);
1347	>	for (Noop r : rs) r.assertNotInvoked();
1348	>	}}
1349
1350		/**
1351	<	* thenApplyAsync result completes exceptionally after exceptional
1594	<	* completion of source
1351	>	* thenRun result completes exceptionally if action does
1352		*/
1353	<	public void testThenApplyAsync2() {
1354	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1355	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1356	<	f.completeExceptionally(new CFException());
1357	<	checkCompletedWithWrappedCFException(g);
1358	<	}
1353	>	public void testThenRun_actionFailed() {
1354	>	for (ExecutionMode m : ExecutionMode.values())
1355	>	for (Integer v1 : new Integer[] { 1, null })
1356	>	{
1357	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1358	>	final FailingRunnable[] rs = new FailingRunnable[6];
1359	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1360
1361	<	/**
1362	<	* thenApplyAsync result completes exceptionally if action does
1363	<	*/
1364	<	public void testThenApplyAsync3() {
1365	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1366	<	FailingFunction r = new FailingFunction();
1367	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1368	<	f.complete(null);
1369	<	checkCompletedWithWrappedCFException(g);
1370	<	}
1361	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1362	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1363	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1364	>	assertTrue(f.complete(v1));
1365	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1366	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1367	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1368	>
1369	>	checkCompletedWithWrappedCFException(h0);
1370	>	checkCompletedWithWrappedCFException(h1);
1371	>	checkCompletedWithWrappedCFException(h2);
1372	>	checkCompletedWithWrappedCFException(h3);
1373	>	checkCompletedWithWrappedCFException(h4);
1374	>	checkCompletedWithWrappedCFException(h5);
1375	>	checkCompletedNormally(f, v1);
1376	>	}}
1377
1378		/**
1379	<	* thenApplyAsync result completes exceptionally if source cancelled
1379	>	* thenApply result completes normally after normal completion of source
1380		*/
1381	<	public void testThenApplyAsync4() {
1382	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1383	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1384	<	assertTrue(f.cancel(true));
1385	<	checkCompletedWithWrappedCancellationException(g);
1386	<	}
1381	>	public void testThenApply_normalCompletion() {
1382	>	for (ExecutionMode m : ExecutionMode.values())
1383	>	for (Integer v1 : new Integer[] { 1, null })
1384	>	{
1385	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1386	>	final IncFunction[] rs = new IncFunction[4];
1387	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1388
1389	<	/**
1390	<	* thenAcceptAsync result completes normally after normal
1391	<	* completion of source
1392	<	*/
1393	<	public void testThenAcceptAsync() {
1394	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1395	<	IncAction r = new IncAction();
1396	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1397	<	f.complete(one);
1398	<	checkCompletedNormally(g, null);
1399	<	assertEquals(r.value, 2);
1400	<	}
1389	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1390	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1391	>	checkIncomplete(h0);
1392	>	checkIncomplete(h1);
1393	>	assertTrue(f.complete(v1));
1394	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1395	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1396	>
1397	>	checkCompletedNormally(h0, inc(v1));
1398	>	checkCompletedNormally(h1, inc(v1));
1399	>	checkCompletedNormally(h2, inc(v1));
1400	>	checkCompletedNormally(h3, inc(v1));
1401	>	checkCompletedNormally(f, v1);
1402	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1403	>	}}
1404
1405		/**
1406	<	* thenAcceptAsync result completes exceptionally after exceptional
1406	>	* thenApply result completes exceptionally after exceptional
1407		* completion of source
1408		*/
1409	<	public void testThenAcceptAsync2() {
1410	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1411	<	IncAction r = new IncAction();
1412	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1413	<	f.completeExceptionally(new CFException());
1414	<	checkCompletedWithWrappedCFException(g);
1415	<	}
1648	<
1649	<	/**
1650	<	* thenAcceptAsync result completes exceptionally if action does
1651	<	*/
1652	<	public void testThenAcceptAsync3() {
1653	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1654	<	FailingConsumer r = new FailingConsumer();
1655	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1656	<	f.complete(null);
1657	<	checkCompletedWithWrappedCFException(g);
1658	<	}
1659	<
1660	<	/**
1661	<	* thenAcceptAsync result completes exceptionally if source cancelled
1662	<	*/
1663	<	public void testThenAcceptAsync4() {
1664	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1665	<	IncAction r = new IncAction();
1666	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1667	<	assertTrue(f.cancel(true));
1668	<	checkCompletedWithWrappedCancellationException(g);
1669	<	}
1670	<
1671	<	/**
1672	<	* thenCombineAsync result completes normally after normal
1673	<	* completion of sources
1674	<	*/
1675	<	public void testThenCombineAsync() {
1676	<	CompletableFuture<Integer> f, g, h;
1677	<
1678	<	f = new CompletableFuture<>();
1679	<	g = new CompletableFuture<>();
1680	<	h = f.thenCombineAsync(g, subtract);
1681	<	f.complete(3);
1682	<	checkIncomplete(h);
1683	<	g.complete(1);
1684	<	checkCompletedNormally(h, 2);
1685	<
1686	<	f = new CompletableFuture<>();
1687	<	g = new CompletableFuture<>();
1688	<	h = f.thenCombineAsync(g, subtract);
1689	<	g.complete(1);
1690	<	checkIncomplete(h);
1691	<	f.complete(3);
1692	<	checkCompletedNormally(h, 2);
1409	>	public void testThenApply_exceptionalCompletion() {
1410	>	for (ExecutionMode m : ExecutionMode.values())
1411	>	{
1412	>	final CFException ex = new CFException();
1413	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1414	>	final IncFunction[] rs = new IncFunction[4];
1415	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1416
1417	<	f = new CompletableFuture<>();
1418	<	g = new CompletableFuture<>();
1419	<	g.complete(1);
1420	<	f.complete(3);
1421	<	h = f.thenCombineAsync(g, subtract);
1422	<	checkCompletedNormally(h, 2);
1423	<	}
1417	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1418	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1419	>	assertTrue(f.completeExceptionally(ex));
1420	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1421	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1422	>
1423	>	checkCompletedWithWrappedException(h0, ex);
1424	>	checkCompletedWithWrappedException(h1, ex);
1425	>	checkCompletedWithWrappedException(h2, ex);
1426	>	checkCompletedWithWrappedException(h3, ex);
1427	>	checkCompletedExceptionally(f, ex);
1428	>	for (IncFunction r : rs) r.assertNotInvoked();
1429	>	}}
1430
1431		/**
1432	<	* thenCombineAsync result completes exceptionally after exceptional
1704	<	* completion of either source
1432	>	* thenApply result completes exceptionally if source cancelled
1433		*/
1434	<	public void testThenCombineAsync2() {
1435	<	CompletableFuture<Integer> f, g, h;
1436	<
1437	<	f = new CompletableFuture<>();
1438	<	g = new CompletableFuture<>();
1439	<	h = f.thenCombineAsync(g, subtract);
1440	<	f.completeExceptionally(new CFException());
1713	<	checkIncomplete(h);
1714	<	g.complete(1);
1715	<	checkCompletedWithWrappedCFException(h);
1716	<
1717	<	f = new CompletableFuture<>();
1718	<	g = new CompletableFuture<>();
1719	<	h = f.thenCombineAsync(g, subtract);
1720	<	g.completeExceptionally(new CFException());
1721	<	checkIncomplete(h);
1722	<	f.complete(3);
1723	<	checkCompletedWithWrappedCFException(h);
1434	>	public void testThenApply_sourceCancelled() {
1435	>	for (ExecutionMode m : ExecutionMode.values())
1436	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1437	>	{
1438	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1439	>	final IncFunction[] rs = new IncFunction[4];
1440	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1441
1442	<	f = new CompletableFuture<>();
1443	<	g = new CompletableFuture<>();
1444	<	g.completeExceptionally(new CFException());
1445	<	f.complete(3);
1446	<	h = f.thenCombineAsync(g, subtract);
1730	<	checkCompletedWithWrappedCFException(h);
1731	<	}
1442	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1443	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1444	>	assertTrue(f.cancel(mayInterruptIfRunning));
1445	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1446	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1447
1448	<	/**
1449	<	* thenCombineAsync result completes exceptionally if action does
1450	<	*/
1451	<	public void testThenCombineAsync3() {
1452	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1453	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1454	<	FailingBiFunction r = new FailingBiFunction();
1740	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1741	<	f.complete(one);
1742	<	checkIncomplete(g);
1743	<	assertFalse(r.ran);
1744	<	f2.complete(two);
1745	<	checkCompletedWithWrappedCFException(g);
1746	<	assertTrue(r.ran);
1747	<	}
1448	>	checkCompletedWithWrappedCancellationException(h0);
1449	>	checkCompletedWithWrappedCancellationException(h1);
1450	>	checkCompletedWithWrappedCancellationException(h2);
1451	>	checkCompletedWithWrappedCancellationException(h3);
1452	>	checkCancelled(f);
1453	>	for (IncFunction r : rs) r.assertNotInvoked();
1454	>	}}
1455
1456		/**
1457	<	* thenCombineAsync result completes exceptionally if either source cancelled
1457	>	* thenApply result completes exceptionally if action does
1458		*/
1459	<	public void testThenCombineAsync4() {
1460	<	CompletableFuture<Integer> f, g, h;
1461	<
1462	<	f = new CompletableFuture<>();
1463	<	g = new CompletableFuture<>();
1464	<	h = f.thenCombineAsync(g, subtract);
1465	<	assertTrue(f.cancel(true));
1759	<	checkIncomplete(h);
1760	<	g.complete(1);
1761	<	checkCompletedWithWrappedCancellationException(h);
1762	<
1763	<	f = new CompletableFuture<>();
1764	<	g = new CompletableFuture<>();
1765	<	h = f.thenCombineAsync(g, subtract);
1766	<	assertTrue(g.cancel(true));
1767	<	checkIncomplete(h);
1768	<	f.complete(3);
1769	<	checkCompletedWithWrappedCancellationException(h);
1770	<
1771	<	f = new CompletableFuture<>();
1772	<	g = new CompletableFuture<>();
1773	<	g.complete(3);
1774	<	assertTrue(f.cancel(true));
1775	<	h = f.thenCombineAsync(g, subtract);
1776	<	checkCompletedWithWrappedCancellationException(h);
1459	>	public void testThenApply_actionFailed() {
1460	>	for (ExecutionMode m : ExecutionMode.values())
1461	>	for (Integer v1 : new Integer[] { 1, null })
1462	>	{
1463	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1464	>	final FailingFunction[] rs = new FailingFunction[4];
1465	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1466
1467	<	f = new CompletableFuture<>();
1468	<	g = new CompletableFuture<>();
1469	<	f.complete(3);
1470	<	assertTrue(g.cancel(true));
1471	<	h = f.thenCombineAsync(g, subtract);
1472	<	checkCompletedWithWrappedCancellationException(h);
1473	<	}
1467	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1468	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1469	>	assertTrue(f.complete(v1));
1470	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1471	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1472	>
1473	>	checkCompletedWithWrappedCFException(h0);
1474	>	checkCompletedWithWrappedCFException(h1);
1475	>	checkCompletedWithWrappedCFException(h2);
1476	>	checkCompletedWithWrappedCFException(h3);
1477	>	checkCompletedNormally(f, v1);
1478	>	}}
1479
1480		/**
1481	<	* thenAcceptBothAsync result completes normally after normal
1788	<	* completion of sources
1481	>	* thenAccept result completes normally after normal completion of source
1482		*/
1483	<	public void testThenAcceptBothAsync() {
1484	<	CompletableFuture<Integer> f, g;
1485	<	CompletableFuture<Void> h;
1486	<	SubtractAction r;
1487	<
1488	<	f = new CompletableFuture<>();
1489	<	g = new CompletableFuture<>();
1797	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1798	<	f.complete(3);
1799	<	checkIncomplete(h);
1800	<	g.complete(1);
1801	<	checkCompletedNormally(h, null);
1802	<	assertEquals(r.value, 2);
1803	<
1804	<	f = new CompletableFuture<>();
1805	<	g = new CompletableFuture<>();
1806	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1807	<	g.complete(1);
1808	<	checkIncomplete(h);
1809	<	f.complete(3);
1810	<	checkCompletedNormally(h, null);
1811	<	assertEquals(r.value, 2);
1483	>	public void testThenAccept_normalCompletion() {
1484	>	for (ExecutionMode m : ExecutionMode.values())
1485	>	for (Integer v1 : new Integer[] { 1, null })
1486	>	{
1487	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1488	>	final NoopConsumer[] rs = new NoopConsumer[4];
1489	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1490
1491	<	f = new CompletableFuture<>();
1492	<	g = new CompletableFuture<>();
1493	<	g.complete(1);
1494	<	f.complete(3);
1495	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1496	<	checkCompletedNormally(h, null);
1497	<	assertEquals(r.value, 2);
1498	<	}
1491	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1492	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1493	>	checkIncomplete(h0);
1494	>	checkIncomplete(h1);
1495	>	assertTrue(f.complete(v1));
1496	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1497	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1498	>
1499	>	checkCompletedNormally(h0, null);
1500	>	checkCompletedNormally(h1, null);
1501	>	checkCompletedNormally(h2, null);
1502	>	checkCompletedNormally(h3, null);
1503	>	checkCompletedNormally(f, v1);
1504	>	for (NoopConsumer r : rs) r.assertValue(v1);
1505	>	}}
1506
1507		/**
1508	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1508	>	* thenAccept result completes exceptionally after exceptional
1509		* completion of source
1510		*/
1511	<	public void testThenAcceptBothAsync2() {
1512	<	CompletableFuture<Integer> f, g;
1513	<	CompletableFuture<Void> h;
1514	<	SubtractAction r;
1515	<
1516	<	f = new CompletableFuture<>();
1517	<	g = new CompletableFuture<>();
1833	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1834	<	f.completeExceptionally(new CFException());
1835	<	checkIncomplete(h);
1836	<	g.complete(1);
1837	<	checkCompletedWithWrappedCFException(h);
1838	<
1839	<	f = new CompletableFuture<>();
1840	<	g = new CompletableFuture<>();
1841	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1842	<	g.completeExceptionally(new CFException());
1843	<	checkIncomplete(h);
1844	<	f.complete(3);
1845	<	checkCompletedWithWrappedCFException(h);
1846	<
1847	<	f = new CompletableFuture<>();
1848	<	g = new CompletableFuture<>();
1849	<	f.complete(3);
1850	<	g.completeExceptionally(new CFException());
1851	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1852	<	checkCompletedWithWrappedCFException(h);
1853	<
1854	<	f = new CompletableFuture<>();
1855	<	g = new CompletableFuture<>();
1856	<	f.completeExceptionally(new CFException());
1857	<	g.complete(3);
1858	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1859	<	checkCompletedWithWrappedCFException(h);
1860	<	}
1861	<
1862	<	/**
1863	<	* thenAcceptBothAsync result completes exceptionally if action does
1864	<	*/
1865	<	public void testThenAcceptBothAsync3() {
1866	<	CompletableFuture<Integer> f, g;
1867	<	CompletableFuture<Void> h;
1868	<	FailingBiConsumer r;
1869	<
1870	<	f = new CompletableFuture<>();
1871	<	g = new CompletableFuture<>();
1872	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1873	<	f.complete(3);
1874	<	checkIncomplete(h);
1875	<	g.complete(1);
1876	<	checkCompletedWithWrappedCFException(h);
1511	>	public void testThenAccept_exceptionalCompletion() {
1512	>	for (ExecutionMode m : ExecutionMode.values())
1513	>	{
1514	>	final CFException ex = new CFException();
1515	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1516	>	final NoopConsumer[] rs = new NoopConsumer[4];
1517	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1518
1519	<	f = new CompletableFuture<>();
1520	<	g = new CompletableFuture<>();
1521	<	f.complete(3);
1522	<	g.complete(1);
1523	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1524	<	checkCompletedWithWrappedCFException(h);
1525	<	}
1519	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1520	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1521	>	assertTrue(f.completeExceptionally(ex));
1522	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1523	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1524	>
1525	>	checkCompletedWithWrappedException(h0, ex);
1526	>	checkCompletedWithWrappedException(h1, ex);
1527	>	checkCompletedWithWrappedException(h2, ex);
1528	>	checkCompletedWithWrappedException(h3, ex);
1529	>	checkCompletedExceptionally(f, ex);
1530	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1531	>	}}
1532
1533		/**
1534	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
1534	>	* thenAccept result completes exceptionally if source cancelled
1535		*/
1536	<	public void testThenAcceptBothAsync4() {
1537	<	CompletableFuture<Integer> f, g;
1538	<	CompletableFuture<Void> h;
1539	<	SubtractAction r;
1540	<
1541	<	f = new CompletableFuture<>();
1542	<	g = new CompletableFuture<>();
1896	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1897	<	assertTrue(f.cancel(true));
1898	<	checkIncomplete(h);
1899	<	g.complete(1);
1900	<	checkCompletedWithWrappedCancellationException(h);
1901	<
1902	<	f = new CompletableFuture<>();
1903	<	g = new CompletableFuture<>();
1904	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1905	<	assertTrue(g.cancel(true));
1906	<	checkIncomplete(h);
1907	<	f.complete(3);
1908	<	checkCompletedWithWrappedCancellationException(h);
1909	<
1910	<	f = new CompletableFuture<>();
1911	<	g = new CompletableFuture<>();
1912	<	f.complete(3);
1913	<	assertTrue(g.cancel(true));
1914	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1915	<	checkCompletedWithWrappedCancellationException(h);
1536	>	public void testThenAccept_sourceCancelled() {
1537	>	for (ExecutionMode m : ExecutionMode.values())
1538	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1539	>	{
1540	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1541	>	final NoopConsumer[] rs = new NoopConsumer[4];
1542	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1543
1544	<	f = new CompletableFuture<>();
1545	<	g = new CompletableFuture<>();
1546	<	assertTrue(f.cancel(true));
1547	<	g.complete(3);
1548	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1922	<	checkCompletedWithWrappedCancellationException(h);
1923	<	}
1544	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1545	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1546	>	assertTrue(f.cancel(mayInterruptIfRunning));
1547	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1548	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1549
1550	<	/**
1551	<	* runAfterBothAsync result completes normally after normal
1552	<	* completion of sources
1553	<	*/
1554	<	public void testRunAfterBothAsync() {
1555	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1556	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1932	<	Noop r = new Noop();
1933	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1934	<	f.complete(one);
1935	<	checkIncomplete(g);
1936	<	f2.complete(two);
1937	<	checkCompletedNormally(g, null);
1938	<	assertTrue(r.ran);
1939	<	}
1550	>	checkCompletedWithWrappedCancellationException(h0);
1551	>	checkCompletedWithWrappedCancellationException(h1);
1552	>	checkCompletedWithWrappedCancellationException(h2);
1553	>	checkCompletedWithWrappedCancellationException(h3);
1554	>	checkCancelled(f);
1555	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1556	>	}}
1557
1558		/**
1559	<	* runAfterBothAsync result completes exceptionally after exceptional
1943	<	* completion of source
1559	>	* thenAccept result completes exceptionally if action does
1560		*/
1561	<	public void testRunAfterBothAsync2() {
1562	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1563	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1564	<	Noop r = new Noop();
1565	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1566	<	f.completeExceptionally(new CFException());
1567	<	f2.complete(two);
1952	<	checkCompletedWithWrappedCFException(g);
1953	<
1954	<	r = new Noop();
1955	<	f = new CompletableFuture<>();
1956	<	f2 = new CompletableFuture<>();
1957	<	g = f.runAfterBothAsync(f2, r);
1958	<	f.complete(one);
1959	<	f2.completeExceptionally(new CFException());
1960	<	checkCompletedWithWrappedCFException(g);
1961	<	}
1561	>	public void testThenAccept_actionFailed() {
1562	>	for (ExecutionMode m : ExecutionMode.values())
1563	>	for (Integer v1 : new Integer[] { 1, null })
1564	>	{
1565	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1566	>	final FailingConsumer[] rs = new FailingConsumer[4];
1567	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1568
1569	<	/**
1570	<	* runAfterBothAsync result completes exceptionally if action does
1571	<	*/
1572	<	public void testRunAfterBothAsync3() {
1573	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1574	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1575	<	FailingNoop r = new FailingNoop();
1576	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1577	<	f.complete(one);
1578	<	checkIncomplete(g);
1579	<	f2.complete(two);
1580	<	checkCompletedWithWrappedCFException(g);
1975	<	}
1569	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1570	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1571	>	assertTrue(f.complete(v1));
1572	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1573	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1574	>
1575	>	checkCompletedWithWrappedCFException(h0);
1576	>	checkCompletedWithWrappedCFException(h1);
1577	>	checkCompletedWithWrappedCFException(h2);
1578	>	checkCompletedWithWrappedCFException(h3);
1579	>	checkCompletedNormally(f, v1);
1580	>	}}
1581
1582		/**
1583	<	* runAfterBothAsync result completes exceptionally if either source cancelled
1583	>	* thenCombine result completes normally after normal completion
1584	>	* of sources
1585		*/
1586	<	public void testRunAfterBothAsync4() {
1587	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1588	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1589	<	Noop r = new Noop();
1590	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1591	<	assertTrue(f.cancel(true));
1592	<	f2.complete(two);
1593	<	checkCompletedWithWrappedCancellationException(g);
1594	<
1595	<	r = new Noop();
1990	<	f = new CompletableFuture<>();
1991	<	f2 = new CompletableFuture<>();
1992	<	g = f.runAfterBothAsync(f2, r);
1993	<	f.complete(one);
1994	<	assertTrue(f2.cancel(true));
1995	<	checkCompletedWithWrappedCancellationException(g);
1996	<	}
1586	>	public void testThenCombine_normalCompletion() {
1587	>	for (ExecutionMode m : ExecutionMode.values())
1588	>	for (boolean fFirst : new boolean[] { true, false })
1589	>	for (Integer v1 : new Integer[] { 1, null })
1590	>	for (Integer v2 : new Integer[] { 2, null })
1591	>	{
1592	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1593	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1594	>	final SubtractFunction[] rs = new SubtractFunction[6];
1595	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1596
1597	<	/**
1598	<	* applyToEitherAsync result completes normally after normal
1599	<	* completion of sources
1600	<	*/
1601	<	public void testApplyToEitherAsync() {
1602	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1603	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1604	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1605	<	f.complete(one);
1606	<	checkCompletedNormally(g, two);
1597	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1598	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1599	>	final Integer w1 =  fFirst ? v1 : v2;
1600	>	final Integer w2 = !fFirst ? v1 : v2;
1601	>
1602	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1603	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1604	>	assertTrue(fst.complete(w1));
1605	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1606	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1607	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1608	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1609	>	checkCompletedNormally(h1, subtract(w1, w1));
1610	>	checkCompletedNormally(h3, subtract(w1, w1));
1611	>	rs[1].assertValue(subtract(w1, w1));
1612	>	rs[3].assertValue(subtract(w1, w1));
1613	>	assertTrue(snd.complete(w2));
1614	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1615	>
1616	>	checkCompletedNormally(h0, subtract(v1, v2));
1617	>	checkCompletedNormally(h2, subtract(v1, v2));
1618	>	checkCompletedNormally(h4, subtract(v1, v2));
1619	>	rs[0].assertValue(subtract(v1, v2));
1620	>	rs[2].assertValue(subtract(v1, v2));
1621	>	rs[4].assertValue(subtract(v1, v2));
1622
1623	<	f = new CompletableFuture<>();
1624	<	f.complete(one);
1625	<	f2 = new CompletableFuture<>();
2012	<	g = f.applyToEitherAsync(f2, inc);
2013	<	checkCompletedNormally(g, two);
2014	<	}
1623	>	checkCompletedNormally(f, v1);
1624	>	checkCompletedNormally(g, v2);
1625	>	}}
1626
1627		/**
1628	<	* applyToEitherAsync result completes exceptionally after exceptional
1629	<	* completion of source
1628	>	* thenCombine result completes exceptionally after exceptional
1629	>	* completion of either source
1630		*/
1631	<	public void testApplyToEitherAsync2() {
1632	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1633	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1634	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1635	<	f.completeExceptionally(new CFException());
1636	<	checkCompletedWithWrappedCFException(g);
1637	<
1638	<	f = new CompletableFuture<>();
1639	<	f2 = new CompletableFuture<>();
1640	<	f2.completeExceptionally(new CFException());
1641	<	g = f.applyToEitherAsync(f2, inc);
1642	<	f.complete(one);
1643	<	checkCompletedWithWrappedCFException(g);
1644	<	}
1631	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1632	>	for (ExecutionMode m : ExecutionMode.values())
1633	>	for (boolean fFirst : new boolean[] { true, false })
1634	>	for (boolean failFirst : new boolean[] { true, false })
1635	>	for (Integer v1 : new Integer[] { 1, null })
1636	>	{
1637	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1638	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1639	>	final CFException ex = new CFException();
1640	>	final SubtractFunction r1 = new SubtractFunction(m);
1641	>	final SubtractFunction r2 = new SubtractFunction(m);
1642	>	final SubtractFunction r3 = new SubtractFunction(m);
1643	>
1644	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1645	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1646	>	final Callable<Boolean> complete1 = failFirst ?
1647	>	() -> fst.completeExceptionally(ex) :
1648	>	() -> fst.complete(v1);
1649	>	final Callable<Boolean> complete2 = failFirst ?
1650	>	() -> snd.complete(v1) :
1651	>	() -> snd.completeExceptionally(ex);
1652	>
1653	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1654	>	assertTrue(complete1.call());
1655	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1656	>	checkIncomplete(h1);
1657	>	checkIncomplete(h2);
1658	>	assertTrue(complete2.call());
1659	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1660	>
1661	>	checkCompletedWithWrappedException(h1, ex);
1662	>	checkCompletedWithWrappedException(h2, ex);
1663	>	checkCompletedWithWrappedException(h3, ex);
1664	>	r1.assertNotInvoked();
1665	>	r2.assertNotInvoked();
1666	>	r3.assertNotInvoked();
1667	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1668	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1669	>	}}
1670
1671		/**
1672	<	* applyToEitherAsync result completes exceptionally if action does
1672	>	* thenCombine result completes exceptionally if either source cancelled
1673		*/
1674	<	public void testApplyToEitherAsync3() {
1675	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1676	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1677	<	FailingFunction r = new FailingFunction();
1678	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1679	<	f.complete(one);
1680	<	checkCompletedWithWrappedCFException(g);
1681	<	}
1674	>	public void testThenCombine_sourceCancelled() throws Throwable {
1675	>	for (ExecutionMode m : ExecutionMode.values())
1676	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1677	>	for (boolean fFirst : new boolean[] { true, false })
1678	>	for (boolean failFirst : new boolean[] { true, false })
1679	>	for (Integer v1 : new Integer[] { 1, null })
1680	>	{
1681	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1682	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1683	>	final SubtractFunction r1 = new SubtractFunction(m);
1684	>	final SubtractFunction r2 = new SubtractFunction(m);
1685	>	final SubtractFunction r3 = new SubtractFunction(m);
1686	>
1687	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1688	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1689	>	final Callable<Boolean> complete1 = failFirst ?
1690	>	() -> fst.cancel(mayInterruptIfRunning) :
1691	>	() -> fst.complete(v1);
1692	>	final Callable<Boolean> complete2 = failFirst ?
1693	>	() -> snd.complete(v1) :
1694	>	() -> snd.cancel(mayInterruptIfRunning);
1695	>
1696	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1697	>	assertTrue(complete1.call());
1698	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1699	>	checkIncomplete(h1);
1700	>	checkIncomplete(h2);
1701	>	assertTrue(complete2.call());
1702	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1703	>
1704	>	checkCompletedWithWrappedCancellationException(h1);
1705	>	checkCompletedWithWrappedCancellationException(h2);
1706	>	checkCompletedWithWrappedCancellationException(h3);
1707	>	r1.assertNotInvoked();
1708	>	r2.assertNotInvoked();
1709	>	r3.assertNotInvoked();
1710	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1711	>	checkCancelled(failFirst ? fst : snd);
1712	>	}}
1713
1714		/**
1715	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1715	>	* thenCombine result completes exceptionally if action does
1716		*/
1717	<	public void testApplyToEitherAsync4() {
1718	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1719	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1720	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1721	<	assertTrue(f.cancel(true));
1722	<	checkCompletedWithWrappedCancellationException(g);
1723	<
1724	<	f = new CompletableFuture<>();
1725	<	f2 = new CompletableFuture<>();
1726	<	assertTrue(f2.cancel(true));
1727	<	g = f.applyToEitherAsync(f2, inc);
1728	<	checkCompletedWithWrappedCancellationException(g);
1729	<	}
1717	>	public void testThenCombine_actionFailed() {
1718	>	for (ExecutionMode m : ExecutionMode.values())
1719	>	for (boolean fFirst : new boolean[] { true, false })
1720	>	for (Integer v1 : new Integer[] { 1, null })
1721	>	for (Integer v2 : new Integer[] { 2, null })
1722	>	{
1723	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1724	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1725	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1726	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1727	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1728	>
1729	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1730	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1731	>	final Integer w1 =  fFirst ? v1 : v2;
1732	>	final Integer w2 = !fFirst ? v1 : v2;
1733	>
1734	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1735	>	assertTrue(fst.complete(w1));
1736	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1737	>	assertTrue(snd.complete(w2));
1738	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1739	>
1740	>	checkCompletedWithWrappedCFException(h1);
1741	>	checkCompletedWithWrappedCFException(h2);
1742	>	checkCompletedWithWrappedCFException(h3);
1743	>	r1.assertInvoked();
1744	>	r2.assertInvoked();
1745	>	r3.assertInvoked();
1746	>	checkCompletedNormally(f, v1);
1747	>	checkCompletedNormally(g, v2);
1748	>	}}
1749
1750		/**
1751	<	* acceptEitherAsync result completes normally after normal
1751	>	* thenAcceptBoth result completes normally after normal
1752		* completion of sources
1753		*/
1754	<	public void testAcceptEitherAsync() {
1755	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1756	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1757	<	IncAction r = new IncAction();
1758	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1759	<	f.complete(one);
1760	<	checkCompletedNormally(g, null);
1761	<	assertEquals(r.value, 2);
1762	<
1763	<	r = new IncAction();
1764	<	f = new CompletableFuture<>();
1765	<	f.complete(one);
1766	<	f2 = new CompletableFuture<>();
1767	<	g = f.acceptEitherAsync(f2, r);
1768	<	checkCompletedNormally(g, null);
1769	<	assertEquals(r.value, 2);
1770	<	}
1754	>	public void testThenAcceptBoth_normalCompletion() {
1755	>	for (ExecutionMode m : ExecutionMode.values())
1756	>	for (boolean fFirst : new boolean[] { true, false })
1757	>	for (Integer v1 : new Integer[] { 1, null })
1758	>	for (Integer v2 : new Integer[] { 2, null })
1759	>	{
1760	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1761	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1762	>	final SubtractAction r1 = new SubtractAction(m);
1763	>	final SubtractAction r2 = new SubtractAction(m);
1764	>	final SubtractAction r3 = new SubtractAction(m);
1765	>
1766	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1767	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1768	>	final Integer w1 =  fFirst ? v1 : v2;
1769	>	final Integer w2 = !fFirst ? v1 : v2;
1770	>
1771	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1772	>	assertTrue(fst.complete(w1));
1773	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1774	>	checkIncomplete(h1);
1775	>	checkIncomplete(h2);
1776	>	r1.assertNotInvoked();
1777	>	r2.assertNotInvoked();
1778	>	assertTrue(snd.complete(w2));
1779	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1780	>
1781	>	checkCompletedNormally(h1, null);
1782	>	checkCompletedNormally(h2, null);
1783	>	checkCompletedNormally(h3, null);
1784	>	r1.assertValue(subtract(v1, v2));
1785	>	r2.assertValue(subtract(v1, v2));
1786	>	r3.assertValue(subtract(v1, v2));
1787	>	checkCompletedNormally(f, v1);
1788	>	checkCompletedNormally(g, v2);
1789	>	}}
1790
1791		/**
1792	<	* acceptEitherAsync result completes exceptionally after exceptional
1793	<	* completion of source
1792	>	* thenAcceptBoth result completes exceptionally after exceptional
1793	>	* completion of either source
1794		*/
1795	<	public void testAcceptEitherAsync2() {
1796	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1797	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1798	<	IncAction r = new IncAction();
1799	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1800	<	f.completeExceptionally(new CFException());
1801	<	checkCompletedWithWrappedCFException(g);
1802	<
1803	<	r = new IncAction();
1804	<	f = new CompletableFuture<>();
1805	<	f2 = new CompletableFuture<>();
1806	<	f2.completeExceptionally(new CFException());
1807	<	g = f.acceptEitherAsync(f2, r);
1808	<	f.complete(one);
1809	<	checkCompletedWithWrappedCFException(g);
1810	<	}
1795	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1796	>	for (ExecutionMode m : ExecutionMode.values())
1797	>	for (boolean fFirst : new boolean[] { true, false })
1798	>	for (boolean failFirst : new boolean[] { true, false })
1799	>	for (Integer v1 : new Integer[] { 1, null })
1800	>	{
1801	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1802	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1803	>	final CFException ex = new CFException();
1804	>	final SubtractAction r1 = new SubtractAction(m);
1805	>	final SubtractAction r2 = new SubtractAction(m);
1806	>	final SubtractAction r3 = new SubtractAction(m);
1807	>
1808	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1809	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1810	>	final Callable<Boolean> complete1 = failFirst ?
1811	>	() -> fst.completeExceptionally(ex) :
1812	>	() -> fst.complete(v1);
1813	>	final Callable<Boolean> complete2 = failFirst ?
1814	>	() -> snd.complete(v1) :
1815	>	() -> snd.completeExceptionally(ex);
1816	>
1817	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1818	>	assertTrue(complete1.call());
1819	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1820	>	checkIncomplete(h1);
1821	>	checkIncomplete(h2);
1822	>	assertTrue(complete2.call());
1823	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1824	>
1825	>	checkCompletedWithWrappedException(h1, ex);
1826	>	checkCompletedWithWrappedException(h2, ex);
1827	>	checkCompletedWithWrappedException(h3, ex);
1828	>	r1.assertNotInvoked();
1829	>	r2.assertNotInvoked();
1830	>	r3.assertNotInvoked();
1831	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1832	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1833	>	}}
1834
1835		/**
1836	<	* acceptEitherAsync result completes exceptionally if action does
1836	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1837		*/
1838	<	public void testAcceptEitherAsync3() {
1839	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1840	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1841	<	FailingConsumer r = new FailingConsumer();
1842	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1843	<	f.complete(one);
1844	<	checkCompletedWithWrappedCFException(g);
1845	<	}
1838	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1839	>	for (ExecutionMode m : ExecutionMode.values())
1840	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1841	>	for (boolean fFirst : new boolean[] { true, false })
1842	>	for (boolean failFirst : new boolean[] { true, false })
1843	>	for (Integer v1 : new Integer[] { 1, null })
1844	>	{
1845	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1846	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1847	>	final SubtractAction r1 = new SubtractAction(m);
1848	>	final SubtractAction r2 = new SubtractAction(m);
1849	>	final SubtractAction r3 = new SubtractAction(m);
1850	>
1851	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1852	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1853	>	final Callable<Boolean> complete1 = failFirst ?
1854	>	() -> fst.cancel(mayInterruptIfRunning) :
1855	>	() -> fst.complete(v1);
1856	>	final Callable<Boolean> complete2 = failFirst ?
1857	>	() -> snd.complete(v1) :
1858	>	() -> snd.cancel(mayInterruptIfRunning);
1859	>
1860	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1861	>	assertTrue(complete1.call());
1862	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1863	>	checkIncomplete(h1);
1864	>	checkIncomplete(h2);
1865	>	assertTrue(complete2.call());
1866	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1867	>
1868	>	checkCompletedWithWrappedCancellationException(h1);
1869	>	checkCompletedWithWrappedCancellationException(h2);
1870	>	checkCompletedWithWrappedCancellationException(h3);
1871	>	r1.assertNotInvoked();
1872	>	r2.assertNotInvoked();
1873	>	r3.assertNotInvoked();
1874	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1875	>	checkCancelled(failFirst ? fst : snd);
1876	>	}}
1877
1878		/**
1879	<	* acceptEitherAsync result completes exceptionally if either
2121	<	* source cancelled
1879	>	* thenAcceptBoth result completes exceptionally if action does
1880		*/
1881	<	public void testAcceptEitherAsync4() {
1882	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1883	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1884	<	IncAction r = new IncAction();
1885	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1886	<	assertTrue(f.cancel(true));
1887	<	checkCompletedWithWrappedCancellationException(g);
1888	<
1889	<	r = new IncAction();
1890	<	f = new CompletableFuture<>();
1891	<	f2 = new CompletableFuture<>();
1892	<	assertTrue(f2.cancel(true));
1893	<	g = f.acceptEitherAsync(f2, r);
1894	<	checkCompletedWithWrappedCancellationException(g);
1895	<	}
1881	>	public void testThenAcceptBoth_actionFailed() {
1882	>	for (ExecutionMode m : ExecutionMode.values())
1883	>	for (boolean fFirst : new boolean[] { true, false })
1884	>	for (Integer v1 : new Integer[] { 1, null })
1885	>	for (Integer v2 : new Integer[] { 2, null })
1886	>	{
1887	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1888	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1889	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1890	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1891	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1892	>
1893	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1894	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1895	>	final Integer w1 =  fFirst ? v1 : v2;
1896	>	final Integer w2 = !fFirst ? v1 : v2;
1897	>
1898	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1899	>	assertTrue(fst.complete(w1));
1900	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1901	>	assertTrue(snd.complete(w2));
1902	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1903	>
1904	>	checkCompletedWithWrappedCFException(h1);
1905	>	checkCompletedWithWrappedCFException(h2);
1906	>	checkCompletedWithWrappedCFException(h3);
1907	>	r1.assertInvoked();
1908	>	r2.assertInvoked();
1909	>	r3.assertInvoked();
1910	>	checkCompletedNormally(f, v1);
1911	>	checkCompletedNormally(g, v2);
1912	>	}}
1913
1914		/**
1915	<	* runAfterEitherAsync result completes normally after normal
1915	>	* runAfterBoth result completes normally after normal
1916		* completion of sources
1917		*/
1918	<	public void testRunAfterEitherAsync() {
1919	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1920	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1921	<	Noop r = new Noop();
1922	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1923	<	f.complete(one);
1924	<	checkCompletedNormally(g, null);
1925	<	assertTrue(r.ran);
1926	<
1927	<	r = new Noop();
1928	<	f = new CompletableFuture<>();
1929	<	f.complete(one);
1930	<	f2 = new CompletableFuture<>();
1931	<	g = f.runAfterEitherAsync(f2, r);
1932	<	checkCompletedNormally(g, null);
1933	<	assertTrue(r.ran);
1934	<	}
1918	>	public void testRunAfterBoth_normalCompletion() {
1919	>	for (ExecutionMode m : ExecutionMode.values())
1920	>	for (boolean fFirst : new boolean[] { true, false })
1921	>	for (Integer v1 : new Integer[] { 1, null })
1922	>	for (Integer v2 : new Integer[] { 2, null })
1923	>	{
1924	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1925	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1926	>	final Noop r1 = new Noop(m);
1927	>	final Noop r2 = new Noop(m);
1928	>	final Noop r3 = new Noop(m);
1929	>
1930	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1931	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1932	>	final Integer w1 =  fFirst ? v1 : v2;
1933	>	final Integer w2 = !fFirst ? v1 : v2;
1934	>
1935	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1936	>	assertTrue(fst.complete(w1));
1937	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1938	>	checkIncomplete(h1);
1939	>	checkIncomplete(h2);
1940	>	r1.assertNotInvoked();
1941	>	r2.assertNotInvoked();
1942	>	assertTrue(snd.complete(w2));
1943	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1944	>
1945	>	checkCompletedNormally(h1, null);
1946	>	checkCompletedNormally(h2, null);
1947	>	checkCompletedNormally(h3, null);
1948	>	r1.assertInvoked();
1949	>	r2.assertInvoked();
1950	>	r3.assertInvoked();
1951	>	checkCompletedNormally(f, v1);
1952	>	checkCompletedNormally(g, v2);
1953	>	}}
1954
1955		/**
1956	<	* runAfterEitherAsync result completes exceptionally after exceptional
1957	<	* completion of source
1956	>	* runAfterBoth result completes exceptionally after exceptional
1957	>	* completion of either source
1958		*/
1959	<	public void testRunAfterEitherAsync2() {
1960	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1961	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1962	<	Noop r = new Noop();
1963	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1964	<	f.completeExceptionally(new CFException());
1965	<	checkCompletedWithWrappedCFException(g);
1966	<
1967	<	r = new Noop();
1968	<	f = new CompletableFuture<>();
1969	<	f2 = new CompletableFuture<>();
1970	<	f2.completeExceptionally(new CFException());
1971	<	g = f.runAfterEitherAsync(f2, r);
1972	<	f.complete(one);
1973	<	checkCompletedWithWrappedCFException(g);
1974	<	}
1959	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1960	>	for (ExecutionMode m : ExecutionMode.values())
1961	>	for (boolean fFirst : new boolean[] { true, false })
1962	>	for (boolean failFirst : new boolean[] { true, false })
1963	>	for (Integer v1 : new Integer[] { 1, null })
1964	>	{
1965	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1966	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1967	>	final CFException ex = new CFException();
1968	>	final Noop r1 = new Noop(m);
1969	>	final Noop r2 = new Noop(m);
1970	>	final Noop r3 = new Noop(m);
1971	>
1972	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1973	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1974	>	final Callable<Boolean> complete1 = failFirst ?
1975	>	() -> fst.completeExceptionally(ex) :
1976	>	() -> fst.complete(v1);
1977	>	final Callable<Boolean> complete2 = failFirst ?
1978	>	() -> snd.complete(v1) :
1979	>	() -> snd.completeExceptionally(ex);
1980	>
1981	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1982	>	assertTrue(complete1.call());
1983	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1984	>	checkIncomplete(h1);
1985	>	checkIncomplete(h2);
1986	>	assertTrue(complete2.call());
1987	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1988	>
1989	>	checkCompletedWithWrappedException(h1, ex);
1990	>	checkCompletedWithWrappedException(h2, ex);
1991	>	checkCompletedWithWrappedException(h3, ex);
1992	>	r1.assertNotInvoked();
1993	>	r2.assertNotInvoked();
1994	>	r3.assertNotInvoked();
1995	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1996	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1997	>	}}
1998
1999		/**
2000	<	* runAfterEitherAsync result completes exceptionally if action does
2000	>	* runAfterBoth result completes exceptionally if either source cancelled
2001		*/
2002	<	public void testRunAfterEitherAsync3() {
2003	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2004	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2005	<	FailingNoop r = new FailingNoop();
2006	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2007	<	f.complete(one);
2008	<	checkCompletedWithWrappedCFException(g);
2009	<	}
2002	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2003	>	for (ExecutionMode m : ExecutionMode.values())
2004	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2005	>	for (boolean fFirst : new boolean[] { true, false })
2006	>	for (boolean failFirst : new boolean[] { true, false })
2007	>	for (Integer v1 : new Integer[] { 1, null })
2008	>	{
2009	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2010	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2011	>	final Noop r1 = new Noop(m);
2012	>	final Noop r2 = new Noop(m);
2013	>	final Noop r3 = new Noop(m);
2014	>
2015	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2016	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2017	>	final Callable<Boolean> complete1 = failFirst ?
2018	>	() -> fst.cancel(mayInterruptIfRunning) :
2019	>	() -> fst.complete(v1);
2020	>	final Callable<Boolean> complete2 = failFirst ?
2021	>	() -> snd.complete(v1) :
2022	>	() -> snd.cancel(mayInterruptIfRunning);
2023	>
2024	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2025	>	assertTrue(complete1.call());
2026	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2027	>	checkIncomplete(h1);
2028	>	checkIncomplete(h2);
2029	>	assertTrue(complete2.call());
2030	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2031	>
2032	>	checkCompletedWithWrappedCancellationException(h1);
2033	>	checkCompletedWithWrappedCancellationException(h2);
2034	>	checkCompletedWithWrappedCancellationException(h3);
2035	>	r1.assertNotInvoked();
2036	>	r2.assertNotInvoked();
2037	>	r3.assertNotInvoked();
2038	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2039	>	checkCancelled(failFirst ? fst : snd);
2040	>	}}
2041
2042		/**
2043	<	* runAfterEitherAsync result completes exceptionally if either
2196	<	* source cancelled
2043	>	* runAfterBoth result completes exceptionally if action does
2044		*/
2045	<	public void testRunAfterEitherAsync4() {
2046	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2047	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2048	<	Noop r = new Noop();
2049	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2050	<	assertTrue(f.cancel(true));
2051	<	checkCompletedWithWrappedCancellationException(g);
2052	<
2053	<	r = new Noop();
2054	<	f = new CompletableFuture<>();
2055	<	f2 = new CompletableFuture<>();
2056	<	assertTrue(f2.cancel(true));
2057	<	g = f.runAfterEitherAsync(f2, r);
2058	<	checkCompletedWithWrappedCancellationException(g);
2059	<	}
2045	>	public void testRunAfterBoth_actionFailed() {
2046	>	for (ExecutionMode m : ExecutionMode.values())
2047	>	for (boolean fFirst : new boolean[] { true, false })
2048	>	for (Integer v1 : new Integer[] { 1, null })
2049	>	for (Integer v2 : new Integer[] { 2, null })
2050	>	{
2051	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2052	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2053	>	final FailingRunnable r1 = new FailingRunnable(m);
2054	>	final FailingRunnable r2 = new FailingRunnable(m);
2055	>	final FailingRunnable r3 = new FailingRunnable(m);
2056	>
2057	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2058	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2059	>	final Integer w1 =  fFirst ? v1 : v2;
2060	>	final Integer w2 = !fFirst ? v1 : v2;
2061	>
2062	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2063	>	assertTrue(fst.complete(w1));
2064	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2065	>	assertTrue(snd.complete(w2));
2066	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2067	>
2068	>	checkCompletedWithWrappedCFException(h1);
2069	>	checkCompletedWithWrappedCFException(h2);
2070	>	checkCompletedWithWrappedCFException(h3);
2071	>	r1.assertInvoked();
2072	>	r2.assertInvoked();
2073	>	r3.assertInvoked();
2074	>	checkCompletedNormally(f, v1);
2075	>	checkCompletedNormally(g, v2);
2076	>	}}
2077
2078		/**
2079	<	* thenComposeAsync result completes normally after normal
2080	<	* completion of source
2079	>	* applyToEither result completes normally after normal completion
2080	>	* of either source
2081		*/
2082	<	public void testThenComposeAsync() {
2083	<	CompletableFuture<Integer> f, g;
2084	<	CompletableFutureInc r;
2085	<
2086	<	f = new CompletableFuture<>();
2087	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2088	<	f.complete(one);
2089	<	checkCompletedNormally(g, two);
2090	<
2227	<	f = new CompletableFuture<>();
2228	<	f.complete(one);
2229	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2230	<	checkCompletedNormally(g, two);
2231	<	}
2082	>	public void testApplyToEither_normalCompletion() {
2083	>	for (ExecutionMode m : ExecutionMode.values())
2084	>	for (Integer v1 : new Integer[] { 1, null })
2085	>	for (Integer v2 : new Integer[] { 2, null })
2086	>	{
2087	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2088	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2089	>	final IncFunction[] rs = new IncFunction[6];
2090	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2091
2092	<	/**
2093	<	* thenComposeAsync result completes exceptionally after
2094	<	* exceptional completion of source
2095	<	*/
2096	<	public void testThenComposeAsync2() {
2097	<	CompletableFuture<Integer> f, g;
2098	<	CompletableFutureInc r;
2092	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2093	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2094	>	checkIncomplete(h0);
2095	>	checkIncomplete(h1);
2096	>	rs[0].assertNotInvoked();
2097	>	rs[1].assertNotInvoked();
2098	>	f.complete(v1);
2099	>	checkCompletedNormally(h0, inc(v1));
2100	>	checkCompletedNormally(h1, inc(v1));
2101	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2102	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2103	>	checkCompletedNormally(h2, inc(v1));
2104	>	checkCompletedNormally(h3, inc(v1));
2105	>	g.complete(v2);
2106
2107	<	f = new CompletableFuture<>();
2108	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2109	<	f.completeExceptionally(new CFException());
2110	<	checkCompletedWithWrappedCFException(g);
2111	<	assertFalse(r.ran);
2107	>	// unspecified behavior - both source completions available
2108	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2109	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2110	>	rs[4].assertValue(h4.join());
2111	>	rs[5].assertValue(h5.join());
2112	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2113	>	Objects.equals(inc(v2), h4.join()));
2114	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2115	>	Objects.equals(inc(v2), h5.join()));
2116
2117	<	f = new CompletableFuture<>();
2118	<	f.completeExceptionally(new CFException());
2119	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2120	<	checkCompletedWithWrappedCFException(g);
2121	<	assertFalse(r.ran);
2122	<	}
2117	>	checkCompletedNormally(f, v1);
2118	>	checkCompletedNormally(g, v2);
2119	>	checkCompletedNormally(h0, inc(v1));
2120	>	checkCompletedNormally(h1, inc(v1));
2121	>	checkCompletedNormally(h2, inc(v1));
2122	>	checkCompletedNormally(h3, inc(v1));
2123	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2124	>	}}
2125
2126		/**
2127	<	* thenComposeAsync result completes exceptionally if action does
2127	>	* applyToEither result completes exceptionally after exceptional
2128	>	* completion of either source
2129		*/
2130	<	public void testThenComposeAsync3() {
2131	<	CompletableFuture<Integer> f, g;
2132	<	FailingCompletableFutureFunction r;
2133	<
2134	<	f = new CompletableFuture<>();
2135	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2136	<	f.complete(one);
2137	<	checkCompletedWithWrappedCFException(g);
2130	>	public void testApplyToEither_exceptionalCompletion() {
2131	>	for (ExecutionMode m : ExecutionMode.values())
2132	>	for (Integer v1 : new Integer[] { 1, null })
2133	>	{
2134	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2135	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2136	>	final CFException ex = new CFException();
2137	>	final IncFunction[] rs = new IncFunction[6];
2138	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2139
2140	<	f = new CompletableFuture<>();
2141	<	f.complete(one);
2142	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2143	<	checkCompletedWithWrappedCFException(g);
2144	<	}
2140	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2141	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2142	>	checkIncomplete(h0);
2143	>	checkIncomplete(h1);
2144	>	rs[0].assertNotInvoked();
2145	>	rs[1].assertNotInvoked();
2146	>	f.completeExceptionally(ex);
2147	>	checkCompletedWithWrappedException(h0, ex);
2148	>	checkCompletedWithWrappedException(h1, ex);
2149	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2150	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2151	>	checkCompletedWithWrappedException(h2, ex);
2152	>	checkCompletedWithWrappedException(h3, ex);
2153	>	g.complete(v1);
2154
2155	<	/**
2156	<	* thenComposeAsync result completes exceptionally if source cancelled
2157	<	*/
2158	<	public void testThenComposeAsync4() {
2159	<	CompletableFuture<Integer> f, g;
2160	<	CompletableFutureInc r;
2155	>	// unspecified behavior - both source completions available
2156	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2157	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2158	>	try {
2159	>	assertEquals(inc(v1), h4.join());
2160	>	rs[4].assertValue(inc(v1));
2161	>	} catch (CompletionException ok) {
2162	>	checkCompletedWithWrappedException(h4, ex);
2163	>	rs[4].assertNotInvoked();
2164	>	}
2165	>	try {
2166	>	assertEquals(inc(v1), h5.join());
2167	>	rs[5].assertValue(inc(v1));
2168	>	} catch (CompletionException ok) {
2169	>	checkCompletedWithWrappedException(h5, ex);
2170	>	rs[5].assertNotInvoked();
2171	>	}
2172
2173	<	f = new CompletableFuture<>();
2174	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2175	<	assertTrue(f.cancel(true));
2176	<	checkCompletedWithWrappedCancellationException(g);
2173	>	checkCompletedExceptionally(f, ex);
2174	>	checkCompletedNormally(g, v1);
2175	>	checkCompletedWithWrappedException(h0, ex);
2176	>	checkCompletedWithWrappedException(h1, ex);
2177	>	checkCompletedWithWrappedException(h2, ex);
2178	>	checkCompletedWithWrappedException(h3, ex);
2179	>	checkCompletedWithWrappedException(h4, ex);
2180	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2181	>	}}
2182	>
2183	>	public void testApplyToEither_exceptionalCompletion2() {
2184	>	for (ExecutionMode m : ExecutionMode.values())
2185	>	for (boolean fFirst : new boolean[] { true, false })
2186	>	for (Integer v1 : new Integer[] { 1, null })
2187	>	{
2188	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2189	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2190	>	final CFException ex = new CFException();
2191	>	final IncFunction[] rs = new IncFunction[6];
2192	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2193
2194	<	f = new CompletableFuture<>();
2195	<	assertTrue(f.cancel(true));
2196	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2197	<	checkCompletedWithWrappedCancellationException(g);
2198	<	}
2194	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2195	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2196	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2197	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2198	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2199	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2200	>
2201	>	// unspecified behavior - both source completions available
2202	>	try {
2203	>	assertEquals(inc(v1), h0.join());
2204	>	rs[0].assertValue(inc(v1));
2205	>	} catch (CompletionException ok) {
2206	>	checkCompletedWithWrappedException(h0, ex);
2207	>	rs[0].assertNotInvoked();
2208	>	}
2209	>	try {
2210	>	assertEquals(inc(v1), h1.join());
2211	>	rs[1].assertValue(inc(v1));
2212	>	} catch (CompletionException ok) {
2213	>	checkCompletedWithWrappedException(h1, ex);
2214	>	rs[1].assertNotInvoked();
2215	>	}
2216	>	try {
2217	>	assertEquals(inc(v1), h2.join());
2218	>	rs[2].assertValue(inc(v1));
2219	>	} catch (CompletionException ok) {
2220	>	checkCompletedWithWrappedException(h2, ex);
2221	>	rs[2].assertNotInvoked();
2222	>	}
2223	>	try {
2224	>	assertEquals(inc(v1), h3.join());
2225	>	rs[3].assertValue(inc(v1));
2226	>	} catch (CompletionException ok) {
2227	>	checkCompletedWithWrappedException(h3, ex);
2228	>	rs[3].assertNotInvoked();
2229	>	}
2230
2231	<	// async with explicit executors
2231	>	checkCompletedNormally(f, v1);
2232	>	checkCompletedExceptionally(g, ex);
2233	>	}}
2234
2235		/**
2236	<	* thenRunAsync result completes normally after normal completion of source
2236	>	* applyToEither result completes exceptionally if either source cancelled
2237		*/
2238	<	public void testThenRunAsyncE() {
2239	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2240	<	Noop r = new Noop();
2241	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2242	<	f.complete(null);
2243	<	checkCompletedNormally(g, null);
2244	<
2245	<	// reordered version
2246	<	f = new CompletableFuture<>();
2304	<	f.complete(null);
2305	<	r = new Noop();
2306	<	g = f.thenRunAsync(r, new ThreadExecutor());
2307	<	checkCompletedNormally(g, null);
2308	<	}
2238	>	public void testApplyToEither_sourceCancelled() {
2239	>	for (ExecutionMode m : ExecutionMode.values())
2240	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2241	>	for (Integer v1 : new Integer[] { 1, null })
2242	>	{
2243	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2244	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2245	>	final IncFunction[] rs = new IncFunction[6];
2246	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2247
2248	<	/**
2249	<	* thenRunAsync result completes exceptionally after exceptional
2250	<	* completion of source
2251	<	*/
2252	<	public void testThenRunAsync2E() {
2253	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2254	<	Noop r = new Noop();
2255	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2256	<	f.completeExceptionally(new CFException());
2257	<	try {
2258	<	g.join();
2259	<	shouldThrow();
2260	<	} catch (CompletionException success) {}
2261	<	checkCompletedWithWrappedCFException(g);
2324	<	}
2248	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2249	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2250	>	checkIncomplete(h0);
2251	>	checkIncomplete(h1);
2252	>	rs[0].assertNotInvoked();
2253	>	rs[1].assertNotInvoked();
2254	>	f.cancel(mayInterruptIfRunning);
2255	>	checkCompletedWithWrappedCancellationException(h0);
2256	>	checkCompletedWithWrappedCancellationException(h1);
2257	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2258	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2259	>	checkCompletedWithWrappedCancellationException(h2);
2260	>	checkCompletedWithWrappedCancellationException(h3);
2261	>	g.complete(v1);
2262
2263	<	/**
2264	<	* thenRunAsync result completes exceptionally if action does
2265	<	*/
2266	<	public void testThenRunAsync3E() {
2267	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2268	<	FailingNoop r = new FailingNoop();
2269	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2270	<	f.complete(null);
2271	<	checkCompletedWithWrappedCFException(g);
2272	<	}
2263	>	// unspecified behavior - both source completions available
2264	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2265	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2266	>	try {
2267	>	assertEquals(inc(v1), h4.join());
2268	>	rs[4].assertValue(inc(v1));
2269	>	} catch (CompletionException ok) {
2270	>	checkCompletedWithWrappedCancellationException(h4);
2271	>	rs[4].assertNotInvoked();
2272	>	}
2273	>	try {
2274	>	assertEquals(inc(v1), h5.join());
2275	>	rs[5].assertValue(inc(v1));
2276	>	} catch (CompletionException ok) {
2277	>	checkCompletedWithWrappedCancellationException(h5);
2278	>	rs[5].assertNotInvoked();
2279	>	}
2280
2281	<	/**
2282	<	* thenRunAsync result completes exceptionally if source cancelled
2283	<	*/
2284	<	public void testThenRunAsync4E() {
2285	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2286	<	Noop r = new Noop();
2287	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2288	<	assertTrue(f.cancel(true));
2345	<	checkCompletedWithWrappedCancellationException(g);
2346	<	}
2281	>	checkCancelled(f);
2282	>	checkCompletedNormally(g, v1);
2283	>	checkCompletedWithWrappedCancellationException(h0);
2284	>	checkCompletedWithWrappedCancellationException(h1);
2285	>	checkCompletedWithWrappedCancellationException(h2);
2286	>	checkCompletedWithWrappedCancellationException(h3);
2287	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2288	>	}}
2289
2290	<	/**
2291	<	* thenApplyAsync result completes normally after normal completion of source
2292	<	*/
2293	<	public void testThenApplyAsyncE() {
2294	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2295	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2296	<	f.complete(one);
2297	<	checkCompletedNormally(g, two);
2298	<	}
2290	>	public void testApplyToEither_sourceCancelled2() {
2291	>	for (ExecutionMode m : ExecutionMode.values())
2292	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2293	>	for (boolean fFirst : new boolean[] { true, false })
2294	>	for (Integer v1 : new Integer[] { 1, null })
2295	>	{
2296	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2297	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2298	>	final IncFunction[] rs = new IncFunction[6];
2299	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2300
2301	<	/**
2302	<	* thenApplyAsync result completes exceptionally after exceptional
2303	<	* completion of source
2304	<	*/
2305	<	public void testThenApplyAsync2E() {
2306	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2307	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2308	<	f.completeExceptionally(new CFException());
2309	<	checkCompletedWithWrappedCFException(g);
2310	<	}
2301	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2302	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2303	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2304	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2305	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2306	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2307	>
2308	>	// unspecified behavior - both source completions available
2309	>	try {
2310	>	assertEquals(inc(v1), h0.join());
2311	>	rs[0].assertValue(inc(v1));
2312	>	} catch (CompletionException ok) {
2313	>	checkCompletedWithWrappedCancellationException(h0);
2314	>	rs[0].assertNotInvoked();
2315	>	}
2316	>	try {
2317	>	assertEquals(inc(v1), h1.join());
2318	>	rs[1].assertValue(inc(v1));
2319	>	} catch (CompletionException ok) {
2320	>	checkCompletedWithWrappedCancellationException(h1);
2321	>	rs[1].assertNotInvoked();
2322	>	}
2323	>	try {
2324	>	assertEquals(inc(v1), h2.join());
2325	>	rs[2].assertValue(inc(v1));
2326	>	} catch (CompletionException ok) {
2327	>	checkCompletedWithWrappedCancellationException(h2);
2328	>	rs[2].assertNotInvoked();
2329	>	}
2330	>	try {
2331	>	assertEquals(inc(v1), h3.join());
2332	>	rs[3].assertValue(inc(v1));
2333	>	} catch (CompletionException ok) {
2334	>	checkCompletedWithWrappedCancellationException(h3);
2335	>	rs[3].assertNotInvoked();
2336	>	}
2337
2338	<	/**
2339	<	* thenApplyAsync result completes exceptionally if action does
2340	<	*/
2372	<	public void testThenApplyAsync3E() {
2373	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2374	<	FailingFunction r = new FailingFunction();
2375	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2376	<	f.complete(null);
2377	<	checkCompletedWithWrappedCFException(g);
2378	<	}
2338	>	checkCompletedNormally(f, v1);
2339	>	checkCancelled(g);
2340	>	}}
2341
2342		/**
2343	<	* thenApplyAsync result completes exceptionally if source cancelled
2343	>	* applyToEither result completes exceptionally if action does
2344		*/
2345	<	public void testThenApplyAsync4E() {
2346	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2347	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2348	<	assertTrue(f.cancel(true));
2349	<	checkCompletedWithWrappedCancellationException(g);
2350	<	}
2345	>	public void testApplyToEither_actionFailed() {
2346	>	for (ExecutionMode m : ExecutionMode.values())
2347	>	for (Integer v1 : new Integer[] { 1, null })
2348	>	for (Integer v2 : new Integer[] { 2, null })
2349	>	{
2350	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2351	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2352	>	final FailingFunction[] rs = new FailingFunction[6];
2353	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2354
2355	<	/**
2356	<	* thenAcceptAsync result completes normally after normal
2357	<	* completion of source
2358	<	*/
2359	<	public void testThenAcceptAsyncE() {
2360	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2361	<	IncAction r = new IncAction();
2362	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2363	<	f.complete(one);
2364	<	checkCompletedNormally(g, null);
2400	<	assertEquals(r.value, 2);
2401	<	}
2355	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2356	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2357	>	f.complete(v1);
2358	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2359	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2360	>	checkCompletedWithWrappedCFException(h0);
2361	>	checkCompletedWithWrappedCFException(h1);
2362	>	checkCompletedWithWrappedCFException(h2);
2363	>	checkCompletedWithWrappedCFException(h3);
2364	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2365
2366	<	/**
2404	<	* thenAcceptAsync result completes exceptionally after exceptional
2405	<	* completion of source
2406	<	*/
2407	<	public void testThenAcceptAsync2E() {
2408	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2409	<	IncAction r = new IncAction();
2410	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2411	<	f.completeExceptionally(new CFException());
2412	<	checkCompletedWithWrappedCFException(g);
2413	<	}
2366	>	g.complete(v2);
2367
2368	<	/**
2369	<	* thenAcceptAsync result completes exceptionally if action does
2370	<	*/
2371	<	public void testThenAcceptAsync3E() {
2372	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2373	<	FailingConsumer r = new FailingConsumer();
2374	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2375	<	f.complete(null);
2376	<	checkCompletedWithWrappedCFException(g);
2377	<	}
2368	>	// unspecified behavior - both source completions available
2369	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2370	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2371	>
2372	>	checkCompletedWithWrappedCFException(h4);
2373	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2374	>	Objects.equals(v2, rs[4].value));
2375	>	checkCompletedWithWrappedCFException(h5);
2376	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2377	>	Objects.equals(v2, rs[5].value));
2378
2379	<	/**
2380	<	* thenAcceptAsync result completes exceptionally if source cancelled
2381	<	*/
2429	<	public void testThenAcceptAsync4E() {
2430	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2431	<	IncAction r = new IncAction();
2432	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2433	<	assertTrue(f.cancel(true));
2434	<	checkCompletedWithWrappedCancellationException(g);
2435	<	}
2379	>	checkCompletedNormally(f, v1);
2380	>	checkCompletedNormally(g, v2);
2381	>	}}
2382
2383		/**
2384	<	* thenCombineAsync result completes normally after normal
2385	<	* completion of sources
2384	>	* acceptEither result completes normally after normal completion
2385	>	* of either source
2386		*/
2387	<	public void testThenCombineAsyncE() {
2388	<	CompletableFuture<Integer> f, g, h;
2389	<	ThreadExecutor e = new ThreadExecutor();
2390	<	int count = 0;
2387	>	public void testAcceptEither_normalCompletion() {
2388	>	for (ExecutionMode m : ExecutionMode.values())
2389	>	for (Integer v1 : new Integer[] { 1, null })
2390	>	for (Integer v2 : new Integer[] { 2, null })
2391	>	{
2392	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2393	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2394	>	final NoopConsumer[] rs = new NoopConsumer[6];
2395	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2396
2397	<	f = new CompletableFuture<>();
2398	<	g = new CompletableFuture<>();
2399	<	h = f.thenCombineAsync(g, subtract, e);
2400	<	f.complete(3);
2401	<	checkIncomplete(h);
2402	<	g.complete(1);
2403	<	checkCompletedNormally(h, 2);
2404	<	assertEquals(++count, e.count.get());
2397	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2398	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2399	>	checkIncomplete(h0);
2400	>	checkIncomplete(h1);
2401	>	rs[0].assertNotInvoked();
2402	>	rs[1].assertNotInvoked();
2403	>	f.complete(v1);
2404	>	checkCompletedNormally(h0, null);
2405	>	checkCompletedNormally(h1, null);
2406	>	rs[0].assertValue(v1);
2407	>	rs[1].assertValue(v1);
2408	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2409	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2410	>	checkCompletedNormally(h2, null);
2411	>	checkCompletedNormally(h3, null);
2412	>	rs[2].assertValue(v1);
2413	>	rs[3].assertValue(v1);
2414	>	g.complete(v2);
2415
2416	<	f = new CompletableFuture<>();
2417	<	g = new CompletableFuture<>();
2418	<	h = f.thenCombineAsync(g, subtract, e);
2419	<	g.complete(1);
2420	<	checkIncomplete(h);
2421	<	f.complete(3);
2422	<	checkCompletedNormally(h, 2);
2423	<	assertEquals(++count, e.count.get());
2416	>	// unspecified behavior - both source completions available
2417	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2418	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2419	>	checkCompletedNormally(h4, null);
2420	>	checkCompletedNormally(h5, null);
2421	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2422	>	Objects.equals(v2, rs[4].value));
2423	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2424	>	Objects.equals(v2, rs[5].value));
2425
2426	<	f = new CompletableFuture<>();
2427	<	g = new CompletableFuture<>();
2428	<	g.complete(1);
2429	<	f.complete(3);
2430	<	h = f.thenCombineAsync(g, subtract, e);
2431	<	checkCompletedNormally(h, 2);
2432	<	assertEquals(++count, e.count.get());
2433	<	}
2426	>	checkCompletedNormally(f, v1);
2427	>	checkCompletedNormally(g, v2);
2428	>	checkCompletedNormally(h0, null);
2429	>	checkCompletedNormally(h1, null);
2430	>	checkCompletedNormally(h2, null);
2431	>	checkCompletedNormally(h3, null);
2432	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2433	>	}}
2434
2435		/**
2436	<	* thenCombineAsync result completes exceptionally after exceptional
2436	>	* acceptEither result completes exceptionally after exceptional
2437		* completion of either source
2438		*/
2439	<	public void testThenCombineAsync2E() {
2440	<	CompletableFuture<Integer> f, g, h;
2441	<	ThreadExecutor e = new ThreadExecutor();
2442	<	int count = 0;
2443	<
2444	<	f = new CompletableFuture<>();
2445	<	g = new CompletableFuture<>();
2446	<	h = f.thenCombineAsync(g, subtract, e);
2447	<	f.completeExceptionally(new CFException());
2486	<	checkIncomplete(h);
2487	<	g.complete(1);
2488	<	checkCompletedWithWrappedCFException(h);
2489	<
2490	<	f = new CompletableFuture<>();
2491	<	g = new CompletableFuture<>();
2492	<	h = f.thenCombineAsync(g, subtract, e);
2493	<	g.completeExceptionally(new CFException());
2494	<	checkIncomplete(h);
2495	<	f.complete(3);
2496	<	checkCompletedWithWrappedCFException(h);
2497	<
2498	<	f = new CompletableFuture<>();
2499	<	g = new CompletableFuture<>();
2500	<	g.completeExceptionally(new CFException());
2501	<	h = f.thenCombineAsync(g, subtract, e);
2502	<	checkIncomplete(h);
2503	<	f.complete(3);
2504	<	checkCompletedWithWrappedCFException(h);
2505	<
2506	<	assertEquals(0, e.count.get());
2507	<	}
2508	<
2509	<	/**
2510	<	* thenCombineAsync result completes exceptionally if action does
2511	<	*/
2512	<	public void testThenCombineAsync3E() {
2513	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2514	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2515	<	FailingBiFunction r = new FailingBiFunction();
2516	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2517	<	f.complete(one);
2518	<	checkIncomplete(g);
2519	<	assertFalse(r.ran);
2520	<	f2.complete(two);
2521	<	checkCompletedWithWrappedCFException(g);
2522	<	assertTrue(r.ran);
2523	<	}
2439	>	public void testAcceptEither_exceptionalCompletion() {
2440	>	for (ExecutionMode m : ExecutionMode.values())
2441	>	for (Integer v1 : new Integer[] { 1, null })
2442	>	{
2443	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2444	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2445	>	final CFException ex = new CFException();
2446	>	final NoopConsumer[] rs = new NoopConsumer[6];
2447	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2448
2449	<	/**
2450	<	* thenCombineAsync result completes exceptionally if either source cancelled
2451	<	*/
2452	<	public void testThenCombineAsync4E() {
2453	<	CompletableFuture<Integer> f, g, h;
2454	<	ThreadExecutor e = new ThreadExecutor();
2449	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2450	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2451	>	checkIncomplete(h0);
2452	>	checkIncomplete(h1);
2453	>	rs[0].assertNotInvoked();
2454	>	rs[1].assertNotInvoked();
2455	>	f.completeExceptionally(ex);
2456	>	checkCompletedWithWrappedException(h0, ex);
2457	>	checkCompletedWithWrappedException(h1, ex);
2458	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2459	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2460	>	checkCompletedWithWrappedException(h2, ex);
2461	>	checkCompletedWithWrappedException(h3, ex);
2462
2463	<	f = new CompletableFuture<>();
2533	<	g = new CompletableFuture<>();
2534	<	h = f.thenCombineAsync(g, subtract, e);
2535	<	assertTrue(f.cancel(true));
2536	<	checkIncomplete(h);
2537	<	g.complete(1);
2538	<	checkCompletedWithWrappedCancellationException(h);
2463	>	g.complete(v1);
2464
2465	<	f = new CompletableFuture<>();
2466	<	g = new CompletableFuture<>();
2467	<	h = f.thenCombineAsync(g, subtract, e);
2468	<	assertTrue(g.cancel(true));
2469	<	checkIncomplete(h);
2470	<	f.complete(3);
2471	<	checkCompletedWithWrappedCancellationException(h);
2465	>	// unspecified behavior - both source completions available
2466	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2467	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2468	>	try {
2469	>	assertNull(h4.join());
2470	>	rs[4].assertValue(v1);
2471	>	} catch (CompletionException ok) {
2472	>	checkCompletedWithWrappedException(h4, ex);
2473	>	rs[4].assertNotInvoked();
2474	>	}
2475	>	try {
2476	>	assertNull(h5.join());
2477	>	rs[5].assertValue(v1);
2478	>	} catch (CompletionException ok) {
2479	>	checkCompletedWithWrappedException(h5, ex);
2480	>	rs[5].assertNotInvoked();
2481	>	}
2482
2483	<	f = new CompletableFuture<>();
2484	<	g = new CompletableFuture<>();
2485	<	assertTrue(g.cancel(true));
2486	<	h = f.thenCombineAsync(g, subtract, e);
2487	<	checkIncomplete(h);
2488	<	f.complete(3);
2489	<	checkCompletedWithWrappedCancellationException(h);
2483	>	checkCompletedExceptionally(f, ex);
2484	>	checkCompletedNormally(g, v1);
2485	>	checkCompletedWithWrappedException(h0, ex);
2486	>	checkCompletedWithWrappedException(h1, ex);
2487	>	checkCompletedWithWrappedException(h2, ex);
2488	>	checkCompletedWithWrappedException(h3, ex);
2489	>	checkCompletedWithWrappedException(h4, ex);
2490	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2491	>	}}
2492	>
2493	>	public void testAcceptEither_exceptionalCompletion2() {
2494	>	for (ExecutionMode m : ExecutionMode.values())
2495	>	for (boolean fFirst : new boolean[] { true, false })
2496	>	for (Integer v1 : new Integer[] { 1, null })
2497	>	{
2498	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2499	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2500	>	final CFException ex = new CFException();
2501	>	final NoopConsumer[] rs = new NoopConsumer[6];
2502	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2503
2504	<	f = new CompletableFuture<>();
2505	<	g = new CompletableFuture<>();
2506	<	assertTrue(f.cancel(true));
2507	<	assertTrue(g.cancel(true));
2508	<	h = f.thenCombineAsync(g, subtract, e);
2509	<	checkCompletedWithWrappedCancellationException(h);
2504	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2505	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2506	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2507	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2508	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2509	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2510	>
2511	>	// unspecified behavior - both source completions available
2512	>	try {
2513	>	assertEquals(null, h0.join());
2514	>	rs[0].assertValue(v1);
2515	>	} catch (CompletionException ok) {
2516	>	checkCompletedWithWrappedException(h0, ex);
2517	>	rs[0].assertNotInvoked();
2518	>	}
2519	>	try {
2520	>	assertEquals(null, h1.join());
2521	>	rs[1].assertValue(v1);
2522	>	} catch (CompletionException ok) {
2523	>	checkCompletedWithWrappedException(h1, ex);
2524	>	rs[1].assertNotInvoked();
2525	>	}
2526	>	try {
2527	>	assertEquals(null, h2.join());
2528	>	rs[2].assertValue(v1);
2529	>	} catch (CompletionException ok) {
2530	>	checkCompletedWithWrappedException(h2, ex);
2531	>	rs[2].assertNotInvoked();
2532	>	}
2533	>	try {
2534	>	assertEquals(null, h3.join());
2535	>	rs[3].assertValue(v1);
2536	>	} catch (CompletionException ok) {
2537	>	checkCompletedWithWrappedException(h3, ex);
2538	>	rs[3].assertNotInvoked();
2539	>	}
2540
2541	<	assertEquals(0, e.count.get());
2542	<	}
2541	>	checkCompletedNormally(f, v1);
2542	>	checkCompletedExceptionally(g, ex);
2543	>	}}
2544
2545		/**
2546	<	* thenAcceptBothAsync result completes normally after normal
2568	<	* completion of sources
2546	>	* acceptEither result completes exceptionally if either source cancelled
2547		*/
2548	<	public void testThenAcceptBothAsyncE() {
2549	<	CompletableFuture<Integer> f, g;
2550	<	CompletableFuture<Void> h;
2551	<	SubtractAction r;
2552	<	ThreadExecutor e = new ThreadExecutor();
2548	>	public void testAcceptEither_sourceCancelled() {
2549	>	for (ExecutionMode m : ExecutionMode.values())
2550	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2551	>	for (Integer v1 : new Integer[] { 1, null })
2552	>	{
2553	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2554	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2555	>	final NoopConsumer[] rs = new NoopConsumer[6];
2556	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2557
2558	<	f = new CompletableFuture<>();
2559	<	g = new CompletableFuture<>();
2560	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2561	<	f.complete(3);
2562	<	checkIncomplete(h);
2563	<	g.complete(1);
2564	<	checkCompletedNormally(h, null);
2565	<	assertEquals(r.value, 2);
2558	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2559	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2560	>	checkIncomplete(h0);
2561	>	checkIncomplete(h1);
2562	>	rs[0].assertNotInvoked();
2563	>	rs[1].assertNotInvoked();
2564	>	f.cancel(mayInterruptIfRunning);
2565	>	checkCompletedWithWrappedCancellationException(h0);
2566	>	checkCompletedWithWrappedCancellationException(h1);
2567	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2568	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2569	>	checkCompletedWithWrappedCancellationException(h2);
2570	>	checkCompletedWithWrappedCancellationException(h3);
2571
2572	<	f = new CompletableFuture<>();
2586	<	g = new CompletableFuture<>();
2587	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2588	<	g.complete(1);
2589	<	checkIncomplete(h);
2590	<	f.complete(3);
2591	<	checkCompletedNormally(h, null);
2592	<	assertEquals(r.value, 2);
2572	>	g.complete(v1);
2573
2574	<	f = new CompletableFuture<>();
2575	<	g = new CompletableFuture<>();
2576	<	g.complete(1);
2577	<	f.complete(3);
2578	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2579	<	checkCompletedNormally(h, null);
2580	<	assertEquals(r.value, 2);
2574	>	// unspecified behavior - both source completions available
2575	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2576	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2577	>	try {
2578	>	assertNull(h4.join());
2579	>	rs[4].assertValue(v1);
2580	>	} catch (CompletionException ok) {
2581	>	checkCompletedWithWrappedCancellationException(h4);
2582	>	rs[4].assertNotInvoked();
2583	>	}
2584	>	try {
2585	>	assertNull(h5.join());
2586	>	rs[5].assertValue(v1);
2587	>	} catch (CompletionException ok) {
2588	>	checkCompletedWithWrappedCancellationException(h5);
2589	>	rs[5].assertNotInvoked();
2590	>	}
2591
2592	<	assertEquals(3, e.count.get());
2593	<	}
2592	>	checkCancelled(f);
2593	>	checkCompletedNormally(g, v1);
2594	>	checkCompletedWithWrappedCancellationException(h0);
2595	>	checkCompletedWithWrappedCancellationException(h1);
2596	>	checkCompletedWithWrappedCancellationException(h2);
2597	>	checkCompletedWithWrappedCancellationException(h3);
2598	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2599	>	}}
2600
2601		/**
2602	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2607	<	* completion of source
2602	>	* acceptEither result completes exceptionally if action does
2603		*/
2604	<	public void testThenAcceptBothAsync2E() {
2605	<	CompletableFuture<Integer> f, g;
2606	<	CompletableFuture<Void> h;
2607	<	SubtractAction r;
2608	<	ThreadExecutor e = new ThreadExecutor();
2609	<
2610	<	f = new CompletableFuture<>();
2611	<	g = new CompletableFuture<>();
2612	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2618	<	f.completeExceptionally(new CFException());
2619	<	checkIncomplete(h);
2620	<	g.complete(1);
2621	<	checkCompletedWithWrappedCFException(h);
2622	<
2623	<	f = new CompletableFuture<>();
2624	<	g = new CompletableFuture<>();
2625	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2626	<	g.completeExceptionally(new CFException());
2627	<	checkIncomplete(h);
2628	<	f.complete(3);
2629	<	checkCompletedWithWrappedCFException(h);
2630	<
2631	<	f = new CompletableFuture<>();
2632	<	g = new CompletableFuture<>();
2633	<	f.complete(3);
2634	<	g.completeExceptionally(new CFException());
2635	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2636	<	checkCompletedWithWrappedCFException(h);
2637	<
2638	<	f = new CompletableFuture<>();
2639	<	g = new CompletableFuture<>();
2640	<	f.completeExceptionally(new CFException());
2641	<	g.complete(3);
2642	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2643	<	checkCompletedWithWrappedCFException(h);
2644	<
2645	<	assertEquals(0, e.count.get());
2646	<	}
2604	>	public void testAcceptEither_actionFailed() {
2605	>	for (ExecutionMode m : ExecutionMode.values())
2606	>	for (Integer v1 : new Integer[] { 1, null })
2607	>	for (Integer v2 : new Integer[] { 2, null })
2608	>	{
2609	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2610	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2611	>	final FailingConsumer[] rs = new FailingConsumer[6];
2612	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2613
2614	<	/**
2615	<	* thenAcceptBothAsync result completes exceptionally if action does
2616	<	*/
2617	<	public void testThenAcceptBothAsync3E() {
2618	<	CompletableFuture<Integer> f, g;
2619	<	CompletableFuture<Void> h;
2620	<	FailingBiConsumer r;
2621	<	ThreadExecutor e = new ThreadExecutor();
2614	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2615	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2616	>	f.complete(v1);
2617	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2618	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2619	>	checkCompletedWithWrappedCFException(h0);
2620	>	checkCompletedWithWrappedCFException(h1);
2621	>	checkCompletedWithWrappedCFException(h2);
2622	>	checkCompletedWithWrappedCFException(h3);
2623	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2624
2625	<	f = new CompletableFuture<>();
2658	<	g = new CompletableFuture<>();
2659	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2660	<	f.complete(3);
2661	<	checkIncomplete(h);
2662	<	g.complete(1);
2663	<	checkCompletedWithWrappedCFException(h);
2625	>	g.complete(v2);
2626
2627	<	f = new CompletableFuture<>();
2628	<	g = new CompletableFuture<>();
2629	<	f.complete(3);
2630	<	g.complete(1);
2631	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2632	<	checkCompletedWithWrappedCFException(h);
2627	>	// unspecified behavior - both source completions available
2628	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2629	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2630	>
2631	>	checkCompletedWithWrappedCFException(h4);
2632	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2633	>	Objects.equals(v2, rs[4].value));
2634	>	checkCompletedWithWrappedCFException(h5);
2635	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2636	>	Objects.equals(v2, rs[5].value));
2637
2638	<	assertEquals(2, e.count.get());
2639	<	}
2638	>	checkCompletedNormally(f, v1);
2639	>	checkCompletedNormally(g, v2);
2640	>	}}
2641
2642		/**
2643	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2643	>	* runAfterEither result completes normally after normal completion
2644	>	* of either source
2645		*/
2646	<	public void testThenAcceptBothAsync4E() {
2647	<	CompletableFuture<Integer> f, g;
2648	<	CompletableFuture<Void> h;
2649	<	SubtractAction r;
2650	<	ThreadExecutor e = new ThreadExecutor();
2651	<
2652	<	f = new CompletableFuture<>();
2653	<	g = new CompletableFuture<>();
2654	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2687	<	assertTrue(f.cancel(true));
2688	<	checkIncomplete(h);
2689	<	g.complete(1);
2690	<	checkCompletedWithWrappedCancellationException(h);
2691	<
2692	<	f = new CompletableFuture<>();
2693	<	g = new CompletableFuture<>();
2694	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2695	<	assertTrue(g.cancel(true));
2696	<	checkIncomplete(h);
2697	<	f.complete(3);
2698	<	checkCompletedWithWrappedCancellationException(h);
2646	>	public void testRunAfterEither_normalCompletion() {
2647	>	for (ExecutionMode m : ExecutionMode.values())
2648	>	for (Integer v1 : new Integer[] { 1, null })
2649	>	for (Integer v2 : new Integer[] { 2, null })
2650	>	{
2651	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2652	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2653	>	final Noop[] rs = new Noop[6];
2654	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2655
2656	<	f = new CompletableFuture<>();
2657	<	g = new CompletableFuture<>();
2658	<	f.complete(3);
2659	<	assertTrue(g.cancel(true));
2660	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2661	<	checkCompletedWithWrappedCancellationException(h);
2656	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2657	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2658	>	checkIncomplete(h0);
2659	>	checkIncomplete(h1);
2660	>	rs[0].assertNotInvoked();
2661	>	rs[1].assertNotInvoked();
2662	>	f.complete(v1);
2663	>	checkCompletedNormally(h0, null);
2664	>	checkCompletedNormally(h1, null);
2665	>	rs[0].assertInvoked();
2666	>	rs[1].assertInvoked();
2667	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2668	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2669	>	checkCompletedNormally(h2, null);
2670	>	checkCompletedNormally(h3, null);
2671	>	rs[2].assertInvoked();
2672	>	rs[3].assertInvoked();
2673
2674	<	f = new CompletableFuture<>();
2708	<	g = new CompletableFuture<>();
2709	<	assertTrue(f.cancel(true));
2710	<	g.complete(3);
2711	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2712	<	checkCompletedWithWrappedCancellationException(h);
2674	>	g.complete(v2);
2675
2676	<	assertEquals(0, e.count.get());
2677	<	}
2676	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2677	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2678
2679	<	/**
2680	<	* runAfterBothAsync result completes normally after normal
2681	<	* completion of sources
2682	<	*/
2683	<	public void testRunAfterBothAsyncE() {
2684	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2685	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2686	<	Noop r = new Noop();
2687	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2688	<	f.complete(one);
2727	<	checkIncomplete(g);
2728	<	f2.complete(two);
2729	<	checkCompletedNormally(g, null);
2730	<	assertTrue(r.ran);
2731	<	}
2679	>	checkCompletedNormally(f, v1);
2680	>	checkCompletedNormally(g, v2);
2681	>	checkCompletedNormally(h0, null);
2682	>	checkCompletedNormally(h1, null);
2683	>	checkCompletedNormally(h2, null);
2684	>	checkCompletedNormally(h3, null);
2685	>	checkCompletedNormally(h4, null);
2686	>	checkCompletedNormally(h5, null);
2687	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2688	>	}}
2689
2690		/**
2691	<	* runAfterBothAsync result completes exceptionally after exceptional
2692	<	* completion of source
2691	>	* runAfterEither result completes exceptionally after exceptional
2692	>	* completion of either source
2693		*/
2694	<	public void testRunAfterBothAsync2E() {
2695	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2696	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2697	<	Noop r = new Noop();
2698	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2699	<	f.completeExceptionally(new CFException());
2700	<	f2.complete(two);
2701	<	checkCompletedWithWrappedCFException(g);
2694	>	public void testRunAfterEither_exceptionalCompletion() {
2695	>	for (ExecutionMode m : ExecutionMode.values())
2696	>	for (Integer v1 : new Integer[] { 1, null })
2697	>	{
2698	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2699	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2700	>	final CFException ex = new CFException();
2701	>	final Noop[] rs = new Noop[6];
2702	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2703
2704	<	r = new Noop();
2705	<	f = new CompletableFuture<>();
2706	<	f2 = new CompletableFuture<>();
2707	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2708	<	f.complete(one);
2709	<	f2.completeExceptionally(new CFException());
2710	<	checkCompletedWithWrappedCFException(g);
2711	<	}
2704	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2705	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2706	>	checkIncomplete(h0);
2707	>	checkIncomplete(h1);
2708	>	rs[0].assertNotInvoked();
2709	>	rs[1].assertNotInvoked();
2710	>	assertTrue(f.completeExceptionally(ex));
2711	>	checkCompletedWithWrappedException(h0, ex);
2712	>	checkCompletedWithWrappedException(h1, ex);
2713	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2714	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2715	>	checkCompletedWithWrappedException(h2, ex);
2716	>	checkCompletedWithWrappedException(h3, ex);
2717	>
2718	>	assertTrue(g.complete(v1));
2719	>
2720	>	// unspecified behavior - both source completions available
2721	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2722	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2723	>	try {
2724	>	assertNull(h4.join());
2725	>	rs[4].assertInvoked();
2726	>	} catch (CompletionException ok) {
2727	>	checkCompletedWithWrappedException(h4, ex);
2728	>	rs[4].assertNotInvoked();
2729	>	}
2730	>	try {
2731	>	assertNull(h5.join());
2732	>	rs[5].assertInvoked();
2733	>	} catch (CompletionException ok) {
2734	>	checkCompletedWithWrappedException(h5, ex);
2735	>	rs[5].assertNotInvoked();
2736	>	}
2737
2738	<	/**
2739	<	* runAfterBothAsync result completes exceptionally if action does
2740	<	*/
2741	<	public void testRunAfterBothAsync3E() {
2742	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2743	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2744	<	FailingNoop r = new FailingNoop();
2745	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2746	<	f.complete(one);
2747	<	checkIncomplete(g);
2748	<	f2.complete(two);
2749	<	checkCompletedWithWrappedCFException(g);
2750	<	}
2738	>	checkCompletedExceptionally(f, ex);
2739	>	checkCompletedNormally(g, v1);
2740	>	checkCompletedWithWrappedException(h0, ex);
2741	>	checkCompletedWithWrappedException(h1, ex);
2742	>	checkCompletedWithWrappedException(h2, ex);
2743	>	checkCompletedWithWrappedException(h3, ex);
2744	>	checkCompletedWithWrappedException(h4, ex);
2745	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2746	>	}}
2747	>
2748	>	public void testRunAfterEither_exceptionalCompletion2() {
2749	>	for (ExecutionMode m : ExecutionMode.values())
2750	>	for (boolean fFirst : new boolean[] { true, false })
2751	>	for (Integer v1 : new Integer[] { 1, null })
2752	>	{
2753	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2754	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2755	>	final CFException ex = new CFException();
2756	>	final Noop[] rs = new Noop[6];
2757	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2758
2759	<	/**
2760	<	* runAfterBothAsync result completes exceptionally if either source cancelled
2761	<	*/
2762	<	public void testRunAfterBothAsync4E() {
2763	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2764	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2765	<	Noop r = new Noop();
2766	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2767	<	assertTrue(f.cancel(true));
2768	<	f2.complete(two);
2769	<	checkCompletedWithWrappedCancellationException(g);
2759	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2760	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2761	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2762	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2763	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2764	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2765	>
2766	>	// unspecified behavior - both source completions available
2767	>	try {
2768	>	assertEquals(null, h0.join());
2769	>	rs[0].assertInvoked();
2770	>	} catch (CompletionException ok) {
2771	>	checkCompletedWithWrappedException(h0, ex);
2772	>	rs[0].assertNotInvoked();
2773	>	}
2774	>	try {
2775	>	assertEquals(null, h1.join());
2776	>	rs[1].assertInvoked();
2777	>	} catch (CompletionException ok) {
2778	>	checkCompletedWithWrappedException(h1, ex);
2779	>	rs[1].assertNotInvoked();
2780	>	}
2781	>	try {
2782	>	assertEquals(null, h2.join());
2783	>	rs[2].assertInvoked();
2784	>	} catch (CompletionException ok) {
2785	>	checkCompletedWithWrappedException(h2, ex);
2786	>	rs[2].assertNotInvoked();
2787	>	}
2788	>	try {
2789	>	assertEquals(null, h3.join());
2790	>	rs[3].assertInvoked();
2791	>	} catch (CompletionException ok) {
2792	>	checkCompletedWithWrappedException(h3, ex);
2793	>	rs[3].assertNotInvoked();
2794	>	}
2795
2796	<	r = new Noop();
2797	<	f = new CompletableFuture<>();
2798	<	f2 = new CompletableFuture<>();
2784	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2785	<	f.complete(one);
2786	<	assertTrue(f2.cancel(true));
2787	<	checkCompletedWithWrappedCancellationException(g);
2788	<	}
2796	>	checkCompletedNormally(f, v1);
2797	>	checkCompletedExceptionally(g, ex);
2798	>	}}
2799
2800		/**
2801	<	* applyToEitherAsync result completes normally after normal
2792	<	* completion of sources
2801	>	* runAfterEither result completes exceptionally if either source cancelled
2802		*/
2803	<	public void testApplyToEitherAsyncE() {
2804	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2805	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2806	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2807	<	f.complete(one);
2808	<	checkCompletedNormally(g, two);
2809	<
2810	<	f = new CompletableFuture<>();
2811	<	f.complete(one);
2803	<	f2 = new CompletableFuture<>();
2804	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2805	<	checkCompletedNormally(g, two);
2806	<	}
2803	>	public void testRunAfterEither_sourceCancelled() {
2804	>	for (ExecutionMode m : ExecutionMode.values())
2805	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2806	>	for (Integer v1 : new Integer[] { 1, null })
2807	>	{
2808	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2809	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2810	>	final Noop[] rs = new Noop[6];
2811	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2812
2813	<	/**
2814	<	* applyToEitherAsync result completes exceptionally after exceptional
2815	<	* completion of source
2816	<	*/
2817	<	public void testApplyToEitherAsync2E() {
2818	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2819	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2820	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2821	<	f.completeExceptionally(new CFException());
2822	<	checkCompletedWithWrappedCFException(g);
2813	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2814	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2815	>	checkIncomplete(h0);
2816	>	checkIncomplete(h1);
2817	>	rs[0].assertNotInvoked();
2818	>	rs[1].assertNotInvoked();
2819	>	f.cancel(mayInterruptIfRunning);
2820	>	checkCompletedWithWrappedCancellationException(h0);
2821	>	checkCompletedWithWrappedCancellationException(h1);
2822	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2823	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2824	>	checkCompletedWithWrappedCancellationException(h2);
2825	>	checkCompletedWithWrappedCancellationException(h3);
2826	>
2827	>	assertTrue(g.complete(v1));
2828	>
2829	>	// unspecified behavior - both source completions available
2830	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2831	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2832	>	try {
2833	>	assertNull(h4.join());
2834	>	rs[4].assertInvoked();
2835	>	} catch (CompletionException ok) {
2836	>	checkCompletedWithWrappedCancellationException(h4);
2837	>	rs[4].assertNotInvoked();
2838	>	}
2839	>	try {
2840	>	assertNull(h5.join());
2841	>	rs[5].assertInvoked();
2842	>	} catch (CompletionException ok) {
2843	>	checkCompletedWithWrappedCancellationException(h5);
2844	>	rs[5].assertNotInvoked();
2845	>	}
2846
2847	<	f = new CompletableFuture<>();
2848	<	f2 = new CompletableFuture<>();
2849	<	f2.completeExceptionally(new CFException());
2850	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2851	<	f.complete(one);
2852	<	checkCompletedWithWrappedCFException(g);
2853	<	}
2847	>	checkCancelled(f);
2848	>	checkCompletedNormally(g, v1);
2849	>	checkCompletedWithWrappedCancellationException(h0);
2850	>	checkCompletedWithWrappedCancellationException(h1);
2851	>	checkCompletedWithWrappedCancellationException(h2);
2852	>	checkCompletedWithWrappedCancellationException(h3);
2853	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2854	>	}}
2855
2856		/**
2857	<	* applyToEitherAsync result completes exceptionally if action does
2857	>	* runAfterEither result completes exceptionally if action does
2858		*/
2859	<	public void testApplyToEitherAsync3E() {
2860	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2861	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2862	<	FailingFunction r = new FailingFunction();
2863	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2864	<	f.complete(one);
2865	<	checkCompletedWithWrappedCFException(g);
2866	<	}
2859	>	public void testRunAfterEither_actionFailed() {
2860	>	for (ExecutionMode m : ExecutionMode.values())
2861	>	for (Integer v1 : new Integer[] { 1, null })
2862	>	for (Integer v2 : new Integer[] { 2, null })
2863	>	{
2864	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2865	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2866	>	final FailingRunnable[] rs = new FailingRunnable[6];
2867	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2868
2869	<	/**
2870	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2871	<	*/
2872	<	public void testApplyToEitherAsync4E() {
2873	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2874	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2875	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2876	<	assertTrue(f.cancel(true));
2877	<	checkCompletedWithWrappedCancellationException(g);
2869	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2870	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2871	>	assertTrue(f.complete(v1));
2872	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2873	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2874	>	checkCompletedWithWrappedCFException(h0);
2875	>	checkCompletedWithWrappedCFException(h1);
2876	>	checkCompletedWithWrappedCFException(h2);
2877	>	checkCompletedWithWrappedCFException(h3);
2878	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2879	>	assertTrue(g.complete(v2));
2880	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2881	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2882	>	checkCompletedWithWrappedCFException(h4);
2883	>	checkCompletedWithWrappedCFException(h5);
2884
2885	<	f = new CompletableFuture<>();
2886	<	f2 = new CompletableFuture<>();
2887	<	assertTrue(f2.cancel(true));
2888	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2853	<	checkCompletedWithWrappedCancellationException(g);
2854	<	}
2885	>	checkCompletedNormally(f, v1);
2886	>	checkCompletedNormally(g, v2);
2887	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2888	>	}}
2889
2890		/**
2891	<	* acceptEitherAsync result completes normally after normal
2858	<	* completion of sources
2891	>	* thenCompose result completes normally after normal completion of source
2892		*/
2893	<	public void testAcceptEitherAsyncE() {
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	<	f.complete(one);
2899	<	checkCompletedNormally(g, null);
2900	<	assertEquals(r.value, 2);
2893	>	public void testThenCompose_normalCompletion() {
2894	>	for (ExecutionMode m : ExecutionMode.values())
2895	>	for (boolean createIncomplete : new boolean[] { true, false })
2896	>	for (Integer v1 : new Integer[] { 1, null })
2897	>	{
2898	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2899	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2900	>	if (!createIncomplete) assertTrue(f.complete(v1));
2901	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2902	>	if (createIncomplete) assertTrue(f.complete(v1));
2903
2904	<	r = new IncAction();
2905	<	f = new CompletableFuture<>();
2906	<	f.complete(one);
2907	<	f2 = new CompletableFuture<>();
2873	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2874	<	checkCompletedNormally(g, null);
2875	<	assertEquals(r.value, 2);
2876	<	}
2904	>	checkCompletedNormally(g, inc(v1));
2905	>	checkCompletedNormally(f, v1);
2906	>	r.assertValue(v1);
2907	>	}}
2908
2909		/**
2910	<	* acceptEitherAsync result completes exceptionally after exceptional
2910	>	* thenCompose result completes exceptionally after exceptional
2911		* completion of source
2912		*/
2913	<	public void testAcceptEitherAsync2E() {
2914	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2915	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2916	<	IncAction r = new IncAction();
2917	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2918	<	f.completeExceptionally(new CFException());
2919	<	checkCompletedWithWrappedCFException(g);
2920	<
2921	<	r = new IncAction();
2922	<	f = new CompletableFuture<>();
2923	<	f2 = new CompletableFuture<>();
2924	<	f2.completeExceptionally(new CFException());
2925	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2926	<	f.complete(one);
2927	<	checkCompletedWithWrappedCFException(g);
2897	<	}
2898	<
2899	<	/**
2900	<	* acceptEitherAsync result completes exceptionally if action does
2901	<	*/
2902	<	public void testAcceptEitherAsync3E() {
2903	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2904	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2905	<	FailingConsumer r = new FailingConsumer();
2906	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2907	<	f.complete(one);
2908	<	checkCompletedWithWrappedCFException(g);
2909	<	}
2910	<
2911	<	/**
2912	<	* acceptEitherAsync result completes exceptionally if either
2913	<	* source cancelled
2914	<	*/
2915	<	public void testAcceptEitherAsync4E() {
2916	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2917	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2918	<	IncAction r = new IncAction();
2919	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2920	<	assertTrue(f.cancel(true));
2921	<	checkCompletedWithWrappedCancellationException(g);
2922	<
2923	<	r = new IncAction();
2924	<	f = new CompletableFuture<>();
2925	<	f2 = new CompletableFuture<>();
2926	<	assertTrue(f2.cancel(true));
2927	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2928	<	checkCompletedWithWrappedCancellationException(g);
2929	<	}
2930	<
2931	<	/**
2932	<	* runAfterEitherAsync result completes normally after normal
2933	<	* completion of sources
2934	<	*/
2935	<	public void testRunAfterEitherAsyncE() {
2936	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2937	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2938	<	Noop r = new Noop();
2939	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2940	<	f.complete(one);
2941	<	checkCompletedNormally(g, null);
2942	<	assertTrue(r.ran);
2943	<
2944	<	r = new Noop();
2945	<	f = new CompletableFuture<>();
2946	<	f.complete(one);
2947	<	f2 = new CompletableFuture<>();
2948	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2949	<	checkCompletedNormally(g, null);
2950	<	assertTrue(r.ran);
2951	<	}
2913	>	public void testThenCompose_exceptionalCompletion() {
2914	>	for (ExecutionMode m : ExecutionMode.values())
2915	>	for (boolean createIncomplete : new boolean[] { true, false })
2916	>	{
2917	>	final CFException ex = new CFException();
2918	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2919	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2920	>	if (!createIncomplete) f.completeExceptionally(ex);
2921	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2922	>	if (createIncomplete) f.completeExceptionally(ex);
2923	>
2924	>	checkCompletedWithWrappedException(g, ex);
2925	>	checkCompletedExceptionally(f, ex);
2926	>	r.assertNotInvoked();
2927	>	}}
2928
2929		/**
2930	<	* runAfterEitherAsync result completes exceptionally after exceptional
2955	<	* completion of source
2930	>	* thenCompose result completes exceptionally if action does
2931		*/
2932	<	public void testRunAfterEitherAsync2E() {
2933	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2934	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2935	<	Noop r = new Noop();
2936	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2937	<	f.completeExceptionally(new CFException());
2938	<	checkCompletedWithWrappedCFException(g);
2932	>	public void testThenCompose_actionFailed() {
2933	>	for (ExecutionMode m : ExecutionMode.values())
2934	>	for (boolean createIncomplete : new boolean[] { true, false })
2935	>	for (Integer v1 : new Integer[] { 1, null })
2936	>	{
2937	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2938	>	final FailingCompletableFutureFunction r
2939	>	= new FailingCompletableFutureFunction(m);
2940	>	if (!createIncomplete) assertTrue(f.complete(v1));
2941	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2942	>	if (createIncomplete) assertTrue(f.complete(v1));
2943
2965	–	r = new Noop();
2966	–	f = new CompletableFuture<>();
2967	–	f2 = new CompletableFuture<>();
2968	–	f2.completeExceptionally(new CFException());
2969	–	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2970	–	f.complete(one);
2944		checkCompletedWithWrappedCFException(g);
2945	<	}
2946	<
2974	<	/**
2975	<	* runAfterEitherAsync result completes exceptionally if action does
2976	<	*/
2977	<	public void testRunAfterEitherAsync3E() {
2978	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2979	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2980	<	FailingNoop r = new FailingNoop();
2981	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2982	<	f.complete(one);
2983	<	checkCompletedWithWrappedCFException(g);
2984	<	}
2945	>	checkCompletedNormally(f, v1);
2946	>	}}
2947
2948		/**
2949	<	* runAfterEitherAsync result completes exceptionally if either
2988	<	* source cancelled
2949	>	* thenCompose result completes exceptionally if source cancelled
2950		*/
2951	<	public void testRunAfterEitherAsync4E() {
2952	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2953	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2954	<	Noop r = new Noop();
2955	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2956	<	assertTrue(f.cancel(true));
2957	<	checkCompletedWithWrappedCancellationException(g);
2951	>	public void testThenCompose_sourceCancelled() {
2952	>	for (ExecutionMode m : ExecutionMode.values())
2953	>	for (boolean createIncomplete : new boolean[] { true, false })
2954	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2955	>	{
2956	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2957	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2958	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2959	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2960	>	if (createIncomplete) {
2961	>	checkIncomplete(g);
2962	>	assertTrue(f.cancel(mayInterruptIfRunning));
2963	>	}
2964
2998	–	r = new Noop();
2999	–	f = new CompletableFuture<>();
3000	–	f2 = new CompletableFuture<>();
3001	–	assertTrue(f2.cancel(true));
3002	–	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2965		checkCompletedWithWrappedCancellationException(g);
2966	<	}
2967	<
3006	<	/**
3007	<	* thenComposeAsync result completes normally after normal
3008	<	* completion of source
3009	<	*/
3010	<	public void testThenComposeAsyncE() {
3011	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3012	<	CompletableFutureInc r = new CompletableFutureInc();
3013	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3014	<	f.complete(one);
3015	<	checkCompletedNormally(g, two);
3016	<	}
3017	<
3018	<	/**
3019	<	* thenComposeAsync result completes exceptionally after
3020	<	* exceptional completion of source
3021	<	*/
3022	<	public void testThenComposeAsync2E() {
3023	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3024	<	CompletableFutureInc r = new CompletableFutureInc();
3025	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3026	<	f.completeExceptionally(new CFException());
3027	<	checkCompletedWithWrappedCFException(g);
3028	<	}
2966	>	checkCancelled(f);
2967	>	}}
2968
2969		/**
2970	<	* thenComposeAsync result completes exceptionally if action does
2970	>	* thenCompose result completes exceptionally if the result of the action does
2971		*/
2972	<	public void testThenComposeAsync3E() {
2973	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2974	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2975	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2976	<	f.complete(one);
2977	<	checkCompletedWithWrappedCFException(g);
2978	<	}
2972	>	public void testThenCompose_actionReturnsFailingFuture() {
2973	>	for (ExecutionMode m : ExecutionMode.values())
2974	>	for (int order = 0; order < 6; order++)
2975	>	for (Integer v1 : new Integer[] { 1, null })
2976	>	{
2977	>	final CFException ex = new CFException();
2978	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2979	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2980	>	final CompletableFuture<Integer> h;
2981	>	// Test all permutations of orders
2982	>	switch (order) {
2983	>	case 0:
2984	>	assertTrue(f.complete(v1));
2985	>	assertTrue(g.completeExceptionally(ex));
2986	>	h = m.thenCompose(f, (x -> g));
2987	>	break;
2988	>	case 1:
2989	>	assertTrue(f.complete(v1));
2990	>	h = m.thenCompose(f, (x -> g));
2991	>	assertTrue(g.completeExceptionally(ex));
2992	>	break;
2993	>	case 2:
2994	>	assertTrue(g.completeExceptionally(ex));
2995	>	assertTrue(f.complete(v1));
2996	>	h = m.thenCompose(f, (x -> g));
2997	>	break;
2998	>	case 3:
2999	>	assertTrue(g.completeExceptionally(ex));
3000	>	h = m.thenCompose(f, (x -> g));
3001	>	assertTrue(f.complete(v1));
3002	>	break;
3003	>	case 4:
3004	>	h = m.thenCompose(f, (x -> g));
3005	>	assertTrue(f.complete(v1));
3006	>	assertTrue(g.completeExceptionally(ex));
3007	>	break;
3008	>	case 5:
3009	>	h = m.thenCompose(f, (x -> g));
3010	>	assertTrue(f.complete(v1));
3011	>	assertTrue(g.completeExceptionally(ex));
3012	>	break;
3013	>	default: throw new AssertionError();
3014	>	}
3015
3016	<	/**
3017	<	* thenComposeAsync result completes exceptionally if source cancelled
3018	<	*/
3019	<	public void testThenComposeAsync4E() {
3045	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3046	<	CompletableFutureInc r = new CompletableFutureInc();
3047	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3048	<	assertTrue(f.cancel(true));
3049	<	checkCompletedWithWrappedCancellationException(g);
3050	<	}
3016	>	checkCompletedExceptionally(g, ex);
3017	>	checkCompletedWithWrappedException(h, ex);
3018	>	checkCompletedNormally(f, v1);
3019	>	}}
3020
3021		// other static methods
3022
#	Line 3065 | Line 3034 | public class CompletableFutureTest exten
3034		* when all components complete normally
3035		*/
3036		public void testAllOf_normal() throws Exception {
3037	<	for (int k = 1; k < 20; ++k) {
3038	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3039	<	for (int i = 0; i < k; ++i)
3037	>	for (int k = 1; k < 10; k++) {
3038	>	CompletableFuture<Integer>[] fs
3039	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3040	>	for (int i = 0; i < k; i++)
3041		fs[i] = new CompletableFuture<>();
3042		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3043	<	for (int i = 0; i < k; ++i) {
3043	>	for (int i = 0; i < k; i++) {
3044		checkIncomplete(f);
3045		checkIncomplete(CompletableFuture.allOf(fs));
3046		fs[i].complete(one);
#	Line 3080 | Line 3050 | public class CompletableFutureTest exten
3050		}
3051		}
3052
3053	+	public void testAllOf_backwards() throws Exception {
3054	+	for (int k = 1; k < 10; k++) {
3055	+	CompletableFuture<Integer>[] fs
3056	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3057	+	for (int i = 0; i < k; i++)
3058	+	fs[i] = new CompletableFuture<>();
3059	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3060	+	for (int i = k - 1; i >= 0; i--) {
3061	+	checkIncomplete(f);
3062	+	checkIncomplete(CompletableFuture.allOf(fs));
3063	+	fs[i].complete(one);
3064	+	}
3065	+	checkCompletedNormally(f, null);
3066	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3067	+	}
3068	+	}
3069	+
3070	+	public void testAllOf_exceptional() throws Exception {
3071	+	for (int k = 1; k < 10; k++) {
3072	+	CompletableFuture<Integer>[] fs
3073	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3074	+	CFException ex = new CFException();
3075	+	for (int i = 0; i < k; i++)
3076	+	fs[i] = new CompletableFuture<>();
3077	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3078	+	for (int i = 0; i < k; i++) {
3079	+	checkIncomplete(f);
3080	+	checkIncomplete(CompletableFuture.allOf(fs));
3081	+	if (i != k / 2) {
3082	+	fs[i].complete(i);
3083	+	checkCompletedNormally(fs[i], i);
3084	+	} else {
3085	+	fs[i].completeExceptionally(ex);
3086	+	checkCompletedExceptionally(fs[i], ex);
3087	+	}
3088	+	}
3089	+	checkCompletedWithWrappedException(f, ex);
3090	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3091	+	}
3092	+	}
3093	+
3094		/**
3095		* anyOf(no component futures) returns an incomplete future
3096		*/
3097		public void testAnyOf_empty() throws Exception {
3098	+	for (Integer v1 : new Integer[] { 1, null })
3099	+	{
3100		CompletableFuture<Object> f = CompletableFuture.anyOf();
3101		checkIncomplete(f);
3102	<	}
3102	>
3103	>	f.complete(v1);
3104	>	checkCompletedNormally(f, v1);
3105	>	}}
3106
3107		/**
3108		* anyOf returns a future completed normally with a value when
3109		* a component future does
3110		*/
3111		public void testAnyOf_normal() throws Exception {
3112	<	for (int k = 0; k < 10; ++k) {
3112	>	for (int k = 0; k < 10; k++) {
3113		CompletableFuture[] fs = new CompletableFuture[k];
3114	<	for (int i = 0; i < k; ++i)
3114	>	for (int i = 0; i < k; i++)
3115		fs[i] = new CompletableFuture<>();
3116		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3117		checkIncomplete(f);
3118	<	for (int i = 0; i < k; ++i) {
3119	<	fs[i].complete(one);
3120	<	checkCompletedNormally(f, one);
3121	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3118	>	for (int i = 0; i < k; i++) {
3119	>	fs[i].complete(i);
3120	>	checkCompletedNormally(f, 0);
3121	>	int x = (int) CompletableFuture.anyOf(fs).join();
3122	>	assertTrue(0 <= x && x <= i);
3123	>	}
3124	>	}
3125	>	}
3126	>	public void testAnyOf_normal_backwards() throws Exception {
3127	>	for (int k = 0; k < 10; k++) {
3128	>	CompletableFuture[] fs = new CompletableFuture[k];
3129	>	for (int i = 0; i < k; i++)
3130	>	fs[i] = new CompletableFuture<>();
3131	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3132	>	checkIncomplete(f);
3133	>	for (int i = k - 1; i >= 0; i--) {
3134	>	fs[i].complete(i);
3135	>	checkCompletedNormally(f, k - 1);
3136	>	int x = (int) CompletableFuture.anyOf(fs).join();
3137	>	assertTrue(i <= x && x <= k - 1);
3138		}
3139		}
3140		}
#	Line 3111 | Line 3143 | public class CompletableFutureTest exten
3143		* anyOf result completes exceptionally when any component does.
3144		*/
3145		public void testAnyOf_exceptional() throws Exception {
3146	<	for (int k = 0; k < 10; ++k) {
3146	>	for (int k = 0; k < 10; k++) {
3147	>	CompletableFuture[] fs = new CompletableFuture[k];
3148	>	CFException[] exs = new CFException[k];
3149	>	for (int i = 0; i < k; i++) {
3150	>	fs[i] = new CompletableFuture<>();
3151	>	exs[i] = new CFException();
3152	>	}
3153	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3154	>	checkIncomplete(f);
3155	>	for (int i = 0; i < k; i++) {
3156	>	fs[i].completeExceptionally(exs[i]);
3157	>	checkCompletedWithWrappedException(f, exs[0]);
3158	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3159	>	}
3160	>	}
3161	>	}
3162	>
3163	>	public void testAnyOf_exceptional_backwards() throws Exception {
3164	>	for (int k = 0; k < 10; k++) {
3165		CompletableFuture[] fs = new CompletableFuture[k];
3166	<	for (int i = 0; i < k; ++i)
3166	>	CFException[] exs = new CFException[k];
3167	>	for (int i = 0; i < k; i++) {
3168		fs[i] = new CompletableFuture<>();
3169	+	exs[i] = new CFException();
3170	+	}
3171		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3172		checkIncomplete(f);
3173	<	for (int i = 0; i < k; ++i) {
3174	<	fs[i].completeExceptionally(new CFException());
3175	<	checkCompletedWithWrappedCFException(f);
3173	>	for (int i = k - 1; i >= 0; i--) {
3174	>	fs[i].completeExceptionally(exs[i]);
3175	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3176		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3177		}
3178		}
#	Line 3132 | Line 3185 | public class CompletableFutureTest exten
3185		CompletableFuture<Integer> f = new CompletableFuture<>();
3186		CompletableFuture<Integer> g = new CompletableFuture<>();
3187		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3135	–	CompletableFuture<?> h;
3188		ThreadExecutor exec = new ThreadExecutor();
3189
3190		Runnable[] throwingActions = {
3191		() -> CompletableFuture.supplyAsync(null),
3192		() -> CompletableFuture.supplyAsync(null, exec),
3193	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3193	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3194
3195		() -> CompletableFuture.runAsync(null),
3196		() -> CompletableFuture.runAsync(null, exec),
#	Line 3211 | Line 3263 | public class CompletableFutureTest exten
3263
3264		() -> f.thenCompose(null),
3265		() -> f.thenComposeAsync(null),
3266	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3266	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3267		() -> f.thenComposeAsync(null, exec),
3268
3269		() -> f.exceptionally(null),
#	Line 3229 | Line 3281 | public class CompletableFutureTest exten
3281		() -> CompletableFuture.anyOf(null, f),
3282
3283		() -> f.obtrudeException(null),
3284	+
3285	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3286	+	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3287	+	() -> CompletableFuture.delayedExecutor(1L, null),
3288	+
3289	+	() -> f.orTimeout(1L, null),
3290	+	() -> f.completeOnTimeout(42, 1L, null),
3291	+
3292	+	() -> CompletableFuture.failedFuture(null),
3293	+	() -> CompletableFuture.failedStage(null),
3294		};
3295
3296		assertThrows(NullPointerException.class, throwingActions);
#	Line 3243 | Line 3305 | public class CompletableFutureTest exten
3305		assertSame(f, f.toCompletableFuture());
3306		}
3307
3308	+	// jdk9
3309	+
3310		/**
3311	<	* whenComplete action executes on normal completion, propagating
3248	<	* source result.
3311	>	* newIncompleteFuture returns an incomplete CompletableFuture
3312		*/
3313	<	public void testWhenComplete1() {
3314	<	final AtomicInteger a = new AtomicInteger();
3313	>	public void testNewIncompleteFuture() {
3314	>	for (Integer v1 : new Integer[] { 1, null })
3315	>	{
3316		CompletableFuture<Integer> f = new CompletableFuture<>();
3317	<	CompletableFuture<Integer> g =
3318	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3319	<	f.complete(three);
3320	<	checkCompletedNormally(f, three);
3321	<	checkCompletedNormally(g, three);
3322	<	assertEquals(a.get(), 1);
3317	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3318	>	checkIncomplete(f);
3319	>	checkIncomplete(g);
3320	>	f.complete(v1);
3321	>	checkCompletedNormally(f, v1);
3322	>	checkIncomplete(g);
3323	>	g.complete(v1);
3324	>	checkCompletedNormally(g, v1);
3325	>	assertSame(g.getClass(), CompletableFuture.class);
3326	>	}}
3327	>
3328	>	/**
3329	>	* completedStage returns a completed CompletionStage
3330	>	*/
3331	>	public void testCompletedStage() {
3332	>	AtomicInteger x = new AtomicInteger(0);
3333	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3334	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3335	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3336	>	assertEquals(x.get(), 1);
3337	>	assertNull(r.get());
3338		}
3339
3340		/**
3341	<	* whenComplete action executes on exceptional completion, propagating
3342	<	* source result.
3341	>	* defaultExecutor by default returns the commonPool if
3342	>	* it supports more than one thread.
3343		*/
3344	<	public void testWhenComplete2() {
3266	<	final AtomicInteger a = new AtomicInteger();
3344	>	public void testDefaultExecutor() {
3345		CompletableFuture<Integer> f = new CompletableFuture<>();
3346	<	CompletableFuture<Integer> g =
3347	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3348	<	f.completeExceptionally(new CFException());
3349	<	assertTrue(f.isCompletedExceptionally());
3350	<	assertTrue(g.isCompletedExceptionally());
3351	<	assertEquals(a.get(), 1);
3346	>	Executor e = f.defaultExecutor();
3347	>	Executor c = ForkJoinPool.commonPool();
3348	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3349	>	assertSame(e, c);
3350	>	else
3351	>	assertNotSame(e, c);
3352		}
3353
3354		/**
3355	<	* If a whenComplete action throws an exception when triggered by
3356	<	* a normal completion, it completes exceptionally
3355	>	* failedFuture returns a CompletableFuture completed
3356	>	* exceptionally with the given Exception
3357		*/
3358	<	public void testWhenComplete3() {
3359	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3360	<	CompletableFuture<Integer> g =
3361	<	f.whenComplete((Integer x, Throwable t) ->
3284	<	{ throw new CFException(); } );
3285	<	f.complete(three);
3286	<	checkCompletedNormally(f, three);
3287	<	assertTrue(g.isCompletedExceptionally());
3288	<	checkCompletedWithWrappedCFException(g);
3358	>	public void testFailedFuture() {
3359	>	CFException ex = new CFException();
3360	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3361	>	checkCompletedExceptionally(f, ex);
3362		}
3363
3364		/**
3365	<	* whenCompleteAsync action executes on normal completion, propagating
3293	<	* source result.
3365	>	* failedFuture(null) throws NPE
3366		*/
3367	<	public void testWhenCompleteAsync1() {
3368	<	final AtomicInteger a = new AtomicInteger();
3369	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3370	<	CompletableFuture<Integer> g =
3371	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3300	<	f.complete(three);
3301	<	checkCompletedNormally(f, three);
3302	<	checkCompletedNormally(g, three);
3303	<	assertEquals(a.get(), 1);
3367	>	public void testFailedFuture_null() {
3368	>	try {
3369	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3370	>	shouldThrow();
3371	>	} catch (NullPointerException success) {}
3372		}
3373
3374		/**
3375	<	* whenCompleteAsync action executes on exceptional completion, propagating
3376	<	* source result.
3375	>	* copy returns a CompletableFuture that is completed normally,
3376	>	* with the same value, when source is.
3377		*/
3378	<	public void testWhenCompleteAsync2() {
3311	<	final AtomicInteger a = new AtomicInteger();
3378	>	public void testCopy() {
3379		CompletableFuture<Integer> f = new CompletableFuture<>();
3380	<	CompletableFuture<Integer> g =
3381	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3382	<	f.completeExceptionally(new CFException());
3383	<	checkCompletedWithWrappedCFException(f);
3384	<	checkCompletedWithWrappedCFException(g);
3380	>	CompletableFuture<Integer> g = f.copy();
3381	>	checkIncomplete(f);
3382	>	checkIncomplete(g);
3383	>	f.complete(1);
3384	>	checkCompletedNormally(f, 1);
3385	>	checkCompletedNormally(g, 1);
3386		}
3387
3388		/**
3389	<	* If a whenCompleteAsync action throws an exception when
3390	<	* triggered by a normal completion, it completes exceptionally
3389	>	* copy returns a CompletableFuture that is completed exceptionally
3390	>	* when source is.
3391		*/
3392	<	public void testWhenCompleteAsync3() {
3392	>	public void testCopy2() {
3393		CompletableFuture<Integer> f = new CompletableFuture<>();
3394	<	CompletableFuture<Integer> g =
3395	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3396	<	{ throw new CFException(); } );
3397	<	f.complete(three);
3398	<	checkCompletedNormally(f, three);
3399	<	checkCompletedWithWrappedCFException(g);
3394	>	CompletableFuture<Integer> g = f.copy();
3395	>	checkIncomplete(f);
3396	>	checkIncomplete(g);
3397	>	CFException ex = new CFException();
3398	>	f.completeExceptionally(ex);
3399	>	checkCompletedExceptionally(f, ex);
3400	>	checkCompletedWithWrappedException(g, ex);
3401		}
3402
3403		/**
3404	<	* whenCompleteAsync action executes on normal completion, propagating
3405	<	* source result.
3404	>	* minimalCompletionStage returns a CompletableFuture that is
3405	>	* completed normally, with the same value, when source is.
3406		*/
3407	<	public void testWhenCompleteAsync1e() {
3339	<	final AtomicInteger a = new AtomicInteger();
3340	<	ThreadExecutor exec = new ThreadExecutor();
3407	>	public void testMinimalCompletionStage() {
3408		CompletableFuture<Integer> f = new CompletableFuture<>();
3409	<	CompletableFuture<Integer> g =
3410	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3411	<	exec);
3412	<	f.complete(three);
3413	<	checkCompletedNormally(f, three);
3414	<	checkCompletedNormally(g, three);
3415	<	assertEquals(a.get(), 1);
3409	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3410	>	AtomicInteger x = new AtomicInteger(0);
3411	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3412	>	checkIncomplete(f);
3413	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3414	>	f.complete(1);
3415	>	checkCompletedNormally(f, 1);
3416	>	assertEquals(x.get(), 1);
3417	>	assertNull(r.get());
3418		}
3419
3420		/**
3421	<	* whenCompleteAsync action executes on exceptional completion, propagating
3422	<	* source result.
3421	>	* minimalCompletionStage returns a CompletableFuture that is
3422	>	* completed exceptionally when source is.
3423		*/
3424	<	public void testWhenCompleteAsync2e() {
3356	<	final AtomicInteger a = new AtomicInteger();
3357	<	ThreadExecutor exec = new ThreadExecutor();
3424	>	public void testMinimalCompletionStage2() {
3425		CompletableFuture<Integer> f = new CompletableFuture<>();
3426	<	CompletableFuture<Integer> g =
3427	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3428	<	exec);
3429	<	f.completeExceptionally(new CFException());
3430	<	checkCompletedWithWrappedCFException(f);
3431	<	checkCompletedWithWrappedCFException(g);
3426	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3427	>	AtomicInteger x = new AtomicInteger(0);
3428	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3429	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3430	>	checkIncomplete(f);
3431	>	CFException ex = new CFException();
3432	>	f.completeExceptionally(ex);
3433	>	checkCompletedExceptionally(f, ex);
3434	>	assertEquals(x.get(), 0);
3435	>	assertEquals(r.get().getCause(), ex);
3436		}
3437
3438		/**
3439	<	* If a whenCompleteAsync action throws an exception when triggered
3440	<	* by a normal completion, it completes exceptionally
3439	>	* failedStage returns a CompletionStage completed
3440	>	* exceptionally with the given Exception
3441		*/
3442	<	public void testWhenCompleteAsync3e() {
3443	<	ThreadExecutor exec = new ThreadExecutor();
3442	>	public void testFailedStage() {
3443	>	CFException ex = new CFException();
3444	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3445	>	AtomicInteger x = new AtomicInteger(0);
3446	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3447	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3448	>	assertEquals(x.get(), 0);
3449	>	assertEquals(r.get(), ex);
3450	>	}
3451	>
3452	>	/**
3453	>	* completeAsync completes with value of given supplier
3454	>	*/
3455	>	public void testCompleteAsync() {
3456	>	for (Integer v1 : new Integer[] { 1, null })
3457	>	{
3458		CompletableFuture<Integer> f = new CompletableFuture<>();
3459	<	CompletableFuture<Integer> g =
3460	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3461	<	{ throw new CFException(); },
3462	<	exec);
3463	<	f.complete(three);
3464	<	checkCompletedNormally(f, three);
3465	<	checkCompletedWithWrappedCFException(g);
3459	>	f.completeAsync(() -> v1);
3460	>	f.join();
3461	>	checkCompletedNormally(f, v1);
3462	>	}}
3463	>
3464	>	/**
3465	>	* completeAsync completes exceptionally if given supplier throws
3466	>	*/
3467	>	public void testCompleteAsync2() {
3468	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3469	>	CFException ex = new CFException();
3470	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3471	>	try {
3472	>	f.join();
3473	>	shouldThrow();
3474	>	} catch (CompletionException success) {}
3475	>	checkCompletedWithWrappedException(f, ex);
3476		}
3477
3478		/**
3479	<	* handleAsync action completes normally with function value on
3385	<	* either normal or exceptional completion of source
3479	>	* completeAsync with given executor completes with value of given supplier
3480		*/
3481	<	public void testHandleAsync() {
3482	<	CompletableFuture<Integer> f, g;
3483	<	IntegerHandler r;
3481	>	public void testCompleteAsync3() {
3482	>	for (Integer v1 : new Integer[] { 1, null })
3483	>	{
3484	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3485	>	ThreadExecutor executor = new ThreadExecutor();
3486	>	f.completeAsync(() -> v1, executor);
3487	>	assertSame(v1, f.join());
3488	>	checkCompletedNormally(f, v1);
3489	>	assertEquals(1, executor.count.get());
3490	>	}}
3491
3492	<	f = new CompletableFuture<>();
3493	<	g = f.handleAsync(r = new IntegerHandler());
3494	<	assertFalse(r.ran);
3495	<	f.completeExceptionally(new CFException());
3496	<	checkCompletedWithWrappedCFException(f);
3497	<	checkCompletedNormally(g, three);
3498	<	assertTrue(r.ran);
3492	>	/**
3493	>	* completeAsync with given executor completes exceptionally if
3494	>	* given supplier throws
3495	>	*/
3496	>	public void testCompleteAsync4() {
3497	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3498	>	CFException ex = new CFException();
3499	>	ThreadExecutor executor = new ThreadExecutor();
3500	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3501	>	try {
3502	>	f.join();
3503	>	shouldThrow();
3504	>	} catch (CompletionException success) {}
3505	>	checkCompletedWithWrappedException(f, ex);
3506	>	assertEquals(1, executor.count.get());
3507	>	}
3508
3509	<	f = new CompletableFuture<>();
3510	<	g = f.handleAsync(r = new IntegerHandler());
3511	<	assertFalse(r.ran);
3512	<	f.completeExceptionally(new CFException());
3513	<	checkCompletedWithWrappedCFException(f);
3514	<	checkCompletedNormally(g, three);
3515	<	assertTrue(r.ran);
3509	>	/**
3510	>	* orTimeout completes with TimeoutException if not complete
3511	>	*/
3512	>	public void testOrTimeout_timesOut() {
3513	>	long timeoutMillis = timeoutMillis();
3514	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3515	>	long startTime = System.nanoTime();
3516	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3517	>	checkCompletedWithTimeoutException(f);
3518	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3519	>	}
3520
3521	<	f = new CompletableFuture<>();
3522	<	g = f.handleAsync(r = new IntegerHandler());
3523	<	assertFalse(r.ran);
3524	<	f.complete(one);
3525	<	checkCompletedNormally(f, one);
3526	<	checkCompletedNormally(g, two);
3527	<	assertTrue(r.ran);
3521	>	/**
3522	>	* orTimeout completes normally if completed before timeout
3523	>	*/
3524	>	public void testOrTimeout_completed() {
3525	>	for (Integer v1 : new Integer[] { 1, null })
3526	>	{
3527	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3528	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3529	>	long startTime = System.nanoTime();
3530	>	f.complete(v1);
3531	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3532	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3533	>	g.complete(v1);
3534	>	checkCompletedNormally(f, v1);
3535	>	checkCompletedNormally(g, v1);
3536	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3537	>	}}
3538
3539	<	f = new CompletableFuture<>();
3540	<	g = f.handleAsync(r = new IntegerHandler());
3541	<	assertFalse(r.ran);
3542	<	f.complete(one);
3543	<	checkCompletedNormally(f, one);
3544	<	checkCompletedNormally(g, two);
3545	<	assertTrue(r.ran);
3539	>	/**
3540	>	* completeOnTimeout completes with given value if not complete
3541	>	*/
3542	>	public void testCompleteOnTimeout_timesOut() {
3543	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3544	>	() -> testCompleteOnTimeout_timesOut(null));
3545	>	}
3546	>
3547	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3548	>	long timeoutMillis = timeoutMillis();
3549	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3550	>	long startTime = System.nanoTime();
3551	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3552	>	assertSame(v, f.join());
3553	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3554	>	f.complete(99);         // should have no effect
3555	>	checkCompletedNormally(f, v);
3556		}
3557
3558		/**
3559	<	* handleAsync action with Executor completes normally with
3426	<	* function value on either normal or exceptional completion of
3427	<	* source
3559	>	* completeOnTimeout has no effect if completed within timeout
3560		*/
3561	<	public void testHandleAsync2() {
3562	<	CompletableFuture<Integer> f, g;
3563	<	ThreadExecutor exec = new ThreadExecutor();
3564	<	IntegerHandler r;
3561	>	public void testCompleteOnTimeout_completed() {
3562	>	for (Integer v1 : new Integer[] { 1, null })
3563	>	{
3564	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3565	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3566	>	long startTime = System.nanoTime();
3567	>	f.complete(v1);
3568	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3569	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3570	>	g.complete(v1);
3571	>	checkCompletedNormally(f, v1);
3572	>	checkCompletedNormally(g, v1);
3573	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3574	>	}}
3575
3576	<	f = new CompletableFuture<>();
3577	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3578	<	assertFalse(r.ran);
3579	<	f.completeExceptionally(new CFException());
3580	<	checkCompletedWithWrappedCFException(f);
3581	<	checkCompletedNormally(g, three);
3582	<	assertTrue(r.ran);
3576	>	/**
3577	>	* delayedExecutor returns an executor that delays submission
3578	>	*/
3579	>	public void testDelayedExecutor() {
3580	>	testInParallel(() -> testDelayedExecutor(null, null),
3581	>	() -> testDelayedExecutor(null, 1),
3582	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3583	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3584	>	}
3585	>
3586	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3587	>	long timeoutMillis = timeoutMillis();
3588	>	// Use an "unreasonably long" long timeout to catch lingering threads
3589	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3590	>	final Executor delayer, longDelayer;
3591	>	if (executor == null) {
3592	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3593	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3594	>	} else {
3595	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3596	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3597	>	}
3598	>	long startTime = System.nanoTime();
3599	>	CompletableFuture<Integer> f =
3600	>	CompletableFuture.supplyAsync(() -> v, delayer);
3601	>	CompletableFuture<Integer> g =
3602	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3603
3604	<	f = new CompletableFuture<>();
3443	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3444	<	assertFalse(r.ran);
3445	<	f.completeExceptionally(new CFException());
3446	<	checkCompletedWithWrappedCFException(f);
3447	<	checkCompletedNormally(g, three);
3448	<	assertTrue(r.ran);
3604	>	assertNull(g.getNow(null));
3605
3606	<	f = new CompletableFuture<>();
3607	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3608	<	assertFalse(r.ran);
3609	<	f.complete(one);
3454	<	checkCompletedNormally(f, one);
3455	<	checkCompletedNormally(g, two);
3456	<	assertTrue(r.ran);
3606	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3607	>	long millisElapsed = millisElapsedSince(startTime);
3608	>	assertTrue(millisElapsed >= timeoutMillis);
3609	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3610
3611	<	f = new CompletableFuture<>();
3612	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3613	<	assertFalse(r.ran);
3614	<	f.complete(one);
3462	<	checkCompletedNormally(f, one);
3463	<	checkCompletedNormally(g, two);
3464	<	assertTrue(r.ran);
3611	>	checkCompletedNormally(f, v);
3612	>
3613	>	checkIncomplete(g);
3614	>	assertTrue(g.cancel(true));
3615		}
3616
3617	+	//--- tests of implementation details; not part of official tck ---
3618	+
3619	+	Object resultOf(CompletableFuture<?> f) {
3620	+	try {
3621	+	java.lang.reflect.Field resultField
3622	+	= CompletableFuture.class.getDeclaredField("result");
3623	+	resultField.setAccessible(true);
3624	+	return resultField.get(f);
3625	+	} catch (Throwable t) { throw new AssertionError(t); }
3626	+	}
3627	+
3628	+	public void testExceptionPropagationReusesResultObject() {
3629	+	if (!testImplementationDetails) return;
3630	+	for (ExecutionMode m : ExecutionMode.values())
3631	+	{
3632	+	final CFException ex = new CFException();
3633	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3634	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3635	+
3636	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3637	+	= new ArrayList<>();
3638	+
3639	+	funs.add((y) -> m.thenRun(y, new Noop(m)));
3640	+	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3641	+	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3642	+
3643	+	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3644	+	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3645	+	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3646	+
3647	+	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3648	+	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3649	+	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3650	+
3651	+	funs.add((y) -> m.whenComplete(y, (Integer x, Throwable t) -> {}));
3652	+
3653	+	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3654	+
3655	+	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3656	+	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3657	+
3658	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3659	+	fun : funs) {
3660	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3661	+	f.completeExceptionally(ex);
3662	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3663	+	checkCompletedWithWrappedException(src, ex);
3664	+	CompletableFuture<?> dep = fun.apply(src);
3665	+	checkCompletedWithWrappedException(dep, ex);
3666	+	assertSame(resultOf(src), resultOf(dep));
3667	+	}
3668	+
3669	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3670	+	fun : funs) {
3671	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3672	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3673	+	CompletableFuture<?> dep = fun.apply(src);
3674	+	f.completeExceptionally(ex);
3675	+	checkCompletedWithWrappedException(src, ex);
3676	+	checkCompletedWithWrappedException(dep, ex);
3677	+	assertSame(resultOf(src), resultOf(dep));
3678	+	}
3679	+
3680	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3681	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3682	+	fun : funs) {
3683	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3684	+	f.cancel(mayInterruptIfRunning);
3685	+	checkCancelled(f);
3686	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3687	+	checkCompletedWithWrappedCancellationException(src);
3688	+	CompletableFuture<?> dep = fun.apply(src);
3689	+	checkCompletedWithWrappedCancellationException(dep);
3690	+	assertSame(resultOf(src), resultOf(dep));
3691	+	}
3692	+
3693	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3694	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3695	+	fun : funs) {
3696	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3697	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3698	+	CompletableFuture<?> dep = fun.apply(src);
3699	+	f.cancel(mayInterruptIfRunning);
3700	+	checkCancelled(f);
3701	+	checkCompletedWithWrappedCancellationException(src);
3702	+	checkCompletedWithWrappedCancellationException(dep);
3703	+	assertSame(resultOf(src), resultOf(dep));
3704	+	}
3705	+	}}
3706	+
3707	+	/**
3708	+	* Minimal completion stages throw UOE for all non-CompletionStage methods
3709	+	*/
3710	+	public void testMinimalCompletionStage_minimality() {
3711	+	if (!testImplementationDetails) return;
3712	+	Function<Method, String> toSignature =
3713	+	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3714	+	Predicate<Method> isNotStatic =
3715	+	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3716	+	List<Method> minimalMethods =
3717	+	Stream.of(Object.class, CompletionStage.class)
3718	+	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3719	+	.filter(isNotStatic)
3720	+	.collect(Collectors.toList());
3721	+	// Methods from CompletableFuture permitted NOT to throw UOE
3722	+	String[] signatureWhitelist = {
3723	+	"newIncompleteFuture[]",
3724	+	"defaultExecutor[]",
3725	+	"minimalCompletionStage[]",
3726	+	"copy[]",
3727	+	};
3728	+	Set<String> permittedMethodSignatures =
3729	+	Stream.concat(minimalMethods.stream().map(toSignature),
3730	+	Stream.of(signatureWhitelist))
3731	+	.collect(Collectors.toSet());
3732	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3733	+	.filter(isNotStatic)
3734	+	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3735	+	.collect(Collectors.toList());
3736	+
3737	+	CompletionStage<Integer> minimalStage =
3738	+	new CompletableFuture<Integer>().minimalCompletionStage();
3739	+
3740	+	List<Method> bugs = new ArrayList<>();
3741	+	for (Method method : allMethods) {
3742	+	Class<?>[] parameterTypes = method.getParameterTypes();
3743	+	Object[] args = new Object[parameterTypes.length];
3744	+	// Manufacture boxed primitives for primitive params
3745	+	for (int i = 0; i < args.length; i++) {
3746	+	Class<?> type = parameterTypes[i];
3747	+	if (parameterTypes[i] == boolean.class)
3748	+	args[i] = false;
3749	+	else if (parameterTypes[i] == int.class)
3750	+	args[i] = 0;
3751	+	else if (parameterTypes[i] == long.class)
3752	+	args[i] = 0L;
3753	+	}
3754	+	try {
3755	+	method.invoke(minimalStage, args);
3756	+	bugs.add(method);
3757	+	}
3758	+	catch (java.lang.reflect.InvocationTargetException expected) {
3759	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3760	+	bugs.add(method);
3761	+	// expected.getCause().printStackTrace();
3762	+	}
3763	+	}
3764	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3765	+	}
3766	+	if (!bugs.isEmpty())
3767	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3768	+	}
3769	+
3770	+	static class Monad {
3771	+	static class ZeroException extends RuntimeException {
3772	+	public ZeroException() { super("monadic zero"); }
3773	+	}
3774	+	// "return", "unit"
3775	+	static <T> CompletableFuture<T> unit(T value) {
3776	+	return completedFuture(value);
3777	+	}
3778	+	// monadic zero ?
3779	+	static <T> CompletableFuture<T> zero() {
3780	+	return failedFuture(new ZeroException());
3781	+	}
3782	+	// >=>
3783	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3784	+	(Function<T, CompletableFuture<U>> f,
3785	+	Function<U, CompletableFuture<V>> g) {
3786	+	return (x) -> f.apply(x).thenCompose(g);
3787	+	}
3788	+
3789	+	static void assertZero(CompletableFuture<?> f) {
3790	+	try {
3791	+	f.getNow(null);
3792	+	throw new AssertionFailedError("should throw");
3793	+	} catch (CompletionException success) {
3794	+	assertTrue(success.getCause() instanceof ZeroException);
3795	+	}
3796	+	}
3797	+
3798	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
3799	+	CompletableFuture<T> g) {
3800	+	T fval = null, gval = null;
3801	+	Throwable fex = null, gex = null;
3802	+
3803	+	try { fval = f.get(); }
3804	+	catch (ExecutionException ex) { fex = ex.getCause(); }
3805	+	catch (Throwable ex) { fex = ex; }
3806	+
3807	+	try { gval = g.get(); }
3808	+	catch (ExecutionException ex) { gex = ex.getCause(); }
3809	+	catch (Throwable ex) { gex = ex; }
3810	+
3811	+	if (fex != null || gex != null)
3812	+	assertSame(fex.getClass(), gex.getClass());
3813	+	else
3814	+	assertEquals(fval, gval);
3815	+	}
3816	+
3817	+	static class PlusFuture<T> extends CompletableFuture<T> {
3818	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3819	+	}
3820	+
3821	+	// Monadic "plus"
3822	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3823	+	CompletableFuture<? extends T> g) {
3824	+	PlusFuture<T> plus = new PlusFuture<T>();
3825	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3826	+	if (ex == null) {
3827	+	if (plus.complete(result))
3828	+	if (plus.firstFailure.get() != null)
3829	+	plus.firstFailure.set(null);
3830	+	}
3831	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
3832	+	if (plus.isDone())
3833	+	plus.firstFailure.set(null);
3834	+	}
3835	+	else {
3836	+	// first failure has precedence
3837	+	Throwable first = plus.firstFailure.getAndSet(null);
3838	+
3839	+	// may fail with "Self-suppression not permitted"
3840	+	try { first.addSuppressed(ex); }
3841	+	catch (Exception ignored) {}
3842	+
3843	+	plus.completeExceptionally(first);
3844	+	}
3845	+	};
3846	+	f.whenComplete(action);
3847	+	g.whenComplete(action);
3848	+	return plus;
3849	+	}
3850	+	}
3851	+
3852	+	/**
3853	+	* CompletableFuture is an additive monad - sort of.
3854	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3855	+	*/
3856	+	public void testAdditiveMonad() throws Throwable {
3857	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3858	+	CompletableFuture<Long> zero = Monad.zero();
3859	+
3860	+	// Some mutually non-commutative functions
3861	+	Function<Long, CompletableFuture<Long>> triple
3862	+	= (x) -> Monad.unit(3 * x);
3863	+	Function<Long, CompletableFuture<Long>> inc
3864	+	= (x) -> Monad.unit(x + 1);
3865	+
3866	+	// unit is a right identity: m >>= unit === m
3867	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3868	+	inc.apply(5L));
3869	+	// unit is a left identity: (unit x) >>= f === f x
3870	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3871	+	inc.apply(5L));
3872	+
3873	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3874	+	Monad.assertFutureEquals(
3875	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3876	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3877	+
3878	+	// The case for CompletableFuture as an additive monad is weaker...
3879	+
3880	+	// zero is a monadic zero
3881	+	Monad.assertZero(zero);
3882	+
3883	+	// left zero: zero >>= f === zero
3884	+	Monad.assertZero(zero.thenCompose(inc));
3885	+	// right zero: f >>= (\x -> zero) === zero
3886	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3887	+
3888	+	// f plus zero === f
3889	+	Monad.assertFutureEquals(Monad.unit(5L),
3890	+	Monad.plus(Monad.unit(5L), zero));
3891	+	// zero plus f === f
3892	+	Monad.assertFutureEquals(Monad.unit(5L),
3893	+	Monad.plus(zero, Monad.unit(5L)));
3894	+	// zero plus zero === zero
3895	+	Monad.assertZero(Monad.plus(zero, zero));
3896	+	{
3897	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3898	+	Monad.unit(8L));
3899	+	// non-determinism
3900	+	assertTrue(f.get() == 5L || f.get() == 8L);
3901	+	}
3902	+
3903	+	CompletableFuture<Long> godot = new CompletableFuture<>();
3904	+	// f plus godot === f (doesn't wait for godot)
3905	+	Monad.assertFutureEquals(Monad.unit(5L),
3906	+	Monad.plus(Monad.unit(5L), godot));
3907	+	// godot plus f === f (doesn't wait for godot)
3908	+	Monad.assertFutureEquals(Monad.unit(5L),
3909	+	Monad.plus(godot, Monad.unit(5L)));
3910	+	}
3911	+
3912	+	//     static <U> U join(CompletionStage<U> stage) {
3913	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3914	+	//         stage.whenComplete((v, ex) -> {
3915	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3916	+	//         });
3917	+	//         return f.join();
3918	+	//     }
3919	+
3920	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
3921	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3922	+	//         stage.whenComplete((v, ex) -> {
3923	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3924	+	//         });
3925	+	//         return f.isDone();
3926	+	//     }
3927	+
3928	+	//     static <U> U join2(CompletionStage<U> stage) {
3929	+	//         return stage.toCompletableFuture().copy().join();
3930	+	//     }
3931	+
3932	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3933	+	//         return stage.toCompletableFuture().copy().isDone();
3934	+	//     }
3935	+
3936		}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines